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[COMDLG32] Differentiate between real and virtual folders,

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do not allow traversal inside virtual folders when selecting a file
CORE-16908
This commit is contained in:
Mark Jansen 2020-05-06 22:04:11 +02:00
parent 8451389041
commit 332889b8d7
No known key found for this signature in database
GPG key ID: B39240EE84BEAE8B
2 changed files with 6 additions and 6 deletions
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8
dll/win32/comdlg32/filedlg.c
View file

@ -2782,12 +2782,12 @@ int FILEDLG95_ValidatePathAction(LPWSTR lpstrPathAndFile, IShellFolder **ppsf,
PathAddBackslashW(lpwstrTemp);
}
dwAttributes = SFGAO_FOLDER;
dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSANCESTOR;
if(SUCCEEDED(IShellFolder_ParseDisplayName(*ppsf, hwnd, NULL, lpwstrTemp, &dwEaten, &pidl, &dwAttributes)))
{
/* the path component is valid, we have a pidl of the next path component */
TRACE("parse OK attr=0x%08x pidl=%p\n", dwAttributes, pidl);
if(dwAttributes & SFGAO_FOLDER)
if((dwAttributes & (SFGAO_FOLDER | SFGAO_FILESYSANCESTOR)) == (SFGAO_FOLDER | SFGAO_FILESYSANCESTOR))
{
if(FAILED(IShellFolder_BindToObject(*ppsf, pidl, 0, &IID_IShellFolder, (LPVOID*)&lpsfChild)))
{
@ -4468,7 +4468,7 @@ static LPITEMIDLIST GetPidlFromName(IShellFolder *lpsf,LPWSTR lpcstrFileName)
*/
static BOOL IsPidlFolder (LPSHELLFOLDER psf, LPCITEMIDLIST pidl)
{
ULONG uAttr = SFGAO_FOLDER | SFGAO_HASSUBFOLDER;
ULONG uAttr = SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_FILESYSANCESTOR;
HRESULT ret;
TRACE("%p, %p\n", psf, pidl);
@ -4477,7 +4477,7 @@ static BOOL IsPidlFolder (LPSHELLFOLDER psf, LPCITEMIDLIST pidl)
TRACE("-- 0x%08x 0x%08x\n", uAttr, ret);
/* see documentation shell 4.1*/
return uAttr & (SFGAO_FOLDER | SFGAO_HASSUBFOLDER);
return (uAttr & (SFGAO_FOLDER | SFGAO_HASSUBFOLDER)) && (uAttr & SFGAO_FILESYSANCESTOR);
}
/***********************************************************************

4
dll/win32/comdlg32/filedlgbrowser.c
View file

@ -774,9 +774,9 @@ static HRESULT WINAPI IShellBrowserImpl_ICommDlgBrowser_OnDefaultCommand(ICommDl
{
HRESULT hRes;
ULONG ulAttr = SFGAO_FOLDER | SFGAO_HASSUBFOLDER;
ULONG ulAttr = SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_FILESYSANCESTOR;
IShellFolder_GetAttributesOf(fodInfos->Shell.FOIShellFolder, 1, (LPCITEMIDLIST *)&pidl, &ulAttr);
if (ulAttr & (SFGAO_FOLDER | SFGAO_HASSUBFOLDER) )
if ((ulAttr & (SFGAO_FOLDER | SFGAO_HASSUBFOLDER)) && (ulAttr & SFGAO_FILESYSANCESTOR))
{
hRes = IShellBrowser_BrowseObject(&This->IShellBrowser_iface,pidl,SBSP_RELATIVE);
if(fodInfos->ofnInfos->Flags & OFN_EXPLORER)