Fix online installation into directory with elevated permissions.

Inside the Resource class we can't use QFile, as that will access
the elevated running server to read from a only client side mapped
file. Adjust Resource::readData to behave properly with the file
engine's nativeRead(...) implementation, e.g. on Unix it returns
-1 if called to read with a size of 0 bytes.
Do not write to the socket if we are running in a different thread
than the one the socket was created in. Fix logically broken connect
function.

Task-number: QTIFW-572
Change-Id: I993b5d3a5c217b0aedbbc27837dce2619e51d224
Reviewed-by: Niels Weber <niels.weber@theqtcompany.com>
Reviewed-by: Takayuki ORITO <iori.ayane@gmail.com>
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libs/installer/binaryformat.h b/src/libs/installer/binaryformat.h
index 85bc96d8c..551c701ce 100644
--- a/src/libs/installer/binaryformat.h
+++ b/src/libs/installer/binaryformat.h
@@ -39,7 +39,7 @@
 #include "range.h"
 
 #include <QCoreApplication>
-#include <QFile>
+#include <QtCore/private/qfsfileengine_p.h>
 #include <QList>
 #include <QSharedPointer>
 
@@ -87,7 +87,7 @@ private:
     void setOpenMode(OpenMode mode) { QIODevice::setOpenMode(mode); }
 
 private:
-    QFile m_file;
+    QFSFileEngine m_file;
     QByteArray m_name;
     Range<qint64> m_segment;
 };