pyrox.dev
1{
2 config,
3 lib,
4 pkgs,
5 ...
6}:
7let
8 cfg = config.networking.modemmanager;
9in
10{
11 meta = {
12 maintainers = lib.teams.freedesktop.members;
13 };
14
15 options = with lib; {
16 networking.modemmanager = {
17 enable = mkOption {
18 type = types.bool;
19 default = false;
20 description = ''
21 Whether to use ModemManager to manage modem devices.
22 This is usually used by some higher layer manager such as NetworkManager
23 but can be used standalone especially if using a modem for non-IP
24 connectivity (e.g. GPS).
25 '';
26 };
27
28 package = mkPackageOption pkgs "modemmanager" { };
29
30 fccUnlockScripts = mkOption {
31 type = types.listOf (
32 types.submodule {
33 options = {
34 id = mkOption {
35 type = types.str;
36 description = "vid:pid of either the PCI or USB vendor and product ID";
37 };
38 path = mkOption {
39 type = types.path;
40 description = "Path to the unlock script";
41 };
42 };
43 }
44 );
45 default = [ ];
46 example = literalExpression ''[{ id = "03f0:4e1d"; path = "''${pkgs.modemmanager}/share/ModemManager/fcc-unlock.available.d/03f0:4e1d"; }]'';
47 description = ''
48 List of FCC unlock scripts to enable on the system, behaving as described in
49 https://modemmanager.org/docs/modemmanager/fcc-unlock/#integration-with-third-party-fcc-unlock-tools.
50 '';
51 };
52 };
53 };
54
55 config = lib.mkIf cfg.enable {
56 environment.etc = builtins.listToAttrs (
57 map (
58 e:
59 lib.nameValuePair "ModemManager/fcc-unlock.d/${e.id}" {
60 source = e.path;
61 }
62 ) cfg.fccUnlockScripts
63 );
64
65 systemd.services.ModemManager = {
66 aliases = [ "dbus-org.freedesktop.ModemManager1.service" ];
67 path = lib.optionals (cfg.fccUnlockScripts != [ ]) [
68 pkgs.libqmi
69 pkgs.libmbim
70 ];
71 };
72
73 /*
74 [modem-manager]
75 Identity=unix-group:networkmanager
76 Action=org.freedesktop.ModemManager*
77 ResultAny=yes
78 ResultInactive=no
79 ResultActive=yes
80 */
81 security.polkit.enable = true;
82 security.polkit.extraConfig = ''
83 polkit.addRule(function(action, subject) {
84 if (
85 subject.isInGroup("networkmanager")
86 && action.id.indexOf("org.freedesktop.ModemManager") == 0
87 )
88 { return polkit.Result.YES; }
89 });
90 '';
91
92 environment.systemPackages = [ cfg.package ];
93 systemd.packages = [ cfg.package ];
94 services.dbus.packages = [ cfg.package ];
95 services.udev.packages = [ cfg.package ];
96 };
97}