| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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 "class_loader_context.h" |
| |
| #include <gtest/gtest.h> |
| |
| #include "android-base/strings.h" |
| #include "base/dchecked_vector.h" |
| #include "base/stl_util.h" |
| #include "class_linker.h" |
| #include "common_runtime_test.h" |
| #include "dex/dex_file.h" |
| #include "handle_scope-inl.h" |
| #include "mirror/class.h" |
| #include "mirror/class_loader.h" |
| #include "mirror/object-inl.h" |
| #include "oat_file_assistant.h" |
| #include "runtime.h" |
| #include "scoped_thread_state_change-inl.h" |
| #include "thread.h" |
| #include "well_known_classes.h" |
| |
| namespace art { |
| |
| class ClassLoaderContextTest : public CommonRuntimeTest { |
| public: |
| void VerifyContextSize(ClassLoaderContext* context, size_t expected_size) { |
| ASSERT_TRUE(context != nullptr); |
| ASSERT_EQ(expected_size, context->GetParentChainSize()); |
| } |
| |
| void VerifyClassLoaderPCL(ClassLoaderContext* context, |
| size_t index, |
| const std::string& classpath) { |
| VerifyClassLoaderInfo( |
| context, index, ClassLoaderContext::kPathClassLoader, classpath); |
| } |
| |
| void VerifyClassLoaderDLC(ClassLoaderContext* context, |
| size_t index, |
| const std::string& classpath) { |
| VerifyClassLoaderInfo( |
| context, index, ClassLoaderContext::kDelegateLastClassLoader, classpath); |
| } |
| |
| void VerifyClassLoaderSharedLibraryPCL(ClassLoaderContext* context, |
| size_t loader_index, |
| size_t shared_library_index, |
| const std::string& classpath) { |
| VerifyClassLoaderInfoSL( |
| context, loader_index, shared_library_index, ClassLoaderContext::kPathClassLoader, |
| classpath); |
| } |
| |
| void VerifySharedLibrariesSize(ClassLoaderContext* context, |
| size_t loader_index, |
| size_t expected_size) { |
| ASSERT_TRUE(context != nullptr); |
| ASSERT_GT(context->GetParentChainSize(), loader_index); |
| const ClassLoaderContext::ClassLoaderInfo& info = *context->GetParent(loader_index); |
| ASSERT_EQ(info.shared_libraries.size(), expected_size); |
| } |
| |
| void VerifyClassLoaderSharedLibraryDLC(ClassLoaderContext* context, |
| size_t loader_index, |
| size_t shared_library_index, |
| const std::string& classpath) { |
| VerifyClassLoaderInfoSL( |
| context, loader_index, shared_library_index, ClassLoaderContext::kDelegateLastClassLoader, |
| classpath); |
| } |
| |
| void VerifyClassLoaderPCLFromTestDex(ClassLoaderContext* context, |
| size_t index, |
| const std::string& test_name) { |
| VerifyClassLoaderFromTestDex( |
| context, index, ClassLoaderContext::kPathClassLoader, test_name); |
| } |
| |
| void VerifyClassLoaderDLCFromTestDex(ClassLoaderContext* context, |
| size_t index, |
| const std::string& test_name) { |
| VerifyClassLoaderFromTestDex( |
| context, index, ClassLoaderContext::kDelegateLastClassLoader, test_name); |
| } |
| |
| enum class LocationCheck { |
| kEquals, |
| kEndsWith |
| }; |
| enum class BaseLocationCheck { |
| kEquals, |
| kEndsWith |
| }; |
| |
| static bool IsAbsoluteLocation(const std::string& location) { |
| return !location.empty() && location[0] == '/'; |
| } |
| |
| void VerifyOpenDexFiles( |
| ClassLoaderContext* context, |
| size_t index, |
| std::vector<std::unique_ptr<const DexFile>>* all_dex_files) { |
| ASSERT_TRUE(context != nullptr); |
| ASSERT_TRUE(context->dex_files_open_attempted_); |
| ASSERT_TRUE(context->dex_files_open_result_); |
| ClassLoaderContext::ClassLoaderInfo& info = *context->GetParent(index); |
| ASSERT_EQ(all_dex_files->size(), info.classpath.size()); |
| ASSERT_EQ(all_dex_files->size(), info.opened_dex_files.size()); |
| size_t cur_open_dex_index = 0; |
| for (size_t k = 0; k < all_dex_files->size(); k++) { |
| std::unique_ptr<const DexFile>& opened_dex_file = |
| info.opened_dex_files[cur_open_dex_index++]; |
| std::unique_ptr<const DexFile>& expected_dex_file = (*all_dex_files)[k]; |
| |
| std::string expected_location = expected_dex_file->GetLocation(); |
| |
| const std::string& opened_location = opened_dex_file->GetLocation(); |
| if (!IsAbsoluteLocation(opened_location)) { |
| // If the opened location is relative (it was open from a relative path without a |
| // classpath_dir) it might not match the expected location which is absolute in tests). |
