diff options
| author | mail_redacted_for_web | 2019-04-17 19:07:19 +0200 | 
|---|---|---|
| committer | mail_redacted_for_web | 2019-04-17 19:07:19 +0200 | 
| commit | 1e2387474a449452b78520b9ad96a8b4b5e99722 (patch) | |
| tree | 836889471eec7d2aac177405068e2a8f1e2b1978 /nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks | |
| download | nagios-plugins-contrib-1e2387474a449452b78520b9ad96a8b4b5e99722.tar.bz2 | |
initial commit of source fetch
Diffstat (limited to 'nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks')
8 files changed, 1475 insertions, 0 deletions
| diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-cert-expire b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-cert-expire new file mode 100644 index 0000000..98a04a2 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-cert-expire @@ -0,0 +1,77 @@ +#!/bin/sh + +# Checks if a given cert on disk will expire soon + +# Copyright 2009 Peter Palfrader +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +set -u +set -e + +# warn if expires within 2 weeks, critical if within a day or already is expired +warn=1209600 +crit=86400 + +usage() { +	echo "Usage: $0 [-w seconds] [-c seconds] <certfile>" >&2 +	exit 3 +} + + +OPTS=`getopt -o w:c: -n "$0" -- "$@"` || usage + +eval set -- "$OPTS" + +while :; do +	case "$1" in +		-w) warn=$2; shift 2 ;; +		-c) crit=$2; shift 2 ;; +		--) shift; break; ;; +		*) usage ;; +	esac +done +if test "$crit" -gt "$warn"; then +	warn=$crit +fi + +if [ "$#" != 1 ]; then +	usage +fi + +cert="$1" + +if ! [ -r "$cert" ] ; then +	echo "Cert file ($cert) does not exist or is not readable" >&2 +	exit 3 +fi + +expires=`openssl x509 -enddate -noout < "$cert"` + +if openssl x509 -checkend "$warn" -noout < "$cert" ; then +	echo "OK: $expires" +	exit 0 +fi +if openssl x509 -checkend "$crit" -noout < "$cert" ; then +	echo "WARN: $expires" +	exit 1 +fi +echo "CRITICAL: $expires" +exit 2 diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-cert-expire-dir b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-cert-expire-dir new file mode 100644 index 0000000..2c8eaa1 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-cert-expire-dir @@ -0,0 +1,90 @@ +#!/bin/bash + +# Checks if any of the *.crt files in a directory on disk will expire soon + +# Copyright 2009,2016 Peter Palfrader +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + +sn="$0" +if [ "${sn%/*}" = "$sn" ]; then +  CERT_CHECK=dsa-check-cert-expire +else +  CERT_CHECK="${sn%/*}/dsa-check-cert-expire" +fi + +if [ "$#" != 1 ] ; then +  echo >&2 "Usage: $0 <directory>" +  exit 1 +fi + +DIR="$1" + +if ! [ -d "$DIR" ]; then +  echo "Not a directory: $DIR" +  exit 1 +fi + +OK="" +WARN="" +CRIT="" +UNKNOWN="" +cOK=0 +cWARN=0 +cCRIT=0 +cUNKNOWN=0 + +t=$(tempfile) +trap "rm -f '$t'" EXIT + +for i in "$DIR"/*.crt; do +  d="${i%.crt}" +  d="${d##*/}" +  echo -n "$d: " >> "$t" +  "$CERT_CHECK" "$i" >> "$t" 2>&1 +  rc=$? +  if [ "$rc" = 0 ]; then +    OK="$OK $d" +    cOK=$(( cOK + 1 )) +  elif [ "$rc" = 1 ]; then +    WARN="$WARN $d" +    cWARN=$(( cWARN + 1 )) +  elif [ "$rc" = 2 ]; then +    CRIT="$CRIT $d" +    cCRIT=$(( cCRIT + 1 )) +  else +    UNKNOWN="$UNKNOWN $d" +    cUNKNOWN=$(( cUNKNOWN + 1 )) +  fi +done + +if [ -n "$CRIT" ]; then rc=2; +elif [ -n "$WARN" ]; then rc=1; +elif [ -n "$UNKNOWN" ]; then rc=3; +else rc=0; +fi + +[ -n "$CRIT" ] && echo "CRITICAL ($cCRIT):$CRIT, " +[ -n "$WARN" ] && echo "WARN ($cWARN):$WARN, " +[ -n "$UNKNOWN" ] && echo "UNKNOWN ($cUNKNOWN):$UNKNOWN, " +[ -n "$OK" ] && echo "OK ($cOK):$OK." +cat "$t" +exit $rc diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-dnssec-delegation b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-dnssec-delegation new file mode 100644 index 0000000..65b48b0 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-dnssec-delegation @@ -0,0 +1,301 @@ +#!/usr/bin/perl + +# Copyright (c) 2010, 2014, 2015, 2017 Peter Palfrader <peter@palfrader.org> +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +use strict; +use warnings; +use English; +use Net::DNS::Resolver; +use Getopt::Long; +use File::Basename; + +# taken from Array::Utils +# http://cpansearch.perl.org/src/ZMIJ/Array-Utils-0.5/Utils.pm +# This module is Copyright (c) 2007 Sergei A. Fedorov. +# You may distribute under the terms of either the GNU General Public +# License or the Artistic License, as specified in the Perl README file. +# +sub intersect(\@\@) { +	my %e = map { $_ => undef } @{$_[0]}; +	return grep { exists( $e{$_} ) } @{$_[1]}; +} +sub array_diff(\@\@) { +	my %e = map { $_ => undef } @{$_[1]}; +	return @{[ ( grep { (exists $e{$_}) ? ( delete $e{$_} ) : ( 1 ) } @{ $_[0] } ), keys %e ] }; +} +sub array_minus(\@\@) { +	my %e = map{ $_ => undef } @{$_[1]}; +	return grep( ! exists( $e{$_} ), @{$_[0]} ); +} + + +$SIG{'__DIE__'} = sub { print @_; exit 4; }; + +my $RES = Net::DNS::Resolver->new; +my $DLV = 'dlv.isc.org'; +my $params; + +sub get_tag_generic { +	my $zone = shift; +	my $type = shift; +	my %options = @_; + +	my @result; +	my @zsks; +	print "Querying $type $zone\n" if $params->{'verbose'}; +	my $pkt = $RES->send($zone, $type); +	return () unless $pkt; +	return () unless $pkt->answer; +	for my $rr ($pkt->answer) { +		next unless ($rr->type eq $type); +		next unless (lc($rr->name) eq lc($zone)); + +		my $tag = $options{'pretty'} ? sprintf("%5d(%d)", $rr->keytag, $rr->algorithm) : $rr->keytag; + +		if ($type eq 'DNSKEY' && ($rr->{'flags'} & (1<<(15-8)))) { +			# key is revoked +			next; +		} + +		# for now only handle KSKs, i.e. keys with the SEP flag set +		if ($type eq 'DNSKEY' && !