用VC++6.0实现网络监听的程序.doc

/NO_DEPENDENCIES/ Microsoft Developer Studio generated include file./ Used by SniffApp.rc/#define IDM_ABOUTBOX 0x0010#define IDD_ABOUTBOX 100#define IDS_ABOUTBOX 101#define IDD_SNIFFAPP_DIALOG 102#define IDR_MAINFRAME 128#define IDI_ICON1 129#define IDC_LIST1 1000#define IDC_BEGINLISTEN 1001#define IDC_CANCEL 1002/ Next default values for new objects/ #ifdef APSTUDIO_INVOKED#ifndef APSTUDIO_READONLY_SYMBOLS#define _APS_NEXT_RESOURCE_VALUE 130#define _APS_NEXT_COMMAND_VALUE 32771#define _APS_NEXT_CONTROL_VALUE 1003#define _APS_NEXT_SYMED_VALUE 101#endif#endif下一部分/ SniffApp.cpp : Defines the class behaviors for the application./#include stdafx.h#include SniffApp.h#include SniffAppDlg.h#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE = _FILE_;#endif/ CSniffAppAppBEGIN_MESSAGE_MAP(CSniffAppApp, CWinApp)/AFX_MSG_MAP(CSniffAppApp)/ NOTE - the ClassWizard will add and remove mapping macros here./ DO NOT EDIT what you see in these blocks of generated code!/AFX_MSGON_COMMAND(ID_HELP, CWinApp:OnHelp)END_MESSAGE_MAP()/ CSniffAppApp constructionCSniffAppApp:CSniffAppApp()/ TODO: add construction code here,/ Place all significant initialization in InitInstance/ The one and only CSniffAppApp objectCSniffAppApp theApp;/ CSniffAppApp initializationBOOL CSniffAppApp:InitInstance()AfxEnableControlContainer();/ Standard initialization/ If you are not using these features and wish to reduce the size/ of your final executable, you should remove from the following/ the specific initialization routines you do not need.#ifdef _AFXDLLEnable3dControls();/ Call this when using MFC in a shared DLL#elseEnable3dControlsStatic();/ Call this when linking to MFC statically#endif/初始化套接字WSADATA data;AfxSocketInit(&data);/WSAStartup(2,&data);CSniffAppDlg dlg;m_pMainWnd = &dlg;int nResponse = dlg.DoModal();if (nResponse = IDOK)/ TODO: Place code here to handle when the dialog is/ dismissed with OKelse if (nResponse = IDCANCEL)/ TODO: Place code here to handle when the dialog is/ dismissed with Cancel/ Since the dialog has been closed, return FALSE so that we exit the/ application, rather than start the applications message pump.return FALSE;再下一篇/ SniffApp.h : main header file for the SNIFFAPP application/#if !defined(AFX_SNIFFAPP_H_2D147315_8DFA_4AD1_9CA1_7C609AB716B0_INCLUDED_)#define AFX_SNIFFAPP_H_2D147315_8DFA_4AD1_9CA1_7C609AB716B0_INCLUDED_#if _MSC_VER 1000#pragma once#endif / _MSC_VER 1000#ifndef _AFXWIN_H_#error include stdafx.h before including this file for PCH#endif#include resource.h/ main symbols/ CSniffAppApp:/ See SniffApp.cpp for the implementation of this class/#include winsock2.h#pragma comment (lib,ws2_32.lib)#include AFXSOCK.Hclass CSniffAppApp : public CWinApppublic:CSniffAppApp();/ Overrides/ ClassWizard generated virtual function overrides/AFX_VIRTUAL(CSniffAppApp)public:virtual BOOL InitInstance();/AFX_VIRTUAL/ Implementation/AFX_MSG(CSniffAppApp)/ NOTE - the ClassWizard will add and remove member functions here./ DO NOT EDIT what you see in these blocks of generated code !