/* *  $Id: dot1x.c,v 1.1.1.1 2003/06/26 21:55:11 route Exp $ * *  libnet 1.1 *  Build a dot1x packet * *  Copyright (c) 1998 - 2003 Mike D. Schiffman <mike@infonexus.com> *  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. * */#if (HAVE_CONFIG_H)#include "../include/config.h"#endif#include "./libnet_test.h"intmain(int argc, char *argv[]){    int c;    libnet_t *l;    libnet_ptag_t t;    u_char eap_dst[6] = {0x01, 0x80, 0xc2, 0x00, 0x00, 0x03};    char *device = NULL;    char errbuf[LIBNET_ERRBUF_SIZE];    /* Code Id Length(2) Type DesiredType */    char payload[] = {0x01, 0x0a, 0x00, 0x7f, 0x03, 0x05};    printf("libnet 1.1 packet shaping: dot1x\n");    if (argc > 1)    {         device = argv[1];    }    l = libnet_init(            LIBNET_LINK_ADV,                        /* injection type */            device,                                 /* network interface */            errbuf);                                /* errbuf */    if (l == NULL)    {        fprintf(stderr, "libnet_init() failed: %s", errbuf);        exit(EXIT_FAILURE);    }    t = libnet_build_802_1x(            0,            LIBNET_802_1X_PACKET,            sizeof(payload),            payload,            sizeof(payload),            l,            0);    if (t == -1)    {        fprintf(stderr, "Can't build dot1x header: %s\n", libnet_geterror(l));        goto bad;    }    t = libnet_autobuild_ethernet(            eap_dst,                                /* ethernet destination */            ETHERTYPE_EAP,                          /* protocol type */            l);                                     /* libnet handle */    if (t == -1)    {        fprintf(stderr, "Can't build ethernet header: %s\n", libnet_geterror(l));        goto bad;    }    /*     *  Write it to the wire.     */    c = libnet_write(l);    if (c == -1)    {        fprintf(stderr, "Write error: %s\n", libnet_geterror(l));        goto bad;    }    else    {        fprintf(stderr, "Wrote %d byte dot1x packet from context \"%s\"; "                "check the wire.\n", c, libnet_cq_getlabel(l));    }    libnet_destroy(l);    return (EXIT_SUCCESS);bad:    libnet_destroy(l);    return (EXIT_FAILURE);}/* EOF */