shlextdbg.cpp File Reference

#include <windows.h>
#include <shlobj.h>
#include <atlbase.h>
#include <atlcom.h>
#include <atlstr.h>
#include <atlsimpcoll.h>
#include <conio.h>
#include <shellutils.h>

Include dependency graph for shlextdbg.cpp:

Go to the source code of this file.

Enumerations
enum	WaitType { Wait_None , Wait_Infinite , Wait_OpenWindows , Wait_Input }

Functions
HRESULT	CreateIDataObject (CComHeapPtr< ITEMIDLIST > &pidl, CComPtr< IDataObject > &dataObject, PCWSTR FileName)
HRESULT	LoadAndInitialize (REFIID riid, LPVOID *ppv)
BOOL CALLBACK	EnumWindowsProc (HWND hwnd, LPARAM lParam)
void	WaitWindows ()
static BOOL CALLBACK	cb_AddPage (HPROPSHEETPAGE page, LPARAM lParam)
static bool	isCmdWithArg (int argc, WCHAR **argv, int &n, PCWSTR check, PCWSTR &arg)
static bool	isCmd (int argc, WCHAR **argv, int n, PCWSTR check)
static void	PrintHelp (PCWSTR ExtraLine)
int	wmain (int argc, WCHAR **argv)

Variables
CLSID	g_CLSID = { 0 }
CStringW	g_DLL
CStringW	g_ShellExtInit
bool	g_bIShellPropSheetExt = false
CStringA	g_ContextMenu
WaitType	g_Wait = Wait_None
CSimpleArray< HWND >	g_Windows
HWND	g_ConsoleWindow
CSimpleArray< HPROPSHEETPAGE >	g_Pages

Enumeration Type Documentation

WaitType

enum WaitType

Enumerator
Wait_None
Wait_Infinite
Wait_OpenWindows
Wait_Input

Definition at line 17 of file shlextdbg.cpp.

{
    Wait_None,
    Wait_Infinite,
    Wait_OpenWindows,
    Wait_Input,
};

Function Documentation

cb_AddPage()

static BOOL CALLBACK cb_AddPage ( HPROPSHEETPAGE  page, LPARAM  lParam  )

static

Definition at line 160 of file shlextdbg.cpp.

{
    g_Pages.Add(page);
    if (lParam != (LPARAM)&g_Pages)
    {
        wprintf(L"Propsheet failed to pass lParam, got: 0x%Ix\n", lParam);
    }
    return TRUE;
}

Referenced by wmain().

CreateIDataObject()

HRESULT CreateIDataObject	(	CComHeapPtr< ITEMIDLIST > &	pidl,
		CComPtr< IDataObject > &	dataObject,
		PCWSTR	FileName
	)

Definition at line 32 of file shlextdbg.cpp.

{
    HRESULT hr = SHParseDisplayName(FileName, NULL, &pidl, 0, NULL);
    if (!SUCCEEDED(hr))
    {
        wprintf(L"Failed to create pidl from '%s': 0x%x\n", FileName, hr);
        return hr;
    }
 
    CComPtr<IShellFolder> shellFolder;
    PCUITEMID_CHILD childs;
    hr = SHBindToParent(pidl, IID_PPV_ARG(IShellFolder, &shellFolder), &childs);
    if (!SUCCEEDED(hr))
    {
        wprintf(L"Failed to bind to parent: 0x%x\n", hr);
        return hr;
    }
    hr = shellFolder->GetUIObjectOf(NULL, 1, &childs, IID_IDataObject, NULL, (PVOID*)&dataObject);
    if (!SUCCEEDED(hr))
    {
        wprintf(L"Failed to query IDataObject: 0x%x\n", hr);
    }
    return hr;
}

Referenced by LoadAndInitialize().

EnumWindowsProc()

BOOL CALLBACK EnumWindowsProc	(	HWND	hwnd,
		LPARAM	lParam
	)

Definition at line 127 of file shlextdbg.cpp.

