A simple contrained custom shell to be used with remote ssh sessions via ForceCommand

Usage

Set user's command to be executed via SSH_ORIGINAL_COMMAND environment variable. Pass a list of allowed commands that can be run as a base64 encoding of following yaml

allowedCommands:
 - whoami
 - ifconfig

Example

SSH_ORIGINAL_COMMAND=whoami 
jea-sh YWxsb3dlZENvbW1hbmRzOgogLSB3aG9hbWkKIC0gaWZjb25maWc=
>    localuser

SSH_ORIGINAL_COMMAND=date
jea-sh YWxsb3dlZENvbW1hbmRzOgogLSB3aG9hbWkKIC0gaWZjb25maWc= 
-    unauthorized