($rr->sep)) { +			push @zsks, $tag; +			next; +		} + +		push @result, $tag; +	}; +	if ($type eq 'DNSKEY' && (scalar @result) == 0) { +		# use remaining keys if no keys with the SEP bit are present +		@result = @zsks; +	} +	my %unique = (); +	@result = sort {$a cmp $b} grep {!$unique{$_}++} @result; +	return @result +}; + +sub get_dnskeytags { +	my $zone = shift; +	my %options = @_; +	return get_tag_generic($zone, 'DNSKEY', %options); +}; +sub get_dstags { +	my $zone = shift; +	my %options = @_; +	return get_tag_generic($zone, 'DS', %options); +}; +sub get_dlvtags { +	my $zone = shift; +	my %options = @_; +	$zone .= ".".$DLV; +	return get_tag_generic($zone, 'DLV', %options); +}; +sub has_dnskey_parent { +	my $zone = shift; + +	my $potential_parent; +	if ($zone =~ m/\./) { +		$potential_parent = $zone; +		$potential_parent =~ s/^[^.]+\.//; +	} else { +		$potential_parent = '.'; +	} + +	print "Querying DNSKEY $potential_parent\n" if $params->{'verbose'}; +	my $pkt = $RES->send($potential_parent, 'DNSKEY'); +	return undef unless $pkt; +	return undef unless $pkt->header; + +	unless ($pkt->answer) { +		return undef unless $pkt->authority; +		for my $rr ($pkt->authority) { +			next unless ($rr->type eq 'SOA'); + +			$potential_parent = $rr->name; +			print "Querying DNSKEY $potential_parent\n" if $params->{'verbose'}; +			$pkt = $RES->send($potential_parent, 'DNSKEY'); +			return undef unless $pkt; +			last; +		}; +	}; + +	return (0, $potential_parent) unless $pkt->answer; +	for my $rr ($pkt->answer) { +		next unless ($rr->type eq 'DNSKEY'); +		return (1, $potential_parent); +	}; +} +sub get_parent_dnssec_status { +	my $zone = shift; +	my @result; + +	while (1) { +		my ($status, $parent) = has_dnskey_parent($zone); +		last unless defined $status; +		push @result, ($status ? "yes" : "no") . ("($parent)"); +		$zone = $parent; +		last if $zone eq "" || $zone eq '.'; +	}; + +	return join(', ', @result); +}; + +sub usage { +	my $fd = shift; +	my $exit = shift; + +	print $fd "Usage: $PROGRAM_NAME [--dir <dir>] overview|check-dlv|check-ds|check-header zone [zone...]\n"; +	print $fd "       $PROGRAM_NAME --dir <dir> overview|check-dlv|check-ds|check-header\n"; +	print $fd "       $PROGRAM_NAME --help\n"; +	exit $exit; +} + +sub what_to_check { +	my $zone = shift; +	my $zonefile = shift; + +	my $do_dlv = 0; +	my $do_ds = 0; + +	open(F, "<", $zonefile) or die ("Cannot open zonefile $zonefile for $zone: $!\n"); +	while (<F>) { +		if (/^[#;]\s*dlv-submit\s*=\s*yes\s*$/) { $do_dlv = 1; } +		if (/^[#;]\s*ds-in-parent\s*=\s*yes\s*$/) { $do_ds = 1; } +	} +	close(F); + +	return { 'dlv' => $do_dlv, +	         'ds' => $do_ds }; +} +sub diff_spec { +	my $a = shift; +	my $b = shift; + +	my @elems = intersect(@$a, @$b); +	push @elems, map { '-'.$_ } array_minus(@$a, @$b); +	push @elems, map { '+'.$_ } array_minus(@$b, @$a); +	return join(',', @elems); +} + +Getopt::Long::config('bundling'); +GetOptions ( +	'--help' => \$params->{'help'}, +	'--dir=s@' => \$params->{'dir'}, +	'--dlv=s' => \$params->{'dlv'}, +	'--verbose' => \$params->{'verbose'}, +) or usage(\*STDERR, 1); +usage(\*STDOUT, 0) if ($params->{'help'}); + +my $mode = shift @ARGV; +usage(\*STDOUT, 0) unless (defined $mode && $mode =~ /^(overview|check-dlv|check-ds|check-header)$/); +die ("check-header needs --dir") if ($mode eq 'check-header' && !defined $params->{'dir'}); + +my %zones; +if (scalar @ARGV) { +	if (defined $params->{'dir'} && $mode ne 'check-header') { +		warn "--dir option ignored" +	} +	%zones = map { $_ => $_} @ARGV; +} else { +	my $dirs = $params->{'dir'}; +	usage(\*STDOUT, 0) unless (defined $dirs); + +	for my $dir (@$dirs) { +		chdir $dir or die "chdir $dir failed? $!