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Code Issues Activity

API: Add new option to allow disabling of section realignment.

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Core: Add support for new disable section realignment option.
Unpacker: v20.x86 - Add support for new disable section realignment option.
Unpacker: v21.x86 - Add support for new disable section realignment option.
Unpacker: v30.x86 - Add support for new disable section realignment option.
Unpacker: v30.x64 - Add support for new disable section realignment option.
Unpacker: v31.x86 - Add support for new disable section realignment option.
Unpacker: v31.x64 - Add support for new disable section realignment option.
This commit is contained in:
atom0s 2022-03-23 00:26:02 -07:00
parent 75afb9e425
commit 079a086129
No known key found for this signature in database
GPG key ID: 37D5FD3494D79AF8
10 changed files with 41 additions and 17 deletions
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10
Steamless.API/Model/SteamlessOptions.cs
View file

@ -37,6 +37,7 @@ namespace Steamless.API.Model
this.DumpPayloadToDisk = false;
this.DumpSteamDrmpToDisk = false;
this.UseExperimentalFeatures = false;
this.DontRealignSections = false;
}
/// <summary>
@ -83,5 +84,14 @@ namespace Steamless.API.Model
get => this.Get<bool>("UseExperimentalFeatures");
set => this.Set("UseExperimentalFeatures", value);
}
/// <summary>
/// Gets or sets the don't realign sections option value.
/// </summary>
public bool DontRealignSections
{
get => this.Get<bool>("DontRealignSections");
set => this.Set("DontRealignSections", value);
}
}
}

16
Steamless.API/PE32/Pe32File.cs
View file

@ -304,17 +304,23 @@ namespace Steamless.API.PE32
/// <summary>
/// Rebuilds the sections by aligning them as needed. Updates the Nt headers to
/// correct the new SizeOfImage after alignment is completed.
///
/// <param name="realign"></param>
/// </summary>
public void RebuildSections()
public void RebuildSections(bool realign = true)
{
for (var x = 0; x < this.Sections.Count; x++)
{
// Obtain the current section and realign the data..
var section = this.Sections[x];
section.VirtualAddress = this.GetAlignment(section.VirtualAddress, this.NtHeaders.OptionalHeader.SectionAlignment);
section.VirtualSize = this.GetAlignment(section.VirtualSize, this.NtHeaders.OptionalHeader.SectionAlignment);
section.PointerToRawData = this.GetAlignment(section.PointerToRawData, this.NtHeaders.OptionalHeader.FileAlignment);
section.SizeOfRawData = this.GetAlignment(section.SizeOfRawData, this.NtHeaders.OptionalHeader.FileAlignment);
if (realign)
{
section.VirtualAddress = this.GetAlignment(section.VirtualAddress, this.NtHeaders.OptionalHeader.SectionAlignment);
section.VirtualSize = this.GetAlignment(section.VirtualSize, this.NtHeaders.OptionalHeader.SectionAlignment);
section.PointerToRawData = this.GetAlignment(section.PointerToRawData, this.NtHeaders.OptionalHeader.FileAlignment);
section.SizeOfRawData = this.GetAlignment(section.SizeOfRawData, this.NtHeaders.OptionalHeader.FileAlignment);
}
// Store the sections updates..
this.Sections[x] = section;

18
Steamless.API/PE64/Pe64File.cs
View file

@ -140,7 +140,7 @@ namespace Steamless.API.PE64
// Read the Tls directory..
this.TlsDirectory = Pe64Helpers.GetStructure<NativeApi64.ImageTlsDirectory64>(this.FileData, (int)addr);
if (this.TlsDirectory.AddressOfCallBacks == 0)
if (this.TlsDirectory.AddressOfCallBacks == 0)
return true;
// Read the Tls callbacks..
@ -307,17 +307,23 @@ namespace Steamless.API.PE64
/// <summary>
/// Rebuilds the sections by aligning them as needed. Updates the Nt headers to
/// correct the new SizeOfImage after alignment is completed.
///
/// <param name="realign"></param>
/// </summary>
public void RebuildSections()
public void RebuildSections(bool realign = true)
{
for (var x = 0; x < this.Sections.Count; x++)
{
// Obtain the current section and realign the data..
var section = this.Sections[x];
section.VirtualAddress = (uint)this.GetAlignment(section.VirtualAddress, this.NtHeaders.OptionalHeader.SectionAlignment);
section.VirtualSize = (uint)this.GetAlignment(section.VirtualSize, this.NtHeaders.OptionalHeader.SectionAlignment);
section.PointerToRawData = (uint)this.GetAlignment(section.PointerToRawData, this.NtHeaders.OptionalHeader.FileAlignment);
section.SizeOfRawData = (uint)this.GetAlignment(section.SizeOfRawData, this.NtHeaders.OptionalHeader.FileAlignment);
if (realign)
{
section.VirtualAddress = (uint)this.GetAlignment(section.VirtualAddress, this.NtHeaders.OptionalHeader.SectionAlignment);
section.VirtualSize = (uint)this.GetAlignment(section.VirtualSize, this.NtHeaders.OptionalHeader.SectionAlignment);
section.PointerToRawData = (uint)this.GetAlignment(section.PointerToRawData, this.NtHeaders.OptionalHeader.FileAlignment);
section.SizeOfRawData = (uint)this.GetAlignment(section.SizeOfRawData, this.NtHeaders.OptionalHeader.FileAlignment);
}
// Store the sections updates..
this.Sections[x] = section;

