| 1 | #!/usr/bin/perl
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| 2 | # Import a BIND zone file
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| 3 | # Note we are not using Net:DNS::ZoneFile, because we want to convert $GENERATE
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| 4 | # directives straight into PTR template or A+PTR template metarecords
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| 5 | ##
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| 6 | # Copyright 2020 Kris Deugau <kdeugau@deepnet.cx>
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| 7 | #
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| 8 | # This program is free software: you can redistribute it and/or modify
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| 9 | # it under the terms of the GNU General Public License as published by
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| 10 | # the Free Software Foundation, either version 3 of the License, or
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| 11 | # (at your option) any later version.
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| 12 | #
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| 13 | # This program is distributed in the hope that it will be useful,
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| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | # GNU General Public License for more details.
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| 17 | #
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| 18 | # You should have received a copy of the GNU General Public License
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| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 20 | ##
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| 21 |
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| 22 | use strict;
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| 23 | use warnings;
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| 24 | use Getopt::Long;
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| 25 |
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| 26 | use Data::Dumper;
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| 27 |
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| 28 | ##fixme
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| 29 | use lib '.';
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| 30 | use DNSDB;
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| 31 |
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| 32 | my $dnsdb = new DNSDB;
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| 33 | my $doimport = 1;
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| 34 |
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| 35 | #print Dumper(\%reverse_typemap);
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| 36 |
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| 37 | local $dnsdb->{dbh}->{AutoCommit} = 0;
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| 38 | local $dnsdb->{dbh}->{RaiseError} = 1;
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| 39 |
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| 40 | # from tiny-import: arguably can't use -r, -c is irrelevant. others useful?
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| 41 | # -r rewrite imported files to comment imported records
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| 42 | # -c coerce/downconvert A+PTR = records to PTR
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| 43 | # -l swallow A+PTR as-is
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| 44 | # -m merge PTR and A/AAAA as possible
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| 45 | # -t trial mode; don't commit to DB or actually rewrite flatfile (disables -r)
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| 46 | # -g import to specified group (name or ID) instead of group 1
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| 47 |
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| 48 | ##fixme: command arguments/flags to set these to alternate values
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| 49 | my $group = 1;
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| 50 | my $status = 1;
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| 51 | my $location = '';
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| 52 | # we'll update this with the actual serial number from the SOA record later
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| 53 | my $serial = time();
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| 54 |
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| 55 | my @skipdefs;
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| 56 | my $skipfile;
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| 57 |
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| 58 | GetOptions(
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| 59 | "skip=s" => \@skipdefs,
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| 60 | "skipfile=s" => \$skipfile,
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| 61 | "test|dry-run" => sub { $doimport = 0; },
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| 62 | );
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| 63 |
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| 64 | my $usage = "usage: bind-import [--skip pattern [--skip pattern2 ...]] [--skipfile file]
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| 65 | zonename [zonefile]
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| 66 | --skip
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| 67 | Specify a string to skip in the records. If an IP-like string is
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| 68 | used, and the zone is a reverse zone, it will also search for the
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| 69 | octet-reversed form. Specify multiple times to skip multiple
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| 70 | different record patterns.
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| 71 | --skipfile
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| 72 | A file containing patterns to skip. Patterns from the file and
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| 73 | any --skip arguments are merged.
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| 74 | zonename
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| 75 | The name of the zone to import. Required.
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| 76 | zonefile
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| 77 | Specify the zone file as an argument. If not specified, the zone
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| 78 | data will be read from STDIN.
