Shulou(Shulou.com)06/01 Report--

# include "stdafx.h"

# include

# include

# include

Void main (int argc, char * * argv)

{

Pcap_t * fp

Char errbuf[PCAP _ ERRBUF_SIZE]

U_char packet [100]

Int i

Pcap_if_t * alldevs

Pcap_if_t * d

Int inum

Int jung0

/ * get the list of devices * /

If (pcap_findalldevs_ex (PCAP_SRC_IF_STRING, NULL, & alldevs, errbuf) =-1)

{

Fprintf (stderr, "Error in pcap_findalldevs:% s\ n", errbuf)

Exit (1)

}

/ * print list * /

For (dudes alldevs; d; dudes-> next)

{

Printf ("d. S", + + j, d-> name)

If (d-> description)

Printf ("(% s)\ n", d-> description)

Else

Printf ("(No description available)\ n")

}

If (jacks 0)

{

Printf ("\ nNo interfaces found! Make sure WinPcap is installed.\ n")

Return

}

Printf ("Enter the interface number (1M% d):", j)

Scanf ("d", & inum)

If (inum

j)

{

Printf ("\ nInterface number out of range.\ n")

/ * release device list * /

Pcap_freealldevs (alldevs)

Return

}

/ * Jump to selected device * /

For (d=alldevs, juni0; j

Next, jacks +)

/ * Open the output device * /

If ((fp= pcap_open (d-> name, / / device name)

100, / / part to be captured (only the first 100 bytes are captured)

PCAP_OPENFLAG_PROMISCUOUS, / / hybrid mode

1000, / / read timeout

NULL, / / remote machine verification

Errbuf / / error buffering

)) = = NULL)

{

Fprintf (stderr, "\ nUnable to open the adapter.% s is not supported by WinPcap\ n", argv [1])

Return

}

Pcap_freealldevs (alldevs)

/ * suppose that on Ethernet, the destination address of MAC is set to 1: 1 * /

Packet [0] = 255

Packet [1] = 255

Packet [2] = 255

Packet [3] = 255

Packet [4] = 255

Packet [5] = 255

/ * set the MAC source address to 2 * /

Packet [6] = 10

Packet [7] = 10

Packet [8] = 10

Packet [9] = 10

Packet [10] = 10

Packet [11] = 10

Packet [12] = 96

Packet [13] = 00

/ * fill in the rest * /

For (iTunes 14)

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.