bool ListHookedPointing::Item::restoreEventAction(void) {
if (!device_) return false;
IOHIPointing* pointing = OSDynamicCast(IOHIPointing, device_);
if (!pointing) return false;
bool result = false;
// ----------------------------------------
{
RelativePointerEventCallback callback = reinterpret_cast<RelativePointerEventCallback>(pointing->_relativePointerEventAction);
if (callback == EventInputQueue::push_RelativePointerEventCallback) {
IOLOG_DEBUG("HookedPointing::restoreEventAction (RelativePointerEventCallback) device_:%p (%p -> %p)\n",
device_, callback, orig_relativePointerEventAction_);
pointing->_relativePointerEventAction = reinterpret_cast<RelativePointerEventAction>(orig_relativePointerEventAction_);
result = true;
}
}
{
ScrollWheelEventCallback callback = reinterpret_cast<ScrollWheelEventCallback>(pointing->_scrollWheelEventAction);
if (callback == EventInputQueue::push_ScrollWheelEventCallback) {
IOLOG_DEBUG("HookedPointing::restoreEventAction (ScrollWheelEventCallback) device_:%p (%p -> %p)\n",
device_, callback, orig_scrollWheelEventTarget_);
pointing->_scrollWheelEventAction = reinterpret_cast<ScrollWheelEventAction>(orig_scrollWheelEventAction_);
result = true;
}
}
orig_relativePointerEventAction_ = nullptr;
orig_scrollWheelEventAction_ = nullptr;
orig_relativePointerEventTarget_ = nullptr;
orig_scrollWheelEventTarget_ = nullptr;
return result;
}
bool IOHIKeyboard_gIOTerminatedNotification_callback(void* target, void* refCon, IOService* newService, IONotifier* notifier) {
GlobalLock::ScopedLock lk;
if (!lk) return false;
IOLOG_DEBUG("%s newService:%p\n", __FUNCTION__, newService);
IOHIDevice* device = OSDynamicCast(IOHIKeyboard, newService);
if (!device) return false;
ListHookedKeyboard::instance().erase(device);
ListHookedConsumer::instance().erase(device);
return true;
}
bool
IOHIPointing_gIOMatchedNotification_callback(void* target, void* refCon, IOService* newService, IONotifier* notifier)
{
GlobalLock::ScopedLock lk;
if (! lk) return false;
IOLOG_DEBUG("%s newService:%p\n", __FUNCTION__, newService);
IOHIDevice* device = OSDynamicCast(IOHIPointing, newService);
if (! device) return false;
ListHookedPointing::instance().push_back(new ListHookedPointing::Item(device));
return true;
}
bool
notifierfunc_unhookKeyboard(void* target, void* refCon, IOService* newService, IONotifier* notifier)
{
IOLockWrapper::ScopedLock lk_eventlock(CommonData::getEventLock());
IOLOG_DEBUG("notifierfunc_unhookKeyboard newService:%p\n", newService);
IOHIDevice* device = OSDynamicCast(IOHIKeyboard, newService);
if (! device) return false;
ListHookedKeyboard::instance().erase(device);
ListHookedConsumer::instance().erase(device);
return true;
}
void
ListHookedDevice::Item::setVendorProduct(void)
{
if (! device_) return;
IORegistryEntry* dev = device_;
while (dev) {
const OSNumber* vid = NULL;
vid = OSDynamicCast(OSNumber, dev->getProperty(kIOHIDVendorIDKey));
const OSNumber* pid = NULL;
pid = OSDynamicCast(OSNumber, dev->getProperty(kIOHIDProductIDKey));
if (vid && pid) {
vendor_ = vid->unsigned32BitValue();
product_ = pid->unsigned32BitValue();
goto finish;
} else {
// ApplePS2Keyboard does not have ProductID,
// so we check for Manufacturer and Product strings
const char* name = dev->getName();
if (name && strcmp(name, "ApplePS2Keyboard") == 0) {
// kIOHIDManufacturerKey == "Manufacturer"
// kIOHIDProductKey == "Product"
const OSString* manufacturer = OSDynamicCast(OSString, dev->getProperty(kIOHIDManufacturerKey));
const OSString* product = OSDynamicCast(OSString, dev->getProperty(kIOHIDProductKey));
if (manufacturer && product) {
if (manufacturer->isEqualTo("Apple") &&
product->isEqualTo("Keyboard")) {
vendor_ = DeviceVendor::APPLE_COMPUTER;
product_ = DeviceProduct::APPLE_INTERNAL_KEYBOARD_TRACKPAD_0x0218;
goto finish;
}
}
}
}
// check parent property.
