www.pudn.com > DrvFltIp_source.zip > testDrvDlg.cpp

// testDrvDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "testDrv.h" 
#include "winioctl.h" 
#include "testDrvDlg.h" 
 
#include "sockUtil.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 
 
class CAboutDlg : public CDialog 
{ 
public: 
	CAboutDlg(); 
 
// Dialog Data 
	//{{AFX_DATA(CAboutDlg) 
	enum { IDD = IDD_ABOUTBOX }; 
	//}}AFX_DATA 
 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CAboutDlg) 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
	//}}AFX_VIRTUAL 
 
// Implementation 
protected: 
	//{{AFX_MSG(CAboutDlg) 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
	//{{AFX_DATA_INIT(CAboutDlg) 
	//}}AFX_DATA_INIT 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CAboutDlg) 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
	//{{AFX_MSG_MAP(CAboutDlg) 
		// No message handlers 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTestDrvDlg dialog 
 
CTestDrvDlg::CTestDrvDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CTestDrvDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CTestDrvDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CTestDrvDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CTestDrvDlg) 
	DDX_Control(pDX, IDC_BUTTON2, m_bStop); 
	DDX_Control(pDX, IDC_BUTTON1, m_bStart); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CTestDrvDlg, CDialog) 
	//{{AFX_MSG_MAP(CTestDrvDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_BUTTON1, OnStart) 
	ON_BN_CLICKED(IDC_BUTTON2, OnStop) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTestDrvDlg message handlers 
 
BOOL CTestDrvDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Add "About..." menu item to system menu. 
 
	// IDM_ABOUTBOX must be in the system command range. 
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 
	ASSERT(IDM_ABOUTBOX < 0xF000); 
 
	CMenu* pSysMenu = GetSystemMenu(FALSE); 
	if (pSysMenu != NULL) 
	{ 
		CString strAboutMenu; 
		strAboutMenu.LoadString(IDS_ABOUTBOX); 
		if (!strAboutMenu.IsEmpty()) 
		{ 
			pSysMenu->AppendMenu(MF_SEPARATOR); 
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 
		} 
	} 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
	 
	//we load the IPFilter Driver 
	filterDriver.LoadDriver("IpFilterDriver", "System32\\Drivers\\IpFltDrv.sys", NULL, TRUE); 
 
	//we don't deregister the driver at destructor 
	filterDriver.SetRemovable(FALSE); 
 
	//we load the Filter-Hook Driver 
	ipFltDrv.LoadDriver("DrvFltIp", NULL, NULL, TRUE); 
	 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CTestDrvDlg::OnSysCommand(UINT nID, LPARAM lParam) 
{ 
	if ((nID & 0xFFF0) == IDM_ABOUTBOX) 
	{ 
		CAboutDlg dlgAbout; 
		dlgAbout.DoModal(); 
	} 
	else 
	{ 
		CDialog::OnSysCommand(nID, lParam); 
	} 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CTestDrvDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
 
		// Center icon in client rectangle 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// Draw the icon 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CDialog::OnPaint(); 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CTestDrvDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
 
BOOL CTestDrvDlg::AddFilter(IPFilter pf) 
{ 
	//we send the rule to the driver 
	DWORD result = ipFltDrv.WriteIo(ADD_FILTER, &pf, sizeof(pf)); 
 
	if (result != DRV_SUCCESS)  
	{ 
		AfxMessageBox("DeviceIoControl ADD_IP_HOOK"); 
 
		return FALSE; 
	} 
 
	else 
		return TRUE; 
} 
 
void CTestDrvDlg::OnStart()  
{ 
	DWORD result; 
 
	//first i send one rule, for example, not permit icmp traffic	 
	IPFilter pf; 
/* 
	pf.protocol = 1;			//ICMP protocol 
	pf.destinationIp = 0;		//all destinations 
	pf.sourceIp = 0;			//all sources 
	pf.destinationMask = 0; 
	pf.sourceMask = 0; 
	pf.destinationPort = 0;		//all ports. As protocol isnt tcp neither udp, we can pass other values 
	pf.sourcePort = 0;			//all ports. As protocol isnt tcp neither udp, we can pass other values 
	pf.drop = TRUE;				//drop all this traffic 
 
	result = AddFilter(pf);		//send the rule 
*/ 
 
	//second, other rule. Web traffic is not allowed in this server 
	pf.protocol = 6;									//TCP protocol 
	pf.destinationIp = inet_addr("127.0.0.1");			//127.0.0.1, this host 
	pf.sourceIp = 0;									//all sources 
	pf.destinationMask = inet_addr("255.255.255.255");	//source address mask 
	pf.sourceMask = 0;									//destination address mask 
	pf.destinationPort = htons(80);						//all ports. As protocol isnt tcp neither udp, we can pass other values 
	pf.sourcePort = 0;									//all ports. As protocol isnt tcp neither udp, we can pass other values 
	pf.drop = TRUE;										//drop all this traffic 
 
	result = AddFilter(pf);		//send the rule 
 
 
	// then i start to filter 
	if(ipFltDrv.WriteIo(START_IP_HOOK, NULL, 0) != DRV_ERROR_IO) 
	{ 
		m_bStart.EnableWindow(FALSE); 
		m_bStop.EnableWindow(TRUE); 
	} 
} 
 
void CTestDrvDlg::OnStop()  
{ 
	//stop the driver and clear rules 
	if(ipFltDrv.WriteIo(STOP_IP_HOOK, NULL, 0) != DRV_ERROR_IO) 
	{ 
		m_bStart.EnableWindow(TRUE); 
		m_bStop.EnableWindow(FALSE); 
	} 
	ipFltDrv.WriteIo(CLEAR_FILTER, NULL, 0); 
}