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| 79 | ";
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| 80 |
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| 81 | my $zname = shift @ARGV;
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| 82 | my $origzone = $zname;
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| 83 | die $usage if !$zname;
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| 84 |
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| 85 | my $zonefile = shift @ARGV;
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| 86 | if(!$zonefile) {
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| 87 | $zonefile = '&STDIN';
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| 88 | }
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| 89 |
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| 90 | my $rev = 'n';
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| 91 | my $zid;
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| 92 | my %foundtypes;
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| 93 |
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| 94 | if ($skipfile) {
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| 95 | if (-f $skipfile) {
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| 96 | open SKIP, "<$skipfile";
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| 97 | while (<SKIP>) {
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| 98 | chomp;
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| 99 | push @skipdefs, $_;
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| 100 | }
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| 101 | close SKIP;
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| 102 | } else {
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| 103 | warn "skipfile $skipfile requested but it doesn't seem to exist. Continuing.\n";
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| 104 | }
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| 105 | }
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| 106 |
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| 107 | #sub setreplace {
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| 108 | ## print "dbg1: $_[0]\ndbg2: $_[1]\n";
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| 109 | ##($_[1] eq '' ? $replace = 1 : $replace = $_[1]);
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| 110 | # if ($_[1] eq '') {
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| 111 | # print "no arg value, setting 1\n";
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| 112 | # $replace = 1;
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| 113 | # } else {
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| 114 | # print "arg value $_[1]\n";
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| 115 | # $replace = $_[1];
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| 116 | # }
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| 117 | #}
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| 118 |
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| 119 |
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| 120 | my %amap;
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| 121 | my %namemap;
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| 122 | my %cmap;
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| 123 |
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| 124 | # wrap all the DB stuff in eval{}, so the entire thing either succeeds or fails.
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| 125 |
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| 126 | eval {
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| 127 |
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| 128 | local $dnsdb->{dbh}->{AutoCommit} = 0;
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| 129 | local $dnsdb->{dbh}->{RaiseError} = 1;
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| 130 |
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| 131 | ##fixme: this is wrong, BIND zone files are generally complete and we're adding. merging records is an entire fridge full of worms.
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| 132 | ##fixme: for import, should arguably check for zone *non*existence
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| 133 | if ($zname =~ /\.arpa\.?$/ || $zname =~ m,^[\d./]+$,) {
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| 134 | $rev = 'y';
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| 135 | $zname = _zone2cidr($zname) if $zname =~ /\.arpa\.?$/;
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| 136 | $zid = $dnsdb->revID($zname,':ANY:');
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| 137 | if ($zid) {
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| 138 | die "zone $origzone already present, not merging records\n";
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| 139 | $zname = new NetAddr::IP $zname;
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| 140 | $zname = DNSDB::_ZONE($zname, 'ZONE', 'r', '.').($zname->{isv6} ? '.ip6.arpa' : '.in-addr.arpa');
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| 141 | }
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| 142 | ($zid) = $dnsdb->{dbh}->selectrow_array("INSERT INTO revzones (revnet,group_id,status,default_location,zserial) VALUES (?,?,?,?,?) RETURNING rnds_id",
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| 143 | undef, ($zname, $group, $status, $location, $serial));
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| 144 |
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| 145 | } else {
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| 146 | print "dbg: forward zone\n";
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| 147 | $zid = $dnsdb->domainID($zname,':ANY:');
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| 148 | if ($zid) {
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| 149 | # die "zone $origzone already present, not merging records\n";
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| 150 | print "dbg: skip add domain\n";
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| 151 | } else {
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| 152 | ($zid) = $dnsdb->{dbh}->selectrow_array("INSERT INTO domains (domain,group_id,status,default_location,zserial) VALUES (?,?,?,?,?) RETURNING domain_id",
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| 153 | undef, ($zname, $group, $status, $location, $serial));
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| 154 | }
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| 155 |
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| 156 | }
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| 157 |
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| 158 | die "error creating zone stub for $zname: ".$dnsdb->{dbh}->errstr if !$zid;
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| 159 |
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| 160 |
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| 161 | ##fixme: should probably make this a named argument so it doesn't get confused with the zone filename
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| 162 | # still no sane way to expose a human-friendly view tag on the command line.
