os_wireless_ext.h

source_code 实现无线局域网中的802.1x功能

/**
 * A client-side 802.1x implementation supporting EAP/TLS
 *
 * 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 Bryan D. Payne & Nick L. Petroni Jr.
 * 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.
 */

/*******************************************************************
 * The driver function for a Linux application layer EAPOL 
 * implementation
 * File: os_wireless_ext.h
 *
 * Authors: [e-mail], [e-mail],
 *          [e-mail], [e-mail]
 *
 * $Id: os_wireless_ext.h,v 1.1 2003/01/02 19:37:51 chessing Exp $
 * $Date: 2003/01/02 19:37:51 $
 *******************************************************************/
typedef unsigned char u_char;
#define IFNAMSIZ        16
#define SIOCGIWAP  0x8B15          /* get access point MAC addresses */
typedef unsigned short uint16_t ;
//typedef char  *caddr_t ;
/*
 *      For all data larger than 16 octets, we need to use a
 *      pointer to memory allocated in user space.
 */
struct  iw_point
{
//  caddr_t       pointer;        /* Pointer to the data  (in user space) */
  uint16_t      length;         /* number of fields or size in bytes */
  uint16_t      flags;          /* Optional params */
};


int
eapol_wireless_get_bssid(char *,  /* The device Name */
			 u_char * /* The return BSSID */
			 );

/* ------------------------ IOCTL REQUEST ------------------------ */
/*
 * This structure defines the payload of an ioctl, and is used
 * below.
 *
 * Note that this structure should fit on the memory footprint
 * of iwreq (which is the same as ifreq), which mean a max size of
 * 16 octets = 128 bits. Warning, pointers might be 64 bits wide...
 * You should check this when increasing the structures defined
 * above in this file...
 */
union   iwreq_data
{
        /* Config - generic */
        char            name[IFNAMSIZ];
        /* Name : used to verify the presence of  wireless extensions.
         * Name of the protocol/provider... */
		struct iw_point essid;          /* Extended network name */

        struct sockaddr ap_addr;        /* Access point address */

};

			 
/*
 * The structure to exchange data for ioctl.
 * This structure is the same as 'struct ifreq', but (re)defined for
 * convenience...
 * Do I need to remind you about structure size (32 octets) ?
 */
struct  iwreq
{
        char *ifr_name;
		union
        {
                char    ifrn_name[IFNAMSIZ];    /* if name, e.g. "eth0" */
        } ifr_ifrn;

        /* Data part (defined just above) */
        union   iwreq_data      u;
		
};