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Disable integrity verification & add patcher utils

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zervo 2024-10-15 16:42:45 +02:00
parent 4bf45d23da
commit 511d371dba
12 changed files with 220 additions and 22 deletions
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20
README.md
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@ -25,3 +25,23 @@ All you have to do is clone this repository, change the `ReferenceBasePath`s in
Set `ReferenceBasePath` to your SEB installation (SafeExamBrowser\Application). You also need to copy the MonoMod files into your SEB installation.
If you want to separate your development/testing files from your actual SEB installation, I recommend copying the files in SafeExamBrowser\Application and the MonoMod files to their own directory.
## Resources
This depends on MonoMod and SafeExamBrowser.
**Download Resources**
SafeExamBrowser: [https://safeexambrowser.org/download_en.html](https://safeexambrowser.org/download_en.html)
MonoMod: [https://github.com/MonoMod/MonoMod](https://github.com/MonoMod/MonoMod)
**Learning Resources**
SafeExamBrowser sourcecode: [https://github.com/SafeExamBrowser/seb-win-refactoring](https://github.com/SafeExamBrowser/seb-win-refactoring)
MonoMod API documentation: [https://monomod.github.io/api/index.html](https://monomod.github.io/api/index.html)
MonoMod step-by-step example implementation: [https://github.com/TROYTRON/ti-mods/blob/main/tutorials/MonoMod%20Guide.md](https://github.com/TROYTRON/ti-mods/blob/main/tutorials/MonoMod%20Guide.md)
dnSpy decomp/analysis tool: [https://github.com/dnSpyEx/dnSpy](https://github.com/dnSpyEx/dnSpy)

2
SEBPatcher.Configuration/SEBPatcher.Configuration.csproj
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@ -6,7 +6,7 @@
<ProjectGuid>{6E7CE06E-5C8A-40F9-8DCA-0C72D30A4AEF}</ProjectGuid>
<OutputType>Library</OutputType>
<RootNamespace>SEBPatcher.Configuration</RootNamespace>
<AssemblyName>SEBPatcher.Configuration</AssemblyName>
<AssemblyName>SafeExamBrowser.Configuration.SEBPatcher.mm</AssemblyName>
<TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">

10
SEBPatcher.Configuration/patch_IntegrityModule.cs
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@ -6,5 +6,15 @@ namespace SafeExamBrowser.Configuration.Integrity
public class patch_IntegrityModule : IntegrityModule
{
[MonoModIgnore] public patch_IntegrityModule(Configuration.Contracts.AppConfig appConfig, SafeExamBrowser.Logging.Contracts.ILogger logger) : base(appConfig, logger) { }
[MonoModOriginal] public extern bool orig_TryVerifyCodeSignature(out bool isValid);
#pragma warning disable CS0108 // Member hides inherited member; missing new keyword
public bool TryVerifyCodeSignature(out bool isValid)
#pragma warning restore CS0108 // Member hides inherited member; missing new keyword
{
bool result = orig_TryVerifyCodeSignature(out isValid);
isValid = true;
return true;
}
}
}

10
SEBPatcher.Monitoring/Applications/ApplicationMonitor.cs
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@ -1,10 +0,0 @@
using System;
namespace SEBPatcher.Monitoring.Applications
{
public class ApplicationMonitor
{
public ApplicationMonitor()
{
}
}
}

