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authortv <tv@krebsco.de>2016-06-30 01:43:33 +0200
committertv <tv@krebsco.de>2016-06-30 01:43:33 +0200
commit385b0345a6ce80cfbf9ba7126e1eb06e77f167d5 (patch)
tree16d2e60e0af57cd567cb73671b6269fbd60b6882 /mv/3modules
parent0c7a44139fba572487fe853310b6d88a6ffa21c3 (diff)
mv: stash
Diffstat (limited to 'mv/3modules')
-rw-r--r--mv/3modules/default.nix7
-rw-r--r--mv/3modules/iptables.nix125
2 files changed, 0 insertions, 132 deletions
diff --git a/mv/3modules/default.nix b/mv/3modules/default.nix
deleted file mode 100644
index 963f108b2..000000000
--- a/mv/3modules/default.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-_:
-
-{
- imports = [
- ./iptables.nix
- ];
-}
diff --git a/mv/3modules/iptables.nix b/mv/3modules/iptables.nix
deleted file mode 100644
index b2b41bf00..000000000
--- a/mv/3modules/iptables.nix
+++ /dev/null
@@ -1,125 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-with config.krebs.lib;
-let
- cfg = config.tv.iptables;
-
- out = {
- options.tv.iptables = api;
- config = lib.mkIf cfg.enable imp;
- };
-
- api = {
- enable = mkEnableOption "tv.iptables";
-
- input-internet-accept-new-tcp = mkOption {
- type = with types; listOf (either int str);
- default = [];
- };
-
- input-retiolum-accept-new-tcp = mkOption {
- type = with types; listOf (either int str);
- default = [];
- };
- };
-
- imp = {
- networking.firewall.enable = false;
-
- systemd.services.tv-iptables = {
- description = "tv-iptables";
- wantedBy = [ "network-pre.target" ];
- before = [ "network-pre.target" ];
- after = [ "systemd-modules-load.service" ];
-
- path = with pkgs; [
- iptables
- ];
-
- restartIfChanged = true;
-
- serviceConfig = {
- Type = "simple";
- RemainAfterExit = true;
- Restart = "always";
- ExecStart = "@${startScript} tv-iptables_start";
- };
- };
- };
-
-
- accept-new-tcp = port:
- "-p tcp -m tcp --dport ${port} -m conntrack --ctstate NEW -j ACCEPT";
-
- rules = iptables-version:
- pkgs.writeText "tv-iptables-rules${toString iptables-version}" ''
- *nat
- :PREROUTING ACCEPT [0:0]
- :INPUT ACCEPT [0:0]
- :OUTPUT ACCEPT [0:0]
- :POSTROUTING ACCEPT [0:0]
- ${concatMapStringsSep "\n" (rule: "-A PREROUTING ${rule}") ([]
- ++ [
- "! -i retiolum -p tcp -m tcp --dport 22 -j REDIRECT --to-ports 0"
- "-p tcp -m tcp --dport 11423 -j REDIRECT --to-ports 22"
- ]
- )}
- COMMIT
- *filter
- :INPUT DROP [0:0]
- :FORWARD DROP [0:0]
- :OUTPUT ACCEPT [0:0]
- :Retiolum - [0:0]
- ${concatMapStringsSep "\n" (rule: "-A INPUT ${rule}") ([]
- ++ [
- "-m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT"
- "-i lo -j ACCEPT"
- ]
- ++ map accept-new-tcp (unique (map toString cfg.input-internet-accept-new-tcp))
- ++ ["-i retiolum -j Retiolum"]
- )}
- ${concatMapStringsSep "\n" (rule: "-A Retiolum ${rule}") ([]
- ++ {
- ip4tables = [
- "-p icmp -m icmp --icmp-type echo-request -j ACCEPT"
- ];
- ip6tables = [
- "-p ipv6-icmp -m icmp6 --icmpv6-type echo-request -j ACCEPT"
- ];
- }."ip${toString iptables-version}tables"
- ++ map accept-new-tcp (unique (map toString cfg.input-retiolum-accept-new-tcp))
- ++ {
- ip4tables = [
- "-p tcp -j REJECT --reject-with tcp-reset"
- "-p udp -j REJECT --reject-with icmp-port-unreachable"
- "-j REJECT --reject-with icmp-proto-unreachable"
- ];
- ip6tables = [
- "-p tcp -j REJECT --reject-with tcp-reset"
- "-p udp -j REJECT --reject-with icmp6-port-unreachable"
- "-j REJECT"
- ];
- }."ip${toString iptables-version}tables"
- )}
- COMMIT
- '';
-
- startScript = pkgs.writeScript "tv-iptables_start" ''
- #! /bin/sh
- set -euf
- iptables-restore < ${rules 4}
- ip6tables-restore < ${rules 6}
- '';
-
-in
-out
-
-#let
-# cfg = config.tv.iptables;
-# arg' = arg // { inherit cfg; };
-#in
-#
-#{
-# options.tv.iptables = import ./options.nix arg';
-# config = lib.mkIf cfg.enable (import ./config.nix arg');
-#}