#!/bin/sh
#
# by areq 2024-10
#

DEST="$1"

if [ "${#DEST}" -lt 3 ]; then
  echo $0 dir - podaj istniejacy katalog do chroot
  exit
fi

DEST="$(readlink -f $DEST)"

if [ ! -d "$DEST"  ]; then
  echo "Katalog $DEST - musi istniec"
  exit
fi

if [ "$(ls -A "$DEST")"  ]; then
 echo "Katalog $DEST - musi byc pusty"
 exit
fi

if [ -f /bin/busybox ]; then
  TAR="/bin/busybox tar"
else
  TAR="tar"
fi

echo "Start creating chroot in $DEST"

wget https://downloads.openwrt.org/releases/18.06.9/targets/armvirt/32/openwrt-18.06.9-armvirt-32-default-rootfs.tar.gz -O /tmp/rootfs.tar.gz

cd "$DEST"
$TAR  xzpf /tmp/rootfs.tar.gz
rm -f /tmp/rootfs.tar.gz

rm -f "${DEST}/etc/resolv.conf"
echo "nameserver 1.1.1.1" > "${DEST}/etc/resolv.conf"
mkdir -p "${DEST}/var/lock/" "${DEST}/var/run/"

chroot "$DEST" /bin/sh -c "opkg update; opkg install libopenssl libusb-1.0 libpcsclite pcscd ccid pcsc-tools"
rm "${DEST}/var/opkg-lists/op*"

wget http://areq.eu.org/e2/oscam/arm-openwrt/oscam-CyCeCpl-11823-arm-openwrt-linux-muslgnueabi-ssl-libusb-pcsc -O "$DEST/bin/oscam"
wget http://areq.eu.org/e2/oscam/arm-openwrt/run.sh -O "$DEST/run.sh"
chmod +x "$DEST/bin/oscam" "$DEST/run.sh" 
chroot "$DEST" /bin/oscam -V

echo 
echo OK
echo "Dodaj do automatycznego uruchamiania:  $DEST/run.sh"
echo