Files
BinaryObjectScanner/BinaryObjectScanner.Builders/Extensions.cs
2023-03-27 10:46:05 -04:00

1435 lines
62 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Xml.Serialization;
using BinaryObjectScanner.Utilities;
namespace BinaryObjectScanner.Builders
{
public static class Extensions
{
#region New Executable
/// <summary>
/// Determine if a resource type information entry is an integer or offset
/// </summary>
/// <param name="entry">Resource type information entry to check</param>
/// <returns>True if the entry is an integer type, false if an offset, null on error</returns>
public static bool? IsIntegerType(this Models.NewExecutable.ResourceTypeInformationEntry entry)
{
// We can't do anything with an invalid entry
if (entry == null)
return null;
// If the highest order bit is set, it's an integer type
return (entry.TypeID & 0x8000) != 0;
}
/// <summary>
/// Determine if a resource type resource entry is an integer or offset
/// </summary>
/// <param name="entry">Resource type resource entry to check</param>
/// <returns>True if the entry is an integer type, false if an offset, null on error</returns>
public static bool? IsIntegerType(this Models.NewExecutable.ResourceTypeResourceEntry entry)
{
// We can't do anything with an invalid entry
if (entry == null)
return null;
// If the highest order bit is set, it's an integer type
return (entry.ResourceID & 0x8000) != 0;
}
/// <summary>
/// Get the segment entry type for an entry table bundle
/// </summary>
/// <param name="entry">Entry table bundle to check</param>
/// <returns>SegmentEntryType corresponding to the type</returns>
public static Models.NewExecutable.SegmentEntryType GetEntryType(this Models.NewExecutable.EntryTableBundle entry)
{
// We can't do anything with an invalid entry
if (entry == null)
return Models.NewExecutable.SegmentEntryType.Unused;
// Determine the entry type based on segment indicator
if (entry.SegmentIndicator == 0x00)
return Models.NewExecutable.SegmentEntryType.Unused;
else if (entry.SegmentIndicator >= 0x01 && entry.SegmentIndicator <= 0xFE)
return Models.NewExecutable.SegmentEntryType.FixedSegment;
else if (entry.SegmentIndicator == 0xFF)
return Models.NewExecutable.SegmentEntryType.MoveableSegment;
// We should never get here
return Models.NewExecutable.SegmentEntryType.Unused;
}
#endregion
#region Portable Executable
/// <summary>
/// Convert a relative virtual address to a physical one
/// </summary>
/// <param name="rva">Relative virtual address to convert</param>
/// <param name="sections">Array of sections to check against</param>
/// <returns>Physical address, 0 on error</returns>
public static uint ConvertVirtualAddress(this uint rva, Models.PortableExecutable.SectionHeader[] sections)
{
// If we have an invalid section table, we can't do anything
if (sections == null || sections.Length == 0)
return 0;
// If the RVA is 0, we just return 0 because it's invalid
if (rva == 0)
return 0;
// If the RVA matches a section start exactly, use that
var matchingSection = sections.FirstOrDefault(s => s.VirtualAddress == rva);
if (matchingSection != null)
return rva - matchingSection.VirtualAddress + matchingSection.PointerToRawData;
// Loop through all of the sections
for (int i = 0; i < sections.Length; i++)
{
// If the section is invalid, just skip it
if (sections[i] == null)
continue;
// If the section "starts" at 0, just skip it
if (sections[i].PointerToRawData == 0)
continue;
// Attempt to derive the physical address from the current section
var section = sections[i];
if (rva >= section.VirtualAddress && section.VirtualSize != 0 && rva <= section.VirtualAddress + section.VirtualSize)
return rva - section.VirtualAddress + section.PointerToRawData;
else if (rva >= section.VirtualAddress && section.SizeOfRawData != 0 && rva <= section.VirtualAddress + section.SizeOfRawData)
return rva - section.VirtualAddress + section.PointerToRawData;
}
return 0;
}
/// <summary>
/// Find the section a revlative virtual address lives in
/// </summary>
/// <param name="rva">Relative virtual address to convert</param>
/// <param name="sections">Array of sections to check against</param>
/// <returns>Section index, null on error</returns>
public static int ContainingSectionIndex(this uint rva, Models.PortableExecutable.SectionHeader[] sections)
{
// If we have an invalid section table, we can't do anything
if (sections == null || sections.Length == 0)
return -1;
// If the RVA is 0, we just return -1 because it's invalid
if (rva == 0)
return -1;
// Loop through all of the sections
for (int i = 0; i < sections.Length; i++)
{
// If the section is invalid, just skip it
if (sections[i] == null)
continue;
// If the section "starts" at 0, just skip it
if (sections[i].PointerToRawData == 0)
continue;
// Attempt to derive the physical address from the current section
var section = sections[i];
if (rva >= section.VirtualAddress && section.VirtualSize != 0 && rva <= section.VirtualAddress + section.VirtualSize)
return i;
else if (rva >= section.VirtualAddress && section.SizeOfRawData != 0 && rva <= section.VirtualAddress + section.SizeOfRawData)
return i;
}
return -1;
}
/// <summary>
/// Read overlay data as a SecuROM AddD overlay data
/// </summary>
/// <param name="data">Data to parse into overlay data</param>
/// <param name="offset">Offset into the byte array</param>
/// <returns>A filled SecuROM AddD overlay data on success, null on error</returns>
public static Models.PortableExecutable.SecuROMAddD AsSecuROMAddD(this byte[] data, ref int offset)
