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[APPHELP] Implement Sdb[Un]packAppCompatData and SdbGetAppCompatDataSize. CORE-13284

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svn path=/trunk/; revision=75135
This commit is contained in:
Mark Jansen 2017-06-19 16:37:47 +00:00
parent 3c1c6952b7
commit 939e841f4a
2 changed files with 92 additions and 2 deletions
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5
reactos/dll/appcompat/apphelp/apphelp.spec
View file

@ -51,7 +51,7 @@
@ stdcall SdbFreeFileAttributes(ptr)
@ stub SdbFreeFileInfo
@ stub SdbFreeFlagInfo
@ stub SdbGetAppCompatDataSize
@ stdcall SdbGetAppCompatDataSize(ptr)
@ stdcall SdbGetAppPatchDir(ptr wstr long)
@ stdcall SdbGetBinaryTagData(ptr long)
@ stdcall SdbGetDatabaseID(ptr ptr)
@ -103,7 +103,8 @@
@ stdcall SdbOpenDatabase(wstr long)
@ stub SdbOpenDbFromGuid
@ stub SdbOpenLocalDatabase
@ stub SdbPackAppCompatData
@ stdcall SdbPackAppCompatData(ptr ptr ptr ptr)
@ stdcall SdbUnpackAppCompatData(ptr wstr ptr ptr)
@ stub SdbQueryApphelpInformation
@ stub SdbQueryBlockUpgrade
@ stub SdbQueryContext

89
reactos/dll/appcompat/apphelp/hsdb.c
View file

@ -30,6 +30,19 @@
#define GPLK_USER 1
#define GPLK_MACHINE 2
typedef struct _ShimData
{
WCHAR szModule[MAX_PATH];
DWORD dwSize;
DWORD dwMagic;
SDBQUERYRESULT Query;
WCHAR szLayer[MAX_LAYER_LENGTH];
DWORD unknown; // 0x14c
} ShimData;
#define SHIMDATA_MAGIC 0xAC0DEDAB
static BOOL WINAPI SdbpFileExists(LPCWSTR path)
{
DWORD attr = GetFileAttributesW(path);
@ -554,3 +567,79 @@ BOOL WINAPI SdbTagIDToTagRef(HSDB hsdb, PDB pdb, TAGID tiWhich, TAGREF* ptrWhich
BOOL WINAPI SdbPackAppCompatData(HSDB hsdb, PSDBQUERYRESULT pQueryResult, PVOID* ppData, DWORD *pdwSize)
{
ShimData* pData;
HRESULT hr;
DWORD n;
if (!pQueryResult || !ppData || !pdwSize)
{
SHIM_WARN("Invalid params: %p, %p, %p\n", pQueryResult, ppData, pdwSize);
return FALSE;
}
pData = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ShimData));
if (!pData)
{
SHIM_WARN("Unable to allocate %d bytes\n", sizeof(ShimData));
return FALSE;
}
GetWindowsDirectoryW(pData->szModule, _countof(pData->szModule));
hr = StringCchCatW(pData->szModule, _countof(pData->szModule), L"\\system32\\apphelp.dll");
if (!SUCCEEDED(hr))
{
SHIM_ERR("Unable to append module name (0x%x)\n", hr);
RtlFreeHeap(RtlGetProcessHeap(), 0, pData);
return FALSE;
}
pData->dwSize = sizeof(*pData);
pData->dwMagic = SHIMDATA_MAGIC;
pData->Query = *pQueryResult;
pData->unknown = 0;
pData->szLayer[0] = UNICODE_NULL; /* TODO */
SHIM_INFO("\ndwFlags 0x%x\ndwMagic 0x%x\ntrExe 0x%x\ntrLayer 0x%x",
pData->Query.dwFlags, pData->dwMagic, pData->Query.atrExes[0], pData->Query.atrLayers[0]);
/* Database List */
/* 0x0 {GUID} NAME */
for (n = 0; n < pQueryResult->dwLayerCount; ++n)
{
SHIM_INFO("Layer 0x%x\n", pQueryResult->atrLayers[n]);
}
*ppData = pData;
*pdwSize = pData->dwSize;
return TRUE;
}
BOOL WINAPI SdbUnpackAppCompatData(HSDB hsdb, LPCWSTR pszImageName, PVOID pData, PSDBQUERYRESULT pQueryResult)
{
ShimData* pShimData = pData;
if (!pShimData || pShimData->dwMagic != SHIMDATA_MAGIC || pShimData->dwSize < sizeof(ShimData))
return FALSE;
if (!pQueryResult)
return FALSE;
/* szLayer? */
*pQueryResult = pShimData->Query;
return TRUE;
}
DWORD WINAPI SdbGetAppCompatDataSize(ShimData* pData)
{
if (!pData || pData->dwMagic != SHIMDATA_MAGIC)
return 0;
return pData->dwSize;
}