47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*
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U2FDevice - A program to allow Raspberry Pi Zeros to act as U2F tokens
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Copyright (C) 2018 Michael Kuc
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "U2FMessage.hpp"
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#include <cstdint>
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#include <memory>
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enum class ChannelInitState { Unitialised, Initialised };
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enum class ChannelLockedState { Locked, Unlocked };
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enum class AuthorisationLevel { Unspecified, Unauthorised, Authorised };
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class Channel {
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protected:
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uint32_t cid;
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ChannelInitState initState;
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ChannelLockedState lockedState;
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public:
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Channel(const uint32_t channelID);
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// Returns false if requires authorisation check
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// True otherwise
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bool handle(const U2FMessage& uMsg, AuthorisationLevel auth);
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uint32_t getCID() const;
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void init(const ChannelInitState newInitState);
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void lock(const ChannelLockedState newLockedState);
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};
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