Add an intent extra to force master clear
Currently, if a priv-app sends ACTION_MASTER_CLEAR, whilst
DISALLOW_FACTORY_RESET is set, the factory reset is blocked. This CL
introduces a new extra for master clear that let's the priv-app bypass
the user restriction.
Bug: 28689894
Change-Id: I4bf979a3826454e977f1abff4562f85c8d0eec4a
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index 9118f01..df2c6fc 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -3174,6 +3174,14 @@
public static final String ACTION_MASTER_CLEAR = "android.intent.action.MASTER_CLEAR";
/**
+ * Boolean intent extra to be used with {@link ACTION_MASTER_CLEAR} in order to force a factory
+ * reset even if {@link android.os.UserManager.DISALLOW_FACTORY_RESET} is set.
+ * @hide
+ */
+ public static final String EXTRA_FORCE_MASTER_CLEAR =
+ "android.intent.extra.FORCE_MASTER_CLEAR";
+
+ /**
* Broadcast action: report that a settings element is being restored from backup. The intent
* contains three extras: EXTRA_SETTING_NAME is a string naming the restored setting,
* EXTRA_SETTING_NEW_VALUE is the value being restored, and EXTRA_SETTING_PREVIOUS_VALUE
diff --git a/core/java/android/os/RecoverySystem.java b/core/java/android/os/RecoverySystem.java
index 4abbf0e..acb24e1 100644
--- a/core/java/android/os/RecoverySystem.java
+++ b/core/java/android/os/RecoverySystem.java
@@ -570,18 +570,19 @@
* @throws SecurityException if the current user is not allowed to wipe data.
*/
public static void rebootWipeUserData(Context context) throws IOException {
- rebootWipeUserData(context, false, context.getPackageName());
+ rebootWipeUserData(context, false /* shutdown */, context.getPackageName(),
+ false /* force */);
}
/** {@hide} */
public static void rebootWipeUserData(Context context, String reason) throws IOException {
- rebootWipeUserData(context, false, reason);
+ rebootWipeUserData(context, false /* shutdown */, reason, false /* force */);
}
/** {@hide} */
public static void rebootWipeUserData(Context context, boolean shutdown)
throws IOException {
- rebootWipeUserData(context, shutdown, context.getPackageName());
+ rebootWipeUserData(context, shutdown, context.getPackageName(), false /* force */);
}
/**
@@ -595,6 +596,9 @@
* @param shutdown if true, the device will be powered down after
* the wipe completes, rather than being rebooted
* back to the regular system.
+ * @param reason the reason for the wipe that is visible in the logs
+ * @param force whether the {@link UserManager.DISALLOW_FACTORY_RESET} user restriction
+ * should be ignored
*
* @throws IOException if writing the recovery command file
* fails, or if the reboot itself fails.
@@ -602,10 +606,10 @@
*
* @hide
*/
- public static void rebootWipeUserData(Context context, boolean shutdown, String reason)
- throws IOException {
+ public static void rebootWipeUserData(Context context, boolean shutdown, String reason,
+ boolean force) throws IOException {
UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
- if (um.hasUserRestriction(UserManager.DISALLOW_FACTORY_RESET)) {
+ if (!force && um.hasUserRestriction(UserManager.DISALLOW_FACTORY_RESET)) {
throw new SecurityException("Wiping data is not allowed for this user.");
}
final ConditionVariable condition = new ConditionVariable();