1 files changed, 820 insertions, 0 deletions

diff --git a/src/engine/exeengine.cpp b/src/engine/exeengine.cpp
new file mode 100644
index 00000000..71540d5d
--- /dev/null
+++ b/src/engine/exeengine.cpp
@@ -0,0 +1,820 @@
+// 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"
+
+
+// internal function declarations
+
+static HRESULT HandleExitCode(
+    __in BURN_PACKAGE* pPackage,
+    __in DWORD dwExitCode,
+    __out BOOTSTRAPPER_APPLY_RESTART* pRestart
+    );
+static HRESULT ParseCommandLineArgumentsFromXml(
+    __in IXMLDOMNode* pixnExePackage,
+    __in BURN_PACKAGE* pPackage
+    );
+static HRESULT ParseExitCodesFromXml(
+    __in IXMLDOMNode* pixnExePackage,
+    __in BURN_PACKAGE* pPackage
+    );
+
+
+// function definitions
+
+extern "C" HRESULT ExeEngineParsePackageFromXml(
+    __in IXMLDOMNode* pixnExePackage,
+    __in BURN_PACKAGE* pPackage
+    )
+{
+    HRESULT hr = S_OK;
+    IXMLDOMNodeList* pixnNodes = NULL;
+    IXMLDOMNode* pixnNode = NULL;
+    LPWSTR scz = NULL;
+
+    // @DetectCondition
+    hr = XmlGetAttributeEx(pixnExePackage, L"DetectCondition", &pPackage->Exe.sczDetectCondition);
+    ExitOnFailure(hr, "Failed to get @DetectCondition.");
+
+    // @InstallArguments
+    hr = XmlGetAttributeEx(pixnExePackage, L"InstallArguments", &pPackage->Exe.sczInstallArguments);
+    ExitOnFailure(hr, "Failed to get @InstallArguments.");
+
+    // @UninstallArguments
+    hr = XmlGetAttributeEx(pixnExePackage, L"UninstallArguments", &pPackage->Exe.sczUninstallArguments);
+    ExitOnFailure(hr, "Failed to get @UninstallArguments.");
+
+    // @RepairArguments
+    hr = XmlGetAttributeEx(pixnExePackage, L"RepairArguments", &pPackage->Exe.sczRepairArguments);
+    ExitOnFailure(hr, "Failed to get @RepairArguments.");
+
+    // @Repairable
+    hr = XmlGetYesNoAttribute(pixnExePackage, L"Repairable", &pPackage->Exe.fRepairable);
+    if (E_NOTFOUND != hr)
+    {
+        ExitOnFailure(hr, "Failed to get @Repairable.");
+    }
+
+    // @Protocol
+    hr = XmlGetAttributeEx(pixnExePackage, L"Protocol", &scz);
+    if (SUCCEEDED(hr))
+    {
+        if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, 0, scz, -1, L"burn", -1))
+        {
+            pPackage->Exe.protocol = BURN_EXE_PROTOCOL_TYPE_BURN;
+        }
+        else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, 0, scz, -1, L"netfx4", -1))
+        {
+            pPackage->Exe.protocol = BURN_EXE_PROTOCOL_TYPE_NETFX4;
+        }
+        else if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, 0, scz, -1, L"none", -1))
+        {
+            pPackage->Exe.protocol = BURN_EXE_PROTOCOL_TYPE_NONE;
+        }
+        else
+        {
+            hr = E_UNEXPECTED;
+            ExitOnFailure(hr, "Invalid protocol type: %ls", scz);
+        }
+    }
+    else if (E_NOTFOUND != hr)
+    {
+        ExitOnFailure(hr, "Failed to get @Protocol.");
+    }
+
+    hr = ParseExitCodesFromXml(pixnExePackage, pPackage);
+    ExitOnFailure(hr, "Failed to parse exit codes.");
+
+    hr = ParseCommandLineArgumentsFromXml(pixnExePackage, pPackage);
+    ExitOnFailure(hr, "Failed to parse command lines.");
+
+LExit:
+    ReleaseObject(pixnNodes);
+    ReleaseObject(pixnNode);
+    ReleaseStr(scz);
+
+    return hr;
+}
+
+extern "C" void ExeEnginePackageUninitialize(
+    __in BURN_PACKAGE* pPackage
+    )
+{
+    ReleaseStr(pPackage->Exe.sczDetectCondition);
+    ReleaseStr(pPackage->Exe.sczInstallArguments);
+    ReleaseStr(pPackage->Exe.sczRepairArguments);
+    ReleaseStr(pPackage->Exe.sczUninstallArguments);
+    ReleaseStr(pPackage->Exe.sczIgnoreDependencies);
+    ReleaseStr(pPackage->Exe.sczAncestors);
+    //ReleaseStr(pPackage->Exe.sczProgressSwitch);
+    ReleaseMem(pPackage->Exe.rgExitCodes);
+
+    // free command-line arguments
+    if (pPackage->Exe.rgCommandLineArguments)
+    {
+        for (DWORD i = 0; i < pPackage->Exe.cCommandLineArguments; ++i)
+        {