{
// If we have data that's invalid, we can't do anything
if (data == null)
return null;
// Read in the table
var addD = new Models.PortableExecutable.SecuROMAddD();
addD.Signature = data.ReadUInt32(ref offset);
if (addD.Signature != 0x44646441)
return null;
int originalOffset = offset;
addD.EntryCount = data.ReadUInt32(ref offset);
addD.Version = data.ReadString(ref offset, Encoding.ASCII);
if (string.IsNullOrWhiteSpace(addD.Version))
offset = originalOffset + 0x10;
addD.Build = data.ReadBytes(ref offset, 4).Select(b => (char)b).ToArray();
// Distinguish between v1 and v2
int bytesToRead = 112; // v2
if (string.IsNullOrWhiteSpace(addD.Version)
|| addD.Version.StartsWith("3")
|| addD.Version.StartsWith("4.47"))
{
bytesToRead = 44;
}
addD.Unknown14h = data.ReadBytes(ref offset, bytesToRead);
addD.Entries = new Models.PortableExecutable.SecuROMAddDEntry[addD.EntryCount];
for (int i = 0; i < addD.EntryCount; i++)
{
var addDEntry = new Models.PortableExecutable.SecuROMAddDEntry();
addDEntry.PhysicalOffset = data.ReadUInt32(ref offset);
addDEntry.Length = data.ReadUInt32(ref offset);
addDEntry.Unknown08h = data.ReadUInt32(ref offset);
addDEntry.Unknown0Ch = data.ReadUInt32(ref offset);
addDEntry.Unknown10h = data.ReadUInt32(ref offset);
addDEntry.Unknown14h = data.ReadUInt32(ref offset);
addDEntry.Unknown18h = data.ReadUInt32(ref offset);
addDEntry.Unknown1Ch = data.ReadUInt32(ref offset);
addDEntry.FileName = data.ReadString(ref offset, Encoding.ASCII);
addDEntry.Unknown2Ch = data.ReadUInt32(ref offset);
addD.Entries[i] = addDEntry;
}
return addD;
}
#region Debug
/// <summary>
/// Read debug data as an NB10 Program Database
/// </summary>
/// <param name="data">Data to parse into a database</param>
/// <param name="offset">Offset into the byte array</param>
/// <returns>A filled NB10 Program Database on success, null on error</returns>
public static Models.PortableExecutable.NB10ProgramDatabase AsNB10ProgramDatabase(this byte[] data, ref int offset)
{
// If we have data that's invalid, we can't do anything
if (data == null)
return null;
var nb10ProgramDatabase = new Models.PortableExecutable.NB10ProgramDatabase();
nb10ProgramDatabase.Signature = data.ReadUInt32(ref offset);
if (nb10ProgramDatabase.Signature != 0x3031424E)
return null;
nb10ProgramDatabase.Offset = data.ReadUInt32(ref offset);
nb10ProgramDatabase.Timestamp = data.ReadUInt32(ref offset);
nb10ProgramDatabase.Age = data.ReadUInt32(ref offset);
nb10ProgramDatabase.PdbFileName = data.ReadString(ref offset, Encoding.ASCII); // TODO: Actually null-terminated UTF-8?
return nb10ProgramDatabase;
}
/// <summary>
/// Read debug data as an RSDS Program Database
/// </summary>
/// <param name="data">Data to parse into a database</param>
/// <param name="offset">Offset into the byte array</param>
/// <returns>A filled RSDS Program Database on success, null on error</returns>
public static Models.PortableExecutable.RSDSProgramDatabase AsRSDSProgramDatabase(this byte[] data, ref int offset)
{
// If we have data that's invalid, we can't do anything
if (data == null)
return null;
var rsdsProgramDatabase = new Models.PortableExecutable.RSDSProgramDatabase();
rsdsProgramDatabase.Signature = data.ReadUInt32(ref offset);
if (rsdsProgramDatabase.Signature != 0x53445352)
return null;
rsdsProgramDatabase.GUID = new Guid(data.ReadBytes(ref offset, 0x10));
rsdsProgramDatabase.Age = data.ReadUInt32(ref offset);
rsdsProgramDatabase.PathAndFileName = data.ReadString(ref offset, Encoding.ASCII); // TODO: Actually null-terminated UTF-8
return rsdsProgramDatabase;
}
#endregion
// TODO: Implement other resource types from https://learn.microsoft.com/en-us/windows/win32/menurc/resource-file-formats
#region Resources
/// <summary>
/// Read resource data as a resource header
/// </summary>
/// <param name="data">Data to parse into a resource header</param>
/// <param name="offset">Offset into the byte array</param>
/// <returns>A filled resource header on success, null on error</returns>
public static Models.PortableExecutable.ResourceHeader AsResourceHeader(this byte[] data, ref int offset)
{
// If we have data that's invalid, we can't do anything
if (data == null)
return null;
// Read in the table
var header = new Models.PortableExecutable.ResourceHeader();
header.DataSize = data.ReadUInt32(ref offset);
header.HeaderSize = data.ReadUInt32(ref offset);
header.ResourceType = (Models.PortableExecutable.ResourceType)data.ReadUInt32(ref offset); // TODO: Could be a string too
header.Name = data.ReadUInt32(ref offset); // TODO: Could be a string too
header.DataVersion = data.ReadUInt32(ref offset);
header.MemoryFlags = (Models.PortableExecutable.MemoryFlags)data.ReadUInt16(ref offset);
header.LanguageId = data.ReadUInt16(ref offset);
header.Version = data.ReadUInt32(ref offset);
header.Characteristics = data.ReadUInt32(ref offset);
return header;
}
/// <summary>
/// Read resource data as an accelerator table resource
/// </summary>
/// <param name="entry">Resource data entry to parse into an accelerator table resource</param>
/// <returns>A filled accelerator table resource on success, null on error</returns>
public static Models.PortableExecutable.AcceleratorTableEntry[] AsAcceleratorTableResource(this Models.PortableExecutable.ResourceDataEntry entry)
{
// If we have data that's invalid for this resource type, we can't do anything
if (entry?.Data == null || entry.Data.Length % 8 != 0)
return null;
// Get the number of entries
int count = entry.Data.Length / 8;
// Initialize the iterator
