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WIP: hellfire #1

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sad wants to merge 19 commits from hellfire into main
pull from: hellfire
merge into: sad:main
Conversation 0 Commits 19 Files Changed 19 +59 -48
2 changed files with 59 additions and 48 deletions
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Showing only changes of commit 85ce276658 - Show all commits

89
src/main.rs
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@ -4,9 +4,8 @@ use tokio_native_tls::native_tls::TlsConnector as NTlsConnector;
use tokio_native_tls::TlsConnector; use tokio_native_tls::TlsConnector;
use tokio::sync::mpsc; use tokio::sync::mpsc;
use serde::Deserialize; use serde::Deserialize;
use tokio_rustls::rustls::Writer;
use std::fs; use std::fs;
use std::future::IntoFuture; use std::sync::atomic::{AtomicBool, Ordering};
use colored::*; use colored::*;
#[derive(Deserialize)] #[derive(Deserialize)]
@ -28,24 +27,25 @@ use mods::sasl::{start_sasl_auth, handle_sasl_messages};
#[tokio::main(flavor = "multi_thread", worker_threads = 12)] #[tokio::main(flavor = "multi_thread", worker_threads = 12)]
async fn main() -> Result<(), Box<dyn std::error::Error>> { async fn main() -> Result<(), Box<dyn std::error::Error>> {
tokio::spawn(async move {
println!("Loading Config..."); println!("Loading Config...");
let config = loaded_config().expect("Error parsing config.toml"); let config = loaded_config().expect("Error parsing config.toml");
println!("Config loaded!"); println!("Config loaded!");
if config.use_ssl { if config.use_ssl {
let tcp_stream = TcpStream::connect(format!("{}:{}", config.server, config.port)).await?; let tcp_stream = TcpStream::connect(format!("{}:{}", config.server, config.port)).await;
println!("Connected to {}!", format!("{}:{}", config.server, config.port).green()); println!("Connected to {}!", format!("{}:{}", config.server, config.port).green());
println!("Establishing TLS connection..."); println!("Establishing TLS connection...");
let mut tls_stream = tls_exec (&config, tcp_stream).await?; let mut tls_stream = tls_exec (&config, tcp_stream.unwrap()).await.unwrap();
println!("TLS connection established!"); println!("TLS connection established!");
tls_stream.flush().await?; tls_stream.flush().await.unwrap();
handler(tls_stream, config).await?; handler(tls_stream, config).await.unwrap();
} else { } else {
println!("Non-SSL connection not implemented."); println!("Non-SSL connection not implemented.");
} }
}).await.unwrap();
Ok(()) Ok(())
} }
/// Load the config file /// Load the config file
@ -89,73 +89,88 @@ async fn readmsg(mut reader: tokio::io::ReadHalf<tokio_native_tls::TlsStream<Tcp
let mut buf = vec![0; 4096]; let mut buf = vec![0; 4096];
while let Ok (n) = reader.read(&mut buf).await { while let Ok (n) = reader.read(&mut buf).await {
if n == 0 { break; } if n == 0 { break; }
let msg = String::from_utf8_lossy(&buf[..n]).to_string(); let msg_list = String::from_utf8_lossy(&buf[..n]).to_string();
// must pretty this up later for lines in msg_list.lines() {
println!{"{}{}{} {}{} {}", "[".green().bold(), ">".yellow().bold(), "]".green().bold(), "DEBUG:".bold().yellow(), ":".bold().green(), msg.purple()}; let msg = lines.to_string();
println!("{}{}{} {}{} {}", "[".green().bold(), ">".yellow().bold(), "]".green().bold(), "DEBUG:".bold().yellow(), ":".bold().green(), msg.trim().purple());
tx.send(msg).await.unwrap(); tx.send(msg).await.unwrap();
if buf.len() == n {
buf.resize(buf.len() * 2, 0);
}
}
} }
} }
