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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_session_ext_register(3) gnutls gnutls_session_ext_register(3)
gnutls_session_ext_register - API function
#include <gnutls/gnutls.h>
int gnutls_session_ext_register(gnutls_session_t session, const
char * name, int id, gnutls_ext_parse_type_t parse_point,
gnutls_ext_recv_func recv_func, gnutls_ext_send_func send_func,
gnutls_ext_deinit_data_func deinit_func, gnutls_ext_pack_func
pack_func, gnutls_ext_unpack_func unpack_func, unsigned flags);
gnutls_session_t session
the session for which this extension will be set
const char * name
the name of the extension to register
int id the numeric id of the extension
gnutls_ext_parse_type_t parse_point
the parse type of the extension (see
gnutls_ext_parse_type_t)
gnutls_ext_recv_func recv_func
a function to receive the data
gnutls_ext_send_func send_func
a function to send the data
gnutls_ext_deinit_data_func deinit_func
a function deinitialize any private data
gnutls_ext_pack_func pack_func
a function which serializes the extension's private
data (used on session packing for resumption)
gnutls_ext_unpack_func unpack_func
a function which will deserialize the extension's
private data
unsigned flags
must be zero or flags from gnutls_ext_flags_t
This function will register a new extension type. The extension
will be only usable within the registered session. If the
extension type is already registered then
GNUTLS_E_ALREADY_REGISTERED will be returned, unless the flag
GNUTLS_EXT_FLAG_OVERRIDE_INTERNAL is specified. The latter flag
when specified can be used to override certain extensions
introduced after 3.6.0. It is expected to be used by applications
which handle custom extensions that are not currently supported in
GnuTLS, but direct support for them may be added in the future.
Each registered extension can store temporary data into the
gnutls_session_t structure using gnutls_ext_set_data(), and they
can be retrieved using gnutls_ext_get_data().
The validity of the extension registered can be given by the
appropriate flags of gnutls_ext_flags_t. If no validity is given,
then the registered extension will be valid for client and TLS1.2
server hello (or encrypted extensions for TLS1.3).
GNUTLS_E_SUCCESS on success, otherwise a negative error code.
3.5.5
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
Copyright © 2001-2023 Free Software Foundation, Inc., and others.
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.
The full documentation for gnutls is maintained as a Texinfo
manual. If the /usr/share/doc/gnutls/ directory does not contain
the HTML form visit
https://www.gnutls.org/manual/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this
manual page, send it to bugs@gnutls.org. This page was obtained
from the tarball fetched from
⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-02-02. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information
in this COLOPHON (which is not part of the original manual page),
send a mail to man-pages@man7.org
gnutls 3.8.8 gnutls_session_ext_register(3)
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HTML rendering created 2025-02-02 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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