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Test and fix grfMode handling in StgOpenDocfile.

This commit is contained in:
Mike McCormack 2005-03-05 10:48:11 +00:00 committed by Alexandre Julliard
parent 6cef9c09c2
commit a7609ee155
2 changed files with 179 additions and 118 deletions
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232
dlls/ole32/storage32.c
View File

@ -8,6 +8,7 @@
* Copyright 1999 Francis Beaudet
* Copyright 1999 Sylvain St-Germain
* Copyright 1999 Thuy Nguyen
* Copyright 2005 Mike McCormack
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -51,7 +52,13 @@ WINE_DEFAULT_DEBUG_CHANNEL(storage);
#define FILE_BEGIN 0
#define STGM_SHARE_MODE(stgm) ((stgm)&0xf0)
#define STGM_ACCESS_MODE(stgm) ((stgm)&0x0000f)
#define STGM_SHARE_MODE(stgm) ((stgm)&0x000f0)
#define STGM_CREATE_MODE(stgm) ((stgm)&0x0f000)
#define STGM_KNOWN_FLAGS (0xf0ff | \
STGM_TRANSACTED | STGM_CONVERT | STGM_PRIORITY | STGM_NOSCRATCH | \
STGM_NOSNAPSHOT | STGM_DIRECT_SWMR | STGM_DELETEONRELEASE | STGM_SIMPLE)
/* Used for OleConvertIStorageToOLESTREAM and OleConvertOLESTREAMToIStorage */
#define OLESTREAM_ID 0x501
@ -391,7 +398,7 @@ HRESULT WINAPI StorageBaseImpl_OpenStream(
/*
* As documented.
*/
if ( !(grfMode & STGM_SHARE_EXCLUSIVE) ||
if ( STGM_SHARE_MODE(grfMode) != STGM_SHARE_EXCLUSIVE ||
(grfMode & STGM_DELETEONRELEASE) ||
(grfMode & STGM_TRANSACTED) )
{
@ -510,7 +517,7 @@ HRESULT WINAPI StorageBaseImpl_OpenStorage(
/*
* As documented.
*/
if ( !(grfMode & STGM_SHARE_EXCLUSIVE) ||
if ( STGM_SHARE_MODE(grfMode) != STGM_SHARE_EXCLUSIVE ||
(grfMode & STGM_DELETEONRELEASE) ||
(grfMode & STGM_PRIORITY) )
{
@ -892,7 +899,7 @@ HRESULT WINAPI StorageBaseImpl_CreateStream(
if ( FAILED( validateSTGM(grfMode) ))
return STG_E_INVALIDFLAG;
if ( !(grfMode & STGM_SHARE_EXCLUSIVE) )
if (STGM_SHARE_MODE(grfMode) != STGM_SHARE_EXCLUSIVE)
return STG_E_INVALIDFLAG;
/*
@ -924,7 +931,7 @@ HRESULT WINAPI StorageBaseImpl_CreateStream(
/*
* An element with this name already exists
*/
if (grfMode & STGM_CREATE)
if (STGM_CREATE_MODE(grfMode) == STGM_CREATE)
{
IStorage_DestroyElement(iface, pwcsName);
}
@ -1112,7 +1119,7 @@ HRESULT WINAPI StorageImpl_CreateStorage(
/*
* An element with this name already exists
*/
if (grfMode & STGM_CREATE)
if (STGM_CREATE_MODE(grfMode) == STGM_CREATE)
IStorage_DestroyElement(iface, pwcsName);
else
return STG_E_FILEALREADYEXISTS;
@ -5453,13 +5460,39 @@ HRESULT WINAPI StgCreateDocfile(
return STG_E_INVALIDFLAG;
/* StgCreateDocFile always opens for write */
if (!(grfMode & (STGM_WRITE|STGM_READWRITE)))
switch(STGM_ACCESS_MODE(grfMode))
{
case STGM_WRITE:
case STGM_READWRITE:
break;
default:
return STG_E_INVALIDFLAG;
}
/* can't share write */
switch(STGM_SHARE_MODE(grfMode))
{
case STGM_SHARE_EXCLUSIVE:
case STGM_SHARE_DENY_WRITE:
break;
default:
return STG_E_INVALIDFLAG;
}
/* need to create in transacted mode */
if( STGM_CREATE_MODE(grfMode) == STGM_CREATE &&
!(grfMode&STGM_TRANSACTED) )
return STG_E_INVALIDFLAG;
/* always opens non-shared */
if (!(grfMode & STGM_SHARE_EXCLUSIVE))
/*
* Write only access only works in create mode.
