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NT4/private/ole32/stg/ofsstg/odocstg.cxx

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2001-01-01 00:00:00 +01:00
//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1994.
//
// File: odocstg.cxx
//
// Contents: IStorage for compound docs on OFS implementation
//
// History: 07-Feb-94 PhilipLa Created
//
// Notes: BUGBUG [mikese] Many of these routines are identical
// to those for COfsDirStorage. We should create a common
// base class to contain the common code.
//
//----------------------------------------------------------------------------
#include "headers.cxx"
#pragma hdrstop
#include <stgutil.hxx>
#include "odsenm.hxx"
#include "odocstm.hxx"
#include <psetstg.hxx>
#include <iofs.h>
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::QueryInterface, public
//
// Synopsis: Returns an object for the requested interface
//
// Arguments: [iid] - Interface ID
// [ppvObj] - Object return
//
// Returns: Appropriate status code
//
// Modifies: [ppvObj]
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::QueryInterface(REFIID iid, void **ppvObj)
{
SCODE sc;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::QueryInterface:%p(riid, %p)\n",
this, ppvObj));
if (!IsValidIid(iid))
olErr(EH_Err, STG_E_INVALIDPARAMETER);
ssChk(Validate());
if (IsEqualIID(iid, IID_IStorage) || IsEqualIID(iid, IID_IUnknown))
{
*ppvObj = (IStorage *)this;
COfsDocStorage::AddRef();
}
else if (IsEqualIID(iid, IID_IPropertySetStorage))
{
*ppvObj = (IPropertySetStorage *)this;
COfsDocStorage::AddRef();
}
else if (IsEqualIID(iid, IID_INativeFileSystem))
{
*ppvObj = (INativeFileSystem *)this;
COfsDocStorage::AddRef();
}
else if (IsEqualIID(iid, IID_IAccessControl))
{
// BUGBUG need to artifically restrict to root & property storages
*ppvObj = (IAccessControl *)this;
COfsDocStorage::AddRef();
}
else if (IsEqualIID(iid, IID_IMarshal) &&
(_grfMode & STGM_DELETEONRELEASE) == 0)
{
*ppvObj = (IMarshal *)this;
COfsDocStorage::AddRef();
}
else if (IsEqualIID(iid, IID_IStorageReplica))
{
*ppvObj = (IStorageReplica *)this;
COfsDocStorage::AddRef();
}
else
{
sc = E_NOINTERFACE;
*ppvObj = NULL;
}
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::QueryInterface => %p\n",
*ppvObj));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::COfsDocStorage, public
//
// Synopsis: Empty object construction
//
// History: 07-Feb-94 PhilipLa Created
// 24-Mar-95 HenryLee Store drive letter to fix Stat problem
//
//----------------------------------------------------------------------------
#pragma warning(disable: 4355)
COfsDocStorage::COfsDocStorage(void) : CPropertySetStorage(this)
#pragma warning(default: 4355)
{
ssDebugOut((DEB_ITRACE, "In COfsDocStorage::COfsDocStorage:%p()\n",
this));
_sig = 0;
_wcDrive = L'\0';
ssDebugOut((DEB_ITRACE, "Out COfsDocStorage::COfsDocStorage\n"));
ENLIST_TRACKING(COfsDocStorage);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::InitFromHandle, public
//
// Synopsis: From-handle constructor
//
// Arguments: [h] - Handle of directory
// [grfMode] - Mode of handle
// [fRoot] - TRUE => storage is a root storage
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
// 24-Mar-95 HenryLee Store drive letter to fix Stat problem
//
// Notes: Takes a new reference on the handle
//
//----------------------------------------------------------------------------
SCODE COfsDocStorage::InitFromHandle(HANDLE h,
WCHAR const *pwcsName,
DWORD grfMode,
BOOL fRoot)
{
SCODE sc;
ssDebugOut((DEB_ITRACE, "In COfsDocStorage::InitFromHandle:%p(%p, %lX)\n",
this, h, grfMode));
ssChk(ValidateMode(grfMode));
_h = h;
ssAssert(_h != NULL);
_grfMode = grfMode;
_sig = COfsDocStorage_SIG;
_fRoot = fRoot;
_wcDrive = GetDriveLetter (pwcsName);
ssChk(InitAccessControl(_h, _grfMode, FALSE, NULL));
ssChk(InitNtHandleMarshal(_h, _grfMode, STGFMT_DOCUMENT));
ssDebugOut((DEB_ITRACE, "Out COfsDocStorage::InitFromHandle\n"));
EH_Err:
return sc;
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::InitFromPath, public
//
// Synopsis: From-path constructor
//
// Arguments: [pwcsName] - Name of document
// [grfMode] - Mode
// [fCreate] - Create or open
// [pssSecurity] - Security
// [fRoot] - TRUE => root storage
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
// 24-Mar-95 HenryLee Store drive letter to fix Stat problem
//
//----------------------------------------------------------------------------
SCODE COfsDocStorage::InitFromPath(HANDLE hParent,
WCHAR const *pwcsName,
DWORD grfMode,
CREATEOPEN co,
LPSECURITY_ATTRIBUTES pssSecurity,
BOOL fRoot)
{
SCODE sc;
ssDebugOut((DEB_ITRACE, "In COfsDocStorage::InitFromPath:%p("
"%p, %ws, %lX, %d, %p)\n", this, hParent, pwcsName, grfMode,
co, pssSecurity));
ssChk(ValidateMode(grfMode));
// BUGBUG: [mikese] This class is used for both root documents and
// embeddings, so FD_STORAGE is not always correct.
