move dns server/search list parsing to interface core to support peerdns=0 + static...

[project/netifd.git] / interface.c

diff --git a/interface.c b/interface.c
index 78dcd83..edf9b27 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -32,6 +32,9 @@ enum {
        IFACE_ATTR_PROTO,
        IFACE_ATTR_AUTO,
        IFACE_ATTR_DEFAULTROUTE,
+       IFACE_ATTR_PEERDNS,
+       IFACE_ATTR_DNS,
+       IFACE_ATTR_DNS_SEARCH,
        IFACE_ATTR_METRIC,
        IFACE_ATTR_MAX
 };
@@ -41,12 +44,20 @@ static const struct blobmsg_policy iface_attrs[IFACE_ATTR_MAX] = {
        [IFACE_ATTR_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
        [IFACE_ATTR_AUTO] = { .name = "auto", .type = BLOBMSG_TYPE_BOOL },
        [IFACE_ATTR_DEFAULTROUTE] = { .name = "defaultroute", .type = BLOBMSG_TYPE_BOOL },
+       [IFACE_ATTR_PEERDNS] = { .name = "peerdns", .type = BLOBMSG_TYPE_BOOL },
        [IFACE_ATTR_METRIC] = { .name = "metric", .type = BLOBMSG_TYPE_INT32 },
+       [IFACE_ATTR_DNS] = { .name = "dns", .type = BLOBMSG_TYPE_ARRAY },
+       [IFACE_ATTR_DNS_SEARCH] = { .name = "dns_search", .type = BLOBMSG_TYPE_ARRAY },
+};
+
+static const union config_param_info iface_attr_info[IFACE_ATTR_MAX] = {
+       [IFACE_ATTR_DNS] = { .type = BLOBMSG_TYPE_STRING },
 };
 
 const struct config_param_list interface_attr_list = {
        .n_params = IFACE_ATTR_MAX,
        .params = iface_attrs,
+       .info = iface_attr_info,
 };
 
 static void
@@ -390,6 +401,14 @@ interface_init(struct interface *iface, const char *name,
        iface->autostart = blobmsg_get_bool_default(tb[IFACE_ATTR_AUTO], true);
        iface->proto_ip.no_defaultroute =
                !blobmsg_get_bool_default(tb[IFACE_ATTR_DEFAULTROUTE], true);
+       iface->proto_ip.no_dns =
+               !blobmsg_get_bool_default(tb[IFACE_ATTR_PEERDNS], true);
+
+       if ((cur = tb[IFACE_ATTR_DNS]))
+               interface_add_dns_server_list(&iface->config_ip, cur);
+
+       if ((cur = tb[IFACE_ATTR_DNS_SEARCH]))
+               interface_add_dns_search_list(&iface->config_ip, cur);
 
        iface->config_autostart = iface->autostart;
 }
@@ -571,6 +590,13 @@ interface_update_complete(struct interface *iface)
 }
 
 static void
+interface_replace_dns(struct interface_ip_settings *old, struct interface_ip_settings *new)
+{
+       vlist_simple_replace(&new->dns_servers, &old->dns_servers);
+       vlist_simple_replace(&new->dns_search, &old->dns_search);
+}
+
+static void
 interface_change_config(struct interface *if_old, struct interface *if_new)
 {
        struct blob_attr *old_config = if_old->config;
@@ -617,6 +643,11 @@ interface_change_config(struct interface *if_old, struct interface *if_new)
                interface_ip_set_enabled(&if_old->proto_ip, if_new->proto_ip.enabled);
        }
 
+       UPDATE(proto_ip.no_dns);
+       interface_replace_dns(&if_old->config_ip, &if_new->config_ip);
+       interface_replace_dns(&if_old->proto_ip, &if_new->proto_ip);
+       interface_write_resolv_conf();
+
 #undef UPDATE
 
        goto out;