[Interest] Linux openssl 1.1.0 versus 1.0.X

maitai maitai at virtual-winds.org
Sun Sep 16 06:45:42 CEST 2018


Thanks all for your replies

Another idea:

Do you know if it is enough to change Qt5Network librarie, which I 
distribute together with the app?

And if yes any chance to find it built against ssl 1.1.0 without having 
to recompile the whole qt once more?

Philippe.

Le 15-09-2018 23:10, Giuseppe D'Angelo via Interest a écrit :
> Il 15/09/2018 12:51, maitai ha scritto:
>> Some of my users have started migrating to Ubuntu 18.04 and since it
>> comes with openssl 1.1.0 the app cannot connect anymore. As I 
>> understand
>> qt 5.11.1 prebuild binaries are built against openssl 1.0.X.
>> 
>> Is there a simple way to deploy my application with openssl 1.0.X
>> libraries so it will use that instead of the system library? I didn't
>> succeed so far so any hint is welcomed.
> 
> IIRC Ubuntu 18.04 provides OpenSSL 1.0 in a separate package (not
> installed by default). You can easily detect if you're running without
> SSL support (QSslSocket::supportsSsl()), and in that case, prompt the
> user to install the necessary packages.
> 
> (Cherry on top, if you do detect the software is running on Ubuntu,
> you could just launch the right package manager, maybe even already
> configured to try to install libssl1.0 ...)
> 
> My 2 c,
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