public PeContainer(string filename, ushort groupIconName)
{
ValidateFilename(filename);
// load pe
var datafile = PInvoke.LoadDatafile(filename);
if (datafile == IntPtr.Zero)
{
throw new Win32Exception("Unable to load datafile", PInvoke.GetLastWin32Exception());
}
using (var disposableUpdate = new PInvoke.DisposableHandle(datafile, PInvoke.FreeLibrary))
{
// load group icon data
var groupIconBytes = PInvoke.LoadResourceBytes(datafile,
(ushort)PInvoke.ResourceType.GROUP_ICON, groupIconName);
// parse directory from data
Directory = new PeDirectory(groupIconBytes);
Images = new IconImage[Directory.Entries.Length];
// parse images from data
for (var i = 0; i < Directory.Entries.Length; i++)
{
var imageBytes = PInvoke.LoadResourceBytes(datafile,
(ushort)PInvoke.ResourceType.ICON, Directory.Entries[i].Id);
Images[i] = new IconImage(imageBytes);
}
disposableUpdate.SuppressDispose();
}
}
private static void WriteDeleteOutput(DeleteArgs args)
{
// try copy pe
TryCopySource(args.SourcePath, args.OutputPath);
// update pe
var updateHandle = BeginUpdateResource(args.OutputPath);
using (var updateDisposable = new PInvoke.DisposableHandle(updateHandle,
h => PInvoke.DiscardUpdateResource(updateHandle)))
{
DeleteResource(updateHandle, args.ResourceType,
args.ResourceName, args.OutputPath);
CompleteUpdateResource(updateHandle, args.OutputPath);
updateDisposable.SuppressDispose();
}
}
private static void WriteInjectOutput(InjectArgs args)
{
// load resource data
var resourceData = ReadResource(args.ResourcePath);
// try to copy pe
TryCopySource(args.SourcePath, args.OutputPath);
// update pe
var updateHandle = BeginUpdateResource(args.OutputPath);
using (var updateDisposable = new PInvoke.DisposableHandle(updateHandle,
h => PInvoke.DiscardUpdateResource(updateHandle)))
{
UpdateResource(updateHandle, args.ResourceType,
args.ResourceName, resourceData, args.OutputPath);
CompleteUpdateResource(updateHandle, args.OutputPath);
updateDisposable.SuppressDispose();
}
}
public void ToFile(string filename, ushort groupIconName,
bool arrange = true, bool overwrite = false)
{
ValidateFilename(filename);
Validate();
var oldDirectory = GetOldDirectory(filename, groupIconName);
if (overwrite && oldDirectory != null)
{
throw new ArgumentException("Group Icon already exists", "groupIconName");
}
if (arrange)
{
Arrange(filename, groupIconName);
}
else
{
var indexedEntries = Directory.Entries.
Select((e, i) => new KeyValuePair <int, PeDirectoryEntry>(i, e)).ToArray();
if (indexedEntries.Any(ie1 => indexedEntries.Any(ie2 =>
ie1.Key != ie2.Key && ie1.Value.Id == ie2.Value.Id)))
{
throw new InvalidOperationException("Directory Entries contain the same Id");
}
}
var datafile = PInvoke.LoadDatafile(filename);
if (datafile == IntPtr.Zero)
{
throw new Win32Exception("Unable to load datafile", PInvoke.GetLastWin32Exception());
}
var busyIconNames = GetBusyIconNames(filename, groupIconName);
if (!arrange)
{
if (busyIconNames.Any(n => Directory.Entries.Any(e => e.Id == n)))
{
throw new InvalidOperationException("Datafile already contains icons with Directory Entries Id");
}
}
var updateHandle = PInvoke.BeginUpdateResource(filename);
if (updateHandle == IntPtr.Zero)
{
throw new Win32Exception("Unable to begin update datafile", PInvoke.GetLastWin32Exception());
}
using (var disposableUpdate = new PInvoke.DisposableHandle(updateHandle, PInvoke.DiscardUpdateResource))
{
var groupIconBytes = Directory.ToBytes();
// update group icon
if (!PInvoke.UpdateResource(updateHandle, (ushort)PInvoke.ResourceType.GROUP_ICON,
groupIconName, groupIconBytes))
{
throw new Win32Exception("Unable to update group icon", PInvoke.GetLastWin32Exception());
}
// update icons
for (var i = 0; i < Directory.Entries.Length; i++)
{
if (!PInvoke.UpdateResource(updateHandle, (ushort)PInvoke.ResourceType.ICON,
Directory.Entries[i].Id, Images[i].ToBytes()))
{
throw new Win32Exception("Unable to update icon", PInvoke.GetLastWin32Exception());
}
}
// delete icons
if (oldDirectory != null)
{
var deleteNames = oldDirectory.Entries.Select(e => e.Id).Except(Directory.Entries.Select(e => e.Id)).ToArray();
foreach (var deleteName in deleteNames)
{
if (!PInvoke.DeleteResource(updateHandle, (ushort)PInvoke.ResourceType.ICON, deleteName))
{
throw new Win32Exception("Unable to remove icon", PInvoke.GetLastWin32Exception());
}
}
}
if (!PInvoke.CompleteUpdateResource(updateHandle))
{
throw new Win32Exception("Unable to complete update datafile", PInvoke.GetLastWin32Exception());
}
disposableUpdate.SuppressDispose();
}
}