| // So we compare the endings (the checksum will validate it's actually the same file). |
| ASSERT_EQ(0, expected_location.compare( |
| expected_location.length() - opened_location.length(), |
| opened_location.length(), |
| opened_location)); |
| } else { |
| ASSERT_EQ(expected_location, opened_location); |
| } |
| ASSERT_EQ(expected_dex_file->GetLocationChecksum(), opened_dex_file->GetLocationChecksum()); |
| ASSERT_EQ(info.classpath[k], opened_location); |
| } |
| } |
| |
| std::unique_ptr<ClassLoaderContext> CreateContextForClassLoader(jobject class_loader) { |
| return ClassLoaderContext::CreateContextForClassLoader(class_loader, nullptr); |
| } |
| |
| std::unique_ptr<ClassLoaderContext> ParseContextWithChecksums(const std::string& context_spec) { |
| std::unique_ptr<ClassLoaderContext> context(new ClassLoaderContext()); |
| if (!context->Parse(context_spec, /*parse_checksums=*/ true)) { |
| return nullptr; |
| } |
| return context; |
| } |
| |
| void VerifyContextForClassLoader(ClassLoaderContext* context) { |
| ASSERT_TRUE(context != nullptr); |
| ASSERT_TRUE(context->dex_files_open_attempted_); |
| ASSERT_TRUE(context->dex_files_open_result_); |
| ASSERT_FALSE(context->owns_the_dex_files_); |
| ASSERT_FALSE(context->special_shared_library_); |
| } |
| |
| void VerifyClassLoaderDexFiles(ScopedObjectAccess& soa, |
| Handle<mirror::ClassLoader> class_loader, |
| jclass type, |
| std::vector<const DexFile*>& expected_dex_files) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| ASSERT_TRUE(class_loader->GetClass() == soa.Decode<mirror::Class>(type)); |
| |
| std::vector<const DexFile*> class_loader_dex_files = GetDexFiles(soa, class_loader); |
| ASSERT_EQ(expected_dex_files.size(), class_loader_dex_files.size()); |
| |
| for (size_t i = 0; i < expected_dex_files.size(); i++) { |
| ASSERT_EQ(expected_dex_files[i]->GetLocation(), |
| class_loader_dex_files[i]->GetLocation()); |
| ASSERT_EQ(expected_dex_files[i]->GetLocationChecksum(), |
| class_loader_dex_files[i]->GetLocationChecksum()); |
| } |
| } |
| |
| void PretendContextOpenedDexFiles(ClassLoaderContext* context) { |
| context->dex_files_open_attempted_ = true; |
| context->dex_files_open_result_ = true; |
| } |
| |
| private: |
| void VerifyClassLoaderInfo(ClassLoaderContext* context, |
| size_t index, |
| ClassLoaderContext::ClassLoaderType type, |
| const std::string& classpath) { |
| ASSERT_TRUE(context != nullptr); |
| ASSERT_GT(context->GetParentChainSize(), index); |
| ClassLoaderContext::ClassLoaderInfo& info = *context->GetParent(index); |
| ASSERT_EQ(type, info.type); |
| std::vector<std::string> expected_classpath; |
| Split(classpath, ':', &expected_classpath); |
| ASSERT_EQ(expected_classpath, info.classpath); |
| } |
| |
| void VerifyClassLoaderInfoSL(ClassLoaderContext* context, |
| size_t loader_index, |
| size_t shared_library_index, |
| ClassLoaderContext::ClassLoaderType type, |
| const std::string& classpath) { |
| ASSERT_TRUE(context != nullptr); |
| ASSERT_GT(context->GetParentChainSize(), loader_index); |
| const ClassLoaderContext::ClassLoaderInfo& info = *context->GetParent(loader_index); |
| ASSERT_GT(info.shared_libraries.size(), shared_library_index); |
| const ClassLoaderContext::ClassLoaderInfo& sl = |
| *info.shared_libraries[shared_library_index].get(); |
| ASSERT_EQ(type, info.type); |
| std::vector<std::string> expected_classpath; |
| Split(classpath, ':', &expected_classpath); |
| ASSERT_EQ(expected_classpath, sl.classpath); |
| } |
| |
| void VerifyClassLoaderFromTestDex(ClassLoaderContext* context, |
| size_t index, |
| ClassLoaderContext::ClassLoaderType type, |
| const std::string& test_name) { |
| std::vector<std::unique_ptr<const DexFile>> dex_files = OpenTestDexFiles(test_name.c_str()); |
| |
| VerifyClassLoaderInfo(context, index, type, GetTestDexFileName(test_name.c_str())); |
| VerifyOpenDexFiles(context, index, &dex_files); |
| } |
| }; |
| |
| TEST_F(ClassLoaderContextTest, ParseValidEmptyContext) { |
| std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create(""); |
| // An empty context should create a single empty PathClassLoader. |
| VerifyContextSize(context.get(), 1); |
| VerifyClassLoaderPCL(context.get(), 0, ""); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseValidSharedLibraryContext) { |
| std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create("&"); |
