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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2022 The OpenLDAP Foundation.
* Portions Copyright 1999 Dmitry Kovalev.
* Portions Copyright 2002 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 Dmitry Kovalev for inclusion
* by OpenLDAP Software. Additional significant contributors include
* Pierangelo Masarati.
*/
#include "portable.h"
#include <stdio.h>
#include <sys/types.h>
#include "slap.h"
#include "proto-sql.h"
int
backsql_compare( Operation *op, SlapReply *rs )
{
SQLHDBC dbh = SQL_NULL_HDBC;
Entry e = { 0 };
Attribute *a = NULL;
backsql_srch_info bsi = { 0 };
int rc;
int manageDSAit = get_manageDSAit( op );
AttributeName anlist[2];
Debug( LDAP_DEBUG_TRACE, "==>backsql_compare()\n" );
rs->sr_err = backsql_get_db_conn( op, &dbh );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
"could not get connection handle - exiting\n" );
rs->sr_text = ( rs->sr_err == LDAP_OTHER )
? "SQL-backend error" : NULL;
goto return_results;
}
anlist[ 0 ].an_name = op->oq_compare.rs_ava->aa_desc->ad_cname;
anlist[ 0 ].an_desc = op->oq_compare.rs_ava->aa_desc;
BER_BVZERO( &anlist[ 1 ].an_name );
/*
* Get the entry
*/
bsi.bsi_e = &e;
rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
(time_t)(-1), NULL, dbh, op, rs, anlist,
( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
switch ( rc ) {
case LDAP_SUCCESS:
break;
case LDAP_REFERRAL:
if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
{
rs->sr_err = LDAP_SUCCESS;
rs->sr_text = NULL;
rs->sr_matched = NULL;
if ( rs->sr_ref ) {
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
}
break;
}
/* fallthru */
default:
Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
"could not retrieve compareDN ID - no such entry\n" );
goto return_results;
}
if ( get_assert( op ) &&
( test_filter( op, &e, get_assertion( op ) )
!= LDAP_COMPARE_TRUE ) )
{
rs->sr_err = LDAP_ASSERTION_FAILED;
goto return_results;
}
if ( is_at_operational( op->oq_compare.rs_ava->aa_desc->ad_type ) ) {
SlapReply nrs = { REP_SEARCH };
Attribute **ap;
for ( ap = &e.e_attrs; *ap; ap = &(*ap)->a_next )
;
nrs.sr_attrs = anlist;
nrs.sr_entry = &e;
nrs.sr_attr_flags = SLAP_OPATTRS_NO;
nrs.sr_operational_attrs = NULL;
rs->sr_err = backsql_operational( op, &nrs );
if ( rs->sr_err != LDAP_SUCCESS ) {
goto return_results;
}
*ap = nrs.sr_operational_attrs;
}
if ( ! access_allowed( op, &e, op->oq_compare.rs_ava->aa_desc,
&op->oq_compare.rs_ava->aa_value,
ACL_COMPARE, NULL ) )
{
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:;
switch ( rs->sr_err ) {
case LDAP_COMPARE_TRUE:
case LDAP_COMPARE_FALSE:
break;
default:
if ( !BER_BVISNULL( &e.e_nname ) &&
! access_allowed( op, &e,
slap_schema.si_ad_entry, NULL,
ACL_DISCLOSE, NULL ) )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
rs->sr_text = NULL;
}
break;
}
send_ldap_result( op, rs );
if ( rs->sr_matched ) {
rs->sr_matched = NULL;
}
if ( rs->sr_ref ) {
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
}
if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
}
if ( !BER_BVISNULL( &e.e_nname ) ) {
backsql_entry_clean( op, &e );
}
if ( bsi.bsi_attrs != NULL ) {
op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
}
Debug(LDAP_DEBUG_TRACE,"<==backsql_compare()\n" );
switch ( rs->sr_err ) {
case LDAP_COMPARE_TRUE:
case LDAP_COMPARE_FALSE:
return LDAP_SUCCESS;
default:
return rs->sr_err;
}
}
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