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78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
#ifndef LLARP_SERVICE_PROTOCOL_HPP
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#define LLARP_SERVICE_PROTOCOL_HPP
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#include <llarp/time.h>
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#include <llarp/bencode.hpp>
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#include <llarp/crypto.hpp>
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#include <llarp/encrypted.hpp>
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#include <llarp/routing/message.hpp>
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#include <llarp/service/Info.hpp>
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#include <llarp/service/Intro.hpp>
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#include <vector>
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namespace llarp
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{
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namespace service
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{
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constexpr std::size_t MAX_PROTOCOL_MESSAGE_SIZE = 2048;
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enum ProtocolType
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{
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eProtocolText = 0,
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eProtocolTraffic = 1
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};
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/// inner message
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struct ProtocolMessage : public llarp::IBEncodeMessage
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{
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ProtocolMessage();
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~ProtocolMessage();
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ProtocolType proto;
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llarp_time_t queued = 0;
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std::vector< byte_t > payload;
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Introduction introReply;
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ServiceInfo sender;
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bool
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DecodeKey(llarp_buffer_t key, llarp_buffer_t* val);
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bool
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BEncode(llarp_buffer_t* buf) const;
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void
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PutBuffer(llarp_buffer_t payload);
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};
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/// outer message
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struct ProtocolFrame : public llarp::routing::IMessage
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{
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llarp::Encrypted D;
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uint64_t S = 0;
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llarp::PubKey H;
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llarp::KeyExchangeNonce N;
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llarp::Signature Z;
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~ProtocolFrame();
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bool
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EncryptAndSign(llarp_crypto* c, const ProtocolMessage* msg,
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byte_t* sharedkey, byte_t* signingkey);
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bool
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DecryptPayloadInto(llarp_crypto* c, byte_t* sharedkey,
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ProtocolMessage* into) const;
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bool
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DecodeKey(llarp_buffer_t key, llarp_buffer_t* val);
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bool
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BEncode(llarp_buffer_t* buf) const;
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bool
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Verify(llarp_crypto* c, byte_t* signingkey);
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bool
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HandleMessage(llarp::routing::IMessageHandler* h, llarp_router* r) const;
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};
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} // namespace service
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} // namespace llarp
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#endif |