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fix: pruning HID devices after 10 minutes of inactivity

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evilsocket 2019-03-17 18:41:19 +01:00
commit b7c6e61428
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1 changed files with 21 additions and 0 deletions
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21
modules/hid/hid_recon.go
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@ -61,6 +61,25 @@ func (mod *HIDRecon) onDeviceDetected(buf []byte) {
} }
} }
var maxDeviceTTL = 10 * time.Minute
func (mod *HIDRecon) devPruner() {
mod.waitGroup.Add(1)
defer mod.waitGroup.Done()
mod.Debug("devices pruner started.")
for mod.Running() {
for _, dev := range mod.Session.HID.Devices() {
sinceLastSeen := time.Since(dev.LastSeen)
if sinceLastSeen > maxDeviceTTL {
mod.Debug("device %s not seen in %s, removing.", dev.Address, sinceLastSeen)
mod.Session.HID.Remove(dev.Address)
}
}
time.Sleep(30 * time.Second)
}
}
func (mod *HIDRecon) Start() error { func (mod *HIDRecon) Start() error {
if err := mod.Configure(); err != nil { if err := mod.Configure(); err != nil {
return err return err
@ -70,6 +89,8 @@ func (mod *HIDRecon) Start() error {
mod.waitGroup.Add(1) mod.waitGroup.Add(1)
defer mod.waitGroup.Done() defer mod.waitGroup.Done()
go mod.devPruner()
mod.Info("hopping on %d channels every %s", nrf24.TopChannel, mod.hopPeriod) mod.Info("hopping on %d channels every %s", nrf24.TopChannel, mod.hopPeriod)
for mod.Running() { for mod.Running() {
if mod.isSniffing() { if mod.isSniffing() {