gnutls_ia_set_client_avp_function man page on GhostBSD
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gnutls_ia_set_client_avp_function(3)gnutlsgnutls_ia_set_client_avp_function(3)
NAME
gnutls_ia_set_client_avp_function - Used to set a AVP callback
SYNOPSIS
#include <gnutls/extra.h>
void gnutls_ia_set_client_avp_function(gnutls_ia_client_credentials_t
cred, gnutls_ia_avp_func avp_func);
ARGUMENTS
gnutls_ia_client_credentials_t cred
is a gnutls_ia_client_credentials_t structure.
gnutls_ia_avp_func avp_func
is the callback function
DESCRIPTION
Set the TLS/IA AVP callback handler used for the session.
The AVP callback is called to process AVPs received from the server,
and to get a new AVP to send to the server.
The callback's function form is: int (*avp_func) (gnutls_session_t ses‐
sion, void *ptr, const char *last, size_t lastlen, char **next, size_t
*nextlen);
The session parameter is the gnutls_session_t structure corresponding
to the current session. The ptr parameter is the application hook
pointer, set through gnutls_ia_set_client_avp_ptr(). The AVP received
from the server is present in last of lastlen size, which will be NULL
on the first invocation. The newly allocated output AVP to send to the
server should be placed in *next of *nextlen size.
The callback may invoke gnutls_ia_permute_inner_secret() to mix any
generated session keys with the TLS/IA inner secret.
Return 0 (GNUTLS_IA_APPLICATION_PAYLOAD) on success, or a negative
error code to abort the TLS/IA handshake.
Note that the callback must use allocate the next parameter using
gnutls_malloc(), because it is released via gnutls_free() by the TLS/IA
handshake function.
REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>. GnuTLS home page:
http://www.gnu.org/software/gnutls/ General help using GNU software:
http://www.gnu.org/gethelp/
COPYRIGHT
Copyright © 2008 Free Software Foundation.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
SEE ALSO
The full documentation for gnutls is maintained as a Texinfo manual.
If the info and gnutls programs are properly installed at your site,
the command
info gnutls
should give you access to the complete manual.
gnutls 2.8.6gnutls_ia_set_client_avp_function(3)
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