| // An shared library context should have no class loader in the chain. |
| VerifyContextSize(context.get(), 0); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseValidContextPCL) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("PCL[a.dex]"); |
| VerifyContextSize(context.get(), 1); |
| VerifyClassLoaderPCL(context.get(), 0, "a.dex"); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseValidContextDLC) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("DLC[a.dex]"); |
| VerifyContextSize(context.get(), 1); |
| VerifyClassLoaderDLC(context.get(), 0, "a.dex"); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseValidContextChain) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("PCL[a.dex:b.dex];DLC[c.dex:d.dex];PCL[e.dex]"); |
| VerifyContextSize(context.get(), 3); |
| VerifyClassLoaderPCL(context.get(), 0, "a.dex:b.dex"); |
| VerifyClassLoaderDLC(context.get(), 1, "c.dex:d.dex"); |
| VerifyClassLoaderPCL(context.get(), 2, "e.dex"); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseSharedLibraries) { |
| std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create( |
| "PCL[a.dex:b.dex]{PCL[s1.dex]#PCL[s2.dex:s3.dex]};DLC[c.dex:d.dex]{DLC[s4.dex]}"); |
| VerifyContextSize(context.get(), 2); |
| VerifyClassLoaderSharedLibraryPCL(context.get(), 0, 0, "s1.dex"); |
| VerifyClassLoaderSharedLibraryPCL(context.get(), 0, 1, "s2.dex:s3.dex"); |
| VerifyClassLoaderDLC(context.get(), 1, "c.dex:d.dex"); |
| VerifyClassLoaderSharedLibraryDLC(context.get(), 1, 0, "s4.dex"); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseEnclosingSharedLibraries) { |
| std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create( |
| "PCL[a.dex:b.dex]{PCL[s1.dex]{PCL[s2.dex:s3.dex];PCL[s4.dex]}}"); |
| VerifyContextSize(context.get(), 1); |
| VerifyClassLoaderSharedLibraryPCL(context.get(), 0, 0, "s1.dex"); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseValidEmptyContextDLC) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("DLC[]"); |
| VerifyContextSize(context.get(), 1); |
| VerifyClassLoaderDLC(context.get(), 0, ""); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseValidEmptyContextSharedLibrary) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("DLC[]{}"); |
| VerifyContextSize(context.get(), 1); |
| VerifySharedLibrariesSize(context.get(), 0, 0); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseValidContextSpecialSymbol) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create(OatFile::kSpecialSharedLibrary); |
| VerifyContextSize(context.get(), 0); |
| } |
| |
| TEST_F(ClassLoaderContextTest, ParseInvalidValidContexts) { |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("ABC[a.dex]")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("PCL")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("PCL[a.dex")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("PCLa.dex]")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("PCL{a.dex}")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("PCL[a.dex];DLC[b.dex")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("PCL[a.dex]{ABC};DLC[b.dex")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("PCL[a.dex]{};DLC[b.dex")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("DLC[s4.dex]}")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("DLC[s4.dex]{")); |
| ASSERT_TRUE(nullptr == ClassLoaderContext::Create("DLC{DLC[s4.dex]}")); |
| } |
| |
| TEST_F(ClassLoaderContextTest, OpenInvalidDexFiles) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("PCL[does_not_exist.dex]"); |
| VerifyContextSize(context.get(), 1); |
| ASSERT_FALSE(context->OpenDexFiles(InstructionSet::kArm, ".")); |
| } |
| |
| TEST_F(ClassLoaderContextTest, OpenValidDexFiles) { |
| std::string multidex_name = GetTestDexFileName("MultiDex"); |
| std::string myclass_dex_name = GetTestDexFileName("MyClass"); |
| std::string dex_name = GetTestDexFileName("Main"); |
| |
| |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create( |
| "PCL[" + multidex_name + ":" + myclass_dex_name + "];" + |
| "DLC[" + dex_name + "]"); |
| |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, /*classpath_dir=*/ "")); |
| |
| VerifyContextSize(context.get(), 2); |
| |
| std::vector<std::unique_ptr<const DexFile>> all_dex_files0 = OpenTestDexFiles("MultiDex"); |
