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[LDR][APPHELP] Add a shim that disables manifest compatibility version parsing
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@ -29,7 +29,7 @@ typedef struct _ShimData
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} ShimData;
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#define SHIMDATA_MAGIC 0xAC0DEDAB
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#define REACTOS_COMPATVERSION_IGNOREMANIFEST 0xffffffff
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C_ASSERT(SHIMDATA_MAGIC == REACTOS_SHIMDATA_MAGIC);
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C_ASSERT(sizeof(ShimData) == sizeof(ReactOS_ShimData));
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@ -739,7 +739,8 @@ BOOL WINAPI SdbPackAppCompatData(HSDB hsdb, PSDBQUERYRESULT pQueryResult, PVOID*
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if (SdbQueryData(hsdb, pQueryResult->atrLayers[n], L"SHIMVERSIONNT", &dwType, &dwValue, &dwValueSize) == ERROR_SUCCESS &&
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dwType == REG_DWORD && dwValueSize == sizeof(dwValue))
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{
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dwValue = (dwValue % 100) | ((dwValue / 100) << 8);
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if (dwValue != REACTOS_COMPATVERSION_IGNOREMANIFEST)
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dwValue = (dwValue % 100) | ((dwValue / 100) << 8);
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if (dwValue > pData->dwRosProcessCompatVersion)
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pData->dwRosProcessCompatVersion = dwValue;
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}
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@ -1541,9 +1541,17 @@ VOID
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NTAPI
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LdrpInitializeProcessCompat(PVOID* pOldShimData)
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{
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static const GUID* GuidOrder[] = { &COMPAT_GUID_WIN10, &COMPAT_GUID_WIN81, &COMPAT_GUID_WIN8,
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&COMPAT_GUID_WIN7, &COMPAT_GUID_VISTA };
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static const DWORD GuidVersions[] = { WINVER_WIN10, WINVER_WIN81, WINVER_WIN8, WINVER_WIN7, WINVER_VISTA };
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static const struct
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{
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const GUID* Guid;
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const DWORD Version;
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} KnownCompatGuids[] = {
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{ &COMPAT_GUID_WIN10, _WIN32_WINNT_WIN10 },
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{ &COMPAT_GUID_WIN81, _WIN32_WINNT_WINBLUE },
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{ &COMPAT_GUID_WIN8, _WIN32_WINNT_WIN8 },
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{ &COMPAT_GUID_WIN7, _WIN32_WINNT_WIN7 },
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{ &COMPAT_GUID_VISTA, _WIN32_WINNT_VISTA },
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};
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ULONG Buffer[(sizeof(COMPATIBILITY_CONTEXT_ELEMENT) * 10 + sizeof(ACTIVATION_CONTEXT_COMPATIBILITY_INFORMATION)) / sizeof(ULONG)];
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ACTIVATION_CONTEXT_COMPATIBILITY_INFORMATION* ContextCompatInfo;
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@ -1552,8 +1560,6 @@ LdrpInitializeProcessCompat(PVOID* pOldShimData)
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DWORD n, cur;
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ReactOS_ShimData* pShimData = *pOldShimData;
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C_ASSERT(RTL_NUMBER_OF(GuidOrder) == RTL_NUMBER_OF(GuidVersions));
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if (pShimData)
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{
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if (pShimData->dwMagic != REACTOS_SHIMDATA_MAGIC ||
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@ -1564,7 +1570,14 @@ LdrpInitializeProcessCompat(PVOID* pOldShimData)
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}
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if (pShimData->dwRosProcessCompatVersion)
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{
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DPRINT1("LdrpInitializeProcessCompat: ProcessCompatVersion already set to 0x%x\n", pShimData->dwRosProcessCompatVersion);
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if (pShimData->dwRosProcessCompatVersion == REACTOS_COMPATVERSION_IGNOREMANIFEST)
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{
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DPRINT1("LdrpInitializeProcessCompat: ProcessCompatVersion set to ignore manifest\n");
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}
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else
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{
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DPRINT1("LdrpInitializeProcessCompat: ProcessCompatVersion already set to 0x%x\n", pShimData->dwRosProcessCompatVersion);
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}
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return;
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}
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}
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@ -1590,12 +1603,12 @@ LdrpInitializeProcessCompat(PVOID* pOldShimData)
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return;
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/* Search for known GUID's, starting from newest to oldest. */
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for (cur = 0; cur < RTL_NUMBER_OF(GuidOrder); ++cur)
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for (cur = 0; cur < RTL_NUMBER_OF(KnownCompatGuids); ++cur)
