1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
// 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.Core.WindowsInstaller
{
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using WixToolset.Core.WindowsInstaller.Bind;
using WixToolset.Core.WindowsInstaller.Msi;
using WixToolset.Core.WindowsInstaller.Unbind;
using WixToolset.Data;
using WixToolset.Data.Symbols;
using WixToolset.Data.WindowsInstaller;
using WixToolset.Extensibility;
using WixToolset.Extensibility.Data;
using WixToolset.Extensibility.Services;
internal class MspBackend : IBackend
{
public IBindResult Bind(IBindContext context)
{
var messaging = context.ServiceProvider.GetService<IMessaging>();
var extensionManager = context.ServiceProvider.GetService<IExtensionManager>();
var backendExtensions = extensionManager.GetServices<IWindowsInstallerBackendBinderExtension>();
foreach (var extension in backendExtensions)
{
extension.PreBackendBind(context);
}
// Create transforms named in patch transforms.
IEnumerable<PatchTransform> patchTransforms;
{
var command = new CreatePatchTransformsCommand(messaging, context.IntermediateRepresentation, context.IntermediateFolder);
patchTransforms = command.Execute();
}
// Enhance the intermediate by attaching the created patch transforms.
IEnumerable<SubStorage> subStorages;
{
var command = new AttachPatchTransformsCommand(messaging, context.IntermediateRepresentation, patchTransforms);
subStorages = command.Execute();
}
// Create WindowsInstallerData with patch metdata and transforms as sub-storages
// Create MSP from WindowsInstallerData
IBindResult result = null;
try
{
var command = new BindDatabaseCommand(context, backendExtensions, subStorages, null);
result = command.Execute();
foreach (var extension in backendExtensions)
{
extension.PostBackendBind(result);
}
return result;
}
catch
{
result?.Dispose();
throw;
}
}
public IDecompileResult Decompile(IDecompileContext context) => throw new NotImplementedException();
public bool Inscribe(IInscribeContext context) => throw new NotImplementedException();
public Intermediate Unbind(IUnbindContext context)
{
#if TODO_PATCHING
Output patch;
// patch files are essentially database files (use a special flag to let the API know its a patch file)
try
{
using (Database database = new Database(context.InputFilePath, OpenDatabase.ReadOnly | OpenDatabase.OpenPatchFile))
{
var unbindCommand = new UnbindDatabaseCommand(context.Messaging, database, context.InputFilePath, OutputType.Patch, context.ExportBasePath, context.IntermediateFolder, context.IsAdminImage, context.SuppressDemodularization, skipSummaryInfo: false);
patch = unbindCommand.Execute();
}
}
catch (Win32Exception e)
{
if (0x6E == e.NativeErrorCode) // ERROR_OPEN_FAILED
{
throw new WixException(WixErrors.OpenDatabaseFailed(context.InputFilePath));
}
throw;
}
// retrieve the transforms (they are in substorages)
using (Storage storage = Storage.Open(context.InputFilePath, StorageMode.Read | StorageMode.ShareDenyWrite))
{
Table summaryInformationTable = patch.Tables["_SummaryInformation"];
foreach (Row row in summaryInformationTable.Rows)
{
if (8 == (int)row[0]) // PID_LASTAUTHOR
{
string value = (string)row[1];
foreach (string decoratedSubStorageName in value.Split(';'))
{
string subStorageName = decoratedSubStorageName.Substring(1);
string transformFile = Path.Combine(context.IntermediateFolder, String.Concat("Transform", Path.DirectorySeparatorChar, subStorageName, ".mst"));
// ensure the parent directory exists
Directory.CreateDirectory(Path.GetDirectoryName(transformFile));
// copy the substorage to a new storage for the transform file
using (Storage subStorage = storage.OpenStorage(subStorageName))
{
using (Storage transformStorage = Storage.CreateDocFile(transformFile, StorageMode.ReadWrite | StorageMode.ShareExclusive | StorageMode.Create))
{
subStorage.CopyTo(transformStorage);
}
}
// unbind the transform
var unbindCommand= new UnbindTransformCommand(context.Messaging, transformFile, (null == context.ExportBasePath ? null : Path.Combine(context.ExportBasePath, subStorageName)), context.IntermediateFolder);
var transform = unbindCommand.Execute();
patch.SubStorages.Add(new SubStorage(subStorageName, transform));
}
break;
}
}
}
// extract the files from the cabinets
// TODO: use per-transform export paths for support of multi-product patches
if (null != context.ExportBasePath && !context.SuppressExtractCabinets)
{
using (Database database = new Database(context.InputFilePath, OpenDatabase.ReadOnly | OpenDatabase.OpenPatchFile))
{
foreach (SubStorage subStorage in patch.SubStorages)
{
// only patch transforms should carry files
if (subStorage.Name.StartsWith("#", StringComparison.Ordinal))
{
var extractCommand = new ExtractCabinetsCommand(subStorage.Data, database, context.InputFilePath, context.ExportBasePath, context.IntermediateFolder);
extractCommand.Execute();
}
}
}
}
return patch;
#endif
throw new NotImplementedException();
}
}
}
|