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| 163 | my $view = shift @ARGV;
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| 164 | $view = '' if !$view;
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| 165 |
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| 166 | ##fixme: retrieve defttl from SOA record
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| 167 | my $zonettl = 900;
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| 168 | my $defttl = $zonettl;
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| 169 | my $origin = "$zname."; # to append to unqualified names
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| 170 |
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| 171 | # need to spin up a full state machine-ish thing, because BIND zone files are all about context
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| 172 | # see ch4, p56-72 in the grasshopper book
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| 173 | my $prevlabel = '';
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| 174 | my $curlabel = '';
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| 175 |
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| 176 | my $i = 0;
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| 177 |
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| 178 | open ZONEDATA, "<$zonefile";
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| 179 |
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| 180 | while (my $rec = <ZONEDATA>) {
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| 181 | chomp $rec;
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| 182 | next if $rec =~ /^\s*$/;
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| 183 | next if $rec =~ /^\s*;/; # comments
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| 184 | next if $rec =~ /^\s*\)/; # SOA closing (possibly other records too?)
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| 185 | # arguably should do some more targeted voodoo when parsing the SOA details
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| 186 |
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| 187 | ##fixme: would prefer to break the loop below *AND* next; the while starting above
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| 188 | # check skiplist. do this early since it's (mostly) a simple string match against the raw record line
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| 189 | my $skipflag = 0;
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| 190 | foreach (@skipdefs) {
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| 191 | #print "skipdbg: $_ =~ $rec\n" if $rec =~ /207/;
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| 192 | if ($rec =~ /\Q$_\E/) {
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| 193 | $skipflag = 1;
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| 194 | # print "skip: $rec\n";
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| 195 | }
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| 196 | }
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| 197 | next if $skipflag;
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| 198 |
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| 199 | ##fixme: use external skiplist
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| 200 | # # skip stale records that have no value
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| 201 | # next if /^ip-192-168-1(12|20)-\d+/;
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| 202 | # next if /ip.add.re.\d+\s*$/;
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| 203 |
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| 204 | $i++;
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| 205 | last if $i > 17;
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| 206 | #print "line $i: ($rec)\n";
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| 207 | if (my ($macro,$mdetail) = ($rec =~ /^\s*\$(TTL|ORIGIN|INCLUDE|GENERATE)\s+(.+)/) ) {
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| 208 | # macro sort of thing; $TTL and $ORIGIN most common. $INCLUDE is a thing, expect it to be rare in live use tho
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| 209 | if ($macro eq 'TTL') {
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| 210 | $mdetail =~ s/\s*;.+$//;
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| 211 | if ($mdetail =~ /^\d+$/) {
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| 212 | $defttl = $mdetail;
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| 213 | } else {
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| 214 | warn "invalid \$TTL: $rec\n";
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| 215 | }
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| 216 | } elsif ($macro eq 'ORIGIN') {
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| 217 | ##fixme: going to skip the stupid case of "$ORIGIN com." and the like that lie
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| 218 | # between . and the root domain we were told we're importing; anyone using such
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| 219 | # a mess outside the root servers is clearly insane
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| 220 |
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| 221 | # $ORIGIN supports cascading/nesting, by watching for fully-qualified names vs partial names.
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| 222 |
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| 223 | print "origin ($mdetail)\n";
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| 224 | if ($mdetail =~ /\.$/) {
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| 225 | $origin = $mdetail;
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| 226 | } else {
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| 227 | # append current origin to unqualified origin
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| 228 | $origin = "$mdetail.$origin";
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| 229 | }
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| 230 |
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| 231 | # if ($mdetail eq '.' || $mdetail =~ /$zname\.$/ || $zname =~ /$mdetail\.$/) {
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| 232 | # $origin = $mdetail;
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| 233 | # } else {
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| 234 | # # if we continue, we either use an $ORIGIN that's out of zone, or ignore it and potentially publish incorrect records.
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| 235 | # die "bad \$ORIGIN: $_\n";
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| 236 | # }
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| 237 |
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| 238 | }
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| 239 | elsif ($macro eq 'GENERATE') {
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| 240 | # needs to generate CIDR range(s) as needed to match the start/stop points
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| 241 | }
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| 242 | # not handling $INCLUDE or $GENERATE (altho the latter seems to be mostly a less-flexible version of the template types)
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| 243 | next;
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| 244 | }
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| 245 |
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| 246 | my $origrec = $rec;
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| 247 |
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| 248 | # leading whitespace indicates "same label as last record"
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| 249 | if ($rec =~ /^\s/) {
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| 250 | $curlabel = $prevlabel;
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| 251 | #print " found empty label, using previous label\n";
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| 252 | } else {
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| 253 | ($curlabel) = ($rec =~ /^([\w\@_.-]+)\s/);
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| 254 | }
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| 255 |
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| 256 | #print " found '$curlabel'\n";
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| 257 |
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| 258 | # magic name!
