preinst is in sanewall 1.0.2+ds-2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
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set -e
if [ -d /etc/firehol -a ! -d /etc/sanewall ]; then
echo
echo
echo "Copying the existing FireHOL configuration folder into a Sanewall one."
cp -prd /etc/firehol /etc/sanewall
if [ -f /etc/sanewall/firehol.conf ]; then
echo "Roughly adapting the existing FireHOL configuration file into a Sanewall one."
cat > /etc/sanewall/sanewall.conf <<-EOF
# Sanewall configuration file
# See sanewall.conf(5) manual page and Sanewall Manual for details.
#
# This configuration file was roughly adapted from the then existing
# FireHOL one; it might be revisited by hand.
#
# Instate default FireHOL behaviour (defaults changed in Sanewall)
SANEWALL_INPUT_ACTIVATION_POLICY="ACCEPT"
SANEWALL_OUTPUT_ACTIVATION_POLICY="ACCEPT"
SANEWALL_FORWARD_ACTIVATION_POLICY="ACCEPT"
SANEWALL_ESTABLISHED_ACTIVATION_ACCEPT="0"
EOF
sed -e 's/FIREHOL/SANEWALL/g' -e 's@FireHOL@Sanewall@g' /etc/sanewall/firehol.conf >> /etc/sanewall/sanewall.conf
chown --reference /etc/sanewall/firehol.conf /etc/sanewall/sanewall.conf
chmod --reference /etc/sanewall/firehol.conf /etc/sanewall/sanewall.conf
rm -rf /etc/sanewall/firehol.conf
fi
echo
fi
if [ -f /etc/default/firehol -a ! -f /etc/default/sanewall ]; then
echo
echo
echo "Roughly adapting the existing FireHOL application default file into a Sanewall one."
cat > /etc/default/sanewall <<-EOF
# Sanewall application default file
# sourced by the initscript (/etc/init.d/sanewall).
# See sanewall-variables(5) manual page or Sanewall Manual
# for the full list of variables that control the behaviour of Sanewall
# and their respective description.
#
# This application default file was roughly adapted from the then existing
# FireHOL one; it might be revisited by hand.
#
EOF
sed -e "s/FIREHOL/SANEWALL/g" -e 's@FireHOL@Sanewall@g' /etc/default/firehol >> /etc/default/sanewall
chown --reference /etc/default/firehol /etc/default/sanewall
chmod --reference /etc/default/firehol /etc/default/sanewall
echo
fi
if [ -f /etc/sanewall/RESERVED_IPS ]; then
mv -f /etc/sanewall/RESERVED_IPS /etc/sanewall/RESERVED_IPS.dpkg-bak
echo
echo
echo "Sanewall does not require the IANA Reserved IPS data file RESERVED_IPS."
echo "The existing RESERVED_IPS has been saved as RESERVED_IPS.dpkg-bak."
if [ -f /etc/sanewall/RESERVED_IPS.old ]; then
mv -f /etc/sanewall/RESERVED_IPS.old /etc/sanewall/RESERVED_IPS.old.dpkg-bak
echo "The existing RESERVED_IPS.old has been saved as RESERVED_IPS.old.dpkg-bak."
fi
echo
elif [ -f /etc/sanewall/RESERVED_IPS.old ]; then
mv -f /etc/sanewall/RESERVED_IPS.old /etc/sanewall/RESERVED_IPS.old.dpkg-bak
echo
echo
echo "Sanewall does not require the IANA Reserved IPS data file RESERVED_IPS."
echo "The existing RESERVED_IPS.old has been saved as RESERVED_IPS.old.dpkg-bak."
echo
fi
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