use libc::ioctl;
use luks2::*;
use secrecy::ExposeSecret;
use std::{fs::File, os::unix::prelude::AsRawFd};

#[macro_use]
extern crate nix;

fn main() {
    let path = "/dev/nvme0n1p2";
    let partition = File::open(path).expect("could not open partition (are you root?)");

    let sector_size = unsafe {
        let mut ss: libc::size_t = 0;
        ioctl(
            partition.as_raw_fd(),
            request_code_none!(0x12, 104),
            &mut ss,
        );
        ss
    };

    println!("Enter password for partition: ");
    let password = password::read().expect("could not read password");

    let luks_device =
        LuksDevice::from_device(partition, password.expose_secret().as_bytes(), sector_size)
            .expect("could not create luks device");

    println!("{}", luks_device.header);
    println!("{:#?}", luks_device.json);
}