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fix: increase channel hopping time if we have both 2.4ghz and 5.0ghz capabilities

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This commit is contained in:
evilsocket 2018-02-20 15:24:10 +01:00
parent 8d0e4ed0b1
commit efeedc7558
1 changed files with 10 additions and 2 deletions
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12
modules/wifi_recon.go
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@ -377,13 +377,21 @@ func (w *WiFiRecon) updateStats(dot11 *layers.Dot11, packet gopacket.Packet) {
func (w *WiFiRecon) channelHopper() { func (w *WiFiRecon) channelHopper() {
log.Info("Channel hopper started.") log.Info("Channel hopper started.")
for w.Running() == true { for w.Running() == true {
delay := 250 * time.Millisecond
// if we have both 2.4 and 5ghz capabilities, we have
// more channels, therefore we need to increase the time
// we hop on each one otherwise me lose information
if len(w.frequencies) > 14 {
delay = 500 * time.Millisecond
}
for _, frequency := range w.frequencies { for _, frequency := range w.frequencies {
channel := mhz2chan(frequency) channel := mhz2chan(frequency)
if err := network.SetInterfaceChannel(w.Session.Interface.Name(), channel); err != nil { if err := network.SetInterfaceChannel(w.Session.Interface.Name(), channel); err != nil {
log.Warning("Error while hopping to channel %d: %s", channel, err) log.Warning("Error while hopping to channel %d: %s", channel, err)
} }
// this is the default for airodump-ng, good for them, good for us.
time.Sleep(250 * time.Millisecond) time.Sleep(delay)
if w.Running() == false { if w.Running() == false {
return return
} }