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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* This Program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* Copyright (C) 2003-2004 Identity Alliance
* All rights reserved.
* END COPYRIGHT BLOCK **/
/*****************************************************************
/
/ File : gui.cpp
/ Date : December 3, 2002
/ Purpose: Crypto API CSP->PKCS#11 Module
/ License: Copyright (C) 2003-2004 Identity Alliance
/
******************************************************************/
#include "resource.h"
#include "csp.h"
#include <tchar.h>
using namespace std;
namespace MCSP {
static BOOL DoInitDialog(HWND hDlg, LPARAM lParam)
{
RECT rect;
int width, height;
int screen_x, screen_y;
int x, y;
GetWindowRect(hDlg, &rect);
width = rect.right - rect.left;
height = rect.bottom - rect.top;
screen_x = GetSystemMetrics(SM_CXSCREEN);
screen_y = GetSystemMetrics(SM_CYSCREEN);
x = screen_x/2 - width/2;
y = screen_y/2 - height/2;
SetWindowPos(hDlg, HWND_TOPMOST, x, y, width, height, SWP_NOSIZE);
SetFocus(GetDlgItem(hDlg, IDC_PIN_EDIT));
if (lParam == 0)
{
SetLastError(ERROR_INVALID_BLOCK);
EndDialog(hDlg, 0);
return TRUE;
}
// FIXME: Why does lParam need to be type-cast to LONG?
// The parameter is suppose to be LONG_PTR (LPARAM)
SetWindowLongPtr(hDlg, GWLP_USERDATA, static_cast<LONG>(lParam));
EnableWindow(GetDlgItem(hDlg, IDOK), FALSE);
return FALSE;
}
static BOOL DoPINChanged(HWND hDlg)
{
HWND pinCtrl;
BOOL enable = TRUE;
pinCtrl = GetDlgItem(hDlg, IDC_PIN_EDIT);
int len = GetWindowTextLength(pinCtrl);
if (len == 0)
enable = FALSE;
EnableWindow(GetDlgItem(hDlg, IDOK), enable);
return TRUE;
}
static BOOL DoPIN(HWND hDlg, WPARAM wParam)
{
switch(HIWORD(wParam))
{
case EN_UPDATE:
return DoPINChanged(hDlg);
break;
default:
break;
}
return TRUE;
}
static void OnOK(HWND hDlg, LPARAM lParam)
{
BinStr* s = reinterpret_cast<BinStr*>((LPARAM)GetWindowLongPtr(hDlg, GWLP_USERDATA));
if (!s)
return;
HWND pinCtrl = GetDlgItem(hDlg, IDC_PIN_EDIT);
int len = GetWindowTextLength(pinCtrl);
s->resize(len + 1);
GetWindowText(pinCtrl, reinterpret_cast<LPSTR>(&(*s)[0]), static_cast<int>(s->size()));
// Chop off null cause we don't need it
s->resize(s->size() - 1);
EndDialog(hDlg, IDOK);
}
static BOOL DoCommand(HWND hDlg, WPARAM wParam, LPARAM lParam)
{
switch(LOWORD(wParam))
{
case IDCANCEL:
EndDialog(hDlg, IDCANCEL);
break;
case IDOK:
OnOK(hDlg, lParam);
break;
case IDC_PIN_EDIT:
return DoPIN(hDlg, wParam);
break;
default:
break;
}
return TRUE;
}
static
INT_PTR CALLBACK PINDialogProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_COMMAND:
return DoCommand(hDlg, wParam, lParam);
break;
case WM_INITDIALOG:
return DoInitDialog(hDlg, lParam);
break;
default:
break;
}
return FALSE;
}
// asks the user for a pin
bool DisplayPINDialog(BinStr* pin)
{
INT_PTR result;
result = DialogBoxParam(g_hModule, MAKEINTRESOURCE(IDD_PIN_DIALOG_1), NULL,
PINDialogProc, reinterpret_cast<LPARAM>(pin));
switch(result)
{
case 0:
return false;
break;
case IDCANCEL:
return false;
break;
case IDOK:
if (pin->empty())
return false;
else
return true;
break;
default:
break;
}
return false;
}
// for debugging
void DisplayError(const Session* context, const string& str)
{
if (!context->silent_)
MessageBox(NULL, str.c_str(), PROVIDER_NAME" Error", MB_OK | MB_ICONERROR | MB_TASKMODAL);
LOG("ERROR: \"%s\"\n", str.c_str());
}
// for debugging
void DisplayWin32Error(const Session* context)
{
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL
);
// Display the string
if (!context->silent_)
MessageBox(NULL, (LPCSTR)lpMsgBuf, PROVIDER_NAME" Win32 Error", MB_OK | MB_ICONERROR | MB_TASKMODAL);
LOG("WIN32 error: \"%s\"\n", lpMsgBuf);
// Free the buffer.
LocalFree( lpMsgBuf );
}
} // namespace MCSP
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