allow only superuser

Change-Id: I9dcc7750e8832f1e3667ea0027dd6500af22082d

diff --git a/src/tdm_server.c b/src/tdm_server.c
index 6417fd9..4dee110 100644 (file)
--- a/src/tdm_server.c
+++ b/src/tdm_server.c
@@ -470,11 +470,19 @@ _tdm_server_cb_debug(struct wl_client *client, struct wl_resource *resource, con
 {
        tdm_private_server *private_server = wl_resource_get_user_data(resource);
        tdm_private_loop *private_loop = private_server->private_loop;
-
        char message[TDM_SERVER_REPLY_MSG_LEN];
        int size = sizeof(message);
+       uid_t uid;
+
+       wl_client_get_credentials(client, NULL, &uid, NULL);
+
+       if (uid != 0) {
+               snprintf(message, size, "tdm-monitor: SHOULD be a superuser.\n");
+               TDM_ERR("%s", message);
+       } else {
+               tdm_monitor_server_command(private_loop->dpy, options, message, &size);
+       }
 
-       tdm_monitor_server_command(private_loop->dpy, options, message, &size);
        wl_tdm_send_debug_done(resource, message);
 }