Files
simple-nixos-mailserver/mail-server/common.nix
T
Martin Weinelt e9337b346f Rename mailserver.loginAccounts to mailserver.accounts
The "login" prefix makes this option more confusing rather than clearer,
because what other account types are there? LDAP ones for example, but
you can login with those too, so the prefix is pointless.
2026-03-24 01:35:48 +01:00

92 lines
2.5 KiB
Nix

# nixos-mailserver: a simple mail server
# Copyright (C) 2016-2018 Robin Raymond
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
{
config,
pkgs,
lib,
...
}:
let
cfg = config.mailserver;
in
rec {
withACME = cfg.x509.useACMEHost != null;
x509CertificateFile =
if withACME then
"${config.security.acme.certs.${cfg.x509.useACMEHost}.directory}/fullchain.pem"
else
cfg.x509.certificateFile;
x509PrivateKeyFile =
if withACME then
"${config.security.acme.certs.${cfg.x509.useACMEHost}.directory}/key.pem"
else
cfg.x509.privateKeyFile;
passwordFiles =
let
mkHashFile = name: hash: pkgs.writeText "${builtins.hashString "sha256" name}-password-hash" hash;
in
lib.mapAttrs (
name: value:
if value.hashedPasswordFile != null then
value.hashedPasswordFile
else if value.hashedPassword != null then
builtins.toString (mkHashFile name value.hashedPassword)
else
value.passwordFile
) cfg.accounts;
# Collect accounts with plain text passwords that require hashing
accountsWithPlaintextPasswordFiles = lib.filter (name: cfg.accounts.${name}.passwordFile != null) (
builtins.attrNames cfg.accounts
);
# Appends the LDAP bind password to files to avoid writing this
# password into the Nix store.
appendLdapBindPwd =
{
name,
file,
prefix,
suffix ? "",
passwordFile,
destination,
}:
pkgs.writeScript "append-ldap-bind-pwd-in-${name}"
# bash
''
#!${pkgs.stdenv.shell}
set -euo pipefail
baseDir=$(dirname ${destination})
if (! test -d "$baseDir"); then
mkdir -p $baseDir
chmod 755 $baseDir
fi
cat ${file} > ${destination}
echo -n '${prefix}' >> ${destination}
cat ${passwordFile} | tr -d '\n' >> ${destination}
echo -n '${suffix}' >> ${destination}
chmod 600 ${destination}
'';
}