Imported Upstream version 1.4.5
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280
plugins-scripts/check_disk_smb.pl
Executable file
280
plugins-scripts/check_disk_smb.pl
Executable file
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#!/usr/bin/perl -w
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#
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#
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# check_disk.pl <host> <share> <user> <pass> [warn] [critical] [port]
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#
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# Nagios host script to get the disk usage from a SMB share
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#
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# Changes and Modifications
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# =========================
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# 7-Aug-1999 - Michael Anthon
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# Created from check_disk.pl script provided with netsaint_statd (basically
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# cause I was too lazy (or is that smart?) to write it from scratch)
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# 8-Aug-1999 - Michael Anthon
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# Modified [warn] and [critical] parameters to accept format of nnn[M|G] to
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# allow setting of limits in MBytes or GBytes. Percentage settings for large
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# drives is a pain in the butt
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# 2-May-2002 - SGhosh fix for embedded perl
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#
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# $Id: check_disk_smb.pl,v 1.13 2005/10/13 10:14:33 seanius Exp $
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#
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require 5.004;
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use POSIX;
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use strict;
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use Getopt::Long;
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use vars qw($opt_P $opt_V $opt_h $opt_H $opt_s $opt_W $opt_u $opt_p $opt_w $opt_c $verbose);
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use vars qw($PROGNAME);
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use lib utils.pm ;
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use utils qw($TIMEOUT %ERRORS &print_revision &support &usage);
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sub print_help ();
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sub print_usage ();
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$PROGNAME = "check_disk_smb";
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$ENV{'PATH'}='';
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$ENV{'BASH_ENV'}='';
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$ENV{'ENV'}='';
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Getopt::Long::Configure('bundling');
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GetOptions
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("v" => \$verbose, "verbose" => \$verbose,
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"P=s" => \$opt_P, "port=s" => \$opt_P,
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"V" => \$opt_V, "version" => \$opt_V,
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"h" => \$opt_h, "help" => \$opt_h,
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"w=s" => \$opt_w, "warning=s" => \$opt_w,
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"c=s" => \$opt_c, "critical=s" => \$opt_c,
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"p=s" => \$opt_p, "password=s" => \$opt_p,
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"u=s" => \$opt_u, "username=s" => \$opt_u,
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"s=s" => \$opt_s, "share=s" => \$opt_s,
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"W=s" => \$opt_W, "workgroup=s" => \$opt_W,
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"H=s" => \$opt_H, "hostname=s" => \$opt_H);
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if ($opt_V) {
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print_revision($PROGNAME,'$Revision: 1.13 $'); #'
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exit $ERRORS{'OK'};
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}
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if ($opt_h) {print_help(); exit $ERRORS{'OK'};}
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my $smbclient= "$utils::PATH_TO_SMBCLIENT " ;
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my $smbclientoptions= $opt_P ? "-p $opt_P " : "";
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# Options checking
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($opt_H) || ($opt_H = shift) || usage("Host name not specified\n");
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my $host = $1 if ($opt_H =~ /^([-_.A-Za-z0-9]+\$?)$/);
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($host) || usage("Invalid host: $opt_H\n");
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($opt_s) || ($opt_s = shift) || usage("Share volume not specified\n");
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my $share = $1 if ($opt_s =~ /^([-_.A-Za-z0-9]+\$?)$/);
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($share) || usage("Invalid share: $opt_s\n");
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($opt_u) || ($opt_u = shift) || ($opt_u = "guest");
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my $user = $1 if ($opt_u =~ /^([-_.A-Za-z0-9\\]+)$/);
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($user) || usage("Invalid user: $opt_u\n");
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($opt_p) || ($opt_p = shift) || ($opt_p = "");
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my $pass = $1 if ($opt_p =~ /(.*)/);
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($opt_w) || ($opt_w = shift) || ($opt_w = 85);
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my $warn = $1 if ($opt_w =~ /^([0-9]{1,2}\%?|100\%?|[0-9]+[kMG])$/);
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($warn) || usage("Invalid warning threshold: $opt_w\n");
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($opt_c) || ($opt_c = shift) || ($opt_c = 95);
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my $crit = $1 if ($opt_c =~ /^([0-9]{1,2}\%?|100\%?|[0-9]+[kMG])$/);
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($crit) || usage("Invalid critical threshold: $opt_c\n");
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# split the type from the unit value
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#Check $warn and $crit for type (%/M/G) and set up for tests
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#P = Percent, K = KBytes
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my $warn_type;
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my $crit_type;
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if ($opt_w =~ /^([0-9]+)\%?$/) {
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$warn = "$1";
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$warn_type = "P";
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} elsif ($opt_w =~ /^([0-9]+)k$/) {
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$warn_type = "K";
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$warn = $1;
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} elsif ($opt_w =~ /^([0-9]+)M$/) {
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$warn_type = "K";
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$warn = $1 * 1024;
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} elsif ($opt_w =~ /^([0-9]+)G$/) {
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$warn_type = "K";
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$warn = $1 * 1048576;
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}
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if ($opt_c =~ /^([0-9]+)\%?$/) {
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$crit = "$1";
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$crit_type = "P";
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} elsif ($opt_c =~ /^([0-9]+)k$/) {
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$crit_type = "K";
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$crit = $1;
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} elsif ($opt_c =~ /^([0-9]+)M$/) {
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$crit_type = "K";
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$crit = $1 * 1024;
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} elsif ($opt_c =~ /^([0-9]+)G$/) {
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$crit_type = "K";
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$crit = $1 * 1048576;
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}
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# check if both warning and critical are percentage or size
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unless( ( $warn_type eq "P" && $crit_type eq "P" ) || ( $warn_type ne "P" && $crit_type ne "P" ) ){
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$opt_w =~ s/\%/\%\%/g;
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$opt_c =~ s/\%/\%\%/g;
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usage("Both warning and critical should be same type- warning: $opt_w critical: $opt_c \n");
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}
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# verify warning is less than critical
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if ( $warn_type eq "K") {
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unless ( $warn > $crit) {
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usage("Disk size: warning ($opt_w) should be greater than critical ($opt_c) \n");
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}
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}else{
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unless ( $warn < $crit) {
