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@ -1,5 +1,5 @@ |
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/*
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/*
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* Copyright (c) 2013-2020, The PurpleI2P Project |
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* Copyright (c) 2013-2021, The PurpleI2P Project |
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* |
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* |
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* This file is part of Purple i2pd project and licensed under BSD3 |
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* This file is part of Purple i2pd project and licensed under BSD3 |
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* |
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* |
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@ -31,14 +31,14 @@ namespace tunnel |
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TunnelHopConfig * next, * prev; |
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TunnelHopConfig * next, * prev; |
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int recordIndex; // record # in tunnel build message
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int recordIndex; // record # in tunnel build message
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TunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r); |
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TunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r); |
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virtual ~TunnelHopConfig () {}; |
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virtual ~TunnelHopConfig () {}; |
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void SetNextIdent (const i2p::data::IdentHash& ident); |
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void SetNextIdent (const i2p::data::IdentHash& ident); |
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void SetReplyHop (uint32_t replyTunnelID, const i2p::data::IdentHash& replyIdent); |
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void SetReplyHop (uint32_t replyTunnelID, const i2p::data::IdentHash& replyIdent); |
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void SetNext (TunnelHopConfig * n); |
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void SetNext (TunnelHopConfig * n); |
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void SetPrev (TunnelHopConfig * p); |
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void SetPrev (TunnelHopConfig * p); |
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virtual uint8_t GetRetCode (const uint8_t * records) const = 0; |
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virtual uint8_t GetRetCode (const uint8_t * records) const = 0; |
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virtual void CreateBuildRequestRecord (uint8_t * records, uint32_t replyMsgID) = 0; |
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virtual void CreateBuildRequestRecord (uint8_t * records, uint32_t replyMsgID) = 0; |
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@ -51,47 +51,47 @@ namespace tunnel |
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{ |
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{ |
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ElGamalTunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r): |
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ElGamalTunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r): |
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TunnelHopConfig (r) {}; |
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TunnelHopConfig (r) {}; |
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uint8_t GetRetCode (const uint8_t * records) const |
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uint8_t GetRetCode (const uint8_t * records) const |
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{ return (records + recordIndex*TUNNEL_BUILD_RECORD_SIZE)[BUILD_RESPONSE_RECORD_RET_OFFSET]; }; |
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{ return (records + recordIndex*TUNNEL_BUILD_RECORD_SIZE)[BUILD_RESPONSE_RECORD_RET_OFFSET]; }; |
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void CreateBuildRequestRecord (uint8_t * records, uint32_t replyMsgID); |
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void CreateBuildRequestRecord (uint8_t * records, uint32_t replyMsgID); |
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bool DecryptBuildResponseRecord (uint8_t * records) const; |
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bool DecryptBuildResponseRecord (uint8_t * records) const; |
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}; |
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}; |
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struct ECIESTunnelHopConfig: public TunnelHopConfig, public i2p::crypto::NoiseSymmetricState |
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struct ECIESTunnelHopConfig: public TunnelHopConfig, public i2p::crypto::NoiseSymmetricState |
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{ |
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{ |
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ECIESTunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r): |
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ECIESTunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r): |
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TunnelHopConfig (r) {}; |
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TunnelHopConfig (r) {}; |
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void EncryptECIES (const uint8_t * clearText, size_t len, uint8_t * encrypted); |
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void EncryptECIES (const uint8_t * clearText, size_t len, uint8_t * encrypted); |
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bool DecryptECIES (const uint8_t * key, const uint8_t * nonce, const uint8_t * encrypted, size_t len, uint8_t * clearText) const; |
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bool DecryptECIES (const uint8_t * key, const uint8_t * nonce, const uint8_t * encrypted, size_t len, uint8_t * clearText) const; |
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}; |
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}; |
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struct LongECIESTunnelHopConfig: public ECIESTunnelHopConfig |
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struct LongECIESTunnelHopConfig: public ECIESTunnelHopConfig |
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{ |
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{ |
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LongECIESTunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r): |
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LongECIESTunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r): |
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ECIESTunnelHopConfig (r) {}; |
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ECIESTunnelHopConfig (r) {}; |
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uint8_t GetRetCode (const uint8_t * records) const |
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uint8_t GetRetCode (const uint8_t * records) const override |
