v3.23.0

🎉 It's our 1000th commit!!! 🌟

Features

• Support for Wireguard (#565)
  • For Mullvad (#565)
  • For Windscribe (#565)
• Wireguard works with kernel space or user space if unavailable
• VPN_TYPE variable
• WIREGUARD_PRIVATE_KEY variable
• WIREGUARD_ADDRESS variable
• WIREGUARD_PRESHARED_KEY variable
• WIREGUARD_PORT variable
• OPENVPN_INTERFACE defaulting to tun0

Bug fixes

• Change ownership of OpenVPN configuration file with PUID and PGID
• OpenVPN custom config process user gets removed
• OpenVPN custom config with custom network interface name set properly in firewall
• Sorted IP addresses for servers.json (#574)
• Only allow traffic through VPN interface when needed

Documentation

• Update readme
  • Image size lowered to 31MB
  • Using Alpine 3.14
  • Wireguard support

Changes

• HTTP control server /v1/openvpn route interacts with OpenVPN settings only (not provider settings)

Maintenance

• internal/vpn package for vpn loop (OpenVPN and Wireguard)
• internal/netlink package used by internal/wireguard
• Improve internal/configuration code
• Read all settings first
• Context aware collectLines functions
• internal/tun package to handle tun device operations
  • TUN check verifies Rdev value of file
  • Inject as interface to main function
  • Add integration test
  • Clearer log message for end users if tun device does not exist
  • Remove tun file opening at the end of tun file creation
• Remove unix package (unneeded for tests)
• Do not mock unix.Mkdev (no OS operation)
• internal/openvpn/custom package for custom configuration with tests
• Better log when catching an OS signal
• Fix logger settings inheritance
• Keep VPN tunnel interface name in firewall state
• Upgrade from Go 1.16 to Go 1.17