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#!/bin/sh
#
# mlvpn - load tun/tap driver and start mlvpn daemon
#
# (C) Copyright 2005 - 2008, 2010 by Matthias Andree
# (C) Copyright 2015 Laurent COUSTET (mlvpn modifications)
# (C) Copyright 2016 Olivier Cochard-Labbe (updating rc script)
# based on suggestions by Matthias Grimm and Dirk Gouders
# with multi-instance contribution from Denis Shaposhnikov, Gleb Kozyrev
# and Vasil Dimov
# softrestart feature suggested by Nick Hibma
#
# This program 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 2 of the License, or (at your option) any later
# version.
#
# This program 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
# this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
# Street, Fifth Floor, Boston, MA 02110-1301, USA.
# PROVIDE: mlvpn
# REQUIRE: DAEMON
# KEYWORD: shutdown
# -----------------------------------------------------------------------------
#
# This script supports running multiple instances of mlvpn
# To run additional instances link this script to something like
# % ln -s mlvpn mlvpn_foo
# and define additional mlvpn_foo_* variables in one of
# /etc/rc.conf, /etc/rc.conf.local or /etc/rc.conf.d/mlvpn_foo
#
# Below NAME should be substituted with the name of this script. By default
# it is mlvpn, so read as mlvpn_enable. If you linked the script to
# mlvpn_foo, then read as mlvpn_foo_enable etc.
#
# The following variables are supported (defaults are shown).
# You can place them in any of
# /etc/rc.conf, /etc/rc.conf.local or /etc/rc.conf.d/NAME
#
# NAME_enable="NO" # set to YES to enable mlvpn
# NAME_if= # driver(s) to load, set to "tun", "tap" or "tun tap"
# # it is OK to specify the if_ prefix.
#
# # optional:
# NAME_flags= # additional command line arguments
# NAME_configfile="/usr/local/etc/mlvpn/NAME.conf" # --config file
#
# Note that we deliberately refrain from unloading drivers.
#
# For further documentation, please see http://www.mlvpn.fr/
#
. /etc/rc.subr
case "$0" in
/etc/rc*)
# during boot (shutdown) $0 is /etc/rc (/etc/rc.shutdown),
# so get the name of the script from $_file
name="$_file"
;;
*)
name="$0"
;;
esac
name="${name##*/}"
rcvar=${name}_enable
mlvpn_stop()
{
if [ -f ${pidfile} ]; then
rc_pid=$(check_pidfile $pidfile ${name})
kill -TERM $rc_pid
wait_for_pids $rc_pid
fi
}
stop_postcmd()
{
rm -f "$pidfile" || warn "Could not remove $pidfile."
}
mlvpn_softrestart()
{
rc_pid=$(check_pidfile $pidfile ${name})
local status
if ! status=`run_rc_command status 2>&1`; then
echo $status
return 1
fi
echo 'Softrestarting mlvpn.'
kill -USR1 $rc_pid
}
mlvpn_status()
{
rc_pid=$(check_pidfile $pidfile ${name})
if [ -z "$rc_pid" ]; then
[ -n "$rc_fast" ] && return 0
if [ -n "$pidfile" ]; then
echo "${name} not running? (check $pidfile)."
else
echo "${name} not running?"
fi
return 1
fi
echo "${name} is running as pid ${rc_pid}"
}
# reload: support SIGHUP to reparse configuration file
# softrestart: support SIGUSR1 to reconnect without superuser privileges
extra_commands="reload softrestart"
softrestart_cmd="mlvpn_softrestart"
# pidfile
pidfile="/var/run/${name}.pid"
rc_pid=$(check_pidfile $pidfile ame)
# command and arguments
procname="%%PREFIX%%/sbin/mlvpn"
command="/usr/sbin/daemon"
# run this last
stop_cmd="mlvpn_stop"
stop_postcmd="stop_postcmd"
status_cmd="mlvpn_status"
load_rc_config ${name}
eval ": \${${name}_enable:=\"NO\"}"
eval ": \${${name}_configfile:=\"/usr/local/etc/mlvpn/${name}.conf\"}"
configfile="$(eval echo \${${name}_configfile})"
interfaces="$(eval echo \${${name}_if})"
required_modules=
for i in $interfaces ; do
required_modules="$required_modules${required_modules:+" "}if_${i#if_}"
done
required_files=${configfile}
command_args="-f -p ${pidfile} ${procname} --name ${name} --config ${configfile} --user mlvpn"
run_rc_command "$1"
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