// SecureChatDlg.cpp : implementation file
//
#include "stdafx.h"
#include "SecureChat.h"
#include "SecureChatDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CSecureChatDlg dialog
CSecureChatDlg::CSecureChatDlg(CWnd* pParent /*=NULL*/)
: CDialog(CSecureChatDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CSecureChatDlg)
m_iKeyLength = 32;
m_sAdress = _T("");
m_sAddress = _T("");
m_iPort = 999;
m_iNrOfIOWorkers = 2;
m_iMaximumNrOfConnections = 1201;
m_sMessage = _T("Welcome to the secure chat server.");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
m_iCurrenClientID=-1;
}
void CSecureChatDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CSecureChatDlg)
DDX_Control(pDX, IDC_DISCONNECT, m_cBtnDisconnect);
DDX_Control(pDX, IDC_STARTSTOPSERVER, m_cStartStopBtn);
DDX_Control(pDX, IDC_PORTNR, m_cPortNr);
DDX_Control(pDX, IDC_NROFIO, m_cNrOfIOWorkers);
DDX_Control(pDX, IDC_MAXCONNECT, m_cMaxNrOConnection);
DDX_Control(pDX, IDC_USERLIST, m_cUserList);
DDX_Control(pDX, IDC_TOPTAP, m_cTab);
DDX_Control(pDX, IDC_TXTOUT, m_cLogg);
DDX_Text(pDX, IDC_KEYSIZE, m_iKeyLength);
DDX_Text(pDX, IDC_ADDRESS, m_sAddress);
DDX_Text(pDX, IDC_PORTNR, m_iPort);
DDX_Text(pDX, IDC_NROFIO, m_iNrOfIOWorkers);
DDX_Text(pDX, IDC_MAXCONNECT, m_iMaximumNrOfConnections);
DDX_Text(pDX, IDC_TEXT, m_sMessage);
DDV_MaxChars(pDX, m_sMessage, 400);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CSecureChatDlg, CDialog)
//{{AFX_MSG_MAP(CSecureChatDlg)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_SIMPLELIBTEST, OnSimplelibtest)
ON_BN_CLICKED(IDC_RSATEST, OnRsatest)
ON_BN_CLICKED(IDC_GENERATEKEY, OnGeneratekey)
ON_BN_CLICKED(IDC_DHTEST, OnDhtest)
ON_NOTIFY(TCN_SELCHANGE, IDC_TOPTAP, OnSelchangeToptap)
ON_BN_CLICKED(IDC_STARTSTOPSERVER, OnStartstopserver)
ON_NOTIFY(NM_CLICK, IDC_USERLIST, OnClickUserlist)
ON_BN_CLICKED(IDC_DISCONNECT, OnDisconnect)
ON_BN_CLICKED(IDC_DISCONNECTALL, OnDisconnectall)
ON_BN_CLICKED(IDC_SENDTXT, OnSendtxt)
ON_WM_TIMER()
ON_WM_DESTROY()
ON_MESSAGE(WM_LOGG_APPEND, OnAppendLog)
ON_MESSAGE(WM_NEW_CONNECTION, OnNewClient)
ON_MESSAGE(WM_DISCONNECT_CLIENT, OnClientDisconnected)
ON_BN_CLICKED(IDC_CLEARLOG, OnClearlog)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CSecureChatDlg message handlers
LRESULT CSecureChatDlg::OnNewClient(WPARAM wParam, LPARAM lParam)
{
unsigned int* piID = reinterpret_cast<unsigned int*>(lParam);
ITEMINFO* pItem=new ITEMINFO;
ClientContext* pContext=NULL;
// to be sure that pContext Suddenly does not dissapear..
m_iocp.m_ContextMapLock.Lock();
pContext=m_iocp.FindClient(*piID);
if ( pContext!=NULL )
{
pContext->m_ContextLock.Lock();
pItem->m_sClientAddress=m_iocp.GetHostAddress(pContext->m_Socket);
pItem->m_ID=pContext->m_Socket;
pItem->m_sName="??????";
pContext->m_ContextLock.Unlock();
}
m_iocp.m_ContextMapLock.Unlock();
if (! m_cUserList.AddItemToList(pItem) )
{
AfxMessageBox("FATAL ERROR - AddItemToList failed.");
}
if(piID!=NULL)
delete piID;
return 0;
}
LRESULT CSecureChatDlg::OnClientDisconnected(WPARAM wParam, LPARAM lParam)
{
unsigned int* piID = reinterpret_cast<unsigned int*>(lParam);
BOOL bRepaint=FALSE;
ClientContext *pContext=NULL;
ITEMINFO* pItem=NULL;
// m_GUIListLock.Lock();
int nCount= m_cUserList.GetItemCount();
for(int i=0; i<nCount;i++)
{
pItem=(ITEMINFO*)m_cUserList.GetItemData(i);
if(pItem!=NULL)
{
// Disconnected
if(pItem->m_ID==*piID)
{
m_cUserList.FreeItem(i);
nCount= m_cUserList.GetItemCount();
bRepaint=TRUE;
}
}
}
if(bRepaint)
{
// Deselect The selected Item in the other list.