int offset = 0;
// Create the output object
var table = new Models.PortableExecutable.AcceleratorTableEntry[count];
// Read in the table
for (int i = 0; i < count; i++)
{
var acceleratorTableEntry = new Models.PortableExecutable.AcceleratorTableEntry();
acceleratorTableEntry.Flags = (Models.PortableExecutable.AcceleratorTableFlags)entry.Data.ReadUInt16(ref offset);
acceleratorTableEntry.Ansi = entry.Data.ReadUInt16(ref offset);
acceleratorTableEntry.Id = entry.Data.ReadUInt16(ref offset);
acceleratorTableEntry.Padding = entry.Data.ReadUInt16(ref offset);
table[i] = acceleratorTableEntry;
}
return table;
}
/// <summary>
/// Read resource data as a side-by-side assembly manifest
/// </summary>
/// <param name="entry">Resource data entry to parse into a side-by-side assembly manifest</param>
/// <returns>A filled side-by-side assembly manifest on success, null on error</returns>
public static Models.PortableExecutable.AssemblyManifest AsAssemblyManifest(this Models.PortableExecutable.ResourceDataEntry entry)
{
// If we have an invalid entry, just skip
if (entry?.Data == null)
return null;
try
{
XmlSerializer serializer = new XmlSerializer(typeof(Models.PortableExecutable.AssemblyManifest));
return serializer.Deserialize(new MemoryStream(entry.Data)) as Models.PortableExecutable.AssemblyManifest;
}
catch
{
return null;
}
}
/// <summary>
/// Read resource data as a dialog box
/// </summary>
/// <param name="entry">Resource data entry to parse into a dialog box</param>
/// <returns>A filled dialog box on success, null on error</returns>
public static Models.PortableExecutable.DialogBoxResource AsDialogBox(this Models.PortableExecutable.ResourceDataEntry entry)
{
// If we have an invalid entry, just skip
if (entry?.Data == null)
return null;
// Initialize the iterator
int offset = 0;
// Create the output object
var dialogBoxResource = new Models.PortableExecutable.DialogBoxResource();
// Try to read the signature for an extended dialog box template
int signatureOffset = sizeof(ushort);
int possibleSignature = entry.Data.ReadUInt16(ref signatureOffset);
if (possibleSignature == 0xFFFF)
{
#region Extended dialog template
var dialogTemplateExtended = new Models.PortableExecutable.DialogTemplateExtended();
dialogTemplateExtended.Version = entry.Data.ReadUInt16(ref offset);
dialogTemplateExtended.Signature = entry.Data.ReadUInt16(ref offset);
dialogTemplateExtended.HelpID = entry.Data.ReadUInt32(ref offset);
dialogTemplateExtended.ExtendedStyle = (Models.PortableExecutable.ExtendedWindowStyles)entry.Data.ReadUInt32(ref offset);
dialogTemplateExtended.Style = (Models.PortableExecutable.WindowStyles)entry.Data.ReadUInt32(ref offset);
dialogTemplateExtended.DialogItems = entry.Data.ReadUInt16(ref offset);
dialogTemplateExtended.PositionX = entry.Data.ReadInt16(ref offset);
dialogTemplateExtended.PositionY = entry.Data.ReadInt16(ref offset);
dialogTemplateExtended.WidthX = entry.Data.ReadInt16(ref offset);
dialogTemplateExtended.HeightY = entry.Data.ReadInt16(ref offset);
#region Menu resource
int currentOffset = offset;
ushort menuResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0x0000 means no elements
if (menuResourceIdentifier == 0x0000)
{
// Increment the pointer if it was empty
offset += sizeof(ushort);
}
else
{
// Flag if there's an ordinal at the end
bool menuResourceHasOrdinal = menuResourceIdentifier == 0xFFFF;
if (menuResourceHasOrdinal)
offset += sizeof(ushort);
// Read the menu resource as a string
dialogTemplateExtended.MenuResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
// Read the ordinal if we have the flag set
if (menuResourceHasOrdinal)
dialogTemplateExtended.MenuResourceOrdinal = entry.Data.ReadUInt16(ref offset);
}
#endregion
#region Class resource
currentOffset = offset;
ushort classResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0x0000 means no elements
if (classResourceIdentifier == 0x0000)
{
// Increment the pointer if it was empty
offset += sizeof(ushort);
}
else
{
// Flag if there's an ordinal at the end
bool classResourcehasOrdinal = classResourceIdentifier == 0xFFFF;
if (classResourcehasOrdinal)
offset += sizeof(ushort);
// Read the class resource as a string
dialogTemplateExtended.ClassResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
// Read the ordinal if we have the flag set
if (classResourcehasOrdinal)
dialogTemplateExtended.ClassResourceOrdinal = entry.Data.ReadUInt16(ref offset);
}
#endregion
#region Title resource
currentOffset = offset;
ushort titleResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0x0000 means no elements
if (titleResourceIdentifier == 0x0000)
{
// Increment the pointer if it was empty
offset += sizeof(ushort);
}
else
{
// Read the title resource as a string
dialogTemplateExtended.TitleResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
#region Point size and typeface
// Only if DS_SETFONT is set are the values here used
if (dialogTemplateExtended.Style.HasFlag(Models.PortableExecutable.WindowStyles.DS_SETFONT))
{
dialogTemplateExtended.PointSize = entry.Data.ReadUInt16(ref offset);
dialogTemplateExtended.Weight = entry.Data.ReadUInt16(ref offset);
dialogTemplateExtended.Italic = entry.Data.ReadByte(ref offset);
dialogTemplateExtended.CharSet = entry.Data.ReadByte(ref offset);
dialogTemplateExtended.Typeface = entry.Data.ReadString(ref offset, Encoding.Unicode);
}
// Align to the DWORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 4) != 0)
_ = entry.Data.ReadByte(ref offset);
}
#endregion
