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shorewall_code/Shorewall/install.sh
teastep 3d9d913b4b 1.4.6_2003-731 plus idiot-proofing of the policy file 
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@682 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
2003-08-01 02:49:12 +00:00

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#!/bin/sh
#
# Script to install Shoreline Firewall
#
# This program is under GPL [http://www.gnu.org/copyleft/gpl.htm]
#
# (c) 2000,2001,2002,2003 - Tom Eastep (teastep@shorewall.net)
#
# Seawall documentation is available at http://seawall.sourceforge.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of Version 2 of the GNU General Public License
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
#
# Usage:
#
# If you are running a distribution that has a directory called /etc/rc.d/init.d or one
# called /etc/init.d or you are running Slackware then simply cd to the directory
# containing this script and run it.
#
# ./install.sh
#
# If you don't have either of those directories, you will need to determine where the
# SysVInit scripts are kept on your system and pass the name of that directory.
#
# ./install.sh /etc/rc.d/scripts
#
# The default is that the firewall will be started in run levels 2-5 starting at
# position 15 and stopping at position 90. This is correct RedHat/Mandrake, Debian,
# Caldera and Corel.
#
# If you wish to change that, you can pass -r "<levels startpos stoppos>".
#
# Example 1: You wish to start your firewall in runlevels 2 and three, start at position
# 15 and stop at position 90
#
# ./install.sh -r "23 15 90"
#
# Example 2: You wish to start your firewall only in run level 3, start at position 5
# and stop at position 95.
#
# ./install.sh -r "3 5 95" /etc/rc.d/scripts
#
# For distributions that don't include chkconfig (Slackware, for example), the
# /etc/rc.d/rc.local file is modified to start the firewall.
#
VERSION=1.4.6-20030731
usage() # $1 = exit status
{
ME=`basename $0`
echo "usage: $ME [ -r \"<chkconfig parameters>\" ] [ <init scripts directory> ]"
echo " $ME [ -v ]"
echo " $ME [ -h ]"
exit $1
}
run_install()
{
if ! install $*; then
echo
echo "ERROR: Failed to install $*"
exit 1
fi
}
cant_autostart()
{
echo
echo "WARNING: Unable to configure Shorewall to start"
echo " automatically at boot"
}
backup_file() # $1 = file to backup
{
if [ -z "$PREFIX" -a -f $1 -a ! -f ${1}-${VERSION}.bkout ]; then
if (cp $1 ${1}-${VERSION}.bkout); then
echo
echo "$1 saved to ${1}-${VERSION}.bkout"
else
exit 1
fi
fi
}
delete_file() # $1 = file to delete
{
if [ -z "$PREFIX" -a -f $1 -a ! -f ${1}-${VERSION}.bkout ]; then
if (mv $1 ${1}-${VERSION}.bkout); then
echo
echo "$1 moved to ${1}-${VERSION}.bkout"
else
exit 1
fi
fi
}
modify_rclocal()
{
if [ -f /etc/rc.d/rc.local ]; then
if [ -z "`grep shorewall /etc/rc.d/rc.local`" ]; then
cp -f /etc/rc.d/rc.local /etc/rc.d/rc.local-shorewall.bkout
echo >> /etc/rc.d/rc.local
echo "/sbin/shorewall start" >> /etc/rc.d/rc.local
echo "/etc/rc.d/rc.local modified to start Shorewall"
fi
else
cant_autostart
fi
}
install_file_with_backup() # $1 = source $2 = target $3 = mode
{
backup_file $2
run_install -o $OWNER -g $GROUP -m $3 $1 ${2}
}
#
# Parse the run line
#
# DEST is the SysVInit script directory
# RUNLEVELS is the chkconfig parmeters for firewall
# ARGS is "yes" if we've already parsed an argument
#
DEST=""
RUNLEVELS=""
ARGS=""
if [ -z "$OWNER" ] ; then
OWNER=root
fi
if [ -z "$GROUP" ] ; then
GROUP=root
fi
while [ $# -gt 0 ] ; do
case "$1" in
-h|help|?)
