mirror of
https://github.com/ryujinx-mirror/ryujinx.git
synced 2024-12-05 08:17:25 +00:00
60e16c15b6
* Fix memory corruption in FS Read methods when buffer is larger than needed * PR feedback * nit: Don't move this around
95 lines
No EOL
3 KiB
C#
95 lines
No EOL
3 KiB
C#
using LibHac;
|
|
using LibHac.Common;
|
|
using LibHac.Fs;
|
|
using LibHac.Sf;
|
|
using Ryujinx.Common;
|
|
|
|
namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
|
|
{
|
|
class IFile : DisposableIpcService
|
|
{
|
|
private SharedRef<LibHac.FsSrv.Sf.IFile> _baseFile;
|
|
|
|
public IFile(ref SharedRef<LibHac.FsSrv.Sf.IFile> baseFile)
|
|
{
|
|
_baseFile = SharedRef<LibHac.FsSrv.Sf.IFile>.CreateMove(ref baseFile);
|
|
}
|
|
|
|
[CommandHipc(0)]
|
|
// Read(u32 readOption, u64 offset, u64 size) -> (u64 out_size, buffer<u8, 0x46, 0> out_buf)
|
|
public ResultCode Read(ServiceCtx context)
|
|
{
|
|
ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
|
|
ulong bufferLen = context.Request.ReceiveBuff[0].Size;
|
|
|
|
ReadOption readOption = context.RequestData.ReadStruct<ReadOption>();
|
|
context.RequestData.BaseStream.Position += 4;
|
|
|
|
long offset = context.RequestData.ReadInt64();
|
|
long size = context.RequestData.ReadInt64();
|
|
|
|
using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
|
|
{
|
|
Result result = _baseFile.Get.Read(out long bytesRead, offset, new OutBuffer(region.Memory.Span), size, readOption);
|
|
|
|
context.ResponseData.Write(bytesRead);
|
|
|
|
return (ResultCode)result.Value;
|
|
}
|
|
}
|
|
|
|
[CommandHipc(1)]
|
|
// Write(u32 writeOption, u64 offset, u64 size, buffer<u8, 0x45, 0>)
|
|
public ResultCode Write(ServiceCtx context)
|
|
{
|
|
ulong position = context.Request.SendBuff[0].Position;
|
|
|
|
WriteOption writeOption = context.RequestData.ReadStruct<WriteOption>();
|
|
context.RequestData.BaseStream.Position += 4;
|
|
|
|
long offset = context.RequestData.ReadInt64();
|
|
long size = context.RequestData.ReadInt64();
|
|
|
|
byte[] data = new byte[context.Request.SendBuff[0].Size];
|
|
|
|
context.Memory.Read(position, data);
|
|
|
|
return (ResultCode)_baseFile.Get.Write(offset, new InBuffer(data), size, writeOption).Value;
|
|
}
|
|
|
|
[CommandHipc(2)]
|
|
// Flush()
|
|
public ResultCode Flush(ServiceCtx context)
|
|
{
|
|
return (ResultCode)_baseFile.Get.Flush().Value;
|
|
}
|
|
|
|
[CommandHipc(3)]
|
|
// SetSize(u64 size)
|
|
public ResultCode SetSize(ServiceCtx context)
|
|
{
|
|
long size = context.RequestData.ReadInt64();
|
|
|
|
return (ResultCode)_baseFile.Get.SetSize(size).Value;
|
|
}
|
|
|
|
[CommandHipc(4)]
|
|
// GetSize() -> u64 fileSize
|
|
public ResultCode GetSize(ServiceCtx context)
|
|
{
|
|
Result result = _baseFile.Get.GetSize(out long size);
|
|
|
|
context.ResponseData.Write(size);
|
|
|
|
return (ResultCode)result.Value;
|
|
}
|
|
|
|
protected override void Dispose(bool isDisposing)
|
|
{
|
|
if (isDisposing)
|
|
{
|
|
_baseFile.Destroy();
|
|
}
|
|
}
|
|
}
|
|
} |