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make configuration a nixos module
This commit is contained in:
Silvan Mosberger
parent
bb4717bf0b
commit
692a677194
277
default.nix
Normal file
277
default.nix
Normal file
@ -0,0 +1,277 @@
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# nixos-mailserver: a simple mail server
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# Copyright (C) 2016-2017 Robin Raymond
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.mailserver;
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in
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{
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options.mailserver = {
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enable = mkEnableOption "nixos-mailserver";
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domain = mkOption {
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type = types.str;
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example = "example.com";
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description = "The domain that this mail server serves. So far only one domain is supported";
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};
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host_prefix = mkOption {
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type = types.str;
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default = "mail";
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description = ''
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The prefix of the FQDN of the server. In this example the FQDN of the server
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is given by 'mail.example.com'
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'';
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};
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login_accounts = mkOption {
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type = types.loaOf (types.submodule ({ name, ... }: {
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options = {
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name = mkOption {
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type = types.str;
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example = "user1";
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description = "Username";
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};
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hashedPassword = mkOption {
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type = types.str;
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example = "$6$evQJs5CFQyPAW09S$Cn99Y8.QjZ2IBnSu4qf1vBxDRWkaIZWOtmu1Ddsm3.H3CFpeVc0JU4llIq8HQXgeatvYhh5O33eWG3TSpjzu6/";
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description = ''
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Hashed password. Use `mkpasswd` as follows
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```
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mkpasswd -m sha-512 "super secret password"
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```
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'';
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};
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};
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config.name = mkDefault name;
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}));
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example = {
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user1 = {
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hashedPassword = "$6$evQJs5CFQyPAW09S$Cn99Y8.QjZ2IBnSu4qf1vBxDRWkaIZWOtmu1Ddsm3.H3CFpeVc0JU4llIq8HQXgeatvYhh5O33eWG3TSpjzu6/";
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};
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user2 = {
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hashedPassword = "$6$oE0ZNv2n7Vk9gOf$9xcZWCCLGdMflIfuA0vR1Q1Xblw6RZqPrP94mEit2/81/7AKj2bqUai5yPyWE.QYPyv6wLMHZvjw3Rlg7yTCD/";
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};
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};
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description = ''
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The login account of the domain. Every account is mapped to a unix user,
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e.g. `user1@example.com`. To generate the passwords use `mkpasswd` as
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follows
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```
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mkpasswd -m sha-512 "super secret password"
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```
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'';
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};
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valiases = mkOption {
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type = types.attrsOf (types.enum (builtins.attrNames cfg.login_accounts));
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example = {
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info = "user1";
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postmaster = "user1";
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abuse = "user1";
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};
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description = ''
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Virtual Aliases. A virtual alias `info = "user1"` means that
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all mail to `info@example.com` is forwarded to `user1@example.com`. Note
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that it is expected that `postmaster@example.com` and `abuse@example.com` is
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forwarded to some valid email address. (Alternatively you can create login
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accounts for `postmaster` and (or) `abuse`).
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'';
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};
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vmail_id_start = mkOption {
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type = types.int;
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default = 5000;
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description = ''
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The unix UID where the login_accounts are created. 5000 means that the first
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user will get 5000, the second 5001, ...
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'';
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};
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vmail_user_name = mkOption {
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type = types.str;
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default = "vmail";
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description = ''
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The user name and group name of the user that owns the directory where all
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the mail is stored.
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'';
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};
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vmail_group_name = mkOption {
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type = types.str;
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default = "vmail";
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description = ''
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The user name and group name of the user that owns the directory where all
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the mail is stored.
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'';
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};
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mail_dir = mkOption {
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type = types.string;
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default = "/var/vmail";
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description = ''
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Where to store the mail.
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'';
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};
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certificate_scheme = mkOption {
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type = types.enum [ 1 2 ];
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default = 2;
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description = ''
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Certificate Files. There are three options for these.
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1) You specify locations and manually copy certificates there.
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2) You let the server create new (self signed) certificates on the fly.
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3) You let the server create a certificate via `Let's Encrypt`. Note that
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this implies that a stripped down webserver has to be started. This also
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implies that the FQDN must be set as an `A` record to point to the IP of
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the server. TODO: Explain more details
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TODO: Only certificate scheme 1) and 2) work as of yet.
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'';
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};
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cert_file = mkOption {
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type = types.path;
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example = "/root/mail-server.crt";
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description = ''
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Scheme 1)
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Location of the certificate
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'';
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};
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key_file = mkOption {
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type = types.path;
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example = "/root/mail-server.key";
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description = ''
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Scheme 1)
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Location of the key file
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'';
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};
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cert_dir = mkOption {
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type = types.path;
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default = "/var/certs";
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description = ''
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Sceme 2)
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This is the folder where the certificate will be created. The name is
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hardcoded to "cert-<domain>.pem" and "key-<domain>.pem" and the
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certificate is valid for 10 years.
