depot/nixos/modules/security/acme/mk-cert-ownership-assertion.nix
Luke Granger-Brown 57725ef3ec Squashed 'third_party/nixpkgs/' content from commit 76612b17c0ce
git-subtree-dir: third_party/nixpkgs
git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
2024-11-10 23:59:47 +00:00

21 lines
669 B
Nix

lib:
{ cert, groups, services }:
let
catSep = builtins.concatStringsSep;
svcGroups = svc:
(lib.optional (svc.serviceConfig ? Group) svc.serviceConfig.Group)
++ (svc.serviceConfig.SupplementaryGroups or [ ]);
in
{
assertion = builtins.all (svc:
svc.serviceConfig.User or "root" == "root"
|| builtins.elem svc.serviceConfig.User groups.${cert.group}.members
|| builtins.elem cert.group (svcGroups svc)
) services;
message = "Certificate ${cert.domain} (group=${cert.group}) must be readable by service(s) ${
catSep ", " (map (svc: "${svc.name} (user=${svc.serviceConfig.User} groups=${catSep " " (svcGroups svc)})") services)
}";
}