diff --git a/configuration/default.nix b/configuration/default.nix index 239f9f6..f874733 100644 --- a/configuration/default.nix +++ b/configuration/default.nix @@ -22,6 +22,7 @@ ./services/foundryvtt.nix ./services/gitea.nix ./services/metrics + ./services/minecraft.nix ./services/nextcloud.nix ./services/webserver.nix ./services/wireguard.nix @@ -70,8 +71,6 @@ 8448 # starbound 21025 - # Minecraft - 25565 config.services.coturn.listening-port config.services.coturn.tls-listening-port @@ -80,9 +79,6 @@ ]; allowedUDPPorts = [ - # More minecraft - 25565 - config.services.coturn.listening-port config.services.coturn.tls-listening-port config.services.coturn.alt-listening-port diff --git a/configuration/services/crowdsec.nix b/configuration/services/crowdsec.nix index 6e0f367..6860354 100644 --- a/configuration/services/crowdsec.nix +++ b/configuration/services/crowdsec.nix @@ -12,6 +12,18 @@ "10.45.249.2" ]; + extraConfig."postoverflows/s01-whitelist/matrix-whitelist.yaml" = { + name = "tetsumaki/matrix"; + description = "custom matrix whitelist"; + whitelist = { + reason = "whitelist false positive for matrix"; + expression = [ + "evt.Overflow.Alert.Events[0].GetMeta('target_fqdn') == '${config.services.matrix-conduit.settings.global.server_name}'" + "evt.Overflow.Alert.GetScenario() in ['crowdsecurity/http-probing', 'crowdsecurity/http-crawl-non_statics']" + ]; + }; + }; + extraGroups = [ "systemd-journal" "nginx" @@ -55,36 +67,4 @@ }; }; }; - - # Add whitelists for matrix - systemd.tmpfiles.settings."10-matrix" = - let - stateDir = config.security.crowdsec.stateDirectory; - in - { - "${stateDir}/config/postoverflows".d = { - user = "crowdsec"; - group = "crowdsec"; - mode = "0700"; - }; - - "${stateDir}/config/postoverflows/s01-whitelist".d = { - user = "crowdsec"; - group = "crowdsec"; - mode = "0700"; - }; - - "${stateDir}/config/postoverflows/s01-whitelist/matrix-whitelist.yaml"."L+".argument = - ((pkgs.formats.yaml { }).generate "crowdsec-matrix-whitelist.yaml" { - name = "tetsumaki/matrix"; - description = "custom matrix whitelist"; - whitelist = { - reason = "whitelist false positive for matrix"; - expression = [ - "evt.Overflow.Alert.Events[0].GetMeta('target_fqdn') == '${config.services.matrix-conduit.settings.global.server_name}'" - "evt.Overflow.Alert.GetScenario() in ['crowdsecurity/http-probing', 'crowdsecurity/http-crawl-non_statics']" - ]; - }; - }).outPath; - }; } diff --git a/configuration/services/minecraft.nix b/configuration/services/minecraft.nix new file mode 100644 index 0000000..0477f44 --- /dev/null +++ b/configuration/services/minecraft.nix @@ -0,0 +1,83 @@ +{ + pkgs, + lib, + config, + ... +}: +{ + services.minecraft-server = { + enable = true; + eula = true; + # jvmOpts are set using a file for forge + # jvmOpts = "-Xmx8G -Xms8G"; + openFirewall = true; + + declarative = true; + + whitelist = { + tlater = "140d177a-966f-41b8-a4c0-e305babd291b"; + romino25 = "59cd1648-14a4-4bcf-8f5a-2e1bde678f2c"; + lasi25 = "0ab6e3d1-544a-47e7-8538-2e6c248e49a4"; + }; + + serverProperties = { + allow-flight = true; + difficulty = "hard"; + motd = "tlater.net"; + spawn-protection = 1; + white-list = true; + enable-query = true; + enable-status = true; + + # Allows the server to write chunks without hogging the main + # thread... + sync-chunk-writes = false; + # Disables chat reporting, because we don't need any of that + # drama on a lil' friends-only server. + enforce-secure-profile = false; + }; + + package = pkgs.writeShellApplication { + name = "minecraft-server"; + runtimeInputs = with pkgs; [ jdk17_headless ]; + + text = '' + exec /var/lib/minecraft/run.sh $@ + ''; + }; + }; + + systemd.services.minecraft-server = { + path = with pkgs; [ jdk17_headless ]; + + # Since we read from our own HTTP server, we need to wait for it + # to be up + after = [ "nginx.service" ]; + + serviceConfig = { + # Use packwiz to install mods + ExecStartPre = [ + "${pkgs.jdk17_headless}/bin/java -jar ${config.services.minecraft-server.dataDir}/packwiz-installer-bootstrap.jar -g -s server 'https://minecraft.${config.services.nginx.domain}/cobblemon-pack/pack.toml'" + ]; + # Forge requires some bonus JVM options, which they include in a + # little `run.sh` script + ExecStart = lib.mkForce "${config.services.minecraft-server.dataDir}/run.sh --nogui"; + }; + }; + + systemd.tmpfiles.settings."10-minecraft" = { + "/srv/minecraft".d = { + user = "nginx"; + group = "minecraft"; + mode = "0775"; + }; + }; + + services.nginx.virtualHosts."minecraft.${config.services.nginx.domain}" = { + forceSSL = true; + useACMEHost = "tlater.net"; + enableHSTS = true; + + root = "/srv/minecraft"; + }; +} diff --git a/modules/crowdsec/default.nix b/modules/crowdsec/default.nix index c0003a5..cc14939 100644 --- a/modules/crowdsec/default.nix +++ b/modules/crowdsec/default.nix @@ -31,6 +31,22 @@ let ${lib.concatMapStringsSep "\n---\n" builtins.toJSON cfg.acquisitions} --- ''; + + extraConfigs = pkgs.symlinkJoin { + name = "crowdsec-extra-configs"; + paths = lib.mapAttrsToList ( + path: settings: + (settingsFormat.generate path settings).overrideAttrs (old: { + patchPhase = '' + mkdir -p "$out/${dirOf path}/" + out="$out/${dirOf path}/" + + echo $out + exit 1 + ''; + }) + ) cfg.extraConfig; + }; in { imports = [ ./remediations ]; @@ -38,6 +54,7 @@ in options.security.crowdsec = let inherit (lib.types) + attrsOf nullOr listOf package @@ -85,6 +102,16 @@ in ''; }; + extraConfig = lib.mkOption { + type = attrsOf (settingsFormat.type); + default = { + "parsers/s02-enrich/nixos-whitelist.yaml" = cfg.parserWhitelist; + }; + description = '' + Set of additional configurations to install. + ''; + }; + acquisitions = lib.mkOption { type = listOf settingsFormat.type; default = [ ]; @@ -300,33 +327,6 @@ in group = "crowdsec"; mode = "0700"; }; - - "${cfg.stateDirectory}/config/parsers".d = lib.mkIf (cfg.parserWhitelist != [ ]) { - user = "crowdsec"; - group = "crowdsec"; - mode = "0700"; - }; - - "${cfg.stateDirectory}/config/parsers/s02-enrich".d = lib.mkIf (cfg.parserWhitelist != [ ]) { - user = "crowdsec"; - group = "crowdsec"; - mode = "0700"; - }; - - "${cfg.stateDirectory}/config/parsers/s02-enrich/nixos-whitelist.yaml" = - lib.mkIf (cfg.parserWhitelist != [ ]) - { - "L+".argument = - (settingsFormat.generate "crowdsec-nixos-whitelist.yaml" { - name = "nixos/parser-whitelist"; - description = "Parser whitelist generated by the crowdsec NixOS module"; - whitelist = { - reason = "Filtered by NixOS whitelist"; - ip = lib.lists.filter (ip: !(lib.hasInfix "/" ip)) cfg.parserWhitelist; - cidr = lib.lists.filter (ip: lib.hasInfix "/" ip) cfg.parserWhitelist; - }; - }).outPath; - }; }; services = { @@ -336,6 +336,8 @@ in description = "Crowdsec database and config preparation"; script = '' + cp --copy-contents --recursive ${extraConfigs}/. ${cfg.stateDirectory}/config + if [ ! -e '${cfg.settings.config_paths.simulation_path}' ]; then cp '${cfg.package}/share/crowdsec/config/simulation.yaml' '${cfg.settings.config_paths.simulation_path}' fi