#! /usr/bin/perl -w
###################################################################
# Oreon is developped with GPL Licence 2.0 
#
# GPL License: http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
#
# Developped by : Julien Mathis - Romain Le Merlus 
#                 Christophe Coraboeuf - Sugumaran Mathavarajan
#
###################################################################
# 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.
# 
#    For information : contact@merethis.com
####################################################################
#
# Script init
#

use strict;
use Net::SNMP qw(:snmp oid_lex_sort);
use FindBin;
use lib "$FindBin::Bin";
use lib "/usr/share/nagios/plugins";
use utils qw($TIMEOUT %ERRORS &print_revision &support);
if (eval "require centreon" ) {
    use centreon qw(get_parameters);
    use vars qw($VERSION %centreon);
    %centreon=get_parameters();
} else {
	print "Unable to load centreon perl module\n";
    exit $ERRORS{'UNKNOWN'};
}

use vars qw($PROGNAME);
use Getopt::Long;
use vars qw($opt_V $opt_h $opt_v $opt_C $opt_p $opt_H $opt_n $opt_k $opt_u $opt_x $result @result %process_list %STATUS);

# Plugin var init

my($proc, $proc_run);

$PROGNAME = $0;
sub print_help ();
sub print_usage ();

%STATUS=(1=>'running',2=>'runnable',3=>'notRunnable',4=>'invalid');

Getopt::Long::Configure('bundling');
GetOptions
    ("h"   => \$opt_h, "help"         => \$opt_h,
     "u=s"   => \$opt_u, "username=s" => \$opt_u,
     "x=s"   => \$opt_x, "password=s" => \$opt_x,
     "k=s"   => \$opt_k, "key=s"      => \$opt_k,
     "V"   => \$opt_V, "version"      => \$opt_V,
     "n"   => \$opt_n, "number"       => \$opt_n,
     "v=s" => \$opt_v, "snmp=s"       => \$opt_v,
     "C=s" => \$opt_C, "community=s"  => \$opt_C,
     "p=s" => \$opt_p, "process=s"    => \$opt_p,
     "H=s" => \$opt_H, "hostname=s"   => \$opt_H);

if ($opt_V) {
    print_revision($PROGNAME,'$Revision: 1.2 $');
 	exit $ERRORS{'OK'};
}

if ($opt_h) {
  	print_help();
 	exit $ERRORS{'OK'};
}

if (!$opt_H) {
	print_usage();
	exit $ERRORS{'OK'};
}
my $snmp = "1";
$snmp = $opt_v if ($opt_v && $opt_v =~ /^[0-9]$/);

if ($snmp eq "3") {
	if (!$opt_u) {
		print "Option -u (--username) is required for snmpV3\n";
		exit $ERRORS{'OK'};
	}
	if (!$opt_x && !$opt_k) {
		print "Option -k (--key) or -x (--password) is required for snmpV3\n";
		exit $ERRORS{'OK'};
	} elsif ($opt_x && $opt_k) {
		print "Only option -k (--key) or -x (--password) is needed for snmpV3\n";
		exit $ERRORS{'OK'};
	}
}

$opt_C = "public" if (!$opt_C);

my $process;
if(!$opt_p) {
	print_usage();
	exit $ERRORS{'OK'};
} elsif ($opt_p !~ /([-.A-Za-z0-9\,]+)/){
	print_usage();
	exit $ERRORS{'OK'};
}
$process = $opt_p;
my @process_temp = split /\,/,$opt_p;
my (@proc,@status);
foreach (@process_temp) {
$status[scalar(@status)] = 0;
$proc[scalar(@proc)] = $_;
} 
my $name = $0;

# Plugin snmp requests
my $OID_SW_ServiceName = "1.3.6.1.4.1.77.1.2.3.1.1";
my $OID_SW_ServiceInstallStatus = "1.3.6.1.4.1.77.1.2.3.1.2";
my $OID_SW_ServiceStatus = "1.3.6.1.4.1.77.1.2.3.1.3";

