reactos/dll/win32/shell32/folders/CPrinterFolder.cpp
Raymond Czerny e0b9d6d9cd
[SHELL32] CPrinterFolder: Validate string pointers properly. (#4486)
CORE-18174

Check string pointers before determining the length of strings.
2022-05-05 16:24:38 +02:00

512 lines
14 KiB
C++

/*
* Virtual Printers Folder
*
* Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
* Copyright 2005 Huw Davies
* Copyright 2009 Andrew Hill
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <precomp.h>
#include <winspool.h>
WINE_DEFAULT_DEBUG_CHANNEL (shell);
static shvheader PrinterSFHeader[] = {
{IDS_SHV_COLUMN_NAME, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 15},
{IDS_SHV_COLUMN_DOCUMENTS , SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 15},
{IDS_SHV_COLUMN_STATUS, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 15},
{IDS_SHV_COLUMN_COMMENTS, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 15},
{IDS_SHV_COLUMN_LOCATION, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 15},
{IDS_SHV_COLUMN_MODEL, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 15}
};
#define COLUMN_NAME 0
#define COLUMN_DOCUMENTS 1
#define COLUMN_STATUS 2
#define COLUMN_COMMENTS 3
#define COLUMN_LOCATION 4
#define COLUMN_MODEL 5
#define PrinterSHELLVIEWCOLUMNS (6)
/**************************************************************************
* CPrintersExtractIconW_CreateInstane
*
* There is no CPrintersExtractIconW. We just initialize CExtractIcon properly to do our job.
*/
HRESULT WINAPI CPrintersExtractIconW_CreateInstane(LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppv)
{
CComPtr<IDefaultExtractIconInit> initIcon;
HRESULT hr = SHCreateDefaultExtractIcon(IID_PPV_ARG(IDefaultExtractIconInit,&initIcon));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
/* FIXME: other icons for default, network, print to file */
initIcon->SetNormalIcon(swShell32Name, -IDI_SHELL_PRINTER);
return initIcon->QueryInterface(riid,ppv);
}
/***********************************************************************
* Printers folder implementation
*/
class CPrintersEnum: public CEnumIDListBase
{
public:
CPrintersEnum();
~CPrintersEnum();
HRESULT WINAPI Initialize(HWND hwndOwner, DWORD dwFlags);
BOOL CreatePrintersEnumList(DWORD dwFlags);
BEGIN_COM_MAP(CPrintersEnum)
COM_INTERFACE_ENTRY_IID(IID_IEnumIDList, IEnumIDList)
END_COM_MAP()
};
CPrintersEnum::CPrintersEnum()
{
}
CPrintersEnum::~CPrintersEnum()
{
}
HRESULT WINAPI CPrintersEnum::Initialize(HWND hwndOwner, DWORD dwFlags)
{
if (CreatePrintersEnumList(dwFlags) == FALSE)
return E_FAIL;
return S_OK;
}
static LPITEMIDLIST _ILCreatePrinterItem(PRINTER_INFO_4W *pi)
{
PIDLDATA tmp;
LPITEMIDLIST pidl;
PIDLPrinterStruct * p;
int size0 = (char*)&tmp.u.cprinter.szName - (char*)&tmp.u.cprinter;
int size = size0;
SIZE_T cchPrinterName = 0;
SIZE_T cchServerName = 0;
if (pi->pPrinterName)
cchPrinterName = wcslen(pi->pPrinterName);
if (pi->pServerName)
cchServerName = wcslen(pi->pServerName);
if ((cchPrinterName + cchServerName) > (MAXUSHORT - 2))
{
return NULL;
}
tmp.type = 0x00;
tmp.u.cprinter.dummy = 0xFF;
if (pi->pPrinterName)
tmp.u.cprinter.offsServer = cchPrinterName + 1;
else
tmp.u.cprinter.offsServer = 1;
size += tmp.u.cprinter.offsServer * sizeof(WCHAR);
if (pi->pServerName)
size += (cchServerName + 1) * sizeof(WCHAR);
else
size += sizeof(WCHAR);
