spectre-rs 0.1.0

A Rust implementation of the Spectre password manager (derivative of Maarten Billemont's original work)
Documentation 
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use std::io::{self, Write};

/// Prompt user for input
pub fn prompt_line(prompt: &str) -> io::Result<String> {
    print!("{} ", prompt);
    io::stdout().flush()?;
    
    let mut input = String::new();
    io::stdin().read_line(&mut input)?;
    
    Ok(input.trim().to_string())
}

/// Prompt user for password (hidden input)
pub fn prompt_password(prompt: &str) -> io::Result<String> {
    rpassword::prompt_password(prompt)
}

/// Parse boolean from string
pub fn parse_bool(s: &str) -> bool {
    matches!(s, "1" | "true" | "yes" | "y" | "on")
}

/// Zero out a string's memory (security measure)
pub fn zero_string(s: &mut String) {
    unsafe {
        let bytes = s.as_bytes_mut();
        for byte in bytes.iter_mut() {
            *byte = 0;
        }
    }
    s.clear();
}

/// Read from file descriptor
pub fn read_fd(fd: i32) -> io::Result<String> {
    use std::os::unix::io::FromRawFd;
    use std::fs::File;
    use std::io::Read;
    
    let mut file = unsafe { File::from_raw_fd(fd) };
    let mut contents = String::new();
    file.read_to_string(&mut contents)?;
    
    Ok(contents)
}