src/identity/tools/sktool/src/main.rs

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

//! `sktool` is a basic tool to scan a Fuchsia system for FIDO security keys and perform simple
//! operations on those security keys.
#![deny(missing_docs)]

mod ctap_device;
mod hid;

pub use crate::ctap_device::CtapDevice;
pub use crate::hid::HidCtapDevice;
use anyhow::Error;
use fuchsia_async as fasync;
use log::info;

#[fasync::run_singlethreaded]
async fn main() -> Result<(), Error> {
    fuchsia_syslog::init_with_tags(&["auth"]).expect("Can't init logger");

    info!("Starting Security Key tool.");
    print_devices().await;
    Ok(())
}

async fn print_devices() {
    match HidCtapDevice::devices().await.as_ref().map(|vec| vec.as_slice()) {
        Err(err) => println!("Fatal error reading devices: {:?}", err),
        Ok([]) => println!("No valid devices were found"),
        Ok(devices) => {
            for device in devices {
                println!(
                    "Device at {:?} has the following capabilities: {:?}",
                    device.path(),
                    device.capabilities()
                );
                if device.capabilities().wink() {
                    println!("Requesting that {:?} wink", device.path());
                    if let Err(err) = device.wink().await {
                        println!("Error during wink: {:?}", err);
                    }
                }
                let ping_result = device.ping(1024).await;
                println!("Ping of {:?} returned {:?}", device.path(), ping_result);
            }
        }
    }
}