Whitelisting some XI operations in various hooks.
Note that some additional filtering needs to be done in send or
receive hook in order to prevent clients to receive possibly sensible
input data from the root window.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
CreateWindow() needs access to root window, in order to create
top level windows. Whitelisting this operation.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>