2014-05-01 13:17:14 +00:00
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diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
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index e6da288..66684d3 100644
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--- a/core/java/android/content/pm/PackageParser.java
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+++ b/core/java/android/content/pm/PackageParser.java
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@@ -447,10 +447,23 @@ public class PackageParser {
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}
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}
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if ((flags&PackageManager.GET_SIGNATURES) != 0) {
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- int N = (p.mSignatures != null) ? p.mSignatures.length : 0;
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- if (N > 0) {
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- pi.signatures = new Signature[N];
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- System.arraycopy(p.mSignatures, 0, pi.signatures, 0, N);
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+ boolean handledFakeSignature = false;
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+ try {
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+ if (p.requestedPermissions.contains("android.permission.FAKE_PACKAGE_SIGNATURE") && p.mAppMetaData != null
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+ && p.mAppMetaData.get("fake-signature") instanceof String) {
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+ pi.signatures = new Signature[] {new Signature(p.mAppMetaData.getString("fake-signature"))};
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+ handledFakeSignature = true;
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+ }
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+ } catch (Throwable t) {
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+ // We should never die because of any failures, this is system code!
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+ Log.w("PackageParser.FAKE_PACKAGE_SIGNATURE", t);
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+ }
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+ if (!handledFakeSignature) {
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+ int N = (p.mSignatures != null) ? p.mSignatures.length : 0;
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+ if (N > 0) {
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+ pi.signatures = new Signature[N];
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+ System.arraycopy(p.mSignatures, 0, pi.signatures, 0, N);
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+ }
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}
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}
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return pi;
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diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
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index 558a475..4e7aa65 100644
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--- a/core/res/AndroidManifest.xml
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+++ b/core/res/AndroidManifest.xml
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@@ -1562,6 +1562,13 @@
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android:label="@string/permlab_getPackageSize"
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android:description="@string/permdesc_getPackageSize" />
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+ <!-- Allows an application to change the package signature as seen by applications -->
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+ <permission android:name="android.permission.FAKE_PACKAGE_SIGNATURE"
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+ android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
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+ android:protectionLevel="dangerous"
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+ android:label="@string/permlab_fakePackageSignature"
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+ android:description="@string/permdesc_fakePackageSignature" />
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+
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<!-- @deprecated No longer useful, see
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{@link android.content.pm.PackageManager#addPackageToPreferred}
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for details. -->
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diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
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index 790e166..8e66470 100644
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--- a/core/res/res/values/strings.xml
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+++ b/core/res/res/values/strings.xml
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@@ -1135,6 +1135,11 @@
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<string name="permdesc_getPackageSize">Allows the app to retrieve its code, data, and cache sizes</string>
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<!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
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+ <string name="permlab_fakePackageSignature">mimic package signature</string>
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+ <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
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2014-05-20 22:55:21 +00:00
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+ <string name="permdesc_fakePackageSignature">Allows the app to use mimic another app\'s package signature.</string>
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2014-05-01 13:17:14 +00:00
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+
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+ <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
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<string name="permlab_installPackages">directly install apps</string>
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<!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
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<string name="permdesc_installPackages">Allows the app to install new or updated
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