pidl = (LPITEMIDLIST)SHAlloc(size + 4);
if (!pidl)
return pidl;
pidl->mkid.cb = size + 2;
memcpy(pidl->mkid.abID, &tmp, 2 + size0);
p = &((PIDLDATA*)pidl->mkid.abID)->u.cprinter;
p->Attributes = pi->Attributes;
if (pi->pPrinterName)
wcscpy(p->szName, pi->pPrinterName);
else
p->szName[0] = L'\0';
if (pi->pServerName)
wcscpy(p->szName + p->offsServer, pi->pServerName);
else
p->szName[p->offsServer] = L'\0';
*(WORD*)((char*)pidl + (size + 2)) = 0;
return pidl;
}
/**************************************************************************
* CPrintersEnum::CreatePrintersEnumList()
*/
BOOL CPrintersEnum::CreatePrintersEnumList(DWORD dwFlags)
{
BOOL ret = TRUE;
TRACE("(%p)->(flags=0x%08lx) \n", this, dwFlags);
/* enumerate the folders */
if (dwFlags & SHCONTF_NONFOLDERS)
{
DWORD needed = 0, num = 0, i;
PRINTER_INFO_4W *pi;
EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, 4, NULL, 0, &needed, &num);
if (!needed)
return ret;
pi = (PRINTER_INFO_4W *)HeapAlloc(GetProcessHeap(), 0, needed);
if(!EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, 4, (LPBYTE)pi, needed, &needed, &num)) {
HeapFree(GetProcessHeap(), 0, pi);
return FALSE;
}
for(i = 0; i < num; i++) {
LPITEMIDLIST pidl = _ILCreatePrinterItem(&pi[i]);
if (pidl)
{
if (!AddToEnumList(pidl))
SHFree(pidl);
}
}
HeapFree(GetProcessHeap(), 0, pi);
}
return ret;
}
CPrinterFolder::CPrinterFolder()
{
pidlRoot = NULL;
dwAttributes = 0;
pclsid = NULL;
}
CPrinterFolder::~CPrinterFolder()
{
TRACE("-- destroying IShellFolder(%p)\n", this);
if (pidlRoot)
SHFree(pidlRoot);
}
/**************************************************************************
* CPrinterFolder::ParseDisplayName
*
* This is E_NOTIMPL in Windows too.
*/
HRESULT WINAPI CPrinterFolder::ParseDisplayName(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName,
DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes)
{
TRACE("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
this, hwndOwner, pbc, lpszDisplayName, debugstr_w(lpszDisplayName),
pchEaten, ppidl, pdwAttributes);
*ppidl = 0;
if (pchEaten)
*pchEaten = 0;
return E_NOTIMPL;
}
static PIDLPrinterStruct * _ILGetPrinterStruct(LPCITEMIDLIST pidl)
{
LPPIDLDATA pdata = _ILGetDataPointer(pidl);
if (pdata && pdata->type == 0x00)
return (PIDLPrinterStruct*) & (pdata->u.cfont);
return NULL;
}
/**************************************************************************
* CPrinterFolder::EnumObjects
*/
HRESULT WINAPI CPrinterFolder::EnumObjects(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
{
return ShellObjectCreatorInit<CPrintersEnum>(hwndOwner, dwFlags, IID_PPV_ARG(IEnumIDList, ppEnumIDList));
}
/**************************************************************************
* CPrinterFolder::BindToObject
*/
HRESULT WINAPI CPrinterFolder::BindToObject(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
{
return E_NOTIMPL;
}
/**************************************************************************
* ISF_Printers_fnBindToStorage
*/
HRESULT WINAPI CPrinterFolder::BindToStorage(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
{
FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n",
this, pidl, pbcReserved, shdebugstr_guid (&riid), ppvOut);
*ppvOut = NULL;
return E_NOTIMPL;
}
/**************************************************************************
* CPrinterFolder::CompareIDs
*/