| std::vector<std::unique_ptr<const DexFile>> myclass_dex_files = OpenTestDexFiles("MyClass"); |
| for (size_t i = 0; i < myclass_dex_files.size(); i++) { |
| all_dex_files0.emplace_back(myclass_dex_files[i].release()); |
| } |
| VerifyOpenDexFiles(context.get(), 0, &all_dex_files0); |
| |
| std::vector<std::unique_ptr<const DexFile>> all_dex_files1 = OpenTestDexFiles("Main"); |
| VerifyOpenDexFiles(context.get(), 1, &all_dex_files1); |
| } |
| |
| // Creates a relative path from cwd to 'in'. Returns false if it cannot be done. |
| // TODO We should somehow support this in all situations. b/72042237. |
| static bool CreateRelativeString(const std::string& in, const char* cwd, std::string* out) { |
| int cwd_len = strlen(cwd); |
| if (!android::base::StartsWith(in, cwd) || (cwd_len < 1)) { |
| return false; |
| } |
| bool contains_trailing_slash = (cwd[cwd_len - 1] == '/'); |
| int start_position = cwd_len + (contains_trailing_slash ? 0 : 1); |
| *out = in.substr(start_position); |
| return true; |
| } |
| |
| TEST_F(ClassLoaderContextTest, OpenValidDexFilesRelative) { |
| char cwd_buf[4096]; |
| if (getcwd(cwd_buf, arraysize(cwd_buf)) == nullptr) { |
| PLOG(FATAL) << "Could not get working directory"; |
| } |
| std::string multidex_name; |
| std::string myclass_dex_name; |
| std::string dex_name; |
| if (!CreateRelativeString(GetTestDexFileName("MultiDex"), cwd_buf, &multidex_name) || |
| !CreateRelativeString(GetTestDexFileName("MyClass"), cwd_buf, &myclass_dex_name) || |
| !CreateRelativeString(GetTestDexFileName("Main"), cwd_buf, &dex_name)) { |
| LOG(ERROR) << "Test OpenValidDexFilesRelative cannot be run because target dex files have no " |
| << "relative path."; |
| SUCCEED(); |
| return; |
| } |
| |
| |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create( |
| "PCL[" + multidex_name + ":" + myclass_dex_name + "];" + |
| "DLC[" + dex_name + "]"); |
| |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, /*classpath_dir=*/ "")); |
| |
| std::vector<std::unique_ptr<const DexFile>> all_dex_files0 = OpenTestDexFiles("MultiDex"); |
| std::vector<std::unique_ptr<const DexFile>> myclass_dex_files = OpenTestDexFiles("MyClass"); |
| for (size_t i = 0; i < myclass_dex_files.size(); i++) { |
| all_dex_files0.emplace_back(myclass_dex_files[i].release()); |
| } |
| VerifyOpenDexFiles(context.get(), 0, &all_dex_files0); |
| |
| std::vector<std::unique_ptr<const DexFile>> all_dex_files1 = OpenTestDexFiles("Main"); |
| VerifyOpenDexFiles(context.get(), 1, &all_dex_files1); |
| } |
| |
| TEST_F(ClassLoaderContextTest, OpenValidDexFilesClasspathDir) { |
| char cwd_buf[4096]; |
| if (getcwd(cwd_buf, arraysize(cwd_buf)) == nullptr) { |
| PLOG(FATAL) << "Could not get working directory"; |
| } |
| std::string multidex_name; |
| std::string myclass_dex_name; |
| std::string dex_name; |
| if (!CreateRelativeString(GetTestDexFileName("MultiDex"), cwd_buf, &multidex_name) || |
| !CreateRelativeString(GetTestDexFileName("MyClass"), cwd_buf, &myclass_dex_name) || |
| !CreateRelativeString(GetTestDexFileName("Main"), cwd_buf, &dex_name)) { |
| LOG(ERROR) << "Test OpenValidDexFilesClasspathDir cannot be run because target dex files have " |
| << "no relative path."; |
| SUCCEED(); |
| return; |
| } |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create( |
| "PCL[" + multidex_name + ":" + myclass_dex_name + "];" + |
| "DLC[" + dex_name + "]"); |
| |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, cwd_buf)); |
| |
| VerifyContextSize(context.get(), 2); |
| std::vector<std::unique_ptr<const DexFile>> all_dex_files0 = OpenTestDexFiles("MultiDex"); |
| std::vector<std::unique_ptr<const DexFile>> myclass_dex_files = OpenTestDexFiles("MyClass"); |
| for (size_t i = 0; i < myclass_dex_files.size(); i++) { |
| all_dex_files0.emplace_back(myclass_dex_files[i].release()); |
| } |
| VerifyOpenDexFiles(context.get(), 0, &all_dex_files0); |
| |
| std::vector<std::unique_ptr<const DexFile>> all_dex_files1 = OpenTestDexFiles("Main"); |
| VerifyOpenDexFiles(context.get(), 1, &all_dex_files1); |
| } |
| |
| TEST_F(ClassLoaderContextTest, OpenInvalidDexFilesMix) { |
| std::string dex_name = GetTestDexFileName("Main"); |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("PCL[does_not_exist.dex];DLC[" + dex_name + "]"); |
| ASSERT_FALSE(context->OpenDexFiles(InstructionSet::kArm, "")); |
| } |
| |
