clean dns list if an interface is marked as down

[project/netifd.git] / interface.c

diff --git a/interface.c b/interface.c
index 17cb754..0a85e6f 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -85,6 +85,7 @@ interface_event(struct interface *iface, enum interface_event ev)
 static void
 mark_interface_down(struct interface *iface)
 {
+       interface_clear_dns(iface);
        vlist_flush_all(&iface->proto_addr);
        vlist_flush_all(&iface->proto_route);
        if (iface->main_dev.dev)
@@ -185,6 +186,7 @@ interface_claim_device(struct interface *iface)
 static void
 interface_cleanup(struct interface *iface)
 {
+       interface_clear_dns(iface);
        interface_clear_errors(iface);
        if (iface->main_dev.dev)
                device_remove_user(&iface->main_dev);
@@ -241,6 +243,7 @@ interface_proto_cb(struct interface_proto_state *state, enum interface_proto_eve
                iface->state = IFS_UP;
                iface->start_time = system_get_rtime();
                interface_event(iface, IFEV_UP);
+               interface_write_resolv_conf();
                break;
        case IFPEV_DOWN:
                if (iface->state == IFS_DOWN)
@@ -248,6 +251,8 @@ interface_proto_cb(struct interface_proto_state *state, enum interface_proto_eve
 
                mark_interface_down(iface);
                interface_handle_config_change(iface);
+               if (iface->autostart)
+                       __interface_set_up(iface);
                break;
        case IFPEV_LINK_LOST:
                if (iface->state != IFS_UP)
@@ -285,6 +290,8 @@ interface_init(struct interface *iface, const char *name,
        strncpy(iface->name, name, sizeof(iface->name) - 1);
        INIT_LIST_HEAD(&iface->errors);
        INIT_LIST_HEAD(&iface->hotplug_list);
+       INIT_LIST_HEAD(&iface->proto_dns_search);
+       INIT_LIST_HEAD(&iface->proto_dns_servers);
 
        iface->main_dev.cb = interface_cb;
        iface->l3_dev = &iface->main_dev;