int SItem=m_cUserList.GetNextItem(-1,LVNI_SELECTED);
if( SItem<0 )
{
m_iCurrenClientID=-1;
m_cBtnDisconnect.EnableWindow(FALSE);
}
m_cUserList.SetFocus();
m_cUserList.ReSort();
}
UpdateData(FALSE);
if(piID!=NULL)
delete piID;
return 0;
}
LRESULT CSecureChatDlg::OnAppendLog(WPARAM wParam, LPARAM lParam)
{
char* msg = reinterpret_cast<char*>(lParam);
if(msg!=NULL)
{
m_cLogg.AppendString(msg);
}
delete[] msg;
return 0;
}
BOOL CSecureChatDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// 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
//
// Add Tab data.
//
// Set the titles for each tab
TCITEM tabItem;
tabItem.mask = TCIF_TEXT;
tabItem.pszText = _T("Secure chat server");
m_cTab.InsertItem(0, &tabItem);
tabItem.pszText = _T("Crypto Demo/Key Generation");
m_cTab.InsertItem(1, &tabItem);
m_cTab.SetCurSel(0);
//
// Init the list
//
m_cUserList.init();
SetDemoMode(FALSE);
m_sAddress=m_iocp.GetHostIP();
UpdateData(FALSE);
OnStartstopserver();
m_ihTimer=SetTimer(0,500,NULL);
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CSecureChatDlg::StartTheServer()
{
m_iocp.m_StatusLock.Lock();
m_iocp.m_hWnd=m_hWnd;
m_iocp.m_StatusLock.Unlock();
if( !m_iocp.Start(m_iPort,m_iMaximumNrOfConnections, m_iNrOfIOWorkers) )
AfxMessageBox("Error could not start the Server");
else
{
m_cMaxNrOConnection.SetReadOnly(TRUE);
m_cNrOfIOWorkers.SetReadOnly(TRUE);
m_cPortNr.SetReadOnly(TRUE);
}
}
void CSecureChatDlg::StopTheServer()
{
m_iocp.ShutDown();
m_cMaxNrOConnection.SetReadOnly(FALSE);
m_cNrOfIOWorkers.SetReadOnly(FALSE);
m_cPortNr.SetReadOnly(FALSE);
}
void CSecureChatDlg::SetDemoMode(BOOL bDemoMode)
{
ShowCtrl(IDC_KEYSIZE,bDemoMode);
ShowCtrl(IDC_KEYSIZETXT,bDemoMode);
ShowCtrl(IDC_SIMPLELIBTEST,bDemoMode);
ShowCtrl(IDC_RSATEST,bDemoMode);
ShowCtrl(IDC_DHTEST,bDemoMode);
ShowCtrl(IDC_CLEARLOG,bDemoMode);
ShowCtrl(IDC_GENERATEKEY,bDemoMode);
ShowCtrl(IDC_USERLIST,!bDemoMode);
ShowCtrl(IDC_STARTSTOPSERVER,!bDemoMode);
ShowCtrl(IDC_ADDRESS,!bDemoMode);
ShowCtrl(IDC_PORTNR,!bDemoMode);
ShowCtrl(IDC_NROFIO,!bDemoMode);
ShowCtrl(IDC_MAXCONNECT,!bDemoMode);
ShowCtrl(IDC_DISCONNECTALL,!bDemoMode);
ShowCtrl(IDC_DISCONNECT,!bDemoMode);
ShowCtrl(IDC_PORTTXT,!bDemoMode);
ShowCtrl(IDC_TXTNROFIOWORKER,!bDemoMode);
ShowCtrl(IDC_TXTMAXCONNECT,!bDemoMode);
ShowCtrl(IDC_TEXT,!bDemoMode);
ShowCtrl(IDC_SENDTXT,!bDemoMode);
ShowCtrl(IDC_SERVERADRESSTXT,!bDemoMode);
if( bDemoMode )
{
// Move the logg into place..
