password.c File Reference

#include <windows.h>
#include <tchar.h>

Include dependency graph for password.c:

Go to the source code of this file.

Typedefs
typedef BOOL(WINAPI *	VERIFYSCREENSAVEPWD) (HWND hwnd)
typedef VOID(WINAPI *	PWDCHANGEPASSWORD) (LPCTSTR lpcRegkeyname, HWND hwnd, UINT uiReserved1, UINT uiReserved2)

Functions
BOOL	VerifyPassword (HWND hwnd)
BOOL	ChangePassword (HWND hwnd)

Typedef Documentation

PWDCHANGEPASSWORD

typedef VOID(WINAPI * PWDCHANGEPASSWORD) (LPCTSTR lpcRegkeyname, HWND hwnd, UINT uiReserved1, UINT uiReserved2)

Definition at line 10 of file password.c.

VERIFYSCREENSAVEPWD

typedef BOOL(WINAPI * VERIFYSCREENSAVEPWD) (HWND hwnd)

Definition at line 9 of file password.c.

Function Documentation

ChangePassword()

BOOL ChangePassword

(

HWND

hwnd

)

Definition at line 48 of file password.c.

{
    // This only ever gets called under '95, when started with the /a option.
    HINSTANCE hmpr = LoadLibrary(_T("MPR.DLL"));
    PWDCHANGEPASSWORD PwdChangePassword;
 
    if(hmpr == NULL)
        return FALSE;
 
    PwdChangePassword = (PWDCHANGEPASSWORD)GetProcAddress(hmpr, "PwdChangePasswordA");
 
    if(PwdChangePassword == NULL)
    {
        FreeLibrary(hmpr);
        return FALSE;
    }
 
    PwdChangePassword(_T("SCRSAVE"), hwnd, 0, 0);
    FreeLibrary(hmpr);
 
    return TRUE;
}

Referenced by wWinMain().

VerifyPassword()

BOOL VerifyPassword

(

HWND

hwnd

)

Definition at line 12 of file password.c.

{
    // Under NT, we return TRUE immediately. This lets the saver quit,
    // and the system manages passwords. Under '95, we call VerifyScreenSavePwd.
    // This checks the appropriate registry key and, if necessary,
    // pops up a verify dialog
 
    HINSTANCE           hpwdcpl;
    VERIFYSCREENSAVEPWD VerifyScreenSavePwd;
    BOOL                fResult;
 
    if(GetVersion() < 0x80000000)
        return TRUE;
 
    hpwdcpl = LoadLibrary(_T("PASSWORD.CPL"));
 
    if(hpwdcpl == NULL)
    {
        return FALSE;
    }
 
 
    VerifyScreenSavePwd = (VERIFYSCREENSAVEPWD)GetProcAddress(hpwdcpl, "VerifyScreenSavePwd");
 
    if(VerifyScreenSavePwd == NULL)
    {
        FreeLibrary(hpwdcpl);
        return FALSE;
    }
 
    fResult = VerifyScreenSavePwd(hwnd);
    FreeLibrary(hpwdcpl);
 
    return fResult;
}

Referenced by MatrixWndProc().