mysimpsnifferdlg.cpp

来自「一个关于局域网简单抓包工具」· C++ 代码 · 共 1,943 行 · 第 1/5 页

// MySimpSnifferDlg.cpp : implementation file
//

#include "stdafx.h"
#include "mstcpip.h"
//#include <Winsock2.h>
#include "MyProtocol.h"
#include "MySimpSniffer.h"
#include "MySimpSnifferDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

PROTOMAP ProtoMap[MAX_PROTO_NUM]={		//为子协议映射表赋值
	{ 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   , "NP" },
	{ IPPROTO_RAW  , "RAW" },
	{ IPPROTO_MAX  , "MAX" },
	{ NULL , "" } 
}; 

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CMySimpSnifferDlg dialog

CMySimpSnifferDlg::CMySimpSnifferDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMySimpSnifferDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMySimpSnifferDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMySimpSnifferDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMySimpSnifferDlg)
	DDX_Control(pDX, IDC_Data, m_Data);
	DDX_Control(pDX, IDC_TreeDetail, m_TreeDetail);
	DDX_Control(pDX, IDC_START, m_start);
	DDX_Control(pDX, IDC_LIST_DATA, m_listdata);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMySimpSnifferDlg, CDialog)
	//{{AFX_MSG_MAP(CMySimpSnifferDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDCLOSE, OnClose)
	ON_BN_CLICKED(IDC_CHK_PORT, OnChkPort)
	ON_BN_CLICKED(IDC_START, OnStart)
	ON_BN_CLICKED(IDC_CHK_SrcIP, OnCHKSrcIP)
	ON_BN_CLICKED(IDC_CHK_DstIP, OnCHKDstIP)
	ON_WM_CREATE()
	ON_NOTIFY(LVN_ITEMCHANGED, IDC_LIST_DATA, OnItemchangedListData)
	ON_NOTIFY(LVN_COLUMNCLICK, IDC_LIST_DATA, OnColumnclickListData)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMySimpSnifferDlg message handlers

BOOL CMySimpSnifferDlg::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
	//---------------------------------------------------------------
	//Dialog切分窗口(2行1列,下面行再分2列)
	CRect rect(0,0,0,0);
	m_wndHSplitBar.Create(WS_CHILD|WS_BORDER|WS_DLGFRAME|WS_VISIBLE,rect,this,999,TRUE);//TRUE表示水平分隔条
	m_wndHSplitBar.SetPanes(&m_listdata,&m_TreeDetail,&m_Data);
	m_wndVSplitBar.Create(WS_CHILD|WS_BORDER|WS_DLGFRAME|WS_VISIBLE,rect,this,999);
	m_wndVSplitBar.SetPanes(&m_TreeDetail,&m_Data); 

	((CButton*)GetDlgItem(IDC_ProtoTCP))->SetCheck(true);
	((CButton*)GetDlgItem(IDC_ProtoUDP))->SetCheck(true);
	((CButton*)GetDlgItem(IDC_ProtoICMP))->SetCheck(true);

	InitList();			//初始化List列表框内容
	SnifferInit();		//初始化socket及网卡

	// 变量初始化
	m_ParamTCP		= true;		// 关注TCP报文
	m_ParamUDP		= true;		// 关注UDP报文
	m_ParamICMP		= true;		// 关注ICMP报文
	m_ParamDecode	= true;		// 处理用户数据
	m_strFromIpFilter = NULL;	//"192.168.10.101";// 源IP地址过滤 -- 默认不过滤
	m_strDestIpFilter = NULL;	// 目的地址过滤 -- 默认不过滤
	m_iPortFilter	  = 0;		// 端口过滤 -- 默认不过滤

	strcpy(TCPFlag, "FSRPAU");
    //TcpFlag[6]={'F','S','R','P','A','U'}; //定义TCP标志位
	RecvBuf[MAX_PACK_LEN] = NULL;
	//-----------------------------------------------------------------
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CMySimpSnifferDlg::OnOK() 
{
	// TODO: Add extra validation here
	Close_Thread();	
	CDialog::OnOK(); 
}

void CMySimpSnifferDlg::OnClose() 
{
	// TODO: Add your control notification handler code here
	Close_Thread();	
	CDialog::OnOK();
}

void CMySimpSnifferDlg::OnChkPort() 
{
	// TODO: Add your control notification handler code here
	CEdit* pIport = (CEdit*)GetDlgItem(IDC_EDIT_PORT);
	if(((CButton*)GetDlgItem(IDC_CHK_PORT))->GetCheck())
	{
		pIport->EnableWindow(true);
		pIport->SetFocus();
	}else{
		pIport->EnableWindow(false);
		pIport->SetWindowText("");
	}
}

void CMySimpSnifferDlg::SnifferInit()	// 初始化SOCKET
{
	WSADATA		wsaData;
	int			ierr;

	CHAR		sHostName[MAX_HOSTNAME_LAN] = {0};	
	HOSTENT*	pHost  = NULL;
	CHAR*		psIP   = NULL;
	CString		strMsg = "";

	// 检查Winsock版本号,wsaData为WSADATA结构对象
	ierr = WSAStartup(MAKEWORD(2,2),&wsaData);
	if( ierr != 0 ) 
	{
		AfxMessageBox("装载WinSock DLL失败!");
        exit(1);
	}

