mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-12-17 03:44:45 -05:00
98 lines
4.9 KiB
Diff
98 lines
4.9 KiB
Diff
From 44cda6f5e47c33e91980ae35c8bc6d88e4d3763c Mon Sep 17 00:00:00 2001
|
|
From: be-neth <bmauduit@beneth.fr>
|
|
Date: Thu, 24 Nov 2016 13:01:30 -0500
|
|
Subject: [PATCH] Allow packages to spoof their signature
|
|
|
|
Change-Id: I9acf48c7607804890d0d0fa7fe30bb36779cb40d
|
|
---
|
|
core/res/AndroidManifest.xml | 7 +++++++
|
|
core/res/res/values/config.xml | 2 ++
|
|
core/res/res/values/strings.xml | 5 +++++
|
|
.../android/server/pm/PackageManagerService.java | 23 ++++++++++++++++++++--
|
|
4 files changed, 35 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
|
|
index b624305..43eec1f 100644
|
|
--- a/core/res/AndroidManifest.xml
|
|
+++ b/core/res/AndroidManifest.xml
|
|
@@ -1926,6 +1926,13 @@
|
|
android:description="@string/permdesc_getPackageSize"
|
|
android:protectionLevel="normal" />
|
|
|
|
+ <!-- @hide Allows an application to change the package signature as
|
|
+ seen by applications -->
|
|
+ <permission android:name="android.permission.FAKE_PACKAGE_SIGNATURE"
|
|
+ android:protectionLevel="dangerous"
|
|
+ android:label="@string/permlab_fakePackageSignature"
|
|
+ android:description="@string/permdesc_fakePackageSignature" />
|
|
+
|
|
<!-- @deprecated No longer useful, see
|
|
{@link android.content.pm.PackageManager#addPackageToPreferred}
|
|
for details. -->
|
|
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
|
|
index 4a95f6e..702e02a 100644
|
|
--- a/core/res/res/values/config.xml
|
|
+++ b/core/res/res/values/config.xml
|
|
@@ -1383,6 +1383,8 @@
|
|
<string-array name="config_locationProviderPackageNames" translatable="false">
|
|
<!-- The standard AOSP fused location provider -->
|
|
<item>com.android.location.fused</item>
|
|
+ <!-- The (faked) microg fused location provider -->
|
|
+ <item>com.google.android.gms</item>
|
|
</string-array>
|
|
|
|
<!-- This string array can be overriden to enable test location providers initially. -->
|
|
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
|
|
index 345d377..26814f1 100644
|
|
--- a/core/res/res/values/strings.xml
|
|
+++ b/core/res/res/values/strings.xml
|
|
@@ -660,6 +660,11 @@
|
|
|
|
<!-- Permissions -->
|
|
|
|
+ <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
|
|
+ <string name="permlab_fakePackageSignature">Spoof package signature</string>
|
|
+ <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
|
|
+ <string name="permdesc_fakePackageSignature">Allows the app to pretend to be a different app. Malicious applications might be able to use this to access private application data. Grant this permission with caution only!</string>
|
|
+
|
|
<!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
|
|
<string name="permlab_statusBar">disable or modify status bar</string>
|
|
<!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
|
|
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
|
|
index d450288..9194e69 100644
|
|
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
|
|
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
|
|
@@ -3141,8 +3141,27 @@ public class PackageManagerService extends IPackageManager.Stub {
|
|
? Collections.<String>emptySet() : permissionsState.getPermissions(userId);
|
|
final PackageUserState state = ps.readUserState(userId);
|
|
|
|
- return PackageParser.generatePackageInfo(p, gids, flags,
|
|
- ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId);
|
|
+ return mayFakeSignature(p, PackageParser.generatePackageInfo(p, gids, flags,
|
|
+ ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId),
|
|
+ permissions);
|
|
+ }
|
|
+
|
|
+ private PackageInfo mayFakeSignature(PackageParser.Package p, PackageInfo pi,
|
|
+ Set<String> permissions) {
|
|
+ try {
|
|
+ if (permissions.contains("android.permission.FAKE_PACKAGE_SIGNATURE")
|
|
+ && p.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1
|
|
+ && p.mAppMetaData != null) {
|
|
+ String sig = p.mAppMetaData.getString("fake-signature");
|
|
+ if (sig != null) {
|
|
+ pi.signatures = new Signature[] {new Signature(sig)};
|
|
+ }
|
|
+ }
|
|
+ } catch (Throwable t) {
|
|
+ // We should never die because of any failures, this is system code!
|
|
+ Log.w("PackageManagerService.FAKE_PACKAGE_SIGNATURE", t);
|
|
+ }
|
|
+ return pi;
|
|
}
|
|
|
|
@Override
|
|
--
|
|
2.9.3
|
|
|