#!/usr/bin/perl -w
use strict;
use warnings;
use v5.14;
die "usage : cat website_list.txt | ./$0 > page.html" if @ARGV != 0;
my @tab;
my %dom;
sub get_urls {
while(<>) {
chomp;
last if $_ eq "";
if(m#/#) {
$_ =~ s#https?://##;
@tab = split '/', $_;
$_ = $tab[0];
}
# securité
@tab = split ';', $_;
$_ = $tab[0];
m/^([0-9a-zA-Z\.-]+)/;
$_ = $1;
$dom{$_} = 0;
}
}
sub test_ipv6 {
my $domain = shift;
my $ret = `/usr/bin/dig +short AAAA $domain`;
if(not length $ret) { # no ipv6 ? check www.$domain
$ret = `/usr/bin/dig +short AAAA www.$domain`;
}
if(length $ret != 0) { # there is at least an IPv6 configured
chomp $ret;
my @var = split "\n", $ret;
for(@var) {
next unless /:/;
chomp;
say; # print the IPv6
# we try to reach the website's server
my $retping =
`/bin/ping6 -i 0.5 -c 2 $_ | grep ' 0% packet loss'`;
chomp $retping;
if(length $retping) {
$dom{$domain}++;
}
}
}
}
sub check_reachability {
say '<!-- ';
for(keys %dom) {
chomp;
test_ipv6 $_;
}
say '--!>';
}
sub do_html {
my @passed = grep { $dom{$_} } keys %dom;
my @notpassed = grep { not $dom{$_} } keys %dom;
say '<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head><body>';
say "<h1> Domaines accessibles en IPv6 (♥) : </h1>";
say "<p>", join(', ', @passed), "</p>";
say "<h1> Mauvais élèves, non accessibles en IPv6 : </h1>";
say "<p>", join(', ', @notpassed), "</p>";
say "</body></html>";
}
get_urls;
check_reachability;
do_html;