diff options
Diffstat (limited to 'pcr/openrc-net/openvpn-2.1.init')
| -rw-r--r-- | pcr/openrc-net/openvpn-2.1.init | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/pcr/openrc-net/openvpn-2.1.init b/pcr/openrc-net/openvpn-2.1.init new file mode 100644 index 000000000..d65e6f8bd --- /dev/null +++ b/pcr/openrc-net/openvpn-2.1.init @@ -0,0 +1,133 @@ +#!/sbin/runscript +# Copyright 1999-2007 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +VPNDIR=${VPNDIR:-/etc/openvpn} +VPN=${SVCNAME#*.} +if [ -n "${VPN}" ] && [ ${SVCNAME} != "openvpn" ]; then + VPNPID="/var/run/openvpn.${VPN}.pid" +else + VPNPID="/var/run/openvpn.pid" +fi +VPNCONF="${VPNDIR}/${VPN}.conf" + +depend() { + need localmount net + use dns + after bootmisc +} + +checkconfig() { + # Linux has good dynamic tun/tap creation + if [ $(uname -s) = "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 ] && [ -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 $? + fi + return 0 + fi + + # Other OS's don't, so we rely on a pre-configured interface + # per vpn instance + local ifname=$(sed -n -e 's/[[:space:]]*dev[[:space:]][[:space:]]*\([^[:space:]]*\).*/\1/p' "${VPNCONF}") + if [ -z ${ifname} ] ; then + eerror "You need to specify the interface that this openvpn" \ + "instance should use" \ + "by using the dev option in ${VPNCONF}" + return 1 + fi + + if ! ifconfig "${ifname}" >/dev/null 2>/dev/null ; then + # Try and create it + echo > /dev/"${ifname}" >/dev/null + fi + if ! ifconfig "${ifname}" >/dev/null 2>/dev/null ; then + eerror "${VPNCONF} requires interface ${ifname}" \ + "but that does not exist" + return 1 + fi +} + +start() { + # If we are re-called by the openvpn gentoo-up.sh script + # then we don't actually want to start openvpn + [ "${IN_BACKGROUND}" = "true" ] && return 0 + + ebegin "Starting ${SVCNAME}" + + checkconfig || return 1 + + local args="" reenter=${RE_ENTER:-no} + # 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 "^[ ]*cd[ ].*" "${VPNCONF}" ; then + args="${args} --cd ${VPNDIR}" + fi + + # We mark the service as inactive and then start it. + # When we get an authenticated packet from the peer then we run our script + # which configures our DNS if any and marks us as up. + if [ "${DETECT_CLIENT:-yes}" = "yes" ] && \ + grep -q "^[ ]*remote[ ].*" "${VPNCONF}" ; then + reenter="yes" + args="${args} --up-delay --up-restart" + args="${args} --script-security 2" + args="${args} --up /etc/openvpn/up.sh" + args="${args} --down-pre --down /etc/openvpn/down.sh" + + # Warn about setting scripts as we override them + if grep -Eq "^[ ]*(up|down)[ ].*" "${VPNCONF}" ; then + ewarn "WARNING: You have defined your own up/down scripts" + ewarn "As you're running as a client, we now force Gentoo specific" + ewarn "scripts to be run for up and down events." + ewarn "These scripts will call /etc/openvpn/${SVCNAME}-{up,down}.sh" + ewarn "where you can put your own code." + fi + + # Warn about the inability to change ip/route/dns information when + # dropping privs + if grep -q "^[ ]*user[ ].*" "${VPNCONF}" ; then + ewarn "WARNING: You are dropping root privileges!" + ewarn "As such openvpn may not be able to change ip, routing" + ewarn "or DNS configuration." + fi + else + # So we're a server. Run as openvpn unless otherwise specified + grep -q "^[ ]*user[ ].*" "${VPNCONF}" || args="${args} --user openvpn" + grep -q "^[ ]*group[ ].*" "${VPNCONF}" || args="${args} --group openvpn" + fi + + # Ensure that our scripts get the PEER_DNS variable + [ -n "${PEER_DNS}" ] && args="${args} --setenv PEER_DNS ${PEER_DNS}" + + [ "${reenter}" = "yes" ] && mark_service_inactive "${SVCNAME}" + start-stop-daemon --start --exec /usr/sbin/openvpn --pidfile "${VPNPID}" \ + -- --config "${VPNCONF}" --writepid "${VPNPID}" --daemon \ + --setenv SVCNAME "${SVCNAME}" ${args} + eend $? "Check your logs to see why startup failed" +} + +stop() { + # If we are re-called by the openvpn gentoo-down.sh script + # then we don't actually want to stop openvpn + if [ "${IN_BACKGROUND}" = "true" ] ; then + mark_service_inactive "${SVCNAME}" + return 0 + fi + + ebegin "Stopping ${SVCNAME}" + start-stop-daemon --stop --quiet \ + --exec /usr/sbin/openvpn --pidfile "${VPNPID}" + eend $? +} + +# vim: set ts=4 : |