Fix PackageInstaller failure when called from different user

This change checks across all users for the calling uid when doing the
permission check.

Test: Will test in droidfood
Bug: 153868618
Change-Id: Ic599315444212119ce4cb9ac1b06147e9cf19ef3

packages/PackageInstaller/src/com/android/packageinstaller/InstallStart.java

@@ -30,13 +30,17 @@ import android.content.pm.IPackageManager;
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageManager;
 import android.content.pm.ProviderInfo;
+import android.content.pm.UserInfo;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.RemoteException;
+import android.os.UserManager;
 import android.permission.IPermissionManager;
 import android.util.Log;
 
+import java.util.List;
+
 /**
  * Select which activity is the first visible activity of the installation and forward the intent to
  * it.
@@ -47,6 +51,7 @@ public class InstallStart extends Activity {
     private static final String DOWNLOADS_AUTHORITY = "downloads";
     private IPackageManager mIPackageManager;
     private IPermissionManager mIPermissionManager;
+    private UserManager mUserManager;
     private boolean mAbortInstall = false;
 
     @Override
@@ -54,6 +59,7 @@ public class InstallStart extends Activity {
         super.onCreate(savedInstanceState);
         mIPackageManager = AppGlobals.getPackageManager();
         mIPermissionManager = AppGlobals.getPermissionManager();
+        mUserManager = getSystemService(UserManager.class);
         Intent intent = getIntent();
         String callingPackage = getCallingPackage();
 
@@ -144,13 +150,16 @@ public class InstallStart extends Activity {
             if (packages == null) {
                 return false;
             }
+            final List<UserInfo> users = mUserManager.getUsers();
             for (String packageName : packages) {
-                try {
-                    if (uid == getPackageManager().getPackageUid(packageName, 0)) {
-                        return true;
+                for (UserInfo user : users) {
+                    try {
+                        if (uid == getPackageManager().getPackageUidAsUser(packageName, user.id)) {
+                            return true;
+                        }
+                    } catch (PackageManager.NameNotFoundException e) {
+                        // Ignore and try the next package
                     }
-                } catch (PackageManager.NameNotFoundException e) {
-                    // Ignore and try the next package
                 }
             }
         } catch (RemoteException rexc) {