nixpkgs/nixos/modules/services/security/fprot.nix
2021-01-28 14:12:15 -08:00

83 lines
2.2 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
fprotUser = "fprot";
stateDir = "/var/lib/fprot";
fprotGroup = fprotUser;
cfg = config.services.fprot;
in {
options = {
services.fprot = {
updater = {
enable = mkEnableOption "automatic F-Prot virus definitions database updates";
productData = mkOption {
description = ''
product.data file. Defaults to the one supplied with installation package.
'';
type = types.path;
};
frequency = mkOption {
default = 30;
type = types.int;
description = ''
Update virus definitions every X minutes.
'';
};
licenseKeyfile = mkOption {
type = types.path;
description = ''
License keyfile. Defaults to the one supplied with installation package.
'';
};
};
};
};
###### implementation
config = mkIf cfg.updater.enable {
services.fprot.updater.productData = mkDefault "${pkgs.fprot}/opt/f-prot/product.data";
services.fprot.updater.licenseKeyfile = mkDefault "${pkgs.fprot}/opt/f-prot/license.key";
environment.systemPackages = [ pkgs.fprot ];
environment.etc."f-prot.conf" = {
source = "${pkgs.fprot}/opt/f-prot/f-prot.conf";
};
users.users.${fprotUser} =
{ uid = config.ids.uids.fprot;
description = "F-Prot daemon user";
home = stateDir;
};
users.groups.${fprotGroup} =
{ gid = config.ids.gids.fprot; };
services.cron.systemCronJobs = [ "*/${toString cfg.updater.frequency} * * * * root start fprot-updater" ];
systemd.services.fprot-updater = {
serviceConfig = {
Type = "oneshot";
RemainAfterExit = false;
};
wantedBy = [ "multi-user.target" ];
# have to copy fpupdate executable because it insists on storing the virus database in the same dir
preStart = ''
mkdir -m 0755 -p ${stateDir}
chown ${fprotUser}:${fprotGroup} ${stateDir}
cp ${pkgs.fprot}/opt/f-prot/fpupdate ${stateDir}
ln -sf ${cfg.updater.productData} ${stateDir}/product.data
'';
script = "/var/lib/fprot/fpupdate --keyfile ${cfg.updater.licenseKeyfile}";
};
};
}