68 lines
1.9 KiB
Nix
68 lines
1.9 KiB
Nix
{ 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.krb5) {
|
|
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;
|
|
};
|
|
}
|