#!/usr/bin/perl
#
# Exit codes;
# 0 == OK
# 1 == Host UUID not available yet.
# 
# TODO: 
# * Make the BCN count a thing, remove Striker user and make it statically 'admin'.
# 

use strict;
use warnings;
use Anvil::Tools;
use Data::Dumper;
use NetAddr::IP;

# Turn off buffering
$| = 1;

my $THIS_FILE           =  ($0 =~ /^.*\/(.*)$/)[0];
my $running_directory   =  ($0 =~ /^(.*?)\/$THIS_FILE$/)[0];
if (($running_directory =~ /^\./) && ($ENV{PWD}))
{
	$running_directory =~ s/^\./$ENV{PWD}/;
}

my $anvil = Anvil::Tools->new();

# Print the html headers, with a new line to break the header from the body.
print $anvil->Template->get({file => "shared.html", name => "http_headers"})."\n";

# Set the log level to 2. Setting 3 slows he program down a LOT.
$anvil->Log->level({set => 2});

# Read the config and then connect to the database.
$anvil->Storage->read_config();

# Make sure I can read the host UUID.
if (not $anvil->Get->host_uuid)
{
	# Too early, exit.
	print $anvil->Words->string({key => "error_0002"});
	$anvil->nice_exit({exit_code => 1});
}

my $connections = $anvil->Database->connect({
	sql_file   => $anvil->data->{sys}{database}{schema},
	test_table => "network_interfaces", 
});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0132", variables => { connections => $connections }});
if (not $connections)
{
	# No databases, exit.
	print $anvil->Words->string({key => "error_0003"});
	$anvil->nice_exit({exit_code => 2});
}

# Turn off buffering so that the pinwheel will display while waiting for the SSH call(s) to complete.
$| = 1;

### Setup some variables.
$anvil->data->{form}{error_massage} = " ";
## Network stuff... The second octet auto-increments to handle N-number of netowrks. As such, we need to use
##                  a wider spread between the BCNs, SNs and IFNs than we had in v2.
# BCN starts at 10.(0+n)/16
$anvil->data->{'default'}{bcn}{subnet}         = "10.0.0.0";
$anvil->data->{'default'}{bcn}{netmask}        = "255.255.0.0";
$anvil->data->{'default'}{bcn}{pdu_octet3}     = "1";
$anvil->data->{'default'}{bcn}{ups_octet3}     = "2";
$anvil->data->{'default'}{bcn}{switch_octet3}  = "3";
$anvil->data->{'default'}{bcn}{striker_octet3} = "4";
# SN starts at 10.(40+n)/16
$anvil->data->{'default'}{sn}{subnet}  = "10.40.0.0";
$anvil->data->{'default'}{sn}{netmask} = "255.255.0.0";
# IFN starts at 10.(80+)/16
$anvil->data->{'default'}{ifn}{subnet}  = "10.80.0.0";
$anvil->data->{'default'}{ifn}{netmask} = "255.255.0.0";

# Read in any CGI variables, if needed.
$anvil->Get->cgi();

$anvil->data->{skin}{url} = $anvil->data->{path}{urls}{skins}."/".$anvil->Template->skin;
my $header = $anvil->Template->get({file => "main.html", name => "header", variables => { language => $anvil->Words->language }});
my $body   = "";

# If any jobs are pending/running, show the "unavailable" option.
my $available = check_availability($anvil);
if (not $available)
{
	# Set the body to 'say::maintenance'.
	$body = $anvil->data->{say}{maintenance};
}
else
{
	# This will be true when the dashboard is unconfigured.
	if (not $anvil->data->{cgi}{step}{value})
	{
		$body = config_step1($anvil);
	}
	elsif ($anvil->data->{cgi}{step}{value} eq "step1")
	{
		# Sanity check step1.
		my $sane = sanity_check_step1($anvil);
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { sane => $sane }});
		if ($sane)
		{
			# Step 1 was sane, show step 2.
			$body = config_step2($anvil);
		}
		else
		{
			# No good
			$body = config_step1($anvil);
		}
	}
	elsif ($anvil->data->{cgi}{step}{value} eq "step2")
	{
		# Sanity check step1.
		my $sane = sanity_check_step2($anvil);
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { sane => $sane }});
		if ($sane)
		{
			# Step 2 was sane, show step 3.
			$body = config_step3($anvil);
		}
		else
		{
			# No good
			$body = config_step2($anvil);
		}
	}
	elsif ($anvil->data->{cgi}{step}{value} eq "step3")
	{
		# User has confirmed, update the system!
		$body = save_job($anvil);
	}
	else
	{
		$body = get_network_details_form($anvil);
	}
}
my $buttons = $anvil->Template->get({file => "main.html", name => "button_bar"});
my $footer  = $anvil->Template->get({file => "main.html", name => "footer"});

# Display the page.
my $template = $anvil->Template->get({file => "main.html", name => "master", variables => {
	header            => $header,
	skin_url          => $anvil->data->{path}{urls}{skins}."/".$anvil->Template->skin,
	left_top_bar      => " ",
	center_top_bar    => $anvil->data->{form}{error_massage},
	right_top_bar     => $buttons,
	center_body       => $body,
	left_bottom_bar   => " ",
	center_bottom_bar => " ",
	right_bottom_bar  => " ",
	footer            => $footer,
}});

print $template;

$anvil->nice_exit({exit_code => 0});


#############################################################################################################
# Functions                                                                                                 #
#############################################################################################################

# This checks to see if anything is running that requires Striker being unavailable. If not, this returns
# '1'. If there is a job pending/running, it returns '0'
sub check_availability
{
	my ($anvil) = @_;
	
	my $available = 1;
	my $query = "SELECT count(*) FROM jobs WHERE job_name = 'configure::network' AND job_progress != 100 AND job_host_uuid = ".$anvil->data->{sys}{use_db_fh}->quote($anvil->Get->host_uuid).";";
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { query => $query }});
	
	my $count = $anvil->Database->query({query => $query, source => $THIS_FILE, line => __LINE__})->[0]->[0];
	   $count = 0 if not defined $count;
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { count => $count }});
	if ($count)
	{
		# We're waiting for the network configuration
		$available = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { available => $available }});
		
		$anvil->data->{say}{maintenance} = $anvil->Template->get({file => "main.html", name => "striker-offline", variables => {
			title_id    => "",
			message_id  => "",
			title       => "#!string!striker_0046!#",
			description => "#!string!striker_0047!#",
		}});
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 'say::maintenance' => $anvil->data->{say}{maintenance} }});
	}
	
	return($available);
}

# This requests the job to reconfigure the network be run
sub save_job
{
	my ($anvil) = @_;
	
	# Record the job!
	my ($job_uuid) = $anvil->Database->insert_or_update_jobs({
		debug           => 2,
		file            => $THIS_FILE, 
		line            => __LINE__, 
		job_command     => "anvil-configure-network", 
		job_data        => "form::config_step2", 
		job_name        => "configure::network", 
		job_title       => "job_0001", 
		job_description => "job_0002", 
	});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { job_uuid => $job_uuid }});
	