ssChk(GetNtHandle(hParent, pwcsName, grfMode, 0, co, FD_STORAGE,
(LPSECURITY_ATTRIBUTES)pssSecurity, &_h));
_grfMode = grfMode;
_sig = COfsDocStorage_SIG;
_fRoot = fRoot;
_wcDrive = GetDriveLetter (pwcsName);
ssChk(InitAccessControl(_h, _grfMode, FALSE, NULL));
ssChk(InitNtHandleMarshal(_h, _grfMode, STGFMT_DOCUMENT));
ssDebugOut((DEB_ITRACE, "Out COfsDocStorage::InitFromPath\n"));
EH_Err:
return sc;
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::~COfsDocStorage, public
//
// Synopsis: Destructor
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
COfsDocStorage::~COfsDocStorage(void)
{
ssDebugOut((DEB_ITRACE, "In COfsDocStorage::~COfsDocStorage()\n"));
_sig = COfsDocStorage_SIGDEL;
//BUGBUG: Replace with real delete on release support?
if ((HANDLE)_h != NULL && (_grfMode & STGM_DELETEONRELEASE))
{
SCODE sc = DestroyTree(NULL, NULL, _h, FD_STORAGE);
if (!SUCCEEDED(sc))
{
ssDebugOut ((DEB_ERROR, " DestroyTree => %x\n", sc));
ssVerSucc(sc);
}
}
ssDebugOut((DEB_ITRACE, "Out COfsDocStorage::~COfsDocStorage\n"));
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::CreateStream, public
//
// Synopsis: Creates a stream
//
// Arguments: [pwcsName] - Name
// [grfMode] - Permissions
// [reserved1]
// [reserved2]
// [ppstm] - Stream return
//
// Returns: Appropriate status code
//
// Modifies: [ppstm]
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::CreateStream(WCHAR const *pwcsName,
DWORD grfMode,
DWORD reserved1,
DWORD reserved2,
IStream **ppstm)
{
SCODE sc;
SafeCOfsDocStream pst;
WCHAR *pwcsNewName = NULL;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::CreateStream:%p("
"%ws, %lX, %lu, %lu, %p)\n", this, pwcsName, grfMode,
reserved1, reserved2, ppstm));
ssChk(Validate());
if (reserved1 != 0 || reserved2 != 0)
ssErr(EH_Err, STG_E_INVALIDPARAMETER);
if (grfMode & (STGM_CONVERT | STGM_PRIORITY | STGM_DELETEONRELEASE))
ssErr(EH_Err, STG_E_INVALIDFUNCTION);
#ifdef TRANSACT_OLE
if (_grfMode & STGM_TRANSACTED)
{
if (grfMode & (STGM_CREATE | STGM_TRANSACTED))
ssErr(EH_Err, STG_E_INVALIDPARAMETER);
if ((grfMode & STGM_SHARE_EXCLUSIVE) == 0)
ssErr(EH_Err, STG_E_INVALIDPARAMETER);
}
#endif
ssChk(ValidateOutPtrBuffer(ppstm));
*ppstm = NULL;
pst.Attach(new COfsDocStream());
ssMem((COfsDocStream *)pst);
ssMem(pwcsNewName = MakeStreamName(pwcsName));
#ifdef TRANSACT_OLE
ssChk(pst->InitFromPath(_h, pwcsNewName, grfMode, CO_CREATE,
(_grfMode & STGM_TRANSACTED) == STGM_TRANSACTED, NULL));
#else
ssChk(pst->InitFromPath(_h, pwcsNewName, grfMode, CO_CREATE,
FALSE, NULL));
#endif
TRANSFER_INTERFACE(pst, IStream, ppstm);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::CreateStream => %p\n", *ppstm));
EH_Err:
delete pwcsNewName;
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::OpenStream, public
//
// Synopsis: Opens an existing stream
//
// Arguments: [pwcsName] - Name
// [reserved1]
// [grfMode] - Permissions
// [reserved2]
// [ppstm] - Stream return
//
// Returns: Appropriate status code
//
// Modifies: [ppstm]
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::OpenStream(WCHAR const *pwcsName,
void *reserved1,
DWORD grfMode,
DWORD reserved2,
IStream **ppstm)
{
SCODE sc;
SafeCOfsDocStream pst;
WCHAR *pwcsNewName = NULL;
ssDebugOut((DEB_TRACE, "COfsDocStorage::OpenStream:%p("
"%ws, %p, %lX, %lu, %p)\n", this, pwcsName, reserved1,
grfMode, reserved2, ppstm));
ssChk(ValidateSimple());
ssChk(Validate());
if (reserved1 != 0 || reserved2 != 0)
ssErr(EH_Err, STG_E_INVALIDPARAMETER);
if (grfMode & (STGM_CREATE | STGM_CONVERT))
ssErr(EH_Err, STG_E_INVALIDFLAG);
if (grfMode & (STGM_PRIORITY | STGM_DELETEONRELEASE))
ssErr(EH_Err, STG_E_INVALIDFUNCTION);
#ifdef TRANSACT_OLE
if (_grfMode & STGM_TRANSACTED)
{
if (grfMode & (STGM_CREATE | STGM_TRANSACTED))
ssErr(EH_Err, STG_E_INVALIDPARAMETER);
if ((grfMode & STGM_SHARE_EXCLUSIVE) == 0)
ssErr(EH_Err, STG_E_INVALIDPARAMETER);
}
#endif
ssChk(ValidateOutPtrBuffer(ppstm));
*ppstm = NULL;
pst.Attach(new COfsDocStream());
ssMem((COfsDocStream *)pst);
ssMem(pwcsNewName = MakeStreamName(pwcsName));
#ifdef TRANSACT_OLE
ssChk(pst->InitFromPath(_h, pwcsNewName, grfMode, CO_OPEN,
(_grfMode & STGM_TRANSACTED) == STGM_TRANSACTED, NULL));
#else
ssChk(pst->InitFromPath(_h, pwcsNewName, grfMode, CO_OPEN,
FALSE, NULL));
#endif
TRANSFER_INTERFACE(pst, IStream, ppstm);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage:: OpenStream => %p\n", *ppstm));
