/* * Compound Storage (32 bit version) * Storage implementation * * This file contains the compound file implementation * of the storage interface. * * Copyright 1999 Francis Beaudet * Copyright 1999 Sylvain St-Germain * Copyright 1999 Thuy Nguyen * Copyright 2005 Mike McCormack * Copyright 2005 Juan Lang * Copyright 2006 Mike McCormack * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * * TODO: * - I don't honor the maximum property set size. * - Certain bogus files could result in reading past the end of a buffer. * - Mac-generated files won't be read correctly, even if they're little * endian, because I disregard whether the generator was a Mac. This means * strings will probably be munged (as I don't understand Mac scripts.) * - Not all PROPVARIANT types are supported. * - User defined properties are not supported, see comment in * PropertyStorage_ReadFromStream */ #include #include #include #include #include #define COBJMACROS #define NONAMELESSUNION #include "windef.h" #include "winbase.h" #include "winnls.h" #include "winuser.h" #include "wine/asm.h" #include "wine/debug.h" #include "wine/heap.h" #include "dictionary.h" #include "storage32.h" #include "oleauto.h" WINE_DEFAULT_DEBUG_CHANNEL(storage); static inline StorageImpl *impl_from_IPropertySetStorage( IPropertySetStorage *iface ) { return CONTAINING_RECORD(iface, StorageImpl, base.IPropertySetStorage_iface); } /* These are documented in MSDN, * but they don't seem to be in any header file. */ #define PROPSETHDR_BYTEORDER_MAGIC 0xfffe #define PROPSETHDR_OSVER_KIND_WIN16 0 #define PROPSETHDR_OSVER_KIND_MAC 1 #define PROPSETHDR_OSVER_KIND_WIN32 2 #define CP_UNICODE 1200 #define MAX_VERSION_0_PROP_NAME_LENGTH 256 #define CFTAG_WINDOWS (-1L) #define CFTAG_MACINTOSH (-2L) #define CFTAG_FMTID (-3L) #define CFTAG_NODATA 0L #define ALIGNED_LENGTH(_Len, _Align) (((_Len)+(_Align))&~(_Align)) typedef struct tagPROPERTYSETHEADER { WORD wByteOrder; /* always 0xfffe */ WORD wFormat; /* can be zero or one */ DWORD dwOSVer; /* OS version of originating system */ CLSID clsid; /* application CLSID */ DWORD reserved; /* always 1 */ } PROPERTYSETHEADER; typedef struct tagFORMATIDOFFSET { FMTID fmtid; DWORD dwOffset; /* from beginning of stream */ } FORMATIDOFFSET; typedef struct tagPROPERTYSECTIONHEADER { DWORD cbSection; DWORD cProperties; } PROPERTYSECTIONHEADER; typedef struct tagPROPERTYIDOFFSET { DWORD propid; DWORD dwOffset; /* from beginning of section */ } PROPERTYIDOFFSET; typedef struct tagPropertyStorage_impl PropertyStorage_impl; /* Initializes the property storage from the stream (and undoes any uncommitted * changes in the process.) Returns an error if there is an error reading or * if the stream format doesn't match what's expected. */ static HRESULT PropertyStorage_ReadFromStream(PropertyStorage_impl *); static HRESULT PropertyStorage_WriteToStream(PropertyStorage_impl *); /* Creates the dictionaries used by the property storage. If successful, all * the dictionaries have been created. If failed, none has been. (This makes * it a bit easier to deal with destroying them.) */ static HRESULT PropertyStorage_CreateDictionaries(PropertyStorage_impl *); static void PropertyStorage_DestroyDictionaries(PropertyStorage_impl *); /* Copies from propvar to prop. If propvar's type is VT_LPSTR, copies the * string using PropertyStorage_StringCopy. */ static HRESULT PropertyStorage_PropVariantCopy(PROPVARIANT *prop, const PROPVARIANT *propvar, UINT targetCP, UINT srcCP); /* Copies the string src, which is encoded using code page srcCP, and returns * it in *dst, in the code page specified by targetCP. The returned string is * allocated using CoTaskMemAlloc. * If srcCP is CP_UNICODE, src is in fact an LPCWSTR. Similarly, if targetCP * is CP_UNICODE, the returned string is in fact an LPWSTR. * Returns S_OK on success, something else on failure. */ static HRESULT PropertyStorage_StringCopy(LPCSTR src, UINT srcCP, LPSTR *dst, UINT targetCP); static const IPropertyStorageVtbl IPropertyStorage_Vtbl; /*********************************************************************** * Implementation of IPropertyStorage */ struct tagPropertyStorage_impl { IPropertyStorage IPropertyStorage_iface; LONG ref; CRITICAL_SECTION cs; IStream *stm; BOOL dirty; FMTID fmtid; CLSID clsid; WORD format; DWORD originatorOS; DWORD grfFlags; DWORD grfMode; UINT codePage; LCID locale; PROPID highestProp; struct dictionary *name_to_propid; struct dictionary *propid_to_name; struct dictionary *propid_to_prop; }; static inline PropertyStorage_impl *impl_from_IPropertyStorage(IPropertyStorage *iface) { return CONTAINING_RECORD(iface, PropertyStorage_impl, IPropertyStorage_iface); } struct enum_stat_prop_stg { IEnumSTATPROPSTG IEnumSTATPROPSTG_iface; LONG refcount; PropertyStorage_impl *storage; STATPROPSTG *stats; size_t current; size_t count; }; static struct enum_stat_prop_stg *impl_from_IEnumSTATPROPSTG(IEnumSTATPROPSTG *iface) { return CONTAINING_RECORD(iface, struct enum_stat_prop_stg, IEnumSTATPROPSTG_iface); } static HRESULT WINAPI enum_stat_prop_stg_QueryInterface(IEnumSTATPROPSTG *iface, REFIID riid, void **obj) { TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj); if (IsEqualIID(riid, &IID_IEnumSTATPROPSTG) || IsEqualIID(riid, &IID_IUnknown)) { *obj = iface; IEnumSTATPROPSTG_AddRef(iface); return S_OK; } WARN("Unsupported interface %s.\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI enum_stat_prop_stg_AddRef(IEnumSTATPROPSTG *iface) { struct enum_stat_prop_stg *penum = impl_from_IEnumSTATPROPSTG(iface); LONG refcount = InterlockedIncrement(&penum->refcount); TRACE("%p, refcount %u.\n", iface, refcount); return refcount; } static ULONG WINAPI enum_stat_prop_stg_Release(IEnumSTATPROPSTG *iface) { struct enum_stat_prop_stg *penum = impl_from_IEnumSTATPROPSTG(iface); LONG refcount = InterlockedDecrement(&penum->refcount); TRACE("%p, refcount %u.\n", iface, refcount); if (!refcount) { IPropertyStorage_Release(&penum->storage->IPropertyStorage_iface); heap_free(penum->stats); heap_free(penum); } return refcount; } static HRESULT WINAPI enum_stat_prop_stg_Next(IEnumSTATPROPSTG *iface, ULONG celt, STATPROPSTG *ret, ULONG *fetched) { struct enum_stat_prop_stg *penum = impl_from_IEnumSTATPROPSTG(iface); ULONG count = 0; WCHAR *name; TRACE("%p, %u, %p, %p.\n", iface, celt, ret, fetched); if (penum->current == ~0u) penum->current = 0; while (count < celt && penum->current < penum->count) { *ret = penum->stats[penum->current++]; if (dictionary_find(penum->storage->propid_to_name, UlongToPtr(ret->propid), (void **)&name)) { SIZE_T size = (lstrlenW(name) + 1) * sizeof(WCHAR); ret->lpwstrName = CoTaskMemAlloc(size); if (ret->lpwstrName) memcpy(ret->lpwstrName, name, size); } ret++; count++; } if (fetched) *fetched = count; return count < celt ? S_FALSE : S_OK; } static HRESULT WINAPI enum_stat_prop_stg_Skip(IEnumSTATPROPSTG *iface, ULONG celt) { FIXME("%p, %u.\n", iface, celt); return S_OK; } static HRESULT WINAPI enum_stat_prop_stg_Reset(IEnumSTATPROPSTG *iface) { struct enum_stat_prop_stg *penum = impl_from_IEnumSTATPROPSTG(iface); TRACE("%p.\n", iface); penum->current = ~0u; return S_OK; } static HRESULT WINAPI enum_stat_prop_stg_Clone(IEnumSTATPROPSTG *iface, IEnumSTATPROPSTG **ppenum) { FIXME("%p, %p.\n", iface, ppenum); return E_NOTIMPL; } static const IEnumSTATPROPSTGVtbl enum_stat_prop_stg_vtbl = { enum_stat_prop_stg_QueryInterface, enum_stat_prop_stg_AddRef, enum_stat_prop_stg_Release, enum_stat_prop_stg_Next, enum_stat_prop_stg_Skip, enum_stat_prop_stg_Reset, enum_stat_prop_stg_Clone, }; static BOOL prop_enum_stat(const void *k, const void *v, void *extra, void *arg) { struct enum_stat_prop_stg *stg = arg; PROPID propid = PtrToUlong(k); const PROPVARIANT *prop = v; STATPROPSTG *dest; dest = &stg->stats[stg->count]; dest->lpwstrName = NULL; dest->propid = propid; dest->vt = prop->vt; stg->count++; return TRUE; } static BOOL prop_enum_stat_count(const void *k, const void *v, void *extra, void *arg) { DWORD *count = arg; *count += 1; return TRUE; } static HRESULT create_enum_stat_prop_stg(PropertyStorage_impl *storage, IEnumSTATPROPSTG **ret) { struct enum_stat_prop_stg *enum_obj; DWORD count; enum_obj = heap_alloc_zero(sizeof(*enum_obj)); if (!enum_obj) return E_OUTOFMEMORY; enum_obj->IEnumSTATPROPSTG_iface.lpVtbl = &enum_stat_prop_stg_vtbl; enum_obj->refcount = 1; enum_obj->storage = storage; IPropertyStorage_AddRef(&storage->IPropertyStorage_iface); count = 0; dictionary_enumerate(storage->propid_to_prop, prop_enum_stat_count, &count); if (count) { if (!