postinst is in ferm 2.4-1.
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
action=$1
version=$2
# generate default file if it doesn't exist
if [ ! -e /etc/default/ferm ]; then
cat > /etc/default/ferm <<-END
# configuration for /etc/init.d/ferm
# use iptables-restore for fast firewall initialization?
FAST=yes
# cache the output of ferm --lines in /var/cache/ferm?
CACHE=no
# additional paramaters for ferm (like --def '$foo=bar')
OPTIONS=
# Enable the ferm init script? (i.e. run on bootup)
END
fi
if [ "$action" = configure ]; then
. /usr/share/debconf/confmodule
db_version 2.0
# get values from debconf db
db_get ferm/enable
if [ "$RET" = "false" ]; then
VALUE="no"
else
VALUE="yes"
fi
# If the admin deleted or commented some variables but then set
# them via debconf, (re-)add them to the configuration file
grep -Eq '^ *ENABLED=' /etc/default/ferm || \
echo "ENABLED=\"$VALUE\"" >> /etc/default/ferm
# make the firewall configuration readable only by root and group adm
if ! dpkg-statoverride --list /etc/ferm > /dev/null 2>&1
then
if [ -d /etc/ferm ]; then
chown -R root:adm /etc/ferm
chmod 2750 /etc/ferm
fi
fi
fi
# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask ferm.service >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled ferm.service; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable ferm.service >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state ferm.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
if [ -x "/etc/init.d/ferm" ]; then
update-rc.d ferm defaults >/dev/null
invoke-rc.d ferm start || exit $?
fi
fi
# End automatically added section
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