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windows-server-2003/base/win32/fusion/sxs/probedassemblyinformation.cpp

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/*++
Copyright (c) Microsoft Corporation
Module Name:
probedassemblyinformation.cpp
Abstract:
Class that contains all the relevant information about an assembly
that has been found in the assembly store.
Author:
Michael J. Grier (MGrier) 11-May-2000
Revision History:
--*/
#include "stdinc.h"
#include <windows.h>
#include "sxsp.h"
#include "probedassemblyinformation.h"
#include "fusionparser.h"
#define POLICY_FILE_EXTENSION L".policy"
bool IsNtDosPath(PCWSTR s)
{
return (s[0] == L'\\' && s[1] == L'?' && s[2] == L'?' && s[3] == '\\');
}
//
// before calls to this function, the caller has checked that the ext of this file is .dll or .exe
//
BOOL IsBinaryFileContainManifestInResource(PCWSTR ManifestPath, bool & rfManifestInResource)
{
FN_PROLOG_WIN32
bool fFailedToFindManifestInResource = FALSE;
rfManifestInResource = false;
// NTRAID#NTBUG9 - 573793 - jonwis - 2002/04/25 - Use impersonation here!
CSmartPtr<CResourceStream> ResourceStream;
IFW32FALSE_EXIT(ResourceStream.Win32Allocate(__FILE__, __LINE__));
IFW32FALSE_EXIT_UNLESS2(ResourceStream->Initialize(ManifestPath, MAKEINTRESOURCEW(RT_MANIFEST)),
LIST_2(ERROR_RESOURCE_TYPE_NOT_FOUND, ERROR_RESOURCE_DATA_NOT_FOUND),
fFailedToFindManifestInResource);
rfManifestInResource = !fFailedToFindManifestInResource;
FN_EPILOG
}
//
// ISSUE: jonwis 3/11/2002 - Should these reinitialize their member variables? Or at least error
// if they're being reinitialized?
//
BOOL
CProbedAssemblyInformation::Initialize(PCACTCTXGENCTX pGenCtx)
{
FN_PROLOG_WIN32
IFW32FALSE_EXIT(Base::Initialize());
this->m_pActCtxGenCtx = pGenCtx;
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::Initialize(
const CAssemblyReference &r,
PCACTCTXGENCTX pGenCtx
)
{
FN_PROLOG_WIN32
IFW32FALSE_EXIT(Base::Initialize(r));
m_pActCtxGenCtx = pGenCtx;
FN_EPILOG
}
// "copy initializer"
BOOL
CProbedAssemblyInformation::Initialize(
const CProbedAssemblyInformation &r
)
{
FN_PROLOG_WIN32
IFW32FALSE_EXIT(this->Assign(r));
FN_EPILOG
}
// "copy initializer"
BOOL
CProbedAssemblyInformation::InitializeTakeValue(
CProbedAssemblyInformation &r
)
{
FN_PROLOG_WIN32
IFW32FALSE_EXIT(this->TakeValue(r));
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::Assign(
const CProbedAssemblyInformation &r
)
{
FN_PROLOG_WIN32
IFW32FALSE_EXIT(Base::Assign(r));
// manifest
IFW32FALSE_EXIT(m_ManifestPathBuffer.Win32Assign(r.m_ManifestPathBuffer));
m_ManifestPathType = r.m_ManifestPathType;
m_ManifestLastWriteTime = r.m_ManifestLastWriteTime;
m_ManifestStream = r.m_ManifestStream;
m_ManifestFlags = r.m_ManifestFlags;
// policy
IFW32FALSE_EXIT(m_PolicyPathBuffer.Win32Assign(r.m_PolicyPathBuffer));
m_PolicyPathType = r.m_PolicyPathType;
m_PolicyLastWriteTime = r.m_PolicyLastWriteTime;
m_PolicyStream = r.m_PolicyStream;
m_PolicyFlags = r.m_PolicyFlags;
m_PolicySource = r.m_PolicySource;
m_pActCtxGenCtx = r.m_pActCtxGenCtx;
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::TakeValue(
CProbedAssemblyInformation &r
)
{
FN_PROLOG_WIN32
IFW32FALSE_EXIT(Base::TakeValue(r));
// manifest
IFW32FALSE_EXIT(m_ManifestPathBuffer.Win32Assign(r.m_ManifestPathBuffer));
m_ManifestPathType = r.m_ManifestPathType;
m_ManifestLastWriteTime = r.m_ManifestLastWriteTime;
m_ManifestStream = r.m_ManifestStream;
m_ManifestFlags = r.m_ManifestFlags;
// policy
IFW32FALSE_EXIT(m_PolicyPathBuffer.Win32Assign(r.m_PolicyPathBuffer));
m_PolicyPathType = r.m_PolicyPathType;
m_PolicyLastWriteTime = r.m_PolicyLastWriteTime;
m_PolicyStream = r.m_PolicyStream;
m_PolicyFlags = r.m_PolicyFlags;
m_PolicySource = r.m_PolicySource;
m_pActCtxGenCtx = r.m_pActCtxGenCtx;
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::SetPolicyPath(
ULONG PathType,
PCWSTR Path,
SIZE_T PathCch
)
{
FN_PROLOG_WIN32
PARAMETER_CHECK(PathType == ACTIVATION_CONTEXT_PATH_TYPE_WIN32_FILE);
INTERNAL_ERROR_CHECK(m_pAssemblyIdentity != NULL);
IFW32FALSE_EXIT(m_PolicyPathBuffer.Win32Assign(Path, PathCch));
m_PolicyPathType = PathType;
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::SetManifestPath(
ULONG PathType,
const CBaseStringBuffer &rbuff
)
{
FN_PROLOG_WIN32
PARAMETER_CHECK(PathType == ACTIVATION_CONTEXT_PATH_TYPE_WIN32_FILE);
INTERNAL_ERROR_CHECK(m_pAssemblyIdentity != NULL);
IFW32FALSE_EXIT(this->SetManifestPath(PathType, rbuff, rbuff.Cch()));
FN_EPILOG
}
//
// ISSUE: jonwis 3/11/2002 - Consider redoing the class hierarchy here and making all the things
// that take/return PCWSTR/SIZE_T or PCWSTR&/SIZE_T and have them actually use stringbuffers
// properly. It'd be cheap/free, and you'd shrink stack sizes as well as (potentially)
// speeding up assignments if/when we ever do things like combining string buffers under
// the hood.
