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adjust MTU after remote endpoint is known

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orignal
2026-03-17 19:36:43 -04:00
parent 46919746ce
commit e5753ec44e
3 changed files with 6 additions and 5 deletions
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libi2pd/SSU2Session.cpp
+4 -4
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@@ -91,7 +91,7 @@ namespace transport
m_WindowSize (SSU2_MIN_WINDOW_SIZE),
m_RTO (SSU2_INITIAL_RTO), m_RelayTag (0),m_ConnectTimer (server.GetService ()),
m_TerminationReason (eSSU2TerminationReasonNormalClose),
m_MaxPayloadSize (SSU2_MIN_PACKET_SIZE - IPV6_HEADER_SIZE - UDP_HEADER_SIZE - 32), // min size
m_MaxPayloadSize (SSU2_MAX_PACKET_SIZE - IPV6_HEADER_SIZE - UDP_HEADER_SIZE - 32), // max size
m_LastResendTime (0), m_LastResendAttemptTime (0), m_NextRouterInfoResendTime(0),
m_NumRanges (0), m_Version (2)
{
@@ -105,8 +105,8 @@ namespace transport
if (in_RemoteRouter->IsSSU2PeerTesting (false)) m_RemotePeerTestTransports |= i2p::data::RouterInfo::eSSU2V6;
RAND_bytes ((uint8_t *)&m_DestConnID, 8);
RAND_bytes ((uint8_t *)&m_SourceConnID, 8);
AdjustMaxPayloadSize ();
}
AdjustMaxPayloadSize ();
}
SSU2Session::~SSU2Session ()
@@ -1582,6 +1582,8 @@ namespace transport
}
m_State = eSSU2SessionStateTokenReceived;
HandlePayload (payload, len - 48);
if (m_TerminationReason == eSSU2TerminationReasonIncompatibleVersion)
m_Version = 2; // fallback to non-PQ
if (!token)
{
// we should handle payload even for zero token to handle Datetime block and adjust clock in case of clock skew
@@ -1590,8 +1592,6 @@ namespace transport
}
if (!m_NoiseState) m_NoiseState.reset (new i2p::crypto::NoiseSymmetricState);
if (m_TerminationReason == eSSU2TerminationReasonIncompatibleVersion)
m_Version = 2; // fallback to non-PQ
#if OPENSSL_PQ
if (m_Version > 2)
InitNoiseXKStateMLKEM1 (*m_NoiseState, (i2p::data::CryptoKeyType)(m_Version + 2), m_Address->s);