	# TODO: Check that a job_uuid was returned and warn of a problem if not.
	my $say_title      = "#!string!striker_0044!#";
	my $say_desciption = "#!string!striker_0045!#";
	
	# We don't need to store anything as hidden variables, we'll read it back from the database later.
	my $job_recorded_body = $anvil->Template->get({file => "main.html", name => "network_job_recorded", variables => {
		title_id    => "",
		message_id  => "",
		title       => $say_title,
		description => $say_desciption,
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { job_recorded_body => $job_recorded_body }});
	
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { job_uuid => $job_uuid }});
	return($job_recorded_body);
}

# This shows the user what is about to be done and asks the user to confirm.
sub config_step3
{
	my ($anvil) = @_;
	
	# Read in all the variables from the database. We don't care what was passed, the data in the 
	# database has been tested and is more valid than, say, a manipulated URL.
	my $cgi   = "";
	my $nets  = {};
	my $query = "
SELECT 
    variable_name, 
    variable_value 
FROM 
    variables 
WHERE 
    (variable_section = 'config_step1' OR variable_section = 'config_step2') 
AND 
    variable_source_table = 'hosts' 
AND 
    variable_source_uuid = ".$anvil->data->{sys}{use_db_fh}->quote($anvil->Get->host_uuid)." 
ORDER BY 
    variable_name ASC;";
	$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0124", variables => { query => $query }});
	
	my $results = $anvil->Database->query({query => $query, source => $THIS_FILE, line => __LINE__});
	my $count   = @{$results};
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
		results => $results, 
		count   => $count,
	}});
	foreach my $row (@{$results})
	{
		my $variable_name  =         $row->[0];
		my $variable_value = defined $row->[1] ? $row->[1] : "";
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			variable_name  => $variable_name, 
			variable_value => $variable_value, 
		}});
	
		if ($variable_name =~ /form::config_step2::(.*?)::value/)
		{
			my $variable                          =  $1;
			   $cgi                               .= $variable.",";
			   $anvil->data->{cgi}{$variable}{value} =  $variable_value;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "cgi::${variable}::value" => $anvil->data->{cgi}{$variable}{value} }});
			
			if (($variable =~ /^(bcn\d+)_/) or ($variable =~ /^(ifn\d+)_/))
			{
				my $this_net          = $1;
				   $nets->{$this_net} = 1;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "nets->this_net" => $nets->{$this_net} }});
			}
		}
	}
	
	#foreach my $key (sort {$a cmp $b} keys %ENV) { $anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { "ENV{$key}" => $ENV{$key} }}); }
	
	# Get the list of current IPs so that we can warn the user if committing the changes will require 
	# reconnecting.
	$anvil->System->get_ips;
	my $matched_ip = 0;
	my $server_ip  = $ENV{SERVER_ADDR};
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { server_ip => $server_ip }});
	
	# We'll need ot show how networks will be configured. This depends on;
	# 1. Is it a bonded or single interface?
	# 2. Is it the interface with the gateway?
	# 3. If no gateway or DNS was specified, alert that there will be no outside access.
	get_network_details($anvil);
	my $networks = "";
	foreach my $this_net (sort {$a cmp $b} keys %{$nets})
	{
		my $ip_key      = $this_net."_ip";
		my $subnet_key  = $this_net."_subnet";
		my $iface1_key  = $this_net."_iface1_mac";
		my $iface2_key  = $this_net."_iface2_mac";
		my $ip          = $anvil->data->{cgi}{$ip_key}{value};
		my $subnet      = $anvil->data->{cgi}{$subnet_key}{value};
		my $iface1_mac  = $anvil->data->{cgi}{$iface1_key}{value};
		my $iface2_mac  = ((defined $anvil->data->{cgi}{$iface2_key}{value}) && ($anvil->data->{cgi}{$iface2_key}{value})) ? $anvil->data->{cgi}{$iface2_key}{value} : "";
		my $template    = $iface2_mac ? "step3_bonded_interface" : "step3_single_interface";
		my $gateway     = $anvil->data->{cgi}{gateway_interface}{value} eq $this_net ? 1 : 0;
		my $link_number = ($this_net =~ /n(\d+)$/)[0];
		my $column      = $this_net =~ /^bcn/ ? "striker_0018" : "striker_0022";
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			"s1:nets->this_net" => $nets->{$this_net},
			"s2:ip"             => $ip,
			"s3:subnet"         => $subnet,
			"s4:iface1_mac"     => $iface1_mac,
			"s5:iface2_mac"     => $iface2_mac,
			"s6:template"       => $template,
			"s7:gateway"        => $gateway,
			"s8:link_number"    => $link_number, 
		}});
		
		# Add to the networks template.
		my $say_ip = $ip."/".$subnet;
		if (($gateway) && ($anvil->data->{cgi}{gateway}{value}))
		{
			$template                       .= "_with_gateway";
			$anvil->data->{cgi}{dns}{value} =  "--" if not $anvil->data->{cgi}{dns}{value};
		}
		$networks .= $anvil->Template->get({file => "main.html", name => $template, variables => {
			column     => $anvil->Words->string({key => $column, variables => { number => $link_number }}),
			ip_address => $say_ip,
			ip         => $ip,
			subnet     => $subnet,
			primary    => $iface1_mac,
			backup     => $iface2_mac,
			gateway    => $anvil->data->{cgi}{gateway}{value}, 
			dns        => $anvil->data->{cgi}{dns}{value}, 
		}})."\n";
		
		# Does this interface's IP match the active one?
		if ($server_ip eq $ip)
		{
			# Yup! No need to warn the user
			$matched_ip = 1;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { matched_ip => $matched_ip }});
		}
	}
	
	# If the IP is going to change, warn the user.
	if (not $matched_ip)
	{
		$anvil->data->{form}{error_massage} = $anvil->Template->get({file => "main.html", name => "error_message", variables => { error_message => $anvil->Words->string({key => "striker_warning_0001"}) }});
	}
	
