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authorlassulus <git@lassul.us>2023-06-19 03:25:39 +0200
committerlassulus <git@lassul.us>2023-06-19 03:25:39 +0200
commit139799c53cdaf55c362109e01be9dd96cc8700ed (patch)
treeb1ce719ec8f62458bce2d9fe2191b8d004630f2a /makefu/2configs/wireguard
parentcb8fbb09127392a17d698d91f78ede7ae46accb8 (diff)
parenta766e88e7c8d87aa6bdbde796d3a454f7b5e546e (diff)
Merge remote-tracking branch 'gum/master'
Diffstat (limited to 'makefu/2configs/wireguard')
-rw-r--r--makefu/2configs/wireguard/server.nix1
-rw-r--r--makefu/2configs/wireguard/wiregrill.nix65
2 files changed, 62 insertions, 4 deletions
diff --git a/makefu/2configs/wireguard/server.nix b/makefu/2configs/wireguard/server.nix
index bda250702..bb3198178 100644
--- a/makefu/2configs/wireguard/server.nix
+++ b/makefu/2configs/wireguard/server.nix
@@ -17,7 +17,6 @@ in { # wireguard server
externalInterface = ext-if;
internalInterfaces = [ "wg0" ];
};
-
networking.wireguard.interfaces.wg0 = {
ips = [ "10.244.0.1/24" ];
listenPort = 51820;
diff --git a/makefu/2configs/wireguard/wiregrill.nix b/makefu/2configs/wireguard/wiregrill.nix
index 082090755..922dc8c0f 100644
--- a/makefu/2configs/wireguard/wiregrill.nix
+++ b/makefu/2configs/wireguard/wiregrill.nix
@@ -13,16 +13,75 @@ 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 = {
+ networking.wireguard.interfaces.wiregrill = let
+ ipt = "${pkgs.iptables}/bin/iptables";
+ ip6 = "${pkgs.iptables}/bin/ip6tables";
+ in {
+ postSetup = ''
+ ${ipt} -A FORWARD -i wiregrill -o retiolum -j ACCEPT
+ ${ipt} -A FORWARD -i wiregrill -o wiregrill -j ACCEPT
+ ${ipt} -A FORWARD -o wiregrill -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+ ${ip6} -A FORWARD -i wiregrill -o retiolum -j ACCEPT
+ ${ip6} -A FORWARD -i retiolum -o wiregrill -j ACCEPT
+ ${ip6} -A FORWARD -i wiregrill -o wiregrill -j ACCEPT
+ ${ip6} -A FORWARD -o wiregrill -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+
+ '' + (optionalString isRouter ''
+ #${ipt} -t nat -A PREROUTING -s 10.244.245.0/24 -j ACCEPT
+ #${ipt} -t nat -A POSTROUTING -s 10.244.245.0/24 ! -d 10.244.245.0/24 -j MASQUERADE
+
+ #${ip6} -t nat -A PREROUTING -s 42:1::/32 -j ACCEPT
+ #${ip6} -t nat -A POSTROUTING -s 42:1::/32 ! -d 42:1::/48 -j MASQUERADE
+ '');
+
+ # This undoes the above command
+ postShutdown = ''
+ ${ipt} -D FORWARD -i wiregrill -o retiolum -j ACCEPT
+ ${ipt} -D FORWARD -i retiolum -o wiregrill -j ACCEPT
+ ${ipt} -D FORWARD -i wiregrill -o wiregrill -j ACCEPT
+ ${ipt} -D FORWARD -i wiregrill -o wiregrill -j ACCEPT
+ ${ipt} -D FORWARD -o wiregrill -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+
+ ${ip6} -D FORWARD -i wiregrill -o retiolum -j ACCEPT
+ ${ip6} -D FORWARD -i retiolum -o wiregrill -j ACCEPT
+ ${ip6} -D FORWARD -i wiregrill -o wiregrill -j ACCEPT
+ ${ip6} -D FORWARD -o wiregrill -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+
+ '' + (optionalString isRouter ''
+
+ ${ipt} -t nat -D PREROUTING -s 10.244.245.0/24 -j ACCEPT
+ ${ipt} -t nat -D POSTROUTING -s 10.244.245.0/24 -j MASQUERADE
+
+ #${ip6} -t nat -D PREROUTING -s 42:1::/32 -j ACCEPT
+ #${ip6} -t nat -D POSTROUTING -s 42:1::/32 ! -d 42:1::/48 -j MASQUERADE
+ '' );
ips =
(optional (!isNull self.ip4) self.ip4.addr) ++
(optional (!isNull self.ip6) self.ip6.addr);