112 lines
2.6 KiB
Nix
112 lines
2.6 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.services.postsrsd;
|
|
|
|
in {
|
|
|
|
###### interface
|
|
|
|
options = {
|
|
|
|
services.postsrsd = {
|
|
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = "Whether to enable the postsrsd SRS server for Postfix.";
|
|
};
|
|
|
|
domain = mkOption {
|
|
type = types.str;
|
|
description = "Domain name for rewrite";
|
|
};
|
|
|
|
secretsFile = mkOption {
|
|
type = types.path;
|
|
default = "/var/lib/postsrsd/postsrsd.secret";
|
|
description = "Secret keys used for signing and verification";
|
|
};
|
|
|
|
forwardPort = mkOption {
|
|
type = types.int;
|
|
default = 10001;
|
|
description = "Port for the forward SRS lookup";
|
|
};
|
|
|
|
reversePort = mkOption {
|
|
type = types.int;
|
|
default = 10002;
|
|
description = "Port for the reverse SRS lookup";
|
|
};
|
|
|
|
user = mkOption {
|
|
type = types.str;
|
|
default = "postsrsd";
|
|
description = "User for the daemon";
|
|
};
|
|
|
|
group = mkOption {
|
|
type = types.str;
|
|
default = "postsrsd";
|
|
description = "Group for the daemon";
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
###### implementation
|
|
|
|
config = mkIf cfg.enable {
|
|
|
|
services.postsrsd.domain = mkDefault config.networking.hostName;
|
|
|
|
users.extraUsers = optionalAttrs (cfg.user == "postsrsd") (singleton
|
|
{ name = "postsrsd";
|
|
group = cfg.group;
|
|
uid = config.ids.uids.postsrsd;
|
|
});
|
|
|
|
users.extraGroups = optionalAttrs (cfg.group == "postsrsd") (singleton
|
|
{ name = "postsrsd";
|
|
gid = config.ids.gids.postsrsd;
|
|
});
|
|
|
|
systemd.services.postsrsd = {
|
|
description = "PostSRSd SRS rewriting server";
|
|
after = [ "network.target" ];
|
|
before = [ "postfix.service" ];
|
|
wantedBy = [ "multi-user.target" ];
|
|
|
|
path = [ pkgs.coreutils ];
|
|
|
|
serviceConfig = {
|
|
ExecStart = ''${pkgs.postsrsd}/sbin/postsrsd "-s${cfg.secretsFile}" "-d${cfg.domain}" -f${toString cfg.forwardPort} -r${toString cfg.reversePort}'';
|
|
User = cfg.user;
|
|
Group = cfg.group;
|
|
PermissionsStartOnly = true;
|
|
};
|
|
|
|
preStart = ''
|
|
if [ ! -e "${cfg.secretsFile}" ]; then
|
|
echo "WARNING: secrets file not found, autogenerating!"
|
|
DIR="$(dirname "${cfg.secretsFile}")"
|
|
if [ ! -d "$DIR" ]; then
|
|
mkdir -p -m750 "$DIR"
|
|
chown "${cfg.user}:${cfg.group}" "$DIR"
|
|
fi
|
|
dd if=/dev/random bs=18 count=1 | base64 > "${cfg.secretsFile}"
|
|
chmod 600 "${cfg.secretsFile}"
|
|
fi
|
|
chown "${cfg.user}:${cfg.group}" "${cfg.secretsFile}"
|
|
'';
|
|
};
|
|
|
|
};
|
|
}
|