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Mic92Mic92
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detect fingerprint sensors
1 parent 14bf524 commit 3828485

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4 files changed

+274
-1
lines changed

4 files changed

+274
-1
lines changed

‎flake.nix

+31
Original file line numberDiff line numberDiff line change
@@ -60,6 +60,37 @@
6060
(pkgs.callPackage ./formatter.nix { inputs = publicInputs // privateInputs; }).config.build.wrapper
6161
);
6262

63+
packages = eachSystem (
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{ pkgs, ... }:
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{
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fprint-supported-devices = pkgs.libfprint.overrideAttrs (old: {
67+
nativeBuildInputs = old.nativeBuildInputs or [ ] ++ [
68+
pkgs.jq
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pkgs.gawk
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];
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buildPhase = ''
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ninja libfprint/fprint-list-supported-devices
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'';
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outputs = [ "out" ];
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installPhase = ''
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./libfprint/fprint-list-supported-devices | \
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grep -o -E '(\b[0-9a-fA-F]{4}:[0-9a-fA-F]{4}\b)' | \
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awk '{print toupper($0)}' | \
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jq -R -s 'split("\n") | map(select(. != "")) | map({key: ., value: true}) | from_entries' > $out
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'';
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# we cannot disable doInstallcheck because than we are missing nativeCheckInputs dependencies
82+
installCheckPhase = "";
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});
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update-fprint-devices = pkgs.writeScriptBin "update-fprint-devices" ''
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#!${pkgs.stdenv.shell}
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target=$(git rev-parse --show-toplevel)/modules/nixos/fingerprint/devices.json
87+
cat ${publicInputs.self.packages.${pkgs.system}.fprint-supported-devices} > "$target"
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nix fmt -- "$target"
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git add -- "$target"
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'';
91+
}
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);
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6394
checks = eachSystem (
6495
{ pkgs, ... }:
6596
{

‎modules/nixos/facter.nix

+2-1
Original file line numberDiff line numberDiff line change
@@ -7,9 +7,10 @@
77
imports = [
88
./bluetooth.nix
99
./disk.nix
10-
./keyboard.nix
10+
./fingerprint
1111
./firmware.nix
1212
./graphics
13+
./keyboard.nix
1314
./networking
1415
./system.nix
1516
./virtualisation.nix

‎modules/nixos/fingerprint/default.nix

+47
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,47 @@
1+
{ lib, config, ... }:
2+
let
3+
devices = builtins.fromJSON (builtins.readFile ./devices.json);
4+
default = {
5+
value = 0;
6+
};
7+
8+
toZeroPaddedHex =
9+
n:
10+
let
11+
hex = lib.toHexString n;
12+
len = builtins.stringLength hex;
13+
in
14+
if len == 1 then
15+
"000${hex}"
16+
else if len == 2 then
17+
"00${hex}"
18+
else if len == 3 then
19+
"0${hex}"
20+
else
21+
hex;
22+
23+
isSupported = lib.any (
24+
{
25+
vendor ? default,
26+
device ? default,
27+
bus_type ? {
28+
name = "";
29+
},
30+
...
31+
}:
32+
bus_type.name == "USB"
33+
&& devices ? "${toZeroPaddedHex vendor.value}:${toZeroPaddedHex device.value}"
34+
);
35+
in
36+
{
37+
options.facter.detected.fingerprint.enable = lib.mkEnableOption "Fingerprint devices" // {
38+
default =
39+
isSupported (config.facter.report.hardware.unknown or [ ])
40+
|| isSupported (config.facter.report.hardware.fingerprint or [ ])
41+
|| isSupported (config.facter.report.hardware.usb or [ ]);
42+
};
43+
44+
config.services.fprintd.enable = lib.mkIf config.facter.detected.fingerprint.enable (
45+
lib.mkDefault true
46+
);
47+
}

‎modules/nixos/fingerprint/devices.json

+194
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,194 @@
1+
{
2+
"045E:00BB": true,
3+
"045E:00BC": true,
4+
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5+
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6+
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7+
"0483:2016": true,
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"0483:2017": true,
9+
"04F3:0903": true,
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11+
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12+
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14+
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17+
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18+
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19+
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20+
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21+
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22+
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23+
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24+
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25+
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26+
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27+
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28+
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30+
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31+
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32+
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33+
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34+
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35+
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36+
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37+
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38+
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39+
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40+
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41+
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42+
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44+
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45+
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47+
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48+
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49+
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50+
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51+
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54+
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55+
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64+
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65+
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66+
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67+
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68+
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69+
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70+
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71+
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72+
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73+
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74+
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75+
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76+
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77+
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78+
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79+
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80+
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81+
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82+
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83+
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84+
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85+
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86+
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87+
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88+
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89+
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90+
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91+
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92+
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94+
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95+
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96+
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97+
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98+
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99+
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100+
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101+
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102+
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103+
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116+
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118+
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119+
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120+
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121+
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134+
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135+
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136+
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137+
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138+
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139+
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140+
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141+
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142+
"138A:0001": true,
143+
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144+
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145+
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146+
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147+
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148+
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149+
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150+
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151+
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152+
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153+
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154+
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155+
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156+
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157+
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159+
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160+
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161+
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166+
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167+
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168+
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169+
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184+
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191+
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192+
"04F3:3148": true,
193+
"04F3:3134": true
194+
}

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