GRFreire/split-vpn-manager
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Guilherme Rugai Freire 1a451d7ad1
add note that the hardcoded nameserver is temporary
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README.md

Split VPN Manager

Simple script to manage vpn inside net namespaces and run programs inside of them.

Currently only supports openvpn, but wireguard and openconnect are in my plans.

Usage

Usage:
  ./split-vpn-manager.sh launch_openvpn --name NETNS_NAME --config CONFIG_FILE --auth AUTH_FILE
      starts a vpn connection and create the net namespace

  ./split-vpn-manager.sh run NETNS_NAME CMD
      runs a command in the specified net namespace

  ./split-vpn-manager.sh inspect NETNS_NAME
      list all processes using TCP/UDP sockets inside the specified net namespace

NOTE: Always run this script with privileged permissions (currently not)

Some useful commands

  • ps of processes
sudo ip netns pids $netns_name | xargs ps
  • run firefox
./split-vpn-manager.sh run $netns_name firefox -P $profile --new-session

Exit codes

EXIT_SUCCESS=0
EXIT_INVALID_COMMAND=1
EXIT_INVALID_ARGS=2
EXIT_MISSING_VALID_ARG=3
EXIT_NOT_ROOT=4
EXIT_FILE_DOESNOT_EXISTS=5
EXIT_NOT_ENOUGH_ARGS=6