diff --git a/Cargo.toml b/Cargo.toml
index e3a6b86..67b5885 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,7 @@ edition = "2018"
 [dependencies]
 
 base64 = "0.12"
+blake3 = "0.3"
 futures = "0.3"
 http = "0.2"
 hyper = "0.13"
diff --git a/src/bin/server.rs b/src/bin/server.rs
index 94b16be..b4aedb4 100644
--- a/src/bin/server.rs
+++ b/src/bin/server.rs
@@ -2,5 +2,9 @@ use std::error::Error;
 
 #[tokio::main]
 async fn main () -> Result <(), Box <dyn Error>> {
-	ptth::server::main ().await
+	let opt = ptth::server::Opt {
+		root: "/home/user".into (),
+	};
+	
+	ptth::server::main (opt).await
 }
diff --git a/src/lib.rs b/src/lib.rs
index 781be02..e7feeec 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,16 +15,9 @@ pub mod server;
 
 #[cfg (test)]
 mod tests {
-	use std::{
-		error::Error,
-		time::Duration,
-	};
-	
 	use tokio::{
-		prelude::*,
 		runtime::Runtime,
 		spawn,
-		time::delay_for,
 	};
 	
 	use super::{
@@ -44,12 +37,35 @@ mod tests {
 				relay::main ().await.unwrap ();
 			});
 			
+			spawn (async {
+				let opt = server::Opt {
+					root: ".".into (),
+				};
+				
+				server::main (opt).await.unwrap ();
+			});
+			
 			let client = Client::new ();
 			
 			let resp = client.get ("http://127.0.0.1:4000/relay_up_check")
 			.send ().await.unwrap ().bytes ().await.unwrap ();
 			
 			assert_eq! (resp, "Relay is up\n");
+			
+			let resp = client.get ("http://127.0.0.1:4000/http_request/alien_wildlands/COPYING")
+			.send ().await.unwrap ().bytes ().await.unwrap ();
+			
+			assert_eq! (blake3::hash (&resp), blake3::Hash::from ([
+				0xca, 0x02, 0x92, 0x78,
+				0x9c, 0x0a, 0x0e, 0xcb,
+				0xa7, 0x06, 0xf4, 0xb3,
+				0xf3, 0x49, 0x30, 0x07,
+				
+				0xa9, 0x95, 0x17, 0x31,
+				0xc1, 0xd4, 0x32, 0xc5,
+				0x2c, 0x4a, 0xac, 0x1f,
+				0x1a, 0xbb, 0xa8, 0xef,
+			]));
 		});
 	}
 }
diff --git a/src/server/file_server.rs b/src/server/file_server.rs
index b76e439..0748f0b 100644
--- a/src/server/file_server.rs
+++ b/src/server/file_server.rs
@@ -4,7 +4,7 @@ use std::{
 	cmp::{min, max},
 	convert::{Infallible, TryInto},
 	io::SeekFrom,
-	path::PathBuf,
+	path::{Path, PathBuf},
 };
 
 // file_server shouldn't depend on reqwest, but for now it
@@ -205,6 +205,7 @@ async fn serve_error (
 }
 
 pub async fn serve_all (
+	root: &Path,
 	parts: http_serde::RequestParts
 )
 -> http_serde::Response
@@ -234,7 +235,7 @@ pub async fn serve_all (
 	let encoded_path = &parts.uri [1..];
 	let path = percent_decode (encoded_path.as_bytes ()).decode_utf8 ().unwrap ();
 	
-	let mut full_path = PathBuf::from ("/home/user");
+	let mut full_path = PathBuf::from (root);
 	full_path.push (&*path);
 	
 	if let Ok (dir) = read_dir (&full_path).await {
diff --git a/src/server/mod.rs b/src/server/mod.rs
index 825058e..8de8fc0 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -1,5 +1,6 @@
 use std::{
 	error::Error,
+	path::PathBuf,
 	sync::Arc,
 	time::Duration,
 };
@@ -20,6 +21,7 @@ const RELAY_URL: &str = "http://127.0.0.1:4000";
 const SERVER_NAME: &str = "alien_wildlands";
 
 async fn handle_req_resp (
+	opt: &Opt,
 	client: &Client,
 	req_resp: reqwest::Response
 ) -> Result <(), Box <dyn Error>> {
@@ -39,7 +41,7 @@ async fn handle_req_resp (
 	
 	let (req_id, parts) = (wrapped_req.id, wrapped_req.req);
 	
-	let response = file_server::serve_all (parts).await;
+	let response = file_server::serve_all (&opt.root, parts).await;
 	
 	let mut resp_req = client
 	.post (&format! ("{}/http_response/{}", RELAY_URL, req_id))
@@ -57,8 +59,13 @@ async fn handle_req_resp (
 	Ok (())
 }
 
-pub async fn main () -> Result <(), Box <dyn Error>> {
+pub struct Opt {
+	pub root: PathBuf,
+}
+
+pub async fn main (opt: Opt) -> Result <(), Box <dyn Error>> {
 	let client = Arc::new (Client::new ());
+	let opt = Arc::new (opt);
 	
 	let mut backoff_delay = 0;
 	
@@ -85,8 +92,10 @@ pub async fn main () -> Result <(), Box <dyn Error>> {
 		// immediately listen for the next connection
 		
 		let client = client.clone ();
+		let opt = opt.clone ();
+		
 		tokio::spawn (async move {
-			match handle_req_resp (&client, req_resp).await {
+			match handle_req_resp (&opt, &client, req_resp).await {
 				_ => (),
 			}
 		});