I have written a program that needs to run on both Solaris 2.6 adn HP-UX
11.0. Here is what I do:
1. I create the sockets in both the client and server ( using socket() )
2. I do the accept and connect and then the SSL_connect and SSL_accept
between the
client and the server
3. I set the socket ( outside of the SSL structure ) to be non-blocking
( using fcntl( F_NDELAY ) ) because I don't know the size of messages
that
I am writing through the socket connection and so need to loop and read
until 0
bytes are read.
4. I loop and call SSL_read() on the server when the client writes to the
socket, and
when there is no more to read SSL_read should returns a -1 and errno
should be
set to EWOULDBLOCK, which indicates I have all of the message.
Well, number 4 works fine on Solaris 2.6, but when I do this on HP-UX 11.0
both client and server programs are built with gcc 2.95.2 ) when there is
no more to SSL_read from the socket, it returns 0
instead of -1 which in the non-SSL world means that the other side
disconnected, which of course screws me all up.
Has anyone seen or heard of these kind of differences between HP-UX 11.0 and
Solaris 2.6 and if so, can anyone help me figure out if I'm misusing SSL
setting it to F_NDELAY outside the SSL structure ) or if SSL_read and
SSL_write behave differently from normal read() and write().
Thanks,
Neil Kessler
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