//
BOOL
CProbedAssemblyInformation::SetManifestPath(
ULONG PathType,
PCWSTR path,
SIZE_T path_t
)
{
FN_PROLOG_WIN32
PARAMETER_CHECK(PathType == ACTIVATION_CONTEXT_PATH_TYPE_WIN32_FILE);
INTERNAL_ERROR_CHECK(m_pAssemblyIdentity != NULL);
IFW32FALSE_EXIT(m_ManifestPathBuffer.Win32Assign(path, path_t));
m_ManifestPathType = PathType;
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::ProbeManifestExistence(
const CImpersonationData &ImpersonationData,
BOOL fIsPrivateAssembly, // [in]
bool &rfManifestExistsOut, // [out]
bool &rfPrivateAssemblyManifestInResource // [out]
) const
{
FN_PROLOG_WIN32
WIN32_FILE_ATTRIBUTE_DATA wfad;
CImpersonate impersonate(ImpersonationData);
bool ManifestExistsTemp = false; // used to hold eventual value to pass out
bool fPrivateAssemblyManifestInResourceTemp = false;
bool fNotFound = false;
rfManifestExistsOut = false;
rfPrivateAssemblyManifestInResource = false;
INTERNAL_ERROR_CHECK(m_pAssemblyIdentity != NULL);
//
// if we have a stream that implements Stat, use that
// also, if we have a nonzero time and the stream doesn't implement Stat,
// just stick with the nonzero time we already have
//
if (m_ManifestStream != NULL)
{
ManifestExistsTemp = true;
}
else
{
PCWSTR ManifestPath = m_ManifestPathBuffer;
PARAMETER_CHECK(!IsNtDosPath(ManifestPath));
IFW32FALSE_EXIT(impersonate.Impersonate());
IFW32FALSE_EXIT_UNLESS2(
::GetFileAttributesExW(m_ManifestPathBuffer, GetFileExInfoStandard, &wfad),
LIST_2(ERROR_FILE_NOT_FOUND, ERROR_PATH_NOT_FOUND),
fNotFound);
if (!fNotFound)
{
ManifestExistsTemp = true;
if (fIsPrivateAssembly)
{
//
// check the probed private assembly filename is a binary file(.dll or .mui),
// if so, open the dll and check whether it has manifest resource inside
//
// ISSUE: jonwis 3/11/2002 - Consider using sbFileExtension.Win32Equals here
// instead, as it will do a "better thing" going forward.
//
CSmallStringBuffer sbFileExtension;
IFW32FALSE_EXIT(m_ManifestPathBuffer.Win32GetPathExtension(sbFileExtension));
if (::FusionpEqualStrings(
sbFileExtension, sbFileExtension.Cch(),
L"DLL", NUMBER_OF(L"DLL") -1,
TRUE // case-insensitive
) ||
::FusionpEqualStrings( // this depends on our private-assembly probing alg, otherwise, it is not enough to check "mui" ,we need check "mui.dll", xiaoyuw@11/22/2000
sbFileExtension, sbFileExtension.Cch(),
L"MUI", NUMBER_OF(L"MUI") -1,
TRUE // case-insensitive
))
{
//
// check the resource of this binary
//
IFW32FALSE_EXIT(IsBinaryFileContainManifestInResource(m_ManifestPathBuffer, fPrivateAssemblyManifestInResourceTemp));
ManifestExistsTemp = fPrivateAssemblyManifestInResourceTemp;
}
}
}
}
rfManifestExistsOut = ManifestExistsTemp;
rfPrivateAssemblyManifestInResource = fPrivateAssemblyManifestInResourceTemp;
IFW32FALSE_EXIT(impersonate.Unimpersonate());
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::SetManifestLastWriteTime(
const CImpersonationData &ImpersonationData,
BOOL fDuringBindingAndProbingPrivateManifest)
{
FN_PROLOG_WIN32
WIN32_FILE_ATTRIBUTE_DATA wfad;
CImpersonate impersonate(ImpersonationData);
INTERNAL_ERROR_CHECK(m_pAssemblyIdentity != NULL);
PARAMETER_CHECK(!IsNtDosPath(m_ManifestPathBuffer));
//
// if we have a stream that implements Stat, use that
// also, if we have a nonzero time and the stream doesn't implement Stat,
// just stick with the nonzero time we already have
//
if (m_ManifestStream != NULL)
{
STATSTG stat;
HRESULT hr;
hr = m_ManifestStream->Stat(&stat, STATFLAG_NONAME);
if (hr == E_NOTIMPL && m_ManifestLastWriteTime != 0)
{
FN_SUCCESSFUL_EXIT();
}
if (hr != E_NOTIMPL)
{
IFCOMFAILED_EXIT(hr);
m_ManifestLastWriteTime = stat.mtime;
FN_SUCCESSFUL_EXIT();
}
}
IFW32FALSE_EXIT(impersonate.Impersonate());
PARAMETER_CHECK(!IsNtDosPath(m_ManifestPathBuffer));
if (fDuringBindingAndProbingPrivateManifest)
{
//check whether there is a reparse point cross the path
BOOL CrossesReparsePoint = FALSE;
IFW32FALSE_EXIT(
::SxspDoesPathCrossReparsePoint(
m_pActCtxGenCtx ? static_cast<PCWSTR>(m_pActCtxGenCtx->m_ApplicationDirectoryBuffer) : NULL,
m_pActCtxGenCtx ? m_pActCtxGenCtx->m_ApplicationDirectoryBuffer.Cch() : 0,
m_ManifestPathBuffer,
m_ManifestPathBuffer.Cch(),
CrossesReparsePoint));
if (CrossesReparsePoint) // report error instead of ignore and continue
{
ORIGINATE_WIN32_FAILURE_AND_EXIT(CProbedAssemblyInformation::SetManifestLastWriteTime, ERROR_SXS_PRIVATE_MANIFEST_CROSS_PATH_WITH_REPARSE_POINT);
}
}
// BUGBUGBUG!