EH_Err:
delete pwcsNewName;
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::CreateStorage, public
//
// Synopsis: Creates a child storage
//
// Arguments: [pwcsName] - Name
// [grfMode] - Permissions
// [dwStgFmt] - Type of storage to create
// [pssSecurity] - Security
// [ppstg] - New storage return
//
// Returns: Appropriate status code
//
// Modifies: [ppstg]
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::CreateStorage(
WCHAR const *pwcsName,
DWORD grfMode,
DWORD dwStgFmt,
LPSTGSECURITY pssSecurity,
IStorage **ppstg)
{
SCODE sc;
SafeCOfsDocStorage pstg;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::CreateStorage:%p("
"%ws, %lX, %lu, %p, %p)\n", this, pwcsName, grfMode,
dwStgFmt, pssSecurity, ppstg));
ssChk(ValidateSimple());
ssChk(Validate());
ssChk(VerifyStgFmt(dwStgFmt));
ssAssert(_h != NULL);
ssChk(ValidateOutPtrBuffer(ppstg));
*ppstg = NULL;
//FORCE_READ(grfMode);
pstg.Attach(new COfsDocStorage());
ssMem((COfsDocStorage *)pstg);
ssChk(pstg->InitFromPath(_h, pwcsName, grfMode, CO_CREATE,
(LPSECURITY_ATTRIBUTES) pssSecurity, FALSE));
if ((grfMode & STGM_EDIT_ACCESS_RIGHTS) && // child is editing ACLS
(_grfMode & STGM_TRANSACTED)) // parent is transacted
{
InsertChild (pstg); // hold on to the child for
pstg->AddRef(); // nested transactions
}
TRANSFER_INTERFACE(pstg, IStorage, ppstg);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::CreateStorage => %p\n",*ppstg));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::OpenStorage, public
//
// Synopsis: Gets an existing child storage
//
// Arguments: [pwcsName] - Name
// [pstgPriority] - Priority reopens
// [grfMode] - Permissions
// [snbExclude] - Priority reopens
// [reserved]
// [ppstg] - Storage return
//
// Returns: Appropriate status code
//
// Modifies: [ppstg]
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::OpenStorage(WCHAR const *pwcsName,
IStorage *pstgPriority,
DWORD grfMode,
SNB snbExclude,
DWORD reserved,
IStorage **ppstg)
{
SCODE sc;
SafeCOfsDocStorage pstg;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::OpenStorage:%p("
"%ws, %p, %lX, %p, %lu, %p)\n", this, pwcsName, pstgPriority,
grfMode, snbExclude, reserved, ppstg));
ssChk(ValidateSimple());
ssChk(Validate());
if (pstgPriority != NULL || snbExclude != NULL ||
reserved != 0)
ssErr(EH_Err, STG_E_INVALIDPARAMETER);
if (grfMode & (STGM_CREATE | STGM_CONVERT))
ssErr(EH_Err, STG_E_INVALIDFLAG);
ssChk(ValidateOutPtrBuffer(ppstg));
*ppstg = NULL;
ssAssert(_h != NULL);
// The only thing we can open inside a document is an embedding
pstg.Attach(new COfsDocStorage());
ssMem((COfsDocStorage *)pstg);
ssChk(pstg->InitFromPath(_h, pwcsName, grfMode, CO_OPEN, NULL, FALSE));
if (snbExclude != NULL)
ssChk(pstg->ExcludeEntries(snbExclude));
if ((grfMode & STGM_EDIT_ACCESS_RIGHTS) && // child is editing ACLS
(_grfMode & STGM_TRANSACTED)) // parent is transacted
{
InsertChild (pstg); // hold on to the child for
pstg->AddRef(); // nested transactions
}
TRANSFER_INTERFACE(pstg, IStorage, ppstg);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::OpenStorage => %p\n", *ppstg));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::CopyTo, public
//
// Synopsis: Makes a copy of a storage
//
// Arguments: [ciidExclude] - Length of rgiid array
// [rgiidExclude] - Array of IIDs to exclude
// [snbExclude] - Names to exclude
// [pstgDest] - Parent of copy
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Copied from DrewB's stuff
//
// Notes: BUGBUG - This function operates recursively and so
// is bounded by stack space
// It could also be optimized to recognize special cases
// of copying (like treating a docfile as a file)
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::CopyTo(DWORD ciidExclude,
IID const *rgiidExclude,
SNB snbExclude,
IStorage *pstgDest)
{
ssDebugOut((DEB_TRACE, "In COfsDocStorage::CopyTo:%p(%lu, %p, %p, %p)\n",
this, ciidExclude, rgiidExclude, snbExclude, pstgDest));
SCODE sc;
ULONG i;
BOOL fCopyStorage = TRUE;
BOOL fCopyStreams = TRUE;
STATSTG stat;
STATSTG statDest;
DWORD grfModeFrom;
DWORD grfModeTo;
DWORD grfModeTo2;
ssChk(ValidateSimple());
ssChk(Validate());
if (!IsValidInterface(pstgDest))
olErr(EH_Err, STG_E_INVALIDPARAMETER);
// Stat the source to obtain the open mode (and also class id and
// state bits).
