wpantund: Allow wpantund to call callbacks am: 0b2d26de

am: ee1f3f8f

Change-Id: Ic651be7bf039588bc65f697f24198483d6c1250b

public/wpantund.te

@@ -10,6 +10,13 @@ binder_call(wpantund, system_server)
 # wpantund needs to be able to check in with the lowpan_service
 allow wpantund lowpan_service:service_manager find;
 
+# Allow wpantund to call any callbacks that have been registered with it.
+# Generally, only privileged apps are able to register callbacks with
+# wpantund, so we are limiting the scope for callbacks to only privileged
+# apps. We also add shell to allow the command-line utility `lowpanctl`
+# to work properly from `adb shell`.
+allow wpantund {priv_app shell}:binder call;
+
 # create sockets to set interfaces up and down, add multicast groups, etc.
 allow wpantund self:udp_socket create_socket_perms;