(enum_obj->stats = heap_alloc(sizeof(*enum_obj->stats) * count))) { IEnumSTATPROPSTG_Release(&enum_obj->IEnumSTATPROPSTG_iface); return E_OUTOFMEMORY; } dictionary_enumerate(storage->propid_to_prop, prop_enum_stat, enum_obj); } *ret = &enum_obj->IEnumSTATPROPSTG_iface; return S_OK; } /************************************************************************ * IPropertyStorage_fnQueryInterface (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnQueryInterface( IPropertyStorage *iface, REFIID riid, void** ppvObject) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppvObject); if (!ppvObject) return E_INVALIDARG; *ppvObject = 0; if (IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IPropertyStorage, riid)) { IPropertyStorage_AddRef(iface); *ppvObject = iface; return S_OK; } return E_NOINTERFACE; } /************************************************************************ * IPropertyStorage_fnAddRef (IPropertyStorage) */ static ULONG WINAPI IPropertyStorage_fnAddRef( IPropertyStorage *iface) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); return InterlockedIncrement(&This->ref); } /************************************************************************ * IPropertyStorage_fnRelease (IPropertyStorage) */ static ULONG WINAPI IPropertyStorage_fnRelease( IPropertyStorage *iface) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); ULONG ref; ref = InterlockedDecrement(&This->ref); if (ref == 0) { TRACE("Destroying %p\n", This); if (This->dirty) IPropertyStorage_Commit(iface, STGC_DEFAULT); IStream_Release(This->stm); This->cs.DebugInfo->Spare[0] = 0; DeleteCriticalSection(&This->cs); PropertyStorage_DestroyDictionaries(This); HeapFree(GetProcessHeap(), 0, This); } return ref; } static PROPVARIANT *PropertyStorage_FindProperty(PropertyStorage_impl *This, DWORD propid) { PROPVARIANT *ret = NULL; dictionary_find(This->propid_to_prop, UlongToPtr(propid), (void **)&ret); TRACE("returning %p\n", ret); return ret; } /* Returns NULL if name is NULL. */ static PROPVARIANT *PropertyStorage_FindPropertyByName( PropertyStorage_impl *This, LPCWSTR name) { PROPVARIANT *ret = NULL; void *propid; if (!name) return NULL; if (This->codePage == CP_UNICODE) { if (dictionary_find(This->name_to_propid, name, &propid)) ret = PropertyStorage_FindProperty(This, PtrToUlong(propid)); } else { LPSTR ansiName; HRESULT hr = PropertyStorage_StringCopy((LPCSTR)name, CP_UNICODE, &ansiName, This->codePage); if (SUCCEEDED(hr)) { if (dictionary_find(This->name_to_propid, ansiName, &propid)) ret = PropertyStorage_FindProperty(This, PtrToUlong(propid)); CoTaskMemFree(ansiName); } } TRACE("returning %p\n", ret); return ret; } static LPWSTR PropertyStorage_FindPropertyNameById(PropertyStorage_impl *This, DWORD propid) { LPWSTR ret = NULL; dictionary_find(This->propid_to_name, UlongToPtr(propid), (void **)&ret); TRACE("returning %p\n", ret); return ret; } /************************************************************************ * IPropertyStorage_fnReadMultiple (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnReadMultiple( IPropertyStorage* iface, ULONG cpspec, const PROPSPEC rgpspec[], PROPVARIANT rgpropvar[]) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); HRESULT hr = S_OK; ULONG i; TRACE("(%p, %d, %p, %p)\n", iface, cpspec, rgpspec, rgpropvar); if (!cpspec) return S_FALSE; if (!rgpspec || !rgpropvar) return E_INVALIDARG; EnterCriticalSection(&This->cs); for (i = 0; i < cpspec; i++) { PropVariantInit(&rgpropvar[i]); if (rgpspec[i].ulKind == PRSPEC_LPWSTR) { PROPVARIANT *prop = PropertyStorage_FindPropertyByName(This, rgpspec[i].u.lpwstr); if (prop) PropertyStorage_PropVariantCopy(&rgpropvar[i], prop, GetACP(), This->codePage); } else { switch (rgpspec[i].u.propid) { case PID_CODEPAGE: rgpropvar[i].vt = VT_I2; rgpropvar[i].iVal = This->codePage; break; case PID_LOCALE: rgpropvar[i].vt = VT_I4; rgpropvar[i].lVal = This->locale; break; default: { PROPVARIANT *prop = PropertyStorage_FindProperty(This, rgpspec[i].u.propid); if (prop) PropertyStorage_PropVariantCopy(&rgpropvar[i], prop, GetACP(), This->codePage); else hr = S_FALSE; } } } } LeaveCriticalSection(&This->cs); return hr; } static HRESULT PropertyStorage_StringCopy(LPCSTR src, UINT srcCP, LPSTR *dst, UINT dstCP) { HRESULT hr = S_OK; int len; TRACE("%s, %p, %d, %d\n", srcCP == CP_UNICODE ? debugstr_w((LPCWSTR)src) : debugstr_a(src), dst, dstCP, srcCP); assert(src); assert(dst); *dst = NULL; if (dstCP == srcCP) { size_t len; if (dstCP == CP_UNICODE) len = (lstrlenW((LPCWSTR)src) + 1) * sizeof(WCHAR); else len = strlen(src) + 1; *dst = CoTaskMemAlloc(len); if (!*dst) hr = STG_E_INSUFFICIENTMEMORY; else memcpy(*dst, src, len); } else { if (dstCP == CP_UNICODE) { len = MultiByteToWideChar(srcCP, 0, src, -1, NULL, 0); *dst = CoTaskMemAlloc(len * sizeof(WCHAR)); if (!*dst) hr = STG_E_INSUFFICIENTMEMORY; else MultiByteToWideChar(srcCP, 0, src, -1, (LPWSTR)*dst, len); } else { LPCWSTR wideStr = NULL; LPWSTR wideStr_tmp = NULL; if (srcCP == CP_UNICODE) wideStr = (LPCWSTR)src; else { len = MultiByteToWideChar(srcCP, 0, src, -1, NULL, 0); wideStr_tmp = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); if (wideStr_tmp) { MultiByteToWideChar(srcCP, 0, src, -1, wideStr_tmp, len); wideStr = wideStr_tmp; } else hr = STG_E_INSUFFICIENTMEMORY; } if (SUCCEEDED(hr)) { len = WideCharToMultiByte(dstCP, 0, wideStr, -1, NULL, 0, NULL, NULL); *dst = CoTaskMemAlloc(len); if (!*dst) hr = STG_E_INSUFFICIENTMEMORY; else { BOOL defCharUsed = FALSE; if (WideCharToMultiByte(dstCP, 0, wideStr, -1, *dst, len, NULL, &defCharUsed) == 0 || defCharUsed) { CoTaskMemFree(*dst); *dst = NULL; hr = HRESULT_FROM_WIN32(ERROR_NO_UNICODE_TRANSLATION); } } } HeapFree(GetProcessHeap(), 0, wideStr_tmp); } } TRACE("returning 0x%08x (%s)\n", hr, dstCP == CP_UNICODE ? debugstr_w((LPCWSTR)*dst) : debugstr_a(*dst)); return hr; } static HRESULT PropertyStorage_PropVariantCopy(PROPVARIANT *prop, const PROPVARIANT *propvar, UINT targetCP, UINT srcCP) { HRESULT hr = S_OK; assert(prop); assert(propvar); switch (propvar->vt) { case VT_LPSTR: hr = PropertyStorage_StringCopy(propvar->pszVal, srcCP, &prop->pszVal, targetCP); if (SUCCEEDED(hr)) prop->vt = VT_LPSTR; break; case VT_BSTR: if ((prop->bstrVal = SysAllocStringLen(propvar->bstrVal, SysStringLen(propvar->bstrVal)))) prop->vt = VT_BSTR; else hr = E_OUTOFMEMORY; break; default: hr = PropVariantCopy(prop, propvar); } return hr; } /* Stores the property with id propid and value propvar into this property * storage. lcid is ignored if propvar's type is not VT_LPSTR. If propvar's * type is VT_LPSTR, converts the string using lcid as the source code page * and This->codePage as the target code page before storing. * As a side effect, may change This->format to 1 if the type of propvar is * a version 1-only property. */ static HRESULT PropertyStorage_StorePropWithId(PropertyStorage_impl *This, PROPID propid, const PROPVARIANT *propvar, UINT cp) { HRESULT hr = S_OK; PROPVARIANT *prop = PropertyStorage_FindProperty(This, propid); assert(propvar); if (propvar->vt & VT_BYREF || propvar->vt & VT_ARRAY) This->format = 1; switch (propvar->vt) { case VT_DECIMAL: case VT_I1: case VT_INT: case VT_UINT: case VT_VECTOR|VT_I1: This->format = 1; } TRACE("Setting 0x%08x to type %d\n", propid, propvar->vt); if (prop) { PropVariantClear(prop); hr = PropertyStorage_PropVariantCopy(prop, propvar, This->codePage, cp); } else { prop = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(PROPVARIANT)); if (prop) { hr = PropertyStorage_PropVariantCopy(prop, propvar, This->codePage, cp); if (SUCCEEDED(hr)) { dictionary_insert(This->propid_to_prop, UlongToPtr(propid), prop); if (propid > This->highestProp) This->highestProp = propid; } else HeapFree(GetProcessHeap(), 0, prop); } else hr = STG_E_INSUFFICIENTMEMORY; } return hr; } /* Adds the name srcName to the name dictionaries, mapped to property ID id. * srcName is encoded in code page cp, and is converted to This->codePage. * If cp is CP_UNICODE, srcName is actually a unicode string. * As a side effect, may change This->format to 1 if srcName is too long for * a version 0 property storage. * Doesn't validate id. */ static HRESULT PropertyStorage_StoreNameWithId(PropertyStorage_impl *This, LPCSTR srcName, UINT cp, PROPID id) { LPSTR name; HRESULT hr; assert(srcName); hr = PropertyStorage_StringCopy(srcName, cp, &name, This->codePage); if (SUCCEEDED(hr)) { if (This->codePage == CP_UNICODE) { if (lstrlenW((LPWSTR)name) >= MAX_VERSION_0_PROP_NAME_LENGTH) This->format = 1; } else { if (strlen(name) >= MAX_VERSION_0_PROP_NAME_LENGTH) This->format = 1; } TRACE("Adding prop name %s, propid %d\n", This->codePage == CP_UNICODE ? debugstr_w((LPCWSTR)name) : debugstr_a(name), id); dictionary_insert(This->name_to_propid, name, UlongToPtr(id)); dictionary_insert(This->propid_to_name, UlongToPtr(id), name); } return hr; } /************************************************************************ * IPropertyStorage_fnWriteMultiple (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnWriteMultiple( IPropertyStorage* iface, ULONG cpspec, const PROPSPEC rgpspec[], const PROPVARIANT rgpropvar[], PROPID propidNameFirst) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); HRESULT hr = S_OK; ULONG i; TRACE("(%p, %d, %p, %p)\n", iface, cpspec, rgpspec, rgpropvar); if (cpspec && (!rgpspec || !rgpropvar)) return E_INVALIDARG; if (!(This->grfMode & STGM_READWRITE)) return STG_E_ACCESSDENIED; EnterCriticalSection(&This->cs); This->dirty = TRUE; This->originatorOS = (DWORD)MAKELONG(LOWORD(GetVersion()), PROPSETHDR_OSVER_KIND_WIN32) ; for (i = 0; i < cpspec; i++) { if (rgpspec[i].ulKind == PRSPEC_LPWSTR) { PROPVARIANT *prop = PropertyStorage_FindPropertyByName(This, rgpspec[i].u.lpwstr); if (prop) PropVariantCopy(prop, &rgpropvar[i]); else { /* Note that I don't do the special cases here that I do below, * because naming the special PIDs isn't supported. */ if (propidNameFirst < PID_FIRST_USABLE || propidNameFirst >= PID_MIN_READONLY) hr = STG_E_INVALIDPARAMETER; else { PROPID nextId = max(propidNameFirst, This->highestProp + 1); hr = PropertyStorage_StoreNameWithId(This, (LPCSTR)rgpspec[i].u.lpwstr, CP_UNICODE, nextId); if (SUCCEEDED(hr)) hr = PropertyStorage_StorePropWithId(This, nextId, &rgpropvar[i], GetACP()); } } } else { switch (rgpspec[i].u.propid) { case PID_DICTIONARY: /* Can't set the dictionary */ hr = STG_E_INVALIDPARAMETER; break; case PID_CODEPAGE: /* Can only set the code page if nothing else has been set */ if (dictionary_num_entries(This->propid_to_prop) == 0 && rgpropvar[i].vt == VT_I2) { This->codePage = rgpropvar[i].iVal; if (This->codePage == CP_UNICODE) This->grfFlags &= ~PROPSETFLAG_ANSI; else This->grfFlags |= PROPSETFLAG_ANSI; } else hr = STG_E_INVALIDPARAMETER; break; case PID_LOCALE: /* Can only set the locale if nothing else has been set */ if (dictionary_num_entries(This->propid_to_prop) == 0 && rgpropvar[i].vt == VT_I4) This->locale = rgpropvar[i].lVal; else hr = STG_E_INVALIDPARAMETER; break; case PID_ILLEGAL: /* silently ignore like MSDN says */ break; default: if (rgpspec[i].u.propid >= PID_MIN_READONLY) hr = STG_E_INVALIDPARAMETER; else hr = PropertyStorage_StorePropWithId(This, rgpspec[i].u.propid, &rgpropvar[i], GetACP()); } } } if (This->grfFlags & PROPSETFLAG_UNBUFFERED) IPropertyStorage_Commit(iface, STGC_DEFAULT); LeaveCriticalSection(&This->cs); return hr; } /************************************************************************ * IPropertyStorage_fnDeleteMultiple (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnDeleteMultiple( IPropertyStorage* iface, ULONG cpspec, const PROPSPEC rgpspec[]) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); ULONG i; HRESULT hr; TRACE("(%p, %d, %p)\n", iface, cpspec, rgpspec); if (cpspec && !rgpspec) return E_INVALIDARG; if (!