Add support for enabling/disabling gateway setting

diff --git a/plugins/ipv4.c b/plugins/ipv4.c
index 86ab9e1..b1c26d4 100644 (file)
--- a/plugins/ipv4.c
+++ b/plugins/ipv4.c
@@ -223,7 +223,54 @@ static int set_route(struct connman_element *element, const char *gateway)
 
        err = ioctl(sk, SIOCADDRT, &rt);
        if (err < 0)
-               DBG("default route failed (%s)", strerror(errno));
+               DBG("default route setting failed (%s)", strerror(errno));
+
+       close(sk);
+
+       return err;
+}
+
+static int del_route(struct connman_element *element, const char *gateway)
+{
+       struct ifreq ifr;
+       struct rtentry rt;
+       struct sockaddr_in *addr;
+       int sk, err;
+
+       DBG("element %p", element);
+
+       sk = socket(PF_INET, SOCK_DGRAM, 0);
+       if (sk < 0)
+               return -1;
+
+       memset(&ifr, 0, sizeof(ifr));
+       ifr.ifr_ifindex = element->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 | RTF_GATEWAY;
+
+       addr = (struct sockaddr_in *) &rt.rt_dst;
+       addr->sin_family = AF_INET;
+       addr->sin_addr.s_addr = INADDR_ANY;
+
+       addr = (struct sockaddr_in *) &rt.rt_gateway;
+       addr->sin_family = AF_INET;
+       addr->sin_addr.s_addr = inet_addr(gateway);
+
+       addr = (struct sockaddr_in *) &rt.rt_genmask;
+       addr->sin_family = AF_INET;
+       addr->sin_addr.s_addr = INADDR_ANY;
+
+       err = ioctl(sk, SIOCDELRT, &rt);
+       if (err < 0)
+               DBG("default route removal failed (%s)", strerror(errno));
 
        close(sk);
 
@@ -248,11 +295,11 @@ static int conn_probe(struct connman_element *element)
        DBG("gateway %s", gateway);
 
        if (gateway == NULL)
-               return -EINVAL;
+               return 0;
 
        if (g_slist_length(gateway_list) > 0) {
                DBG("default already present");
-               return -EALREADY;
+               return 0;
        }
 
        set_route(element, gateway);
@@ -267,11 +314,51 @@ static void conn_remove(struct connman_element *element)
        DBG("element %p name %s", element, element->name);
 }
 
+static int conn_enable(struct connman_element *element)
+{
+       const char *gateway = NULL;
+
+       DBG("element %p name %s", element, element->name);
+
+       connman_element_get_value(element,
+                               CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
+
+       DBG("gateway %s", gateway);
+
+       if (gateway == NULL)
+               return -EINVAL;
+
+       set_route(element, gateway);
+
+       return 0;
+}
+
+static int conn_disable(struct connman_element *element)
+{
+       const char *gateway = NULL;
+
+       DBG("element %p name %s", element, element->name);
+
+       connman_element_get_value(element,
+                               CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
+
+       DBG("gateway %s", gateway);
+
+       if (gateway == NULL)
+               return -EINVAL;
+
+       del_route(element, gateway);
+
+       return 0;
+}
+
 static struct connman_driver conn_driver = {
        .name           = "ipv4-connection",
        .type           = CONNMAN_ELEMENT_TYPE_CONNECTION,
        .probe          = conn_probe,
        .remove         = conn_remove,
+       .enable         = conn_enable,
+       .disable        = conn_disable,
 };
 
 static int ipv4_probe(struct connman_element *element)