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check I2NP message buffer size

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orignal
2016-01-05 14:29:18 -05:00
parent a26c5f85c3
commit ff48422ec0
4 changed files with 29 additions and 25 deletions
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8
TunnelEndpoint.cpp
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@@ -152,8 +152,8 @@ namespace tunnel
*newMsg = *(msg.data);
msg.data = newMsg;
}
memcpy (msg.data->buf + msg.data->len, fragment, size); // concatenate fragment
msg.data->len += size;
if (msg.data->Concat (fragment, size) < size) // concatenate fragment
LogPrint (eLogError, "Tunnel endpoint I2NP buffer overflow ", msg.data->maxLen);
if (isLastFragment)
{
// message complete
@@ -208,8 +208,8 @@ namespace tunnel
*newMsg = *(msg.data);
msg.data = newMsg;
}
memcpy (msg.data->buf + msg.data->len, it->second.data->GetBuffer (), size); // concatenate out-of-sync fragment
msg.data->len += size;
if (msg.data->Concat (it->second.data->GetBuffer (), size) < size) // concatenate out-of-sync fragment
LogPrint (eLogError, "Tunnel endpoint I2NP buffer overflow ", msg.data->maxLen);
if (it->second.isLastFragment)
{
// message complete