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nixos/zipline: improve systemd hardening #387119

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Merged
SuperSandro2000 merged 2 commits into from
Mar 19, 2025
Merged

nixos/zipline: improve systemd hardening #387119

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0deb1b2
nixos/tests/zipline: add interactive config
Defelo Mar 4, 2025
ef19fcf
nixos/zipline: improve systemd hardening
Defelo Mar 4, 2025
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17 changes: 11 additions & 6 deletions nixos/modules/services/web-apps/zipline.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -107,9 +107,11 @@ in
ExecStart = lib.getExe cfg.package;

# Hardening
AmbientCapabilities = "";
CapabilityBoundingSet = [ "" ];
DeviceAllow = [ "" ];
DevicePolicy = "closed";
LockPersonality = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateTmp = true;
PrivateUsers = true;
Expand All @@ -123,15 +125,18 @@ in
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProtectSystem = "strict";
RestrictAddressFamilies = [
"AF_INET"
"AF_INET6"
"AF_UNIX"
];
RemoveIPC = true;
RestrictAddressFamilies = [ "AF_INET AF_INET6 AF_UNIX AF_NETLINK" ];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service"
"~@privileged"
"~@resources"
];
UMask = "0077";
};
};
};
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13 changes: 13 additions & 0 deletions nixos/tests/zipline.nix
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
{ lib, ... }:

{
name = "zipline";
meta.maintainers = with lib.maintainers; [ defelo ];
Expand All @@ -20,6 +21,18 @@
networking.hosts."127.0.0.1" = [ "zipline.local" ];
};

interactive.nodes.machine = {
services.zipline.settings.CORE_HOSTNAME = lib.mkForce "0.0.0.0";
networking.firewall.allowedTCPPorts = [ 8000 ];
virtualisation.forwardPorts = [
{
from = "host";
host.port = 8000;
guest.port = 8000;
}
];
};

testScript = ''
import json
import re
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