Winlogon using Mobile Disk

// KeyGenDlg.cpp : implementation file
//

#include "stdafx.h"
#include "KeyGen.h"
#include "KeyGenDlg.h"
#include "SelectUserDlg.h"
#include "GetUserInfoDlg.h"
#include "SelectDrive.h"
#include "..\UserInfo.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()

/////////////////////////////////////////////////////////////////////////////
// CKeyGenDlg dialog

CKeyGenDlg::CKeyGenDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CKeyGenDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CKeyGenDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CKeyGenDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CKeyGenDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CKeyGenDlg, CDialog)
	//{{AFX_MSG_MAP(CKeyGenDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_KEY_GEN_BUTTON, GenerateKey)
	ON_BN_CLICKED(IDC_CHECK_USER_BUTTON, OnCheckUserButton)
	ON_BN_CLICKED(IDC_VALID_DISK_QRY_BUTTON, OnValidDiskQryButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CKeyGenDlg message handlers

BOOL CKeyGenDlg::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);
		}
	}

	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CKeyGenDlg::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 CKeyGenDlg::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();
	}
}

HCURSOR CKeyGenDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CKeyGenDlg::GenerateKey() 
{

	USER_INFO user_info;
	CUserInfo ui;

	char lpDrive[5], lpPath[100];

	CGetUserInfoDlg dlg;

	if(IDCANCEL==dlg.DoModal())
		return;

	strcpy(user_info.lpWindowsUser,(LPCSTR)dlg.m_szUserName);
	strcpy(user_info.lpWindowsPassword,(LPCSTR)dlg.m_szPassword);
	strcpy(user_info.lpDomain,(LPCSTR)dlg.m_szDomain);

	strcpy(user_info.lpUserName, (LPCSTR)dlg.m_szUserName);
	strcpy(user_info.lpPassword,(LPCSTR)dlg.m_szKey);

	if(dlg.m_nLogonType==0)
	{
		strcpy(user_info.lpWindowsUser,(LPCSTR)"Guest");
		strcpy(user_info.lpWindowsPassword,(LPCSTR)"");
	}

	user_info.dwLogonType=dlg.m_nLogonType;

	sprintf(lpDrive,"%c:\\",'A'+dlg.m_nDrive);

	char	szVolName[MAX_PATH], szSysName[MAX_PATH];

	DWORD	dwVolSerialNumber, dwMaxComponentLen, dwFileSysFlags;


	szVolName[0]=0;


	GetVolumeInformation(lpDrive ,
						szVolName, MAX_PATH, 
						&dwVolSerialNumber,
						&dwMaxComponentLen, &dwFileSysFlags, 
						szSysName, MAX_PATH );



	strcpy(user_info.lpFileSystem,szSysName);
	strcpy(user_info.lpVolName,szVolName);
	
	user_info.dwMagic=ui.GetRandomMagic();

	user_info.dwVolSerialNo=dwVolSerialNumber;


	user_info=ui.Encode(user_info);

	sprintf(lpPath,"%s%s",lpDrive,DISK_FILE_NAME);
	
	if(!ui.CreateDiskFile(user_info,lpPath))
		MessageBox("Disk file can not be created\t","Error",MB_OK|MB_ICONSTOP);
	else
		MessageBox("Disk creation successfull\t","Success",MB_OK|MB_ICONINFORMATION);
}

void CKeyGenDlg::OnCheckUserButton() 
{
//	ShowWindow(SW_HIDE);
	char lpPath[20];

	CUserInfo ui;

	CSelectDrive drv;
	if(IDCANCEL==drv.DoModal())
	{	
		ShowWindow(SW_SHOW);
		return;
	}

	sprintf(lpPath,"%c:\\%s",'A'+drv.m_nDrive, DISK_FILE_NAME);

	USER_INFO user_info=ui.LoadUserInfo(lpPath);

	
	user_info=ui.Decode(user_info);

	//ui.Print(user_info);

	if(!ui.CheckDisk(user_info,drv.m_nDrive))
		MessageBox("Disk verification failed\t","Error",MB_OK|MB_ICONSTOP);
	else
		MessageBox("Disk verification successfull\t","Success",MB_OK|MB_ICONINFORMATION);

}

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

void CKeyGenDlg::OnCancel() 
{
	// TODO: Add extra cleanup here

	CDialog::OnCancel();
}

void CKeyGenDlg::OnValidDiskQryButton() 
{

	CUserInfo ui;

	int x=ui.ValidDiskPresent();

	if(x)
	{
		char lpMsg[100];
		sprintf(lpMsg,"Valid user information found on [%c:]\t",'A'+x);

		MessageBox(lpMsg,"Success",MB_OK|MB_ICONINFORMATION);
	}

	else
		MessageBox("No valid disk found\t","Error",MB_OK|MB_ICONSTOP);
}