summaryrefslogtreecommitdiffstats
path: root/main/openvpn/openvpn.initd
diff options
context:
space:
mode:
Diffstat (limited to 'main/openvpn/openvpn.initd')
-rw-r--r--main/openvpn/openvpn.initd122
1 files changed, 96 insertions, 26 deletions
diff --git a/main/openvpn/openvpn.initd b/main/openvpn/openvpn.initd
index 7e0e3eb9e..e7bcd1491 100644
--- a/main/openvpn/openvpn.initd
+++ b/main/openvpn/openvpn.initd
@@ -2,9 +2,9 @@
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
-VPNDIR="/etc/openvpn"
-VPN="${SVCNAME#*.}"
-if [ -n "${VPN}" ] && [ "${SVCNAME}" != "openvpn" ]; then
+VPNDIR=${VPNDIR:-/etc/openvpn}
+VPN=${SVCNAME#*.}
+if [ -n "${VPN}" ] && [ ${SVCNAME} != "openvpn" ]; then
VPNPID="/var/run/openvpn.${VPN}.pid"
else
VPNPID="/var/run/openvpn.pid"
@@ -13,51 +13,121 @@ VPNCONF="${VPNDIR}/${VPN}.conf"
depend() {
need localmount net
- before netmount
- after bootmisc firewall
+ use dns
+ after bootmisc
}
-checktundevice() {
- if [ ! -e /dev/net/tun ]; then
- if ! modprobe tun ; then
- eerror "TUN/TAP support is not available in this kernel"
- return 1
+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
- 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 $?
+
+ # Other OS's don't, so we rely on a pre-configured interface
+ # per vpn instance
+ local ifname=$(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 ${SVCNAME}"
- checktundevice || return 1
-
- if [ ! -e "${VPNCONF}" ]; then
- eend 1 "${VPNCONF} does not exist"
- return 1
- fi
+ checkconfig || return 1
- local args=""
+ local args="" reenter=${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 "^[ \t]*cd[ \t].*" "${VPNCONF}" ; then
+ if ! grep -q "^[ ]*cd[ ].*" "${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 Alpine 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 ${args}
+ -- --config "${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 ${SVCNAME}"
- start-stop-daemon --stop --exec /usr/sbin/openvpn --pidfile "${VPNPID}"
+ start-stop-daemon --stop --quiet \
+ --exec /usr/sbin/openvpn --pidfile "${VPNPID}"
eend $?
}
-# vim: ts=4
+# vim: set ts=4 :