68 lines
1.5 KiB
Nix
Executable File
68 lines
1.5 KiB
Nix
Executable File
{
|
|
config,
|
|
lib,
|
|
pkgs,
|
|
...
|
|
}:
|
|
with lib;
|
|
let
|
|
cfg = config.nas-apps.crowdsec;
|
|
in
|
|
{
|
|
imports = [ ./options.nix ];
|
|
config = lib.mkIf cfg.enable {
|
|
services = {
|
|
crowdsec =
|
|
let
|
|
yaml = (pkgs.formats.yaml { }).generate;
|
|
acquisitions_file = yaml "acquisitions.yaml" {
|
|
source = "journalctl";
|
|
journalctl_filter = [ "_SYSTEMD_UNIT=sshd.service" ];
|
|
labels.type = "syslog";
|
|
};
|
|
in
|
|
{
|
|
enable = true;
|
|
enrollKeyFile = "${cfg.dataDir}/enroll.key";
|
|
settings = {
|
|
crowdsec_service.acquisition_path = acquisitions_file;
|
|
api.server = {
|
|
listen_uri = "0.0.0.0:${toString cfg.port}";
|
|
};
|
|
};
|
|
};
|
|
|
|
crowdsec-firewall-bouncer = {
|
|
enable = true;
|
|
settings = {
|
|
api_key = cfg.apiKey;
|
|
api_url = "http://${cfg.apiAddress}:${toString cfg.port}";
|
|
};
|
|
};
|
|
};
|
|
|
|
systemd.services.crowdsec.serviceConfig = {
|
|
ExecStartPre =
|
|
let
|
|
script = pkgs.writeScriptBin "register-bouncer" ''
|
|
#!${pkgs.runtimeShell}
|
|
set -eu
|
|
set -o pipefail
|
|
|
|
if ! cscli bouncers list | grep -q "nas-bouncer"; then
|
|
cscli bouncers add "nas-bouncer" --key "${cfg.apiKey}"
|
|
fi
|
|
'';
|
|
in
|
|
[ "${script}/bin/register-bouncer" ];
|
|
};
|
|
|
|
networking = {
|
|
firewall = {
|
|
allowedTCPPorts = [ cfg.port ];
|
|
allowedUDPPorts = [ cfg.port ];
|
|
};
|
|
};
|
|
};
|
|
}
|