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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 "options.h"
#include "main.h"
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <windows.h>
#include "openvpn-gui-res.h"
extern struct options o;
void
init_options (struct options *opt)
{
CLEAR (*opt);
}
int Createargcargv(struct options* options, char* command_line)
{
int argc;
char** argv;
char* arg;
int myindex;
int result;
int i;
// count the arguments
argc = 1;
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 = (char**)malloc(argc * sizeof(char*));
arg = command_line;
myindex = 1;
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++;
}
}
}
}
// put the program name into argv[0]
char filename[_MAX_PATH];
GetModuleFileName(NULL, filename, _MAX_PATH);
argv[0] = filename;
parse_argv(options, argc, argv);
free(argv);
return(0);
}
void
parse_argv (struct options* options,
int argc,
char *argv[])
{
int i, j;
/* parse command line */
for (i = 1; i < argc; ++i)
{
char *p[MAX_PARMS];
CLEAR (p);
p[0] = argv[i];
if (strncmp(p[0], "--", 2))
{
/* Missing -- before option. */
ShowLocalizedMsg(GUI_NAME, ERR_BAD_PARAMETER, p[0]);
exit(0);
}
else
p[0] += 2;
for (j = 1; j < MAX_PARMS; ++j)
{
if (i + j < argc)
{
char *arg = argv[i + j];
if (strncmp (arg, "--", 2))
p[j] = arg;
else
break;
}
}
i = add_option (options, i, p);
}
}
static int
add_option (struct options *options,
int i,
char *p[])
{
if (streq (p[0], "help"))
{
TCHAR usagetext[5000];
TCHAR usagecaption[200];
LoadString(o.hInstance, INFO_USAGE, usagetext, sizeof(usagetext) / sizeof(TCHAR));
LoadString(o.hInstance, INFO_USAGECAPTION, usagecaption, sizeof(usagetext) / sizeof(TCHAR));
MessageBox(NULL, usagetext, usagecaption, MB_OK);
exit(0);
}
else if (streq (p[0], "connect") && p[1])
{
++i;
static int auto_connect_nr=0;
if (auto_connect_nr == MAX_CONFIGS)
{
/* Too many configs */
ShowLocalizedMsg(GUI_NAME, ERR_TO_MANY_CONFIGS, MAX_CONFIGS);
exit(1);
}
options->auto_connect[auto_connect_nr] = p[1];
auto_connect_nr++;
}
else if (streq (p[0], "exe_path") && p[1])
{
++i;
strncpy(options->exe_path, p[1], sizeof(options->exe_path) - 1);
}
else if (streq (p[0], "config_dir") && p[1])
{
++i;
strncpy(options->config_dir, p[1], sizeof(options->config_dir) - 1);
}
else if (streq (p[0], "ext_string") && p[1])
{
++i;
strncpy(options->ext_string, p[1], sizeof(options->ext_string) - 1);
}
else if (streq (p[0], "log_dir") && p[1])
{
++i;
strncpy(options->log_dir, p[1], sizeof(options->log_dir) - 1);
}
else if (streq (p[0], "priority_string") && p[1])
{
++i;
strncpy(options->priority_string, p[1], sizeof(options->priority_string) - 1);
}
else if (streq (p[0], "append_string") && p[1])
{
++i;
strncpy(options->append_string, p[1], sizeof(options->append_string) - 1);
}
else if (streq (p[0], "log_viewer") && p[1])
{
++i;
strncpy(options->log_viewer, p[1], sizeof(options->log_viewer) - 1);
}
else if (streq (p[0], "editor") && p[1])
{
++i;
strncpy(options->editor, p[1], sizeof(options->editor) - 1);
}
else if (streq (p[0], "allow_edit") && p[1])
{
++i;
strncpy(options->allow_edit, p[1], sizeof(options->allow_edit) - 1);
}
else if (streq (p[0], "allow_service") && p[1])
{
++i;
strncpy(options->allow_service, p[1], sizeof(options->allow_service) - 1);
}
else if (streq (p[0], "allow_password") && p[1])
{
++i;
strncpy(options->allow_password, p[1], sizeof(options->allow_password) - 1);
}
else if (streq (p[0], "allow_proxy") && p[1])
{
++i;
strncpy(options->allow_proxy, p[1], sizeof(options->allow_proxy) - 1);
}
else if (streq (p[0], "show_balloon") && p[1])
{
++i;
strncpy(options->show_balloon, p[1], sizeof(options->show_balloon) - 1);
}
else if (streq (p[0], "service_only") && p[1])
{
++i;
strncpy(options->service_only, p[1], sizeof(options->service_only) - 1);
}
else if (streq (p[0], "show_script_window") && p[1])
{
++i;
strncpy(options->show_script_window, p[1], sizeof(options->show_script_window) - 1);
}
else if (streq (p[0], "silent_connection") && p[1])
{
++i;
strncpy(options->silent_connection, p[1], sizeof(options->silent_connection) - 1);
}
else if (streq (p[0], "passphrase_attempts") && p[1])
{
++i;
strncpy(options->psw_attempts_string, p[1], sizeof(options->psw_attempts_string) - 1);
}
else if (streq (p[0], "connectscript_timeout") && p[1])
{
++i;
strncpy(options->connectscript_timeout_string, p[1], sizeof(options->connectscript_timeout_string) - 1);
}
else if (streq (p[0], "disconnectscript_timeout") && p[1])
{
++i;
strncpy(options->disconnectscript_timeout_string, p[1],
sizeof(options->disconnectscript_timeout_string) - 1);
}
else if (streq (p[0], "preconnectscript_timeout") && p[1])
{
++i;
strncpy(options->preconnectscript_timeout_string, p[1],
sizeof(options->preconnectscript_timeout_string) - 1);
}
else
{
/* Unrecognized option or missing parameter */
ShowLocalizedMsg(GUI_NAME, ERR_BAD_OPTION, p[0]);
exit(1);
}
return i;
}
/*
* Returns TRUE if option exist in config file.
*/
int ConfigFileOptionExist(int config, const char *option)
{
FILE *fp;
char line[256];
int found_key=0;
int found_pkcs12=0;
char configfile_path[MAX_PATH];
strncpy(configfile_path, o.cnn[config].config_dir, sizeof(configfile_path));
if (!(configfile_path[strlen(configfile_path)-1] == '\\'))
strcat(configfile_path, "\\");
strncat(configfile_path, o.cnn[config].config_file,
sizeof(configfile_path) - strlen(configfile_path) - 1);
if (!(fp=fopen(configfile_path, "r")))
{
/* can't open config file */
ShowLocalizedMsg(GUI_NAME, 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);
}