//
// ISSUE: jonwis 3/11/2002 - I think the logic for guarding against reparse points should be done
// in all cases, not just when we're probing for private manifests. What if someone does
// a dastardly thing and makes WinSxS a hard link to somewhere else in the tree? We'll spin
// forever trying to access it (if the object is gone) or otherwise do something bad to
// the user. I'm pretty sure the 'does path cross reparse point' logic runs all the way
// through to to the end, so maybe we should use it instead.
//
IFW32FALSE_ORIGINATE_AND_EXIT(::GetFileAttributesExW(m_ManifestPathBuffer, GetFileExInfoStandard, &wfad));
if( wfad.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
{
ORIGINATE_WIN32_FAILURE_AND_EXIT(CProbedAssemblyInformation::SetManifestLastWriteTime, ERROR_SXS_PRIVATE_MANIFEST_CROSS_PATH_WITH_REPARSE_POINT);
}
m_ManifestLastWriteTime = wfad.ftLastWriteTime;
IFW32FALSE_EXIT(impersonate.Unimpersonate());
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::ProbeAssembly(
DWORD dwFlags,
PACTCTXGENCTX pActCtxGenCtx,
LanguageProbeType lpt,
bool &rfFound
)
{
FN_PROLOG_WIN32
PCWSTR Slash = 0;
ULONG index = 0;
BOOL fPrivateAssembly = false;
bool fManifestExists = false;
bool fDone = false;
bool fAppPolicyApplied = false;
bool fPublisherPolicyApplied = false;
bool fPolicyApplied = false;
ULONG ApplicationDirectoryPathType;
DWORD dwGenerateManifestPathFlags = 0;
bool fPrivateAssemblyManifestInResource = false;
PROBING_ATTRIBUTE_CACHE pac = { 0 };
rfFound = false;
bool fAppRunningInSafeMode = false;
bool fComponentRunningInSafeMode = false;
PARAMETER_CHECK(pActCtxGenCtx != NULL);
PARAMETER_CHECK((dwFlags & ~(ProbeAssembly_SkipPrivateAssemblies)) == 0);
//
// Policy from the win32 gac -always- wins over the NDP gac, period.
//
IFW32FALSE_EXIT(this->LookForAppPolicy(pActCtxGenCtx, fAppPolicyApplied, fAppRunningInSafeMode, fComponentRunningInSafeMode));
#if DBG
{
CStringBuffer sbTextualIdentity;
IFW32FALSE_EXIT(SxspGenerateTextualIdentity(
0,
m_pAssemblyIdentity,
sbTextualIdentity));
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_SAFEMODE,
"SXS.DLL: the current App is %s running in SafeMode, for assembly, %S, there is %s policy applied\n",
fAppRunningInSafeMode? "truely" : "not",
static_cast<PCWSTR>(sbTextualIdentity),
fAppPolicyApplied? "truly" : "no");
}
#endif
//
// if not found in app config or found but app is running in non-safemode, continue
// searching policy from winsxs and NDP policy
//
if (!fAppRunningInSafeMode && !fComponentRunningInSafeMode)
{
IFW32FALSE_EXIT(this->LookForSxsWin32Policy(pActCtxGenCtx, fAppPolicyApplied, fPublisherPolicyApplied));
if (!fPublisherPolicyApplied)
{
IFW32FALSE_EXIT(this->LookForNDPWin32Policy(pActCtxGenCtx, fPublisherPolicyApplied));
}
}
fPolicyApplied = (fAppPolicyApplied || fPublisherPolicyApplied);
if (pActCtxGenCtx->m_ManifestOperation == MANIFEST_OPERATION_INSTALL)
dwGenerateManifestPathFlags |= SXS_GENERATE_MANIFEST_PATH_FOR_PROBING_NO_APPLICATION_ROOT_PATH_REQUIRED;
if (dwFlags & ProbeAssembly_SkipPrivateAssemblies)
dwGenerateManifestPathFlags |= SXS_GENERATE_MANIFEST_PATH_FOR_PROBING_SKIP_PRIVATE_ASSEMBLIES;
ApplicationDirectoryPathType = pActCtxGenCtx->m_ApplicationDirectoryPathType;
if ((lpt != eExplicitBind) && (lpt != eLanguageNeutral))
{
if (!pActCtxGenCtx->m_ApplicationDirectoryHasBeenProbedForLanguageSubdirs)
{
SIZE_T cch = 0;
CSmallStringBuffer buffTemp;
IFW32FALSE_EXIT(buffTemp.Win32Assign(pActCtxGenCtx->m_ApplicationDirectoryBuffer));
cch = buffTemp.Cch();
// Ok, let's see what's there.
IFW32FALSE_EXIT(this->ProbeLanguageDir(buffTemp, pActCtxGenCtx->m_SpecificLanguage, pActCtxGenCtx->m_ApplicationDirectoryHasSpecificLanguageSubdir));
buffTemp.Left(cch);
IFW32FALSE_EXIT(this->ProbeLanguageDir(buffTemp, pActCtxGenCtx->m_GenericLanguage, pActCtxGenCtx->m_ApplicationDirectoryHasGenericLanguageSubdir));
buffTemp.Left(cch);
IFW32FALSE_EXIT(this->ProbeLanguageDir(buffTemp, pActCtxGenCtx->m_SpecificSystemLanguage, pActCtxGenCtx->m_ApplicationDirectoryHasSpecificSystemLanguageSubdir));
buffTemp.Left(cch);
IFW32FALSE_EXIT(this->ProbeLanguageDir(buffTemp, pActCtxGenCtx->m_GenericSystemLanguage, pActCtxGenCtx->m_ApplicationDirectoryHasGenericSystemLanguageSubdir));
pActCtxGenCtx->m_ApplicationDirectoryHasBeenProbedForLanguageSubdirs = true;
}
switch (lpt)
{
case eSpecificLanguage:
if (!pActCtxGenCtx->m_ApplicationDirectoryHasSpecificLanguageSubdir)
dwGenerateManifestPathFlags |= SXS_GENERATE_MANIFEST_PATH_FOR_PROBING_SKIP_LANGUAGE_SUBDIRS;
break;
case eGenericLanguage:
if (!pActCtxGenCtx->m_ApplicationDirectoryHasGenericLanguageSubdir)
dwGenerateManifestPathFlags |= SXS_GENERATE_MANIFEST_PATH_FOR_PROBING_SKIP_LANGUAGE_SUBDIRS;
break;
case eSpecificSystemLanguage:
if (!pActCtxGenCtx->m_ApplicationDirectoryHasSpecificSystemLanguageSubdir)
dwGenerateManifestPathFlags |= SXS_GENERATE_MANIFEST_PATH_FOR_PROBING_SKIP_LANGUAGE_SUBDIRS;
break;
case eGenericSystemLanguage:
if (!pActCtxGenCtx->m_ApplicationDirectoryHasGenericSystemLanguageSubdir)
dwGenerateManifestPathFlags |= SXS_GENERATE_MANIFEST_PATH_FOR_PROBING_SKIP_LANGUAGE_SUBDIRS;
break;
}
}
for (index=0; !fDone; index++)
{
IFW32FALSE_EXIT(
::SxspGenerateManifestPathForProbing(
index,
dwGenerateManifestPathFlags,
pActCtxGenCtx->m_AssemblyRootDirectoryBuffer,
pActCtxGenCtx->m_AssemblyRootDirectoryBuffer.Cch(),
ApplicationDirectoryPathType,
pActCtxGenCtx->m_ApplicationDirectoryBuffer,
pActCtxGenCtx->m_ApplicationDirectoryBuffer.Cch(),
m_pAssemblyIdentity,
&pac,
m_ManifestPathBuffer,
&fPrivateAssembly,
fDone));
// The SxspGenerateManifestPathForProbing() call might not have generated a candidate; only probe for the manifest
// if it makes sense.
