Simple Crap Proxy

a simple & crap vpn implemented via tun/tap, currently worked on linux

archetecture

this vpn simply simulate a hub which broadcast all the packets to elsewhere except source machine.

how to use

1. install gcc, g++
2. install other build requirements(for ubuntu)

   apt install libssl-dev libpcap-dev
   

for server side

1. create certificate

   make create_crt
   

2. create server binary

   make
   

3. run server and listen to a port

   ./vpn_server 48763
   

for client side

1. create client binary

   make
   

2. run client and connected to remote vpn server to accquire address

   sudo ./vpn_client <server ip> 48763