if [ -n "$ARGS" ]; then
usage 1
fi
usage 0
;;
-r)
if [ -n "$RUNLEVELS" -o $# -eq 1 ]; then
usage 1
fi
RUNLEVELS="$2";
shift
;;
-v)
if [ -n "$ARGS" ]; then
usage 1
fi
echo "Shorewall Firewall Installer Version $VERSION"
exit 0
;;
*)
if [ -n "$DEST" ]; then
usage 1
fi
DEST="$1"
;;
esac
shift
ARGS="yes"
done
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/usr/local/sbin
#
# Determine where to install the firewall script
#
if [ -n "$PREFIX" ]; then
install -d -o $OWNER -g $GROUP -m 755 ${PREFIX}/sbin
install -d -o $OWNER -g $GROUP -m 755 ${PREFIX}${DEST}
fi
FIREWALL="shorewall"
if [ -z "$DEST" ]; then
#
# We make this first test so that on RedHat systems that have Seawall installed,
# we can still use PREFIX (the code that reads the existing symbolic link
# fails dreadfully if the link is relative and PREFIX is non-null).
#
if [ -x /etc/rc.d/init.d/firewall ]; then
DEST=/etc/rc.d/init.d
elif [ -L /etc/shorewall/firewall ]; then
TEMP=`ls -l /etc/shorewall/firewall | sed 's/^.*> //'`
DEST=`dirname $TEMP`
FIREWALL=`basename $TEMP`
elif [ -d /etc/rc.d/init.d ]; then
DEST=/etc/rc.d/init.d
elif [ -d /etc/init.d ]; then
DEST=/etc/init.d
elif [ -f /etc/rc.d/rc.local ]; then
DEST=/etc/rc.d
FIREWALL="rc.shorewall"
else
echo "ERROR: Can't determine where to install the firewall script"
echo " Rerun $0 passing the name of the SysVInit script directory"
echo " on your system"
exit 1
fi
fi
#
# Change to the directory containing this script
#
cd "`dirname $0`"
echo "Installing Shorewall Version $VERSION"
#
# Check for /etc/shorewall
#
if [ -d ${PREFIX}/etc/shorewall ]; then
first_install=""
else
first_install="Yes"
fi
install_file_with_backup shorewall ${PREFIX}/sbin/shorewall 0544
echo
echo "Shorewall control program installed in ${PREFIX}/sbin/shorewall"
#
# Install the Firewall Script
#
if [ -n "$RUNLEVELS" ]; then
#
# User specified chkconfig parameters -- build an awk script to install them
# in the firewall script
#
echo "/# chkconfig/ { print \"# chkconfig: $RUNLEVELS\" ; next }" > awk.temp
echo "{ print }" >> awk.temp
awk -f awk.temp init.sh > init.temp
if [ $? -ne 0 ]; then
echo
echo "ERROR: Error running awk."