	# We don't need to store anything as hidden variables, we'll read it back from the database later.
	my $step3_body = $anvil->Template->get({file => "main.html", name => "config_step3", variables => {
		step1_welcome_title_id   => "",
		step1_welcome_message_id => "",
		organization             => $anvil->data->{cgi}{organization}{value},
		prefix                   => $anvil->data->{cgi}{prefix}{value},
		domain                   => $anvil->data->{cgi}{domain}{value},
		striker_user             => $anvil->data->{cgi}{striker_user}{value},
		striker_password         => $anvil->data->{cgi}{striker_password}{value},
		networks                 => $networks,
		cgi_list                 => $cgi."step",
		show_name                => 1,
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { step3_body => $step3_body }});
	
	return($step3_body);
}

# This is step2 where the user maps their network.
sub config_step2
{
	my ($anvil) = @_;
	
	# If I am coming from stage 1, load any values from the database, if they exist.
	if ($anvil->data->{cgi}{step}{value} eq "step1")
	{
		# First load. See if we can read old data. We don't know for sure what variables will have
		# been set, so we'll load anything from the group 'config_step2'.
		my $query = "
SELECT 
    variable_name, 
    variable_value 
FROM 
    variables 
WHERE 
    variable_section = 'config_step2' 
AND 
    variable_source_table = 'hosts' 
AND 
    variable_source_uuid = ".$anvil->data->{sys}{use_db_fh}->quote($anvil->Get->host_uuid)." 
ORDER BY 
    variable_name ASC;";
		$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 3, key => "log_0124", variables => { query => $query }});
		
		my $results = $anvil->Database->query({query => $query, source => $THIS_FILE, line => __LINE__});
		my $count   = @{$results};
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
			results => $results, 
			count   => $count,
		}});
		foreach my $row (@{$results})
		{
			my $variable_name  =         $row->[0];
			my $variable_value = defined $row->[1] ? $row->[1] : "";
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
				variable_name  => $variable_name, 
				variable_value => $variable_value, 
			}});
		
			if ($variable_name =~ /form::config_step2::(.*?)::value/)
			{
				my $variable                          = $1;
				   $anvil->data->{cgi}{$variable}{value} = $variable_value;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { "cgi::${variable}::value" => $anvil->data->{cgi}{$variable}{value} }});
			}
		}
	}
	
	# We need to decide how many IFNs there is, decide if we have enough NICs and then build the form 
	# either complaining about insufficient NICs or a list of interfaces (single or bond, depending on
	# iface count), the IPs to assign and mapping MACs to ifaces. We'll also offer an option to 
	# "blind-map" as we did in v2.
	get_network_details($anvil);
	my $required_interfaces_for_single = 1 + $anvil->data->{cgi}{ifn_count}{value};
	my $required_interfaces_for_bonds  = 2 * $required_interfaces_for_single;
	my $interface_count                = keys %{$anvil->data->{interfaces}};
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
		required_interfaces_for_single => $required_interfaces_for_single,
		required_interfaces_for_bonds  => $required_interfaces_for_bonds,
		interface_count                => $interface_count,
	}});
	
	my $interface_options = [];
	foreach my $interface (sort {$a cmp $b} keys %{$anvil->data->{interfaces}})
	{
		my $this_mac = $anvil->data->{interfaces}{$interface}{mac};
		push @{$interface_options}, $this_mac."#!#".$this_mac." (".$interface.")";
	}
	
	my $problem        = 0;
	my $interface_form = "";
	my $cgi            = "";
	my $links          = [];
	if ($interface_count >= $required_interfaces_for_bonds)
	{
		### Show the bonded ifaces form.
		# BCN
		my $bcn_count = $anvil->data->{cgi}{bcn_count}{value} ? $anvil->data->{cgi}{bcn_count}{value} : 1;
		foreach my $bcn (1..$bcn_count)
		{
			push @{$links}, "bcn_link".$bcn;
			my $this_ip_key       =  "bcn".$bcn."_ip";
			my $this_subnet_key   =  "bcn".$bcn."_subnet";
			my $this_iface1_key   =  "bcn".$bcn."_iface1_mac";
			my $this_iface2_key   =  "bcn".$bcn."_iface2_mac";
			   $cgi               .= $this_ip_key.",".$this_subnet_key.",".$this_iface1_key.",".$this_iface2_key.",";
			my $this_ip           =  generate_ip($anvil, "bcn", $bcn, $anvil->data->{cgi}{sequence}{value});
			my $this_ip_class     =  $anvil->data->{cgi}{$this_ip_key}{alert} ? "input_alert" : "input_clear";
			my $this_subnet_class =  $anvil->data->{cgi}{$this_subnet_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface1_class =  $anvil->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface2_class =  $anvil->data->{cgi}{$this_iface2_key}{alert} ? "input_alert" : "input_clear";
			
			# Build the interface select boxes...
			my $this_iface1_form = $anvil->Template->select_form({
				name     => $this_iface1_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $anvil->data->{cgi}{$this_iface1_key}{value} ? $anvil->data->{cgi}{$this_iface1_key}{value} : "",
				class    => $anvil->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear",
			});
			my $this_iface2_form = $anvil->Template->select_form({
				name     => $this_iface2_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $anvil->data->{cgi}{$this_iface2_key}{value} ? $anvil->data->{cgi}{$this_iface2_key}{value} : "",
				class    => $anvil->data->{cgi}{$this_iface2_key}{alert} ? "input_alert" : "input_clear",
			});
			
			# Assemble the form
			$interface_form .= $anvil->Template->get({file => "main.html", name => "bonded_interface_form", variables => {
				field         => $anvil->Words->string({key => "striker_0018", variables => { number => $bcn }}),
				description   => "#!string!striker_0019!#",
				ip_key        => $this_ip_key,
				ip_value      => defined $anvil->data->{cgi}{$this_ip_key}{value} ? $anvil->data->{cgi}{$this_ip_key}{value} : $this_ip,
				ip_class      => $this_ip_class,
				subnet_key    => $this_subnet_key, 
				subnet_value  => defined $anvil->data->{cgi}{$this_subnet_key}{value} ? $anvil->data->{cgi}{$this_subnet_key}{value} : $anvil->data->{'default'}{bcn}{netmask},
				subnet_class  => $this_subnet_class,
				iface1_select => $this_iface1_form,
				iface2_select => $this_iface2_form,
			}});
		}
		
		# IFN
		my $ifn_count = $anvil->data->{cgi}{ifn_count}{value} ? $anvil->data->{cgi}{ifn_count}{value} : 1;
		foreach my $ifn (1..$ifn_count)
		{
			push @{$links}, "ifn_link".$ifn;
			my $this_ip_key       =  "ifn".$ifn."_ip";
			my $this_subnet_key   =  "ifn".$ifn."_subnet";
			my $this_iface1_key   =  "ifn".$ifn."_iface1_mac";
			my $this_iface2_key   =  "ifn".$ifn."_iface2_mac";
			   $cgi               .= $this_ip_key.",".$this_subnet_key.",".$this_iface1_key.",".$this_iface2_key.",";
			my $this_ip           =  generate_ip($anvil, "ifn", $ifn, $anvil->data->{cgi}{sequence}{value});
			my $this_ip_class     =  $anvil->data->{cgi}{$this_ip_key}{alert} ? "input_alert" : "input_clear";
			my $this_subnet_class =  $anvil->data->{cgi}{$this_subnet_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface1_class =  $anvil->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface2_class =  $anvil->data->{cgi}{$this_iface2_key}{alert} ? "input_alert" : "input_clear";
			