\n"; +		opendir DIR, '.' or die ("Cannot opendir $dir\n"); +		for my $file (readdir DIR) { +			next if ( -l "$file" ); +			next unless ( -f "$file" ); +			next if $file =~ /^(dsset|keyset)-/; + +			my $zone = $file; +			if ($file =~ /\.zone$/) { # it's one of our yaml things +				$zone = basename($file, '.zone'); +			}; +			$zones{$zone} = "$dir/$file"; +		} +		closedir(DIR); +	}; +}; + +$DLV = $params->{'dlv'} if $params->{'dlv'}; + + +if ($mode eq 'overview') { +	my %data; +	for my $zone (keys %zones) { +		$data{$zone} = { 'dnskey' => join(', ', get_dnskeytags($zone, pretty=>1)), +				 'ds'     => join(', ', get_dstags($zone, pretty=>1)), +				 'dlv'    => join(', ', get_dlvtags($zone, pretty=>1)), +				 'parent_dnssec' => get_parent_dnssec_status($zone) }; +	} + +	my $format = "%60s %-20s %-15s %-3s %-10s\n"; +	printf $format, "zone", "DNSKEY", "DS\@parent", "DLV", "dnssec\@parent"; +	printf $format, "-"x 60,  "-"x 20,  "-"x 15,  "-"x 3, "-"x 10; +	for my $zone (sort {$a cmp $b} keys %data) { +		printf $format, $zone, +			$data{$zone}->{'dnskey'}, +			$data{$zone}->{'ds'}, +			$data{$zone}->{'dlv'}, +			$data{$zone}->{'parent_dnssec'}; +	} +	exit(0); +} elsif ($mode eq 'check-dlv' || $mode eq 'check-ds' || $mode eq 'check-header') { +	my @to_check; +	push @to_check, 'dlv' if $mode eq 'check-header' ||  $mode eq 'check-dlv'; +	push @to_check, 'ds'  if $mode eq 'check-header' ||  $mode eq 'check-ds'; + +	my @warn; +	my @ok; +	for my $zone (sort {$a cmp $b} keys %zones) { +		my $require = { map { $_ => 1 } @to_check }; +		if ($mode eq 'check-header') { +			$require = what_to_check($zone, $zones{$zone}) +		} + +		my @dnskey = get_dnskeytags($zone); +		for my $thiskey (@to_check) { +			my @target = $thiskey eq 'ds' ? get_dstags($zone) : get_dlvtags($zone); + +			my $spec = diff_spec(\@target, \@dnskey); +			# if the intersection between DS and KEY is empty, +			# or if there are DS records for keys we do not have, that's an issue. +			if (intersect(@dnskey, @target) == 0 || array_minus(@target, @dnskey)) { +				if ($require->{$thiskey} || scalar @target > 0) { +					push @warn, "$zone ($spec)"; +				} +			} else  { +				if ($require->{$thiskey}) { +					push @ok, "$zone ($spec)"; +				} +			}; +		} +	} +	print "WARNING: ", join(", ", @warn), "\n" if (scalar @warn); +	print "OK: ", join(", ", @ok), "\n" if (scalar @ok); +	exit (1) if (scalar @warn); +	exit (0); +} else { +	die ("Invalid mode '$mode'\n"); +}; + diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-entropy b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-entropy new file mode 100644 index 0000000..ddf1d92 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-entropy @@ -0,0 +1,82 @@ +#!/usr/bin/python + +# Copyright 2011 Peter Palfrader +# Copyright 2014 Hendrik Koehler +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +import sys +import os +import time +import optparse + +AVAIL = '/proc/sys/kernel/random/entropy_avail' + +parser = optparse.OptionParser() +parser.add_option("-r", "--retries", dest="retries", metavar="NUM", +  type="int", default=10, +  help="Max number of retries [10].") +parser.add_option("-s", "--sleep", dest="sleep", metavar="MSECS", +  type="int", default=250, +  help="Amount of time to wait between reads [250msec].") +parser.add_option("-w", "--watermark", dest="watermark", metavar="BYTES", +  type="int", default=800, +  help="Minimum number of expected bytes in the entropy pool [800].") +(options, args) = parser.parse_args() + +if len(args) != 0: +    parser.print_help() +    sys.exit(4) + +if not os.path.exists(AVAIL): +    print "File %s does not exist."%(AVAIL) +    sys.exit(4) + +tries = 0 +values = [] +while tries <= options.retries: +    f = open('/proc/sys/kernel/random/entropy_avail') +    avail = f.readline().rstrip() +    if len(avail) == 0: +        print "Could not read anything from %s"%(AVAIL) +        sys.exit(4) +    try: +        avail = int(avail) +    except ValueError: +        print "Did not read a number from %s, got '%s' instead"%(AVAIL, avail) +        sys.exit(4) + +    if avail >= options.watermark: +        if tries > 0: +            print "OK: %d bytes in the pool after %d attempts.|entropy=%d bytes"%(avail, tries, avail) +        else: +            print "OK: %d bytes in the pool.|entropy=%d bytes"%(avail, avail) +        sys.exit(0) + +    values.append(avail) +    time.sleep(1.0 * options.sleep / 1000) +    tries += 1 + +print "WARNING: Too little entropy in the pool (min: %d, max: %d in %d reads)|entropy=%d bytes"%(min(values), max(values), tries-1, avail) +sys.exit(1) + +# vim:set et: +# vim:set ts=4: +# vim:set shiftwidth=4: diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-packages b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-packages new file mode 100644 index 0000000..28844e5 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-packages @@ -0,0 +1,362 @@ +#!/usr/bin/perl + +# dsa-check-packages + +# checks for obsolete/local and upgradeable packages. +# +# packages for the obsolete/local check can be ignored, by +# listing their full name in /etc/nagios/obsolete-packages-ignore +# or by having a regex (starting a line with "/") that matches +# the packagename in said file. +# +# Takes one optional argument, the location of the ignore file. + + +# Copyright (C) 2008, 2009 Peter Palfrader <peter@palfrader.org> +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +use strict; +use warnings; +use English; + +my $IGNORE = "/etc/nagios/obsolete-packages-ignore"; +my $IGNORED = "/etc/nagios/obsolete-packages-ignore.d"; + +my %CODE = ( +	'OK'            => 0, +	'WARNING'       => 1, +	'CRITICAL'      => 2, +	'UNKNOWN'       => 3 +); +my $EXITCODE = 'OK'; +sub record($) { +	my ($newexit) = @_; +	die "code $newexit not defined\n" unless defined $CODE{$newexit}; + +	if ($CODE{$newexit} > $CODE{$EXITCODE}) { +		$EXITCODE = $newexit; +	}; +} + + + +sub get_packages { +	$ENV{'COLUMNS'} = 1000; +	$ENV{'LC_ALL'} = 'C'; +	open(F, "dpkg -l|") or die ("Cannot run dpkg: $!