the last post was about a fuse filesystem which provides a read-only access to the proprietary bluecoat filesystem. After some further investigations based on the possibilities this offered us, I started to implement a tool which allows to modify parts of the filesystem.
Protection Mechanisms
Since last time, the discovered filesystem structures still had unknown fields. Some of those fields could be reconstructed and their purpose in the whole construct. The format of the Partition-Header for example could now be described as