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>
Filter device access, whitelist several commonly used operations that
should be safe (eg. query keyboard layout).
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
