added feature -u (list of unused ifIndex)

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@487 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 45 insertions, 28 deletions

diff --git a/plugins-scripts/check_ifstatus.pl b/plugins-scripts/check_ifstatus.pl
index cb8b5d00..cc9cccfa 100755
--- a/plugins-scripts/check_ifstatus.pl
+++ b/plugins-scripts/check_ifstatus.pl
@@ -5,6 +5,8 @@
 #
 # Copyright (C) 2000 Christoph Kron
 # Modified 5/2002 to conform to updated Nagios Plugin Guidelines (S. Ghosh)
+#  Added -x option (4/2003)
+#  Added -u option (4/2003)
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -70,14 +72,17 @@ my %ifStatus;
 my $ifup =0 ;
 my $ifdown =0;
 my $ifdormant = 0;
-my $ifexclude =0 ;
+my $ifexclude = 0 ;
+my $ifunused = 0;
 my $ifmessage = "";
 my $snmp_version = 1;
 my $ifXTable;
 my $opt_h ;
 my $opt_V ;
+my $opt_u;
 my $opt_x ;
 my %excluded ;
+my @unused_ports ;
 
 
 
@@ -101,7 +106,8 @@ $status = GetOptions(
                 "p=i" =>\$port, "port=i" => \$port,
                 "H=s" => \$hostname, "hostname=s" => \$hostname,
                 "I"       => \$ifXTable, "ifmib" => \$ifXTable,
-                "x:s"           =>      \$opt_x,   "exclude:s" => \$opt_x);
+                "x:s"           =>      \$opt_x,   "exclude:s" => \$opt_x,
+                "u=s" => \$opt_u,  "unused_ports=s" => \$opt_u);
                 
 if ($status == 0)
 {
@@ -122,11 +128,10 @@ if ($opt_h) {
 
 
 if (defined $opt_x) {
-        my @x = split(",", $opt_x);
-        my $x;
+        my @x = split(/,/, $opt_x);
         if ( @x) {
-                foreach $x (@x){
-                        $excluded{$x} = 1;
+                foreach $key (@x){
+                        $excluded{$key} = 1;
                 }
         }else{
                 $excluded{23} = 1; # default PPP(23) if empty list - note (AIX seems to think PPP is 22 according to a post)
@@ -136,6 +141,13 @@ if (defined $opt_x) {
         #       { print "key = $x  val = $excluded{$x}\n";}
 }
 
+if ($opt_u) {
+        @unused_ports = split(/,/,$opt_u);
+        foreach $key (@unused_ports) { 
+                $ifStatus{$key}{'notInUse'}++ ;
+        }
+}
+
 if (! utils::is_hostname($hostname)){
         usage();
         exit $ERRORS{"UNKNOWN"};
@@ -210,53 +222,58 @@ $session->close;
 
 foreach $key (keys %ifStatus) {
 
-        # check only if interface is administratively up
+        # skip unused interfaces
+        if (!defined($ifStatus{$key}{'notInUse'})) {
+                # check only if interface is administratively up
     if ($ifStatus{$key}{$snmpIfAdminStatus} == 1 ) {
     
-                # check only if interface type is not listed in %excluded
-                
-                if (!defined $excluded{$ifStatus{$key}{$snmpIfType}} ) {
-                        if ($ifStatus{$key}{$snmpIfOperStatus} == 1 ) { $ifup++ ;}
-                if ($ifStatus{$key}{$snmpIfOperStatus} == 2 ) {
-                $ifdown++ ;
-                                                        if (defined $ifXTable) {
-                                                                $ifmessage .= sprintf("%s: down -> %s<BR>",
+                        # check only if interface type is not listed in %excluded
+                        if (!defined $excluded{$ifStatus{$key}{$snmpIfType}} ) {
+                                if ($ifStatus{$key}{$snmpIfOperStatus} == 1 ) { $ifup++ ;}
+                if ($ifStatus{$key}{$snmpIfOperStatus} == 2 ) {
+                        $ifdown++ ;
+                                                                if (defined $ifXTable) {
+                                                                        $ifmessage .= sprintf("%s: down -> %s<BR>",
                                 $ifStatus{$key}{$snmpIfName},
                                                                                                                                 $ifStatus{$key}{$snmpIfAlias});
-                                                        }else{
-                                                                $ifmessage .= sprintf("%s: down <BR>",
+                                                                }else{
+                                                                        $ifmessage .= sprintf("%s: down <BR>",
                                                                                                                                 $ifStatus{$key}{$snmpIfDescr});
-                                                        }
+                                                                }
+                                }
+        if ($ifStatus{$key}{$snmpIfOperStatus} == 5 ) { $ifdormant++ ;}
+                        }else{
+                                $ifexclude++;
                         }
-                if ($ifStatus{$key}{$snmpIfOperStatus} == 5 ) { $ifdormant++ ;}
-                }else{
-                        $ifexclude++;
-                }
                 
+                }
+        }else{
+                $ifunused++;
         }
-   
 }
 
    if ($ifdown > 0) {
       $state = 'CRITICAL';
-      $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d, excluded: %d<BR>",
+      $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d, excluded: %d, unused: %d<BR>",
                         $hostname,
                         $ifup,
                         $ifdown,
                         $ifdormant,
-                        $ifexclude);
+                        $ifexclude,
+                        $ifunused);
       $answer = $answer . $ifmessage . "\n";
    }
    else {
       $state = 'OK';
-      $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d, excluded: %d",
+      $answer = sprintf("host '%s', interfaces up: %d, down: %d, dormant: %d, excluded: %d, unused: %d",
                         $hostname,
                         $ifup,
                         $ifdown,
                         $ifdormant,
-                        $ifexclude);
+                        $ifexclude,
+                        $ifunused);
    }
-my $perfdata = sprintf("up:%d,down:%d,dormant:%d,excluded:%d",$ifup,$ifdown,$ifdormant,$ifexclude);
+my $perfdata = sprintf("up:%d,down:%d,dormant:%d,excluded:%d,unused:%d",$ifup,$ifdown,$ifdormant,$ifexclude,$ifunused);
 print ("$state: $answer |$perfdata\n");
 exit $ERRORS{$state};