From 716a2fc6e842ff051df6de1999b5b97780f2d2cd Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Thu, 30 Jun 2016 00:52:35 +0200
Subject: [PATCH] tv iptables: add input-*-accept-udp
---
tv/1systems/cd.nix | 8 ++++----
tv/1systems/mkdir.nix | 4 ++--
tv/1systems/rmdir.nix | 4 ++--
tv/2configs/default.nix | 2 +-
tv/2configs/exim-retiolum.nix | 2 +-
tv/2configs/exim-smarthost.nix | 2 +-
tv/2configs/nginx/default.nix | 2 +-
tv/2configs/nginx/public_html.nix | 2 +-
tv/2configs/retiolum.nix | 2 +-
tv/3modules/iptables.nix | 24 ++++++++++++++++++------
10 files changed, 32 insertions(+), 20 deletions(-)
diff --git a/tv/1systems/cd.nix b/tv/1systems/cd.nix
index 32d956b8a..a46edb4d9 100644
--- a/tv/1systems/cd.nix
+++ b/tv/1systems/cd.nix
@@ -18,7 +18,7 @@ with config.krebs.lib;
enable = true;
ssl_cert = ../Zcerts/charybdis_cd.crt.pem;
};
- tv.iptables.input-retiolum-accept-new-tcp = [
+ tv.iptables.input-retiolum-accept-tcp = [
config.tv.charybdis.port
config.tv.charybdis.sslport
];
@@ -28,14 +28,14 @@ with config.krebs.lib;
enable = true;
hosts = [ "jabber.viljetic.de" ];
};
- tv.iptables.input-internet-accept-new-tcp = [
+ tv.iptables.input-internet-accept-tcp = [
"xmpp-client"
"xmpp-server"
];
}
{
krebs.github-hosts-sync.enable = true;
- tv.iptables.input-internet-accept-new-tcp =
+ tv.iptables.input-internet-accept-tcp =
singleton config.krebs.github-hosts-sync.port;
}
{
@@ -57,7 +57,7 @@ with config.krebs.lib;
root ${pkgs.viljetic-pages};
'');
};
- tv.iptables.input-internet-accept-new-tcp = singleton "http";
+ tv.iptables.input-internet-accept-tcp = singleton "http";
}
];
diff --git a/tv/1systems/mkdir.nix b/tv/1systems/mkdir.nix
index f46ed9547..dcec1e200 100644
--- a/tv/1systems/mkdir.nix
+++ b/tv/1systems/mkdir.nix
@@ -22,12 +22,12 @@ in
{
tv.iptables = {
enable = true;
- input-internet-accept-new-tcp = [
+ input-internet-accept-tcp = [
"ssh"
"tinc"
"smtp"
];
- input-retiolum-accept-new-tcp = [
+ input-retiolum-accept-tcp = [
"http"
];
};
diff --git a/tv/1systems/rmdir.nix b/tv/1systems/rmdir.nix
index 25fae2c36..34f926020 100644
--- a/tv/1systems/rmdir.nix
+++ b/tv/1systems/rmdir.nix
@@ -22,12 +22,12 @@ in
{
tv.iptables = {
enable = true;
- input-internet-accept-new-tcp = [
+ input-internet-accept-tcp = [
"ssh"
"tinc"
"smtp"
];
- input-retiolum-accept-new-tcp = [
+ input-retiolum-accept-tcp = [
"http"
];
};
diff --git a/tv/2configs/default.nix b/tv/2configs/default.nix
index 741955eee..2eab8d1db 100644
--- a/tv/2configs/default.nix
+++ b/tv/2configs/default.nix
@@ -174,7 +174,7 @@ with config.krebs.lib;
{ type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
];
};
- tv.iptables.input-internet-accept-new-tcp = singleton "ssh";
+ tv.iptables.input-internet-accept-tcp = singleton "ssh";
}
{
diff --git a/tv/2configs/exim-retiolum.nix b/tv/2configs/exim-retiolum.nix
index 9197a3c30..ad355f8b4 100644
--- a/tv/2configs/exim-retiolum.nix
+++ b/tv/2configs/exim-retiolum.nix
@@ -4,5 +4,5 @@ with config.krebs.lib;
{
krebs.exim-retiolum.enable = true;
- tv.iptables.input-retiolum-accept-new-tcp = singleton "smtp";
+ tv.iptables.input-retiolum-accept-tcp = singleton "smtp";
}
diff --git a/tv/2configs/exim-smarthost.nix b/tv/2configs/exim-smarthost.nix
index 3616a8f52..351b54da1 100644
--- a/tv/2configs/exim-smarthost.nix
