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86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
#ifndef TRANSIT_TUNNEL_H__
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#define TRANSIT_TUNNEL_H__
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#include <inttypes.h>
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#include <cryptopp/modes.h>
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#include <cryptopp/aes.h>
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#include "I2NPProtocol.h"
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#include "TunnelEndpoint.h"
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#include "TunnelGateway.h"
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#include "TunnelBase.h"
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namespace i2p
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{
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namespace tunnel
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{
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class TransitTunnel: public TunnelBase // tunnel patricipant
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{
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public:
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TransitTunnel (uint32_t receiveTunnelID,
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const uint8_t * nextIdent, uint32_t nextTunnelID,
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const uint8_t * layerKey,const uint8_t * ivKey);
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virtual void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg);
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virtual void SendTunnelDataMsg (const uint8_t * gwHash, uint32_t gwTunnel, i2p::I2NPMessage * msg);
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uint32_t GetTunnelID () const { return m_TunnelID; };
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// implements TunnelBase
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void EncryptTunnelMsg (I2NPMessage * tunnelMsg);
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uint32_t GetNextTunnelID () const { return m_NextTunnelID; };
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const i2p::data::IdentHash& GetNextIdentHash () const { return m_NextIdent; };
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private:
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uint32_t m_TunnelID, m_NextTunnelID;
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i2p::data::IdentHash m_NextIdent;
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uint8_t m_LayerKey[32];
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uint8_t m_IVKey[32];
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CryptoPP::ECB_Mode<CryptoPP::AES>::Encryption m_ECBEncryption;
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CryptoPP::CBC_Mode<CryptoPP::AES>::Encryption m_CBCEncryption;
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};
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class TransitTunnelGateway: public TransitTunnel
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{
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public:
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TransitTunnelGateway (uint32_t receiveTunnelID,
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const uint8_t * nextIdent, uint32_t nextTunnelID,
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const uint8_t * layerKey,const uint8_t * ivKey):
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TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID,
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layerKey, ivKey), m_Gateway(this) {};
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void SendTunnelDataMsg (const uint8_t * gwHash, uint32_t gwTunnel, i2p::I2NPMessage * msg);
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private:
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TunnelGateway m_Gateway;
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};
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class TransitTunnelEndpoint: public TransitTunnel
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{
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public:
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TransitTunnelEndpoint (uint32_t receiveTunnelID,
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const uint8_t * nextIdent, uint32_t nextTunnelID,
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const uint8_t * layerKey,const uint8_t * ivKey):
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TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID, layerKey, ivKey) {};
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void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg);
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private:
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TunnelEndpoint m_Endpoint;
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};
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TransitTunnel * CreateTransitTunnel (uint32_t receiveTunnelID,
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const uint8_t * nextIdent, uint32_t nextTunnelID,
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const uint8_t * layerKey,const uint8_t * ivKey,
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bool isGateway, bool isEndpoint);
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}
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}
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#endif
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