(This->grfMode & STGM_READWRITE)) return STG_E_ACCESSDENIED; hr = S_OK; EnterCriticalSection(&This->cs); This->dirty = TRUE; for (i = 0; i < cpspec; i++) { if (rgpspec[i].ulKind == PRSPEC_LPWSTR) { void *propid; if (dictionary_find(This->name_to_propid, rgpspec[i].u.lpwstr, &propid)) dictionary_remove(This->propid_to_prop, propid); } else { if (rgpspec[i].u.propid >= PID_FIRST_USABLE && rgpspec[i].u.propid < PID_MIN_READONLY) dictionary_remove(This->propid_to_prop, UlongToPtr(rgpspec[i].u.propid)); else hr = STG_E_INVALIDPARAMETER; } } if (This->grfFlags & PROPSETFLAG_UNBUFFERED) IPropertyStorage_Commit(iface, STGC_DEFAULT); LeaveCriticalSection(&This->cs); return hr; } /************************************************************************ * IPropertyStorage_fnReadPropertyNames (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnReadPropertyNames( IPropertyStorage* iface, ULONG cpropid, const PROPID rgpropid[], LPOLESTR rglpwstrName[]) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); ULONG i; HRESULT hr = S_FALSE; TRACE("(%p, %d, %p, %p)\n", iface, cpropid, rgpropid, rglpwstrName); if (cpropid && (!rgpropid || !rglpwstrName)) return E_INVALIDARG; EnterCriticalSection(&This->cs); for (i = 0; i < cpropid && SUCCEEDED(hr); i++) { LPWSTR name = PropertyStorage_FindPropertyNameById(This, rgpropid[i]); if (name) { size_t len = lstrlenW(name); hr = S_OK; rglpwstrName[i] = CoTaskMemAlloc((len + 1) * sizeof(WCHAR)); if (rglpwstrName[i]) memcpy(rglpwstrName[i], name, (len + 1) * sizeof(WCHAR)); else hr = STG_E_INSUFFICIENTMEMORY; } else rglpwstrName[i] = NULL; } LeaveCriticalSection(&This->cs); return hr; } /************************************************************************ * IPropertyStorage_fnWritePropertyNames (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnWritePropertyNames( IPropertyStorage* iface, ULONG cpropid, const PROPID rgpropid[], const LPOLESTR rglpwstrName[]) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); ULONG i; HRESULT hr; TRACE("(%p, %d, %p, %p)\n", iface, cpropid, rgpropid, rglpwstrName); if (cpropid && (!rgpropid || !rglpwstrName)) return E_INVALIDARG; if (!(This->grfMode & STGM_READWRITE)) return STG_E_ACCESSDENIED; hr = S_OK; EnterCriticalSection(&This->cs); This->dirty = TRUE; for (i = 0; SUCCEEDED(hr) && i < cpropid; i++) { if (rgpropid[i] != PID_ILLEGAL) hr = PropertyStorage_StoreNameWithId(This, (LPCSTR)rglpwstrName[i], CP_UNICODE, rgpropid[i]); } if (This->grfFlags & PROPSETFLAG_UNBUFFERED) IPropertyStorage_Commit(iface, STGC_DEFAULT); LeaveCriticalSection(&This->cs); return hr; } /************************************************************************ * IPropertyStorage_fnDeletePropertyNames (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnDeletePropertyNames( IPropertyStorage* iface, ULONG cpropid, const PROPID rgpropid[]) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); ULONG i; HRESULT hr; TRACE("(%p, %d, %p)\n", iface, cpropid, rgpropid); if (cpropid && !rgpropid) return E_INVALIDARG; if (!(This->grfMode & STGM_READWRITE)) return STG_E_ACCESSDENIED; hr = S_OK; EnterCriticalSection(&This->cs); This->dirty = TRUE; for (i = 0; i < cpropid; i++) { LPWSTR name = NULL; if (dictionary_find(This->propid_to_name, UlongToPtr(rgpropid[i]), (void **)&name)) { dictionary_remove(This->propid_to_name, UlongToPtr(rgpropid[i])); dictionary_remove(This->name_to_propid, name); } } if (This->grfFlags & PROPSETFLAG_UNBUFFERED) IPropertyStorage_Commit(iface, STGC_DEFAULT); LeaveCriticalSection(&This->cs); return hr; } /************************************************************************ * IPropertyStorage_fnCommit (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnCommit( IPropertyStorage* iface, DWORD grfCommitFlags) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); HRESULT hr; TRACE("(%p, 0x%08x)\n", iface, grfCommitFlags); if (!(This->grfMode & STGM_READWRITE)) return STG_E_ACCESSDENIED; EnterCriticalSection(&This->cs); if (This->dirty) hr = PropertyStorage_WriteToStream(This); else hr = S_OK; LeaveCriticalSection(&This->cs); return hr; } /************************************************************************ * IPropertyStorage_fnRevert (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnRevert( IPropertyStorage* iface) { HRESULT hr; PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); TRACE("%p\n", iface); EnterCriticalSection(&This->cs); if (This->dirty) { PropertyStorage_DestroyDictionaries(This); hr = PropertyStorage_CreateDictionaries(This); if (SUCCEEDED(hr)) hr = PropertyStorage_ReadFromStream(This); } else hr = S_OK; LeaveCriticalSection(&This->cs); return hr; } /************************************************************************ * IPropertyStorage_fnEnum (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnEnum(IPropertyStorage *iface, IEnumSTATPROPSTG **ppenum) { PropertyStorage_impl *storage = impl_from_IPropertyStorage(iface); TRACE("%p, %p.\n", iface, ppenum); return create_enum_stat_prop_stg(storage, ppenum); } /************************************************************************ * IPropertyStorage_fnSetTimes (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnSetTimes( IPropertyStorage* iface, const FILETIME* pctime, const FILETIME* patime, const FILETIME* pmtime) { FIXME("\n"); return E_NOTIMPL; } /************************************************************************ * IPropertyStorage_fnSetClass (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnSetClass( IPropertyStorage* iface, REFCLSID clsid) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); TRACE("%p, %s\n", iface, debugstr_guid(clsid)); if (!clsid) return E_INVALIDARG; if (!(This->grfMode & STGM_READWRITE)) return STG_E_ACCESSDENIED; This->clsid = *clsid; This->dirty = TRUE; if (This->grfFlags & PROPSETFLAG_UNBUFFERED) IPropertyStorage_Commit(iface, STGC_DEFAULT); return S_OK; } /************************************************************************ * IPropertyStorage_fnStat (IPropertyStorage) */ static HRESULT WINAPI IPropertyStorage_fnStat( IPropertyStorage* iface, STATPROPSETSTG* statpsstg) { PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); STATSTG stat; HRESULT hr; TRACE("%p, %p\n", iface, statpsstg); if (!statpsstg) return E_INVALIDARG; hr = IStream_Stat(This->stm, &stat, STATFLAG_NONAME); if (SUCCEEDED(hr)) { statpsstg->fmtid = This->fmtid; statpsstg->clsid = This->clsid; statpsstg->grfFlags = This->grfFlags; statpsstg->mtime = stat.mtime; statpsstg->ctime = stat.ctime; statpsstg->atime = stat.atime; statpsstg->dwOSVersion = This->originatorOS; } return hr; } static int PropertyStorage_PropNameCompare(const void *a, const void *b, void *extra) { PropertyStorage_impl *This = extra; if (This->codePage == CP_UNICODE) { TRACE("(%s, %s)\n", debugstr_w(a), debugstr_w(b)); if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE) return wcscmp(a, b); else return lstrcmpiW(a, b); } else { TRACE("(%s, %s)\n", debugstr_a(a), debugstr_a(b)); if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE) return lstrcmpA(a, b); else return lstrcmpiA(a, b); } } static void PropertyStorage_PropNameDestroy(void *k, void *d, void *extra) { CoTaskMemFree(k); } static int PropertyStorage_PropCompare(const void *a, const void *b, void *extra) { TRACE("(%u, %u)\n", PtrToUlong(a), PtrToUlong(b)); return PtrToUlong(a) - PtrToUlong(b); } static void PropertyStorage_PropertyDestroy(void *k, void *d, void *extra) { PropVariantClear(d); HeapFree(GetProcessHeap(), 0, d); } #ifdef WORDS_BIGENDIAN /* Swaps each character in str to or from little endian; assumes the conversion * is symmetric, that is, that lendian16toh is equivalent to htole16. */ static void PropertyStorage_ByteSwapString(LPWSTR str, size_t len) { DWORD i; /* Swap characters to host order. * FIXME: alignment? */ for (i = 0; i < len; i++) str[i] = lendian16toh(str[i]); } #else #define PropertyStorage_ByteSwapString(s, l) #endif static void* WINAPI Allocate_CoTaskMemAlloc(void *this, ULONG size) { return CoTaskMemAlloc(size); } struct read_buffer { BYTE *data; size_t size; }; static HRESULT buffer_test_offset(const struct read_buffer *buffer, size_t offset, size_t len) { return len > buffer->size || offset > buffer->size - len ? STG_E_READFAULT : S_OK; } static HRESULT buffer_read_uint64(const struct read_buffer *buffer, size_t offset, ULARGE_INTEGER *data) { HRESULT hr; if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*data)))) StorageUtl_ReadULargeInteger(buffer->data, offset, data); return hr; } static HRESULT buffer_read_dword(const struct read_buffer *buffer, size_t offset, DWORD *data) { HRESULT hr; if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*data)))) StorageUtl_ReadDWord(buffer->data, offset, data); return hr; } static HRESULT buffer_read_word(const struct read_buffer *buffer, size_t offset, WORD *data) { HRESULT hr; if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*data)))) StorageUtl_ReadWord(buffer->data, offset, data); return hr; } static HRESULT buffer_read_byte(const struct read_buffer *buffer, size_t offset, BYTE *data) { HRESULT hr; if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*data)))) *data = *(buffer->data + offset); return hr; } static HRESULT buffer_read_len(const struct read_buffer *buffer, size_t offset, void *dest, size_t len) { HRESULT hr; if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, len))) memcpy(dest, buffer->data + offset, len); return hr; } static HRESULT propertystorage_read_scalar(PROPVARIANT *prop, const struct read_buffer *buffer, size_t offset, UINT codepage, void* (WINAPI *allocate)(void *this, ULONG size), void *allocate_data) { HRESULT hr; assert(!