QString MySniff::get_current_channels(void)
{
QString chn("");
uint16_t *freqs;
freqs=current_freq();
if (freqs!=NULL){
while (*freqs!=0){
chn.append(QString::number(ieee80211mhz2chan(*freqs)));
freqs++;
if (*freqs!=0){
chn.append(",");
}
}
}
return chn;
}
uint16_t radiotap_get(struct pkg_util_info *rd,const u_char *packet,uint32_t len)
{
struct ieee80211_radiotap_header *radiotap;
struct ieee80211_radiotap_iterator iterator;
radiotap=(struct ieee80211_radiotap_header *)packet;
if (radiotap->it_version>PKTHDR_RADIOTAP_VERSION){
return 0;
}
if (radiotap->it_len<8 || radiotap->it_len>len){
return 0;
}
ieee80211_radiotap_iterator_init(&iterator,radiotap,radiotap->it_len);
while (ieee80211_radiotap_iterator_next(&iterator)>=0){
switch (iterator.this_arg_index){
case IEEE80211_RADIOTAP_TSFT:
rd->Tsft=(uint64_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_FLAGS:
rd->Flag=(uint8_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_RATE:
rd->Rate=(uint8_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_CHANNEL:
rd->Channel=(uint8_t)ieee80211mhz2chan((uint32_t)((iterator.this_arg[1])*256+(iterator.this_arg[0]))) | 0x80;
break;
case IEEE80211_RADIOTAP_FHSS:
rd->Fhss=(uint8_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
rd->Antenna_signal=(uint8_t)*iterator.this_arg-256;
break;
case IEEE80211_RADIOTAP_DBM_ANTNOISE:
rd->Antenna_noise=(uint8_t)*iterator.this_arg-256;
break;
case IEEE80211_RADIOTAP_LOCK_QUALITY:
rd->Lock_quality=(uint16_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_TX_ATTENUATION:
rd->Tx_attenuation=(uint16_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_DB_TX_ATTENUATION:
rd->Db_tx_attenuation=(uint16_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_DBM_TX_POWER:
rd->Dbm_tx_power=(int)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_ANTENNA:
rd->Antenna=(uint8_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
rd->Db_antenna_signal=(uint8_t)*iterator.this_arg;
break;
case IEEE80211_RADIOTAP_DB_ANTNOISE:
rd->Db_antenna_noise=(uint8_t)*iterator.this_arg;
break;
}
}
return radiotap->it_len;
}
