From 0867c8482555f910d4aae03aa66efd8fcb7b2109 Mon Sep 17 00:00:00 2001
From: Celeste <colean@colean.cc>
Date: Thu, 23 Dec 2021 16:48:08 +0000
Subject: [PATCH] Add stream boilerplate and find if users have opted into the
 finger protocol.

---
 .gitignore  |  1 +
 Cargo.lock  |  5 +++++
 Cargo.toml  |  9 ++++++++
 src/main.rs | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 77 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..a483b7a
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "singer"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ce4d287
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "singer"
+version = "0.1.0"
+authors = ["Celeste <colean@colean.cc>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..f227ffa
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,62 @@
+use std::io::{Write, BufReader, BufRead};
+use std::net::{TcpListener, TcpStream};
+use std::fs;
+use std::string::{String};
+
+fn path_exist(path: String) -> bool {
+
+	let file = fs::metadata(path);
+
+	match file {
+		Ok(_) => true,
+		Err(_) => false,
+	}
+
+}
+
+
+fn process(request: Vec<u8>) -> String { 
+	let mut input = String::from_utf8_lossy(&request).to_string();
+	let output;
+
+	input.pop();
+	input.pop();
+
+	println!("/home/{}/.yes__finger", input);
+
+	if path_exist(format!("/home/{}/.yes_finger", input)) {
+		// Todo: fingery stuff lmao
+		output = "User found!";
+	} else {
+		output = "The requested user does not exist.";
+	}
+
+	return output.to_string();
+
+}
+
+fn serve(mut stream: TcpStream) {
+	let mut request = Vec::new();
+	let mut reader = BufReader::new(&mut stream);
+	reader
+	    .read_until(b'\n', &mut request)
+	    .expect("Failed to read from stream!");
+	
+	let finger = process(request);
+	let response = format!("{}\n", finger);
+	
+	stream.write(response.as_bytes()).unwrap();
+	stream.flush().unwrap();
+
+}
+
+
+fn main() -> std::io::Result<()> {
+	let listen = TcpListener::bind("0.0.0.0:79")?;
+
+	for stream in listen.incoming() {
+		println!("Serving incoming stream.");
+		serve(stream?);
+	}
+	Ok(())
+}