1. 修复CallObfus混淆了Enum.HasFlag和GetHashCode函数后,Unity 2021的il2cpp生成cpp代码时发生内部异常的问题

2. 修复CallObfus混淆了MethodBase.GetCurrentMethod导致返回了错误函数的严重bug
dev
walon 2025-06-26 10:09:01 +08:00
parent 72d0b292c5
commit 62deffa10d
1 changed files with 31 additions and 10 deletions

View File

@ -275,26 +275,47 @@ namespace Obfuz.ObfusPasses.CallObfus
}
private readonly HashSet<string> _specialTypeFullNames = new HashSet<string>
{
"System.Enum",
"System.Delegate",
"System.MulticastDelegate",
"Obfuz.EncryptionService`1",
};
private readonly HashSet<string> _specialMethodNames = new HashSet<string>
{
"GetEnumerator", // List<T>.Enumerator.GetEnumerator()
".ctor", // constructor
};
private readonly HashSet<string> _specialMethodFullNames = new HashSet<string>
{
"System.Reflection.MethodBase.GetCurrentMethod",
"System.Reflection.Assembly.GetCallingAssembly",
"System.Reflection.Assembly.GetExecutingAssembly",
"System.Reflection.Assembly.GetEntryAssembly",
};
private bool IsSpecialNotObfuscatedMethod(TypeDef typeDef, IMethod method)
{
if (typeDef.IsDelegate || typeDef.IsEnum)
return true;
string fullName = typeDef.FullName;
if (_specialTypeFullNames.Contains(fullName))
{
return true;
}
string methodName = method.Name;
// doesn't proxy call if the method is a constructor
if (methodName == ".ctor")
if (_specialMethodNames.Contains(methodName))
{
return true;
}
if (typeDef.Name == "EncryptionService`1")
{
return true;
}
// special handle
// don't proxy call for List<T>.Enumerator GetEnumerator()
if (methodName == "GetEnumerator")
string methodFullName = $"{fullName}.{methodName}";
if (_specialMethodFullNames.Contains(methodFullName))
{
return true;
}