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98 lines
2.4 KiB
C++
98 lines
2.4 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/Identity.hpp>
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#include <llarp/service/Info.hpp>
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#include <llarp/service/Intro.hpp>
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#include <llarp/service/handler.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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typedef uint64_t ProtocolType;
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constexpr ProtocolType eProtocolText = 0UL;
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constexpr ProtocolType eProtocolTraffic = 1UL;
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/// inner message
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struct ProtocolMessage : public IBEncodeMessage
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{
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ProtocolMessage(const ConvoTag& tag);
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ProtocolMessage();
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~ProtocolMessage();
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ProtocolType proto = eProtocolTraffic;
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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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IDataHandler* handler = nullptr;
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ConvoTag tag;
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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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static void
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ProcessAsync(void* user);
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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::PQCipherBlock C;
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llarp::Encrypted D;
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llarp::KeyExchangeNonce N;
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llarp::Signature Z;
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llarp::service::ConvoTag T;
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ProtocolFrame();
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~ProtocolFrame();
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ProtocolFrame&
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operator=(const ProtocolFrame& other);
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bool
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EncryptAndSign(llarp_crypto* c, const ProtocolMessage& msg,
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const byte_t* sharedkey, const Identity& localIdent);
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bool
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AsyncDecryptAndVerify(llarp_logic* logic, llarp_crypto* c,
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llarp_threadpool* worker,
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const Identity& localIdent,
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IDataHandler* handler) const;
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bool
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DecryptPayloadInto(llarp_crypto* c, const 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, const ServiceInfo& from) const;
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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
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