			# Build the interface select boxes...
			my $this_iface1_form = $anvil->Template->select_form({
				name     => $this_iface1_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $anvil->data->{cgi}{$this_iface1_key}{value} ? $anvil->data->{cgi}{$this_iface1_key}{value} : "",
				class    => $anvil->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear",
			});
			my $this_iface2_form = $anvil->Template->select_form({
				name     => $this_iface2_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $anvil->data->{cgi}{$this_iface2_key}{value} ? $anvil->data->{cgi}{$this_iface2_key}{value} : "",
				class    => $anvil->data->{cgi}{$this_iface2_key}{alert} ? "input_alert" : "input_clear",
			});
			
			# Assemble the form
			$interface_form .= $anvil->Template->get({file => "main.html", name => "bonded_interface_form", variables => {
				field         => $anvil->Words->string({key => "striker_0022", variables => { number => $ifn }}),
				description   => "#!string!striker_0023!#",
				ip_key        => $this_ip_key,
				ip_value      => defined $anvil->data->{cgi}{$this_ip_key}{value} ? $anvil->data->{cgi}{$this_ip_key}{value} : $this_ip,
				ip_class      => $this_ip_class,
				subnet_key    => $this_subnet_key, 
				subnet_value  => defined $anvil->data->{cgi}{$this_subnet_key}{value} ? $anvil->data->{cgi}{$this_subnet_key}{value} : $anvil->data->{'default'}{ifn}{netmask},
				subnet_class  => $this_subnet_class,
				iface1_select => $this_iface1_form,
				iface2_select => $this_iface2_form,
			}});
		}
	}
	else
	{
		### Show the single iface per network form.
		# BCN
		my $bcn_count = $anvil->data->{cgi}{bcn_count}{value} ? $anvil->data->{cgi}{bcn_count}{value} : 1;
		foreach my $bcn (1..$bcn_count)
		{
			push @{$links}, "bcn_link".$bcn;
			my $this_ip_key       =  "bcn".$bcn."_ip";
			my $this_subnet_key   =  "bcn".$bcn."_subnet";
			my $this_iface1_key   =  "bcn".$bcn."_iface1_mac";
			   $cgi               .= $this_ip_key.",".$this_subnet_key.",".$this_iface1_key.",";
			my $this_ip           =  generate_ip($anvil, "bcn", $bcn, $anvil->data->{cgi}{sequence}{value});
			my $this_ip_class     =  $anvil->data->{cgi}{$this_ip_key}{alert} ? "input_alert" : "input_clear";
			my $this_subnet_class =  $anvil->data->{cgi}{$this_subnet_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface1_class =  $anvil->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear";
			
			# Build the interface select boxes...
			my $this_iface1_form = $anvil->Template->select_form({
				name     => $this_iface1_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $anvil->data->{cgi}{$this_iface1_key}{value} ? $anvil->data->{cgi}{$this_iface1_key}{value} : "",
				class    => $anvil->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear",
			});
			
			# Assemble the form
			$interface_form .= $anvil->Template->get({file => "main.html", name => "single_interface_form", variables => {
				field         => $anvil->Words->string({key => "striker_0018", variables => { number => $bcn }}),
				description   => "#!string!striker_0019!#",
				ip_key        => $this_ip_key,
				ip_value      => defined $anvil->data->{cgi}{$this_ip_key}{value} ? $anvil->data->{cgi}{$this_ip_key}{value} : $this_ip,
				ip_class      => $this_ip_class,
				subnet_key    => $this_subnet_key, 
				subnet_value  => defined $anvil->data->{cgi}{$this_subnet_key}{value} ? $anvil->data->{cgi}{$this_subnet_key}{value} : $anvil->data->{'default'}{bcn}{netmask},
				subnet_class  => $this_subnet_class,
				iface1_select => $this_iface1_form,
			}});
		}
		
		# IFN
		my $ifn_count = $anvil->data->{cgi}{ifn_count}{value} ? $anvil->data->{cgi}{ifn_count}{value} : 1;
		foreach my $ifn (1..$ifn_count)
		{
			push @{$links}, "ifn_link".$ifn;
			my $this_ip_key       =  "ifn".$ifn."_ip";
			my $this_subnet_key   =  "ifn".$ifn."_subnet";
			my $this_iface1_key   =  "ifn".$ifn."_iface1_mac";
			   $cgi               .= $this_ip_key.",".$this_subnet_key.",".$this_iface1_key.",";
			my $this_ip           =  generate_ip($anvil, "ifn", $ifn, $anvil->data->{cgi}{sequence}{value});
			my $this_ip_class     =  $anvil->data->{cgi}{$this_ip_key}{alert} ? "input_alert" : "input_clear";
			my $this_subnet_class =  $anvil->data->{cgi}{$this_subnet_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface1_class =  $anvil->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear";
			
			# Build the interface select boxes...
			my $this_iface1_form = $anvil->Template->select_form({
				name     => $this_iface1_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $anvil->data->{cgi}{$this_iface1_key}{value} ? $anvil->data->{cgi}{$this_iface1_key}{value} : "",
				class    => $anvil->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear",
			});
			
			# Assemble the form
			$interface_form .= $anvil->Template->get({file => "main.html", name => "single_interface_form", variables => {
				field         => $anvil->Words->string({key => "striker_0022", variables => { number => $ifn }}),
				description   => "#!string!striker_0023!#",
				ip_key        => $this_ip_key,
				ip_value      => defined $anvil->data->{cgi}{$this_ip_key}{value} ? $anvil->data->{cgi}{$this_ip_key}{value} : $this_ip,
				ip_class      => $this_ip_class,
				subnet_key    => $this_subnet_key, 
				subnet_value  => defined $anvil->data->{cgi}{$this_subnet_key}{value} ? $anvil->data->{cgi}{$this_subnet_key}{value} : $anvil->data->{'default'}{ifn}{netmask},
				subnet_class  => $this_subnet_class,
				iface1_select => $this_iface1_form,
			}});
		}
	}
	
	### TODO: Add a form for Gateway, DNS and which interface to use
	# Gateway
	my $say_default_gateway = "";
	my $gateway_class       = $anvil->data->{cgi}{gateway}{alert} ? "input_alert" : "input_clear";
	my $say_gateway         = $anvil->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "gateway",
		id          => "gateway",
		field       => "#!string!striker_0035!#",
		description => "#!string!striker_0036!#",
		value       => defined $anvil->data->{cgi}{gateway}{value} ? $anvil->data->{cgi}{gateway}{value} : $say_default_gateway,
		class       => $gateway_class,
		extra       => "",
	}});
	