if (m_ManifestPathBuffer.Cch() != 0)
{
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_PROBING,
"SXS.DLL: Probing for manifest: %S\n", static_cast<PCWSTR>(m_ManifestPathBuffer));
/*
verify minimal access, and get last write time in
case caller asked for it
*/
IFW32FALSE_EXIT(this->ProbeManifestExistence(pActCtxGenCtx->m_ImpersonationData, fPrivateAssembly, fManifestExists, fPrivateAssemblyManifestInResource));
if (fManifestExists)
{
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_PROBING,
"SXS.DLL: Probed manifest: %S is FOUND !!!\n", static_cast<PCWSTR>(m_ManifestPathBuffer));
break;
}
}
}
if (fManifestExists)
{
m_ManifestPathType = ACTIVATION_CONTEXT_PATH_TYPE_WIN32_FILE;
m_ManifestFlags = ASSEMBLY_MANIFEST_FILETYPE_AUTO_DETECT;
IFW32FALSE_EXIT(this->SetManifestLastWriteTime(pActCtxGenCtx->m_ImpersonationData, fPrivateAssembly));
INTERNAL_ERROR_CHECK(m_ManifestPathBuffer.ContainsCharacter(L'\\'));
if (fPrivateAssemblyManifestInResource) // only private manifest has such problem : manifst type could be FILE or RESOURCE
m_ManifestFlags = ASSEMBLY_MANIFEST_FILETYPE_RESOURCE;
if (fPrivateAssembly)
{ // manifest file is found from private dirs
m_ManifestFlags |= ASSEMBLY_PRIVATE_MANIFEST;
}
}
rfFound = fManifestExists;
FN_EPILOG
}
#define GENERATE_NDP_PATH_NO_ROOT (0x00000001)
#define GENERATE_NDP_PATH_WILDCARD_VERSION (0x00000002)
#define GENERATE_NDP_PATH_PATH_ONLY (0x00000004)
#define GENERATE_NDP_PATH_IS_POLICY (0x00000008)
#define GENERATE_NDP_PATH_ASSEMBLY_NAME_ONLY (0x00000010)
BOOL
SxspGenerateNDPGacPath(
ULONG ulFlags,
PCASSEMBLY_IDENTITY pAsmIdent,
CBaseStringBuffer *psbAssemblyRoot,
CBaseStringBuffer &rsbOutput
)
{
FN_PROLOG_WIN32
typedef struct _STRING_AND_LENGTH {
_STRING_AND_LENGTH() : pcwsz(NULL), cch(0) { }
~_STRING_AND_LENGTH() { }
PCWSTR pcwsz;
SIZE_T cch;
} STRING_AND_LENGTH;
CSmallStringBuffer GlobalGacPath;
SIZE_T cchRequired = 0;
STRING_AND_LENGTH Name;
STRING_AND_LENGTH Version;
STRING_AND_LENGTH Language;
STRING_AND_LENGTH PublicKeyToken;
STRING_AND_LENGTH AssemblyRoot;
bool fRootNeedsSlash = false;
rsbOutput.Clear();
if ((psbAssemblyRoot == NULL) && ((ulFlags & GENERATE_NDP_PATH_NO_ROOT) == 0))
{
IFW32FALSE_EXIT(SxspGetNDPGacRootDirectory(GlobalGacPath));
psbAssemblyRoot = &GlobalGacPath;
}
if (psbAssemblyRoot)
{
AssemblyRoot.pcwsz = *psbAssemblyRoot;
AssemblyRoot.cch = psbAssemblyRoot->Cch();
fRootNeedsSlash = !psbAssemblyRoot->HasTrailingPathSeparator();
}
else
{
AssemblyRoot.pcwsz = NULL;
AssemblyRoot.cch = 0;
}
IFW32FALSE_EXIT(SxspGetAssemblyIdentityAttributeValue(
0,
pAsmIdent,
&s_IdentityAttribute_name,
&Name.pcwsz, &Name.cch));
if ((ulFlags & GENERATE_NDP_PATH_WILDCARD_VERSION) == 0)
{
IFW32FALSE_EXIT(SxspGetAssemblyIdentityAttributeValue(
SXSP_GET_ASSEMBLY_IDENTITY_ATTRIBUTE_VALUE_FLAG_NOT_FOUND_RETURNS_NULL,
pAsmIdent,
&s_IdentityAttribute_version,
&Version.pcwsz, &Version.cch));
}
else
{
Version.pcwsz = L"*";
Version.cch = 1;
}
//
// Allow for international language - in the NDP, this is the "blank" value.
//
IFW32FALSE_EXIT(SxspGetAssemblyIdentityAttributeValue(
SXSP_GET_ASSEMBLY_IDENTITY_ATTRIBUTE_VALUE_FLAG_NOT_FOUND_RETURNS_NULL,
pAsmIdent,
&s_IdentityAttribute_language,
&Language.pcwsz, &Language.cch));
//
// If we got back "international", use the blank string instead.