* I guess we need read access to read in the old file if there is one.
*/
if( STGM_ACCESS_MODE(grfMode) == STGM_WRITE &&
STGM_SHARE_MODE(grfMode) == STGM_SHARE_DENY_WRITE &&
STGM_CREATE_MODE(grfMode) != STGM_CREATE )
return STG_E_INVALIDFLAG;
/*
* Generate a unique name.
*/
@ -5468,9 +5501,7 @@ HRESULT WINAPI StgCreateDocfile(
WCHAR tempPath[MAX_PATH];
static const WCHAR prefix[] = { 'S', 'T', 'O', 0 };
if (!(grfMode & STGM_SHARE_EXCLUSIVE))
return STG_E_INVALIDFLAG;
if (!(grfMode & (STGM_WRITE|STGM_READWRITE)))
if (STGM_SHARE_MODE(grfMode) == STGM_SHARE_EXCLUSIVE)
return STG_E_INVALIDFLAG;
memset(tempPath, 0, sizeof(tempPath));
@ -5513,10 +5544,10 @@ HRESULT WINAPI StgCreateDocfile(
hFile = CreateFileW(pwcsName,
accessMode,
shareMode,
NULL,
NULL,
creationMode,
fileAttributes,
0);
0);
if (hFile == INVALID_HANDLE_VALUE)
{
@ -6009,6 +6040,9 @@ HRESULT WINAPI OleSaveToStream(IPersistStream *pPStm,IStream *pStm)
/****************************************************************************
* This method validate a STGM parameter that can contain the values below
*
* The stgm modes in 0x0000ffff are not bit masks, but distinct 4 bit values.
* The stgm values contained in 0xffff0000 are bitmasks.
*
* STGM_DIRECT 0x00000000
* STGM_TRANSACTED 0x00010000
* STGM_SIMPLE 0x08000000
@ -6034,79 +6068,74 @@ HRESULT WINAPI OleSaveToStream(IPersistStream *pPStm,IStream *pStm)
*/
static HRESULT validateSTGM(DWORD stgm)
{
BOOL bSTGM_TRANSACTED = ((stgm & STGM_TRANSACTED) == STGM_TRANSACTED);
BOOL bSTGM_SIMPLE = ((stgm & STGM_SIMPLE) == STGM_SIMPLE);
BOOL bSTGM_DIRECT = ! (bSTGM_TRANSACTED || bSTGM_SIMPLE);
DWORD access = STGM_ACCESS_MODE(stgm);
DWORD share = STGM_SHARE_MODE(stgm);
DWORD create = STGM_CREATE_MODE(stgm);
BOOL bSTGM_WRITE = ((stgm & STGM_WRITE) == STGM_WRITE);
BOOL bSTGM_READWRITE = ((stgm & STGM_READWRITE) == STGM_READWRITE);
BOOL bSTGM_READ = ! (bSTGM_WRITE || bSTGM_READWRITE);
if (stgm&~STGM_KNOWN_FLAGS)
{
ERR("unknown flags %08lx\n", stgm);
return E_FAIL;
}
BOOL bSTGM_SHARE_DENY_NONE =
((stgm & STGM_SHARE_DENY_NONE) == STGM_SHARE_DENY_NONE);
switch (access)
{
case STGM_READ:
case STGM_WRITE:
case STGM_READWRITE:
break;
default:
return E_FAIL;
}
BOOL bSTGM_SHARE_DENY_READ =
((stgm & STGM_SHARE_DENY_READ) == STGM_SHARE_DENY_READ);
switch (share)
{
case STGM_SHARE_DENY_NONE:
case STGM_SHARE_DENY_READ:
case STGM_SHARE_DENY_WRITE:
case STGM_SHARE_EXCLUSIVE:
break;
default:
return E_FAIL;
}
BOOL bSTGM_SHARE_DENY_WRITE =
((stgm & STGM_SHARE_DENY_WRITE) == STGM_SHARE_DENY_WRITE);
BOOL bSTGM_SHARE_EXCLUSIVE =
((stgm & STGM_SHARE_EXCLUSIVE) == STGM_SHARE_EXCLUSIVE);
BOOL bSTGM_CREATE = ((stgm & STGM_CREATE) == STGM_CREATE);
BOOL bSTGM_CONVERT = ((stgm & STGM_CONVERT) == STGM_CONVERT);
