[jira] [Created] (PROTON-2643) SSL connection hanging

["Fredrik Hallenberg (Jira)" <ji...@apache.org>]

Fredrik Hallenberg created PROTON-2643:
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             Summary: SSL connection hanging
                 Key: PROTON-2643
                 URL: https://issues.apache.org/jira/browse/PROTON-2643
             Project: Qpid Proton
          Issue Type: Bug
    Affects Versions: proton-c-0.37.0
         Environment: Qpid-proton 0.37 with epoll proactor and openssl 1.0.2k running on centos7
            Reporter: Fredrik Hallenberg
         Attachments: ssl-issue-3.zip

With a CA bundle of a certain size the SSL/TLS connection process hangs. This is 100% repeatable. The process stops before reaching verification callback, it seems there is an issue with reading from the BIO sockets. I can only repeat it with certain CA bundles, it seems they have to contain >100 certificates but I have not found an obvious pattern. It does happen with my current system bundle (/etc/ssl/certs/ca-bundle.crt). 

I enclose an example with appropriate keys and bundles, the code is based on the cpp ssl example in the proton release. See the readme file on how to run it. Basically it will build a proton server from the example code and connect to it using openssl s_client. There is a good and a bad bundle included. The good one has a few less certificates than the big one but is otherwise the same. If using the bad bundle the connection process will stop after a few ssl read/writes. With the good bundle it proceeds as expected.

 



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