plugins-scripts/check_rpc.pl

   1 #!/usr/local/bin/perl -w
   2 #
   3 # check_rpc plugin for nagios
   4 #
   5 # usage:
   6 #    check_rpc host service
   7 #
   8 # Check if an rpc serice is registered and running
   9 # using rpcinfo - $proto $host $prognum 2>&1 |";
  10 #
  11 # Use these hosts.cfg entries as examples
  12 #
  13 # command[check_nfs]=/some/path/libexec/check_rpc $HOSTADDRESS$ nfs
  14 # service[check_nfs]=NFS;24x7;3;5;5;unix-admin;60;24x7;1;1;1;;check_rpc
  15 #
  16 # initial version: 3 May 2000 by Truongchinh Nguyen and Karl DeBisschop
  17 # Modified May 2002 Subhendu Ghosh - support for ePN and patches
  18 #
  19 # Copyright Notice: GPL
  20 #
  21
  22 use strict;
  23 use lib utils.pm;
  24 use utils qw($TIMEOUT %ERRORS &print_revision &support);
  25 use vars qw($PROGNAME);
  26 my ($verbose,@proto,%prognum,$host,$response,$prognum,$port,$cmd,$progver,$state);
  27 my ($array_ref,$test,$element,@progkeys,$proto,$a,$b);
  28 my ($opt_V,$opt_h,$opt_C,$opt_p,$opt_H,$opt_c,$opt_u,$opt_t);
  29 my ($line, @progvers, $response2,$response3);
  30 $opt_V = $opt_h = $opt_C = $opt_p = $opt_H =  $opt_u = $opt_t ='';
  31 $state = 'UNKNOWN';
  32 $progver = $response=$response2= $response3 ='';
  33
  34 $PROGNAME = "check_rpc";
  35 sub print_help ();
  36 sub print_usage ();
  37 sub in ($$);
  38
  39 $ENV{'BASH_ENV'}='';
  40 $ENV{'ENV'}='';
  41 $ENV{'PATH'}='';
  42 $ENV{'LC_ALL'}='C';
  43
  44 #Initialise protocol for each progname number
  45 # 'u' for UDP, 't' for TCP
  46 $proto[10003]='u';
  47 $proto[10004]='u';
  48 $proto[10007]='u';
  49
  50 use Getopt::Long;
  51 Getopt::Long::Configure('bundling');
  52 GetOptions(
  53         "V"   => \$opt_V,   "version"    => \$opt_V,
  54         "h"   => \$opt_h,   "help"       => \$opt_h,
  55         "C=s" => \$opt_C,   "command=s"  => \$opt_C,
  56         "p=i" => \$opt_p,   "port=i"     => \$opt_p,
  57         "H=s" => \$opt_H,   "hostname=s" => \$opt_H,
  58         "c=s" => \$opt_c,   "progver=s"  => \$opt_c,
  59         "v+"  => \$verbose, "verbose+"   => \$verbose,
  60         "u"   => \$opt_u,   "udp"        => \$opt_u,
  61         "t"   => \$opt_t,   "tcp"        => \$opt_t
  62 );
  63
  64 # -h means display verbose help screen
  65 if ($opt_h) { print_help(); exit $ERRORS{'OK'}; }
  66
  67 # -V means display version number
  68 if ($opt_V) {
  69         print_revision($PROGNAME,'@NP_VERSION@');
  70         exit $ERRORS{'OK'};
  71 }
  72
  73 # Hash containing all RPC program names and numbers
  74 # Add to the hash if support for new RPC program is required
  75
  76 %prognum  = (
  77         "portmapper"  => 100000 ,
  78         "portmap"  => 100000 ,
  79         "sunrpc"  => 100000 ,
  80         "rpcbind"  => 100000 ,
  81         "rstatd"  => 100001 ,
  82         "rstat"  => 100001 ,
  83         "rup"  => 100001 ,
  84         "perfmeter"  => 100001 ,
  85         "rstat_svc"  => 100001 ,
  86         "rusersd"  => 100002 ,
