Leaked source code of windows server 2003
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/*++
Copyright (c) Microsoft Corporation
Module Name:
sxsasmitem.cpp
Abstract:
CAssemblyCacheItem implementation for installation
Author:
Xiaoyu Wu (xiaoyuw) April 2000
Revision History:
xiaoyuw 10/26/2000 revise during beta2 code review period
--*/
#include "stdinc.h"
#include "sxsp.h"
#include "fusionbuffer.h"
#include "fusion.h"
#include "sxsasmitem.h"
#include "cassemblycacheitemstream.h"
#include "util.h"
#include "fusiontrace.h"
#include "sxsapi.h"
CAssemblyCacheItem::CAssemblyCacheItem() : m_cRef(0),
m_pRunOnceCookie(NULL), m_pInstallCookie(NULL),
m_fCommit(FALSE), m_fManifest(FALSE)
{
}
CAssemblyCacheItem::~CAssemblyCacheItem()
{
CSxsPreserveLastError ple;
ASSERT_NTC(m_cRef == 0);
if (m_pRunOnceCookie)
{
if (!::SxspCancelRunOnceDeleteDirectory(m_pRunOnceCookie))
{
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_ERROR,
"SXS.DLL: SxspCancelRunOnceDeleteDirectory returns FALSE, file a BUG\n");
}
}
if (!m_strTempDir.IsEmpty())
{
if (!::SxspDeleteDirectory(m_strTempDir))
{
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_ERROR,
"SXS.DLL: SxspDeleteDirectory returns FALSE, file a BUG\n");
}
}
ple.Restore();
}
HRESULT
CAssemblyCacheItem::Initialize()
{
HRESULT hr = NOERROR;
FN_TRACE_HR(hr);
//create temporary directory for this assembly
IFW32FALSE_EXIT(::SxspCreateWinSxsTempDirectory(m_strTempDir, NULL, &m_strUidBuf, NULL));
IFW32FALSE_EXIT(::SxspCreateRunOnceDeleteDirectory(m_strTempDir, &m_strUidBuf, (PVOID *)&m_pRunOnceCookie));
hr = NOERROR;
Exit:
return hr ;
}
// ---------------------------------------------------------------------------
// CAssemblyCacheItem::CreateStream
// ---------------------------------------------------------------------------
STDMETHODIMP CAssemblyCacheItem::CreateStream(
/* [in] */ DWORD dwFlags,
/* [in] */ LPCWSTR pszName,
/* [in] */ DWORD dwFormat,
/* [in] */ DWORD dwFormatFlags,
/* [out] */ IStream** ppStream,
/* [in, optional] */ ULARGE_INTEGER *puliMaxSize) // ????? in or OUT ?????
{
HRESULT hr = NOERROR;
FN_TRACE_HR(hr);
CStringBuffer FullPathFileNameBuf;
CStringBuffer FullPathSubDirBuf;
CSmartPtr<CAssemblyCacheItemStream> pStream;
const static WCHAR szTemp[] = L"..";
// The puliMaxSize is intended to be a hint for preallocation of the temporary storage for the stream. We just don't
// use it.
UNUSED(puliMaxSize);
if (ppStream != NULL)
*ppStream = NULL;
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_INSTALLATION,
"SXS: %s called with:\n"
" dwFlags = 0x%08lx\n"
" pszName = \"%ls\"\n"
" dwFormat = %lu\n"
" dwFormatFlags = %lu\n"
" ppStream = %p\n"
" puliMaxSize = %p\n",
__FUNCTION__,
dwFlags,
pszName,
dwFormat,
dwFormatFlags,
ppStream,
puliMaxSize);
PARAMETER_CHECK(dwFlags == 0);
PARAMETER_CHECK(pszName != NULL);
PARAMETER_CHECK(ppStream != NULL);
//Darwin should clean their code about this : use _WIN32_ flags only
PARAMETER_CHECK(
(dwFormat == STREAM_FORMAT_COMPLIB_MANIFEST) ||
(dwFormat == STREAM_FORMAT_WIN32_MANIFEST) ||
(dwFormat == STREAM_FORMAT_COMPLIB_MODULE) ||
(dwFormat == STREAM_FORMAT_WIN32_MODULE));
PARAMETER_CHECK(dwFormatFlags == 0);
// It's illegal to have more than one manifest in the assembly...
