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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.
namespace WixToolset.Harvesters
{
using System;
using System.Collections;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using WixToolset.Data;
using WixToolset.Harvesters.Data;
using WixToolset.Harvesters.Extensibility;
using Wix = WixToolset.Harvesters.Serialize;
/// <summary>
/// The WiX Toolset harvester mutator.
/// </summary>
public sealed class UtilHarvesterMutator : BaseMutatorExtension
{
// Flags for SetErrorMode() native method.
private const UInt32 SEM_FAILCRITICALERRORS = 0x0001;
private const UInt32 SEM_NOGPFAULTERRORBOX = 0x0002;
private const UInt32 SEM_NOALIGNMENTFAULTEXCEPT = 0x0004;
private const UInt32 SEM_NOOPENFILEERRORBOX = 0x8000;
// Remember whether we were able to call OaEnablePerUserTLibRegistration
private bool calledPerUserTLibReg;
/// <summary>
/// allow process to handle serious system errors.
/// </summary>
[DllImport("Kernel32.dll")]
private static extern void SetErrorMode(UInt32 uiMode);
/// <summary>
/// enable the RegisterTypeLib API to use the appropriate override mapping for non-admin users on Vista
/// </summary>
[DllImport("Oleaut32.dll")]
private static extern void OaEnablePerUserTLibRegistration();
public UtilHarvesterMutator()
{
this.calledPerUserTLibReg = false;
SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
try
{
OaEnablePerUserTLibRegistration();
this.calledPerUserTLibReg = true;
}
catch (EntryPointNotFoundException)
{
}
}
/// <summary>
/// Gets the sequence of this mutator extension.
/// </summary>
/// <value>The sequence of this mutator extension.</value>
public override int Sequence
{
get { return 100; }
}
/// <summary>
/// Mutate a WiX document.
/// </summary>
/// <param name="wix">The Wix document element.</param>
public override void Mutate(Wix.Wix wix)
{
this.MutateElement(null, wix);
}
/// <summary>
/// Mutate an element.
/// </summary>
/// <param name="parentElement">The parent of the element to mutate.</param>
/// <param name="element">The element to mutate.</param>
private void MutateElement(Wix.IParentElement parentElement, Wix.ISchemaElement element)
{
if (element is Wix.File)
{
this.MutateFile(parentElement, (Wix.File)element);
}
// mutate the child elements
if (element is Wix.IParentElement)
{
ArrayList childElements = new ArrayList();
// copy the child elements to a temporary array (to allow them to be deleted/moved)
foreach (Wix.ISchemaElement childElement in ((Wix.IParentElement)element).Children)
{
childElements.Add(childElement);
}
foreach (Wix.ISchemaElement childElement in childElements)
{
this.MutateElement((Wix.IParentElement)element, childElement);
}
}
}
/// <summary>
/// Mutate a file.
/// </summary>
/// <param name="parentElement">The parent of the element to mutate.</param>
/// <param name="file">The file to mutate.</param>
private void MutateFile(Wix.IParentElement parentElement, Wix.File file)
{
if (null != file.Source)
{
string fileExtension = Path.GetExtension(file.Source);
string fileSource = this.Core.ResolveFilePath(file.Source);
if (String.Equals(".ax", fileExtension, StringComparison.OrdinalIgnoreCase) || // DirectShow filter
String.Equals(".dll", fileExtension, StringComparison.OrdinalIgnoreCase) ||
String.Equals(".exe", fileExtension, StringComparison.OrdinalIgnoreCase) ||
String.Equals(".ocx", fileExtension, StringComparison.OrdinalIgnoreCase)) // ActiveX
{
// try the assembly harvester
try
{
AssemblyHarvester assemblyHarvester = new AssemblyHarvester();
this.Core.Messaging.Write(HarvesterVerboses.HarvestingAssembly(fileSource));
Wix.RegistryValue[] registryValues = assemblyHarvester.HarvestRegistryValues(fileSource);
foreach (Wix.RegistryValue registryValue in registryValues)
{
parentElement.AddChild(registryValue);
}
// also try self-reg since we could have a mixed-mode assembly
this.HarvestSelfReg(parentElement, fileSource);
}
catch (BadImageFormatException) // not an assembly, try raw DLL.
{
this.HarvestSelfReg(parentElement, fileSource);
}
catch (Exception ex)
{
this.Core.Messaging.Write(HarvesterWarnings.AssemblyHarvestFailed(fileSource, ex.Message));
}
}
else if (String.Equals(".olb", fileExtension, StringComparison.OrdinalIgnoreCase) || // type library
String.Equals(".tlb", fileExtension, StringComparison.OrdinalIgnoreCase)) // type library
{
// try the type library harvester
try
{
TypeLibraryHarvester typeLibHarvester = new TypeLibraryHarvester();
this.Core.Messaging.Write(HarvesterVerboses.HarvestingTypeLib(fileSource));
Wix.RegistryValue[] registryValues = typeLibHarvester.HarvestRegistryValues(fileSource);
foreach (Wix.RegistryValue registryValue in registryValues)
{
parentElement.AddChild(registryValue);
}
}
catch (COMException ce)
{
// 0x8002801C (TYPE_E_REGISTRYACCESS)
// If we don't have permission to harvest typelibs, it's likely because we're on
// Vista or higher and aren't an Admin, or don't have the appropriate QFE installed.
if (!this.calledPerUserTLibReg && (0x8002801c == unchecked((uint)ce.ErrorCode)))
{
this.Core.Messaging.Write(WarningMessages.InsufficientPermissionHarvestTypeLib());
}
else if (0x80029C4A == unchecked((uint)ce.ErrorCode)) // generic can't load type library
{
this.Core.Messaging.Write(HarvesterWarnings.TypeLibLoadFailed(fileSource, ce.Message));
}
}
}
}
}
/// <summary>
/// Calls self-reg harvester.
/// </summary>
/// <param name="parentElement">The parent element.</param>
/// <param name="fileSource">The file source.</param>
private void HarvestSelfReg(Wix.IParentElement parentElement, string fileSource)
{
// try the self-reg harvester
try
{
DllHarvester dllHarvester = new DllHarvester();
this.Core.Messaging.Write(HarvesterVerboses.HarvestingSelfReg(fileSource));
Wix.RegistryValue[] registryValues = dllHarvester.HarvestRegistryValues(fileSource);
foreach (Wix.RegistryValue registryValue in registryValues)
{
parentElement.AddChild(registryValue);
}
}
catch (TargetInvocationException tie)
{
if (tie.InnerException is EntryPointNotFoundException)
{
// No DllRegisterServer(), which is fine by me.
}
else
{
this.Core.Messaging.Write(HarvesterWarnings.SelfRegHarvestFailed(fileSource, tie.Message));
}
}
catch (Exception ex)
{
this.Core.Messaging.Write(HarvesterWarnings.SelfRegHarvestFailed(fileSource, ex.Message));
}
}
}
}
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