AmongUs/Impostor
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Make Impostor's AC modular (#559)

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* Add extra configuration options for the anticheat

* Implement option to exempt hosts from AC checks

* Add AntiCheatConfig to InnerNetObject and friends

* Categorize calls in InnerNetObject.Anticheat

* Categorize other calls to ReportCheatAsync

* Update cosmetics AC handling

When Innersloth changed SetHat etc to SetHatStr as part of the cosmicube
update we accidentally created a few dead methods. Restore and update
the code.

* Push up cheat category to ReportCheatAsync

This makes it possible to log failed checks for diagnosis. Also much
cleaner now that we don't have to push AntiCheatConfig everywhere.
Should've done this immediately q.q

* Add back old version of ReportCheatAsync

some plugins used this method. affected plugins should rebuild after the
next impostor release

* Add documentation for modular anticheat

* Address comments

* Sort AntiCheatConfig keys

* Rework the option to allow cheating hosts

This option should actually be tristate: to not break host-only mods we
should disable the anticheat for hosts running host-only mods.

* Document CheatingHostMode

* Split Limits category in Color and Name Limits
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miniduikboot authored and GitHub committed 2024-04-04 20:09:59 +02:00
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docs/Server-configuration.md
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@@ -27,10 +27,20 @@ Impostor has an Http Server that is used by recent versions of Among Us to conne
Impostor has an Anticheat that makes it possible to kick cheaters from games automatically. Note that the anticheat is tuned on the vanilla version of the game, so client-side modifications could trigger the Anticheat if you're playing with them.
| Key | Default | Value |
| ----------------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Enabled** | `true` | Whether the anticheat should be enabled. |
| **BanIpFromGame** | `true` | When anticheat is enabled and a player is caught hacking, they will be kicked from the server. If this value is set to `true`, the player will be banned instead and will not be able to rejoin that specific game. |
| Key | Default | Value |
|----------------------------|-----------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Enabled** | `true` | Whether the anticheat should be enabled. |
| **BanIpFromGame** | `true` | When anticheat is enabled and a player is caught hacking, they will be kicked from the server. If this value is set to `true`, the player will be banned instead and will not be able to rejoin that specific game. |
| **AllowCheatingHosts** | `"Never"` | Configure whether hosts are allowed to cheat. "Never" forbids it, "Always" allows it. "IfRequested" allows hosts to cheat if they connect with the DisableServerAuthorityFlag set. |
| **EnableGameFlowChecks** | `true` | Enable checks that check if certain actions are done in the appropriate order or at the appropriate moment in the game. This includes changing cosmetics while in game or murdering too fast. |
| **EnableMustBeHostChecks** | `true` | Enables checks that check if players are the host before they can do actions that require them to be host of the game. This includes starting the game and spawning objects. |
| **EnableColorLimitChecks** | `true` | Enables checks that checks if players request colors that are already in use. |
| **EnableNameLimitChecks** | `true` | Enables checks that checks if player names have a length that is possible to set using the user interface. |
| **EnableOwnershipChecks** | `true` | Enables checks that check if players are allowed to perform a certain action on themself or another player. |
| **EnableRoleChecks** | `true` | Enables checks that check if players have the correct role when performing certain role abilities like venting or murdering. |
| **EnableTargetChecks** | `true` | Enables checks that check if certain packets to everyone that should only have been sent to certain players or vice versa. This includes sending votes or network objects. |
| **ForbidProtocolExtensions** | `true` | If disabled allows players to send network packets that go beyond the network packets sent by the vanilla game. This is necessary for most mods that need all players to install it. |
### Compatibility