Is it possible to have "Best of both worlds" within Qt versions regarding modules?

[KroMignon]

@Yina said in Is it possible to have "Best of both worlds" within Qt versions regarding modules?:

qt.network.ssl: No functional TLS backend was found, qt.network.ssl: No TLS backend is available.

Just for testing purpose, could you add "C:\Qt\Tools\OpenSSL\Win_x64\bin" the PATH and the try to start your application?
Do this work?

[Yina]

@KroMignon said in Is it possible to have "Best of both worlds" within Qt versions regarding modules?:

hello

I did that but the thing is it always works in the qt creator but if I make an executable is won't work anymore, so I made an executable via windeployqt.exe with "C:\Qt\Tools\OpenSSL\Win_x64\bin" added through the path and it still does not work.And I still get the same errors.The application starts but I can't do an HTTPS request.

kind regards
Yina

[KroMignon]

@Yina said in Is it possible to have "Best of both worlds" within Qt versions regarding modules?:

hello
I did that but the thing is it always works in the qt creator but if I make an executable is won't work anymore, so I made an executable via windeployqt.exe with "C:\Qt\Tools\OpenSSL\Win_x64\bin" added through the path and it still does not work.And I still get the same errors.The application starts but I can't do an HTTPS request.
kind regards
Yina

Could you add some debug information to help to understand what's happening:

qDebug() << "SSL support:" << QSslSocket::supportSsl();
qDebug() << "SSL version required:" << QSslSocket::sslLibraryBuildVersionString();
qDebug() << "SSL version found:" << QSslSocket::sslLibraryVersionString();

[Yina]

@KroMignon said in Is it possible to have "Best of both worlds" within Qt versions regarding modules?:

Hello

//executable the thing I want that works
SSL support: false
SSL version required: ""
SSL version found: ""

//qtCreator so not the executable
SSL support: true
SSL version required: "OpenSSL 1.1.1k 25 Mar 2021"
SSL version found: "OpenSSL 1.1.1k 25 Mar 2021"

Kind regards
Yina

[KroMignon]

@Yina I think I've got it!

you also have to copy capi.dll and padlock.dll from the lib\engines-1_1 sub-directory!

[Yina]

@KroMignon

sadly that didn't seem to work, it still is the exact same result as before.
I tried adding in the dll's just in the folder of the executable and I also tried adding the enitre folder + the .lib files in the executable folder so these files:

this is the result when everything is added:

but the result didn't change.

kind regards
Yina

[KroMignon]

@Yina said in Is it possible to have "Best of both worlds" within Qt versions regarding modules?:

sadly that didn't seem to work, it still is the exact same result as before.
I tried adding in the dll's just in the folder of the executable and I also tried adding the enitre folder + the .lib files in the executable folder so these files:

lib files are not relevant, they are required for build dependencies.
Hmm, very strange, cannot figure out what's going wrong for you...
Sorry, maybe someone else got an idea?

[Yina]

@KroMignon
Thank you for your time :)

[artwaw]

@Yina It is very odd. I don't know what to advise here further...

Out of curiosity - would you be so kind as to try out to compile in release mode, then copy those libraries again? It will probably change nothing but so far I understand you've tested only in debug.

Also, once you have release version with libraries and all (even if it fails to run as required) could you please try dependency walker on that binary? There is a chance that binaries are indeed okay but something else, not explicitly required (Microsoft runtime libs? something like that? since you run MSVC...) is missing... It's a long shot but who knows?

[Jonas Kvinge]

In Qt 6.2, the TLS backend (openSSL support) is a separate plugin.
You need to copy over the plugin too. Your screenshot does not show it.
The file you need should be in C:\Qt\<Qt version>\<compiler>\plugins\tls\opensslbackend.dll

[Yina]

@Jonas-Kvinge

Thank you Jonas ! I've spent days on this issue and now its finally fixed :-D