static SASL_AUTH: AtomicBool = AtomicBool::new(false);
/// Write messages to the server /// Write messages to the server
async fn writemsg(mut writer: tokio::io::WriteHalf<tokio_native_tls::TlsStream<TcpStream>>, mut rx: tokio::sync::mpsc::Receiver<String>, config: &Config) { async fn writemsg(mut writer: tokio::io::WriteHalf<tokio_native_tls::TlsStream<TcpStream>>, mut rx: tokio::sync::mpsc::Receiver<String>, config: &Config) {
// sasl auth // sasl auth
let capabilities = config.capabilities.clone(); //let capabilities = config.capabilities.clone();
let username = config.sasl_username.clone().unwrap(); let username = config.sasl_username.clone().unwrap();
let password = config.sasl_password.clone().unwrap(); let password = config.sasl_password.clone().unwrap();
let nickname = config.nickname.clone(); let nickname = config.nickname.clone();
if !password.is_empty() && !SASL_AUTH.load(Ordering::Relaxed) {
let capabilities = config.capabilities.clone();
if !password.is_empty() {
println!("Starting SASL auth..."); println!("Starting SASL auth...");
start_sasl_auth(&mut writer, "PLAIN", &nickname, capabilities).await.unwrap(); start_sasl_auth(&mut writer, "PLAIN", &nickname, capabilities).await.unwrap();
writer.flush().await.unwrap(); writer.flush().await.unwrap();
SASL_AUTH.store(true, Ordering::Relaxed);
} else { } else {
nickme(&mut writer, &nickname).await.unwrap(); nickme(&mut writer, &nickname).await.unwrap();
writer.flush().await.unwrap();
} }
//writer.flush().await.unwrap();
//let msg = rx.recv().await.unwrap();
//let msg = msg.trim();
//let parts = msg.split(' ').collect::<Vec<&str>>();
writer.flush().await.unwrap();
// THIS NEEDS TO BE REBUILT TO BE MORE MODULAR AND SECURE // THIS NEEDS TO BE REBUILT TO BE MORE MODULAR AND SECURE
while let Some(msg) = rx.recv().await { while let Some(msg) = rx.recv().await {
let msg = msg.trim();
if msg.is_empty() {
continue;
}
let parts = msg.split(' ').collect::<Vec<&str>>();
let serv = parts.first().unwrap_or(&"");
let cmd = parts.get(1).unwrap_or(&"");
if msg.starts_with("PING") {
let response = msg.replace("PING", "PONG");
println!("{} {} {} {} {}", "DEBUG:".bold().yellow(), "serv:".bold().green(), serv.purple(), "cmd:".bold().green(), cmd.purple());
if *serv == "PING" {
let response = msg.replace("PING", "PONG") + "\r\n";
println!("{} {} {}","[%] PONG:".bold().green(), nickname.blue(), response.purple()); println!("{} {} {}","[%] PONG:".bold().green(), nickname.blue(), response.purple());
writer.write_all(response.as_bytes()).await.unwrap(); writer.write_all(response.as_bytes()).await.unwrap();
writer.flush().await.unwrap(); writer.flush().await.unwrap();
//continue; continue;
} }
// handle sasl auth if (*cmd == "CAP" || msg.starts_with("AUTHENTICATE +") || *cmd == "903") && SASL_AUTH.load(Ordering::Relaxed) {
if !password.is_empty(){
println!("Handling SASL messages..."); println!("Handling SASL messages...");
handle_sasl_messages(&mut writer, &msg, &username, &password, &nickname).await.unwrap(); handle_sasl_messages(&mut writer, msg.trim(), &username, &password, &nickname).await.unwrap();
//continue;
writer.flush().await.unwrap(); writer.flush().await.unwrap();
} }
if *cmd == "001" {
// new commands here
if msg.contains("001") {
println!("Setting mode"); println!("Setting mode");
writer.write_all(format!("MODE {} +B\r\n", nickname).as_bytes()).await.unwrap(); writer.write_all(format!("MODE {} +B\r\n", nickname).as_bytes()).await.unwrap();
writer.flush().await.unwrap(); writer.flush().await.unwrap();
} }
if *cmd == "376" {
