openldap/servers/slapd/back-bdb/referral.c
2000-09-28 02:27:49 +00:00

109 lines
2.2 KiB
C

/* referral.c - BDB backend referral handler */
/* $OpenLDAP$ */
/*
* Copyright 2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "back-bdb.h"
#include "external.h"
int
bdb_referrals(
BackendDB *be,
Connection *conn,
Operation *op,
const char *dn,
const char *ndn,
const char **text )
{
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
int rc = LDAP_SUCCESS;
Entry *e = NULL, *matched;
if( op->o_tag == LDAP_REQ_SEARCH ) {
/* let search take care of itself */
return rc;
}
if( get_manageDSAit( op ) ) {
/* let op take care of DSA management */
return rc;
}
/* get entry */
rc = bdb_dn2entry( be, NULL, ndn, &e, &matched, 0 );
switch(rc) {
case DB_NOTFOUND:
case 0:
break;
default:
Debug( LDAP_DEBUG_TRACE,
"bdb_referrals: dn2entry failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
send_ldap_result( conn, op, rc=LDAP_OTHER,
NULL, "internal error", NULL, NULL );
return rc;
}
if ( e == NULL ) {
char *matched_dn = NULL;
struct berval **refs = default_referral;
if ( matched != NULL ) {
matched_dn = ch_strdup( matched->e_dn );
Debug( LDAP_DEBUG_TRACE,
"bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
op->o_tag, dn, matched_dn );
refs = is_entry_referral( matched )
? get_entry_referrals( be, conn, op, matched )
: NULL;
bdb_entry_return( be, matched );
matched = NULL;
}
if( refs != NULL ) {
/* send referrals */
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
matched_dn, NULL, refs, NULL );
} else {
rc = LDAP_SUCCESS;
}
if( matched != NULL ) {
ber_bvecfree( refs );
free( matched_dn );
}
return rc;
}
if ( is_entry_referral( e ) ) {
/* entry is a referral */
struct berval **refs = get_entry_referrals( be,
conn, op, e );
Debug( LDAP_DEBUG_TRACE,
"bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
op->o_tag, dn, e->e_dn );
if( refs != NULL ) {
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
e->e_dn, NULL, refs, NULL );
}
ber_bvecfree( refs );
}
bdb_entry_return( be, e );
return rc;
}