56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
/* $OpenBSD: nat_traversal.h,v 1.4 2005/07/25 15:03:47 hshoexer Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2004 Håkan Olsson. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _NAT_TRAVERSAL_H_
|
|
#define _NAT_TRAVERSAL_H_
|
|
|
|
#define VID_DRAFT_V2 0
|
|
#define VID_DRAFT_V2_N 1
|
|
#define VID_DRAFT_V3 2
|
|
#define VID_RFC3947 3
|
|
|
|
struct nat_t_cap {
|
|
int id;
|
|
u_int32_t flags;
|
|
const char *text;
|
|
char *hash;
|
|
size_t hashsize;
|
|
};
|
|
|
|
/*
|
|
* Set if -T is given on the command line to disable NAT-T support.
|
|
*/
|
|
extern int disable_nat_t;
|
|
|
|
void nat_t_init(void);
|
|
int nat_t_add_vendor_payloads(struct message *);
|
|
void nat_t_check_vendor_payload(struct message *, struct payload *);
|
|
int nat_t_exchange_add_nat_d(struct message *);
|
|
int nat_t_exchange_check_nat_d(struct message *);
|
|
void nat_t_setup_keepalive(struct sa *);
|
|
|
|
#endif /* _NAT_TRAVERSAL_H_ */
|