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Qt, gsoap, and SSL

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  • K Offline
    K Offline
    Kalafina
    wrote on last edited by
    #1

    I've got a problem that I can't find a solution to no matter what I try.

    What I want to get working:

    • Qt to use gsoap to connect to a web service that uses https

    Summary of what I've done so far:

    • Followed "this guide":http://developer.qt.nokia.com/wiki/How_to_use_gSOAP_with_Qt_for_Web_Service_Client and got the basic gsoap examples to work on Qt
    • Installed OpenSSL
    • Created a simple program in VS2010 C#, added the same web service, and successfully connects
    • Used wireshark to capture packets sent by both my Qt and C# app

    From what I captured in wireshark, both apps are communicating with the right server. However, the C# app clearly uses https and get authenticated, while the Qt one uses http and gets rejected. I don't think the problem lies in the gsoap generated files (the soapC.cpp should allow ssl).

    I only installed OpenSSL and haven't done anything with it beyond adding its bin to PATH. How do I get Qt to use SSL?? The posts I found relating to Qt and SSL say to configure Qt and nmake it. Can't I just include some libraries in the compile options? I want to avoid configuring as I installed from the QtSDK binary and have no configure.exe.

    If in the worst case I do have to configure it, what configuration options do I use? The posts I read all recommended different options. And do I need to do anything else after?? All this loosely related information is driving me nuts

    edit: Its definitely due to OpenSSL somehow not being enabled for Qt. I stepped through the stdsoap2 code and it skips over all the OpenSSL parts as they are encased within #ifdef WITH_OPENSSL #endif which is disabled. The question is now, how do I enable it???

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    • A Offline
      A Offline
      ash_microsec
      wrote on last edited by
      #2

      I'm about to embark on a Qt gSoap project myself, so I'll be watching this thread. My thought as I read your post was; do you need to build the Qt library with "-openssl" or "-openssl-linked"?

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      • Y Offline
        Y Offline
        yogesh
        wrote on last edited by
        #3

        You need to have Qt configured using openssl option.
        @./configure -openssl-linked OPENSSL_LIBS='-L/opt/ssl/lib -lssl -lcrypto'@

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