mirror of https://github.com/OpenVPN/openvpn-gui
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126 lines
2.9 KiB
126 lines
2.9 KiB
/*
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* OpenVPN-GUI -- A Windows GUI for OpenVPN.
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*
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* Copyright (C) 2012 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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <windows.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include "options.h"
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#include "manage.h"
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#include "misc.h"
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/*
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* Helper function to convert UCS-2 text from a dialog item to UTF-8.
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* Caller must free *str if *len != 0.
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*/
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static BOOL
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GetDlgItemTextUtf8(HWND hDlg, int id, LPSTR *str, int *len)
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{
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int ucs2_len, utf8_len;
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BOOL retval = FALSE;
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LPTSTR ucs2_str = NULL;
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LPSTR utf8_str = NULL;
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*str = "";
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*len = 0;
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ucs2_len = GetWindowTextLength(GetDlgItem(hDlg, id)) + 1;
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if (ucs2_len == 0)
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goto out;
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ucs2_str = malloc(ucs2_len * sizeof(*ucs2_str));
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if (ucs2_str == NULL)
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goto out;
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if (GetDlgItemText(hDlg, id, ucs2_str, ucs2_len) == 0)
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goto out;
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utf8_len = WideCharToMultiByte(CP_UTF8, 0, ucs2_str, -1, NULL, 0, NULL, NULL);
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utf8_str = malloc(utf8_len);
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if (utf8_str == NULL)
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goto out;
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WideCharToMultiByte(CP_UTF8, 0, ucs2_str, -1, utf8_str, utf8_len, NULL, NULL);
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*str = utf8_str;
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*len = utf8_len - 1;
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retval = TRUE;
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out:
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free(ucs2_str);
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return retval;
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}
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/*
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* Generate a management command from user input and send it
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*/
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BOOL
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ManagementCommandFromInput(connection_t *c, LPSTR fmt, HWND hDlg, int id)
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{
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BOOL retval = FALSE;
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LPSTR input, cmd;
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int input_len, cmd_len;
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GetDlgItemTextUtf8(hDlg, id, &input, &input_len);
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cmd_len = input_len + strlen(fmt);
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cmd = malloc(cmd_len);
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if (cmd)
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{
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snprintf(cmd, cmd_len, fmt, input);
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retval = ManagementCommand(c, cmd, NULL, regular);
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free(cmd);
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}
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/* Clear buffers with potentially secret content */
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memset(input, 'x', input_len - 1);
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SetDlgItemTextA(hDlg, id, input);
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free(input);
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return retval;
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}
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/*
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* Various string helper functions
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*/
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BOOL
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streq(LPCSTR str1, LPCSTR str2)
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{
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return (strcmp(str1, str2) == 0);
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}
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BOOL
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wcsbegins(LPCWSTR str, LPCWSTR begin)
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{
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return (wcsncmp(str, begin, wcslen(begin)) == 0);
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}
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BOOL
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wcseq(LPCWSTR str1, LPCWSTR str2)
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{
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return (wcscmp(str1, str2) == 0);
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}
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