nixos-config/config/profile-config/common.nix

172 lines
3.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
hostname = config.instance.hostname;
# Available to all users on the system. Keep it minimal.
global-packages = with pkgs; [
bind
cryptsetup
git
heimdal
mosh
openssh_gssapi
tldr
vim
wget
];
import-paths = [ ./build ./host ./user ];
in {
imports = let
is-regular-file = filename: type: type == "regular" || type == "link";
regular-files = path:
attrNames (filterAttrs is-regular-file (builtins.readDir path));
is-nix-file = filename: (builtins.match "^(.+).nix$" filename) != null;
nix-files = path:
map (file: path + "/${file}") (filter is-nix-file (regular-files path));
in concatMap nix-files import-paths;
config = {
fudo.hosts.${hostname}.local-networks = [ "::1/128" ];
system.autoUpgrade.enable = false;
nix = {
package = pkgs.nixFlakes;
extraOptions = ''
experimental-features = nix-command flakes
'';
gc = {
automatic = true;
dates = "weekly";
options = "--delete-older-than 7d";
};
};
nixpkgs.config.allowUnfree = true;
hardware.enableRedistributableFirmware = true;
krb5 = {
enable = true;
appdefaults = {
forwardable = true;
proxiable = true;
encrypt = true;
forward = true;
};
libdefaults = {
allow_weak_crypto = true;
dns_lookup_kdc = true;
dns_lookup_realm = true;
forwardable = true;
proxiable = true;
};
kerberos = pkgs.heimdalFull;
};
services = {
openssh = {
enable = true;
startWhenNeeded = true;
useDns = true;
permitRootLogin = "prohibit-password";
extraConfig = ''
GSSAPIAuthentication yes
GSSAPICleanupCredentials yes
GSSAPIKeyExchange yes
GSSAPIStoreCredentialsOnRekey yes
'';
};
fail2ban =
let domain-name = config.fudo.hosts.${config.instance.hostname}.domain;
in {
enable = config.networking.firewall.enable;
bantime-increment.enable = true;
};
xserver = {
layout = "us";
xkbVariant = "dvp";
xkbOptions = "ctrl:nocaps";
};
btrfs.autoScrub.enable = let
btrfsFilesystems = filter (fsOpts: fsOpts.fsType == "btrfs")
(attrValues config.fileSystems);
in length btrfsFilesystems > 0;
# pcscd.enable = true;
# udev.packages = with pkgs; [ yubikey-personalization ];
};
networking.firewall = {
# Allow mosh connections if the firewall is enabled
allowedUDPPortRanges = [{
from = 60000;
to = 60100;
}];
};
console.useXkbConfig = true;
i18n.defaultLocale = "en_US.UTF-8";
programs = {
mosh.enable = true;
bash.enableCompletion = true;
fish.enable = true;
gnupg.agent = {
enable = true;
# enableSSHSupport = true;
# pinentryFlavor = if cfg.enable-gui then "gnome3" else "curses";
};
ssh = {
startAgent = true;
package = pkgs.openssh_gssapi;
extraConfig = ''
GSSAPIAuthentication yes
GSSAPIDelegateCredentials yes
'';
};
};
security = {
acme.acceptTerms = true;
sudo.extraConfig = ''
# rollback results in sudo lectures after each reboot
Defaults lecture = never
'';
pam = {
enableSSHAgentAuth = true;
services = {
sshd = {
makeHomeDir = true;
sshAgentAuth = true;
# This isn't supposed to ask for a code unless ~/.google_authenticator exists...but it does
# googleAuthenticator.enable = true;
};
};
};
};
home-manager = { useGlobalPkgs = true; };
};
}