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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This 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; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifndef WINVNCCONF_AUTHENTICATION
#define WINVNCCONF_AUTHENTICATION
#include <vncconfig/PasswordDialog.h>
#include <rfb_win32/Registry.h>
#include <rfb_win32/Dialog.h>
#include <rfb_win32/OSVersion.h>
#include <rfb_win32/MsgBox.h>
#include <rfb/ServerCore.h>
#include <rfb/Security.h>
#include <rfb/SecurityServer.h>
#include <rfb/SSecurityVncAuth.h>
#include <rfb/Password.h>
static rfb::BoolParameter queryOnlyIfLoggedOn("QueryOnlyIfLoggedOn",
"Only prompt for a local user to accept incoming connections if there is a user logged on", false);
namespace rfb {
namespace win32 {
class AuthenticationPage : public PropSheetPage {
public:
AuthenticationPage(const RegKey& rk)
: PropSheetPage(GetModuleHandle(0), MAKEINTRESOURCE(IDD_AUTHENTICATION)), regKey(rk) {}
void initDialog() {
CharArray sec_types_str(SecurityServer::secTypes.getData());
std::list<rdr::U32> sec_types = parseSecTypes(sec_types_str.buf);
useNone = useVNC = false;
std::list<rdr::U32>::iterator i;
for (i=sec_types.begin(); i!=sec_types.end(); i++) {
if ((*i) == secTypeNone) useNone = true;
else if ((*i) == secTypeVncAuth) useVNC = true;
}
HWND security = GetDlgItem(handle, IDC_ENCRYPTION);
SendMessage(security, CB_ADDSTRING, 0, (LPARAM)_T("Always Off"));
SendMessage(security, CB_SETCURSEL, 0, 0);
enableItem(IDC_AUTH_NT, false); enableItem(IDC_AUTH_NT_CONF, false);
enableItem(IDC_ENCRYPTION, false); enableItem(IDC_AUTH_RA2_CONF, false);
setItemChecked(IDC_AUTH_NONE, useNone);
setItemChecked(IDC_AUTH_VNC, useVNC);
setItemChecked(IDC_QUERY_CONNECT, rfb::Server::queryConnect);
setItemChecked(IDC_QUERY_LOGGED_ON, queryOnlyIfLoggedOn);
onCommand(IDC_AUTH_NONE, 0);
}
bool onCommand(int id, int cmd) {
switch (id) {
case IDC_AUTH_VNC_PASSWD:
{
PasswordDialog passwdDlg(regKey, registryInsecure);
passwdDlg.showDialog(handle);
}
return true;
case IDC_AUTH_NONE:
case IDC_AUTH_VNC:
enableItem(IDC_AUTH_VNC_PASSWD, isItemChecked(IDC_AUTH_VNC));
case IDC_QUERY_CONNECT:
case IDC_QUERY_LOGGED_ON:
setChanged((useNone != isItemChecked(IDC_AUTH_NONE)) ||
(useVNC != isItemChecked(IDC_AUTH_VNC)) ||
(rfb::Server::queryConnect != isItemChecked(IDC_QUERY_CONNECT)) ||
(queryOnlyIfLoggedOn != isItemChecked(IDC_QUERY_LOGGED_ON)));
enableItem(IDC_QUERY_LOGGED_ON, enableQueryOnlyIfLoggedOn());
return false;
};
return false;
}
bool onOk() {
bool useVncChanged = useVNC != isItemChecked(IDC_AUTH_VNC);
useVNC = isItemChecked(IDC_AUTH_VNC);
useNone = isItemChecked(IDC_AUTH_NONE);
if (useVNC) {
verifyVncPassword(regKey);
regKey.setString(_T("SecurityTypes"), _T("VncAuth"));
} else {
if (haveVncPassword() && useVncChanged &&
MsgBox(0, _T("The VNC authentication method is disabled, but a password is still stored for it.\n")
_T("Do you want to remove the VNC authentication password from the registry?"),
MB_ICONWARNING | MB_YESNO) == IDYES) {
regKey.setBinary(_T("Password"), 0, 0);
}
regKey.setString(_T("SecurityTypes"), _T("None"));
}
regKey.setString(_T("ReverseSecurityTypes"), _T("None"));
regKey.setBool(_T("QueryConnect"), isItemChecked(IDC_QUERY_CONNECT));
regKey.setBool(_T("QueryOnlyIfLoggedOn"), isItemChecked(IDC_QUERY_LOGGED_ON));
return true;
}
void setWarnPasswdInsecure(bool warn) {
registryInsecure = warn;
}
bool enableQueryOnlyIfLoggedOn() {
return isItemChecked(IDC_QUERY_CONNECT) && osVersion.isPlatformNT && (osVersion.dwMajorVersion >= 5);
}
static bool haveVncPassword() {
PlainPasswd password(SSecurityVncAuth::vncAuthPasswd.getVncAuthPasswd());
return password.buf && strlen(password.buf) != 0;
}
static void verifyVncPassword(const RegKey& regKey) {
if (!haveVncPassword()) {
MsgBox(0, _T("The VNC authentication method is enabled, but no password is specified.\n")
_T("The password dialog will now be shown."), MB_ICONINFORMATION | MB_OK);
PasswordDialog passwd(regKey, registryInsecure);
passwd.showDialog();
}
}
protected:
RegKey regKey;
static bool registryInsecure;
bool useNone;
bool useVNC;
};
};
bool AuthenticationPage::registryInsecure = false;
};
#endif
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