commit 480fcd2750c1d30f3397d1f3152519a11f60990b
author Paul Crowley <paulcrowley@google.com> Mon Aug 24 14:53:28 2015 +0100
committer Paul Crowley <paulcrowley@google.com> Mon Aug 24 14:53:28 2015 +0100
tree 46142864380f7129ea6c89f3b068d4426a01a8b0
parent 008c1ac225c1ca29f38b57203d82a63f6f85b865

Set uid/gid of newly created user dirs to system/system.

Bug: 23395513
Change-Id: I3d76b77339f995103c0aec09c6de77b3c8cdc0dd

Ext4Crypt.cpp

diff --git a/Ext4Crypt.cpp b/Ext4Crypt.cpp
index 95cbfb7..c337dbb 100644
--- a/Ext4Crypt.cpp
+++ b/Ext4Crypt.cpp
@@ -15,6 +15,8 @@
 #include <cutils/properties.h>
 #include <openssl/sha.h>
 
+#include <private/android_filesystem_config.h>
+
 #include "unencrypted_properties.h"
 #include "key_control.h"
 #include "cryptfs.h"
@@ -585,6 +587,9 @@
     if (chmod(path, S_IRWXU | S_IRWXG | S_IXOTH) < 0) {
         return -1;
     }
+    if (chown(path, AID_SYSTEM, AID_SYSTEM) < 0) {
+        return -1;
+    }
     if (e4crypt_crypto_complete(DATA_MNT_POINT) == 0) {
         // ext4enc:TODO handle errors from this.
         e4crypt_set_user_policy(DATA_MNT_POINT, user_handle, path, true);