(prop->vt & (VT_ARRAY | VT_VECTOR))); switch (prop->vt) { case VT_EMPTY: case VT_NULL: hr = S_OK; break; case VT_I1: hr = buffer_read_byte(buffer, offset, (BYTE *)&prop->cVal); TRACE("Read char 0x%x ('%c')\n", prop->cVal, prop->cVal); break; case VT_UI1: hr = buffer_read_byte(buffer, offset, &prop->bVal); TRACE("Read byte 0x%x\n", prop->bVal); break; case VT_BOOL: hr = buffer_read_word(buffer, offset, (WORD *)&prop->boolVal); TRACE("Read bool %d\n", prop->boolVal); break; case VT_I2: hr = buffer_read_word(buffer, offset, (WORD *)&prop->iVal); TRACE("Read short %d\n", prop->iVal); break; case VT_UI2: hr = buffer_read_word(buffer, offset, &prop->uiVal); TRACE("Read ushort %d\n", prop->uiVal); break; case VT_INT: case VT_I4: hr = buffer_read_dword(buffer, offset, (DWORD *)&prop->lVal); TRACE("Read long %d\n", prop->lVal); break; case VT_UINT: case VT_UI4: hr = buffer_read_dword(buffer, offset, &prop->ulVal); TRACE("Read ulong %d\n", prop->ulVal); break; case VT_I8: hr = buffer_read_uint64(buffer, offset, (ULARGE_INTEGER *)&prop->hVal); TRACE("Read long long %s\n", wine_dbgstr_longlong(prop->hVal.QuadPart)); break; case VT_UI8: hr = buffer_read_uint64(buffer, offset, &prop->uhVal); TRACE("Read ulong long %s\n", wine_dbgstr_longlong(prop->uhVal.QuadPart)); break; case VT_R8: hr = buffer_read_len(buffer, offset, &prop->dblVal, sizeof(prop->dblVal)); TRACE("Read double %f\n", prop->dblVal); break; case VT_LPSTR: { DWORD count; if (FAILED(hr = buffer_read_dword(buffer, offset, &count))) break; offset += sizeof(DWORD); if (codepage == CP_UNICODE && count % sizeof(WCHAR)) { WARN("Unicode string has odd number of bytes\n"); hr = STG_E_INVALIDHEADER; } else { prop->pszVal = allocate(allocate_data, count); if (prop->pszVal) { if (FAILED(hr = buffer_read_len(buffer, offset, prop->pszVal, count))) break; /* This is stored in the code page specified in codepage. * Don't convert it, the caller will just store it as-is. */ if (codepage == CP_UNICODE) { /* Make sure it's NULL-terminated */ prop->pszVal[count / sizeof(WCHAR) - 1] = '\0'; TRACE("Read string value %s\n", debugstr_w(prop->pwszVal)); } else { /* Make sure it's NULL-terminated */ prop->pszVal[count - 1] = '\0'; TRACE("Read string value %s\n", debugstr_a(prop->pszVal)); } } else hr = STG_E_INSUFFICIENTMEMORY; } break; } case VT_BSTR: { DWORD count, wcount; if (FAILED(hr = buffer_read_dword(buffer, offset, &count))) break; offset += sizeof(DWORD); if (codepage == CP_UNICODE && count % sizeof(WCHAR)) { WARN("Unicode string has odd number of bytes\n"); hr = STG_E_INVALIDHEADER; } else { if (codepage == CP_UNICODE) wcount = count / sizeof(WCHAR); else { if (FAILED(hr = buffer_test_offset(buffer, offset, count))) break; wcount = MultiByteToWideChar(codepage, 0, (LPCSTR)(buffer->data + offset), count, NULL, 0); } prop->bstrVal = SysAllocStringLen(NULL, wcount); /* FIXME: use allocator? */ if (prop->bstrVal) { if (codepage == CP_UNICODE) hr = buffer_read_len(buffer, offset, prop->bstrVal, count); else MultiByteToWideChar(codepage, 0, (LPCSTR)(buffer->data + offset), count, prop->bstrVal, wcount); prop->bstrVal[wcount - 1] = '\0'; TRACE("Read string value %s\n", debugstr_w(prop->bstrVal)); } else hr = STG_E_INSUFFICIENTMEMORY; } break; } case VT_BLOB: { DWORD count; if (FAILED(hr = buffer_read_dword(buffer, offset, &count))) break; offset += sizeof(DWORD); prop->blob.cbSize = count; prop->blob.pBlobData = allocate(allocate_data, count); if (prop->blob.pBlobData) { hr = buffer_read_len(buffer, offset, prop->blob.pBlobData, count); TRACE("Read blob value of size %d\n", count); } else hr = STG_E_INSUFFICIENTMEMORY; break; } case VT_LPWSTR: { DWORD count; if (FAILED(hr = buffer_read_dword(buffer, offset, &count))) break; offset += sizeof(DWORD); prop->pwszVal = allocate(allocate_data, count * sizeof(WCHAR)); if (prop->pwszVal) { if (SUCCEEDED(hr = buffer_read_len(buffer, offset, prop->pwszVal, count * sizeof(WCHAR)))) { /* make sure string is NULL-terminated */ prop->pwszVal[count - 1] = '\0'; PropertyStorage_ByteSwapString(prop->pwszVal, count); TRACE("Read string value %s\n", debugstr_w(prop->pwszVal)); } } else hr = STG_E_INSUFFICIENTMEMORY; break; } case VT_FILETIME: hr = buffer_read_uint64(buffer, offset, (ULARGE_INTEGER *)&prop->filetime); break; case VT_CF: { DWORD len = 0, tag = 0; if (SUCCEEDED(hr = buffer_read_dword(buffer, offset, &len))) hr = buffer_read_dword(buffer, offset + sizeof(DWORD), &tag); if (FAILED(hr)) break; offset += 2 * sizeof(DWORD); if (len > 8) { len -= 8; prop->pclipdata = allocate(allocate_data, sizeof (CLIPDATA)); prop->pclipdata->cbSize = len; prop->pclipdata->ulClipFmt = tag; prop->pclipdata->pClipData = allocate(allocate_data, len - sizeof(prop->pclipdata->ulClipFmt)); hr = buffer_read_len(buffer, offset, prop->pclipdata->pClipData, len - sizeof(prop->pclipdata->ulClipFmt)); } else hr = STG_E_INVALIDPARAMETER; } break; case VT_CLSID: if (!(prop->puuid = allocate(allocate_data, sizeof (*prop->puuid)))) return STG_E_INSUFFICIENTMEMORY; if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*prop->puuid)))) StorageUtl_ReadGUID(buffer->data, offset, prop->puuid); break; default: FIXME("unsupported type %d\n", prop->vt); hr = STG_E_INVALIDPARAMETER; } return hr; } static size_t propertystorage_get_elemsize(const PROPVARIANT *prop) { if (!(prop->vt & VT_VECTOR)) return 0; switch (prop->vt & ~VT_VECTOR) { case VT_I1: return sizeof(*prop->cac.pElems); case VT_UI1: return sizeof(*prop->caub.pElems); case VT_I2: return sizeof(*prop->cai.pElems); case VT_UI2: return sizeof(*prop->caui.pElems); case VT_BOOL: return sizeof(*prop->cabool.pElems); case VT_I4: return sizeof(*prop->cal.pElems); case VT_UI4: return sizeof(*prop->caul.pElems); case VT_R4: return sizeof(*prop->caflt.pElems); case VT_ERROR: return sizeof(*prop->cascode.pElems); case VT_I8: return sizeof(*prop->cah.pElems); case VT_UI8: return sizeof(*prop->cauh.pElems); case VT_R8: return sizeof(*prop->cadbl.pElems); case VT_CY: return sizeof(*prop->cacy.pElems); case VT_DATE: return sizeof(*prop->cadate.pElems); case VT_FILETIME: return sizeof(*prop->cafiletime.pElems); case VT_CLSID: return sizeof(*prop->cauuid.pElems); case VT_VARIANT: return sizeof(*prop->capropvar.pElems); default: FIXME("Unhandled type %#x.\n", prop->vt); return 0; } } static HRESULT PropertyStorage_ReadProperty(PROPVARIANT *prop, const struct read_buffer *buffer, size_t offset, UINT codepage, void* (WINAPI *allocate)(void *this, ULONG size), void *allocate_data) { HRESULT hr; DWORD vt; assert(prop); assert(buffer->data); if (FAILED(hr = buffer_read_dword(buffer, offset, &vt))) return hr; offset += sizeof(DWORD); prop->vt = vt; if (prop->vt & VT_VECTOR) { DWORD count, i; switch (prop->vt & VT_VECTOR) { case VT_BSTR: case VT_VARIANT: case VT_LPSTR: case VT_LPWSTR: case VT_CF: FIXME("Vector with variable length elements are not supported.\n"); return STG_E_INVALIDPARAMETER; default: ; } if (SUCCEEDED(hr = buffer_read_dword(buffer, offset, &count))) { size_t elemsize = propertystorage_get_elemsize(prop); PROPVARIANT elem; offset += sizeof(DWORD); if ((prop->capropvar.pElems = allocate(allocate_data, elemsize * count))) { prop->capropvar.cElems = count; elem.vt = prop->vt & ~VT_VECTOR; for (i = 0; i < count; ++i) { if (SUCCEEDED(hr = propertystorage_read_scalar(&elem, buffer, offset + i * elemsize, codepage, allocate, allocate_data))) { memcpy(&prop->capropvar.pElems[i], &elem.lVal, elemsize); } } } else hr = STG_E_INSUFFICIENTMEMORY; } } else if (prop->vt & VT_ARRAY) { FIXME("VT_ARRAY properties are not supported.\n"); hr = STG_E_INVALIDPARAMETER; } else hr = propertystorage_read_scalar(prop, buffer, offset, codepage, allocate, allocate_data); return hr; } static HRESULT PropertyStorage_ReadHeaderFromStream(IStream *stm, PROPERTYSETHEADER *hdr) { BYTE buf[sizeof(PROPERTYSETHEADER)]; ULONG count = 0; HRESULT hr; assert(stm); assert(hdr); hr = IStream_Read(stm, buf, sizeof(buf), &count); if (SUCCEEDED(hr)) { if (count != sizeof(buf)) { WARN("read only %d\n", count); hr = STG_E_INVALIDHEADER; } else { StorageUtl_ReadWord(buf, offsetof(PROPERTYSETHEADER, wByteOrder), &hdr->wByteOrder); StorageUtl_ReadWord(buf, offsetof(PROPERTYSETHEADER, wFormat), &hdr->wFormat); StorageUtl_ReadDWord(buf, offsetof(PROPERTYSETHEADER, dwOSVer), &hdr->dwOSVer); StorageUtl_ReadGUID(buf, offsetof(PROPERTYSETHEADER, clsid), &hdr->clsid); StorageUtl_ReadDWord(buf, offsetof(PROPERTYSETHEADER, reserved), &hdr->reserved); } } TRACE("returning 0x%08x\n", hr); return hr; } static HRESULT PropertyStorage_ReadFmtIdOffsetFromStream(IStream *stm, FORMATIDOFFSET *fmt) { BYTE buf[sizeof(FORMATIDOFFSET)]; ULONG count = 0; HRESULT hr; assert(stm); assert(fmt); hr = IStream_Read(stm, buf, sizeof(buf), &count); if (SUCCEEDED(hr)) { if (count != sizeof(buf)) { WARN("read only %d\n", count); hr = STG_E_INVALIDHEADER; } else { StorageUtl_ReadGUID(buf, offsetof(FORMATIDOFFSET, fmtid), &fmt->fmtid); StorageUtl_ReadDWord(buf, offsetof(FORMATIDOFFSET, dwOffset), &fmt->dwOffset); } } TRACE("returning 0x%08x\n", hr); return hr; } static HRESULT PropertyStorage_ReadSectionHeaderFromStream(IStream *stm, PROPERTYSECTIONHEADER *hdr) { BYTE buf[sizeof(PROPERTYSECTIONHEADER)]; ULONG count = 0; HRESULT hr; assert(stm); assert(hdr); hr = IStream_Read(stm, buf, sizeof(buf), &count); if (SUCCEEDED(hr)) { if (count != sizeof(buf)) { WARN("read only %d\n", count); hr = STG_E_INVALIDHEADER; } else { StorageUtl_ReadDWord(buf, offsetof(PROPERTYSECTIONHEADER, cbSection), &hdr->cbSection); StorageUtl_ReadDWord(buf, offsetof(PROPERTYSECTIONHEADER, cProperties), &hdr->cProperties); } } TRACE("returning 0x%08x\n", hr); return hr; } /* Reads the dictionary from the memory buffer beginning at ptr. Interprets * the entries according to the values of This->codePage and This->locale. */ static HRESULT PropertyStorage_ReadDictionary(PropertyStorage_impl *This, const struct read_buffer *buffer, size_t offset) { DWORD numEntries, i; HRESULT hr; assert(This->name_to_propid); assert(This->propid_to_name); if (FAILED(hr = buffer_read_dword(buffer, offset, &numEntries))) return hr; TRACE("Reading %d entries:\n", numEntries); offset += sizeof(DWORD); for (i = 0; SUCCEEDED(hr) && i < numEntries; i++) { PROPID propid; DWORD cbEntry; WCHAR ch = 0; if (SUCCEEDED(hr = buffer_read_dword(buffer, offset, &propid))) hr = buffer_read_dword(buffer, offset + sizeof(PROPID), &cbEntry); if (FAILED(hr)) break; offset += sizeof(PROPID) + sizeof(DWORD); if (FAILED(hr = buffer_test_offset(buffer, offset, This->codePage == CP_UNICODE ? ALIGNED_LENGTH(cbEntry * sizeof(WCHAR), 3) : cbEntry))) { WARN("Broken name length for entry %d.