|
| 1 | +#!/usr/bin/env perl |
| 2 | +use strict; |
| 3 | +use warnings; |
| 4 | + |
| 5 | +use Getopt::Std; |
| 6 | +use Time::Piece; |
| 7 | +use Time::Seconds; |
| 8 | +use Data::Dumper; |
| 9 | + |
| 10 | +our $VERSION = '0.01'; |
| 11 | + |
| 12 | +$Getopt::Std::STANDARD_HELP_VERSION = 1; |
| 13 | +our( $opt_h, $opt_p, $opt_s, $opt_d ); |
| 14 | +getopts('hp:s:d:'); |
| 15 | +my $DATADIR = $opt_p; |
| 16 | +my $SUBJECT = $opt_s; |
| 17 | +my $DAYS = $opt_d; |
| 18 | +my $view_cert_command = 'openssl x509 -noout -text -in '; |
| 19 | + |
| 20 | +if( $opt_h || ! defined( $DATADIR ) || ! defined( $SUBJECT ) || ! defined( $DAYS ) ){ |
| 21 | + HELP_MESSAGE(); |
| 22 | + exit 1; |
| 23 | +} |
| 24 | + |
| 25 | +my $result = 0; |
| 26 | +foreach my $cert ( 'server', 'root' ){ |
| 27 | + my $cert_params = parse_cert( $cert ); |
| 28 | + my $subject = parse_subject( $SUBJECT ); |
| 29 | + my @cert_stats = stat("$DATADIR/$cert.crt"); |
| 30 | + $subject->{'file_stat'} = gmtime( $cert_stats[9] )->strftime; |
| 31 | + $result += evaluate_results( $cert_params, $subject, $DAYS ); |
| 32 | + # print Dumper $subject, $cert_params; |
| 33 | +} |
| 34 | + |
| 35 | +print $result; |
| 36 | +exit $result; |
| 37 | + |
| 38 | +sub VERSION_MESSAGE { |
| 39 | + print "$0 -- version: $VERSION \n"; |
| 40 | + return; |
| 41 | +} |
| 42 | + |
| 43 | +sub HELP_MESSAGE { |
| 44 | + # VERSION_MESSAGE(); |
| 45 | + print <<"END_OF_USAGE"; |
| 46 | +
|
| 47 | +Usage: $0 -p /var/lib/postgresql/9.3/main -s '/C=US/ST=GA/L=Atlanta/O=YMDPartnersLLC/CN=pg.example.com/emailAddress=dba\@example.com' -d 3650 |
| 48 | + -h Display this usage message and exit |
| 49 | + -p provide a Path to the postgresql \$PG_DATA directory |
| 50 | + -s provide the -subj line used to create the certificate being tested |
| 51 | + -d provide the -days argument used to build certificate being tested |
| 52 | + --version Display the script's version number |
| 53 | + The -p, -s and -d switches are required. |
| 54 | +
|
| 55 | +END_OF_USAGE |
| 56 | + return; |
| 57 | +} |
| 58 | + |
| 59 | +sub evaluate_results { |
| 60 | + my $got = shift; |
| 61 | + my $expected = shift; |
| 62 | + my $days = shift; |
| 63 | + |
| 64 | + my $result = 0; |
| 65 | + my @keys = keys %{$expected}; |
| 66 | + KEY: foreach my $key ( @keys ){ |
| 67 | + if ( $key =~ /^(before|after|file_stat)$/ ){ next KEY; } |
| 68 | + unless( exists( $got->{ $key } ) && exists( $expected->{ $key } ) ){ |
| 69 | + print STDERR "$key not defined in both \$got and \$expected \n"; |
| 70 | + next KEY; |
| 71 | + } |
| 72 | + unless ( $got->{ $key } eq $expected->{ $key } ){ |
| 73 | + print STDERR "Certificate fails to match data for $key \n"; |
| 74 | + $result++; |
| 75 | + } |
| 76 | + } |
| 77 | + |
| 78 | + $result += evaluate_result_dates( $got, $expected, $days ); |
| 79 | + return $result; |
| 80 | +} |
| 81 | + |
| 82 | +sub evaluate_result_dates { |
| 83 | + my $got = shift; |
| 84 | + my $expected = shift; |
| 85 | + my $days = shift; |
| 86 | + my $result = 0; |
| 87 | + |
| 88 | + # print 'file_stat: ' . $expected->{'file_stat'} . "\n"; |
| 89 | + # print 'before: ' . $got->{'before'} . "\n"; |
| 90 | + # print 'after: ' . $got->{'after'} . "\n"; |
| 91 | + |
| 92 | + my $format = '%a, %d %b %Y %T'; |
| 93 | + # print "$format \n"; |
| 94 | + |
| 95 | + $expected->{'file_stat'} =~ s/ UTC$//; |
| 96 | + $got->{'before'} =~ s/ UTC$//; |
| 97 | + $got->{'after'} =~ s/ UTC$//; |
| 98 | + |
