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send termiation with reason

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orignal 2022-07-09 17:05:23 -04:00
parent bb6227281a
commit 3ff3417ff2
4 changed files with 48 additions and 12 deletions
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31
libi2pd/SSU2Session.h
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@ -31,6 +31,7 @@ namespace transport
const int SSU2_TOKEN_EXPIRATION_THRESHOLD = 2; // in seconds
const int SSU2_RELAY_NONCE_EXPIRATION_TIMEOUT = 10; // in seconds
const int SSU2_PEER_TEST_EXPIRATION_TIMEOUT = 60; // 60 seconds
const size_t SSU2_MAX_PACKET_SIZE = 1500;
const size_t SSU2_MTU = 1440; // TODO: should be 1456 for ipv4
const size_t SSU2_MAX_PAYLOAD_SIZE = SSU2_MTU - 32;
const int SSU2_HANDSHAKE_RESEND_INTERVAL = 1; // in seconds
@ -119,6 +120,32 @@ namespace transport
eSSU2RelayResponseCodeCharlieSignatureFailure = 67,
eSSU2RelayResponseCodeCharlieAliceIsUnknown = 70
};
enum SSU2TerminationReason
{
eSSU2TerminationReasonNormalClose = 0,
eSSU2TerminationReasonTerminationReceived = 1,
eSSU2TerminationReasonIdleTimeout = 2,
eSSU2TerminationReasonRouterShutdown = 3,
eSSU2TerminationReasonDataPhaseAEADFailure= 4,
eSSU2TerminationReasonIncompatibleOptions = 5,
eSSU2TerminationReasonTncompatibleSignatureType = 6,
eSSU2TerminationReasonClockSkew = 7,
eSSU2TerminationPaddingViolation = 8,
eSSU2TerminationReasonAEADFramingError = 9,
eSSU2TerminationReasonPayloadFormatError = 10,
eSSU2TerminationReasonSessionRequestError = 11,
eSSU2TerminationReasonSessionCreatedError = 12,
eSSU2TerminationReasonSessionConfirmedError = 13,
eSSU2TerminationReasonTimeout = 14,
eSSU2TerminationReasonRouterInfoSignatureVerificationFail = 15,
eSSU2TerminationReasonInvalidS = 16,
eSSU2TerminationReasonBanned = 17,
eSSU2TerminationReasonBadToken = 18,
eSSU2TerminationReasonConnectionLimits = 19,
eSSU2TerminationReasonIncompatibleVersion = 20,
eSSU2TerminationReasonWrongNetID = 21
};
struct SSU2IncompleteMessage
{
@ -189,7 +216,7 @@ namespace transport
void WaitForIntroduction ();
void SendPeerTest (); // Alice, Data message
void Terminate ();
void RequestTermination ();
void RequestTermination (SSU2TerminationReason reason);
void CleanUp (uint64_t ts);
void FlushData ();
void Done () override;
@ -264,6 +291,7 @@ namespace transport
size_t CreateRelayResponseBlock (uint8_t * buf, size_t len, SSU2RelayResponseCode code, uint32_t nonce, bool endpoint, uint64_t token); // add endpoint for Chralie and no endpoint for Bob
size_t CreatePeerTestBlock (uint8_t * buf, size_t len, uint8_t msg, SSU2PeerTestCode code, const uint8_t * routerHash, const uint8_t * signedData, size_t signedDataLen);
size_t CreatePeerTestBlock (uint8_t * buf, size_t len, uint32_t nonce); // Alice
size_t CreateTerminationBlock (uint8_t * buf, size_t len);
private:
@ -291,6 +319,7 @@ namespace transport
uint32_t m_RelayTag; // between Bob and Charlie
OnEstablished m_OnEstablished; // callback from Established
boost::asio::deadline_timer m_ConnectTimer;
SSU2TerminationReason m_TerminationReason;
};
inline uint64_t CreateHeaderMask (const uint8_t * kh, const uint8_t * nonce)