126 lines
3.1 KiB
Nix
126 lines
3.1 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with pkgs;
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.services.opensmtpd;
|
|
conf = writeText "smtpd.conf" cfg.serverConfiguration;
|
|
args = concatStringsSep " " cfg.extraServerArgs;
|
|
|
|
sendmail = pkgs.runCommand "opensmtpd-sendmail" {} ''
|
|
mkdir -p $out/bin
|
|
ln -s ${opensmtpd}/sbin/smtpctl $out/bin/sendmail
|
|
'';
|
|
|
|
in {
|
|
|
|
###### interface
|
|
|
|
options = {
|
|
|
|
services.opensmtpd = {
|
|
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = "Whether to enable the OpenSMTPD server.";
|
|
};
|
|
|
|
addSendmailToSystemPath = mkOption {
|
|
type = types.bool;
|
|
default = true;
|
|
description = ''
|
|
Whether to add OpenSMTPD's sendmail binary to the
|
|
system path or not.
|
|
'';
|
|
};
|
|
|
|
extraServerArgs = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [];
|
|
example = [ "-v" "-P mta" ];
|
|
description = ''
|
|
Extra command line arguments provided when the smtpd process
|
|
is started.
|
|
'';
|
|
};
|
|
|
|
serverConfiguration = mkOption {
|
|
type = types.string;
|
|
default = "";
|
|
example = ''
|
|
listen on lo
|
|
accept for any deliver to lmtp localhost:24
|
|
'';
|
|
description = ''
|
|
The contents of the smtpd.conf configuration file. See the
|
|
OpenSMTPD documentation for syntax information. If this option
|
|
is left empty, the OpenSMTPD server will not start.
|
|
'';
|
|
};
|
|
|
|
procPackages = mkOption {
|
|
type = types.listOf types.path;
|
|
default = [];
|
|
description = ''
|
|
Packages to search for filters, tables, queues, and schedulers.
|
|
|
|
Add OpenSMTPD-extras here if you want to use the filters, etc. from
|
|
that package.
|
|
'';
|
|
};
|
|
};
|
|
|
|
};
|
|
|
|
|
|
###### implementation
|
|
|
|
config = mkIf cfg.enable {
|
|
users.extraGroups = {
|
|
smtpd.gid = config.ids.gids.smtpd;
|
|
smtpq.gid = config.ids.gids.smtpq;
|
|
};
|
|
|
|
users.extraUsers = {
|
|
smtpd = {
|
|
description = "OpenSMTPD process user";
|
|
uid = config.ids.uids.smtpd;
|
|
group = "smtpd";
|
|
};
|
|
smtpq = {
|
|
description = "OpenSMTPD queue user";
|
|
uid = config.ids.uids.smtpq;
|
|
group = "smtpq";
|
|
};
|
|
};
|
|
|
|
systemd.services.opensmtpd = let
|
|
procEnv = pkgs.buildEnv {
|
|
name = "opensmtpd-procs";
|
|
paths = [ opensmtpd ] ++ cfg.procPackages;
|
|
pathsToLink = [ "/libexec/opensmtpd" ];
|
|
};
|
|
in {
|
|
wantedBy = [ "multi-user.target" ];
|
|
wants = [ "network.target" ];
|
|
after = [ "network.target" ];
|
|
preStart = ''
|
|
mkdir -p /var/spool/smtpd
|
|
|
|
mkdir -p /var/spool/smtpd/offline
|
|
chown root.smtpq /var/spool/smtpd/offline
|
|
chmod 770 /var/spool/smtpd/offline
|
|
|
|
mkdir -p /var/spool/smtpd/purge
|
|
chmod 700 /var/spool/smtpd/purge
|
|
'';
|
|
serviceConfig.ExecStart = "${opensmtpd}/sbin/smtpd -d -f ${conf} ${args}";
|
|
environment.OPENSMTPD_PROC_PATH = "${procEnv}/libexec/opensmtpd";
|
|
};
|
|
|
|
environment.systemPackages = mkIf cfg.addSendmailToSystemPath [ sendmail ];
|
|
};
|
|
}
|