{
    if (hwnd != g_ConsoleWindow)
    {
        DWORD pid = 0;
        GetWindowThreadProcessId(hwnd, &pid);
        if (pid == GetCurrentProcessId())
        {
            g_Windows.Add(hwnd);
        }
    }
    return TRUE;
}

Referenced by WaitWindows().

isCmd()

static bool isCmd ( int  argc, WCHAR **  argv, int  n, PCWSTR  check  )

static

Definition at line 194 of file shlextdbg.cpp.

{
    return !wcsicmp(argv[n] + 1, check);
}

Referenced by wmain().

isCmdWithArg()

static bool isCmdWithArg ( int  argc, WCHAR **  argv, int &  n, PCWSTR  check, PCWSTR &  arg  )

static

Definition at line 170 of file shlextdbg.cpp.

{
    arg = NULL;
    size_t len = wcslen(check);
    if (!_wcsnicmp(argv[n] + 1, check, len))
    {
        PCWSTR cmd = argv[n] + len + 1;
        if (*cmd == ':' || *cmd == '=')
        {
            arg = cmd + 1;
            return true;
        }
        if (n + 1 < argc)
        {
            arg = argv[n+1];
            n++;
            return true;
        }
        wprintf(L"Command %s has no required argument!\n", check);
        return false;
    }
    return false;
}

Referenced by wmain().

LoadAndInitialize()

HRESULT LoadAndInitialize	(	REFIID	riid,
		LPVOID *	ppv
	)

Definition at line 57 of file shlextdbg.cpp.

{
    CComPtr<IShellExtInit> spShellExtInit;
    HRESULT hr;
    if (g_DLL.IsEmpty())
    {
        hr = CoCreateInstance(g_CLSID, NULL, CLSCTX_ALL, IID_PPV_ARG(IShellExtInit, &spShellExtInit));
        if (!SUCCEEDED(hr))
        {
            WCHAR Buffer[100];
            StringFromGUID2(g_CLSID, Buffer, _countof(Buffer));
            wprintf(L"Failed to Create %s:IShellExtInit: 0x%x\n", Buffer, hr);
            return hr;
        }
    }
    else
    {
        typedef HRESULT (STDAPICALLTYPE *tDllGetClassObject)(REFCLSID rclsid, REFIID riid, LPVOID *ppv);
        HMODULE mod = LoadLibraryW(g_DLL);
        if (!mod)
        {
            wprintf(L"Failed to Load %s:(0x%x)\n", g_DLL.GetString(), GetLastError());
            return E_FAIL;
        }
        tDllGetClassObject DllGet = (tDllGetClassObject)GetProcAddress(mod, "DllGetClassObject");
        if (!DllGet)
        {
            wprintf(L"%s does not export DllGetClassObject\n", g_DLL.GetString());
            return E_FAIL;
        }
        CComPtr<IClassFactory> spClassFactory;
        hr = DllGet(g_CLSID, IID_PPV_ARG(IClassFactory, &spClassFactory));
        if (!SUCCEEDED(hr))
        {
            wprintf(L"Failed to create IClassFactory: 0x%x\n", hr);
            return hr;
        }
        hr = spClassFactory->CreateInstance(NULL, IID_PPV_ARG(IShellExtInit, &spShellExtInit));
        if (!SUCCEEDED(hr))
        {
            wprintf(L"Failed to Request IShellExtInit from IClassFactory: 0x%x\n", hr);
            return hr;
        }
    }
 
    CComPtr<IDataObject> spDataObject;
    CComHeapPtr<ITEMIDLIST> pidl;
    hr = CreateIDataObject(pidl, spDataObject, g_ShellExtInit.GetString());
    if (!SUCCEEDED(hr))
        return hr;
 
    hr = spShellExtInit->Initialize(pidl, spDataObject, NULL);
    if (!SUCCEEDED(hr))
    {
        wprintf(L"IShellExtInit->Initialize failed: 0x%x\n", hr);
        return hr;
    }
    hr = spShellExtInit->QueryInterface(riid, ppv);
    if (!SUCCEEDED(hr))
    {
        WCHAR Buffer[100];
        StringFromGUID2(riid, Buffer, _countof(Buffer));
        wprintf(L"Failed to query %s from IShellExtInit: 0x%x\n", Buffer, hr);
    }
    return hr;
}

Referenced by wmain().