	# DNS
	my $dns_class       = $anvil->data->{cgi}{dns}{alert} ? "input_alert" : "input_clear";
	my $say_dns         = $anvil->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "dns",
		id          => "dns",
		field       => "#!string!striker_0037!#",
		description => "#!string!striker_0038!#",
		value       => defined $anvil->data->{cgi}{dns}{value} ? $anvil->data->{cgi}{dns}{value} : "8.8.8.8, 8.8.4.4",
		class       => $dns_class,
		extra       => "",
	}});
	
	# Which interface gets the route?
	my $default_dg_iface = defined $anvil->data->{cgi}{dg_iface}{value} ? $anvil->data->{cgi}{dg_iface}{value} : "ifn_link1";
	my $dg_iface_select  = $anvil->Template->select_form({
		name     => "dg_iface",
		options  => $links,
		blank    => 0,
		selected => $default_dg_iface,
		class    => $anvil->data->{cgi}{dg_iface}{alert} ? "input_alert" : "input_clear",
	});
	my $dg_iface_class = $anvil->data->{cgi}{dg_iface}{alert} ? "input_alert" : "input_clear";
	my $say_dg_iface   = $anvil->Template->get({file => "main.html", name => "input_select_form", variables => {
		field       => "#!string!striker_0039!#",
		description => "#!string!striker_0040!#",
		'select'    => "",
	}});
	
	# Hostname
	my $say_default_hostname = $anvil->data->{cgi}{prefix}{value}."-striker0".$anvil->data->{cgi}{sequence}{value}.".".$anvil->data->{cgi}{domain}{value};
	my $hostname_class       = $anvil->data->{cgi}{hostname}{alert} ? "input_alert" : "input_clear";
	my $say_hostname         = $anvil->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "hostname",
		id          => "hostname",
		field       => "#!string!striker_0016!#",
		description => "#!string!striker_0017!#",
		value       => defined $anvil->data->{cgi}{hostname}{value} ? $anvil->data->{cgi}{hostname}{value} : $say_default_hostname,
		class       => $hostname_class,
		extra       => "",
	}});
	
	# Admin user
	my $say_default_striker_user = "striker";
	my $striker_user_class       = $anvil->data->{cgi}{striker_user}{alert} ? "input_alert" : "input_clear";
	my $say_striker_user         = $anvil->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "striker_user",
		id          => "striker_user",
		field       => "#!string!striker_0031!#",
		description => "#!string!striker_0032!#",
		value       => defined $anvil->data->{cgi}{striker_user}{value} ? $anvil->data->{cgi}{striker_user}{value} : $say_default_striker_user,
		class       => $striker_user_class,
		extra       => "",
	}});
	
	# Password
	my $say_default_striker_password = "";
	my $striker_password_class       = $anvil->data->{cgi}{striker_password}{alert} ? "input_alert" : "input_clear";
	my $say_striker_password         = $anvil->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "striker_password",
		id          => "striker_password",
		field       => "#!string!striker_0033!#",
		description => "#!string!striker_0034!#",
		value       => defined $anvil->data->{cgi}{striker_password}{value} ? $anvil->data->{cgi}{striker_password}{value} : $say_default_striker_password,
		class       => $striker_password_class,
		extra       => "",
	}});
	
	
	
	# Get the table that shows the current interface states.
	my $interface_states = get_network_details_form($anvil);
	
	# Store the previous CGI variables and display the new fields.
	my $step2_body = $anvil->Template->get({file => "main.html", name => "config_step2", variables => {
		step1_welcome_title_id   => "",
		step1_welcome_message_id => "",
		organization             => $anvil->data->{cgi}{organization}{value},
		prefix                   => $anvil->data->{cgi}{prefix}{value},
		domain                   => $anvil->data->{cgi}{domain}{value},
		sequence                 => $anvil->data->{cgi}{sequence}{value},
		bcn_count                => $anvil->data->{cgi}{bcn_count}{value},
		ifn_count                => $anvil->data->{cgi}{ifn_count}{value},
		interface_form           => $interface_form,
		interface_states         => $interface_states,
		striker_user_form        => $say_striker_user,
		striker_password_form    => $say_striker_password,
		gateway_form             => $say_gateway,
		dns_form                 => $say_dns,
		hostname_form            => $say_hostname,
		cgi_list                 => $cgi."organization,prefix,domain,sequence,bcn_count,ifn_count,gateway,hostname,dns,striker_user,striker_password",
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { step2_body => $step2_body }});
	
	return($step2_body);
}

# This sanity-checks step 2 and returns '1' if there was a problem.
sub sanity_check_step2
{
	my ($anvil) = @_;
	
	# This will flip if we run into a problem.
	my $sane = 1;
	
	# Do we have a host name, striker user and password?
	if (not $anvil->Validate->form_field({name => "hostname", type => "domain_name"}))
	{
		$sane = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane }});
	}
	else
	{
		# Record the answer.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step2::hostname::value", 
			variable_value        => $anvil->data->{cgi}{hostname}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0017", 
			variable_section      => "config_step2", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# The user name
	if ((not defined $anvil->data->{cgi}{striker_user}{value}) or (not $anvil->data->{cgi}{striker_user}{value}))
	{
		$anvil->data->{cgi}{striker_user}{alert} = 1;
		$sane                                 = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::striker_user::alert" => $anvil->data->{cgi}{striker_user}{alert} }});
	}
	else
	{
		# Record the answer.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step2::striker_user::value", 
			variable_value        => $anvil->data->{cgi}{striker_user}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0032", 
			variable_section      => "config_step2", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# The password
	if ((not defined $anvil->data->{cgi}{striker_password}{value}) or (not $anvil->data->{cgi}{striker_password}{value}) or (length($anvil->data->{cgi}{striker_password}{value}) < 6))
	{
		$anvil->data->{cgi}{striker_password}{alert} = 1;
		$sane                                     = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::striker_password::alert" => $anvil->data->{cgi}{striker_password}{alert} }});
	}
	else
	{
		# Record the answer.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step2::striker_password::value", 
			variable_value        => $anvil->data->{cgi}{striker_password}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0034", 
			variable_section      => "config_step2", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# DNS can be multiple entries, comma-separated. It can also be blank, if the user doesn't need Internet access.
	my $dns_ok = 1;
	if ((defined $anvil->data->{cgi}{dns}{value}) and ($anvil->data->{cgi}{dns}{value}))
	{
		foreach my $ip (split/,/, $anvil->data->{cgi}{dns}{value})
		{
			$ip =~ s/^\s+//;
			$ip =~ s/\s+$//;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { ip => $ip }});
			if (not $anvil->Validate->is_ipv4({ip => $ip}))
			{
				$anvil->data->{cgi}{dns}{alert} = 1;
				$sane                        = 0;
				$dns_ok                      = 0;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, dns_ok => $dns_ok, "cgi::dns::alert" => $anvil->data->{cgi}{dns}{alert} }});
			}
		}
	}
	if ($dns_ok)
	{
		# Record the answer.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step2::dns::value", 
			variable_value        => $anvil->data->{cgi}{dns}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0038", 
			variable_section      => "config_step2", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# Look for interfaces and sanity check them.
	my $networks = {};
	foreach my $network ("bcn", "ifn")
	{
		my $count_key     = $network."_count";
		my $network_count = $anvil->data->{cgi}{$count_key}{value} ? $anvil->data->{cgi}{$count_key}{value} : 1;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
			network       => $network,
			count_key     => $count_key, 
			network_count => $network_count, 
		}});
		foreach my $count (1..$network_count)
		{
			my $this_network    = $network.$count;
			my $this_ip_key     = $this_network."_ip";
			my $this_subnet_key = $this_network."_subnet";
			my $this_iface1_key = $this_network."_iface1_mac";
			my $this_iface2_key = $this_network."_iface2_mac";
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
				count                            => $count,
				this_ip_key                      => $this_ip_key, 
				this_subnet_key                  => $this_subnet_key, 
				this_iface1_key                  => $this_iface1_key,
				this_iface2_key                  => $this_iface2_key,
				"cgi::${this_ip_key}::value"     => $anvil->data->{cgi}{$this_ip_key}{value}, 
				"cgi::${this_subnet_key}::value" => $anvil->data->{cgi}{$this_subnet_key}{value}, 
				"cgi::${this_iface1_key}::value" => $anvil->data->{cgi}{$this_iface1_key}{value},
				"cgi::${this_iface2_key}::value" => $anvil->data->{cgi}{$this_iface2_key}{value},
			}});
			
