我做VB6的Winsock程序客户端 - 服务器。我想发送数据包WINPCAP没有连接的服务器和客户端服务器连接。我建立从WinPcap的客户VB6，但服务器VB6相同的数据包的数据包不能接收从WinPcap的包
#define HAVE_REMOTE
#include <pcap.h>
int main()
{
pcap_if_t * allAdapters;
pcap_if_t * adapter;
pcap_t * adapterHandle;
u_char packet[ 58 ];
char errorBuffer[ PCAP_ERRBUF_SIZE ];
// retrieve the adapters from the computer
if( pcap_findalldevs_ex( PCAP_SRC_IF_STRING, NULL,
&allAdapters, errorBuffer ) == -1 )
{
fprintf( stderr, "Error in pcap_findalldevs_ex function: %s\n",
errorBuffer );
return -1;
}
// if there are no adapters, print an error
if( allAdapters == NULL )
{
printf( "\nNo adapters found! Make sure WinPcap is installed.\n" );
return 0;
}
// print the list of adapters along with basic information about an adapter
int crtAdapter = 0;
for( adapter = allAdapters; adapter != NULL; adapter = adapter->next)
{
printf( "\n%d.%s ", ++crtAdapter, adapter->name );
printf( "-- %s\n", adapter->description );
}
printf( "\n" );
int adapterNumber;
printf( "Enter the adapter number between 1 and %d:", crtAdapter );
scanf( "%d", &adapterNumber );
if( adapterNumber < 1 || adapterNumber > crtAdapter )
{
printf( "\nAdapter number out of range.\n" );
// Free the adapter list
pcap_freealldevs( allAdapters );
return -1;
}
// parse the list until we reach the desired adapter
adapter = allAdapters;
for( crtAdapter = 0; crtAdapter < adapterNumber - 1; crtAdapter++ )
adapter = adapter->next;
// open the adapter
adapterHandle = pcap_open( adapter->name, // name of the adapter
65536, // portion of the packet to capture
// 65536 guarantees that the whole
// packet will be captured
PCAP_OPENFLAG_PROMISCUOUS, // promiscuous mode
1000, // read timeout - 1 millisecond
NULL, // authentication on the remote machine
errorBuffer // error buffer
);
if( adapterHandle == NULL )
{
fprintf( stderr, "\nUnable to open the adapter\n", adapter->name );
// Free the adapter list
pcap_freealldevs( allAdapters );
return -1;
}
// free the adapter list
pcap_freealldevs( allAdapters );
// this is the most important part of the application
// here we send the packet
// first we create the packet
// set mac destination address to 01 : 01 : 01 : 01 : 01 : 01
packet[0] = 0x00;
packet[1] = 0x23;
packet[2] = 0x5a;
packet[3] = 0x99;
packet[4] = 0x4f;
packet[5] = 0xe2;
// set mac source address to 02 : 02 : 02 : 02 : 02 : 02
packet[6] = 0x00;
packet[7] = 0x13;
packet[8] = 0x8f;
packet[9] = 0x83;
packet[10] = 0xa9;
packet[11] = 0xb3;
// set the rest of the packet
packet[12] = 0x08;
packet[13] = 0x00;
packet[14] = 0x45;
packet[15] = 0x00;
packet[16] = 0x00;
packet[17] = 0x2c;
packet[18] = 0x00;
packet[19] = 0xfb;
packet[20] = 0x40;
packet[21] = 0x00;
packet[22] = 0x40;
packet[23] = 0x06;
packet[24] = 0xb6;
packet[25] = 0x7d;
packet[26] = 0xc0;
packet[27] = 0xa8;
packet[28] = 0x01;
packet[29] = 0x01;
packet[30] = 0xc0;
packet[31] = 0xa8;
packet[32] = 0x01;
packet[33] = 0x02;
packet[34] = 0x04;
packet[35] = 0x15;
packet[36] = 0x00;
packet[37] = 0xa6;
packet[38] = 0x4d;
packet[39] = 0x62;
packet[40] = 0xfe;
packet[41] = 0x09;
packet[42] = 0x17;
packet[43] = 0x46;
packet[44] = 0x60;
packet[45] = 0x5c;
packet[46] = 0x50;
packet[47] = 0x18;
packet[48] = 0xff;
packet[49] = 0xff;
packet[50] = 0x7d;
packet[51] = 0x15;
packet[52] = 0x00;
packet[53] = 0x00;
packet[54] = 0x74;
packet[55] = 0x65;
packet[56] = 0x73;
packet[57] = 0x74;
// send the packet
if( pcap_sendpacket( adapterHandle, // the adapter handle
packet, // the packet
58 // the length of the packet
) != 0 )
{
fprintf( stderr,"\nError sending the packet: \n", pcap_geterr( adapterHandle ) );
return -1;
}
system( "PAUSE" );
return 0;
}