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✏️ Editing: ferm Read Only

#!/bin/sh
#
# ferm          Configure ferm firewall rules from /etc/ferm.conf
#
#               Written by Max Kellermann <max@duempel.org>
#
# Version:      $Revision: 325 $
### BEGIN INIT INFO
# Provides:          ferm
# Required-Start:    $network $remote_fs
# Required-Stop:     $network $remote_fs
# Default-Start:     S
# Default-Stop:	      
# Description: Starts ferm firewall configuration 
# short-description: ferm firewall configuration
### END INIT INFO

#includes lsb functions 
. /lib/lsb/init-functions

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
FERM=/usr/sbin/ferm
CONFIG=/etc/ferm/ferm.conf
NAME=ferm
DESC="Firewall"
CACHE_DIR=/var/cache/ferm

test -x $FERM || exit 0

umask 0077

unset ENABLED
FAST=yes
CACHE=no
OPTIONS=
unset DOMAINS
[ -r /etc/default/ferm ] && . /etc/default/ferm

test -f "$CONFIG" || exit 0

if [ -n "$DOMAINS" ]; then
    echo "Warning: the DOMAINS setting in /etc/default/ferm is deprecated." >&2
fi

if [ "$ENABLED" != "yes"  ]; then
    if [ "$VERBOSE" != no ]; then
        if [ -z "$ENABLED" ]; then
            echo "Not starting ferm - run 'dpkg-reconfigure ferm' to enable it"
        else
            echo "Not starting ferm - edit /etc/default/ferm to enable it"
        fi
    fi
    exit 0
fi

[ "$CACHE" = "yes" -a ! -d $CACHE_DIR ] && CACHE=no
[ "$CACHE" = "yes" -a ! -w $CACHE_DIR ] && CACHE=no

set -e

configure_ferm() {
    local CACHE_NAME=${1:-start}

if [ "$CACHE" = "yes" ]; then
        local CACHE_FILE=$CACHE_DIR/$CACHE_NAME.sh

# The .kernel file saves the kernel version number (copy of
        # /proc/version).  It is used to ensure that ferm is re-run
        # after a kernel upgrade.

if ! diff /proc/version $CACHE_FILE.kernel >/dev/null 2>&1 || \
            ! [ -f $CACHE_FILE -a \
            $CACHE_FILE -nt $CONFIG -a \
            -z "`find /etc/ferm -maxdepth 2 -newer $CACHE_FILE 2>/dev/null`" -a \
            $CACHE_FILE -nt /etc/default/ferm -a \
            $CACHE_FILE -nt /etc/init.d/ferm -a \
            $CACHE_FILE -nt $FERM ]; then
            rm -f "$CACHE_FILE" "$CACHE_FILE".tmp "$CACHE_FILE".kernel || return $?
            if [ "$FAST" = "yes" ]; then
                $FERM $OPTIONS --shell $CONFIG >$CACHE_FILE.tmp || return $?
            else
                $FERM $OPTIONS --shell --slow $CONFIG >$CACHE_FILE.tmp || return $?
            fi
            cp /proc/version $CACHE_FILE.kernel
            mv $CACHE_FILE.tmp $CACHE_FILE || return $?
        else
            . $CACHE_FILE || return $?
        fi
    else
        if [ "$FAST" = "yes" ]; then
            $FERM $OPTIONS $CONFIG || return $?
        else
            $FERM $OPTIONS --slow $CONFIG || return $?
        fi
    fi
}

case "$1" in
    start)
        log_daemon_msg "Starting $DESC" "$NAME"
        if configure_ferm; then
		log_end_msg $?
	else
		log_end_msg $?

if ! test "$VERBOSE" = no -o -f /proc/net/ip_tables_names; then
			log_warning_msg "Looks like the ip_tables module is not loaded, see /etc/modules"
		fi
	fi
        ;;
    stop)
        log_daemon_msg "Stopping $DESC" "$NAME"
        OPTIONS="$OPTIONS --flush"
        configure_ferm stop
        log_end_msg $?
        ;;
    reload|restart|force-reload)
        log_begin_msg "Reloading $DESC configuration..."
        configure_ferm
        log_end_msg $?
        ;;
    *)
        N=/etc/init.d/$NAME
        log_action_msg "Usage: $N {start|stop|restart|reload|force-reload}"
        exit 1
        ;;
esac

exit 0

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