| 1 | /* $Id: VBoxPeSetVersion.cpp 62537 2016-07-22 19:32:06Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Change the OS and SubSystem version to 4.0 (VS2010 trick).
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2016 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 |
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| 19 | /*********************************************************************************************************************************
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| 20 | * Header Files *
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| 21 | *********************************************************************************************************************************/
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| 22 | #include <iprt/formats/mz.h>
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| 23 | #include <iprt/formats/pecoff.h>
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| 24 | #include <stdio.h>
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| 25 | #include <string.h>
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| 26 |
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| 27 |
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| 28 | /** @todo Rewrite this so it can take options and print out error messages. */
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| 29 | int main(int argc, char **argv)
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| 30 | {
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| 31 | if (argc != 2)
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| 32 | return 30;
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| 33 | FILE *pFile = fopen(argv[1], "r+b");
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| 34 | if (!pFile)
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| 35 | return 1;
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| 36 | IMAGE_DOS_HEADER MzHdr;
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| 37 | if (fread(&MzHdr, sizeof(MzHdr), 1, pFile) != 1)
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| 38 | return 2;
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| 39 |
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| 40 | if (fseek(pFile, MzHdr.e_lfanew, SEEK_SET) != 0)
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| 41 | return 3;
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| 42 |
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| 43 | IMAGE_NT_HEADERS32 NtHdrs;
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| 44 | if (fread(&NtHdrs, sizeof(NtHdrs), 1, pFile) != 1)
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| 45 | return 4;
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| 46 | if (NtHdrs.Signature != IMAGE_NT_SIGNATURE)
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| 47 | return 5;
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| 48 | if (NtHdrs.FileHeader.Machine != IMAGE_FILE_MACHINE_I386)
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| 49 | return 6;
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| 50 | if (NtHdrs.OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
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| 51 | return 7;
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| 52 |
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| 53 | if (NtHdrs.OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
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| 54 | return 7;
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| 55 |
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| 56 | IMAGE_NT_HEADERS32 NtHdrsNew = NtHdrs;
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| 57 | if (NtHdrsNew.OptionalHeader.MajorOperatingSystemVersion > 4)
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| 58 | {
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| 59 | NtHdrsNew.OptionalHeader.MajorOperatingSystemVersion = 4;
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| 60 | NtHdrsNew.OptionalHeader.MinorOperatingSystemVersion = 0;
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| 61 | }
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| 62 | if (NtHdrsNew.OptionalHeader.MajorSubsystemVersion > 4)
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| 63 | {
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| 64 | NtHdrsNew.OptionalHeader.MajorSubsystemVersion = 4;
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| 65 | NtHdrsNew.OptionalHeader.MinorSubsystemVersion = 0;
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| 66 | }
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| 67 |
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| 68 | if (memcmp(&NtHdrsNew, &NtHdrs, sizeof(NtHdrs)))
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| 69 | {
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| 70 | /** @todo calc checksum. */
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| 71 | NtHdrsNew.OptionalHeader.CheckSum = 0;
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| 72 |
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| 73 | if (fseek(pFile, MzHdr.e_lfanew, SEEK_SET) != 0)
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| 74 | return 10;
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| 75 | if (fwrite(&NtHdrsNew, sizeof(NtHdrsNew), 1, pFile) != 1)
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| 76 | return 11;
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| 77 | }
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| 78 |
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| 79 | if (fclose(pFile) != 0)
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| 80 | return 29;
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| 81 | return 0;
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| 82 | }
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| 83 |
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