FERMER, REBOOT, LOGOFF. DIRECT OU PAR DECOMPTE

/*
 * Crée par : Deck_bsd
 * Date de création : 27/04/2006
 * Fonction : Redémarrer l'ordinateur, éteindre l'ordinateur ou fermer l'utilisateur courrant.
 */

#include <windows.h>
#include <stdio.h>
#include <commctrl.h>

#define IDM_QUIT 11
#define IDM_HELP 22
/*  Declare Windows procedure  */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK PropoProc(HWND hwDlg, UINT message, WPARAM wParam, LPARAM lParam);

unsigned int ConvertHourToMillisecond(HWND hwCountDown,unsigned int uiSize);
void token();

/*  Make the class name into a global variable  */
char szClassName[ ] = "WindowsApp";

HINSTANCE GlobalHInstance;

int WINAPI WinMain (HINSTANCE hThisInstance,
                    HINSTANCE hPrevInstance,
                    LPSTR lpszArgument,
                    int nFunsterStil)

{
    HWND hwnd;               /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */
    HMENU hmMain;
    HMENU hmHelp;
    HMENU hmQuit;

    /* The Window structure */
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is called by windows */
    wincl.style = CS_DBLCLKS;                 /* Catch double-clicks */
    wincl.cbSize = sizeof (WNDCLASSEX);

    /* Use default icon and mouse-pointer */
    wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = NULL;                 /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    /* Use Windows's default color as the background of the window */
    wincl.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
    
    
    /* Création du menu */
    
    hmQuit = CreateMenu();
    AppendMenu(hmQuit,MF_STRING,IDM_QUIT,"Exit");
    hmMain = CreateMenu();
    AppendMenu(hmMain,MF_POPUP,(UINT)hmQuit,"&File");
    
    hmHelp = CreateMenu();
    AppendMenu(hmHelp,MF_STRING,IDM_HELP,"A propos de...");
    AppendMenu(hmMain,MF_POPUP,(UINT)hmHelp,"?");

    /* Register the window class, and if it fails quit the program */
    if (!RegisterClassEx (&wincl))
        return 0;

    /* The class is registered, let's create the program*/
    hwnd = CreateWindowEx (
           0,                   /* Extended possibilites for variation */
           szClassName,         /* Classname */
           "MyReboot",       /* Title Text */
           WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX, /* default window */
           CW_USEDEFAULT,       /* Windows decides the position */
           CW_USEDEFAULT,       /* where the window ends up on the screen */
           300,                 /* The programs width */
           310,                 /* and height in pixels */
           HWND_DESKTOP,        /* The window is a child-window to desktop */
           hmMain,                /* No menu */
           hThisInstance,       /* Program Instance handler */
           NULL                 /* No Window Creation data */
           );

    GlobalHInstance = hThisInstance;
    /* Make the window visible on the screen */
    ShowWindow (hwnd, nFunsterStil);

    /* Run the message loop. It will run until GetMessage() returns 0 */
    while (GetMessage (&messages, NULL, 0, 0))
    {
        if(messages.message == WM_KEYDOWN && messages.wParam == VK_ESCAPE) PostQuitMessage(0); 
        /* Translate virtual-key messages into character messages */
        TranslateMessage(&messages);
        /* Send message to WindowProcedure */
        DispatchMessage(&messages);
    }

    /* The program return-value is 0 - The value that PostQuitMessage() gave */
    return messages.wParam;
}


/*  This function is called by the Windows function DispatchMessage()  */

LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    HWND hwButtonLogOff,hwButtonReboot,hwButtonShutDown,hwButtonFormat,hwButtonStop;
    static HWND hwLabelUser;
    static HWND hwStatusBar;
    static HWND hwCountDown;
    HWND hwLabelCD;
    static unsigned short int usiChoice=0;
    unsigned int uiSize;
    
    char szBuffer[30];
    char szText[60]="Current user : ";
    DWORD dwWord = 30;
    
    switch (message)                  /* handle the messages */
    {
        case WM_CREATE :
             hwButtonLogOff = CreateWindow("button","Log off",WS_VISIBLE | WS_CHILD | BS_DEFPUSHBUTTON,
                              90,60,100,20,hwnd,(HMENU)1,GlobalHInstance,NULL);
             hwButtonReboot = CreateWindow("button","Reboot",WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON,
                              90,100,100,20,hwnd,(HMENU)2,GlobalHInstance,NULL);
             hwButtonShutDown = CreateWindow("button","Shutdown",WS_VISIBLE | WS_CHILD | BS_DEFPUSHBUTTON,
                              90,140,100,20,hwnd,(HMENU)3,GlobalHInstance,NULL);
             hwButtonFormat = CreateWindow("button","Format",WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON,
                              210,185,55,20,hwnd,(HMENU)4,GlobalHInstance,NULL);
             hwButtonStop = CreateWindow("button","Stop the countdown",WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON,
                            70,220,150,20,hwnd,(HMENU)5,GlobalHInstance,NULL);
             hwLabelUser = CreateWindow("static","",WS_CHILD | WS_VISIBLE | SS_SUNKEN | SS_CENTER,
                           18,25,260,20,hwnd,NULL,GlobalHInstance,NULL);
             hwCountDown = CreateWindow("edit","",WS_CHILD | WS_VISIBLE | WS_BORDER | ES_CENTER,
                           90,185,100,20,hwnd,NULL,GlobalHInstance,NULL);
             hwLabelCD = CreateWindow("static","Countdown ? : ",WS_CHILD | WS_VISIBLE,
                         5,185,85,20,hwnd,NULL,GlobalHInstance,NULL);
                              
