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/* $Id$ */
#include "cardmode.hh"
int card_into_monitormode (char *device, int cardtype)
{
int datalink; /* used for getting the pcap datalink type */
char CiscoRFMON[35] = "/proc/driver/aironet/";
FILE *CISCO_CONFIG_FILE;
char errbuf[PCAP_ERRBUF_SIZE];
pcap_t *handle;
/* Checks if we have a device to sniff on */
if(device == NULL)
{
printf ("Fatal error i did not have any interfaces to sniff on\n");
return 0;
}
/* Setting the prmiscous and up flag to the interface */
if (card_set_promisc_up (device) == 0)
{
printf ("Interface flags correctly set using ifconfig\n");
}
/* Check the cardtype and executes the commands to go into monitor mode */
if (cardtype == CARD_TYPE_CISCO) /* I got a cisco card */
{
/* bring the sniffer into rfmon mode */
snprintf(CiscoRFMON, sizeof(CiscoRFMON),DEFAULT_PATH, device);
CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w");
fputs ("Mode: r",CISCO_CONFIG_FILE);
fputs ("Mode: y",CISCO_CONFIG_FILE);
fputs ("XmitPower: 1",CISCO_CONFIG_FILE);
fclose(CISCO_CONFIG_FILE);
}
else if (cardtype == CARD_TYPE_NG)
{
char wlanngcmd[62];
snprintf(wlanngcmd, sizeof(wlanngcmd),"%s %s lnxreq_wlansniff channel=1 enable=true",WLANCTL_PATH,device);
if (system (wlanngcmd) != 0)
{
printf ("\n Fatal error could not set %s in raw mode, check cardtype\n",device);
return 0;
}
}
else if (cardtype == CARD_TYPE_HOSTAP)
{
printf ("Got a host-ap card, nothing is implemented now\n");
}
/* Check the interface if it is in the correct raw mode */
handle = pcap_open_live(device, BUFSIZ, 1, 0, errbuf);
/* getting the datalink type */
datalink = pcap_datalink(handle);
if (datalink == DLT_IEEE802_11) /* Rawmode is IEEE802_11 */
{
printf ("Your successfully listen on %s in 802.11 raw mode\n",device);
pcap_close(handle);
return 0;
}
else
{
printf ("Fatal error, cannot continue, your interface %s does not work in the correct 802.11 raw mode, check you driver please\n",device);
pcap_close(handle);
return 0;
}
}
int card_set_promisc_up (char * device)
{
int ret;
char ifconfigcmd[32];
snprintf(ifconfigcmd,sizeof(ifconfigcmd),SBIN_PATH, device);
ret = system (ifconfigcmd);
if (ret > 0)
{
printf ("\nFatal error, could not execute %s please check your card,binary location and permission\n",ifconfigcmd);
return 0;
}
return 1;
}
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