| TEST_F(ClassLoaderContextTest, CreateClassLoader) { |
| std::string dex_name = GetTestDexFileName("Main"); |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("PCL[" + dex_name + "]"); |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, "")); |
| |
| std::vector<std::unique_ptr<const DexFile>> classpath_dex = OpenTestDexFiles("Main"); |
| std::vector<std::unique_ptr<const DexFile>> compilation_sources = OpenTestDexFiles("MultiDex"); |
| |
| std::vector<const DexFile*> compilation_sources_raw = |
| MakeNonOwningPointerVector(compilation_sources); |
| jobject jclass_loader = context->CreateClassLoader(compilation_sources_raw); |
| ASSERT_TRUE(jclass_loader != nullptr); |
| |
| ScopedObjectAccess soa(Thread::Current()); |
| |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::ClassLoader> class_loader = hs.NewHandle( |
| soa.Decode<mirror::ClassLoader>(jclass_loader)); |
| |
| ASSERT_TRUE(class_loader->GetClass() == |
| soa.Decode<mirror::Class>(WellKnownClasses::dalvik_system_PathClassLoader)); |
| ASSERT_TRUE(class_loader->GetParent()->GetClass() == |
| soa.Decode<mirror::Class>(WellKnownClasses::java_lang_BootClassLoader)); |
| |
| // For the first class loader the class path dex files must come first and then the |
| // compilation sources. |
| std::vector<const DexFile*> expected_classpath = MakeNonOwningPointerVector(classpath_dex); |
| for (auto& dex : compilation_sources_raw) { |
| expected_classpath.push_back(dex); |
| } |
| |
| VerifyClassLoaderDexFiles(soa, |
| class_loader, |
| WellKnownClasses::dalvik_system_PathClassLoader, |
| expected_classpath); |
| } |
| |
| TEST_F(ClassLoaderContextTest, CreateClassLoaderWithEmptyContext) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create(""); |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, "")); |
| |
| std::vector<std::unique_ptr<const DexFile>> compilation_sources = OpenTestDexFiles("MultiDex"); |
| |
| std::vector<const DexFile*> compilation_sources_raw = |
| MakeNonOwningPointerVector(compilation_sources); |
| jobject jclass_loader = context->CreateClassLoader(compilation_sources_raw); |
| ASSERT_TRUE(jclass_loader != nullptr); |
| |
| ScopedObjectAccess soa(Thread::Current()); |
| |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::ClassLoader> class_loader = hs.NewHandle( |
| soa.Decode<mirror::ClassLoader>(jclass_loader)); |
| |
| // An empty context should create a single PathClassLoader with only the compilation sources. |
| VerifyClassLoaderDexFiles(soa, |
| class_loader, |
| WellKnownClasses::dalvik_system_PathClassLoader, |
| compilation_sources_raw); |
| ASSERT_TRUE(class_loader->GetParent()->GetClass() == |
| soa.Decode<mirror::Class>(WellKnownClasses::java_lang_BootClassLoader)); |
| } |
| |
| TEST_F(ClassLoaderContextTest, CreateClassLoaderWithSharedLibraryContext) { |
| std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create("&"); |
| |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, "")); |
| |
| std::vector<std::unique_ptr<const DexFile>> compilation_sources = OpenTestDexFiles("MultiDex"); |
| |
| std::vector<const DexFile*> compilation_sources_raw = |
| MakeNonOwningPointerVector(compilation_sources); |
| jobject jclass_loader = context->CreateClassLoader(compilation_sources_raw); |
| ASSERT_TRUE(jclass_loader != nullptr); |
| |
| ScopedObjectAccess soa(Thread::Current()); |
| |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::ClassLoader> class_loader = hs.NewHandle( |
| soa.Decode<mirror::ClassLoader>(jclass_loader)); |
| |
| // A shared library context should create a single PathClassLoader with only the compilation |
| // sources. |
| VerifyClassLoaderDexFiles(soa, |
| class_loader, |
| WellKnownClasses::dalvik_system_PathClassLoader, |
| compilation_sources_raw); |
| ASSERT_TRUE(class_loader->GetParent()->GetClass() == |
| soa.Decode<mirror::Class>(WellKnownClasses::java_lang_BootClassLoader)); |
| } |
| |
| TEST_F(ClassLoaderContextTest, CreateClassLoaderWithComplexChain) { |
| // Setup the context. |
| std::vector<std::unique_ptr<const DexFile>> classpath_dex_a = OpenTestDexFiles("ForClassLoaderA"); |
| std::vector<std::unique_ptr<const DexFile>> classpath_dex_b = OpenTestDexFiles("ForClassLoaderB"); |
| std::vector<std::unique_ptr<const DexFile>> classpath_dex_c = OpenTestDexFiles("ForClassLoaderC"); |
