From 668d17ab4dcc5bc0a3e494a78349143c4ec40926 Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@sinanmohd.com>
Date: Sat, 3 Feb 2024 17:11:52 +0530
Subject: kay/network/he: init makeAddr

---
 hosts/kay/modules/hurricane.nix | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

(limited to 'hosts/kay/modules')

diff --git a/hosts/kay/modules/hurricane.nix b/hosts/kay/modules/hurricane.nix
index bb36628..ede8e8f 100644
--- a/hosts/kay/modules/hurricane.nix
+++ b/hosts/kay/modules/hurricane.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, ... }:
 
 let
   iface = "hurricane";
@@ -7,10 +7,15 @@ let
   clinet = "2001:470:35:72a::2";
   server = "2001:470:35:72a::1";
 
-  addr1 = "2001:470:36:72a::";
-  prefix1 = 64;
-  addr2 = "2001:470:ee65::";
-  prefix2 = 48;
+  prefix64 = "2001:470:36:72a::/64";
+  prefix48 = "2001:470:ee65::/48";
+
+  makeAddr = prefix: host: let
+    split = lib.strings.splitString "/" prefix;
+  in {
+    address = "${lib.head split}${host}";
+    prefixLength = lib.toInt (lib.last split);
+  };
 in
 {
   networking = {
@@ -25,14 +30,9 @@ in
           address = clinet;
           prefixLength = 64;
         }
-        {
-          address = "${addr1}1";
-          prefixLength = prefix1;
-        }
-        {
-          address = "${addr2}1";
-          prefixLength = prefix2;
-        }
+
+        (makeAddr prefix64 "1")
+        (makeAddr prefix48 "1")
       ];
     };
 
@@ -74,8 +74,8 @@ in
       echo -n "adding route"
 
       ip -6 rule add from ${clinet}/64 table hurricane || exit 1
-      ip -6 rule add from ${addr1}/${toString prefix1} table hurricane || exit 1
-      ip -6 rule add from ${addr2}/${toString prefix2} table hurricane || exit 1
+      ip -6 rule add from ${prefix64} table hurricane || exit 1
+      ip -6 rule add from ${prefix48} table hurricane || exit 1
 
       ip -6 route add default via ${server} dev hurricane table hurricane || exit 1
     '';
@@ -84,8 +84,8 @@ in
 
       ip -6 route del default via ${server} dev hurricane table hurricane || exit 1
 
-      ip -6 rule del from ${addr2}/${toString prefix2} table hurricane || exit 1
-      ip -6 rule del from ${addr1}/${toString prefix1} table hurricane || exit 1
+      ip -6 rule del from ${prefix48} table hurricane || exit 1
+      ip -6 rule del from ${prefix64} table hurricane || exit 1
       ip -6 rule del from ${clinet}/64 table hurricane || exit 1
     '';
   };
-- 
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