102 lines
2.9 KiB
Nix
102 lines
2.9 KiB
Nix
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{ config, pkgs, lib, ... }:
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let
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inherit (lib) mkOption types;
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cfg = config.services.kerberos_server;
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inherit (config.security.krb5) package;
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format = import ../krb5/krb5-conf-format.nix { inherit pkgs lib; } { };
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in
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{
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imports = [
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(lib.mkRenamedOptionModule [ "services" "kerberos_server" "realms" ] [ "services" "kerberos_server" "settings" "realms" ])
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./mit.nix
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./heimdal.nix
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];
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options = {
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services.kerberos_server = {
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enable = lib.mkEnableOption (lib.mdDoc "the kerberos authentication server");
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settings = let
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aclEntry = types.submodule {
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options = {
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principal = mkOption {
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type = types.str;
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description = lib.mdDoc "Which principal the rule applies to";
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};
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access = mkOption {
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type = types.either
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(types.listOf (types.enum ["add" "cpw" "delete" "get" "list" "modify"]))
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(types.enum ["all"]);
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default = "all";
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description = lib.mdDoc "The changes the principal is allowed to make.";
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};
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target = mkOption {
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type = types.str;
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default = "*";
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description = lib.mdDoc "The principals that 'access' applies to.";
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};
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};
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};
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realm = types.submodule ({ name, ... }: {
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freeformType = format.sectionType;
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options = {
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acl = mkOption {
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type = types.listOf aclEntry;
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default = [
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{ principal = "*/admin"; access = "all"; }
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{ principal = "admin"; access = "all"; }
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];
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description = lib.mdDoc ''
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The privileges granted to a user.
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'';
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};
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};
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});
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in mkOption {
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type = types.submodule (format.type.getSubModules ++ [{
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options = {
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realms = mkOption {
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type = types.attrsOf realm;
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description = lib.mdDoc ''
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The realm(s) to serve keys for.
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'';
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};
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};
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}]);
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description = ''
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Settings for the kerberos server of choice.
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See the following documentation:
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- Heimdal: {manpage}`kdc.conf(5)`
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- MIT Kerberos: <https://web.mit.edu/kerberos/krb5-1.21/doc/admin/conf_files/kdc_conf.html>
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'';
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default = { };
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};
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};
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};
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config = lib.mkIf cfg.enable {
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environment.systemPackages = [ package ];
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assertions = [
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{
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assertion = cfg.settings.realms != { };
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message = "The server needs at least one realm";
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}
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{
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assertion = lib.length (lib.attrNames cfg.settings.realms) <= 1;
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message = "Only one realm per server is currently supported.";
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}
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];
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systemd.slices.system-kerberos-server = { };
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systemd.targets.kerberos-server = {
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wantedBy = [ "multi-user.target" ];
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};
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};
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}
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