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pkg-monitoring-plugins/contrib/check_ms_spooler.pl

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#!/usr/bin/perl -w
# $Id: check_ms_spooler.pl 64 2002-07-16 00:04:42Z stanleyhopcroft $
# Revision 1.1 2002/07/16 00:04:42 stanleyhopcroft
# Primitive and in need of refinement test of MS spooler (with smbclient)
#
# Revision 2.5 2002-02-13 07:36:08+11 anwsmh
# Correct 'apostrophe' disaster.
# Apostrophes in plugin output cause Netsaint notification commands
# ( sh echo 'yada $PLUGINOUTPUT$ ..') to fail, usually mysteriously
# eg notify OK works but notify CRITICAL does not.
# Replace '$var' in print "output" with \"$var\".
#
# Revision 2.4 2001-11-21 21:36:05+11 anwsmh
# Minor corrections
# . replace 'die' by print .. exit $ERRORS{CRITICAL}
# . change concluding message to list the queues (sorted) if there are no enqueued docs.
#
# Revision 2.3 2001-11-20 11:00:58+11 anwsmh
# Major corrections.
# 1. to sub AUTOLOAD: coderef parms must be @_ (ie the parm when the new sub is called)
# 2. to processing of queue report (no inspection of $last_line; entire $queue_report is
# checked for errors)
# 3. cosmetic and debug changes in many places.
#
# Revision 2.2 2001-11-17 23:30:34+11 anwsmh
# After adapting two different queue reports resulting from
# different name resolution methods.
#
# Revision 2.1 2001-11-17 13:21:54+11 anwsmh
# Adapt to Netsaint ('use utils, Getopt::Long, and standard switch processing).
# Fix many peculiarities.
#
use strict ;
use Getopt::Long ;
use utils ;
use vars qw($opt_H $opt_s $opt_W $opt_u $opt_p $opt_w $opt_c $debug);
use vars '$AUTOLOAD' ;
use utils qw($TIMEOUT %ERRORS &print_revision &support &usage);
my $PROGNAME = 'check_ms_spooler' ;
sub print_help ();
sub print_usage ();
sub help ();
sub version ();
delete @ENV{'PATH', 'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
use constant SMBCLIENT_PATH => '/usr/local/samba/bin/smbclient' ;
use constant MAX_QUEUES_TO_CHECK => 20 ; # So that the check doesn't take longer than $TIMEOUT
use constant SMBCLIENT_SVC => sub { return `${\SMBCLIENT_PATH} -L //$_[0] -U $_[1]%$_[2]` } ;
use constant SMBCLIENT_QUEUE => sub { return `${\SMBCLIENT_PATH} //$_[0]/$_[1] -U $_[2]%$_[3] -c 'queue; quit' 2>/dev/null` } ;
# The queue results depend on the name resolution method.
# Forcing 'wins' or 'bcat' name resolution makes the queue results the
# same for all spoolers (those that are resolved with WINS have an extra line
# 'Got a positive name query response from <ip address of WINS> ..)
# but would fail if there is no WINS and when miscreant spoolers
# don't respond to broadcasts.
use constant MIN => sub { my $min = $_[0] ; foreach (@_) { $min = $_ if $_ <= $min; } return $min ; } ;
$SIG{"ALRM"} = sub { die "Alarm clock restart" } ;
Getopt::Long::Configure('bundling', 'no_ignore_case');
GetOptions
("V|version" => \&version,
"h|help" => \&help,
"d|debug" => \$debug,
"p|password=s" => \$opt_p,
"u|username=s" => \$opt_u,
"H|hostname=s" => \$opt_H);
($opt_H) || usage("MS Spooler name not specified\n");
my $spooler = $1 if $opt_H =~ m#(\w+)# ; # MS host names allow __any__ characters (more than \w)
($spooler) || usage("Invalid MS spooler name: $opt_H\n");
($opt_u) || ($opt_u = 'guest');
my $user = $1 if $opt_u =~ m#(\w+)# ;
($user) || usage("Invalid user: $opt_u\n");
($opt_p) || ($opt_p = 'guest');
my $pass = $1 if ($opt_p =~ /(.*)/);
($pass) || usage("Invalid password: $opt_p\n");
my ($printer, $queue, @queues, $ms_spooler_status, @results, %junk) ;
my (@fault_messages, @queue_contents, @services, @prandom_queue_indices) ;
my ($queue_contents, $number_of_queues, $state, $queue_report) ;
$state = "getting service list (${\SMBCLIENT_PATH} -L $spooler -U $user%$pass) from spooler\n" ;
eval {
alarm($TIMEOUT) ;
@services = SMBCLIENT_SVC->( $spooler, $user, $pass ) ;
} ;
alarm(0) ;
if ($@ and $@ !~ /Alarm clock restart/) {
print "Failed. $PROGNAME failed $state. Got \"$@\"\n" ;
exit $ERRORS{"CRITICAL"} ;
}
if ($@ and $@ =~ /Alarm clock restart/) {
print "Failed. $PROGNAME timed out $state. Got \"@services\"\n" ;
exit $ERRORS{"CRITICAL"} ;
