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openvpn-gui/options.c

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/*
* OpenVPN-GUI -- A Windows GUI for OpenVPN.
*
* Copyright (C) 2004 Mathias Sundman <mathias@nilings.se>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <windows.h>
#include "config.h"
#include "options.h"
#include "main.h"
#include "openvpn-gui-res.h"
#include "localization.h"
extern struct options o;
void
init_options (struct options *opt)
{
CLEAR (*opt);
}
int Createargcargv(struct options *options, TCHAR *command_line)
{
int argc;
TCHAR **argv;
TCHAR* arg;
int myindex;
// count the arguments
argc = 0;
arg = command_line;
while (arg[0] != 0) {
while (arg[0] != 0 && arg[0] == ' ') {
arg++;
}
if (arg[0] != 0) {
argc++;
if (arg[0] == '\"') {
arg++;
while (arg[0] != 0 && arg[0] != '\"') {
arg++;
}
}
while (arg[0] != 0 && arg[0] != ' ') {
arg++;
}
}
}
// tokenize the arguments
argv = (TCHAR**) malloc(argc * sizeof(TCHAR*));
arg = command_line;
myindex = 0;
while (arg[0] != 0) {
while (arg[0] != 0 && arg[0] == ' ') {
arg++;
}
if (arg[0] != 0) {
if (arg[0] == '\"') {
arg++;
argv[myindex] = arg;
myindex++;
while (arg[0] != 0 && arg[0] != '\"') {
arg++;
}
if (arg[0] != 0) {
arg[0] = 0;
arg++;
}
while (arg[0] != 0 && arg[0] != ' ') {
arg++;
}
}
else {
argv[myindex] = arg;
myindex++;
while (arg[0] != 0 && arg[0] != ' ') {
arg++;
}
if (arg[0] != 0) {
arg[0] = 0;
arg++;
}
}
}
}
parse_argv(options, argc, argv);
free(argv);
return(0);
}
static int
add_option (struct options *options,
int i,
TCHAR *p[])
{
if (streq (p[0], _T("help")))
{
TCHAR usagecaption[200];
LoadLocalizedStringBuf(usagecaption, _tsizeof(usagecaption), IDS_NFO_USAGECAPTION);
MessageBox(NULL, LoadLocalizedString(IDS_NFO_USAGE), usagecaption, MB_OK);
exit(0);
}
else if (streq (p[0], _T("connect")) && p[1])
{
++i;
static int auto_connect_nr=0;
if (auto_connect_nr == MAX_CONFIGS)
{
/* Too many configs */
ShowLocalizedMsg(IDS_ERR_MANY_CONFIGS, MAX_CONFIGS);
exit(1);
}
options->auto_connect[auto_connect_nr] = p[1];
auto_connect_nr++;
}
else if (streq (p[0], _T("exe_path")) && p[1])
{
++i;
_tcsncpy(options->exe_path, p[1], _tsizeof(options->exe_path) - 1);
}
else if (streq (p[0], _T("config_dir")) && p[1])
{
++i;
_tcsncpy(options->config_dir, p[1], _tsizeof(options->config_dir) - 1);
}
else if (streq (p[0], _T("ext_string")) && p[1])
{
++i;
_tcsncpy(options->ext_string, p[1], _tsizeof(options->ext_string) - 1);
}
else if (streq (p[0], _T("log_dir")) && p[1])
{
++i;
_tcsncpy(options->log_dir, p[1], _tsizeof(options->log_dir) - 1);
}
else if (streq (p[0], _T("priority_string")) && p[1])
{
++i;
_tcsncpy(options->priority_string, p[1], _tsizeof(options->priority_string) - 1);
}
else if (streq (p[0], _T("append_string")) && p[1])
{
++i;
_tcsncpy(options->append_string, p[1], _tsizeof(options->append_string) - 1);
}
else if (streq (p[0], _T("log_viewer")) && p[1])
{
++i;
_tcsncpy(options->log_viewer, p[1], _tsizeof(options->log_viewer) - 1);
}
else if (streq (p[0], _T("editor")) && p[1])
{
++i;
_tcsncpy(options->editor, p[1], _tsizeof(options->editor) - 1);
}
else if (streq (p[0], _T("allow_edit")) && p[1])
{
++i;
