!808 add stub fuzz testcases

Merge pull request !808 from wangpggg/master

test/fuzztest/BUILD.gn

@@ -29,5 +29,6 @@ group("user_file_service_fuzz_test") {
     "externalfileaccessrename_fuzzer:ExternalFileAccessRenameFuzzTest",
     "externalfileaccessscanfile_fuzzer:ExternalFileAccessScanFileFuzzTest",
     "fileaccessextstub_fuzzer:FileAccessExtStubFuzzTest",
+    "fileaccessservicestub_fuzzer:FileAccessServiceStubFuzzTest",
   ]
 }

test/fuzztest/fileaccessextstub_fuzzer/fileaccessextstub_fuzzer.cpp

@@ -45,7 +45,7 @@ bool OnRemoteRequestFuzzTest(shared_ptr<FileAccessExtStub> fileAccessExtStub, co
         return true;
     }
 
-    uint32_t code = reinterpret_cast<uint32_t>(data);
+    uint32_t code = TypeCast<uint32_t>(data);
     MessageParcel msg;
     msg.WriteInterfaceToken(FileAccessExtStub::GetDescriptor());
     MessageParcel reply;
@@ -160,8 +160,8 @@ bool CmdRenameFuzzTest(shared_ptr<FileAccessExtStub> fileAccessExtStub, const ui
 
 bool CmdListFileFuzzTest(shared_ptr<FileAccessExtStub> fileAccessExtStub, const uint8_t *data, size_t size)
 {
-    size_t minSize = sizeof(int64_t) + sizeof(int32_t) + sizeof(int64_t) + sizeof(int64_t) + sizeof(int64_t)
-        + sizeof(double) + sizeof(bool) + sizeof(bool);
+    size_t minSize = sizeof(int64_t) + sizeof(int32_t) + sizeof(int64_t) + sizeof(int64_t) + sizeof(int64_t) +
+        sizeof(double) + sizeof(bool) + sizeof(bool);
     if (data == nullptr || size < minSize) {
         return true;
     }
@@ -210,8 +210,8 @@ bool CmdListFileFuzzTest(shared_ptr<FileAccessExtStub> fileAccessExtStub, const
 
 bool CmdScanFileFuzzTest(shared_ptr<FileAccessExtStub> fileAccessExtStub, const uint8_t *data, size_t size)
 {
-    size_t minSize = sizeof(int64_t) + sizeof(int64_t) + sizeof(int32_t) + sizeof(int64_t) + sizeof(int64_t)
-        + sizeof(int64_t) + sizeof(double) + sizeof(bool) + sizeof(bool);
+    size_t minSize = sizeof(int64_t) + sizeof(int64_t) + sizeof(int32_t) + sizeof(int64_t) + sizeof(int64_t) +
+        sizeof(int64_t) + sizeof(double) + sizeof(bool) + sizeof(bool);
     if (data == nullptr || size < minSize) {
         return true;
     }

test/fuzztest/fileaccessservicestub_fuzzer/BUILD.gn

@@ -0,0 +1,55 @@
+# 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.
+
+#####################hydra-fuzz###################
+import("//build/config/features.gni")
+import("//build/test.gni")
+import("//foundation/filemanagement/user_file_service/filemanagement_aafwk.gni")
+ohos_fuzztest("FileAccessServiceStubFuzzTest") {
+  module_out_path = "user_file_service/user_file_service"
+  fuzz_config_file =
+      "${user_file_service_path}/test/fuzztest/fileaccessservicestub_fuzzer"
+  include_dirs = [
+    "${ability_runtime_path}/interfaces/inner_api/ability_manager/include",
+    "${user_file_service_path}/interfaces/inner_api/file_access/include",
+    "${user_file_service_path}/services/native/file_access_service/include",
+    "${user_file_service_path}/interfaces/kits/js/src/common",
+    "${user_file_service_path}/utils",
+  ]
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [
+    "${user_file_service_path}/services/native/file_access_service/src/file_access_service_stub.cpp",
+    "${user_file_service_path}/test/fuzztest/fileaccessservicestub_fuzzer/fileaccessservicestub_fuzzer.cpp",
+  ]
+
+  external_deps = [
+    "ability_base:want",
+    "ability_base:zuri",
+    "ability_runtime:app_context",
+    "ability_runtime:extensionkit_native",
+    "access_token:libaccesstoken_sdk",
+    "bundle_framework:appexecfwk_core",
+    "c_utils:utils",
+    "hilog:libhilog",
+    "hitrace:hitrace_meter",
+    "ipc:ipc_core",
+    "napi:ace_napi",
+  ]
+
+  defines = [ "private=public" ]
+}

test/fuzztest/fileaccessservicestub_fuzzer/corpus/init

@@ -0,0 +1,16 @@
+/*
+ * 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/fileaccessservicestub_fuzzer/fileaccessservicemock.h

