message: validate padding between header and body
message: validate padding between header and body

During message verification, we split the CDVar in two, one for the
generic header, and a dynamic one for the body. Hence, the CDVar itself
never reads the padding between both. We must do that manually.

Signed-off-by: David Herrmann <fb53b2ddb8d141e0cb39d7c67c2f81b6bc2eb0f7@gmail.com>

bus1/dbus-broker