shadowsocks_rust/
password.rs

1//! Common password utilities
2
3use std::{env, io};
4
5use log::debug;
6
7/// Read server's password from environment variable or TTY
8pub fn read_server_password(server_name: &str) -> io::Result<String> {
9    // common SS_SERVER_PASSWORD
10    if let Ok(pwd) = env::var("SS_SERVER_PASSWORD") {
11        debug!(
12            "got server {} password from environment variable SS_SERVER_PASSWORD",
13            server_name
14        );
15        return Ok(pwd);
16    }
17
18    // read from TTY
19    let tty_prompt = format!("({server_name}) Password: ");
20    if let Ok(pwd) = rpassword::prompt_password(tty_prompt) {
21        debug!("got server {} password from tty prompt", server_name);
22        return Ok(pwd);
23    }
24
25    Err(io::Error::other("no server password found"))
26}