/AFX_MSGDECLARE_MESSAGE_MAP();/AFX_INSERT_LOCATION/ Microsoft Visual C+ will insert additional declarations immediately before the previous line.#endif / !defined(AFX_SNIFFAPP_H_2D147315_8DFA_4AD1_9CA1_7C609AB716B0_INCLUDED_)下下/ SniffAppDlg.cpp : implementation file/#include stdafx.h#include SniffApp.h#include SniffAppDlg.h#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE = _FILE_;#endif/ CAboutDlg dialog used for App Aboutclass CAboutDlg : public CDialogpublic: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/ Implementationprotected:/AFX_MSG(CAboutDlg)/AFX_MSGDECLARE_MESSAGE_MAP();CAboutDlg:CAboutDlg() : CDialog(CAboutDlg:IDD)/AFX_DATA_INIT(CAboutDlg)/AFX_DATA_INITvoid CAboutDlg:DoDataExchange(CDataExchange* pDX)CDialog:DoDataExchange(pDX);/AFX_DATA_MAP(CAboutDlg)/AFX_DATA_MAPBEGIN_MESSAGE_MAP(CAboutDlg, CDialog)/AFX_MSG_MAP(CAboutDlg)/ No message handlers/AFX_MSG_MAPEND_MESSAGE_MAP()/ CSniffAppDlg dialogPROTONAME protos11 = IPPROTO_IP ,IP,IPPROTO_ICMP,ICMP,IPPROTO_IGMP,IGMP,IPPROTO_GGP,GGP,IPPROTO_TCP,TCP,IPPROTO_PUP,PUP,IPPROTO_UDP,UDP,IPPROTO_IDP,IDP,IPPROTO_ND,ND,IPPROTO_RAW,RAW,IPPROTO_MAX,MAX;char* get_protoname(int protoID)for (int i= 0; iLoadIcon(IDR_MAINFRAME);m_pThread = NULL;void CSniffAppDlg:DoDataExchange(CDataExchange* pDX)CDialog:DoDataExchange(pDX);/AFX_DATA_MAP(CSniffAppDlg)DDX_Control(pDX, IDC_LIST1, m_List);/AFX_DATA_MAPBEGIN_MESSAGE_MAP(CSniffAppDlg, CDialog)/AFX_MSG_MAP(CSniffAppDlg)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_BEGINLISTEN, OnBeginlisten)ON_BN_CLICKED(IDC_CANCEL, OnCancel)/AFX_MSG_MAPEND_MESSAGE_MAP()/ CSniffAppDlg message handlersBOOL CSniffAppDlg: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 AppendMenu(MF_SEPARATOR);pSysMenu-AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);/ Set the icon for this dialog. The framework does this automatically/ when the applications main window is not a dialogSetIcon(m_hIcon, TRUE);/ Set big iconSetIcon(m_hIcon, FALSE);/ Set small iconm_List.SetExtendedStyle(LVS_EX_FLATSB|LVS_EX_GRIDLINES|LVS_EX_TWOCLICKACTIVATE);m_List.InsertColumn(0,协议,LVCFMT_LEFT,80);m_List.InsertColumn(1,源IP地址,LVCFMT_LEFT,120);m_List.InsertColumn(2,目的IP地址,LVCFMT_LEFT,120);m_List.InsertColumn(3,通信端口,LVCFMT_LEFT,80);m_List.InsertColumn(4,大小,LVCFMT_LEFT,100);m_List.InsertColumn(5,数据,LVCFMT_LEFT,120);return TRUE; / return TRUE unless you set the focus to a controlvoid CSniffAppDlg:OnSysCommand(UINT nID, LPARAM lParam)if (nID & 0xFFF0) = IDM_ABOUTBOX)CAboutDlg dlgAbout;dlgAbout.DoModal();elseCDialog: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 CSniffAppDlg:OnPaint() if (IsIconic()CPaintDC dc(this); / device context for paintingSendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);/ Center icon in client rectangleint 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 icondc.DrawIcon(x, y, m_hIcon);elseCDialog:OnPaint();/ The system calls this to obtain the cursor to display while the user drags/ the minimized window.HCURSOR CSniffAppDlg:OnQueryDragIcon()return (HCURSOR) m_hIcon;void