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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/installer/setup/setup_util_unittest.h"
#include <windows.h>
#include <string>
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/scoped_ptr.h"
#include "base/process/kill.h"
#include "base/process/launch.h"
#include "base/process/process_handle.h"
#include "base/strings/string_util.h"
#include "base/test/test_reg_util_win.h"
#include "base/threading/platform_thread.h"
#include "base/time/time.h"
#include "base/version.h"
#include "base/win/scoped_handle.h"
#include "base/win/windows_version.h"
#include "chrome/installer/setup/setup_constants.h"
#include "chrome/installer/setup/setup_util.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/installation_state.h"
#include "chrome/installer/util/installer_state.h"
#include "chrome/installer/util/updating_app_registration_data.h"
#include "chrome/installer/util/util_constants.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class SetupUtilTestWithDir : public testing::Test {
protected:
void SetUp() override {
// Create a temp directory for testing.
ASSERT_TRUE(test_dir_.CreateUniqueTempDir());
}
void TearDown() override {
// Clean up test directory manually so we can fail if it leaks.
ASSERT_TRUE(test_dir_.Delete());
}
// The temporary directory used to contain the test operations.
base::ScopedTempDir test_dir_;
};
// The privilege tested in ScopeTokenPrivilege tests below.
// Use SE_RESTORE_NAME as it is one of the many privileges that is available,
// but not enabled by default on processes running at high integrity.
static const wchar_t kTestedPrivilege[] = SE_RESTORE_NAME;
// Returns true if the current process' token has privilege |privilege_name|
// enabled.
bool CurrentProcessHasPrivilege(const wchar_t* privilege_name) {
HANDLE temp_handle;
if (!::OpenProcessToken(::GetCurrentProcess(), TOKEN_QUERY,
&temp_handle)) {
ADD_FAILURE();
return false;
}
base::win::ScopedHandle token(temp_handle);
// First get the size of the buffer needed for |privileges| below.
DWORD size;
EXPECT_FALSE(::GetTokenInformation(token.Get(), TokenPrivileges, NULL, 0,
&size));
scoped_ptr<BYTE[]> privileges_bytes(new BYTE[size]);
TOKEN_PRIVILEGES* privileges =
reinterpret_cast<TOKEN_PRIVILEGES*>(privileges_bytes.get());
if (!::GetTokenInformation(token.Get(), TokenPrivileges, privileges, size,
&size)) {
ADD_FAILURE();
return false;
}
// There is no point getting a buffer to store more than |privilege_name|\0 as
// anything longer will obviously not be equal to |privilege_name|.
const DWORD desired_size = wcslen(privilege_name);
const DWORD buffer_size = desired_size + 1;
scoped_ptr<wchar_t[]> name_buffer(new wchar_t[buffer_size]);
for (int i = privileges->PrivilegeCount - 1; i >= 0 ; --i) {
LUID_AND_ATTRIBUTES& luid_and_att = privileges->Privileges[i];
DWORD size = buffer_size;
::LookupPrivilegeName(NULL, &luid_and_att.Luid, name_buffer.get(), &size);
if (size == desired_size &&
wcscmp(name_buffer.get(), privilege_name) == 0) {
return luid_and_att.Attributes == SE_PRIVILEGE_ENABLED;
}
}
return false;
}
} // namespace
// Test that we are parsing Chrome version correctly.