PARAMETER_CHECK((!m_fManifest) || ((dwFormat != STREAM_FORMAT_COMPLIB_MANIFEST) && (dwFormat != STREAM_FORMAT_WIN32_MANIFEST)));
*ppStream = NULL;
// one and only one manifest stream for each assembly item.....
if ((dwFormat == STREAM_FORMAT_COMPLIB_MANIFEST) || (dwFormat == STREAM_FORMAT_WIN32_MANIFEST))
{
PARAMETER_CHECK(m_fManifest == FALSE);
m_fManifest = TRUE;
}
INTERNAL_ERROR_CHECK(!m_strTempDir.IsEmpty()); // temporary directory must be there !
IFW32FALSE_EXIT(FullPathFileNameBuf.Win32Assign(m_strTempDir));
IFW32FALSE_EXIT(FullPathFileNameBuf.Win32EnsureTrailingPathSeparator());
IFW32FALSE_EXIT(FullPathFileNameBuf.Win32Append(pszName, ::wcslen(pszName)));
// xiaoyuw@ : below wcsstr() is from old code : not sure whether we need do it
// Do not allow path hackery.
// need to validate this will result in a relative path within asmcache dir.
// For now don't allow ".." in path; collapse the path before doing this.
PARAMETER_CHECK(wcsstr(pszName, szTemp) == NULL);
if (wcscspn(pszName, CUnicodeCharTraits::PathSeparators()) != wcslen(pszName))
{
// before file-copying, create subdirectory if needed
// check backslash and forword-slash
// the filename contains path info inside, such as "abc\a.dll", so we have to create "abc" subdirectory
// under the temporary directory
CStringBuffer sbRelativeFilePath;
IFW32FALSE_EXIT(sbRelativeFilePath.Win32Assign(pszName, wcslen(pszName)));
IFW32FALSE_EXIT(sbRelativeFilePath.Win32RemoveLastPathElement());
IFW32FALSE_EXIT(::SxspCreateMultiLevelDirectory(m_strTempDir, sbRelativeFilePath));
}
IFW32FALSE_EXIT(pStream.Win32Allocate(__FILE__, __LINE__));
IFW32FALSE_EXIT(
pStream->OpenForWrite(
FullPathFileNameBuf,
0,
CREATE_NEW,
FILE_FLAG_SEQUENTIAL_SCAN));
if ((dwFormat == STREAM_FORMAT_COMPLIB_MANIFEST) || (dwFormat == STREAM_FORMAT_WIN32_MANIFEST)) // but should not be set both bits
IFW32FALSE_EXIT(m_strManifestFileName.Win32Assign(FullPathFileNameBuf)); // record manifest filename
//
// By COM rules, this does the addref. Then we have to detach from this
// instance so that we don't delete it
//
IFCOMFAILED_EXIT(pStream->QueryInterface(IID_IStream, (PVOID*)ppStream));
pStream.Detach();
hr = NOERROR;
Exit:
return hr;
}
// ---------------------------------------------------------------------------
// CAssemblyCacheItem::Commit
// ---------------------------------------------------------------------------
STDMETHODIMP CAssemblyCacheItem::Commit(
DWORD dwFlags,
ULONG *pulDisposition
)
{
HRESULT hr = NOERROR;
FN_TRACE_HR(hr);
ULONG ulDisposition;
SXS_INSTALLW Install = { sizeof(Install) };
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_INSTALLATION,
"SXS: %s called:\n"
" dwFlags = 0x%08lx\n"
" pulDisposition = %p\n",
__FUNCTION__,
dwFlags,
pulDisposition);
if (pulDisposition)
*pulDisposition = 0;
PARAMETER_CHECK((dwFlags & ~(IASSEMBLYCACHEITEM_COMMIT_FLAG_REFRESH)) == 0);
// check internal error whether it is ready to commit
PARAMETER_CHECK(m_fManifest);
INTERNAL_ERROR_CHECK(!m_strManifestFileName.IsEmpty()); //m_pRunOnceCookie here should be NULL...