+            BURN_EXE_COMMAND_LINE_ARGUMENT* pCommandLineArgument = &pPackage->Exe.rgCommandLineArguments[i];
+            ReleaseStr(pCommandLineArgument->sczInstallArgument);
+            ReleaseStr(pCommandLineArgument->sczUninstallArgument);
+            ReleaseStr(pCommandLineArgument->sczRepairArgument);
+            ReleaseStr(pCommandLineArgument->sczCondition);
+        }
+        MemFree(pPackage->Exe.rgCommandLineArguments);
+    }
+
+    // clear struct
+    memset(&pPackage->Exe, 0, sizeof(pPackage->Exe));
+}
+
+extern "C" HRESULT ExeEngineDetectPackage(
+    __in BURN_PACKAGE* pPackage,
+    __in BURN_VARIABLES* pVariables
+    )
+{
+    HRESULT hr = S_OK;
+    BOOL fDetected = FALSE;
+
+    // evaluate detect condition
+    if (pPackage->Exe.sczDetectCondition && *pPackage->Exe.sczDetectCondition)
+    {
+        hr = ConditionEvaluate(pVariables, pPackage->Exe.sczDetectCondition, &fDetected);
+        ExitOnFailure(hr, "Failed to evaluate executable package detect condition.");
+    }
+
+    // update detect state
+    pPackage->currentState = fDetected ? BOOTSTRAPPER_PACKAGE_STATE_PRESENT : BOOTSTRAPPER_PACKAGE_STATE_ABSENT;
+
+LExit:
+    return hr;
+}
+
+//
+// PlanCalculate - calculates the execute and rollback state for the requested package state.
+//
+extern "C" HRESULT ExeEnginePlanCalculatePackage(
+    __in BURN_PACKAGE* pPackage,
+    __out_opt BOOL* pfBARequestedCache
+    )
+{
+    HRESULT hr = S_OK;
+    //BOOL fCondition = FALSE;
+    //BOOTSTRAPPER_PACKAGE_STATE expected = BOOTSTRAPPER_PACKAGE_STATE_UNKNOWN;
+    BOOTSTRAPPER_ACTION_STATE execute = BOOTSTRAPPER_ACTION_STATE_NONE;
+    BOOTSTRAPPER_ACTION_STATE rollback = BOOTSTRAPPER_ACTION_STATE_NONE;
+    BOOL fBARequestedCache = FALSE;
+
+    //// evaluate rollback install condition
+    //if (pPackage->sczRollbackInstallCondition)
+    //{
+    //    hr = ConditionEvaluate(pVariables, pPackage->sczRollbackInstallCondition, &fCondition);
+    //    ExitOnFailure(hr, "Failed to evaluate rollback install condition.");
+
+    //    expected = fCondition ? BOOTSTRAPPER_PACKAGE_STATE_PRESENT : BOOTSTRAPPER_PACKAGE_STATE_ABSENT;
+    //}
+
+    // execute action
+    switch (pPackage->currentState)
+    {
+    case BOOTSTRAPPER_PACKAGE_STATE_PRESENT:
+        switch (pPackage->requested)
+        {
+        case BOOTSTRAPPER_REQUEST_STATE_PRESENT:
+            execute = pPackage->Exe.fPseudoBundle ? BOOTSTRAPPER_ACTION_STATE_INSTALL : BOOTSTRAPPER_ACTION_STATE_NONE;
+            break;
+        case BOOTSTRAPPER_REQUEST_STATE_REPAIR:
+            execute = pPackage->Exe.fRepairable ? BOOTSTRAPPER_ACTION_STATE_REPAIR : BOOTSTRAPPER_ACTION_STATE_NONE;
+            break;
+        case BOOTSTRAPPER_REQUEST_STATE_ABSENT: __fallthrough;
+        case BOOTSTRAPPER_REQUEST_STATE_CACHE:
+            execute = pPackage->fUninstallable ? BOOTSTRAPPER_ACTION_STATE_UNINSTALL : BOOTSTRAPPER_ACTION_STATE_NONE;
+            break;
+        case BOOTSTRAPPER_REQUEST_STATE_FORCE_ABSENT:
+            execute = BOOTSTRAPPER_ACTION_STATE_UNINSTALL;
+            break;
+        default:
+            execute = BOOTSTRAPPER_ACTION_STATE_NONE;
+            break;
+        }
+        break;
+
+    case BOOTSTRAPPER_PACKAGE_STATE_ABSENT:
+        switch (pPackage->requested)
+        {
+        case BOOTSTRAPPER_REQUEST_STATE_PRESENT: __fallthrough;
+        case BOOTSTRAPPER_REQUEST_STATE_REPAIR:
+            execute = BOOTSTRAPPER_ACTION_STATE_INSTALL;
+            break;
+        case BOOTSTRAPPER_REQUEST_STATE_CACHE:
+            execute = BOOTSTRAPPER_ACTION_STATE_NONE;
+            fBARequestedCache = TRUE;
+            break;
+        default:
+            execute = BOOTSTRAPPER_ACTION_STATE_NONE;
+            break;
+        }
+        break;
+
+    default:
+        hr = E_INVALIDARG;
+        ExitOnRootFailure(hr, "Invalid package current state: %d.", pPackage->currentState);
+    }
+
+    // Calculate the rollback action if there is an execute action.
+    if (BOOTSTRAPPER_ACTION_STATE_NONE != execute)
+    {
+        switch (BOOTSTRAPPER_PACKAGE_STATE_UNKNOWN != pPackage->expected ? pPackage->expected : pPackage->currentState)
+        {
+        case BOOTSTRAPPER_PACKAGE_STATE_PRESENT:
+            switch (pPackage->requested)
+            {
+            case BOOTSTRAPPER_REQUEST_STATE_PRESENT: __fallthrough;
+            case BOOTSTRAPPER_REQUEST_STATE_REPAIR:
+                rollback = BOOTSTRAPPER_ACTION_STATE_NONE;
+                break;
+            case BOOTSTRAPPER_REQUEST_STATE_FORCE_ABSENT: __fallthrough;
+            case BOOTSTRAPPER_REQUEST_STATE_ABSENT:
+                rollback = BOOTSTRAPPER_ACTION_STATE_INSTALL;
+                break;
+            default:
+                rollback = BOOTSTRAPPER_ACTION_STATE_NONE;
+                break;
+            }
+            break;
+
+        case BOOTSTRAPPER_PACKAGE_STATE_ABSENT:
+            switch (pPackage->requested)
+            {
+            case BOOTSTRAPPER_REQUEST_STATE_PRESENT: __fallthrough;
+            case BOOTSTRAPPER_REQUEST_STATE_REPAIR:
+                rollback = pPackage->fUninstallable ? BOOTSTRAPPER_ACTION_STATE_UNINSTALL : BOOTSTRAPPER_ACTION_STATE_NONE;
+                break;
+            case BOOTSTRAPPER_REQUEST_STATE_FORCE_ABSENT: __fallthrough;
+            case BOOTSTRAPPER_REQUEST_STATE_ABSENT:
+                rollback = BOOTSTRAPPER_ACTION_STATE_NONE;
+                break;
+            default:
+                rollback = BOOTSTRAPPER_ACTION_STATE_NONE;
+                break;
+            }
+            break;
+
+        default:
+            hr = E_INVALIDARG;
+            ExitOnRootFailure(hr, "Invalid package expected state.");
+        }
+    }
+
+    // return values
+    pPackage->execute = execute;
+    pPackage->rollback = rollback;
+
+    if (pfBARequestedCache)
+    {
+        *pfBARequestedCache = fBARequestedCache;
+    }
+
+LExit:
+    return hr;
+}
+
+//
+// PlanAdd - adds the calculated execute and rollback actions for the package.
+//
+extern "C" HRESULT ExeEnginePlanAddPackage(
+    __in_opt DWORD *pdwInsertSequence,
+    __in BURN_PACKAGE* pPackage,
+    __in BURN_PLAN* pPlan,
+    __in BURN_LOGGING* pLog,
+    __in BURN_VARIABLES* pVariables,
+    __in_opt HANDLE hCacheEvent,
+    __in BOOL fPlanPackageCacheRollback
+    )
+{
+    HRESULT hr = S_OK;
+    BURN_EXECUTE_ACTION* pAction = NULL;
+
+    // add wait for cache
+    if (hCacheEvent)
+    {
+        hr = PlanExecuteCacheSyncAndRollback(pPlan, pPackage, hCacheEvent, fPlanPackageCacheRollback);
+        ExitOnFailure(hr, "Failed to plan package cache syncpoint");
+    }
+
+    hr = DependencyPlanPackage(pdwInsertSequence, pPackage, pPlan);
+    ExitOnFailure(hr, "Failed to plan package dependency actions.");
+
+    // add execute action
+    if (BOOTSTRAPPER_ACTION_STATE_NONE != pPackage->execute)
+    {
+        if (NULL != pdwInsertSequence)
+        {
+            hr = PlanInsertExecuteAction(*pdwInsertSequence, pPlan, &pAction);
+            ExitOnFailure(hr, "Failed to insert execute action.");
+        }
+        else
+        {
+            hr = PlanAppendExecuteAction(pPlan, &pAction);
+            ExitOnFailure(hr, "Failed to append execute action.");
+        }
+
+        pAction->type = BURN_EXECUTE_ACTION_TYPE_EXE_PACKAGE;
+        pAction->exePackage.pPackage = pPackage;
+        pAction->exePackage.fFireAndForget = (BOOTSTRAPPER_ACTION_UPDATE_REPLACE == pPlan->action);
+        pAction->exePackage.action = pPackage->execute;
+
+        if (pPackage->Exe.sczIgnoreDependencies)
+        {
+            hr = StrAllocString(&pAction->exePackage.sczIgnoreDependencies, pPackage->Exe.sczIgnoreDependencies, 0);
+            ExitOnFailure(hr, "Failed to allocate the list of dependencies to ignore.");
+        }
+
+        if (pPackage->Exe.sczAncestors)
+        {
+            hr = StrAllocString(&pAction->exePackage.sczAncestors, pPackage->Exe.sczAncestors, 0);
+            ExitOnFailure(hr, "Failed to allocate the list of ancestors.");
+        }
+
+        LoggingSetPackageVariable(pPackage, NULL, FALSE, pLog, pVariables, NULL); // ignore errors.
+    }
+
+    // add rollback action
+    if (BOOTSTRAPPER_ACTION_STATE_NONE != pPackage->rollback)
+    {
+        hr = PlanAppendRollbackAction(pPlan, &pAction);
+        ExitOnFailure(hr, "Failed to append rollback action.");
+
+        pAction->type = BURN_EXECUTE_ACTION_TYPE_EXE_PACKAGE;
+        pAction->exePackage.pPackage = pPackage;
+        pAction->exePackage.action = pPackage->rollback;
+
+        if (pPackage->Exe.sczIgnoreDependencies)
+        {
+            hr = StrAllocString(&pAction->exePackage.sczIgnoreDependencies, pPackage->Exe.sczIgnoreDependencies, 0);
+            ExitOnFailure(hr, "Failed to allocate the list of dependencies to ignore.");
+        }
+
+        if (pPackage->Exe.sczAncestors)
+        {
+            hr = StrAllocString(&pAction->exePackage.sczAncestors, pPackage->Exe.sczAncestors, 0);
+            ExitOnFailure(hr, "Failed to allocate the list of ancestors.");
+        }
+
+        LoggingSetPackageVariable(pPackage, NULL, TRUE, pLog, pVariables, NULL); // ignore errors.
+    }
+
+LExit:
+    return hr;
+}
+
+extern "C" HRESULT ExeEngineExecutePackage(
+    __in BURN_EXECUTE_ACTION* pExecuteAction,
+    __in BURN_VARIABLES* pVariables,
+    __in BOOL fRollback,
+    __in PFN_GENERICMESSAGEHANDLER pfnGenericMessageHandler,
+    __in LPVOID pvContext,
+    __out BOOTSTRAPPER_APPLY_RESTART* pRestart
+    )
+{
+    HRESULT hr = S_OK;
+    WCHAR wzCurrentDirectory[MAX_PATH] = { };
+    BOOL fChangedCurrentDirectory = FALSE;
+    int nResult = IDNOACTION;
+    LPCWSTR wzArguments = NULL;
+    LPWSTR sczArguments = NULL;
+    LPWSTR sczArgumentsFormatted = NULL;
+    LPWSTR sczArgumentsObfuscated = NULL;
+    LPWSTR sczCachedDirectory = NULL;
+    LPWSTR sczExecutablePath = NULL;
+    LPWSTR sczCommand = NULL;
+    LPWSTR sczCommandObfuscated = NULL;
+    HANDLE hExecutableFile = INVALID_HANDLE_VALUE;
+    STARTUPINFOW si = { };
+    PROCESS_INFORMATION pi = { };
+    DWORD dwExitCode = 0;
+    GENERIC_EXECUTE_MESSAGE message = { };
+
+    // get cached executable path
+    hr = CacheGetCompletedPath(pExecuteAction->exePackage.pPackage->fPerMachine, pExecuteAction->exePackage.pPackage->sczCacheId, &sczCachedDirectory);
+    ExitOnFailure(hr, "Failed to get cached path for package: %ls", pExecuteAction->exePackage.pPackage->sczId);
+
+    // Best effort to set the execute package cache folder and action variables.