TEST_F(SetupUtilTestWithDir, GetMaxVersionFromArchiveDirTest) {
// Create a version dir
base::FilePath chrome_dir = test_dir_.path().AppendASCII("1.0.0.0");
base::CreateDirectory(chrome_dir);
ASSERT_TRUE(base::PathExists(chrome_dir));
scoped_ptr<Version> version(
installer::GetMaxVersionFromArchiveDir(test_dir_.path()));
ASSERT_EQ(version->GetString(), "1.0.0.0");
base::DeleteFile(chrome_dir, true);
ASSERT_FALSE(base::PathExists(chrome_dir));
ASSERT_TRUE(installer::GetMaxVersionFromArchiveDir(test_dir_.path()) == NULL);
chrome_dir = test_dir_.path().AppendASCII("ABC");
base::CreateDirectory(chrome_dir);
ASSERT_TRUE(base::PathExists(chrome_dir));
ASSERT_TRUE(installer::GetMaxVersionFromArchiveDir(test_dir_.path()) == NULL);
chrome_dir = test_dir_.path().AppendASCII("2.3.4.5");
base::CreateDirectory(chrome_dir);
ASSERT_TRUE(base::PathExists(chrome_dir));
version.reset(installer::GetMaxVersionFromArchiveDir(test_dir_.path()));
ASSERT_EQ(version->GetString(), "2.3.4.5");
// Create multiple version dirs, ensure that we select the greatest.
chrome_dir = test_dir_.path().AppendASCII("9.9.9.9");
base::CreateDirectory(chrome_dir);
ASSERT_TRUE(base::PathExists(chrome_dir));
chrome_dir = test_dir_.path().AppendASCII("1.1.1.1");
base::CreateDirectory(chrome_dir);
ASSERT_TRUE(base::PathExists(chrome_dir));
version.reset(installer::GetMaxVersionFromArchiveDir(test_dir_.path()));
ASSERT_EQ(version->GetString(), "9.9.9.9");
}
TEST_F(SetupUtilTestWithDir, DeleteFileFromTempProcess) {
base::FilePath test_file;
base::CreateTemporaryFileInDir(test_dir_.path(), &test_file);
ASSERT_TRUE(base::PathExists(test_file));
base::WriteFile(test_file, "foo", 3);
EXPECT_TRUE(installer::DeleteFileFromTempProcess(test_file, 0));
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(200));
EXPECT_FALSE(base::PathExists(test_file));
}
// Note: This test is only valid when run at high integrity (i.e. it will fail
// at medium integrity).
TEST(SetupUtilTest, ScopedTokenPrivilegeBasic) {
ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege));
{
installer::ScopedTokenPrivilege test_scoped_privilege(kTestedPrivilege);
ASSERT_TRUE(test_scoped_privilege.is_enabled());
ASSERT_TRUE(CurrentProcessHasPrivilege(kTestedPrivilege));
}
ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege));
}
// Note: This test is only valid when run at high integrity (i.e. it will fail
// at medium integrity).
TEST(SetupUtilTest, ScopedTokenPrivilegeAlreadyEnabled) {
ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege));
{
installer::ScopedTokenPrivilege test_scoped_privilege(kTestedPrivilege);
ASSERT_TRUE(test_scoped_privilege.is_enabled());
ASSERT_TRUE(CurrentProcessHasPrivilege(kTestedPrivilege));
{
installer::ScopedTokenPrivilege dup_scoped_privilege(kTestedPrivilege);
ASSERT_TRUE(dup_scoped_privilege.is_enabled());
ASSERT_TRUE(CurrentProcessHasPrivilege(kTestedPrivilege));
}
ASSERT_TRUE(CurrentProcessHasPrivilege(kTestedPrivilege));
}
ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege));
}
const char kAdjustProcessPriority[] = "adjust-process-priority";
PriorityClassChangeResult DoProcessPriorityAdjustment() {
return installer::AdjustProcessPriority() ? PCCR_CHANGED : PCCR_UNCHANGED;
}
namespace {
// A scoper that sets/resets the current process's priority class.
class ScopedPriorityClass {
public:
// Applies |priority_class|, returning an instance if a change was made.
