serverdlg.cpp

单报数据加密

// ServerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Server.h"
#include "ServerDlg.h"
#include "DesEncrypt.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()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg dialog

CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CServerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CServerDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CServerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CServerDlg)
	DDX_Control(pDX, IDC_STATIC1, m_Path);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CServerDlg, CDialog)
	//{{AFX_MSG_MAP(CServerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_OPENFILE, OnOpenfile)
	ON_BN_CLICKED(IDC_SENDFILE, OnSendfile)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg message handlers

BOOL CServerDlg::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
	//创建套接字
	m_server = socket(AF_INET,SOCK_STREAM,0);
	//将网络中的事件关联到窗口的消息函数中
//	WSAAsyncSelect(m_server,m_hWnd,2000,FD_WRITE|FD_READ|FD_ACCEPT);
	m_client = 0;
	m_serverIP = "";
	//获取IP地址
	char name[MAX_PATH];
	gethostname(name,MAX_PATH);
	hostent* hostInfo = gethostbyname(name);
	CString ip =  inet_ntoa(*(in_addr*)hostInfo->h_addr_list[0]);

	//服务器端地址
	sockaddr_in serveraddr;
	serveraddr.sin_family = AF_INET;
	m_serverIP = ip;
	//设置本机地址
	serveraddr.sin_addr.S_un.S_addr  = inet_addr(m_serverIP);
	UpdateData(TRUE);
	//设置端口号
	serveraddr.sin_port = htons(70);
	//绑定地址
	if(bind(m_server,(sockaddr*)&serveraddr,sizeof(serveraddr)))
	{
		MessageBox("绑定地址失败.");
		return;
	}
	//开始监听
	listen(m_server,5);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CServerDlg::OnOpenfile() 
{
	// TODO: Add your control notification handler code here
	//打开对话框 
	CFileDialog dlg(TRUE,NULL,"",OFN_HIDEREADONLY,"All Files (*.*)|*.*||",this);
    if(IDOK == dlg.DoModal())
	{
		m_pathName = dlg.GetPathName();
		m_strName = dlg.GetFileName();
		m_Path.SetWindowText(m_pathName);
	}
}

void CServerDlg::OnSendfile() 
{
	// TODO: Add your control notification handler code here
	sockaddr_in serveraddr;
	int len =sizeof(serveraddr);
	if (m_client==0) //客户端连接服务器
	{
		m_client = accept(m_server,(struct sockaddr*)&serveraddr,&len);
	}
	int ret = send(m_client,m_strName,m_strName.GetLength(),0);
	if(ret == SOCKET_ERROR)
	{
		CString str;
		str.Format("发送数据失败，错误码:%d",WSAGetLastError());
		MessageBox(str);
		return;
	}
	Sleep(100);

	CFile file(m_pathName,CFile::modeRead);
	DWORD size = file.GetLength();
			
	HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE,size);
	void* lpBuf = GlobalLock(hGlobal);
	
	file.ReadHuge(lpBuf,size);
	char key[]={1,2,3,4,5,6,7,8};
	CDesEncrypt Des;
	Des.DesGo((char*)lpBuf, (char*)lpBuf, size, key, sizeof(key), TRUE);
	send(m_client,(char*)lpBuf,size,0);
	GlobalUnlock(hGlobal);
	GlobalFree(hGlobal);
	file.Close();
	Sleep(100);
	char a[1]={'^'}; //结束符
	send(m_client,a,1,0);
}