am 7ab11e45: am 5fd47543: am 85c73c40: Merge "[UserManager] expose method to retrieve credential owner" into mnc-dev

* commit '7ab11e45bd2be1a67e446aecf8e2da4b2209510b':
  [UserManager] expose method to retrieve credential owner

core/java/android/os/IUserManager.aidl

@@ -27,6 +27,12 @@ import android.os.ParcelFileDescriptor;
  *  {@hide}
  */
 interface IUserManager {
+
+    /*
+     * DO NOT MOVE - UserManager.h depends on the ordering of this function.
+     */
+    int getCredentialOwnerProfile(int userHandle);
+
     UserInfo createUser(in String name, int flags);
     UserInfo createProfileForUser(in String name, int flags, int userHandle);
     void setUserEnabled(int userHandle);

core/java/android/os/UserManager.java

@@ -1067,6 +1067,22 @@ public class UserManager {
         return profiles;
     }
 
+    /**
+     * Returns the device credential owner id of the profile from
+     * which this method is called, or userHandle if called from a user that
+     * is not a profile.
+     *
+     * @hide
+     */
+    public int getCredentialOwnerProfile(int userHandle) {
+        try {
+            return mService.getCredentialOwnerProfile(userHandle);
+        } catch (RemoteException re) {
+            Log.w(TAG, "Could not get credential owner", re);
+            return -1;
+        }
+    }
+
     /**
      * Returns the parent of the profile which this method is called from
      * or null if called from a user that is not a profile.

services/core/java/com/android/server/pm/UserManagerService.java

@@ -135,6 +135,11 @@ public class UserManagerService extends IUserManager.Stub {
     // without first making sure that the rest of the framework is prepared for it.
     private static final int MAX_MANAGED_PROFILES = 1;
 
+    /**
+     * Flag indicating whether device credentials are shared among same-user profiles.
+     */
+    private static final boolean CONFIG_PROFILES_SHARE_CREDENTIAL = true;
+
     // Set of user restrictions, which can only be enforced by the system
     private static final Set<String> SYSTEM_CONTROLLED_RESTRICTIONS = Sets.newArraySet(
             UserManager.DISALLOW_RECORD_AUDIO);
@@ -316,6 +321,21 @@ public class UserManagerService extends IUserManager.Stub {
         return users;
     }
 
+    @Override
+    public int getCredentialOwnerProfile(int userHandle) {
+        checkManageUsersPermission("get the credential owner");
+        if (CONFIG_PROFILES_SHARE_CREDENTIAL) {
+            synchronized (mPackagesLock) {
+                UserInfo profileParent = getProfileParentLocked(userHandle);
+                if (profileParent != null) {
+                    return profileParent.id;
+                }
+            }
+        }
+
+        return userHandle;
+    }
+
     @Override
     public UserInfo getProfileParent(int userHandle) {
         checkManageUsersPermission("get the profile parent");
@@ -943,7 +963,7 @@ public class UserManagerService extends IUserManager.Stub {
         }
     }
 
-    private void writeRestrictionsLocked(XmlSerializer serializer, Bundle restrictions) 
+    private void writeRestrictionsLocked(XmlSerializer serializer, Bundle restrictions)
             throws IOException {
         serializer.startTag(null, TAG_RESTRICTIONS);
         writeBoolean(serializer, restrictions, UserManager.DISALLOW_CONFIG_WIFI);