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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_CONNECTIONS
#define WINVNCCONF_CONNECTIONS
#include <vector>
#include <rfb_win32/Registry.h>
#include <rfb_win32/Dialog.h>
#include <rfb_win32/ModuleFileName.h>
#include <rfb/Configuration.h>
#include <rfb/Blacklist.h>
#include <network/TcpSocket.h>
static rfb::IntParameter port_number("PortNumber",
"TCP/IP port on which the server will accept connections", 5900);
static rfb::StringParameter hosts("Hosts",
"Filter describing which hosts are allowed access to this server", "+");
static rfb::BoolParameter localHost("LocalHost",
"Only accept connections from via the local loop-back network interface", false);
namespace rfb {
namespace win32 {
class ConnHostDialog : public Dialog {
public:
ConnHostDialog() : Dialog(GetModuleHandle(0)) {}
bool showDialog(const char* pat) {
pattern = pat;
return Dialog::showDialog(MAKEINTRESOURCE(IDD_CONN_HOST));
}
void initDialog() {
if (pattern.empty())
pattern = "+";
if (pattern[0] == '+')
setItemChecked(IDC_ALLOW, true);
else if (pattern[0] == '?')
setItemChecked(IDC_QUERY, true);
else
setItemChecked(IDC_DENY, true);
setItemString(IDC_HOST_PATTERN, &pattern.c_str()[1]);
pattern.clear();
}
bool onOk() {
std::string newPat;
if (isItemChecked(IDC_ALLOW))
newPat = '+';
else if (isItemChecked(IDC_QUERY))
newPat = '?';
else
newPat = '-';
newPat += getItemString(IDC_HOST_PATTERN);
try {
network::TcpFilter::Pattern pat(network::TcpFilter::parsePattern(newPat.c_str()));
pattern = network::TcpFilter::patternToStr(pat);
} catch(rdr::Exception& e) {
MsgBox(NULL, e.str(), MB_ICONEXCLAMATION | MB_OK);
return false;
}
return true;
}
const char* getPattern() {return pattern.c_str();}
protected:
std::string pattern;
};
class ConnectionsPage : public PropSheetPage {
public:
ConnectionsPage(const RegKey& rk)
: PropSheetPage(GetModuleHandle(0), MAKEINTRESOURCE(IDD_CONNECTIONS)), regKey(rk) {}
void initDialog() {
vlog.debug("set IDC_PORT %d", (int)port_number);
setItemInt(IDC_PORT, port_number ? port_number : 5900);
setItemChecked(IDC_RFB_ENABLE, port_number != 0);
setItemInt(IDC_IDLE_TIMEOUT, rfb::Server::idleTimeout);
setItemChecked(IDC_LOCALHOST, localHost);
HWND listBox = GetDlgItem(handle, IDC_HOSTS);
while (SendMessage(listBox, LB_GETCOUNT, 0, 0))
SendMessage(listBox, LB_DELETESTRING, 0, 0);
std::vector<std::string> hostv;
hostv = strSplit(hosts, ',');
for (size_t i = 0; i < hostv.size(); i++) {
if (!hostv[i].empty())
SendMessage(listBox, LB_ADDSTRING, 0, (LPARAM)hostv[i].c_str());
}
onCommand(IDC_RFB_ENABLE, EN_CHANGE);
}
bool onCommand(int id, int cmd) {
switch (id) {
case IDC_HOSTS:
{
DWORD selected = SendMessage(GetDlgItem(handle, IDC_HOSTS), LB_GETCURSEL, 0, 0);
DWORD count = SendMessage(GetDlgItem(handle, IDC_HOSTS), LB_GETCOUNT, 0, 0);
bool enable = selected != (DWORD)LB_ERR;
enableItem(IDC_HOST_REMOVE, enable);
enableItem(IDC_HOST_UP, enable && (selected > 0));
enableItem(IDC_HOST_DOWN, enable && (selected+1 < count));
enableItem(IDC_HOST_EDIT, enable);
setChanged(isChanged());
}
return true;
case IDC_PORT:
case IDC_IDLE_TIMEOUT:
if (cmd == EN_CHANGE)
setChanged(isChanged());
return false;
case IDC_RFB_ENABLE:
case IDC_LOCALHOST:
{
// RFB port
enableItem(IDC_PORT, isItemChecked(IDC_RFB_ENABLE));
// Hosts
enableItem(IDC_LOCALHOST, isItemChecked(IDC_RFB_ENABLE));
bool enableHosts = !isItemChecked(IDC_LOCALHOST) && isItemChecked(IDC_RFB_ENABLE);
enableItem(IDC_HOSTS, enableHosts);
enableItem(IDC_HOST_ADD, enableHosts);
