diff options
Diffstat (limited to 'src/network/ssl/qsslsocket_schannel.cpp')
-rw-r--r-- | src/network/ssl/qsslsocket_schannel.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/network/ssl/qsslsocket_schannel.cpp b/src/network/ssl/qsslsocket_schannel.cpp index c5ba823832..88f66ac4ea 100644 --- a/src/network/ssl/qsslsocket_schannel.cpp +++ b/src/network/ssl/qsslsocket_schannel.cpp @@ -1360,6 +1360,18 @@ void QSslSocketBackendPrivate::transmit() #endif schannelState = SchannelState::Renegotiate; renegotiating = true; + + if (dataBuffer[3].BufferType == SECBUFFER_EXTRA) { + // https://docs.microsoft.com/en-us/windows/desktop/secauthn/extra-buffers-returned-by-schannel + // dataBuffer[3].cbBuffer indicates the amount of bytes _NOT_ processed, + // the rest need to be stored. +#ifdef QSSLSOCKET_DEBUG + qCDebug(lcSsl) << "We've got excess data, moving it to the intermediate buffer:" + << dataBuffer[3].cbBuffer << "bytes"; +#endif + intermediateBuffer = ciphertext.right(int(dataBuffer[3].cbBuffer)); + } + // We need to call 'continueHandshake' or else there's no guarantee it ever gets called continueHandshake(); break; |