			# Is the IP sane?
			my $ip_ok = 1;
			if (not $anvil->Validate->form_field({name => $this_ip_key, type => "ipv4"}))
			{
				# Nope
				$sane  = 0;
				$ip_ok = 0;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, ip_ok => $ip_ok }});
			}
			else
			{
				# Save the IP
				$anvil->Database->insert_or_update_variables({
					variable_name         => "form::config_step2::${this_ip_key}::value", 
					variable_value        => $anvil->data->{cgi}{$this_ip_key}{value}, 
					variable_default      => "", 
					variable_description  => "striker_0024", 
					variable_section      => "config_step2", 
					variable_source_uuid  => $anvil->Get->host_uuid, 
					variable_source_table => "hosts", 
					update_value_only     => 1, 
				});
			}
			
			# What about the subnet?
			if (not $anvil->Validate->form_field({name => $this_subnet_key, type => "subnet"}))
			{
				$sane = 0;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane }});
			}
			elsif ($ip_ok)
			{
				# We'll use the dotted-decimal subnet. If it already is, great. If not, convert it.
				my $say_subnet = $anvil->data->{cgi}{$this_subnet_key}{value} =~ /^\d{1,2}$/ ? $anvil->Convert->cide({cidr => $anvil->data->{cgi}{$this_subnet_key}{value}}) : $anvil->data->{cgi}{$this_subnet_key}{value};
				my $full_ip    = $anvil->data->{cgi}{$this_ip_key}{value}."/".$anvil->data->{cgi}{$this_subnet_key}{value};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_subnet => $say_subnet, full_ip => $full_ip }});
				
				$networks->{$this_network} = $full_ip;
				
				# Save the subnet
				$anvil->Database->insert_or_update_variables({
					variable_name         => "form::config_step2::${this_subnet_key}::value", 
					variable_value        => $anvil->data->{cgi}{$this_subnet_key}{value}, 
					variable_default      => "", 
					variable_description  => "striker_0025", 
					variable_section      => "config_step2", 
					variable_source_uuid  => $anvil->Get->host_uuid, 
					variable_source_table => "hosts", 
					update_value_only     => 1, 
				});
			}
			
			# Interface 1 must be set
			if (not $anvil->Validate->form_field({name => $this_iface1_key, type => "mac"}))
			{
				$sane = 0;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane }});
			}
			else
			{
				# Valid MAC. Has it been assigned elsewhere?
				my $mac = $anvil->data->{cgi}{$this_iface1_key}{value};
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { mac => $mac }});
				if ((not exists $anvil->data->{network}{$mac}{set_as}) or (not $anvil->data->{network}{$mac}{set_as}))
				{
					$anvil->data->{network}{$mac}{set_as} = $this_iface1_key;
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { "network::${mac}::set_as" => $anvil->data->{network}{$mac}{set_as} }});
					
					# Record the answer.
					$anvil->Database->insert_or_update_variables({
						variable_name         => "form::config_step2::${this_iface1_key}::value", 
						variable_value        => $anvil->data->{cgi}{$this_iface1_key}{value}, 
						variable_default      => "", 
						variable_description  => "striker_0029", 
						variable_section      => "config_step2", 
						variable_source_uuid  => $anvil->Get->host_uuid, 
						variable_source_table => "hosts", 
						update_value_only     => 1, 
					});
				}
				else
				{
					# Conflict! Set the alert for this interface and the conflicting one.
					my $conflict_key                             = $anvil->data->{network}{$mac}{set_as};
					   $anvil->data->{cgi}{$conflict_key}{alert}    = 1;
					   $anvil->data->{cgi}{$this_iface1_key}{alert} = 1;
					   $sane                                     = 0;
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { 
						sane                             => $sane, 
						"cgi::${conflict_key}::alert"    => $anvil->data->{cgi}{$conflict_key}{alert},
						"cgi::${this_iface1_key}::alert" => $anvil->data->{cgi}{$this_iface1_key}{alert},
					}});
				}
			}
			
			# Interface 2 doesn't have to be set.
			if ((defined $anvil->data->{cgi}{$this_iface2_key}{value}) && ($anvil->data->{cgi}{$this_iface2_key}{value}))
			{
				if (not $anvil->Validate->form_field({name => $this_iface2_key, type => "mac"}))
				{
					$sane = 0;
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane }});
				}
				else
				{
					# Valid MAC. Has it been assigned elsewhere?
					my $mac = $anvil->data->{cgi}{$this_iface2_key}{value};
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { mac => $mac }});
					if ((not exists $anvil->data->{network}{$mac}{set_as}) or (not $anvil->data->{network}{$mac}{set_as}))
					{
						$anvil->data->{network}{$mac}{set_as} = $this_iface2_key;
						$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { "network::${mac}::set_as" => $anvil->data->{network}{$mac}{set_as} }});
						
