File debian.tinyproxy.init of Package TinyProxy

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File debian.tinyproxy.init of Package TinyProxy

#!/bin/sh
### BEGIN INIT INFO
# Provides:          netpolicetiny
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start, stop scrippt
# Description:       initialize script for NetpoliceTiny
### END INIT INFO
#
# NetpoliceTiny init.d script
# Author: CAIR <support@cair.ru>

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
CONFIG=/etc/netpolicetiny.conf     # Configure file
CONFIG_FILTER=/etc/netpolicetiny.filter.conf     # Configure file
DAEMON=/usr/sbin/netpolicetiny # Introduce the server's location here
DESC=netpolicetiny             # Introduce a short description here
NAME=netpolicetiny             # Introduce the short server's name here
FLAGS="-f $CONFIG_FILTER"
IPT=                           # Path to iptables

if [ -r /etc/default/netpolicetiny ]; then
    . /etc/default/netpolicetiny
fi

test -f $DAEMON || exit 0

set -e

# assert pidfile directory and permissions
if [ "$1" != "stop" ]; then
    if [ -f "$CONFIG" ]; then
        USER=$(grep    -i '^User[[:space:]]'    "$CONFIG" | awk '{print $2}')
        GROUP=$(grep   -i '^Group[[:space:]]'   "$CONFIG" | awk '{print $2}')
        PORT=$(grep    -i '^Port[[:space:]]'    "$CONFIG" | awk '{print $2}')
        PIDFILE=$(grep -i '^PidFile[[:space:]]' "$CONFIG" | awk '{print $2}' |\
          sed -e 's/"//g')
        PIDDIR=`dirname "$PIDFILE"`
        if [ -n "$PIDDIR" -a "$PIDDIR" != "/var/run" ]; then
	    if [ ! -d "$PIDDIR" ]; then
                mkdir "$PIDDIR"
            fi
            if [ "$USER" ]; then
                chown "$USER" "$PIDDIR"
            fi
            if [ "$GROUP" ]; then
                chgrp "$GROUP" "$PIDDIR"
            fi
        fi
    fi
fi

setup_rules() {
    echo -n "Add IPtables rules..."
    $IPT -t nat -N in
    $IPT -t nat -N out
    $IPT -t nat -A PREROUTING -p tcp -m tcp --sport 1024:65535 --dport 80 -j in
    $IPT -t nat -A OUTPUT -p tcp -m tcp --sport 32768:61000 --dport 80 -j out
    $IPT -t nat -A in -p tcp -j REDIRECT --to-ports $PORT
    $IPT -t nat -A out -m owner --uid-owner $USER -j RETURN
    $IPT -t nat -A out -d 127.0.0.1/32 -j RETURN
    $IPT -t nat -A out -p tcp -j REDIRECT --to-ports $PORT
    echo  "Done"
}

unsetup_rules() {
    echo -n "Remove IPtables rules..."
    $IPT -t nat -F in 
    $IPT -t nat -F out
    $IPT -t nat -D PREROUTING -p tcp -m tcp --sport 1024:65535 --dport 80 -j in
    $IPT -t nat -D OUTPUT -p tcp -m tcp --sport 32768:61000 --dport 80 -j out
    $IPT -t nat -X in
    $IPT -t nat -X out
    echo "Done"
}

case "$1" in
    start)
        setup_rules
	    echo -n "Starting $DESC: "
    	start-stop-daemon --start --quiet -o --exec $DAEMON -- $FLAGS
    	echo "$NAME."
        ;;
    stop)
        unsetup_rules
      	echo -n "Stopping $DESC: "
    	start-stop-daemon --stop --quiet -o --exec $DAEMON
    	echo "$NAME."
    	;;
    reload|force-reload)
    	echo "Reloading $DESC configuration files."
    	start-stop-daemon --stop --signal 1 --quiet -o --exec $DAEMON
    	;;
    restart)
    	echo -n "Restarting $DESC: "
	    start-stop-daemon --stop --quiet -o --exec $DAEMON
    	sleep 1
    	start-stop-daemon --start --quiet -o --exec $DAEMON -- $FLAGS
    	echo "$NAME."
    	;;
    *)
	    N=/etc/init.d/$NAME
    	echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
    	exit 1
    	;;
esac

exit 0

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