2 * $Id: arp.c,v 1.1.1.1 2000/05/25 00:28:49 route Exp $
5 * arp.c - Build an ARP packet
7 * Copyright (c) 1998, 1999, 2000 Mike D. Schiffman <mike@infonexus.com>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include "../../include/config.h"
36 #include "../libnet_test.h"
39 main(int argc, char *argv[])
44 struct libnet_link_int *l;
46 while ((c = getopt(argc, argv, "i:")) != EOF)
60 fprintf(stderr, "Specify a device\n");
64 l = libnet_open_link_interface(device, errbuf);
67 fprintf(stderr, "libnet_open_link_interface: %s\n", errbuf);
70 c = send_arp(l, device);
72 return (c == -1 ? EXIT_FAILURE : EXIT_SUCCESS);
77 send_arp(struct libnet_link_int *l, u_char *device)
82 if (libnet_init_packet(LIBNET_ARP_H + LIBNET_ETH_H, &buf) == -1)
84 perror("libnet_init_packet memory:");
91 libnet_build_ethernet(enet_dst, enet_src, ETHERTYPE_ARP, NULL, 0, buf);
96 libnet_build_arp(ARPHRD_ETHER,
109 n = libnet_write_link_layer(l, device, buf, LIBNET_ARP_H + LIBNET_ETH_H);
111 printf("Wrote %d byte ARP packet through linktype %d\n", n, l->linktype);
113 libnet_destroy_packet(&buf);