						# Record the answer.
						$anvil->Database->insert_or_update_variables({
							variable_name         => "form::config_step2::${this_iface2_key}::value", 
							variable_value        => $anvil->data->{cgi}{$this_iface2_key}{value}, 
							variable_default      => "", 
							variable_description  => "striker_0030", 
							variable_section      => "config_step2", 
							variable_source_uuid  => $anvil->Get->host_uuid, 
							variable_source_table => "hosts", 
							update_value_only     => 1, 
						});
					}
					else
					{
						# Conflict! Set the alert for this interface and the conflicting one.
						my $conflict_key                             = $anvil->data->{network}{$mac}{set_as};
						$anvil->data->{cgi}{$conflict_key}{alert}    = 1;
						$anvil->data->{cgi}{$this_iface2_key}{alert} = 1;
						$sane                                     = 0;
						$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { 
							sane                             => $sane, 
							"cgi::${conflict_key}::alert"    => $anvil->data->{cgi}{$conflict_key}{alert},
							"cgi::${this_iface2_key}::alert" => $anvil->data->{cgi}{$this_iface2_key}{alert},
						}});
					}
				}
			}
		}
	}
	
	# The gateway, this has to be after the interfaces so that we can match it to an interface (and error
	# if not)
	if (not $anvil->Validate->form_field({name => "gateway", type => "ipv4", empty_ok => 1}))
	{
		$sane = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane }});
	}
	else
	{
		# Convert the gateway strings to binary.
		my $gateway = defined $anvil->data->{cgi}{gateway}{value} ? $anvil->data->{cgi}{gateway}{value} : "";
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { gateway => $gateway }});
		
		# If there is no gateway, that's OK, there just won't be any Internet access.
		my $gateway_interface = "";
		if ($gateway)
		{
			# Match this gateway to one of the interfaces.
			foreach my $this_network (sort {$a cmp $b} keys %{$networks})
			{
				my ($this_ip, $this_subnet) = ($networks->{$this_network} =~ /^(.*?)\/(.*)$/);
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
					"s1:this_network"            => $this_network,
					"s2:networks->$this_network" => $networks->{$this_network}, 
					"s3:this_ip"                 => $this_ip, 
					"s4:this_subnet"             => $this_subnet,
				}});
				
				my $first  = NetAddr::IP->new("$this_ip/$this_subnet");
				my $second = NetAddr::IP->new("$gateway/$this_subnet");

				if ($second->within($first))
				{
					$gateway_interface = $this_network;
					$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { gateway_interface => $gateway_interface }});
				} 
			}
			if (not $gateway_interface)
			{
				$anvil->data->{cgi}{gateway}{alert} = 1;
				$sane                            = 0;
				$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::gateway::alert" => $anvil->data->{cgi}{gateway}{alert} }});
				
				# Explain the problem
				$anvil->data->{form}{error_massage} = $anvil->Template->get({file => "main.html", name => "error_message", variables => { error_message => $anvil->Words->string({key => "error_0004"}) }});
			}
		}
		
		# If no alert was raised, record the values.
		if (not $anvil->data->{cgi}{gateway}{alert})
		{
			# Record the answer.
			$anvil->Database->insert_or_update_variables({
				variable_name         => "form::config_step2::gateway::value", 
				variable_value        => $anvil->data->{cgi}{gateway}{value}, 
				variable_default      => "", 
				variable_description  => "striker_0036", 
				variable_section      => "config_step2", 
				variable_source_uuid  => $anvil->Get->host_uuid, 
				variable_source_table => "hosts", 
				update_value_only     => 1, 
			});
			
			# Record the gateway interface
			$anvil->Database->insert_or_update_variables({
				variable_name         => "form::config_step2::gateway_interface::value", 
				variable_value        => $gateway_interface, 
				variable_default      => "", 
				variable_description  => "", 
				variable_section      => "config_step2", 
				variable_source_uuid  => $anvil->Get->host_uuid, 
				variable_source_table => "hosts", 
				update_value_only     => 1, 
			});
		}
	}
	
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { sane => $sane }});
	return($sane);
}

# This sanity-checks step 1 and returns '1' if there was a problem.
sub sanity_check_step1
{
	my ($anvil) = @_;
	$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 3, key => "log_0131", variables => { function => "sanity_check_step1()" }});
	
	# This will flip if we run into a problem.
	my $sane = 1;
	
	# Organization just needs *something*
	if ((not defined $anvil->data->{cgi}{organization}{value}) or (not $anvil->data->{cgi}{organization}{value}))
	{
		$anvil->data->{cgi}{organization}{alert} = 1;
		$sane                                 = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::organization::alert" => $anvil->data->{cgi}{organization}{alert} }});
	}
	else
	{
		# Record the answer.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::organization::value", 
			variable_value        => $anvil->data->{cgi}{organization}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0004", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# The prefix needs to be alphanumeric and be between 1 ~ 5 chatacters.
	if ((not $anvil->Validate->is_alphanumeric({string => $anvil->data->{cgi}{prefix}{value}})) or (length($anvil->data->{cgi}{prefix}{value}) > 5))
	{
		$anvil->data->{cgi}{prefix}{alert} = 1;
		$sane                           = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::prefix::alert" => $anvil->data->{cgi}{prefix}{alert} }});
	}
	else
	{
		# Record the answer.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::prefix::value", 
			variable_value        => $anvil->data->{cgi}{prefix}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0006", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# We can use Validate to check the domain.
	if (not $anvil->Validate->form_field({name => "domain", type => "domain_name"}))
	{
		$sane = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane }});
	}
	else
	{
		# Record the answer.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::domain::value", 
			variable_value        => $anvil->data->{cgi}{domain}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0008", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# The sequence and IFN count need to be integers.
	if (not $anvil->Validate->is_positive_integer({number => $anvil->data->{cgi}{sequence}{value}}))
	{
		$anvil->data->{cgi}{sequence}{alert} = 1;
		$sane                             = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::sequence::alert" => $anvil->data->{cgi}{sequence}{alert} }});
	}
	else
	{
		# Record the answer.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::sequence::value", 
			variable_value        => $anvil->data->{cgi}{sequence}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0010", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	if (not $anvil->Validate->is_positive_integer({number => $anvil->data->{cgi}{ifn_count}{value}}))
	{
		$anvil->data->{cgi}{ifn_count}{alert} = 1;
		$sane                              = 0;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::ifn_count::alert" => $anvil->data->{cgi}{ifn_count}{alert} }});
	}
	
	# Make sure we have enough interfaces.
	get_network_details($anvil);
	my $required_interfaces_for_single = 1 + $anvil->data->{cgi}{ifn_count}{value};
	my $interface_count                = keys %{$anvil->data->{interfaces}};
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
		required_interfaces_for_single => $required_interfaces_for_single,
		interface_count                => $interface_count,
	}});
	
	if ($interface_count < $required_interfaces_for_single)
	{
		# Build the error message.
		my $say_message = $anvil->Words->string({key => "error_0001", variables => {
			interface_count                => $interface_count,
			required_interfaces_for_single => $required_interfaces_for_single,
		}});
		