\n"); +	my @lines = <F>; +	close(F); +	chomp(@lines); + +	my $line; +	my $has_arch = 0; +	while (defined($line = shift @lines) && ($line !~ /\+\+\+/)) { +		if ($line =~ /Architecture/) { $has_arch = 1; } +	} + +	my %pkgs; +	for $line (@lines) { +		my ($state, $pkg, $version, $arch, undef) = split(/  */, $line); +		$arch = '' unless $has_arch; +		$pkgs{$state}{$pkg} = { 'installed' => $version, arch => $arch } +	} + +	my $installed = $pkgs{'ii'}; +	delete $pkgs{'ii'}; + +	my @installed_packages = keys(%$installed); +	my @cmd = ("apt-cache", "policy", @installed_packages); + +	open my $olderr, ">&STDERR"   or die "Can't dup STDERR: $!"; +	open     STDERR, ">/dev/null" or die "Can't dup STDOUT: $!"; +	open (F, "-|", @cmd) or die ("Cannot run apt-cache policy: $!\n"); +	@lines = <F>; +	close(F); +	open STDERR, ">&", $olderr  or die "Can't dup OLDERR: $!"; +	chomp(@lines); + +	my $pkgname = undef; +	my $candidate_found = 0; +	while (defined($line = shift @lines)) { +		if ($line =~ /^([^ ]*):$/) { +			# when we have multi-arch capable fu, we require that +			# apt-cache policy output is in the same order as its +			# arguments. +			# +			# We needs thi, because the output block in apt-cache +			# policy does not show the arch: +			# +			# | weasel@stanley:~$ apt-cache policy libedit2:amd64 +			# | libedit2: +			# |   Installed: 2.11-20080614-5 +			# |   Candidate: 2.11-20080614-5 +			# +			# We replace the package name in the output with the +			# one we asked for ($pkg:$arch) - but to match this up +			# sanely we need the order to be correct. +			# +			# For squeeze systems (no m-a), apt-cache policy output +			# is all different. +			$pkgname = $1; +			$candidate_found = 0; +			if ($has_arch) { +				my $from_list = shift @installed_packages; +				next if ($pkgname eq $from_list); # no :$arch in pkgname we asked for + +				my $ma_fix_pkgname = $pkgname.':'.$installed->{$from_list}->{'arch'}; +				my $ma_fix_from_list = $from_list.':'.$installed->{$from_list}->{'arch'}; + +				if ($pkgname eq $ma_fix_from_list || # e.g. ia32-libs-i386.  dpkg -l: ia32-libs-i386, apt-cache policy: ia32-libs-i386:i386 +				    $ma_fix_pkgname eq $from_list) { +					$pkgname = $from_list; +				} else { +					die "Unexpected order mismatch in apt-cache policy output (apt-cache policy name: $pkgname - dpkg -l name: $from_list)\n"; +				} +			} +		} elsif ($line =~ /^ +Installed: (.*)$/) { +			# etch dpkg -l does not print epochs, so use this info, it's better +			$installed->{$pkgname}{'installed'} = $1; +			# initialize security-update +			$installed->{$pkgname}{'security-update'} = 0; +		} elsif ($line =~ /^ +Candidate: (.*)$/) { +			$installed->{$pkgname}{'candidate'} = $1; +		} elsif ($line =~ /     ([^ ]+) [0-9]+/) { +			# check if the next lines show the sources of our candidate +			if ($1 eq $installed->{$pkgname}{'candidate'}) { +				$candidate_found = 1; +			} +		} elsif (($line =~ / +[0-9]+ [^ ]+\/(security\.([^ ]+\.)?debian\.org|debian-security).*\/updates\//) && $candidate_found ) { +			$installed->{$pkgname}{'security-update'} = 1; +		} elsif ($line =~ /^ +\*\*\*/) { +			$line = shift @lines; +			my @l = split(/ +/, $line); +			$installed->{$pkgname}{'origin'} = $l[2]; +			$candidate_found = 0; +		} +	} + +	my (%current, %obsolete, %outofdate, %security_outofdate); +	for my $pkgname (keys %$installed) { +		my $pkg = $installed->{$pkgname}; + +		unless (defined($pkg->{'candidate'}) && defined($pkg->{'origin'})) { +			$obsolete{$pkgname} = $pkg; +			next; +		} + +		if ($pkg->{'candidate'} ne $pkg->{'installed'}) { +			if ($pkg->{'security-update'}) { +				$security_outofdate{$pkgname} = $pkg; +			} else { +				$outofdate{$pkgname} = $pkg; +			} +			next; +		}; +		if ($pkg->{'origin'} eq '/var/lib/dpkg/status') { +			$obsolete{$pkgname} = $pkg; +			next; +		} +		$current{$pkgname} = $pkg; +	} + +	$pkgs{'current'} = \%current; +	$pkgs{'outofdate'} = \%outofdate; +	$pkgs{'security_outofdate'} = \%security_outofdate; +	$pkgs{'obsolete'} = \%obsolete; +	return \%pkgs; +} + +sub load_ignores { +	my ($ignorefiles, $require_file) = @_; + +	my @ignores; + +	for my $ignoreitem (@$ignorefiles) { +		next if (!$require_file and ! -e $ignoreitem); + +		my @filestoopen; +		if (-d $ignoreitem) { +			opendir(DIR, $ignoreitem) or die ("Cannot open dir $ignoreitem: $!\n"); +			@filestoopen = readdir(DIR); +			closedir(DIR); + +			@filestoopen = grep { -f ($ignoreitem.'/'.$_) } @filestoopen; +			@filestoopen = grep { /^([a-z0-9_.-]+)+[a-z0-9]+$/i } @filestoopen; +			@filestoopen = grep { !/dpkg-(old|dist|new|tmp)$/ } @filestoopen; +			@filestoopen = map { ($ignoreitem.'/'.