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 | 作者: wuaixue [wuaixue]
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| 请问各位: 在坐的各位有会网络监听的,本人有一些问题想要请教一下. 就是关于一个监听程序的,程序如下:// listenDlg.cpp : implementation file // #include "stdafx.h" #include "listen.h" #include "listenDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CListenDlg dialog BOOL b_IsRun=FALSE; UINT RecvIpPro(LPVOID lpParam); char* GetIp(); CString GetNowTime(); BOOL CreateLogFile(char *strInfo,char *strFileName="log.txt"); BOOL CALLBACK DialogProc(HWND hwndDlg,UINT uMsg, WPARAM wParam,LPARAM lParam); CListenDlg::CListenDlg(CWnd* pParent /*=NULL*/) : CDialog(CListenDlg::IDD, pParent) { //{{AFX_DATA_INIT(CListenDlg) m_iWprot = 0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_IsAllPort=TRUE; m_IsAllIp=TRUE; m_IsAllProto=TRUE; m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CListenDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CListenDlg) DDX_Control(pDX, IDC_LIST1, m_NewList); DDX_Text(pDX, IDC_EDIT1, m_iWprot); DDV_MinMaxInt(pDX, m_iWprot, 0, 10000); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CListenDlg, CDialog) //{{AFX_MSG_MAP(CListenDlg) ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON1, OnButton1) ON_BN_CLICKED(IDC_BUTTON3, OnButton3) ON_BN_CLICKED(IDC_RADIO2, OnRadio2) ON_BN_CLICKED(IDC_RADIO3, OnRadio3) ON_BN_CLICKED(IDC_RADIO1, OnRadio1) ON_BN_CLICKED(IDC_RADIO4, OnRadio4) ON_BN_CLICKED(IDC_RADIO5, OnRadio5) ON_BN_CLICKED(IDC_RADIO6, OnRadio6) ON_BN_CLICKED(IDC_RADIO7, OnRadio7) ON_BN_CLICKED(IDC_RADIO8, OnRadio8) ON_COMMAND(ID_COPY_SIP, OnCopySip) ON_COMMAND(ID_COPY_DIP, OnCopyDip) ON_WM_SYSCOMMAND() ON_LBN_SELCHANGE(IDC_LIST1, OnSelchangeList1) ON_WM_DESTROY() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CListenDlg message handlers BOOL CListenDlg::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 if(!InitSock()) return FALSE; //添加系统菜单 CMenu *pMenu=GetSystemMenu(FALSE); AppendMenu(pMenu->m_hMenu,MF_SEPARATOR,0,NULL); AppendMenu(pMenu->m_hMenu,MF_STRING,IDM_SYSMENU,"关于..."); //初始化控件 ((CButton *)GetDlgItem(IDC_RADIO2))->SetCheck(TRUE); ((CButton *)GetDlgItem(IDC_RADIO1))->SetCheck(TRUE); ((CButton *)GetDlgItem(IDC_RADIO5))->SetCheck(TRUE); //初始化临界区对象 InitializeCriticalSection(&m_ls); //建立显示IP包窗口 m_IpShowDlg.Create(IDD_IPDATA,this); m_IpShowDlg.ShowWindow(SW_SHOW); CRect rect; GetClientRect(&rect); // ClientToScreen(&rect); m_IpShowDlg.MoveWindow(10,265,rect.right-20,100); 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 CListenDlg::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 CListenDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CListenDlg::OnButton1() { // TODO: Add your control notification handler code here CWinThread *pThread=NULL; CButton* pBtn=(CButton *)GetDlgItem(IDC_BUTTON1); int n=pBtn->GetCheck(); m_HostIp=GetIp(); //得到本机IP if(1==n) //开始监听 { if(CreateSock()!