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Copy pathPluginTests.cpp
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669 lines (530 loc) · 23.1 KB
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/*++
Copyright (c) Microsoft. All rights reserved.
Module Name:
PluginTests.cpp
Abstract:
This file contains test cases for the plugin API.
--*/
#include "precomp.h"
#include "Common.h"
#include "registry.hpp"
#include "PluginTests.h"
using namespace wsl::windows::common::registry;
extern std::wstring g_testDistroPath;
class PluginTests
{
std::wstring logFile;
bool m_initialized = false;
std::wstring pluginDll;
std::optional<WslConfigChange> config;
WSL_TEST_CLASS(PluginTests)
TEST_CLASS_SETUP(TestClassSetup)
{
VERIFY_ARE_EQUAL(LxsstuInitialize(FALSE), TRUE);
m_initialized = true;
logFile = wil::GetCurrentDirectoryW<std::wstring>() + L"\\plugin-logs.txt";
const auto currentDll = std::filesystem::path(wil::GetModuleFileNameW<std::wstring>(wil::GetModuleInstanceHandle()));
const auto pluginDllPath = currentDll.parent_path() / L"testplugin.dll";
if (!std::filesystem::exists(pluginDllPath))
{
const std::wstring message = L"Plugin not found in: " + pluginDllPath.wstring();
VERIFY_FAIL(message.c_str());
return false;
}
pluginDll = pluginDllPath.wstring();
// Disable VM timeouts during the plugin tests
config.emplace(LxssGenerateTestConfig({.vmIdleTimeout = -1}));
return true;
}
TEST_CLASS_CLEANUP(TestClassCleanup)
{
auto key = OpenLxssMachineKey(KEY_ALL_ACCESS);
DeleteKey(key.get(), L"Test");
key = OpenKey(key.get(), L"Plugins", KEY_SET_VALUE);
DeleteValue(key.get(), L"TestPlugin");
RestartWslService();
std::wifstream file(logFile);
const auto fileContent = std::wstring{std::istreambuf_iterator<wchar_t>(file), {}};
LogInfo("Logfile: %ls", fileContent.c_str());
file.close();
StopWslService();
if (!DeleteFile(logFile.c_str()))
{
VERIFY_ARE_EQUAL(ERROR_FILE_NOT_FOUND, GetLastError());
}
if (m_initialized)
{
LxsstuUninitialize(FALSE);
}
return true;
}
void ConfigurePlugin(PluginTestType testCase) const
{
StopWslService();
if (!DeleteFile(logFile.c_str()))
{
VERIFY_ARE_EQUAL(ERROR_FILE_NOT_FOUND, GetLastError());
}
const auto testKey = OpenTestRegistryKey(KEY_SET_VALUE);
WriteDword(testKey.get(), nullptr, c_testType, static_cast<DWORD>(testCase));
WriteString(testKey.get(), nullptr, c_logFile, logFile.c_str());
const auto lxssKey =
CreateKey(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Lxss\\Plugins", KEY_SET_VALUE, nullptr, 0);
WriteString(lxssKey.get(), nullptr, L"TestPlugin", pluginDll.c_str());
RestartWslService();
}
static void StartWsl(int expectedExitCode, LPCWSTR ExpectedOutput = nullptr)
{
auto [output, error] = LxsstuLaunchWslAndCaptureOutput(L"echo -n OK", expectedExitCode);
if (expectedExitCode == 0)
{
VERIFY_ARE_EQUAL(output, L"OK");
}
else
{
VERIFY_ARE_EQUAL(output, ExpectedOutput);
}
}
void ValidateLogFile(LPCWSTR expected) const
{
StopWslService();
std::wifstream file(logFile);
auto fileContent = std::wstring{std::istreambuf_iterator<wchar_t>(file), {}};
LogInfo("Logfile: %ls", fileContent.c_str());
auto fileLines = wsl::shared::string::Split<wchar_t>(fileContent, '\n');
auto expectedLines = wsl::shared::string::Split<wchar_t>(expected, '\n');
for (size_t i = 0; i < std::max(fileLines.size(), expectedLines.size()); i++)
{
if (i >= fileLines.size())
{
std::wstring message = L"Line is expected but not in log file: " + expectedLines[i];
VERIFY_FAIL(message.c_str());
}
else if (i >= expectedLines.size())
{
std::wstring message = L"Line is in file but not expected: " + fileLines[i];
VERIFY_FAIL(message.c_str());
}
const auto& expected = expectedLines[i];
const auto& actual = fileLines[i];
if (!PathMatchSpec(actual.c_str(), expected.c_str()))
{
LogInfo("Plugin log: %ls", fileContent.c_str());
std::wstring message = L"Line (" + actual + L") didn't match pattern: " + expected;
VERIFY_FAIL(message.c_str());
}
}
}
TEST_METHOD(Success)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=1
VM created (settings->CustomConfigurationFlags=0)
Folder mounted (* -> /test-plugin)
Process created
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
ConfigurePlugin(PluginTestType::Success);
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(CustomKernelOverridenByPolicy)
{
