From 720079bdf92339d582d2280235805c18aac0225d Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Fri, 16 May 2025 18:45:19 +0200
Subject: [PATCH] TunnelToggleActivity: suppress errors from prepare() in
 lockdown mode

Exception java.lang.IllegalStateException: Unavailable in lockdown mode
  at android.os.Parcel.createExceptionOrNull (Parcel.java:3031)
  at android.os.Parcel.createException (Parcel.java:3007)
  at android.os.Parcel.readException (Parcel.java:2990)
  at android.os.Parcel.readException (Parcel.java:2932)
  at android.net.IVpnManager$Stub$Proxy.prepareVpn (IVpnManager.java:1064)
  at android.net.VpnService.prepare (VpnService.java:290)
  at com.wireguard.android.activity.TunnelToggleActivity$onCreate$1.invokeSuspend (TunnelToggleActivity.kt:44)
  at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith (ContinuationImpl.kt:8)
  at kotlinx.coroutines.internal.DispatchedContinuationKt.resumeCancellableWith (DispatchedContinuation.kt:155)
  at kotlinx.coroutines.intrinsics.CancellableKt.startCoroutineCancellable (Cancellable.kt:12)
  at kotlinx.coroutines.intrinsics.CancellableKt.startCoroutineCancellable$default (Cancellable.kt:12)
  at kotlinx.coroutines.CoroutineStart.invoke (CoroutineStart.java:80)
  at kotlinx.coroutines.AbstractCoroutine.start (AbstractCoroutine.kt:80)
  at kotlinx.coroutines.BuildersKt__Builders_commonKt.launch (BuildersKt__Builders_common.kt:52)
  at kotlinx.coroutines.BuildersKt.launch (Builders.kt:52)
  at kotlinx.coroutines.BuildersKt__Builders_commonKt.launch$default (BuildersKt__Builders_common.kt:52)
  at kotlinx.coroutines.BuildersKt.launch$default (Builders.kt:52)
  at com.wireguard.android.activity.TunnelToggleActivity.onCreate (TunnelToggleActivity.kt:14)
  at android.app.Activity.performCreate (Activity.java:8591)
  at android.app.Activity.performCreate (Activity.java:8570)
  at android.app.Instrumentation.callActivityOnCreate (Instrumentation.java:1384)
  at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:4150)
  at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:4325)
  at android.app.servertransaction.LaunchActivityItem.execute (LaunchActivityItem.java:101)
  at android.app.servertransaction.TransactionExecutor.executeCallbacks (TransactionExecutor.java:135)
  at android.app.servertransaction.TransactionExecutor.execute (TransactionExecutor.java:95)
  at android.app.ActivityThread$H.handleMessage (ActivityThread.java:2574)
  at android.os.Handler.dispatchMessage (Handler.java:106)
  at android.os.Looper.loopOnce (Looper.java:226)
  at android.os.Looper.loop (Looper.java:313)
  at android.app.ActivityThread.main (ActivityThread.java:8762)
  at java.lang.reflect.Method.invoke
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:604)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1067)

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 .../android/activity/TunnelToggleActivity.kt         | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/ui/src/main/java/com/wireguard/android/activity/TunnelToggleActivity.kt b/ui/src/main/java/com/wireguard/android/activity/TunnelToggleActivity.kt
index 59b9349f..9c22b426 100644
--- a/ui/src/main/java/com/wireguard/android/activity/TunnelToggleActivity.kt
+++ b/ui/src/main/java/com/wireguard/android/activity/TunnelToggleActivity.kt
@@ -50,10 +50,14 @@ class TunnelToggleActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         lifecycleScope.launch {
             if (Application.getBackend() is GoBackend) {
-                val intent = GoBackend.VpnService.prepare(this@TunnelToggleActivity)
-                if (intent != null) {
-                    permissionActivityResultLauncher.launch(intent)
-                    return@launch
+                try {
+                    val intent = GoBackend.VpnService.prepare(this@TunnelToggleActivity)
+                    if (intent != null) {
+                        permissionActivityResultLauncher.launch(intent)
+                        return@launch
+                    }
+                } catch (e: Exception) {
+                    Toast.makeText(this@TunnelToggleActivity, ErrorMessages[e], Toast.LENGTH_LONG).show()
                 }
             }
             toggleTunnelWithPermissionsResult()