=0) //建立 { AfxMessageBox("WinSock设置失败"); DestroyWindow(); } else { b_IsRun=TRUE; pThread=AfxBeginThread(RecvIpPro,this); } pBtn->SetWindowText("停止监听"); } else //停止监听 { b_IsRun=FALSE; if(pThread) { TerminateThread(pThread->m_hThread, 0); CloseHandle(pThread->m_hThread); } if(m_RawSock) closesocket(m_RawSock); pBtn->SetWindowText("开始监听"); } } //在线程冲中不断接受IP包 UINT RecvIpPro(LPVOID lpParam) { int err=0; int recvLen; CListenDlg* pDlg=(CListenDlg*)lpParam; char recvBuf[MAX_PACK_LEN]={0}; while(b_IsRun) { recvLen=recv(pDlg->m_RawSock,recvBuf,MAX_PACK_LEN,0);//接受数据 if(err==SOCKET_ERROR) { if(WSAGetLastError()==WSAEWOULDBLOCK) //如果错误为阻塞那么将继续接受 continue; break; } //处理已经接受到的IP包 EnterCriticalSection(&pDlg->m_ls); pDlg->SplitIpPack(recvBuf,recvLen); //分解IP包 pDlg->ShowIpInfo(recvBuf,recvLen); //显示数据 LeaveCriticalSection(&pDlg->m_ls); } return 0; } //加载SOCK BOOL CListenDlg::InitSock() { WSADATA wsaData; int err; if((err=WSAStartup(MAKEWORD(2,2),&wsaData))!=0) //加载失败 return FALSE; if (LOBYTE(wsaData.wVersion)!=2 || HIBYTE(wsaData.wVersion) != 2) { WSACleanup();//未能要求到所需的版本 return FALSE; } return TRUE; } //建立原始套接字 int CListenDlg::CreateSock() { int err; char name[10]; hostent *pHostent; int port=8310; SOCKADDR_IN sockaddr; m_RawSock=socket(AF_INET,SOCK_RAW,IPPROTO_IP); if(m_RawSock==INVALID_SOCKET) { return WSAGetLastError(); //socket创建失败 } err=gethostname(name,10); if(err==SOCKET_ERROR) { return WSAGetLastError(); //取本机用户名失败 } pHostent=gethostbyname (name); sockaddr.sin_family=AF_INET; sockaddr.sin_port=htons(port); memcpy(&sockaddr.sin_addr.s_addr,pHostent->h_addr_list[0], pHostent->h_length); //free(pHostent); err=bind(m_RawSock,(SOCKADDR *)&sockaddr,sizeof(sockaddr));//绑定 if(err==SOCKET_ERROR) { return WSAGetLastError(); //取本机用户名失败 } BOOL bOptval=TRUE; //设置套节字选项 setsockopt(m_RawSock,SOL_SOCKET,SO_REUSEADDR,(char*)&bOptval,sizeof(bOptval)); err=setsockopt(m_RawSock,IPPROTO_IP,IP_HDRINCL,(char*)&bOptval, //IP_HDRINCL该选项使之能操作IP头 sizeof(bOptval)); if(err==SOCKET_ERROR) { return WSAGetLastError(); //设置套节字选项失败 } //把网卡置于混杂模式。获取IO操作的相关信息 DWORD dwBufferLen[10] ; DWORD dwBufferInLen = 1 ; DWORD dwBytesReturned = 0 ; err=WSAIoctl ( m_RawSock, SIO_RCVALL, //设置SOCK_RAW为SIO_RCVALL，以便接收所有的IP包 &dwBufferInLen, sizeof(dwBufferInLen), &dwBufferLen, sizeof(dwBufferLen), &dwBytesReturned, NULL, NULL );//最后两参数设置非阻塞 if(err==SOCKET_ERROR) { return WSAGetLastError(); //设置套节字选项失败 } return 0; } //分解IP包 void CListenDlg::SplitIpPack(char *pData, int len) { IP_HEADER* pIpHead; pIpHead=(IP_HEADER*)pData; //转为IP头结构 SOCKADDR_IN saSource,saDest; //中间变量分别为源IP地址结构和目标IP地址结构 //得到包中协议 int iProtocol; iProtocol=pIpHead->proto; //得到协议字符形式表示m_szProtocol strncpy(m_szProtocol,CheckProtocol(iProtocol),MAX_PROTO_TEXT_LEN); //得到源IP saSource.sin_addr.s_addr=pIpHead->sourceIP; strncpy(m_szSourceIP,inet_ntoa(saSource.sin_addr),MAX_ADDR_LEN); //得到目标IP saDest.sin_addr.s_addr=pIpHead->destIP; strncpy(m_szDestIP,inet_ntoa(saDest.sin_addr),MAX_ADDR_LEN); //得到TTL