Files
clan-core/clanModules/sshd/roles/server.nix
2024-11-19 09:46:14 +00:00

69 lines
1.7 KiB
Nix

{
config,
pkgs,
lib,
...
}:
let
stringSet = list: builtins.attrNames (builtins.groupBy lib.id list);
signArgs = builtins.concatStringsSep " " (
builtins.map (domain: "-n ${lib.escapeShellArg "${config.clan.core.machineName}.${domain}"}") (
stringSet config.clan.sshd.certificate.searchDomains
)
);
cfg = config.clan.sshd;
in
{
imports = [ ../shared.nix ];
config = {
services.openssh = {
enable = true;
settings.PasswordAuthentication = false;
settings.HostCertificate = lib.mkIf (
cfg.certificate.searchDomains != [ ]
) config.clan.core.vars.generators.openssh-cert.files."ssh.id_ed25519-cert.pub".path;
hostKeys = [
{
path = config.clan.core.vars.generators.openssh.files."ssh.id_ed25519".path;
type = "ed25519";
}
];
};
clan.core.vars.generators.openssh = {
files."ssh.id_ed25519" = { };
files."ssh.id_ed25519.pub".secret = false;
migrateFact = "openssh";
runtimeInputs = [
pkgs.coreutils
pkgs.openssh
];
script = ''
ssh-keygen -t ed25519 -N "" -f $out/ssh.id_ed25519
'';
};
clan.core.vars.generators.openssh-cert = lib.mkIf (cfg.certificate.searchDomains != [ ]) {
files."ssh.id_ed25519-cert.pub".secret = false;
dependencies = [
"openssh"
"openssh-ca"
];
runtimeInputs = [
pkgs.openssh
pkgs.jq
];
script = ''
ssh-keygen \
-s $in/openssh-ca/id_ed25519 \
-I ${config.clan.core.machineName} \
${builtins.toString signArgs} \
$in/openssh/ssh.id_ed25519.pub
mv $in/openssh/ssh.id_ed25519-cert.pub $out/ssh.id_ed25519-cert.pub
'';
};
};
}