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'';
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};
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enable_imap = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to enable imap / pop3. Both variants are only supported in the
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(sane) startTLS configuration. (TODO: Allow SSL ports). The ports are
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110 - Pop3
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143 - IMAP
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587 - SMTP with login
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'';
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};
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enable_pop3 = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable POP3. Both variants are only supported in the
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(sane) startTLS configuration. (TODO: Allow SSL ports). The ports are
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110 - Pop3
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143 - IMAP
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587 - SMTP with login
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'';
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};
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# imapSsl = mkOption {} #< TODO
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# pop3Ssl = mkOption {} #< TODO
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virus_scanning = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to activate virus scanning. Note that virus scanning is _very_
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expensive memory wise.
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'';
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};
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dkim_signing = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to activate dkim signing.
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TODO: Explain how to put signature into domain record
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'';
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};
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dkim_selector = mkOption {
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type = types.string;
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default = "mail";
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description = ''
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'';
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};
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dkim_dir = mkOption {
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type = types.path;
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default = "/var/dkim";
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description = ''
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'';
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};
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};
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config = mkIf cfg.enable {
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services = import ./mail-server/services.nix {
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inherit lib;
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inherit (cfg) mail_dir vmail_user_name vmail_group_name valiases domain
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enable_imap enable_pop3 virus_scanning dkim_signing dkim_selector
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dkim_dir certificate_scheme cert_file key_file cert_dir;
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};
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environment = import ./mail-server/environment.nix {
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inherit pkgs;
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inherit (cfg) certificate_scheme;
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};
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networking = import ./mail-server/networking.nix {
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inherit (cfg) domain host_prefix enable_imap enable_pop3;
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};
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systemd = import ./mail-server/systemd.nix {
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inherit pkgs;
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inherit (cfg) mail_dir vmail_group_name certificate_scheme cert_dir host_prefix
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domain dkim_selector dkim_dir;
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};
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users = import ./mail-server/users.nix {
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inherit lib;
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inherit (cfg) vmail_id_start vmail_user_name vmail_group_name domain mail_dir
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login_accounts;
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};
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};
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}
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161
mail-config.nix
161
mail-config.nix
@ -1,161 +0,0 @@
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# nixos-mailserver: a simple mail server
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# Copyright (C) 2016-2017 Robin Raymond
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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{ config, pkgs, ... }:
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let
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#
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# The domain that this mail server serves. So far only one domain is supported
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#
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domain = "example.com";
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#
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# The prefix of the FQDN of the server. In this example the FQDN of the server
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# is given by 'mail.example.com'
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#
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host_prefix = "mail";
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#
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# The login account of the domain. Every account is mapped to a unix user,
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# e.g. `user1@example.com`. To generate the passwords use `mkpasswd` as
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# follows
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#
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# ```
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# mkpasswd -m sha-512 "super secret password"
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# ```
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#
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login_accounts = [
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{ name = "user1";
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password = "$6$evQJs5CFQyPAW09S$Cn99Y8.QjZ2IBnSu4qf1vBxDRWkaIZWOtmu1Ddsm3.H3CFpeVc0JU4llIq8HQXgeatvYhh5O33eWG3TSpjzu6/";
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}
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{ name = "user2";
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password = "$6$oE0ZNv2n7Vk9gOf$9xcZWCCLGdMflIfuA0vR1Q1Xblw6RZqPrP94mEit2/81/7AKj2bqUai5yPyWE.QYPyv6wLMHZvjw3Rlg7yTCD/";
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}
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];
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#
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# Virtual Aliases. A virtual alias { from = "info"; to = "user1"; } means that
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# all mail to `info@example.com` is forwarded to `user1@example.com`. Note
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# that it is expected that `postmaster@example.com` and `abuse@example.com` is
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# forwarded to some valid email address. (Alternatively you can create login
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# accounts for `postmaster` and (or) `abuse`).
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#
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valiases = [
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{ from = "info";
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to = "user1";
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}
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{ from = "postmaster";
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to = "user1";
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}
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{ from = "abuse";
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to = "user1";
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}
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];
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#
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# The unix UID where the login_accounts are created. 5000 means that the first
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# user will get 5000, the second 5001, ...
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#
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vmail_id_start = 5000;
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#
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# The user name and group name of the user that owns the directory where all
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# the mail is stored.
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#
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vmail_user_name = "vmail";
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vmail_group_name = "vmail";
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#
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# Where to store the mail.
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#
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mail_dir = "/var/vmail";
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#
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# Certificate Files. There are three options for these.
|
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#
|
||||
# 1) You specify locations and manually copy certificates there.
|
||||
# 2) You let the server create new (self signed) certificates on the fly.
|
||||
# 3) You let the server create a certificate via `Let's Encrypt`. Note that
|
||||
# this implies that a stripped down webserver has to be started. This also
|
||||
# implies that the FQDN must be set as an `A` record to point to the IP of
|
||||
# the server. TODO: Explain more details
|
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#
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# TODO: Only certificate scheme 1) and 2) work as of yet.
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certificate_scheme = 2;
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# Sceme 1)
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cert_file = "/root/mail-server.crt";
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key_file = "/root/mail-server.key";
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# Sceme 2)
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# This is the folder where the certificate will be created. The name is
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# hardcoded to "cert-${domain}.pem" and "key-${domain}.pem" and the
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# certificate is valid for 10 years.
