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