76 lines
1.6 KiB
Nix
76 lines
1.6 KiB
Nix
{
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lib,
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config,
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pkgs,
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...
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}:
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with lib;
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let
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cfg = config.my.yubikey;
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formatKey = key: ":${key.handle},${key.userKey},${key.coseType},${key.options}";
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authfileContent = username: keys: username + lib.concatMapStrings formatKey keys;
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in
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{
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options.my.yubikey = {
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enable = mkEnableOption "yubiKey U2F authentication";
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username = mkOption {
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type = types.str;
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default = "h";
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};
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origin = mkOption {
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type = types.str;
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default = "pam://yubi";
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};
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keys = mkOption {
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type = types.listOf (
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types.submodule {
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options = {
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handle = mkOption {
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type = types.str;
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example = "<KeyHandle1>";
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};
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userKey = mkOption {
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type = types.str;
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example = "<UserKey1>";
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};
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coseType = mkOption {
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type = types.str;
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default = "es256";
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};
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options = mkOption {
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type = types.str;
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default = "";
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};
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};
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}
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);
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default = [ ];
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};
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};
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config = mkIf cfg.enable {
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security.pam = {
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u2f = {
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enable = true;
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settings = {
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interactive = true;
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cue = true;
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inherit (cfg) origin;
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authfile = pkgs.writeText "u2f-mappings" (authfileContent cfg.username cfg.keys);
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};
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};
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services = {
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login.u2fAuth = true;
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sudo.u2fAuth = true;
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};
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};
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services.udev.packages = [ pkgs.yubikey-personalization ];
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};
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}
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