ssChk(Stat(&stat, STATFLAG_NONAME));
// The open mode for subelements of the source is derived from that
// of the root. We preserve the sharing mode part, force read only
// and direct (because we do not want a nested transaction).
grfModeFrom = (stat.grfMode & (STGM_SHARE_EXCLUSIVE|
STGM_SHARE_DENY_READ|
STGM_SHARE_DENY_WRITE|
STGM_SHARE_DENY_NONE))
| STGM_READ | STGM_DIRECT;
// Stat the destination to obtain the open mode
ssChk(pstgDest->Stat(&statDest,STATFLAG_NONAME));
// The open mode for subelements of the destination is derived from that
// of the root. We force direct mode, since we do not want nested
// transactions.
grfModeTo = statDest.grfMode & (~(STGM_TRANSACTED | STGM_DELETEONRELEASE));
// Copy class ID and state bits if the destination supports them
// BUGBUG [mikese] Do we really need to do this, since won't these
// get copied as part of the system properties?
sc = GetScode(pstgDest->SetClass(stat.clsid));
if (FAILED(sc) && sc != STG_E_INVALIDFUNCTION)
olErr(EH_Err, sc);
sc = GetScode(pstgDest->SetStateBits(stat.grfStateBits, 0xffffffff));
if (FAILED(sc) && sc != STG_E_INVALIDFUNCTION)
olErr(EH_Err, sc);
// Check IID exclusions
for (i = 0; i < ciidExclude; i++)
{
if (IsEqualIID(rgiidExclude[i], IID_IStorage))
{
fCopyStorage = FALSE;
}
else if ( IsEqualIID ( rgiidExclude[i], IID_IStream ) )
{
fCopyStreams = FALSE;
}
}
sc = S_OK;
if (fCopyStorage)
{
SCODE scFinal;
WCHAR pwcsName[MAXIMUM_FILENAME_LENGTH];
FILEDIR fd;
CNtEnum nte;
CDfName dfn;
BOOL fOfs;
HANDLE hDest = NULL;
// henrylee: BUGBUG this is a hack to detect copyto a docfile
INativeFileSystem *pINFS;
if (SUCCEEDED(pstgDest->QueryInterface (IID_INativeFileSystem,
(void**) &pINFS)))
{
pINFS->GetHandle(&hDest);
pINFS->Release();
grfModeTo2 = grfModeTo;
fOfs = TRUE;
}
else
{ // permissions for docfile compatibility
grfModeTo = STGM_WRITE | STGM_SHARE_EXCLUSIVE;
grfModeTo2 = STGM_READWRITE | STGM_SHARE_EXCLUSIVE;
fOfs = FALSE;
}
scFinal = S_OK;
ssAssert(_h != NULL);
ssChk(nte.InitFromHandle(_h, TRUE));
for (;;)
{
sc = nte.Next(&stat, pwcsName, NTE_BUFFERNAME, &fd);
if (sc == S_FALSE)
break;
else if (FAILED(sc))
olErr(EH_Err, sc);
// Ignore . and ..
if (!wcscmp(pwcsName, L".") || !wcscmp(pwcsName, L".."))
continue;
// BUGBUG: [mikese] What's wrong with raw pwcsName?
