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#!/usr/bin/perl -w
#
# check_rpc plugin for nagios
#
# usage:
# check_rpc host service
#
# Check if an rpc serice is registered and running
# using rpcinfo - $proto $host $prognum 2>&1 |";
#
# Use these hosts.cfg entries as examples
#
# command[check_nfs]=/some/path/libexec/check_rpc $HOSTADDRESS$ nfs
# service[check_nfs]=NFS;24x7;3;5;5;unix-admin;60;24x7;1;1;1;;check_rpc
#
# initial version: 3 May 2000 by Truongchinh Nguyen and Karl DeBisschop
# Modified May 2002 Subhendu Ghosh - support for ePN and patches
#
# Copyright Notice: GPL
#
use strict;
use FindBin;
use lib "$FindBin::Bin";
use lib '/usr/lib64/nagios/plugins';
use utils qw($TIMEOUT %ERRORS &print_revision &support);
use vars qw($PROGNAME);
my ($verbose,@proto,%prognum,$host,$response,$prognum,$port,$cmd,$progver,$state);
my ($array_ref,$test,$element,@progkeys,$proto,$a,$b);
my ($opt_V,$opt_h,$opt_C,$opt_p,$opt_H,$opt_c,$opt_u,$opt_t);
my ($line, @progvers, $response2,$response3);
$opt_V = $opt_h = $opt_C = $opt_p = $opt_H = $opt_u = $opt_t ='';
$state = 'UNKNOWN';
$progver = $response=$response2= $response3 ='';
$PROGNAME = "check_rpc";
sub print_help ();
sub print_usage ();
sub in ($$);
$ENV{'PATH'}='/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin';
$ENV{'BASH_ENV'}='';
$ENV{'ENV'}='';
$ENV{'LC_ALL'}='C';
#Initialise protocol for each progname number
# 'u' for UDP, 't' for TCP
$proto[10003]='u';
$proto[10004]='u';
$proto[10007]='u';
use Getopt::Long;
Getopt::Long::Configure('bundling');
GetOptions(
"V" => \$opt_V, "version" => \$opt_V,
"h" => \$opt_h, "help" => \$opt_h,
"C=s" => \$opt_C, "command=s" => \$opt_C,
"p=i" => \$opt_p, "port=i" => \$opt_p,
"H=s" => \$opt_H, "hostname=s" => \$opt_H,
"c=s" => \$opt_c, "progver=s" => \$opt_c,
"v+" => \$verbose, "verbose+" => \$verbose,
"u" => \$opt_u, "udp" => \$opt_u,
"t" => \$opt_t, "tcp" => \$opt_t
);
# -h means display verbose help screen
if ($opt_h) { print_help(); exit $ERRORS{'OK'}; }
# -V means display version number
if ($opt_V) {
print_revision($PROGNAME,'2.1.4');
exit $ERRORS{'OK'};
}
# Hash containing all RPC program names and numbers
# Add to the hash if support for new RPC program is required
%prognum = (
"portmapper" => 100000 ,
"portmap" => 100000 ,
"sunrpc" => 100000 ,
"rpcbind" => 100000 ,
"rstatd" => 100001 ,
"rstat" => 100001 ,
"rup" => 100001 ,
"perfmeter" => 100001 ,
"rstat_svc" => 100001 ,
"rusersd" => 100002 ,
"rusers" => 100002 ,
"nfs" => 100003 ,
"nfsprog" => 100003 ,
"ypserv" => 100004 ,
"ypprog" => 100004 ,
"mountd" => 100005 ,
"mount" => 100005 ,
"showmount" => 100005 ,
"ypbind" => 100007 ,
"walld" => 100008 ,
"rwall" => 100008 ,
"shutdown" => 100008 ,
"yppasswdd" => 100009 ,
"yppasswd" => 100009 ,
"etherstatd" => 100010 ,
"etherstat" => 100010 ,
"rquotad" => 100011 ,
"rquotaprog" => 100011 ,
"quota" => 100011 ,
"rquota" => 100011 ,
"sprayd" => 100012 ,
"spray" => 100012 ,
"3270_mapper" => 100013 ,
"rje_mapper" => 100014 ,
"selection_svc" => 100015 ,
"selnsvc" => 100015 ,
"database_svc" => 100016 ,
"rexd" => 100017 ,
"rex" => 100017 ,
"alis" => 100018 ,
"sched" => 100019 ,
"llockmgr" => 100020 ,
"nlockmgr" => 100021 ,
