79 lines
1.7 KiB
Nix
79 lines
1.7 KiB
Nix
{
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inputs,
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pkgs,
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lib,
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...
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}:
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let
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cfg = {
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interfaces = "lan-.*";
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rules = [
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{
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from = ".*";
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to = "lan-home";
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allow_answers = ".*";
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}
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{
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from = "lan-home";
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to = "lan-services";
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allow_questions = "(nucnix|elisabeth)";
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}
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{
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from = "lan-home";
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to = "lan-devices";
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allow_questions = "(printer|ipp|uscans|alljoyn)";
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}
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];
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};
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in
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{
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systemd.services.mdns-relay = {
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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environment.RUST_LOG = "trace";
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serviceConfig = {
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Restart = "on-failure";
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ExecStart = "${
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lib.getExe inputs.mdns.packages.${pkgs.system}.default
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} -c ${pkgs.writeText "config.json" (builtins.toJSON cfg)}";
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# Hardening
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DynamicUser = true;
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CapabilityBoundingSet = "";
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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NoNewPrivileges = true;
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PrivateUsers = true;
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PrivateTmp = true;
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PrivateDevices = true;
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PrivateMounts = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectProc = "invisible";
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ProtectSystem = "strict";
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RemoveIPC = true;
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RestrictAddressFamilies = [
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"AF_INET"
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"AF_INET6"
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"AF_NETLINK"
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];
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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SystemCallArchitectures = "native";
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SystemCallFilter = [
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"@system-service"
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"~@privileged"
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];
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UMask = "0027";
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};
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};
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}
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