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https://git.openldap.org/openldap/openldap.git
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162 lines
3.9 KiB
C
162 lines
3.9 KiB
C
/* referral.c - BDB backend referral handler */
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/* $OpenLDAP$ */
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/*
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* Copyright 2000-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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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 "back-bdb.h"
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#include "external.h"
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int
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bdb_referrals( Operation *op, SlapReply *rs )
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{
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struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
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Entry *e = NULL;
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EntryInfo *ei;
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int rc = LDAP_SUCCESS;
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u_int32_t locker;
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DB_LOCK lock;
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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 rc;
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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 rc;
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}
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rc = LOCK_ID(bdb->bi_dbenv, &locker);
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switch(rc) {
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case 0:
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break;
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default:
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return LDAP_OTHER;
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}
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dn2entry_retry:
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/* get entry */
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rc = bdb_dn2entry( op->o_bd, NULL, &op->o_req_ndn, &ei, 1, locker,
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&lock, op->o_tmpmemctx );
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e = ei->bei_e;
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switch(rc) {
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case DB_NOTFOUND:
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case 0:
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break;
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case LDAP_BUSY:
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send_ldap_error( op, rs, LDAP_BUSY, "ldap server busy" );
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LOCK_ID_FREE ( bdb->bi_dbenv, locker );
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return LDAP_BUSY;
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto dn2entry_retry;
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default:
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_referrals: dn2entry failed: %s (%d)\n",
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db_strerror(rc), rc, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"bdb_referrals: dn2entry failed: %s (%d)\n",
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db_strerror(rc), rc, 0 );
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#endif
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send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
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LOCK_ID_FREE ( bdb->bi_dbenv, locker );
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return rs->sr_err;
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}
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if ( rc == DB_NOTFOUND ) {
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rc = 0;
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rs->sr_matched = NULL;
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if ( e != NULL ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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(long) op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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(long) op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
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#endif
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if( is_entry_referral( e ) ) {
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rc = LDAP_OTHER;
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rs->sr_ref = get_entry_referrals( op, e );
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if ( rs->sr_ref ) {
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rs->sr_matched = ber_strdup_x(
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e->e_name.bv_val, op->o_tmpmemctx );
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}
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}
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bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
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e = NULL;
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} else if ( default_referral != NULL ) {
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rc = 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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if( rs->sr_ref != NULL ) {
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/* send referrals */
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rs->sr_err = LDAP_REFERRAL;
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send_ldap_result( op, rs );
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ber_bvarray_free( rs->sr_ref );
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rs->sr_ref = NULL;
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} else if ( rc != LDAP_SUCCESS ) {
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rs->sr_err = rc;
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rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
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send_ldap_result( op, rs );
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}
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LOCK_ID_FREE ( bdb->bi_dbenv, locker );
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if (rs->sr_matched) {
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sl_free( (char *)rs->sr_matched, op->o_tmpmemctx );
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rs->sr_matched = NULL;
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}
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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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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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(long) op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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(long) op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
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#endif
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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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rs->sr_err = LDAP_REFERRAL;
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send_ldap_result( op, rs );
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ber_bvarray_free( rs->sr_ref );
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rs->sr_ref = NULL;
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} else {
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send_ldap_error( op, rs, LDAP_OTHER, "bad referral object" );
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rc = rs->sr_err;
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}
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rs->sr_matched = NULL;
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ber_bvarray_free( refs );
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}
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bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
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LOCK_ID_FREE ( bdb->bi_dbenv, locker );
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return rc;
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}
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