dialogBoxResource.ExtendedDialogTemplate = dialogTemplateExtended;
#endregion
#region Extended dialog item templates
var dialogItemExtendedTemplates = new List<Models.PortableExecutable.DialogItemTemplateExtended>();
for (int i = 0; i < dialogTemplateExtended.DialogItems; i++)
{
var dialogItemTemplate = new Models.PortableExecutable.DialogItemTemplateExtended();
dialogItemTemplate.HelpID = entry.Data.ReadUInt32(ref offset);
dialogItemTemplate.ExtendedStyle = (Models.PortableExecutable.ExtendedWindowStyles)entry.Data.ReadUInt32(ref offset);
dialogItemTemplate.Style = (Models.PortableExecutable.WindowStyles)entry.Data.ReadUInt32(ref offset);
dialogItemTemplate.PositionX = entry.Data.ReadInt16(ref offset);
dialogItemTemplate.PositionY = entry.Data.ReadInt16(ref offset);
dialogItemTemplate.WidthX = entry.Data.ReadInt16(ref offset);
dialogItemTemplate.HeightY = entry.Data.ReadInt16(ref offset);
dialogItemTemplate.ID = entry.Data.ReadUInt32(ref offset);
#region Class resource
currentOffset = offset;
ushort itemClassResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0xFFFF means ordinal only
if (itemClassResourceIdentifier == 0xFFFF)
{
// Increment the pointer
_ = entry.Data.ReadUInt16(ref offset);
// Read the ordinal
dialogItemTemplate.ClassResourceOrdinal = (Models.PortableExecutable.DialogItemTemplateOrdinal)entry.Data.ReadUInt16(ref offset);
}
else
{
// Flag if there's an ordinal at the end
bool classResourcehasOrdinal = itemClassResourceIdentifier == 0xFFFF;
if (classResourcehasOrdinal)
offset += sizeof(ushort);
// Read the class resource as a string
dialogItemTemplate.ClassResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
#region Title resource
currentOffset = offset;
ushort itemTitleResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0xFFFF means ordinal only
if (itemTitleResourceIdentifier == 0xFFFF)
{
// Increment the pointer
_ = entry.Data.ReadUInt16(ref offset);
// Read the ordinal
dialogItemTemplate.TitleResourceOrdinal = entry.Data.ReadUInt16(ref offset);
}
else
{
// Read the title resource as a string
dialogItemTemplate.TitleResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
#region Creation data
dialogItemTemplate.CreationDataSize = entry.Data.ReadUInt16(ref offset);
if (dialogItemTemplate.CreationDataSize != 0)
dialogItemTemplate.CreationData = entry.Data.ReadBytes(ref offset, dialogItemTemplate.CreationDataSize);
#endregion
// Align to the DWORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 4) != 0)
_ = entry.Data.ReadByte(ref offset);
}
dialogItemExtendedTemplates.Add(dialogItemTemplate);
}
dialogBoxResource.ExtendedDialogItemTemplates = dialogItemExtendedTemplates.ToArray();
#endregion
}
else
{
#region Dialog template
var dialogTemplate = new Models.PortableExecutable.DialogTemplate();
dialogTemplate.Style = (Models.PortableExecutable.WindowStyles)entry.Data.ReadUInt32(ref offset);
dialogTemplate.ExtendedStyle = (Models.PortableExecutable.ExtendedWindowStyles)entry.Data.ReadUInt32(ref offset);
dialogTemplate.ItemCount = entry.Data.ReadUInt16(ref offset);
dialogTemplate.PositionX = entry.Data.ReadInt16(ref offset);
dialogTemplate.PositionY = entry.Data.ReadInt16(ref offset);
dialogTemplate.WidthX = entry.Data.ReadInt16(ref offset);
dialogTemplate.HeightY = entry.Data.ReadInt16(ref offset);
#region Menu resource
int currentOffset = offset;
ushort menuResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0x0000 means no elements
if (menuResourceIdentifier == 0x0000)
{
// Increment the pointer if it was empty
offset += sizeof(ushort);
}
else
{
// Flag if there's an ordinal at the end
bool menuResourceHasOrdinal = menuResourceIdentifier == 0xFFFF;
if (menuResourceHasOrdinal)
offset += sizeof(ushort);
// Read the menu resource as a string
dialogTemplate.MenuResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
// Read the ordinal if we have the flag set
if (menuResourceHasOrdinal)
dialogTemplate.MenuResourceOrdinal = entry.Data.ReadUInt16(ref offset);
}
#endregion
#region Class resource
currentOffset = offset;
ushort classResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0x0000 means no elements
if (classResourceIdentifier == 0x0000)
{
// Increment the pointer if it was empty
offset += sizeof(ushort);
}
else
{
// Flag if there's an ordinal at the end
bool classResourcehasOrdinal = classResourceIdentifier == 0xFFFF;
if (classResourcehasOrdinal)
offset += sizeof(ushort);
// Read the class resource as a string
dialogTemplate.ClassResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
// Read the ordinal if we have the flag set
if (classResourcehasOrdinal)
dialogTemplate.ClassResourceOrdinal = entry.Data.ReadUInt16(ref offset);
}
#endregion
#region Title resource
currentOffset = offset;
ushort titleResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0x0000 means no elements
if (titleResourceIdentifier == 0x0000)
{
// Increment the pointer if it was empty
offset += sizeof(ushort);
}
else
{
// Read the title resource as a string
dialogTemplate.TitleResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
#region Point size and typeface
// Only if DS_SETFONT is set are the values here used
if (dialogTemplate.Style.HasFlag(Models.PortableExecutable.WindowStyles.DS_SETFONT))
{
dialogTemplate.PointSizeValue = entry.Data.ReadUInt16(ref offset);
// Read the font name as a string
dialogTemplate.Typeface = entry.Data.ReadString(ref offset, Encoding.Unicode);
}
// Align to the DWORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 4) != 0)
_ = entry.Data.ReadByte(ref offset);
}
#endregion