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| 259 | $curlabel = "$zname." if $curlabel eq '@';
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| 260 |
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| 261 | # append $ORIGIN if name is not fully qualified.
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| 262 | if ($curlabel !~ /\.$/) {
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| 263 | $curlabel .= ($origin eq '.' ? '.' : ".$origin");
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| 264 | }
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| 265 | #print " expanded '$curlabel'\n";
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| 266 |
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| 267 | # hack pthbptt
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| 268 | #$curlabel =~ s/\.\.$/./;
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| 269 | # check for zone scope. skip bad records.
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| 270 | if ($curlabel !~ /$zname.$/) {
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| 271 | warn "bad record $origrec, maybe bad \$ORIGIN?\n";
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| 272 | # bweh? maybe this should die()?
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| 273 | last;
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| 274 | next;
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| 275 | }
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| 276 |
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| 277 | # trim the label, if any
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| 278 | $rec =~ s/^([\w\@_.-]*)\s+//;
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| 279 |
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| 280 | # # records must begin in the first column, no leading whitespace
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| 281 | # my ($name) = /^([\w\@_.-]+)\s/;
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| 282 |
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| 283 | # foo IN A 1.2.3.4
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| 284 | # IN A 2.3.4.5
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| 285 | # =
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| 286 | # foo.zone. IN A 1.2.3.4
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| 287 | # foo.zone. IN A 2.3.4.5
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| 288 |
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| 289 | # # "empty" label records inherit the previous label
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| 290 | # # RRs start in the first column by definition, so leading whitespace indicates an inherited label
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| 291 | # if (/^\s+/) {
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| 292 | # # fatal error. if there is no previous label, we can by definition not set
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| 293 | # # the current label based on it. this can only happen on the very first
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| 294 | # # record, following records will *ALWAYS* have a previous label
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| 295 | # die "bad first record ($_): no previous label\n" if !$prevlabel;
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| 296 | # $name = $prevlabel;
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| 297 | # }
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| 298 |
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| 299 | #print "$i ($rec)\n";#\t$curlabel";
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| 300 |
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| 301 |
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| 302 |
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| 303 |
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| 304 | # # append zone name to record name if missing AND not dot-terminated;
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| 305 | # # this happens automagically for forward zones, but not reverse because Reasons. (fixme?)
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| 306 | # # suck up and deal with the error if the dot-termiated name is out of zone; should be
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| 307 | # # impossible with valid BIND zone file but...
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| 308 | # if ($name !~ /\.$/) {
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| 309 | # $name .= ".$zname" if $name !~ /$zname$/;
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| 310 | # } else {
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| 311 | # warn "skipping out-of-zone record:\n\t($_)\n" if $name !~ /$zname\.$/;
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| 312 | # next;
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| 313 | # }
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| 314 |
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| 315 |
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| 316 | my $nc = 0;
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| 317 | my $class = 'IN';
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| 318 | my $type;
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| 319 | my $ttl;
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| 320 | my $distance;
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| 321 | my $weight;
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| 322 | my $port;
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| 323 | my $badrec;
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| 324 | my $curatom = 'class';
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| 325 |
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| 326 | # unpack the class, TTL, and type
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| 327 | eval {
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| 328 | for (; $nc < 3; $nc++) {
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| 329 | my ($atom) = ($rec =~ /^([\w\d.]+)\s/);
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| 330 | # should be safe?
