Phillip Hellewell wrote:
Hi all,
How do I implement my own BIO? Do I just create a function that returns a
BIO_METHOD* with pointers to my custom functions? Is there any documentation
on how to do this?
I searched the mailing list and found that this question has been asked before
but no one ever responds. The lack of documentation and responses leads me to
believe that the BIO interface is not really meant to be used for user-defined
I/O.
1999: http://marc.info/?l=ssl-users&m=91639275613495&w=2
<http://marc.info/?l=ssl-users&m=91639275613495&w=2>
2005: http://marc.info/?l=openssl-users&m=110624296809686&w=2
<http://marc.info/?l=openssl-users&m=110624296809686&w=2>
2008: http://marc.info/?l=openssl-dev&m=122959672906832&w=2
<http://marc.info/?l=openssl-dev&m=122959672906832&w=2>
Please, at least will someone respond with one of the following:
1. "No, don't even try to do it. You're not supposed to."
2. "Yes, you can do it but no one is going to help you. Just look at some of
the files in crypto/bio/ and see if you can figure it out."
Some things are probably too easy to justify the time it takes to respond. In
this case, define a BIO_METHOD struct with your handlers and just use it.
One example is in OpenLDAP's libldap/tls_o.c.
http://www.openldap.org/devel/cvsweb.cgi/~checkout~/libraries/libldap/tls_o.c?rev=1.16
--
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/
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