RelocateTo(&m_cLogg,IDC_BIGLOGG);
RelocateTo(&m_cUserList,IDC_SMALLLOGG);
m_cLogg.AppendString("Press any Button to run the demo..");
}else
{
// Move it to bottom
RelocateTo(&m_cLogg,IDC_SMALLLOGG);
RelocateTo(&m_cUserList,IDC_LISTPLACEHOLDER);
}
}
/*
* Moves/rezise an Ctrl/window to placeholder with ID n
* Return TRUE if sucessfull.
*/
BOOL CSecureChatDlg::RelocateTo(CWnd *pCtrl, int nDestID)
{
if ( !pCtrl )
return FALSE;
CRect rc;
CWnd* pCtrlDest=NULL;
pCtrlDest=GetDlgItem(nDestID);
if ( pCtrlDest!=NULL )
{
pCtrlDest->GetWindowRect(rc);
}
else
{
return FALSE;
}
ScreenToClient(&rc);
// Move.
pCtrl->MoveWindow(rc);
return TRUE;
}
/*
* Helper Function Shows/hide an Ctrl.
*/
inline void CSecureChatDlg::ShowCtrl(int nCtrlID,BOOL bShow)
{
CWnd *pCtrl=NULL;
pCtrl=GetDlgItem(nCtrlID);
if(pCtrl!=NULL)
pCtrl->ShowWindow(bShow ? SW_SHOW :SW_HIDE);
}
// 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 CSecureChatDlg::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 CSecureChatDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CSecureChatDlg::OnOK()
{
// TODO: Add extra validation here
}
void CSecureChatDlg::OnSimplelibtest()
{
AfxBeginThread(CSecureChatDlg::ThreadWrapperLibTestDemo, (void*)this,
THREAD_PRIORITY_NORMAL);
}
void CSecureChatDlg::OnRsatest()
{
UpdateData();
m_iKeyByteSize=m_iKeyLength;
AfxBeginThread(CSecureChatDlg::ThreadWrapperRSAdemo, (void*)this,
THREAD_PRIORITY_NORMAL);
}
void CSecureChatDlg::OnDhtest()
{
UpdateData();
m_iKeyByteSize=m_iKeyLength;
AfxBeginThread(CSecureChatDlg::ThreadWrapperDHdemo, (void*)this,
THREAD_PRIORITY_NORMAL);
}
void CSecureChatDlg::OnGeneratekey()
{
UpdateData();
m_iKeyByteSize=m_iKeyLength;
if ( m_RandomDlg.DoModal()==IDOK )
{
AfxBeginThread(CSecureChatDlg::ThreadWrapperDSAdemo, (void*)this,
THREAD_PRIORITY_NORMAL);
}
}
UINT CSecureChatDlg::ThreadWrapperRSAdemo(LPVOID pParam)
{
CSecureChatDlg* pThis=NULL;
pThis = reinterpret_cast<CSecureChatDlg*>(pParam);
if(pThis)
{
pThis->PerformRSATest();
}
return 0;
}
UINT CSecureChatDlg::ThreadWrapperDHdemo(LPVOID pParam)
{
CSecureChatDlg* pThis=NULL;
pThis = reinterpret_cast<CSecureChatDlg*>(pParam);
if(pThis)
{
pThis->PerformDHTest();
}
return 0;
}
UINT CSecureChatDlg::ThreadWrapperDSAdemo(LPVOID pParam)
{
CSecureChatDlg* pThis=NULL;
pThis = reinterpret_cast<CSecureChatDlg*>(pParam);
if(pThis)
{
pThis->PerformDSATest();
}
return 0;
}
UINT CSecureChatDlg::ThreadWrapperLibTestDemo(LPVOID pParam)
{
CSecureChatDlg* pThis=NULL;
pThis = reinterpret_cast<CSecureChatDlg*>(pParam);
if(pThis)
{
pThis->PerformSimpleLibTest();
}
return 0;
}
void CSecureChatDlg::PerformRSATest()
{
m_cProcessLock.Lock();
m_cLogg.Clear();
MyCryptLib c;
c.DemoRSA(&m_cLogg,m_iKeyByteSize);
m_cProcessLock.Unlock();
}
void CSecureChatDlg::PerformSimpleLibTest()
{
m_cProcessLock.Lock();
m_cLogg.Clear();
MyCryptLib c;
c.DemoSimpleTest(&m_cLogg);
m_cProcessLock.Unlock();
}
void CSecureChatDlg::PerformDSATest()
{
m_cProcessLock.Lock();
m_cLogg.Clear();
MyCryptLib c;
c.DemoDSA(&m_cLogg, m_iKeyByteSize,m_RandomDlg.m_raw_pool,_POOL_SIZE_);
