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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