PrintHelp()

static void PrintHelp ( PCWSTR  ExtraLine )

static

Definition at line 199 of file shlextdbg.cpp.

{
    if (ExtraLine)
        wprintf(L"%s\n", ExtraLine);
 
    wprintf(L"shlextdbg /clsid={clsid} [/dll=dllname] /IShellExtInit=filename |shlextype| |waitoptions|\n");
    wprintf(L"    {clsid}: The CLSID or ProgID of the object to create\n");
    wprintf(L"    dll: Optional dllname to create the object from, instead of CoCreateInstance\n");
    wprintf(L"    filename: The filename to pass to IShellExtInit->Initialze\n");
    wprintf(L"    shlextype: The type of shell extention to run:\n");
    wprintf(L"               /IShellPropSheetExt to create a property sheet\n");
    wprintf(L"               /IContextMenu=verb to activate the specified verb\n");
    wprintf(L"    waitoptions: Specify how to wait:\n");
    wprintf(L"                 /infinite: Keep on waiting infinitely\n");
    wprintf(L"                 /openwindows: Wait for all windows from the current application to close\n");
    wprintf(L"                 /input: Wait for input\n");
    wprintf(L"\n");
}

WaitWindows()

void WaitWindows

(

)

Definition at line 141 of file shlextdbg.cpp.

{
    /* Give the windows some time to spawn */
    Sleep(2000);
    g_ConsoleWindow = GetConsoleWindow();
    while (true)
    {
        g_Windows.RemoveAll();
        EnumWindows(EnumWindowsProc, NULL);
        if (g_Windows.GetSize() == 0)
            break;
        Sleep(500);
    }
    wprintf(L"All windows closed (ignoring console window)\n");
}

Referenced by wmain().

wmain()

int wmain	(	int	argc,
		WCHAR **	argv
	)

Definition at line 227 of file shlextdbg.cpp.

{
    bool failArgs = false;
    for (int n = 1; n < argc; ++n)
    {
        WCHAR* cmd = argv[n];
        if (cmd[0] == '-' || cmd[0] == '/')
        {
            PCWSTR arg;
            if (isCmdWithArg(argc, argv, n, L"clsid", arg))
            {
                HRESULT hr = CLSIDFromString(arg, &g_CLSID);
                if (!SUCCEEDED(hr))
                {
                    wprintf(L"Failed to convert %s to CLSID\n", arg);
                    failArgs = true;
                }
            }
            else if (isCmdWithArg(argc, argv, n, L"dll", arg))
            {
                g_DLL = arg;
            }
            else if (isCmdWithArg(argc, argv, n, L"IShellExtInit", arg))
            {
                g_ShellExtInit = arg;
            }
            else if (isCmd(argc, argv, n, L"IShellPropSheetExt"))
            {
                g_bIShellPropSheetExt = true;
            }
            else if (isCmdWithArg(argc, argv, n, L"IContextMenu", arg))
            {
                g_ContextMenu = arg;
            }
            else if (isCmd(argc, argv, n, L"infinite"))
            {
                g_Wait = Wait_Infinite;
            }
            else if (isCmd(argc, argv, n, L"openwindows"))
            {
                g_Wait = Wait_OpenWindows;
            }
            else if (isCmd(argc, argv, n, L"input"))
            {
                g_Wait = Wait_Input;
            }
            else
            {
                wprintf(L"Unknown argument: %s\n", cmd);
                failArgs = true;
            }
        }
    }
 
    if (failArgs)
    {
        PrintHelp(NULL);
        return E_INVALIDARG;
    }
 
 
    CLSID EmptyCLSID = { 0 };
    if (EmptyCLSID == g_CLSID)
    {
        PrintHelp(L"No CLSID specified");
        return E_INVALIDARG;
    }
 
    if (g_ShellExtInit.IsEmpty())
    {
        PrintHelp(L"No filename specified");
        return E_INVALIDARG;
    }
 