echo " You must run `basename $0` without the "-r" option then edit"
echo " $DEST/$FIREWALL manually (line beginning '# chkconfig:')"
exit 1
fi
install_file_with_backup init.temp ${PREFIX}${DEST}/$FIREWALL 0544
rm -f init.temp awk.tmp
else
install_file_with_backup init.sh ${PREFIX}${DEST}/$FIREWALL 0544
fi
echo
echo "Shorewall script installed in ${PREFIX}${DEST}/$FIREWALL"
#
# Create /etc/shorewall, /usr/share/shorewall and /var/shorewall if needed
#
mkdir -p ${PREFIX}/etc/shorewall
mkdir -p ${PREFIX}/usr/share/shorewall
mkdir -p ${PREFIX}/var/lib/shorewall
#
# Install the config file
#
if [ -f ${PREFIX}/etc/shorewall/shorewall.conf ]; then
backup_file /etc/shorewall/shorewall.conf
else
run_install -o $OWNER -g $GROUP -m 0744 shorewall.conf ${PREFIX}/etc/shorewall/shorewall.conf
echo
echo "Config file installed as ${PREFIX}/etc/shorewall/shorewall.conf"
fi
#
# Install the zones file
#
if [ -f ${PREFIX}/etc/shorewall/zones ]; then
backup_file /etc/shorewall/zones
else
run_install -o $OWNER -g $GROUP -m 0744 zones ${PREFIX}/etc/shorewall/zones
echo
echo "Zones file installed as ${PREFIX}/etc/shorewall/zones"
fi
#
# Install the functions file
#
if [ -f ${PREFIX}/etc/shorewall/functions ]; then
backup_file ${PREFIX}/etc/shorewall/functions
rm -f ${PREFIX}/etc/shorewall/functions
fi
if [ -f ${PREFIX}/var/lib/shorewall/functions ]; then
backup_file ${PREFIX}/var/lib/shorewall/functions
rm -f ${PREFIX}/var/lib/shorewall/functions
fi
install_file_with_backup functions ${PREFIX}/usr/share/shorewall/functions 0444
echo
echo "Common functions installed in ${PREFIX}/usr/share/shorewall/functions"
#
# Install the Help file
#
install_file_with_backup help ${PREFIX}/usr/share/shorewall/help 0544
echo
echo "Help command executor installed in ${PREFIX}/usr/share/shorewall/help"
#
# Install the common.def file
#
install_file_with_backup common.def ${PREFIX}/etc/shorewall/common.def 0444
echo
echo "Common rules installed in ${PREFIX}/etc/shorewall/common.def"
#
# Delete the icmp.def file
#
delete_file icmp.def
#
# Install the policy file
#
if [ -f ${PREFIX}/etc/shorewall/policy ]; then
backup_file /etc/shorewall/policy
else
run_install -o $OWNER -g $GROUP -m 0600 policy ${PREFIX}/etc/shorewall/policy
echo
echo "Policy file installed as ${PREFIX}/etc/shorewall/policy"
fi
#
# Install the interfaces file
#
if [ -f ${PREFIX}/etc/shorewall/interfaces ]; then
backup_file /etc/shorewall/interfaces
else
run_install -o $OWNER -g $GROUP -m 0600 interfaces ${PREFIX}/etc/shorewall/interfaces
echo
echo "Interfaces file installed as ${PREFIX}/etc/shorewall/interfaces"
fi
#
# Install the hosts file
#
if [ -f ${PREFIX}/etc/shorewall/hosts ]; then
backup_file /etc/shorewall/hosts
else
run_install -o $OWNER -g $GROUP -m 0600 hosts ${PREFIX}/etc/shorewall/hosts
echo
echo "Hosts file installed as ${PREFIX}/etc/shorewall/hosts"
fi
#
# Install the rules file
#
if [ -f ${PREFIX}/etc/shorewall/rules ]; then
backup_file /etc/shorewall/rules
else
run_install -o $OWNER -g $GROUP -m 0600 rules ${PREFIX}/etc/shorewall/rules
echo
echo "Rules file installed as ${PREFIX}/etc/shorewall/rules"
fi
#
# Install the NAT file
#
if [ -f ${PREFIX}/etc/shorewall/nat ]; then
backup_file /etc/shorewall/nat
else
run_install -o $OWNER -g $GROUP -m 0600 nat ${PREFIX}/etc/shorewall/nat