// commit here
if ((!m_fCommit) || (dwFlags & IASSEMBLYCACHEITEM_COMMIT_FLAG_REFRESH))
{
Install.dwFlags = SXS_INSTALL_FLAG_INSTALLED_BY_DARWIN |
((dwFlags & IASSEMBLYCACHEITEM_COMMIT_FLAG_REFRESH) ? SXS_INSTALL_FLAG_REPLACE_EXISTING : 0);
if (m_pInstallCookie != NULL)
{
Install.dwFlags |= SXS_INSTALL_FLAG_INSTALL_COOKIE_VALID;
Install.pvInstallCookie = m_pInstallCookie;
}
Install.lpManifestPath = m_strManifestFileName;
IFW32FALSE_EXIT(::SxsInstallW(&Install));
if ((dwFlags & IASSEMBLYCACHEITEM_COMMIT_FLAG_REFRESH) && (m_fCommit))
{
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_INSTALLATION,
"SXS: %s - setting disposition to IASSEMBLYCACHEITEM_COMMIT_DISPOSITION_REFRESHED\n",
__FUNCTION__);
ulDisposition = IASSEMBLYCACHEITEM_COMMIT_DISPOSITION_REFRESHED;
}
else
{
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_INSTALLATION,
"SXS: %s - setting disposition to IASSEMBLYCACHEITEM_COMMIT_DISPOSITION_INSTALLED\n",
__FUNCTION__);
ulDisposition = IASSEMBLYCACHEITEM_COMMIT_DISPOSITION_INSTALLED;
}
m_fCommit = TRUE; // committed successfully
}
else
{
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_INSTALLATION,
"SXS: %s - setting disposition to IASSEMBLYCACHEITEM_COMMIT_DISPOSITION_ALREADY_INSTALLED\n",
__FUNCTION__);
ulDisposition = IASSEMBLYCACHEITEM_COMMIT_DISPOSITION_ALREADY_INSTALLED;
}
if (pulDisposition)
*pulDisposition = ulDisposition;
hr = NOERROR;
Exit :
return hr;
}
// ---------------------------------------------------------------------------
// CAssemblyCacheItem::AbortItem
// ---------------------------------------------------------------------------
STDMETHODIMP CAssemblyCacheItem::AbortItem()
{
::FusionpDbgPrintEx(
FUSION_DBG_LEVEL_ERROR,
"SXS: %s called; returning E_NOTIMPL\n",
__FUNCTION__);
return E_NOTIMPL;
}
// ---------------------------------------------------------------------------
// CAssemblyCacheItem::QI
// ---------------------------------------------------------------------------
STDMETHODIMP
CAssemblyCacheItem::QueryInterface(REFIID riid, void** ppvObj)
{
if ((riid == IID_IUnknown) ||
(riid == IID_IAssemblyCacheItem))
{
*ppvObj = static_cast<IAssemblyCacheItem*> (this);
AddRef();
return S_OK;
}
else
{
*ppvObj = NULL;
return E_NOINTERFACE;
}
}
// ---------------------------------------------------------------------------
// CAssemblyCacheItem::AddRef
// ---------------------------------------------------------------------------
STDMETHODIMP_(ULONG)
CAssemblyCacheItem::AddRef()
{
return ::SxspInterlockedIncrement (&m_cRef);
}
// ---------------------------------------------------------------------------
// CAssemblyCacheItem::Release
// ---------------------------------------------------------------------------
STDMETHODIMP_(ULONG)
CAssemblyCacheItem::Release()
{
ULONG lRet = ::SxspInterlockedDecrement (&m_cRef);
if (!lRet)
FUSION_DELETE_SINGLETON(this);
return lRet;
}