www2.0/www-swagg.pl

92 lines
2.3 KiB
Perl
Executable file

#!/usr/bin/env perl
# Daniel Bowling <swaggboi@slackware.uk>
# Mar 2021
use Mojolicious::Lite;
use Regexp::Common qw{net};
use Digest::SHA qw{sha1_hex};
use Number::Format qw{format_number};
# guest.cgi script
plugin CGI => ['/cgi-bin/guest' => './cgi-bin/guest_mm.cgi'];
# whoami.cgi script
plugin CGI => ['/cgi-bin/whoami' => './cgi-bin/whoami.cgi'];
# The main landing page; pass in the output of the fortune command
get '/' => sub {
my ($c) = @_;
my $count = format_number time; # Grab epoch and add commas
my $fortune = `/usr/games/fortune` || `fortune` || "huh??\n";
$c->stash(
count => $count,
fortune => $fortune
);
$c->render();
} => 'index';
# Deprecation of IE page
get '/die';
get '/me';
get '/news';
# Process mac address to ula6 ala the ol' ula6.cgi script:
# - Current time of day in 64-bit NTP format
# - Obtain EUI64
# - Cat first with second
# - Compute SHA-1 of third and use least significant 40 bits
# TODO: This ancient code could certainly be cleaned up
get '/ula6' => sub {
my ($c) = @_;
my ($mac, $ula6);
# Check the MAC
$mac = ($c->param('macaddr')) ? lc $c->param('macaddr') : '';
if ($mac =~ /$RE{'net'}{'MAC'}/) {
# Local vars for this bit
my (
$binfield,
$decfield,
$digesty,
$epoch,
@fields,
$fulleui,
$halfone,
$halftwo,
$hexfield,
$uniqueid
);
# EUI64
@fields = split(/:/, $mac);
$halfone = $fields[0] . $fields[1] . $fields[2] . "ff";
$halftwo = "fe" . $fields[3] . $fields[4] . $fields[5];
$binfield = sprintf "%b", hex $fields[0];
$decfield = sprintf "%d", hex $fields[0];
$decfield = ($binfield =~ /1[01]$/) ? $decfield - 2 : $decfield + 2;
$hexfield = sprintf "%x", int $decfield;
$halfone = $hexfield . $fields[1] . $fields[2] . "ff";
$fulleui = $halfone . $halftwo;
# Current time of day
$epoch = time() + 2208988800;
# Cat with the time
$digesty = sha1_hex($epoch . $fulleui);
($uniqueid = "fd" . substr $digesty, -10) =~ s/(.{1,4})/$1:/g;
# Set the ULA
$ula6 = $uniqueid . ':/48';
}
$c->render(ula6 => $ula6);
};
# Send it
app->start();