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Merge pull request #6402 from Icinga/fix/tls-stream-read-pending

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Use SSL_pending() for remaining TLS stream data
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Michael Friedrich 2018-06-21 16:43:03 +02:00 committed by GitHub
commit 1b2af3f0c4
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1 changed files with 20 additions and 1 deletions
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21
lib/base/tlsstream.cpp
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@ -186,7 +186,26 @@ void TlsStream::OnEvent(int revents)
readTotal += rc; readTotal += rc;
} }
} while (rc > 0 && readTotal < 64 * 1024);
#ifdef I2_DEBUG /* I2_DEBUG */
Log(LogDebug, "TlsStream")
<< "Read bytes: " << rc << " Total read bytes: " << readTotal;
#endif /* I2_DEBUG */
/* Limit read size. We cannot do this check inside the while loop
* since below should solely check whether OpenSSL has more data
* or not. */
if (readTotal >= 64 * 1024) {
#ifdef I2_DEBUG /* I2_DEBUG */
Log(LogWarning, "TlsStream")
<< "Maximum read bytes exceeded: " << readTotal;
#endif /* I2_DEBUG */
break;
}
/* Use OpenSSL's state machine here to determine whether we need
* to read more data. SSL_has_pending() is available with 1.1.0.
*/
} while (SSL_pending(m_SSL.get()));
if (success) if (success)
m_CV.notify_all(); m_CV.notify_all();