Files
U2FDevice/Packet.hpp
2019-08-23 13:27:30 +01:00

62 lines
1.5 KiB
C++

/*
U2FDevice - A program to allow Raspberry Pi Zeros to act as U2F tokens
Copyright (C) 2018 Michael Kuc
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "u2f.hpp"
#include <array>
#include <cstdint>
#include <memory>
struct Packet {
public:
uint32_t cid;
uint8_t buf[HID_RPT_SIZE];
protected:
Packet() = default;
virtual void writePacket();
public:
static std::shared_ptr<Packet> getPacket();
virtual ~Packet() = default;
};
struct InitPacket : Packet {
public:
uint8_t cmd;
uint8_t bcnth;
uint8_t bcntl;
std::array<uint8_t, HID_RPT_SIZE - 7> data{};
public:
InitPacket() = default;
static std::shared_ptr<InitPacket> getPacket(const uint32_t rCID, const uint8_t rCMD);
void writePacket() override;
};
struct ContPacket : Packet {
public:
uint8_t seq;
std::array<uint8_t, HID_RPT_SIZE - 5> data{};
public:
ContPacket() = default;
static std::shared_ptr<ContPacket> getPacket(const uint32_t rCID, const uint8_t rSeq);
void writePacket() override;
};