#!/bin/bash
#
# vhost-stack
# https://git.stack-source.com/msb/vhost-stack
# MIT License Copyright (c) 2021 Matthew Saunders Brown

# load include file
source $(dirname $0)/vhost.sh

help()
{
  thisfilename=$(basename -- "$0")
  echo "Jail specified user."
  echo ""
  echo "usage: $thisfilename username"
  echo ""
  echo "  -h            Print this help."
  exit
}

# check for and set username
if [ -n "$1" ]; then
  if [ $1 == "-h" ]; then
    help
  else
    username="${1,,}"
    shift
  fi
else
  echo "username not set"
  exit 1
fi

if ! grep -q "^$username:" /etc/passwd; then
  echo "$username is not installed on this server"
  exit 1
fi

if [[ ! -d /home/$username ]]; then
  echo "/home/$username does not exists"
  exit 1
fi

if [[ -d "/usr/jails/$username" ]]; then
  echo "/usr/jails/$username already exists"
  exit 1
fi

if grep -q ":/usr/jails/$username/./home/$username:" /etc/passwd; then
  echo "$username already has jail home dir set"
  exit 1
fi

jk_init -k -j /usr/jails/$username shellstack
mkdir -p /usr/jails/$username/opt /usr/jails/$username/usr/sbin /usr/jails/$username/tmp /usr/jails/$username/srv/www
ln -s /usr/local/sbin/mini_sendmail /usr/jails/$username/usr/sbin/sendmail
chmod a+rwx /usr/jails/$username/tmp
install -d -o $username -g $username -m 755 /usr/jails/$username/home/$username
mount --bind /home/$username /usr/jails/$username/home/$username
echo "/home/$username /usr/jails/$username/home/$username none bind 0 0" >> /etc/fstab.jails
killall jk_socketd
jk_socketd
jk_jailuser -n -j /usr/jails/$username -s /bin/bash $username