WSL2_TEST_ONLY();
RegistryKeyChange policy(
HKEY_LOCAL_MACHINE, wsl::windows::policies::c_registryKey, wsl::windows::policies::c_allowCustomKernelUserSetting, static_cast<DWORD>(0));
WslConfigChange config(LxssGenerateTestConfig({.kernel = L"kernel-that-doesn't-exist"}));
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=1
VM created (settings->CustomConfigurationFlags=0)
Folder mounted (* -> /test-plugin)
Process created
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
ConfigurePlugin(PluginTestType::Success);
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(DuplicatedPlugin)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=1
VM created (settings->CustomConfigurationFlags=0)
Folder mounted (* -> /test-plugin)
Process created
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
ConfigurePlugin(PluginTestType::Success);
// Register the same plugin dll twice. Validate that it's only called once.
const auto key =
CreateKey(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Lxss\\Plugins", KEY_SET_VALUE, nullptr, 0);
WriteString(key.get(), nullptr, L"TestPlugin-duplicated", pluginDll.c_str());
auto cleanup = wil::scope_exit_log(WI_DIAGNOSTICS_INFO, [&]() { DeleteValue(key.get(), L"TestPlugin-duplicated"); });
RestartWslService();
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(CustomKernel)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=1
VM created (settings->CustomConfigurationFlags=1)
OnVmStarted: E_ACCESSDENIED
VM Stopping)";
#ifdef WSL_KERNEL_PATH
std::wstring kernelPath = WIDEN(WSL_KERNEL_PATH);
#else
auto kernelPath = wsl::windows::common::wslutil::GetMsiPackagePath().value_or(L"");
VERIFY_IS_FALSE(kernelPath.empty());
kernelPath += L"\\tools\\kernel";
#endif
WslConfigChange config(LxssGenerateTestConfig({.vmIdleTimeout = 1, .kernel = kernelPath}));
ConfigurePlugin(PluginTestType::Success);
StartWsl(
-1,
L"A fatal error was returned by plugin 'TestPlugin'\r\nError code: "
L"Wsl/Service/CreateInstance/CreateVm/Plugin/E_ACCESSDENIED\r\n");
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(CustomKernelCommandLine)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=1
VM created (settings->CustomConfigurationFlags=2)
Folder mounted (* -> /test-plugin)
Process created
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
WslConfigChange config(LxssGenerateTestConfig({.vmIdleTimeout = 1, .kernelCommandLine = L"custom"}));
ConfigurePlugin(PluginTestType::Success);
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(DistroIdStaysTheSame)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=10
VM created (settings->CustomConfigurationFlags=0)
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping
VM created (settings->CustomConfigurationFlags=0)
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
OnDistroStarted: received same GUID
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
ConfigurePlugin(PluginTestType::SameDistroId);
StartWsl(0);
WslShutdown();
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(InitPidIsDifferent)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=14
VM created (settings->CustomConfigurationFlags=0)
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Init's pid is different (* ! = *)
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
ConfigurePlugin(PluginTestType::InitPidIsDifferent);
StartWsl(0);
TerminateDistribution();
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(PluginUpdateRequired)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=9
OnLoad: WSL_E_PLUGINREQUIRESUPDATE)";
ConfigurePlugin(PluginTestType::PluginRequiresUpdate);
StartWsl(
-1,
L"The plugin 'TestPlugin' requires a newer version of WSL. Please run: wsl.exe --update\r\nError code: "
L"Wsl/Service/CreateInstance/CreateVm/Plugin/WSL_E_PLUGIN_REQUIRES_UPDATE\r\n");
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(APIErrors)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=7
VM created (settings->CustomConfigurationFlags=0)
API error tests passed
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
ConfigurePlugin(PluginTestType::ApiErrors);
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(SuccessWSL1)
{
WSL1_TEST_ONLY();
constexpr auto ExpectedOutput = LR"(Plugin loaded. TestMode=1)";
ConfigurePlugin(PluginTestType::Success);
