vpnclient_ynh/conf/ynh-vpnclient
2014-11-05 23:42:24 +01:00

128 lines
2.8 KiB
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#!/bin/bash
### BEGIN INIT INFO
# Provides: ynh-vpnclient
# Required-Start: $network $remote_fs $syslog
# Required-Stop: $network $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start VPN client.
# Description: Start VPN client.
### END INIT INFO
has_nativeip6() {
ip -6 r | grep -q default\ via
}
is_ip6addr_set() {
yunohost app list -f hotspot --json | grep -q '"installed": true'\
|| ip a s dev tun0 2> /dev/null | grep -q <TPL:IP6_ADDR>/128
}
is_serverip6route_set() {
ip -6 r | grep -q <TPL:SERVER_IP6>/
}
is_openvpn_running() {
# service openvpn status seems to be a joke
ip l sh dev tun0 &> /dev/null
}
is_running() {
((has_nativeip6 && is_serverip6route_set) || ! has_nativeip6) && is_openvpn_running
}
gw6=$(ip -6 r | grep default\ via | awk '{ print $3 }')
case "$1" in
start)
if is_running; then
echo "Already correctly set"
else
if ! is_openvpn_running; then
echo "Run openvpn"
proto=udp
[ ! -z "${gw6}" ] && proto=udp6
sed "s|<TPL:PROTO>|${proto}|" /etc/openvpn/client.conf.tpl > /etc/openvpn/client.conf
sed 's|^<TPL:UDP_COMMENT>||' -i /etc/openvpn/client.conf
service openvpn start client
false || while [ $? -ne 0 ]; do
sleep 1
ip l sh dev tun0 &> /dev/null
done
sleep 2
fi
if has_nativeip6 && ! is_serverip6route_set; then
echo "Set IPv6 server route"
ip r a <TPL:SERVER_IP6>/128 via ${gw6} dev <TPL:WIRED_DEVICE>
fi
if ! is_ip6addr_set; then
echo "Set IPv6 address"
ip a a <TPL:IP6_ADDR>/128 dev tun0
fi
fi
;;
stop)
if is_ip6addr_set; then
echo "Unset IPv6 address"
# Not useful if hotspot is installed
ip a d <TPL:IP6_ADDR>/128 dev tun0 2> /dev/null
fi
if is_serverip6route_set; then
echo "Unset IPv6 server route"
ip r d <TPL:SERVER_IP6>/128 via ${gw6} dev <TPL:WIRED_DEVICE>
fi
if is_openvpn_running; then
echo "Stop openvpn"
service openvpn stop
fi
;;
restart)
$0 stop
$0 start
;;
status)
exitcode=0
if is_ip6addr_set; then
echo "IPv6 address is correctly set"
else
echo "IPv6 address is NOT set"
exitcode=1
fi
if has_nativeip6; then
if is_serverip6route_set; then
echo "IPv6 server route is correctly set"
else
echo "IPv6 server route is NOT set"
exitcode=1
fi
else
echo "No native IPv6 detected"
fi
if is_openvpn_running; then
echo "Openvpn is running"
else
echo "Openvpn is NOT running"
exitcode=1
fi
exit ${exitcode}
;;
*)
echo "Usage: $0 {start|stop|restart|status}"
exit 1
;;
esac
exit 0