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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.services.udp514-journal;
description = "Forward syslog from network (udp/514) to journal";
in
{
options = {
services.udp514-journal = {
enable = lib.mkEnableOption "the udp514-journal systemd socket/service";
openFirewall = lib.mkEnableOption "" // {
description = "Whether to open the port in the firewall.";
};
port = lib.mkOption {
type = lib.types.port;
default = 514;
description = "Port to listen on";
};
package = lib.mkPackageOption pkgs "udp514-journal" { };
};
};
config = lib.mkIf cfg.enable {
systemd.sockets.udp514-journal = {
enable = true;
name = "udp514-journal.socket";
inherit description;
listenDatagrams = [ (builtins.toString cfg.port) ];
wantedBy = [ "sockets.target" ];
};
systemd.services.udp514-journal = {
enable = true;
name = "udp514-journal.service";
inherit description;
requires = [
"systemd-journald.socket"
"udp514-journal.socket"
];
serviceConfig = {
Type = "notify";
Restart = "always";
ExecStart = "${cfg.package}/bin/udp514-journal";
DynamicUser = "on";
CapabilityBoundingSet = "";
AmbientCapabilities = "";
ProtectSystem = "strict";
ProtectHome = "on";
PrivateDevices = "on";
PrivateTmp = true;
PrivateUsers = "self";
PrivateNetwork = "on";
RestrictAddressFamilies = [ "AF_UNIX" ];
RestrictNamespaces = true;
RestrictSUIDSGID = true;
RestrictRealtime = true;
LockPersonality = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service"
"~@privileged"
"~@resources"
];
ProtectClock = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = "on";
ProtectControlGroups = "strict";
ProtectProc = "noaccess";
ProcSubset = "pid";
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
MemoryMax = "5M";
UMask = "0077";
};
confinement = {
enable = true;
binSh = null;
};
};
networking.firewall.allowedUDPPorts = lib.mkIf cfg.openFirewall [ cfg.port ];
};
meta.maintainers = with lib.maintainers; [ usovalx ];
}
|
