Send a packet
# 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
< 1 || 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
< inum-1 ;d=d->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)