    INITCOMMONCONTROLSEX icc = { sizeof(icc), ICC_LINK_CLASS | ICC_STANDARD_CLASSES };
    InitCommonControlsEx(&icc);
    CoInitialize(NULL);
 
    HRESULT hr;
    if (g_bIShellPropSheetExt)
    {
        CComPtr<IShellPropSheetExt> spSheetExt;
        hr = LoadAndInitialize(IID_PPV_ARG(IShellPropSheetExt, &spSheetExt));
        if (!SUCCEEDED(hr))
            return hr;
 
        hr = spSheetExt->AddPages(cb_AddPage, (LPARAM)&g_Pages);
        if (!SUCCEEDED(hr))
        {
            wprintf(L"IShellPropSheetExt->AddPages failed: 0x%x\n", hr);
            return hr;
        }
 
        USHORT ActivePage = HRESULT_CODE(hr);
        PROPSHEETHEADERW psh = { 0 };
 
        psh.dwSize = sizeof(psh);
        psh.dwFlags = PSH_PROPTITLE;
        psh.pszCaption = L"shlextdbg";
        psh.phpage = g_Pages.GetData();
        psh.nPages = g_Pages.GetSize();
        psh.nStartPage = ActivePage ? (ActivePage-1) : 0;
        hr = PropertySheetW(&psh);
 
        wprintf(L"PropertySheetW returned: 0x%x\n", hr);
    }
    if (!g_ContextMenu.IsEmpty())
    {
        CComPtr<IContextMenu> spContextMenu;
        hr = LoadAndInitialize(IID_PPV_ARG(IContextMenu, &spContextMenu));
        if (!SUCCEEDED(hr))
            return hr;
 
        CMINVOKECOMMANDINFO cm = { sizeof(cm), 0 };
        cm.lpVerb = g_ContextMenu.GetString();
        cm.nShow = SW_SHOW;
        hr = spContextMenu->InvokeCommand(&cm);
 
        if (!SUCCEEDED(hr))
        {
            wprintf(L"IContextMenu->InvokeCommand failed: 0x%x\n", hr);
            return hr;
        }
        wprintf(L"IContextMenu->InvokeCommand returned: 0x%x\n", hr);
    }
 
    switch (g_Wait)
    {
    case Wait_None:
        break;
    case Wait_Infinite:
        while (true) {
            Sleep(1000);
        }
        break;
    case Wait_OpenWindows:
        WaitWindows();
        break;
    case Wait_Input:
        wprintf(L"Press any key to continue...\n");
        _getch();
        break;
 
    }
    return 0;
}

Variable Documentation

g_bIShellPropSheetExt

bool g_bIShellPropSheetExt = false

Definition at line 28 of file shlextdbg.cpp.

Referenced by wmain().

g_CLSID

CLSID g_CLSID = { 0 }

Definition at line 25 of file shlextdbg.cpp.

Referenced by LoadAndInitialize(), and wmain().

g_ConsoleWindow

HWND g_ConsoleWindow

Definition at line 126 of file shlextdbg.cpp.

Referenced by EnumWindowsProc(), and WaitWindows().

g_ContextMenu

CStringA g_ContextMenu

Definition at line 29 of file shlextdbg.cpp.

Referenced by wmain().

g_DLL

CStringW g_DLL

Definition at line 26 of file shlextdbg.cpp.

Referenced by LoadAndInitialize(), and wmain().

g_Pages

CSimpleArray<HPROPSHEETPAGE> g_Pages

Definition at line 159 of file shlextdbg.cpp.

Referenced by cb_AddPage(), and wmain().

g_ShellExtInit

CStringW g_ShellExtInit

Definition at line 27 of file shlextdbg.cpp.

Referenced by LoadAndInitialize(), and wmain().

g_Wait

WaitType g_Wait = Wait_None

Definition at line 30 of file shlextdbg.cpp.

Referenced by wmain().

g_Windows

CSimpleArray<HWND> g_Windows

Definition at line 125 of file shlextdbg.cpp.

Referenced by EnumWindowsProc(), and WaitWindows().