/third_party/crashpad/crashpad/util/ios/ios_intermediate_dump_reader_test.cc
C++ | 265 lines | 207 code | 40 blank | 18 comment | 1 complexity | a140369ce71d2f068fbdc801b02443f5 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, Apache-2.0, BSD-3-Clause
- // Copyright 2021 The Crashpad Authors. All rights reserved.
- //
- // 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 "util/ios/ios_intermediate_dump_reader.h"
- #include <fcntl.h>
- #include <mach/vm_map.h>
- #include "base/posix/eintr_wrapper.h"
- #include "gmock/gmock.h"
- #include "gtest/gtest.h"
- #include "test/errors.h"
- #include "test/scoped_temp_dir.h"
- #include "util/file/filesystem.h"
- #include "util/ios/ios_intermediate_dump_data.h"
- #include "util/ios/ios_intermediate_dump_format.h"
- #include "util/ios/ios_intermediate_dump_list.h"
- #include "util/ios/ios_intermediate_dump_writer.h"
- namespace crashpad {
- namespace test {
- namespace {
- using Key = internal::IntermediateDumpKey;
- using Result = internal::IOSIntermediateDumpReaderInitializeResult;
- using internal::IOSIntermediateDumpWriter;
- class IOSIntermediateDumpReaderTest : public testing::Test {
- protected:
- // testing::Test:
- void SetUp() override {
- path_ = temp_dir_.path().Append("dump_file");
- fd_ = base::ScopedFD(HANDLE_EINTR(
- ::open(path_.value().c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0644)));
- ASSERT_GE(fd_.get(), 0) << ErrnoMessage("open");
- writer_ = std::make_unique<IOSIntermediateDumpWriter>();
- ASSERT_TRUE(writer_->Open(path_));
- ASSERT_TRUE(IsRegularFile(path_));
- dump_interface_.Initialize(path_);
- }
- void TearDown() override {
- ASSERT_TRUE(writer_->Close());
- fd_.reset();
- writer_.reset();
- EXPECT_FALSE(IsRegularFile(path_));
- }
- int fd() { return fd_.get(); }
- const base::FilePath& path() const { return path_; }
- const auto& dump_interface() const { return dump_interface_; }
- std::unique_ptr<IOSIntermediateDumpWriter> writer_;
- private:
- base::ScopedFD fd_;
- ScopedTempDir temp_dir_;
- base::FilePath path_;
- internal::IOSIntermediateDumpFilePath dump_interface_;
- };
- TEST_F(IOSIntermediateDumpReaderTest, ReadNoFile) {
- internal::IOSIntermediateDumpReader reader;
- internal::IOSIntermediateDumpFilePath dump_interface;
- EXPECT_FALSE(dump_interface.Initialize(base::FilePath()));
- EXPECT_FALSE(IsRegularFile(path()));
- }
- TEST_F(IOSIntermediateDumpReaderTest, ReadEmptyFile) {
- internal::IOSIntermediateDumpReader reader;
- EXPECT_EQ(reader.Initialize(dump_interface()), Result::kFailure);
- EXPECT_FALSE(IsRegularFile(path()));
- }
- TEST_F(IOSIntermediateDumpReaderTest, ReadHelloWorld) {
- std::string hello_world("hello world.");
- EXPECT_TRUE(
- LoggingWriteFile(fd(), hello_world.c_str(), hello_world.length()));
- internal::IOSIntermediateDumpReader reader;
- EXPECT_EQ(reader.Initialize(dump_interface()), Result::kIncomplete);
- EXPECT_FALSE(IsRegularFile(path()));
- const auto root_map = reader.RootMap();
- EXPECT_TRUE(root_map->empty());
- }
- TEST_F(IOSIntermediateDumpReaderTest, FuzzTestCases) {
- constexpr uint8_t fuzz1[] = {0x6,
- 0x5,
- 0x0,
- 0xff,
- 0xff,
- 0xfd,
- 0x1,
- 0xff,
- 0xff,
- 0xff,
- 0xff,
- 0xff,
- 0xfd,
- 0x1,
- 0x7,
- 0x16};
- internal::IOSIntermediateDumpByteArray dump_interface(fuzz1, sizeof(fuzz1));
- internal::IOSIntermediateDumpReader reader;
- EXPECT_EQ(reader.Initialize(dump_interface), Result::kIncomplete);
- const auto root_map = reader.RootMap();
- EXPECT_TRUE(root_map->empty());
- }
- TEST_F(IOSIntermediateDumpReaderTest, WriteBadPropertyDataLength) {
- internal::IOSIntermediateDumpReader reader;
- IOSIntermediateDumpWriter::CommandType command_type =
- IOSIntermediateDumpWriter::CommandType::kRootMapStart;
- EXPECT_TRUE(LoggingWriteFile(fd(), &command_type, sizeof(command_type)));
- command_type = IOSIntermediateDumpWriter::CommandType::kProperty;
- EXPECT_TRUE(LoggingWriteFile(fd(), &command_type, sizeof(command_type)));
- Key key = Key::kVersion;
- EXPECT_TRUE(LoggingWriteFile(fd(), &key, sizeof(key)));
- uint8_t value = 1;
- size_t value_length = 999999;
- EXPECT_TRUE(LoggingWriteFile(fd(), &value_length, sizeof(size_t)));
- EXPECT_TRUE(LoggingWriteFile(fd(), &value, sizeof(value)));
- EXPECT_EQ(reader.Initialize(dump_interface()), Result::kIncomplete);
- EXPECT_FALSE(IsRegularFile(path()));
- const auto root_map = reader.RootMap();
- EXPECT_TRUE(root_map->empty());
- const auto version_data = root_map->GetAsData(Key::kVersion);
- EXPECT_EQ(version_data, nullptr);
- }
- TEST_F(IOSIntermediateDumpReaderTest, InvalidArrayInArray) {
- internal::IOSIntermediateDumpReader reader;
- {
- IOSIntermediateDumpWriter::ScopedRootMap scopedRoot(writer_.get());
- IOSIntermediateDumpWriter::ScopedArray threadArray(writer_.get(),
- Key::kThreads);
- IOSIntermediateDumpWriter::ScopedArray innerThreadArray(writer_.get(),
- Key::kModules);
- // Write version last, so it's not parsed.
