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[ACLAYERS] Add a compatibility shim + layer for the VMWare Horizon setup.

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This fixes the setup trying to print some debug strings.
For now the shim has to be applied manually, however the setup does not complete yet.
Patch bits & fixes by Thomas.
CORE-13434

svn path=/trunk/; revision=75594
This commit is contained in:
Mark Jansen 2017-08-17 16:27:56 +00:00
parent 41f448998f
commit 1eee5db1a5
3 changed files with 150 additions and 0 deletions
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1
reactos/dll/appcompat/shims/layer/CMakeLists.txt
View file

@ -6,6 +6,7 @@ spec2def(aclayers.dll layer.spec)
list(APPEND SOURCE
dispmode.c
versionlie.c
vmhorizon.c
main.c
layer.spec)

142
reactos/dll/appcompat/shims/layer/vmhorizon.c Normal file
View file

@ -0,0 +1,142 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Shim library
* FILE: dll/appcompat/shims/layer/vmhorizon.c
* PURPOSE: Shim for VMWare Horizon setup
* PROGRAMMER: Thomas Faber (thomas.faber@reactos.org)
* Mark Jansen (mark.jansen@reactos.org)
*/
#define WIN32_NO_STATUS
#include <windows.h>
#include <shimlib.h>
#include "ntndk.h"
static BOOL Write(PBYTE Address, PBYTE Data, SIZE_T Size)
{
PVOID BaseAddress = Address;
SIZE_T RegionSize = Size;
ULONG OldProtection;
NTSTATUS Status = NtProtectVirtualMemory(NtCurrentProcess(), &BaseAddress, &RegionSize, PAGE_EXECUTE_READWRITE, &OldProtection);
if (NT_SUCCESS(Status))
{
SIZE_T Bytes;
Status = NtWriteVirtualMemory(NtCurrentProcess(), Address, Data, Size, &Bytes);
if (NT_SUCCESS(Status) && Bytes != Size)
Status = STATUS_MEMORY_NOT_ALLOCATED;
NtProtectVirtualMemory(NtCurrentProcess(), &BaseAddress, &RegionSize, OldProtection, &OldProtection);
}
return NT_SUCCESS(Status);
}
static void FixupDll(PLDR_DATA_TABLE_ENTRY LdrEntry)
{
static const UCHAR Match1[5] = { 0x0C, 0x8B, 0xFC, 0xF3, 0xA5 };
static const UCHAR Match2[5] = { 0x0C, 0x8B, 0xFC, 0xF3, 0xA5 };
static const UCHAR Match3[5] = { 0xB0, 0x8B, 0xFC, 0xF3, 0xA5 };
UCHAR Replacement1[5] = { 0x10, 0x89, 0x34, 0x24, 0x90 };
UCHAR Replacement2[5] = { 0x10, 0x89, 0x34, 0x24, 0x90 };
UCHAR Replacement3[5] = { 0xB4, 0x89, 0x34, 0x24, 0x90 };
#define OFFSET_1 0x21A6E
#define OFFSET_2 0x21B04
#define OFFSET_3 0x21C3C
UCHAR Buffer[5];
PBYTE Base = LdrEntry->DllBase;
SIZE_T Bytes;
/*
00020E6E: 0C 8B FC F3 A5 --> 10 89 34 24 90 F11A6E - ef0000 = 21A6E
00020F04: 0C 8B FC F3 A5 --> 10 89 34 24 90 F11B04 - ef0000 = 21B04
00021C3C: B0 8B FC F3 A5 --> B4 89 34 24 90 F11C3C - ef0000 = 21C3C
*/
do {
DbgPrint("Module %wZ Loaded at 0x%p, we should patch!\n", &LdrEntry->BaseDllName, LdrEntry->DllBase);
if (!NT_SUCCESS(NtReadVirtualMemory(NtCurrentProcess(), Base + OFFSET_1, Buffer, 5, &Bytes)) || Bytes != 5)
break;
if (memcmp(Buffer, Match1, sizeof(Match1)))
break;