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| 331 | last if !$atom;
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| 332 | last if $type;
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| 333 | #print "nc:$nc: $atom\n";
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| 334 | if ($atom =~ /^\d+$/) {
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| 335 | if (defined($ttl)) {
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| 336 | die "bad record ($origrec)\n";
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| 337 | # warn "bad record ($origrec)\n";
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| 338 | # $badrec = 1;
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| 339 | # last;
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| 340 | } else {
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| 341 | if ($curatom ne 'class' && $curatom ne 'ttl') {
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| 342 | die "bad record ($origrec)\n";
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| 343 | # warn "bad record ($origrec)\n";
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| 344 | # $badrec = 1;
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| 345 | # last;
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| 346 | }
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| 347 | $curatom = 'ttl';
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| 348 | $ttl = $atom;
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| 349 | }
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| 350 | }
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| 351 |
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| 352 | elsif ($atom =~ /^IN|CS|CH|HS$/) {
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| 353 | #print "a$nc: d2: atom [$atom]\n $rec\n" if $i == $debugid;
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| 354 | if ($atom =~ /CS|CH|HS/) {
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| 355 | die "unsupported class $atom in record ($origrec)\n";
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| 356 | # warn "unsupported class $atom in record ($origrec)\n";
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| 357 | # $badrec = 1;
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| 358 | # last;
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| 359 | }
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| 360 | $curatom = 'class';
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| 361 | $class = $atom;
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| 362 | }
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| 363 |
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| 364 | elsif ($atom =~ /^[A-Z]+/) {
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| 365 | # print "dbg: type $atom\n";
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| 366 | if ($reverse_typemap{$atom}) {
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| 367 | $type = $atom;
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| 368 | } else {
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| 369 | die "unknown type $atom in record ($origrec)\n";
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| 370 | }
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| 371 | }
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| 372 | $rec =~ s/^$atom\s*//;
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| 373 | }
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| 374 | }; # record class/type/TTL parse
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| 375 | if ($@) {
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| 376 | warn $@;
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| 377 | next;
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| 378 | }
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| 379 |
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| 380 | ##todo: BIND conflates a repeated label with repeating the TTL too. Matter of opinion whether that's really correct or not.
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| 381 | # set default TTL here so we can detect a TTL in the loop above
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| 382 | $ttl = $defttl if !defined($ttl);
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| 383 |
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| 384 | #next if $badrec;
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| 385 |
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| 386 | $prevlabel = $curlabel;
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| 387 |
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| 388 |
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| 389 | ## by convention the optional TTL leads the optional class, but they're apparently swappable.
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| 390 | # my ($ttl) = /^(\d+)?\s/;
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| 391 | # if (defined $ttl) {
|
|---|
| 392 | # # TTL may be zero
|
|---|
| 393 | # s/(\d+)?\s+//;
|
|---|
| 394 | # } else {
|
|---|
| 395 | # # Fall back to zone default TTL
|
|---|
| 396 | # $ttl = $zonettl;
|
|---|
| 397 | # }
|
|---|
| 398 | # my ($class) = /^(IN|CS|CH|HS|\d+)\s/;
|
|---|
| 399 | # if (defined $class) {
|
|---|
| 400 | # if ($class =~ /\d+/) {
|
|---|
| 401 | #
|
|---|
| 402 | # }
|
|---|
| 403 | # if ($class ne 'IN') {
|
|---|
| 404 | # warn "Non-Internet class ($class) records not supported:\n\t$origrec\n";
|
|---|
| 405 | # next;
|
|---|
| 406 | # }
|
|---|
| 407 | # s/(IN|CS|CH|HS)\s+//;
|
|---|
| 408 | # } else {
|
|---|
| 409 | # $class = 'IN';
|
|---|
| 410 | # }
|
|---|
| 411 | # my ($type) = /([A-Z-]+)\s/;
|
|---|
| 412 | # if (!$reverse_typemap{$type}) {
|
|---|
| 413 | # warn "Unknown type $type, skipping\n\t($rec)\n";
|
|---|
| 414 | # next;
|
|---|
| 415 | # }
|
|---|
| 416 | # s/([A-Z-]+)\s+//;
|
|---|
| 417 | # chomp;
|
|---|
| 418 |
|
|---|
| 419 |
|
|---|
| 420 | my $itype = $reverse_typemap{$type};
|
|---|
| 421 | my $rdata = $rec;
|
|---|
| 422 |
|
|---|
| 423 | # SOA is the only type that may span multiple lines. Probably. Note even AXFRed zones write multiline SOA records:
|
|---|
| 424 | #@ IN SOA test.example.invalid. test.example.invalid. (2020082500 7200 900 604800 3600)
|
|---|
| 425 | # IN NS olddns.example.com.