- int8_t version = 1;
- writer_->AddProperty(Key::kVersion, &version);
- }
- EXPECT_TRUE(writer_->Close());
- EXPECT_EQ(reader.Initialize(dump_interface()), Result::kIncomplete);
- EXPECT_FALSE(IsRegularFile(path()));
- const auto root_map = reader.RootMap();
- EXPECT_FALSE(root_map->empty());
- const auto version_data = root_map->GetAsData(Key::kVersion);
- EXPECT_EQ(version_data, nullptr);
- }
- TEST_F(IOSIntermediateDumpReaderTest, InvalidPropertyInArray) {
- internal::IOSIntermediateDumpReader reader;
- {
- IOSIntermediateDumpWriter::ScopedRootMap scopedRoot(writer_.get());
- IOSIntermediateDumpWriter::ScopedArray threadArray(writer_.get(),
- Key::kThreads);
- // Write version last, so it's not parsed.
- int8_t version = 1;
- writer_->AddProperty(Key::kVersion, &version);
- }
- EXPECT_TRUE(writer_->Close());
- EXPECT_EQ(reader.Initialize(dump_interface()), Result::kIncomplete);
- EXPECT_FALSE(IsRegularFile(path()));
- const auto root_map = reader.RootMap();
- EXPECT_FALSE(root_map->empty());
- const auto version_data = root_map->GetAsData(Key::kVersion);
- EXPECT_EQ(version_data, nullptr);
- }
- TEST_F(IOSIntermediateDumpReaderTest, ReadValidData) {
- internal::IOSIntermediateDumpReader reader;
- uint8_t version = 1;
- {
- IOSIntermediateDumpWriter::ScopedRootMap scopedRoot(writer_.get());
- EXPECT_TRUE(writer_->AddProperty(Key::kVersion, &version));
- {
- IOSIntermediateDumpWriter::ScopedArray threadArray(
- writer_.get(), Key::kThreadContextMemoryRegions);
- IOSIntermediateDumpWriter::ScopedArrayMap threadMap(writer_.get());
- std::string random_data("random_data");
- EXPECT_TRUE(writer_->AddProperty(Key::kThreadContextMemoryRegionAddress,
- &version));
- EXPECT_TRUE(writer_->AddProperty(Key::kThreadContextMemoryRegionData,
- random_data.c_str(),
- random_data.length()));
- }
- {
- IOSIntermediateDumpWriter::ScopedMap map(writer_.get(),
- Key::kProcessInfo);
- pid_t p_pid = getpid();
- EXPECT_TRUE(writer_->AddProperty(Key::kPID, &p_pid));
- }
- }
- EXPECT_TRUE(writer_->Close());
- EXPECT_EQ(reader.Initialize(dump_interface()), Result::kSuccess);
- EXPECT_FALSE(IsRegularFile(path()));
- auto root_map = reader.RootMap();
- EXPECT_FALSE(root_map->empty());
- version = -1;
- const auto version_data = root_map->GetAsData(Key::kVersion);
- ASSERT_NE(version_data, nullptr);
- EXPECT_TRUE(version_data->GetValue<uint8_t>(&version));
- EXPECT_EQ(version, 1);
- const auto process_info = root_map->GetAsMap(Key::kProcessInfo);
- ASSERT_NE(process_info, nullptr);
- const auto pid_data = process_info->GetAsData(Key::kPID);
- ASSERT_NE(pid_data, nullptr);
- pid_t p_pid = -1;
- EXPECT_TRUE(pid_data->GetValue<pid_t>(&p_pid));
- ASSERT_EQ(p_pid, getpid());
- const auto thread_context_memory_regions =
- root_map->GetAsList(Key::kThreadContextMemoryRegions);
- EXPECT_EQ(thread_context_memory_regions->size(), 1UL);
- for (const auto& region : *thread_context_memory_regions) {
- const auto data = region->GetAsData(Key::kThreadContextMemoryRegionData);
- ASSERT_NE(data, nullptr);
- // Load as string.
- EXPECT_EQ(data->GetString(), "random_data");
- // Load as bytes.
- auto bytes = data->bytes();
- vm_size_t data_size = bytes.size();
- EXPECT_EQ(data_size, 11UL);
- const char* data_bytes = reinterpret_cast<const char*>(bytes.data());
- EXPECT_EQ(std::string(data_bytes, data_size), "random_data");
- }
- const auto system_info = root_map->GetAsMap(Key::kSystemInfo);
- EXPECT_EQ(system_info, nullptr);
- }
- } // namespace
- } // namespace test
- } // namespace crashpad