dfn.Set(pwcsName);
if (snbExclude == NULL || !NameInSNB(&dfn, snbExclude))
{
if ( stat.type == STGTY_STORAGE )
{
SafeIStorage pstgFrom, pstgTo;
STATSTG statTo;
olHChkTo(EH_Next, OpenStorage(pwcsName, NULL,
grfModeFrom,
NULL, NULL, &pstgFrom));
// We know that the source must be an embedding (STGFMT_DOCUMENT)
sc = pstgDest->CreateStorage( pwcsName,
grfModeTo | STGM_FAILIFTHERE,
STGFMT_DOCUMENT,
NULL,
&pstgTo );
if (FAILED(sc))
{
if (sc == STG_E_FILEALREADYEXISTS)
{
// Try to open rather than creating
sc = pstgDest->OpenStorage( pwcsName, NULL,
grfModeTo2,
NULL, NULL,
&pstgTo );
if (SUCCEEDED(sc))
{
sc = pstgTo->Stat ( &statTo, STATFLAG_NONAME );
if (FAILED(sc) ||
statTo.STATSTG_dwStgFmt != STGFMT_DOCUMENT)
{
sc = STG_E_INVALIDFUNCTION;
}
}
}
}
if (SUCCEEDED(sc))
sc = pstgFrom->CopyTo( ciidExclude, rgiidExclude,
snbExclude, pstgTo);
}
else if ( (stat.type == STGTY_STREAM) && fCopyStreams )
{
SafeIStream pstmTo, pstmFrom;
static ULARGE_INTEGER uli = { 0xFFFFFFFF, 0xFFFFFFFF };
olHChkTo(EH_Next, OpenStream ( pwcsName,
NULL,
grfModeFrom,
0, &pstmFrom ) );
// BUGBUG instead of overwriting, we create another
// stream and rename -- really need transacted mode
sc = pstgDest->CreateStream ( pwcsName,
grfModeTo | STGM_FAILIFTHERE,
0, 0, &pstmTo );
if (sc == STG_E_FILEALREADYEXISTS)
{
WCHAR awcsName[MAXIMUM_FILENAME_LENGTH];
wcscpy (awcsName, pwcsName);
if (fOfs)
awcsName[0] = L'@';
IStream *pstm;
olHChkTo(EH_Next, pstgDest->CreateStream ( awcsName,
grfModeTo|STGM_CREATE,
0, 0, &pstm ));
sc = pstmFrom->CopyTo ( pstm, uli, NULL, NULL );
pstm->Release();
if (SUCCEEDED(sc) && fOfs)
{
ssAssert (hDest != NULL);
WCHAR awcsSave[MAXIMUM_FILENAME_LENGTH+4];
wcscpy (awcsSave, pwcsName);
wcscat (awcsSave, L".old");
sc = RenameChild (hDest, pwcsName, awcsSave);
if (!SUCCEEDED(sc))
{
sc = DestroyTree (hDest, awcsSave, NULL, FD_FILE);
sc = RenameChild (hDest, pwcsName, awcsSave);
}
olHChkTo(EH_Next,RenameChild (hDest, awcsName, pwcsName));
sc = DestroyTree (hDest, awcsSave, NULL, FD_FILE);
}
else if (fOfs)
olHChkTo(EH_Next,pstgDest->DestroyElement (awcsName));
}
else if ( SUCCEEDED(sc) )
{
sc = pstmFrom->CopyTo ( pstmTo, uli, NULL, NULL );
}
}
EH_Next:
if (FAILED(sc))
scFinal = sc;
}
}
sc = scFinal;
}
EH_Err:
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::CopyTo\n"));
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::MoveElementTo, public
//
// Synopsis: Move an element of a storage to another storage
//
// Arguments: [pwcsName] - Current name
// [ptcsNewName] - New name
//
// Returns: Appropriate status code
//
// Algorithm: Open source as storage or stream (whatever works)
// Create appropriate destination
// Copy source to destination
// Set create time of destination equal to create time of source
// If appropriate, delete source
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::MoveElementTo(WCHAR const *pwcsName,
IStorage *pstgParent,
WCHAR const *ptcsNewName,
DWORD grfFlags)
{
SCODE sc;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::MoveElementTo:%p("
"%ws, %p, %ws, %lu)\n", this, pwcsName, pstgParent,
ptcsNewName, grfFlags));
ssChk(ValidateSimple());
ssChk(Validate());
ssChk(VerifyMoveFlags(grfFlags));
sc = GenericMoveElement(this, pwcsName, pstgParent, ptcsNewName, grfFlags);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::MoveElementTo => %lX\n", sc));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::Commit, public
//
// Synopsis: Commits transacted changes
//
// Arguments: [dwFlags] - DFC_*
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::Commit(DWORD dwFlags)
{
SCODE sc = S_OK;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::Commit:%p(%lX)\n",
this, dwFlags));
#ifdef TRANSACT_OLE
if (_grfMode & STGM_TRANSACTED)
{
IO_STATUS_BLOCK iosb;
COMMIT_PARAMETERS ftci = {FALSE, dwFlags};
NTSTATUS nts;
if ((dwFlags & ~(STGC_DEFAULT | STGC_ONLYIFCURRENT)) != 0)
ssErr (EH_Err, STG_E_INVALIDPARAMETER);
if (!NT_SUCCESS(nts = NtFsControlFile (_h, NULL, NULL, NULL, &iosb,
FSCTL_XOLE_COMMIT, &ftci, sizeof(ftci), NULL, 0)))
sc = NtStatusToScode(nts);
else
sc = S_OK;
}
#endif // TRANSACT_OLE
if (_grfMode & STGM_EDIT_ACCESS_RIGHTS)
ssChk(CommitAccessRights(0));
EH_Err:
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::Commit => %lX\n",sc));