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$opt_w =~ s/\%/\%\%/g;
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$opt_c =~ s/\%/\%\%/g;
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usage("Percentage: warning ($opt_w) should be less than critical ($opt_c) \n");
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}
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}
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my $workgroup = $1 if (defined($opt_W) && $opt_W =~ /(.*)/);
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# end of options checking
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my $state = "OK";
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my $answer = undef;
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my $res = undef;
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my @lines = undef;
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# Just in case of problems, let's not hang Nagios
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$SIG{'ALRM'} = sub {
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print "No Answer from Client\n";
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exit $ERRORS{"UNKNOWN"};
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};
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alarm($TIMEOUT);
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# Execute an "ls" on the share using smbclient program
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# get the results into $res
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if (defined($workgroup)) {
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$res = qx/$smbclient \/\/$host\/$share -W $workgroup -U $user%$pass $smbclientoptions -c ls/;
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} else {
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print "$smbclient " . "\/\/$host\/$share" ." $pass -U $user $smbclientoptions -c ls\n" if ($verbose);
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$res = qx/$smbclient \/\/$host\/$share -U $user%$pass $smbclientoptions -c ls/;
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}
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#Turn off alarm
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alarm(0);
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#Split $res into an array of lines
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@lines = split /\n/, $res;
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#Get the last line into $_
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$_ = $lines[$#lines];
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#print "$_\n";
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#Process the last line to get free space.
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#If line does not match required regexp, return an UNKNOWN error
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if (/\s*(\d*) blocks of size (\d*)\. (\d*) blocks available/) {
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my ($avail) = ($3*$2)/1024;
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my ($avail_bytes) = $avail;
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my ($capper) = int(($3/$1)*100);
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my ($mountpt) = "\\\\$host\\$share";
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if (int($avail / 1024) > 0) {
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$avail = int($avail / 1024);
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if (int($avail /1024) > 0) {
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$avail = (int(($avail / 1024)*100))/100;
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$avail = $avail ."G";
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} else {
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$avail = $avail ."M";
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}
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} else {
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$avail = $avail ."K";
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}
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#print ":$warn:$warn_type:\n";
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#print ":$crit:$crit_type:\n";
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#print ":$avail:$avail_bytes:$capper:$mountpt:\n";
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if ((($warn_type eq "P") && (100 - $capper) < $warn) || (($warn_type eq "K") && ($avail_bytes > $warn))) {
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$answer = "Disk ok - $avail ($capper%) free on $mountpt\n";
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} elsif ((($crit_type eq "P") && (100 - $capper) < $crit) || (($crit_type eq "K") && ($avail_bytes > $crit))) {
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$state = "WARNING";
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$answer = "WARNING: Only $avail ($capper%) free on $mountpt\n";
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} else {
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$state = "CRITICAL";
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$answer = "CRITICAL: Only $avail ($capper%) free on $mountpt\n";
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}
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} else {
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$answer = "Result from smbclient not suitable\n";
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$state = "UNKNOWN";
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foreach (@lines) {
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if (/(Access denied|NT_STATUS_LOGON_FAILURE)/) {
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$answer = "Access Denied\n";
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$state = "CRITICAL";
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last;
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}
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if (/(Unknown host \w*|Connection.*failed)/) {
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$answer = "$1\n";
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$state = "CRITICAL";
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last;
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}
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if (/(You specified an invalid share name|NT_STATUS_BAD_NETWORK_NAME)/) {
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$answer = "Invalid share name \\\\$host\\$share\n";
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$state = "CRITICAL";
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last;
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}
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}
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}
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print $answer;
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print "$state\n" if ($verbose);
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exit $ERRORS{$state};
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sub print_usage () {
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print "Usage: $PROGNAME -H <host> -s <share> -u <user> -p <password>
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-w <warn> -c <crit> [-W <workgroup>] [-P <port>]\n";
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}
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sub print_help () {
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print_revision($PROGNAME,'$Revision: 1.13 $');
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print "Copyright (c) 2000 Michael Anthon/Karl DeBisschop
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Perl Check SMB Disk plugin for Nagios
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";
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print_usage();
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print "
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-H, --hostname=HOST
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NetBIOS name of the server
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-s, --share=STRING
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Share name to be tested
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-W, --workgroup=STRING
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Workgroup or Domain used (Defaults to \"WORKGROUP\")
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-u, --user=STRING
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Username to log in to server. (Defaults to \"guest\")
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-p, --password=STRING
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Password to log in to server. (Defaults to an empty password)
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-w, --warning=INTEGER or INTEGER[kMG]
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Percent of used space at which a warning will be generated (Default: 85%)
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-c, --critical=INTEGER or INTEGER[kMG]
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Percent of used space at which a critical will be generated (Defaults: 95%)
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-P, --port=INTEGER
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Port to be used to connect to. Some Windows boxes use 139, others 445 (Defaults to smbclient default)
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If thresholds are followed by either a k, M, or G then check to see if that
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much disk space is available (kilobytes, Megabytes, Gigabytes)
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Warning percentage should be less than critical
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Warning (remaining) disk space should be greater than critical.
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";
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support();
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}
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