nixpkgs/nixos/modules/security/google_oslogin.nix
stuebinm 6afb255d97 nixos: remove all uses of lib.mdDoc
these changes were generated with nixq 0.0.2, by running

  nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix
  nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix
  nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix

two mentions of the mdDoc function remain in nixos/, both of which
are inside of comments.

Since lib.mdDoc is already defined as just id, this commit is a no-op as
far as Nix (and the built manual) is concerned.
2024-04-13 10:07:35 -07:00

76 lines
2.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.security.googleOsLogin;
package = pkgs.google-guest-oslogin;
in
{
options = {
security.googleOsLogin.enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable Google OS Login.
The OS Login package enables the following components:
AuthorizedKeysCommand to query valid SSH keys from the user's OS Login
profile during ssh authentication phase.
NSS Module to provide user and group information
PAM Module for the sshd service, providing authorization and
authentication support, allowing the system to use data stored in
Google Cloud IAM permissions to control both, the ability to log into
an instance, and to perform operations as root (sudo).
'';
};
};
config = mkIf cfg.enable {
security.pam.services.sshd = {
makeHomeDir = true;
googleOsLoginAccountVerification = true;
googleOsLoginAuthentication = true;
};
security.sudo.extraConfig = ''
#includedir /run/google-sudoers.d
'';
security.sudo-rs.extraConfig = ''
#includedir /run/google-sudoers.d
'';
systemd.tmpfiles.rules = [
"d /run/google-sudoers.d 750 root root -"
"d /var/google-users.d 750 root root -"
];
systemd.packages = [ package ];
systemd.timers.google-oslogin-cache.wantedBy = [ "timers.target" ];
# enable the nss module, so user lookups etc. work
system.nssModules = [ package ];
system.nssDatabases.passwd = [ "cache_oslogin" "oslogin" ];
system.nssDatabases.group = [ "cache_oslogin" "oslogin" ];
# Ugly: sshd refuses to start if a store path is given because /nix/store is group-writable.
# So indirect by a symlink.
environment.etc."ssh/authorized_keys_command_google_oslogin" = {
mode = "0755";
text = ''
#!/bin/sh
exec ${package}/bin/google_authorized_keys "$@"
'';
};
services.openssh.authorizedKeysCommand = "/etc/ssh/authorized_keys_command_google_oslogin %u";
services.openssh.authorizedKeysCommandUser = "nobody";
};
}