cclientsockdlg.cpp

将客户方的文件用DES加密后

// CClientSockDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CClientSock.h"
#include "CClientSockDlg.h"
#include "DES.h"

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

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

/////////////////////////////////////////////////////////////////////////////
// CCClientSockDlg dialog

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

void CCClientSockDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCClientSockDlg)
	DDX_Control(pDX, IDC_IPADDRESS, m_IPAddress);
	DDX_Text(pDX, IDC_PassWord, m_PassWord);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCClientSockDlg, CDialog)
	//{{AFX_MSG_MAP(CCClientSockDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_Connect, OnConnect)
	ON_BN_CLICKED(IDC_Receive, OnReceive)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCClientSockDlg message handlers

BOOL CCClientSockDlg::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
	if(AfxSocketInit(NULL)==0)
	{
		AfxMessageBox("CSocket Inital Error");
	}

	m_Connect=false;
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CCClientSockDlg::OnConnect() 
{
	// TODO: Add your control notification handler code here
	const UINT port=4000;
	if(!m_Connect)
	{
		BYTE f0,f1,f2,f3;
		CString IP;
		((CIPAddressCtrl *)(GetDlgItem(IDC_IPADDRESS)))->GetAddress(f0,f1,f2,f3);
	     
		IP.Format("%d.%d.%d.%d",f0,f1,f2,f3);
//		AfxMessageBox(IP);
		if(IP=="0.0.0.0")
		{
			AfxMessageBox("please set server IP");
			return;
		}
		
		CClientSock.Create();
		if(CClientSock.Connect(IP,port))
		{
			m_Connect=true;
		}
		else
		{
			CClientSock.Close();
			m_Connect=false;
		}
	}
	
}

void CCClientSockDlg::OnReceive() 
{
	// TODO: Add your control notification handler code here
	if(!m_Connect)
	{
		AfxMessageBox("Please connect server first!");
		return;
	}

	SOCKET_STREAM_FILE_INFO StreamFileInfo;
	CClientSock.Receive(&StreamFileInfo,sizeof(SOCKET_STREAM_FILE_INFO));

	CFile destFile(StreamFileInfo.szFileTitle, CFile::modeCreate | CFile::modeWrite | CFile::typeBinary);

	UINT dwRead = 0;
	byte* data = new byte[1024];
	while(dwRead<StreamFileInfo.nFileSizeLow)
	{		
		memset(data,0,1024);
		UINT dw=CClientSock.Receive(data, 1024);
		destFile.Write(data, dw);

		dwRead+=dw;
	}

	SetFileTime((HANDLE)destFile.m_hFile,&StreamFileInfo.ftCreationTime,
                &StreamFileInfo.ftLastAccessTime,&StreamFileInfo.ftLastWriteTime);
	destFile.Close();
	SetFileAttributes(StreamFileInfo.szFileTitle,StreamFileInfo.dwFileAttributes);

	delete data;
	CClientSock.Close();
	m_Connect=false;
	AfxMessageBox("接收完毕！");

/*	
	char buffer[255];
	memset(buffer,0,sizeof(buffer));
	
	CClientSock.Receive(buffer,255,0);

	CString m_FileName;
	m_FileName.Format(buffer);
	AfxMessageBox(m_FileName);
//	m_FileName.Format(buffer);

	CFile fd;
	if(!fd.Open(buffer,CFile::modeCreate|CFile::modeWrite))
	{
			AfxMessageBox("Failed to open the file!");
			fd.Close();
			return;
	}

	int FileLen;
	CClientSock.Receive(&FileLen,4);
    byte *data=new byte[FileLen];
	memset(data,0,sizeof(data));
	if(!data)
	{
		AfxMessageBox("No enough memory ");
		return;
	}

	CClientSock.Receive(data,FileLen);
	fd.Write(data,FileLen);
	delete data;
	fd.Close();
	CClientSock.Close();
*/
UpdateData(TRUE);
CString FileName;
CString name=StreamFileInfo.szFileTitle;
int k=name.ReverseFind('.');
FileName=name.Left(k);

if(FileName=="")return;
CFile ff(name,CFile::modeRead);
long lFileLen=ff.GetLength();
long c=lFileLen/8;
long d=lFileLen%8;
//if (m_savefile=="")
//m_savefile=m_filename+".aen";
//int m=FileName.ReverseFind('.');
//	CString savefile=FileName.Left(m);

   CFile fp(FileName,CFile::modeCreate|CFile::modeWrite);
   fp.SeekToBegin();
   ff.SeekToBegin();

//CString inbuff;


DES jm;

 char inbuff[8],oubuff[8],skey[8];

 memcpy(skey,(LPCTSTR)m_PassWord,8);

CTime tm1,tm2;
	tm1=CTime::GetCurrentTime();

for(long i=0;i<c;i++)
	{
		ff.Read(inbuff,8);
		
        jm.Des_Go(oubuff, inbuff, sizeof(inbuff), skey,sizeof(skey), DECRYPT);
		fp.Write(oubuff,8);
	}
	if(d>0)
	{
		AfxMessageBox("文件可能已损坏或非经aes加密过");
	}
    tm2=CTime::GetCurrentTime();
	CTimeSpan tmSpan=tm2-tm1;

	CString strspan=tmSpan.Format("Seconds:%S");

//m_sd=strspan+"s";
     
	ff.Close();
	fp.Close();
	AfxMessageBox("解密成功！");
	UpdateData(FALSE);		
}