Make passhport more transparent for user

It is possible to configure passhport in a way that it is pretty transparent for users.

First you need to allow passing a the environment variable PASSHPORT_TARGET to sshd:

echo "AcceptEnv PASSHPORT_TARGET" >> /etc/ssh/sshd_config
systemctl restart ssh

Then you can setup a ssh client like this :

Host myhost
  User passhport
  Hostname mybastion
  SetEnv PASSHPORT_TARGET=myhost
  SendEnv PASSHPORT_TARGET

And then use ssh normally

ssh myhost

or in a command line (e.g for automation tools)

PASSHPORT_TARGET=myhost ssh -o "SendEnv PASSHPORT_TARGET" passhport@mybastion