/* compare.c - ldbm backend compare routine */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 The OpenLDAP Foundation.
+ * 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>.
+ */
#include "portable.h"
int
ldbm_back_compare(
- Backend *be,
- Connection *conn,
- Operation *op,
- char *dn,
- Ava *ava
-)
+ Operation *op,
+ SlapReply *rs )
{
- struct ldbminfo *li = (struct ldbminfo *) be->be_private;
+ struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
Entry *matched;
Entry *e;
Attribute *a;
- int rc;
int manageDSAit = get_manageDSAit( op );
- /* get entry with reader lock */
- if ( (e = dn2entry_r( be, dn, &matched )) == NULL ) {
- char *matched_dn = NULL;
- struct berval **refs = NULL;
+ rs->sr_matched = NULL;
+ rs->sr_ref = NULL;
+
+ /* grab giant lock for reading */
+ ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
+ /* get entry with reader lock */
+ e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched );
+ if ( e == NULL ) {
if ( matched != NULL ) {
- matched_dn = ch_strdup( matched->e_dn );
- refs = is_entry_referral( matched )
- ? get_entry_referrals( be, conn, op, matched )
+ rs->sr_matched = ch_strdup( matched->e_dn );
+ rs->sr_ref = is_entry_referral( matched )
+ ? get_entry_referrals( op, matched )
: NULL;
cache_return_entry_r( &li->li_cache, matched );
} else {
- refs = default_referral;
- }
-
- send_ldap_result( conn, op, LDAP_REFERRAL,
- matched_dn, NULL, refs, NULL );
-
- if( matched != NULL ) {
- ber_bvecfree( refs );
- free( matched_dn );
+ rs->sr_ref = referral_rewrite( default_referral,
+ NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
}
- return( 1 );
+ rs->sr_err = LDAP_REFERRAL;
+ goto return_results;
}
- if (!manageDSAit && is_entry_referral( e ) ) {
+ if ( !manageDSAit && is_entry_referral( e ) ) {
+ struct berval bv;
+
/* entry is a referral, don't allow add */
- struct berval **refs = get_entry_referrals( be,
- conn, op, e );
+ rs->sr_ref = get_entry_referrals( op, e );
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
0, 0 );
- send_ldap_result( conn, op, LDAP_REFERRAL,
- e->e_dn, NULL, refs, NULL );
- ber_bvecfree( refs );
+ rs->sr_err = LDAP_REFERRAL;
+ ber_dupbv_x( &bv, &e->e_name, op->o_tmpmemctx );
+ rs->sr_matched = bv.bv_val;
- rc = 1;
goto return_results;
}
- if ( ! access_allowed( be, conn, op, e,
- ava->ava_type, &ava->ava_value, ACL_COMPARE ) )
+ if ( ! access_allowed( op, e,
+ op->oq_compare.rs_ava->aa_desc, &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL ) )
{
- send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
- NULL, NULL, NULL, NULL );
- rc = 1;
+ send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+ NULL );
goto return_results;
}
- if ( (a = attr_find( e->e_attrs, ava->ava_type )) == NULL ) {
- send_ldap_result( conn, op, LDAP_NO_SUCH_ATTRIBUTE,
- NULL, NULL, NULL, NULL );
- rc = 1;
- 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;
+ }
}
- if ( value_find( a->a_vals, &ava->ava_value, a->a_syntax, 1 ) == 0 )
- send_ldap_result( conn, op, LDAP_COMPARE_TRUE,
- NULL, NULL, NULL, NULL );
- else
- send_ldap_result( conn, op, LDAP_COMPARE_FALSE,
- NULL, NULL, NULL, NULL );
+return_results:;
+ if ( e ) cache_return_entry_r( &li->li_cache, e );
+ ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
- rc = 0;
+ send_ldap_result( op, rs );
-return_results:;
- cache_return_entry_r( &li->li_cache, e );
- return( rc );
+ switch ( rs->sr_err ) {
+ case LDAP_COMPARE_FALSE:
+ case LDAP_COMPARE_TRUE:
+ rs->sr_err = LDAP_SUCCESS;
+ break;
+ }
+
+ if ( rs->sr_ref != NULL ) {
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ }
+
+ if ( rs->sr_matched != NULL ) {
+ op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
+ rs->sr_matched = NULL;
+ }
+
+ return rs->sr_err;
}