#!/bin/sh -e

. /usr/share/debconf/confmodule

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
	if dpkg --compare-versions "$2" lt 0.9.8-1; then
	    echo -n "Checking for services that may need to be restarted..."

	    check="sendmail ssh"
	    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-tls cyrus21-imapd cyrus21-pop3d"
	    check="$check postgresql racoon"
	    # Only get the ones that are installed, and configured
	    check=$(dpkg -s $check 2> /dev/null | sed '/^$/{N;/^\n$/D;}' | awk 'BEGIN{RS="\n\n";FS="\n"}{if ( $2 ~ /Status: .* installed$/ ) { print $1 } }' | cut -f 2 -d ' ')
	    # apache2 ships its init script in apache2-common, but the
	    # script is apache2
	    check=$(echo $check | sed 's/apache2-common/apache2/g')
	    # For mod-ssl apache has to be restarted
	    check=$(echo $check | sed 's/libapache-mod-ssl/apache/g')
	    rl=$(runlevel | awk '{print $2}')
	    for service in $check; do
		if [ -f /usr/share/file-rc/rc -o -f /usr/lib/file-rc/rc ] && [ -f /etc/runlevel.conf ]; then
		    idl=$(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 $services"
		fi
	    done
	    echo "done."
	    if [ -n "$services" ]; then
		db_version 2.0

		db_reset libssl0.9.8/restart-services
		db_set libssl0.9.8/restart-services "$services"
		db_input critical libssl0.9.8/restart-services || true
		db_go || true
		db_get libssl0.9.8/restart-services
		# Arghhh, close all the stupid debconf pipes
		db_stop
		
		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=""
		    for service in $services; do
			idl=$(ls /etc/rc${rl}.d/S??${service} 2> /dev/null | head -n 1)
			echo -n "  $service: stopping..."
			$idl stop > /dev/null 2>&1 || true
			sleep 1
			echo -n "starting..."
			if $idl start > /dev/null 2>&1; then
			    echo "done."
			else
			    echo "FAILED! ($?)"
			    failed="$service $failed"
			fi
		    done
		    echo
		    if [ -n "$failed" ]; then
			# Ruh roh, George
			echo "The following services failed to start: $failed"
			echo
			echo "You will need to start these manually by running \`/etc/init.d/<service> start'"
			echo "If the service still fails to start, you may need to file a bug on"
			echo "$(package_name) or the service involved."
		    else
			echo "Services restarted successfully."
		    fi
		    echo
		fi
	    fi
	fi # end upgrading and $2 lt 0.9.8-1
    fi # Upgrading
fi

#DEBHELPER#