/* * Set card modes for sniffing * * $Id$ */ #include "cardmode.hh" /* main card into monitor function */ int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype) { char CiscoRFMON[35] = "/proc/driver/aironet/"; FILE *CISCO_CONFIG_FILE; pcap_t *handle = (pcap_t*)orighandle; /* Checks if we have a device to sniff on */ if(device == NULL) { wl_logerr("No device given"); return 0; } /* Setting the prmiscous and up flag to the interface */ if (!card_set_promisc_up(device)) { wl_logerr("Cannot set interface to promisc mode: %s", strerror(errno)); return 0; } wl_loginfo("Interface set to promisc mode"); /* Check the cardtype and executes the commands to go into monitor mode */ if (cardtype == CARD_TYPE_CISCO) { /* bring the sniffer into rfmon mode */ snprintf(CiscoRFMON, sizeof(CiscoRFMON), DEFAULT_PATH, device); if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL) { wl_logerr("Cannot open config file: %s", strerror(errno)); return 0; } 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) { wl_logerr("Could not set %s in raw mode, check cardtype", device); return 0; } } else if (cardtype == CARD_TYPE_HOSTAP) { wl_logerr("Got a host-ap card, nothing is implemented now"); } return 1; } /* Set card into promisc mode */ int card_set_promisc_up (const char *device) { char ifconfigcmd[32]; int retval=0; snprintf(ifconfigcmd, sizeof(ifconfigcmd), SBIN_PATH, device); retval = system(ifconfigcmd); if(retval != 0) return 0; return 1; }