echo
echo "NAT file installed as ${PREFIX}/etc/shorewall/nat"
fi
#
# Install the Parameters file
#
if [ -f ${PREFIX}/etc/shorewall/params ]; then
backup_file /etc/shorewall/params
else
run_install -o $OWNER -g $GROUP -m 0600 params ${PREFIX}/etc/shorewall/params
echo
echo "Parameter file installed as ${PREFIX}/etc/shorewall/params"
fi
#
# Install the proxy ARP file
#
if [ -f ${PREFIX}/etc/shorewall/proxyarp ]; then
backup_file /etc/shorewall/proxyarp
else
run_install -o $OWNER -g $GROUP -m 0600 proxyarp ${PREFIX}/etc/shorewall/proxyarp
echo
echo "Proxy ARP file installed as ${PREFIX}/etc/shorewall/proxyarp"
fi
#
# Install the Stopped Routing file
#
if [ -f ${PREFIX}/etc/shorewall/routestopped ]; then
backup_file /etc/shorewall/routestopped
else
run_install -o $OWNER -g $GROUP -m 0600 routestopped ${PREFIX}/etc/shorewall/routestopped
echo
echo "Stopped Routing file installed as ${PREFIX}/etc/shorewall/routestopped"
fi
#
# Install the Mac List file
#
if [ -f ${PREFIX}/etc/shorewall/maclist ]; then
backup_file /etc/shorewall/maclist
else
run_install -o $OWNER -g $GROUP -m 0600 maclist ${PREFIX}/etc/shorewall/maclist
echo
echo "MAC list file installed as ${PREFIX}/etc/shorewall/maclist"
fi
#
# Install the Masq file
#
if [ -f ${PREFIX}/etc/shorewall/masq ]; then
backup_file /etc/shorewall/masq
else
run_install -o $OWNER -g $GROUP -m 0600 masq ${PREFIX}/etc/shorewall/masq
echo
echo "Masquerade file installed as ${PREFIX}/etc/shorewall/masq"
fi
#
# Install the Modules file
#
if [ -f ${PREFIX}/etc/shorewall/modules ]; then
backup_file /etc/shorewall/modules
else
run_install -o $OWNER -g $GROUP -m 0600 modules ${PREFIX}/etc/shorewall/modules
echo
echo "Modules file installed as ${PREFIX}/etc/shorewall/modules"
fi
#
# Install the TC Rules file
#
if [ -f ${PREFIX}/etc/shorewall/tcrules ]; then
backup_file /etc/shorewall/tcrules
else
run_install -o $OWNER -g $GROUP -m 0600 tcrules ${PREFIX}/etc/shorewall/tcrules
echo
echo "TC Rules file installed as ${PREFIX}/etc/shorewall/tcrules"
fi
#
# Install the TOS file
#
if [ -f ${PREFIX}/etc/shorewall/tos ]; then
backup_file /etc/shorewall/tos
else
run_install -o $OWNER -g $GROUP -m 0600 tos ${PREFIX}/etc/shorewall/tos
echo
echo "TOS file installed as ${PREFIX}/etc/shorewall/tos"
fi
#
# Install the Tunnels file
#
if [ -f ${PREFIX}/etc/shorewall/tunnels ]; then
backup_file /etc/shorewall/tunnels
else
run_install -o $OWNER -g $GROUP -m 0600 tunnels ${PREFIX}/etc/shorewall/tunnels
echo
echo "Tunnels file installed as ${PREFIX}/etc/shorewall/tunnels"
fi
#
# Install the blacklist file
#
if [ -f ${PREFIX}/etc/shorewall/blacklist ]; then
backup_file /etc/shorewall/blacklist
else
run_install -o $OWNER -g $GROUP -m 0600 blacklist ${PREFIX}/etc/shorewall/blacklist
echo
echo "Blacklist file installed as ${PREFIX}/etc/shorewall/blacklist"
fi
#
# Backup and remove the whitelist file
#
if [ -f ${PREFIX}/etc/shorewall/whitelist ]; then
backup_file /etc/shorewall/whitelist
rm -f ${PREFIX}/etc/shorewall/whitelist
fi
#
# Install the rfc1918 file
#
if [ -f ${PREFIX}/etc/shorewall/rfc1918 ]; then
backup_file /etc/shorewall/rfc1918
else
run_install -o $OWNER -g $GROUP -m 0600 rfc1918 ${PREFIX}/etc/shorewall/rfc1918
echo
echo "RFC 1918 file installed as ${PREFIX}/etc/shorewall/rfc1918"
fi