  87         "rusers"  => 100002 ,
  88         "nfs"  => 100003 ,
  89         "nfsprog"  => 100003 ,
  90         "ypserv"  => 100004 ,
  91         "ypprog"  => 100004 ,
  92         "mountd"  => 100005 ,
  93         "mount"  => 100005 ,
  94         "showmount"  => 100005 ,
  95         "ypbind"  => 100007 ,
  96         "walld"  => 100008 ,
  97         "rwall"  => 100008 ,
  98         "shutdown"  => 100008 ,
  99         "yppasswdd"  => 100009 ,
 100         "yppasswd"  => 100009 ,
 101         "etherstatd"  => 100010 ,
 102         "etherstat"  => 100010 ,
 103         "rquotad"  => 100011 ,
 104         "rquotaprog"  => 100011 ,
 105         "quota"  => 100011 ,
 106         "rquota"  => 100011 ,
 107         "sprayd"  => 100012 ,
 108         "spray"  => 100012 ,
 109         "3270_mapper"  => 100013 ,
 110         "rje_mapper"  => 100014 ,
 111         "selection_svc"  => 100015 ,
 112         "selnsvc"  => 100015 ,
 113         "database_svc"  => 100016 ,
 114         "rexd"  => 100017 ,
 115         "rex"  => 100017 ,
 116         "alis"  => 100018 ,
 117         "sched"  => 100019 ,
 118         "llockmgr"  => 100020 ,
 119         "nlockmgr"  => 100021 ,
 120         "x25_inr"  => 100022 ,
 121         "statmon"  => 100023 ,
 122         "status"  => 100024 ,
 123         "bootparam"  => 100026 ,
 124         "ypupdated"  => 100028 ,
 125         "ypupdate"  => 100028 ,
 126         "keyserv"  => 100029 ,
 127         "keyserver"  => 100029 ,
 128         "sunlink_mapper"  => 100033 ,
 129         "tfsd"  => 100037 ,
 130         "nsed"  => 100038 ,
 131         "nsemntd"  => 100039 ,
 132         "showfhd"  => 100043 ,
 133         "showfh"  => 100043 ,
 134         "ioadmd"  => 100055 ,
 135         "rpc.ioadmd"  => 100055 ,
 136         "NETlicense"  => 100062 ,
 137         "sunisamd"  => 100065 ,
 138         "debug_svc"  => 100066 ,
 139         "dbsrv"  => 100066 ,
 140         "ypxfrd"  => 100069 ,
 141         "rpc.ypxfrd"  => 100069 ,
 142         "bugtraqd"  => 100071 ,
 143         "kerbd"  => 100078 ,
 144         "event"  => 100101 ,
 145         "na.event"  => 100101 ,
 146         "logger"  => 100102 ,
 147         "na.logger"  => 100102 ,
 148         "sync"  => 100104 ,
 149         "na.sync"  => 100104 ,
 150         "hostperf"  => 100107 ,
 151         "na.hostperf"  => 100107 ,
 152         "activity"  => 100109 ,
 153         "na.activity"  => 100109 ,
 154         "hostmem"  => 100112 ,
 155         "na.hostmem"  => 100112 ,
 156         "sample"  => 100113 ,
 157         "na.sample"  => 100113 ,
 158         "x25"  => 100114 ,
 159         "na.x25"  => 100114 ,
 160         "ping"  => 100115 ,
 161         "na.ping"  => 100115 ,
 162         "rpcnfs"  => 100116 ,
 163         "na.rpcnfs"  => 100116 ,
 164         "hostif"  => 100117 ,
 165         "na.hostif"  => 100117 ,
 166         "etherif"  => 100118 ,
 167         "na.etherif"  => 100118 ,
 168         "iproutes"  => 100120 ,
 169         "na.iproutes"  => 100120 ,
