DivestOS/Patches/LineageOS-17.1/android_frameworks_base/356353.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Songchun Fan <schfan@google.com>
Date: Thu, 2 Feb 2023 10:35:56 -0800
Subject: [PATCH] still allow debuggable for system app downgrades
Turns out we do have internal tests that downgrades system apps, so adding this exception to allow for that.
BUG: 267232653
BUG: 256202273
Test: manual
Change-Id: Ie281bbdc8788ee64ff99a7c5150da7ce7926235e
(cherry picked from commit ceeca68b8c3f0ed8427b0212f63defe2f075146e)
(cherry picked from commit on googleplex-android-review.googlesource.com host: 341669af524058dd4c64a176ddc54ada589591e1)
Merged-In: Ie281bbdc8788ee64ff99a7c5150da7ce7926235e
---
.../server/pm/PackageManagerService.java | 22 +++++++++++--------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 37b85cf4fe79..27282c0a2dda 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -15324,15 +15324,19 @@ public class PackageManagerService extends IPackageManager.Stub
if (disabledPs != null) {
dataOwnerPkg = disabledPs.pkg;
}
- try {
- checkDowngrade(dataOwnerPkg, pkgLite);
- } catch (PackageManagerException e) {
- String errorMsg = "System app: " + packageName
- + " cannot be downgraded to"
- + " older than its preloaded version on the system image. "
- + e.getMessage();
- Slog.w(TAG, errorMsg);
- return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
+ if (!Build.IS_DEBUGGABLE && (dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) {
+ // Only restrict non-debuggable builds and non-debuggable version of
+ // the app
+ try {
+ checkDowngrade(dataOwnerPkg, pkgLite);
+ } catch (PackageManagerException e) {
+ String errorMsg = "System app: " + packageName
+ + " cannot be downgraded to"
+ + " older than its preloaded version on the system image. "
+ + e.getMessage();
+ Slog.w(TAG, errorMsg);
+ return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
+ }
}
}
}