diff options
Diffstat (limited to 'makefu/2configs/wireguard/wiregrill.nix')
| -rw-r--r-- | makefu/2configs/wireguard/wiregrill.nix | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/makefu/2configs/wireguard/wiregrill.nix b/makefu/2configs/wireguard/wiregrill.nix index 082090755..070f01e10 100644 --- a/makefu/2configs/wireguard/wiregrill.nix +++ b/makefu/2configs/wireguard/wiregrill.nix @@ -13,16 +13,57 @@ in mkIf (hasAttr "wiregrill" config.krebs.build.host.nets) { boot.kernel.sysctl = mkIf isRouter { "net.ipv6.conf.all.forwarding" = 1; + "net.ipv4.conf.all.forwarding" = 1; + }; + networking.nat = mkIf isRouter { + enable = true; + enableIPv6 = true; + externalInterface = ext-if; + internalInterfaces = [ "wiregrill" ]; }; networking.firewall = { allowedUDPPorts = [ self.wireguard.port ]; - extraCommands = '' - iptables -A FORWARD -i wiregrill -o wiregrill -j ACCEPT + interfaces.wiregrill = mkIf isRouter { + allowedUDPPorts = [ 53 ]; + allowedTCPPorts = [ 53 ]; + }; + }; + + services.dnsmasq = mkIf isRouter { + enable = true; + resolveLocalQueries = false; + extraConfig = /* dnsmasq */ '' + bind-interfaces + interface=retiolum,wiregrill ''; + servers = [ "1.1.1.1" ]; }; networking.wireguard.interfaces.wiregrill = { + postSetup = optionalString isRouter '' + ${pkgs.iptables}/bin/iptables -t nat -A PREROUTING -s 10.244.245.0/24 -j ACCEPT + ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.244.245.0/24 ! -d 10.244.245.0/24 -j MASQUERADE + ${pkgs.iptables}/bin/iptables -A FORWARD -i wiregrill -o retiolum -j ACCEPT + ${pkgs.iptables}/bin/iptables -A FORWARD -i retiolum -o wiregrill -j ACCEPT + + ${pkgs.iptables}/bin/ip6tables -t nat -A PREROUTING -s 42:1::/32 -j ACCEPT + ${pkgs.iptables}/bin/ip6tables -t nat -A POSTROUTING -s 42:1::/32 ! -d 42:1::/48 -j MASQUERADE + ${pkgs.iptables}/bin/ip6tables -A FORWARD -i wiregrill -o retiolum -j ACCEPT + ${pkgs.iptables}/bin/ip6tables -A FORWARD -i retiolum -o wiregrill -j ACCEPT + ''; + + # This undoes the above command + postShutdown = optionalString isRouter '' + ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.244.245.0/24 -o ${ext-if} -j MASQUERADE + ${pkgs.iptables}/bin/iptables -D FORWARD -i wiregrill -o retiolum -j ACCEPT + ${pkgs.iptables}/bin/iptables -D FORWARD -i retiolum -o wiregrill -j ACCEPT + + ${pkgs.iptables}/bin/ip6tables -t nat -D PREROUTING -s 42:1::/32 -j ACCEPT + ${pkgs.iptables}/bin/ip6tables -t nat -D POSTROUTING -s 42:1::/32 ! -d 42:1::/48 -j MASQUERADE + ${pkgs.iptables}/bin/ip6tables -D FORWARD -i wiregrill -o retiolum -j ACCEPT + ${pkgs.iptables}/bin/ip6tables -D FORWARD -i retiolum -o wiregrill -j ACCEPT + '' ; ips = (optional (!isNull self.ip4) self.ip4.addr) ++ (optional (!isNull self.ip6) self.ip6.addr); |