if (!enableHosts) {
enableItem(IDC_HOST_REMOVE, enableHosts);
enableItem(IDC_HOST_UP, enableHosts);
enableItem(IDC_HOST_DOWN, enableHosts);
enableItem(IDC_HOST_EDIT, enableHosts);
} else {
onCommand(IDC_HOSTS, EN_CHANGE);
}
setChanged(isChanged());
return false;
}
case IDC_HOST_ADD:
if (hostDialog.showDialog(""))
{
const char* pattern = hostDialog.getPattern();
if (pattern)
SendMessage(GetDlgItem(handle, IDC_HOSTS), LB_ADDSTRING, 0, (LPARAM)pattern);
}
return true;
case IDC_HOST_EDIT:
{
HWND listBox = GetDlgItem(handle, IDC_HOSTS);
int item = SendMessage(listBox, LB_GETCURSEL, 0, 0);
std::vector<char> pattern(SendMessage(listBox, LB_GETTEXTLEN, item, 0)+1);
SendMessage(listBox, LB_GETTEXT, item, (LPARAM)pattern.data());
if (hostDialog.showDialog(pattern.data())) {
const char* newPat = hostDialog.getPattern();
if (newPat) {
item = SendMessage(listBox, LB_FINDSTRINGEXACT, item, (LPARAM)pattern.data());
if (item != LB_ERR) {
SendMessage(listBox, LB_DELETESTRING, item, 0);
SendMessage(listBox, LB_INSERTSTRING, item, (LPARAM)newPat);
SendMessage(listBox, LB_SETCURSEL, item, 0);
onCommand(IDC_HOSTS, EN_CHANGE);
}
}
}
}
return true;
case IDC_HOST_UP:
{
HWND listBox = GetDlgItem(handle, IDC_HOSTS);
int item = SendMessage(listBox, LB_GETCURSEL, 0, 0);
std::vector<char> pattern(SendMessage(listBox, LB_GETTEXTLEN, item, 0)+1);
SendMessage(listBox, LB_GETTEXT, item, (LPARAM)pattern.data());
SendMessage(listBox, LB_DELETESTRING, item, 0);
SendMessage(listBox, LB_INSERTSTRING, item-1, (LPARAM)pattern.data());
SendMessage(listBox, LB_SETCURSEL, item-1, 0);
onCommand(IDC_HOSTS, EN_CHANGE);
}
return true;
case IDC_HOST_DOWN:
{
HWND listBox = GetDlgItem(handle, IDC_HOSTS);
int item = SendMessage(listBox, LB_GETCURSEL, 0, 0);
std::vector<char> pattern(SendMessage(listBox, LB_GETTEXTLEN, item, 0)+1);
SendMessage(listBox, LB_GETTEXT, item, (LPARAM)pattern.data());
SendMessage(listBox, LB_DELETESTRING, item, 0);
SendMessage(listBox, LB_INSERTSTRING, item+1, (LPARAM)pattern.data());
SendMessage(listBox, LB_SETCURSEL, item+1, 0);
onCommand(IDC_HOSTS, EN_CHANGE);
}
return true;
case IDC_HOST_REMOVE:
{
HWND listBox = GetDlgItem(handle, IDC_HOSTS);
int item = SendMessage(listBox, LB_GETCURSEL, 0, 0);
SendMessage(listBox, LB_DELETESTRING, item, 0);
onCommand(IDC_HOSTS, EN_CHANGE);
}
}
return false;
}
bool onOk() {
regKey.setInt("PortNumber", isItemChecked(IDC_RFB_ENABLE) ? getItemInt(IDC_PORT) : 0);
regKey.setInt("IdleTimeout", getItemInt(IDC_IDLE_TIMEOUT));
regKey.setInt("LocalHost", isItemChecked(IDC_LOCALHOST));
regKey.setString("Hosts", getHosts().c_str());
return true;
}
bool isChanged() {
try {
std::string new_hosts = getHosts();
return (new_hosts != (const char*)hosts) ||
(localHost != isItemChecked(IDC_LOCALHOST)) ||
(port_number != getItemInt(IDC_PORT)) ||
(rfb::Server::idleTimeout != getItemInt(IDC_IDLE_TIMEOUT));
} catch (rdr::Exception&) {
return false;
}
}
std::string getHosts() {
int bufLen = 1, i;
HWND listBox = GetDlgItem(handle, IDC_HOSTS);
for (i=0; i<SendMessage(listBox, LB_GETCOUNT, 0, 0); i++)
bufLen+=SendMessage(listBox, LB_GETTEXTLEN, i, 0)+1;
std::vector<char> hosts_str(bufLen);
hosts_str[0] = 0;
char* outPos = hosts_str.data();
for (i=0; i<SendMessage(listBox, LB_GETCOUNT, 0, 0); i++) {
outPos += SendMessage(listBox, LB_GETTEXT, i, (LPARAM)outPos);
outPos[0] = ',';
outPos[1] = 0;
outPos++;
}
return hosts_str.data();
}
protected:
RegKey regKey;
ConnHostDialog hostDialog;
};
};
};
#endif
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