"beowulf" anticheat mod for Luanti

Image source: https://en.wikipedia.org/wiki/Beowulf_(hero)

State: WIP

Features

Kicks cheat clients if it detects a known version string
Logs suspicious player movements
Makes the noclip experience unpleasant

Requirements

Luanti must expose `version_string` in `core.get_player_information()`

Luanti provides this info without patches or using debug builds since version 5.11.0.
- See luanti-org/luanti#15708 for more information
Previous versions must be patched
- Working patch: https://raw.githubusercontent.com/minetest-hosting/minetest-docker/c15e5aa5150a014c3a8bb3dfa1da41c67220a386/patches/player_debug_info.patch (can be applied using patch -p1)

Settings

beowulf.dfdetect.enable_kick if true: kicks the player if it detects a known cheat client, defaults to false
beowulf.dfdetect.kick_message message to send if player is kicked for using a known cheat client. Defaults to "Unsupported client, get official client from www.luanti.org" if not configured.
beowulf.noclip_hurt.enable enables damage in common ground nodes to make the noclip experience as worse as possible (default: false)
beowulf.geoip_asn_kick.enable enables kicking of blacklisted ASN's resolved by the geoip mod (default false)

License

MIT