dialogBoxResource.DialogTemplate = dialogTemplate;
#endregion
#region Dialog item templates
var dialogItemTemplates = new List<Models.PortableExecutable.DialogItemTemplate>();
for (int i = 0; i < dialogTemplate.ItemCount; i++)
{
var dialogItemTemplate = new Models.PortableExecutable.DialogItemTemplate();
dialogItemTemplate.Style = (Models.PortableExecutable.WindowStyles)entry.Data.ReadUInt32(ref offset);
dialogItemTemplate.ExtendedStyle = (Models.PortableExecutable.ExtendedWindowStyles)entry.Data.ReadUInt32(ref offset);
dialogItemTemplate.PositionX = entry.Data.ReadInt16(ref offset);
dialogItemTemplate.PositionY = entry.Data.ReadInt16(ref offset);
dialogItemTemplate.WidthX = entry.Data.ReadInt16(ref offset);
dialogItemTemplate.HeightY = entry.Data.ReadInt16(ref offset);
dialogItemTemplate.ID = entry.Data.ReadUInt16(ref offset);
#region Class resource
currentOffset = offset;
ushort itemClassResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0xFFFF means ordinal only
if (itemClassResourceIdentifier == 0xFFFF)
{
// Increment the pointer
_ = entry.Data.ReadUInt16(ref offset);
// Read the ordinal
dialogItemTemplate.ClassResourceOrdinal = (Models.PortableExecutable.DialogItemTemplateOrdinal)entry.Data.ReadUInt16(ref offset);
}
else
{
// Flag if there's an ordinal at the end
bool classResourcehasOrdinal = itemClassResourceIdentifier == 0xFFFF;
if (classResourcehasOrdinal)
offset += sizeof(ushort);
// Read the class resource as a string
dialogItemTemplate.ClassResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
#region Title resource
currentOffset = offset;
ushort itemTitleResourceIdentifier = entry.Data.ReadUInt16(ref offset);
offset = currentOffset;
// 0xFFFF means ordinal only
if (itemTitleResourceIdentifier == 0xFFFF)
{
// Increment the pointer
_ = entry.Data.ReadUInt16(ref offset);
// Read the ordinal
dialogItemTemplate.TitleResourceOrdinal = entry.Data.ReadUInt16(ref offset);
}
else
{
// Read the title resource as a string
dialogItemTemplate.TitleResource = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the WORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 2) != 0)
_ = entry.Data.ReadByte(ref offset);
}
}
#endregion
#region Creation data
dialogItemTemplate.CreationDataSize = entry.Data.ReadUInt16(ref offset);
if (dialogItemTemplate.CreationDataSize != 0)
dialogItemTemplate.CreationData = entry.Data.ReadBytes(ref offset, dialogItemTemplate.CreationDataSize);
#endregion
// Align to the DWORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 4) != 0)
_ = entry.Data.ReadByte(ref offset);
}
dialogItemTemplates.Add(dialogItemTemplate);
}
dialogBoxResource.DialogItemTemplates = dialogItemTemplates.ToArray();
#endregion
}
return dialogBoxResource;
}
/// <summary>
/// Read resource data as a font group
/// </summary>
/// <param name="entry">Resource data entry to parse into a font group</param>
/// <returns>A filled font group on success, null on error</returns>
public static Models.PortableExecutable.FontGroupHeader AsFontGroup(this Models.PortableExecutable.ResourceDataEntry entry)
{
// If we have an invalid entry, just skip
if (entry?.Data == null)
return null;
// Initialize the iterator
int offset = 0;
// Create the output object
var fontGroupHeader = new Models.PortableExecutable.FontGroupHeader();
fontGroupHeader.NumberOfFonts = entry.Data.ReadUInt16(ref offset);
if (fontGroupHeader.NumberOfFonts > 0)
{
fontGroupHeader.DE = new Models.PortableExecutable.DirEntry[fontGroupHeader.NumberOfFonts];
for (int i = 0; i < fontGroupHeader.NumberOfFonts; i++)
{
var dirEntry = new Models.PortableExecutable.DirEntry();
dirEntry.FontOrdinal = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry = new Models.PortableExecutable.FontDirEntry();
dirEntry.Entry.Version = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.Size = entry.Data.ReadUInt32(ref offset);
dirEntry.Entry.Copyright = entry.Data.ReadBytes(ref offset, 60);
dirEntry.Entry.Type = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.Points = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.VertRes = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.HorizRes = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.Ascent = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.InternalLeading = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.ExternalLeading = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.Italic = entry.Data.ReadByte(ref offset);
dirEntry.Entry.Underline = entry.Data.ReadByte(ref offset);
dirEntry.Entry.StrikeOut = entry.Data.ReadByte(ref offset);
dirEntry.Entry.Weight = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.CharSet = entry.Data.ReadByte(ref offset);
dirEntry.Entry.PixWidth = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.PixHeight = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.PitchAndFamily = entry.Data.ReadByte(ref offset);
dirEntry.Entry.AvgWidth = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.MaxWidth = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.FirstChar = entry.Data.ReadByte(ref offset);
dirEntry.Entry.LastChar = entry.Data.ReadByte(ref offset);
dirEntry.Entry.DefaultChar = entry.Data.ReadByte(ref offset);
dirEntry.Entry.BreakChar = entry.Data.ReadByte(ref offset);
dirEntry.Entry.WidthBytes = entry.Data.ReadUInt16(ref offset);
dirEntry.Entry.Device = entry.Data.ReadUInt32(ref offset);
dirEntry.Entry.Face = entry.Data.ReadUInt32(ref offset);
dirEntry.Entry.Reserved = entry.Data.ReadUInt32(ref offset);
// TODO: Determine how to read these two? Immediately after?
