Merge pull request #2698 from fosrl/msg-opt

Improve proxy list message size

server/lib/ip.ts

@@ -571,6 +571,129 @@ export function generateSubnetProxyTargets(
     return targets;
 }
 
+export type SubnetProxyTargetV2 = {
+    sourcePrefixes: string[]; // must be cidrs
+    destPrefix: string; // must be a cidr
+    disableIcmp?: boolean;
+    rewriteTo?: string; // must be a cidr
+    portRange?: {
+        min: number;
+        max: number;
+        protocol: "tcp" | "udp";
+    }[];
+};
+
+export function generateSubnetProxyTargetV2(
+    siteResource: SiteResource,
+    clients: {
+        clientId: number;
+        pubKey: string | null;
+        subnet: string | null;
+    }[]
+): SubnetProxyTargetV2 | undefined {
+    if (clients.length === 0) {
+        logger.debug(
+            `No clients have access to site resource ${siteResource.siteResourceId}, skipping target generation.`
+        );
+        return;
+    }
+
+    let target: SubnetProxyTargetV2 | null = null;
+
+    const portRange = [
+        ...parsePortRangeString(siteResource.tcpPortRangeString, "tcp"),
+        ...parsePortRangeString(siteResource.udpPortRangeString, "udp")
+    ];
+    const disableIcmp = siteResource.disableIcmp ?? false;
+
+    if (siteResource.mode == "host") {
+        let destination = siteResource.destination;
+        // check if this is a valid ip
+        const ipSchema = z.union([z.ipv4(), z.ipv6()]);
+        if (ipSchema.safeParse(destination).success) {
+            destination = `${destination}/32`;
+
+            target = {
+                sourcePrefixes: [],
+                destPrefix: destination,
+                portRange,
+                disableIcmp
+            };
+        }
+
+        if (siteResource.alias && siteResource.aliasAddress) {
+            // also push a match for the alias address
+            target = {
+                sourcePrefixes: [],
+                destPrefix: `${siteResource.aliasAddress}/32`,
+                rewriteTo: destination,
+                portRange,
+                disableIcmp
+            };
+        }
+    } else if (siteResource.mode == "cidr") {
+        target = {
+            sourcePrefixes: [],
+            destPrefix: siteResource.destination,
+            portRange,
+            disableIcmp
+        };
+    }
+
+    if (!target) {
+        return;
+    }
+
+    for (const clientSite of clients) {
+        if (!clientSite.subnet) {
+            logger.debug(
+                `Client ${clientSite.clientId} has no subnet, skipping for site resource ${siteResource.siteResourceId}.`
+            );
+            continue;
+        }
+
+        const clientPrefix = `${clientSite.subnet.split("/")[0]}/32`;
+
+        // add client prefix to source prefixes
+        target.sourcePrefixes.push(clientPrefix);
+    }
+
+    // print a nice representation of the targets
+    // logger.debug(
+    //     `Generated subnet proxy targets for: ${JSON.stringify(targets, null, 2)}`
+    // );
+
+    return target;
+}
+
+
+/**
+ * Converts a SubnetProxyTargetV2 to an array of SubnetProxyTarget (v1)
+ * by expanding each source prefix into its own target entry.
+ * @param targetV2 - The v2 target to convert
+ * @returns Array of v1 SubnetProxyTarget objects
+ */
+ export function convertSubnetProxyTargetsV2ToV1(
+     targetsV2: SubnetProxyTargetV2[]
+ ): SubnetProxyTarget[] {
+     return targetsV2.flatMap((targetV2) =>
+         targetV2.sourcePrefixes.map((sourcePrefix) => ({
+             sourcePrefix,
+             destPrefix: targetV2.destPrefix,
+             ...(targetV2.disableIcmp !== undefined && {
+                 disableIcmp: targetV2.disableIcmp
+             }),
+             ...(targetV2.rewriteTo !== undefined && {
+                 rewriteTo: targetV2.rewriteTo
+             }),
+             ...(targetV2.portRange !== undefined && {
+                 portRange: targetV2.portRange
+             })
+         }))
+     );
+ }
+
+
 // Custom schema for validating port range strings
 // Format: "80,443,8000-9000" or "*" for all ports, or empty string
 export const portRangeStringSchema = z

server/lib/readConfigFile.ts

@@ -302,8 +302,8 @@ export const configSchema = z
             .optional()
             .default({
                 block_size: 24,
-                subnet_group: "100.90.128.0/24",
+                subnet_group: "100.90.128.0/20",
-                utility_subnet_group: "100.96.128.0/24"
+                utility_subnet_group: "100.96.128.0/20"
             }),
         rate_limits: z
             .object({

server/lib/rebuildClientAssociations.ts

@@ -32,7 +32,7 @@ import logger from "@server/logger";
 import {
     generateAliasConfig,
     generateRemoteSubnets,
-    generateSubnetProxyTargets,
+    generateSubnetProxyTargetV2,
     parseEndpoint,
     formatEndpoint
 } from "@server/lib/ip";
@@ -660,19 +660,16 @@ async function handleSubnetProxyTargetUpdates(
         );
 
         if (addedClients.length > 0) {
-            const targetsToAdd = generateSubnetProxyTargets(
+            const targetToAdd = generateSubnetProxyTargetV2(
                 siteResource,
                 addedClients
             );
 