HRESULT WINAPI CPrinterFolder::CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2)
{
return SHELL32_CompareDetails(this, lParam, pidl1, pidl2);
}
/**************************************************************************
* CPrinterFolder::CreateViewObject
*/
HRESULT WINAPI CPrinterFolder::CreateViewObject(HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
{
CComPtr<IShellView> pShellView;
HRESULT hr = E_INVALIDARG;
TRACE("(%p)->(hwnd=%p,%s,%p)\n", this,
hwndOwner, shdebugstr_guid (&riid), ppvOut);
if (!ppvOut)
return hr;
*ppvOut = NULL;
if (IsEqualIID(riid, IID_IDropTarget))
{
WARN("IDropTarget not implemented\n");
hr = E_NOTIMPL;
}
else if(IsEqualIID(riid, IID_IContextMenu))
{
WARN("IContextMenu not implemented\n");
hr = E_NOTIMPL;
}
else if(IsEqualIID(riid, IID_IShellView))
{
SFV_CREATE sfvparams = {sizeof(SFV_CREATE), this};
hr = SHCreateShellFolderView(&sfvparams, (IShellView**)ppvOut);
}
TRACE ("-- (%p)->(interface=%p)\n", this, ppvOut);
return hr;
}
/**************************************************************************
* CPrinterFolder::GetAttributesOf
*/
HRESULT WINAPI CPrinterFolder::GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut)
{
static const DWORD dwPrintersAttributes =
SFGAO_HASPROPSHEET | SFGAO_STORAGEANCESTOR | SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_CANRENAME | SFGAO_CANDELETE;
HRESULT hr = S_OK;
FIXME ("(%p)->(cidl=%d apidl=%p mask=0x%08lx): stub\n",
this, cidl, apidl, *rgfInOut);
*rgfInOut &= dwPrintersAttributes;
*rgfInOut &= ~SFGAO_VALIDATE;
TRACE ("-- result=0x%08x\n", *rgfInOut);
return hr;
}
/**************************************************************************
* CPrinterFolder::GetUIObjectOf
*
* PARAMETERS
* HWND hwndOwner, //[in ] Parent window for any output
* UINT cidl, //[in ] array size
* LPCITEMIDLIST* apidl, //[in ] simple pidl array
* REFIID riid, //[in ] Requested Interface
* UINT* prgfInOut, //[ ] reserved
* LPVOID* ppvObject) //[out] Resulting Interface
*
*/
HRESULT WINAPI CPrinterFolder::GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl,
REFIID riid, UINT * prgfInOut, LPVOID * ppvOut)
{
LPVOID pObj = NULL;
HRESULT hr = E_INVALIDARG;
TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
this, hwndOwner, cidl, apidl, shdebugstr_guid (&riid), prgfInOut, ppvOut);
if (!ppvOut)
return hr;
*ppvOut = NULL;
if ((IsEqualIID (riid, IID_IExtractIconA) || IsEqualIID(riid, IID_IExtractIconW)) && cidl == 1)
hr = CPrintersExtractIconW_CreateInstane(apidl[0], riid, &pObj);
else
hr = E_NOINTERFACE;
if (SUCCEEDED(hr) && !pObj)
hr = E_OUTOFMEMORY;
*ppvOut = pObj;
TRACE ("(%p)->hr=0x%08lx\n", this, hr);
return hr;
}
/**************************************************************************
* CPrinterFolder::GetDisplayNameOf
*
*/
HRESULT WINAPI CPrinterFolder::GetDisplayNameOf(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet)
{
PIDLPrinterStruct * p;
TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", this, pidl, dwFlags, strRet);
pdump (pidl);
if (!strRet)
{
WARN("no strRet\n");
return E_INVALIDARG;
}
p = _ILGetPrinterStruct(pidl);
if (!p)
{
ERR("no printer struct\n");
return E_INVALIDARG;
}
return SHSetStrRet(strRet, p->szName);
}
/**************************************************************************
* CPrinterFolder::SetNameOf
* Changes the name of a file object or subfolder, possibly changing its item
* identifier in the process.
