nixos/znc: harden systemd unit

This commit is contained in:
Robert Schütz 2021-05-08 18:04:01 +02:00
parent 6358647558
commit 4400ee83ec

View File

@ -258,6 +258,34 @@ in
ExecStart = "${pkgs.znc}/bin/znc --foreground --datadir ${cfg.dataDir} ${escapeShellArgs cfg.extraFlags}";
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
ExecStop = "${pkgs.coreutils}/bin/kill -INT $MAINPID";
# Hardening
CapabilityBoundingSet = [ "" ];
DevicePolicy = "closed";
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateTmp = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProtectSystem = "strict";
ReadWritePaths = [ cfg.dataDir ];
RemoveIPC = true;
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [ "@system-service" "~@privileged" "~@resources" ];
UMask = "0027";
};
preStart = ''
mkdir -p ${cfg.dataDir}/configs