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+/* OpenLDAP WiredTiger backend */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2002-2022 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>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was developed by HAMANO Tsukasa <hamano@osstech.co.jp>
+ * based on back-bdb for inclusion in OpenLDAP Software.
+ * WiredTiger is a product of MongoDB Inc.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <ac/string.h>
+
+#include "back-wt.h"
+#include "slap-config.h"
+
+int
+wt_hasSubordinates(
+ Operation *op,
+ Entry *e,
+ int *hasSubordinates )
+{
+ struct wt_info *wi = (struct wt_info *) op->o_bd->be_private;
+ wt_ctx *wc = NULL;
+ int rc;
+
+ assert( e != NULL );
+
+ wc = wt_ctx_get(op, wi);
+ if( !wc ){
+ Debug( LDAP_DEBUG_ANY,
+ "wt_hasSubordinates: wt_ctx_get failed\n" );
+ return LDAP_OTHER;
+ }
+
+ rc = wt_dn2id_has_children(op, wc, e->e_id);
+ switch(rc){
+ case 0:
+ *hasSubordinates = LDAP_COMPARE_TRUE;
+ break;
+ case WT_NOTFOUND:
+ *hasSubordinates = LDAP_COMPARE_FALSE;
+ rc = LDAP_SUCCESS;
+ break;
+ default:
+ Debug(LDAP_DEBUG_ANY,
+ "<=- wt_hasSubordinates: has_children failed: %s (%d)\n",
+ wiredtiger_strerror(rc), rc );
+ rc = LDAP_OTHER;
+ }
+ return rc;
+}
+
+/*
+ * sets the supported operational attributes (if required)
+ */
+int
+wt_operational(
+ Operation *op,
+ SlapReply *rs )
+{
+ Attribute **ap;
+
+ assert( rs->sr_entry != NULL );
+
+ for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next ) {
+ if ( (*ap)->a_desc == slap_schema.si_ad_hasSubordinates ) {
+ break;
+ }
+ }
+
+ if ( *ap == NULL &&
+ attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_hasSubordinates ) == NULL &&
+ ( SLAP_OPATTRS( rs->sr_attr_flags ) ||
+ ad_inlist( slap_schema.si_ad_hasSubordinates, rs->sr_attrs ) ) )
+ {
+ int hasSubordinates, rc;
+
+ rc = wt_hasSubordinates( op, rs->sr_entry, &hasSubordinates );
+ if ( rc == LDAP_SUCCESS ) {
+ *ap = slap_operational_hasSubordinate( hasSubordinates == LDAP_COMPARE_TRUE );
+ assert( *ap != NULL );
+
+ ap = &(*ap)->a_next;
+ }
+ }
+
+ return LDAP_SUCCESS;
+}
+
+/*
+ * Local variables:
+ * indent-tabs-mode: t
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ */