dllstdafx.cpp

利用钩子与API截获方法获取WEB网页及应用程序密码编辑框中的密码

// stdafx.cpp : source file that includes just the standard includes
//	SuperPwdHook.pch will be the pre-compiled header
//	stdafx.obj will contain the pre-compiled type information
/************************************
  REVISION LOG ENTRY
  Revision By: Zhang, Zhefu
  Contact: [e-mail]
  Revised on 12/7/2002 10:44:33 AM
  Comment: Following Source is Written To Contribute to WWW.CodeGuru.Com
  Also check http://codeguru.earthweb.com/ieprogram/SPwdSpy.html
       for latest patch
 ************************************/
#include "DLLstdafx.h"

// TODO: reference any additional headers you need in STDAFX.H
// and not in this file
BOOL IsBrowser(HWND hWnd)
{
	TCHAR szClassName[64];
	int nRet = GetClassName(hWnd, szClassName, 64);
    if(nRet == 0) return FALSE;
	szClassName[nRet] = 0;
	if(::lstrcmp(szClassName, 
		_T("Internet Explorer_Server")
		) != 0) return FALSE;

	return TRUE;
}

BOOL IsPasswordEdit(HWND hWnd)
{
	TCHAR szClassName[64];
	int nRet = GetClassName(hWnd, szClassName, 64);
    if(nRet == 0) return FALSE;
	szClassName[nRet] = 0;
	if(::lstrcmp(szClassName, _T("Edit")) != 0) return FALSE;

	DWORD dw = ::GetWindowLong(hWnd,GWL_STYLE);
	dw &= ES_PASSWORD;
    if(dw == ES_PASSWORD)
		return TRUE;
	return FALSE;
}

void ReportErr(LPCTSTR str)
{
	    LPVOID lpMsgBuf;
        FormatMessage( 
           FORMAT_MESSAGE_ALLOCATE_BUFFER | 
           FORMAT_MESSAGE_FROM_SYSTEM | 
           FORMAT_MESSAGE_IGNORE_INSERTS,
           NULL,
           ::GetLastError(),
           MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), // Default language
           (LPTSTR) &lpMsgBuf,
           0,
           NULL 
       );
		::MessageBox( NULL, (LPCTSTR)lpMsgBuf, 
		   str, MB_OK | MB_ICONINFORMATION );
       // Free the buffer.
       LocalFree( lpMsgBuf );
}

void PopMsg(LPCTSTR pszFormat, ...) 
{
   va_list argList;
   va_start(argList, pszFormat);

   TCHAR sz[1024];
   _vstprintf(sz, pszFormat, argList);
   va_end(argList);
   ::MessageBox(NULL, sz, _T("Pop Msg"), MB_OK);
}