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IL2CPP: Fix binary validation bug (typeDefinitionsSizes)

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This commit is contained in:
Katy Coe
2021-01-15 16:33:27 +01:00
parent 3e4910a0fa
commit f555ce40ff
1 changed files with 3 additions and 4 deletions
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7
Il2CppInspector.Common/IL2CPP/Il2CppBinary.cs
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@@ -283,14 +283,13 @@ namespace Il2CppInspector
* typeRefPointers must be a series of pointers in __const
* MethodInvokePointers must be a series of pointers in __text or .text, and in sequential order
*/
if (MetadataRegistration.typesCount < MetadataRegistration.typeDefinitionsSizesCount
|| MetadataRegistration.genericMethodTableCount < MetadataRegistration.genericInstsCount
|| CodeRegistration.reversePInvokeWrapperCount > 0x4000
if ((Metadata != null && Metadata.Types.Length != MetadataRegistration.typeDefinitionsSizesCount)
|| CodeRegistration.reversePInvokeWrapperCount > 0x10000
|| CodeRegistration.unresolvedVirtualCallCount > 0x4000 // >= 22
|| CodeRegistration.interopDataCount > 0x1000 // >= 23
|| (Image.Version <= 24.1 && CodeRegistration.invokerPointersCount > CodeRegistration.methodPointersCount))
throw new NotSupportedException("The detected Il2CppCodeRegistration / Il2CppMetadataRegistration structs do not pass validation. This may mean that their fields have been re-ordered as a form of obfuscation and Il2CppInspector has not been able to restore the original order automatically. Consider re-ordering the fields in Il2CppBinaryClasses.cs and try again.");
// The global method pointer list was deprecated in v24.2 in favour of Il2CppCodeGenModule
if (Image.Version <= 24.1)
GlobalMethodPointers = Image.ReadMappedArray<ulong>(CodeRegistration.pmethodPointers, (int) CodeRegistration.methodPointersCount);