return ssResult (sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::Revert, public
//
// Synopsis: Reverts transacted changes
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::Revert(void)
{
ssDebugOut((DEB_TRACE, "In COfsDocStorage::Revert:%p\n", this));
SCODE sc = S_OK;
ssChk(ValidateSimple());
#ifdef TRANSACT_OLE
if (_grfMode & STGM_TRANSACTED)
{
ssErr(EH_Err, STG_E_INVALIDFUNCTION);
IO_STATUS_BLOCK iosb;
COMMIT_PARAMETERS ftci = {TRUE, 0L};
NTSTATUS nts;
if (!NT_SUCCESS(nts = NtFsControlFile (_h, NULL, NULL, NULL, &iosb,
FSCTL_XOLE_COMMIT, &ftci, sizeof(ftci), NULL, 0)))
sc = NtStatusToScode(nts);
else
sc = S_OK;
}
#endif // TRANSACT_OLE
if (_grfMode & STGM_EDIT_ACCESS_RIGHTS)
ssChk(RevertAccessRights());
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::Revert => %lX\n",sc));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::EnumElements, public
//
// Synopsis: Starts an iterator
//
// Arguments: [reserved1]
// [reserved2]
// [reserved3]
// [ppenm] - Enumerator return
//
// Returns: Appropriate status code
//
// Modifies: [ppenm]
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::EnumElements(DWORD reserved1,
void *reserved2,
DWORD reserved3,
IEnumSTATSTG **ppenm)
{
SCODE sc;
SafeCOfsDirEnum pde;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::EnumElements:%p("
"%lu, %p, %lu, %p)\n", this, reserved1, reserved2,
reserved3, ppenm));
ssChk(ValidateSimple());
if (ppenm == NULL)
ssErr (EH_Err, STG_E_INVALIDPOINTER) // missing ';' macro problem
else
ssChk(ValidateOutPtrBuffer(ppenm));
*ppenm = NULL;
if (reserved1 != 0 || reserved2 != NULL || reserved3 != 0)
olErr(EH_Err, STG_E_INVALIDPARAMETER);
ssChk(Validate());
pde.Attach(new COfsDirEnum(TRUE));
olMem((COfsDirEnum *)pde);
ssAssert(_h != NULL);
ssChk(pde->InitFromHandle(_h));
TRANSFER_INTERFACE(pde, IEnumSTATSTG, ppenm);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::EnumElements => %p\n",
*ppenm));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::DestroyElement, public
//
// Synopsis: Permanently deletes an element of a storage
//
// Arguments: [pwcsName] - Name of element
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::DestroyElement(WCHAR const *pwcsName)
{
SCODE sc = S_OK;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::DestroyElement:%p(%ws)\n",
this, pwcsName));
ssChk(ValidateSimple());
ssChk(Validate());
ssAssert(_h != NULL);
#ifdef TRANSACT_OLE
if (_grfMode & STGM_TRANSACTED)
sc = DestroyTree(_h, pwcsName, NULL, FD_STREAM);
else
#endif
sc = DestroyTree(_h, pwcsName, NULL, FD_FILE);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::DestroyElement\n"));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::RenameElement, public
//
// Synopsis: Renames an element of a storage
//
// Arguments: [pwcsName] - Current name
// [pwcsNewName] - New name
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::RenameElement(WCHAR const *pwcsName,
WCHAR const *pwcsNewName)
{
//BUGBUG: Reimplement?
SCODE sc;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::RenameElement:%p(%ws, %ws)\n",
this, pwcsName, pwcsNewName));
#ifdef TRANSACT_OLE
if (_grfMode & STGM_TRANSACTED)
ssErr (EH_Err, STG_E_INVALIDFUNCTION);
#endif
ssChk(ValidateSimple());
ssChk(Validate());
// pwcsName is checked by GetFileOrDirHandle
ssChk(CheckFdName(pwcsNewName));
ssAssert(_h != NULL);
sc = RenameChild(_h, pwcsName, pwcsNewName);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::RenameElement\n"));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::SetElementTimes, public
//
// Synopsis: Sets element time stamps
//
// Arguments: [pwcsName] - Name
// [pctime] - Create time
// [patime] - Access time
// [pmtime] - Modify time
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::SetElementTimes(WCHAR const *pwcsName,
FILETIME const *pctime,
FILETIME const *patime,
FILETIME const *pmtime)
{
SCODE sc;
SafeNtHandle h;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::SetElementTimes:%p("
"%ws, %p, %p, %p)\n", this, pwcsName, pctime, patime, pmtime));
if (pwcsName != NULL)
ssChk(ValidateSimple());
ssChk(Validate());
ssAssert(_h != NULL);
if (pwcsName != NULL)
{
#ifdef TRANSACT_OLE
if (_grfMode & STGM_TRANSACTED)
ssErr (EH_Err, STG_E_INVALIDFUNCTION);
#endif
ssChk(GetFileOrDirHandle(_h, pwcsName, STGM_WRITE, &h,NULL,NULL,NULL));
sc = SetTimes(h, pctime, patime, pmtime);