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{
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for (n = 0; n < ContextCompatInfo->ElementCount; ++n)
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{
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if (ContextCompatInfo->Elements[n].Type == ACTCX_COMPATIBILITY_ELEMENT_TYPE_OS &&
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RtlCompareMemory(&ContextCompatInfo->Elements[n].Id, GuidOrder[cur], sizeof(GUID)) == sizeof(GUID))
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RtlCompareMemory(&ContextCompatInfo->Elements[n].Id, KnownCompatGuids[cur].Guid, sizeof(GUID)) == sizeof(GUID))
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{
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/* If this process did not need shim data before, allocate and store it */
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if (pShimData == NULL)
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@ -1619,8 +1632,8 @@ LdrpInitializeProcessCompat(PVOID* pOldShimData)
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}
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/* Store the highest found version, and bail out. */
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pShimData->dwRosProcessCompatVersion = GuidVersions[cur];
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DPRINT1("LdrpInitializeProcessCompat: Found guid for winver 0x%x\n", GuidVersions[cur]);
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pShimData->dwRosProcessCompatVersion = KnownCompatGuids[cur].Version;
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DPRINT1("LdrpInitializeProcessCompat: Found guid for winver 0x%x\n", KnownCompatGuids[cur].Version);
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return;
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}
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}
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@ -233,9 +233,9 @@
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<DLLFILE>aclayers.dll</DLLFILE>
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</SHIM>
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<SHIM NAME="HideShimEnv">
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<!--<SHIM NAME="HideShimEnv">
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<DLLFILE>aclayers.dll</DLLFILE>
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</SHIM>
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</SHIM>-->
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<FLAG NAME="GetShortPathNameNT4">
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<FLAG_MASK_KERNEL>1</FLAG_MASK_KERNEL>
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@ -248,6 +248,10 @@
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<!-- Backwards compatibility layers, incomplete! -->
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<LAYER NAME="IgnoreManifestCompatVersion">
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<DATA NAME="SHIMVERSIONNT" DATA_DWORD="0xffffffff" /> <!-- REACTOS_COMPATVERSION_IGNOREMANIFEST -->
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</LAYER>
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<LAYER NAME="WIN95">
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<SHIM_REF NAME="Win95VersionLie" />
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<SHIM_REF NAME="ForceDXSetupSuccess" />
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@ -13,21 +13,16 @@ typedef struct _ReactOS_ShimData
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#define REACTOS_SHIMDATA_MAGIC 0xAC0DEDAB
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#define REACTOS_COMPATVERSION_UNINITIALIZED 0xfffffffe
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#define REACTOS_COMPATVERSION_IGNOREMANIFEST 0xffffffff
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#ifndef WINVER_VISTA
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#define WINVER_VISTA 0x0600
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#define WINVER_WIN7 0x0601
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#define WINVER_WIN8 0x0602
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#define WINVER_WIN81 0x0603
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#define WINVER_WIN10 0x0a00
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#endif
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// Returns values in the form of _WIN32_WINNT_VISTA, _WIN32_WINNT_WIN7 etc
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static
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inline
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DWORD RosGetProcessCompatVersion(VOID)
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{
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static DWORD g_CompatVersion = 0xffffffff;
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if (g_CompatVersion == 0xffffffff)
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static DWORD g_CompatVersion = REACTOS_COMPATVERSION_UNINITIALIZED;
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if (g_CompatVersion == REACTOS_COMPATVERSION_UNINITIALIZED)
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{
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ReactOS_ShimData* pShimData = (ReactOS_ShimData*)NtCurrentPeb()->pShimData;
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if (pShimData && pShimData->dwMagic == REACTOS_SHIMDATA_MAGIC &&
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@ -36,7 +31,7 @@ DWORD RosGetProcessCompatVersion(VOID)
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g_CompatVersion = pShimData->dwRosProcessCompatVersion;
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}
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}
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return g_CompatVersion != 0xffffffff ? g_CompatVersion : 0;
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return g_CompatVersion < REACTOS_COMPATVERSION_UNINITIALIZED ? g_CompatVersion : 0;
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}
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