From e4ff31827b11e107f6c9b03e5efb09165fc340f3 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Sat, 19 Dec 2015 19:02:57 -0500
Subject: defend against lockscreen brute forcing

---
 .../src/com/android/keyguard/KeyguardSecurityContainer.java         | 6 ++++++
 packages/SystemUI/AndroidManifest.xml                               | 1 +
 2 files changed, 7 insertions(+)

diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
index 827b378..f8d7fc9 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -20,6 +20,7 @@ import android.app.AlertDialog;
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.os.RemoteException;
+import android.os.PowerManager;
 import android.os.UserHandle;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -294,6 +295,11 @@ public class KeyguardSecurityContainer extends FrameLayout implements KeyguardSe
         if (timeoutMs > 0) {
             showTimeoutDialog(timeoutMs);
         }
+
+        if (mLockPatternUtils.isSeparateEncryptionPasswordEnabled() && failedAttempts >= 5) {
+            final PowerManager powerManager = mContext.getSystemService(PowerManager.class);
+            powerManager.reboot(null);
+        }
     }
 
     /**
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index d45b52b..4b49196 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -109,6 +109,7 @@
     <uses-permission android:name="android.permission.TRUST_LISTENER" />
     <uses-permission android:name="android.permission.USE_FINGERPRINT" />
     <uses-permission android:name="android.permission.RESET_FINGERPRINT_LOCKOUT" />
+    <uses-permission android:name="android.permission.REBOOT" />
 
     <!-- Needed for WallpaperManager.clear in ImageWallpaper.updateWallpaperLocked -->
     <uses-permission android:name="android.permission.SET_WALLPAPER"/>
-- 
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