//
if (::FusionpEqualStringsI(Language.pcwsz, Language.cch, SXS_ASSEMBLY_IDENTITY_STD_ATTRIBUTE_LANGUAGE_MISSING_VALUE, NUMBER_OF(SXS_ASSEMBLY_IDENTITY_STD_ATTRIBUTE_LANGUAGE_MISSING_VALUE) - 1))
{
Language.pcwsz = 0;
Language.cch = 0;
}
IFW32FALSE_EXIT(SxspGetAssemblyIdentityAttributeValue(
SXSP_GET_ASSEMBLY_IDENTITY_ATTRIBUTE_VALUE_FLAG_NOT_FOUND_RETURNS_NULL,
pAsmIdent,
&s_IdentityAttribute_publicKeyToken,
&PublicKeyToken.pcwsz, &PublicKeyToken.cch));
if (PublicKeyToken.pcwsz == NULL)
{
PublicKeyToken.pcwsz = SXS_ASSEMBLY_IDENTITY_STD_ATTRIBUTE_PUBLICKEY_MISSING_VALUE;
PublicKeyToken.cch = NUMBER_OF(SXS_ASSEMBLY_IDENTITY_STD_ATTRIBUTE_PUBLICKEY_MISSING_VALUE) - 1;
}
//
// Calcuate the required length:
// %gacpath%\{name}\{version}_{language}_{pkt}\{name}.dll
//
cchRequired = (AssemblyRoot.cch + 1) + (Name.cch + 1 + Version.cch + 1 + PublicKeyToken.cch);
//
// They want the whole path to the DLL
//
if ((ulFlags & GENERATE_NDP_PATH_PATH_ONLY) == 0)
{
cchRequired += (Name.cch + 1 + (NUMBER_OF(ASSEMBLY_MANIFEST_FILE_NAME_SUFFIX_DLL) - 1));
}
//
// Build the string
//
IFW32FALSE_EXIT(rsbOutput.Win32ResizeBuffer(cchRequired, eDoNotPreserveBufferContents));
//
// If they want the full path, that's 12 components. Otherwise, just 9.
//
IFW32FALSE_EXIT(rsbOutput.Win32AssignW(
((ulFlags & GENERATE_NDP_PATH_PATH_ONLY) ? ((ulFlags & GENERATE_NDP_PATH_ASSEMBLY_NAME_ONLY) ? 3 : 9) : 12),
AssemblyRoot.pcwsz, AssemblyRoot.cch, // Root path
L"\\", (fRootNeedsSlash ? 1 : 0), // Slash
Name.pcwsz, Name.cch,
L"\\", 1,
Version.pcwsz, Version.cch,
L"_", 1,
Language.pcwsz, Language.cch,
L"_", 1,
PublicKeyToken.pcwsz, PublicKeyToken.cch,
L"\\", 1,
Name.pcwsz, Name.cch,
ASSEMBLY_MANIFEST_FILE_NAME_SUFFIX_DLL, NUMBER_OF(ASSEMBLY_MANIFEST_FILE_NAME_SUFFIX_DLL)-1));
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::LookForNDPWin32Policy(
PACTCTXGENCTX pActCtxGenCtx,
bool &rfPolicyApplied
)
/*++
Purpose:
1. Get the location of the GAC
2. Create a path of the form %gac%\Policy.Vmajor.Vminor.AssemblyName\*_{language}_{pubkeytoken}
3. Find all directories that match the wildcard, find the version with the highest value
4. Find %thatpath%\Policy.VMajor.VMinor.AssemblyName.Dll
5. Look for a win32 policy manifest in resource ID 1, type RT_MANIFEST
--*/
{
FN_PROLOG_WIN32
CPolicyStatement *pFoundPolicyStatement = NULL;
CSmallStringBuffer Prober;
CStringBuffer &EncodedPolicyIdentity = pActCtxGenCtx->CProbedAssemblyInformationLookForPolicy.EncodedPolicyIdentity;
CFindFile FindFiles;
ASSEMBLY_VERSION HighestAssemblyVersion = {0};
WIN32_FIND_DATAW FindData;
bool fNotFound = false;
bool fPolicyFound = false;
bool fFound = false;
BOOL fCrossesReparse = FALSE;
CSmartPtrWithNamedDestructor<ASSEMBLY_IDENTITY, &::SxsDestroyAssemblyIdentity> PolicyIdentity;
CProbedAssemblyInformation ProbedAssembly;
rfPolicyApplied = false;
//
// Generate the textual and non-textual policy identity from the actual identity. This
// does the thing twice, but because they're different identities (one to probe for
// app policy and one for actual policy to probe) that's ok. Ordering is important -
// we don't really want the first (policy.1.0.foo) encoded identity, we want the second
// encoding (Policy.foo)
//
IFW32FALSE_EXIT(SxspMapAssemblyIdentityToPolicyIdentity(0, m_pAssemblyIdentity, &PolicyIdentity));
//
// EncodedPolicyIdentity must be calculated during LookForAppPolicy and updated during LookForSxsWin32Policy
//
ASSERT(!EncodedPolicyIdentity.IsEmpty());
//
// See if the base path to the pattern-matcher contains reparse points
//
IFW32FALSE_EXIT(SxspGenerateNDPGacPath(
GENERATE_NDP_PATH_ASSEMBLY_NAME_ONLY,
PolicyIdentity,
NULL,
Prober));
//
// See if the generated path actually exists first.
