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lorcon_forge.h
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/*
This file is part of lorcon
lorcon 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.
lorcon is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with lorcon; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Copyright (c) 2005 dragorn and Joshua Wright
*/
#ifndef __LORCON_FORGE_H__
#define __LORCON_FORGE_H__
/*
* Lorcon Packet Forge
*
* Relatively simplistic mechanism for building 802.11 frames using the lorcon
* packet assembly utilities.
*
* Utility functions are included for most of the 802.11 packet types, as well
* as functions for adding to dynamically sized types.
*
* All lorcon packet forge functions use the lcpf_ namespace
*/
#ifndef __PACKET_ASSEMBLY_H__
#include <lorcon_packasm.h>
#endif
/* Create a random MAC address, optionally seeded with a valid wireless OUI
*
* addr must be allocated by the caller
*/
void lcpf_randmac(uint8_t *addr, int valid);
/* Generate the common 802.11 headers. Lower-level function which will generally
* be wrapped in packet-specific functions
*
* pack is expected to be an initialized, empty metapack.
*
* mac1 through mac4 are expected to contain NULL or a MAC address for that
* slot. The interpretation of the MAC address in each slot will vary per
* 802.11 type, the caller is expected to provide the MACs in appropriate order.
*
*/
void lcpf_80211headers(struct lcpa_metapack *pack, unsigned int type,
unsigned int subtype, unsigned int fcflags,
unsigned int duration,
uint8_t *mac1, uint8_t *mac2, uint8_t *mac3,
uint8_t *mac4, unsigned int fragment,
unsigned int sequence);
/* Control frame (10-byte) header */
void lcpf_80211ctrlheaders(struct lcpa_metapack *pack,
unsigned int type, unsigned int subtype, unsigned int fcflags,
unsigned int duration, uint8_t *mac1);
/* Generate a QoS header (2 bytes) which follows immediately after Addr4 or
* the sequence number field in the standard 802.11 header */
void lcpf_qosheaders(struct lcpa_metapack *pack, unsigned int priority,
unsigned int eosp, unsigned int ackpol);
/* Generate a beacon frame header with no IE tags (see lcpf_appendie)
*
* pack is expected to be an initialized, empty metapack
*
*/
void lcpf_beacon(struct lcpa_metapack *pack, uint8_t *src, uint8_t *bssid,
int framecontrol, int duration, int fragment, int sequence,
uint64_t timestamp, int beacon, int capabilities);
/* Append an IE tag to a frame
*
* pack is expected to be an initialized, filled frame of a type which
* can sanely accept IE tags
*
* IE tags are created as valid entities. Users who wish to insert corrupted
* IE tags with invalid lengths should do so via pack_append*()
*/
void lcpf_add_ie(struct lcpa_metapack *pack, uint8_t num, uint8_t len, uint8_t *data);
/* Generate a disassoc frame */
void lcpf_disassoc(struct lcpa_metapack *pack, uint8_t *src, uint8_t *dst,
uint8_t *bssid, int framecontrol, int duration, int fragment,
int sequence, int reasoncode);
/* Generate a probereq frame */
void lcpf_probereq(struct lcpa_metapack *pack, uint8_t *src, int framecontrol,
int duration, int fragment, int sequence);
/* Generate a proberesp frame */
void lcpf_proberesp(struct lcpa_metapack *pack, uint8_t *dst, uint8_t *src,
uint8_t *bssid, int framecontrol, int duration, int fragment,
int sequence, uint64_t timestamp, int beaconint,
int capabilities);
/* Generate a RTS frame */
void lcpf_rts(struct lcpa_metapack *pack, uint8_t *recvmac, uint8_t *transmac,
int framecontrol, int duration);
/* Deauthenticate frame */
void lcpf_deauth(struct lcpa_metapack *pack, uint8_t *src, uint8_t *dst,
uint8_t *bssid, int framecontrol,
int duration, int fragment,
int sequence, int reasoncode);
/* Authenticate request */
void lcpf_authreq(struct lcpa_metapack *pack, uint8_t *dst, uint8_t *src,
uint8_t *bssid, int framecontrol, int duration, int fragment,
int sequence, uint16_t authalgo, uint16_t auth_seq,
uint16_t auth_status);
/* Authenticate response */
void lcpf_authresp(struct lcpa_metapack *pack, uint8_t *dst, uint8_t *src,
uint8_t *bssid, int framecontrol, int duration, int fragment,
int sequence, uint16_t authalgo, uint16_t auth_seq,
uint16_t auth_status);
/* Associate request */
void lcpf_assocreq(struct lcpa_metapack *pack, uint8_t *dst, uint8_t *src,
uint8_t *bssid, int framecontrol, int duration, int fragment,
int sequence, uint16_t capabilities, uint16_t listenint);
/* Associate response */
void lcpf_assocresp(struct lcpa_metapack *pack, uint8_t *dst, uint8_t *src,
uint8_t *bssid, int framecontrol, int duration, int fragment,
int sequence, uint16_t capabilities, uint16_t status,
uint16_t aid);
/* Data frame */
void lcpf_data(struct lcpa_metapack *pack, unsigned int fcflags,
unsigned int duration, uint8_t *mac1, uint8_t *mac2,
uint8_t *mac3, uint8_t *mac4, unsigned int fragment,
unsigned int sequence);
/* QOS Data frame */
void lcpf_qos_data(struct lcpa_metapack *pack, unsigned int fcflags,
unsigned int duration, uint8_t *mac1, uint8_t *mac2,
uint8_t *mac3, uint8_t *mac4, unsigned int fragment,
unsigned int sequence);
#endif