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11.0: More work

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This commit is contained in:
Tad 2018-07-10 08:29:08 -04:00
parent 5716c58485
commit 966f4a5baf
6 changed files with 159 additions and 17 deletions
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66
Patches/LineageOS-11.0/android_frameworks_base/0001-Signature_Spoofing.patch Normal file
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@ -0,0 +1,66 @@
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index e6da288..66684d3 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -447,10 +447,23 @@ public class PackageParser {
}
}
if ((flags&PackageManager.GET_SIGNATURES) != 0) {
- int N = (p.mSignatures != null) ? p.mSignatures.length : 0;
- if (N > 0) {
- pi.signatures = new Signature[N];
- System.arraycopy(p.mSignatures, 0, pi.signatures, 0, N);
+ boolean handledFakeSignature = false;
+ try {
+ if (p.requestedPermissions.contains("android.permission.FAKE_PACKAGE_SIGNATURE") && p.mAppMetaData != null
+ && p.mAppMetaData.get("fake-signature") instanceof String) {
+ pi.signatures = new Signature[] {new Signature(p.mAppMetaData.getString("fake-signature"))};
+ handledFakeSignature = true;
+ }
+ } catch (Throwable t) {
+ // We should never die because of any failures, this is system code!
+ Log.w("PackageParser.FAKE_PACKAGE_SIGNATURE", t);
+ }
+ if (!handledFakeSignature) {
+ int N = (p.mSignatures != null) ? p.mSignatures.length : 0;
+ if (N > 0) {
+ pi.signatures = new Signature[N];
+ System.arraycopy(p.mSignatures, 0, pi.signatures, 0, N);
+ }
}
}
return pi;
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 558a475..4e7aa65 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1562,6 +1562,13 @@
android:label="@string/permlab_getPackageSize"
android:description="@string/permdesc_getPackageSize" />
+ <!-- Allows an application to change the package signature as seen by applications -->
+ <permission android:name="android.permission.FAKE_PACKAGE_SIGNATURE"
+ android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
+ 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/strings.xml b/core/res/res/values/strings.xml
index 790e166..8e66470 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -1135,6 +1135,11 @@
<string name="permdesc_getPackageSize">Allows the app to retrieve its code, data, and cache sizes</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_fakePackageSignature">mimic 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 use mimic another app\'s package signature.</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_installPackages">directly install apps</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_installPackages">Allows the app to install new or updated