	// 获得本机名称及IP地址
	if( gethostname(sHostName, MAX_HOSTNAME_LAN) == 0 )	//本机名
	{
		pHost = (struct hostent * )malloc(sizeof(struct hostent));
		pHost = gethostbyname(sHostName);
		if(pHost != NULL)
		{
			psIP = inet_ntoa(*(in_addr*)pHost->h_addr_list[0]);
			m_localip = inet_addr(psIP);	// 获得本机IP地址
			//AfxMessageBox(psIP);			// 显示本机IP
			//AfxMessageBox(sHostName);		// 显示本机名称
			strMsg = "简单Sniffer抓包工具---本机IP: " + (CString)psIP;
			SetWindowText(strMsg);
		}else{
			AfxMessageBox("pHost = NULL!");
			exit(1);
		}
	}else{
		AfxMessageBox("不能找到本机名!");
		exit(1);
	}

	// 创建原始套接字
	char        szErr [50];
	DWORD       dwErr;

	SockRaw = socket(AF_INET , SOCK_RAW , IPPROTO_IP); 
	if( SockRaw == INVALID_SOCKET )
	{
		dwErr = WSAGetLastError() ;
		sprintf( szErr , "Error socket() = %ld " , dwErr ) ;
		AfxMessageBox( szErr ) ;
		closesocket( SockRaw ) ;
		exit(1);
	}

	/* 如果使用下面语句,则需要设置
	SockRaw = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
	// ...检查dwErr //
	// 设置IP头操作,其中flag设置为ture,亲自对IP头进行处理
	bool flag = TRUE;
	setsockopt(SockRaw, IPPROTO_IP, IP_HDRINCL, (char*)&flag, sizeof(flag));
	*/
	// 设置
	int rcvtimeo = 5000 ;	// 5 sec instead of 45 as default
	if( setsockopt( SockRaw , SOL_SOCKET , SO_RCVTIMEO , (const char *)&rcvtimeo , sizeof(rcvtimeo) ) == SOCKET_ERROR) 
	{
		dwErr = WSAGetLastError() ;
		sprintf( szErr , "Error WSAIoctl = %ld " , dwErr ) ;
		AfxMessageBox( szErr ) ;
		closesocket( SockRaw ) ;
		exit(1);
	}

	// 填充SOCKADDR_IN结构
	SOCKADDR_IN sa;
	sa.sin_family = AF_INET;
	sa.sin_port = htons(9999);
	sa.sin_addr.s_addr= m_localip;	// sa.sin_addr = *(in_addr *)pHost->h_addr_list[0]; //IP
	// 或者 memcpy(&sa.sin_addr.s_un.s_addr, pHost->h_addr_list[0], pHost->h_length);
	// 把原始套接字sock绑定到本地网卡地址上
	if( bind(SockRaw, (PSOCKADDR)&sa, sizeof(sa)) == SOCKET_ERROR )
	{
		dwErr = WSAGetLastError() ;
		sprintf( szErr , "Error bind() = %ld " , dwErr ) ;
		AfxMessageBox( szErr ) ;
		closesocket( SockRaw ) ;
		exit(1);
	} 

	/*
	// 设置SOCK_RAW为SIO_RCVALL,以便接收所有的IP包
	LPVOID dwBufferLen[10] ;
	DWORD dwBufferInLen = 1;
	DWORD dwBytesReturned = 0;
	ierr = WSAIoctl(SockRaw, SIO_RCVALL, &dwBufferInLen, sizeof(dwBufferInLen),
                    &dwBufferLen, sizeof(dwBufferLen), &dwBytesReturned , NULL, NULL);
	if(ierr == SOCKET_ERROR )
	{
		dwErr = WSAGetLastError() ;
		sprintf( szErr , "Error WSAIoctl = %ld " , dwErr ) ;
		AfxMessageBox( szErr ) ;
		closesocket( SockRaw ) ;
		exit(1);
	}  */
}

// 协议识别
char * CMySimpSnifferDlg::CheckProtocol(int iProtocol)
{
	for(int i=0; i < MAX_PROTO_NUM; i++)
		if(ProtoMap[i].ProtoNum == iProtocol) 
			return ProtoMap[i].ProtoText;
	return ""; 
}

void CMySimpSnifferDlg::OnStart() 
{
	// TODO: Add your control notification handler code here
	CString str;
	DWORD dwValue; 

	this->UpdateData(TRUE);
	m_start.GetWindowText(str); 
	if( str == "开始(&S)" ) 
	{
		m_listdata.DeleteAllItems();
		m_TreeDetail.DeleteAllItems();
		m_Data.SetWindowText("");

		// 启动接收数据
		/*LPVOID dwBufferLen[10] ;
		DWORD dwBufferInLen = 1 ;
		DWORD dwBytesReturned = 0 ;
		if( WSAIoctl(SockRaw, SIO_RCVALL, &dwBufferInLen, sizeof(dwBufferInLen),
                        &dwBufferLen, sizeof(dwBufferLen), &dwBytesReturned , NULL, NULL) == SOCKET_ERROR ) 
		*/