nixos-config/modules/nixos/common-settings/auth.nix
2024-12-04 19:54:32 +08:00

66 lines
1.4 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
inherit (lib)
mkIf
mkEnableOption
;
cfg = config.commonSettings.auth;
in
{
options.commonSettings.auth = {
enable = mkEnableOption "Common auth settings for servers";
};
config = mkIf cfg.enable {
services.kanidm = {
enableClient = true;
clientSettings = {
uri = "https://auth.xinyang.life";
};
enablePam = true;
unixSettings = {
pam_allowed_login_groups = [ "linux_users" ];
default_shell = "/bin/sh";
};
};
services.openssh = {
enable = true;
authorizedKeysCommand = "/etc/ssh/auth %u";
authorizedKeysCommandUser = "kanidm-ssh-runner";
settings = {
PasswordAuthentication = false;
KbdInteractiveAuthentication = false;
PermitRootLogin = lib.mkForce "no";
};
};
environment.etc."ssh/auth" = {
mode = "0555";
text = ''
#!${pkgs.stdenv.shell}
${pkgs.kanidm}/bin/kanidm_ssh_authorizedkeys $1
'';
};
users.groups.wheel.members = [ "xin@auth.xinyang.life" ];
users.groups.kanidm-ssh-runner = { };
users.users.kanidm-ssh-runner = {
isSystemUser = true;
group = "kanidm-ssh-runner";
};
services.fail2ban.enable = true;
security.sudo = {
execWheelOnly = true;
wheelNeedsPassword = false;
};
};
}