nixos/znc: harden systemd unit
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6358647558
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@ -258,6 +258,34 @@ in
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ExecStart = "${pkgs.znc}/bin/znc --foreground --datadir ${cfg.dataDir} ${escapeShellArgs cfg.extraFlags}";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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ExecStop = "${pkgs.coreutils}/bin/kill -INT $MAINPID";
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# Hardening
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CapabilityBoundingSet = [ "" ];
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DevicePolicy = "closed";
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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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PrivateTmp = true;
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PrivateUsers = 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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ReadWritePaths = [ cfg.dataDir ];
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RemoveIPC = true;
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RestrictAddressFamilies = [ "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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SystemCallFilter = [ "@system-service" "~@privileged" "~@resources" ];
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UMask = "0027";
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};
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preStart = ''
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mkdir -p ${cfg.dataDir}/configs
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