Introduce per-user GIDs for storage.

This will eventually allow us to have a single unified filesystem
instead of requiring zygote to use bind mounts.

Change-Id: I29b819ab51498b4bab874e0367b1ab4165f84025

1 files changed, 10 insertions, 8 deletions

diff --git a/services/core/java/com/android/server/SystemConfig.java b/services/core/java/com/android/server/SystemConfig.java
index 6ad128c..4c9d7d3 100644
--- a/services/core/java/com/android/server/SystemConfig.java
+++ b/services/core/java/com/android/server/SystemConfig.java
@@ -71,9 +71,11 @@ public class SystemConfig {
     public static final class PermissionEntry {
         public final String name;
         public int[] gids;
+        public boolean perUser;
 
-        PermissionEntry(String _name) {
-            name = _name;
+        PermissionEntry(String name, boolean perUser) {
+            this.name = name;
+            this.perUser = perUser;
         }
     }
 
@@ -363,14 +365,14 @@ public class SystemConfig {
 
     void readPermission(XmlPullParser parser, String name)
             throws IOException, XmlPullParserException {
+        if (mPermissions.containsKey(name)) {
+            throw new IllegalStateException("Duplicate permission definition for " + name);
+        }
 
-        name = name.intern();
+        final boolean perUser = XmlUtils.readBooleanAttribute(parser, "perUser", false);
+        final PermissionEntry perm = new PermissionEntry(name, perUser);
+        mPermissions.put(name, perm);
 
-        PermissionEntry perm = mPermissions.get(name);
-        if (perm == null) {
-            perm = new PermissionEntry(name);
-            mPermissions.put(name, perm);
-        }
         int outerDepth = parser.getDepth();
         int type;
         while ((type=parser.next()) != XmlPullParser.END_DOCUMENT