From 06d4e558cdf97b64e4cbc95becf1b25c1c24950e Mon Sep 17 00:00:00 2001
From: zedddie <rust@zedddie.rs>
Date: Sun, 15 Mar 2026 14:59:11 +0100
Subject: sniffing early work

use `tun` crate examope for starters, to map all traffic through tun
virtual interface, in next commits will push these packets to sniffing
module which will deciede further modifications of proxies based by
user's Config.
---
 src/startup.rs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/startup.rs

(limited to 'src/startup.rs')

diff --git a/src/startup.rs b/src/startup.rs
new file mode 100644
index 0000000..32ed278
--- /dev/null
+++ b/src/startup.rs
@@ -0,0 +1,25 @@
+// Here we iniitialize systems crucial for nsc
+use std::io::Read;
+
+pub fn init() -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
+    let mut config = tun::Configuration::default();
+    config
+        .address((10, 0, 0, 9))
+        .netmask((255, 255, 255, 0))
+        .destination((10, 0, 0, 1))
+        .up();
+
+    #[cfg(target_os = "linux")]
+    config.platform_config(|config| {
+        // requiring root privilege to acquire complete functions
+        config.ensure_root_privileges(true);
+    });
+
+    let mut dev = tun::create(&config)?;
+    let mut buf = [0; 4096];
+
+    loop {
+        let amount = dev.read(&mut buf)?;
+        println!("{:?}", &buf[0..amount]);
+    }
+}
-- 
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