Add device, property, directory, and file permissions for VPN.
diff --git a/init/devices.c b/init/devices.c
index 49335a5..ac72b34 100644
--- a/init/devices.c
+++ b/init/devices.c
@@ -132,7 +132,8 @@
     { "/dev/qmi0",          0640,   AID_RADIO,      AID_RADIO,      0 },
     { "/dev/qmi1",          0640,   AID_RADIO,      AID_RADIO,      0 },
     { "/dev/qmi2",          0640,   AID_RADIO,      AID_RADIO,      0 },
-    { "/dev/tun",           0640,   AID_VPN  ,      AID_VPN,        0 },
+    { "/dev/ppp",           0660,   AID_RADIO,      AID_VPN,        0 },
+    { "/dev/tun",           0640,   AID_VPN,        AID_VPN,        0 },
     { NULL, 0, 0, 0, 0 },
 };
 
diff --git a/init/property_service.c b/init/property_service.c
index 48ca3ea..23a8821 100644
--- a/init/property_service.c
+++ b/init/property_service.c
@@ -67,6 +67,8 @@
     { "wlan.",		AID_SYSTEM },
     { "dhcp.",		AID_SYSTEM },
     { "dhcp.",		AID_DHCP },
+    { "vpn.",		AID_SYSTEM },
+    { "vpn.",		AID_VPN },
     { "debug.",		AID_SHELL },
     { "log.",		AID_SHELL },
     { "service.adb.root",	AID_SHELL },