3 # Copyright (c) 2010 Peter Palfrader <peter@palfrader.org>
5 # Permission is hereby granted, free of charge, to any person obtaining
6 # a copy of this software and associated documentation files (the
7 # "Software"), to deal in the Software without restriction, including
8 # without limitation the rights to use, copy, modify, merge, publish,
9 # distribute, sublicense, and/or sell copies of the Software, and to
10 # permit persons to whom the Software is furnished to do so, subject to
11 # the following conditions:
13 # The above copyright notice and this permission notice shall be
14 # included in all copies or substantial portions of the Software.
16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 use Net::DNS::Resolver;
30 $SIG{'__DIE__'} = sub { print @_; exit 4; };
32 my $RES = Net::DNS::Resolver->new;
33 my $DLV = 'dlv.isc.org';
40 my $pkt = $RES->send($zone, $type);
41 return () unless $pkt;
42 return () unless $pkt->answer;
43 for my $rr ($pkt->answer) {
44 next unless ($rr->type eq $type);
45 next unless (lc($rr->name) eq lc($zone));
47 # only handle KSKs, i.e. keys with the SEP flag set
48 next if ($type eq 'DNSKEY' && !($rr->is_sep));
50 push @result, $rr->keytag;
53 @result = sort {$a <=> $b} grep {!$unique{$_}++} @result;
59 return get_tag_generic($zone, 'DNSKEY');
63 return get_tag_generic($zone, 'DS');
68 return get_tag_generic($zone, 'DLV');
75 print $fd "Usage: $PROGRAM_NAME [--dir <dir>] overview|check-dlv|check-ds|check-header zone [zone...]\n";
76 print $fd " $PROGRAM_NAME --dir <dir> overview|check-dlv|check-ds|check-header\n";
77 print $fd " $PROGRAM_NAME --help\n";
88 open(F, "<", $indir."/".$zone) or die ("Cannot open zonefile for $zone: $!\n");
90 if (/^;\s*dlv-submit\s*=\s*yes\s*$/) { $do_dlv = 1; }
91 if (/^;\s*ds-in-parent\s*=\s*yes\s*$/) { $do_ds = 1; }
96 push @keys, 'dlv' if $do_dlv;
97 push @keys, 'ds' if $do_ds;
102 Getopt::Long::config('bundling');
104 '--help' => \$params->{'help'},
105 '--dir=s' => \$params->{'dir'},
106 '--dlv=s' => \$params->{'dlv'},
107 ) or usage(\*STDERR, 1);
108 usage(\*STDOUT, 0) if ($params->{'help'});
110 my $mode = shift @ARGV;
111 usage(\*STDOUT, 0) unless (defined $mode && $mode =~ /^(overview|check-dlv|check-ds|check-header)$/);
112 die ("check-header needs --dir") if ($mode eq 'check-header' && !defined $params->{'dir'});
116 if (defined $params->{'dir'} && $mode ne 'check-header') {
117 warn "--dir option ignored"
121 my $dir = $params->{'dir'};
122 usage(\*STDOUT, 0) unless (defined $dir);
124 chdir $dir or die "chdir $dir failed? $!\n";
125 opendir DIR, '.' or die ("Cannot opendir $dir\n");
126 for my $file (readdir DIR) {
127 next if ( -l "$file" );
128 next unless ( -f "$file" );
129 next if $file =~ /^(dsset|keyset)-/;
136 $DLV = $params->{'dlv'} if $params->{'dlv'};
139 for my $zone (@zones) {
140 $data{$zone} = { 'dnskey' => join(', ', get_dnskeytags($zone)),
141 'ds' => join(', ', get_dstags($zone)),
142 'dlv' => join(', ', get_dlvtags($zone)) };
145 if ($mode eq 'overview') {
146 my $format = "%60s %-10s %-10s %-10s\n";
147 printf $format, "zone", "DNSKEY", "DS\@parent", "DLV";
148 printf $format, "-"x 60, "-"x 10, "-"x 10, "-"x 10;
149 for my $zone (sort {$a cmp $b} keys %data) {
150 printf $format, $zone,
151 $data{$zone}->{'dnskey'},
152 $data{$zone}->{'ds'},
153 $data{$zone}->{'dlv'};
156 } elsif ($mode eq 'check-dlv' || $mode eq 'check-ds' || $mode eq 'check-header') {
158 $key = 'dlv' if $mode eq 'check-dlv';
159 $key = 'ds' if $mode eq 'check-ds';
160 $key = 'per-zone' if $mode eq 'check-header';
161 die ("key undefined") unless $key;
165 for my $zone (sort {$a cmp $b} keys %data) {
166 my @thiskeys = $key eq 'per-zone' ? what_to_check($zone, $params->{'dir'}) : ($key);
168 for my $thiskey (@thiskeys) {
169 my $dnskey = $data{$zone}->{'dnskey'} || '-';
170 my $target = $data{$zone}->{$thiskey} || '-';
172 if ($dnskey ne $target) {
173 push @warn, "$zone ($dnskey != $target)";
175 push @ok, "$zone ($dnskey)";
179 print "WARNING: ", join(", ", @warn), "\n" if (scalar @warn);
180 print "OK: ", join(", ", @ok), "\n" if (scalar @ok);
181 exit (1) if (scalar @warn);
184 die ("Invalid mode '$mode'\n");