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VC++信息安全编程(4)创建Windows服务

来源: yincheng01 分享至:

Microsoft Windows 服务(即,以前的 NT 服务)使您能够创建在它们自己的 Windows 会话中可长时间运行的可执行应用程序。这些服务可以在计算机启动时自动启动,可以暂停和重新启动而且不显示任何用户界面。这使服务非常适合在服务器上使用,或任何时候,为了不影响在同一台计算机上工作的其他用户,需要长时间运行功能时使用。还可以在不同于登录用户的特定用户帐户或默认计算机帐户的安全上下文中运行服务。

请见代码注释分析Windows服务

#include "stdafx.h"
#include "myservice.h"
#include "myserviceDlg.h"

#include "winsvc.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()

/////////////////////////////////////////////////////////////////////////////
// CMyserviceDlg dialog

CMyserviceDlg::CMyserviceDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyserviceDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyserviceDlg)
		// 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 CMyserviceDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyserviceDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyserviceDlg, CDialog)
	//{{AFX_MSG_MAP(CMyserviceDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BSERVICE, OnBservice)
	ON_BN_CLICKED(IDC_BNOTROOT, OnBnotroot)
	ON_BN_CLICKED(IDC_BDELSER, OnBdelser)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyserviceDlg message handlers

BOOL CMyserviceDlg::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
	
	// TODO: Add extra initialization here
	schSCManager=OpenSCManager(NULL,NULL,GENERIC_WRITE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMyserviceDlg::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 CMyserviceDlg::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 CMyserviceDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMyserviceDlg::OnBservice() 
{
    
    TCHAR szPath[512];
	//CString aa;
	//aa.Format("%s",szPath);
	//CString *bb=aa;
	::GetModuleFileName(NULL,szPath,512);
	
	if(schSCManager)
	{
		::AfxMessageBox("open servicemanager succeed!");
		schService=::CreateService(schSCManager,"myservice","myservice",SERVICE_ALL_ACCESS,SERVICE_WIN32_OWN_PROCESS,SERVICE_AUTO_START,SERVICE_ERROR_NORMAL,szPath,NULL,NULL,NULL,NULL,NULL);
	if(schService)
	{
		::AfxMessageBox("create service succeed!");
		/* SERVICE_TABLE_ENTRY DispatchTable[] = 
		 { 
			 {"myservice",(LPSERVICE_MAIN_FUNCTION)MyServiceMain}, //服务程序的名称和入口点; 
			 {NULL  ,NULL} //SERVICE_TABLE_ENTRY结构必须以"NULL"结束; 
		 }; 
         StartServiceCtrlDispatcher(DispatchTable);
		 ::QueryServiceStatus(schService,ssStatus);
		 ServiceStatusHandle=RegisterServiceCtrlHandler("ntkrnl",CmdControl);*/
		::CloseServiceHandle(schService);
	}
	else
	{
		::AfxMessageBox("create service failed!");
	}
	::CloseServiceHandle(schSCManager);
	}
	else
		AfxMessageBox("open servicemanager failed!");
	
}

void CMyserviceDlg::OnBnotroot() 
{
	::ChangeServiceConfig(schService,SERVICE_NO_CHANGE,SERVICE_DISABLED,SERVICE_DEMAND_START,NULL,NULL,NULL,NULL,NULL,NULL,"my service");	
}

void CMyserviceDlg::OnBdelser() 
{
	schService=::OpenService(schSCManager,"myservice",DELETE);
	if(schService)
	{
		AfxMessageBox("Delete Service succeed!");
	    ::DeleteService(schService);
        ::CloseServiceHandle(schService);
	}
	else
		AfxMessageBox("Delete Service failed!");
	//::DeleteFile(bb);
}

/*void CMyserviceDlg::MyServiceMain(DWORD argc,LPTSTR *argv)
{
	HANDEL sshStatusHandle;
	sshStatusHandle=RegisterServiceCtrlHandler("myservice",ServiceControlHandler);
	if(!sshStatusHandle)
		goto clearnup:
	m_ssStatus.
}*/


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