fix: added a mutex to write ops in the hid module

modules/hid/hid.go

@@ -23,6 +23,7 @@ type HIDRecon struct {
 	lastPing     time.Time
 	useLNA       bool
 	sniffLock    *sync.Mutex
+	writeLock    *sync.Mutex
 	sniffAddrRaw []byte
 	sniffAddr    string
 	pingPayload  []byte
@@ -47,6 +48,7 @@ func NewHIDRecon(s *session.Session) *HIDRecon {
 		SessionModule: session.NewSessionModule("hid", s),
 		waitGroup:     &sync.WaitGroup{},
 		sniffLock:     &sync.Mutex{},
+		writeLock:     &sync.Mutex{},
 		hopPeriod:     100 * time.Millisecond,
 		pingPeriod:    100 * time.Millisecond,
 		sniffPeriod:   500 * time.Millisecond,

modules/hid/hid_inject.go

@@ -81,6 +81,9 @@ func (mod *HIDRecon) prepInjection() (error, *network.HIDDevice, []*Command) {
 }
 
 func (mod *HIDRecon) doInjection() {
+	mod.writeLock.Lock()
+	defer mod.writeLock.Unlock()
+
 	err, dev, cmds := mod.prepInjection()
 	if err != nil {
 		mod.Error("%v", err)

modules/hid/hid_recon.go

@@ -7,6 +7,9 @@ import (
 )
 
 func (mod *HIDRecon) doHopping() {
+	mod.writeLock.Lock()
+	defer mod.writeLock.Unlock()
+
 	if mod.inPromMode == false {
 		if err := mod.dongle.EnterPromiscMode(); err != nil {
 			mod.Error("error entering promiscuous mode: %v", err)

modules/hid/hid_sniff.go

@@ -40,6 +40,9 @@ func (mod *HIDRecon) setSniffMode(mode string) error {
 }
 
 func (mod *HIDRecon) doPing() {
+	mod.writeLock.Lock()
+	defer mod.writeLock.Unlock()
+
 	if mod.inSniffMode == false {
 		if err := mod.dongle.EnterSnifferModeFor(mod.sniffAddrRaw); err != nil {
 			mod.Error("error entering sniffer mode for %s: %v", mod.sniffAddr, err)