| 99 | + my $file_stat = Time::Piece->strptime( $expected->{'file_stat'}, $format ); |
| 100 | + my $before = Time::Piece->strptime( $got->{'before'}, $format ); |
| 101 | + my $after = Time::Piece->strptime( $got->{'after'}, $format ); |
| 102 | + |
| 103 | + unless( $file_stat - $before < ( 5 * 60 ) ){ |
| 104 | + print STDERR "Certificate file created more than five minutes after cert's Not Before timestamp.\n"; |
| 105 | + $result++; |
| 106 | + } |
| 107 | + if( $before + ( 60*60*24*( $days - 1 ) ) > $after |
| 108 | + || $before + ( 60*60*24*( $days +2 ) ) < $after ){ |
| 109 | + print STDERR "Certificate's Not After date outside of tolerance: \n"; |
| 110 | + print STDERR " Not Before: " . $got->{'before'} . "\n"; |
| 111 | + print STDERR " Not After : " . $got->{'after'} . "\n"; |
| 112 | + print STDERR " -days : $days \n"; |
| 113 | + $result++; |
| 114 | + } |
| 115 | + |
| 116 | + return $result; |
| 117 | +} |
| 118 | + |
| 119 | +sub get_cert_contents { |
| 120 | + my $view_cert = shift; |
| 121 | + my @cert_content = split "\n", $view_cert; |
| 122 | + return \@cert_content; |
| 123 | +} |
| 124 | + |
| 125 | +sub parse_subject { |
| 126 | + my $subject = shift; |
| 127 | + my %subject; |
| 128 | + my @subject_params = split '/', $subject; |
| 129 | + KV: foreach ( @subject_params ){ |
| 130 | + my ($key, $value) = split '=', $_; |
| 131 | + unless( defined( $key ) ){ next KV; } |
| 132 | + chomp( $key ); |
| 133 | + chomp( $value ); |
| 134 | + $subject{$key} = $value; |
| 135 | + } |
| 136 | + return \%subject; |
| 137 | +} |
| 138 | + |
| 139 | +sub parse_cert { |
| 140 | + my $cert = shift; |
| 141 | + my $cert_file = "$DATADIR/$cert.crt"; |
| 142 | + my $view_cert = `$view_cert_command $cert_file`; |
| 143 | + my $cert_content = get_cert_contents( $view_cert ); |
| 144 | + my %cert_params; |
| 145 | + my @cert_times = map { |
| 146 | + $_ =~ /^\ *Not (.*): (.*)$/; |
| 147 | + my $k = $1; |
| 148 | + my $v = $2; |
| 149 | + $k =~ s/\ *$//; |
| 150 | + $cert_params{ lc( $k ) } = Time::Piece->strptime( $v, '%b %d %T %Y %Z' )->strftime; |
| 151 | + # $cert_params{ lc( $k ) } = $v; |
| 152 | + } grep { /^\ *Not / } @{$cert_content}; |
| 153 | + my @subject = grep { /^\ *Subject: / } @{$cert_content}; |
| 154 | + my @kv = split /[:,\/]\ ?/, $subject[0]; |
| 155 | + KV: foreach my $kv ( @kv ){ |
| 156 | + my ($key, $value) = split '=', $kv; |
| 157 | + if( $key =~ m/Subject/ ){ next KV; } |
| 158 | + $cert_params{$key} = $value; |
| 159 | + } |
| 160 | + return \%cert_params; |
| 161 | +} |
| 162 | + |
| 163 | +=head1 NAME |
| 164 | +
|
| 165 | +validate_self_signed_ssl_certificate.pl |
| 166 | +
|
| 167 | +=head1 VERSION |
| 168 | +
|
| 169 | +Version 0.01 |
| 170 | +
|
| 171 | +=head1 SYNOPSIS |
| 172 | +
|
| 173 | +perl validate_self_signed_ssl_certificate.pl --help |
| 174 | +
|
| 175 | +will provide a usage message |
| 176 | +
|
| 177 | +This script intended for use by the postgresql::server::ssl_certificate class |
| 178 | +of the puppetlabs-postgresql module to validate the installation of the server.crt |
| 179 | +and the root.crt it installs in a Postgresql $PG_DATA directory. |
| 180 | +
|
| 181 | +=head1 COPYRIGHT |
| 182 | +
|
| 183 | +Contributed by Hugh Esco <[email protected]> |
| 184 | +YMD Partners LLC |
| 185 | +to the puppetlabs-postgresql module |
| 186 | +https://github.com/hesco/puppetlabs-postgresql#class-postgresqlserverssl_certificate |
| 187 | +
|
| 188 | +~ |
| 189 | +=cut |
| 190 | + |
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