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https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git
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93330c5453
This option has been initially in the mailserver.fullTextSearch scope. However, this option modifies the location of all index files of dovecot and not only those used by the full text search feature. It is then more relevant to have this option in the mailserver top level scope. Moreover, the default option has been changed to null in order to keep existing index files where they are: changing the index location means recreating all index files. The fts documentation however recommend to change this default location when enabling the fts feature.
84 lines
2.8 KiB
Nix
84 lines
2.8 KiB
Nix
# nixos-mailserver: a simple mail server
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# Copyright (C) 2016-2018 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, lib, ... }:
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let
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cfg = config.mailserver;
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certificatesDeps =
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if cfg.certificateScheme == 1 then
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[]
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else if cfg.certificateScheme == 2 then
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[ "mailserver-selfsigned-certificate.service" ]
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else
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[ "acme-finished-${cfg.fqdn}.target" ];
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in
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{
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config = with cfg; lib.mkIf enable {
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# Create self signed certificate
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systemd.services.mailserver-selfsigned-certificate = lib.mkIf (cfg.certificateScheme == 2) {
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after = [ "local-fs.target" ];
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script = ''
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# Create certificates if they do not exist yet
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dir="${cfg.certificateDirectory}"
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fqdn="${cfg.fqdn}"
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[[ $fqdn == /* ]] && fqdn=$(< "$fqdn")
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key="$dir/key-${cfg.fqdn}.pem";
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cert="$dir/cert-${cfg.fqdn}.pem";
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if [[ ! -f $key || ! -f $cert ]]; then
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mkdir -p "${cfg.certificateDirectory}"
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(umask 077; "${pkgs.openssl}/bin/openssl" genrsa -out "$key" 2048) &&
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"${pkgs.openssl}/bin/openssl" req -new -key "$key" -x509 -subj "/CN=$fqdn" \
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-days 3650 -out "$cert"
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fi
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'';
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serviceConfig = {
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Type = "oneshot";
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PrivateTmp = true;
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};
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};
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# Create maildir folder before dovecot startup
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systemd.services.dovecot2 = {
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wants = certificatesDeps;
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after = certificatesDeps;
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preStart = let
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directories = lib.strings.escapeShellArgs (
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[ mailDirectory ]
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++ lib.optional (cfg.indexDir != null) cfg.indexDir
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);
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in ''
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# Create mail directory and set permissions. See
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# <http://wiki2.dovecot.org/SharedMailboxes/Permissions>.
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mkdir -p ${directories}
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chgrp "${vmailGroupName}" ${directories}
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chmod 02770 ${directories}
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'';
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};
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# Postfix requires dovecot lmtp socket, dovecot auth socket and certificate to work
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systemd.services.postfix = {
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wants = certificatesDeps;
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after = [ "dovecot2.service" ]
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++ lib.optional cfg.dkimSigning "opendkim.service"
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++ certificatesDeps;
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requires = [ "dovecot2.service" ]
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++ lib.optional cfg.dkimSigning "opendkim.service";
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};
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};
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}
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