41 lines
1.2 KiB
Nix
41 lines
1.2 KiB
Nix
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{lib, ...}: let
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inherit (lib) mkOptionDefault mapAttrs;
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hardenService = attrs:
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attrs
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// (mapAttrs (_: mkOptionDefault) {
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AmbientCapabilities = "";
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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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PrivateDevices = true;
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PrivateMounts = true;
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PrivateTmp = true;
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ProcSubset = "pid";
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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 = ["AF_UNIX" "AF_INET" "AF_INET6"];
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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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SystemCallErrorNumber = "EPERM";
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SystemCallFilter = [
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"@system-service"
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# Route-chain and OpenJ9 requires @resources calls
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"~@clock @cpu-emulation @debug @module @mount @obsolete @privileged @raw-io @reboot @swap"
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];
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});
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in {
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inherit hardenService;
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}
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