ebt_ulog based arpwatch
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/***************************************************************************
* Copyright (C) 07/2007 by Olaf Rempel *
* razzor@kopf-tisch.de *
* *
* 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; version 2 of the License *
* *
* 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; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <getopt.h>
#include <time.h>
#include "configfile.h"
#include "datastore.h"
#include "event.h"
#include "logging.h"
#include "netlink.h"
#define DEFAULT_CONFIG "brarpwatch.conf"
#define DEFAULT_LOGFILE "brarpwatch.log"
static struct option opts[] = {
{"config", 1, 0, 'c'},
{"debug", 0, 0, 'd'},
{"help", 0, 0, 'h'},
{0, 0, 0, 0}
};
int main(int argc, char *argv[])
{
char *config = DEFAULT_CONFIG;
int code, arg = 0, debug = 0;
do {
code = getopt_long(argc, argv, "c:dh", opts, &arg);
switch (code) {
case 'c': /* config */
config = optarg;
break;
case 'd': /* debug */
debug = 1;
break;
case 'h': /* help */
printf("Usage: brarpwatch [options]\n"
"Options: \n"
" --config -c configfile use this configfile\n"
" --debug -d do not fork and log to stderr\n"
" --help -h this help\n"
"\n");
exit(0);
break;
case '?': /* error */
exit(-1);
break;
default: /* unknown / all options parsed */
break;
}
} while (code != -1);
/* parse config file */
if (config_parse(config))
exit(1);
if (datastore_init() < 0)
exit(1);
if (netlink_init() < 0) {
datastore_close();
exit(1);
}
#if 0
unsigned char mac[6];
unsigned char mac2[6];
unsigned char mac3[6];
unsigned int ip = 0x01000a0a;
unsigned int ip2 = 0x02000a0a;
long stamp = time(NULL);
// subnet not found
ds_check_update_ip("eth0", ip +1, mac, stamp++);
// wrong dev not found
ds_check_update_ip("eth1", ip, mac, stamp++);
// ok
ds_check_update_ip("eth0", ip, mac, stamp++);
// wrong dev
ds_check_update_ip("eth1", ip, mac, stamp++);
// update
ds_check_update_ip("eth0", ip, mac, stamp++);
// warn
ds_check_update_ip("eth0", ip, mac2, stamp++);
// warn
ds_check_update_ip("eth0", ip, mac3, stamp++);
// ok
ds_check_update_ip("eth0", ip2, mac, stamp++);
#endif
event_loop();
netlink_close();
datastore_close();
return 0;
}