initial commit
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GPG key ID:
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|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
|
||||
[[package]]
|
||||
name = "winnow"
|
||||
version = "0.6.20"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "36c1fec1a2bb5866f07c25f68c26e565c4c200aebb96d7e55710c19d3e8ac49b"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
14
Cargo.toml
Normal file
14
Cargo.toml
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
[package]
|
||||
name = "smp-socks"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
serde = { version = "1.0.210", features = ["derive"] }
|
||||
socks5-server = "0.10.1"
|
||||
thiserror = "1.0.64"
|
||||
tokio = { version = "1.40.0", features = ["macros", "rt-multi-thread", "io-util"] }
|
||||
toml = { version = "0.8.19", default-features = false, features = ["parse"] }
|
||||
|
||||
[dev-dependencies]
|
||||
serde_test = "1.0.177"
|
||||
31
src/config.rs
Normal file
31
src/config.rs
Normal file
|
|
@ -0,0 +1,31 @@
|
|||
use std::{collections::HashSet, io::Read, net::Ipv4Addr};
|
||||
|
||||
use crate::{error::AppResult, serde_addr::TargetAddr};
|
||||
|
||||
#[derive(serde::Deserialize)]
|
||||
pub struct Config {
|
||||
pub host: String,
|
||||
pub port: u16,
|
||||
pub local: HashSet<TargetAddr>,
|
||||
pub remote: HashSet<TargetAddr>,
|
||||
}
|
||||
|
||||
pub fn parse() -> AppResult<Config> {
|
||||
if let Some(mut file) = std::env::var_os("CONFIG")
|
||||
.and_then(|path| std::fs::File::open(path).ok())
|
||||
.or_else(|| std::fs::File::open("config.toml").ok())
|
||||
{
|
||||
let mut buf = String::new();
|
||||
file.read_to_string(&mut buf)?;
|
||||
Ok(toml::from_str(&buf)?)
|
||||
} else {
|
||||
let mut local = HashSet::new();
|
||||
local.insert((Ipv4Addr::new(127, 0, 0, 1).into(), 5232).into());
|
||||
Ok(Config {
|
||||
host: "0.0.0.0".to_owned(),
|
||||
port: 5233,
|
||||
local,
|
||||
remote: HashSet::new(),
|
||||
})
|
||||
}
|
||||
}
|
||||
79
src/error.rs
Normal file
79
src/error.rs
Normal file
|
|
@ -0,0 +1,79 @@
|
|||
use socks5_server::proto::Error as SocksProtoError;
|
||||
use tokio::net::TcpStream;
|
||||
|
||||
pub type AppResult<T> = core::result::Result<T, AppError>;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum AppError {
|
||||
IoError(std::io::Error),
|
||||
InvalidConfig(toml::de::Error),
|
||||
SocksError(SocksProtoError),
|
||||
DataNotUtf8(std::string::FromUtf8Error),
|
||||
ThirdPartyHost,
|
||||
}
|
||||
|
||||
impl From<std::io::Error> for AppError {
|
||||
#[inline]
|
||||
fn from(value: std::io::Error) -> Self {
|
||||
Self::IoError(value)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<toml::de::Error> for AppError {
|
||||
#[inline]
|
||||
fn from(value: toml::de::Error) -> Self {
|
||||
Self::InvalidConfig(value)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<SocksProtoError> for AppError {
|
||||
#[inline]
|
||||
fn from(value: SocksProtoError) -> Self {
|
||||
Self::SocksError(value)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<std::string::FromUtf8Error> for AppError {
|
||||
#[inline]
|
||||
fn from(value: std::string::FromUtf8Error) -> Self {
|
||||
Self::DataNotUtf8(value)
|
||||
}
|
||||
}
|
||||
|
||||
pub type HandlerResult<T> = core::result::Result<T, HandlerError>;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct HandlerError {
|
||||
inner: AppError,
|
||||
stream: TcpStream,
|
||||
}
|
||||
|
||||
impl From<(AppError, TcpStream)> for HandlerError {
|
||||
#[inline]
|
||||
fn from(value: (AppError, TcpStream)) -> Self {
|
||||
Self {
|
||||
inner: value.0,
|
||||
stream: value.1,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl From<(SocksProtoError, TcpStream)> for HandlerError {
|
||||
#[inline]
|
||||
fn from(value: (SocksProtoError, TcpStream)) -> Self {
|
||||
Self {
|
||||
inner: AppError::SocksError(value.0),
|
||||
stream: value.1,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl From<(std::io::Error, TcpStream)> for HandlerError {
|
||||
#[inline]
|
||||
fn from(value: (std::io::Error, TcpStream)) -> Self {
|
||||
Self {
|
||||
inner: AppError::IoError(value.0),
|
||||
stream: value.1,
|
||||
}
|
||||
}
|
||||
}
|
||||
58
src/handler.rs
Normal file
58
src/handler.rs
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
use std::sync::Arc;
|
||||
|
||||
use crate::{
|
||||
config::Config,
|
||||
error::{AppError, HandlerError, HandlerResult},
|
||||
};
|
||||
|
||||
use socks5_server::{
|
||||
connection::state::NeedAuthenticate,
|
||||
proto::{Address, Reply},
|
||||
Command, IncomingConnection,
|
||||
};
|
||||
use tokio::net::TcpStream;
|
||||
|
||||
pub async fn handler(
|
||||
conn: IncomingConnection<(), NeedAuthenticate>,
|
||||
config: Arc<Config>,
|
||||
) -> HandlerResult<()> {
|
||||
let conn = conn.authenticate().await?.0;
|
||||
|
||||
match conn.wait().await? {
|
||||
Command::Associate(cmd, _addr) => {
|
||||
let _ = cmd
|
||||
.reply(Reply::CommandNotSupported, Address::unspecified())
|
||||
.await?