my ($session, $error);
if ($snmp eq "1" || $snmp eq "2") {
	($session, $error) = Net::SNMP->session(-hostname => $opt_H, -community => $opt_C, -version => $snmp);
	if (!defined($session)) {
	    print("UNKNOWN: SNMP Session : $error\n");
	    exit $ERRORS{'UNKNOWN'};
	}
} elsif ($opt_k) {
    ($session, $error) = Net::SNMP->session(-hostname => $opt_H, -version => $snmp, -username => $opt_u, -authkey => $opt_k);
	if (!defined($session)) {
    	print("UNKNOWN: SNMP Session : $error\n");
    	exit $ERRORS{'UNKNOWN'};
	}
} elsif ($opt_x) {
	($session, $error) = Net::SNMP->session(-hostname => $opt_H, -version => $snmp,  -username => $opt_u, -authpassword => $opt_x);
	if (!defined($session)) {
    	print("UNKNOWN: SNMP Session : $error\n");
    	exit $ERRORS{'UNKNOWN'};
	}
}
$result = $session->get_table(Baseoid => $OID_SW_ServiceName);
if (!defined($result)) {
    printf("UNKNOWN: %s.\n", $session->error);
    $session->close;
    exit $ERRORS{'UNKNOWN'};
}
my %install_status = ( 1=>"Uninstalled", 2=> "Install-pending", 3=> "Uninstall-Pending", 4=>"Installed");
my %defined_status = ( 1=>"Active", 2=>"Continue-Pending", 3=> "Pause-Pending", 4=> "Paused");
foreach my $key (oid_lex_sort(keys %$result)) {
    my $found = 0;
    for(my $i = 0; $i < scalar(@proc) && !$found; $i++) {
	my $value = substr($key, length($OID_SW_ServiceName)+1, length($key));
	if (lc $proc[$i] eq lc $result->{$key}) {
		my $result2 = $session->get_request(-varbindlist => [$OID_SW_ServiceInstallStatus . "." . $value]);
		if (!defined($result)) {
		       printf("UNKNOWN: %s.\n", $session->error);
		       $session->close;
			exit $ERRORS{'UNKNOWN'};
		}
		if ((my $temp_installStatus_val = $result2->{$OID_SW_ServiceInstallStatus . "." . $value})) {
		if ($temp_installStatus_val != 1 && $temp_installStatus_val != 3) {
			$result2 = $session->get_request(-varbindlist => [$OID_SW_ServiceStatus . "." . $value]);
			if (!defined($result)) {
			       printf("UNKNOWN: %s.\n", $session->error);
				$session->close;
				exit $ERRORS{'UNKNOWN'};
			}
			$status[$i] = $defined_status{$result2->{$OID_SW_ServiceStatus . "." . $value}};
	       	}else {
			$status[$i] = $install_status{$temp_installStatus_val};
		} 
		}
		$found = 1;
 	}
    }
}

my $final_status = "OK";
my $active = "";
my $inactive = "";
my $unknown = "";
# Plugin return code
for (my $i = 0; $i < scalar(@proc); $i++) {
	if (defined($status[$i])) {
		my $written = 0;
		if ($final_status ne "CRITICAL" && $status[$i] eq "0") {
			$status[$i] = "Unknown";
			$final_status = "WARNING";
			$written = 1;
			$unknown .= $proc[$i]." - ";
		}
		if ($final_status ne "CRITICAL" && $status[$i] eq "Uninstall-Pending" || $status[$i] eq "Pause-Pending") {
			$final_status = "WARNING";
			$written = 1;
			$inactive .= $proc[$i]." - ";
		}
		if ($status[$i] && ($status[$i] eq "Uninstalled" || $status[$i] eq "paused")) {
			$final_status = "CRITICAL";
			$written = 1;
			$inactive .= $proc[$i]." - ";
		}
		if (!$written) {
			$active .= $proc[$i]." - ";
		}
	}
}
my $msg = "";
if ($inactive ne "") {
	$msg .= "INACTIVE : $inactive ";
}
if ($unknown ne "") {
	$msg .= "UNKNOWN : $unknown ";
}
if ($active ne "") {
	$msg .= "ACTIVE : $active";
}
$msg =~ s/\- $//;
print "$msg\n";
exit $ERRORS{$final_status};

sub print_usage () {
    print "\nUsage:\n";
    print "$PROGNAME\n";
    print "   -H (--hostname)   Hostname to query - (required)\n";
    print "   -C (--community)  SNMP read community (defaults to public,\n";
    print "                     used with SNMP v1 and v2c\n";
    print "   -v (--snmp_version)  1 for SNMP v1 (default)\n";
    print "                        2 for SNMP v2c\n";
    print "   -n (--number)     Return the number of current running processes. \n";
    print "   -p (--process)    Set the process name ex: by default smbd\n";
    print "   -k (--key)        snmp V3 key\n";
    print "   -x (--password)   snmp V3 password\n";
    print "   -u (--username)   snmp v3 username \n";
    print "   -V (--version)    Plugin version\n";
    print "   -h (--help)       usage help\n";
}
sub print_help () {
    print "##############################################\n";
    print "#    Copyright (c) 2004-2007 Centreon        #\n";
    print "#    Bugs to http://bugs.oreon-project.org/  #\n";
    print "##############################################\n";
    print_usage();
    print "\n";
}
