openldap/servers/slapd/back-monitor/compare.c
2008-01-08 00:19:56 +00:00

113 lines
2.6 KiB
C

/* compare.c - monitor backend compare routine */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2001-2008 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* 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 file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Pierangelo Masarati for inclusion
* in OpenLDAP Software.
*/
#include "portable.h"
#include <stdio.h>
#include <slap.h>
#include "back-monitor.h"
int
monitor_back_compare( Operation *op, SlapReply *rs )
{
monitor_info_t *mi = ( monitor_info_t * ) op->o_bd->be_private;
Entry *e, *matched = NULL;
Attribute *a;
int rc;
/* get entry with reader lock */
monitor_cache_dn2entry( op, rs, &op->o_req_ndn, &e, &matched );
if ( e == NULL ) {
rs->sr_err = LDAP_NO_SUCH_OBJECT;
if ( matched ) {
if ( !access_allowed_mask( op, matched,
slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL, NULL ) )
{
/* do nothing */ ;
} else {
rs->sr_matched = matched->e_dn;
}
}
send_ldap_result( op, rs );
if ( matched ) {
monitor_cache_release( mi, matched );
rs->sr_matched = NULL;
}
return rs->sr_err;
}
rs->sr_err = access_allowed( op, e, op->oq_compare.rs_ava->aa_desc,
&op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL );
if ( !rs->sr_err ) {
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
goto return_results;
}
rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
for ( a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
a != NULL;
a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc )) {
rs->sr_err = LDAP_COMPARE_FALSE;
if ( attr_valfind( a,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
&op->oq_compare.rs_ava->aa_value, NULL,
op->o_tmpmemctx ) == 0 )
{
rs->sr_err = LDAP_COMPARE_TRUE;
break;
}
}
return_results:;
rc = rs->sr_err;
switch ( rc ) {
case LDAP_COMPARE_FALSE:
case LDAP_COMPARE_TRUE:
rc = LDAP_SUCCESS;
break;
case LDAP_NO_SUCH_ATTRIBUTE:
break;
default:
if ( !access_allowed_mask( op, e, slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL, NULL ) )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
}
break;
}
send_ldap_result( op, rs );
rs->sr_err = rc;
monitor_cache_release( mi, e );
return rs->sr_err;
}