34
SEBPatcher.Monitoring/Display/patch_DisplayMonitor.cs Normal file
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@ -0,0 +1,34 @@
using System;
using MonoMod;
using SafeExamBrowser.Logging.Contracts;
using SafeExamBrowser.SystemComponents.Contracts;
using SafeExamBrowser.Monitoring.Contracts.Display;
using SafeExamBrowser.Settings.Monitoring;
using SafeExamBrowser.WindowsApi.Contracts;
namespace SafeExamBrowser.Monitoring.Display
{
#pragma warning disable IDE1006 // Naming Styles
public class patch_DisplayMonitor : DisplayMonitor
#pragma warning restore IDE1006 // Naming Styles
{
[MonoModIgnore] public patch_DisplayMonitor(ILogger logger, INativeMethods nativeMethods, ISystemInfo systemInfo) : base(logger, nativeMethods, systemInfo) { }
#pragma warning disable IDE1006 // Naming Styles
[MonoModOriginal] public extern ValidationResult orig_ValidateConfiguration(DisplaySettings settings);
#pragma warning restore IDE1006 // Naming Styles
#pragma warning disable CS0108 // Member hides inherited member; missing new keyword
public ValidationResult ValidateConfiguration(DisplaySettings settings)
#pragma warning restore CS0108 // Member hides inherited member; missing new keyword
{
ValidationResult result = orig_ValidateConfiguration(settings);
return new ValidationResult
{
ExternalDisplays = 0,
InternalDisplays = 1,
IsAllowed = true
};
}
}
}

13
SEBPatcher.Monitoring/SEBPatcher.Monitoring.csproj
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@ -73,16 +73,25 @@
<Reference Include="SafeExamBrowser.Settings">
<HintPath>$(ReferenceBasePath)\SafeExamBrowser.Settings.dll</HintPath>
</Reference>
<Reference Include="SafeExamBrowser.Monitoring.Contracts">
<HintPath>$(ReferenceBasePath)\SafeExamBrowser.Monitoring.Contracts.dll</HintPath>
</Reference>
</ItemGroup>
<ItemGroup>
<Compile Include="patch_VirtualMachineDetector.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="patch_Clipboard.cs" />
<Compile Include="patch_RemoteSessionDetector.cs" />
<Compile Include="Applications\ApplicationMonitor.cs" />
<Compile Include="Display\patch_DisplayMonitor.cs" />
</ItemGroup>
<ItemGroup>
<Folder Include="Applications\" />
<Folder Include="Display\" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\SEBPatcherUtils\SEBPatcherUtils.csproj">
<Project>{82F861DC-D8C7-46F9-AA60-B67CF43712D5}</Project>
<Name>SEBPatcherUtils</Name>
</ProjectReference>
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
</Project>

15
SEBPatcher.Monitoring/patch_VirtualMachineDetector.cs
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@ -1,6 +1,5 @@
using System;
using SafeExamBrowser.Monitoring;
using MonoMod;
using MonoMod;
using SEBPatcherUtils;
using SafeExamBrowser.Logging.Contracts;
using SafeExamBrowser.SystemComponents.Contracts;
using SafeExamBrowser.SystemComponents.Contracts.Registry;
@ -12,11 +11,11 @@ namespace SafeExamBrowser.Monitoring
#pragma warning restore IDE1006 // Naming Styles
{
[MonoModIgnore] public patch_VirtualMachineDetector(ILogger logger, IRegistry registry, ISystemInfo systemInfo) : base(logger, registry, systemInfo) { }
//[MonoModOriginal] public extern void orig_VirtualMachineDetector();
//[MonoModConstructor] public void VirtualMachineDetector()
//{
// orig_VirtualMachineDetector();
//}
[MonoModOriginal] public extern void orig_VirtualMachineDetector();
[MonoModConstructor] public void VirtualMachineDetector()
{
orig_VirtualMachineDetector();
}
#pragma warning disable IDE1006 // Naming Styles
[MonoModOriginal] public extern bool orig_IsVirtualMachine();

