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Add support for IPv6 PTRs #1

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Add support for IPv6 PTRs #1

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68 changes: 46 additions & 22 deletions bin/traceroute-circl
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
use strict;
use utf8;

use Socket;
use Socket qw(AF_INET AF_INET6 inet_pton inet_ntop);
use Getopt::Compact;

use Net::Whois::RIS;
Expand All @@ -30,11 +30,14 @@ use Net::Abuse::Utils;
use Locale::Country;
use LWP::Simple;
use JSON;
use Net::DNS;

$| = 1;

my $country = IP::Country::Fast->new();
my $ris = Net::Whois::RIS->new();
my $res = Net::DNS::Resolver->new();

my $opt = new Getopt::Compact(
name => 'traceroute-circl',
modes => [qw(debug)],
Expand Down Expand Up @@ -107,12 +110,13 @@ while (<TRACEROUTE>) {
my $abuse = join( ' ', Net::Abuse::Utils::get_ipwi_contacts($tip) );
$r .= " Abuse contact:" . $abuse . "\n";
$ris->getIPInfo($tip);
my $ptr = GetPTR($tip);
my $ra = GetA($ptr);
my $raok = "WRONG";
if ( !defined($ra) ) { $raok = "No A record for PTR"; }
if ( $ra == $tip ) { $raok = "OK"; }
if ( !defined($ptr) ) { $raok = "N/A"; }
my $addrtype = ($tip =~ /:/) ? "AAAA" : "A";
my $ptr = GetPTR($tip);
my $rfwd = GetFwd($ptr, $addrtype);
my $rfwdok = "WRONG";
if ( !defined($rfwd) ) { $rfwdok = "No $addrtype record for PTR"; }
if ( $rfwd eq $tip ) { $rfwdok = "OK"; }
if ( !defined($ptr) ) { $rfwdok = "N/A"; }
my $asn = $ris->getOrigin();
my $bgpranking;

Expand All @@ -129,8 +133,8 @@ while (<TRACEROUTE>) {
. " ASN INFO:"
. join( ' ', Net::Abuse::Utils::get_asn_info($tip) ) . " PTR:"
. $ptr . " ("
. $ra . "-"
. $raok . ")";
. $rfwd . "-"
. $rfwdok . ")";

if ( defined( $opts->{rbl} ) ) {
$r .= " RBL:"
Expand Down Expand Up @@ -184,24 +188,44 @@ sub GetBGPRanking {

sub GetPTR {
my $ip = shift;
my $iip = inet_aton($ip);
if ( length($iip) > 1 ) {
return gethostbyaddr( $iip, AF_INET );
}
else {
return undef;

my $ret = $res->query($ip);
return undef unless $ret;

foreach my $rr ( $ret->answer ) {
if ( $rr->type eq "PTR" ) {
return $rr->ptrdname;
}
}
return undef;
}

sub GetA {
my $name = shift;
my $iip = gethostbyname($name);
if ( length($iip) > 1 ) {
return inet_ntoa($iip);
sub GetCanonAddr {
my $ip = shift;

for my $family (AF_INET, AF_INET6) {
my $iip = inet_pton($family, $ip);
if ( $iip ) {
return inet_ntop($family, $iip);
}
}
else {
return undef;

return $ip;
}

sub GetFwd {
my $name = shift;
my $addrtype = shift;

my $ret = $res->query($name, $addrtype);
return undef unless $ret;

foreach my $rr ( $ret->answer ) {
if ( $rr->type eq $addrtype ) {
return GetCanonAddr($rr->address);
}
}
return undef;
}

sub GetCountryLatLng {
Expand Down