+    VariableSetString(pVariables, BURN_BUNDLE_EXECUTE_PACKAGE_CACHE_FOLDER, sczCachedDirectory, TRUE);
+    VariableSetNumeric(pVariables, BURN_BUNDLE_EXECUTE_PACKAGE_ACTION, pExecuteAction->exePackage.action, TRUE);
+
+    hr = PathConcat(sczCachedDirectory, pExecuteAction->exePackage.pPackage->rgPayloads[0].pPayload->sczFilePath, &sczExecutablePath);
+    ExitOnFailure(hr, "Failed to build executable path.");
+
+    // pick arguments
+    switch (pExecuteAction->exePackage.action)
+    {
+    case BOOTSTRAPPER_ACTION_STATE_INSTALL:
+        wzArguments = pExecuteAction->exePackage.pPackage->Exe.sczInstallArguments;
+        break;
+
+    case BOOTSTRAPPER_ACTION_STATE_UNINSTALL:
+        wzArguments = pExecuteAction->exePackage.pPackage->Exe.sczUninstallArguments;
+        break;
+
+    case BOOTSTRAPPER_ACTION_STATE_REPAIR:
+        wzArguments = pExecuteAction->exePackage.pPackage->Exe.sczRepairArguments;
+        break;
+
+    default:
+        hr = E_INVALIDARG;
+        ExitOnFailure(hr, "Invalid Exe package action: %d.", pExecuteAction->exePackage.action);
+    }
+
+    // now add optional arguments
+    hr = StrAllocString(&sczArguments, wzArguments && *wzArguments ? wzArguments : L"", 0);
+    ExitOnFailure(hr, "Failed to copy package arguments.");
+
+    for (DWORD i = 0; i < pExecuteAction->exePackage.pPackage->Exe.cCommandLineArguments; ++i)
+    {
+        BURN_EXE_COMMAND_LINE_ARGUMENT* commandLineArgument = &pExecuteAction->exePackage.pPackage->Exe.rgCommandLineArguments[i];
+        BOOL fCondition = FALSE;
+
+        hr = ConditionEvaluate(pVariables, commandLineArgument->sczCondition, &fCondition);
+        ExitOnFailure(hr, "Failed to evaluate executable package command-line condition.");
+
+        if (fCondition)
+        {
+            hr = StrAllocConcat(&sczArguments, L" ", 0);
+            ExitOnFailure(hr, "Failed to separate command-line arguments.");
+
+            switch (pExecuteAction->exePackage.action)
+            {
+            case BOOTSTRAPPER_ACTION_STATE_INSTALL:
+                hr = StrAllocConcat(&sczArguments, commandLineArgument->sczInstallArgument, 0);
+                ExitOnFailure(hr, "Failed to get command-line argument for install.");
+                break;
+
+            case BOOTSTRAPPER_ACTION_STATE_UNINSTALL:
+                hr = StrAllocConcat(&sczArguments, commandLineArgument->sczUninstallArgument, 0);
+                ExitOnFailure(hr, "Failed to get command-line argument for uninstall.");
+                break;
+
+            case BOOTSTRAPPER_ACTION_STATE_REPAIR:
+                hr = StrAllocConcat(&sczArguments, commandLineArgument->sczRepairArgument, 0);
+                ExitOnFailure(hr, "Failed to get command-line argument for repair.");
+                break;
+
+            default:
+                hr = E_INVALIDARG;
+                ExitOnFailure(hr, "Invalid Exe package action: %d.", pExecuteAction->exePackage.action);
+            }
+        }
+    }
+
+    // build command
+    if (0 < lstrlenW(sczArguments))
+    {
+        hr = VariableFormatString(pVariables, sczArguments, &sczArgumentsFormatted, NULL);
+        ExitOnFailure(hr, "Failed to format argument string.");
+
+        hr = StrAllocFormattedSecure(&sczCommand, L"\"%ls\" %s", sczExecutablePath, sczArgumentsFormatted);
+        ExitOnFailure(hr, "Failed to create executable command.");
+
+        hr = VariableFormatStringObfuscated(pVariables, sczArguments, &sczArgumentsObfuscated, NULL);
+        ExitOnFailure(hr, "Failed to format obfuscated argument string.");
+
+        hr = StrAllocFormatted(&sczCommandObfuscated, L"\"%ls\" %s", sczExecutablePath, sczArgumentsObfuscated);
+    }
+    else
+    {
+        hr = StrAllocFormatted(&sczCommand, L"\"%ls\"", sczExecutablePath);
+        ExitOnFailure(hr, "Failed to create executable command.");
+
+        hr = StrAllocFormatted(&sczCommandObfuscated, L"\"%ls\"", sczExecutablePath);
+    }
+    ExitOnFailure(hr, "Failed to create obfuscated executable command.");
+
+    if (pExecuteAction->exePackage.pPackage->Exe.fSupportsAncestors)
+    {
+        // Add the list of dependencies to ignore, if any, to the burn command line.
+        if (pExecuteAction->exePackage.sczIgnoreDependencies && BURN_EXE_PROTOCOL_TYPE_BURN == pExecuteAction->exePackage.pPackage->Exe.protocol)
+        {
+            hr = StrAllocFormattedSecure(&sczCommand, L"%ls -%ls=%ls", sczCommand, BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES, pExecuteAction->exePackage.sczIgnoreDependencies);
+            ExitOnFailure(hr, "Failed to append the list of dependencies to ignore to the command line.");
+
+            hr = StrAllocFormatted(&sczCommandObfuscated, L"%ls -%ls=%ls", sczCommandObfuscated, BURN_COMMANDLINE_SWITCH_IGNOREDEPENDENCIES, pExecuteAction->exePackage.sczIgnoreDependencies);
+            ExitOnFailure(hr, "Failed to append the list of dependencies to ignore to the obfuscated command line.");
+        }
+
+        // Add the list of ancestors, if any, to the burn command line.
+        if (pExecuteAction->exePackage.sczAncestors)
+        {
+            hr = StrAllocFormattedSecure(&sczCommand, L"%ls -%ls=%ls", sczCommand, BURN_COMMANDLINE_SWITCH_ANCESTORS, pExecuteAction->exePackage.sczAncestors);
+            ExitOnFailure(hr, "Failed to append the list of ancestors to the command line.");
+
+            hr = StrAllocFormatted(&sczCommandObfuscated, L"%ls -%ls=%ls", sczCommandObfuscated, BURN_COMMANDLINE_SWITCH_ANCESTORS, pExecuteAction->exePackage.sczAncestors);
+            ExitOnFailure(hr, "Failed to append the list of ancestors to the obfuscated command line.");
+        }
+    }
+
+    if (BURN_EXE_PROTOCOL_TYPE_BURN == pExecuteAction->exePackage.pPackage->Exe.protocol)
+    {
+        hr = CoreAppendFileHandleSelfToCommandLine(sczExecutablePath, &hExecutableFile, &sczCommand, &sczCommandObfuscated);
+        ExitOnFailure(hr, "Failed to append %ls", BURN_COMMANDLINE_SWITCH_FILEHANDLE_SELF);
+    }
+
+    // Log before we add the secret pipe name and client token for embedded processes.
+    LogId(REPORT_STANDARD, MSG_APPLYING_PACKAGE, LoggingRollbackOrExecute(fRollback), pExecuteAction->exePackage.pPackage->sczId, LoggingActionStateToString(pExecuteAction->exePackage.action), sczExecutablePath, sczCommandObfuscated);
+
+    if (!pExecuteAction->exePackage.fFireAndForget && BURN_EXE_PROTOCOL_TYPE_BURN == pExecuteAction->exePackage.pPackage->Exe.protocol)
+    {
+        hr = EmbeddedRunBundle(sczExecutablePath, sczCommand, pfnGenericMessageHandler, pvContext, &dwExitCode);
+        ExitOnFailure(hr, "Failed to run bundle as embedded from path: %ls", sczExecutablePath);
+    }
+    else if (!pExecuteAction->exePackage.fFireAndForget && BURN_EXE_PROTOCOL_TYPE_NETFX4 == pExecuteAction->exePackage.pPackage->Exe.protocol)
+    {
+        hr = NetFxRunChainer(sczExecutablePath, sczCommand, pfnGenericMessageHandler, pvContext, &dwExitCode);
+        ExitOnFailure(hr, "Failed to run netfx chainer: %ls", sczExecutablePath);
+    }
+    else // create and wait for the executable process while sending fake progress to allow cancel.
+    {
+        // Make the cache location of the executable the current directory to help those executables
+        // that expect stuff to be relative to them.
+        if (::GetCurrentDirectoryW(countof(wzCurrentDirectory), wzCurrentDirectory))
+        {
+            fChangedCurrentDirectory = ::SetCurrentDirectoryW(sczCachedDirectory);
+        }
+
+        si.cb = sizeof(si); // TODO: hookup the stdin/stdout/stderr pipes for logging purposes?
+        if (!::CreateProcessW(sczExecutablePath, sczCommand, NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi))
+        {
+            ExitWithLastError(hr, "Failed to CreateProcess on path: %ls", sczExecutablePath);
+        }
+
+        if (pExecuteAction->exePackage.fFireAndForget)
+        {
+            ::WaitForInputIdle(pi.hProcess, 5000);
+            ExitFunction();
+        }
+
+        do
+        {
+            message.type = GENERIC_EXECUTE_MESSAGE_PROGRESS;
+            message.dwAllowedResults = MB_OKCANCEL;
+            message.progress.dwPercentage = 50;
+            nResult = pfnGenericMessageHandler(&message, pvContext);
+            hr = (IDOK == nResult || IDNOACTION == nResult) ? S_OK : IDCANCEL == nResult ? HRESULT_FROM_WIN32(ERROR_INSTALL_USEREXIT) : HRESULT_FROM_WIN32(ERROR_INSTALL_FAILURE);
+            ExitOnRootFailure(hr, "Bootstrapper application aborted during EXE progress.");
+
+            hr = ProcWaitForCompletion(pi.hProcess, 500, &dwExitCode);
+            if (HRESULT_FROM_WIN32(WAIT_TIMEOUT) != hr)
+            {
+                ExitOnFailure(hr, "Failed to wait for executable to complete: %ls", sczExecutablePath);
+            }
+        } while (HRESULT_FROM_WIN32(WAIT_TIMEOUT) == hr);
+    }
+
+    hr = HandleExitCode(pExecuteAction->exePackage.pPackage, dwExitCode, pRestart);
+    ExitOnRootFailure(hr, "Process returned error: 0x%x", dwExitCode);
+
+LExit:
+    if (fChangedCurrentDirectory)
+    {
+        ::SetCurrentDirectoryW(wzCurrentDirectory);
+    }
+
+    StrSecureZeroFreeString(sczArguments);
+    StrSecureZeroFreeString(sczArgumentsFormatted);
+    ReleaseStr(sczArgumentsObfuscated);
+    ReleaseStr(sczCachedDirectory);
+    ReleaseStr(sczExecutablePath);
+    StrSecureZeroFreeString(sczCommand);
+    ReleaseStr(sczCommandObfuscated);
+
+    ReleaseHandle(pi.hThread);
+    ReleaseHandle(pi.hProcess);
+    ReleaseFileHandle(hExecutableFile);
+
+    // Best effort to clear the execute package cache folder and action variables.
