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SpeedBreaker ProjectandClaude Opus 5.5
a6ade41b9f
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
// SpeedBreaker runtime. GPL-3.0-or-later (see COPYING).
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//
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// Object manager. Kernel objects live until NtClose destroys them (see
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// xdm.h), so reference counting is not modelled yet: references taken with
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// ObReferenceObjectByHandle / ObReferenceObject are simply not counted.
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// If the game ever closes a handle while still holding a reference, this is
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// where to add real counts.
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#include <stdafx.h>
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#include "function.h"
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#include "xdm.h"
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#include <cpu/guest_thread.h>
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void ObDereferenceObject(uint32_t object) {}
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void ObReferenceObject(uint32_t object) {}
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uint32_t NtClose(uint32_t handle);
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constexpr uint32_t CURRENT_PROCESS_PSEUDO = 0xFFFFFFFF;
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constexpr uint32_t CURRENT_THREAD_PSEUDO = 0xFFFFFFFE;
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constexpr uint32_t DUPLICATE_CLOSE_SOURCE = 0x1;
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uint32_t NtDuplicateObject(uint32_t sourceHandle, be<uint32_t>* targetHandle, uint32_t options)
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{
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KernelObject* obj;
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if (sourceHandle == CURRENT_THREAD_PSEUDO)
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obj = GuestThread::GetCurrentThreadObject();
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else if (sourceHandle != CURRENT_PROCESS_PSEUDO && IsKernelObject(sourceHandle))
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obj = GetKernelObject(sourceHandle);
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else
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return STATUS_INVALID_HANDLE;
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RetainKernelObject(obj);
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if (targetHandle)
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*targetHandle = GetKernelHandle(obj);
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if ((options & DUPLICATE_CLOSE_SOURCE) && sourceHandle != CURRENT_THREAD_PSEUDO)
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NtClose(sourceHandle);
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return STATUS_SUCCESS;
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}
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GUEST_FUNCTION_HOOK(__imp__NtDuplicateObject, NtDuplicateObject);
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GUEST_FUNCTION_HOOK(__imp__ObDereferenceObject, ObDereferenceObject);
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GUEST_FUNCTION_HOOK(__imp__ObReferenceObject, ObReferenceObject);
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