$_) } @filestoopen; +		} else { +			push @filestoopen, $ignoreitem; +		} + +		for my $f (@filestoopen) { +			open (F, "< $f") or die ("Cannot open $f: $!\n"); +			push @ignores, <F>; +			close F; +		} +	} +	chomp(@ignores); +	return \@ignores; +} + +sub check_ignore { +	my ($pkg, $ignores) = @_; + +	my $ignore_this = 0; +	for my $ignore (@$ignores) { +		my $ig = $ignore; +		return 1 if ($ig eq $pkg); +		if (substr($ig,0,1) eq '/') { +			substr($ig, 0, 1, ''); +			$ig =~ s,/$,,; +			return 1 if ($pkg =~ /$ig/); +		} +	} +	return 0 +} + +sub filter_ignored { +	my ($packages, $ignores) = @_; + +	my $obs = $packages->{'obsolete'}; + +	my (%ignored, %bad); +	for my $pkg (keys %$obs) { +		if (check_ignore($pkg, $ignores)) { +			$ignored{$pkg} = $obs->{$pkg}; +		} else { +			$bad{$pkg} = $obs->{$pkg}; +		}; +	} +	delete $packages->{'obsolete'}; +	$packages->{'obsolete'} = \%bad; +	$packages->{'obsolete-ignored'} = \%ignored; +}; + +sub usage { +	my ($fd, $exit) = @_; +	print $fd "Usage: $PROGRAM_NAME [<ignorefile|dir> [<ignorefile|dir> ...]]\n"; +	exit $exit; +} + +my $ignorefiles = [$IGNORE, $IGNORED]; +my $ignorefile_userset = 0; +if (@ARGV >= 1) { +	usage(\*STDOUT, 0) if ($ARGV[0] eq "-h"); +	usage(\*STDOUT, 0) if ($ARGV[0] eq "--help"); +	$ignorefile_userset = 1; +	$ignorefiles = \@ARGV; +}; + +my $ignores = load_ignores($ignorefiles, $ignorefile_userset); +my $packages = get_packages(); + +filter_ignored($packages, $ignores); + + + +my @reportform = ( +	{ 'key' => 'obsolete', +	  'listpackages' => 1, +	  'long' => "%d local or obsolete packages: %s", +	  'short' => "%d obs/loc", +	  'perf' => "obs_loc=%d;1;5;0", +	  'status' => 'WARNING' }, +	{ 'key' => 'outofdate', +	  'listpackages' => 1, +	  'long' => "%d out of date packages: %s", +	  'short' => "%d updates", +	  'perf' => "outdated=%d;1;5;0", +	  'status' => 'WARNING' }, +	{ 'key' => 'current', +	  'listpackages' => 0, +	  'long' => "%d packages current.", +	  'short' => "%d ok", +	  'perf' => "current=%d;;;0", +	  'status' => 'OK' }, +	{ 'key' => 'obsolete-ignored', +	  'listpackages' => 1, +	  'long' => "%d whitelisted local or obsolete packages: %s", +	  'short' => "%d obs/loc(ignored)", +	  'perf' => "obs_ign=%d;;;0", +	  'status' => 'OK' }, +	{ 'key' => 'rc', +	  'listpackages' => 1, +	  'long' => "%d packages removed but not purged: %s", +	  'short' => "%d rc", +	  'perf' => "rm_unprg=%d;;;0", +	  'status' => 'OK' }, +	{ 'key' => 'hi', +	  'listpackages' => 1, +	  'long' => "%d packages on hold: %s", +	  'short' => "%d hi", +	  'perf' => "hold=%d;;;0", +	  'status' => 'OK' }, +	{ 'key' => 'pc', +	  'listpackages' => 1, +	  'long' => "%d packages requested to be purged but conffiles still installed: %s", +	  'short' => "%d pc", +	  'perf' => "prg_conf=%d;1;;0", +	  'status' => 'WARNING' }, +	{ 'key' => 'security_outofdate', +	  'listpackages' => 1, +	  'long' => "%d packages with outstanding security updates: %s", +	  'short' => "%d security-updates", +	  'perf' => "security_outdated=%d;;1;0", +	  'status' => 'CRITICAL' }, +	); + +my @longout; +my @perfout; +my @shortout; +for my $form (@reportform) { +	my $pkgs = $packages->{$form->{'key'}}; +	delete $packages->{$form->{'key'}}; +	my $num = scalar keys %$pkgs; +	push @perfout, sprintf($form->{'perf'}, $num); +	next unless ($num > 0); +	if ($form->{'listpackages'}) { +		my $list = join(", ", keys %$pkgs); +		push @longout, sprintf($form->{'long'}, $num, $list); +	} else { +		push @longout, sprintf($form->{'long'}, $num); +	}; +	push @shortout, sprintf($form->{'short'}, $num); +	record($form->{'status'}); +}; +if (scalar keys %$packages) { +	record('WARNING'); +	unshift @shortout, "unk: ".join(", ", keys %$packages); +	for my $status (sort {$b cmp $a} keys %$packages) { +		my $pkgs = $packages->{$status}; +		my $list = join(", ", keys %$pkgs); +		unshift @longout, "Unknown package status $status: $list"; +	}; +} + +my $shortout = $EXITCODE.": ".join(", ", @shortout); +my $longout = join("\n", @longout); +my $perfout = "|".join(" ", @perfout); + +print $shortout,"\n"; +print $longout,"\n"; +print $perfout,"\n"; + +exit $CODE{$EXITCODE}; diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-running-kernel b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-running-kernel new file mode 100644 index 0000000..467c219 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-running-kernel @@ -0,0 +1,255 @@ +#!/bin/bash + +# Check if the running kernel has the same version string as the on-disk +# kernel image. + +# Copyright 2008,2009,2011,2012,2013,2014 Peter Palfrader +# Copyright 2009 Stephen Gran +# Copyright 2010,2012,2013 Uli Martens +# Copyright 2011 Alexander Reichle-Schmehl +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +OK=0; +WARNING=1; +CRITICAL=2; +UNKNOWN=3; + +get_offset() { +	local file needle + +	file="$1" +	needle="$2" + +	perl -e ' +		undef $/; +		$i = 0; $k=<>; +		while (($i = index($k, "'"$needle"'", $i)) >= 0) { +			print $i++,"\n"; +		}; ' < "$file" +} + +get_avail() { +	# This is wrong, but leaves room for when we have to care for machines running +	# myfirstunix-image-0.1-dsa-arm +	local prefix="$1"; shift + +	local kervers=$(uname -r) + +	local metavers='' + +	# DSA uses kernel versions of the form 2.6.29.3-dsa-dl380-oldxeon, where +	# Debian uses versions of the form 2.6.29-2-amd64 +	if [ "${kervers#2}" != "$kervers" ]; then +		if [ "${kervers//dsa}" != "$kervers" ]; then +			metavers=$(echo $kervers | sed -r -e 's/^2\.