Don't trust SNI names, fixes #1274

If an item doesn't have a well-formed name, it will not be added to the
tray.

1 files changed, 6 insertions, 0 deletions

diff --git a/swaybar/tray/sni.c b/swaybar/tray/sni.c
index 0c46d5c0..d9a5ca80 100644
--- a/swaybar/tray/sni.c
+++ b/swaybar/tray/sni.c
@@ -413,6 +413,12 @@ static void get_unique_name(struct StatusNotifierItem *item) {
 }
 
 struct StatusNotifierItem *sni_create(const char *name) {
+        // Make sure `name` is well formed
+        if (!dbus_validate_bus_name(name, NULL)) {
+                sway_log(L_INFO, "Name (%s) is not a bus name. We cannot create an item.", name);
+                return NULL;
+        }
+
         struct StatusNotifierItem *item = malloc(sizeof(struct StatusNotifierItem));
         item->name = strdup(name);
         item->unique_name = NULL;