# hooks addon to use iTALC vnc MasterEye
# need italc-client
# also copy xmessage instead of messageviewer
# that don't need qt libs

if [ ! ${TCOS_ITALC} ]; then
  _verbose "(60italc) TCOS_ITALC disabled"
else

 if [ -x /usr/bin/ica ]; then
  # new italc 1.0.0 version
  stat_before
   if [ ! -d /etc/italc/keys/public ]; then
     echo ""
     echo "ERROR:"
     echo "       You must create public/private iTALC keys:"
     echo ""
     echo "       # ica -role teacher -createkeypair "
     echo ""
   else
     cpifexists /usr/bin/ica              /usr/bin/
     mkdir -p $DESTDIR/etc/italc/keys
     cp -ra /etc/italc/keys/public       $DESTDIR/etc/italc/keys/
  cat <<EOF > $DESTDIR/sbin/startica
#!/bin/sh
# kill
killall ica >/dev/null 2>&1
sleep 4
export DISPLAY=:0

while [ 1 ]; do
  killall ica
  ica >/dev/null 2>&1
done

EOF
  chmod +x $DESTDIR/sbin/startica
   fi

  stat_after "iTalc 1.0.0"

 elif [ -x /usr/bin/ivs ]; then
  stat_before
  cpifexists /usr/bin/ivs              /usr/bin/
  cpifexists /usr/bin/demoviewer       /usr/bin/
  cpifexists /usr/bin/screenlocker     /usr/bin/
  
  #cpifexists /usr/bin/messageviewer    /usr/bin/
  # messageviewer need qt libs
  # ugly wrapper less ram

  cpifexists /usr/bin/xmessage    /usr/bin/
  # overwrite, not link
  rm $DESTDIR/usr/bin/xmessage
  cp $(pathof xmessage)            $DESTDIR/usr/bin/
  mv $DESTDIR/usr/bin/xmessage     $DESTDIR/usr/bin/messageviewer

  if [ ${TCOS_ADMIN_USER} ]; then
    # search public italc key
    if [ ! -f /etc/italc-client/public-keys/${TCOS_ADMIN_USER}.public ]; then
      # try to find in $HOME dir
      if [ "${TCOS_ADMIN_USER}" = "root" ]; then
        key=/root/.italc/id_rsa.public
      else
	home=$(getent passwd | grep "^${TCOS_ADMIN_USER}:" | awk -F":" '{print $6}')
        key=${home}/.italc/id_rsa.public
      fi
    else
      key=/etc/italc-client/public-keys/${TCOS_ADMIN_USER}.public
    fi
      
    if [ ! -f ${key} ]; then
        _echo "WARNING:"
        _echo "  ${key} not found"
        _echo "  You can generate running italc as ${TCOS_ADMIN_USER} for first time"
        _echo "  or running italc-keygen"
    else
        mkdir -p $DESTDIR/etc/italc-client/public-keys/
        cp ${key} $DESTDIR/etc/italc-client/public-keys/ 2>&1 > /dev/null
	mv $DESTDIR/etc/italc-client/public-keys/id_rsa.public $DESTDIR/etc/italc-client/public-keys/${TCOS_ADMIN_USER}.public 2>&1 > /dev/null
	cp $DESTDIR/etc/italc-client/public-keys/${TCOS_ADMIN_USER}.public $DESTDIR/etc/italc-client/public-keys/root.public 2>&1 > /dev/null
    fi

  else
    _echo "WARNING: Unknow TCOS_ADMIN_USER, iTALC need public user key to allow connections"
    _echo "  Please fill TCOS_ADMIN_USER value"
  fi
  
  
  
  cat <<EOF > $DESTDIR/sbin/startivs
#!/bin/sh
# kill and wait until Xorg is started
killall ivs >/dev/null 2>&1
sleep 1
DISPLAY=:0 ivs -o /tmp/ivs.log -noshm -forever -shared

#(start again if italc kill it ??)
#while [ 1 ] ; do
# killall -9 ivs >/dev/null 2>&1
# sleep 1
# DISPLAY=:0 ivs -o /tmp/ivs.log -noshm -forever -shared
# sleep 2
#done
exit 0
EOF
  chmod +x $DESTDIR/sbin/startivs
  stat_after "iTALC"

 else
   echo "WARNING:"
   echo ""
   echo "italc-client not found, install italc-client or disable TCOS_ITALC."
   echo "    => # apt-get install italc-client"
   echo ""
 fi

fi #end of TCOS_ITALC