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[APPHELP] Propagate applied layers to child processes by setting the env var __COMPAT_LAYER. CORE-13284

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svn path=/trunk/; revision=75262
This commit is contained in:
Mark Jansen
2017-07-02 11:43:54 +00:00
parent 35bbb0a567
commit 14bd8eb6f1
1 changed files with 32 additions and 3 deletions
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reactos/dll/appcompat/apphelp/shimeng.c
+32 -3
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@@ -330,8 +330,7 @@ static DWORD SeiGetDWORD(PDB pdb, TAGID tag, TAG type)
}
VOID SeiAddShim(TAGREF trShimRef, PARRAY pShimRef)
static VOID SeiAddShim(TAGREF trShimRef, PARRAY pShimRef)
{
TAGREF* Data;
if (!ARRAY_EnsureSize(pShimRef, sizeof(TAGREF), 10))
@@ -342,8 +341,26 @@ VOID SeiAddShim(TAGREF trShimRef, PARRAY pShimRef)
pShimRef->Size++;
}
VOID SeiBuildShimRefArray(HSDB hsdb, SDBQUERYRESULT* pQuery, PARRAY pShimRef)
static VOID SeiSetLayerEnvVar(LPCWSTR wszLayer)
{
NTSTATUS Status;
UNICODE_STRING VarName = RTL_CONSTANT_STRING(L"__COMPAT_LAYER");
UNICODE_STRING Value;
RtlInitUnicodeString(&Value, wszLayer);
Status = RtlSetEnvironmentVariable(NULL, &VarName, &Value);
if (NT_SUCCESS(Status))
SHIMENG_INFO("Set env var %wZ=%wZ\n", &VarName, &Value);
else
SHIMENG_FAIL("Failed to set %wZ: 0x%x\n", &VarName, Status);
}
#define MAX_LAYER_LENGTH 256
static VOID SeiBuildShimRefArray(HSDB hsdb, SDBQUERYRESULT* pQuery, PARRAY pShimRef)
{
WCHAR wszLayerEnvVar[MAX_LAYER_LENGTH] = { 0 };
DWORD n;
for (n = 0; n < pQuery->dwExeCount; ++n)
@@ -382,7 +399,17 @@ VOID SeiBuildShimRefArray(HSDB hsdb, SDBQUERYRESULT* pQuery, PARRAY pShimRef)
LPCWSTR LayerName = SeiGetStringPtr(pdb, tag, TAG_NAME);
TAGID ShimRef = SdbFindFirstTag(pdb, tag, TAG_SHIM_REF);
if (LayerName)
{
HRESULT hr;
SeiDbgPrint(SEI_MSG, NULL, "ShimInfo(Layer(%S))\n", LayerName);
if (wszLayerEnvVar[0])
StringCchCatW(wszLayerEnvVar, _countof(wszLayerEnvVar), L" ");
hr = StringCchCatW(wszLayerEnvVar, _countof(wszLayerEnvVar), LayerName);
if (!SUCCEEDED(hr))
{
SHIMENG_FAIL("Unable to append %S\n", LayerName);
}
}
while (ShimRef != TAGID_NULL)
{
@@ -396,6 +423,8 @@ VOID SeiBuildShimRefArray(HSDB hsdb, SDBQUERYRESULT* pQuery, PARRAY pShimRef)
/* Handle FLAG_REF */
}
}
if (wszLayerEnvVar[0])
SeiSetLayerEnvVar(wszLayerEnvVar);
}