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Add information about unsupported SSL protocol when creating context.

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When creating SSL context failed due to unsupported protocol being
demanded, no explanation was given. It's because
QSslContext::fromConfiguration() extracted explanation for error message
from OpenSSL, which at that point hasn't even been called yet. This
patch adds explicit message informing that an unsupported protocol was
chosen.

Task-number: QTBUG-41775
Change-Id: I9d2710da4ba314a16837a90afcdc5d9256179bef
Reviewed-by: Peter Hartmann <phartmann@blackberry.com>
This commit is contained in:
Mikołaj Siedlarek 2014-10-04 11:44:18 +02:00
parent 9ddf2fb376
commit 8fc34e42a8
1 changed files with 13 additions and 4 deletions
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17
src/network/ssl/qsslcontext_openssl.cpp
View File

@ -124,13 +124,16 @@ QSslContext* QSslContext::fromConfiguration(QSslSocket::SslMode mode, const QSsl
bool client = (mode == QSslSocket::SslClientMode);
bool reinitialized = false;
bool unsupportedProtocol = false;
init_context:
switch (sslContext->sslConfiguration.protocol()) {
case QSsl::SslV2:
#ifndef OPENSSL_NO_SSL2
sslContext->ctx = q_SSL_CTX_new(client ? q_SSLv2_client_method() : q_SSLv2_server_method());
#else
sslContext->ctx = 0; // SSL 2 not supported by the system, but chosen deliberately -> error
// SSL 2 not supported by the system, but chosen deliberately -> error
sslContext->ctx = 0;
unsupportedProtocol = true;
#endif
break;
case QSsl::SslV3:
@ -149,14 +152,18 @@ init_context:
#if OPENSSL_VERSION_NUMBER >= 0x10001000L
sslContext->ctx = q_SSL_CTX_new(client ? q_TLSv1_1_client_method() : q_TLSv1_1_server_method());
#else
sslContext->ctx = 0; // TLS 1.1 not supported by the system, but chosen deliberately -> error
// TLS 1.1 not supported by the system, but chosen deliberately -> error
sslContext->ctx = 0;
unsupportedProtocol = true;
#endif
break;
case QSsl::TlsV1_2:
#if OPENSSL_VERSION_NUMBER >= 0x10001000L
sslContext->ctx = q_SSL_CTX_new(client ? q_TLSv1_2_client_method() : q_TLSv1_2_server_method());
#else
sslContext->ctx = 0; // TLS 1.2 not supported by the system, but chosen deliberately -> error
// TLS 1.2 not supported by the system, but chosen deliberately -> error
sslContext->ctx = 0;
unsupportedProtocol = true;
#endif
break;
}
@ -169,7 +176,9 @@ init_context:
goto init_context;
}
sslContext->errorStr = QSslSocket::tr("Error creating SSL context (%1)").arg(QSslSocketBackendPrivate::getErrorsFromOpenSsl());
sslContext->errorStr = QSslSocket::tr("Error creating SSL context (%1)").arg(
unsupportedProtocol ? QSslSocket::tr("unsupported protocol") : QSslSocketBackendPrivate::getErrorsFromOpenSsl()
);
sslContext->errorCode = QSslError::UnspecifiedError;
return sslContext;
}