web_browser: Add bounds checking to applet interface

src/core/core.cpp

@@ -203,6 +203,11 @@ struct System::Impl {
         // Close app loader
         app_loader.reset();
 
+        // Clear all applets
+        profile_selector.reset();
+        software_keyboard.reset();
+        web_browser.reset();
+
         LOG_DEBUG(Core, "Shutdown OK");
     }
 

src/core/hle/service/am/applets/web_browser.cpp

@@ -49,17 +49,20 @@ static_assert(sizeof(WebArgumentResult) == 0x1010, "WebArgumentResult has incorr
 
 static std::vector<u8> GetArgumentDataForTagType(const std::vector<u8>& data, u16 type) {
     WebBufferHeader header;
+    ASSERT(sizeof(WebBufferHeader) <= data.size());
     std::memcpy(&header, data.data(), sizeof(WebBufferHeader));
 
     u64 offset = sizeof(WebBufferHeader);
     for (u16 i = 0; i < header.count; ++i) {
         WebArgumentHeader arg;
+        ASSERT(offset + sizeof(WebArgumentHeader) <= data.size());
         std::memcpy(&arg, data.data() + offset, sizeof(WebArgumentHeader));
         offset += sizeof(WebArgumentHeader);
 
         if (arg.type == type) {
             std::vector<u8> out(arg.size);
             offset += arg.offset;
+            ASSERT(offset + arg.size <= data.size());
             std::memcpy(out.data(), data.data() + offset, out.size());
             return out;
         }
@@ -91,19 +94,17 @@ WebBrowser::WebBrowser() = default;
 WebBrowser::~WebBrowser() = default;
 
 void WebBrowser::Initialize() {
+    Applet::Initialize();
+
     complete = false;
     temporary_dir.clear();
     filename.clear();
     status = RESULT_SUCCESS;
 
-    Applet::Initialize();
-
     const auto web_arg_storage = broker.PopNormalDataToApplet();
     ASSERT(web_arg_storage != nullptr);
     const auto& web_arg = web_arg_storage->GetData();
 
-    LOG_CRITICAL(Service_AM, "{}", Common::HexVectorToString(web_arg));
-
     const auto url_data = GetArgumentDataForTagType(web_arg, WEB_ARGUMENT_URL_TYPE);
     filename = Common::StringFromFixedZeroTerminatedBuffer(
         reinterpret_cast<const char*>(url_data.data()), url_data.size());
@@ -133,7 +134,7 @@ ResultCode WebBrowser::GetStatus() const {
 }
 
 void WebBrowser::ExecuteInteractive() {
-    UNIMPLEMENTED_MSG(Service_AM, "Unexpected interactive data recieved!");
+    UNIMPLEMENTED_MSG("Unexpected interactive data recieved!");
 }
 
 void WebBrowser::Execute() {
@@ -147,8 +148,7 @@ void WebBrowser::Execute() {
 
     const auto& frontend{Core::System::GetInstance().GetWebBrowser()};
 
-    frontend.OpenPage(
-        filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
+    frontend.OpenPage(filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
 }
 
 void WebBrowser::UnpackRomFS() {

src/core/hle/service/hid/controllers/npad.cpp

@@ -638,10 +638,8 @@ void Controller_NPad::ClearAllControllers() {
                   });
 }
 
-u32 Controller_NPad::GetPressState() {
-    const auto res = press_state;
-    press_state = 0;
-    return res;
+u32 Controller_NPad::GetAndResetPressState() {
+    return std::exchange(press_state, 0);
 }
 
 bool Controller_NPad::IsControllerSupported(NPadControllerType controller) const {

src/core/hle/service/hid/controllers/npad.h

@@ -126,7 +126,7 @@ public:
 
