Move testing SOCKS server to own crate

2 files changed, 56 insertions, 0 deletions

diff --git a/test/socks-server/Cargo.toml b/test/socks-server/Cargo.toml
new file mode 100644
index 0000000000..ba6d1ba4f8
--- /dev/null
+++ b/test/socks-server/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "socks-server"
+description = "Contains a simple SOCKS5 server"
+authors.workspace = true
+repository.workspace = true
+license.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+
+[lints]
+workspace = true
+
+[dependencies]
+fast-socks5 = "0.9.5"
+err-derive = { workspace = true }
+tokio = { workspace = true }
+log = { workspace = true }
+futures = { workspace = true }
diff --git a/test/socks-server/src/lib.rs b/test/socks-server/src/lib.rs
new file mode 100644
index 0000000000..19638efe39
--- /dev/null
+++ b/test/socks-server/src/lib.rs
@@ -0,0 +1,38 @@
+use futures::StreamExt;
+use std::io;
+use std::net::SocketAddr;
+
+#[derive(err_derive::Error, Debug)]
+pub enum Error {
+    #[error(display = "Failed to start SOCKS5 server")]
+    StartSocksServer(#[error(source)] io::Error),
+}
+
+pub async fn spawn(bind_addr: SocketAddr) -> Result<tokio::task::JoinHandle<()>, Error> {
+    let socks_server: fast_socks5::server::Socks5Server =
+        fast_socks5::server::Socks5Server::bind(bind_addr)
+            .await
+            .map_err(Error::StartSocksServer)?;
+
+    let handle = tokio::spawn(async move {
+        let mut incoming = socks_server.incoming();
+
+        while let Some(new_client) = incoming.next().await {
+            match new_client {
+                Ok(socket) => {
+                    let fut = socket.upgrade_to_socks5();
+                    tokio::spawn(async move {
+                        match fut.await {
+                            Ok(_socket) => log::info!("socks client disconnected"),
+                            Err(error) => log::error!("socks client failed: {error}"),
+                        }
+                    });
+                }
+                Err(error) => {
+                    log::error!("failed to accept socks client: {error}");
+                }
+            }
+        }
+    });
+    Ok(handle)
+}