docker-transmission-openvpn/openvpn/start.sh
2018-01-01 13:08:51 +13:00

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#!/bin/sh
vpn_provider="$(echo $OPENVPN_PROVIDER | tr '[A-Z]' '[a-z]')"
vpn_provider_configs="/etc/openvpn/$vpn_provider"
if [ ! -d "$vpn_provider_configs" ]; then
echo "Could not find OpenVPN provider: $OPENVPN_PROVIDER"
echo "Please check your settings."
exit 1
fi
echo "Using OpenVPN provider: $OPENVPN_PROVIDER"
if [ ! -z "$OPENVPN_CONFIG" ]
then
if [ -f $vpn_provider_configs/"${OPENVPN_CONFIG}".ovpn ]
then
echo "Starting OpenVPN using config ${OPENVPN_CONFIG}.ovpn"
OPENVPN_CONFIG=$vpn_provider_configs/${OPENVPN_CONFIG}.ovpn
else
echo "Supplied config ${OPENVPN_CONFIG}.ovpn could not be found."
echo "Using default OpenVPN gateway for provider ${vpn_provider}"
OPENVPN_CONFIG=$vpn_provider_configs/default.ovpn
fi
else
echo "No VPN configuration provided. Using default."
OPENVPN_CONFIG=$vpn_provider_configs/default.ovpn
fi
# add OpenVPN user/pass
if [ "${OPENVPN_USERNAME}" = "**None**" ] || [ "${OPENVPN_PASSWORD}" = "**None**" ] ; then
echo "OpenVPN credentials not set. Exiting."
exit 1
else
echo "Setting OPENVPN credentials..."
mkdir -p /config
echo $OPENVPN_USERNAME > /config/openvpn-credentials.txt
echo $OPENVPN_PASSWORD >> /config/openvpn-credentials.txt
chmod 600 /config/openvpn-credentials.txt
fi
# add transmission credentials from env vars
echo $TRANSMISSION_RPC_USERNAME > /config/transmission-credentials.txt
echo $TRANSMISSION_RPC_PASSWORD >> /config/transmission-credentials.txt
# Persist transmission settings for use by transmission-daemon
dockerize -template /etc/transmission/environment-variables.tmpl:/etc/transmission/environment-variables.sh /bin/true
TRANSMISSION_CONTROL_OPTS="--script-security 2 --up-delay --up /etc/openvpn/tunnelUp.sh --down /etc/openvpn/tunnelDown.sh"
if [ "true" = "$ENABLE_UFW" ]; then
# Enable firewall
echo "enabling firewall"
sed -i -e s/IPV6=yes/IPV6=no/ /etc/default/ufw
ufw enable
if [ "true" = "$TRANSMISSION_PEER_PORT_RANDOM_ON_START" ]; then
PEER_PORT="$TRANSMISSION_PEER_PORT_RANDOM_LOW:$TRANSMISSION_PEER_PORT_RANDOM_HIGH/tcp"
else
PEER_PORT=$TRANSMISSION_PEER_PORT
fi
echo "allowing $PEER_PORT through the firewall"
ufw allow $PEER_PORT
eval $(/sbin/ip r l m 0.0.0.0 | awk '{if($5!="tun0"){print "GW="$3"\nINT="$5; exit}}')
echo "allowing access to $TRANSMISSION_RPC_PORT from $GW"
ufw allow proto tcp from $GW to any port $TRANSMISSION_RPC_PORT
fi
if [ -n "${LOCAL_NETWORK-}" ]; then
eval $(/sbin/ip r l m 0.0.0.0 | awk '{if($5!="tun0"){print "GW="$3"\nINT="$5; exit}}')
if [ -n "${GW-}" -a -n "${INT-}" ]; then
echo "adding route to local network $LOCAL_NETWORK via $GW dev $INT"
/sbin/ip r a "$LOCAL_NETWORK" via "$GW" dev "$INT"
if [ "true" = "$ENABLE_UFW" ]; then
echo "allowing access to $TRANSMISSION_RPC_PORT from $LOCAL_NETWORK"
ufw allow proto tcp from $LOCAL_NETWORK to any port $TRANSMISSION_RPC_PORT
fi
fi
fi
exec openvpn $TRANSMISSION_CONTROL_OPTS $OPENVPN_OPTS --config "$OPENVPN_CONFIG"