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Merge pull request #2539 from pobregat0/tunnel-short-message

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Drop a tunnel message shorter than an I2NP header
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orignal
2026-08-30 21:40:16 -04:00
committed by GitHub
parent e3d3d7f946 4fdb8c7c83
commit b7d5d712e7
1 changed files with 6 additions and 0 deletions
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libi2pd/TunnelEndpoint.cpp
+6
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@@ -322,6 +322,12 @@ namespace tunnel
LogPrint (eLogInfo, "TunnelMessage: Message expired");
return;
}
if (msg.data->GetLength () < I2NP_HEADER_SIZE)
{
// GetPayloadLength subtracts the header size, a shorter message wraps it around
LogPrint (eLogError, "TunnelMessage: Message of ", msg.data->GetLength (), " bytes is shorter than I2NP header, dropped");
return;
}
uint8_t typeID = msg.data->GetTypeID ();
LogPrint (eLogDebug, "TunnelMessage: Handle fragment of ", msg.data->GetLength (), " bytes, msg type ", (int)typeID);