if msg.contains("433") {
println!("Nickname already in use, appending _ to nickname");
let new_nick = format!("{}_", nickname);
nickme(&mut writer, &new_nick).await.unwrap();
writer.flush().await.unwrap();
}
if msg.contains("376") {
println!("Joining channel"); println!("Joining channel");
writer.write_all(format!("JOIN {}\r\n", config.channel).as_bytes()).await.unwrap(); writer.write_all(format!("JOIN {}\r\n", config.channel).as_bytes()).await.unwrap();
writer.flush().await.unwrap(); writer.flush().await.unwrap();
} }
if *cmd == "PRIVMSG" {
let channel = parts[2];
let user = parts[0];
let host = user.split_at(user.find('!').unwrap());
let msg = parts[3..].join(" ").replace(':', "");
println!("{}{}{} {}{} {} {} {}", "[".green().bold(), ">".yellow().bold(), "]".green().bold(), "PRIVMSG:".bold().yellow(), ":".bold().green(), channel.yellow(), user.blue(), msg.purple());
}
} }
} }
async fn nickme<W: tokio::io::AsyncWriteExt + Unpin>(writer: &mut W, nickname: &str) -> Result<(), Box<dyn std::error::Error>> { async fn nickme<W: tokio::io::AsyncWriteExt + Unpin>(writer: &mut W, nickname: &str) -> Result<(), Box<dyn std::error::Error>> {
writer.write_all(format!("NICK {}\r\n", nickname).as_bytes()).await?; writer.write_all(format!("NICK {}\r\n", nickname).as_bytes()).await?;
writer.flush().await?; writer.flush().await?;

12
src/mods/sasl.rs
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@ -1,4 +1,5 @@
// mods/sasl.rs // mods/sasl.rs
use crate::nickme;
use base64::Engine; use base64::Engine;
pub async fn start_sasl_auth<W: tokio::io::AsyncWriteExt + Unpin>( pub async fn start_sasl_auth<W: tokio::io::AsyncWriteExt + Unpin>(
writer: &mut W, writer: &mut W,
@ -7,10 +8,7 @@ pub async fn start_sasl_auth<W: tokio::io::AsyncWriteExt + Unpin>(
capabilities: Option<Vec<String>>) -> Result<(), Box<dyn std::error::Error>> { capabilities: Option<Vec<String>>) -> Result<(), Box<dyn std::error::Error>> {
writer.write_all(b"CAP LS 302\r\n").await?; writer.write_all(b"CAP LS 302\r\n").await?;
let nick_cmd = format!("NICK {}\r\n", nickname); nickme(writer, nickname).await?;
writer.write_all(nick_cmd.as_bytes()).await?;
let user_cmd = format!("USER {} 0 * :{}\r\n", nickname, nickname);
writer.write_all(user_cmd.as_bytes()).await?;
if let Some(caps) = capabilities { if let Some(caps) = capabilities {
if !caps.is_empty() { if !caps.is_empty() {
@ -20,7 +18,7 @@ pub async fn start_sasl_auth<W: tokio::io::AsyncWriteExt + Unpin>(
} else { } else {
writer.write_all(b"CAP REQ :sasl\r\n").await?; writer.write_all(b"CAP REQ :sasl\r\n").await?;
} }
//println!("Handling SASL messages...");
writer.flush().await?; writer.flush().await?;
Ok(()) Ok(())
} }
@ -32,8 +30,7 @@ pub async fn handle_sasl_messages<W: tokio::io::AsyncWriteExt + Unpin>(
password: &str, password: &str,
nickname: &str, nickname: &str,
) -> Result<(), Box<dyn std::error::Error>> { ) -> Result<(), Box<dyn std::error::Error>> {
let nick = format!("CAP {} ACK :sasl", nickname.to_string()); if message.contains(format!("CAP {} ACK :sasl", nickname).as_str()) {
if message.contains(&nick) {
writer.write_all(b"AUTHENTICATE PLAIN\r\n").await?; writer.write_all(b"AUTHENTICATE PLAIN\r\n").await?;
} else if message.starts_with("AUTHENTICATE +") { } else if message.starts_with("AUTHENTICATE +") {
let auth_string = format!("\0{}\0{}", username, password); let auth_string = format!("\0{}\0{}", username, password);
@ -45,4 +42,3 @@ pub async fn handle_sasl_messages<W: tokio::io::AsyncWriteExt + Unpin>(
writer.flush().await?; writer.flush().await?;
Ok(()) Ok(())
} }