mirror of https://github.com/OpenVPN/openvpn-gui
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404 lines
13 KiB
404 lines
13 KiB
/*
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* OpenVPN-GUI -- A Windows GUI for OpenVPN.
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*
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* Copyright (C) 2004 Mathias Sundman <mathias@nilings.se>
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* 2011 Heiko Hund <heikoh@users.sf.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define WINVER 0x0500
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#include <windows.h>
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#include <prsht.h>
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#include <tchar.h>
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#include <WinInet.h>
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#include "config.h"
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#include "main.h"
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#include "options.h"
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#include "registry.h"
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#include "proxy.h"
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#include "openvpn-gui-res.h"
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#include "localization.h"
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#include "manage.h"
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#include "openvpn.h"
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extern options_t o;
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bool CALLBACK
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ProxySettingsDialogFunc(HWND hwndDlg, UINT msg, WPARAM wParam, UNUSED LPARAM lParam)
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{
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HICON hIcon;
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LPPSHNOTIFY psn;
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switch (msg)
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{
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case WM_INITDIALOG:
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hIcon = LoadLocalizedIcon(ID_ICO_APP);
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if (hIcon)
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{
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SendMessage(hwndDlg, WM_SETICON, (WPARAM) (ICON_SMALL), (LPARAM) (hIcon));
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SendMessage(hwndDlg, WM_SETICON, (WPARAM) (ICON_BIG), (LPARAM) (hIcon));
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}
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/* Limit Port editbox to 5 chars. */
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SendMessage(GetDlgItem(hwndDlg, ID_EDT_PROXY_PORT), EM_SETLIMITTEXT, 5, 0);
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LoadProxySettings(hwndDlg);
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break;
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case WM_COMMAND:
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switch (LOWORD(wParam))
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{
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case ID_RB_PROXY_OPENVPN:
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if (HIWORD(wParam) == BN_CLICKED)
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{
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EnableWindow(GetDlgItem(hwndDlg, ID_RB_PROXY_HTTP), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_RB_PROXY_SOCKS), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_EDT_PROXY_ADDRESS), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_EDT_PROXY_PORT), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_TXT_PROXY_ADDRESS), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_TXT_PROXY_PORT), FALSE);
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}
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break;
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case ID_RB_PROXY_MSIE:
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if (HIWORD(wParam) == BN_CLICKED)
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{
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EnableWindow(GetDlgItem(hwndDlg, ID_RB_PROXY_HTTP), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_RB_PROXY_SOCKS), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_EDT_PROXY_ADDRESS), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_EDT_PROXY_PORT), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_TXT_PROXY_ADDRESS), FALSE);
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EnableWindow(GetDlgItem(hwndDlg, ID_TXT_PROXY_PORT), FALSE);
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}
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break;
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case ID_RB_PROXY_MANUAL:
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if (HIWORD(wParam) == BN_CLICKED)
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{
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EnableWindow(GetDlgItem(hwndDlg, ID_RB_PROXY_HTTP), TRUE);
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EnableWindow(GetDlgItem(hwndDlg, ID_RB_PROXY_SOCKS), TRUE);
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EnableWindow(GetDlgItem(hwndDlg, ID_EDT_PROXY_ADDRESS), TRUE);
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EnableWindow(GetDlgItem(hwndDlg, ID_EDT_PROXY_PORT), TRUE);
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EnableWindow(GetDlgItem(hwndDlg, ID_TXT_PROXY_ADDRESS), TRUE);
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EnableWindow(GetDlgItem(hwndDlg, ID_TXT_PROXY_PORT), TRUE);
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}
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break;
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case ID_RB_PROXY_HTTP:
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if (HIWORD(wParam) == BN_CLICKED)
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{
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_ADDRESS, o.proxy_http_address);
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_PORT, o.proxy_http_port);
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}
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break;
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case ID_RB_PROXY_SOCKS:
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if (HIWORD(wParam) == BN_CLICKED)
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{
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_ADDRESS, o.proxy_socks_address);
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_PORT, o.proxy_socks_port);
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}
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break;
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}
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break;
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case WM_NOTIFY:
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psn = (LPPSHNOTIFY) lParam;
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if (psn->hdr.code == (UINT) PSN_KILLACTIVE)
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{
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SetWindowLong(hwndDlg, DWL_MSGRESULT, (CheckProxySettings(hwndDlg) ? FALSE : TRUE));
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return TRUE;
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}
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else if (psn->hdr.code == (UINT) PSN_APPLY)
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{
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SaveProxySettings(hwndDlg);
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SetWindowLong(hwndDlg, DWL_MSGRESULT, PSNRET_NOERROR);
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return TRUE;
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}
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break;
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case WM_CLOSE:
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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}
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return FALSE;
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}
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/* Check that proxy settings are valid */
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int
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CheckProxySettings(HWND hwndDlg)
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{
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if (IsDlgButtonChecked(hwndDlg, ID_RB_PROXY_MANUAL) == BST_CHECKED)
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{
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TCHAR text[100];