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cert_dir = "/var/certs";
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#
|
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# Whether to enable imap / pop3. Both variants are only supported in the
|
||||
# (sane) startTLS configuration. (TODO: Allow SSL ports). The ports are
|
||||
#
|
||||
# 110 - Pop3
|
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# 143 - IMAP
|
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# 587 - SMTP with login
|
||||
#
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enable_imap = true;
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enable_pop3 = false;
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# imap_ssl = false; #< TODO
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# pop3_ssl = false; #< TODO
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#
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# Whether to activate virus scanning. Note that virus scanning is _very_
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# expensive memory wise.
|
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#
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virus_scanning = false;
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#
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# Whether to activate dkim signing.
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# TODO: Explain how to put signature into domain record
|
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#
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dkim_signing = true;
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dkim_selector = "mail";
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dkim_dir = "/var/dkim";
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in
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{
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services = import ./mail-server/services.nix {
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inherit mail_dir vmail_user_name vmail_group_name valiases domain
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enable_imap enable_pop3 virus_scanning dkim_signing dkim_selector
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dkim_dir certificate_scheme cert_file key_file cert_dir;
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};
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environment = import ./mail-server/environment.nix {
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inherit pkgs certificate_scheme;
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};
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networking = import ./mail-server/networking.nix {
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inherit domain host_prefix enable_imap enable_pop3;
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};
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systemd = import ./mail-server/systemd.nix {
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inherit mail_dir vmail_group_name certificate_scheme cert_dir host_prefix
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domain pkgs dkim_selector dkim_dir;
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};
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users = import ./mail-server/users.nix {
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inherit vmail_id_start vmail_user_name vmail_group_name domain mail_dir
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login_accounts;
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};
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}
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@ -17,7 +17,7 @@
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{ domain, host_prefix, enable_imap, enable_pop3 }:
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{
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hostName = "${host_prefix}.${domain}";
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#hostName = "${host_prefix}.${domain}";
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firewall = {
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enable = true;
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@ -14,22 +14,18 @@
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# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>
|
||||
|
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{ mail_dir, domain, valiases, cert, key }:
|
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{ lib, mail_dir, domain, valiases, cert, key }:
|
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|
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let
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# valiasToString :: { from = "..."; to = "..." } -> String
|
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valiasToString = x: "${x.from}@${domain} ${x.to}@${domain}\n";
|
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|
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# valiases_postfix :: [ String ]
|
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valiases_postfix = map valiasToString valiases;
|
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|
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# concatString :: [ String ] -> String
|
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concatString = l: if l == []
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then ""
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else (builtins.head l) + (concatString (builtins.tail l));
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valiases_postfix = map
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(from:
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let to = valiases.${from};
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in "${from}@${domain} ${to}@${domain}")
|
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(builtins.attrNames valiases);
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|
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# valiases_file :: Path
|
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valiases_file = builtins.toFile "valias" (concatString valiases_postfix);
|
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valiases_file = builtins.toFile "valias" (lib.concatStringsSep "\n" valiases_postfix);
|
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# vhosts_file :: Path
|
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vhosts_file = builtins.toFile "vhosts" domain;
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|
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@ -14,7 +14,7 @@
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>
|
||||
|
||||
{ mail_dir, vmail_user_name, vmail_group_name, valiases, domain, enable_imap,
|
||||
{ lib, mail_dir, vmail_user_name, vmail_group_name, valiases, domain, enable_imap,
|
||||
enable_pop3, virus_scanning, dkim_signing, dkim_selector, dkim_dir,
|
||||
certificate_scheme, cert_file, key_file, cert_dir }:
|
||||
|
||||
@ -44,7 +44,7 @@ in
|
||||
};
|
||||
|
||||
postfix = import ./postfix.nix {
|
||||
inherit mail_dir domain valiases cert key;
|
||||
inherit lib mail_dir domain valiases cert key;
|
||||
};
|
||||
|
||||
dovecot2 = import ./dovecot.nix {
|
||||
|
||||
@ -14,7 +14,7 @@
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>
|
||||
|
||||
{ vmail_id_start, vmail_user_name, vmail_group_name, domain, mail_dir,
|
||||
{ lib, vmail_id_start, vmail_user_name, vmail_group_name, domain, mail_dir,
|
||||
login_accounts }:
|
||||
|
||||
let
|
||||
@ -28,15 +28,15 @@ let
|
||||
}];
|
||||
|
||||
# accountsToUser :: String -> UserRecord
|
||||
accountsToUser = x: {
|
||||
name = x.name + "@" + domain;
|
||||
accountsToUser = account: {
|
||||
name = account.name + "@" + domain;
|
||||
isNormalUser = false;
|
||||
group = vmail_group_name;
|
||||
hashedPassword = x.password;
|
||||
inherit (account) hashedPassword;
|
||||
};
|
||||
|
||||
# mail_user :: [ UserRecord ]
|
||||
mail_user = map accountsToUser login_accounts;
|
||||
mail_user = map accountsToUser (lib.attrValues login_accounts);
|
||||
|
||||
in
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user