// Otherwise, returns an empty scoped_ptr.
static scoped_ptr<ScopedPriorityClass> Create(DWORD priority_class);
~ScopedPriorityClass();
private:
explicit ScopedPriorityClass(DWORD original_priority_class);
DWORD original_priority_class_;
DISALLOW_COPY_AND_ASSIGN(ScopedPriorityClass);
};
scoped_ptr<ScopedPriorityClass> ScopedPriorityClass::Create(
DWORD priority_class) {
HANDLE this_process = ::GetCurrentProcess();
DWORD original_priority_class = ::GetPriorityClass(this_process);
EXPECT_NE(0U, original_priority_class);
if (original_priority_class && original_priority_class != priority_class) {
BOOL result = ::SetPriorityClass(this_process, priority_class);
EXPECT_NE(FALSE, result);
if (result) {
return scoped_ptr<ScopedPriorityClass>(
new ScopedPriorityClass(original_priority_class));
}
}
return scoped_ptr<ScopedPriorityClass>();
}
ScopedPriorityClass::ScopedPriorityClass(DWORD original_priority_class)
: original_priority_class_(original_priority_class) {}
ScopedPriorityClass::~ScopedPriorityClass() {
BOOL result = ::SetPriorityClass(::GetCurrentProcess(),
original_priority_class_);
EXPECT_NE(FALSE, result);
}
PriorityClassChangeResult RelaunchAndDoProcessPriorityAdjustment() {
base::CommandLine cmd_line(*base::CommandLine::ForCurrentProcess());
cmd_line.AppendSwitch(kAdjustProcessPriority);
base::Process process = base::LaunchProcess(cmd_line, base::LaunchOptions());
int exit_code = 0;
if (!process.IsValid()) {
ADD_FAILURE() << " to launch subprocess.";
} else if (!process.WaitForExit(&exit_code)) {
ADD_FAILURE() << " to wait for subprocess to exit.";
} else {
return static_cast<PriorityClassChangeResult>(exit_code);
}
return PCCR_UNKNOWN;
}
} // namespace
// Launching a subprocess at normal priority class is a noop.
TEST(SetupUtilTest, AdjustFromNormalPriority) {
ASSERT_EQ(NORMAL_PRIORITY_CLASS, ::GetPriorityClass(::GetCurrentProcess()));
EXPECT_EQ(PCCR_UNCHANGED, RelaunchAndDoProcessPriorityAdjustment());
}
// Launching a subprocess below normal priority class drops it to bg mode for
// sufficiently recent operating systems.
TEST(SetupUtilTest, AdjustFromBelowNormalPriority) {
scoped_ptr<ScopedPriorityClass> below_normal =
ScopedPriorityClass::Create(BELOW_NORMAL_PRIORITY_CLASS);
ASSERT_TRUE(below_normal);
if (base::win::GetVersion() > base::win::VERSION_SERVER_2003)
EXPECT_EQ(PCCR_CHANGED, RelaunchAndDoProcessPriorityAdjustment());
else
EXPECT_EQ(PCCR_UNCHANGED, RelaunchAndDoProcessPriorityAdjustment());
}
namespace {
// A test fixture that configures an InstallationState and an InstallerState
// with a product being updated.
class FindArchiveToPatchTest : public SetupUtilTestWithDir {
protected:
class FakeInstallationState : public installer::InstallationState {
};
class FakeProductState : public installer::ProductState {
public:
static FakeProductState* FromProductState(const ProductState* product) {
return static_cast<FakeProductState*>(const_cast<ProductState*>(product));
}
void set_version(const Version& version) {
if (version.IsValid())
version_.reset(new Version(version));
else
version_.reset();
}
void set_uninstall_command(const base::CommandLine& uninstall_command) {
uninstall_command_ = uninstall_command;
}
};
void SetUp() override {
SetupUtilTestWithDir::SetUp();
product_version_ = Version("30.0.1559.0");
max_version_ = Version("47.0.1559.0");
// Install the product according to the version.
original_state_.reset(new FakeInstallationState());
InstallProduct();
// Prepare to update the product in the temp dir.
installer_state_.reset(new installer::InstallerState(
kSystemInstall_ ? installer::InstallerState::SYSTEM_LEVEL :
installer::InstallerState::USER_LEVEL));
installer_state_->AddProductFromState(
kProductType_,
*original_state_->GetProductState(kSystemInstall_, kProductType_));
// Create archives in the two version dirs.
