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Protect against empty requested paths.

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Ottermandias 2025-08-12 12:28:56 +02:00
parent f6bac93db7
commit 12a218bb2b
1 changed files with 19 additions and 7 deletions
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22
Penumbra/Interop/Hooks/ResourceLoading/ResourceService.cs
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@ -1,4 +1,5 @@
using Dalamud.Hooking;
using Dalamud.Interface.Windowing;
using Dalamud.Plugin.Services;
using Dalamud.Utility.Signatures;
using FFXIVClientStructs.FFXIV.Client.System.Resource;
@ -85,7 +86,8 @@ public unsafe class ResourceService : IDisposable, IRequiredService
ResourceType* pResourceType, int* pResourceHash, byte* pPath, GetResourceParameters* pGetResParams, nint unk7, uint unk8);
private delegate ResourceHandle* GetResourceAsyncPrototype(ResourceManager* resourceManager, ResourceCategory* pCategoryId,
ResourceType* pResourceType, int* pResourceHash, byte* pPath, GetResourceParameters* pGetResParams, byte isUnknown, nint unk8, uint unk9);
ResourceType* pResourceType, int* pResourceHash, byte* pPath, GetResourceParameters* pGetResParams, byte isUnknown, nint unk8,
uint unk9);
[Signature(Sigs.GetResourceSync, DetourName = nameof(GetResourceSyncDetour))]
private readonly Hook<GetResourceSyncPrototype> _getResourceSyncHook = null!;
@ -118,6 +120,12 @@ public unsafe class ResourceService : IDisposable, IRequiredService
unk9);
}
if (gamePath.IsEmpty)
{
Penumbra.Log.Error($"[ResourceService] Empty resource path requested with category {*categoryId}, type {*resourceType}, hash {*resourceHash}.");
return null;
}
var original = gamePath;
ResourceHandle* returnValue = null;
ResourceRequested?.Invoke(ref *categoryId, ref *resourceType, ref *resourceHash, ref gamePath, original, pGetResParams, ref isSync,
@ -125,11 +133,13 @@ public unsafe class ResourceService : IDisposable, IRequiredService
if (returnValue != null)
return returnValue;
return GetOriginalResource(isSync, *categoryId, *resourceType, *resourceHash, gamePath.Path, original, pGetResParams, isUnk, unk8, unk9);
return GetOriginalResource(isSync, *categoryId, *resourceType, *resourceHash, gamePath.Path, original, pGetResParams, isUnk, unk8,
unk9);
}
/// <summary> Call the original GetResource function. </summary>
public ResourceHandle* GetOriginalResource(bool sync, ResourceCategory categoryId, ResourceType type, int hash, CiByteString path, Utf8GamePath original,
public ResourceHandle* GetOriginalResource(bool sync, ResourceCategory categoryId, ResourceType type, int hash, CiByteString path,
Utf8GamePath original,
GetResourceParameters* resourceParameters = null, byte unk = 0, nint unk8 = 0, uint unk9 = 0)
{
var previous = _currentGetResourcePath.Value;
@ -141,7 +151,8 @@ public unsafe class ResourceService : IDisposable, IRequiredService
resourceParameters, unk8, unk9)
: _getResourceAsyncHook.OriginalDisposeSafe(_resourceManager.ResourceManager, &categoryId, &type, &hash, path.Path,
resourceParameters, unk, unk8, unk9);
} finally
}
finally
{
_currentGetResourcePath.Value = previous;
}
@ -163,7 +174,8 @@ public unsafe class ResourceService : IDisposable, IRequiredService
/// <param name="syncOriginal">The original game path of the resource, if loaded synchronously.</param>
/// <param name="previousState">The previous state of the resource.</param>
/// <param name="returnValue">The return value to use.</param>
public delegate void ResourceStateUpdatedDelegate(ResourceHandle* handle, Utf8GamePath syncOriginal, (byte UnkState, LoadState LoadState) previousState, ref uint returnValue);
public delegate void ResourceStateUpdatedDelegate(ResourceHandle* handle, Utf8GamePath syncOriginal,
(byte UnkState, LoadState LoadState) previousState, ref uint returnValue);
/// <summary>
/// <inheritdoc cref="ResourceStateUpdatingDelegate"/> <para/>