}
# tsitc> /usr/local/samba/bin/smbclient //ipaprint1/tt03 -U blah%blah -P -c 'queue; quit'
# Added interface ip=10.0.100.252 bcast=10.255.255.255 nmask=255.0.0.0
# Connection to ipaprint1 failed
# tsitc> /usr/local/samba/bin/smbclient -L sna_spl1 -U blah%blah | & more
# Added interface ip=10.0.100.252 bcast=10.255.255.255 nmask=255.0.0.0
# Got a positive name query response from 10.0.100.29 ( 10.0.6.20 )
# session setup failed: ERRDOS - ERRnoaccess (Access denied.)
if ( grep /Connection to $spooler failed|ERR/, @services ) {
print "Failed. $PROGNAME failed $state. Got \"@services\"\n" ;
# print "Failed. Request for services list to $spooler failed. Got \"@services\"\n" ;
exit $ERRORS{"CRITICAL"} ;
}
# tsitc# /usr/local/samba/bin/smbclient -L ipaprint -U blah%blah
# Added interface ip=10.0.100.252 bcast=10.255.255.255 nmask=255.0.0.0
# Domain=[IPAUSTRALIA] OS=[Windows NT 4.0] Server=[NT LAN Manager 4.0]
#
# Sharename Type Comment
# --------- ---- -------
# TH02 Printer TH02
# ADMIN$ Disk Remote Admin
# IPC$ IPC Remote IPC
# S431 Printer S431
# S402 Printer S402
# S401 Printer S401
# C$ Disk Default share
# BW01 Printer BW01
# BW02 Printer BW02
# TL11 Printer TL11
# TL07 Printer TL07
# S225 Printer Discovery South - 2nd Floor - HP CLJ4500
# S224 Printer S224
# S223 Printer Discovery South 2nd Floor Trademarks Training
# S222 Printer S222
# S203 Printer S203
# S202 Printer S202
my @printers = map { my @junk = split; $junk[0] }
grep { my @junk = split; defined $junk[1] and $junk[1] eq 'Printer' } @services ;
# don't check IPC$, ADMIN$ etc.
$ms_spooler_status = 0 ;
$number_of_queues = MIN->(MAX_QUEUES_TO_CHECK, (scalar(@services) >> 3) + 1) ;
$state = "checking queues on $spooler" ;
eval {
# foreach queues to check
# generate a pseudo-random int in 0 .. $#printers
# drop it if the index has already been generated ;
%junk = () ;
@prandom_queue_indices = grep { ! $junk{$_}++ }
map { int( rand($#printers) ) } ( 1 .. $number_of_queues ) ;
@queues = @printers[@prandom_queue_indices] ;
# @queues = @printers[ map { int( rand($#printers) ) } ( 1 .. $number_of_queues ) ] ;
alarm($TIMEOUT) ;
@queue_contents = @fault_messages = () ;