+++ b/tv/2configs/exim-smarthost.nix
@@ -43,5 +43,5 @@ with config.krebs.lib;
{ from = "mirko"; to = "mv"; }
];
};
- tv.iptables.input-internet-accept-new-tcp = singleton "smtp";
+ tv.iptables.input-internet-accept-tcp = singleton "smtp";
}
diff --git a/tv/2configs/nginx/default.nix b/tv/2configs/nginx/default.nix
index 1fac65a31..d0d07d5ca 100644
--- a/tv/2configs/nginx/default.nix
+++ b/tv/2configs/nginx/default.nix
@@ -12,6 +12,6 @@ with config.krebs.lib;
];
};
tv.iptables = optionalAttrs config.krebs.nginx.enable {
- input-retiolum-accept-new-tcp = singleton "http";
+ input-retiolum-accept-tcp = singleton "http";
};
}
diff --git a/tv/2configs/nginx/public_html.nix b/tv/2configs/nginx/public_html.nix
index 15a3b5482..858f16563 100644
--- a/tv/2configs/nginx/public_html.nix
+++ b/tv/2configs/nginx/public_html.nix
@@ -11,5 +11,5 @@ with config.krebs.lib;
'')
];
};
- tv.iptables.input-internet-accept-new-tcp = singleton "http";
+ tv.iptables.input-internet-accept-tcp = singleton "http";
}
diff --git a/tv/2configs/retiolum.nix b/tv/2configs/retiolum.nix
index e1598d792..ec3508d90 100644
--- a/tv/2configs/retiolum.nix
+++ b/tv/2configs/retiolum.nix
@@ -13,5 +13,5 @@ with config.krebs.lib;
"ire"
];
};
- tv.iptables.input-internet-accept-new-tcp = singleton "tinc";
+ tv.iptables.input-internet-accept-tcp = singleton "tinc";
}
diff --git a/tv/3modules/iptables.nix b/tv/3modules/iptables.nix
index c0e71f24d..4b1d1ef87 100644
--- a/tv/3modules/iptables.nix
+++ b/tv/3modules/iptables.nix
@@ -17,12 +17,22 @@ let
default = "retiolum";
};
- input-internet-accept-new-tcp = mkOption {
+ input-internet-accept-tcp = mkOption {
type = with types; listOf (either int str);
default = [];
};
- input-retiolum-accept-new-tcp = mkOption {
+ input-internet-accept-udp = mkOption {
+ type = with types; listOf (either int str);
+ default = [];
+ };
+
+ input-retiolum-accept-tcp = mkOption {
+ type = with types; listOf (either int str);
+ default = [];
+ };
+
+ input-retiolum-accept-udp = mkOption {
type = with types; listOf (either int str);
default = [];
};
@@ -83,8 +93,8 @@ let
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";
- accept-new-tcp = port:
- "-p tcp -m tcp --dport ${port} -m conntrack --ctstate NEW -j ACCEPT";
+ accept-tcp = port: "-p tcp -m tcp --dport ${port} -j ACCEPT";
+ accept-udp = port: "-p udp -m udp --dport ${port} -j ACCEPT";
in
pkgs.writeText "tv-iptables-rules${toString iptables-version}" ''
*nat
@@ -112,13 +122,15 @@ let
"-i lo -j ACCEPT"
]
++ optional (cfg.accept-echo-request == "internet") accept-echo-request
- ++ map accept-new-tcp (unique (map toString cfg.input-internet-accept-new-tcp))
+ ++ map accept-tcp (unique (map toString cfg.input-internet-accept-tcp))
+ ++ map accept-udp (unique (map toString cfg.input-internet-accept-udp))
++ ["-i retiolum -j Retiolum"]
)}
${formatTable cfg.extra.filter}
${concatMapStringsSep "\n" (rule: "-A Retiolum ${rule}") ([]
++ optional (cfg.accept-echo-request == "retiolum") accept-echo-request
- ++ map accept-new-tcp (unique (map toString cfg.input-retiolum-accept-new-tcp))
+ ++ map accept-tcp (unique (map toString cfg.input-retiolum-accept-tcp))
+ ++ map accept-udp (unique (map toString cfg.input-retiolum-accept-udp))
++ {
ip4tables = [
"-p tcp -j REJECT --reject-with tcp-reset"