#!/bin/sh

. /usr/share/debconf/confmodule

set -e

package_name()
{
echo $(basename $0 .postinst)
}

# element() is a helper function for file-rc:
element() {
local element list IFS

element="$1"

[ "$2" = "in" ] && shift
list="$2"
[ "$list" = "-" ] && return 1
[ "$list" = "*" ] && return 0

IFS=","
set -- $list
case $element in
"$1"|"$2"|"$3"|"$4"|"$5"|"$6"|"$7"|"$8"|"$9")
return 0
esac
return 1
}

# filerc (runlevel, service) returns /etc/init.d/service, if service is
# running in $runlevel:
filerc() {
local runlevel basename
runlevel=$1
basename=$2
while read LINE
do
case $LINE in
\#*|"") continue
esac

set -- $LINE
SORT_NO="$1"; STOP="$2"; START="$3"; CMD="$4"
[ "$CMD" = "/etc/init.d/$basename" ] || continue

if element "$runlevel" in "$START" || element "S" in "$START"
then
echo "/etc/init.d/$basename"
return 0
fi
done < /etc/runlevel.conf
echo ""
}

if [ "$1" = "configure" ]
then
if [ ! -z "$2" ]; then
# This triggers services restarting, so limit this to major upgrades
# only. Security updates should not restart services automatically.
if dpkg --compare-versions "$2" lt 0.9.8g-9 && dpkg --compare-versions "$2" gt 0.9.8c-4etch3; then
db_version 2.0

echo -n "Checking for services that may need to be restarted..."

check="sendmail openssh-server"
check="$check apache2-common ssh-nonfree exim4"
check="$check apache-ssl libapache-mod-ssl openvpn spamassassin"
check="$check courier-imap-ssl courier-mta-ssl courier-pop-ssl"
check="$check postfix cyrus21-imapd cyrus21-pop3d"
check="$check postgresql-7.4 postgresql-8.0 postgresql-8.1"
check="$check postgresql-8.2"
check="$check racoon dovecot-common bind9"
check="$check ntp openntpd clamcour nagios-nrpe-server"
check="$check clamav-freshclam clamav-daemon"
check="$check fetchmail ftpd-ssl slapd"
check="$check proftpd proftpd-ldap proftpd-mysql proftpd-pgsql"
check="$check partimage-server conserver-server tor"
check="$check stunnel4"
# Only get the ones that are installed, and configured
check=$(dpkg -s $check 2> /dev/null | egrep '^Package:|^Status:' | awk '{if ($1 ~ /^Package:/) { package=$2 } else if ($0 ~ /^Status: .* installed$/) { print package }}')
# apache2 ships its init script in apache2-common, but the
# script is apache2
check=$(echo $check | sed 's/apache2-common/apache2/g')
# For mod-ssl apache has to be restarted
check=$(echo $check | sed 's/libapache-mod-ssl/apache/g')
# The name of proftpd-{ldap,mysql,pgsql} init script is
# same as "proftpd".
check=$(echo $check | sed 's/proftpd-.*/proftpd/g')
# dovecot-common ships its init script, but the
# script name is dovecot for dovecot-{imapd,pop3d}.
check=$(echo $check | sed 's/dovecot-common/dovecot/g')
# openssh-server's init script it called ssh
check=$(echo $check | sed 's/openssh-server/ssh/g')
echo "done."

echo "Checking init scripts..."
for service in $check; do
if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
idl=$(ls /etc/init.d/${service} 2> /dev/null | head -n 1)
if [ -n "$idl" ] && [ -x $idl ]; then
services="$service $services"
else
echo "WARNING: init script for $service not found."
fi
else
if [ -f /usr/share/file-rc/rc ] || [ -f /usr/lib/file-rc/rc ] && [ -f /etc/runlevel.conf ]; then

idl=$(filerc $rl $service)
else
idl=$(ls /etc/rc${rl}.d/S??${service} 2> /dev/null | head -n 1)
fi
if [ -n "$idl" ] && [ -x $idl ]; then
services="$service $services"
fi
fi
done
if [ -n "$services" ]; then
db_reset libssl1.0.0/restart-services
db_set libssl1.0.0/restart-services "$services"
if [ "$RELEASE_UPGRADE_MODE" = desktop ]; then
db_input medium libssl1.0.0/restart-services || true
else
db_input critical libssl1.0.0/restart-services || true
fi
db_go || true
db_get libssl1.0.0/restart-services

if [ "x$RET" != "x" ]
then
services=$RET
answer=yes
else
answer=no
fi
echo
if [ "$answer" = yes ] && [ "$services" != "" ]; then
echo "Restarting services possibly affected by the upgrade:"
failed=""
rl=$(runlevel | sed 's/.*\ //')
for service in $services; do
if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
idl="invoke-rc.d ${service}"
elif [ -f /usr/share/file-rc/rc ] || [ -f /usr/lib/file-rc/rc ] && [ -f /etc/runlevel.conf ]; then
idl=$(filerc $rl $service)
else
idl=$(ls /etc/rc${rl}.d/S??${service} 2> /dev/null | head -n 1)
fi

if ! $idl restart; then
failed="$service $failed"
fi
done
echo
if [ -n "$failed" ]; then
db_subst libssl1.0.0/restart-failed services "$failed"
db_input critical libssl1.0.0/restart-failed || true
db_go || true
else
echo "Services restarted successfully."
fi
echo
fi
else
echo "Nothing to restart."
fi
# Shut down the frontend, to make sure none of the
# restarted services keep a connection open to it
db_stop

fi # end upgrading and $2 lt 0.9.8c-2

# Here we issue the reboot notification for upgrades and
# security updates. We do want services to be restarted when we
# update for a security issue, but planned by the sysadmin, not
# automatically.

# Only issue the reboot notification for servers; we proxy this by
# testing that the X server is not running (LP: #244250)
if ! pidof /usr/bin/X > /dev/null && [ -x /usr/share/update-notifier/notify-reboot-required ]; then
/usr/share/update-notifier/notify-reboot-required
fi

fi # Upgrading
fi

# Automatically added by dh_makeshlibs
if [ "$1" = "configure" ]; then
ldconfig
fi
# End automatically added section