if (!NT_SUCCESS(NtReadVirtualMemory(NtCurrentProcess(), Base + OFFSET_2, Buffer, 5, &Bytes)) || Bytes != 5)
break;
if (memcmp(Buffer, Match2, sizeof(Match2)))
break;
if (!NT_SUCCESS(NtReadVirtualMemory(NtCurrentProcess(), Base + OFFSET_3, Buffer, 5, &Bytes)) || Bytes != 5)
break;
if (memcmp(Buffer, Match3, sizeof(Match3)))
break;
DbgPrint("Module %wZ Loaded at 0x%p, OK to patch!\n", &LdrEntry->BaseDllName, LdrEntry->DllBase);
if (!Write(Base + OFFSET_1, Replacement1, sizeof(Replacement1)))
break;
if (!Write(Base + OFFSET_2, Replacement2, sizeof(Replacement2)))
break;
if (!Write(Base + OFFSET_3, Replacement3, sizeof(Replacement3)))
break;
NtFlushInstructionCache(NtCurrentProcess(), Base, 0x22000);
DbgPrint("Module %wZ Loaded at 0x%p, patched!\n", &LdrEntry->BaseDllName, LdrEntry->DllBase);
} while (0);
}
static BOOLEAN PostfixUnicodeString(const UNICODE_STRING* String1, const UNICODE_STRING* String2)
{
PWCHAR pc1;
PWCHAR pc2;
ULONG NumChars;
if (String2->Length < String1->Length)
return FALSE;
if (!String1->Buffer || !String2->Buffer)
return FALSE;
NumChars = String1->Length / sizeof(WCHAR);
pc1 = String1->Buffer;
pc2 = String2->Buffer + (String2->Length / sizeof(WCHAR)) - NumChars;
while (NumChars--)
{
if (RtlUpcaseUnicodeChar(*pc1++) != RtlUpcaseUnicodeChar(*pc2++))
return FALSE;
}
return TRUE;
}
#define SHIM_NS VMHorizonSetup
#include <setup_shim.inl>
#define SHIM_NUM_HOOKS 0
#define SHIM_NOTIFY_FN SHIM_OBJ_NAME(Notify)
BOOL WINAPI SHIM_OBJ_NAME(Notify)(DWORD fdwReason, PVOID ptr)
{
if (fdwReason == SHIM_REASON_DLL_LOAD)
{
static const UNICODE_STRING DllPrefix = RTL_CONSTANT_STRING(L"msi");
static const UNICODE_STRING DllPostfix = RTL_CONSTANT_STRING(L".tmp");
PLDR_DATA_TABLE_ENTRY LdrEntry = ptr;
BOOLEAN Prefix = RtlPrefixUnicodeString(&DllPrefix, &LdrEntry->BaseDllName, TRUE);
BOOLEAN Postfix = PostfixUnicodeString(&DllPostfix, &LdrEntry->BaseDllName);
ULONG ExtraChars = (LdrEntry->BaseDllName.Length - DllPrefix.Length - DllPostfix.Length) / sizeof(WCHAR);
/* msiN[N].tmp */
if (Prefix && Postfix && ExtraChars <= 2)
{
PIMAGE_NT_HEADERS ImageNtHeader = RtlImageNtHeader(LdrEntry->DllBase);
if (ImageNtHeader && ImageNtHeader->OptionalHeader.CheckSum == 0x176241)
{
SHIM_MSG("Module %wZ is a match, applying fixups\n", &LdrEntry->BaseDllName);
FixupDll(LdrEntry);
}
}
}
return TRUE;
}
#include <implement_shim.inl>

7
reactos/media/sdb/sysmain.xml
View file

@ -170,6 +170,9 @@
<SHIM NAME="DisableThemes">
<DLLFILE>acgenral.dll</DLLFILE>
</SHIM>
<SHIM NAME="VMHorizonSetup">
<DLLFILE>aclayers.dll</DLLFILE>
</SHIM>
<SHIM NAME="HideShimEnv">
<DLLFILE>aclayers.dll</DLLFILE>
@ -280,6 +283,10 @@
<LAYER NAME="DisableThemes">
<SHIM_REF NAME="DisableThemes" />
</LAYER>
<LAYER NAME="VMHorizonSetup">
<!-- ProductId: {7051C96D-AA61-4D83-AF37-646E82D616ED} -->
<SHIM_REF NAME="VMHorizonSetup" />
</LAYER>
</DATABASE>
</SDB>