ASSERT_TRUE(
base::CreateDirectory(GetProductVersionArchivePath().DirName()));
ASSERT_EQ(1, base::WriteFile(GetProductVersionArchivePath(), "a", 1));
ASSERT_TRUE(
base::CreateDirectory(GetMaxVersionArchivePath().DirName()));
ASSERT_EQ(1, base::WriteFile(GetMaxVersionArchivePath(), "b", 1));
}
void TearDown() override {
original_state_.reset();
SetupUtilTestWithDir::TearDown();
}
base::FilePath GetArchivePath(const Version& version) const {
return test_dir_.path()
.AppendASCII(version.GetString())
.Append(installer::kInstallerDir)
.Append(installer::kChromeArchive);
}
base::FilePath GetMaxVersionArchivePath() const {
return GetArchivePath(max_version_);
}
base::FilePath GetProductVersionArchivePath() const {
return GetArchivePath(product_version_);
}
void InstallProduct() {
FakeProductState* product = FakeProductState::FromProductState(
original_state_->GetNonVersionedProductState(kSystemInstall_,
kProductType_));
product->set_version(product_version_);
base::CommandLine uninstall_command(
test_dir_.path()
.AppendASCII(product_version_.GetString())
.Append(installer::kInstallerDir)
.Append(installer::kSetupExe));
uninstall_command.AppendSwitch(installer::switches::kUninstall);
product->set_uninstall_command(uninstall_command);
}
void UninstallProduct() {
FakeProductState::FromProductState(
original_state_->GetNonVersionedProductState(kSystemInstall_,
kProductType_))
->set_version(Version());
}
static const bool kSystemInstall_;
static const BrowserDistribution::Type kProductType_;
Version product_version_;
Version max_version_;
scoped_ptr<FakeInstallationState> original_state_;
scoped_ptr<installer::InstallerState> installer_state_;
};
const bool FindArchiveToPatchTest::kSystemInstall_ = false;
const BrowserDistribution::Type FindArchiveToPatchTest::kProductType_ =
BrowserDistribution::CHROME_BROWSER;
} // namespace
// Test that the path to the advertised product version is found.
TEST_F(FindArchiveToPatchTest, ProductVersionFound) {
base::FilePath patch_source(installer::FindArchiveToPatch(
*original_state_, *installer_state_));
EXPECT_EQ(GetProductVersionArchivePath().value(), patch_source.value());
}
// Test that the path to the max version is found if the advertised version is
// missing.
TEST_F(FindArchiveToPatchTest, MaxVersionFound) {
// The patch file is absent.
ASSERT_TRUE(base::DeleteFile(GetProductVersionArchivePath(), false));
base::FilePath patch_source(installer::FindArchiveToPatch(
*original_state_, *installer_state_));
EXPECT_EQ(GetMaxVersionArchivePath().value(), patch_source.value());
// The product doesn't appear to be installed, so the max version is found.
UninstallProduct();
patch_source = installer::FindArchiveToPatch(
*original_state_, *installer_state_);
EXPECT_EQ(GetMaxVersionArchivePath().value(), patch_source.value());
}
// Test that an empty path is returned if no version is found.
TEST_F(FindArchiveToPatchTest, NoVersionFound) {
// The product doesn't appear to be installed and no archives are present.
UninstallProduct();
ASSERT_TRUE(base::DeleteFile(GetProductVersionArchivePath(), false));
ASSERT_TRUE(base::DeleteFile(GetMaxVersionArchivePath(), false));
base::FilePath patch_source(installer::FindArchiveToPatch(
*original_state_, *installer_state_));
EXPECT_EQ(base::FilePath::StringType(), patch_source.value());
}
namespace {
class MigrateMultiToSingleTest : public testing::Test {
protected:
void SetUp() override {
registry_override_manager_.OverrideRegistry(kRootKey);
}
static const bool kSystemLevel = false;
static const HKEY kRootKey;
static const wchar_t kVersionString[];
static const wchar_t kMultiChannel[];
registry_util::RegistryOverrideManager registry_override_manager_;
};
const bool MigrateMultiToSingleTest::kSystemLevel;
const HKEY MigrateMultiToSingleTest::kRootKey =
kSystemLevel ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
const wchar_t MigrateMultiToSingleTest::kVersionString[] = L"30.0.1574.0";
const wchar_t MigrateMultiToSingleTest::kMultiChannel[] =
L"2.0-dev-multi-chromeframe";
} // namespace
// Test migrating Chrome Frame from multi to single.