     // Logical OR for all buttons presses on all controllers
     // Specifically for cheat engine and other features.
-    u32 GetPressState();
+    u32 GetAndResetPressState();
 
     static std::size_t NPadIdToIndex(u32 npad_id);
     static u32 IndexToNPad(std::size_t index);

src/core/hle/service/hid/hid.cpp

@@ -136,6 +136,10 @@ private:
 };
 
 std::shared_ptr<IAppletResource> Hid::GetAppletResource() {
+    if (applet_resource == nullptr) {
+        applet_resource = std::make_shared<IAppletResource>();
+    }
+
     return applet_resource;
 }
 

src/core/loader/nsp.h

@@ -44,7 +44,6 @@ public:
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
     ResultStatus ReadControlData(FileSys::NACP& nacp) override;
-    ResultStatus ReadDeveloper(std::string& developer) override;
     ResultStatus ReadManualRomFS(FileSys::VirtualFile& file) override;
 
 private:

src/core/loader/xci.h

@@ -44,7 +44,6 @@ public:
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
     ResultStatus ReadControlData(FileSys::NACP& control) override;
-    ResultStatus ReadDeveloper(std::string& developer) override;
     ResultStatus ReadManualRomFS(FileSys::VirtualFile& file) override;
 
 private:

src/yuzu/applets/web_browser.cpp

@@ -10,15 +10,17 @@
 #include "yuzu/applets/web_browser.h"
 #include "yuzu/main.h"
 
+#ifdef YUZU_USE_QT_WEB_ENGINE
+
 constexpr char NX_SHIM_INJECT_SCRIPT[] = R"(
     window.nx = {};
     window.nx.playReport = {};
     window.nx.playReport.setCounterSetIdentifier = function () {
-        console.log("nx.footer.setCounterSetIdentifier called - unimplemented");
+        console.log("nx.playReport.setCounterSetIdentifier called - unimplemented");
     };
 
     window.nx.playReport.incrementCounter = function () {
-        console.log("nx.footer.incrementCounter called - unimplemented");
+        console.log("nx.playReport.incrementCounter called - unimplemented");
     };
 
     window.nx.footer = {};
@@ -56,6 +58,12 @@ constexpr char NX_SHIM_INJECT_SCRIPT[] = R"(
     };
 )";
 
+QString GetNXShimInjectionScript() {
+    return QString::fromStdString(NX_SHIM_INJECT_SCRIPT);
+}
+
+NXInputWebEngineView::NXInputWebEngineView(QWidget* parent) : QWebEngineView(parent) {}
+
 void NXInputWebEngineView::keyPressEvent(QKeyEvent* event) {
     parent()->event(event);
 }
@@ -64,11 +72,7 @@ void NXInputWebEngineView::keyReleaseEvent(QKeyEvent* event) {
     parent()->event(event);
 }
 
-QString GetNXShimInjectionScript() {
-    return QString::fromStdString(NX_SHIM_INJECT_SCRIPT);
-}
-
-NXInputWebEngineView::NXInputWebEngineView(QWidget* parent) : QWebEngineView(parent) {}
+#endif
 
 QtWebBrowser::QtWebBrowser(GMainWindow& main_window) {
     connect(this, &QtWebBrowser::MainWindowOpenPage, &main_window, &GMainWindow::WebBrowserOpenPage,

src/yuzu/applets/web_browser.h

@@ -6,22 +6,30 @@
 
 #include <functional>
 #include <QObject>
+
+#ifdef YUZU_USE_QT_WEB_ENGINE
 #include <QWebEngineView>
+#endif
+
 #include "core/frontend/applets/web_browser.h"
 
 class GMainWindow;
 
+#ifdef YUZU_USE_QT_WEB_ENGINE
+
 QString GetNXShimInjectionScript();
 
 class NXInputWebEngineView : public QWebEngineView {
 public:
-    NXInputWebEngineView(QWidget* parent = nullptr);
+    explicit NXInputWebEngineView(QWidget* parent = nullptr);
 
 protected:
     void keyPressEvent(QKeyEvent* event) override;
     void keyReleaseEvent(QKeyEvent* event) override;
 };
 
+#endif
+
 class QtWebBrowser final : public QObject, public Core::Frontend::WebBrowserApplet {
     Q_OBJECT
 

src/yuzu/main.h

@@ -13,6 +13,7 @@
 
 #include "common/common_types.h"
 #include "core/core.h"
+#include "core/hle/service/acc/profile_manager.h"
 #include "ui_main.h"
 #include "yuzu/compatibility_list.h"
 #include "yuzu/hotkeys.h"
@@ -39,10 +40,6 @@ class RegisteredCacheUnion;
 class VfsFilesystem;
 } // namespace FileSys
 
-namespace Service::Account {
-struct UUID;
-} // namespace Service::Account
-
 namespace Tegra {
 class DebugContext;
 }