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gnutls_ia_set_client_avp_function
Section: gnutls (3)
Updated: 2.10.2
Index
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NAME
gnutls_ia_set_client_avp_function - API function
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 session, 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.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
- REPORTING BUGS
-
- COPYRIGHT
-
- SEE ALSO
-
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