(4|6)\.[0-9]+([\.0-9]+?)-(.*)/2.\1-\3/') +		else +			metavers=$(echo $kervers | sed -r -e 's/^2\.(4|6)\.[0-9]+-[A-Za-z0-9\.]+-(.*)/2.\1-\2/') +		fi +	else +		metavers=$(echo $kervers | sed -r -e 's/^[0-9]+\.[0-9]+(\.[0-9])?+-[A-Za-z0-9\.]+-(.*)/\2/') +	fi + +	# Attempt to track back to a metapackage failed.  bail +	if [ "$metavers" = "$kervers" ]; then +		return 2 +	fi + +	# We're just going to give up if we can't find a matching metapackage +	# I tried being strict once, and it just caused a lot of headaches.  We'll see how +	# being lax does for us + +	local output=$(apt-cache policy ${prefix}-image-${metavers} 2>/dev/null) +	local metaavailvers=$(echo "$output" | grep '^  Candidate:' | awk '{print $2}') +	local metainstavers=$(echo "$output" | grep '^  Installed:' | awk '{print $2}') + +	if [ -z "$metaavailvers" ] || [ "$metaavailvers" = '(none)' ]; then +		return 2 +	fi +	if [ -z "$metainstavers" ] || [ "$metainstavers" = '(none)' ]; then +		return 2 +	fi + +	if [ "$metaavailvers" != "$metainstavers" ] ; then +		echo "${prefix}-image-${metavers} $metaavailvers available but $metainstavers installed" +		return 1 +	fi + +	local imagename=0 +	# --no-all-versions show shows only the candidate +	for vers in $(apt-cache --no-all-versions show ${prefix}-image-${metavers} | sed -n 's/^Depends: //p' | tr ',' '\n' | tr -d ' ' | grep ${prefix}-image | awk '{print $1}' | sort -u); do +		if dpkg --compare-versions "1.$vers" gt "1.$imagename"; then +			imagename=$vers +		fi +	done + +	if [ -z "$imagename" ] || [ "$imagename" = 0 ]; then +		return 2 +	fi + +	if [ "$imagename" != "${prefix}-image-${kervers}" ]; then +		if dpkg --compare-versions 1."$imagename" lt 1."${prefix}-image-${kervers}"; then +			return 2 +		fi +		echo "$imagename" != "${prefix}-image-${kervers}" +		return 1 +	fi + +	local availvrs=$(apt-cache policy ${imagename} 2>/dev/null | grep '^  Candidate' | awk '{print $2}') +	local kernelversion +	for kernelversion in $(apt-cache policy ${prefix}-image-${kervers} ${prefix}-image-${kervers}-unsigned 2>/dev/null | grep '^  Installed:' | awk '{print $2}' | grep -F -v '(none)' ); do +		if [ "$availvrs" = "$kernelversion" ]; then +			return 0 +		fi +	done + +	echo "$kernelversion != $availvrs" +	return 1 +} + +cat_vmlinux() { +	local image header filter hdroff + +	image="$1" +	header="$2" +	filter="$3" +	hdroff="$4" + +	get_offset "$image" $header | head -n 5 | while read off; do +		(if [ "$off" != 0 ]; then +		   dd ibs="$((off+hdroff))" skip=1 count=0 +		 fi && +		 dd bs=512k) < "$image"  2>/dev/null | $filter 2>/dev/null +	done +} + +get_image_linux() { +	local image + +	image="$1" + +	# gzip compressed image +	cat_vmlinux "$image" "\x1f\x8b\x08\x00"      "zcat"   0 +	cat_vmlinux "$image" "\x1f\x8b\x08\x08"      "zcat"   0 +	# lzma compressed image +	cat_vmlinux "$image" "\x00\x00\x00\x02\xff"  "xzcat" -1 +	cat_vmlinux "$image" "\x00\x00\x00\x04\xff"  "xzcat" -1 +	# xz compressed image +	cat_vmlinux "$image" "\xfd\x37\x7a\x58\x5a " "xzcat"  0 + +	echo "ERROR: Unable to extract kernel image." 2>&1 +	exit 1 +} + + +freebsd_check_running_version() { +	local imagefile="$1"; shift + +	local r="$(uname -r)" +	local v="$(uname -v| sed -e 's/^#[0-9]*/&:/')" + +	local q='@(#)FreeBSD '"$r $v" + +	if zcat "$imagefile" | $STRINGS | grep -F -q "$q"; then +		echo "OK" +	else +		echo "not OK" +	fi +} + +STRINGS=""; +if [ -x "$(which strings)" ]; then +	STRINGS="$(which strings)" +elif [ -x "$(which busybox)" -a "$( echo foobar | $(which busybox) strings 2>/dev/null)" = "foobar" ]; then +	STRINGS="$(which busybox) strings" +fi + +searched="" +for on_disk in \ +	"/boot/vmlinuz-`uname -r`"\ +	"/boot/vmlinux-`uname -r`"\ +	"/boot/kfreebsd-`uname -r`.gz"; do + +	if [ -e "$on_disk" ]; then +		if [ -z "$STRINGS" ]; then +			echo "UNKNOWN: 'strings' command missing, perhaps install binutils or busybox?" +			exit $UNKNOWN +		fi +		if [ "${on_disk/vmlinu}" != "$on_disk" ]; then +			on_disk_version="`get_image_linux "$on_disk" | $STRINGS | grep 'Linux version' | head -n1`" +			if [ -x /usr/bin/lsb_release ] ; then +				vendor=$(lsb_release -i -s) +				if [ -n "$vendor" ] && [ "xDebian" != "x$vendor" ] ; then +					on_disk_version=$( echo $on_disk_version|sed -e "s/ ($vendor [[:alnum:]\.-]\+ [[:alnum:]\.]\+)//") +				fi +			fi +			[ -z "$on_disk_version" ] || break +			on_disk_version="`cat "$on_disk" | $STRINGS | grep 'Linux version' | head -n1`" +			[ -z "$on_disk_version" ] || break + +			echo "UNKNOWN: Failed to get a version string from image $on_disk" +			exit $UNKNOWN +		else +			on_disk_version="$(zcat $on_disk | $STRINGS | grep Debian | head -n 1 | sed -e 's/Debian [[:alnum:]]\+ (\(.