| std::vector<std::unique_ptr<const DexFile>> classpath_dex_d = OpenTestDexFiles("ForClassLoaderD"); |
| |
| std::string context_spec = |
| "PCL[" + CreateClassPath(classpath_dex_a) + ":" + CreateClassPath(classpath_dex_b) + "];" + |
| "DLC[" + CreateClassPath(classpath_dex_c) + "];" + |
| "PCL[" + CreateClassPath(classpath_dex_d) + "]"; |
| |
| std::unique_ptr<ClassLoaderContext> context = ClassLoaderContext::Create(context_spec); |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, "")); |
| |
| // Setup the compilation sources. |
| std::vector<std::unique_ptr<const DexFile>> compilation_sources = OpenTestDexFiles("MultiDex"); |
| std::vector<const DexFile*> compilation_sources_raw = |
| MakeNonOwningPointerVector(compilation_sources); |
| |
| // Create the class loader. |
| jobject jclass_loader = context->CreateClassLoader(compilation_sources_raw); |
| ASSERT_TRUE(jclass_loader != nullptr); |
| |
| // Verify the class loader. |
| ScopedObjectAccess soa(Thread::Current()); |
| |
| StackHandleScope<3> hs(soa.Self()); |
| Handle<mirror::ClassLoader> class_loader_1 = hs.NewHandle( |
| soa.Decode<mirror::ClassLoader>(jclass_loader)); |
| |
| // Verify the first class loader |
| |
| // For the first class loader the class path dex files must come first and then the |
| // compilation sources. |
| std::vector<const DexFile*> class_loader_1_dex_files = |
| MakeNonOwningPointerVector(classpath_dex_a); |
| for (auto& dex : classpath_dex_b) { |
| class_loader_1_dex_files.push_back(dex.get()); |
| } |
| for (auto& dex : compilation_sources_raw) { |
| class_loader_1_dex_files.push_back(dex); |
| } |
| VerifyClassLoaderDexFiles(soa, |
| class_loader_1, |
| WellKnownClasses::dalvik_system_PathClassLoader, |
| class_loader_1_dex_files); |
| |
| // Verify the second class loader |
| Handle<mirror::ClassLoader> class_loader_2 = hs.NewHandle(class_loader_1->GetParent()); |
| std::vector<const DexFile*> class_loader_2_dex_files = |
| MakeNonOwningPointerVector(classpath_dex_c); |
| VerifyClassLoaderDexFiles(soa, |
| class_loader_2, |
| WellKnownClasses::dalvik_system_DelegateLastClassLoader, |
| class_loader_2_dex_files); |
| |
| // Verify the third class loader |
| Handle<mirror::ClassLoader> class_loader_3 = hs.NewHandle(class_loader_2->GetParent()); |
| std::vector<const DexFile*> class_loader_3_dex_files = |
| MakeNonOwningPointerVector(classpath_dex_d); |
| VerifyClassLoaderDexFiles(soa, |
| class_loader_3, |
| WellKnownClasses::dalvik_system_PathClassLoader, |
| class_loader_3_dex_files); |
| // The last class loader should have the BootClassLoader as a parent. |
| ASSERT_TRUE(class_loader_3->GetParent()->GetClass() == |
| soa.Decode<mirror::Class>(WellKnownClasses::java_lang_BootClassLoader)); |
| } |
| |
| |
| TEST_F(ClassLoaderContextTest, RemoveSourceLocations) { |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("PCL[a.dex]"); |
| dchecked_vector<std::string> classpath_dex; |
| classpath_dex.push_back("a.dex"); |
| dchecked_vector<std::string> compilation_sources; |
| compilation_sources.push_back("src.dex"); |
| |
| // Nothing should be removed. |
| ASSERT_FALSE(context->RemoveLocationsFromClassPaths(compilation_sources)); |
| VerifyClassLoaderPCL(context.get(), 0, "a.dex"); |
| // Classes should be removed. |
| ASSERT_TRUE(context->RemoveLocationsFromClassPaths(classpath_dex)); |
| VerifyClassLoaderPCL(context.get(), 0, ""); |
| } |
| |
| TEST_F(ClassLoaderContextTest, EncodeInOatFile) { |
| std::string dex1_name = GetTestDexFileName("Main"); |
| std::string dex2_name = GetTestDexFileName("MyClass"); |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("PCL[" + dex1_name + ":" + dex2_name + "]"); |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, "")); |
| |
| std::vector<std::unique_ptr<const DexFile>> dex1 = OpenTestDexFiles("Main"); |
| std::vector<std::unique_ptr<const DexFile>> dex2 = OpenTestDexFiles("MyClass"); |
| std::string encoding = context->EncodeContextForOatFile(""); |
| std::string expected_encoding = "PCL[" + CreateClassPathWithChecksums(dex1) + ":" + |
| CreateClassPathWithChecksums(dex2) + "]"; |
| ASSERT_EQ(expected_encoding, context->EncodeContextForOatFile("")); |
| } |
| |
| TEST_F(ClassLoaderContextTest, EncodeForDex2oat) { |
| std::string dex1_name = GetTestDexFileName("Main"); |
| std::string dex2_name = GetTestDexFileName("MultiDex"); |
