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https://github.com/Divested-Mobile/DivestOS-Build.git
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082bc48c32
https://review.lineageos.org/q/topic:P_asb_2022-05 https://review.lineageos.org/q/topic:P_asb_2022-06 https://review.lineageos.org/q/topic:P_asb_2022-07 https://review.lineageos.org/q/topic:P_asb_2022-08 https://review.lineageos.org/q/topic:P_asb_2022-09 https://review.lineageos.org/q/topic:P_asb_2022-10 https://review.lineageos.org/q/topic:P_asb_2022-11 https://review.lineageos.org/q/topic:P_asb_2022-12 https://review.lineageos.org/q/topic:P_asb_2023-01 https://review.lineageos.org/q/topic:P_asb_2023-02 https://review.lineageos.org/q/topic:P_asb_2023-03 https://review.lineageos.org/q/topic:P_asb_2023-04 https://review.lineageos.org/q/topic:P_asb_2023-05 https://review.lineageos.org/q/topic:P_asb_2023-06 https://review.lineageos.org/q/topic:P_asb_2023-07 accounted for via manifest change: https://review.lineageos.org/c/LineageOS/android_external_freetype/+/361250 https://review.lineageos.org/q/topic:P_asb_2023-08 accounted for via manifest change: https://review.lineageos.org/c/LineageOS/android_external_freetype/+/364606 accounted for via patches: https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/365328 https://review.lineageos.org/q/topic:P_asb_2023-09 https://review.lineageos.org/q/topic:P_asb_2023-10 https://review.lineageos.org/q/topic:P_asb_2023-11 accounted for via patches: https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/374916 https://review.lineageos.org/q/topic:P_asb_2023-12 https://review.lineageos.org/q/topic:P_asb_2024-01 https://review.lineageos.org/q/topic:P_asb_2024-02 https://review.lineageos.org/q/topic:P_asb_2024-03 https://review.lineageos.org/q/topic:P_asb_2024-04 Signed-off-by: Tavi <tavi@divested.dev>
46 lines
2.1 KiB
Diff
46 lines
2.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Oli Lan <olilan@google.com>
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Date: Fri, 25 Mar 2022 10:02:41 +0000
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Subject: [PATCH] RESTRICT AUTOMERGE Prevent non-admin users from deleting
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system apps.
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This addresses a security issue where the guest user can remove updates
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for system apps.
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With this CL, attempts to uninstall/downgrade system apps will fail if
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attempted by a non-admin user.
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This is a backport of ag/17352264.
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Bug: 170646036
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Test: manual, try uninstalling system app update as guest
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Change-Id: I5bbaaf83d035c500bfc02ff4b9b0e7fb1e7c2feb
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Merged-In: I4e959e296cca9bbdfc8fccc5e5e0e654ca524165
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(cherry picked from commit a7621e0ce00f1d140b375518e26cf75693314203)
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Merged-In: I5bbaaf83d035c500bfc02ff4b9b0e7fb1e7c2feb
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---
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.../com/android/server/pm/PackageManagerService.java | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
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index dc44fe17722d..e8532ce4edd3 100644
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--- a/services/core/java/com/android/server/pm/PackageManagerService.java
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+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
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@@ -18476,6 +18476,16 @@ public class PackageManagerService extends IPackageManager.Stub
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return PackageManager.DELETE_FAILED_INTERNAL_ERROR;
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}
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+ if (isSystemApp(uninstalledPs)) {
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+ UserInfo userInfo = sUserManager.getUserInfo(userId);
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+ if (userInfo == null || !userInfo.isAdmin()) {
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+ Slog.w(TAG, "Not removing package " + packageName
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+ + " as only admin user may downgrade system apps");
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+ EventLog.writeEvent(0x534e4554, "170646036", -1, packageName);
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+ return PackageManager.DELETE_FAILED_USER_RESTRICTED;
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+ }
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+ }
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+
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// Static shared libs can be declared by any package, so let us not
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// allow removing a package if it provides a lib others depend on.
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pkg = mPackages.get(packageName);
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