#!/usr/bin/perl
# $RedRiver: su.cgi,v 1.3 2007/02/07 17:44:56 andrew Exp $
########################################################################
# su.cgi *** a CGI for Trango SU utilities.
#
# 2007.02.07 #*#*# andrew fresh <andrew@mad-techies.org>
########################################################################
# Copyright (C) 2007 by Andrew Fresh
#
# This program is free software; you can redistribute it and/or modify
# it under the same terms as Perl itself.
########################################################################
use strict;
use warnings;
my $host_file = 'su.yaml';
my $default_mac = '0001DE';
my $default_suid = 'all';
my $default_cir = 256;
my $default_mir = 9999;
my $Start_SUID = 3;
use CGI qw/:standard/;
use File::Basename;
use YAML qw/ LoadFile Dump /;
use Net::Telnet::Trango;
my $me = basename($0);
my $aps = get_aps($host_file);
print header,
start_html('Trango SU Utilities'),
h1('Trango SU Utilities');
if (param()) {
my $AP = param('AP');
unless (exists $aps->{$AP}) {
print h3("AP '$AP' does not exist!");
print end_html;
exit;
}
my $sumac = param('sumac');
$sumac =~ s/[^0-9A-Fa-f]//g;
$sumac = uc($sumac);
my $suid = param('suid');
if (length $sumac == 12) {
add_su($aps->{$AP}, $sumac);
} elsif (length $suid) {
testrflink($aps->{$AP}, $suid);
} else {
print h3("Invalid SUID '$suid' and MAC '$sumac'");
show_form($aps, $default_mac);
}
} else {
show_form($aps, $default_mac);
}
print end_html;
sub get_aps
{
my $file = shift;
my $conf = LoadFile($file);
my %aps;
my @hosts;
foreach my $ap (keys %{ $conf }) {
next if $ap eq 'default';
my $h = $conf->{$ap};
if ($h->{name} =~ /^(\d{1,3}\.\d{1,3}\.\d{1,3}\.)(\d{1,3})-(\d{1,3})/) {
for ($2..$3) {
my %cur_host;
foreach my $k (keys %{ $h }) {
$cur_host{$k} = $h->{$k};
}
$cur_host{name} = $1 . $_;
if (! grep { $cur_host{name} eq $h->{name} } values %aps) {
my $ap_name = $ap . $_;
$aps{ $ap_name } = \%cur_host;
}
}
} else {
$aps{ $ap } = $conf->{$ap};
push @hosts, $h;
}
}
if (ref $conf->{default} eq 'HASH') {
foreach my $ap (keys %aps) {
foreach my $k (keys %{ $conf->{default} }) {
$aps{ $ap }{$k} ||= $conf->{default}->{$k};
}
}
}
return \%aps;
return {
'rrlhcwap0000' => {
name => '192.168.1.1',
password => 'trango',
}
};
}
sub show_form
{
my $aps = shift;
my %cache = ();
my @ap_names = sort {
my @a = $a =~ /(\d+)\.(\d+)\.(\d+)\.(\d+)/;
my @b = $b =~ /(\d+)\.(\d+)\.(\d+)\.(\d+)/;
if (@a) {
$cache{$a} ||= pack('C4' => @a);
} else {
$cache{$a} ||= lc($a);
}
if (@b) {
$cache{$b} ||= pack('C4' => @b);
} else {
$cache{$b} ||= lc($b);
}
$cache{$a} cmp $cache{$b};
} keys %{ $aps };
print p(start_form(-method => 'GET'),
'AP: ', popup_menu(-name=>'AP', -values=>\@ap_names),br,
'SUMAC: ', textfield( -name=>'sumac', -default=>$default_mac),br,
'SUID: ', textfield( -name=>'suid', -default=>$default_suid),br,
submit,
end_form);
print p('Fill in the SUMAC if you wish to add an SU ',
'or fill in the SUID to run an rflinktest.');
return 1;
}
sub login
{
my $host = shift;
my $password = shift;
my $t = new Net::Telnet::Trango ( Timeout => 5 );
#$t->input_log('/tmp/telnet_log');
#$t->dump_log('/tmp/telnet_log');
unless ($t->open( Host => $host )) {
print h3("Error connecting!");
$t->close;
return undef;
}
unless ($t->login( $password ) ) {
print h3("Couldn't log in: $!");
$t->exit;
$t->close;
return undef;
}
return $t;
}
sub add_su
{
my $ap = shift;
my $sumac = shift;
my $t = login($ap->{name}, $ap->{password});
my $cur_sus = $t->sudb_view;
my $new_suid = next_suid($cur_sus);
foreach my $su (@{ $cur_sus }) {
if ($sumac eq $su->{mac}) {
print h3("MAC '$sumac' already in AP '$ap->{name}' " .
"with SUID '$su->{suid}'");
$t->exit;
$t->close;
return undef;
}
}
unless ($t->sudb_add(
$new_suid, 'reg', $default_cir, $default_mir, $sumac
) ) {
print h3("Error adding SU!");
$t->exit;
$t->close;
return undef;
}
my $new_sus = $t->sudb_view;
my $added = 0;
foreach my $su (@{ $new_sus }) {
if ($su->{suid} == $new_suid) {
$added = 1;
last;
}
}
unless ($added) {
print h3("Couldn't add su id: $new_suid");
$t->exit;
$t->close;
return undef;
}
unless ($t->save_sudb) {
print h3("Couldn't save sudb");
$t->exit;
$t->close;
return undef;
}
print p(
"Added new SU with ID '$new_suid' " .
"and MAC '$sumac' " .
"to '$ap->{name}'. " .
'<a href="' . $me . '?' .
'AP=' . $ap->{name} . '&' .
'suid=' . $new_suid .
'">Test SU RFLink</a>'
);
$t->exit;
$t->close;
return 1;
}
sub testrflink
{
my $ap = shift;
my $suid = shift;
my $t = login($ap->{name}, $ap->{password});
my $result = $t->su_testrflink( $suid );
unless ($result) {
print h3("Error testing SU rflink!");
$t->exit;
$t->close;
return undef;
}
my @keys = ('suid', 'AP Tx', 'AP Rx', 'SU Rx');
my @table;
foreach my $su (@{ $result }) {
next unless ref $su eq 'HASH';
next unless exists $su->{suid};
$su->{suid} =~ s/\D//g;
next unless $su->{suid};
push @table, td([ @{ $su }{ @keys } ]);
}
print table({-border=>1,-cellspacing=>0,-cellpadding=>1},
caption($ap->{name} . ': su testrflink ' . $suid),
Tr({-align=>'CENTER', -valign=>'TOP'},
[ th(\@keys), @table ]
)
);
$t->exit;
$t->close;
return 1;
}
sub next_suid
{
my $sudb = shift;
my $next_id = $Start_SUID;
my %ids = map { $_->{suid} => 1 } @{ $sudb };
my $next_key = sprintf('%04d', $next_id);
while (exists $ids{$next_key}) {
$next_id++;
$next_key = sprintf('%04d', $next_id);
}
return $next_id;
}