fix: fixed a bug with wifi.recon.channel clear when wifi.interface is…

… nil (fixes #661)
bettercap · Nov 25, 2019 · 83c6cde · 83c6cde
1 parent f986529
commit 83c6cde
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/modules/wifi/wifi.go b/modules/wifi/wifi.go
@@ -354,7 +354,9 @@ func NewWiFiModule(s *session.Session) *WiFiModule {
 
  if len(freqs) == 0 {
  mod.Debug("resetting hopping channels")
- if freqs, err = network.GetSupportedFrequencies(mod.iface.Name()); err != nil {
+ if mod.iface == nil {
+ return fmt.Errorf("wifi.interface not set or not found")
+ } else if freqs, err = network.GetSupportedFrequencies(mod.iface.Name()); err != nil {
  return err
  }
  }
@@ -452,6 +454,8 @@ func (mod *WiFiModule) Configure() error {
  ifName = mod.iface.Name()
  } else if mod.iface, err = network.FindInterface(ifName); err != nil {
  return fmt.Errorf("could not find interface %s: %v", ifName, err)
+ } else if mod.iface == nil {
+ return fmt.Errorf("could not find interface %s", ifName)
  }
 
  mod.Info("using interface %s (%s)", ifName, mod.iface.HwAddress)