// Copyright (C) 2022 Robin Krahl <robin.krahl@ireas.org>
// SPDX-License-Identifier: CC0-1.0

//! Executes a CTAP1/U2F command on all available CTAPHID devices that support it.

fn main() -> Result<(), Box<dyn std::error::Error>> {
    env_logger::init();

    let hidapi = hidapi::HidApi::new()?;
    let devices: Vec<_> = hidapi
        .device_list()
        .filter(|device| ctaphid::is_known_device(*device))
        .collect();
    for device_info in devices {
        let device = device_info.open_device(&hidapi)?;
        let device = ctaphid::Device::new(device, device_info.to_owned())?;
        let status = if device.capabilities().has_msg() {
            let response = device.ctap1(&[0x00, 0x03, 0x00, 0x00, 0x00])?;
            let n = response.len();
            assert!(n > 2);
            assert_eq!(&response[n - 2..], &[0x90, 0x00]);
            String::from_utf8_lossy(&response[..n - 2]).into_owned()
        } else {
            "no CTAP1 support".to_owned()
        };
        println!("- {}: {}", device_info.path().to_string_lossy(), status);
    }
    Ok(())
}