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authorbunnei <bunneidev@gmail.com>2020-12-16 01:40:11 +0100
committerGitHub <noreply@github.com>2020-12-16 01:40:11 +0100
commitf3db273753e316ca18124d1a007d5f1160fb1ff0 (patch)
treeaf5144a849b8cd81a39385b0c86e9496062fcfc7 /src/core/hle
parentMerge pull request #5119 from Morph1984/fs-opendatastoragewithprogramindex (diff)
parentcontrollers/npad: Validate device handles before use (diff)
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Diffstat (limited to 'src/core/hle')
-rw-r--r--src/core/hle/service/hid/controllers/npad.cpp41
-rw-r--r--src/core/hle/service/hid/controllers/npad.h4
2 files changed, 45 insertions, 0 deletions
diff --git a/src/core/hle/service/hid/controllers/npad.cpp b/src/core/hle/service/hid/controllers/npad.cpp
index 66c4fe60a..f6a0770bf 100644
--- a/src/core/hle/service/hid/controllers/npad.cpp
+++ b/src/core/hle/service/hid/controllers/npad.cpp
@@ -116,6 +116,31 @@ u32 Controller_NPad::IndexToNPad(std::size_t index) {
}
}
+bool Controller_NPad::IsNpadIdValid(u32 npad_id) {
+ switch (npad_id) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ case NPAD_UNKNOWN:
+ case NPAD_HANDHELD:
+ return true;
+ default:
+ LOG_ERROR(Service_HID, "Invalid npad id {}", npad_id);
+ return false;
+ }
+}
+
+bool Controller_NPad::IsDeviceHandleValid(const DeviceHandle& device_handle) {
+ return IsNpadIdValid(device_handle.npad_id) &&
+ device_handle.npad_type < NpadType::MaxNpadType &&
+ device_handle.device_index < DeviceIndex::MaxDeviceIndex;
+}
+
Controller_NPad::Controller_NPad(Core::System& system) : ControllerBase(system), system(system) {}
Controller_NPad::~Controller_NPad() {
@@ -742,6 +767,10 @@ bool Controller_NPad::VibrateControllerAtIndex(std::size_t npad_index, std::size
void Controller_NPad::VibrateController(const DeviceHandle& vibration_device_handle,
const VibrationValue& vibration_value) {
+ if (!IsDeviceHandleValid(vibration_device_handle)) {
+ return;
+ }
+
if (!Settings::values.vibration_enabled.GetValue() && !permit_vibration_session_enabled) {
return;
}
@@ -798,12 +827,20 @@ void Controller_NPad::VibrateControllers(const std::vector<DeviceHandle>& vibrat
Controller_NPad::VibrationValue Controller_NPad::GetLastVibration(
const DeviceHandle& vibration_device_handle) const {
+ if (!IsDeviceHandleValid(vibration_device_handle)) {
+ return {};
+ }
+
const auto npad_index = NPadIdToIndex(vibration_device_handle.npad_id);
const auto device_index = static_cast<std::size_t>(vibration_device_handle.device_index);
return latest_vibration_values[npad_index][device_index];
}
void Controller_NPad::InitializeVibrationDevice(const DeviceHandle& vibration_device_handle) {
+ if (!IsDeviceHandleValid(vibration_device_handle)) {
+ return;
+ }
+
const auto npad_index = NPadIdToIndex(vibration_device_handle.npad_id);
const auto device_index = static_cast<std::size_t>(vibration_device_handle.device_index);
InitializeVibrationDeviceAtIndex(npad_index, device_index);
@@ -824,6 +861,10 @@ void Controller_NPad::SetPermitVibrationSession(bool permit_vibration_session) {
}
bool Controller_NPad::IsVibrationDeviceMounted(const DeviceHandle& vibration_device_handle) const {
+ if (!IsDeviceHandleValid(vibration_device_handle)) {
+ return false;
+ }
+
const auto npad_index = NPadIdToIndex(vibration_device_handle.npad_id);
const auto device_index = static_cast<std::size_t>(vibration_device_handle.device_index);
return vibration_devices_mounted[npad_index][device_index];
diff --git a/src/core/hle/service/hid/controllers/npad.h b/src/core/hle/service/hid/controllers/npad.h
index 96f319294..9fac00231 100644
--- a/src/core/hle/service/hid/controllers/npad.h
+++ b/src/core/hle/service/hid/controllers/npad.h
@@ -56,12 +56,14 @@ public:
JoyconLeft = 6,
JoyconRight = 7,
Pokeball = 9,
+ MaxNpadType = 10,
};
enum class DeviceIndex : u8 {
Left = 0,
Right = 1,
None = 2,
+ MaxDeviceIndex = 3,
};
enum class GyroscopeZeroDriftMode : u32 {
@@ -213,6 +215,8 @@ public:
static Settings::ControllerType MapNPadToSettingsType(Controller_NPad::NPadControllerType type);
static std::size_t NPadIdToIndex(u32 npad_id);
static u32 IndexToNPad(std::size_t index);
+ static bool IsNpadIdValid(u32 npad_id);
+ static bool IsDeviceHandleValid(const DeviceHandle& device_handle);
private:
struct CommonHeader {