/mandos/trunk

#!/bin/sh -e

# 

# Script to wait for plugin-runner to exit before continuing boot

# 

# Copyright © 2018 Teddy Hogeborn

# Copyright © 2018 Björn Påhlsson

# 

# This file is part of Mandos.

# 

# Mandos is free software: you can redistribute it and/or modify it

# under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

# 

#     Mandos is distributed in the hope that it will be useful, but

#     WITHOUT ANY WARRANTY; without even the implied warranty of

#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

#     GNU General Public License for more details.

# 

# You should have received a copy of the GNU General Public License

# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.

# 

# Contact the authors at <mandos@recompile.se>.

# 

# This script will run in the initrd environment at boot and remove

# the file keeping the dummy plugin running, forcing plugin-runner to

# exit if it is still running.

# This script should be installed as

# "/usr/share/initramfs-tools/scripts/local-premount/mandos" which will

# eventually be "/scripts/local-premount/mandos" in the initrd.img

# file.

PREREQ=""

prereqs()

{

    echo "$PREREQ"

}

case $1 in

prereqs)

	prereqs

	exit 0

	;;

esac

. /scripts/functions

pid=$(cat /run/mandos-plugin-runner.pid 2>/dev/null)

# If the dummy plugin is running, removing this file should force the

# dummy plugin to exit successfully, thereby making plugin-runner shut

# down all its other plugins and then exit itself.

rm -f /run/mandos-keep-running >/dev/null 2>&1

# Wait for exit of plugin-runner, if still running

if [ -n "$pid" ]; then

    while :; do

	case "$(readlink /proc/"$pid"/exe 2>/dev/null)" in

	    */plugin-runner) sleep 1;;

	    *) break;;

	esac

    done

    rm -f /run/mandos-plugin-runner.pid >/dev/null 2>&1

fi