m_cProcessLock.Unlock();
}
void CSecureChatDlg::PerformDHTest()
{
m_cProcessLock.Lock();
m_cLogg.Clear();
MyCryptLib c;
c.DemoDiffieHellman(&m_cLogg,m_iKeyByteSize);
m_cProcessLock.Unlock();
}
void CSecureChatDlg::OnSelchangeToptap(NMHDR* pNMHDR, LRESULT* pResult)
{
SetDemoMode(m_cTab.GetCurFocus()==1);
*pResult = 0;
}
void CSecureChatDlg::OnStartstopserver()
{
UpdateData(TRUE);
if(m_iocp.IsStarted())
{
m_cStartStopBtn.SetWindowText("Start");
StopTheServer();
m_cUserList.EnableWindow(FALSE);
}else
{
m_cStartStopBtn.SetWindowText("Stop");
StartTheServer();
m_cUserList.EnableWindow();
}
}
void CSecureChatDlg::OnClickUserlist(NMHDR* pNMHDR, LRESULT* pResult)
{
ITEMINFO* pItem=NULL;
pItem=m_cUserList.GetSelectedItem();
if ( pItem!=NULL)
{
m_iCurrenClientID=pItem->m_ID;
m_cBtnDisconnect.EnableWindow();
}else
{
//m_iCurrentClientID=0;
int SItem=m_cUserList.GetNextItem(-1,LVNI_SELECTED);
if ( SItem!=-1 )
m_cUserList.SetItemState(SItem,LVNI_ALL, LVIF_TEXT | LVIF_IMAGE | LVIF_STATE);
m_cBtnDisconnect.EnableWindow(FALSE);
}
*pResult = 0;
}
void CSecureChatDlg::OnDisconnect()
{
if ( m_iCurrenClientID>0 )
{
UpdateData(TRUE);
m_iocp.DisconnectClient(m_iCurrenClientID);
// Deselect The selected Item in the other list.
int SItem=m_cUserList.GetNextItem(-1,LVNI_SELECTED);
if ( SItem!=-1 )
{
m_cUserList.SetItemState(SItem,LVNI_ALL, LVIF_TEXT | LVIF_IMAGE | LVIF_STATE);
}
m_cUserList.SetFocus();
m_cBtnDisconnect.EnableWindow(FALSE);
}
}
void CSecureChatDlg::OnDisconnectall()
{
UpdateData(TRUE);
m_iocp.DisconnectAll();
// Deselect The selected Item in the other list.
int SItem=m_cUserList.GetNextItem(-1,LVNI_SELECTED);
if ( SItem!=-1 )
m_cUserList.SetItemState(SItem,LVNI_ALL, LVIF_TEXT | LVIF_IMAGE | LVIF_STATE);
m_cUserList.SetFocus();
}
void CSecureChatDlg::OnSendtxt()
{
UpdateData(TRUE);
m_iocp.SendTextMessage(m_sMessage);
}
void CSecureChatDlg::OnClearlog()
{
m_cLogg.Clear();
}
/*
* Used to Update the content in the Userlist with an interval of
* 500 ms.
*
*/
void CSecureChatDlg::UpdateList()
{
ClientContext *pContext=NULL;
ITEMINFO* pItem=NULL;
BOOL bStatusChanged=FALSE;
// m_cUserList.SetFocus();
// Select all of the items that are completely visible.
int n = m_cUserList.GetTopIndex();
int nLast = min((n + m_cUserList.GetCountPerPage()+1),m_cUserList.GetItemCount()) ; // To also get partial stuff.
for (;n < nLast;n++)
{
pItem=(ITEMINFO*)m_cUserList.GetItemData(n);
if(pItem!=NULL)
{
m_iocp.m_ContextMapLock.Lock();
pContext=NULL;
pContext=m_iocp.m_ContextMap[pItem->m_ID];
if ( pContext!=NULL && pContext->m_bUpdateList )
{
pContext->m_bUpdateList=FALSE;
pItem->m_sName=pContext->m_sUsername;
m_cUserList.Update(n);
TRACE("%i (%i) \r\n",n,pItem->m_ID);
}
m_iocp.m_ContextMapLock.Unlock();
}
}
}
void CSecureChatDlg::OnTimer(UINT nIDEvent)
{
UpdateList();
CDialog::OnTimer(nIDEvent);
}
void CSecureChatDlg::OnDestroy()
{
CDialog::OnDestroy();
KillTimer(m_ihTimer);
m_iocp.m_StatusLock.Lock();
m_iocp.m_hWnd=NULL;
m_iocp.m_StatusLock.Unlock();
}