 170         "layers"  => 100121 ,
 171         "na.layers"  => 100121 ,
 172         "snmp"  => 100122 ,
 173         "na.snmp"  => 100122 ,
 174         "snmp-cmc"  => 100122 ,
 175         "snmp-synoptics"  => 100122 ,
 176         "snmp-unisys"  => 100122 ,
 177         "snmp-utk"  => 100122 ,
 178         "traffic"  => 100123 ,
 179         "na.traffic"  => 100123 ,
 180         "nfs_acl"  => 100227 ,
 181         "sadmind"  => 100232 ,
 182         "nisd"  => 100300 ,
 183         "rpc.nisd"  => 100300 ,
 184         "nispasswd"  => 100303 ,
 185         "rpc.nispasswdd"  => 100303 ,
 186         "ufsd"  => 100233 ,
 187         "ufsd"  => 100233 ,
 188         "pcnfsd"  => 150001 ,
 189         "pcnfs"  => 150001 ,
 190         "amd"  => 300019 ,
 191         "amq"  => 300019 ,
 192         "bwnfsd"  => 545580417 ,
 193         "fypxfrd"  => 600100069 ,
 194         "freebsd-ypxfrd"  => 600100069 ,
 195 );
 196
 197 # -v means verbose, -v-v means verbose twice = print above hash
 198 if (defined $verbose && ($verbose > 1) ){
 199         my $key;
 200         print "Supported programs:\n";
 201         print "    name\t=>\tnumber\n";
 202         print " ===============================\n";
 203         foreach $key (sort keys %prognum) {
 204                 print "   $key \t=>\t$prognum{$key} \n";
 205         }
 206         print "\n\n";
 207         print_usage();
 208         exit $ERRORS{'OK'};
 209 }
 210
 211 # -H means host name
 212 unless ($opt_H) { print_usage(); exit $ERRORS{'UNKNOWN'}; }
 213
 214 if (! utils::is_hostname($opt_H)){
 215         print "$opt_H is not a valid host name\n";
 216         print_usage();
 217         exit $ERRORS{"UNKNOWN"};
 218 }else{
 219         $host = $opt_H;
 220 }
 221
 222 if ($opt_t && $opt_u) {
 223         print "Cannot define tcp AND udp\n";
 224         print_usage();
 225         exit $ERRORS{'UNKNOWN'};
 226 }
 227
 228
 229 # -C means command name or number
 230 $opt_C = shift unless ($opt_C);
 231 unless ($opt_C) { print_usage(); exit -1; }
 232 @progkeys = keys %prognum;
 233 if ($opt_C =~ m/^([0-9]+)$/){
 234 #    $response = "RPC ok: program $opt_C (version ";
 235     $prognum = $1;
 236 } elsif ( in( \@progkeys, $opt_C)) {
 237 #    $response = "RPC ok: $opt_C (version ";
 238     $prognum = $prognum{$opt_C};
 239 } else {
 240     print "Program $opt_C is not defined\n";
 241     exit $ERRORS{'UNKNOWN'};
 242 }
 243
 244 # -p means port number
 245 if($opt_p =~ /^([0-9]+)$/){
 246     $port = "-n $1";
 247 } else {
 248     $port = "";
 249 }
 250
 251 $proto = 'u';
 252 $proto = $proto[$prognum] if ($proto[$prognum]);
 253 $proto = 't' if ($opt_t);
 254 $proto = 'u' if ($opt_u);
 255
 256
 257 # Just in case of problems, let's not hang Nagios
 258 $SIG{'ALRM'} = sub {
 259         print ("ERROR: No response from RPC server (alarm)\n");
 260         exit $ERRORS{"UNKNOWN"};
 261 };
 262 alarm($TIMEOUT);
 263
 264 # -c is progver  - if we need to check multiple specified versions.