}
else
sc = SetTimes(_h, pctime, patime, pmtime);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::SetElementTimes\n"));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::SetClass, public
//
// Synopsis: Sets storage class
//
// Arguments: [clsid] - class id
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::SetClass(REFCLSID clsid)
{
SCODE sc = S_OK;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::SetClass:%p(clsid)\n", this));
NTSTATUS nts = RtlSetClassId(_h, &clsid);
if (!NT_SUCCESS(nts))
sc = NtStatusToScode(nts);
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::SetClass => %lX\n", sc));
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::SetStateBits, public
//
// Synopsis: Sets state bits
//
// Arguments: [grfStateBits] - state bits
// [grfMask] - state bits mask
//
// Returns: Appropriate status code
//
// History: 07-Feb-94 PhilipLa Created
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::SetStateBits(DWORD grfStateBits, DWORD grfMask)
{
NTSTATUS nts;
SCODE sc = S_OK;
IO_STATUS_BLOCK iosb;
FILE_OLE_STATE_BITS_INFORMATION fosbi;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::SetStateBits:%p("
"%lu, %lu)\n", this, grfStateBits, grfMask));
ssChk(ValidateSimple());
fosbi.StateBits = grfStateBits;
fosbi.StateBitsMask = grfMask;
nts = NtSetInformationFile(_h, &iosb, &fosbi,
sizeof(FILE_OLE_STATE_BITS_INFORMATION),
FileOleStateBitsInformation);
if (!NT_SUCCESS(nts))
ssErr(EH_Err, NtStatusToScode(nts));
EH_Err:
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::SetStateBits => %lX\n", sc));
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::Stat, public
//
// Synopsis: Fills in a buffer of information about this object
//
// Arguments: [pstatstg] - Buffer
//
// Returns: Appropriate status code
//
// Modifies: [pstatstg]
//
// History: 07-Feb-94 PhilipLa Created
// 24-Mar-95 HenryLee Set drive letter to fix Stat problem
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::Stat(STATSTG *pstatstg, DWORD grfStatFlag)
{
SCODE sc;
STATSTG stat;
FILEDIR fd;
ssDebugOut((DEB_TRACE, "In COfsDocStorage::Stat:%p(%p, %lX)\n",
this, pstatstg, grfStatFlag));
ssChk(ValidateSimple());
ssChk(VerifyStatFlag(grfStatFlag));
ssChk(Validate());
__try
{
ssAssert(_h != NULL);
stat.clsid = CLSID_NULL;
sc = StatNtHandle(_h, grfStatFlag, 0, &stat, NULL, NULL, &fd);
if (SUCCEEDED(sc))
{
if (stat.pwcsName)
if (!_fRoot)
{
// The name coming back from StatNtHandle is a full
// path from the root. We scan forward looking for
// the final "\" which delimits the name of the stream.
WCHAR *pwcs = stat.pwcsName;
WCHAR *pwcsSlash = pwcs;
while (*pwcs != L'\0')
if (*pwcs++ == L'\\')
pwcsSlash = pwcs;
// pwcsSlash now points at the name of the stream. Move it
// back to the beginning of the block
wcscpy (stat.pwcsName, pwcsSlash);
}
else
{
// Now we tack on the drive letter to the filename, since
// NtQueryInformationFile doesn't return the drive letter,
// and NtQueryObject returns something like
// "\Device\Harddisk1\Partition1" // HenryLee
SetDriveLetter (stat.pwcsName, _wcDrive);
}
// BUGBUG: Can't put this assert in until we have a way to distinguish
// an empty storage from a directory. :-(
// ssAssert(fd == FD_STORAGE);
stat.grfMode = _grfMode &
(STGM_DIRECT | STGM_TRANSACTED | STGM_READ |
STGM_WRITE | STGM_READWRITE | STGM_SHARE_DENY_NONE |
STGM_SHARE_DENY_READ | STGM_SHARE_DENY_WRITE |
STGM_SHARE_EXCLUSIVE | STGM_PRIORITY |
STGM_DELETEONRELEASE);
stat.cbSize.HighPart = stat.cbSize.LowPart = 0;
stat.STATSTG_dwStgFmt = STGFMT_DOCUMENT;
*pstatstg = stat;
}
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
if (stat.pwcsName)
ssVerSucc(CoMemFree(stat.pwcsName));
sc = HRESULT_FROM_NT(GetExceptionCode());
}
ssDebugOut((DEB_TRACE, "Out COfsDocStorage::Stat\n"));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::ValidateMode, private
//
// Synopsis: Checks for legal access modes
//
// Arguments: [grfMode] - Mode
//
// Returns: Appropriate status code
//
// History: 09-Jul-94 PhilipLa Created
//
//----------------------------------------------------------------------------
SCODE COfsDocStorage::ValidateMode(DWORD grfMode)
{
SCODE sc = S_OK;
ssDebugOut((DEB_ITRACE, "In COfsDocStorage::ValidateMode:%p(0x%lX)\n",
this, grfMode));
// BUGBUG - Can we simply ignore priority mode?