int ttl; ttl=pIpHead->ttl; wsprintf(m_szTTL,"%d",ttl); //得到头长度 int ihLen=sizeof(unsigned long)*(pIpHead->h_lenver & 0xf); m_ihLen=ihLen; unsigned short srcPort=0,destPort=0; switch(iProtocol) { case IPPROTO_TCP: TCP_HEADER* pTcpHead; pTcpHead=(TCP_HEADER*)(pData+ihLen); srcPort=ntohs(pTcpHead->th_sport); destPort=ntohs(pTcpHead->th_dport); wsprintf(m_szSourcePort,"%d",srcPort); wsprintf(m_szDestPort,"%d",destPort); break; case IPPROTO_UDP: UDP_HEADER* pUdpHead; pUdpHead=(UDP_HEADER*)(pData+ihLen); srcPort=ntohs(pUdpHead->uh_sport); destPort=ntohs(pUdpHead->uh_dport); wsprintf(m_szSourcePort,"%d",srcPort); wsprintf(m_szDestPort,"%d",destPort); break; case IPPROTO_ICMP: ICMP_HEADER* pIcmpHead; pIcmpHead=(ICMP_HEADER*)(pData+ihLen); wsprintf(m_szSourcePort,"%s",""); wsprintf(m_szDestPort,"%s",""); break; default: wsprintf(m_szSourcePort,"%s",""); wsprintf(m_szDestPort,"%s",""); } } //将协议int转为字符串 char* CListenDlg::CheckProtocol(int iProtocol) { for(int i=0; i<MAX_PROTO_NUM; i++) { if(ProtoMap[i].ProtoNum==iProtocol) { return ProtoMap[i].ProtoText; } } return ""; } //得到本机IP char* GetIp() { WORD wVersionRequested; WSADATA wsaData; char name[255]; char *ip; PHOSTENT hostinfo; wVersionRequested = MAKEWORD( 2, 0 ); if ( WSAStartup( wVersionRequested, &wsaData ) == 0 ) { if( gethostname ( name, sizeof(name)) == 0) { if((hostinfo = gethostbyname(name)) != NULL) { ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list); } } WSACleanup( ); } return ip; } //得到当前时间 CString GetNowTime() { CTime time; CString str; time = CTime::GetCurrentTime(); str = time.Format("%Y-%m-%d %H:%M:%S"); return str; } //写入文件 BOOL CreateLogFile(char *strInfo,char *strFileName) { if (lstrlen(strInfo)<1) return FALSE; CFile file; file.Open(strFileName,CFile::modeCreate|CFile::modeReadWrite|CFile::modeNoTruncate/*modeWrite|CFile::modeRead)*/);//CFile::modeNoTruncate为不截去以前的数据，追加新数据 file.SeekToEnd(); CString temp; char *pStrInfo; temp=strInfo; temp=temp+"\r\n"; pStrInfo=temp.GetBuffer(temp.GetLength()); file.Write(pStrInfo,::lstrlen(pStrInfo)); file.Close(); return TRUE; } //复制到剪贴板 BOOL CListenDlg::SetClipboard(char* pData) { // pData="12345"; if(::lstrlen(pData)<1) return FALSE; if(!::OpenClipboard(m_hWnd)) return FALSE; ::EmptyClipboard(); HANDLE hData=::GlobalAlloc(GHND|GMEM_SHARE,::lstrlen(pData)+1); //申请全局内存 char* pToData=(char*)::GlobalLock(hData); //得到该内存的指针,锁定改内存 ::lstrcpy(pToData,pData); //将该字符串复制给该内存 ::GlobalUnlock(hData); //解锁 ::SetClipboardData(CF_TEXT,hData); ::CloseClipboard(); return TRUE; } void CListenDlg::OnButton3() { // TODO: Add your control notification handler code here DelListBuf(); //列表框清空 } //将IP记录显示到ListBox void CListenDlg::ShowIpInfo(char *pData, int len) { if(len<0) return; CString str; char szSourceIP[32]={0}; char szDestIP[32]={0}; char szSourcePort[16]={0}; //截取到的源端口 char szDestPort[16]={0}; //截取到的目标端口 