"x25_inr" => 100022 ,
"statmon" => 100023 ,
"status" => 100024 ,
"bootparam" => 100026 ,
"ypupdated" => 100028 ,
"ypupdate" => 100028 ,
"keyserv" => 100029 ,
"keyserver" => 100029 ,
"sunlink_mapper" => 100033 ,
"tfsd" => 100037 ,
"nsed" => 100038 ,
"nsemntd" => 100039 ,
"showfhd" => 100043 ,
"showfh" => 100043 ,
"ioadmd" => 100055 ,
"rpc.ioadmd" => 100055 ,
"NETlicense" => 100062 ,
"sunisamd" => 100065 ,
"debug_svc" => 100066 ,
"dbsrv" => 100066 ,
"ypxfrd" => 100069 ,
"rpc.ypxfrd" => 100069 ,
"bugtraqd" => 100071 ,
"kerbd" => 100078 ,
"event" => 100101 ,
"na.event" => 100101 ,
"logger" => 100102 ,
"na.logger" => 100102 ,
"sync" => 100104 ,
"na.sync" => 100104 ,
"hostperf" => 100107 ,
"na.hostperf" => 100107 ,
"activity" => 100109 ,
"na.activity" => 100109 ,
"hostmem" => 100112 ,
"na.hostmem" => 100112 ,
"sample" => 100113 ,
"na.sample" => 100113 ,
"x25" => 100114 ,
"na.x25" => 100114 ,
"ping" => 100115 ,
"na.ping" => 100115 ,
"rpcnfs" => 100116 ,
"na.rpcnfs" => 100116 ,
"hostif" => 100117 ,
"na.hostif" => 100117 ,
"etherif" => 100118 ,
"na.etherif" => 100118 ,
"iproutes" => 100120 ,
"na.iproutes" => 100120 ,
"layers" => 100121 ,
"na.layers" => 100121 ,
"snmp" => 100122 ,
"na.snmp" => 100122 ,
"snmp-cmc" => 100122 ,
"snmp-synoptics" => 100122 ,
"snmp-unisys" => 100122 ,
"snmp-utk" => 100122 ,
"traffic" => 100123 ,
"na.traffic" => 100123 ,
"nfs_acl" => 100227 ,
"sadmind" => 100232 ,
"nisd" => 100300 ,
"rpc.nisd" => 100300 ,
"nispasswd" => 100303 ,
"rpc.nispasswdd" => 100303 ,
"ufsd" => 100233 ,
"ufsd" => 100233 ,
"pcnfsd" => 150001 ,
"pcnfs" => 150001 ,
"amd" => 300019 ,
"amq" => 300019 ,
"bwnfsd" => 545580417 ,
"fypxfrd" => 600100069 ,
"freebsd-ypxfrd" => 600100069 ,
);
# -v means verbose, -v-v means verbose twice = print above hash
if (defined $verbose && ($verbose > 1) ){
my $key;
print "Supported programs:\n";
print " name\t=>\tnumber\n";
print " ===============================\n";
foreach $key (sort keys %prognum) {
print " $key \t=>\t$prognum{$key} \n";
}
print "\n\n";
print_usage();
exit $ERRORS{'OK'};
}
# -H means host name
unless ($opt_H) { print_usage(); exit $ERRORS{'UNKNOWN'}; }
if (! utils::is_hostname($opt_H)){
print "$opt_H is not a valid host name\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}else{
$host = $opt_H;
}
if ($opt_t && $opt_u) {
print "Cannot define tcp AND udp\n";
print_usage();
exit $ERRORS{'UNKNOWN'};
}
# -C means command name or number
$opt_C = shift unless ($opt_C);
unless ($opt_C) { print_usage(); exit -1; }
@progkeys = keys %prognum;
if ($opt_C =~ m/^([0-9]+)$/){
# $response = "RPC ok: program $opt_C (version ";
$prognum = $1;
} elsif ( in( \@progkeys, $opt_C)) {
# $response = "RPC ok: $opt_C (version ";
$prognum = $prognum{$opt_C};
} else {
print "Program $opt_C is not defined\n";
exit $ERRORS{'UNKNOWN'};
}
# -p means port number
if($opt_p =~ /^([0-9]+)$/){
$port = "-n $1";
} else {
$port = "";
}
$proto = 'u';
$proto = $proto[$prognum] if ($proto[$prognum]);
$proto = 't' if ($opt_t);
$proto = 'u' if ($opt_u);
# Just in case of problems, let's not hang Nagios
$SIG{'ALRM'} = sub {
print ("ERROR: No response from RPC server (alarm)\n");
exit $ERRORS{"UNKNOWN"};
};
alarm($TIMEOUT);
