#!/bin/sh
#
# Start jail <jailname> or all
# Usage: start <jailname>|all
#

LIBDIR="$(dirname $0)" && . "${LIBDIR}/config"

jail="${1:-}"
if [ ! -n "${jail}" ]; then
    "${LIBDIR}/bkctld-help" && exit 1
fi
[ -d "${JAILDIR}/${jail}" ] || error "${jail} : trying to start inexistant jail"
"${LIBDIR}/bkctld-is-on" "${jail}" && exit 0

cd "${JAILDIR}/${jail}"
grep -q "${JAILDIR}/${jail}/proc" /proc/mounts || mount -t proc "proc-${jail}" proc
grep -q "${JAILDIR}/${jail}/dev" /proc/mounts || mount -nt tmpfs "dev-${jail}" dev
[ -e "dev/console" ] || mknod -m 622 dev/console c 5 1
[ -e "dev/null" ] || mknod -m 666 dev/null c 1 3
[ -e "dev/zero" ] || mknod -m 666 dev/zero c 1 5
[ -e "dev/ptmx" ] || mknod -m 666 dev/ptmx c 5 2
[ -e "dev/tty" ] || mknod -m 666 dev/tty c 5 0
[ -e "dev/random" ] || mknod -m 444 dev/random c 1 8
[ -e "dev/urandom" ] || mknod -m 444 dev/urandom c 1 9
chown root:tty dev/console dev/ptmx dev/tty
ln -fs proc/self/fd dev/fd
ln -fs proc/self/fd/0 dev/stdin
ln -fs proc/self/fd/1 dev/stdout
ln -fs proc/self/fd/2 dev/stderr
ln -fs proc/kcore dev/core
mkdir -p dev/pts
mkdir -p dev/shm
grep -q "${JAILDIR}/${jail}/dev/pts" /proc/mounts || mount -t devpts -o gid=4,mode=620 none dev/pts
grep -q "${JAILDIR}/${jail}/dev/shm" /proc/mounts || mount -t tmpfs none dev/shm
chroot "${JAILDIR}/${jail}" /usr/sbin/sshd -E /var/log/authlog || error "${jail} : error on starting sshd"
pidfile="${JAILDIR}/${jail}/${SSHD_PID}"
for try in {1..10}; do
    [ -f "${pidfile}" ] || sleep 0.3
done
pid=$(cat "${pidfile}")
notice "${jail} was started [${pid}]"