Profile: Add helper to check name validity

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/app/src/main/java/com/wireguard/config/Profile.java b/app/src/main/java/com/wireguard/config/Profile.java
index ab4d645b..e04cab3e 100644
--- a/app/src/main/java/com/wireguard/config/Profile.java
+++ b/app/src/main/java/com/wireguard/config/Profile.java
@@ -20,6 +20,11 @@ import java.nio.charset.StandardCharsets;
  */
 
 public class Profile extends BaseObservable implements Copyable<Profile>, Observable {
+    public static boolean isNameValid(String name) {
+        final int IFNAMSIZ = 16;
+        return !name.contains(" ") && name.getBytes(StandardCharsets.UTF_8).length <= IFNAMSIZ;
+    }
+
     private final Interface iface = new Interface();
     private boolean isConnected;
     private String name;