*\))/\1/')" +		fi +	fi +	searched="$searched $on_disk" +done + +if ! [ -e "$on_disk" ]; then +	echo "WARNING: Did not find a kernel image (checked$searched) - I have no idea which kernel I am running" +	exit $WARNING +fi + +if [ "$(uname -s)" = "Linux" ]; then +	running_version="`cat /proc/version`" +	if [ -z "$running_version" ] ; then +		echo "UNKNOWN: Failed to get a version string from running system" +		exit $UNKNOWN +	fi + +	if [ "$running_version" != "$on_disk_version" ]; then +		echo "WARNING: Running kernel does not match on-disk kernel image: [$running_version != $on_disk_version]" +		exit $WARNING +	fi + +	ret="$(get_avail linux)" +	if [ $? = 1 ]; then +		echo "WARNING: Kernel needs upgrade [$ret]" +		exit $WARNING +	fi +else +	image_current=$(freebsd_check_running_version $on_disk) +	running_version="`uname -s` `uname -r` `uname -v`" +	if [ "$image_current" != "OK" ]; then +		approx_time="$(date -d "@`stat -c '%Y' "$on_disk"`" +"%Y-%m-%d %H:%M:%S")" +		echo "WARNING: Currently running kernel ($running_version) does not match on disk image (~ $approx_time)" +		exit $WARNING; +	fi + +	ret="$(get_avail linux)" +	if [ $? = 1 ]; then +		echo "WARNING: Kernel needs upgrade [$ret]" +		exit $WARNING +	fi +fi + +echo "OK: Running kernel matches on disk image: [$running_version]" +exit $OK diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-soas b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-soas new file mode 100644 index 0000000..eb28d8c --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-soas @@ -0,0 +1,218 @@ +#!/usr/bin/ruby + +# Copyright 2006, 2012, 2014 Peter Palfrader +#           2012  Uli Martens +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + +# the each_resource function is lifted from ruby 1.9.1's resolv.rb, with the +# minor modification that we do not unconditionally set the message's RD flag +# to 1.  Its license is: +# +# Copyright (C) 1993-2010 Yukihiro Matsumoto. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. + + +require 'ipaddr' +require 'resolv' +require 'optparse' +require 'yaml' + +NAGIOS_STATUS = { :OK => 0, :WARNING => 1, :CRITICAL => 2, :UNKNOWN => -1 }; +@verbose = 0; +@additional_nameservers = [] +@check_soa_nameservers = true; + +def show_help(parser, code=0, io=STDOUT) +  program_name = File.basename($0, '.*') +  io.puts "Usage: #{program_name} [options] <domainname> [<domainname> ...]" +  io.puts parser.summarize +  exit(code) +end +ARGV.options do |opts| +        opts.on_tail("-h", "--help" , "Display this help screen")                               { show_help(opts) } +        opts.on("-v", "--verbose"   , String, "Be verbose")                                     { @verbose += 1 } +        opts.on("-a", "--add=HOST"  , String, "Also check SOA on <nameserver>")                 { |val| @additional_nameservers << val } +        opts.on("-n", "--no-soa-ns" , String, "Don't query SOA record for list of nameservers") { @check_soa_nameservers = false } +        opts.parse! +end +show_help(ARGV.options, 1, STDERR) if ARGV.length == 0 + +if @additional_nameservers.count <= 1 and not @check_soa_nameservers +	program_name = File.basename($0, '.*') +	STDERR.puts "#{program_name}: Only know about #{@additional_nameservers.count} nameserver(s) and --no-soa-ns specified.  I want at least two." +	exit(1) +end + +class DSADNS < Resolv::DNS +	attr_reader :rd +	attr_writer :rd + +	def initialize(*args) +		super +		@rd = 1 +	end + +	def each_resource(name, typeclass, &proc) +		lazy_initialize +		requester = make_udp_requester +		senders = {} +		begin +			@config.resolv(name) {|candidate, tout, nameserver, port| +				msg = Message.new +				msg.rd = @rd +				msg.add_question(candidate, typeclass) +				unless sender = senders[[candidate, nameserver, port]] +					sender = senders[[candidate, nameserver, port]] = +						requester.sender(msg, candidate, nameserver, port) +				end +				reply, reply_name = requester.request(sender, tout) +				case reply.rcode +				when RCode::NoError +					if reply.tc == 1 and not Requester::TCP === requester +						requester.close +						# Retry via TCP: +						requester = make_tcp_requester(nameserver, port) +						senders = {} +						# This will use TCP for all remaining candidates (assuming the +						# current candidate does not already respond successfully via +						# TCP).	