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/*
* (C) 2012 by Pablo Neira Ayuso <pablo@netfilter.org>
*
* 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 code has been sponsored by Vyatta Inc. <http://www.vyatta.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <netinet/in.h>
#include <errno.h>
#include <libmnl/libmnl.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
#include <libnetfilter_cttimeout/libnetfilter_cttimeout.h>
#include "nfct.h"
static int nfct_cmd_version(int argc, char *argv[]);
static int nfct_cmd_help(int argc, char *argv[]);
static void usage(char *argv[])
{
fprintf(stderr, "Usage: %s subsystem command [parameters]...\n",
argv[0]);
}
void nfct_perror(const char *msg)
{
if (errno == 0) {
fprintf(stderr, "nfct v%s: %s\n", VERSION, msg);
} else {
fprintf(stderr, "nfct v%s: %s: %s\n",
VERSION, msg, strerror(errno));
}
}
int main(int argc, char *argv[])
{
int subsys = NFCT_SUBSYS_NONE, ret = 0;
if (argc < 2) {
usage(argv);
exit(EXIT_FAILURE);
}
if (strncmp(argv[1], "timeout", strlen(argv[1])) == 0) {
subsys = NFCT_SUBSYS_TIMEOUT;
} else if (strncmp(argv[1], "version", strlen(argv[1])) == 0)
subsys = NFCT_SUBSYS_VERSION;
else if (strncmp(argv[1], "help", strlen(argv[1])) == 0)
subsys = NFCT_SUBSYS_HELP;
else {
fprintf(stderr, "nfct v%s: Unknown subsystem: %s\n",
VERSION, argv[1]);
usage(argv);
exit(EXIT_FAILURE);
}
switch(subsys) {
case NFCT_SUBSYS_TIMEOUT:
ret = nfct_cmd_timeout_parse_params(argc, argv);
break;
case NFCT_SUBSYS_VERSION:
ret = nfct_cmd_version(argc, argv);
break;
case NFCT_SUBSYS_HELP:
ret = nfct_cmd_help(argc, argv);
break;
}
return ret < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
static const char version_msg[] =
"nfct v%s: utility for the Netfilter's Connection Tracking System\n"
"Copyright (C) 2012 Pablo Neira Ayuso <pablo@netfilter.org>\n"
"This program comes with ABSOLUTELY NO WARRANTY.\n"
"This is free software, and you are welcome to redistribute it under "
"certain \nconditions; see LICENSE file distributed in this package "
"for details.\n";
static int nfct_cmd_version(int argc, char *argv[])
{
printf(version_msg, VERSION);
return 0;
}
static const char help_msg[] =
"nfct v%s: utility for the Netfilter's Connection Tracking System\n"
"Usage: %s command [parameters]...\n\n"
"Subsystem:\n"
" timeout\t\tAllows definition of fine-grain timeout policies\n"
" version\t\tDisplay version and disclaimer\n"
" help\t\t\tDisplay this help message\n"
"Commands:\n"
" list [reset]\t\tList the accounting object table (and reset)\n"
" add object-name\tAdd new accounting object to table\n"
" delete object-name\tDelete existing accounting object\n"
" get object-name\tGet existing accounting object\n"
" flush\t\t\tFlush accounting object table\n";
static int nfct_cmd_help(int argc, char *argv[])
{
printf(help_msg, VERSION, argv[0]);
return 0;
}
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