             hwStatusBar = CreateStatusWindow(WS_VISIBLE | WS_CHILD, "No action",hwnd,1);
             
             HFONT PoliceTahoma;
             
             PoliceTahoma = CreateFont(15,0,0,0,0,0,0,0,0,0,0,0,0,"tahoma");
             SendMessage(hwLabelUser,WM_SETFONT,(long)PoliceTahoma,0);
             SendMessage(hwCountDown,WM_SETFONT,(long)PoliceTahoma,0);
             SendMessage(hwLabelCD,WM_SETFONT,(long)PoliceTahoma,0);
             SendMessage(hwButtonFormat,WM_SETFONT,(long)PoliceTahoma,0);
             SendMessage(hwButtonStop,WM_SETFONT,(long)PoliceTahoma,0);
             
             GetUserName(szBuffer,&dwWord);
             lstrcat(szText,szBuffer);
             SetWindowText(hwLabelUser,szText);
             
             return 0;
        
        case WM_COMMAND :
             if(HIWORD(wParam) == BN_CLICKED){
                 switch(LOWORD(wParam)){
                     case 1 : 
                              
                              uiSize = SendMessage(hwCountDown,WM_GETTEXTLENGTH,0,0);
                              if(uiSize != 0){
                              
                                        usiChoice = 1;
                                        SetTimer(hwnd,(UINT)1,ConvertHourToMillisecond(hwCountDown,uiSize),NULL);
                              }else{
                                        ExitWindows(0,0);
                                        SetWindowText(hwStatusBar,"Log off of the current user...");
                              }
                              break;
                     case 2 : 
                              
                              uiSize = SendMessage(hwCountDown,WM_GETTEXTLENGTH,0,0);
                              if(uiSize != 0){
                              
                                        usiChoice = 2;
                                        SetTimer(hwnd,(UINT)1,ConvertHourToMillisecond(hwCountDown,uiSize),NULL);
                              }else{
                                        token();
                                        ExitWindowsEx(EWX_REBOOT | EWX_FORCE,0);
                                        SetWindowText(hwStatusBar,"Reboot...");
                              }
                              break;
                     case 3 : 
                              
                              uiSize = SendMessage(hwCountDown,WM_GETTEXTLENGTH,0,0);
                              if(uiSize != 0){
                              
                                        usiChoice = 3;
                                        SetTimer(hwnd,(UINT)1,ConvertHourToMillisecond(hwCountDown,uiSize),NULL);
                              }else{
                                        token();
                                        ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE,0);
                                        SetWindowText(hwStatusBar,"Windows is shutting down");
                              }
                              break;
                     case 4 : MessageBox(hwnd,"Hour Format : 00:00:00","Format",MB_OK | MB_ICONINFORMATION);
                              break;
                     case 5 : KillTimer(hwnd,(UINT)1);break;
                     case 11 : PostQuitMessage(0);
                               break;
                     case 22 :
                               HGLOBAL hgMemory;
                               LPDLGTEMPLATE dltDlgHelp;
                               LPWORD lpWord;
                               LPWSTR lpwsWindowNameUnicode;
                               
                               hgMemory = GlobalAlloc(GPTR,512);
                               if(!hgMemory) break;
                               
                               dltDlgHelp = (LPDLGTEMPLATE) hgMemory;
                               
                               dltDlgHelp->style = WS_CAPTION | WS_POPUP | DS_MODALFRAME | WS_SYSMENU | WS_MINIMIZEBOX;
                               dltDlgHelp->cx = 210;
                               dltDlgHelp->cy = 100;
                               dltDlgHelp->x = GetSystemMetrics(SM_CXSCREEN)/6;
                               dltDlgHelp->y = GetSystemMetrics(SM_CYSCREEN)/6;
                               
                               lpWord = (LPWORD) (dltDlgHelp+1);
                               
                               lpwsWindowNameUnicode = (LPWSTR) (lpWord+2);
                               
                               MultiByteToWideChar(CP_ACP,0,"A propos de :",-1,lpwsWindowNameUnicode,128);
                               
                               DialogBoxIndirect(GlobalHInstance,dltDlgHelp,0,(DLGPROC)PropoProc);
                               
