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dockerfiles/tinc/peer.sh

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#!/bin/sh -e
#
# generate peer profile
#
PEER_NAME=${1:?peer name is empty}
PEER_ADDR=${2:?peer addr is empty}
if [ -f /etc/tinc/${NETNAME}/hosts/${PEER_NAME} ]
then
echo 'Peer name was taken!'
exit 1
elif fgrep -qr ${PEER_ADDR} /etc/tinc/${NETNAME}/hosts/
then
echo 'Peer addr was taken!'
exit 2
else
echo 'Generating...'
fi
mkdir -p /etc/tinc/${NETNAME}/peers/${PEER_NAME}/tinc/${NETNAME}/hosts
cd /etc/tinc/${NETNAME}/peers/${PEER_NAME}/tinc/${NETNAME}
cp /etc/tinc/${NETNAME}/hosts/server hosts/server
cat > tinc.conf <<_EOF_
Name = ${PEER_NAME}
Interface = tun0
ConnectTo = server
_EOF_
cat > hosts/${PEER_NAME} <<_EOF_
Subnet = ${PEER_ADDR}
_EOF_
tincd -c. -K${KEYSIZE} < /dev/null
cp /etc/tinc/${NETNAME}/peers/${PEER_NAME}/tinc/${NETNAME}/hosts/${PEER_NAME} \
/etc/tinc/${NETNAME}/hosts/${PEER_NAME}
cat > tinc-up <<_EOF_
#!/bin/sh
ip link set \$INTERFACE up
ip addr add ${PEER_ADDR}/${NETMASK} dev \$INTERFACE
_EOF_
cat > tinc-down <<_EOF_
#!/bin/sh
ip addr del ${PEER_ADDR}/${NETMASK} dev \$INTERFACE
ip link set \$INTERFACE down
_EOF_
cat > hosts/server-up <<"_EOF_"
#!/bin/sh
ORIGINAL_GATEWAY=$(ip route show | grep ^default | cut -d ' ' -f 2-3)
ip route add $REMOTEADDRESS $ORIGINAL_GATEWAY
ip route add 0.0.0.0/1 dev $INTERFACE
ip route add 128.0.0.0/1 dev $INTERFACE
_EOF_
cat > hosts/server-down <<"_EOF_"
#!/bin/sh
ORIGINAL_GATEWAY=$(ip route show | grep ^default | cut -d ' ' -f 2-3)
ip route del $REMOTEADDRESS $ORIGINAL_GATEWAY
ip route del 0.0.0.0/1 dev $INTERFACE
ip route del 128.0.0.0/1 dev $INTERFACE
_EOF_
chmod +x tinc-up tinc-down hosts/server-up hosts/server-down
cd /etc/tinc/${NETNAME}/peers
tar czf ${PEER_NAME}.tar.gz ${PEER_NAME}
rm -rf ${PEER_NAME}
echo "'${PEER_NAME}' => '${PWD}/${PEER_NAME}.tar.gz'"