Merge branch 'ezequielpereira' into master

src/args.rs

@@ -13,6 +13,10 @@ pub struct Args {
     pub src: SocketAddr,
     /// The destination of the connection
     pub dst: SocketAddr,
+    /// Initial seq number
+    pub seq: u32,
+    /// Initial ack number
+    pub ack: u32,
     /// Reset the connection rather than hijacking it
     #[structopt(short="r", long)]
     pub reset: bool,

src/main.rs

@@ -9,6 +9,7 @@ use env_logger::Env;
 use std::io::{self, Read};
 use std::thread;
 use structopt::StructOpt;
+use std::net::SocketAddrV4;
 
 fn main() -> Result<()> {
     let arguments = Args::from_args();
@@ -27,7 +28,12 @@ fn main() -> Result<()> {
     eprintln!("Waiting for SEQ/ACK to arrive from the srcip to the dstip.");
     eprintln!("(To speed things up, try making some traffic between the two, /msg person asdf)");
 
-    let mut connection = net::getseqack(&arguments.interface, &arguments.src, &arguments.dst)?;
+    let mut connection = net::Connection::new(
+        SocketAddrV4::new(*arguments.src.ip(), arguments.src.port()),
+        SocketAddrV4::new(*arguments.dst.ip(), arguments.dst.port()),
+        arguments.seq,
+        arguments.ack,
+    );
     eprintln!("[+] Got packet! SEQ = 0x{:x}, ACK = 0x{:x}", connection.get_seq(), connection.get_ack());
 
     let (mut tx, _rx) = net::create_socket()?;