feature: Add support for getting inbound connection.

Also fixes any bugs I found.

api/routes/NextNet API/Backend/Lookup.bru

@@ -5,14 +5,13 @@ meta {
 }
 
 post {
-  url: http://127.0.0.1:3000/api/v1/backends/remove
+  url: http://127.0.0.1:3000/api/v1/backends/lookup
   body: json
   auth: none
 }
 
 body:json {
   {
-    "token": "f1b89cc337073476289ade17ffbe7a6419b4bd52aa7ede26114bffd76fa263b5cb1bcaf389462e1d9e7acb7f4b6a7c28152a9cc9af83e3ec862f1892b1",
-    "id": "2"
+    "token": "7d69814cdada551dd22521ad97b23b22a106278826a2b4e87dd76246594b56f973894e8265437a5d520ed7258d7c856d0d294e89b1de1a98db7fa4a"
   }
 }

api/src/backendimpl/index.ts

@@ -1,4 +1,4 @@
-import type { BackendBaseClass } from "./base.js";
+import { BackendBaseClass } from "./base.js";
 
 import { PassyFireBackendProvider } from "./passyfire-reimpl/index.js";
 import { SSHBackendProvider } from "./ssh.js";
@@ -7,3 +7,7 @@ export const backendProviders: Record<string, typeof BackendBaseClass> = {
   ssh: SSHBackendProvider,
   passyfire: PassyFireBackendProvider,
 };
+
+if (process.env.NODE_ENV != "production") {
+  backendProviders["dummy"] = BackendBaseClass;
+}

api/src/backendimpl/ssh.ts

@@ -179,7 +179,7 @@ export class SSHBackendProvider implements BackendBaseClass {
             srcConn.write(chunk);
           });
 
-          destConn.addListener("close", () => {
+          destConn.addListener("end", () => {
             this.clients.splice(this.clients.indexOf(client), 1);
             srcConn.end();
           });
@@ -190,7 +190,7 @@ export class SSHBackendProvider implements BackendBaseClass {
 
           srcConn.on("end", () => {
             this.clients.splice(this.clients.indexOf(client), 1);
-            destConn.close();
+            destConn.end();
           });
         },
       );

api/src/routes/forward/connections.ts

@@ -45,19 +45,23 @@ export function route(routeOptions: RouteOptions) {
         },
       });
 
-      if (!forward)
+      if (!forward) {
         return res.status(400).send({
           error: "Could not find forward entry",
         });
+      }
 
-      if (!backends[forward.destProviderID])
+      if (!backends[forward.destProviderID]) {
         return res.status(400).send({
           error: "Backend not found",
         });
+      }
 
       return {
         success: true,
-        data: backends[forward.destProviderID].getAllConnections(),
+        data: backends[forward.destProviderID].getAllConnections().filter((i) => {
+          return i.connectionDetails.sourceIP == forward.sourceIP && i.connectionDetails.sourcePort == forward.sourcePort && i.connectionDetails.destPort == forward.destPort;
+        }),
       };
     },
   );