1 files changed, 88 insertions, 0 deletions
diff --git a/bin/named/lwaddr.c b/bin/named/lwaddr.c
new file mode 100644
index 0000000..9a58ee4
--- /dev/null
+++ b/bin/named/lwaddr.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/* $Id: lwaddr.c,v 1.10 2008/01/11 23:46:56 tbox Exp $ */
+
+/*! \file */
+
+#include <config.h>
+
+#include <string.h>
+
+#include <isc/result.h>
+#include <isc/netaddr.h>
+#include <isc/sockaddr.h>
+
+#include <lwres/lwres.h>
+
+#include <named/lwaddr.h>
+
+/*%
+ * Convert addresses from lwres to isc format.
+ */
+isc_result_t
+lwaddr_netaddr_fromlwresaddr(isc_netaddr_t *na, lwres_addr_t *la) {
+	if (la->family != LWRES_ADDRTYPE_V4 && la->family != LWRES_ADDRTYPE_V6)
+		return (ISC_R_FAMILYNOSUPPORT);
+
+	if (la->family == LWRES_ADDRTYPE_V4) {
+		struct in_addr ina;
+		memmove(&ina.s_addr, la->address, 4);
+		isc_netaddr_fromin(na, &ina);
+	} else {
+		struct in6_addr ina6;
+		memmove(&ina6.s6_addr, la->address, 16);
+		isc_netaddr_fromin6(na, &ina6);
+	}
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+lwaddr_sockaddr_fromlwresaddr(isc_sockaddr_t *sa, lwres_addr_t *la,
+			      in_port_t port)
+{
+	isc_netaddr_t na;
+	isc_result_t result;
+
+	result = lwaddr_netaddr_fromlwresaddr(&na, la);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	isc_sockaddr_fromnetaddr(sa, &na, port);
+	return (ISC_R_SUCCESS);
+}
+
+/*%
+ * Convert addresses from isc to lwres format.
+ */
+
+isc_result_t
+lwaddr_lwresaddr_fromnetaddr(lwres_addr_t *la, isc_netaddr_t *na) {
+	if (na->family != AF_INET && na->family != AF_INET6)
+		return (ISC_R_FAMILYNOSUPPORT);
+
+	if (na->family == AF_INET) {
+		la->family = LWRES_ADDRTYPE_V4;
+		la->length = 4;
+		memmove(la->address, &na->type.in, 4);
+	} else {
+		la->family = LWRES_ADDRTYPE_V6;
+		la->length = 16;
+		memmove(la->address, &na->type.in6, 16);
+	}
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+lwaddr_lwresaddr_fromsockaddr(lwres_addr_t *la, isc_sockaddr_t *sa) {
+	isc_netaddr_t na;
+	isc_netaddr_fromsockaddr(&na, sa);
+	return (lwaddr_lwresaddr_fromnetaddr(la, &na));
+}