eapmschapv2.h

source_code 实现无线局域网中的802.1x功能

/**************************************************************************/
/* WIRE1x Version 1.0: A client-side 802.1x implementation                */
/* based on xsupplicant of Open1x for Windows XP, 2000, 98, and Me        */
/*                                                                        */
/* This code is released under both the GPL version 2 and BSD licenses.   */
/* Either license may be used.  The respective licenses are found below.  */
/*                                                                        */
/* Copyright (C) 2004, WIRE Lab, National Tsing Hua Univ., Hsinchu, Taiwan*/
/* All Rights Reserved                                                    */
/**************************************************************************/
/**
 * A client-side 802.1x implementation supporting EAP/MD5
 *
 * This code is released under both the GPL version 2 and BSD licenses.
 * Either license may be used.  The respective licenses are found below.
 *
 * Copyright (C) 2002 Chris Hessing & Terry Simons
 * All Rights Reserved
 *
 * --- GPL Version 2 License ---
 * 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 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * --- BSD License ---
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - 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.
 *  - All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *       This product includes software developed by the University of
 *       Maryland at College Park and its contributors.
 *  - Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
 */

/*******************************************************************
 * EAPMS-CHAP Header 
 * 
 * File: eapmschap.h
 *
 * Authors: [e-mail], [e-mail]
 *
 *******************************************************************/

#ifndef EAPMSCHAP_H
#define EAPMSCHAP_H
#include <sys/types.h>

/*********** MACRO DEFINITIONS ****************/
#define EAP_TYPE_MSCHAP 0x1a             // EAP type MS-CHAPv2
#define EAP_NAME_MSCHAP "MSCHAPV2"

// Initalize Function for EAPOL package
int init_eapmschap(char *, char *);

// Function to handle packets and manage state.
int eapmschap_decode_packet(u_char *, int, u_char *, int *);

// Request any authentication tokens we need.
int eapmschap_auth_setup();

//Clean up after ourselves.
int eapmschap_shutdown();

//Generate, and return a keyblock.
int mschap_gen_keyblock();

//Convert a character value to a nibble.  (Should be moved to a utility
//function somewhere, since it is also used in EAP-SIM.)
char ctonibble(char cnib);
char *to_unicode(char *);
// Functions for use in other locations.
void NtChallengeResponse(char *, char *, char *);
void GenerateNTResponse(char *, char *, char *, char *, char *);
void NtPasswordHash(char *, char *);
void ChallengeResponse(char *, char *, char *);
void des_encrypt(char *, char *, char *);
void ChallengeHash(char *, char *, char *, char *);

#endif