dev = dev->getParentEntry(IORegistryEntry::getPlane(kIOServicePlane));
}
finish:
IOLOG_DEBUG("HookedDevice::setVendorProduct device_:%p, vendor_:0x%04x, product_:0x%04x\n", device_, vendor_.get(), product_.get());
}
bool
ListHookedConsumer::Item::replaceEventAction(void)
{
if (! device_) return false;
IOHIKeyboard* kbd = OSDynamicCast(IOHIKeyboard, device_);
if (! kbd) return false;
KeyboardSpecialEventCallback callback = reinterpret_cast<KeyboardSpecialEventCallback>(kbd->_keyboardSpecialEventAction);
if (callback == EventInputQueue::push_KeyboardSpecialEventCallback) return false;
// ------------------------------------------------------------
IOLOG_DEBUG("HookedConsumer::replaceEventAction device_:%p\n", device_);
orig_keyboardSpecialEventAction_ = callback;
orig_keyboardSpecialEventTarget_ = kbd->_keyboardSpecialEventTarget;
kbd->_keyboardSpecialEventAction = reinterpret_cast<KeyboardSpecialEventAction>(EventInputQueue::push_KeyboardSpecialEventCallback);
return true;
}
bool
ListHookedConsumer::Item::restoreEventAction(void)
{
IOLockWrapper::ScopedLock lk(replacerestore_lock_);
if (! lk) return false;
if (! device_) return false;
IOHIKeyboard* kbd = OSDynamicCast(IOHIKeyboard, device_);
if (! kbd) return false;
KeyboardSpecialEventCallback callback = reinterpret_cast<KeyboardSpecialEventCallback>(kbd->_keyboardSpecialEventAction);
if (callback != EventInputQueue::push_KeyboardSpecialEventCallback) return false;
// ----------------------------------------
IOLOG_DEBUG("HookedConsumer::restoreEventAction device_:%p\n", device_);
kbd->_keyboardSpecialEventAction = reinterpret_cast<KeyboardSpecialEventAction>(orig_keyboardSpecialEventAction_);
orig_keyboardSpecialEventAction_ = NULL;
orig_keyboardSpecialEventTarget_ = NULL;
return true;
}
// ======================================================================
void EventInputQueue::push_KeyboardEventCallback(OSObject* target,
unsigned int eventType,
unsigned int flags,
unsigned int key,
unsigned int charCode,
unsigned int charSet,
unsigned int origCharCode,
unsigned int origCharSet,
unsigned int keyboardType,
bool repeat,
AbsoluteTime ts,
OSObject* sender,
void* refcon) {
GlobalLock::ScopedLock lk;
if (!lk) return;
Params_KeyboardEventCallBack::log(true, EventType(eventType), Flags(flags), KeyCode(key), KeyboardType(keyboardType), repeat);
// ------------------------------------------------------------
// Ignore unknown modifiers
//
// You can confirm an unknown modifier by setting key code to 255 on Seil.
// This event also will be sent by Fn key on Leopold FC660M.
//
// KeyboardEventCallback [ caught]: eventType 12, flags 0x80000000, key 0x00ff, kbdType 43, repeat = 0
//
// This key sends the same event at key pressing and key releasing.
