#!/bin/sh

jail=$1
user=$2
me=$(id -u)
jid=""

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

if test -z "$jail"; then
    jid=$(jls | head -2 | tail -1 | awk '{print $1}')
    jail=$(jls | head -2 | tail -1 | awk '{print $2}')
else
    jid=$(jls | grep "$jail" | awk '{print $1}')
fi

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
jexec=jexec

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

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

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