diff options
Diffstat (limited to 'krebs/3modules/iptables.nix')
| -rw-r--r-- | krebs/3modules/iptables.nix | 40 |
1 files changed, 7 insertions, 33 deletions
diff --git a/krebs/3modules/iptables.nix b/krebs/3modules/iptables.nix index b610ff3d1..d48ff6f2b 100644 --- a/krebs/3modules/iptables.nix +++ b/krebs/3modules/iptables.nix @@ -1,5 +1,7 @@ { config, lib, pkgs, ... }: +with import <stockholm/lib>; + let inherit (pkgs) writeText; @@ -7,27 +9,6 @@ let elem ; - inherit (lib) - concatMapStringsSep - concatStringsSep - attrNames - unique - fold - any - attrValues - catAttrs - filter - flatten - length - hasAttr - hasPrefix - mkEnableOption - mkOption - mkIf - types - sort - ; - cfg = config.krebs.iptables; out = { @@ -93,7 +74,7 @@ let Type = "simple"; RemainAfterExit = true; Restart = "always"; - ExecStart = "@${startScript} krebs-iptables_start"; + ExecStart = startScript; }; }; }; @@ -123,13 +104,6 @@ let buildRule = tn: cn: rule: - #target validation test: - assert (elem rule.target ([ "ACCEPT" "REJECT" "DROP" "QUEUE" "LOG" "RETURN" ] ++ (attrNames ts."${tn}"))) || hasPrefix "REDIRECT" rule.target || hasPrefix "DNAT" rule.target; - - #predicate validation test: - #maybe use iptables-test - #TODO: howto exit with evaluation error by shellscript? - #apperantly not possible from nix because evalatution wouldn't be deterministic. "${rule.predicate} -j ${rule.target}"; buildTable = tn: @@ -149,7 +123,7 @@ let #===== - rules4 = iptables-version: + rules = iptables-version: let #TODO: find out good defaults. tables-defaults = { @@ -171,14 +145,14 @@ let tables = tables-defaults // cfg.tables; in - writeText "krebs-iptables-rules${toString iptables-version}" '' + pkgs.writeText "krebs-iptables-rules${iptables-version}" '' ${buildTables iptables-version tables} ''; startScript = pkgs.writeDash "krebs-iptables_start" '' set -euf - iptables-restore < ${rules4 4} - ip6tables-restore < ${rules4 6} + iptables-restore < ${rules "v4"} + ip6tables-restore < ${rules "v6"} ''; in |