foreach $printer (sort @queues) {
# Expect 3 lines from a queue report.
# If queue is empty, last line is null otherwise
# it will contain a queue report or an SMB error
# Empty Queue.
# Added interface ip=10.0.100.252 bcast=10.255.255.255 nmask=255.0.0.0
# Domain=[IPAUSTRALIA] OS=[Windows NT 4.0] Server=[NT LAN Manager 4.0]
# Queue command from a spooler with a DNS name.
# Added interface ip=10.0.100.252 bcast=10.255.255.255 nmask=255.0.0.0
# Domain=[IPAUSTRALIA] OS=[Windows NT 4.0] Server=[NT LAN Manager 4.0]
# 65 16307 Microsoft Word - Servicesweoffer2.doc
# 68 10410 Microsoft Word - Servicesweoffer.doc
# 143 24997 Microsoft Word - Miss Samantha Anne Craig.doc
# 182 15635 Microsoft Word - services we provide.doc
# Error.
# Added interface ip=10.0.100.252 bcast=10.255.255.255 nmask=255.0.0.0
# Domain=[IPAUSTRALIA] OS=[Windows NT 4.0] Server=[NT LAN Manager 4.0]
# tree connect failed: ERRDOS - ERRnosuchshare (You specified an invalid share name)
# Can't connect error.
# Added interface ip=10.0.100.252 bcast=10.255.255.255 nmask=255.0.0.0
# Connection to sna_spl2 failed
# Empty Queue from a spooler with no DNS name, NetBIOS name resolved by WINS.
# Added interface ip=10.0.100.252 bcast=10.255.255.255 nmask=255.0.0.0
# Got a positive name query response from 10.0.100.29 ( 10.0.6.20 )
# Domain=[SNA_PRINT] OS=[Windows NT 4.0] Server=[NT LAN Manager 4.0]
# There are 3 lines of output from smbclient for those spoolers whose names are
# resolved by WINS (because those names are NetBIOS and therefore not in DNS);
# 4 lines for errors or enqueued jobs
print STDERR "${\SMBCLIENT_PATH} //$spooler/$printer -U $user%$pass -c 'queue; quit' ==>\n" if $debug ;
@results = SMBCLIENT_QUEUE->( $spooler, $printer, $user, $pass ) ;
print STDERR "\"@results\"\n" if $debug ;
# set $ms_spooler_status somehow
chomp( @results ) ;
$queue_report = queue_report->(@results) ;
print STDERR '$queue_report for $printer ', "$printer: \"$queue_report\"\n\n" if $debug ;
if ( defined $queue_report and ($queue_report !~ /ERR/ && $queue_report !~ /failed/) ) {
$ms_spooler_status = 1 ;
push @queue_contents, "$printer: $queue_report" if $queue_report ;
} else {
push @fault_messages, "$printer: $queue_report" ;
}
}
alarm(0) ;
} ;
if ($@ and $@ !~ /Alarm clock restart/) {
print "Failed. $PROGNAME failed at $state. Got \"$@\"\n" ;
exit $ERRORS{"CRITCAL"} ;
}
if ($@ and $@ =~ /Alarm clock restart/) {
my $i ;
foreach (@queues) { $i++ ; last if $_ eq $printer }
print "Failed. Timed out connecting to $printer ($i of $number_of_queues) on //$spooler after $TIMEOUT secs. Got \"@fault_messages\"\n" ;
exit $ERRORS{"CRITICAL"} ;
}
if (! $ms_spooler_status) {
print "Failed. Couldn't connect to @queues on //$spooler as user $user. Got \"@fault_messages\"\n" ;
exit $ERRORS{"CRITICAL"} ;
}
$queue_contents = ( @queue_contents != 0 ? join(" ", (@queue_contents == 1 ? "Queue" : "Queues"), @queue_contents) :
"All Queues empty" ) ;
print "Ok. Connected to ", $queue_contents =~ /empty$/ ? "@{[sort @queues]}" : scalar @queues, " queues on //$spooler. $queue_contents\n" ;
exit $ERRORS{"OK"} ;
sub print_usage () {
print "Usage: $PROGNAME -H <spooler> -u <user> -p <password>\n";
}
sub print_help () {
print_revision($PROGNAME,'$Revision: 64 $ ');
print "Copyright (c) 2001 Karl DeBisschop/S Hopcroft
Perl Check MS Spooler plugin for NetSaint. Display a subset of the queues on an SMB (Samba or MS) print spooler.
";
print_usage();
print '
-H, --hostname=STRING
NetBIOS name of the SMB Print spooler (Either Samba or MS spooler)
-u, --user=STRING
Username to log in to server. (Default: "guest")
-p, --password=STRING
Password to log in to server. (Default: "guest")
-d, --debug
Debugging output.
-h, --help
This stuff.
';
support();
}
sub version () {
print_revision($PROGNAME,'$Revision: 64 $ ');
exit $ERRORS{'OK'};
}
sub help () {
print_help();
exit $ERRORS{'OK'};
}
sub AUTOLOAD {
my @queue_rep = @_ ;
# 'Object Oriented Perl', D Conway, p 95
no strict 'refs' ;
if ( $AUTOLOAD =~ /.*::queue_report/ ) {
if ( grep /Got a positive name query response from/, @queue_rep ){
*{$AUTOLOAD} = sub { return join ' ', splice(@_, 3) } ;
return join '', splice(@queue_rep, 3) ;
} else {
*{$AUTOLOAD} = sub { return join ' ',splice(@_, 2) } ;
return join '', splice(@queue_rep, 2) ;
}
} else {
die "No such subroutine: $AUTOLOAD" ;
}
}
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