|
|---|
| 426 | # IN MX 1 fred.foo.bar.invalid.
|
|---|
| 427 | #foo IN A 192.168.16.45
|
|---|
| 428 | # AXFR'ed zone file gets written as
|
|---|
| 429 | #$ORIGIN .
|
|---|
| 430 | #$TTL 3600 ; 1 hour
|
|---|
| 431 | #example.invalid IN SOA test.example.invalid. test.example.invalid. (
|
|---|
| 432 | # 2020082500 ; serial
|
|---|
| 433 | # 7200 ; refresh (2 hours)
|
|---|
| 434 | # 900 ; retry (15 minutes)
|
|---|
| 435 | # 604800 ; expire (1 week)
|
|---|
| 436 | # 3600 ; minimum (1 hour)
|
|---|
| 437 | # )
|
|---|
| 438 | # NS olddns.example.com.
|
|---|
| 439 | # MX 1 fred.foo.bar.invalid.
|
|---|
| 440 | #$ORIGIN example.invalid.
|
|---|
| 441 | #foo A 192.168.16.45
|
|---|
| 442 | $foundtypes{$type}++;
|
|---|
| 443 |
|
|---|
| 444 | ##fixme: strip trailing . here? dnsadmin's normalized internal format omits it, some validation fails or may go funky
|
|---|
| 445 |
|
|---|
| 446 | if ($type eq 'SOA') {
|
|---|
| 447 | my ($ns, $adminmail) = ($rdata =~ /([\w.]+)\s+([\w.]+)\s+\(/);
|
|---|
| 448 | die "Can't parse gibberish SOAish record: $rec\n" if !$ns;
|
|---|
| 449 | $rdata =~ s/([\w.]+)\s+([\w.]+)\s+\(\s*//;
|
|---|
| 450 |
|
|---|
| 451 | # There are probably more efficient ways to do this but the SOA record
|
|---|
| 452 | # format is essentially character based, not line-based.
|
|---|
| 453 | # In theory the SOA serial etc may be spread over up to 5 lines, in any combination.
|
|---|
| 454 |
|
|---|
| 455 | # Parse fields from $rdata if present
|
|---|
| 456 | my @soabits;
|
|---|
| 457 | my @soafirst = split /\s+/, $rdata;
|
|---|
| 458 | while (my $f = shift @soafirst) {
|
|---|
| 459 | last if $f !~ /^\d/;
|
|---|
| 460 | push @soabits, $f;
|
|---|
| 461 | }
|
|---|
| 462 |
|
|---|
| 463 | # Read more lines if we don't have enough SOA fields filled
|
|---|
| 464 | while (scalar(@soabits) < 5) {
|
|---|
| 465 | my $tmp = <ZONEDATA>;
|
|---|
| 466 | $tmp =~ s/^\s*//;
|
|---|
| 467 | my @tmpsoa = split /\s+/, $tmp;
|
|---|
| 468 | while (my $f = shift @tmpsoa) {
|
|---|
| 469 | last if $f !~ /^\d/;
|
|---|
| 470 | push @soabits, $f;
|
|---|
| 471 | }
|
|---|
| 472 | if (scalar(@soabits) == 5) {
|
|---|
| 473 | last;
|
|---|
| 474 | }
|
|---|
| 475 | }
|
|---|
| 476 | my @soavals = ($zid, "$adminmail:$ns", 6, join(':', @soabits), $ttl, $location);
|
|---|
| 477 | # host = $adminmail:$ns
|
|---|
| 478 | # val = join(':', @soabits);
|
|---|
| 479 |
|
|---|
| 480 | if ($rev eq 'y') {
|
|---|
| 481 | $dnsdb->{dbh}->do("UPDATE revzones SET zserial = ? WHERE rdns_id = ?", undef, $soabits[0], $zid);
|
|---|
| 482 | $dnsdb->{dbh}->do("INSERT INTO records (rdns_id,host,type,val,ttl,location) VALUES (?,?,?,?,?,?)", undef, @soavals);
|
|---|