// Therefore, we cannot recognize whether key is pressed or key is released.
// So, we have to ignore this key for PressingPhysicalKeys.
//
if (EventType::MODIFY == EventType(eventType)) {
if (KeyCode(key).getModifierFlag() == ModifierFlag::ZERO) {
IOLOG_DEBUG("An unknown modifier is pressed (KeyCode:0x%x, Flags:0x%x). Ignore it.\n", key, flags);
return;
}
}
// ------------------------------------------------------------
KeyboardType newkeyboardtype(keyboardType);
RemapClassManager::remap_setkeyboardtype(newkeyboardtype);
KeyCode newkey(key);
Flags newflags(flags);
KeyCode::normalizeKey(newkey, newflags, EventType(eventType), newkeyboardtype);
// ------------------------------------------------------------
Params_KeyboardEventCallBack params(EventType(eventType),
newflags,
newkey,
CharCode(charCode),
CharSet(charSet),
OrigCharCode(origCharCode),
OrigCharSet(origCharSet),
newkeyboardtype,
repeat);
// ------------------------------------------------------------
IOHIKeyboard* device = OSDynamicCast(IOHIKeyboard, sender);
if (!device) return;
ListHookedKeyboard::Item* item = static_cast<ListHookedKeyboard::Item*>(ListHookedKeyboard::instance().get(device));
if (!item) return;
// ------------------------------------------------------------
// Device Hacks
// Drop events if "Disable an internal keyboard while external keyboards are connected" is enabled.
if (Config::get_essential_config(BRIDGE_ESSENTIAL_CONFIG_INDEX_general_disable_internal_keyboard_if_external_keyboard_exsits)) {
if (item->isInternalDevice() &&
ListHookedKeyboard::instance().isExternalDevicesConnected()) {
return;
}
}
// Logitech Cordless Presenter (LCP) Hack
//
// When an LCP is first plugged in, it will send a CONTROL_L down event
// when the first pageup/pagedown key is pressed without sending a corresponding
// up event -- effectively rendering the device (and the Mac) useless until it is
// unplugged from the system.
//
// Similarly, when the volume keys are first pressed, a SHIFT_L down event
// is generated, with now up event.
//
// This code effectively throws these events away if they are received from an LCP.
//
// *** LCP has 6 keys (Page Up, Page Down, a 'B' key, an 'Esc' key, and volume up / down keys). ***
// *** So, we can drop CONTROL_L and SHIFT_L without a problem. ***
if ((item->getDeviceIdentifier()).isEqualVendorProduct(DeviceVendor::LOGITECH, DeviceProduct::LOGITECH_CORDLESS_PRESENTER)) {
if (params.key == KeyCode::CONTROL_L) return;
if (params.key == KeyCode::SHIFT_L) return;
}
// ------------------------------------------------------------
// NumLock Hacks
//
// As for some keypads, NumLock is off when it was connected.
// We need to call setAlphaLock(true) to activate a device.
RemapClassManager::remap_forcenumlockon(item);
// ------------------------------------------------------------
CommonData::setcurrent_ts(ts);
// ------------------------------------------------------------
// Because we handle the key repeat ourself, drop the key repeat by hardware.
if (repeat) return;
// ------------------------------------------------------------
bool retainFlagStatusTemporaryCount = false;
bool push_back = true;
bool isSimultaneousKeyPressesTarget = true;
enqueue_(params, retainFlagStatusTemporaryCount, item->getDeviceIdentifier(), push_back, isSimultaneousKeyPressesTarget);
setTimer();
}
void ListHookedDevice::Item::setDeviceType(void) {
if (!device_) return;
const char* name = nullptr;
name = device_->getName();
if (!name) goto finish;
// Apple device
if (strcmp(name, "IOHIDKeyboard") == 0 ||
strcmp(name, "AppleADBKeyboard") == 0 ||
strcmp(name, "IOHIDConsumer") == 0 ||
strcmp(name, "IOHIDPointing") == 0 ||
strcmp(name, "ApplePS2Mouse") == 0 ||
strcmp(name, "ApplePS2Trackpad") == 0 ||
strcmp(name, "AppleUSBGrIIITrackpad") == 0 ||
strcmp(name, "AppleADBMouseType4") == 0) {
deviceType_ = DeviceType::APPLE_EXTERNAL;
// ------------------------------------------------------------
// Judge internal device or external device.
