#!/bin/sh -e

# Stub wrapper to be invoked by sshd ForceCommand, to trap a user inside a chroot

[ "$(id -u)" -eq 0 ] || exec sudo ORIG_USER="${USER}" ORIG_SHELL="${SHELL}" SSH_CLIENT="${SSH_CLIENT}" SSH_CONNECTION="${SSH_CONNECTION}" SSH_ORIGINAL_COMMAND="${SSH_ORIGINAL_COMMAND}" "${0}" "${@}"

jname="${1}"

cd "$(dirname "$(dirname "${0}")")"
if [ "${SSH_ORIGINAL_COMMAND}" ]
then
  USER="${ORIG_USER}" j/eval "${jname}" "cd; ${SSH_ORIGINAL_COMMAND}"
else
  echo "You are now entering the ${jname} chroot" >&2
  USER="${ORIG_USER}" j/enter "${jname}"
fi