alterwain/Frida
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Changes to be committed:

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modified:   src/server.rs
This commit is contained in:
Michael Wain 2024-08-19 23:25:06 +03:00
parent c7ce492934
commit 5d8c35db45
1 changed files with 15 additions and 2 deletions
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17
src/server.rs
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@ -2,6 +2,7 @@ use crossbeam_channel::{unbounded, Receiver, Sender};
use tokio::{io::AsyncWriteExt, net::{TcpListener, TcpSocket, TcpStream, UdpSocket}, sync::{mpsc, Mutex}};
use tokio::task::JoinSet;
use packet::{builder::Builder, icmp, ip, AsPacket, Packet};
use x25519_dalek::{PublicKey, SharedSecret, StaticSecret};
use std::io::{Read, Write};
use tun2::BoxError;
use log::{error, info, LevelFilter};
@ -87,7 +88,18 @@ pub async fn server_mode(server_config: ServerConfiguration) {
if plp.iter().any(|c| c.ip == handshake.request_ip && c.public_key == skey) {
let internal_ip = IpAddr::V4(handshake.request_ip);
info!("Accepted client");
mp.insert(internal_ip, UDPeer { addr });
let mut k = [0u8; 32];
for (&x, p) in handshake.public_key.iter().zip(k.iter_mut()) {
*p = x;
}
let static_secret = base64::decode(&server_config.interface.private_key).unwrap();
let mut k1 = [0u8; 32];
for (&x, p) in static_secret.iter().zip(k1.iter_mut()) {
*p = x;
}
let shared_secret = StaticSecret::from(k1)
.diffie_hellman(&PublicKey::from(k));
mp.insert(internal_ip, UDPeer { addr, shared_secret });
} else {
info!("Bad handshake");
plp.iter().for_each(|c| info!("ip: {:?}; pkey: {:?}", c.ip, c.public_key));
@ -110,5 +122,6 @@ pub async fn server_mode(server_config: ServerConfiguration) {
}
struct UDPeer {
addr: SocketAddr
addr: SocketAddr,
shared_secret: SharedSecret
}