From 2be8ddd04ef400c1e9106626e7fcbc505e52ebc1 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Mon, 15 Nov 2021 11:25:58 +0059
Subject: vidhar: ...

---
 hosts/vidhar/default.nix | 54 ++++++++++++++++++++++++++++++++++++------------
 hosts/vidhar/dsl.nix     | 11 ----------
 2 files changed, 41 insertions(+), 24 deletions(-)

(limited to 'hosts/vidhar')

diff --git a/hosts/vidhar/default.nix b/hosts/vidhar/default.nix
index 7657c4a8..d9d44070 100644
--- a/hosts/vidhar/default.nix
+++ b/hosts/vidhar/default.nix
@@ -158,19 +158,47 @@
       "eno2".networkConfig.LinkLocalAddressing = "no";
       "telekom".networkConfig.LinkLocalAddressing = "no";
     };
-    services.dhcpd6 = {
-      enable = true;
-      configFile = pkgs.writeText "dhcpd6.conf" ''
-        interface dsl {
-          send ia-pd 0;
-        };
-
-        id-assoc pd 0 {
-          prefix-interface eno1 {
-            sla-id 0;
-          };
-        };
-      '';
+    systemd.services."dhcpcd-telekom" = {
+      wantedBy = [ "multi-user.target" "network-online.target" ];
+      bindsTo = [ "pppd-telekom.service" ];
+      after = [ "pppd-telekom.service" ];
+      wants = [ "network.target" ];
+      before = [ "network-online.target" ];
+
+      path = with pkgs; [ dhcpcd nettools openresolv ];
+      unitConfig.ConditionCapability = "CAP_NET_ADMIN";
+
+      stopIfChanged = false;
+
+      serviceConfig = let
+        dhcpcdConf = pkgs.writeText "dhcpcd.conf" ''
+          duid
+          persistent
+          vendorclassid
+
+          nooption domain_name_servers, domain_name, domain_search
+          option classless_static_routes
+          option interface_mtu
+
+          option host_name
+          option rapid_commit
+          require dhcp_server_identifier
+          slaac private
+
+          noipv6rs                 # disable routing solicitation
+          allowinterfaces dsl
+          interface dsl
+            ipv6rs                 # enable routing solicitation for WAN adapter
+            ia_na 1                # request an IPv6 address
+            ia_pd 1 eno1/0         # request a PD and assign it to the LAN
+        '';
+      in {
+        Type = "forking";
+        PIDFile = "/run/dhcpcd.pid";
+        ExecStart = "@${pkgs.dhcpcd}/sbin/dhcpcd dhcpcd --config ${dhcpcdConf}";
+        ExecReload = "${pkgs.dhcpcd}/sbin/dhcpcd --rebind";
+        Restart = "always";
+      };
     };
     
     services.timesyncd.enable = false;
diff --git a/hosts/vidhar/dsl.nix b/hosts/vidhar/dsl.nix
index 2316c888..1651284c 100644
--- a/hosts/vidhar/dsl.nix
+++ b/hosts/vidhar/dsl.nix
@@ -59,17 +59,6 @@ in {
         '';
         mode = "0555";
       };
-      "ppp/ipv6-up" = {
-        text = ''
-          #!${pkgs.runtimeShell}
-          ${pkgs.procps}/bin/sysctl net/ipv6/conf/$1/use_tempaddr=1
-          ${pkgs.procps}/bin/sysctl net/ipv6/conf/$1/forwarding=1
-          ${pkgs.procps}/bin/sysctl net/ipv6/conf/$1/autoconf=1
-          ${pkgs.procps}/bin/sysctl net/ipv6/conf/$1/accept_ra=1
-          ${pkgs.ndisc6}/bin/rdisc6 $1
-        '';
-        mode = "0555";
-      };
     };
 
     systemd.network.networks."dsl" = {
-- 
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