//
IFW32FALSE_EXIT(SxspDoesFileExist(0, Prober, fFound));
if (!fFound)
{
#if DBG
FusionpDbgPrintEx(
FUSION_DBG_LEVEL_PROBING,
"Sxs.dll: %s could not locate path %ls, bailing on probe.\n",
__FUNCTION__,
static_cast<PCWSTR>(Prober));
#endif
FN_SUCCESSFUL_EXIT();
}
IFW32FALSE_EXIT_UNLESS2(
SxspDoesPathCrossReparsePoint(NULL, 0, Prober, Prober.Cch(), fCrossesReparse),
LIST_4(ERROR_FILE_NOT_FOUND, ERROR_PATH_NOT_FOUND, ERROR_BAD_NETPATH, ERROR_BAD_NET_NAME),
fNotFound
);
if (fCrossesReparse || !fNotFound)
{
#if DBG
FusionpDbgPrintEx(
FUSION_DBG_LEVEL_PROBING,
"Sxs.dll: %s path %ls crosses a reparse point, can't use it, bailing out.\n",
__FUNCTION__,
static_cast<PCWSTR>(Prober));
#endif
FN_SUCCESSFUL_EXIT();
}
//
// Otherwise, we have to go look in the GAC for a policy for this assembly
//
IFW32FALSE_EXIT(SxspGenerateNDPGacPath(
GENERATE_NDP_PATH_WILDCARD_VERSION | GENERATE_NDP_PATH_PATH_ONLY,
PolicyIdentity,
NULL,
Prober));
//
// Now let's find all the directories in the GAC that match this wildcard
//
IFW32FALSE_EXIT_UNLESS2(
FindFiles.Win32FindFirstFile(Prober, &FindData),
LIST_2(ERROR_PATH_NOT_FOUND, ERROR_FILE_NOT_FOUND),
fNotFound);
if (!fNotFound) do
{
ASSEMBLY_VERSION ThisVersion;
bool fValid = false;
//
// Skip non-directories and dot/dotdot
//
if ((FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
continue;
else if (FusionpIsDotOrDotDot(FindData.cFileName))
continue;
//
// Neat, found a match to that pattern. Tease apart the "version" part of the directory - should
// be everything up to the first underscore in the path
//
PCWSTR pcwszFirstUnderscore = StringFindChar(FindData.cFileName, L'_');
//
// Oops, that wasn't a valid path, we'll ignore it quietly
//
if (pcwszFirstUnderscore == NULL)
continue;
IFW32FALSE_EXIT(CFusionParser::ParseVersion(
ThisVersion,
FindData.cFileName,
pcwszFirstUnderscore - FindData.cFileName,
fValid));
//
// Sneaky buggers, putting something that's not a version up front.
//
if (!fValid)
continue;
//
// Spiffy, we found something that's a version number - is it what we're looking
// for?
//
if (!fPolicyFound || (ThisVersion > HighestAssemblyVersion))
{
HighestAssemblyVersion = ThisVersion;
fPolicyFound = true;
}
} while (::FindNextFileW(FindFiles, &FindData));
//
// Make sure that we quit out nicely here
//
if (!fNotFound && (::FusionpGetLastWin32Error() != ERROR_NO_MORE_FILES))
{
ORIGINATE_WIN32_FAILURE_AND_EXIT(FindNextFile, ::FusionpGetLastWin32Error());
}
//
// Otherwise, let's parse the statement we found, if there was one.
//
if (fPolicyFound)
{
//
// Ensure we have space for 65535.65535.65535.65535
//
IFW32FALSE_EXIT(Prober.Win32ResizeBuffer((5 * 4) + 3, eDoNotPreserveBufferContents));
IFW32FALSE_EXIT(Prober.Win32Format(L"%u.%u.%u.%u",
HighestAssemblyVersion.Major,
HighestAssemblyVersion.Minor,
HighestAssemblyVersion.Revision,
HighestAssemblyVersion.Build));
//
// Ok, now we have the 'highest version' available for the policy. Let's go swizzle the
// policy identity and re-generate the path with that new version
//
IFW32FALSE_EXIT(ProbedAssembly.Initialize(pActCtxGenCtx));
IFW32FALSE_EXIT(SxspSetAssemblyIdentityAttributeValue(
SXSP_SET_ASSEMBLY_IDENTITY_ATTRIBUTE_VALUE_FLAG_OVERWRITE_EXISTING,
PolicyIdentity,
&s_IdentityAttribute_version,
static_cast<PCWSTR>(Prober),
Prober.Cch()));
#if DBG
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_POLICY,
"%s(%d) : Should find this policy identity in the GAC\n",
__FILE__,
__LINE__);
SxspDbgPrintAssemblyIdentity(FUSION_DBG_LEVEL_POLICY, PolicyIdentity);
#endif
//
// Now regenerate the path, set it into the actual prober
//
IFW32FALSE_EXIT(SxspGenerateNDPGacPath(0, PolicyIdentity, NULL, Prober));
//
// Caution! If this path crosses a reparse point, we could really ham up the
// system while it tries to get to the file, or we could have a security hole
// where someone has created a reparse point to somewhere untrusted in the
// filesystem. Disallow this here.
//
IFW32FALSE_EXIT(SxspDoesPathCrossReparsePoint(NULL, 0, Prober, Prober.Cch(), fCrossesReparse));
if (fCrossesReparse)
{
FN_SUCCESSFUL_EXIT();
}
IFW32FALSE_EXIT(ProbedAssembly.SetManifestPath(ACTIVATION_CONTEXT_PATH_TYPE_WIN32_FILE, Prober));
IFW32FALSE_EXIT(ProbedAssembly.SetProbedIdentity(PolicyIdentity));
IFW32FALSE_EXIT(SxspParseNdpGacComponentPolicy(0, pActCtxGenCtx, ProbedAssembly, pFoundPolicyStatement));
IFW32FALSE_EXIT(pFoundPolicyStatement->ApplyPolicy(m_pAssemblyIdentity, rfPolicyApplied));
IFW32FALSE_EXIT(pActCtxGenCtx->m_ComponentPolicyTable.Insert(EncodedPolicyIdentity, pFoundPolicyStatement));
}
// pActCtxGenCtx->m_ComponentPolicyTable owns pFoundPolicyStatement
pFoundPolicyStatement = NULL;
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::LookForAppPolicy(
PACTCTXGENCTX pActCtxGenCtx,