| std::unique_ptr<ClassLoaderContext> context = |
| ClassLoaderContext::Create("PCL[" + dex1_name + ":" + dex2_name + "]"); |
| ASSERT_TRUE(context->OpenDexFiles(InstructionSet::kArm, "")); |
| |
| std::vector<std::unique_ptr<const DexFile>> dex1 = OpenTestDexFiles("Main"); |
| std::vector<std::unique_ptr<const DexFile>> dex2 = OpenTestDexFiles("MultiDex"); |
| std::string encoding = context->EncodeContextForDex2oat(""); |
| std::string expected_encoding = "PCL[" + dex1_name + ":" + dex2_name + "]"; |
| ASSERT_EQ(expected_encoding, context->EncodeContextForDex2oat("")); |
| } |
| |
| // TODO(calin) add a test which creates the context for a class loader together with dex_elements. |
| TEST_F(ClassLoaderContextTest, CreateContextForClassLoader) { |
| // The chain is |
| // ClassLoaderA (PathClassLoader) |
| // ^ |
| // | |
| // ClassLoaderB (DelegateLastClassLoader) |
| // ^ |
| // | |
| // ClassLoaderC (PathClassLoader) |
| // ^ |
| // | |
| // ClassLoaderD (DelegateLastClassLoader) |
| |
| jobject class_loader_a = LoadDexInPathClassLoader("ForClassLoaderA", nullptr); |
| jobject class_loader_b = LoadDexInDelegateLastClassLoader("ForClassLoaderB", class_loader_a); |
| jobject class_loader_c = LoadDexInPathClassLoader("ForClassLoaderC", class_loader_b); |
| jobject class_loader_d = LoadDexInDelegateLastClassLoader("ForClassLoaderD", class_loader_c); |
| |
| std::unique_ptr<ClassLoaderContext> context = CreateContextForClassLoader(class_loader_d); |
| |
| VerifyContextForClassLoader(context.get()); |
| VerifyContextSize(context.get(), 4); |
| |
| VerifyClassLoaderDLCFromTestDex(context.get(), 0, "ForClassLoaderD"); |
| VerifyClassLoaderPCLFromTestDex(context.get(), 1, "ForClassLoaderC"); |
| VerifyClassLoaderDLCFromTestDex(context.get(), 2, "ForClassLoaderB"); |
| VerifyClassLoaderPCLFromTestDex(context.get(), 3, "ForClassLoaderA"); |
| } |
| |
| |
| TEST_F(ClassLoaderContextTest, VerifyClassLoaderContextFirstElement) { |
| std::string context_spec = "PCL[]"; |
| std::unique_ptr<ClassLoaderContext> context = ParseContextWithChecksums(context_spec); |
| ASSERT_TRUE(context != nullptr); |
| PretendContextOpenedDexFiles(context.get()); |
| // Ensure that the special shared library marks as verified for the first thing in the class path. |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(OatFile::kSpecialSharedLibrary), |
| ClassLoaderContext::VerificationResult::kVerifies); |
| } |
| |
| TEST_F(ClassLoaderContextTest, VerifyClassLoaderContextMatch) { |
| std::string context_spec = "PCL[a.dex*123:b.dex*456];DLC[c.dex*890]"; |
| std::unique_ptr<ClassLoaderContext> context = ParseContextWithChecksums(context_spec); |
| // Pretend that we successfully open the dex files to pass the DCHECKS. |
| // (as it's much easier to test all the corner cases without relying on actual dex files). |
| PretendContextOpenedDexFiles(context.get()); |
| |
| VerifyContextSize(context.get(), 2); |
| VerifyClassLoaderPCL(context.get(), 0, "a.dex:b.dex"); |
| VerifyClassLoaderDLC(context.get(), 1, "c.dex"); |
| |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(context_spec), |
| ClassLoaderContext::VerificationResult::kVerifies); |
| |
| std::string wrong_class_loader_type = "PCL[a.dex*123:b.dex*456];PCL[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_class_loader_type), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_class_loader_order = "DLC[c.dex*890];PCL[a.dex*123:b.dex*456]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_class_loader_order), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_classpath_order = "PCL[b.dex*456:a.dex*123];DLC[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_classpath_order), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_checksum = "PCL[a.dex*999:b.dex*456];DLC[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_checksum), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_extra_class_loader = "PCL[a.dex*123:b.dex*456];DLC[c.dex*890];PCL[d.dex*321]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_extra_class_loader), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_extra_classpath = "PCL[a.dex*123:b.dex*456];DLC[c.dex*890:d.dex*321]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_extra_classpath), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_spec = "PCL[a.dex*999:b.dex*456];DLC["; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_spec), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| } |
