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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#include "precomp.h"
const DWORD TEST_CHILD_SENT_MESSAGE_ID = 0xFFFE;
const DWORD TEST_PARENT_SENT_MESSAGE_ID = 0xFFFF;
const HRESULT S_TEST_SUCCEEDED = 0x3133;
const char TEST_MESSAGE_DATA[] = "{94949868-7EAE-4ac5-BEAC-AFCA2821DE01}";
static BOOL STDAPICALLTYPE ElevateTest_ShellExecuteExW(
__inout LPSHELLEXECUTEINFOW lpExecInfo
);
static DWORD CALLBACK ElevateTest_ThreadProc(
__in LPVOID lpThreadParameter
);
static HRESULT ProcessParentMessages(
__in BURN_PIPE_MESSAGE* pMsg,
__in_opt LPVOID pvContext,
__out DWORD* pdwResult
);
static HRESULT ProcessChildMessages(
__in BURN_PIPE_MESSAGE* pMsg,
__in_opt LPVOID pvContext,
__out DWORD* pdwResult
);
namespace Microsoft
{
namespace Tools
{
namespace WindowsInstallerXml
{
namespace Test
{
namespace Bootstrapper
{
using namespace System;
using namespace System::IO;
using namespace System::Threading;
using namespace Xunit;
public ref class ElevationTest : BurnUnitTest
{
public:
ElevationTest(BurnTestFixture^ fixture) : BurnUnitTest(fixture)
{
}
[Fact]
void ElevateTest()
{
HRESULT hr = S_OK;
BURN_ENGINE_STATE engineState = { };
BURN_PIPE_CONNECTION* pConnection = &engineState.companionConnection;
DWORD dwResult = S_OK;
engineState.sczBundleEngineWorkingPath = L"tests\\ignore\\this\\path\\to\\burn.exe";
try
{
ShelFunctionOverride(ElevateTest_ShellExecuteExW);
CoreFunctionOverride(NULL, ThrdWaitForCompletion);
PipeConnectionInitialize(pConnection);
//
// per-user side setup
//
hr = ElevationElevate(&engineState, WM_BURN_ELEVATE, NULL);
TestThrowOnFailure(hr, L"Failed to elevate.");
// post execute message
hr = PipeSendMessage(pConnection->hPipe, TEST_PARENT_SENT_MESSAGE_ID, NULL, 0, ProcessParentMessages, NULL, &dwResult);
TestThrowOnFailure(hr, "Failed to post execute message to per-machine process.");
//
// initiate termination
//
hr = PipeTerminateChildProcess(pConnection, 666, FALSE);
TestThrowOnFailure(hr, L"Failed to terminate elevated process.");
// check flags
Assert::Equal(S_TEST_SUCCEEDED, (HRESULT)dwResult);
}
finally
{
PipeConnectionUninitialize(pConnection);
}
}
};
}
}
}
}
}
static BOOL STDAPICALLTYPE ElevateTest_ShellExecuteExW(
__inout LPSHELLEXECUTEINFOW lpExecInfo
)
{
HRESULT hr = S_OK;
LPWSTR scz = NULL;
hr = StrAllocString(&scz, lpExecInfo->lpParameters, 0);
ExitOnFailure(hr, "Failed to copy arguments.");
// Pretend this thread is the elevated process.
lpExecInfo->hProcess = ::CreateThread(NULL, 0, ElevateTest_ThreadProc, scz, 0, NULL);
ExitOnNullWithLastError(lpExecInfo->hProcess, hr, "Failed to create thread.");
scz = NULL;
LExit:
ReleaseStr(scz);
return SUCCEEDED(hr);
}
static DWORD CALLBACK ElevateTest_ThreadProc(
__in LPVOID lpThreadParameter
)
{
HRESULT hr = S_OK;
LPWSTR sczArguments = (LPWSTR)lpThreadParameter;
BURN_PIPE_CONNECTION connection = { };
BURN_PIPE_RESULT result = { };
PipeConnectionInitialize(&connection);
StrAlloc(&connection.sczName, MAX_PATH);
StrAlloc(&connection.sczSecret, MAX_PATH);
// parse command line arguments
if (3 != swscanf_s(sczArguments, L"-q -burn.elevated %s %s %u", connection.sczName, MAX_PATH, connection.sczSecret, MAX_PATH, &connection.dwProcessId))
{
hr = E_INVALIDARG;
ExitOnFailure(hr, "Failed to parse argument string.");
}
// set up connection with per-user process
hr = PipeChildConnect(&connection, TRUE);
ExitOnFailure(hr, "Failed to connect to per-user process.");
// pump messages
hr = PipePumpMessages(connection.hPipe, ProcessChildMessages, static_cast<LPVOID>(connection.hPipe), &result);
ExitOnFailure(hr, "Failed while pumping messages in child 'process'.");
LExit:
PipeConnectionUninitialize(&connection);
ReleaseStr(sczArguments);
return FAILED(hr) ? (DWORD)hr : result.dwResult;
}
static HRESULT ProcessParentMessages(
__in BURN_PIPE_MESSAGE* pMsg,
__in_opt LPVOID /*pvContext*/,
__out DWORD* pdwResult
)
{
HRESULT hr = S_OK;
HRESULT hrResult = E_INVALIDDATA;
// Process the message.
switch (pMsg->dwMessage)
{
case TEST_CHILD_SENT_MESSAGE_ID:
if (sizeof(TEST_MESSAGE_DATA) == pMsg->cbData && 0 == memcmp(TEST_MESSAGE_DATA, pMsg->pvData, sizeof(TEST_MESSAGE_DATA)))
{
hrResult = S_TEST_SUCCEEDED;
}
break;
default:
hr = E_INVALIDARG;
ExitOnRootFailure(hr, "Unexpected elevated message sent to parent process, msg: %u", pMsg->dwMessage);
}
*pdwResult = static_cast<DWORD>(hrResult);
LExit:
return hr;
}
static HRESULT ProcessChildMessages(
__in BURN_PIPE_MESSAGE* pMsg,
__in_opt LPVOID pvContext,
__out DWORD* pdwResult
)
{
HRESULT hr = S_OK;
HANDLE hPipe = static_cast<HANDLE>(pvContext);
DWORD dwResult = 0;
// Process the message.
switch (pMsg->dwMessage)
{
case TEST_PARENT_SENT_MESSAGE_ID:
// send test message
hr = PipeSendMessage(hPipe, TEST_CHILD_SENT_MESSAGE_ID, (LPVOID)TEST_MESSAGE_DATA, sizeof(TEST_MESSAGE_DATA), NULL, NULL, &dwResult);
ExitOnFailure(hr, "Failed to send message to per-machine process.");
break;
default:
hr = E_INVALIDARG;
ExitOnRootFailure(hr, "Unexpected elevated message sent to child process, msg: %u", pMsg->dwMessage);
}
*pdwResult = dwResult;
LExit:
return hr;
}
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