bool &rfPolicyApplied,
bool &fAppRunningInSafeMode,
bool &fComponentRunningInSafeMode
)
{
FN_PROLOG_WIN32
CStringBuffer &EncodedPolicyIdentity = pActCtxGenCtx->CProbedAssemblyInformationLookForPolicy.EncodedPolicyIdentity;
EncodedPolicyIdentity.Clear();
CSmartPtrWithNamedDestructor<ASSEMBLY_IDENTITY, &::SxsDestroyAssemblyIdentity> PolicyIdentity;
CPolicyStatement *pPolicyStatement = NULL;
PARAMETER_CHECK(pActCtxGenCtx != NULL);
fAppRunningInSafeMode = false;
rfPolicyApplied = false;
//
// Get the policy identity to probe for
//
IFW32FALSE_EXIT(::SxspMapAssemblyIdentityToPolicyIdentity(0, m_pAssemblyIdentity, &PolicyIdentity));
//
// Get the key that we should find in the app policy table
//
IFW32FALSE_EXIT(
::SxspGenerateTextuallyEncodedPolicyIdentityFromAssemblyIdentity(
SXSP_GENERATE_TEXTUALLY_ENCODED_POLICY_IDENTITY_FROM_ASSEMBLY_IDENTITY_FLAG_OMIT_ENTIRE_VERSION,
m_pAssemblyIdentity,
EncodedPolicyIdentity,
NULL));
IFW32FALSE_EXIT(pActCtxGenCtx->m_ApplicationPolicyTable.Find(EncodedPolicyIdentity, pPolicyStatement));
if (pPolicyStatement != NULL)
{
IFW32FALSE_EXIT(pPolicyStatement->ApplyPolicy(m_pAssemblyIdentity, rfPolicyApplied));
}
if (pActCtxGenCtx->m_fAppApplyPublisherPolicy == SXS_PUBLISHER_POLICY_APPLY_NO)
{
fAppRunningInSafeMode = true;
}else
{
if (rfPolicyApplied)
{
if (pPolicyStatement->m_fApplyPublisherPolicy == false)
{
//app is running in safemode, no further looking for publisher policy
fComponentRunningInSafeMode = true;
}
}
}
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::LookForSxsWin32Policy(
PACTCTXGENCTX pActCtxGenCtx,
bool fAppPolicyApplied,
bool &rfPolicyApplied
)
{
FN_PROLOG_WIN32
CStringBuffer &EncodedPolicyIdentity = pActCtxGenCtx->CProbedAssemblyInformationLookForPolicy.EncodedPolicyIdentity;
CFindFile hFind;
SIZE_T CandidatePolicyDirectoryCch = 0;
CPolicyStatement *pPolicyStatement = NULL;
bool fAnyPoliciesFound = false;
bool fAnyFilesFound = false;
CSmartPtrWithNamedDestructor<ASSEMBLY_IDENTITY, SxsDestroyAssemblyIdentity> PolicyIdentity;
BOOL fAreWeInOSSetupMode = FALSE;
rfPolicyApplied = false;
//
// app policy, foo.exe.config
//
PARAMETER_CHECK(pActCtxGenCtx != NULL);
//
// Get the policy identity to probe for
//
IFW32FALSE_EXIT(::SxspMapAssemblyIdentityToPolicyIdentity(0, m_pAssemblyIdentity, &PolicyIdentity));
if (fAppPolicyApplied)
{
//
// must to recalculate EncodedPolicyIdentity because app policy applied,
// otherwise, LookforAppPolicy has calculated this value
//
EncodedPolicyIdentity.Clear();
IFW32FALSE_EXIT(
::SxspGenerateTextuallyEncodedPolicyIdentityFromAssemblyIdentity(
SXSP_GENERATE_TEXTUALLY_ENCODED_POLICY_IDENTITY_FROM_ASSEMBLY_IDENTITY_FLAG_OMIT_ENTIRE_VERSION,
m_pAssemblyIdentity,
EncodedPolicyIdentity,
NULL));
}
//
// search winsxs policies
//
//
// We probe only in SetupPolicies if we're in setup.
// But not if we are in MiniSetup.
//
IFW32FALSE_EXIT(::FusionpAreWeInOSSetupMode(&fAreWeInOSSetupMode));
if (fAreWeInOSSetupMode)
{
BOOL fAreWeInMiniSetupMode = FALSE;
IFW32FALSE_EXIT(::FusionpAreWeInMiniSetupMode(&fAreWeInMiniSetupMode));
if (fAreWeInMiniSetupMode)
{
fAreWeInOSSetupMode = FALSE;
}
}
// See if there's a policy statement already available for this...
IFW32FALSE_EXIT(pActCtxGenCtx->m_ComponentPolicyTable.Find(EncodedPolicyIdentity, pPolicyStatement));
if (pPolicyStatement == NULL)
{
CStringBuffer &CandidatePolicyDirectory = pActCtxGenCtx->CProbedAssemblyInformationLookForPolicy.CandidatePolicyDirectory;
CandidatePolicyDirectory.Clear();
IFW32FALSE_EXIT(
::SxspGenerateSxsPath(
0,
fAreWeInOSSetupMode ? SXSP_GENERATE_SXS_PATH_PATHTYPE_SETUP_POLICY : SXSP_GENERATE_SXS_PATH_PATHTYPE_POLICY,
pActCtxGenCtx->m_AssemblyRootDirectoryBuffer,
pActCtxGenCtx->m_AssemblyRootDirectoryBuffer.Cch(),
PolicyIdentity,
NULL,
CandidatePolicyDirectory));
// Save the number of characters up through and including the slash so that
// we can repeatedly append and then call .Left() on the string buffer.
CandidatePolicyDirectoryCch = CandidatePolicyDirectory.Cch();
IFW32FALSE_EXIT(CandidatePolicyDirectory.Win32Append(L"*" POLICY_FILE_EXTENSION, 1 + (NUMBER_OF(POLICY_FILE_EXTENSION) - 1)));
{
WIN32_FIND_DATAW wfd;
CFindFile hFind;
// NTRAID#NTBUG9 - 531507 - jonwis - 2002/04/25 - Impersonate before findfirstfile
hFind = ::FindFirstFileW(CandidatePolicyDirectory, &wfd);
if (!hFind.IsValid())
{
const DWORD dwLastError = ::FusionpGetLastWin32Error();
if ((dwLastError != ERROR_PATH_NOT_FOUND) && (dwLastError != ERROR_FILE_NOT_FOUND))
{
ORIGINATE_WIN32_FAILURE_AND_EXIT(FindFirstFileW, dwLastError);
}
::FusionpSetLastWin32Error(ERROR_NO_MORE_FILES);
}
else
{
fAnyFilesFound = true;
}
ASSEMBLY_VERSION avHighestVersionFound = { 0, 0, 0, 0 };
if (hFind.IsValid())
{
for (;;)
{
// Skip any directories we find; this will skip "." and ".."
