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don't merge duppicated fragment of SessionConfirmed

pull/1791/head
orignal 2 years ago
parent
commit
030af11d86
  1. 4
      libi2pd/SSU2Session.cpp

4
libi2pd/SSU2Session.cpp

@ -872,6 +872,7 @@ namespace transport
memmove (m_SessionConfirmedFragment->payload + (len - 16), m_SessionConfirmedFragment->payload, m_SessionConfirmedFragment->payloadSize); memmove (m_SessionConfirmedFragment->payload + (len - 16), m_SessionConfirmedFragment->payload, m_SessionConfirmedFragment->payloadSize);
memcpy (m_SessionConfirmedFragment->payload, buf + 16, len - 16); memcpy (m_SessionConfirmedFragment->payload, buf + 16, len - 16);
m_SessionConfirmedFragment->payloadSize += (len - 16); m_SessionConfirmedFragment->payloadSize += (len - 16);
m_SessionConfirmedFragment->isSecondFragment = false;
buf = m_SessionConfirmedFragment->payload - 16; buf = m_SessionConfirmedFragment->payload - 16;
len = m_SessionConfirmedFragment->payloadSize + 16; len = m_SessionConfirmedFragment->payloadSize + 16;
} }
@ -891,8 +892,11 @@ namespace transport
return true; return true;
} }
header = m_SessionConfirmedFragment->header; header = m_SessionConfirmedFragment->header;
if (m_SessionConfirmedFragment->payloadSize + (len - 16) <= SSU2_MAX_PACKET_SIZE*2)
{
memcpy (m_SessionConfirmedFragment->payload + m_SessionConfirmedFragment->payloadSize, buf + 16, len - 16); memcpy (m_SessionConfirmedFragment->payload + m_SessionConfirmedFragment->payloadSize, buf + 16, len - 16);
m_SessionConfirmedFragment->payloadSize += (len - 16); m_SessionConfirmedFragment->payloadSize += (len - 16);
}
buf = m_SessionConfirmedFragment->payload - 16; buf = m_SessionConfirmedFragment->payload - 16;
len = m_SessionConfirmedFragment->payloadSize + 16; len = m_SessionConfirmedFragment->payloadSize + 16;
} }

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