PurpleI2P/i2pd
1
0
Fork 0
mirror of https://github.com/PurpleI2P/i2pd.git synced 2025-01-31 13:14:13 +00:00
Code Issues Releases Activity

allow tunnel endpoint to send tunnel build reply to itself

Browse Source
This commit is contained in:
orignal 2024-02-24 11:40:43 -05:00
parent 78af34237e
commit a1dce017f4
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
libi2pd/I2NPProtocol.cpp
View File

@ -378,7 +378,8 @@ namespace i2p
LogPrint (eLogWarning, "I2NP: Failed to decrypt tunnel build record"); LogPrint (eLogWarning, "I2NP: Failed to decrypt tunnel build record");
return false; 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"); LogPrint (eLogWarning, "I2NP: Next ident is ours in tunnel build record");
return false; return false;
@ -571,11 +572,6 @@ namespace i2p
LogPrint (eLogWarning, "I2NP: Can't decrypt short request record ", i); LogPrint (eLogWarning, "I2NP: Can't decrypt short request record ", i);
return; 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 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"); 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); memcpy (ivKey, noiseState.m_CK + 32, 32);
} }
else 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); memcpy (ivKey, noiseState.m_CK , 32);
}
// check if we accept this tunnel // check if we accept this tunnel
std::shared_ptr<i2p::tunnel::TransitTunnel> transitTunnel; std::shared_ptr<i2p::tunnel::TransitTunnel> transitTunnel;