BOOL bSTGM_NOSCRATCH = ((stgm & STGM_NOSCRATCH) == STGM_NOSCRATCH);
BOOL bSTGM_NOSNAPSHOT = ((stgm & STGM_NOSNAPSHOT) == STGM_NOSNAPSHOT);
switch (create)
{
case STGM_CREATE:
case STGM_FAILIFTHERE:
break;
default:
return E_FAIL;
}
/*
* STGM_DIRECT | STGM_TRANSACTED | STGM_SIMPLE
*/
if ( ! bSTGM_DIRECT )
if( bSTGM_TRANSACTED && bSTGM_SIMPLE )
return E_FAIL;
/*
* STGM_WRITE | STGM_READWRITE | STGM_READ
*/
if ( ! bSTGM_READ )
if( bSTGM_WRITE && bSTGM_READWRITE )
return E_FAIL;
/*
* STGM_SHARE_DENY_NONE | others
* (I assume here that DENY_READ implies DENY_WRITE)
*/
if ( bSTGM_SHARE_DENY_NONE )
if ( bSTGM_SHARE_DENY_READ ||
bSTGM_SHARE_DENY_WRITE ||
bSTGM_SHARE_EXCLUSIVE)
if ( (stgm & STGM_TRANSACTED) && (stgm & STGM_SIMPLE) )
return E_FAIL;
/*
* STGM_CREATE | STGM_CONVERT
* if both are false, STGM_FAILIFTHERE is set to TRUE
*/
if ( bSTGM_CREATE && bSTGM_CONVERT )
if ( create == STGM_CREATE && (stgm & STGM_CONVERT) )
return E_FAIL;
/*
* STGM_NOSCRATCH requires STGM_TRANSACTED
*/
if ( bSTGM_NOSCRATCH && ! bSTGM_TRANSACTED )
if ( (stgm & STGM_NOSCRATCH) && (stgm & STGM_TRANSACTED) )
return E_FAIL;
/*
* STGM_NOSNAPSHOT requires STGM_TRANSACTED and
* not STGM_SHARE_EXCLUSIVE or STGM_SHARE_DENY_WRITE`
*/
if (bSTGM_NOSNAPSHOT)
{
if ( ! ( bSTGM_TRANSACTED &&
!(bSTGM_SHARE_EXCLUSIVE || bSTGM_SHARE_DENY_WRITE)) )
if ( (stgm & STGM_NOSNAPSHOT) &&
(!(stgm & STGM_TRANSACTED) ||
share == STGM_SHARE_EXCLUSIVE ||
share == STGM_SHARE_DENY_WRITE) )
return E_FAIL;
}
return S_OK;
}
@ -6119,29 +6148,20 @@ static HRESULT validateSTGM(DWORD stgm)
*/
static DWORD GetShareModeFromSTGM(DWORD stgm)
{
DWORD dwShareMode = 0;
BOOL bSTGM_SHARE_DENY_NONE =
((stgm & STGM_SHARE_DENY_NONE) == STGM_SHARE_DENY_NONE);
BOOL bSTGM_SHARE_DENY_READ =
((stgm & STGM_SHARE_DENY_READ) == STGM_SHARE_DENY_READ);
BOOL bSTGM_SHARE_DENY_WRITE =
((stgm & STGM_SHARE_DENY_WRITE) == STGM_SHARE_DENY_WRITE);
BOOL bSTGM_SHARE_EXCLUSIVE =
((stgm & STGM_SHARE_EXCLUSIVE) == STGM_SHARE_EXCLUSIVE);
if ((bSTGM_SHARE_EXCLUSIVE) || (bSTGM_SHARE_DENY_READ))
dwShareMode = 0;
if (bSTGM_SHARE_DENY_NONE)
dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
if (bSTGM_SHARE_DENY_WRITE)
dwShareMode = FILE_SHARE_READ;
return dwShareMode;
switch (STGM_SHARE_MODE(stgm))
{
case STGM_SHARE_DENY_NONE:
return FILE_SHARE_READ | FILE_SHARE_WRITE;
case STGM_SHARE_DENY_READ:
return FILE_SHARE_WRITE;
case STGM_SHARE_DENY_WRITE:
return FILE_SHARE_READ;
case STGM_SHARE_EXCLUSIVE:
return 0;
}
ERR("Invalid share mode!\n");
assert(0);
return 0;
}
/****************************************************************************
@ -6152,21 +6172,18 @@ static DWORD GetShareModeFromSTGM(DWORD stgm)
*/
static DWORD GetAccessModeFromSTGM(DWORD stgm)
{
DWORD dwDesiredAccess = GENERIC_READ;
