#!/bin/sh

set -e

if [ "$BANDWIDTHD_PACKAGE_DEBUG" != "" ]; then
	echo "bandwidthd.postinst: $*"
	set -x
fi

# Always source debconf library in postinst.
. /usr/share/debconf/confmodule

# -------------------------------------------------------------
# Create bandwidthd.conf based on debconf data, and install it.
# -------------------------------------------------------------

if [ "$1" = "configure" ]; then

db_get bandwidthd/dev || true
DEV=$RET

db_get bandwidthd/subnet || true
SUBNETS=$RET
# ATTENTION! $SUBNETS needs to be parsed and split.
# Example contents: 192.168.1.0/24, 172.20.0.0 255.255.0.0, 10.0.0.0/8

db_get bandwidthd/outputcdf || true
OUTPUTCDF=$RET

db_get bandwidthd/recovercdf || true
RECOVERCDF=$RET

db_get bandwidthd/metarefresh || true
if [ "$RET" = "" ]; then
	RET=150
fi
METAREFRESH=$RET

db_get bandwidthd/promisc || true
PROMISC=$RET


if [ "$BANDWIDTHD_PACKAGE_DEBUG" != "" ]; then
	echo "This is the bandwidthd postinst script reporting debconf settings:"
	echo "dev: $DEV"
	echo "subnets: $SUBNETS"
	echo "outputcdf: $OUTPUTCDF"
	echo "recovercdf: $RECOVERCDF"
	echo "metarefresh: $METAREFRESH"
	echo "promisc: $PROMISC"
fi

# parse a bandwidthd.conf template and insert dev, subnet and
# recover_cdf rules, then use ucf to install config file.

TEMPDIR=$(mktemp -d)
TMPFILE=$TEMPDIR/bandwidthd.conf

cp /usr/share/bandwidthd/bandwidthd.conf.template $TMPFILE
chmod 640 $TMPFILE

RULE='s%^#DEBCONF_DEVS#$%dev "'$DEV'"%'
sed -e "$RULE" < $TMPFILE > $TMPFILE.new
mv $TMPFILE.new $TMPFILE

PARSED_SUBNETS=$(echo $SUBNETS | sed -e 's/, */:/g')
#PARSED_SUBNETS=$(echo $PARSED_SUBNETS | sed -e 's/^/subnet /')
OLDIFS=$IFS
IFS=":"
for subnet in $PARSED_SUBNETS ; do
	# CIDR and dotted-quad subnets have different syntax:
	# subnet 1.2.3.4/24
	# subnet 4.3.2.1 255.255.255.0
	subnet=$(echo $subnet | sed -e 's#/\(.*\..*\)# \1#')
	RULE='s%^#DEBCONF_SUBNETS#$%subnet '$subnet'\
#DEBCONF_SUBNETS#%'
	sed -e "$RULE" < $TMPFILE > $TMPFILE.new
	mv $TMPFILE.new $TMPFILE
done
RULE='s%^#DEBCONF_SUBNETS#$%%'
sed -e "$RULE" < $TMPFILE > $TMPFILE.new
mv $TMPFILE.new $TMPFILE
IFS=$OLDIFS

RULE='s%^#DEBCONF_OUTPUTCDF#$%output_cdf '$OUTPUTCDF'%'
sed -e "$RULE" < $TMPFILE > $TMPFILE.new
mv $TMPFILE.new $TMPFILE


RULE='s%^#DEBCONF_RECOVERCDF#$%recover_cdf '$RECOVERCDF'%'
sed -e "$RULE" < $TMPFILE > $TMPFILE.new
mv $TMPFILE.new $TMPFILE

RULE='s%^#DEBCONF_METAREFRESH#$%meta_refresh '$METAREFRESH'%'
sed -e "$RULE" < $TMPFILE > $TMPFILE.new
mv $TMPFILE.new $TMPFILE

RULE='s%^#DEBCONF_PROMISC#$%promiscuous '$PROMISC'%'
sed -e "$RULE" < $TMPFILE > $TMPFILE.new
mv $TMPFILE.new $TMPFILE

# Install new configuration...
chmod 640 $TMPFILE
ucf --debconf-ok $TMPFILE /etc/bandwidthd/bandwidthd.conf
chmod 640 /etc/bandwidthd/bandwidthd.conf

# clean up
rm -rf $TEMPDIR

# stop debconf
db_stop


fi # "$1" = "configure"

# ----------------------------------------------------------------------

# move apache configuration file to new location for apache 2.4
dpkg-maintscript-helper mv_conffile \
	/etc/apache2/conf.d/bandwidthd /etc/apache2/conf-available/bandwidthd.conf 2.0.1+cvs20090917-6~ bandwidthd -- "$@"

# From http://wiki.debian.org/Apache/PackagingFor24 :
# "In your postinst maintainer script invoke the enconf handler on fresh installations."
if [ -z "$2" ]; then
	if [ -e /usr/share/apache2/apache2-maintscript-helper ] ; then
		. /usr/share/apache2/apache2-maintscript-helper
		apache2_invoke enconf bandwidthd.conf
	fi
fi

# reload apache2 config for installed /bandwidthd alias.
if [ -e /usr/share/apache2/apache2-maintscript-helper ] ; then
	. /usr/share/apache2/apache2-maintscript-helper
	apache2_reload
fi

# debhelper autoinserted stuff:

# Automatically added by dh_installinit/13.15.3
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "${DPKG_ROOT:-}" ] && [ -x "/etc/init.d/bandwidthd" ]; then
		update-rc.d bandwidthd defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native bandwidthd $_dh_action || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.15.3
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'bandwidthd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.15.3
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'bandwidthd.service' >/dev/null || true
	fi
fi
# End automatically added section