/******************************************************************************
*
* Nagios check_nagios plugin
*
* License: GPL
* Copyright (c) 1999-2006 nagios-plugins team
*
* Last Modified: $Date: 2007-01-28 21:46:41 +0000 (Sun, 28 Jan 2007) $
*
* Description:
*
* This file contains the check_nagios plugin
*
*  This plugin checks the status of the Nagios process on the local machine
*  The plugin will check to make sure the Nagios status log is no older than
*  the number of minutes specified by the expires option.
*  It also checks the process table for a process matching the command argument.
*
*
* License Information:
*
* 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; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 $Id: check_nagios.c 1590 2007-01-28 21:46:41Z hweiss $
 
******************************************************************************/

const char *progname = "check_nagios";
const char *revision = "$Revision: 1590 $";
const char *copyright = "1999-2006";
const char *email = "nagiosplug-devel@lists.sourceforge.net";

#include "common.h"
#include "runcmd.h"
#include "utils.h"

int process_arguments (int, char **);
void print_help (void);
void print_usage (void);

char *status_log = NULL;
char *process_string = NULL;
int expire_minutes = 0;

int verbose = 0;

int
main (int argc, char **argv)
{
	int result = STATE_UNKNOWN;
	char input_buffer[MAX_INPUT_BUFFER];
	unsigned long latest_entry_time = 0L;
	unsigned long temp_entry_time = 0L;
	int proc_entries = 0;
	time_t current_time;
	char *temp_ptr;
	FILE *fp;
	int procuid = 0;
	int procpid = 0;
	int procppid = 0;
	int procvsz = 0;
	int procrss = 0;
	float procpcpu = 0;
	char procstat[8];
#ifdef PS_USES_PROCETIME
	char procetime[MAX_INPUT_BUFFER];
#endif /* PS_USES_PROCETIME */
	char procprog[MAX_INPUT_BUFFER];
	char *procargs;
	int pos, cols;
	int expected_cols = PS_COLS - 1;
	const char *zombie = "Z";
	char *temp_string;
	output chld_out, chld_err;
	size_t i;

	setlocale (LC_ALL, "");
	bindtextdomain (PACKAGE, LOCALEDIR);
	textdomain (PACKAGE);

	if (process_arguments (argc, argv) == ERROR)
		usage_va(_("Could not parse arguments"));

	/* Set signal handling and alarm timeout */
	if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR) {
		usage_va(_("Cannot catch SIGALRM"));
	}