diff options
Diffstat (limited to 'nixos/modules/services/system/kerberos/mit.nix')
-rw-r--r-- | nixos/modules/services/system/kerberos/mit.nix | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/nixos/modules/services/system/kerberos/mit.nix b/nixos/modules/services/system/kerberos/mit.nix new file mode 100644 index 00000000000..25d7d51e808 --- /dev/null +++ b/nixos/modules/services/system/kerberos/mit.nix @@ -0,0 +1,68 @@ +{ pkgs, config, lib, ... } : + +let + inherit (lib) mkIf concatStrings concatStringsSep concatMapStrings toList + mapAttrs mapAttrsToList; + cfg = config.services.kerberos_server; + kerberos = config.krb5.kerberos; + stateDir = "/var/lib/krb5kdc"; + PIDFile = "/run/kdc.pid"; + aclMap = { + add = "a"; cpw = "c"; delete = "d"; get = "i"; list = "l"; modify = "m"; + all = "*"; + }; + aclFiles = mapAttrs + (name: {acl, ...}: (pkgs.writeText "${name}.acl" (concatMapStrings ( + {principal, access, target, ...} : + let access_code = map (a: aclMap.${a}) (toList access); in + "${principal} ${concatStrings access_code} ${target}\n" + ) acl))) cfg.realms; + kdcConfigs = mapAttrsToList (name: value: '' + ${name} = { + acl_file = ${value} + } + '') aclFiles; + kdcConfFile = pkgs.writeText "kdc.conf" '' + [realms] + ${concatStringsSep "\n" kdcConfigs} + ''; + env = { + # What Debian uses, could possibly link directly to Nix store? + KRB5_KDC_PROFILE = "/etc/krb5kdc/kdc.conf"; + }; +in + +{ + config = mkIf (cfg.enable && kerberos == pkgs.krb5Full) { + systemd.services.kadmind = { + description = "Kerberos Administration Daemon"; + wantedBy = [ "multi-user.target" ]; + preStart = '' + mkdir -m 0755 -p ${stateDir} + ''; + serviceConfig.ExecStart = "${kerberos}/bin/kadmind -nofork"; + restartTriggers = [ kdcConfFile ]; + environment = env; + }; + + systemd.services.kdc = { + description = "Key Distribution Center daemon"; + wantedBy = [ "multi-user.target" ]; + preStart = '' + mkdir -m 0755 -p ${stateDir} + ''; + serviceConfig = { + Type = "forking"; + PIDFile = PIDFile; + ExecStart = "${kerberos}/bin/krb5kdc -P ${PIDFile}"; + }; + restartTriggers = [ kdcConfFile ]; + environment = env; + }; + + environment.etc = { + "krb5kdc/kdc.conf".source = kdcConfFile; + }; + environment.variables = env; + }; +} |