char szSourceIPt[32]={0}; //截取到源IP char szDestIPt[32]={0}; //截取到目标IP char szWprot[5]={0}; //取得输入端口 char szIP[32]={0}; //取得输入IP char szProto[16]={0}; //取得输入协议 if(strcmp(m_HostIp,m_szSourceIP)==0) { strcat(szSourceIP,"(本机)"); strcat(szSourceIP,m_szSourceIP); } else strncpy(szSourceIP,m_szSourceIP,16); if(strcmp(m_HostIp,m_szDestIP)==0) { strcat(szDestIP,"(本机)"); strcat(szDestIP,m_szDestIP); } else strncpy(szDestIP,m_szDestIP,16); strncpy(szSourcePort,m_szSourcePort,5); strncpy(szDestPort,m_szDestPort,5); strncpy(szDestIPt,m_szSourceIP,32); strncpy(szSourceIPt,m_szDestIP,32); strncpy(szProto,m_szProtocol,16); wsprintf(szWprot,"%d",GetDlgItemInt(IDC_EDIT1)); GetDlgItem(IDC_EDIT2)->GetWindowText(szIP,32); BOOL bProt=m_IsAllPort|(strcmp(szSourcePort,szWprot)==0)| (strcmp(szDestPort,szWprot)==0); //判断端口规则 BOOL bIp=m_IsAllIp|(strcmp(szSourceIPt,szIP)==0)| (strcmp(szDestIPt,szIP)==0); //判断IP规则 BOOL bProto=m_IsAllProto|(strcmp(szProto,m_szProto)==0); //判断协议规则 if(bProt&&bIp&&bProto) { CString sNowTime=GetNowTime(); str.Format("[%s] %s:%s->%s:%s 包大小(头/总)%d/%d %s",m_szProtocol,szSourceIP, m_szSourcePort,szDestIP,m_szDestPort,m_ihLen,len, sNowTime.GetBuffer(sNowTime.GetLength())); int nCount=((CListBox*)GetDlgItem(IDC_LIST1))->GetCount(); if (nCount>=1000) DelListBuf(); //显示 ((CListBox*)GetDlgItem(IDC_LIST1))->AddString(str); //绑定数据 IPDATA* pIpData = new IPDATA; pIpData->len = len; pIpData->buf = new char[len]; memcpy(pIpData->buf, pData, len); ((CListBox*)GetDlgItem(IDC_LIST1))->SetItemData(nCount,(DWORD)pIpData); ((CListBox*)GetDlgItem(IDC_LIST1))->SetCaretIndex(nCount); int nCheck=((CButton*)GetDlgItem(IDC_CHECK1))->GetCheck(); if(nCheck) CreateLogFile(str.GetBuffer(/*str.GetLength()*/0)); } } //端口过滤 void CListenDlg::OnRadio2() { m_IsAllPort=TRUE; GetDlgItem(IDC_EDIT1)->EnableWindow(FALSE); } void CListenDlg::OnRadio3() { m_IsAllPort=FALSE; GetDlgItem(IDC_EDIT1)->EnableWindow(TRUE); } //IP过滤 void CListenDlg::OnRadio1() { // TODO: Add your control notification handler code here m_IsAllIp=TRUE; GetDlgItem(IDC_EDIT2)->EnableWindow(FALSE); } void CListenDlg::OnRadio4() { // TODO: Add your control notification handler code here m_IsAllIp=FALSE; GetDlgItem(IDC_EDIT2)->EnableWindow(TRUE); } //文本框只允许输入数字 BOOL CListenDlg::PreTranslateMessage(MSG* pMsg) { // TODO: Add your specialized code here and/or call the base class if(WM_CHAR==pMsg->message) { int nChar=(int)(pMsg->wParam); if((nChar<48||nChar>57)&&(nChar!=8)) return TRUE; } return CDialog::PreTranslateMessage(pMsg); } //协议过滤 void CListenDlg::OnRadio6() { // TODO: Add your control notification handler code here m_IsAllProto=FALSE; strncpy(m_szProto,"TCP ",5); } void CListenDlg::OnRadio5() { // TODO: Add your control notification handler code here m_IsAllProto=TRUE; } void CListenDlg::OnRadio7() { // TODO: Add your control notification handler code here m_IsAllProto=FALSE; strncpy(m_szProto,"UDP ",5); } void CListenDlg::OnRadio8() { // TODO: Add your control notification handler code here m_IsAllProto=FALSE; strncpy(m_szProto,"ICMP",5); } //复制源IP,右键菜单 void CListenDlg::OnCopySip() { // TODO: Add your command handler code here int n=m_NewList.GetCurSel(); CString SelAllStr,sSIp,sDIp; m_NewList.GetText(n,SelAllStr); //从得到CLIST中得到目标IP int nBegin=SelAllStr.Find("] "); int nEnd=SelAllStr.Find("->"); sSIp=SelAllStr.Mid(nBegin+2,nEnd-nBegin-2); TRACE(sSIp); if('('==sSIp.GetAt(0)) { nBegin=sSIp.Find(')'); sSIp=sSIp.Mid(nBegin+1,sSIp.GetLength()); } // AfxMessageBox(sSIp.GetAt(0)); SetClipboard(sSIp.GetBuffer(sSIp.GetLength())); //拷入剪贴板 } //复制目标IP,右键菜单 void CListenDlg::OnCopyDip() { // TODO: Add your command handler code here int n=m_NewList.GetCurSel(); CString SelAllStr,sSIp,sDIp; m_NewList.GetText(n,SelAllStr); int nBegin=SelAllStr.Find('>'); int nEnd=SelAllStr.Find("包"); sDIp=SelAllStr.Mid(nBegin+1,nEnd-nBegin-2); TRACE(sDIp); if('('==sDIp.GetAt(0)) { nBegin=sDIp.Find(')'); sDIp=sDIp.Mid(nBegin+1,sDIp.GetLength()); } // AfxMessageBox(sDIp); BOOL N=SetClipboard(sDIp.GetBuffer(sDIp.GetLength())); //拷入剪贴板 } //关于 void CListenDlg::OnSysCommand(UINT nID, LPARAM lParam) { if(IDM_SYSMENU==nID) DialogBox(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDD_DIALOG1),m_hWnd,DialogProc); CDialog::OnSysCommand (nID, lParam); } BOOL CALLBACK DialogProc(HWND hwndDlg,UINT uMsg, WPARAM wParam,LPARAM lParam) { if(uMsg==WM_COMMAND&&LOWORD(wParam)==IDCLOSE) { EndDialog(hwndDlg,1); return TRUE; } return FALSE; } void CListenDlg::OnSelchangeList1() //选择列表 { // TODO: Add your control notification handler code here int n=m_NewList.GetCurSel(); CString SelAllStr; DWORD data=m_NewList.GetItemData(n); //得到绑定数据在m_IpShowDlg中显示 if (data<1) return; IPDATA* pIpData=(IPDATA*)data; m_IpShowDlg.ShowIpData(pIpData->buf,pIpData->len); // CreateLogFile(pIpData->buf); //AfxMessageBox(SelAllStr); } //清除和ListBox绑定的数据和列表 void CListenDlg::DelListBuf() { for(int i=0;i<m_NewList.GetCount();i++) { DWORD data=m_NewList.GetItemData(i); if (data>0) { IPDATA* pData=(IPDATA*)data; delete pData; //清除堆内存 } } m_IpShowDlg.m_CharEdit.SetWindowText(""); m_IpShowDlg.m_HexEdit.SetWindowText(""); m_IpShowDlg.m_NumEdit.SetWindowText(""); m_NewList.ResetContent(); } //程序退出 void CListenDlg::OnDestroy() { CDialog::OnDestroy(); // TODO: Add your message handler code here DelListBuf(); DeleteCriticalSection(&m_ls); } 是不是很长?下载的.不过我还是看不明白请各位高手指导一下,为什么我按照程序说的去做为什么还不行,高手们,请指点一二! [此贴被 286(unique) 在 04月13日09时10分 编辑过] |
| 地主 发表时间: 05-04-12 10:46 |
 | 回复: 286 [unique]  版主 |
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|
遇到什么问题，什么现象？ 谁愿意除了看你的程序之外，还要再猜你想问什么呢？ |
| B1层 发表时间: 05-04-13 09:10 |
 | 回复: cac0527 [cac0527]  论坛用户 |
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|
怎麽会这麽复杂？监听的话用十几行代码足以（您这个代码长度快赶上winshell了） |
| B2层 发表时间: 05-04-13 14:44 |
|
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