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Set sane defaults, get config info from localrc

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Change-Id: If8f942723c5e796207f3caf15a65c8501cd63d83
This commit is contained in:
Dean Troyer 2011-11-29 17:39:51 -06:00
parent 59cd090515
commit f44e98d1c7
1 changed files with 43 additions and 15 deletions
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58
tools/install_openvpn.sh
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@ -11,24 +11,41 @@
# --client mode creates a tarball of a client configuration for this server # --client mode creates a tarball of a client configuration for this server
# Get config file # Get config file
if [ -e localrc.vpn ]; then if [ -e localrc ]; then
. localrc.vpn . localrc
fi fi
if [ -e vpnrc ]; then
. vpnrc
fi
# Do some IP manipulation
function cidr2netmask() {
set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0
if [[ $1 -gt 1 ]]; then
shift $1
else
shift
fi
echo ${1-0}.${2-0}.${3-0}.${4-0}
}
FIXED_NET=`echo $FIXED_RANGE | cut -d'/' -f1`
FIXED_CIDR=`echo $FIXED_RANGE | cut -d'/' -f2`
FIXED_MASK=`cidr2netmask $FIXED_CIDR`
# VPN Config # VPN Config
VPN_SERVER=${VPN_SERVER:-`ifconfig eth0 | awk "/inet addr:/ { print \$2 }" | cut -d: -f2`} # 50.56.12.212 VPN_SERVER=${VPN_SERVER:-`ifconfig eth0 | awk "/inet addr:/ { print \$2 }" | cut -d: -f2`} # 50.56.12.212
VPN_PROTO=${VPN_PROTO:-tcp} VPN_PROTO=${VPN_PROTO:-tcp}
VPN_PORT=${VPN_PORT:-6081} VPN_PORT=${VPN_PORT:-6081}
VPN_DEV=${VPN_DEV:-tun} VPN_DEV=${VPN_DEV:-tap0}
VPN_BRIDGE=${VPN_BRIDGE:-br0} VPN_BRIDGE=${VPN_BRIDGE:-br100}
VPN_CLIENT_NET=${VPN_CLIENT_NET:-172.16.28.0} VPN_BRIDGE_IF=${VPN_BRIDGE_IF:-$FLAT_INTERFACE}
VPN_CLIENT_MASK=${VPN_CLIENT_MASK:-255.255.255.0} VPN_CLIENT_NET=${VPN_CLIENT_NET:-$FIXED_NET}
VPN_CLIENT_DHCP="${VPN_CLIENT_DHCP:-172.16.28.1 172.16.28.254}" VPN_CLIENT_MASK=${VPN_CLIENT_MASK:-$FIXED_MASK}
VPN_LOCAL_NET=${VPN_LOCAL_NET:-10.0.0.0} VPN_CLIENT_DHCP="${VPN_CLIENT_DHCP:-net.1 net.254}"
VPN_LOCAL_MASK=${VPN_LOCAL_MASK:-255.255.0.0}
VPN_DIR=/etc/openvpn VPN_DIR=/etc/openvpn
CA_DIR=/etc/openvpn/easy-rsa CA_DIR=$VPN_DIR/easy-rsa
usage() { usage() {
echo "$0 - OpenVPN install and certificate generation" echo "$0 - OpenVPN install and certificate generation"
@ -54,7 +71,16 @@ if [ ! -d $CA_DIR ]; then
cp -pR /usr/share/doc/openvpn/examples/easy-rsa/2.0/ $CA_DIR cp -pR /usr/share/doc/openvpn/examples/easy-rsa/2.0/ $CA_DIR
fi fi
OPWD=`pwd` # Keep track of the current directory
TOOLS_DIR=$(cd $(dirname "$0") && pwd)
TOP_DIR=$(cd $TOOLS_DIR/.. && pwd)
WEB_DIR=$TOP_DIR/../vpn
if [[ ! -d $WEB_DIR ]]; then
mkdir -p $WEB_DIR
fi
WEB_DIR=$(cd $TOP_DIR/../vpn && pwd)
cd $CA_DIR cd $CA_DIR
source ./vars source ./vars
@ -87,6 +113,10 @@ do_server() {
BR="$VPN_BRIDGE" BR="$VPN_BRIDGE"
TAP="\$1" TAP="\$1"
if [[ ! -d /sys/class/net/\$BR ]]; then
brctl addbr \$BR
fi
for t in \$TAP; do for t in \$TAP; do
openvpn --mktun --dev \$t openvpn --mktun --dev \$t
brctl addif \$BR \$t brctl addif \$BR \$t
@ -117,10 +147,8 @@ key $NAME.key # This file should be kept secret
ca ca.crt ca ca.crt
dh dh1024.pem dh dh1024.pem
duplicate-cn duplicate-cn
#server $VPN_CLIENT_NET $VPN_CLIENT_MASK
server-bridge $VPN_CLIENT_NET $VPN_CLIENT_MASK $VPN_CLIENT_DHCP server-bridge $VPN_CLIENT_NET $VPN_CLIENT_MASK $VPN_CLIENT_DHCP
ifconfig-pool-persist ipp.txt ifconfig-pool-persist ipp.txt
push "route $VPN_LOCAL_NET $VPN_LOCAL_MASK"
comp-lzo comp-lzo
user nobody user nobody
group nogroup group nogroup
@ -163,9 +191,9 @@ persist-tun
comp-lzo comp-lzo
verb 3 verb 3
EOF EOF
(cd $TMP_DIR; tar cf $OPWD/$NAME.tar *) (cd $TMP_DIR; tar cf $WEB_DIR/$NAME.tar *)
rm -rf $TMP_DIR rm -rf $TMP_DIR
echo "Client certificate and configuration is in $OPWD/$NAME.tar" echo "Client certificate and configuration is in $WEB_DIR/$NAME.tar"
} }
# Process command line args # Process command line args