一个局域网的IP地址扫描器,可扫描到局域网的所有机器...

// NBTSTATDlg.cpp : implementation file // #include "stdafx.h" #include "NBTSTAT.h" #include "NBTSTATDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif #define destPORT 137 //nbtstat name port #define myPORT 4321 ///////////////////////////////////////////////////////////////////////////// // CNBTSTATDlg dialog //--------------------------------var------------------------------- CNBTSTATDlg* pDlg; BYTE bs[50]={0x0,0x00,0x0,0x10,0x0,0x1,0x0,0x0,0x0,0x0, 0x0,0x0,0x20,0x43,0x4b,0x41,0x41,0x41,0x41,0x41, 0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41, 0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41, 0x41,0x41,0x41,0x41,0x41,0x0,0x0,0x21,0x0,0x1}; unsigned char B1[4],B2[4]; HANDLE wait_handle; CString strOldIP=""; bool bExit=false; int i; //------------------------------------------------------------------ CNBTSTATDlg::CNBTSTATDlg(CWnd* pParent /*=NULL*/) : CDialog(CNBTSTATDlg::IDD, pParent) { //{{AFX_DATA_INIT(CNBTSTATDlg) // 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); //--------------------------------------------- pDlg=this; if(!m_UDPSocket.Create(myPORT,SOCK_DGRAM)) { AfxMessageBox("Failed Create Socket"); } //--------------------------------------------- } void CNBTSTATDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CNBTSTATDlg) DDX_Control(pDX, IDC_SPIN1, m_spin); DDX_Control(pDX, IDC_LIST1, m_ListBox); DDX_Control(pDX, IDC_IPADDRESS2, m_IPEdit2); DDX_Control(pDX, IDC_LIST3, m_ListView); DDX_Control(pDX, IDC_IPADDRESS1, m_IPEdit1); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CNBTSTATDlg, CDialog) //{{AFX_MSG_MAP(CNBTSTATDlg) ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BTN_SEND, OnBtnSend) ON_NOTIFY(IPN_FIELDCHANGED, IDC_IPADDRESS1, OnFieldchangedIpaddress1) ON_BN_CLICKED(IDC_BTN_EXIT, OnBtnExit) ON_BN_CLICKED(IDC_BTN_SAVE, OnBtnSave) ON_NOTIFY(NM_DBLCLK, IDC_LIST3, OnDblclkListView) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CNBTSTATDlg message handlers BOOL CNBTSTATDlg::OnInitDialog() { CDialog::OnInitDialog(); // 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 m_IPEdit1.SetAddress(192,168,0,1); //设置ip地址默认范围 m_IPEdit2.SetAddress(192,168,0,255); wait_handle=CreateEvent(NULL,true,false,"receive data");//创建处于非触发状态的事件。类型为手动 GetDlgItem(IDC_BTN_EXIT)->EnableWindow(false); m_spin.SetRange(20,10000); m_spin.SetPos(20); // -----------------ListView 初始化--------------------- DWORD dwStyle=GetWindowLong(m_ListView.GetSafeHwnd(),GWL_STYLE); dwStyle&=~LVS_TYPEMASK; dwStyle|=LVS_REPORT; SetWindowLong(m_ListView.GetSafeHwnd(),GWL_STYLE,dwStyle); m_ListView.InsertColumn(0,"MAC地址",LVCFMT_LEFT,120); m_ListView.InsertColumn(0,"用户\\其它",LVCFMT_LEFT,100); m_ListView.InsertColumn(0,"主机",LVCFMT_LEFT,80); m_ListView.InsertColumn(0,"工作组",LVCFMT_LEFT,80); m_ListView.InsertColumn(0,"IP地址",LVCFMT_LEFT,100); m_ListView.SetExtendedStyle(LVS_EX_GRIDLINES); ::SendMessage(m_ListView.m_hWnd, LVM_SETEXTENDEDLISTVIEWSTYLE, LVS_EX_FULLROWSELECT, LVS_EX_FULLROWSELECT); //---------------------------------------------------------- return