_tcsncpy(options->allow_edit, p[1], _tsizeof(options->allow_edit) - 1);
}
else if (streq (p[0], _T("allow_service")) && p[1])
{
++i;
_tcsncpy(options->allow_service, p[1], _tsizeof(options->allow_service) - 1);
}
else if (streq (p[0], _T("allow_password")) && p[1])
{
++i;
_tcsncpy(options->allow_password, p[1], _tsizeof(options->allow_password) - 1);
}
else if (streq (p[0], _T("allow_proxy")) && p[1])
{
++i;
_tcsncpy(options->allow_proxy, p[1], _tsizeof(options->allow_proxy) - 1);
}
else if (streq (p[0], _T("show_balloon")) && p[1])
{
++i;
_tcsncpy(options->show_balloon, p[1], _tsizeof(options->show_balloon) - 1);
}
else if (streq (p[0], _T("service_only")) && p[1])
{
++i;
_tcsncpy(options->service_only, p[1], _tsizeof(options->service_only) - 1);
}
else if (streq (p[0], _T("show_script_window")) && p[1])
{
++i;
_tcsncpy(options->show_script_window, p[1], _tsizeof(options->show_script_window) - 1);
}
else if (streq (p[0], _T("silent_connection")) && p[1])
{
++i;
_tcsncpy(options->silent_connection, p[1], _tsizeof(options->silent_connection) - 1);
}
else if (streq (p[0], _T("passphrase_attempts")) && p[1])
{
++i;
_tcsncpy(options->psw_attempts_string, p[1], _tsizeof(options->psw_attempts_string) - 1);
}
else if (streq (p[0], _T("connectscript_timeout")) && p[1])
{
++i;
_tcsncpy(options->connectscript_timeout_string, p[1], _tsizeof(options->connectscript_timeout_string) - 1);
}
else if (streq (p[0], _T("disconnectscript_timeout")) && p[1])
{
++i;
_tcsncpy(options->disconnectscript_timeout_string, p[1],
_tsizeof(options->disconnectscript_timeout_string) - 1);
}
else if (streq (p[0], _T("preconnectscript_timeout")) && p[1])
{
++i;
_tcsncpy(options->preconnectscript_timeout_string, p[1],
_tsizeof(options->preconnectscript_timeout_string) - 1);
}
else
{
/* Unrecognized option or missing parameter */
ShowLocalizedMsg(IDS_ERR_BAD_OPTION, p[0]);
exit(1);
}
return i;
}
void
parse_argv (struct options* options,
int argc,
TCHAR *argv[])
{
int i, j;
/* parse command line */
for (i = 1; i < argc; ++i)
{
TCHAR *p[MAX_PARMS];
CLEAR (p);
p[0] = argv[i];
if (_tcsncmp(p[0], _T("--"), 2))
{
/* Missing -- before option. */
ShowLocalizedMsg(IDS_ERR_BAD_PARAMETER, p[0]);
exit(0);
}
else
p[0] += 2;
for (j = 1; j < MAX_PARMS; ++j)
{
if (i + j < argc)
{
TCHAR *arg = argv[i + j];
if (_tcsncmp (arg, _T("--"), 2))
p[j] = arg;
else
break;
}
}
i = add_option (options, i, p);
}
}
/*
* Returns TRUE if option exist in config file.
*/
int ConfigFileOptionExist(int config, const char *option)
{
FILE *fp;
char line[256];
TCHAR configfile_path[MAX_PATH];
_tcsncpy(configfile_path, o.cnn[config].config_dir, _tsizeof(configfile_path));
if (configfile_path[_tcslen(configfile_path) - 1] != _T('\\'))
_tcscat(configfile_path, _T("\\"));
_tcsncat(configfile_path, o.cnn[config].config_file,
_tsizeof(configfile_path) - _tcslen(configfile_path) - 1);
if (!(fp=_tfopen(configfile_path, _T("r"))))
{
/* can't open config file */
ShowLocalizedMsg(IDS_ERR_OPEN_CONFIG, configfile_path);
return(0);
}
while (fgets(line, sizeof (line), fp))
{
if ((strncmp(line, option, sizeof(option)) == 0))
{
fclose(fp);
return(1);
}
}
fclose(fp);
return(0);
}