6
SEBPatcher.sln
View file

@ -5,6 +5,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SEBPatcher.Monitoring", "SE
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SEBPatcher.Configuration", "SEBPatcher.Configuration\SEBPatcher.Configuration.csproj", "{6E7CE06E-5C8A-40F9-8DCA-0C72D30A4AEF}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SEBPatcherUtils", "SEBPatcherUtils\SEBPatcherUtils.csproj", "{82F861DC-D8C7-46F9-AA60-B67CF43712D5}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -19,5 +21,9 @@ Global
{6E7CE06E-5C8A-40F9-8DCA-0C72D30A4AEF}.Debug|Any CPU.Build.0 = Debug|Any CPU
{6E7CE06E-5C8A-40F9-8DCA-0C72D30A4AEF}.Release|Any CPU.ActiveCfg = Release|Any CPU
{6E7CE06E-5C8A-40F9-8DCA-0C72D30A4AEF}.Release|Any CPU.Build.0 = Release|Any CPU
{82F861DC-D8C7-46F9-AA60-B67CF43712D5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{82F861DC-D8C7-46F9-AA60-B67CF43712D5}.Debug|Any CPU.Build.0 = Debug|Any CPU
{82F861DC-D8C7-46F9-AA60-B67CF43712D5}.Release|Any CPU.ActiveCfg = Release|Any CPU
{82F861DC-D8C7-46F9-AA60-B67CF43712D5}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
EndGlobal

11
SEBPatcherUtils/Constants.cs Normal file
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@ -0,0 +1,11 @@
namespace SEBPatcherUtils
{
public class Constants
{
public string patcherVersion = "1.0.0";
public string sebTargetVersion = "3.8.0";
public string monomodNetVersion = "4.5.2";
}
}

55
SEBPatcherUtils/PatchLogger.cs Normal file
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@ -0,0 +1,55 @@
using System;
using System.IO;
namespace SEBPatcherUtils
{
public class PatchLogger
{
private readonly string _logFilePath;
private readonly string _logModule;
public PatchLogger(string logModule, string logFilePath)
{
_logFilePath = logFilePath;
_logModule = logModule;
}
public void Log(string message, string logLevel = "INFO")
{
string logEntry = $"{DateTime.Now:yyyy-MM-dd HH:mm:ss} [SEBPatcher] [{_logModule}] [{logLevel}] {message}";
AppendToFile(logEntry);
}
public void Info(string message)
{
Log(message, "INFO");
}
public void Error(string message)
{
Log(message, "ERROR");
}
public void Warning(string message)
{
Log(message, "WARNING");
}
public void Debug(string message)
{
Log(message, "DEBUG");
}
public void AppendToFile(string logEntry)
{
try
{
File.AppendAllText(_logFilePath, logEntry + Environment.NewLine);
}
catch (Exception ex)
{
Console.WriteLine($"[SEBPatcher] Failed to write to log file: {ex.Message}");
}
}
}
}

26
SEBPatcherUtils/Properties/AssemblyInfo.cs Normal file
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@ -0,0 +1,26 @@
using System.Reflection;
using System.Runtime.CompilerServices;
// Information about this assembly is defined by the following attributes.
// Change them to the values specific to your project.
[assembly: AssemblyTitle("SEBPatcherUtils")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("")]
[assembly: AssemblyCopyright("${AuthorCopyright}")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
// The form "{Major}.{Minor}.*" will automatically update the build and revision,
// and "{Major}.{Minor}.{Build}.*" will update just the revision.
[assembly: AssemblyVersion("1.0.*")]
// The following attributes are used to specify the signing key for the assembly,
// if desired. See the Mono documentation for more information about signing.
//[assembly: AssemblyDelaySign(false)]
//[assembly: AssemblyKeyFile("")]

38
SEBPatcherUtils/SEBPatcherUtils.csproj Normal file
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@ -0,0 +1,38 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{82F861DC-D8C7-46F9-AA60-B67CF43712D5}</ProjectGuid>
<OutputType>Library</OutputType>
<RootNamespace>SEBPatcherUtils</RootNamespace>
<AssemblyName>SEBPatcherUtils</AssemblyName>
<TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug</OutputPath>
<DefineConstants>DEBUG;</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<ConsolePause>false</ConsolePause>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<Optimize>true</Optimize>
<OutputPath>bin\Release</OutputPath>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<ConsolePause>false</ConsolePause>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
</ItemGroup>
<ItemGroup>
<Compile Include="PatchLogger.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Constants.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
</Project>