                               break;
                 }
             }
             
             return 0;
        case WM_TIMER :
             switch(usiChoice){
                 case 1 : ExitWindows(0,0);SetWindowText(hwStatusBar,"Log off of the current user...");break;
                 case 2 : token();ExitWindowsEx(EWX_REBOOT | EWX_FORCE,0);SetWindowText(hwStatusBar,"Reboot...");break;
                 case 3 : token();ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE,0);SetWindowText(hwStatusBar,"Windows is shutting down");break;
             }
             KillTimer(hwnd,(UINT)1);
             return 0;
        case WM_DESTROY :
            PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
            break;
        default:                      /* for messages that we don't deal with */
            return DefWindowProc (hwnd, message, wParam, lParam);
    }

    return 0;
}

void token(){
     HANDLE haToken;
     TOKEN_PRIVILEGES tpToken;
     
     /* Crée une nouvelle "file" de process qui va s'ajuster au autre */
     OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,&haToken);
     
     /* On recherche la valeur du privilège */
     LookupPrivilegeValue(NULL,SE_SHUTDOWN_NAME,&tpToken.Privileges[0].Luid);
     
     /* Nombre d'entrées dans le tableau des privileges */
     tpToken.PrivilegeCount = 1;
     
     /* On défini l'attribut */
     tpToken.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
     
     AdjustTokenPrivileges(haToken,FALSE,&tpToken,sizeof(tpToken),NULL,NULL);
}


LRESULT CALLBACK PropoProc(HWND hwDlg, UINT message, WPARAM wParam, LPARAM lParam){
        HWND hwGroup,hwButtonOk,hwLabelInfo;
        HWND hwButtonSite,hwButtonMail;
        
        switch(message){
            case WM_INITDIALOG :
                 hwGroup = CreateWindow("button","MyReboot",WS_CHILD | WS_VISIBLE | BS_GROUPBOX,
                                                                    10,10,400,160,hwDlg,NULL,GlobalHInstance,NULL);
                 hwButtonOk = CreateWindow("button","OK",WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
                                                                     16,146,30,20,hwDlg,(HMENU)111,GlobalHInstance,NULL);
                 hwLabelInfo = CreateWindow("static","Créer par : Deck_bsd \n\nVersion : 3.0 \n\nLicense : Freeware",WS_CHILD | WS_VISIBLE,
                                                                     120,30,150,90,hwDlg,NULL,GlobalHInstance,NULL);
                 hwButtonSite = CreateWindow("button","http://deck-bsd.eurower.net",WS_VISIBLE | WS_CHILD  | BS_PUSHBUTTON,
                                                                     120,115,200,20,hwDlg,(HMENU)1111,GlobalHInstance,NULL);                          
                 hwButtonMail = CreateWindow("button","deck_bsd01@yahoo.fr",WS_VISIBLE | WS_CHILD | BS_PUSHBUTTON,
                                                                     120,140,200,20,hwDlg,(HMENU)11111,GlobalHInstance,NULL);                                                  
                 HFONT PoliceComic;
                 HFONT PoliceVerdana;
                 
                 PoliceComic = CreateFont(15,0,0,0,0,0,0,0,0,0,0,0,0,"comic sans MS");
                 PoliceVerdana = CreateFont(15,0,0,0,0,0,0,0,0,0,0,0,0,"verdana");
                 SendMessage(hwGroup,WM_SETFONT,(long)PoliceComic,0);
                 SendMessage(hwButtonOk,WM_SETFONT,(long)PoliceComic,0);
                 SendMessage(hwLabelInfo,WM_SETFONT,(long)PoliceVerdana,0);
                 SendMessage(hwButtonSite,WM_SETFONT,(long)PoliceVerdana,0);
                 SendMessage(hwButtonMail,WM_SETFONT,(long)PoliceVerdana,0);
                 
                 
                 break;
            case WM_COMMAND :
                 if(HIWORD(wParam) == BN_CLICKED){
                                   switch(LOWORD(wParam)){
                                       case 111 :
                                            EndDialog(hwDlg,0);
                                       break;
                                       case 1111 : ShellExecute(NULL,"open","http://deck-bsd.eurower.net",0,NULL,SW_MAXIMIZE);
                                       break;
                                       case 11111 : ShellExecute(NULL,"open","mailto:deck_bsd01@yahoo.fr",0,NULL,SW_MAXIMIZE);
                                       break;
                                   }
                 }
                 break;            
            case WM_CLOSE :
                 EndDialog(hwDlg,0);
                 break;
        }
        return 0;
}

unsigned int ConvertHourToMillisecond(HWND hwCountDown,unsigned int uiSize){
          char *ptTime;
          unsigned int uiHour,uiMin,uiSec,uiTotal;
                                        
          ptTime = (char*)malloc(sizeof(char)*uiSize+1);
          GetWindowText(hwCountDown,ptTime,uiSize+1);
          sscanf(ptTime,"%d:%d:%d",&uiHour,&uiMin,&uiSec);
          free(ptTime);
          uiTotal = (uiHour*60)*60 + uiMin*60 + uiSec;
          uiTotal *= 1000;
          
          return uiTotal;
}

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