mirror of
https://github.com/nefarius/ViGEmBus.git
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63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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* Virtual Gamepad Emulation Framework - Windows kernel-mode bus driver
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*
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* MIT License
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*
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* Copyright (c) 2016-2020 Nefarius Software Solutions e.U. and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <ntifs.h>
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#include "busenum.h"
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#include "util.tmh"
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VOID ReverseByteArray(PUCHAR Array, INT Length)
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{
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PUCHAR s = (PUCHAR)ExAllocatePoolWithTag(NonPagedPool, sizeof(UCHAR) * Length, VIGEM_POOL_TAG);
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INT c, d;
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if (s == NULL)
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return;
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for (c = Length - 1, d = 0; c >= 0; c--, d++)
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*(s + d) = *(Array + c);
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for (c = 0; c < Length; c++)
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*(Array + c) = *(s + c);
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ExFreePoolWithTag(s, VIGEM_POOL_TAG);
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}
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VOID GenerateRandomMacAddress(PMAC_ADDRESS Address)
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{
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// Vendor "C0:13:37"
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Address->Vendor0 = 0xC0;
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Address->Vendor1 = 0x13;
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Address->Vendor2 = 0x37;
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ULONG seed = KeQueryPerformanceCounter(NULL).LowPart;
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Address->Nic0 = RtlRandomEx(&seed) % 0xFF;
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Address->Nic1 = RtlRandomEx(&seed) % 0xFF;
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Address->Nic2 = RtlRandomEx(&seed) % 0xFF;
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}
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