|
||||
.close()
|
||||
.await;
|
||||
}
|
||||
|
||||
Command::Bind(cmd, _addr) => {
|
||||
let _ = cmd
|
||||
.reply(Reply::CommandNotSupported, Address::unspecified())
|
||||
.await?
|
||||
.close()
|
||||
.await;
|
||||
}
|
||||
|
||||
Command::Connect(cmd, addr) => {
|
||||
let target = match addr {
|
||||
Address::DomainAddress(host, port) => {
|
||||
let Ok(host) = String::from_utf8(host) else {
|
||||
let conn = cmd
|
||||
.reply(Reply::GeneralFailure, Address::unspecified())
|
||||
.await?
|
||||
.into_inner();
|
||||
return Err(
|
||||
(std::io::Error::from(std::io::ErrorKind::InvalidData), conn).into(),
|
||||
);
|
||||
};
|
||||
TcpStream::connect((host.as_ref(), port)).await
|
||||
}
|
||||
Address::SocketAddress(addr) => TcpStream::connect(addr).await,
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
9
src/host.rs
Normal file
9
src/host.rs
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
use std::{net::SocketAddr, sync::Arc};
|
||||
|
||||
use crate::{config::Config, error::AppResult};
|
||||
|
||||
pub fn parse_str(value: Vec<u8>, config: Arc<Config>) -> AppResult<SocketAddr> {
|
||||
let host = String::from_utf8(value)?;
|
||||
|
||||
//
|
||||
}
|
||||
36
src/main.rs
Normal file
36
src/main.rs
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
mod config;
|
||||
mod error;
|
||||
mod handler;
|
||||
// mod host;
|
||||
mod serde_addr;
|
||||
|
||||
use std::sync::Arc;
|
||||
|
||||
use error::AppResult;
|
||||
use handler::handler;
|
||||
|
||||
use socks5_server as socks;
|
||||
use tokio::net::TcpListener;
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() -> AppResult<()> {
|
||||
let config = Arc::new(config::parse()?);
|
||||
let auth = Arc::new(socks::auth::NoAuth);
|
||||
|
||||
let listener = TcpListener::bind((config.host.as_str(), config.port)).await?;
|
||||
let server = socks::Server::new(listener, auth);
|
||||
|
||||
while let Ok((conn, _addr)) = server.accept().await {
|
||||
let config = config.clone();
|
||||
tokio::spawn(async move {
|
||||
match handler(conn, config).await {
|
||||
Ok(()) => {}
|
||||
Err(e) => {
|
||||
//
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
186
src/serde_addr.rs
Normal file
186
src/serde_addr.rs
Normal file
|
|
@ -0,0 +1,186 @@
|
|||
use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, ToSocketAddrs};
|
||||
|
||||
use serde::{de::Visitor, Deserialize};
|
||||
|
||||
pub const DEFAULT_PORT: u16 = 5232;
|
||||
|
||||
#[derive(Debug, Clone, Eq, PartialEq, Hash)]
|
||||
pub enum TargetAddr {
|
||||
DomainName(String, u16),
|
||||
IpAddress(SocketAddr),
|
||||
}
|
||||
|
||||
impl<'de> Deserialize<'de> for TargetAddr {
|
||||
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
|
||||
where
|
||||
D: serde::Deserializer<'de>,
|
||||
{
|
||||
deserializer.deserialize_str(AddrVisitor)
|
||||
}
|
||||
}
|
||||
|
||||
impl ToSocketAddrs for TargetAddr {
|
||||
type Iter = AddrIter;
|
||||
|
||||
fn to_socket_addrs(&self) -> std::io::Result<Self::Iter> {
|
||||
Ok(match self {
|
||||
Self::DomainName(host, port) => (host.as_str(), *port).to_socket_addrs()?.into(),
|
||||
Self::IpAddress(sockaddr) => sockaddr.clone().into(),
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl From<(IpAddr, u16)> for TargetAddr {
|
||||
#[inline]
|
||||
fn from((addr, port): (IpAddr, u16)) -> Self {
|
||||
Self::IpAddress(SocketAddr::new(addr, port))
|
||||
}
|
||||
}
|
||||
|
||||
pub struct AddrVisitor;
|
||||
|
||||
impl<'de> Visitor<'de> for AddrVisitor {
|
||||
type Value = TargetAddr;
|
||||
|
||||
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
|
||||
where
|
||||
E: serde::de::Error,
|
||||
{
|
||||
let v = v.trim();
|
||||
|
||||
let ipv6 = v.starts_with('[');
|
||||
let mut port_idx = v.len();
|
||||
|
||||
let port = if ipv6 {
|
||||
v.rfind("]:").and_then(|pos| {
|
||||
port_idx = pos;
|
||||
v.get(pos + 2..)
