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Vendor HID for libtock-drivers (#452)

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* multi HID interface for libtock-drivers

* proper u8 print
This commit is contained in:
kaczmarczyck
2022-04-05 05:52:33 +02:00
committed by GitHub
parent 742e5f149f
commit b33ffb7979
5 changed files with 86 additions and 135 deletions
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27
src/env/tock/mod.rs vendored
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@@ -1,6 +1,6 @@
pub use self::storage::{TockStorage, TockUpgradeStorage};
use crate::api::firmware_protection::FirmwareProtection;
use crate::ctap::hid::{ChannelID, CtapHid, CtapHidCommand, KeepaliveStatus, ProcessedPacket};
use crate::ctap::hid::{CtapHid, CtapHidCommand, KeepaliveStatus, ProcessedPacket};
use crate::ctap::status_code::Ctap2StatusCode;
use crate::ctap::Channel;
use crate::env::{Env, UserPresence};
@@ -56,11 +56,7 @@ pub fn take_storage() -> StorageResult<TockStorage> {
impl UserPresence for TockEnv {
fn check(&mut self, channel: Channel) -> Result<(), Ctap2StatusCode> {
match channel {
Channel::MainHid(cid) => check_user_presence(self, cid),
#[cfg(feature = "vendor_hid")]
Channel::VendorHid(cid) => check_user_presence(self, cid),
}
check_user_presence(self, channel)
}
}
@@ -113,12 +109,17 @@ impl Env for TockEnv {
// Returns whether the keepalive was sent, or false if cancelled.
fn send_keepalive_up_needed(
env: &mut TockEnv,
cid: ChannelID,
channel: Channel,
timeout: Duration<isize>,
) -> Result<(), Ctap2StatusCode> {
let (interface, cid) = match channel {
Channel::MainHid(cid) => (usb_ctap_hid::UsbInterface::MainHid, cid),
#[cfg(feature = "vendor_hid")]
Channel::VendorHid(cid) => (usb_ctap_hid::UsbInterface::VendorHid, cid),
};
let keepalive_msg = CtapHid::keepalive(cid, KeepaliveStatus::UpNeeded);
for mut pkt in keepalive_msg {
let status = usb_ctap_hid::send_or_recv_with_timeout(&mut pkt, timeout);
let status = usb_ctap_hid::send_or_recv_with_timeout(&mut pkt, timeout, interface);
match status {
None => {
debug_ctap!(env, "Sending a KEEPALIVE packet timed out");
@@ -128,10 +129,10 @@ fn send_keepalive_up_needed(
Some(usb_ctap_hid::SendOrRecvStatus::Sent) => {
debug_ctap!(env, "Sent KEEPALIVE packet");
}
Some(usb_ctap_hid::SendOrRecvStatus::Received) => {
Some(usb_ctap_hid::SendOrRecvStatus::Received(received_interface)) => {
// We only parse one packet, because we only care about CANCEL.
let (received_cid, processed_packet) = CtapHid::process_single_packet(&pkt);
if received_cid != &cid {
if received_interface != interface || received_cid != &cid {
debug_ctap!(
env,
"Received a packet on channel ID {:?} while sending a KEEPALIVE packet",
@@ -218,13 +219,13 @@ pub fn switch_off_leds() {
const KEEPALIVE_DELAY_MS: isize = 100;
pub const KEEPALIVE_DELAY_TOCK: Duration<isize> = Duration::from_ms(KEEPALIVE_DELAY_MS);
fn check_user_presence(env: &mut TockEnv, cid: ChannelID) -> Result<(), Ctap2StatusCode> {
fn check_user_presence(env: &mut TockEnv, channel: Channel) -> Result<(), Ctap2StatusCode> {
// The timeout is N times the keepalive delay.
const TIMEOUT_ITERATIONS: usize =
crate::ctap::TOUCH_TIMEOUT_MS as usize / KEEPALIVE_DELAY_MS as usize;
// First, send a keep-alive packet to notify that the keep-alive status has changed.
send_keepalive_up_needed(env, cid, KEEPALIVE_DELAY_TOCK)?;
send_keepalive_up_needed(env, channel, KEEPALIVE_DELAY_TOCK)?;
// Listen to the button presses.
let button_touched = Cell::new(false);
@@ -274,7 +275,7 @@ fn check_user_presence(env: &mut TockEnv, cid: ChannelID) -> Result<(), Ctap2Sta
// so that LEDs blink with a consistent pattern.
if keepalive_expired.get() {
// Do not return immediately, because we must clean up still.
keepalive_response = send_keepalive_up_needed(env, cid, KEEPALIVE_DELAY_TOCK);
keepalive_response = send_keepalive_up_needed(env, channel, KEEPALIVE_DELAY_TOCK);
}
if button_touched.get() || keepalive_response.is_err() {