1 files changed, 110 insertions, 0 deletions
diff --git a/servers/slapd/back-wt/operational.c b/servers/slapd/back-wt/operational.c
new file mode 100644
index 0000000..df9d0c6
--- /dev/null
+++ b/servers/slapd/back-wt/operational.c
@@ -0,0 +1,110 @@
+/* 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:
+ */