CSniffAppDlg:OnOK() /线程函数UINT ThreadFun( LPVOID pParam )CSniffAppDlg* pDlg = static_cast(pParam);MSG msg;char buffer1000,sourceip32 ,*tempbuf;char *ptemp;BYTE* pData = NULL; /实际数据报中的数据UINT sourceport ;CString str;HEADIP* pHeadIP;HEADICMP* pHeadICMP;HEADUDP* pHeadUDP;HEADTCP* pHeadTCP;in_addr addr;int ret;while (TRUE)pData = NULL;if (PeekMessage(&msg,pDlg-m_hWnd,WM_CLOSE,WM_CLOSE,PM_NOREMOVE )closesocket(pDlg-m_Sock);break;memset(buffer,0,1000);ret = recv(pDlg-m_Sock,buffer,1000,0);if (ret = SOCKET_ERROR)continue;else /接收到数据tempbuf = buffer;pHeadIP = (HEADIP*)tempbuf;/获取数据报总长度WORD len = ntohs(pHeadIP-totallen);/获取源IPpDlg-m_List.InsertItem(pDlg-m_List.GetItemCount(),);addr.S_un.S_addr = pHeadIP-sourceIP;ptemp = inet_ntoa(addr);pDlg-m_List.SetItemText(pDlg-m_List.GetItemCount()-1,1,ptemp);/获取目的IPaddr.S_un.S_addr = pHeadIP-destIP;ptemp = inet_ntoa(addr);pDlg-m_List.SetItemText(pDlg-m_List.GetItemCount()-1,2,ptemp);/获取协议名称ptemp = get_protoname(pHeadIP-proto);strcpy(sourceip,ptemp);pDlg-m_List.SetItemText(pDlg-m_List.GetItemCount()-1,0,sourceip);/获取IP数据报总长度WORD ipSumLen = ntohs(pHeadIP-totallen);/IP数据报头总长度int ipHeadLen = 20;/获得去除IP层数据的长度WORD netlen = ipSumLen - ipHeadLen;/根据不同大协议获得不同协议的数据switch (pHeadIP-proto)case IPPROTO_ICMP:pHeadICMP = (HEADICMP*)(tempbuf+20); pData = (BYTE*)(pHeadICMP)+4; /ICMP数据报头共4个字节/获取数据的长度netlen -= 4;break;case IPPROTO_UDP:pHeadUDP = (HEADUDP*)(tempbuf+20); pData = (BYTE*)pHeadUDP+8; /UDP数据报头共8个字节sourceport = ntohs(pHeadUDP-SourcePort);str.Format(%d,sourceport);/设置源端口pDlg-m_List.SetItemText(pDlg-m_List.GetItemCount()-1,3,str);str.Empty();netlen -= 8;break;case IPPROTO_TCP:pHeadTCP = (HEADTCP*)(tempbuf+20);sourceport = ntohs(pHeadTCP-SourcePort);pData = (BYTE*)pHeadTCP+20; /TCP数据报头共20个字节 str.Format(%d,sourceport);/设置源端口pDlg-m_List.SetItemText(pDlg-m_List.GetItemCount()-1,3,str);str.Empty();netlen-= 20;break;/设置数据大小str.Format(%d,netlen);pDlg-m_List.SetItemText(pDlg-m_List.GetItemCount()-1,4,str);str.Empty();/设置数据if (pData != NULL)str.Format( %s,pData);pDlg-m_List.SetItemText(pDlg-m_List.GetItemCount()-1,5,str);str.Empty();return 0;void CSniffAppDlg:OnBeginlisten() /创建套接字m_Sock = socket(AF_INET,SOCK_RAW, IPPROTO_IP );char name128;memset(name,0,128);hostent* phostent;phostent = gethostbyname(name);DWORD ip;ip = inet_addr(inet_ntoa(*(in_addr*)phostent-h_addr_list0);int timeout = 4000; /超时4秒/设置接收数据的超时时间setsockopt(m_Sock,SOL_SOCKET,SO_RCVTIMEO,(const char*)&timeout,sizeof(timeout);sockaddr_in skaddr;skaddr.sin_family = AF_INET;skaddr.sin_port = htons(700);skaddr.sin_addr.S_un.S_addr = ip;/绑定地址if ( bind(m_Sock,(sockaddr*)&skaddr,sizeof(skaddr)=SOCKET_ERROR)MessageBox(地址绑定错误);return;DWORD inBuffer=1;DWORD outBuffer10;DWORD reValue = 0;if (WSAIoctl(m_Sock,SIO_RCVALL,&inBuffer,sizeof(inBuffer),&outBuffer,sizeof(outBuffer),&reValue,NULL,NULL)=SOCKET_ERROR)MessageBox(设置缓冲区错误.);closesocket(m_Sock);return;elsem_pThread = AfxBeginThread(ThreadFun,(void*)this);void CSniffAppDlg:OnCancel()if (m_pThread)/m_pThread-ExitInstance();delete m_pThread;closesocket( m_Sock) ;CD