| 483 | } else {
|
|---|
| 484 | $dnsdb->{dbh}->do("UPDATE domains SET zserial = ? WHERE domain_id = ?", undef, $soabits[0], $zid);
|
|---|
| 485 | $dnsdb->{dbh}->do("INSERT INTO records (domain_id,host,type,val,ttl,location) VALUES (?,?,?,?,?,?)", undef, @soavals);
|
|---|
| 486 | }
|
|---|
| 487 | # $dnsdb->{dbh}->do("INSERT INTO records () VALUES ()");
|
|---|
| 488 | # next;
|
|---|
| 489 | #Zfqdn:mname:rname:ser:ref:ret:exp:min:ttl:timestamp:lo
|
|---|
| 490 | #print "Z$zname:$ns:$adminmail:$soabits[0]:$soabits[1]:$soabits[2]:$soabits[3]:$soabits[4]:$ttl\n";
|
|---|
| 491 | # skip insert at end of loop; SOA records are not handled by DNSDB::addRec()
|
|---|
| 492 | next;
|
|---|
| 493 | } # SOA
|
|---|
| 494 |
|
|---|
| 495 |
|
|---|
| 496 | # we're using DNSDB::addrec(), so we'll skip detailed validation of other records. Most won't need further breakdown
|
|---|
| 497 |
|
|---|
| 498 | elsif ($type eq 'A') {
|
|---|
| 499 | #print "+$curlabel:$rdata:$ttl\n";
|
|---|
| 500 | }
|
|---|
| 501 |
|
|---|
| 502 | elsif ($type eq 'NS') {
|
|---|
| 503 | #print "\&$curlabel::$rdata:$ttl\n";
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | elsif ($type eq 'CNAME') {
|
|---|
| 507 | #print "C$curlabel:$rdata:$ttl\n";
|
|---|
| 508 | }
|
|---|
| 509 |
|
|---|
| 510 | elsif ($type eq 'PTR') {
|
|---|
| 511 | }
|
|---|
| 512 |
|
|---|
| 513 | elsif ($type eq 'MX') {
|
|---|
| 514 | ($distance) = ($rdata =~ /^(\d+)\s+/);
|
|---|
| 515 | if (!defined($distance)) {
|
|---|
| 516 | warn "malformed MX record: $origrec, skipping\n";
|
|---|
| 517 | next;
|
|---|
| 518 | }
|
|---|
| 519 | $rdata =~ s/^\d+\s+//;
|
|---|
| 520 | }
|
|---|
| 521 |
|
|---|
| 522 | elsif ($type eq 'TXT') {
|
|---|
| 523 | # Quotes may arguably be syntactically required, but they're not actually part of the record data
|
|---|
| 524 | $rdata =~ s/^"//;
|
|---|
| 525 | $rdata =~ s/"$//;
|
|---|
| 526 | #print "'$curlabel:$rdata:$ttl\n";
|
|---|
| 527 | }
|
|---|
| 528 |
|
|---|
| 529 | elsif ($type eq 'RP') {
|
|---|
| 530 | }
|
|---|
| 531 |
|
|---|
| 532 | elsif ($type eq 'AAAA') {
|
|---|
| 533 | }
|
|---|
| 534 |
|
|---|
| 535 | elsif ($type eq 'SRV') {
|
|---|
| 536 | ($distance, $weight, $port) = ($rdata =~ /^(\d+)\s+(\d+)\s+(\d+)\s+/);
|
|---|
| 537 | if ( !defined($distance) || !defined($weight) || !defined($port) ) {
|
|---|
| 538 | warn "malformed SRV record: $origrec, skipping\n";
|
|---|
| 539 | next;
|
|---|
| 540 | }
|
|---|
| 541 | $rdata =~ s/^\d+\s+\d+\s+\d+\s+//;
|
|---|
| 542 | }
|
|---|
| 543 |
|
|---|
| 544 | # basically a dedicated clone of TXT, not sure anything actually looks up type SPF.
|
|---|
| 545 | # BIND autogenerates them from SPF TXT records.
