#include <stdlib.h>
#include <stdio.h>
#include <pcap.h>
int main(int argc, char **argv)
{
pcap_t *fp;
char errbuf[PCAP_ERRBUF_SIZE];
u_char packet[100];
int i;
/* Check the validity of the command line */
if (argc != 2)
{
printf("usage: %s interface (e.g. 'rpcap://eth0')", argv[0]);
return 0;
}
/* Open the output device */
if ( (fp= pcap_open(argv[1], // name of the device
100, // portion of the packet to
capture (only the first 100 bytes)
PCAP_OPENFLAG_PROMISCUOUS, // promiscuous mode
1000, // read timeout
NULL, // authentication on the
remote machine
errbuf // error buffer
) ) == NULL)
{
fprintf(stderr,"\nUnable to open the adapter. %s is not
supported by WinPcap\n", argv[1]);
return 0;
}
/* Supposing to be on ethernet, set mac destination to 1:1:1:1:1:1
*/
packet[0]=1;
packet[1]=1;
packet[2]=1;
packet[3]=1;
packet[4]=1;
packet[5]=1;
/* set mac source to 2:2:2:2:2:2 */
packet[6]=2;
packet[7]=2;
packet[8]=2;
packet[9]=2;
packet[10]=2;
packet[11]=2;
/* Fill the rest of the packet */
for(i=12;i<100;i++)
{
packet[i]=(u_char)i;
}
/* Send down the packet */
if (pcap_sendpacket(fp, packet, 100 /* size */) != 0)
{
fprintf(stderr,"\nError sending the packet: %s\n",
pcap_geterr(fp));
return 0;
}
return 0;
}
Dieser Code lässt sich nicht kompilieren; Fehlermeldung:
PCAP_OPENFLAG_PROMISCUOUS was not declared in this scope
pcap_open was not declared in this scope
Ich hab die Libs installiert, was man wohl schon daran sieht, dass er an
sonsten den Code schluckt.
Woran liegts also?