 265 if (defined $opt_c ) {
 266         my $vers;
 267         @progvers = split(/,/ ,$opt_c );
 268         foreach $vers (sort @progvers) {
 269                 if($vers =~ /^([0-9]+)$/){
 270                         $progver = "$1";
 271                         print "Checking $opt_C version $progver proto $proto\n" if $verbose;
 272                         get_rpcinfo();
 273                 }else{
 274                         print "Version $vers is not an integer\n" if $verbose;
 275                 }
 276
 277         }
 278 }else{
 279         get_rpcinfo();
 280 }
 281
 282
 283 ## translate proto for output
 284 if ($proto eq "u" ){
 285         $proto = "udp";
 286 }else{
 287         $proto = "tcp";
 288 }
 289
 290 if ($state eq 'OK') {
 291         print "$state: RPC program $opt_C".$response." $proto running\n";
 292 }else{
 293         if($response){
 294                 print "$state: RPC program $opt_C".$response2." $proto is not running,".$response." $proto is running\n";
 295         }else{
 296                 print "$state: RPC program $opt_C $response2 $proto is not running\n";
 297         }
 298 }
 299 exit $ERRORS{$state};
 300
 301
 302 ########  Subroutines ==========================
 303
 304 sub get_rpcinfo {
 305         $cmd = "$utils::PATH_TO_RPCINFO $port -" . "$proto $host $prognum $progver 2>&1 |";
 306         print "$cmd\n" if ($verbose);
 307         open CMD, $cmd or die "Can't fork for rpcinfo: $!\n" ;
 308
 309         while ( $line = <CMD> ) {
 310                 printf "$line " if $verbose;
 311                 chomp $line;
 312
 313         if ( $line =~ /program $prognum version ([0-9]*) ready and waiting/ ) {
 314                         $response .= " version $1";
 315                         $state = 'OK' unless $state ne 'UNKNOWN';
 316                         print "1:$response \n" if $verbose;
 317         }
 318
 319                 if ( $line =~ /program $prognum version ([0-9]*) is not available/ ) {
 320                         $response2 .= " version $1";
 321                         $state = 'CRITICAL';
 322                         print "2:$response2 \n" if $verbose;
 323                 }
 324                 if ( $line =~ /program $prognum is not available/ ) {
 325                         $response3 = "";
 326                         $response3 = "tcp" if $opt_t;
 327                         $response3 = "udp" if $opt_u;
 328                         $state = 'CRITICAL';
 329                         print "3:$response3 \n" if $verbose;
 330                 }
 331         }
 332         close CMD;
 333 }
 334
 335
 336 sub print_help() {
 337         print_revision($PROGNAME,'@NP_VERSION@');
 338         print "Copyright (c) 2002 Karl DeBisschop/Truongchinh Nguyen/Subhendu Ghosh\n";
 339         print "\n";
 340         print "Check if a rpc service is registered and running using\n";
 341         print "      rpcinfo -H host -C rpc_command \n";
 342         print "\n";
 343         print_usage();
 344         print "\n";
 345         print "  <host>          The server providing the rpc service\n";
 346         print "  <rpc_command>   The program name (or number).\n";
 347         print "  <program_version> The version you want to check for (one or more)\n";
 348         print "                    Should prevent checks of unknown versions being syslogged\n";
 349         print "                    e.g. 2,3,6 to check v2, v3, and v6\n";
 350         print "  [-u | -t]       Test UDP or TCP\n";
 351         print "  [-v]            Verbose \n";
 352         print "  [-v -v]         Verbose - will print supported programs and numbers \n";
 353         print "\n";
 354         support();
 355 }
 356
 357 sub print_usage () {
 358         print "Usage: \n";
 359         print " $PROGNAME -H host -C rpc_command [-p port] [-c program_version] [-u|-t] [-v]\n";
 360         print " $PROGNAME [-h | --help]\n";
 361         print " $PROGNAME [-V | --version]\n";
 362 }
 363
 364 sub in ($$) {
 365         $array_ref = shift;
 366         $test = shift;
 367
 368         while ( $element = shift @{$array_ref} ) {
 369                 if ($test eq $element) {
 370             return 1;
 371                 }
 372         }
 373         return 0;
 374 }
 375