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(LoadFailureFatalWSL2)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=2
OnLoad: E_UNEXPECTED)";
ConfigurePlugin(PluginTestType::FailToLoad);
StartWsl(
-1,
L"A fatal error was returned by plugin 'TestPlugin'\r\nError code: "
L"Wsl/Service/CreateInstance/CreateVm/Plugin/E_UNEXPECTED\r\n");
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(LoadFailureNonFatalWSL1)
{
WSL1_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=2
OnLoad: E_UNEXPECTED)";
ConfigurePlugin(PluginTestType::FailToLoad);
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(VmStartFailure)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=3
VM created (settings->CustomConfigurationFlags=0)
OnVmStarted: E_UNEXPECTED
VM Stopping)";
ConfigurePlugin(PluginTestType::FailToStartVm);
StartWsl(
-1,
L"A fatal error was returned by plugin 'TestPlugin'\r\nError code: "
L"Wsl/Service/CreateInstance/CreateVm/Plugin/E_UNEXPECTED\r\n");
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(VmStartFailureWithPluginErrorTwice)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=13
VM created (settings->CustomConfigurationFlags=0)
OnVmStarted: E_UNEXPECTED
VM Stopping
VM created (settings->CustomConfigurationFlags=0)
OnVmStarted: E_UNEXPECTED
VM Stopping)";
ConfigurePlugin(PluginTestType::FailToStartVmWithPluginErrorMessage);
StartWsl(
-1,
L"A fatal error was returned by plugin 'TestPlugin'. Error message: 'Plugin error message'\r\nError code: "
L"Wsl/Service/CreateInstance/CreateVm/Plugin/E_UNEXPECTED\r\n");
StartWsl(
-1,
L"A fatal error was returned by plugin 'TestPlugin'. Error message: 'Plugin error message'\r\nError code: "
L"Wsl/Service/CreateInstance/CreateVm/Plugin/E_UNEXPECTED\r\n");
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(VmStopFailure)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=5
VM created (settings->CustomConfigurationFlags=0)
Distribution started, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping
OnVmStopping: E_UNEXPECTED)";
ConfigurePlugin(PluginTestType::FailToStopVm);
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(DistributionStartFailure)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=4
VM created (settings->CustomConfigurationFlags=0)
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
OnDistroStarted: E_UNEXPECTED
VM Stopping)";
constexpr auto ExpectedError =
L"A fatal error was returned by plugin 'TestPlugin'\r\nError code: "
L"Wsl/Service/CreateInstance/Plugin/E_UNEXPECTED\r\n";
ConfigurePlugin(PluginTestType::FailToStartDistro);
StartWsl(-1, ExpectedError);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(DistributionStopFailure)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=6
VM created (settings->CustomConfigurationFlags=0)
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
OnDistroStopping: E_UNEXPECTED
VM Stopping)";
ConfigurePlugin(PluginTestType::FailToStopDistro);
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(ErrorMessageStartVm)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=11
VM created (settings->CustomConfigurationFlags=0)
OnVmStarted: E_FAIL
VM Stopping)";
ConfigurePlugin(PluginTestType::ErrorMessageStartVm);
StartWsl(
-1,
L"A fatal error was returned by plugin 'TestPlugin'. Error message: 'StartVm plugin error message'\r\nError code: "
L"Wsl/Service/CreateInstance/CreateVm/Plugin/E_FAIL\r\n");
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(ErrorMessageStartDistro)
{
WSL2_TEST_ONLY();
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=12
VM created (settings->CustomConfigurationFlags=0)
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
OnDistroStarted: E_FAIL
VM Stopping)";
ConfigurePlugin(PluginTestType::ErrorMessageStartDistro);
StartWsl(
-1,
L"A fatal error was returned by plugin 'TestPlugin'. Error message: 'StartDistro plugin error message'\r\nError "
L"code: "
L"Wsl/Service/CreateInstance/Plugin/E_FAIL\r\n");
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(RegisterSuccess)
{
WSL2_TEST_ONLY();
ConfigurePlugin(PluginTestType::Success);
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--import plugin-test-distro . \"" + g_testDistroPath + L"\" --version 2"), 0L);
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--unregister plugin-test-distro"), 0L);
