system/misc/wg-client-conf.nix

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# use nix-build -E (import <system>/misc/wg-client-conf.nix {})
{ pkgs ? import <nixpkgs> { }
, address
, privateKey
, dns ? "8.8.8.8"
, serverPublicKey
, serverEndpoint
}:
let
toINI = pkgs.lib.generators.toINI { };
configs = toINI {
Interface = {
# "10.10.10.10/32"
Address = address;
# See <system>/notes/vpn.md to generate private key and public key
PrivateKey = privateKey;
DNS = dns;
};
Peer = {
# See <system>/notes/vpn.md to generate private key and public key
PublicKey = serverPublicKey;
AllowedIPs = "0.0.0.0/0";
# <hostname>:<port>
Endpoint = serverEndpoint;
PersistentKeepalive = 25;
};
};
configFile = pkgs.writeText "wg-client.conf" configs;
showQrcode = pkgs.writeScript "qrcode" ''
${pkgs.qrencode}/bin/qrencode -t ansiutf8 < ${configFile}
'';
in
pkgs.runCommand "wg-client" { } ''
mkdir $out;
cp ${configFile} $out/wg-client.conf;
cp ${showQrcode} $out/qrcode;
''