#!/bin/sh

jail=$1
user=$2
me=`id -u`
jexec="jexec"

if test "$jail" = "-h"; then
    echo "jlogin [jail] [user]"
    exit
fi

if test -z "$jail"; then
    vars=$(jls -n | head -1)
    eval $vars
fi
jid=""
jid=`jls | grep "$jail" | awk '{print $1}'`

if test -z "$jid"; then
    echo "jail $jail doesn't run!"
    exit 1
fi

shell=/bin/csh
home=/home/$user
term=vt100
path=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
chroot="$j/run/$jail"

if test -z "$user"; then
    user=root
    home=/root
fi

if test -e $chroot/$home/.bashrc; then
    shell=/usr/local/bin/bash
fi

if test "$me" != "0"; then
    jexec="sudo $jexec"
fi

echo "# Logging into jail $jail with jid $jid #"
env - JAIL=$jail HOME=$home TERM=$term SHELL=$shell PATH=$path $jexec -U $user $jid $shell