2
Steamless.Unpacker.Variant20.x86/Main.cs
View file

@ -286,7 +286,7 @@ namespace Steamless.Unpacker.Variant20.x86
try
{
// Rebuild the file sections..
this.File.RebuildSections();
this.File.RebuildSections(this.Options.DontRealignSections == false);
}
catch
{

2
Steamless.Unpacker.Variant21.x86/Main.cs
View file

@ -433,7 +433,7 @@ namespace Steamless.Unpacker.Variant21.x86
try
{
// Rebuild the file sections..
this.File.RebuildSections();
this.File.RebuildSections(this.Options.DontRealignSections == false);
// Open the unpacked file for writing..
var unpackedPath = this.File.FilePath + ".unpacked.exe";

2
Steamless.Unpacker.Variant30.x64/Main.cs
View file

@ -432,7 +432,7 @@ namespace Steamless.Unpacker.Variant30.x64
try
{
// Rebuild the file sections..
this.File.RebuildSections();
this.File.RebuildSections(this.Options.DontRealignSections == false);
// Open the unpacked file for writing..
var unpackedPath = this.File.FilePath + ".unpacked.exe";

2
Steamless.Unpacker.Variant30.x86/Main.cs
View file

@ -437,7 +437,7 @@ namespace Steamless.Unpacker.Variant30.x86
try
{
// Rebuild the file sections..
this.File.RebuildSections();
this.File.RebuildSections(this.Options.DontRealignSections == false);
// Open the unpacked file for writing..
var unpackedPath = this.File.FilePath + ".unpacked.exe";

2
Steamless.Unpacker.Variant31.x64/Main.cs
View file

@ -434,7 +434,7 @@ namespace Steamless.Unpacker.Variant31.x64
try
{
// Rebuild the file sections..
this.File.RebuildSections();
this.File.RebuildSections(this.Options.DontRealignSections == false);
// Open the unpacked file for writing..
var unpackedPath = this.File.FilePath + ".unpacked.exe";

2
Steamless.Unpacker.Variant31.x86/Main.cs
View file

@ -433,7 +433,7 @@ namespace Steamless.Unpacker.Variant31.x86
try
{
// Rebuild the file sections..
this.File.RebuildSections();
this.File.RebuildSections(this.Options.DontRealignSections == false);
// Open the unpacked file for writing..
var unpackedPath = this.File.FilePath + ".unpacked.exe";

2
Steamless/View/MainView.xaml
View file

@ -84,12 +84,14 @@
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<CheckBox Grid.Row="0" Content="Verbose Output" Margin="2" ToolTip="If enabled, Steamless will allow logging of debug messages." IsChecked="{Binding Options.VerboseOutput}" />
<CheckBox Grid.Row="1" Content="Keep Bind Section" Margin="2" ToolTip="The bind section should be kept within the file after unpacking." IsChecked="{Binding Options.KeepBindSection}" />
<CheckBox Grid.Row="2" Content="Dump Payload To Disk" Margin="2" ToolTip="Dumps the payload to disk where the target file is located. (File will be saved with the .payload extension.)" IsChecked="{Binding Options.DumpPayloadToDisk}" />
<CheckBox Grid.Row="3" Content="Dump SteamDRMP.dll To Disk" Margin="2" ToolTip="Dumps the SteamDRMP.dll to disk where the target file is located." IsChecked="{Binding Options.DumpSteamDrmpToDisk}" />
<CheckBox Grid.Row="4" Content="Use Experimental Features" Margin="2" ToolTip="Enables the use of experimental features." IsChecked="{Binding Options.UseExperimentalFeatures}" />
<CheckBox Grid.Row="5" Content="Don't Realign Sections" Margin="2" ToolTip="Disables realignment of sections when unpacking." IsChecked="{Binding Options.DontRealignSections}" />
</Grid>
</GroupBox>