# -c is progver - if we need to check multiple specified versions.
if (defined $opt_c ) {
my $vers;
@progvers = split(/,/ ,$opt_c );
foreach $vers (sort @progvers) {
if($vers =~ /^([0-9]+)$/){
$progver = "$1";
print "Checking $opt_C version $progver proto $proto\n" if $verbose;
get_rpcinfo();
}else{
print "Version $vers is not an integer\n" if $verbose;
}
}
}else{
get_rpcinfo();
}
## translate proto for output
if ($proto eq "u" ){
$proto = "udp";
}else{
$proto = "tcp";
}
if ($state eq 'OK') {
print "$state: RPC program $opt_C".$response." $proto running\n";
}else{
if($response){
print "$state: RPC program $opt_C".$response2." $proto is not running,".$response." $proto is running\n";
}else{
print "$state: RPC program $opt_C $response2 $proto is not running\n";
}
}
exit $ERRORS{$state};
######## Subroutines ==========================
sub get_rpcinfo {
$cmd = "$utils::PATH_TO_RPCINFO $port -" . "$proto $host $prognum $progver 2>&1 |";
print "$cmd\n" if ($verbose);
open CMD, $cmd or die "Can't fork for rpcinfo: $!\n" ;
while ( $line = <CMD> ) {
printf "$line " if $verbose;
chomp $line;
if ( $line =~ /program $prognum version ([0-9]*) ready and waiting/ ) {
$response .= " version $1";
$state = 'OK' unless $state ne 'UNKNOWN';
print "1:$response \n" if $verbose;
}
if ( $line =~ /program $prognum version ([0-9]*) is not available/ ) {
$response2 .= " version $1";
$state = 'CRITICAL';
print "2:$response2 \n" if $verbose;
}
if ( $line =~ /program $prognum is not available/ ) {
$response3 = "";
$response3 = "tcp" if $opt_t;
$response3 = "udp" if $opt_u;
$state = 'CRITICAL';
print "3:$response3 \n" if $verbose;
}
}
close CMD;
}
sub print_help() {
print_revision($PROGNAME,'2.1.4');
print "Copyright (c) 2002 Karl DeBisschop/Truongchinh Nguyen/Subhendu Ghosh\n";
print "\n";
print "Check if a rpc service is registered and running using\n";
print " rpcinfo -H host -C rpc_command \n";
print "\n";
print_usage();
print "\n";
print " <host> The server providing the rpc service\n";
print " <rpc_command> The program name (or number).\n";
print " <program_version> The version you want to check for (one or more)\n";
print " Should prevent checks of unknown versions being syslogged\n";
print " e.g. 2,3,6 to check v2, v3, and v6\n";
print " [-u | -t] Test UDP or TCP\n";
print " [-v] Verbose \n";
print " [-v -v] Verbose - will print supported programs and numbers \n";
print "\n";
support();
}
sub print_usage () {
print "Usage: \n";
print " $PROGNAME -H host -C rpc_command [-p port] [-c program_version] [-u|-t] [-v]\n";
print " $PROGNAME [-h | --help]\n";
print " $PROGNAME [-V | --version]\n";
}
sub in ($$) {
$array_ref = shift;
$test = shift;
while ( $element = shift @{$array_ref} ) {
if ($test eq $element) {
return 1;
}
}
return 0;
}
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