dirEntry.Entry.DeviceName = entry.Data.ReadString(ref offset);
dirEntry.Entry.FaceName = entry.Data.ReadString(ref offset);
fontGroupHeader.DE[i] = dirEntry;
}
}
// TODO: Implement entry parsing
return fontGroupHeader;
}
/// <summary>
/// Read resource data as a menu
/// </summary>
/// <param name="entry">Resource data entry to parse into a menu</param>
/// <returns>A filled menu on success, null on error</returns>
public static Models.PortableExecutable.MenuResource AsMenu(this Models.PortableExecutable.ResourceDataEntry entry)
{
// If we have an invalid entry, just skip
if (entry?.Data == null)
return null;
// Initialize the iterator
int offset = 0;
// Create the output object
var menuResource = new Models.PortableExecutable.MenuResource();
// Try to read the version for an extended header
int versionOffset = 0;
int possibleVersion = entry.Data.ReadUInt16(ref versionOffset);
if (possibleVersion == 0x0001)
{
#region Extended menu header
var menuHeaderExtended = new Models.PortableExecutable.MenuHeaderExtended();
menuHeaderExtended.Version = entry.Data.ReadUInt16(ref offset);
menuHeaderExtended.Offset = entry.Data.ReadUInt16(ref offset);
menuHeaderExtended.HelpID = entry.Data.ReadUInt32(ref offset);
menuResource.ExtendedMenuHeader = menuHeaderExtended;
#endregion
#region Extended dialog item templates
var extendedMenuItems = new List<Models.PortableExecutable.MenuItemExtended>();
if (offset != 0)
{
offset = menuHeaderExtended.Offset;
while (offset < entry.Data.Length)
{
var extendedMenuItem = new Models.PortableExecutable.MenuItemExtended();
extendedMenuItem.ItemType = (Models.PortableExecutable.MenuFlags)entry.Data.ReadUInt32(ref offset);
extendedMenuItem.State = (Models.PortableExecutable.MenuFlags)entry.Data.ReadUInt32(ref offset);
extendedMenuItem.ID = entry.Data.ReadUInt32(ref offset);
extendedMenuItem.Flags = (Models.PortableExecutable.MenuFlags)entry.Data.ReadUInt32(ref offset);
extendedMenuItem.MenuText = entry.Data.ReadString(ref offset, Encoding.Unicode);
// Align to the DWORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 4) != 0)
_ = entry.Data.ReadByte(ref offset);
}
extendedMenuItems.Add(extendedMenuItem);
}
}
menuResource.ExtendedMenuItems = extendedMenuItems.ToArray();
#endregion
}
else
{
#region Menu header
var menuHeader = new Models.PortableExecutable.MenuHeader();
menuHeader.Version = entry.Data.ReadUInt16(ref offset);
menuHeader.HeaderSize = entry.Data.ReadUInt16(ref offset);
menuResource.MenuHeader = menuHeader;
#endregion
#region Menu items
var menuItems = new List<Models.PortableExecutable.MenuItem>();
while (offset < entry.Data.Length)
{
var menuItem = new Models.PortableExecutable.MenuItem();
// Determine if this is a popup
int flagsOffset = offset;
var initialFlags = (Models.PortableExecutable.MenuFlags)entry.Data.ReadUInt16(ref flagsOffset);
if (initialFlags.HasFlag(Models.PortableExecutable.MenuFlags.MF_POPUP))
{
menuItem.PopupItemType = (Models.PortableExecutable.MenuFlags)entry.Data.ReadUInt32(ref offset);
menuItem.PopupState = (Models.PortableExecutable.MenuFlags)entry.Data.ReadUInt32(ref offset);
menuItem.PopupID = entry.Data.ReadUInt32(ref offset);
menuItem.PopupResInfo = (Models.PortableExecutable.MenuFlags)entry.Data.ReadUInt32(ref offset);
menuItem.PopupMenuText = entry.Data.ReadString(ref offset, Encoding.Unicode);
}
else
{
menuItem.NormalResInfo = (Models.PortableExecutable.MenuFlags)entry.Data.ReadUInt16(ref offset);
menuItem.NormalMenuText = entry.Data.ReadString(ref offset, Encoding.Unicode);
}
// Align to the DWORD boundary if we're not at the end
if (offset != entry.Data.Length)
{
while ((offset % 4) != 0)
_ = entry.Data.ReadByte(ref offset);
}
menuItems.Add(menuItem);
}
menuResource.MenuItems = menuItems.ToArray();
#endregion
}
return menuResource;
}
/// <summary>
/// Read resource data as a message table resource
/// </summary>
/// <param name="entry">Resource data entry to parse into a message table resource</param>
/// <returns>A filled message table resource on success, null on error</returns>
public static Models.PortableExecutable.MessageResourceData AsMessageResourceData(this Models.PortableExecutable.ResourceDataEntry entry)
{
// If we have an invalid entry, just skip
if (entry?.Data == null)
return null;
// Initialize the iterator
int offset = 0;
// Create the output object
var messageResourceData = new Models.PortableExecutable.MessageResourceData();
// Message resource blocks
messageResourceData.NumberOfBlocks = entry.Data.ReadUInt32(ref offset);
if (messageResourceData.NumberOfBlocks > 0)
{
var messageResourceBlocks = new List<Models.PortableExecutable.MessageResourceBlock>();
for (int i = 0; i < messageResourceData.NumberOfBlocks; i++)
{
var messageResourceBlock = new Models.PortableExecutable.MessageResourceBlock();
messageResourceBlock.LowId = entry.Data.ReadUInt32(ref offset);
messageResourceBlock.HighId = entry.Data.ReadUInt32(ref offset);
messageResourceBlock.OffsetToEntries = entry.Data.ReadUInt32(ref offset);
messageResourceBlocks.Add(messageResourceBlock);
}
messageResourceData.Blocks = messageResourceBlocks.ToArray();
}
// Message resource entries
if (messageResourceData.Blocks != null && messageResourceData.Blocks.Length != 0)
{
var messageResourceEntries = new Dictionary<uint, Models.PortableExecutable.MessageResourceEntry>();