+    VariableSetString(pVariables, BURN_BUNDLE_EXECUTE_PACKAGE_CACHE_FOLDER, NULL, TRUE);
+    VariableSetString(pVariables, BURN_BUNDLE_EXECUTE_PACKAGE_ACTION, NULL, TRUE);
+
+    return hr;
+}
+
+
+// internal helper functions
+
+static HRESULT ParseExitCodesFromXml(
+    __in IXMLDOMNode* pixnExePackage,
+    __in BURN_PACKAGE* pPackage
+    )
+{
+    HRESULT hr = S_OK;
+    IXMLDOMNodeList* pixnNodes = NULL;
+    IXMLDOMNode* pixnNode = NULL;
+    DWORD cNodes = 0;
+    LPWSTR scz = NULL;
+
+    // select exit code nodes
+    hr = XmlSelectNodes(pixnExePackage, L"ExitCode", &pixnNodes);
+    ExitOnFailure(hr, "Failed to select exit code nodes.");
+
+    // get exit code node count
+    hr = pixnNodes->get_length((long*) &cNodes);
+    ExitOnFailure(hr, "Failed to get exit code node count.");
+
+    if (cNodes)
+    {
+        // allocate memory for exit codes
+        pPackage->Exe.rgExitCodes = (BURN_EXE_EXIT_CODE*) MemAlloc(sizeof(BURN_EXE_EXIT_CODE) * cNodes, TRUE);
+        ExitOnNull(pPackage->Exe.rgExitCodes, hr, E_OUTOFMEMORY, "Failed to allocate memory for exit code structs.");
+
+        pPackage->Exe.cExitCodes = cNodes;
+
+        // parse package elements
+        for (DWORD i = 0; i < cNodes; ++i)
+        {
+            BURN_EXE_EXIT_CODE* pExitCode = &pPackage->Exe.rgExitCodes[i];
+
+            hr = XmlNextElement(pixnNodes, &pixnNode, NULL);
+            ExitOnFailure(hr, "Failed to get next node.");
+
+            // @Type
+            hr = XmlGetAttributeNumber(pixnNode, L"Type", (DWORD*)&pExitCode->type);
+            ExitOnFailure(hr, "Failed to get @Type.");
+
+            // @Code
+            hr = XmlGetAttributeEx(pixnNode, L"Code", &scz);
+            ExitOnFailure(hr, "Failed to get @Code.");
+
+            if (L'*' == scz[0])
+            {
+                pExitCode->fWildcard = TRUE;
+            }
+            else
+            {
+                hr = StrStringToUInt32(scz, 0, (UINT*) &pExitCode->dwCode);
+                ExitOnFailure(hr, "Failed to parse @Code value: %ls", scz);
+            }
+
+            // prepare next iteration
+            ReleaseNullObject(pixnNode);
+        }
+    }
+
+    hr = S_OK;
+
+LExit:
+    ReleaseObject(pixnNodes);
+    ReleaseObject(pixnNode);
+    ReleaseStr(scz);
+
+    return hr;
+}
+
+static HRESULT ParseCommandLineArgumentsFromXml(
+    __in IXMLDOMNode* pixnExePackage,
+    __in BURN_PACKAGE* pPackage
+    )
+{
+    HRESULT hr = S_OK;
+    IXMLDOMNodeList* pixnNodes = NULL;
+    IXMLDOMNode* pixnNode = NULL;
+    DWORD cNodes = 0;
+    LPWSTR scz = NULL;
+
+    // Select command-line argument nodes.
+    hr = XmlSelectNodes(pixnExePackage, L"CommandLine", &pixnNodes);
+    ExitOnFailure(hr, "Failed to select command-line argument nodes.");
+
+    // Get command-line argument node count.
+    hr = pixnNodes->get_length((long*) &cNodes);
+    ExitOnFailure(hr, "Failed to get command-line argument count.");
+
+    if (cNodes)
+    {
+        pPackage->Exe.rgCommandLineArguments = (BURN_EXE_COMMAND_LINE_ARGUMENT*) MemAlloc(sizeof(BURN_EXE_COMMAND_LINE_ARGUMENT) * cNodes, TRUE);
+        ExitOnNull(pPackage->Exe.rgCommandLineArguments, hr, E_OUTOFMEMORY, "Failed to allocate memory for command-line argument structs.");
+
+        pPackage->Exe.cCommandLineArguments = cNodes;
+
+        // Parse command-line argument elements.
