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shell32: Validate the destination name in IShellFolder::SetNameOf. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-09-14 12:39:05 +02:00
parent 0ecd807ea6
commit 1dcd1fe613
1 changed files with 10 additions and 9 deletions
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19
dlls/shell32/shfldr_fs.c
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@ -883,6 +883,7 @@ static HRESULT WINAPI IShellFolder_fnSetNameOf (IShellFolder2 * iface,
DWORD dwFlags,
LPITEMIDLIST * pPidlOut)
{
static const WCHAR invalid_chars[] = { '\\','/',':','*','?','"','<','>','|',0 };
IGenericSFImpl *This = impl_from_IShellFolder2(iface);
WCHAR szSrc[MAX_PATH + 1], szDest[MAX_PATH + 1];
LPWSTR ptr;
@ -891,20 +892,20 @@ static HRESULT WINAPI IShellFolder_fnSetNameOf (IShellFolder2 * iface,
TRACE ("(%p)->(%p,pidl=%p,%s,%u,%p)\n", This, hwndOwner, pidl,
debugstr_w (lpName), dwFlags, pPidlOut);
/* pidl has to contain a single non-empty SHITEMID */
if (_ILIsDesktop(pidl) || !_ILIsPidlSimple(pidl) || !_ILGetTextPointer(pidl)) return E_INVALIDARG;
if (strpbrkW( lpName, invalid_chars )) return HRESULT_FROM_WIN32(ERROR_CANCELLED);
/* build source path */
lstrcpynW(szSrc, This->sPathTarget, MAX_PATH);
ptr = PathAddBackslashW (szSrc);
if (ptr)
_ILSimpleGetTextW (pidl, ptr, MAX_PATH + 1 - (ptr - szSrc));
_ILSimpleGetTextW (pidl, ptr, MAX_PATH + 1 - (ptr - szSrc));
/* build destination path */
if (dwFlags == SHGDN_NORMAL || dwFlags & SHGDN_INFOLDER) {
lstrcpynW(szDest, This->sPathTarget, MAX_PATH);
ptr = PathAddBackslashW (szDest);
if (ptr)
lstrcpynW(ptr, lpName, MAX_PATH + 1 - (ptr - szDest));
} else
lstrcpynW(szDest, lpName, MAX_PATH);
lstrcpynW(szDest, This->sPathTarget, MAX_PATH);
ptr = PathAddBackslashW (szDest);
lstrcpynW(ptr, lpName, MAX_PATH + 1 - (ptr - szDest));
if(!(dwFlags & SHGDN_FORPARSING) && SHELL_FS_HideExtension(szSrc)) {
WCHAR *ext = PathFindExtensionW(szSrc);