|
Packit |
549fdc |
/*
|
|
Packit |
549fdc |
* Copyright (C) 2000-2012 Free Software Foundation, Inc.
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* Author: Nikos Mavrogiannopoulos
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* This file is part of GnuTLS.
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* The GnuTLS is free software; you can redistribute it and/or
|
|
Packit |
549fdc |
* modify it under the terms of the GNU Lesser General Public License
|
|
Packit |
549fdc |
* as published by the Free Software Foundation; either version 2.1 of
|
|
Packit |
549fdc |
* the License, or (at your option) any later version.
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* This library is distributed in the hope that it will be useful, but
|
|
Packit |
549fdc |
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
549fdc |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
549fdc |
* Lesser General Public License for more details.
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* You should have received a copy of the GNU Lesser General Public License
|
|
Packit |
549fdc |
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#ifndef GNUTLS_EXTENSIONS_H
|
|
Packit |
549fdc |
#define GNUTLS_EXTENSIONS_H
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#include <gnutls/gnutls.h>
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
int _gnutls_parse_extensions(gnutls_session_t session,
|
|
Packit |
549fdc |
gnutls_ext_parse_type_t parse_type,
|
|
Packit |
549fdc |
const uint8_t * data, int data_size);
|
|
Packit |
549fdc |
int _gnutls_gen_extensions(gnutls_session_t session,
|
|
Packit |
549fdc |
gnutls_buffer_st * extdata,
|
|
Packit |
549fdc |
gnutls_ext_parse_type_t);
|
|
Packit |
549fdc |
int _gnutls_ext_init(void);
|
|
Packit |
549fdc |
void _gnutls_ext_deinit(void);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
void _gnutls_extension_list_add_sr(gnutls_session_t session);
|
|
Packit |
549fdc |
int _gnutls_extension_list_check(gnutls_session_t session, uint16_t type);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
void _gnutls_ext_free_session_data(gnutls_session_t session);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* functions to be used by extensions internally
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
void _gnutls_ext_unset_session_data(gnutls_session_t session,
|
|
Packit |
549fdc |
uint16_t type);
|
|
Packit |
549fdc |
void _gnutls_ext_set_session_data(gnutls_session_t session, uint16_t type,
|
|
Packit |
549fdc |
gnutls_ext_priv_data_t);
|
|
Packit |
549fdc |
int _gnutls_ext_get_session_data(gnutls_session_t session, uint16_t type,
|
|
Packit |
549fdc |
gnutls_ext_priv_data_t *);
|
|
Packit |
549fdc |
int _gnutls_ext_get_resumed_session_data(gnutls_session_t session,
|
|
Packit |
549fdc |
uint16_t type,
|
|
Packit |
549fdc |
gnutls_ext_priv_data_t * data);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* for session packing */
|
|
Packit |
549fdc |
int _gnutls_ext_pack(gnutls_session_t session, gnutls_buffer_st * packed);
|
|
Packit |
549fdc |
int _gnutls_ext_unpack(gnutls_session_t session,
|
|
Packit |
549fdc |
gnutls_buffer_st * packed);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
typedef struct extension_entry_st {
|
|
Packit |
549fdc |
const char *name; /* const overriden when free_struct is set */
|
|
Packit |
549fdc |
unsigned free_struct;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
uint16_t type;
|
|
Packit |
549fdc |
gnutls_ext_parse_type_t parse_type;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* this function must return 0 when Not Applicable
|
|
Packit |
549fdc |
* size of extension data if ok
|
|
Packit |
549fdc |
* < 0 on other error.
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
gnutls_ext_recv_func recv_func;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* this function must return 0 when Not Applicable
|
|
Packit |
549fdc |
* size of extension data if ok
|
|
Packit |
549fdc |
* GNUTLS_E_INT_RET_0 if extension data size is zero
|
|
Packit |
549fdc |
* < 0 on other error.
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
gnutls_ext_send_func send_func;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_ext_deinit_data_func deinit_func; /* this will be called to deinitialize
|
|
Packit |
549fdc |
* internal data
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
gnutls_ext_pack_func pack_func; /* packs internal data to machine independent format */
|
|
Packit |
549fdc |
gnutls_ext_unpack_func unpack_func; /* unpacks internal data */
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* non-zero if that extension cannot be overriden by the applications.
|
|
Packit |
549fdc |
* That should be set to extensions which allocate data early, e.g., on
|
|
Packit |
549fdc |
* gnutls_init(), or modify the TLS protocol in a way that the application
|
|
Packit |
549fdc |
* cannot control. */
|
|
Packit |
549fdc |
unsigned cannot_be_overriden;
|
|
Packit |
549fdc |
} extension_entry_st;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
int _gnutls_ext_register(extension_entry_st *);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#endif
|