+        for (DWORD i = 0; i < cNodes; ++i)
+        {
+            BURN_EXE_COMMAND_LINE_ARGUMENT* pCommandLineArgument = &pPackage->Exe.rgCommandLineArguments[i];
+
+            hr = XmlNextElement(pixnNodes, &pixnNode, NULL);
+            ExitOnFailure(hr, "Failed to get next command-line argument node.");
+
+            // @InstallArgument
+            hr = XmlGetAttributeEx(pixnNode, L"InstallArgument", &pCommandLineArgument->sczInstallArgument);
+            ExitOnFailure(hr, "Failed to get @InstallArgument.");
+
+            // @UninstallArgument
+            hr = XmlGetAttributeEx(pixnNode, L"UninstallArgument", &pCommandLineArgument->sczUninstallArgument);
+            ExitOnFailure(hr, "Failed to get @UninstallArgument.");
+
+            // @RepairArgument
+            hr = XmlGetAttributeEx(pixnNode, L"RepairArgument", &pCommandLineArgument->sczRepairArgument);
+            ExitOnFailure(hr, "Failed to get @RepairArgument.");
+
+            // @Condition
+            hr = XmlGetAttributeEx(pixnNode, L"Condition", &pCommandLineArgument->sczCondition);
+            ExitOnFailure(hr, "Failed to get @Condition.");
+
+            // Prepare next iteration.
+            ReleaseNullObject(pixnNode);
+        }
+    }
+
+    hr = S_OK;
+
+LExit:
+    ReleaseObject(pixnNodes);
+    ReleaseObject(pixnNode);
+    ReleaseStr(scz);
+
+    return hr;
+}
+
+static HRESULT HandleExitCode(
+    __in BURN_PACKAGE* pPackage,
+    __in DWORD dwExitCode,
+    __out BOOTSTRAPPER_APPLY_RESTART* pRestart
+    )
+{
+    HRESULT hr = S_OK;
+    BURN_EXE_EXIT_CODE_TYPE typeCode = BURN_EXE_EXIT_CODE_TYPE_NONE;
+
+    for (DWORD i = 0; i < pPackage->Exe.cExitCodes; ++i)
+    {
+        BURN_EXE_EXIT_CODE* pExitCode = &pPackage->Exe.rgExitCodes[i];
+
+        // If this is a wildcard, use the last one we come across.
+        if (pExitCode->fWildcard)
+        {
+            typeCode = pExitCode->type;
+        }
+        else if (dwExitCode == pExitCode->dwCode) // If we have an exact match on the error code use that and stop looking.
+        {
+            typeCode = pExitCode->type;
+            break;
+        }
+    }
+
+    // If we didn't find a matching code then treat 0 as success, the standard restarts codes as restarts
+    // and everything else as an error.
+    if (BURN_EXE_EXIT_CODE_TYPE_NONE == typeCode)
+    {
+        if (0 == dwExitCode)
+        {
+            typeCode = BURN_EXE_EXIT_CODE_TYPE_SUCCESS;
+        }
+        else if (ERROR_SUCCESS_REBOOT_REQUIRED == dwExitCode ||
+                 HRESULT_FROM_WIN32(ERROR_SUCCESS_REBOOT_REQUIRED) == static_cast<HRESULT>(dwExitCode) ||
+                 ERROR_SUCCESS_RESTART_REQUIRED == dwExitCode ||
+                 HRESULT_FROM_WIN32(ERROR_SUCCESS_RESTART_REQUIRED) == static_cast<HRESULT>(dwExitCode))
+        {
+            typeCode = BURN_EXE_EXIT_CODE_TYPE_SCHEDULE_REBOOT;
+        }
+        else if (ERROR_SUCCESS_REBOOT_INITIATED == dwExitCode ||
+                 HRESULT_FROM_WIN32(ERROR_SUCCESS_REBOOT_INITIATED) == static_cast<HRESULT>(dwExitCode))
+        {
+            typeCode = BURN_EXE_EXIT_CODE_TYPE_FORCE_REBOOT;
+        }
+        else
+        {
+            typeCode = BURN_EXE_EXIT_CODE_TYPE_ERROR;
+        }
+    }
+
+    switch (typeCode)
+    {
+    case BURN_EXE_EXIT_CODE_TYPE_SUCCESS:
+        *pRestart = BOOTSTRAPPER_APPLY_RESTART_NONE;
+        hr = S_OK;
+        break;
+
+    case BURN_EXE_EXIT_CODE_TYPE_ERROR:
+        *pRestart = BOOTSTRAPPER_APPLY_RESTART_NONE;
+        hr = HRESULT_FROM_WIN32(dwExitCode);
+        if (SUCCEEDED(hr))
+        {
+            hr = E_FAIL;
+        }
+        break;
+
+    case BURN_EXE_EXIT_CODE_TYPE_SCHEDULE_REBOOT:
+        *pRestart = BOOTSTRAPPER_APPLY_RESTART_REQUIRED;
+        hr = S_OK;
+        break;
+
+    case BURN_EXE_EXIT_CODE_TYPE_FORCE_REBOOT:
+        *pRestart = BOOTSTRAPPER_APPLY_RESTART_INITIATED;
+        hr = S_OK;
+        break;
+
+    default:
+        hr = E_UNEXPECTED;
+        break;
+    }
+
+//LExit:
+    return hr;
+}