for (int i = 0; i < messageResourceData.Blocks.Length; i++)
{
var messageResourceBlock = messageResourceData.Blocks[i];
offset = (int)messageResourceBlock.OffsetToEntries;
for (uint j = messageResourceBlock.LowId; j <= messageResourceBlock.HighId; j++)
{
var messageResourceEntry = new Models.PortableExecutable.MessageResourceEntry();
messageResourceEntry.Length = entry.Data.ReadUInt16(ref offset);
messageResourceEntry.Flags = entry.Data.ReadUInt16(ref offset);
Encoding textEncoding = messageResourceEntry.Flags == 0x0001 ? Encoding.Unicode : Encoding.ASCII;
byte[] textArray = entry.Data.ReadBytes(ref offset, messageResourceEntry.Length - 4);
messageResourceEntry.Text = textEncoding.GetString(textArray);
messageResourceEntries[j] = messageResourceEntry;
}
}
messageResourceData.Entries = messageResourceEntries;
}
return messageResourceData;
}
/// <summary>
/// Read resource data as a string table resource
/// </summary>
/// <param name="entry">Resource data entry to parse into a string table resource</param>
/// <returns>A filled string table resource on success, null on error</returns>
public static Dictionary<int, string> AsStringTable(this Models.PortableExecutable.ResourceDataEntry entry)
{
// If we have an invalid entry, just skip
if (entry?.Data == null)
return null;
// Initialize the iterators
int offset = 0, stringIndex = 0;
// Create the output table
var stringTable = new Dictionary<int, string>();
// Loop through and add
while (offset < entry.Data.Length)
{
ushort stringLength = entry.Data.ReadUInt16(ref offset);
if (stringLength == 0)
{
stringTable[stringIndex++] = "[EMPTY]";
}
else
{
if (stringLength * 2 > entry.Data.Length - offset)
{
Console.WriteLine($"{stringLength * 2} requested but {entry.Data.Length - offset} remains");
stringLength = (ushort)((entry.Data.Length - offset) / 2);
}
string stringValue = Encoding.Unicode.GetString(entry.Data, offset, stringLength * 2);
offset += stringLength * 2;
stringValue = stringValue.Replace("\n", "\\n").Replace("\r", newValue: "\\r");
stringTable[stringIndex++] = stringValue;
}
}
return stringTable;
}
/// <summary>
/// Read resource data as a version info resource
/// </summary>
/// <param name="entry">Resource data entry to parse into a version info resource</param>
/// <returns>A filled version info resource on success, null on error</returns>
public static Models.PortableExecutable.VersionInfo AsVersionInfo(this Models.PortableExecutable.ResourceDataEntry entry)
{
// If we have an invalid entry, just skip
if (entry?.Data == null)
return null;
// Initialize the iterator
int offset = 0;
// Create the output object
var versionInfo = new Models.PortableExecutable.VersionInfo();
versionInfo.Length = entry.Data.ReadUInt16(ref offset);
versionInfo.ValueLength = entry.Data.ReadUInt16(ref offset);
versionInfo.ResourceType = (Models.PortableExecutable.VersionResourceType)entry.Data.ReadUInt16(ref offset);
versionInfo.Key = entry.Data.ReadString(ref offset, Encoding.Unicode);
if (versionInfo.Key != "VS_VERSION_INFO")
return null;
while ((offset % 4) != 0)
versionInfo.Padding1 = entry.Data.ReadUInt16(ref offset);
// Read fixed file info
if (versionInfo.ValueLength > 0)
{
var fixedFileInfo = new Models.PortableExecutable.FixedFileInfo();
fixedFileInfo.Signature = entry.Data.ReadUInt32(ref offset);
if (fixedFileInfo.Signature != 0xFEEF04BD)
return null;
fixedFileInfo.StrucVersion = entry.Data.ReadUInt32(ref offset);
fixedFileInfo.FileVersionMS = entry.Data.ReadUInt32(ref offset);
fixedFileInfo.FileVersionLS = entry.Data.ReadUInt32(ref offset);
fixedFileInfo.ProductVersionMS = entry.Data.ReadUInt32(ref offset);
fixedFileInfo.ProductVersionLS = entry.Data.ReadUInt32(ref offset);
fixedFileInfo.FileFlagsMask = entry.Data.ReadUInt32(ref offset);
fixedFileInfo.FileFlags = (Models.PortableExecutable.FixedFileInfoFlags)(entry.Data.ReadUInt32(ref offset) & fixedFileInfo.FileFlagsMask);
fixedFileInfo.FileOS = (Models.PortableExecutable.FixedFileInfoOS)entry.Data.ReadUInt32(ref offset);
fixedFileInfo.FileType = (Models.PortableExecutable.FixedFileInfoFileType)entry.Data.ReadUInt32(ref offset);
fixedFileInfo.FileSubtype = (Models.PortableExecutable.FixedFileInfoFileSubtype)entry.Data.ReadUInt32(ref offset);
fixedFileInfo.FileDateMS = entry.Data.ReadUInt32(ref offset);
fixedFileInfo.FileDateLS = entry.Data.ReadUInt32(ref offset);
versionInfo.Value = fixedFileInfo;
}
while ((offset % 4) != 0)
versionInfo.Padding2 = entry.Data.ReadUInt16(ref offset);
// TODO: Make the following block a private helper method
// Determine if we have a StringFileInfo or VarFileInfo next
if (offset < versionInfo.Length)
{
// Cache the current offset for reading
int currentOffset = offset;
offset += 6;
string nextKey = entry.Data.ReadString(ref offset, Encoding.Unicode);
offset = currentOffset;
if (nextKey == "StringFileInfo")
{
var stringFileInfo = AsStringFileInfo(entry.Data, ref offset);
versionInfo.StringFileInfo = stringFileInfo;
}
else if (nextKey == "VarFileInfo")
{
var varFileInfo = AsVarFileInfo(entry.Data, ref offset);
versionInfo.VarFileInfo = varFileInfo;
}
}
// And again
if (offset < versionInfo.Length)
{
// Cache the current offset for reading
int currentOffset = offset;
offset += 6;
string nextKey = entry.Data.ReadString(ref offset, Encoding.Unicode);
offset = currentOffset;
