Hi,
I have a multithreade application which uses OpenSSL to get contents from
HTTPS server (here an IIS server). The HTTPS server requires client side
certificate.
My program uses:
SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
so I do not need to handle SSL_ERROR_WANT_WRITE, SSL_ERROR_WANT_READ (even
though my code covers these logics).
My program calls SSL_set_connect_state(...) to tell its a SSL client, and it
uses SSL_connect(...) to connect to the HTTPS server.
In most times, my program works without any problem. But every couple of
hours (sometimes 2 hours, sometimes 3 or more), SSL_read gives me back
SSL_ERROR_SYSCALL error and the detail is:
error:140940E5:SSL routines:SSL3_READ_BYTES:ssl handshake failure
I have no clue on how to avoid this error, as I see no reasons that
handshake could fail after the success of SSL_connect(...).
Could any of you guys there share some lights on how to solve this problem?
We checked the HTTPS server (IIS) settings, and no clue there also.
Thanks in advance!
Mike
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