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Try harder to locate external OpenSSL libraries on win32

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When OpenSSL is built using MSVC then the library names are
named ssleay32.dll and libeay32. However, when OpenSSL is built
with GCC then different library names are used like libssl-10.dll
and libcrypto-10.dll (depending on the version of OpenSSL used)

Change-Id: Icb79a5f82d2a511752bfc904f53a58423ce4b86b
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Peter Hartmann <phartmann@rim.com>
Reviewed-by: Richard J. Moore <rich@kde.org>
This commit is contained in:
Erik van Pienbroek 2013-02-06 22:08:40 +01:00 committed by The Qt Project
parent 916f0ff663
commit 3798b129c0
1 changed files with 32 additions and 14 deletions
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46
src/network/ssl/qsslsocket_openssl_symbols.cpp
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@ -447,28 +447,46 @@ static QStringList findAllLibCrypto()
# endif
#ifdef Q_OS_WIN
static bool tryToLoadOpenSslWin32Library(QLatin1String ssleay32LibName, QLatin1String libeay32LibName, QPair<QSystemLibrary*, QSystemLibrary*> &pair)
{
pair.first = 0;
pair.second = 0;
QSystemLibrary *ssleay32 = new QSystemLibrary(ssleay32LibName);
if (!ssleay32->load(false)) {
delete ssleay32;
return FALSE;
}
QSystemLibrary *libeay32 = new QSystemLibrary(libeay32LibName);
if (!libeay32->load(false)) {
delete ssleay32;
delete libeay32;
return FALSE;
}
pair.first = ssleay32;
pair.second = libeay32;
return TRUE;
}
static QPair<QSystemLibrary*, QSystemLibrary*> loadOpenSslWin32()
{
QPair<QSystemLibrary*,QSystemLibrary*> pair;
pair.first = 0;
pair.second = 0;
QSystemLibrary *ssleay32 = new QSystemLibrary(QLatin1String("ssleay32"));
if (!ssleay32->load(false)) {
// Cannot find ssleay32.dll
delete ssleay32;
return pair;
// When OpenSSL is built using MSVC then the libraries are named 'ssleay32.dll' and 'libeay32'dll'.
// When OpenSSL is built using GCC then different library names are used (depending on the OpenSSL version)
// The oldest version of a GCC-based OpenSSL which can be detected by the code below is 0.9.8g (released in 2007)
if (!tryToLoadOpenSslWin32Library(QLatin1String("ssleay32"), QLatin1String("libeay32"), pair)) {
if (!tryToLoadOpenSslWin32Library(QLatin1String("libssl-10"), QLatin1String("libcrypto-10"), pair)) {
if (!tryToLoadOpenSslWin32Library(QLatin1String("libssl-8"), QLatin1String("libcrypto-8"), pair)) {
tryToLoadOpenSslWin32Library(QLatin1String("libssl-7"), QLatin1String("libcrypto-7"), pair);
}
}
}
QSystemLibrary *libeay32 = new QSystemLibrary(QLatin1String("libeay32"));
if (!libeay32->load(false)) {
delete ssleay32;
delete libeay32;
return pair;
}
pair.first = ssleay32;
pair.second = libeay32;
return pair;
}
#else