inet: Added support functions for setting and clearing IPv6 gateway address.

2 files changed, 94 insertions, 0 deletions

diff --git a/include/inet.h b/include/inet.h
index 19f4455d..1aa23ea9 100644
--- a/include/inet.h
+++ b/include/inet.h
@@ -69,6 +69,8 @@ int connman_inet_del_ipv6_network_route(int index, const char *host,
 int connman_inet_del_ipv6_host_route(int index, const char *host);
 int connman_inet_set_ipv6_gateway_address(int index, const char *gateway);
 int connman_inet_clear_ipv6_gateway_address(int index, const char *gateway);
+int connman_inet_set_ipv6_gateway_interface(int index);
+int connman_inet_clear_ipv6_gateway_interface(int index);
 
 int connman_inet_add_to_bridge(int index, const char *bridge);
 int connman_inet_remove_from_bridge(int index, const char *bridge);
diff --git a/src/inet.c b/src/inet.c
index 05ead31c..d8986508 100644
--- a/src/inet.c
+++ b/src/inet.c
@@ -1014,6 +1014,52 @@ int connman_inet_set_gateway_interface(int index)
 	return err;
 }
 
+int connman_inet_set_ipv6_gateway_interface(int index)
+{
+	struct ifreq ifr;
+	struct rtentry rt;
+	struct sockaddr_in6 addr;
+	const struct in6_addr any = IN6ADDR_ANY_INIT;
+	int sk, err;
+
+	DBG("");
+
+	sk = socket(PF_INET6, SOCK_DGRAM, 0);
+	if (sk < 0)
+		return -1;
+
+	memset(&ifr, 0, sizeof(ifr));
+	ifr.ifr_ifindex = index;
+
+	if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+		close(sk);
+		return -1;
+	}
+
+	DBG("ifname %s", ifr.ifr_name);
+
+	memset(&rt, 0, sizeof(rt));
+	rt.rt_flags = RTF_UP;
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sin6_family = AF_INET6;
+	addr.sin6_addr = any;
+
+	memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
+	memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
+	memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
+
+	rt.rt_dev = ifr.ifr_name;
+
+	err = ioctl(sk, SIOCADDRT, &rt);
+	if (err < 0)
+		connman_error("Setting default interface route failed (%s)",
+							strerror(errno));
+	close(sk);
+
+	return err;
+}
+
 int connman_inet_clear_gateway_address(int index, const char *gateway)
 {
 	struct ifreq ifr;
@@ -1110,6 +1156,52 @@ int connman_inet_clear_gateway_interface(int index)
 	return err;
 }
 
+int connman_inet_clear_ipv6_gateway_interface(int index)
+{
+	struct ifreq ifr;
+	struct rtentry rt;
+	struct sockaddr_in6 addr;
+	const struct in6_addr any = IN6ADDR_ANY_INIT;
+	int sk, err;
+
+	DBG("");
+
+	sk = socket(PF_INET6, SOCK_DGRAM, 0);
+	if (sk < 0)
+		return -1;
+
+	memset(&ifr, 0, sizeof(ifr));
+	ifr.ifr_ifindex = index;
+
+	if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+		close(sk);
+		return -1;
+	}
+
+	DBG("ifname %s", ifr.ifr_name);
+
+	memset(&rt, 0, sizeof(rt));
+	rt.rt_flags = RTF_UP;
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sin6_family = AF_INET6;
+	addr.sin6_addr = any;
+
+	memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
+	memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
+	memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
+
+	rt.rt_dev = ifr.ifr_name;
+
+	err = ioctl(sk, SIOCDELRT, &rt);
+	if (err < 0)
+		connman_error("Removing default interface route failed (%s)",
+							strerror(errno));
+	close(sk);
+
+	return err;
+}
+
 connman_bool_t connman_inet_compare_subnet(int index, const char *host)
 {
 	struct ifreq ifr;