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Code Issues Releases Activity

allow tunnel endpoint to send tunnel build reply to itself

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orignal 2024-02-24 11:40:43 -05:00
parent 78af34237e
commit a1dce017f4
1 changed files with 9 additions and 6 deletions
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15
libi2pd/I2NPProtocol.cpp
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@ -378,7 +378,8 @@ namespace i2p
LogPrint (eLogWarning, "I2NP: Failed to decrypt tunnel build record");
return false;
}
if (!memcmp ((const uint8_t *)i2p::context.GetIdentHash (), clearText + ECIES_BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET, 32)) // if next ident is now ours
if (!memcmp ((const uint8_t *)i2p::context.GetIdentHash (), clearText + ECIES_BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET, 32) && // if next ident is now ours
!(clearText[ECIES_BUILD_REQUEST_RECORD_FLAG_OFFSET] & TUNNEL_BUILD_RECORD_ENDPOINT_FLAG)) // and not endpoint
{
LogPrint (eLogWarning, "I2NP: Next ident is ours in tunnel build record");
return false;
@ -571,11 +572,6 @@ namespace i2p
LogPrint (eLogWarning, "I2NP: Can't decrypt short request record ", i);
return;
}
if (!memcmp ((const uint8_t *)i2p::context.GetIdentHash (), clearText + SHORT_REQUEST_RECORD_NEXT_IDENT_OFFSET, 32)) // if next ident is now ours
{
LogPrint (eLogWarning, "I2NP: Next ident is ours in short request record");
return;
}
if (clearText[SHORT_REQUEST_RECORD_LAYER_ENCRYPTION_TYPE]) // not AES
{
LogPrint (eLogWarning, "I2NP: Unknown layer encryption type ", clearText[SHORT_REQUEST_RECORD_LAYER_ENCRYPTION_TYPE], " in short request record");
@ -595,7 +591,14 @@ namespace i2p
memcpy (ivKey, noiseState.m_CK + 32, 32);
}
else
{
if (!memcmp ((const uint8_t *)i2p::context.GetIdentHash (), clearText + SHORT_REQUEST_RECORD_NEXT_IDENT_OFFSET, 32)) // if next ident is now ours
{
LogPrint (eLogWarning, "I2NP: Next ident is ours in short request record");
return;
}
memcpy (ivKey, noiseState.m_CK , 32);
}
// check if we accept this tunnel
std::shared_ptr<i2p::tunnel::TransitTunnel> transitTunnel;