\n", i); return hr; } /* Make sure the source string is NULL-terminated */ if (This->codePage != CP_UNICODE) buffer_read_byte(buffer, offset + cbEntry - 1, (BYTE *)&ch); else buffer_read_word(buffer, offset + (cbEntry - 1) * sizeof(WCHAR), &ch); if (ch) { WARN("Dictionary entry name %d is not null-terminated.\n", i); return E_FAIL; } TRACE("Reading entry with ID %#x, %d chars, name %s.\n", propid, cbEntry, This->codePage == CP_UNICODE ? debugstr_wn((WCHAR *)buffer->data, cbEntry) : debugstr_an((char *)buffer->data, cbEntry)); hr = PropertyStorage_StoreNameWithId(This, (char *)buffer->data + offset, This->codePage, propid); /* Unicode entries are padded to DWORD boundaries */ if (This->codePage == CP_UNICODE) cbEntry = ALIGNED_LENGTH(cbEntry * sizeof(WCHAR), 3); offset += cbEntry; } return hr; } static HRESULT PropertyStorage_ReadFromStream(PropertyStorage_impl *This) { struct read_buffer read_buffer; PROPERTYSETHEADER hdr; FORMATIDOFFSET fmtOffset; PROPERTYSECTIONHEADER sectionHdr; LARGE_INTEGER seek; ULONG i; STATSTG stat; HRESULT hr; BYTE *buf = NULL; ULONG count = 0; DWORD dictOffset = 0; This->dirty = FALSE; This->highestProp = 0; hr = IStream_Stat(This->stm, &stat, STATFLAG_NONAME); if (FAILED(hr)) goto end; if (stat.cbSize.u.HighPart) { WARN("stream too big\n"); /* maximum size varies, but it can't be this big */ hr = STG_E_INVALIDHEADER; goto end; } if (stat.cbSize.u.LowPart == 0) { /* empty stream is okay */ hr = S_OK; goto end; } else if (stat.cbSize.u.LowPart < sizeof(PROPERTYSETHEADER) + sizeof(FORMATIDOFFSET)) { WARN("stream too small\n"); hr = STG_E_INVALIDHEADER; goto end; } seek.QuadPart = 0; hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto end; hr = PropertyStorage_ReadHeaderFromStream(This->stm, &hdr); /* I've only seen reserved == 1, but the article says I shouldn't disallow * higher values. */ if (hdr.wByteOrder != PROPSETHDR_BYTEORDER_MAGIC || hdr.reserved < 1) { WARN("bad magic in prop set header\n"); hr = STG_E_INVALIDHEADER; goto end; } if (hdr.wFormat != 0 && hdr.wFormat != 1) { WARN("bad format version %d\n", hdr.wFormat); hr = STG_E_INVALIDHEADER; goto end; } This->format = hdr.wFormat; This->clsid = hdr.clsid; This->originatorOS = hdr.dwOSVer; if (PROPSETHDR_OSVER_KIND(hdr.dwOSVer) == PROPSETHDR_OSVER_KIND_MAC) WARN("File comes from a Mac, strings will probably be screwed up\n"); hr = PropertyStorage_ReadFmtIdOffsetFromStream(This->stm, &fmtOffset); if (FAILED(hr)) goto end; if (fmtOffset.dwOffset > stat.cbSize.u.LowPart) { WARN("invalid offset %d (stream length is %d)\n", fmtOffset.dwOffset, stat.cbSize.u.LowPart); hr = STG_E_INVALIDHEADER; goto end; } /* wackiness alert: if the format ID is FMTID_DocSummaryInformation, there * follows not one, but two sections. The first contains the standard properties * for the document summary information, and the second consists of user-defined * properties. This is the only case in which multiple sections are * allowed. * Reading the second stream isn't implemented yet. */ hr = PropertyStorage_ReadSectionHeaderFromStream(This->stm, §ionHdr); if (FAILED(hr)) goto end; /* The section size includes the section header, so check it */ if (sectionHdr.cbSection < sizeof(PROPERTYSECTIONHEADER)) { WARN("section header too small, got %d\n", sectionHdr.cbSection); hr = STG_E_INVALIDHEADER; goto end; } buf = HeapAlloc(GetProcessHeap(), 0, sectionHdr.cbSection - sizeof(PROPERTYSECTIONHEADER)); if (!buf) { hr = STG_E_INSUFFICIENTMEMORY; goto end; } read_buffer.data = buf; read_buffer.size = sectionHdr.cbSection - sizeof(sectionHdr); hr = IStream_Read(This->stm, read_buffer.data, read_buffer.size, &count); if (FAILED(hr)) goto end; TRACE("Reading %d properties:\n", sectionHdr.cProperties); for (i = 0; SUCCEEDED(hr) && i < sectionHdr.cProperties; i++) { PROPERTYIDOFFSET *idOffset = (PROPERTYIDOFFSET *)(read_buffer.data + i * sizeof(PROPERTYIDOFFSET)); if (idOffset->dwOffset < sizeof(PROPERTYSECTIONHEADER) || idOffset->dwOffset > sectionHdr.cbSection - sizeof(DWORD)) hr = STG_E_INVALIDPOINTER; else { if (idOffset->propid >= PID_FIRST_USABLE && idOffset->propid < PID_MIN_READONLY && idOffset->propid > This->highestProp) This->highestProp = idOffset->propid; if (idOffset->propid == PID_DICTIONARY) { /* Don't read the dictionary yet, its entries depend on the * code page. Just store the offset so we know to read it * later. */ dictOffset = idOffset->dwOffset; TRACE("Dictionary offset is %d\n", dictOffset); } else { PROPVARIANT prop; PropVariantInit(&prop); if (SUCCEEDED(PropertyStorage_ReadProperty(&prop, &read_buffer, idOffset->dwOffset - sizeof(PROPERTYSECTIONHEADER), This->codePage, Allocate_CoTaskMemAlloc, NULL))) { TRACE("Read property with ID 0x%08x, type %d\n", idOffset->propid, prop.vt); switch(idOffset->propid) { case PID_CODEPAGE: if (prop.vt == VT_I2) This->codePage = (UINT)prop.iVal; break; case PID_LOCALE: if (prop.vt == VT_I4) This->locale = (LCID)prop.lVal; break; case PID_BEHAVIOR: if (prop.vt == VT_I4 && prop.lVal) This->grfFlags |= PROPSETFLAG_CASE_SENSITIVE; /* The format should already be 1, but just in case */ This->format = 1; break; default: hr = PropertyStorage_StorePropWithId(This, idOffset->propid, &prop, This->codePage); } } PropVariantClear(&prop); } } } if (!This->codePage) { /* default to Unicode unless told not to, as specified on msdn */ if (This->grfFlags & PROPSETFLAG_ANSI) This->codePage = GetACP(); else This->codePage = CP_UNICODE; } if (!This->locale) This->locale = LOCALE_SYSTEM_DEFAULT; TRACE("Code page is %d, locale is %d\n", This->codePage, This->locale); if (dictOffset) hr = PropertyStorage_ReadDictionary(This, &read_buffer, dictOffset - sizeof(PROPERTYSECTIONHEADER)); end: HeapFree(GetProcessHeap(), 0, buf); if (FAILED(hr)) { dictionary_destroy(This->name_to_propid); This->name_to_propid = NULL; dictionary_destroy(This->propid_to_name); This->propid_to_name = NULL; dictionary_destroy(This->propid_to_prop); This->propid_to_prop = NULL; } return hr; } static void PropertyStorage_MakeHeader(PropertyStorage_impl *This, PROPERTYSETHEADER *hdr) { assert(hdr); StorageUtl_WriteWord(&hdr->wByteOrder, 0, PROPSETHDR_BYTEORDER_MAGIC); StorageUtl_WriteWord(&hdr->wFormat, 0, This->format); StorageUtl_WriteDWord(&hdr->dwOSVer, 0, This->originatorOS); StorageUtl_WriteGUID(&hdr->clsid, 0, &This->clsid); StorageUtl_WriteDWord(&hdr->reserved, 0, 1); } static void PropertyStorage_MakeFmtIdOffset(PropertyStorage_impl *This, FORMATIDOFFSET *fmtOffset) { assert(fmtOffset); StorageUtl_WriteGUID(fmtOffset, 0, &This->fmtid); StorageUtl_WriteDWord(fmtOffset, offsetof(FORMATIDOFFSET, dwOffset), sizeof(PROPERTYSETHEADER) + sizeof(FORMATIDOFFSET)); } static void PropertyStorage_MakeSectionHdr(DWORD cbSection, DWORD numProps, PROPERTYSECTIONHEADER *hdr) { assert(hdr); StorageUtl_WriteDWord(hdr, 0, cbSection); StorageUtl_WriteDWord(hdr, offsetof(PROPERTYSECTIONHEADER, cProperties), numProps); } static void PropertyStorage_MakePropertyIdOffset(DWORD propid, DWORD dwOffset, PROPERTYIDOFFSET *propIdOffset) { assert(propIdOffset); StorageUtl_WriteDWord(propIdOffset, 0, propid); StorageUtl_WriteDWord(propIdOffset, offsetof(PROPERTYIDOFFSET, dwOffset), dwOffset); } static inline HRESULT PropertyStorage_WriteWStringToStream(IStream *stm, LPCWSTR str, DWORD len, DWORD *written) { #ifdef WORDS_BIGENDIAN WCHAR *leStr = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); HRESULT hr; if (!leStr) return E_OUTOFMEMORY; memcpy(leStr, str, len * sizeof(WCHAR)); PropertyStorage_ByteSwapString(leStr, len); hr = IStream_Write(stm, leStr, len, written); HeapFree(GetProcessHeap(), 0, leStr); return hr; #else return IStream_Write(stm, str, len * sizeof(WCHAR), written); #endif } struct DictionaryClosure { HRESULT hr; DWORD bytesWritten; }; static BOOL PropertyStorage_DictionaryWriter(const void *key, const void *value, void *extra, void *closure) { PropertyStorage_impl *This = extra; struct DictionaryClosure *c = closure; DWORD propid, keyLen; ULONG count; assert(key); assert(closure); StorageUtl_WriteDWord(&propid, 0, PtrToUlong(value)); c->hr = IStream_Write(This->stm, &propid, sizeof(propid), &count); if (FAILED(c->hr)) goto end; c->bytesWritten += sizeof(DWORD); if (This->codePage == CP_UNICODE) { DWORD pad = 0, pad_len; StorageUtl_WriteDWord(&keyLen, 0, lstrlenW((LPCWSTR)key) + 1); c->hr = IStream_Write(This->stm, &keyLen, sizeof(keyLen), &count); if (FAILED(c->hr)) goto end; c->bytesWritten += sizeof(DWORD); c->hr = PropertyStorage_WriteWStringToStream(This->stm, key, keyLen, &count); if (FAILED(c->hr)) goto end; keyLen *= sizeof(WCHAR); c->bytesWritten += keyLen; /* Align to 4 bytes. */ pad_len = sizeof(DWORD) - keyLen % sizeof(DWORD); if (pad_len) { c->hr = IStream_Write(This->stm, &pad, pad_len, &count); if (FAILED(c->hr)) goto