| |
| TEST_F(ClassLoaderContextTest, VerifyClassLoaderContextMatchWithSL) { |
| std::string context_spec = |
| "PCL[a.dex*123:b.dex*456]{PCL[d.dex*321];PCL[e.dex*654]#PCL[f.dex*098:g.dex*999]}" |
| ";DLC[c.dex*890]"; |
| std::unique_ptr<ClassLoaderContext> context = ParseContextWithChecksums(context_spec); |
| // Pretend that we successfully open the dex files to pass the DCHECKS. |
| // (as it's much easier to test all the corner cases without relying on actual dex files). |
| PretendContextOpenedDexFiles(context.get()); |
| |
| VerifyContextSize(context.get(), 2); |
| VerifyClassLoaderPCL(context.get(), 0, "a.dex:b.dex"); |
| VerifyClassLoaderDLC(context.get(), 1, "c.dex"); |
| VerifyClassLoaderSharedLibraryPCL(context.get(), 0, 0, "d.dex"); |
| VerifyClassLoaderSharedLibraryPCL(context.get(), 0, 1, "f.dex:g.dex"); |
| |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(context_spec), |
| ClassLoaderContext::VerificationResult::kVerifies); |
| |
| std::string wrong_class_loader_type = |
| "PCL[a.dex*123:b.dex*456]{DLC[d.dex*321];PCL[e.dex*654]#PCL[f.dex*098:g.dex*999]}" |
| ";DLC[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_class_loader_type), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_class_loader_order = |
| "PCL[a.dex*123:b.dex*456]{PCL[f.dex#098:g.dex#999}#PCL[d.dex*321];PCL[e.dex*654]}" |
| ";DLC[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_class_loader_order), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_classpath_order = |
| "PCL[a.dex*123:b.dex*456]{PCL[d.dex*321];PCL[e.dex*654]#PCL[g.dex*999:f.dex*098]}" |
| ";DLC[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_classpath_order), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_checksum = |
| "PCL[a.dex*123:b.dex*456]{PCL[d.dex*333];PCL[e.dex*654]#PCL[g.dex*999:f.dex*098]}" |
| ";DLC[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_checksum), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_extra_class_loader = |
| "PCL[a.dex*123:b.dex*456]" |
| "{PCL[d.dex*321];PCL[e.dex*654]#PCL[f.dex*098:g.dex*999];PCL[i.dex#444]}" |
| ";DLC[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_extra_class_loader), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| |
| std::string wrong_extra_classpath = |
| "PCL[a.dex*123:b.dex*456]{PCL[d.dex*321:i.dex#444];PCL[e.dex*654]#PCL[f.dex*098:g.dex*999]}" |
| ";DLC[c.dex*890]"; |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(wrong_extra_classpath), |
| ClassLoaderContext::VerificationResult::kMismatch); |
| } |
| |
| TEST_F(ClassLoaderContextTest, VerifyClassLoaderContextMatchAfterEncoding) { |
| jobject class_loader_a = LoadDexInPathClassLoader("ForClassLoaderA", nullptr); |
| jobject class_loader_b = LoadDexInDelegateLastClassLoader("ForClassLoaderB", class_loader_a); |
| jobject class_loader_c = LoadDexInPathClassLoader("ForClassLoaderC", class_loader_b); |
| jobject class_loader_d = LoadDexInDelegateLastClassLoader("ForClassLoaderD", class_loader_c); |
| |
| std::unique_ptr<ClassLoaderContext> context = CreateContextForClassLoader(class_loader_d); |
| |
| std::string context_with_no_base_dir = context->EncodeContextForOatFile(""); |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(context_with_no_base_dir), |
| ClassLoaderContext::VerificationResult::kVerifies); |
| |
| std::string dex_location = GetTestDexFileName("ForClassLoaderA"); |
| size_t pos = dex_location.rfind('/'); |
| ASSERT_NE(std::string::npos, pos); |
| std::string parent = dex_location.substr(0, pos); |
| |
| std::string context_with_base_dir = context->EncodeContextForOatFile(parent); |
| ASSERT_NE(context_with_base_dir, context_with_no_base_dir); |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(context_with_base_dir), |
| ClassLoaderContext::VerificationResult::kVerifies); |
| } |
| |
| TEST_F(ClassLoaderContextTest, VerifyClassLoaderContextMatchAfterEncodingMultidex) { |
| jobject class_loader = LoadDexInPathClassLoader("MultiDex", nullptr); |
| |
| std::unique_ptr<ClassLoaderContext> context = CreateContextForClassLoader(class_loader); |
| |
| ASSERT_EQ(context->VerifyClassLoaderContextMatch(context->EncodeContextForOatFile("")), |
| ClassLoaderContext::VerificationResult::kVerifies); |
| } |
| |
| } // namespace art |