Init Commit

entrypoint.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+
+grepzt() {
+  (find /proc -name exe | xargs -I{} readlink {}) 2>/dev/null | grep -q zerotier-one
+  return $?
+}
+
+echo "starting zerotier"
+setsid /usr/sbin/zerotier-one &
+
+while ! grepzt
+do
+  echo "zerotier hasn't started, waiting a second"
+  sleep 1
+done
+
+echo "joining networks: $ZT_NETWORK"
+
+echo "joining $ZT_NETWORK"
+
+while ! zerotier-cli join "$ZT_NETWORK"
+do 
+    echo "joining $ZT_NETWORK failed; trying again in 1s"
+    sleep 1
+done
+
+
+### Set IPTables to allow NATting
+echo "setting up NATting"
+sysctl -w net.ipv4.ip_forward=1
+PHY_IFACE=eth0; ZT_IFACE=$(ls /sys/class/net | grep ^zt)
+
+iptables -t nat -A POSTROUTING -o $PHY_IFACE -j MASQUERADE
+iptables -A FORWARD -i $PHY_IFACE -o $ZT_IFACE -m state --state RELATED,ESTABLISHED -j ACCEPT
+iptables -A FORWARD -i $ZT_IFACE -o $PHY_IFACE -j ACCEPT
+
+echo "iptables --list-rules"
+echo "$(ip a)"
+
+sleep infinity