openldap/servers/slapd/back-ldap/compare.c
2005-01-24 09:38:11 +00:00

75 lines
1.8 KiB
C

/* compare.c - ldap backend compare function */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2003-2005 The OpenLDAP Foundation.
* Portions Copyright 1999-2003 Howard Chu.
* Portions Copyright 2000-2003 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 the 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 the Howard Chu for inclusion
* in OpenLDAP Software and subsequently enhanced by Pierangelo
* Masarati.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-ldap.h"
int
ldap_back_compare(
Operation *op,
SlapReply *rs )
{
struct ldapconn *lc;
ber_int_t msgid;
int do_retry = 1;
LDAPControl **ctrls = NULL;
int rc = LDAP_SUCCESS;
lc = ldap_back_getconn( op, rs, LDAP_BACK_SENDERR );
if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
goto cleanup;
}
ctrls = op->o_ctrls;
rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
retry:
rs->sr_err = ldap_compare_ext( lc->lc_ld, op->o_req_ndn.bv_val,
op->orc_ava->aa_desc->ad_cname.bv_val,
&op->orc_ava->aa_value,
ctrls, NULL, &msgid );
rc = ldap_back_op_result( lc, op, rs, msgid, LDAP_BACK_SENDRESULT );
if ( rc == LDAP_UNAVAILABLE && do_retry ) {
do_retry = 0;
if ( ldap_back_retry( lc, op, rs, LDAP_BACK_SENDERR ) ) {
goto retry;
}
}
cleanup:
(void)ldap_back_proxy_authz_ctrl_free( op, &ctrls );
return rs->sr_err;
}