add window extension client fuzz test

Signed-off-by: shenguiming <shenguiming5@h-partners.com>

test/fuzztest/window_scene/BUILD.gn

@@ -21,5 +21,6 @@ group("fuzztest") {
     "screensessionmgrstubstate_fuzzer:fuzztest",
     "screensessionmgrstubwake_fuzzer:fuzztest",
     "sessioninterface_fuzzer:fuzztest",
+    "windowextensionclstub_fuzzer:fuzztest",
   ]
 }

test/fuzztest/window_scene/windowextensionclstub_fuzzer/BUILD.gn

@@ -0,0 +1,64 @@
+# Copyright (c) 2024 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//build/config/features.gni")
+import("//build/test.gni")
+import("../../../../windowmanager_aafwk.gni")
+
+module_output_path = "window_manager/window_manager"
+
+##############################fuzztest##########################################
+ohos_fuzztest("WindowExtensionClStubFuzzTest") {
+  fuzz_config_file = "."
+  module_out_path = module_output_path
+
+  include_dirs = [
+    "${window_base_path}/window_scene/session_manager/include",
+    "${window_base_path}/extension/extension_connection/include",
+    "${window_base_path}/extension/extension_connection/include/zidl",
+    "${window_base_path}/extension/window_extension/include",
+    "${window_base_path}/extension/window_extension/include/zidl",
+    "${window_base_path}/interfaces/innerkits/extension",
+  ]
+  cflags = [
+    "-g",
+    "-O0",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "windowextensionclstub_fuzzer.cpp" ]
+  deps = [
+    "${window_base_path}/extension/window_extension:libwindow_extension",
+    "${window_base_path}/utils:libwmutil",
+    "${window_base_path}/window_scene/session:scene_session",
+    "${window_base_path}/window_scene/session_manager:session_manager",
+    "${window_base_path}/extension/extension_connection:libwindow_extension_client",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "hilog:libhilog",
+    "ipc:ipc_single",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = []
+
+  deps += [
+    # deps file
+    ":WindowExtensionClStubFuzzTest",
+  ]
+}
+###############################################################################

test/fuzztest/window_scene/windowextensionclstub_fuzzer/corpus/init

@@ -0,0 +1,14 @@
+# Copyright (c) 2024 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FUZZ

test/fuzztest/window_scene/windowextensionclstub_fuzzer/project.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2024 Huawei Device Co., Ltd.
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<fuzz_config>
+  <fuzztest>
+    <!-- maximum length of a test input -->
+    <max_len>1000</max_len>
+    <!-- maximum total time in seconds to run the fuzzer -->
+    <max_total_time>300</max_total_time>
+    <!-- memory usage limit in Mb -->
+    <rss_limit_mb>4096</rss_limit_mb>
+  </fuzztest>
+</fuzz_config>

test/fuzztest/window_scene/windowextensionclstub_fuzzer/windowextensionclstub_fuzzer.cpp

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cstddef>
+#include <cstdint>
+#include <parcel.h>
+#include <securec.h>
+
+#include <iremote_stub.h>
+#include "message_option.h"
+#include "message_parcel.h"
+#include "marshalling_helper.h"
+#include "window_extension_client_interface.h"
+#include "window_extension_client_stub.h"
+#include "window_extension_client_stub_impl.h"
+#include "windowextensionclstub_fuzzer.h"
+
+using namespace OHOS::Rosen;
+
+namespace OHOS {
+namespace {
+    constexpr size_t DATA_MIN_SIZE = 2;
+}
+
+bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
+{
+    if (data == nullptr || size < DATA_MIN_SIZE) {
+        return false;
+    }
+    
+    MessageParcel parcel;
+    MessageParcel reply;
+    MessageOption option;
+
+    parcel.WriteInterfaceToken(WindowExtensionClientStub::GetDescriptor());
+    parcel.WriteBuffer(data, size);
+    parcel.RewindRead(0);
+    sptr<IWindowExtensionCallback> componentCallback;
+    std::shared_ptr<WindowExtensionClientStubImpl> extensionStubClient = std::make_shared<WindowExtensionClientStubImpl>(componentCallback);
+    extensionStubClient->OnRemoteRequest(
+        static_cast<uint32_t>(IWindowExtensionClient::TRANS_ID_ON_WINDOW_READY),
+        parcel, reply, option);
+    extensionStubClient->OnRemoteRequest(
+        static_cast<uint32_t>(IWindowExtensionClient::TRANS_ID_ON_BACK_PRESS),
+        parcel, reply, option);
+    extensionStubClient->OnRemoteRequest(
+        static_cast<uint32_t>(IWindowExtensionClient::TRANS_ID_ON_KEY_EVENT),
+        parcel, reply, option);
+    extensionStubClient->OnRemoteRequest(
+        static_cast<uint32_t>(IWindowExtensionClient::TRANS_ID_ON_POINTER_EVENT),
+        parcel, reply, option);
+    return true;
+}
+} // namespace.OHOS
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DoSomethingInterestingWithMyAPI(data, size);
+    return 0;
+}

test/fuzztest/window_scene/windowextensionclstub_fuzzer/windowextensionclstub_fuzzer.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TEST_FUZZTEST_WINDOW_EXTENSIONCL_STUB_FUZZER_H
+#define TEST_FUZZTEST_WINDOW_EXTENSIONCL_STUB_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "windowextensionclstub_fuzzer"
+
+#endif