//
// We judge it from a product name whether it is internal device.
// At keyboard, we cannot use the KeyboardType,
// because some external keyboard has the same KeyboardType as Apple internal keyboard.
const OSString* productname = nullptr;
productname = OSDynamicCast(OSString, device_->getProperty(kIOHIDProductKey));
if (productname) {
const char* pname = productname->getCStringNoCopy();
if (pname) {
const char* internalname = "Apple Internal ";
if (strncmp(internalname, pname, strlen(internalname)) == 0) {
deviceType_ = DeviceType::APPLE_INTERNAL;
}
const char* mikeyname = "Apple Mikey HID Driver";
if (strcmp(mikeyname, pname) == 0) {
deviceType_ = DeviceType::APPLE_MIKEY_HID_DRIVER;
}
}
}
goto finish;
}
if (strcmp(name, "ApplePS2Keyboard") == 0) {
deviceType_ = DeviceType::APPLE_INTERNAL;
goto finish;
}
// USB Overdrive
if (strcmp(name, "OverdriveHIDKeyboard") == 0 ||
strcmp(name, "OverdriveHIDPointer") == 0) {
deviceType_ = DeviceType::USB_OVERDRIVE;
goto finish;
}
finish:
IOLOG_DEBUG("HookedDevice::setDeviceType device_:%p, name:%s, deviceType_:%d\n",
device_,
name ? name : "null",
deviceType_);
}
ListHookedConsumer::Item::~Item(void)
{
IOLOG_DEBUG("ListHookedConsumer::Item::~Item()\n");
restoreEventAction();
}
// ----------------------------------------
static void log(bool isCaught, Flags flags) {
IOLOG_DEBUG("UpdateEventFlagsCallback [%7s]: flags 0x%08x\n",
isCaught ? "caught" : "sending",
flags.get());
}
// ----------------------------------------
static void log(bool isCaught, EventType eventType, Flags flags, KeyCode key, KeyboardType keyboardType, bool repeat) {
IOLOG_DEBUG("KeyboardEventCallback [%7s]: eventType %2d, flags 0x%08x, key 0x%04x, kbdType %3d, repeat = %d\n",
isCaught ? "caught" : "sending",
eventType.get(), flags.get(), key.get(), keyboardType.get(), repeat);
}
// ----------------------------------------
static void log(bool isCaught, EventType eventType, Flags flags, ConsumerKeyCode key, unsigned int flavor, UInt64 guid, bool repeat) {
IOLOG_DEBUG("KeyboardSpecialEventCallBack [%7s]: eventType %2d, flags 0x%08x, key 0x%04x, flavor %4d, guid %lld, repeat = %d\n",
isCaught ? "caught" : "sending",
eventType.get(), flags.get(), key.get(), flavor, guid, repeat);
}
ListHookedKeyboard::Item::~Item(void) {
IOLOG_DEBUG("ListHookedKeyboard::Item::~Item()\n");
restoreEventAction();
}
ListHookedConsumer::Item::~Item(void)
{
IOLOG_DEBUG("ListHookedConsumer::Item::~Item()\n");
restoreEventAction();
IOLockWrapper::free(replacerestore_lock_);
}
ListHookedPointing::Item::~Item(void)
{
IOLOG_DEBUG("ListHookedPointing::Item::~Item()\n");
restoreEventAction();
}