-            if (targetsToAdd.length > 0) {
+            if (targetToAdd) {
-                logger.info(
-                    `Adding ${targetsToAdd.length} subnet proxy targets for siteResource ${siteResource.siteResourceId}`
-                );
                 proxyJobs.push(
                     addSubnetProxyTargets(
                         newt.newtId,
-                        targetsToAdd,
+                        [targetToAdd],
                         newt.version
                     )
                 );
@@ -700,19 +697,16 @@ async function handleSubnetProxyTargetUpdates(
         );
 
         if (removedClients.length > 0) {
-            const targetsToRemove = generateSubnetProxyTargets(
+            const targetToRemove = generateSubnetProxyTargetV2(
                 siteResource,
                 removedClients
             );
 
-            if (targetsToRemove.length > 0) {
+            if (targetToRemove) {
-                logger.info(
-                    `Removing ${targetsToRemove.length} subnet proxy targets for siteResource ${siteResource.siteResourceId}`
-                );
                 proxyJobs.push(
                     removeSubnetProxyTargets(
                         newt.newtId,
-                        targetsToRemove,
+                        [targetToRemove],
                         newt.version
                     )
                 );
@@ -1169,7 +1163,7 @@ async function handleMessagesForClientResources(
             }
 
             for (const resource of resources) {
-                const targets = generateSubnetProxyTargets(resource, [
+                const target = generateSubnetProxyTargetV2(resource, [
                     {
                         clientId: client.clientId,
                         pubKey: client.pubKey,
@@ -1177,11 +1171,11 @@ async function handleMessagesForClientResources(
                     }
                 ]);
 
-                if (targets.length > 0) {
+                if (target) {
                     proxyJobs.push(
                         addSubnetProxyTargets(
                             newt.newtId,
-                            targets,
+                            [target],
                             newt.version
                         )
                     );
@@ -1246,7 +1240,7 @@ async function handleMessagesForClientResources(
             }
 
             for (const resource of resources) {
-                const targets = generateSubnetProxyTargets(resource, [
+                const target = generateSubnetProxyTargetV2(resource, [
                     {
                         clientId: client.clientId,
                         pubKey: client.pubKey,
@@ -1254,11 +1248,11 @@ async function handleMessagesForClientResources(
                     }
                 ]);
 
-                if (targets.length > 0) {
+                if (target) {
                     proxyJobs.push(
                         removeSubnetProxyTargets(
                             newt.newtId,
-                            targets,
+                            [target],
                             newt.version
                         )
                     );

server/routers/client/targets.ts

@@ -1,15 +1,54 @@
 import { sendToClient } from "#dynamic/routers/ws";
-import { db, olms, Transaction } from "@server/db";
+import { db, newts, olms } from "@server/db";
+import {
+    Alias,
+    convertSubnetProxyTargetsV2ToV1,
+    SubnetProxyTarget,
+    SubnetProxyTargetV2
+} from "@server/lib/ip";
 import { canCompress } from "@server/lib/clientVersionChecks";
-import { Alias, SubnetProxyTarget } from "@server/lib/ip";
 import logger from "@server/logger";
 import { eq } from "drizzle-orm";
+import semver from "semver";
+
+const NEWT_V2_TARGETS_VERSION = ">=1.10.3";
+
+export async function convertTargetsIfNessicary(
+    newtId: string,
+    targets: SubnetProxyTarget[] | SubnetProxyTargetV2[]
+) {
+    // get the newt
+    const [newt] = await db
+        .select()
+        .from(newts)
+        .where(eq(newts.newtId, newtId));
+    if (!newt) {
+        throw new Error(`No newt found for id: ${newtId}`);
+    }
+
+    // check the semver
+    if (
+        newt.version &&
+        !semver.satisfies(newt.version, NEWT_V2_TARGETS_VERSION)
+    ) {
+        logger.debug(
+            `addTargets Newt version ${newt.version} does not support targets v2 falling back`
+        );
+        targets = convertSubnetProxyTargetsV2ToV1(
+            targets as SubnetProxyTargetV2[]
+        );
+    }
+
+    return targets;
+}
 
 export async function addTargets(
     newtId: string,
-    targets: SubnetProxyTarget[],
+    targets: SubnetProxyTarget[] | SubnetProxyTargetV2[],
     version?: string | null
 ) {
+    targets = await convertTargetsIfNessicary(newtId, targets);
+
     await sendToClient(
         newtId,
         {
@@ -22,9 +61,11 @@ export async function addTargets(
 
