nexmon – Rev 1
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/*
* Copyright (c) 2007, 2008, Andrea Bittau <a.bittau@cs.ucl.ac.uk>
* All OS dependent crap should go here.
*
* 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.
*
* This program is distributed in the hope that it will be useful, but
* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
* NON-INFRINGEMENT. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
#ifndef __AIRCRACK_NG_OSEDEP_H__
#define __AIRCRACK_NG_OSEDEP_H__
#include <netinet/in.h>
#include <stdint.h>
#include "byteorder.h"
#include "packed.h"
#if defined(__APPLE_CC__) && defined(_XCODE)
#include <pcap/bpf.h>
#undef LINKTYPE_RADIOTAP_HDR
#define LINKTYPE_RADIOTAP_HDR DLT_IEEE802_11_RADIO
#undef LINKTYPE_IEEE802_11
#define LINKTYPE_IEEE802_11 DLT_IEEE802_11
#undef LINKTYPE_PRISM_HEADER
#define LINKTYPE_PRISM_HEADER DLT_PRISM_HEADER
#undef LINKTYPE_ETHERNET
#define LINKTYPE_ETHERNET DLT_ERF_ETH
#undef LINKTYPE_PPI_HDR
#define LINKTYPE_PPI_HDR DLT_PPI
#undef TCPDUMP_MAGIC
#define TCPDUMP_MAGIC 0xa1b2c3d4
#endif
/* For all structures, when adding new fields, always append them to the end.
* This way legacy binary code does not need to be recompiled. This is
* particularly useful for DLLs. -sorbo
*/
struct tx_info {
unsigned int ti_rate;
};
struct rx_info {
uint64_t ri_mactime;
int32_t ri_power;
int32_t ri_noise;
uint32_t ri_channel;
uint32_t ri_freq;
uint32_t ri_rate;
uint32_t ri_antenna;
} __packed;
/* Normal code should not access this directly. Only osdep.
* This structure represents a single interface. It should be created with
* wi_open and destroyed with wi_close.
*/
#define MAX_IFACE_NAME 64
struct wif {
int (*wi_read)(struct wif *wi, unsigned char *h80211, int len,
struct rx_info *ri);
int (*wi_write)(struct wif *wi, unsigned char *h80211, int len,
struct tx_info *ti);
int (*wi_set_channel)(struct wif *wi, int chan);
int (*wi_get_channel)(struct wif *wi);
int (*wi_set_freq)(struct wif *wi, int freq);
int (*wi_get_freq)(struct wif *wi);
void (*wi_close)(struct wif *wi);
int (*wi_fd)(struct wif *wi);
int (*wi_get_mac)(struct wif *wi, unsigned char *mac);
int (*wi_set_mac)(struct wif *wi, unsigned char *mac);
int (*wi_set_rate)(struct wif *wi, int rate);
int (*wi_get_rate)(struct wif *wi);
int (*wi_set_mtu)(struct wif *wi, int mtu);
int (*wi_get_mtu)(struct wif *wi);
int (*wi_get_monitor)(struct wif *wi);
void *wi_priv;
char wi_interface[MAX_IFACE_NAME];
};
/* Routines to be used by client code */
extern struct wif *wi_open(char *iface);
extern int wi_read(struct wif *wi, unsigned char *h80211, int len,
struct rx_info *ri);
extern int wi_write(struct wif *wi, unsigned char *h80211, int len,
struct tx_info *ti);
extern int wi_set_channel(struct wif *wi, int chan);
extern int wi_get_channel(struct wif *wi);
extern int wi_set_freq(struct wif *wi, int freq);
extern int wi_get_freq(struct wif *wi);
extern void wi_close(struct wif *wi);
extern char *wi_get_ifname(struct wif *wi);
extern int wi_get_mac(struct wif *wi, unsigned char *mac);
extern int wi_set_mac(struct wif *wi, unsigned char *mac);
extern int wi_get_rate(struct wif *wi);
extern int wi_set_rate(struct wif *wi, int rate);
extern int wi_get_monitor(struct wif *wi);
extern int wi_get_mtu(struct wif *wi);
extern int wi_set_mtu(struct wif *wi, int mtu);
/* wi_open_osdep should determine the type of card and setup the wif structure
* appropriately. There is one per OS. Called by wi_open.
*/
extern struct wif *wi_open_osdep(char *iface);
/* This will return the FD used for reading. This is required for using select
* on it.
*/
extern int wi_fd(struct wif *wi);
/* Helper routines for osdep code. */
extern struct wif *wi_alloc(int sz);
extern void *wi_priv(struct wif *wi);
/* Client code can use this to determine the battery state. One per OS. */
extern int get_battery_state(void);
/* Client code can create a tap interface */
/* XXX we can unify the tap & wi stuff in the future, but for now, lets keep
* them seperate until we learn something.
*/
struct tif {
int (*ti_read)(struct tif *ti, void *buf, int len);
int (*ti_write)(struct tif *ti, void *buf, int len);
int (*ti_fd)(struct tif *ti);
char *(*ti_name)(struct tif *ti);
int (*ti_set_mtu)(struct tif *ti, int mtu);
int (*ti_get_mtu)(struct tif *ti);
int (*ti_set_ip)(struct tif *ti, struct in_addr *ip);
int (*ti_set_mac)(struct tif *ti, unsigned char *mac);
void (*ti_close)(struct tif *ti);
void *ti_priv;
};
/* one per OS */
extern struct tif *ti_open(char *iface);
/* osdep routines */
extern struct tif *ti_alloc(int sz);
extern void *ti_priv(struct tif *ti);
/* client routines */
extern char *ti_name(struct tif *ti);
extern int ti_set_mtu(struct tif *ti, int mtu);
extern int ti_get_mtu(struct tif *ti);
extern void ti_close(struct tif *ti);
extern int ti_fd(struct tif *ti);
extern int ti_read(struct tif *ti, void *buf, int len);
extern int ti_write(struct tif *ti, void *buf, int len);
extern int ti_set_mac(struct tif *ti, unsigned char *mac);
extern int ti_set_ip(struct tif *ti, struct in_addr *ip);
#endif /* __AIRCRACK_NG_OSEDEP_H__ */