Working!

install/fs/config.yml

@@ -32,7 +32,7 @@ gerbil:
     site_block_size: 30
     subnet_group: 100.89.137.0/20
 
-wg_site:
+newt:
     start_port: 51820
     block_size: 24
     subnet_group: 100.89.138.0/20

server/lib/config.ts

@@ -110,7 +110,7 @@ const configSchema = z.object({
         block_size: z.number().positive().gt(0),
         site_block_size: z.number().positive().gt(0)
     }),
-    wg_site: z.object({
+    newt: z.object({
         block_size: z.number().positive().gt(0),
         subnet_group: z.string(),
         start_port: portSchema,

server/routers/client/createClient.ts

@@ -18,7 +18,7 @@ import HttpCode from "@server/types/HttpCode";
 import createHttpError from "http-errors";
 import logger from "@server/logger";
 import { eq, and } from "drizzle-orm";
-import { addPeer } from "../gerbil/peers";
+import { addPeer } from "../newt/peers";
 import { fromError } from "zod-validation-error";
 import { newts } from "@server/db/schema";
 import moment from "moment";

server/routers/client/pickClientDefaults.ts

@@ -101,16 +101,13 @@ export async function pickClientDefaults(
         subnets.push(
             address.replace(
                 /\/\d+$/,
-                `/${config.getRawConfig().wg_site.site_block_size}`
+                `/${config.getRawConfig().newt.site_block_size}`
             )
         );
-        logger.debug(`Subnets: ${subnets}`);
-        logger.debug(`Address: ${address}`);
-        logger.debug(`Block size: ${config.getRawConfig().wg_site.block_size}`);
-        logger.debug(`Site block size: ${config.getRawConfig().wg_site.site_block_size}`);
+
         const newSubnet = findNextAvailableCidr(
             subnets,
-            config.getRawConfig().wg_site.site_block_size,
+            config.getRawConfig().newt.site_block_size,
             address
         );
         if (!newSubnet) {
@@ -133,7 +130,7 @@ export async function pickClientDefaults(
                 name: site.name,
                 listenPort: listenPort,
                 endpoint: endpoint,
-                subnet: newSubnet,
+                subnet: `${newSubnet.split("/")[0]}/${config.getRawConfig().newt.block_size}`, // we want the block size of the whole subnet
                 olmId: olmId,
                 olmSecret: secret
             },

server/routers/newt/handleGetConfigMessage.ts

@@ -105,7 +105,7 @@ export const handleGetConfigMessage: MessageHandler = async (context) => {
         clientsRes.map(async (client) => {
             return {
                 publicKey: client.pubKey,
-                allowedIps: ["0.0.0.0/0"] // TODO: We should lock this down more
+                allowedIps: [client.subnet]
             };
         })
     );
@@ -144,8 +144,8 @@ async function getNextAvailableSubnet(): Promise<string> {
 
     let subnet = findNextAvailableCidr(
         addresses,
-        config.getRawConfig().wg_site.block_size,
-        config.getRawConfig().wg_site.subnet_group
+        config.getRawConfig().newt.block_size,
+        config.getRawConfig().newt.subnet_group
     );
     if (!subnet) {
         throw new Error("No available subnets remaining in space");
@@ -167,7 +167,7 @@ async function getNextAvailablePort(): Promise<number> {
     }).from(sites);
 
     // Find the first available port between 1024 and 65535
-    let nextPort = config.getRawConfig().wg_site.start_port;
+    let nextPort = config.getRawConfig().newt.start_port;
     for (const port of existingPorts) {
         if (port.listenPort && port.listenPort > nextPort) {
             break;

server/routers/olm/handleOlmRegisterMessage.ts

@@ -77,7 +77,7 @@ export const handleOlmRegisterMessage: MessageHandler = async (context) => {
     // add the peer to the exit node
     await addPeer(site.siteId, {
         publicKey: publicKey,
-        allowedIps: [site.subnet]
+        allowedIps: [client.subnet]
     });
 
     return {
@@ -87,7 +87,7 @@ export const handleOlmRegisterMessage: MessageHandler = async (context) => {
                 endpoint: `${site.endpoint}:${site.listenPort}`,
                 publicKey: site.publicKey,
                 serverIP: site.address!.split("/")[0],
-                tunnelIP: client.subnet.split("/")[0]
+                tunnelIP: client.subnet
             }
         },
         broadcast: false, // Send to all olms

server/routers/site/pickSiteDefaults.ts

@@ -84,7 +84,7 @@ export async function pickSiteDefaults(
                 name: exitNode.name,
                 listenPort: exitNode.listenPort,
                 endpoint: exitNode.endpoint,
-                subnet: newSubnet,
+                subnet: `${newSubnet.split("/")[0]}/${config.getRawConfig().gerbil.block_size}`, // we want the block size of the whole subnet
                 newtId,
                 newtSecret: secret
             },