TRUE; // return TRUE unless you set the focus to a control } // 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 CNBTSTATDlg::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 CNBTSTATDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } //--------------------------nbtstat线程---------------------- UINT NbtstatThread(LPVOID param) { //循环对要查询的ip发数据 do { if(bExit) //是否退出线程 { AfxMessageBox("exit thread!"); pDlg->GetDlgItem(IDC_BTN_SEND)->EnableWindow(true); pDlg->GetDlgItem(IDC_EDIT1)->EnableWindow(true); pDlg->GetDlgItem(IDC_SPIN1)->EnableWindow(true); pDlg->GetDlgItem(IDC_IPADDRESS1)->EnableWindow(true); pDlg->GetDlgItem(IDC_IPADDRESS2)->EnableWindow(true); pDlg->GetDlgItem(IDC_BTN_EXIT)->EnableWindow(false); bExit=false; return 1; } pDlg->m_strIP.Format("%d.%d.%d.%d",B1[0],B1[1],B1[2],B1[3]);//得到ip pDlg->m_ListBox.InsertString(0,pDlg->m_strIP);//将该ip插入ListView的ip字段 // if(B1[3]!=0&&B1[2]!=0) //此句限制了很多网段的扫描 int len; if(B1[3]!=0&&B1[1]!=0) len = pDlg->m_UDPSocket.SendTo((void*)bs,50,destPORT,pDlg->m_strIP,0);//向指定的ip发数据报 int nWait=pDlg->m_spin.GetPos();//设置超时 if (len == 50) { WaitForSingleObject( wait_handle, // 等待事件的句柄 nWait // 超时 ); ResetEvent(wait_handle);//将事件重新置回非触发状态 } //============================================= //生成下一个要查询的ip if(B1[2]<=B2[2]) { if(B1[3]<B2[3])B1[3]++; else if(B1[2]<B2[2]&&B1[3]<255)B1[3]++; else if(B1[2]<B2[2]&&B1[3]==255) { B1[3]=0; B1[2]++; } } else break; if(B1[3]>=B2[3]&&B1[2]>=B2[2]) break; }while(B1[2]<=255&&B1[3]<=255); pDlg->m_ListBox.InsertString(0,"-----complete!-----"); pDlg->GetDlgItem(IDC_BTN_SEND)->EnableWindow(true); pDlg->GetDlgItem(IDC_EDIT1)->EnableWindow(true); pDlg->GetDlgItem(IDC_SPIN1)->EnableWindow(true); pDlg->GetDlgItem(IDC_IPADDRESS1)->EnableWindow(true); pDlg->GetDlgItem(IDC_IPADDRESS2)->EnableWindow(true); pDlg->GetDlgItem(IDC_BTN_EXIT)->EnableWindow(false); return 0; } //----------------------------------------------------------- void CNBTSTATDlg::OnBtnSend() { //从ip控件得到要查询的ip范围 m_IPEdit1.GetAddress(B1[0],B1[1],B1[2],B1[3]); m_IPEdit2.GetAddress(B2[0],B2[1],B2[2],B2[3]); //判断ip范围是否合法 if(B2[2]<B1[2]) { AfxMessageBox("终止地址应大于起始地址！"); return ; } else if(B2[2]==B1[2]&&B2[3]<B1[3]) { AfxMessageBox("终止地址应大于起始地址！"); return ; } if(B2[0]!=B1[0]||B2[1]!=B1[1]) { AfxMessageBox("不支持A类或B类网！"); return ; } //设置相关按钮状态 GetDlgItem(IDC_BTN_SEND)->EnableWindow(false); GetDlgItem(IDC_EDIT1)->EnableWindow(false); GetDlgItem(IDC_SPIN1)->EnableWindow(false); GetDlgItem(IDC_IPADDRESS1)->EnableWindow(false); GetDlgItem(IDC_IPADDRESS2)->EnableWindow(false); GetDlgItem(IDC_BTN_EXIT)->EnableWindow(true); //启动线程 m_ListBox.ResetContent( ); m_ListView.DeleteAllItems( ); AfxBeginThread(NbtstatThread,this->GetSafeHwnd(),THREAD_PRIORITY_NORMAL); } /* void CNBTSTATDlg::OnReceive() { BYTE Buf[512]; memset(Buf, 0, sizeof(Buf)); CString str,strIP,strHost,strHex,strMac,Host,Group,User; UINT dport; m_UDPSocket.ReceiveFrom(Buf,512,strIP,dport,0);//接收数据 //如果接收到的ip为空或者与原来接收到的ip相同，则返回 if(strIP==(char)NULL||strIP==strOldIP) re