|
||||
})
|
||||
} else {
|
||||
v.rfind(':').and_then(|pos| {
|
||||
port_idx = pos;
|
||||
v.get(pos + 1..)
|
||||
})
|
||||
}
|
||||
.and_then(|port| {
|
||||
port.parse::<u16>()
|
||||
.map_err(|_| {
|
||||
port_idx = v.len();
|
||||
})
|
||||
.ok()
|
||||
})
|
||||
.unwrap_or(DEFAULT_PORT);
|
||||
|
||||
let host = if ipv6 {
|
||||
v.get(1..port_idx)
|
||||
} else {
|
||||
v.get(..port_idx)
|
||||
}
|
||||
.ok_or(serde::de::Error::missing_field("host"))?;
|
||||
|
||||
if ipv6 {
|
||||
let addr = IpAddr::V6(host.parse().map_err(serde::de::Error::custom)?);
|
||||
Ok((addr, port).into())
|
||||
} else {
|
||||
if let Ok(addr) = host.parse::<Ipv4Addr>() {
|
||||
Ok((IpAddr::V4(addr), port).into())
|
||||
} else if let Ok(addr) = host.parse::<Ipv6Addr>() {
|
||||
Ok((IpAddr::V6(addr), port).into())
|
||||
} else {
|
||||
Ok(TargetAddr::DomainName(host.to_owned(), port))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
|
||||
write!(
|
||||
f,
|
||||
concat!(
|
||||
"host:port ",
|
||||
"where host is a domain or an ipv4/ipv6 addr, ",
|
||||
"and optional port is u16",
|
||||
),
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
pub enum AddrIter {
|
||||
HostResolved(std::vec::IntoIter<SocketAddr>),
|
||||
OneAddress(std::iter::Once<SocketAddr>),
|
||||
}
|
||||
|
||||
impl Iterator for AddrIter {
|
||||
type Item = SocketAddr;
|
||||
|
||||
#[inline]
|
||||
fn next(&mut self) -> Option<Self::Item> {
|
||||
match self {
|
||||
Self::HostResolved(iter) => iter.next(),
|
||||
Self::OneAddress(iter) => iter.next(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl From<std::vec::IntoIter<SocketAddr>> for AddrIter {
|
||||
#[inline]
|
||||
fn from(value: std::vec::IntoIter<SocketAddr>) -> Self {
|
||||
Self::HostResolved(value)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<SocketAddr> for AddrIter {
|
||||
#[inline]
|
||||
fn from(value: SocketAddr) -> Self {
|
||||
Self::OneAddress(std::iter::once(value))
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
|
||||
|
||||
use serde_test::{assert_de_tokens, Token};
|
||||
|
||||
use super::{TargetAddr, DEFAULT_PORT};
|
||||
|
||||
const LOCALHOST_V4: IpAddr = IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1));
|
||||
const TEST_V6: IpAddr = IpAddr::V6(Ipv6Addr::new(
|
||||
0xfe80, 0x0, 0x0, 0x0, 0x721e, 0xd21f, 0x29a3, 0xf396,
|
||||
));
|
||||
|
||||
#[test]
|
||||
pub fn ipv4_without_port() {
|
||||
let exp: TargetAddr = (LOCALHOST_V4, DEFAULT_PORT).into();
|
||||
assert_de_tokens(&exp, &[Token::Str("127.0.0.1")]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
pub fn ipv4_with_port() {
|
||||
let exp: TargetAddr = (LOCALHOST_V4, 443).into();
|
||||
assert_de_tokens(&exp, &[Token::Str("127.0.0.1:443")]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
pub fn ipv6_without_port() {
|
||||
let exp: TargetAddr = (TEST_V6, DEFAULT_PORT).into();
|
||||
assert_de_tokens(&exp, &[Token::Str("fe80::721e:d21f:29a3:f396")]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
pub fn ipv6_with_port() {
|
||||
let exp: TargetAddr = (TEST_V6, 443).into();
|
||||
assert_de_tokens(&exp, &[Token::Str("[fe80::721e:d21f:29a3:f396]:443")]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
pub fn domain_without_port() {
|
||||
let exp = TargetAddr::DomainName("smp.dc09.ru".to_owned(), DEFAULT_PORT);
|
||||
assert_de_tokens(&exp, &[Token::Str("smp.dc09.ru")]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
pub fn domain_with_port() {
|
||||
let exp = TargetAddr::DomainName("xftp.dc09.ru".to_owned(), 443);
|
||||
assert_de_tokens(&exp, &[Token::Str("xftp.dc09.ru:443")]);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue