From 09cd59b7285d5f5933f8557929b58265a07b5e92 Mon Sep 17 00:00:00 2001
From: Alisson Comerlatto <comerlattoalisson@gmail.com>
Date: Thu, 3 Jul 2025 10:14:24 -0300
Subject: [PATCH] feat(native-connect-hook): enhance support for system
 connection hooks

- Declare system module as a constant.
- Add `conn` variable for cleaner `Interceptor.attach` initialization.
- Improve error handling.
---
 native-connect-hook.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/native-connect-hook.js b/native-connect-hook.js
index 523c481..bad1049 100644
--- a/native-connect-hook.js
+++ b/native-connect-hook.js
@@ -29,9 +29,9 @@
         ? 4
         : 2048; // Linux/Android
 
-    let systemModule, fcntl, send, recv;
+    let fcntl, send, recv, conn;
     try {
-        systemModule = Process.findModuleByName('libc.so') ?? // Android
+        const systemModule = Process.findModuleByName('libc.so') ?? // Android
                              Process.findModuleByName('libc.so.6') ?? // Linux
                              Process.findModuleByName('libsystem_kernel.dylib'); // iOS
 
@@ -40,13 +40,15 @@
         fcntl = new NativeFunction(systemModule.getExportByName('fcntl'), 'int', ['int', 'int', 'int']);
         send = new NativeFunction(systemModule.getExportByName('send'), 'ssize_t', ['int', 'pointer', 'size_t', 'int']);
         recv = new NativeFunction(systemModule.getExportByName('recv'), 'ssize_t', ['int', 'pointer', 'size_t', 'int']);
+
+        conn = systemModule.getExportByName('connect')
     } catch (e) {
         console.error("Failed to set up native hooks:", e.message);
         console.warn('Could not initialize system functions to to hook raw traffic');
         return;
     }
 
-    Interceptor.attach(systemModule.getExportByName('connect'), {
+    Interceptor.attach(conn, {
         onEnter(args) {
             const fd = this.sockFd = args[0].toInt32();
             const sockType = Socket.type(fd);