diff options
Diffstat (limited to 'src/plugins/tls')
| -rw-r--r-- | src/plugins/tls/schannel/qtls_schannel.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/plugins/tls/schannel/qtls_schannel.cpp b/src/plugins/tls/schannel/qtls_schannel.cpp index 728e885029..98856288d4 100644 --- a/src/plugins/tls/schannel/qtls_schannel.cpp +++ b/src/plugins/tls/schannel/qtls_schannel.cpp @@ -1023,6 +1023,8 @@ bool TlsCryptographSchannel::sendToken(void *token, unsigned long tokenLength, b Q_ASSERT(d); auto *plainSocket = d->plainTcpSocket(); Q_ASSERT(plainSocket); + if (plainSocket->state() == QAbstractSocket::UnconnectedState || !plainSocket->isValid()) + return false; const qint64 written = plainSocket->write(static_cast<const char *>(token), tokenLength); if (written != qint64(tokenLength)) { @@ -1385,7 +1387,7 @@ bool TlsCryptographSchannel::performHandshake() auto *plainSocket = d->plainTcpSocket(); Q_ASSERT(plainSocket); - if (plainSocket->state() == QAbstractSocket::UnconnectedState) { + if (plainSocket->state() == QAbstractSocket::UnconnectedState || !plainSocket->isValid()) { setErrorAndEmit(d, QAbstractSocket::RemoteHostClosedError, QSslSocket::tr("The TLS/SSL connection has been closed")); return false; @@ -1761,7 +1763,7 @@ void TlsCryptographSchannel::transmit() return; // This function should not have been called // Can happen if called through QSslSocket::abort->QSslSocket::close->QSslSocket::flush->here - if (plainSocket->state() == QAbstractSocket::SocketState::UnconnectedState) + if (plainSocket->state() == QAbstractSocket::UnconnectedState || !plainSocket->isValid()) return; if (schannelState != SchannelState::Done) { |