michaelkuc6/U2FDevice
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Added resumable loading, along with signal handling.

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This version can store state after receiving SIGINT.
This is achieved by polling FIFO read state;
This commit is contained in:
Michael Kuc
2018-08-09 20:23:23 +00:00
parent 673577a601
commit 48840ad36c
29 changed files with 598 additions and 233 deletions
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35
U2F_Init_CMD.cpp
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@@ -1,24 +1,33 @@
#include "U2F_Init_CMD.hpp"
#include <stdexcept>
#include "U2FMessage.hpp"
#include "u2f.hpp"
#include <iostream>
#include "Field.hpp"
using namespace std;
U2F_Init_CMD U2F_Init_CMD::get()
U2F_Init_CMD::U2F_Init_CMD(const shared_ptr<U2FMessage> uMsg)
{
const auto message = U2FMessage::read();
if (message.cmd != U2FHID_INIT)
if (uMsg->cmd != U2FHID_INIT)
throw runtime_error{ "Failed to get U2F Init message" };
else if (message.data.size() != INIT_NONCE_SIZE)
else if (uMsg->data.size() != INIT_NONCE_SIZE)
throw runtime_error{ "Init nonce is incorrect size" };
U2F_Init_CMD cmd;
cmd.nonce = *reinterpret_cast<const uint64_t*>(message.data.data());
clog << "Fully read nonce" << endl;
return cmd;
this->nonce = *reinterpret_cast<const uint64_t*>(uMsg->data.data());
}
void U2F_Init_CMD::respond(const uint32_t channelID) const
{
U2FMessage msg{};
msg.cid = CID_BROADCAST;
msg.cmd = U2FHID_INIT;
msg.data.insert(msg.data.end(), FIELD(this->nonce));
msg.data.insert(msg.data.end(), FIELD(channelID));
msg.data.push_back(2); //Protocol version
msg.data.push_back(1); //Major device version
msg.data.push_back(0); //Minor device version
msg.data.push_back(1); //Build device version
msg.data.push_back(CAPFLAG_WINK); //Wink capability
msg.write();
}