snifferdlg.h

一个简单的网络地址嗅探器

// SnifferDlg.h : header file
//

#if !defined(AFX_SNIFFERDLG_H__5B22B963_77AC_4069_B36C_7B9A817C8171__INCLUDED_)
#define AFX_SNIFFERDLG_H__5B22B963_77AC_4069_B36C_7B9A817C8171__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define BUFFER_SIZE 65535

typedef struct _IP{
    union{
        BYTE   Version;
        BYTE   HdrLen;
    };
    BYTE ServiceType;
    WORD TotalLen;
    WORD ID;
    union{
        WORD   Flags;
        WORD   FragOff;
    };
    BYTE TimeToLive;
    BYTE Protocol;
    WORD HdrChksum;
    DWORD   SrcAddr;
    DWORD   DstAddr;
    BYTE Options;
} IP;

typedef IP * LPIP;
typedef IP UNALIGNED * ULPIP;

//
// TCP Packet Structure
//
typedef struct _TCP{
    WORD SrcPort;
    WORD DstPort;
    DWORD SeqNum;
    DWORD AckNum;
    BYTE DataOff;
    BYTE Flags;
    WORD Window;
    WORD Chksum;
    WORD UrgPtr;
}  TCP;

typedef TCP *LPTCP;
typedef TCP UNALIGNED * ULPTCP;

// upper protocols
#define PROTOCOL_STRING_ICMP_TXT       "ICMP"
#define PROTOCOL_STRING_TCP_TXT        "TCP"
#define PROTOCOL_STRING_UDP_TXT        "UDP"
#define PROTOCOL_STRING_SPX_TXT        "SPX"
#define PROTOCOL_STRING_NCP_TXT        "NCP"
#define PROTOCOL_STRING_UNKNOW_TXT     "UNKNOW"

// New WSAIoctl Options
#define SIO_RCVALL            _WSAIOW(IOC_VENDOR,1)
#define SIO_RCVALL_MCAST      _WSAIOW(IOC_VENDOR,2)
#define SIO_RCVALL_IGMPMCAST  _WSAIOW(IOC_VENDOR,3)
#define SIO_KEEPALIVE_VALS    _WSAIOW(IOC_VENDOR,4)
#define SIO_ABSORB_RTRALERT   _WSAIOW(IOC_VENDOR,5)
#define SIO_UCAST_IF          _WSAIOW(IOC_VENDOR,6)
#define SIO_LIMIT_BROADCASTS  _WSAIOW(IOC_VENDOR,7)
#define SIO_INDEX_BIND        _WSAIOW(IOC_VENDOR,8)
#define SIO_INDEX_MCASTIF     _WSAIOW(IOC_VENDOR,9)
#define SIO_INDEX_ADD_MCAST   _WSAIOW(IOC_VENDOR,10)
#define SIO_INDEX_DEL_MCAST   _WSAIOW(IOC_VENDOR,11)

// Values for use with SIO_RCVALL* options
#define RCVALL_OFF             0
#define RCVALL_ON              1
#define RCVALL_SOCKETLEVELONLY 2

/////////////////////////////////////////////////////////////////////////////
// CSnifferDlg dialog

class CSnifferDlg : public CDialog
{
// Construction
public:
	CString GetProtocolTxt(int Protocol);
	CSnifferDlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
	//{{AFX_DATA(CSnifferDlg)
	enum { IDD = IDD_SNIFFER_DIALOG };
	CListBox	m_Packet;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CSnifferDlg)
	public:
	virtual BOOL DestroyWindow();
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	SOCKET      sock;
    SOCKADDR_IN	addr_in;
    IP          ip;
    TCP         tcp;
    char        RecvBuf[BUFFER_SIZE];

	// Generated message map functions
	//{{AFX_MSG(CSnifferDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_SNIFFERDLG_H__5B22B963_77AC_4069_B36C_7B9A817C8171__INCLUDED_)