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=1
VM created (settings->CustomConfigurationFlags=0)
Folder mounted (* -> /test-plugin)
Process created
Distribution registered, name=plugin-test-distro, package=, Flavor=debian, Version=12
Distribution unregistered, name=plugin-test-distro, package=, Flavor=debian, Version=12
VM Stopping)";
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(ImportInplaceSuccess)
{
WSL2_TEST_ONLY();
ConfigurePlugin(PluginTestType::Success);
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--import plugin-test-distro . \"" + g_testDistroPath + L"\" --version 2"), 0L);
WslShutdown();
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--export plugin-test-distro plugin-test-distro.vhdx --format vhd"), 0L);
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--unregister plugin-test-distro"), 0L);
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--import-in-place plugin-test-distro-vhd plugin-test-distro.vhdx"), 0L);
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--unregister plugin-test-distro-vhd"), 0L);
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=1
VM created (settings->CustomConfigurationFlags=0)
Folder mounted (* -> /test-plugin)
Process created
Distribution registered, name=plugin-test-distro, package=, Flavor=debian, Version=12
VM Stopping
Distribution unregistered, name=plugin-test-distro, package=, Flavor=debian, Version=12
VM created (settings->CustomConfigurationFlags=0)
Folder mounted (* -> /test-plugin)
Process created
Distribution registered, name=plugin-test-distro-vhd, package=, Flavor=debian, Version=12
Distribution unregistered, name=plugin-test-distro-vhd, package=, Flavor=debian, Version=12
VM Stopping)";
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(RegisterUnregisterFail)
{
WSL2_TEST_ONLY();
ConfigurePlugin(PluginTestType::FailToRegisterUnregisterDistro);
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--import plugin-test-distro . \"" + g_testDistroPath + L"\" --version 2"), 0L);
VERIFY_ARE_EQUAL(LxsstuLaunchWsl(L"--unregister plugin-test-distro"), 0L);
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=15
VM created (settings->CustomConfigurationFlags=0)
Distribution registered, name=plugin-test-distro, package=, Flavor=debian, Version=12
OnDistributionRegisted: E_UNEXPECTED
Distribution unregistered, name=plugin-test-distro, package=, Flavor=debian, Version=12
OnDistributionUnregistered: E_UNEXPECTED
VM Stopping)";
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(ExecuteDistroCommand)
{
WSL2_TEST_ONLY();
ConfigurePlugin(PluginTestType::RunDistroCommand);
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=16
VM created (settings->CustomConfigurationFlags=0)
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Process created
Failed process launch returned: -2147467259
Invalid distro launch returned: -2147220717
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
TEST_METHOD(PluginToken)
{
WSL2_TEST_ONLY();
ConfigurePlugin(PluginTestType::GetUsername);
constexpr auto ExpectedOutput =
LR"(Plugin loaded. TestMode=17
VM created (settings->CustomConfigurationFlags=0)
Username: *
Distribution started, name=test_distro, package=, PidNs=*, InitPid=*, Flavor=debian, Version=12
Distribution Stopping, name=test_distro, package=, PidNs=*, Flavor=debian, Version=12
VM Stopping)";
StartWsl(0);
ValidateLogFile(ExpectedOutput);
}
// This test must run last so it doesn't break test cases that depends on plugin signature.
TEST_METHOD(InvalidPluginSignature)
{
WSL2_TEST_ONLY();
if constexpr (!wsl::shared::OfficialBuild)
{
LogSkipped("This test only applies to signed builds");
return;
}
StopWslService();
// Append one byte at the end of the plugin dll to break its signature
wil::unique_handle plugin{CreateFile(pluginDll.c_str(), FILE_APPEND_DATA, 0, nullptr, OPEN_EXISTING, 0, nullptr)};
VERIFY_IS_TRUE(plugin.is_valid());
char c{};
VERIFY_IS_TRUE(WriteFile(plugin.get(), &c, sizeof(c), nullptr, nullptr));
plugin.reset();
ConfigurePlugin(PluginTestType::ErrorMessageStartDistro);
StartWsl(
-1,
L"A fatal error was returned by plugin 'TestPlugin'\r\nError code: "
L"Wsl/Service/CreateInstance/CreateVm/Plugin/TRUST_E_NOSIGNATURE\r\n");
}
};
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