@@ -0,0 +1,38 @@
+/*
+ * 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 FILE_ACCESS_SERVICE_MOCK_H
+#define FILE_ACCESS_SERVICE_MOCK_H
+
+#include "file_access_service_stub.h"
+
+namespace OHOS {
+namespace FileAccessFwk {
+class FileAccessServiceMock final : public FileAccessServiceStub {
+public:
+    virtual ~FileAccessServiceMock() = default;
+
+    virtual int32_t OnChange(Uri uri, NotifyType notifyType) override { return 0; }
+    virtual int32_t RegisterNotify(Uri uri, bool notifyForDescendants, const sptr<IFileAccessObserver> &observer,
+        const std::shared_ptr<ConnectExtensionInfo> &info) override { return 0; }
+    virtual int32_t UnregisterNotify(Uri uri, const sptr<IFileAccessObserver> &observer,
+        const std::shared_ptr<ConnectExtensionInfo> &info) override { return 0; }
+    virtual int32_t GetExensionProxy(const std::shared_ptr<ConnectExtensionInfo> &info,
+        sptr<IFileAccessExtBase> &extensionProxy) override { return 0; }
+    virtual int32_t CleanAllNotify(Uri uri, const std::shared_ptr<ConnectExtensionInfo> &info) override { return 0; }
+};
+} // namespace FileAccessFwk
+} // namespace OHOS
+#endif // FILE_ACCESS_SERVICE_MOCK_H

test/fuzztest/fileaccessservicestub_fuzzer/fileaccessservicestub_fuzzer.cpp

@@ -0,0 +1,135 @@
+/*
+ * 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 "fileaccessservicestub_fuzzer.h"
+
+#include <cstring>
+#include <memory>
+
+#include "extension_context.h"
+#include "file_access_service_stub.h"
+#include "fileaccessservicemock.h"
+#include "message_parcel.h"
+
+namespace OHOS {
+using namespace std;
+using namespace FileAccessFwk;
+
+template<class T>
+T TypeCast(const uint8_t *data, int *pos = nullptr)
+{
+    if (pos) {
+        *pos += sizeof(T);
+    }
+    return *(reinterpret_cast<const T*>(data));
+}
+
+bool OnRemoteRequestFuzzTest(shared_ptr<FileAccessServiceStub> fileAccessServiceStub, const uint8_t *data, size_t size)
+{
+    if (data == nullptr || size < sizeof(uint32_t)) {
+        return true;
+    }
+
+    uint32_t code = TypeCast<uint32_t>(data);
+    MessageParcel msg;
+    msg.WriteInterfaceToken(FileAccessServiceStub::GetDescriptor());
+    MessageParcel reply;
+    MessageOption option;
+
+    fileAccessServiceStub->OnRemoteRequest(code, msg, reply, option);
+    return true;
+}
+
+ErrCode CmdOnChangeFuzzTest(shared_ptr<FileAccessServiceStub> fileAccessServiceStub, const uint8_t *data, size_t size)
+{
+    if (data == nullptr || size < sizeof(uint32_t)) {
+        return true;
+    }
+
+    int pos = 0;
+    int32_t notifyType = TypeCast<int32_t>(data, &pos);
+    Uri uri(string(reinterpret_cast<const char*>(data + pos), size - pos));
+
+    MessageParcel msg;
+    MessageParcel reply;
+    msg.WriteParcelable(&uri);
+    msg.WriteInt32(notifyType);
+
+    fileAccessServiceStub->CmdOnChange(msg, reply);
+    return FileAccessFwk::ERR_OK;
+}
+
+ErrCode CmdRegisterNotifyFuzzTest(shared_ptr<FileAccessServiceStub> fileAccessServiceStub, const uint8_t *data,
+    size_t size)
+{
+    Uri uri(string(reinterpret_cast<const char*>(data), size));
+
+    MessageParcel msg;
+    MessageParcel reply;
+    msg.WriteParcelable(&uri);
+
+    fileAccessServiceStub->CmdOnChange(msg, reply);
+    return FileAccessFwk::ERR_OK;
+}
+
+ErrCode CmdUnregisterNotifyFuzzTest(shared_ptr<FileAccessServiceStub> fileAccessServiceStub, const uint8_t *data,
+    size_t size)
+{
+    if (data == nullptr || size < sizeof(bool)) {
+        return true;
+    }
+
+    int pos = 0;
+    bool observerNotNull = TypeCast<bool>(data, &pos);
+    Uri uri(string(reinterpret_cast<const char*>(data + pos), size - pos));
+
+    MessageParcel msg;
+    MessageParcel reply;
+    msg.WriteParcelable(&uri);
+    msg.WriteBool(observerNotNull);
+
+    fileAccessServiceStub->CmdUnregisterNotify(msg, reply);
+    return FileAccessFwk::ERR_OK;
+}
+
+ErrCode CmdGetExensionProxyFuzzTest(shared_ptr<FileAccessServiceStub> fileAccessServiceStub, const uint8_t *data,
+    size_t size)
+{
+    AAFwk::Want want = {};
+    MessageParcel msg;
+    MessageParcel reply;
+    msg.WriteParcelable(&want);
+    msg.WriteRemoteObject(nullptr);
+
+    fileAccessServiceStub->CmdGetExensionProxy(msg, reply);
+    return FileAccessFwk::ERR_OK;
+}
+
+} // namespace OHOS
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+    auto stub = std::make_shared<OHOS::FileAccessFwk::FileAccessServiceMock>();
+    if (stub == nullptr) {
+        return 0;
+    }
+
+    OHOS::OnRemoteRequestFuzzTest(stub, data, size);
+    OHOS::CmdOnChangeFuzzTest(stub, data, size);
+    OHOS::CmdRegisterNotifyFuzzTest(stub, data, size);
+    OHOS::CmdUnregisterNotifyFuzzTest(stub, data, size);
+    OHOS::CmdGetExensionProxyFuzzTest(stub, data, size);
+    return 0;
+}

test/fuzztest/fileaccessservicestub_fuzzer/fileaccessservicestub_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 FILE_ACCESS_SERVICE_STUB_FUZZER_H
+#define FILE_ACCESS_SERVICE_STUB_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "fileaccessservicestub_fuzzer"
+
+#endif

test/fuzztest/fileaccessservicestub_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>