end; c->bytesWritten += pad_len; } } else { StorageUtl_WriteDWord(&keyLen, 0, strlen((LPCSTR)key) + 1); c->hr = IStream_Write(This->stm, &keyLen, sizeof(keyLen), &count); if (FAILED(c->hr)) goto end; c->bytesWritten += sizeof(DWORD); c->hr = IStream_Write(This->stm, key, keyLen, &count); if (FAILED(c->hr)) goto end; c->bytesWritten += keyLen; } end: return SUCCEEDED(c->hr); } #define SECTIONHEADER_OFFSET sizeof(PROPERTYSETHEADER) + sizeof(FORMATIDOFFSET) /* Writes the dictionary to the stream. Assumes without checking that the * dictionary isn't empty. */ static HRESULT PropertyStorage_WriteDictionaryToStream( PropertyStorage_impl *This, DWORD *sectionOffset) { HRESULT hr; LARGE_INTEGER seek; PROPERTYIDOFFSET propIdOffset; ULONG count; DWORD dwTemp; struct DictionaryClosure closure; assert(sectionOffset); /* The dictionary's always the first property written, so seek to its * spot. */ seek.QuadPart = SECTIONHEADER_OFFSET + sizeof(PROPERTYSECTIONHEADER); hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto end; PropertyStorage_MakePropertyIdOffset(PID_DICTIONARY, *sectionOffset, &propIdOffset); hr = IStream_Write(This->stm, &propIdOffset, sizeof(propIdOffset), &count); if (FAILED(hr)) goto end; seek.QuadPart = SECTIONHEADER_OFFSET + *sectionOffset; hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto end; StorageUtl_WriteDWord(&dwTemp, 0, dictionary_num_entries(This->name_to_propid)); hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); if (FAILED(hr)) goto end; *sectionOffset += sizeof(dwTemp); closure.hr = S_OK; closure.bytesWritten = 0; dictionary_enumerate(This->name_to_propid, PropertyStorage_DictionaryWriter, &closure); hr = closure.hr; if (FAILED(hr)) goto end; *sectionOffset += closure.bytesWritten; if (closure.bytesWritten % sizeof(DWORD)) { DWORD padding = sizeof(DWORD) - closure.bytesWritten % sizeof(DWORD); TRACE("adding %d bytes of padding\n", padding); *sectionOffset += padding; } end: return hr; } static HRESULT PropertyStorage_WritePropertyToStream(PropertyStorage_impl *This, DWORD propNum, DWORD propid, const PROPVARIANT *var, DWORD *sectionOffset) { DWORD len, dwType, dwTemp, bytesWritten; HRESULT hr; LARGE_INTEGER seek; PROPERTYIDOFFSET propIdOffset; ULARGE_INTEGER ularge; ULONG count; assert(var); assert(sectionOffset); TRACE("%p, %d, 0x%08x, (%d), (%d)\n", This, propNum, propid, var->vt, *sectionOffset); seek.QuadPart = SECTIONHEADER_OFFSET + sizeof(PROPERTYSECTIONHEADER) + propNum * sizeof(PROPERTYIDOFFSET); hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto end; PropertyStorage_MakePropertyIdOffset(propid, *sectionOffset, &propIdOffset); hr = IStream_Write(This->stm, &propIdOffset, sizeof(propIdOffset), &count); if (FAILED(hr)) goto end; seek.QuadPart = SECTIONHEADER_OFFSET + *sectionOffset; hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto end; StorageUtl_WriteDWord(&dwType, 0, var->vt); hr = IStream_Write(This->stm, &dwType, sizeof(dwType), &count); if (FAILED(hr)) goto end; *sectionOffset += sizeof(dwType); switch (var->vt) { case VT_EMPTY: case VT_NULL: bytesWritten = 0; break; case VT_I1: case VT_UI1: hr = IStream_Write(This->stm, &var->cVal, sizeof(var->cVal), &count); bytesWritten = count; break; case VT_I2: case VT_UI2: { WORD wTemp; StorageUtl_WriteWord(&wTemp, 0, var->iVal); hr = IStream_Write(This->stm, &wTemp, sizeof(wTemp), &count); bytesWritten = count; break; } case VT_I4: case VT_UI4: { StorageUtl_WriteDWord(&dwTemp, 0, var->lVal); hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); bytesWritten = count; break; } case VT_I8: case VT_UI8: { StorageUtl_WriteULargeInteger(&ularge, 0, &var->uhVal); hr = IStream_Write(This->stm, &ularge, sizeof(ularge), &bytesWritten); break; } case VT_LPSTR: { if (This->codePage == CP_UNICODE) len = (lstrlenW(var->pwszVal) + 1) * sizeof(WCHAR); else len = lstrlenA(var->pszVal) + 1; StorageUtl_WriteDWord(&dwTemp, 0, len); hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); if (FAILED(hr)) goto end; hr = IStream_Write(This->stm, var->pszVal, len, &count); bytesWritten = count + sizeof(DWORD); break; } case VT_BSTR: { if (This->codePage == CP_UNICODE) { len = SysStringByteLen(var->bstrVal) + sizeof(WCHAR); StorageUtl_WriteDWord(&dwTemp, 0, len); hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); if (SUCCEEDED(hr)) hr = IStream_Write(This->stm, var->bstrVal, len, &count); } else { char *str; len = WideCharToMultiByte(This->codePage, 0, var->bstrVal, SysStringLen(var->bstrVal) + 1, NULL, 0, NULL, NULL); str = heap_alloc(len); if (!str) { hr = E_OUTOFMEMORY; goto end; } WideCharToMultiByte(This->codePage, 0, var->bstrVal, SysStringLen(var->bstrVal), str, len, NULL, NULL); StorageUtl_WriteDWord(&dwTemp, 0, len); hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); if (SUCCEEDED(hr)) hr = IStream_Write(This->stm, str, len, &count); heap_free(str); } bytesWritten = count + sizeof(DWORD); break; } case VT_LPWSTR: { len = lstrlenW(var->pwszVal) + 1; StorageUtl_WriteDWord(&dwTemp, 0, len); hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); if (FAILED(hr)) goto end; hr = IStream_Write(This->stm, var->pwszVal, len * sizeof(WCHAR), &count); bytesWritten = count + sizeof(DWORD); break; } case VT_FILETIME: { FILETIME temp; StorageUtl_WriteULargeInteger(&temp, 0, (const ULARGE_INTEGER *)&var->filetime); hr = IStream_Write(This->stm, &temp, sizeof(temp), &count); bytesWritten = count; break; } case VT_CF: { DWORD cf_hdr[2]; len = var->pclipdata->cbSize; StorageUtl_WriteDWord(&cf_hdr[0], 0, len + 8); StorageUtl_WriteDWord(&cf_hdr[1], 0, var->pclipdata->ulClipFmt); hr = IStream_Write(This->stm, cf_hdr, sizeof(cf_hdr), &count); if (FAILED(hr)) goto end; hr = IStream_Write(This->stm, var->pclipdata->pClipData, len - sizeof(var->pclipdata->ulClipFmt), &count); if (FAILED(hr)) goto end; bytesWritten = count + sizeof cf_hdr; break; } case VT_CLSID: { CLSID temp; StorageUtl_WriteGUID(&temp, 0, var->puuid); hr = IStream_Write(This->stm, &temp, sizeof(temp), &count); bytesWritten = count; break; } default: FIXME("unsupported type: %d\n", var->vt); return STG_E_INVALIDPARAMETER; } if (SUCCEEDED(hr)) { *sectionOffset += bytesWritten; if (bytesWritten % sizeof(DWORD)) { DWORD padding = sizeof(DWORD) - bytesWritten % sizeof(DWORD); TRACE("adding %d bytes of padding\n", padding); *sectionOffset += padding; } } end: return hr; } struct PropertyClosure { HRESULT hr; DWORD propNum; DWORD *sectionOffset; }; static BOOL PropertyStorage_PropertiesWriter(const void *key, const void *value, void *extra, void *closure) { PropertyStorage_impl *This = extra; struct PropertyClosure *c = closure; assert(key); assert(value); assert(extra); assert(closure); c->hr = PropertyStorage_WritePropertyToStream(This, c->propNum++, PtrToUlong(key), value, c->sectionOffset); return SUCCEEDED(c->hr); } static HRESULT PropertyStorage_WritePropertiesToStream( PropertyStorage_impl *This, DWORD startingPropNum, DWORD *sectionOffset) { struct PropertyClosure closure; assert(sectionOffset); closure.hr = S_OK; closure.propNum = startingPropNum; closure.sectionOffset = sectionOffset; dictionary_enumerate(This->propid_to_prop, PropertyStorage_PropertiesWriter, &closure); return closure.hr; } static HRESULT PropertyStorage_WriteHeadersToStream(PropertyStorage_impl *This) { HRESULT hr; ULONG count = 0; LARGE_INTEGER seek = { {0} }; PROPERTYSETHEADER hdr; FORMATIDOFFSET fmtOffset; hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto end; PropertyStorage_MakeHeader(This, &hdr); hr = IStream_Write(This->stm, &hdr, sizeof(hdr), &count); if (FAILED(hr)) goto end; if (count != sizeof(hdr)) { hr = STG_E_WRITEFAULT; goto end; } PropertyStorage_MakeFmtIdOffset(This, &fmtOffset); hr = IStream_Write(This->stm, &fmtOffset, sizeof(fmtOffset), &count); if (FAILED(hr)) goto end; if (count != sizeof(fmtOffset)) { hr = STG_E_WRITEFAULT; goto end; } hr = S_OK; end: return hr; } static HRESULT PropertyStorage_WriteToStream(PropertyStorage_impl *This) { PROPERTYSECTIONHEADER sectionHdr; HRESULT hr; ULONG count; LARGE_INTEGER seek; DWORD numProps, prop, sectionOffset, dwTemp; PROPVARIANT var; PropertyStorage_WriteHeadersToStream(This); /* Count properties. Always at least one property, the code page */ numProps = 1; if (dictionary_num_entries(This->name_to_propid)) numProps++; if (This->locale != LOCALE_SYSTEM_DEFAULT) numProps++; if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE) numProps++; numProps += dictionary_num_entries(This->propid_to_prop); /* Write section header with 0 bytes right now, I'll adjust it after * writing properties. */ PropertyStorage_MakeSectionHdr(0, numProps, §ionHdr); seek.QuadPart = SECTIONHEADER_OFFSET; hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto end; hr = IStream_Write(This->stm, §ionHdr, sizeof(sectionHdr), &count); if (FAILED(hr)) goto end; prop = 0; sectionOffset = sizeof(PROPERTYSECTIONHEADER) + numProps * sizeof(PROPERTYIDOFFSET); if (dictionary_num_entries(This->name_to_propid)) { prop++; hr = PropertyStorage_WriteDictionaryToStream(This, §ionOffset); if (FAILED(hr)) goto end; } PropVariantInit(&var); var.vt = VT_I2; var.iVal = This->codePage; hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_CODEPAGE, &var, §ionOffset); if (FAILED(hr)) goto end; if (This->locale != LOCALE_SYSTEM_DEFAULT) { var.vt = VT_I4; var.lVal = This->locale; hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_LOCALE, &var, §ionOffset); if (FAILED(hr)) goto end; } if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE) { var.vt = VT_I4; var.lVal = 1; hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_BEHAVIOR, &var, §ionOffset); if (FAILED(hr)) goto end; } hr = PropertyStorage_WritePropertiesToStream(This, prop, §ionOffset); if (FAILED(hr)) goto end; /* Now write the byte count of the section */ seek.QuadPart = SECTIONHEADER_OFFSET; hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto end; StorageUtl_WriteDWord(&dwTemp, 0, sectionOffset); hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); end: return hr; } /*********************************************************************** * PropertyStorage_Construct */ static void PropertyStorage_DestroyDictionaries(PropertyStorage_impl *This) { dictionary_destroy(This->name_to_propid); This->name_to_propid = NULL; dictionary_destroy(This->propid_to_name); This->propid_to_name = NULL; dictionary_destroy(This->propid_to_prop); This->propid_to_prop = NULL; } static HRESULT PropertyStorage_CreateDictionaries(PropertyStorage_impl *This) { HRESULT hr = S_OK; This->name_to_propid = dictionary_create( PropertyStorage_PropNameCompare, PropertyStorage_PropNameDestroy, This); if (!This->name_to_propid) { hr = STG_E_INSUFFICIENTMEMORY; goto end; } This->propid_to_name = dictionary_create(PropertyStorage_PropCompare, NULL, This); if (!This->propid_to_name) { hr = STG_E_INSUFFICIENTMEMORY; goto end; } This->propid_to_prop = dictionary_create(PropertyStorage_PropCompare, PropertyStorage_PropertyDestroy, This); if (!This->propid_to_prop) { hr = STG_E_INSUFFICIENTMEMORY; goto end; } end: if (FAILED(hr)) PropertyStorage_DestroyDictionaries(This); return hr; } static HRESULT PropertyStorage_BaseConstruct(IStream *stm, REFFMTID rfmtid, DWORD grfMode, PropertyStorage_impl **pps) { HRESULT hr = S_OK; assert(pps); assert(rfmtid); *pps = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof **pps); if (!