106 lines
3.2 KiB
Nix
106 lines
3.2 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.services.stalwart-mail;
|
|
configFormat = pkgs.formats.toml { };
|
|
configFile = configFormat.generate "stalwart-mail.toml" cfg.settings;
|
|
dataDir = "/var/lib/stalwart-mail";
|
|
|
|
in {
|
|
options.services.stalwart-mail = {
|
|
enable = mkEnableOption (mdDoc "the Stalwart all-in-one email server");
|
|
package = mkPackageOptionMD pkgs "stalwart-mail" { };
|
|
|
|
settings = mkOption {
|
|
inherit (configFormat) type;
|
|
default = { };
|
|
description = mdDoc ''
|
|
Configuration options for the Stalwart email server.
|
|
See <https://stalw.art/docs/category/configuration> for available options.
|
|
|
|
By default, the module is configured to store everything locally.
|
|
'';
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
# Default config: all local
|
|
services.stalwart-mail.settings = {
|
|
global.tracing.method = mkDefault "stdout";
|
|
global.tracing.level = mkDefault "info";
|
|
queue.path = mkDefault "${dataDir}/queue";
|
|
report.path = mkDefault "${dataDir}/reports";
|
|
store.db.path = mkDefault "${dataDir}/data/index.sqlite3";
|
|
store.blob.type = mkDefault "local";
|
|
store.blob.local.path = mkDefault "${dataDir}/data/blobs";
|
|
resolver.type = mkDefault "system";
|
|
};
|
|
|
|
systemd.services.stalwart-mail = {
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "local-fs.target" "network.target" ];
|
|
|
|
preStart = ''
|
|
mkdir -p ${dataDir}/{queue,reports,data/blobs}
|
|
'';
|
|
|
|
serviceConfig = {
|
|
ExecStart =
|
|
"${cfg.package}/bin/stalwart-mail --config=${configFile}";
|
|
|
|
# Base from template resources/systemd/stalwart-mail.service
|
|
Type = "simple";
|
|
LimitNOFILE = 65536;
|
|
KillMode = "process";
|
|
KillSignal = "SIGINT";
|
|
Restart = "on-failure";
|
|
RestartSec = 5;
|
|
StandardOutput = "syslog";
|
|
StandardError = "syslog";
|
|
SyslogIdentifier = "stalwart-mail";
|
|
|
|
DynamicUser = true;
|
|
User = "stalwart-mail";
|
|
StateDirectory = "stalwart-mail";
|
|
|
|
# Bind standard privileged ports
|
|
AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" ];
|
|
CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
|
|
|
|
# Hardening
|
|
DeviceAllow = [ "" ];
|
|
LockPersonality = true;
|
|
MemoryDenyWriteExecute = true;
|
|
PrivateDevices = true;
|
|
PrivateUsers = false; # incompatible with CAP_NET_BIND_SERVICE
|
|
ProcSubset = "pid";
|
|
PrivateTmp = true;
|
|
ProtectClock = true;
|
|
ProtectControlGroups = true;
|
|
ProtectHome = true;
|
|
ProtectHostname = true;
|
|
ProtectKernelLogs = true;
|
|
ProtectKernelModules = true;
|
|
ProtectKernelTunables = true;
|
|
ProtectProc = "invisible";
|
|
ProtectSystem = "strict";
|
|
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
|
|
RestrictNamespaces = true;
|
|
RestrictRealtime = true;
|
|
RestrictSUIDSGID = true;
|
|
SystemCallArchitectures = "native";
|
|
SystemCallFilter = [ "@system-service" "~@privileged" ];
|
|
UMask = "0077";
|
|
};
|
|
};
|
|
|
|
# Make admin commands available in the shell
|
|
environment.systemPackages = [ cfg.package ];
|
|
};
|
|
|
|
meta = {
|
|
maintainers = with maintainers; [ happysalada pacien ];
|
|
};
|
|
}
|