BOOL bSTGM_WRITE = ((stgm & STGM_WRITE) == STGM_WRITE);
BOOL bSTGM_READWRITE = ((stgm & STGM_READWRITE) == STGM_READWRITE);
BOOL bSTGM_READ = ! (bSTGM_WRITE || bSTGM_READWRITE);
if (bSTGM_READ)
dwDesiredAccess = GENERIC_READ;
if (bSTGM_WRITE)
dwDesiredAccess |= GENERIC_WRITE;
if (bSTGM_READWRITE)
dwDesiredAccess = GENERIC_READ | GENERIC_WRITE;
return dwDesiredAccess;
switch (STGM_ACCESS_MODE(stgm))
{
case STGM_READ:
return GENERIC_READ;
case STGM_WRITE:
return GENERIC_WRITE;
case STGM_READWRITE:
return GENERIC_READ | GENERIC_WRITE;
}
ERR("Invalid access mode!\n");
assert(0);
return 0;
}
/****************************************************************************
@ -6177,16 +6194,19 @@ static DWORD GetAccessModeFromSTGM(DWORD stgm)
*/
static DWORD GetCreationModeFromSTGM(DWORD stgm)
{
if ( stgm & STGM_CREATE)
switch(STGM_CREATE_MODE(stgm))
{
case STGM_CREATE:
return CREATE_ALWAYS;
if (stgm & STGM_CONVERT) {
case STGM_CONVERT:
FIXME("STGM_CONVERT not implemented!\n");
return CREATE_NEW;
case STGM_FAILIFTHERE:
return CREATE_NEW;
}
/* All other cases */
if (stgm & ~ (STGM_CREATE|STGM_CONVERT))
FIXME("unhandled storage mode : 0x%08lx\n",stgm & ~ (STGM_CREATE|STGM_CONVERT));
return CREATE_NEW;
ERR("Invalid create mode!\n");
assert(0);
return 0;
}

65
dlls/ole32/tests/storage32.c
View File

@ -90,16 +90,32 @@ void test_create_storage_modes(void)
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE |
STGM_READWRITE, 0, NULL);
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE | STGM_READWRITE, 0, NULL);
ok(r==STG_E_INVALIDPOINTER, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE |
STGM_READWRITE, 1, &stg);
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE | STGM_READWRITE, 1, &stg);
ok(r==STG_E_INVALIDPARAMETER, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_DENY_WRITE | STGM_READWRITE, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READ, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_PRIORITY, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
/* StgCreateDocfile seems to be very particular about the flags it accepts */
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED | STGM_WRITE, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED | 8, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED | 0x80, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED | 0x800, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED | 0x8000, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED | 0x80000, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED | 0x800000, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
ok(stg == NULL, "stg was set\n");
/* check what happens if the file already exists */
@ -107,8 +123,7 @@ void test_create_storage_modes(void)