*pps) return E_OUTOFMEMORY; (*pps)->IPropertyStorage_iface.lpVtbl = &IPropertyStorage_Vtbl; (*pps)->ref = 1; InitializeCriticalSection(&(*pps)->cs); (*pps)->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PropertyStorage_impl.cs"); (*pps)->stm = stm; (*pps)->fmtid = *rfmtid; (*pps)->grfMode = grfMode; hr = PropertyStorage_CreateDictionaries(*pps); if (FAILED(hr)) { (*pps)->cs.DebugInfo->Spare[0] = 0; DeleteCriticalSection(&(*pps)->cs); HeapFree(GetProcessHeap(), 0, *pps); *pps = NULL; } else IStream_AddRef( stm ); return hr; } static HRESULT PropertyStorage_ConstructFromStream(IStream *stm, REFFMTID rfmtid, DWORD grfMode, IPropertyStorage** pps) { PropertyStorage_impl *ps; HRESULT hr; assert(pps); hr = PropertyStorage_BaseConstruct(stm, rfmtid, grfMode, &ps); if (SUCCEEDED(hr)) { hr = PropertyStorage_ReadFromStream(ps); if (SUCCEEDED(hr)) { *pps = &ps->IPropertyStorage_iface; TRACE("PropertyStorage %p constructed\n", ps); hr = S_OK; } else IPropertyStorage_Release( &ps->IPropertyStorage_iface ); } return hr; } static HRESULT PropertyStorage_ConstructEmpty(IStream *stm, REFFMTID rfmtid, DWORD grfFlags, DWORD grfMode, IPropertyStorage** pps) { PropertyStorage_impl *ps; HRESULT hr; assert(pps); hr = PropertyStorage_BaseConstruct(stm, rfmtid, grfMode, &ps); if (SUCCEEDED(hr)) { ps->format = 0; ps->grfFlags = grfFlags; if (ps->grfFlags & PROPSETFLAG_CASE_SENSITIVE) ps->format = 1; /* default to Unicode unless told not to, as specified on msdn */ if (ps->grfFlags & PROPSETFLAG_ANSI) ps->codePage = GetACP(); else ps->codePage = CP_UNICODE; ps->locale = LOCALE_SYSTEM_DEFAULT; TRACE("Code page is %d, locale is %d\n", ps->codePage, ps->locale); *pps = &ps->IPropertyStorage_iface; TRACE("PropertyStorage %p constructed\n", ps); hr = S_OK; } return hr; } /*********************************************************************** * Implementation of IPropertySetStorage */ struct enum_stat_propset_stg { IEnumSTATPROPSETSTG IEnumSTATPROPSETSTG_iface; LONG refcount; STATPROPSETSTG *stats; size_t current; size_t count; }; static struct enum_stat_propset_stg *impl_from_IEnumSTATPROPSETSTG(IEnumSTATPROPSETSTG *iface) { return CONTAINING_RECORD(iface, struct enum_stat_propset_stg, IEnumSTATPROPSETSTG_iface); } static HRESULT WINAPI enum_stat_propset_stg_QueryInterface(IEnumSTATPROPSETSTG *iface, REFIID riid, void **obj) { TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj); if (IsEqualIID(riid, &IID_IEnumSTATPROPSETSTG) || IsEqualIID(riid, &IID_IUnknown)) { *obj = iface; IEnumSTATPROPSETSTG_AddRef(iface); return S_OK; } WARN("Unsupported interface %s.\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI enum_stat_propset_stg_AddRef(IEnumSTATPROPSETSTG *iface) { struct enum_stat_propset_stg *psenum = impl_from_IEnumSTATPROPSETSTG(iface); LONG refcount = InterlockedIncrement(&psenum->refcount); TRACE("%p, refcount %u.\n", iface, refcount); return refcount; } static ULONG WINAPI enum_stat_propset_stg_Release(IEnumSTATPROPSETSTG *iface) { struct enum_stat_propset_stg *psenum = impl_from_IEnumSTATPROPSETSTG(iface); LONG refcount = InterlockedDecrement(&psenum->refcount); TRACE("%p, refcount %u.\n", iface, refcount); if (!refcount) { heap_free(psenum->stats); heap_free(psenum); } return refcount; } static HRESULT WINAPI enum_stat_propset_stg_Next(IEnumSTATPROPSETSTG *iface, ULONG celt, STATPROPSETSTG *ret, ULONG *fetched) { struct enum_stat_propset_stg *psenum = impl_from_IEnumSTATPROPSETSTG(iface); ULONG count = 0; TRACE("%p, %u, %p, %p.\n", iface, celt, ret, fetched); if (psenum->current == ~0u) psenum->current = 0; while (count < celt && psenum->current < psenum->count) ret[count++] = psenum->stats[psenum->current++]; if (fetched) *fetched = count; return count < celt ? S_FALSE : S_OK; } static HRESULT WINAPI enum_stat_propset_stg_Skip(IEnumSTATPROPSETSTG *iface, ULONG celt) { FIXME("%p, %u.\n", iface, celt); return S_OK; } static HRESULT WINAPI enum_stat_propset_stg_Reset(IEnumSTATPROPSETSTG *iface) { struct enum_stat_propset_stg *psenum = impl_from_IEnumSTATPROPSETSTG(iface); TRACE("%p.\n", iface); psenum->current = ~0u; return S_OK; } static HRESULT WINAPI enum_stat_propset_stg_Clone(IEnumSTATPROPSETSTG *iface, IEnumSTATPROPSETSTG **ppenum) { FIXME("%p, %p.\n", iface, ppenum); return E_NOTIMPL; } static const IEnumSTATPROPSETSTGVtbl enum_stat_propset_stg_vtbl = { enum_stat_propset_stg_QueryInterface, enum_stat_propset_stg_AddRef, enum_stat_propset_stg_Release, enum_stat_propset_stg_Next, enum_stat_propset_stg_Skip, enum_stat_propset_stg_Reset, enum_stat_propset_stg_Clone, }; static HRESULT create_enum_stat_propset_stg(StorageImpl *storage, IEnumSTATPROPSETSTG **ret) { IStorage *stg = &storage->base.IStorage_iface; IEnumSTATSTG *penum = NULL; STATSTG stat; ULONG count; HRESULT hr; struct enum_stat_propset_stg *enum_obj; enum_obj = heap_alloc_zero(sizeof(*enum_obj)); if (!enum_obj) return E_OUTOFMEMORY; enum_obj->IEnumSTATPROPSETSTG_iface.lpVtbl = &enum_stat_propset_stg_vtbl; enum_obj->refcount = 1; /* add all the property set elements into a list */ hr = IStorage_EnumElements(stg, 0, NULL, 0, &penum); if (FAILED(hr)) goto done; /* Allocate stats array and fill it. */ while ((hr = IEnumSTATSTG_Next(penum, 1, &stat, &count)) == S_OK) { enum_obj->count++; CoTaskMemFree(stat.pwcsName); } if (FAILED(hr)) goto done; enum_obj->stats = heap_alloc(enum_obj->count * sizeof(*enum_obj->stats)); if (!enum_obj->stats) { hr = E_OUTOFMEMORY; goto done; } enum_obj->count = 0; if (FAILED(hr = IEnumSTATSTG_Reset(penum))) goto done; while (IEnumSTATSTG_Next(penum, 1, &stat, &count) == S_OK) { if (!stat.pwcsName) continue; if (stat.pwcsName[0] == 5 && stat.type == STGTY_STREAM) { STATPROPSETSTG *ptr = &enum_obj->stats[enum_obj->count++]; PropStgNameToFmtId(stat.pwcsName, &ptr->fmtid); TRACE("adding %s - %s.\n", debugstr_w(stat.pwcsName), debugstr_guid(&ptr->fmtid)); ptr->mtime = stat.mtime; ptr->atime = stat.atime; ptr->ctime = stat.ctime; ptr->grfFlags = stat.grfMode; ptr->clsid = stat.clsid; } CoTaskMemFree(stat.pwcsName); } done: if (penum) IEnumSTATSTG_Release(penum); if (SUCCEEDED(hr)) { *ret = &enum_obj->IEnumSTATPROPSETSTG_iface; } else { *ret = NULL; IEnumSTATPROPSETSTG_Release(&enum_obj->IEnumSTATPROPSETSTG_iface); } return hr; } /************************************************************************ * IPropertySetStorage_fnQueryInterface (IUnknown) * * This method forwards to the common QueryInterface implementation */ static HRESULT WINAPI IPropertySetStorage_fnQueryInterface( IPropertySetStorage *ppstg, REFIID riid, void** ppvObject) { StorageImpl *This = impl_from_IPropertySetStorage(ppstg); return IStorage_QueryInterface( &This->base.IStorage_iface, riid, ppvObject ); } /************************************************************************ * IPropertySetStorage_fnAddRef (IUnknown) * * This method forwards to the common AddRef implementation */ static ULONG WINAPI IPropertySetStorage_fnAddRef( IPropertySetStorage *ppstg) { StorageImpl *This = impl_from_IPropertySetStorage(ppstg); return IStorage_AddRef( &This->base.IStorage_iface ); } /************************************************************************ * IPropertySetStorage_fnRelease (IUnknown) * * This method forwards to the common Release implementation */ static ULONG WINAPI IPropertySetStorage_fnRelease( IPropertySetStorage *ppstg) { StorageImpl *This = impl_from_IPropertySetStorage(ppstg); return IStorage_Release( &This->base.IStorage_iface ); } /************************************************************************ * IPropertySetStorage_fnCreate (IPropertySetStorage) */ static HRESULT WINAPI IPropertySetStorage_fnCreate( IPropertySetStorage *ppstg, REFFMTID rfmtid, const CLSID* pclsid, DWORD grfFlags, DWORD grfMode, IPropertyStorage** ppprstg) { StorageImpl *This = impl_from_IPropertySetStorage(ppstg); WCHAR name[CCH_MAX_PROPSTG_NAME + 1]; IStream *stm = NULL; HRESULT r; TRACE("%p %s %08x %08x %p\n", This, debugstr_guid(rfmtid), grfFlags, grfMode, ppprstg); /* be picky */ if (grfMode != (STGM_CREATE|STGM_READWRITE|STGM_SHARE_EXCLUSIVE)) { r = STG_E_INVALIDFLAG; goto end; } if (!rfmtid) { r = E_INVALIDARG; goto end; } /* FIXME: if (grfFlags & PROPSETFLAG_NONSIMPLE), we need to create a * storage, not a stream. For now, disallow it. */ if (grfFlags & PROPSETFLAG_NONSIMPLE) { FIXME("PROPSETFLAG_NONSIMPLE not supported\n"); r = STG_E_INVALIDFLAG; goto end; } r = FmtIdToPropStgName(rfmtid, name); if (FAILED(r)) goto end; r = IStorage_CreateStream( &This->base.IStorage_iface, name, grfMode, 0, 0, &stm ); if (FAILED(r)) goto end; r = PropertyStorage_ConstructEmpty(stm, rfmtid, grfFlags, grfMode, ppprstg); IStream_Release( stm ); end: TRACE("returning 0x%08x\n", r); return r; } /************************************************************************ * IPropertySetStorage_fnOpen (IPropertySetStorage) */ static HRESULT WINAPI IPropertySetStorage_fnOpen( IPropertySetStorage *ppstg, REFFMTID rfmtid, DWORD grfMode, IPropertyStorage** ppprstg) { StorageImpl *This = impl_from_IPropertySetStorage(ppstg); IStream *stm = NULL; WCHAR name[CCH_MAX_PROPSTG_NAME + 1]; HRESULT r; TRACE("%p %s %08x %p\n", This, debugstr_guid(rfmtid), grfMode, ppprstg); /* be picky */ if (grfMode != (STGM_READWRITE|STGM_SHARE_EXCLUSIVE) && grfMode != (STGM_READ|STGM_SHARE_EXCLUSIVE)) { r = STG_E_INVALIDFLAG; goto end; } if (!rfmtid) { r = E_INVALIDARG; goto end; } r = FmtIdToPropStgName(rfmtid, name); if (FAILED(r)) goto end; r = IStorage_OpenStream( &This->base.IStorage_iface, name, 0, grfMode, 0, &stm ); if (FAILED(r)) goto end; r = PropertyStorage_ConstructFromStream(stm, rfmtid, grfMode, ppprstg); IStream_Release( stm ); end: TRACE("returning 0x%08x\n", r); return r; } /************************************************************************ * IPropertySetStorage_fnDelete (IPropertySetStorage) */ static HRESULT WINAPI IPropertySetStorage_fnDelete( IPropertySetStorage *ppstg, REFFMTID rfmtid) { StorageImpl *This = impl_from_IPropertySetStorage(ppstg); WCHAR name[CCH_MAX_PROPSTG_NAME + 1]; HRESULT r; TRACE("%p %s\n", This, debugstr_guid(rfmtid)); if (!rfmtid) return E_INVALIDARG; r = FmtIdToPropStgName(rfmtid, name); if (FAILED(r)) return r; return IStorage_DestroyElement(&This->base.IStorage_iface, name); } static HRESULT WINAPI IPropertySetStorage_fnEnum(IPropertySetStorage *iface, IEnumSTATPROPSETSTG **enum_obj) { StorageImpl *storage = impl_from_IPropertySetStorage(iface); TRACE("%p, %p.\n", iface, enum_obj); if (!enum_obj) return E_INVALIDARG; return create_enum_stat_propset_stg(storage, enum_obj); } /*********************************************************************** * vtables */ const IPropertySetStorageVtbl IPropertySetStorage_Vtbl = { IPropertySetStorage_fnQueryInterface, IPropertySetStorage_fnAddRef, IPropertySetStorage_fnRelease, IPropertySetStorage_fnCreate, IPropertySetStorage_fnOpen, IPropertySetStorage_fnDelete, IPropertySetStorage_fnEnum }; static const IPropertyStorageVtbl IPropertyStorage_Vtbl = { IPropertyStorage_fnQueryInterface, IPropertyStorage_fnAddRef, IPropertyStorage_fnRelease, IPropertyStorage_fnReadMultiple, IPropertyStorage_fnWriteMultiple, IPropertyStorage_fnDeleteMultiple, IPropertyStorage_fnReadPropertyNames, IPropertyStorage_fnWritePropertyNames, IPropertyStorage_fnDeletePropertyNames, IPropertyStorage_fnCommit, IPropertyStorage_fnRevert, IPropertyStorage_fnEnum, IPropertyStorage_fnSetTimes, IPropertyStorage_fnSetClass, IPropertyStorage_fnStat, }; /*********************************************************************** * Format ID <-> name conversion */ static const WCHAR szSummaryInfo[] = L"\5SummaryInformation"; static const WCHAR szDocSummaryInfo[] = L"\5DocumentSummaryInformation"; #define BITS_PER_BYTE 8 #define CHARMASK 0x1f #define BITS_IN_CHARMASK 5 #define NUM_ALPHA_CHARS 26 /*********************************************************************** * FmtIdToPropStgName [ole32.@] * Returns the storage name of the format ID rfmtid. * PARAMS * rfmtid [I] Format ID for which to return a storage name * str [O] Storage name associated with rfmtid. * * RETURNS * E_INVALIDARG if rfmtid or str i NULL, S_OK otherwise. * * NOTES * str must be at least CCH_MAX_PROPSTG_NAME characters in length. */ HRESULT WINAPI FmtIdToPropStgName(const FMTID *rfmtid, LPOLESTR str) { static const char fmtMap[] = "abcdefghijklmnopqrstuvwxyz012345"; TRACE("%s, %p\n", debugstr_guid(rfmtid), str); if (!rfmtid) return E_INVALIDARG; if (!str) return E_INVALIDARG; if (IsEqualGUID(&FMTID_SummaryInformation, rfmtid)) lstrcpyW(str, szSummaryInfo); else if (IsEqualGUID(&FMTID_DocSummaryInformation, rfmtid)) lstrcpyW(str, szDocSummaryInfo); else if (IsEqualGUID(&FMTID_UserDefinedProperties, rfmtid)) lstrcpyW(str, szDocSummaryInfo); else { const BYTE *fmtptr; WCHAR *pstr = str; ULONG bitsRemaining = BITS_PER_BYTE; *pstr++ = 5; for (fmtptr = (const BYTE *)rfmtid; fmtptr < (const BYTE *)rfmtid + sizeof(FMTID); ) { ULONG i = *fmtptr >> (BITS_PER_BYTE - bitsRemaining); if (bitsRemaining >= BITS_IN_CHARMASK) { *pstr = (WCHAR)(fmtMap[i & CHARMASK]); if (bitsRemaining == BITS_PER_BYTE && *pstr >= 'a' && *pstr <= 'z') *pstr += 'A' - 'a'; pstr++; bitsRemaining -= BITS_IN_CHARMASK; if (bitsRemaining == 0) { fmtptr++; bitsRemaining = BITS_PER_BYTE; } } else { if (++fmtptr < (const BYTE *)rfmtid + sizeof(FMTID)) i |= *fmtptr << bitsRemaining; *pstr++ = (WCHAR)(fmtMap[i & CHARMASK]); bitsRemaining += BITS_PER_BYTE - BITS_IN_CHARMASK; } } *pstr = 0; } TRACE("returning %s\n", debugstr_w(str)); return S_OK; } /*********************************************************************** * PropStgNameToFmtId [ole32.@] * Returns the format ID corresponding to the given name. * PARAMS * str [I] Storage name to convert to a format ID. * rfmtid [O] Format ID corresponding to str. * * RETURNS * E_INVALIDARG if rfmtid or str is NULL or if str can't be converted to * a format ID, S_OK otherwise. */ HRESULT WINAPI PropStgNameToFmtId(const LPOLESTR str, FMTID *rfmtid) { HRESULT hr = STG_E_INVALIDNAME; TRACE("%s, %p\n", debugstr_w(str), rfmtid); if (!rfmtid) return E_INVALIDARG; if (!str) return STG_E_INVALIDNAME; if (!lstrcmpiW(str, szDocSummaryInfo)) { *rfmtid = FMTID_DocSummaryInformation; hr = S_OK; } else if (!lstrcmpiW(str, szSummaryInfo)) { *rfmtid = FMTID_SummaryInformation; hr = S_OK; } else { ULONG bits; BYTE *fmtptr = (BYTE *)rfmtid - 1; const WCHAR *pstr = str; memset(rfmtid, 0, sizeof(*rfmtid)); for (bits = 0; bits < sizeof(FMTID) * BITS_PER_BYTE; bits += BITS_IN_CHARMASK) { ULONG bitsUsed = bits % BITS_PER_BYTE, bitsStored; WCHAR wc; if (bitsUsed == 0) fmtptr++; wc = *++pstr - 'A'; if (wc > NUM_ALPHA_CHARS) { wc += 'A' - 'a'; if (wc > NUM_ALPHA_CHARS) { wc += 'a' - '0' + NUM_ALPHA_CHARS; if (wc > CHARMASK) { WARN("invalid character (%d)\n", *pstr); goto end; } } } *fmtptr |= wc << bitsUsed; bitsStored = min(BITS_PER_BYTE - bitsUsed, BITS_IN_CHARMASK); if (bitsStored < BITS_IN_CHARMASK) { wc >>= BITS_PER_BYTE - bitsUsed; if (bits + bitsStored == sizeof(FMTID) * BITS_PER_BYTE) { if (wc != 0) { WARN("extra bits\n"); goto end; } break; } fmtptr++; *fmtptr |= (BYTE)wc; } } hr = S_OK; } end: return hr; } #ifdef __i386__ /* thiscall functions are i386-specific */ #define DEFINE_STDCALL_WRAPPER(num,func,args) \ __ASM_STDCALL_FUNC(func, args, \ "popl %eax\n\t" \ "popl %ecx\n\t" \ "pushl %eax\n\t" \ "movl (%ecx), %eax\n\t" \ "jmp *(4*(" #num "))(%eax)" ) DEFINE_STDCALL_WRAPPER(0,Allocate_PMemoryAllocator,8) extern void* WINAPI Allocate_PMemoryAllocator(void *this, ULONG cbSize); #else static void* WINAPI Allocate_PMemoryAllocator(void *this, ULONG cbSize) { void* (WINAPI *fn)(void*,ULONG) = **(void***)this; return fn(this, cbSize); } #endif BOOLEAN WINAPI StgConvertPropertyToVariant(const SERIALIZEDPROPERTYVALUE* prop, USHORT CodePage, PROPVARIANT* pvar, void* pma) { struct read_buffer read_buffer; HRESULT hr; read_buffer.data = (BYTE *)prop; read_buffer.size = ~(size_t)0; hr = PropertyStorage_ReadProperty(pvar, &read_buffer, 0, CodePage, Allocate_PMemoryAllocator, pma); if (FAILED(hr)) { FIXME("should raise C++ exception on failure\n"); PropVariantInit(pvar); } return FALSE; } SERIALIZEDPROPERTYVALUE* WINAPI StgConvertVariantToProperty(const PROPVARIANT *pvar, USHORT CodePage, SERIALIZEDPROPERTYVALUE *pprop, ULONG *pcb, PROPID pid, BOOLEAN fReserved, ULONG *pcIndirect) { FIXME("%p,%d,%p,%p,%d,%d,%p\n", pvar, CodePage, pprop, pcb, pid, fReserved, pcIndirect); return NULL; } HRESULT WINAPI StgCreatePropStg(IUnknown *unk, REFFMTID fmt, const CLSID *clsid, DWORD flags, DWORD reserved, IPropertyStorage **prop_stg) { IStorage *stg; IStream *stm; HRESULT r; TRACE("%p %s %s %08x %d %p\n", unk, debugstr_guid(fmt), debugstr_guid(clsid), flags, reserved, prop_stg); if (!fmt || reserved) { r = E_INVALIDARG; goto end; } if (flags & PROPSETFLAG_NONSIMPLE) { r = IUnknown_QueryInterface(unk, &IID_IStorage, (void **)&stg); if (FAILED(r)) goto end; /* FIXME: if (flags & PROPSETFLAG_NONSIMPLE), we need to create a * storage, not a stream. For now, disallow it. */ FIXME("PROPSETFLAG_NONSIMPLE not supported\n"); IStorage_Release(stg); r = STG_E_INVALIDFLAG; } else { r = IUnknown_QueryInterface(unk, &IID_IStream, (void **)&stm); if (FAILED(r)) goto end; r = PropertyStorage_ConstructEmpty(stm, fmt, flags, STGM_CREATE|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, prop_stg); IStream_Release( stm ); } end: TRACE("returning 0x%08x\n", r); return r; } HRESULT WINAPI StgOpenPropStg(IUnknown *unk, REFFMTID fmt, DWORD flags, DWORD reserved, IPropertyStorage **prop_stg) { IStorage *stg; IStream *stm; HRESULT r; TRACE("%p %s %08x %d %p\n", unk, debugstr_guid(fmt), flags, reserved, prop_stg); if (!fmt || reserved) { r = E_INVALIDARG; goto end; } if (flags & PROPSETFLAG_NONSIMPLE) { r = IUnknown_QueryInterface(unk, &IID_IStorage, (void **)&stg); if (FAILED(r)) goto end; /* FIXME: if (flags & PROPSETFLAG_NONSIMPLE), we need to open a * storage, not a stream. For now, disallow it. */ FIXME("PROPSETFLAG_NONSIMPLE not supported\n"); IStorage_Release(stg); r = STG_E_INVALIDFLAG; } else { r = IUnknown_QueryInterface(unk, &IID_IStream, (void **)&stm); if (FAILED(r)) goto end; r = PropertyStorage_ConstructFromStream(stm, fmt, STGM_READWRITE|STGM_SHARE_EXCLUSIVE, prop_stg); IStream_Release( stm ); } end: TRACE("returning 0x%08x\n", r); return r; }