if (nextKey == "StringFileInfo")
{
var stringFileInfo = AsStringFileInfo(entry.Data, ref offset);
versionInfo.StringFileInfo = stringFileInfo;
}
else if (nextKey == "VarFileInfo")
{
var varFileInfo = AsVarFileInfo(entry.Data, ref offset);
versionInfo.VarFileInfo = varFileInfo;
}
}
return versionInfo;
}
/// <summary>
/// Read byte data as a string file info resource
/// </summary>
/// <param name="data">Data to parse into a string file info</param>
/// <param name="offset">Offset into the byte array</param>
/// <returns>A filled string file info resource on success, null on error</returns>
private static Models.PortableExecutable.StringFileInfo AsStringFileInfo(byte[] data, ref int offset)
{
var stringFileInfo = new Models.PortableExecutable.StringFileInfo();
// Cache the initial offset
int currentOffset = offset;
stringFileInfo.Length = data.ReadUInt16(ref offset);
stringFileInfo.ValueLength = data.ReadUInt16(ref offset);
stringFileInfo.ResourceType = (Models.PortableExecutable.VersionResourceType)data.ReadUInt16(ref offset);
stringFileInfo.Key = data.ReadString(ref offset, Encoding.Unicode);
if (stringFileInfo.Key != "StringFileInfo")
{
offset -= 6 + ((stringFileInfo.Key.Length + 1) * 2);
return null;
}
// Align to the DWORD boundary if we're not at the end
if (offset != data.Length)
{
while ((offset % 4) != 0)
stringFileInfo.Padding = data.ReadByte(ref offset);
}
var stringFileInfoChildren = new List<Models.PortableExecutable.StringTable>();
while ((offset - currentOffset) < stringFileInfo.Length)
{
var stringTable = new Models.PortableExecutable.StringTable();
stringTable.Length = data.ReadUInt16(ref offset);
stringTable.ValueLength = data.ReadUInt16(ref offset);
stringTable.ResourceType = (Models.PortableExecutable.VersionResourceType)data.ReadUInt16(ref offset);
stringTable.Key = data.ReadString(ref offset, Encoding.Unicode);
// Align to the DWORD boundary if we're not at the end
if (offset != data.Length)
{
while ((offset % 4) != 0)
stringTable.Padding = data.ReadByte(ref offset);
}
var stringTableChildren = new List<Models.PortableExecutable.StringData>();
while ((offset - currentOffset) < stringTable.Length)
{
var stringData = new Models.PortableExecutable.StringData();
stringData.Length = data.ReadUInt16(ref offset);
stringData.ValueLength = data.ReadUInt16(ref offset);
stringData.ResourceType = (Models.PortableExecutable.VersionResourceType)data.ReadUInt16(ref offset);
stringData.Key = data.ReadString(ref offset, Encoding.Unicode);
// Align to the DWORD boundary if we're not at the end
if (offset != data.Length)
{
while ((offset % 4) != 0)
stringData.Padding = data.ReadByte(ref offset);
}
if (stringData.ValueLength > 0)
{
byte[] valueBytes = data.ReadBytes(ref offset, stringData.ValueLength * sizeof(ushort));
stringData.Value = Encoding.Unicode.GetString(valueBytes);
}
// Align to the DWORD boundary if we're not at the end
if (offset != data.Length)
{
while ((offset % 4) != 0)
_ = data.ReadByte(ref offset);
}
stringTableChildren.Add(stringData);
}
stringTable.Children = stringTableChildren.ToArray();
stringFileInfoChildren.Add(stringTable);
}
stringFileInfo.Children = stringFileInfoChildren.ToArray();
return stringFileInfo;
}
/// <summary>
/// Read byte data as a var file info resource
/// </summary>
/// <param name="data">Data to parse into a var file info</param>
/// <param name="offset">Offset into the byte array</param>
/// <returns>A filled var file info resource on success, null on error</returns>
private static Models.PortableExecutable.VarFileInfo AsVarFileInfo(byte[] data, ref int offset)
{
var varFileInfo = new Models.PortableExecutable.VarFileInfo();
// Cache the initial offset
int initialOffset = offset;
varFileInfo.Length = data.ReadUInt16(ref offset);
varFileInfo.ValueLength = data.ReadUInt16(ref offset);
varFileInfo.ResourceType = (Models.PortableExecutable.VersionResourceType)data.ReadUInt16(ref offset);
varFileInfo.Key = data.ReadString(ref offset, Encoding.Unicode);
if (varFileInfo.Key != "VarFileInfo")
return null;
// Align to the DWORD boundary if we're not at the end
if (offset != data.Length)
{
while ((offset % 4) != 0)
varFileInfo.Padding = data.ReadByte(ref offset);
}
var varFileInfoChildren = new List<Models.PortableExecutable.VarData>();
while ((offset - initialOffset) < varFileInfo.Length)
{
var varData = new Models.PortableExecutable.VarData();
varData.Length = data.ReadUInt16(ref offset);
varData.ValueLength = data.ReadUInt16(ref offset);
varData.ResourceType = (Models.PortableExecutable.VersionResourceType)data.ReadUInt16(ref offset);
varData.Key = data.ReadString(ref offset, Encoding.Unicode);
if (varData.Key != "Translation")
{
offset -= 6 + ((varData.Key.Length + 1) * 2);
return null;
}
// Align to the DWORD boundary if we're not at the end
if (offset != data.Length)
{
while ((offset % 4) != 0)
varData.Padding = data.ReadByte(ref offset);
}
// Cache the current offset
int currentOffset = offset;
var varDataValue = new List<uint>();
while ((offset - currentOffset) < varData.ValueLength)
{
uint languageAndCodeIdentifierPair = data.ReadUInt32(ref offset);
varDataValue.Add(languageAndCodeIdentifierPair);
}
varData.Value = varDataValue.ToArray();
varFileInfoChildren.Add(varData);
}
varFileInfo.Children = varFileInfoChildren.ToArray();
return varFileInfo;
}
#endregion
#endregion
}
}