commit fd6e126bb0a34a2322610deed950159dfad75fb5 · kitten.sh/system

flake.nix

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             inherit (inputs.agenix.packages.${system}) agenix;

     

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             inherit (inputs.darwin.packages.${system}) darwin-rebuild;

     

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           });

     

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       +
       

     

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           apps = eachSystem (system: import ./lib/apps {

     

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             inherit lib;

     

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             pkgs = inputs.nixpkgs.legacyPackages.${system};

     

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           });

     

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         };

     

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       }

lib/apps/default.nix

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       inputs: {

     

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         genCerts = {

     

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           type = "app";

     

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           program = import ./genCerts.nix inputs;

     

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         };

     

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       }

+68

lib/apps/genCerts.nix

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       { lib, pkgs, ... }:

     

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       with lib;

     

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       let

     

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         cfssl = "${pkgs.cfssl}/bin/cfssl";

     

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         cfssljson = "${pkgs.cfssl}/bin/cfssljson";

     

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         caConf = pkgs.writeText "ca-conf.json" (builtins.toJSON {

     

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           signing = {

     

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             profiles = listToAttrs (map ({ name, extra ? [ ] }:

     

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               nameValuePair name {

     

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                 usages = extra ++ [ "signing" "key encipherment" "server auth" "client auth" ];

     

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                 expiry = "87600h";

     

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               }

     

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             ) [

     

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               { name = "auth-only"; }

     

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               { name = "auth-and-cert-sign"; extra = [ "cert sign" ]; }

     

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             ]);

     

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           };

     

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         });

     

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         mkCSR = name: pkgs.writeText "csr.json" (builtins.toJSON {

     

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           CN = name;

     

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           key = { algo = "rsa"; size = 4096; };

     

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           hosts = [ ];

     

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         });

     

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         mkGenCertCommand = { name, output, settings }: let

     

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           csr = mkCSR name;

     

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           args = attrsets.mapAttrsToList

     

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             (attr: value: if value == true then "-${attr}" else "-${attr}=${toString value}")

     

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             settings;

     

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         in ''

     

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           if [[ ! -f "${output}${name}.crt" ]]; then

     

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             mkdir -p "${output}"

     

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             ${cfssl} gencert ${concatStringsSep " " args} \

     

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               ${csr} | ${cfssljson} -bare "${output}/${name}"

     

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             rm "${output}/${name}.csr"

     

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             mv "${output}/${name}-key.pem" "${output}/${name}.key"

     

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             mv "${output}/${name}.pem" "${output}/${name}.crt"

     

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           fi

     

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         '';

     

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         caCertificate = {

     

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           name = "ca";

     

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           output = "modules/base/encrypt/";

     

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           settings.initca = true;

     

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         };

     

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         certificates = [

     

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           {

     

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             name = "mqtt";

     

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             output = "modules/automation/encrypt/";

     

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             settings = {

     

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               profile = "auth-only";

     

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               config = caConf;

     

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               ca = with caCertificate; "${output}/${name}.crt";

     

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               ca-key = with caCertificate; "${output}/${name}.key";

     

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             };

     

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           }

     

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         ];

     

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       in

     

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         toString (pkgs.writers.writeBash "genCerts" ''

     

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           set -e

     

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           cd "$DIR"

     

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           ${mkGenCertCommand caCertificate}

     

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           ${concatStringsSep "\n" (map mkGenCertCommand certificates)}

     

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         '')