freebsd-skq/usr.sbin/ppp/loadalias.h

50 lines
2.1 KiB
C

/*-
* Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $Id: loadalias.h,v 1.4.2.2 1998/04/07 23:45:58 brian Exp $
*/
struct aliasHandlers {
void *dl;
char *(*GetFragment)(char *);
void (*Init)(void);
int (*In)(char *, int);
int (*Out)(char *, int);
struct alias_link *(*RedirectAddr)(struct in_addr, struct in_addr);
struct alias_link *(*RedirectPort)(struct in_addr, u_short, struct in_addr,
u_short, struct in_addr, u_short, u_char);
int (*SaveFragment)(char *);
void (*SetAddress)(struct in_addr);
unsigned (*SetMode)(unsigned, unsigned);
void (*FragmentIn)(char *, char *);
};
extern struct aliasHandlers PacketAlias;
#define alias_IsEnabled() (PacketAlias.dl ? 1 : 0)
extern int alias_Load(void);
extern void alias_Unload(void);