*
* PARAMETERS
* HWND hwndOwner, //[in ] Owner window for output
* LPCITEMIDLIST pidl, //[in ] simple pidl of item to change
* LPCOLESTR lpszName, //[in ] the items new display name
* DWORD dwFlags, //[in ] SHGNO formatting flags
* LPITEMIDLIST* ppidlOut) //[out] simple pidl returned
*/
HRESULT WINAPI CPrinterFolder::SetNameOf(HWND hwndOwner, PCUITEMID_CHILD pidl, /* simple pidl */
LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut)
{
FIXME("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", this, hwndOwner, pidl,
debugstr_w (lpName), dwFlags, pPidlOut);
return E_FAIL;
}
HRESULT WINAPI CPrinterFolder::GetDefaultSearchGUID(GUID *pguid)
{
FIXME("(%p)\n", this);
return E_NOTIMPL;
}
HRESULT WINAPI CPrinterFolder::EnumSearches(IEnumExtraSearch **ppenum)
{
FIXME("(%p)\n", this);
return E_NOTIMPL;
}
HRESULT WINAPI CPrinterFolder::GetDefaultColumn(DWORD dwRes, ULONG *pSort, ULONG *pDisplay)
{
if (pSort)
*pSort = 0;
if (pDisplay)
*pDisplay = 0;
return S_OK;
}
HRESULT WINAPI CPrinterFolder::GetDefaultColumnState(UINT iColumn, DWORD *pcsFlags)
{
if (!pcsFlags || iColumn >= PrinterSHELLVIEWCOLUMNS)
return E_INVALIDARG;
*pcsFlags = PrinterSFHeader[iColumn].pcsFlags;
return S_OK;
}
HRESULT WINAPI CPrinterFolder::GetDetailsEx(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv)
{
FIXME("(%p): stub\n", this);
return E_NOTIMPL;
}
HRESULT WINAPI CPrinterFolder::GetDetailsOf(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd)
{
TRACE("(%p)->(%p %i %p): stub\n", this, pidl, iColumn, psd);
if (iColumn >= PrinterSHELLVIEWCOLUMNS)
return E_FAIL;
psd->fmt = PrinterSFHeader[iColumn].fmt;
psd->cxChar = PrinterSFHeader[iColumn].cxChar;
if (pidl == NULL)
return SHSetStrRet(&psd->str, PrinterSFHeader[iColumn].colnameid);
if (iColumn == COLUMN_NAME)
return GetDisplayNameOf(pidl, SHGDN_NORMAL, &psd->str);
psd->str.uType = STRRET_CSTR;
psd->str.cStr[0] = '\0';
return E_NOTIMPL;
}
HRESULT WINAPI CPrinterFolder::MapColumnToSCID(UINT column, SHCOLUMNID *pscid)
{
FIXME ("(%p): stub\n", this);
return E_NOTIMPL;
}
/************************************************************************
* CPrinterFolder::GetClassID
*/
HRESULT WINAPI CPrinterFolder::GetClassID(CLSID *lpClassId)
{
TRACE ("(%p)\n", this);
*lpClassId = CLSID_Printers;
return S_OK;
}
/************************************************************************
* CPrinterFolder::Initialize
*/
HRESULT WINAPI CPrinterFolder::Initialize(PCIDLIST_ABSOLUTE pidl)
{
if (pidlRoot)
SHFree((LPVOID)pidlRoot);
pidlRoot = ILClone(pidl);
return S_OK;
}
/**************************************************************************
* CPrinterFolder::GetCurFolder
*/
HRESULT WINAPI CPrinterFolder::GetCurFolder(PIDLIST_ABSOLUTE * pidl)
{
TRACE ("(%p)->(%p)\n", this, pidl);
*pidl = ILClone (pidlRoot);
return S_OK;
}