TEST_F(MigrateMultiToSingleTest, ChromeFrame) {
installer::ProductState chrome_frame;
installer::ProductState binaries;
DWORD usagestats = 0;
// Set up a config with dev-channel multi-install GCF.
base::win::RegKey key;
BrowserDistribution* dist = BrowserDistribution::GetSpecificDistribution(
BrowserDistribution::CHROME_BINARIES);
ASSERT_EQ(ERROR_SUCCESS,
base::win::RegKey(kRootKey, dist->GetVersionKey().c_str(),
KEY_SET_VALUE)
.WriteValue(google_update::kRegVersionField, kVersionString));
ASSERT_EQ(ERROR_SUCCESS,
base::win::RegKey(kRootKey, dist->GetStateKey().c_str(),
KEY_SET_VALUE)
.WriteValue(google_update::kRegApField, kMultiChannel));
ASSERT_EQ(ERROR_SUCCESS,
base::win::RegKey(kRootKey, dist->GetStateKey().c_str(),
KEY_SET_VALUE)
.WriteValue(google_update::kRegUsageStatsField, 1U));
dist = BrowserDistribution::GetSpecificDistribution(
BrowserDistribution::CHROME_FRAME);
ASSERT_EQ(ERROR_SUCCESS,
base::win::RegKey(kRootKey, dist->GetVersionKey().c_str(),
KEY_SET_VALUE)
.WriteValue(google_update::kRegVersionField, kVersionString));
ASSERT_EQ(ERROR_SUCCESS,
base::win::RegKey(kRootKey, dist->GetStateKey().c_str(),
KEY_SET_VALUE)
.WriteValue(google_update::kRegApField, kMultiChannel));
// Do the registry migration.
installer::InstallationState machine_state;
machine_state.Initialize();
installer::MigrateGoogleUpdateStateMultiToSingle(
kSystemLevel,
BrowserDistribution::CHROME_FRAME,
machine_state);
// Confirm that usagestats were copied to CF and that its channel was
// stripped.
ASSERT_TRUE(chrome_frame.Initialize(kSystemLevel,
BrowserDistribution::CHROME_FRAME));
EXPECT_TRUE(chrome_frame.GetUsageStats(&usagestats));
EXPECT_EQ(1U, usagestats);
EXPECT_EQ(L"2.0-dev", chrome_frame.channel().value());
// Confirm that the binaries' channel no longer contains GCF.
ASSERT_TRUE(binaries.Initialize(kSystemLevel,
BrowserDistribution::CHROME_BINARIES));
EXPECT_EQ(L"2.0-dev-multi", binaries.channel().value());
}
TEST(SetupUtilTest, ContainsUnsupportedSwitch) {
EXPECT_FALSE(installer::ContainsUnsupportedSwitch(
base::CommandLine::FromString(L"foo.exe")));
EXPECT_FALSE(installer::ContainsUnsupportedSwitch(
base::CommandLine::FromString(L"foo.exe --multi-install --chrome")));
EXPECT_TRUE(installer::ContainsUnsupportedSwitch(
base::CommandLine::FromString(L"foo.exe --chrome-frame")));
}
TEST(SetupUtilTest, GetRegistrationDataCommandKey) {
base::string16 app_guid = L"{AAAAAAAA-BBBB-1111-0123-456789ABCDEF}";
UpdatingAppRegistrationData reg_data(app_guid);
base::string16 key =
installer::GetRegistrationDataCommandKey(reg_data, L"test_name");
EXPECT_TRUE(base::EndsWith(key, app_guid + L"\\Commands\\test_name", true));
}