This makes sense because we already know the full +						# response will not fit in an untruncated UDP packet. +						redo +					else +						extract_resources(reply, reply_name, typeclass, &proc) +					end +					return +				when RCode::NXDomain +					raise Config::NXDomain.new(reply_name.to_s) +				else +					raise Config::OtherResolvError.new(reply_name.to_s) +				end +			} +		ensure +			requester.close +		end +	end +end + +warnings = [] +oks = [] + +def resolve_ns(dns, domain, nameserver) +	puts "Getting A record for nameserver #{nameserver} for #{domain}" if @verbose > 0 +	arecords = dns.getresources(nameserver, Resolv::DNS::Resource::IN::A) +	warnings << "Nameserver #{nameserver} for #{domain} has #{arecords.length} A records" if arecords.length != 1 +	addresses = arecords.map { |a| a.address.to_s } +	puts "Addresses for nameserver #{nameserver} for #{domain}: #{addresses.join(', ')}" if @verbose > 0 +	return addresses +end + +dns = Resolv::DNS.new +ARGV.each{ |domain| +	serial = {} +	nameserver_addresses = {} +	if @check_soa_nameservers +		nameservers = dns.getresources(domain, Resolv::DNS::Resource::IN::NS) +		nameservernames = nameservers.collect{ |ns| ns.name.to_s } +		nameservernames.each do |nameserver| +			addrs = resolve_ns(dns, domain, nameserver) +			warnings << "Duplicate nameserver #{nameserver} for #{domain}" if nameserver_addresses[nameserver] +			nameserver_addresses[nameserver] = addrs +		end +	end +	@additional_nameservers.each do |ns| +		begin +			ipa = IPAddr.new(ns)  # check if it's an address +			addrs = [ns] +		rescue ArgumentError +			addrs = resolve_ns(dns, domain, ns) +		end +		warnings << "Duplicate nameserver #{ns} for #{domain}" if nameserver_addresses[ns] +		nameserver_addresses[ns] = addrs +	end + +	nameserver_addresses.each_pair do |nameserver, addrs| +		puts "Testing nameserver #{nameserver} for #{domain}" if @verbose > 0 +		addrs.each do |a| +			puts " Nameserver #{nameserver} is at #{a}" if @verbose > 0 +			begin +				resolver = DSADNS.new({:nameserver => a}) +				resolver.rd = 0 +				soas = resolver.getresources(domain, Resolv::DNS::Resource::IN::SOA) +			rescue SystemCallError => e +				warnings << "Could not resolve #{domain} on #{nameserver}: #{e.message}" +			else +				resolver.close +				warnings << "Nameserver #{nameserver} for #{domain} returns #{soas.length} SOAs" if soas.length != 1 +				soas.each do |soa| +					puts " Nameserver #{nameserver} returns serial #{soa.serial} for #{domain}" if @verbose > 0 +					sn = soa.serial.to_i +					if serial.has_key? sn then +						serial[sn] << nameserver +					else +						serial[sn] = [nameserver] +					end +				end +			end +		end +	end +	case serial.keys.length +		when 0 +			warnings << "Found no serials for #{domain}" +		when 1 +			oks << "#{domain} is at #{serial.keys.first}" +		else +			text = [] +			serial.keys.sort.each do |sn| +				text << "#{sn} (#{serial[sn].join(', ')})" +			end +			warnings << "Nameservers disagree on serials for #{domain}: found #{text.join(', ')}" +	end +} +dns.close + +if warnings.length > 0 +	puts warnings.join('; ') +	exit NAGIOS_STATUS[:WARNING] +else +	puts oks.join('; ') +	exit NAGIOS_STATUS[:OK] +end diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-statusfile b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-statusfile new file mode 100644 index 0000000..4654731 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/dsa/checks/dsa-check-statusfile @@ -0,0 +1,90 @@ +#!/usr/bin/python + +# Relay the status of a check that was previously run and which stored +# its result in a file to nagios. +# +# Copyright 2008, 2012 Peter Palfrader +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +import optparse +import os +import re +import sys +import time + +NAGIOS_STATUS = { "OK": 0, "WARNING": 1, "CRITICAL": 2, "UNKNOWN": 3 } +UNITS_TO_SECONDS = { 's': 1, 'm': 60, 'h': 60*60, 'd': 24*60*60 } + +parser = optparse.OptionParser() +parser.set_usage("%prog [options] <statusfile>") +parser.add_option("-a", "--age", dest="age", metavar="AGE", +    type="string", default="26h", +    help="maximum age, in seconds (or use Nm, Nh or Nd) - default is 26h.") +(options, args) = parser.parse_args() + +if len(args) != 1: +    parser.print_help(file=sys.stderr) +    sys.exit(1) + +statusfile = args[0] + +# find out what the max age is that we accept +m = re.match('([0-9]+)([smhd])?$', options.age) +if not m: +    print >> sys.stderr, "Invalid age %s"%(options.age) +    parser.print_help(file=sys.stderr) +    sys.exit(1) +(count, unit) = m.groups() +if unit is None: unit = 's' +max_age = int(count) * UNITS_TO_SECONDS[unit] + +# let's see if it exists +if not os.path.exists(statusfile): +    print "UNKNOWN: %s does not exist."%(statusfile) +    sys.exit(NAGIOS_STATUS['UNKNOWN']) + + +mtime = os.path.getmtime(statusfile) +if mtime + max_age < time.time(): +    print "WARNING: %s is old: %.1f hours."%(statusfile, (time.time() - mtime)/3600) +    sys.exit(NAGIOS_STATUS['WARNING']) + +status = open(statusfile, "r") +returnvalue = status.readline().strip() + +if not returnvalue in NAGIOS_STATUS: +    print "UNKNOWN: %s has invalid return value: %s."%(statusfile, returnvalue) +    sys.exit(NAGIOS_STATUS['UNKNOWN']) + +linecnt = 0 +for line in status: +    print line, +    linecnt += 1 + +if linecnt == 0: +    print "Found no output.  Something is probably wrong" +    sys.exit(NAGIOS_STATUS['UNKNOWN']) + +sys.exit(NAGIOS_STATUS[returnvalue]) + +# vim:set et: +# vim:set ts=4: +# vim:set shiftwidth=4: | 
