nix-files/modules/services/dropbear.nix

38 lines
1.1 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.sane.services.dropbear;
in
{
options = {
sane.services.dropbear = with lib; {
enable = mkOption {
default = false;
type = types.bool;
};
package = mkOption {
type = types.package;
default = pkgs.dropbear;
defaultText = literalExpression "pkgs.dropbear";
};
port = mkOption {
type = types.port;
default = 22;
};
};
};
config = lib.mkIf cfg.enable {
systemd.services.dropbear = {
description = "Dropbear SSH Server";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig.Type = "simple";
# N.B.: dropbear ssh key format is incompatible with OpenSSH's.
# also, needs to be manually generated on first run (`dropbearkey -t rsa -f /etc/ssh/host_keys/dropbear_rsa_host_key -s 4096`)
serviceConfig.ExecStart = "${cfg.package}/bin/dropbear -F -p ${builtins.toString cfg.port} -r /etc/ssh/host_keys/dropbear_rsa_host_key -r /etc/ssh/host_keys/dropbear_ed25519_host_key";
};
};
}