TunnelManager: disallow remote apps for L

I don't trust old Android versions to have gotten this right.

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

2 files changed, 7 insertions, 1 deletions

diff --git a/ui/src/main/java/com/wireguard/android/activity/SettingsActivity.kt b/ui/src/main/java/com/wireguard/android/activity/SettingsActivity.kt
index 10f74f55..8bd27d00 100644
--- a/ui/src/main/java/com/wireguard/android/activity/SettingsActivity.kt
+++ b/ui/src/main/java/com/wireguard/android/activity/SettingsActivity.kt
@@ -82,6 +82,10 @@ class SettingsActivity : ThemeChangeAwareActivity() {
                 darkTheme?.parent?.removePreference(darkTheme)
                 --preferenceScreen.initialExpandedChildrenCount
             }
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+                val remoteApps = preferenceManager.findPreference<Preference>("allow_remote_control_intents")
+                remoteApps?.parent?.removePreference(remoteApps)
+            }
             val wgQuickOnlyPrefs = arrayOf(
                     preferenceManager.findPreference("tools_installer"),
                     preferenceManager.findPreference("restore_on_boot"),
diff --git a/ui/src/main/java/com/wireguard/android/model/TunnelManager.java b/ui/src/main/java/com/wireguard/android/model/TunnelManager.java
index 9fe9bfb3..547c9344 100644
--- a/ui/src/main/java/com/wireguard/android/model/TunnelManager.java
+++ b/ui/src/main/java/com/wireguard/android/model/TunnelManager.java
@@ -9,6 +9,7 @@ import android.annotation.SuppressLint;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.os.Build;
 
 import com.wireguard.android.Application;
 import com.wireguard.android.BR;
@@ -278,7 +279,8 @@ public final class TunnelManager extends BaseObservable {
                 return;
             }
 
-            if (!Application.getSharedPreferences().getBoolean("allow_remote_control_intents", false))
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M ||
+                    !Application.getSharedPreferences().getBoolean("allow_remote_control_intents", false))
                 return;
 
             final State state;