#
# Install the init file
#
if [ -f ${PREFIX}/etc/shorewall/init ]; then
backup_file /etc/shorewall/init
else
run_install -o $OWNER -g $GROUP -m 0600 init ${PREFIX}/etc/shorewall/init
echo
echo "Init file installed as ${PREFIX}/etc/shorewall/init"
fi
#
# Install the start file
#
if [ -f ${PREFIX}/etc/shorewall/start ]; then
backup_file /etc/shorewall/start
else
run_install -o $OWNER -g $GROUP -m 0600 start ${PREFIX}/etc/shorewall/start
echo
echo "Start file installed as ${PREFIX}/etc/shorewall/start"
fi
#
# Install the stop file
#
if [ -f ${PREFIX}/etc/shorewall/stop ]; then
backup_file /etc/shorewall/stop
else
run_install -o $OWNER -g $GROUP -m 0600 stop ${PREFIX}/etc/shorewall/stop
echo
echo "Stop file installed as ${PREFIX}/etc/shorewall/stop"
fi
#
# Install the stopped file
#
if [ -f ${PREFIX}/etc/shorewall/stopped ]; then
backup_file /etc/shorewall/stopped
else
run_install -o $OWNER -g $GROUP -m 0600 stopped ${PREFIX}/etc/shorewall/stopped
echo
echo "Stopped file installed as ${PREFIX}/etc/shorewall/stopped"
fi
#
# Install the ECN file
#
if [ -f ${PREFIX}/etc/shorewall/ecn ]; then
backup_file /etc/shorewall/ecn
else
run_install -o $OWNER -g $GROUP -m 0600 ecn ${PREFIX}/etc/shorewall/ecn
echo
echo "ECN file installed as ${PREFIX}/etc/shorewall/ecn"
fi
#
# Backup the version file
#
if [ -z "$PREFIX" ]; then
if [ -f /usr/share/shorewall/version ]; then
backup_file /usr/share/shorewall/version
elif [ -f /usr/lib/shorewall/version ]; then
backup_file /usr/lib/shorewall/version
elif [ -n "$oldversion" ]; then
echo $oldversion > /usr/lib/shorewall/version-${VERSION}.bkout
else
echo "Unknown" > /usr/lib/shorewall/version-${VERSION}.bkout
fi
fi
#
# Create the version file
#
echo "$VERSION" > ${PREFIX}/usr/share/shorewall/version
chmod 644 ${PREFIX}/usr/share/shorewall/version
#
# Remove and create the symbolic link to the init script
#
if [ -z "$PREFIX" ]; then
rm -f /etc/shorewall/firewall
rm -f /var/lib/shorewall/firewall
[ -L /usr/lib/shorewall/firewall ] && \
mv -f /usr/lib/shorewall/firewall /usr/lib/shorewall/firewall-${VERSION}.bkout
rm -f /usr/lib/shorewall/init
rm -f /usr/share/shorewall/init
ln -s ${DEST}/${FIREWALL} /usr/share/shorewall/init
fi
#
# Install the firewall script
#
install_file_with_backup firewall ${PREFIX}/usr/share/shorewall/firewall 0544
if [ -z "$PREFIX" -a -n "$first_install" ]; then
if [ -x /sbin/insserv -o -x /usr/sbin/insserv ]; then
if insserv /etc/init.d/shorewall ; then
echo
echo "Firewall will start automatically at boot"
else
cant_autostart
fi
elif [ -x /sbin/chkconfig -o -x /usr/sbin/chkconfig ]; then
if chkconfig --add $FIREWALL ; then
echo
echo "Firewall will start automatically in run levels as follows:"
chkconfig --list $FIREWALL
else
cant_autostart
fi
elif [ -x /sbin/rc-update ]; then
if rc-update add shorewall default; then
echo
echo "Firewall will start automatically at boot"
else
cant_autostart
fi
else
modify_rclocal
fi
echo \
"########################################################################
# REMOVE THIS FILE AFTER YOU HAVE CONFIGURED SHOREWALL #
########################################################################" > /etc/shorewall/startup_disabled
fi
#
# Report Success
#
echo
echo "Shorewall Version $VERSION Installed"
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