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{ return (records + recordIndex*TUNNEL_BUILD_RECORD_SIZE)[ECIES_BUILD_RESPONSE_RECORD_RET_OFFSET]; }; |
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{ return (records + recordIndex*TUNNEL_BUILD_RECORD_SIZE)[ECIES_BUILD_RESPONSE_RECORD_RET_OFFSET]; }; |
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void CreateBuildRequestRecord (uint8_t * records, uint32_t replyMsgID); |
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void CreateBuildRequestRecord (uint8_t * records, uint32_t replyMsgID) override; |
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bool DecryptBuildResponseRecord (uint8_t * records) const; |
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bool DecryptBuildResponseRecord (uint8_t * records) const override; |
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}; |
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}; |
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struct ShortECIESTunnelHopConfig: public ECIESTunnelHopConfig |
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struct ShortECIESTunnelHopConfig: public ECIESTunnelHopConfig |
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{ |
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{ |
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ShortECIESTunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r): |
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ShortECIESTunnelHopConfig (std::shared_ptr<const i2p::data::IdentityEx> r): |
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ECIESTunnelHopConfig (r) {}; |
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ECIESTunnelHopConfig (r) {}; |
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uint8_t GetRetCode (const uint8_t * records) const |
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uint8_t GetRetCode (const uint8_t * records) const override |
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{ return (records + recordIndex*SHORT_TUNNEL_BUILD_RECORD_SIZE)[SHORT_RESPONSE_RECORD_RET_OFFSET]; }; |
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{ return (records + recordIndex*SHORT_TUNNEL_BUILD_RECORD_SIZE)[SHORT_RESPONSE_RECORD_RET_OFFSET]; }; |
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void CreateBuildRequestRecord (uint8_t * records, uint32_t replyMsgID); |
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void CreateBuildRequestRecord (uint8_t * records, uint32_t replyMsgID) override; |
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bool DecryptBuildResponseRecord (uint8_t * records) const; |
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bool DecryptBuildResponseRecord (uint8_t * records) const override; |
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void DecryptRecord (uint8_t * records, int index) const override; // Chacha20
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void DecryptRecord (uint8_t * records, int index) const override; // Chacha20
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uint64_t GetGarlicKey (uint8_t * key) const override; |
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uint64_t GetGarlicKey (uint8_t * key) const override; |
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}; |
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}; |
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class TunnelConfig |
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class TunnelConfig |
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{ |
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{ |
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public: |
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public: |
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TunnelConfig (const std::vector<std::shared_ptr<const i2p::data::IdentityEx> >& peers, |
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TunnelConfig (const std::vector<std::shared_ptr<const i2p::data::IdentityEx> >& peers, |
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bool isShort = false): // inbound
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bool isShort = false): // inbound
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m_IsShort (isShort) |
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m_IsShort (isShort) |
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{ |
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{ |
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@ -121,7 +121,7 @@ namespace tunnel |
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} |
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} |
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bool IsShort () const { return m_IsShort; } |
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bool IsShort () const { return m_IsShort; } |
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TunnelHopConfig * GetFirstHop () const |
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TunnelHopConfig * GetFirstHop () const |
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{ |
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{ |
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return m_FirstHop; |
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return m_FirstHop; |
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@ -203,12 +203,12 @@ namespace tunnel |
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if (m_IsShort) |
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if (m_IsShort) |
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hop = new ShortECIESTunnelHopConfig (it); |
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hop = new ShortECIESTunnelHopConfig (it); |
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else |
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else |
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{ |
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{ |
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if (it->GetCryptoKeyType () == i2p::data::CRYPTO_KEY_TYPE_ECIES_X25519_AEAD) |
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if (it->GetCryptoKeyType () == i2p::data::CRYPTO_KEY_TYPE_ECIES_X25519_AEAD) |
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hop = new LongECIESTunnelHopConfig (it); |
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hop = new LongECIESTunnelHopConfig (it); |
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else |
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else |
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hop = new ElGamalTunnelHopConfig (it); |
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hop = new ElGamalTunnelHopConfig (it); |
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} |
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} |
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if (prev) |
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if (prev) |
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prev->SetNext (hop); |
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prev->SetNext (hop); |
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else |
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else |
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