openldap/servers/slapd/back-sql/compare.c

177 lines
4.4 KiB
C

/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2005 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 = NULL, user_entry;
Attribute *a = NULL;
backsql_srch_info bsi;
int rc;
AttributeName anlist[2],
*anlistp = NULL;
BER_BVZERO( &user_entry.e_name );
BER_BVZERO( &user_entry.e_nname );
user_entry.e_attrs = NULL;
Debug( LDAP_DEBUG_TRACE, "==>backsql_compare()\n", 0, 0, 0 );
rs->sr_err = backsql_get_db_conn( op, &dbh );
if (!dbh) {
Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
"could not get connection handle - exiting\n",
0, 0, 0 );
rs->sr_text = ( rs->sr_err == LDAP_OTHER )
? "SQL-backend error" : NULL;
goto return_results;
}
memset( &anlist[0], 0, 2 * sizeof( AttributeName ) );
anlist[0].an_name = op->oq_compare.rs_ava->aa_desc->ad_cname;
anlist[0].an_desc = op->oq_compare.rs_ava->aa_desc;
/*
* Try to get attr as dynamic operational
*/
if ( !is_at_operational( op->oq_compare.rs_ava->aa_desc->ad_type ) ) {
anlistp = anlist;
}
rc = backsql_init_search( &bsi, &op->o_req_ndn,
LDAP_SCOPE_BASE,
SLAP_NO_LIMIT, SLAP_NO_LIMIT,
(time_t)(-1), NULL, dbh, op, rs, anlistp,
BACKSQL_ISF_GET_ID );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
"could not retrieve compareDN ID - no such entry\n",
0, 0, 0 );
rs->sr_err = LDAP_NO_SUCH_OBJECT;
goto return_results;
} else {
Entry e = { 0 };
e.e_name = bsi.bsi_base_id.eid_dn;
e.e_nname = bsi.bsi_base_id.eid_ndn;
/* FIXME: need the whole entry (ITS#3480) */
if ( ! access_allowed( op, &e, slap_schema.si_ad_entry, NULL,
ACL_DISCLOSE, NULL ) ) {
rs->sr_err = LDAP_NO_SUCH_OBJECT;
goto return_results;
}
}
if ( is_at_operational( op->oq_compare.rs_ava->aa_desc->ad_type ) ) {
SlapReply nrs = { 0 };
user_entry.e_attrs = NULL;
user_entry.e_name = bsi.bsi_base_id.eid_dn;
user_entry.e_nname = bsi.bsi_base_id.eid_ndn;
nrs.sr_attrs = anlist;
nrs.sr_entry = &user_entry;
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;
}
user_entry.e_attrs = nrs.sr_operational_attrs;
} else {
bsi.bsi_e = &user_entry;
rc = backsql_id2entry( &bsi, &bsi.bsi_base_id );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
"error %d in backsql_id2entry() "
"- compare failed\n", rc, 0, 0 );
rs->sr_err = rc;
goto return_results;
}
}
e = &user_entry;
/* FIXME: need the whole entry (ITS#3480) */
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 ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
a->a_nvals,
&op->oq_compare.rs_ava->aa_value,
op->o_tmpmemctx ) == 0 )
{
rs->sr_err = LDAP_COMPARE_TRUE;
break;
}
}
return_results:;
send_ldap_result( op, rs );
if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
(void)backsql_free_entryID( &bsi.bsi_base_id, 0 );
}
if ( e != NULL ) {
entry_clean( e );
}
Debug(LDAP_DEBUG_TRACE,"<==backsql_compare()\n",0,0,0);
switch ( rs->sr_err ) {
case LDAP_COMPARE_TRUE:
case LDAP_COMPARE_FALSE:
return 0;
default:
return 1;
}
}