Hello!
I've spend some time on fixing the Perl openssl binding Net::SSLeay
for non-blocking IO usage. I was working on the requirement of
passing the same arguments to SSL_read and SSL_write on retries.
Then someone told me that he read the openssl code (i guess it was the
latest version), and doesn't think that SSL_read needs the same
arguments, as the man page says:
When an SSL_read() operation has to be repeated because of
SSL_ERROR_WANT_READ
or SSL_ERROR_WANT_WRITE, it must be repeated with the same arguments.
I'm having a hard time to understand the openssl code to confirm that
SSL_read doesn't need the same buffer on retries.
And on the other hand: A friend of mine told me that he used SSL_read on
non-blocking sockets, and he got bad results from not passing the
same buffers to SSL_read on retries.
So my question is: Does someone know whether that requirement is still
in the (current) openssl code? And could the requirement even be dropped
(from the man page)?
Thanks,
Robin
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