pyrox.dev
1{ config, lib, pkgs, ... }:
2with lib;
3let
4 fprotUser = "fprot";
5 stateDir = "/var/lib/fprot";
6 fprotGroup = fprotUser;
7 cfg = config.services.fprot;
8in {
9 options = {
10
11 services.fprot = {
12 updater = {
13 enable = mkOption {
14 default = false;
15 description = ''
16 Whether to enable automatic F-Prot virus definitions database updates.
17 '';
18 };
19
20 productData = mkOption {
21 description = ''
22 product.data file. Defaults to the one supplied with installation package.
23 '';
24 };
25
26 frequency = mkOption {
27 default = 30;
28 description = ''
29 Update virus definitions every X minutes.
30 '';
31 };
32
33 licenseKeyfile = mkOption {
34 description = ''
35 License keyfile. Defaults to the one supplied with installation package.
36 '';
37 };
38
39 };
40 };
41 };
42
43 ###### implementation
44
45 config = mkIf cfg.updater.enable {
46
47 services.fprot.updater.productData = mkDefault "${pkgs.fprot}/opt/f-prot/product.data";
48 services.fprot.updater.licenseKeyfile = mkDefault "${pkgs.fprot}/opt/f-prot/license.key";
49
50 environment.systemPackages = [ pkgs.fprot ];
51 environment.etc = singleton {
52 source = "${pkgs.fprot}/opt/f-prot/f-prot.conf";
53 target = "f-prot.conf";
54 };
55
56 users.extraUsers = singleton
57 { name = fprotUser;
58 uid = config.ids.uids.fprot;
59 description = "F-Prot daemon user";
60 home = stateDir;
61 };
62
63 users.extraGroups = singleton
64 { name = fprotGroup;
65 gid = config.ids.gids.fprot;
66 };
67
68 services.cron.systemCronJobs = [ "*/${toString cfg.updater.frequency} * * * * root start fprot-updater" ];
69
70 systemd.services."fprot-updater" = {
71 serviceConfig = {
72 Type = "oneshot";
73 RemainAfterExit = false;
74 };
75 wantedBy = [ "multi-user.target" ];
76
77 # have to copy fpupdate executable because it insists on storing the virus database in the same dir
78 preStart = ''
79 mkdir -m 0755 -p ${stateDir}
80 chown ${fprotUser}:${fprotGroup} ${stateDir}
81 cp ${pkgs.fprot}/opt/f-prot/fpupdate ${stateDir}
82 ln -sf ${cfg.updater.productData} ${stateDir}/product.data
83 '';
84
85 script = "/var/lib/fprot/fpupdate --keyfile ${cfg.updater.licenseKeyfile}";
86 };
87 };
88}