66 lines
1.7 KiB
Nix
66 lines
1.7 KiB
Nix
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{ config, pkgs, ... }:
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{
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sops.secrets.hostapd-config = {
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sopsFile = ../../secrets.yaml;
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};
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# The service is mostly taken from nixpkgs pr 222536.
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systemd.services.hostapd = {
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path = with pkgs; [ hostapd ];
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after = [ "sys-subsystem-net-devices-wlp5s0.device" ];
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bindsTo = [ "sys-subsystem-net-devices-wlp5s0.device" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${pkgs.hostapd}/bin/hostapd ${config.sops.secrets.hostapd-config.path}";
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Restart = "always";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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RuntimeDirectory = "hostapd";
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# Hardening
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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DevicePolicy = "closed";
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DeviceAllow = "/dev/rfkill rw";
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NoNewPrivileges = true;
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PrivateUsers = false; # hostapd requires true root access.
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PrivateTmp = 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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ProcSubset = "pid";
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ProtectSystem = "strict";
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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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"AF_UNIX"
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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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"@chown"
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];
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UMask = "0077";
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};
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};
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environment.systemPackages = with pkgs; [
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iw
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wirelesstools
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];
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# Wireless
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boot.kernelModules = [ "nl80211" ];
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}
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