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https://github.com/Divested-Mobile/DivestOS-Build.git
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56 lines
2.5 KiB
Diff
56 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Eric Biggers <ebiggers@google.com>
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Date: Mon, 24 Jan 2022 20:33:11 +0000
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Subject: [PATCH] UserDataPreparer: reboot to recovery if preparing user
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storage fails
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StorageManager.prepareUserStorage() can throw an exception if a
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directory cannot be encrypted, for example due to already being
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nonempty. In this case, usage of the directory must not be allowed to
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proceed. UserDataPreparer currently handles this by deleting the user's
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directories, but the error is still ultimately suppressed and starting
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the user is still allowed to proceed.
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The correct behavior in this case is to reboot into recovery to ask the
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user to factory reset the device. This is already what happens when
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'init' fails to encrypt a directory with the system DE policy. However,
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this was overlooked for the user directories. Start doing this.
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Bug: 164488924
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Bug: 224585613
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Change-Id: Ib5e91d2510b25780d7a161b91b5cee2f6f7a2e54
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(cherry picked from commit 5256365e65882b81509ec2f6b9dfe2dcf0025254)
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Merged-In: Ib5e91d2510b25780d7a161b91b5cee2f6f7a2e54
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(cherry picked from commit ea010f3dd213bb6b5f3ed28b89988754ed26aac6)
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Merged-In: Ib5e91d2510b25780d7a161b91b5cee2f6f7a2e54
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---
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.../core/java/com/android/server/pm/UserDataPreparer.java | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/services/core/java/com/android/server/pm/UserDataPreparer.java b/services/core/java/com/android/server/pm/UserDataPreparer.java
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index b8b00af448eb..aaba1800949b 100644
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--- a/services/core/java/com/android/server/pm/UserDataPreparer.java
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+++ b/services/core/java/com/android/server/pm/UserDataPreparer.java
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@@ -20,6 +20,7 @@ import android.content.Context;
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import android.content.pm.UserInfo;
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import android.os.Environment;
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import android.os.FileUtils;
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+import android.os.RecoverySystem;
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import android.os.storage.StorageManager;
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import android.os.storage.VolumeInfo;
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import android.system.ErrnoException;
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@@ -104,6 +105,13 @@ class UserDataPreparer {
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if (allowRecover) {
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// Try one last time; if we fail again we're really in trouble
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prepareUserDataLI(volumeUuid, userId, userSerial, flags, false);
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+ } else {
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+ try {
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+ Log.e(TAG, "prepareUserData failed", e);
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+ RecoverySystem.rebootPromptAndWipeUserData(mContext, "prepareUserData failed");
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+ } catch (IOException e2) {
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+ throw new RuntimeException("error rebooting into recovery", e2);
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+ }
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}
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}
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}
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