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BOOL http = (IsDlgButtonChecked(hwndDlg, ID_RB_PROXY_HTTP) == BST_CHECKED);
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GetDlgItemText(hwndDlg, ID_EDT_PROXY_ADDRESS, text, _tsizeof(text));
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if (_tcslen(text) == 0)
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{
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/* proxy address not specified */
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ShowLocalizedMsg((http ? IDS_ERR_HTTP_PROXY_ADDRESS : IDS_ERR_SOCKS_PROXY_ADDRESS));
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return 0;
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}
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GetDlgItemText(hwndDlg, ID_EDT_PROXY_PORT, text, _tsizeof(text));
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if (_tcslen(text) == 0)
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{
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/* proxy port not specified */
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ShowLocalizedMsg((http ? IDS_ERR_HTTP_PROXY_PORT : IDS_ERR_SOCKS_PROXY_PORT));
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return 0;
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}
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long port = _tcstol(text, NULL, 10);
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if ((port < 1) || (port > 65535))
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{
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/* proxy port range error */
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ShowLocalizedMsg((http ? IDS_ERR_HTTP_PROXY_PORT_RANGE : IDS_ERR_SOCKS_PROXY_PORT_RANGE));
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return 0;
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}
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}
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return 1;
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}
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void
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LoadProxySettings(HWND hwndDlg)
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{
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/* Set Proxy type, address and port */
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if (o.proxy_type == http)
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{
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CheckRadioButton(hwndDlg, ID_RB_PROXY_HTTP, ID_RB_PROXY_SOCKS, ID_RB_PROXY_HTTP);
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_ADDRESS, o.proxy_http_address);
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_PORT, o.proxy_http_port);
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}
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else if (o.proxy_type == socks)
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{
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CheckRadioButton(hwndDlg, ID_RB_PROXY_HTTP, ID_RB_PROXY_SOCKS, ID_RB_PROXY_SOCKS);
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_ADDRESS, o.proxy_socks_address);
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_PORT, o.proxy_socks_port);
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}
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/* Set Proxy Settings Source */
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if (o.proxy_source == config)
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{
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SendMessage(GetDlgItem(hwndDlg, ID_RB_PROXY_OPENVPN), BM_CLICK, 0, 0);
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}
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else if (o.proxy_source == system)
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{
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SendMessage(GetDlgItem(hwndDlg, ID_RB_PROXY_MSIE), BM_CLICK, 0, 0);
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}
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else if (o.proxy_source == manual)
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{
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SendMessage(GetDlgItem(hwndDlg, ID_RB_PROXY_MANUAL), BM_CLICK, 0, 0);
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}
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}
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void
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SaveProxySettings(HWND hwndDlg)
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{
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HKEY regkey;
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DWORD dwDispos;
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TCHAR proxy_source_string[2] = _T("0");
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TCHAR proxy_type_string[2] = _T("0");
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/* Save Proxy Settings Source */
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if (IsDlgButtonChecked(hwndDlg, ID_RB_PROXY_OPENVPN) == BST_CHECKED)
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{
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o.proxy_source = config;
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proxy_source_string[0] = _T('0');
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}
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else if (IsDlgButtonChecked(hwndDlg, ID_RB_PROXY_MSIE) == BST_CHECKED)
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{
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o.proxy_source = system;
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proxy_source_string[0] = _T('1');
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}
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else if (IsDlgButtonChecked(hwndDlg, ID_RB_PROXY_MANUAL) == BST_CHECKED)
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{
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o.proxy_source = manual;
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proxy_source_string[0] = _T('2');
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}
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/* Save Proxy type, address and port */
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if (IsDlgButtonChecked(hwndDlg, ID_RB_PROXY_HTTP) == BST_CHECKED)
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{
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o.proxy_type = http;
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proxy_type_string[0] = _T('0');
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GetDlgItemText(hwndDlg, ID_EDT_PROXY_ADDRESS, o.proxy_http_address,
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_tsizeof(o.proxy_http_address));
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GetDlgItemText(hwndDlg, ID_EDT_PROXY_PORT, o.proxy_http_port,
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_tsizeof(o.proxy_http_port));
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}
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else
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{
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o.proxy_type = socks;
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proxy_type_string[0] = _T('1');
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GetDlgItemText(hwndDlg, ID_EDT_PROXY_ADDRESS, o.proxy_socks_address,
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_tsizeof(o.proxy_socks_address));
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GetDlgItemText(hwndDlg, ID_EDT_PROXY_PORT, o.proxy_socks_port,
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_tsizeof(o.proxy_socks_port));
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}
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/* Open Registry for writing */
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if (RegCreateKeyEx(HKEY_CURRENT_USER, GUI_REGKEY_HKCU, 0, _T(""), REG_OPTION_NON_VOLATILE,
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KEY_WRITE, NULL, ®key, &dwDispos) != ERROR_SUCCESS)
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{
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/* error creating Registry-Key */
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ShowLocalizedMsg(IDS_ERR_CREATE_REG_HKCU_KEY, GUI_REGKEY_HKCU);
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return;
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}
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/* Save Settings to registry */
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SetRegistryValue(regkey, _T("proxy_source"), proxy_source_string);
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SetRegistryValue(regkey, _T("proxy_type"), proxy_type_string);
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SetRegistryValue(regkey, _T("proxy_http_address"), o.proxy_http_address);