ok(r==S_OK, "StgCreateDocfile failed\n");
r = IStorage_Release(stg);
ok(r == 0, "storage not released\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |
STGM_TRANSACTED, 0, &stg);
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED, 0, &stg);
ok(r==STG_E_FILEALREADYEXISTS, "StgCreateDocfile wrong error\n");
r = StgCreateDocfile( filename, STGM_READ, 0, &stg);
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile succeeded\n");
@ -130,24 +145,50 @@ void test_create_storage_modes(void)
ok(r==STG_E_INVALIDFLAG, "StgCreateDocfile wrong error\n");
ok(DeleteFileW(filename), "failed to delete file\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |
STGM_TRANSACTED, 0, &stg);
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED, 0, &stg);
ok(r==S_OK, "StgCreateDocfile failed\n");
r = IStorage_Release(stg);
ok(r == 0, "storage not released\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |
STGM_TRANSACTED |STGM_FAILIFTHERE, 0, &stg);
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED |STGM_FAILIFTHERE, 0, &stg);
ok(r==STG_E_FILEALREADYEXISTS, "StgCreateDocfile wrong error\n");
r = StgCreateDocfile( filename, STGM_SHARE_EXCLUSIVE | STGM_WRITE, 0, &stg);
ok(r==STG_E_FILEALREADYEXISTS, "StgCreateDocfile wrong error\n");
/*ok(DeleteFileW(filename), "failed to delete file\n"); */
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE |
STGM_READWRITE |STGM_TRANSACTED, 0, &stg);
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE | STGM_READWRITE |STGM_TRANSACTED, 0, &stg);
ok(r==S_OK, "StgCreateDocfile failed\n");
r = IStorage_Release(stg);
ok(r == 0, "storage not released\n");
ok(DeleteFileW(filename), "failed to delete file\n");
/* test the way excel uses StgCreateDocFile */
r = StgCreateDocfile( filename, STGM_TRANSACTED|STGM_CREATE|STGM_SHARE_DENY_WRITE|STGM_READWRITE, 0, &stg);
ok(r==S_OK, "StgCreateDocfile the excel way failed\n");
if(r == S_OK)
{
r = IStorage_Release(stg);
ok(r == 0, "storage not released\n");
ok(DeleteFileW(filename), "failed to delete file\n");
}
/* looks like we need STGM_TRANSACTED or STGM_CREATE */
r = StgCreateDocfile( filename, STGM_TRANSACTED|STGM_SHARE_DENY_WRITE|STGM_READWRITE, 0, &stg);
ok(r==S_OK, "StgCreateDocfile the excel way failed\n");
if(r == S_OK)
{
r = IStorage_Release(stg);
ok(r == 0, "storage not released\n");
ok(DeleteFileW(filename), "failed to delete file\n");
}
/* test the way msi uses StgCreateDocfile */
r = StgCreateDocfile( filename, STGM_DIRECT | STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &stg);
ok(r==S_OK, "StgCreateDocFile failed\n");
r = IStorage_Release(stg);
ok(r == 0, "storage not released\n");
ok(DeleteFileW(filename), "failed to delete file\n");
}
void test_storage_stream(void)