#ifdef TRANSACT_OLE
if (grfMode & STGM_TRANSACTED)
{
if ((grfMode &
(STGM_SHARE_DENY_NONE | STGM_SHARE_DENY_READ |
STGM_SHARE_DENY_WRITE | STGM_SHARE_EXCLUSIVE)) !=
STGM_SHARE_DENY_NONE)
ssErr (EH_Err, STG_E_INVALIDPARAMETER);
if (grfMode & STGM_DELETEONRELEASE)
ssErr (EH_Err, STG_E_INVALIDPARAMETER);
}
#endif
if ((grfMode & STGM_CONVERT) != 0)
ssErr (EH_Err, STG_E_INVALIDFLAG);
ssDebugOut((DEB_ITRACE, "Out COfsDocStorage::ValidateMode => 0x%lX\n",
sc));
EH_Err:
return sc;
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::ExtValidate, private
//
// Synopsis: COfsPropSet validation routine
//
// History: 18-Aug-94 PhilipLa Created
//
//----------------------------------------------------------------------------
SCODE COfsDocStorage::ExtValidate(void)
{
return Validate();
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::GetHandle, private from INativeFileSystem
//
// Synopsis: Get the internal handle
//
//----------------------------------------------------------------------------
SCODE COfsDocStorage::GetHandle(HANDLE *ph)
{
*ph = _h;
return(S_OK);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::ExcludeEntries, public
//
// Synopsis: excludes the SNB list after opening
//
// Arguments: [snbExclude] - zero out these elements
//
// Returns: Appropriate status code
//
// History: 09-Aug-95 HenryLee Created
//
//----------------------------------------------------------------------------
SCODE COfsDocStorage::ExcludeEntries (SNB snbExclude)
{
SCODE sc = S_OK;
IEnumSTATSTG *penm;
IStorage *pstg;
IStream *pstm;
STATSTG sstg;
CDfName dfnName;
const ULARGE_INTEGER uli = {0, 0};
ssAssert (this != NULL);
ssDebugOut((DEB_ITRACE, "In COfsDocStorage::ExcludeEntries(%p)\n", this));
ssChk(EnumElements(0, NULL, 0, &penm));
for (;;)
{
olChkTo(EH_penm, penm->Next(1, &sstg, NULL));
if (S_FALSE == sc)
{
sc = S_OK;
break;
}
dfnName.Set (sstg.pwcsName);
if (NameInSNB (&dfnName, snbExclude) == S_OK)
{
switch (REAL_STGTY(sstg.type))
{
case STGTY_STORAGE:
ssChkTo(EH_pwcsName, DestroyTree(_h,
sstg.pwcsName, NULL, FD_STORAGE));
ssChkTo(EH_pwcsName, CreateStorage(sstg.pwcsName,
STGM_READWRITE | STGM_CREATE,
STGFMT_DOCUMENT, NULL, &pstg));
ssVerSucc(pstg->Release());
break;
case STGTY_STREAM:
ssChkTo(EH_pwcsName, OpenStream(sstg.pwcsName, NULL,
STGM_WRITE, NULL, &pstm));
sc = pstm->SetSize(uli);
ssVerSucc(pstm->Release());
break;
default:
break;
}
}
EH_pwcsName:
TaskMemFree(sstg.pwcsName);
if (FAILED(sc))
break;
}
EH_penm:
ssVerSucc(penm->Release());
ssDebugOut((DEB_ITRACE, "Out COfsDocStorage::ExcludeEntries\n"));
EH_Err:
return ssResult(sc);
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::GetStorage, public IPrivateStorage
//
// Synopsis: Returns the IStorage for this object.
//
// Notes: This member is called by CPropertyStorage.
//
//----------------------------------------------------------------------------
STDMETHODIMP_(IStorage *)
COfsDocStorage::GetStorage(VOID)
{
return this;
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::Lock, public IPrivateStorage
//
// Synopsis: Acquires the semaphore associated with the docfile.
//
// Notes: This member is called by CPropertyStorage.
//
//----------------------------------------------------------------------------
STDMETHODIMP
COfsDocStorage::Lock(DWORD dwTimeout)
{
return STG_E_UNIMPLEMENTEDFUNCTION;
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::Unlock, public IPrivateStorage
//
// Synopsis: Releases the semaphore associated with the docfile.
//
// Notes: This member is called by CPropertyStorage.
//
//----------------------------------------------------------------------------
STDMETHODIMP_(VOID)
COfsDocStorage::Unlock(VOID)
{
}
//+---------------------------------------------------------------------------
//
// Member: COfsDocStorage::GetServerInfo, public IStorageReplica
//
// Synopsis: Get the actual DFS path for a storage's home location
//
// Notes: This member is exposed for Internal Use Only
//
//----------------------------------------------------------------------------
STDMETHODIMP COfsDocStorage::GetServerInfo(
IN OUT LPWSTR lpServerName,
IN OUT LPDWORD lpcbServerName,
IN OUT LPWSTR lpReplSpecificPath,
IN OUT LPDWORD lpcbReplSpecificPath)
{
return GetHandleServerInfo (_h,
lpServerName,
lpcbServerName,
lpReplSpecificPath,
lpcbReplSpecificPath);
}
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