|
|---|
| 546 | elsif ($type eq 'SPF') {
|
|---|
| 547 | # Quotes may arguably be syntactically required, but they're not actually part of the record data
|
|---|
| 548 | $rdata =~ s/^"//;
|
|---|
| 549 | $rdata =~ s/"$//;
|
|---|
| 550 | }
|
|---|
| 551 |
|
|---|
| 552 | # elsif ($type eq 'TXT') {
|
|---|
| 553 | # elsif ($type eq 'TXT') {
|
|---|
| 554 |
|
|---|
| 555 | else {
|
|---|
| 556 | warn "unsupported type $type, may not import correctly\n";
|
|---|
| 557 | }
|
|---|
| 558 |
|
|---|
| 559 | no warnings qw(uninitialized);
|
|---|
| 560 | #print "parsed: '$curlabel' '$class' '$ttl' '$type'->'$itype' '$rdata'\n";
|
|---|
| 561 | #print;
|
|---|
| 562 | #;imap IN 900 CNAME deepnet.cx.
|
|---|
| 563 | ##fixme: not sure how to handle the case where someone leaves off the class.
|
|---|
| 564 | if ($doimport) {
|
|---|
| 565 | my ($code, $msg);
|
|---|
| 566 | if ($rev eq 'n') {
|
|---|
| 567 | ($code,$msg) = $dnsdb->addRec('n', $rev, $zid, \$curlabel, \$itype, \$rdata, $ttl,
|
|---|
| 568 | $location, undef, undef, $distance, $weight, $port);
|
|---|
| 569 | } else {
|
|---|
| 570 | ($code,$msg) = $dnsdb->addRec('y', $rev, $zid, \$rdata, \$itype, \$curlabel, $ttl,
|
|---|
| 571 | $location, undef, undef, $distance, $weight, $port);
|
|---|
| 572 | }
|
|---|
| 573 | print "$code: $msg\n" if $code ne 'OK';
|
|---|
| 574 | }
|
|---|
| 575 | # $i++;
|
|---|
| 576 | }
|
|---|
| 577 |
|
|---|
| 578 | };
|
|---|
| 579 | if ($@) {
|
|---|
| 580 | warn "Error parsing zonefile: $@\n";
|
|---|
| 581 | $dnsdb->{dbh}->rollback;
|
|---|
| 582 | exit;
|
|---|
| 583 | }
|
|---|
| 584 |
|
|---|
| 585 | #print Dumper \%amap;
|
|---|
| 586 | #print Dumper \%namemap;
|
|---|
| 587 | #print Dumper \%cmap;
|
|---|
| 588 |
|
|---|
| 589 | #foreach my $n (keys %amap) {
|
|---|
| 590 | # foreach my $ip (@{$amap{$n}}) {
|
|---|
| 591 | ##print "$ip $n\n";
|
|---|
| 592 | # push @{$namemap{$ip}}, $n unless grep $n, @{$namemap{$ip}};
|
|---|
| 593 | # }
|
|---|
| 594 | #}
|
|---|
| 595 |
|
|---|
| 596 | #foreach my $c (keys %cmap) {
|
|---|
| 597 | # if ($amap{$c}) {
|
|---|
| 598 | # print Dumper(\@{$amap{$c}});
|
|---|
| 599 | # }
|
|---|
| 600 | ## print $amap{$c};
|
|---|
| 601 | #}
|
|---|
| 602 |
|
|---|
| 603 | # cname targ -> IP
|
|---|
| 604 |
|
|---|
| 605 | #foreach my $ip (sort keys %namemap) {
|
|---|
| 606 | # print "$ip ".join(' ', @{$namemap{$ip}})."\n";
|
|---|
| 607 | #}
|
|---|
| 608 |
|
|---|
| 609 | ##fixme: might not be sane, addRec() above does a commit() internally.
|
|---|
| 610 | #$dnsdb->{dbh}->rollback;
|
|---|
| 611 | $dnsdb->{dbh}->commit;
|
|---|
| 612 |
|
|---|
| 613 | foreach my $t (keys %foundtypes) {
|
|---|
| 614 | print "found $t: $foundtypes{$t}\n";
|
|---|
| 615 | }
|
|---|
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