mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
152 lines
3.5 KiB
C
152 lines
3.5 KiB
C
/* referral.c - MDB backend referral handler */
|
|
/* $OpenLDAP$ */
|
|
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
|
|
*
|
|
* Copyright 2000-2013 The OpenLDAP Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted only as authorized by the OpenLDAP
|
|
* Public License.
|
|
*
|
|
* A copy of this license is available in the file LICENSE in the
|
|
* top-level directory of the distribution or, alternatively, at
|
|
* <http://www.OpenLDAP.org/license.html>.
|
|
*/
|
|
|
|
#include "portable.h"
|
|
#include <stdio.h>
|
|
#include <ac/string.h>
|
|
|
|
#include "back-mdb.h"
|
|
|
|
int
|
|
mdb_referrals( Operation *op, SlapReply *rs )
|
|
{
|
|
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
|
|
Entry *e = NULL;
|
|
int rc = LDAP_SUCCESS;
|
|
|
|
MDB_txn *rtxn;
|
|
mdb_op_info opinfo = {0}, *moi = &opinfo;
|
|
|
|
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;
|
|
}
|
|
|
|
rc = mdb_opinfo_get(op, mdb, 1, &moi);
|
|
switch(rc) {
|
|
case 0:
|
|
break;
|
|
default:
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
rtxn = moi->moi_txn;
|
|
|
|
/* get entry */
|
|
rc = mdb_dn2entry( op, rtxn, &op->o_req_ndn, &e, 1 );
|
|
|
|
switch(rc) {
|
|
case MDB_NOTFOUND:
|
|
case 0:
|
|
break;
|
|
case LDAP_BUSY:
|
|
rs->sr_text = "ldap server busy";
|
|
goto done;
|
|
default:
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
LDAP_XSTRING(mdb_referrals)
|
|
": dn2entry failed: %s (%d)\n",
|
|
mdb_strerror(rc), rc, 0 );
|
|
rs->sr_text = "internal error";
|
|
rc = LDAP_OTHER;
|
|
goto done;
|
|
}
|
|
|
|
if ( rc == MDB_NOTFOUND ) {
|
|
rc = LDAP_SUCCESS;
|
|
rs->sr_matched = NULL;
|
|
if ( e != NULL ) {
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
LDAP_XSTRING(mdb_referrals)
|
|
": tag=%lu target=\"%s\" matched=\"%s\"\n",
|
|
(unsigned long)op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
|
|
|
|
if( is_entry_referral( e ) ) {
|
|
BerVarray ref = get_entry_referrals( op, e );
|
|
rc = LDAP_OTHER;
|
|
rs->sr_ref = referral_rewrite( ref, &e->e_name,
|
|
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
|
|
ber_bvarray_free( ref );
|
|
if ( rs->sr_ref ) {
|
|
rs->sr_matched = ber_strdup_x(
|
|
e->e_name.bv_val, op->o_tmpmemctx );
|
|
}
|
|
}
|
|
|
|
mdb_entry_return( op, e );
|
|
e = NULL;
|
|
}
|
|
|
|
if( rs->sr_ref != NULL ) {
|
|
/* send referrals */
|
|
rc = rs->sr_err = LDAP_REFERRAL;
|
|
send_ldap_result( op, rs );
|
|
ber_bvarray_free( rs->sr_ref );
|
|
rs->sr_ref = NULL;
|
|
} else if ( rc != LDAP_SUCCESS ) {
|
|
rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
|
|
}
|
|
|
|
if (rs->sr_matched) {
|
|
op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
|
|
rs->sr_matched = NULL;
|
|
}
|
|
goto done;
|
|
}
|
|
|
|
if ( is_entry_referral( e ) ) {
|
|
/* entry is a referral */
|
|
BerVarray refs = get_entry_referrals( op, e );
|
|
rs->sr_ref = referral_rewrite(
|
|
refs, &e->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
|
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
LDAP_XSTRING(mdb_referrals)
|
|
": tag=%lu target=\"%s\" matched=\"%s\"\n",
|
|
(unsigned long)op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
|
|
|
|
rs->sr_matched = e->e_name.bv_val;
|
|
if( rs->sr_ref != NULL ) {
|
|
rc = rs->sr_err = LDAP_REFERRAL;
|
|
send_ldap_result( op, rs );
|
|
ber_bvarray_free( rs->sr_ref );
|
|
rs->sr_ref = NULL;
|
|
} else {
|
|
rc = LDAP_OTHER;
|
|
rs->sr_text = "bad referral object";
|
|
}
|
|
|
|
rs->sr_matched = NULL;
|
|
ber_bvarray_free( refs );
|
|
}
|
|
|
|
done:
|
|
if ( moi == &opinfo ) {
|
|
mdb_txn_reset( moi->moi_txn );
|
|
LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
|
|
} else {
|
|
moi->moi_ref--;
|
|
}
|
|
if ( e )
|
|
mdb_entry_return( op, e );
|
|
return rc;
|
|
}
|