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SetRegistryValue(regkey, _T("proxy_http_port"), o.proxy_http_port);
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SetRegistryValue(regkey, _T("proxy_socks_address"), o.proxy_socks_address);
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SetRegistryValue(regkey, _T("proxy_socks_port"), o.proxy_socks_port);
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RegCloseKey(regkey);
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}
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void
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GetProxyRegistrySettings()
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{
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LONG status;
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HKEY regkey;
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TCHAR proxy_source_string[2] = _T("0");
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TCHAR proxy_type_string[2] = _T("0");
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/* Open Registry for reading */
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status = RegOpenKeyEx(HKEY_CURRENT_USER, GUI_REGKEY_HKCU, 0, KEY_READ, ®key);
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if (status != ERROR_SUCCESS)
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return;
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/* get registry settings */
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GetRegistryValue(regkey, _T("proxy_http_address"), o.proxy_http_address, _tsizeof(o.proxy_http_address));
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GetRegistryValue(regkey, _T("proxy_http_port"), o.proxy_http_port, _tsizeof(o.proxy_http_port));
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GetRegistryValue(regkey, _T("proxy_socks_address"), o.proxy_socks_address, _tsizeof(o.proxy_socks_address));
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GetRegistryValue(regkey, _T("proxy_socks_port"), o.proxy_socks_port, _tsizeof(o.proxy_socks_port));
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GetRegistryValue(regkey, _T("proxy_source"), proxy_source_string, _tsizeof(proxy_source_string));
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GetRegistryValue(regkey, _T("proxy_type"), proxy_type_string, _tsizeof(proxy_type_string));
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if (proxy_source_string[0] == _T('0'))
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{
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o.proxy_source = config;
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}
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else if (proxy_source_string[0] == _T('1'))
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{
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o.proxy_source = system;
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}
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else if (proxy_source_string[0] == _T('2'))
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{
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o.proxy_source = manual;
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}
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o.proxy_type = (proxy_type_string[0] == _T('0') ? http : socks);
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RegCloseKey(regkey);
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}
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BOOL CALLBACK
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ProxyAuthDialogFunc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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connection_t *c;
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TCHAR buf[50];
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char cmd[70] = "username \"HTTP Proxy\" \"";
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UINT username_len;
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int length;
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switch (msg)
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{
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case WM_INITDIALOG:
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/* Set connection for this dialog */
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SetProp(hwndDlg, cfgProp, (HANDLE) lParam);
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SetForegroundWindow(hwndDlg);
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break;
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case WM_COMMAND:
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switch (LOWORD(wParam))
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{
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case IDOK:
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c = (connection_t *) GetProp(hwndDlg, cfgProp);
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username_len = GetDlgItemText(hwndDlg, ID_EDT_PROXY_USER, buf, _tsizeof(buf));
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if (username_len == 0)
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return TRUE;
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length = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, buf, -1, cmd + 23, sizeof(cmd) - 23, "_", NULL);
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memcpy(cmd + length + 22, "\"\0", 2);
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ManagementCommand(c, cmd, NULL, regular);
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memcpy(cmd, "password", 8);
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GetDlgItemText(hwndDlg, ID_EDT_PROXY_PASS, buf, _tsizeof(buf));
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length = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, buf, -1, cmd + 23, sizeof(cmd) - 23, "_", NULL);
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memcpy(cmd + length + 22, "\"\0", 2);
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ManagementCommand(c, cmd, NULL, regular);
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/* Clear buffers */
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memset(buf, 'x', sizeof(buf));
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buf[sizeof(buf) - 1] = _T('\0');
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_USER, buf);
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SetDlgItemText(hwndDlg, ID_EDT_PROXY_PASS, buf);
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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}
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break;
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case WM_CLOSE:
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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case WM_NCDESTROY:
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RemoveProp(hwndDlg, cfgProp);
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break;
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}
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return FALSE;
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}
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/*
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* Construct the proxy options to append to the cmd-line.
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*/
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void ConstructProxyCmdLine(TCHAR *proxy_string, unsigned int size)
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{
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if (o.proxy_source == manual)
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{
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if (o.proxy_type == http)
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{
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__sntprintf_0(proxy_string, size, _T(" --http-proxy %s %s auto"),
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o.proxy_http_address, o.proxy_http_port);
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}
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else if (o.proxy_type == socks)
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{
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__sntprintf_0(proxy_string, size, _T(" --socks-proxy %s %s"),
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o.proxy_socks_address, o.proxy_socks_port);
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}
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}
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else if (o.proxy_source == system)
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{
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__sntprintf_0(proxy_string, size, _T(" --auto-proxy"));
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}
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}
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