misc_nixos-mailserver/mail-server/users.nix

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# nixos-mailserver: a simple mail server
# Copyright (C) 2016-2017 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/>
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{ config, pkgs, lib, ... }:
with config.mailserver;
let
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vmail_user = {
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name = vmailUserName;
isNormalUser = false;
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uid = vmailUIDStart;
home = mailDirectory;
createHome = true;
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group = vmailGroupName;
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};
# accountsToUser :: String -> UserRecord
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accountsToUser = account: {
name = account.name + "@" + domain;
isNormalUser = false;
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group = vmailGroupName;
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inherit (account) hashedPassword;
};
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# mail_users :: { [String]: UserRecord }
mail_users = lib.foldl (prev: next: prev // { "${next.name}" = next; }) {}
(map accountsToUser (lib.attrValues loginAccounts));
in
{
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config = lib.mkIf enable {
# set the vmail gid to a specific value
users.groups = {
"${vmailGroupName}" = { gid = vmailUIDStart; };
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};
# define all users
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users.users = mail_users // {
"${vmail_user.name}" = lib.mkForce vmail_user;
};
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};
}