 export async function removeTargets(
     newtId: string,
-    targets: SubnetProxyTarget[],
+    targets: SubnetProxyTarget[] | SubnetProxyTargetV2[],
     version?: string | null
 ) {
+    targets = await convertTargetsIfNessicary(newtId, targets);
+
     await sendToClient(
         newtId,
         {
@@ -38,11 +79,39 @@ export async function removeTargets(
 export async function updateTargets(
     newtId: string,
     targets: {
-        oldTargets: SubnetProxyTarget[];
+        oldTargets: SubnetProxyTarget[] | SubnetProxyTargetV2[];
-        newTargets: SubnetProxyTarget[];
+        newTargets: SubnetProxyTarget[] | SubnetProxyTargetV2[];
     },
     version?: string | null
 ) {
+    // get the newt
+    const [newt] = await db
+        .select()
+        .from(newts)
+        .where(eq(newts.newtId, newtId));
+    if (!newt) {
+        logger.error(`addTargetsL No newt found for id: ${newtId}`);
+        return;
+    }
+
+    // check the semver
+    if (
+        newt.version &&
+        !semver.satisfies(newt.version, NEWT_V2_TARGETS_VERSION)
+    ) {
+        logger.debug(
+            `addTargets Newt version ${newt.version} does not support targets v2 falling back`
+        );
+        targets = {
+            oldTargets: convertSubnetProxyTargetsV2ToV1(
+                targets.oldTargets as SubnetProxyTargetV2[]
+            ),
+            newTargets: convertSubnetProxyTargetsV2ToV1(
+                targets.newTargets as SubnetProxyTargetV2[]
+            )
+        };
+    }
+
     await sendToClient(
         newtId,
         {

server/routers/newt/buildConfiguration.ts

@@ -16,8 +16,8 @@ import { eq, and } from "drizzle-orm";
 import config from "@server/lib/config";
 import {
     formatEndpoint,
-    generateSubnetProxyTargets,
+    generateSubnetProxyTargetV2,
-    SubnetProxyTarget
+    SubnetProxyTargetV2
 } from "@server/lib/ip";
 
 export async function buildClientConfigurationForNewtClient(
@@ -143,7 +143,7 @@ export async function buildClientConfigurationForNewtClient(
         .from(siteResources)
         .where(eq(siteResources.siteId, siteId));
 
-    const targetsToSend: SubnetProxyTarget[] = [];
+    const targetsToSend: SubnetProxyTargetV2[] = [];
 
     for (const resource of allSiteResources) {
         // Get clients associated with this specific resource
@@ -168,12 +168,14 @@ export async function buildClientConfigurationForNewtClient(
                 )
             );
 
-        const resourceTargets = generateSubnetProxyTargets(
+        const resourceTarget = generateSubnetProxyTargetV2(
             resource,
             resourceClients
         );
 
-        targetsToSend.push(...resourceTargets);
+        if (resourceTarget) {
+            targetsToSend.push(resourceTarget);
+        }
     }
 
     return {

server/routers/newt/handleGetConfigMessage.ts

@@ -6,6 +6,7 @@ import { db, ExitNode, exitNodes, Newt, sites } from "@server/db";
 import { eq } from "drizzle-orm";
 import { sendToExitNode } from "#dynamic/lib/exitNodes";
 import { buildClientConfigurationForNewtClient } from "./buildConfiguration";
+import { convertTargetsIfNessicary } from "../client/targets";
 import { canCompress } from "@server/lib/clientVersionChecks";
 
 const inputSchema = z.object({
@@ -127,13 +128,15 @@ export const handleGetConfigMessage: MessageHandler = async (context) => {
         exitNode
     );
 
+    const targetsToSend = await convertTargetsIfNessicary(newt.newtId, targets);
+
     return {
         message: {
             type: "newt/wg/receive-config",
             data: {
                 ipAddress: site.address,
                 peers,
-                targets
+                targets: targetsToSend
             }
         },
         options: {

server/routers/siteResource/createSiteResource.ts

@@ -88,7 +88,7 @@ const createSiteResourceSchema = z
         },
         {
             message:
-                "Destination must be a valid IP address or valid domain AND alias is required"
+                "Destination must be a valid IPV4 address or valid domain AND alias is required"
         }
     )
     .refine(

server/routers/siteResource/updateSiteResource.ts

@@ -24,7 +24,7 @@ import { updatePeerData, updateTargets } from "@server/routers/client/targets";
 import {
     generateAliasConfig,
     generateRemoteSubnets,
-    generateSubnetProxyTargets,
+    generateSubnetProxyTargetV2,
     isIpInCidr,
     portRangeStringSchema
 } from "@server/lib/ip";
@@ -608,18 +608,18 @@ export async function handleMessagingForUpdatedSiteResource(
 
         // Only update targets on newt if destination changed
         if (destinationChanged || portRangesChanged) {
-            const oldTargets = generateSubnetProxyTargets(
+            const oldTarget = generateSubnetProxyTargetV2(
                 existingSiteResource,
                 mergedAllClients
             );
-            const newTargets = generateSubnetProxyTargets(
+            const newTarget = generateSubnetProxyTargetV2(
                 updatedSiteResource,
                 mergedAllClients
             );
 
             await updateTargets(newt.newtId, {
-                oldTargets: oldTargets,
+                oldTargets: oldTarget ? [oldTarget] : [],
-                newTargets: newTargets
+                newTargets: newTarget ? [newTarget] : []
             }, newt.version);
         }