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81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/* compare.c - ldap backend compare function */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 2003-2005 The OpenLDAP Foundation.
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* Portions Copyright 1999-2003 Howard Chu.
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* Portions Copyright 2000-2003 Pierangelo Masarati.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by the Howard Chu for inclusion
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* in OpenLDAP Software and subsequently enhanced by Pierangelo
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* Masarati.
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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 <ac/socket.h>
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#include "slap.h"
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#include "back-ldap.h"
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int
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ldap_back_compare(
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Operation *op,
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SlapReply *rs )
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{
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struct ldapconn *lc;
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ber_int_t msgid;
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int do_retry = 1;
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LDAPControl **ctrls = NULL;
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int rc = LDAP_SUCCESS;
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lc = ldap_back_getconn( op, rs );
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if (!lc || !ldap_back_dobind( lc, op, rs ) ) {
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rc = -1;
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goto cleanup;
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}
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ctrls = op->o_ctrls;
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#ifdef LDAP_BACK_PROXY_AUTHZ
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rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
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if ( rc != LDAP_SUCCESS ) {
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send_ldap_result( op, rs );
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rc = -1;
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goto cleanup;
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}
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#endif /* LDAP_BACK_PROXY_AUTHZ */
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retry:
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rs->sr_err = ldap_compare_ext( lc->lc_ld, op->o_req_ndn.bv_val,
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op->orc_ava->aa_desc->ad_cname.bv_val,
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&op->orc_ava->aa_value,
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ctrls, NULL, &msgid );
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rc = ldap_back_op_result( lc, op, rs, msgid, 1 );
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if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) {
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do_retry = 0;
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if ( ldap_back_retry(lc, op, rs ) ) {
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goto retry;
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}
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}
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cleanup:
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#ifdef LDAP_BACK_PROXY_AUTHZ
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(void)ldap_back_proxy_authz_ctrl_free( op, &ctrls );
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#endif /* LDAP_BACK_PROXY_AUTHZ */
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return rc;
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}
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