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service: hid: Return error if arguments of SetSupportedNpadIdType is invalid

This commit is contained in:
Narr the Reg 2023-02-07 21:10:15 -06:00
parent 1f3e8d633a
commit c27006e99d
4 changed files with 15 additions and 6 deletions
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12
src/core/hle/service/hid/controllers/npad.cpp
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@ -758,12 +758,20 @@ Core::HID::NpadStyleTag Controller_NPad::GetSupportedStyleSet() const {
return hid_core.GetSupportedStyleTag();
}
void Controller_NPad::SetSupportedNpadIdTypes(std::span<const u8> data) {
Result Controller_NPad::SetSupportedNpadIdTypes(std::span<const u8> data) {
constexpr std::size_t max_number_npad_ids = 0xa;
const auto length = data.size();
ASSERT(length > 0 && (length % sizeof(u32)) == 0);
const std::size_t elements = length / sizeof(u32);
if (elements > max_number_npad_ids) {
return InvalidArraySize;
}
supported_npad_id_types.clear();
supported_npad_id_types.resize(length / sizeof(u32));
supported_npad_id_types.resize(elements);
std::memcpy(supported_npad_id_types.data(), data.data(), length);
return ResultSuccess;
}
void Controller_NPad::GetSupportedNpadIdTypes(u32* data, std::size_t max_length) {

2
src/core/hle/service/hid/controllers/npad.h
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@ -96,7 +96,7 @@ public:
void SetSupportedStyleSet(Core::HID::NpadStyleTag style_set);
Core::HID::NpadStyleTag GetSupportedStyleSet() const;
void SetSupportedNpadIdTypes(std::span<const u8> data);
Result SetSupportedNpadIdTypes(std::span<const u8> data);
void GetSupportedNpadIdTypes(u32* data, std::size_t max_length);
std::size_t GetSupportedNpadIdTypesSize() const;

1
src/core/hle/service/hid/errors.h
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@ -18,6 +18,7 @@ constexpr Result NpadIsDualJoycon{ErrorModule::HID, 601};
constexpr Result NpadIsSameType{ErrorModule::HID, 602};
constexpr Result InvalidNpadId{ErrorModule::HID, 709};
constexpr Result NpadNotConnected{ErrorModule::HID, 710};
constexpr Result InvalidArraySize{ErrorModule::HID, 715};
constexpr Result InvalidPalmaHandle{ErrorModule::HID, 3302};
} // namespace Service::HID

6
src/core/hle/service/hid/hid.cpp
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@ -1025,13 +1025,13 @@ void Hid::SetSupportedNpadIdType(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto applet_resource_user_id{rp.Pop<u64>()};
applet_resource->GetController<Controller_NPad>(HidController::NPad)
.SetSupportedNpadIdTypes(ctx.ReadBuffer());
const auto result = applet_resource->GetController<Controller_NPad>(HidController::NPad)
.SetSupportedNpadIdTypes(ctx.ReadBuffer());
LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(result);
}
void Hid::ActivateNpad(Kernel::HLERequestContext& ctx) {