blob: b1a5c680a022eeb5cbc57cbc61bc001f91e0f8d7 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
{ config, lib, pkgs, ... }:
with lib;
let
cfgFile = pkgs.writeText "reader.conf" config.services.pcscd.readerConfig;
pluginEnv = pkgs.buildEnv {
name = "pcscd-plugins";
paths = map (p: "${p}/pcsc/drivers") config.services.pcscd.plugins;
};
in
{
###### interface
options.services.pcscd = {
enable = mkEnableOption "PCSC-Lite daemon";
plugins = mkOption {
type = types.listOf types.package;
default = [ pkgs.ccid ];
defaultText = literalExpression "[ pkgs.ccid ]";
example = literalExpression "[ pkgs.pcsc-cyberjack ]";
description = "Plugin packages to be used for PCSC-Lite.";
};
readerConfig = mkOption {
type = types.lines;
default = "";
example = ''
FRIENDLYNAME "Some serial reader"
DEVICENAME /dev/ttyS0
LIBPATH /path/to/serial_reader.so
CHANNELID 1
'';
description = ''
Configuration for devices that aren't hotpluggable.
See <citerefentry><refentrytitle>reader.conf</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for valid options.
'';
};
};
###### implementation
config = mkIf config.services.pcscd.enable {
environment.etc."reader.conf".source = cfgFile;
environment.systemPackages = [ pkgs.pcsclite ];
systemd.packages = [ (getBin pkgs.pcsclite) ];
systemd.sockets.pcscd.wantedBy = [ "sockets.target" ];
systemd.services.pcscd = {
environment.PCSCLITE_HP_DROPDIR = pluginEnv;
restartTriggers = [ "/etc/reader.conf" ];
# If the cfgFile is empty and not specified (in which case the default
# /etc/reader.conf is assumed), pcscd will happily start going through the
# entire confdir (/etc in our case) looking for a config file and try to
# parse everything it finds. Doesn't take a lot of imagination to see how
# well that works. It really shouldn't do that to begin with, but to work
# around it, we force the path to the cfgFile.
#
# https://github.com/NixOS/nixpkgs/issues/121088
serviceConfig.ExecStart = [ "" "${getBin pkgs.pcsclite}/bin/pcscd -f -x -c ${cfgFile}" ];
};
};
}
|