forwarder
Forward message via netfilter.
Assume there have three machine, named A B and C. A and C are connected to B but not connects to each other. This thing can make A and C connected by using B to forward message.
Test environment: three CentOS (kernel 3.10.0) run on VMware, a real openwrt(kernel 4.9.87). GCC version 4.8.5. IP addresses are mentioned in code. Sensitivity rules only covers ICMP type 0&8 (ping request & reply) and only tested these.
WARNING: HARD-CODING
openwrt needs sdk for cross compiling. File struct is built.
License
This project is licensed under the MIT License - see the LICENSE file for details.