openrc/init.d.misc/openvpn

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#!/sbin/runscript
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
if [ -z "${openvpn_dir}" ]; then
if [ -d /usr/local/etc/openvpn ]; then
openvpn_dir=/usr/local/etc/openvpn
else
openvpn_dir=/etc/openvpn
fi
fi
vpn=${SVCNAME#*.}
name="OpenVPN"
[ "${vpn}" != "openvpn" ] && name="${name} (${vpn})"
command=/usr/sbin/openvpn
[ -x ${command} ] || command=/usr/local/sbin/openvpn
pidfile="/var/run/${SVCNAME}.pid"
openvpn_config=${openvpn_config:-${openvpn_dir}/${vpn}.conf}
command_args="${openvpn_args} --daemon --config ${openvpn_config} --writepid ${pidfile}"
required_dirs="${openvpn_dir}"
required_files="${openvpn_config}"
# If we're an openvpn client, then supply a nice default config
# You can find sample up/down scripts in the OpenRC support/openvpn dir
if yesno "${openvpn_client}"; then
openvpn_up=${openvpn_up:-${openvpn_dir}/up.sh}
openvpn_down=${openvpn_down:-${openvpn_dir}/down.sh}
command_args="${command_args} --nobind --up-delay --up-restart --down-pre"
command_args="${command_args} --up ${openvpn_up}"
command_args="${command_args} --down ${openvpn_down}"
required_files="${required_files} ${openvpn_up} ${openvpn_down}"
in_background_fake="start stop"
start_inactive="YES"
fi
depend() {
need net
use dns
}
start_pre() {
# Linux has good dynamic tun/tap creation
if [ "${RC_UNAME}" = "Linux" ]; then
if [ ! -e /dev/net/tun ]; then
if ! modprobe tun; then
eerror "TUN/TAP support is not available in this kernel"
return 1
fi
fi
if [ -h /dev/net/tun -a -c /dev/misc/net/tun ]; then
ebegin "Detected broken /dev/net/tun symlink, fixing..."
rm -f /dev/net/tun
ln -s /dev/misc/net/tun /dev/net/tun
eend $?
fi
fi
# If the config file does not specify the cd option, we do
# But if we specify it, we override the config option which we do not want
if ! grep -q "^[ \t]*cd[ \t].*" "${openvpn_config}"; then
command_args="${command_args} --cd ${openvpn_dir}"
fi
}