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/* BSD-2-Clause license
*
* Copyright (c) 2018-2023 NST <www.newinfosec.ru>, sss <sss at dark-alexandr dot net>.
*
*/
#include <getopt.h>
#include <limits.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config_file.h"
#include "globals.h"
static void
print_help(const char *prog_path)
{
printf("Usage: %s [-c:d....]\nOptions:\n"
"\t-c\t--config_file\t\"Use settings from"
" specified file instead of default config file\"\n"
"\t-d\t--daemon\t\"Daemon mode (fork to background)\"\n"
"\t--http_port\t\"Set port for http/ws server\"\n"
"\t--help\t\"Print tthis help message\"\n",
prog_path);
exit(EXIT_FAILURE);
}
void
handle_cmdline_args(int argc, char **argv)
{
int c;
char config_file_path[_POSIX_PATH_MAX] = {0};
bool daemon = false, wrong_options = false;
while (1)
{
int option_index = 0;
static struct option long_options[] = {
{"config_file", required_argument, 0, 0},
{"daemon", no_argument, 0, 0},
{"ws_port", required_argument, 0, 0},
{"help", no_argument, 0, 0}
};
c = getopt_long(
argc, argv, "c:dp:", long_options, &option_index);
if (c == -1)
break;
switch (c)
{
case 0:
{
if (!strcmp(long_options[option_index].name,
"config_file")
&& optarg)
{
strncpy(config_file_path, optarg,
_POSIX_PATH_MAX - 1);
config_file_path[_POSIX_PATH_MAX - 1]
= 0;
}
else if (!strcmp(
long_options[option_index].name,
"ws_port")
&& optarg)
g_globals.settings.ws_port
= atoi(optarg);
else if (!strcmp(
long_options[option_index].name,
"daemon"))
daemon = true;
else if (!strcmp(
long_options[option_index].name,
"help"))
print_help(argv[0]);
}
break;
case 'c':
{
if (optarg) //clang static analyzer...
{
strncpy(config_file_path, optarg,
_POSIX_PATH_MAX - 1);
config_file_path[_POSIX_PATH_MAX - 1]
= 0;
}
}
break;
case 'p':
{
if (optarg) //clang static analyzer...
{
g_globals.settings.ws_port
= atoi(optarg);
}
}
break;
case 'd':
{
daemon = true;
}
break;
case '?':
{
wrong_options = true;
}
break;
default:
break;
}
}
if (wrong_options)
{
print_help(argv[0]);
}
else
{
g_globals.settings.daemon = daemon;
find_config_file(config_file_path);
}
}
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