if ((wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
{
ASSEMBLY_VERSION avTemp;
bool fValid = false;
SIZE_T cchFileName = ::wcslen(wfd.cFileName);
if (cchFileName > NUMBER_OF(POLICY_FILE_EXTENSION))
{
IFW32FALSE_EXIT(
CFusionParser::ParseVersion(
avTemp,
wfd.cFileName,
cchFileName - (NUMBER_OF(POLICY_FILE_EXTENSION) - 1),
fValid));
// If there are randomly named files in the directory, we just skip them.
if (fValid)
{
if ((!fAnyPoliciesFound) ||
(avTemp > avHighestVersionFound))
{
fAnyPoliciesFound = true;
CandidatePolicyDirectory.Left(CandidatePolicyDirectoryCch);
IFW32FALSE_EXIT(CandidatePolicyDirectory.Win32Append(wfd.cFileName, cchFileName));
avHighestVersionFound = avTemp;
}
}
}
}
if (!::FindNextFileW(hFind, &wfd))
{
const DWORD dwLastError = ::FusionpGetLastWin32Error();
if (dwLastError != ERROR_NO_MORE_FILES)
{
TRACE_WIN32_FAILURE_ORIGINATION(FindNextFileW);
goto Exit;
}
IFW32FALSE_EXIT(hFind.Win32Close());
break;
}
}
}
}
if (fAnyFilesFound)
{
if (fAnyPoliciesFound)
{
CProbedAssemblyInformation PolicyAssemblyInformation;
IFW32FALSE_EXIT(PolicyAssemblyInformation.Initialize(pActCtxGenCtx));
IFW32FALSE_EXIT(PolicyAssemblyInformation.SetManifestPath(ACTIVATION_CONTEXT_PATH_TYPE_WIN32_FILE, CandidatePolicyDirectory));
// For one thing, let's set the version number...
IFW32FALSE_EXIT(
::SxspSetAssemblyIdentityAttributeValue(
SXSP_SET_ASSEMBLY_IDENTITY_ATTRIBUTE_VALUE_FLAG_OVERWRITE_EXISTING,
PolicyIdentity,
&s_IdentityAttribute_version,
static_cast<PCWSTR>(CandidatePolicyDirectory) + CandidatePolicyDirectoryCch,
CandidatePolicyDirectory.Cch() - CandidatePolicyDirectoryCch - (NUMBER_OF(POLICY_FILE_EXTENSION) - 1)));
IFW32FALSE_EXIT(PolicyAssemblyInformation.SetProbedIdentity(PolicyIdentity));
// We found one! Let's parse it, looking for a remapping of our identity.
IFW32FALSE_EXIT(
::SxspParseComponentPolicy(
0,
pActCtxGenCtx,
PolicyAssemblyInformation,
pPolicyStatement));
IFW32FALSE_EXIT(pActCtxGenCtx->m_ComponentPolicyTable.Insert(EncodedPolicyIdentity, pPolicyStatement, ERROR_SXS_DUPLICATE_ASSEMBLY_NAME));
}
}
}
// If there was a component policy statement, let's try it out!
if (pPolicyStatement != NULL)
IFW32FALSE_EXIT(pPolicyStatement->ApplyPolicy(m_pAssemblyIdentity, rfPolicyApplied));
IFW32FALSE_EXIT(hFind.Win32Close());
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::SetProbedIdentity(
PCASSEMBLY_IDENTITY AssemblyIdentity
)
{
FN_PROLOG_WIN32
PARAMETER_CHECK(AssemblyIdentity != NULL);
IFW32FALSE_EXIT(Base::SetAssemblyIdentity(AssemblyIdentity));
FN_EPILOG
}
BOOL
CProbedAssemblyInformation::ApplyPolicyDestination(
const CAssemblyReference &r,
SXS_POLICY_SOURCE s,
const GUID & g
)
{
FN_PROLOG_WIN32
PCASSEMBLY_IDENTITY OldIdentity = m_pAssemblyIdentity;
INTERNAL_ERROR_CHECK(this->IsInitialized());
INTERNAL_ERROR_CHECK(r.IsInitialized());
// Simply put, take anything in r that's specified and override our settings with it.
IFW32FALSE_EXIT(
::SxsDuplicateAssemblyIdentity(
0,
r.GetAssemblyIdentity(),
&m_pAssemblyIdentity));
m_PolicySource = s;
m_SystemPolicyGuid = g;
::SxsDestroyAssemblyIdentity(const_cast<PASSEMBLY_IDENTITY>(OldIdentity));
if (OldIdentity != NULL)
::SxsDestroyAssemblyIdentity(const_cast<PASSEMBLY_IDENTITY>(OldIdentity));
FN_EPILOG
}
//
// ISSUE: jonwis 3/11/2002 - This function should know about cleaning up its parameter,
// rather than assuming the caller will know about removing what it added. Seems
// like there's no explicit contract here in the interface, so it's not so bad.
// Just seems like either a) we should use our own stringbuffer and twiddle it
// or b) we should be the ones cleaning it up.
//
BOOL
CProbedAssemblyInformation::ProbeLanguageDir(
CBaseStringBuffer &rbuffApplicationDirectory,
const CBaseStringBuffer &rbuffLanguage,
bool &rfFound
)
{
FN_PROLOG_WIN32
DWORD dwFileAttributes = 0;
rfFound = false;
IFW32FALSE_EXIT(rbuffApplicationDirectory.Win32Append(rbuffLanguage));
//
// ISSUE: jonwis 3/11/2002 - Ick. Use SxspGetFileAttributes instead, don't compare against -1.
//
// NTRAID#NTBUG9 - 531507 - jonwis - 2002/04/25 - Use existing function to do this
// NTRAID#NTBUG9 - 531507 - jonwis - 2002/04/25 - Use impersonation when making this determination
dwFileAttributes = ::GetFileAttributesW(rbuffApplicationDirectory);
if (dwFileAttributes == ((DWORD) -1))
{
const DWORD dwLastError = ::FusionpGetLastWin32Error();
if (dwLastError != ERROR_FILE_NOT_FOUND)
ORIGINATE_WIN32_FAILURE_AND_EXIT(GetFileAttributes, dwLastError);
}
else
{
if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
rfFound = true;
}
FN_EPILOG
}