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/*
CIPE - encrypted IP over UDP tunneling
cipe.h - contains definitions, includes etc. common to all modules
Copyright 1996-2000 Olaf Titz <olaf@bigred.inka.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
/* $Id: if_cipe.h,v 1.1 2001/10/23 17:55:50 arjanv Exp $ */
#ifndef _IF_CIPE_H_
#define _IF_CIPE_H_
/*** The kernel/user IOCTL interface ***/
/* ioctls for setup and key exchange */
/* #define SIOCxIFCIPxxx (SIOCDEVPRIVATE+x) */
/* All ioctls are passed a struct ifreq <net/if.h> which contains the
device name in ifr_name and a pointer to the actual control struct
in ifr_data. */
#if 0
/* Get interface parameters. Currently unused */
#define SIOCGIFCIPPAR (SIOCDEVPRIVATE+0)
struct siocgifcippar {
unsigned long magic;
/* SOCKS5 relayer */
unsigned long sockshost;
unsigned short socksport;
/* Timeouts (in seconds) */
int tmo_keyxchg;
int tmo_keylife;
/* Flags */
int flags;
int cttl;
};
#endif
/* Set interface parameters. */
#define SIOCSIFCIPPAR (SIOCDEVPRIVATE+1)
struct siocsifcippar {
unsigned long magic;
/* SOCKS5 relayer */
unsigned long sockshost;
unsigned short socksport;
/* Timeouts (in seconds) */
int tmo_keyxchg;
int tmo_keylife;
/* Flags */
int flags;
int cttl;
};
/* Set a key. */
#define SIOCSIFCIPKEY (SIOCDEVPRIVATE+2)
#define KEY_STATIC 1
#define KEY_SEND 2
#define KEY_RECV 3
#define KEY_INVAL 8
struct siocsifcipkey {
unsigned long magic;
int which;
UserKey thekey;
};
/* Attach a socket. */
#define SIOCSIFCIPATT (SIOCDEVPRIVATE+3)
struct siocsifcipatt {
unsigned long magic;
int fd;
};
/* Allocate/deallocate a device. */
#define SIOCSIFCIPALL (SIOCDEVPRIVATE+4)
#define SIOCSIFCIPUNA (SIOCDEVPRIVATE+5)
struct siocsifcipall {
unsigned long magic;
int num;
char name[IFNAMSIZ];
};
/* Flag values. */
#define CIPF_MAY_CLEAR 0x0100
#define CIPF_MAY_STKEY 0x0200
#define CIPF_MAY_DYNIP 0x0400
#endif /* _IF_CIPE_H_ */