		# Not enough interfaces found.
		$anvil->data->{form}{error_massage} = $anvil->Template->get({file => "main.html", name => "error_message", variables => { error_message => $say_message }});
		
		# We're not sane
		$anvil->data->{cgi}{ifn_count}{alert} = 1;
		$sane                              = 0;
	}
	else
	{
		# Sane, Record the answers.
		$anvil->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::ifn_count::value", 
			variable_value        => $anvil->data->{cgi}{ifn_count}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0012", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { sane => $sane }});
	return($sane);
}

# This is step 1 in asking the user how to configure Striker.
sub config_step1
{
	my ($anvil) = @_;
	
	if (not $anvil->data->{cgi}{'next'}{value})
	{
		# First load. See if we can read old data.
		my ($organization) = $anvil->Database->read_variable({
			variable_name         => "form::config_step1::organization::value", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		my ($prefix) = $anvil->Database->read_variable({
			variable_name         => "form::config_step1::prefix::value", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		my ($domain) = $anvil->Database->read_variable({
			variable_name         => "form::config_step1::domain::value", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		my ($sequence) = $anvil->Database->read_variable({
			variable_name         => "form::config_step1::sequence::value", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		my ($ifn_count) = $anvil->Database->read_variable({
			variable_name         => "form::config_step1::ifn_count::value", 
			variable_source_uuid  => $anvil->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
			organization => $organization, 
			prefix       => $prefix, 
			domain       => $domain, 
			sequence     => $sequence, 
			ifn_count    => $ifn_count, 
		}});
		
		$anvil->data->{cgi}{organization}{value} = $organization ne "" ? $organization : "";
		$anvil->data->{cgi}{prefix}{value}       = $prefix       ne "" ? $prefix       : "";
		$anvil->data->{cgi}{domain}{value}       = $domain       ne "" ? $domain       : "";
		$anvil->data->{cgi}{sequence}{value}     = $sequence     ne "" ? $sequence     : 1;
		$anvil->data->{cgi}{ifn_count}{value}    = $ifn_count    ne "" ? $ifn_count    : 1;
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
			'cgi::organization::value' => $anvil->data->{cgi}{organization}{value}, 
			'cgi::prefix::value'       => $anvil->data->{cgi}{prefix}{value}, 
			'cgi::domain::value'       => $anvil->data->{cgi}{domain}{value}, 
			'cgi::sequence::value'     => $anvil->data->{cgi}{sequence}{value}, 
			'cgi::ifn_count::value'    => $anvil->data->{cgi}{ifn_count}{value}, 
		}});
	}
	
	my $organization_class = $anvil->data->{cgi}{organization}{alert} ? "input_alert" : "input_clear";
	my $say_organization   = $anvil->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "organization",
		id          => "organization",
		field       => "#!string!striker_0003!#",
		description => "#!string!striker_0004!#",
		value       => defined $anvil->data->{cgi}{organization}{value} ? $anvil->data->{cgi}{organization}{value} : "",
		class       => $organization_class,
		extra       => "",
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_organization => $say_organization }});
	my $prefix_class = $anvil->data->{cgi}{prefix}{alert} ? "input_alert" : "input_clear";
	my $say_prefix   = $anvil->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "prefix",
		id          => "prefix",
		field       => "#!string!striker_0005!#",
		description => "#!string!striker_0006!#",
		value       => defined $anvil->data->{cgi}{prefix}{value} ? $anvil->data->{cgi}{prefix}{value} : "",
		class       => $prefix_class,
		extra       => "maxlength=\"5\"",
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_prefix => $say_prefix }});
	my $domain_class = $anvil->data->{cgi}{domain}{alert} ? "input_alert" : "input_clear";
	my $say_domain   = $anvil->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "domain",
		id          => "domain",
		field       => "#!string!striker_0007!#",
		description => "#!string!striker_0008!#",
		value       => defined $anvil->data->{cgi}{domain}{value} ? $anvil->data->{cgi}{domain}{value} : "",
		class       => $domain_class,
		extra       => "maxlength=\"255\"",
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_domain => $say_domain }});
	my $sequence_class = $anvil->data->{cgi}{sequence}{alert} ? "input_alert" : "input_clear";
	my $say_sequence   = $anvil->Template->get({file => "main.html", name => "input_number_form", variables => {
		name        => "sequence",
		id          => "sequence",
		field       => "#!string!striker_0009!#",
		description => "#!string!striker_0010!#",
		value       => defined $anvil->data->{cgi}{sequence}{value} ? $anvil->data->{cgi}{sequence}{value} : "",
		class       => $sequence_class,
		extra       => "min=\"1\" max=\"24\"",
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_domain => $say_domain }});
	my $ifn_count_class = $anvil->data->{cgi}{ifn_count}{alert} ? "input_alert" : "input_clear";
	my $say_ifn_count   = $anvil->Template->get({file => "main.html", name => "input_number_form", variables => {
		name        => "ifn_count",
		id          => "ifn_count",
		field       => "#!string!striker_0011!#",
		description => "#!string!striker_0012!#",
		value       => defined $anvil->data->{cgi}{ifn_count}{value} ? $anvil->data->{cgi}{ifn_count}{value} : "",
		class       => $ifn_count_class,
		extra       => "min=\"1\" max=\"24\"",
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_ifn_count => $say_ifn_count }});
	
	my $step1_body = $anvil->Template->get({file => "main.html", name => "config_step1", variables => {
		step1_welcome_title_id   => "",
		step1_welcome_message_id => "",
		organization_form        => $say_organization,
		prefix_form              => $say_prefix,
		domain_form              => $say_domain,
		sequence_form            => $say_sequence,
		ifn_count_form           => $say_ifn_count,
		cgi_list                 => "organization,prefix,domain,sequence,ifn_count",
	}});
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { step1_body => $step1_body }});
	
	return($step1_body);
}

# This reads the network status XML file and loads the data into $anvil->data->{network}{{...}.
sub get_network_details
{
	my ($anvil) = @_;
	
	### TODO: Daemonize this or solve selinux issues
	### Refresh the network.xml
	#$anvil->System->call({shell_call => $anvil->data->{path}{exe}{'anvil-update-states'}});
	
	# Now read the network.xml
	my $file = $anvil->data->{path}{directories}{html}."/status/network.xml";
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { file => $file }});
	
	# Parse...
	my $xml     = XML::Simple->new();
	my $data    = "";
	my $network = "";
	eval { $data = $xml->XMLin($file, KeyAttr => { interface => 'name', key => 'name' }, ForceArray => [ 'interface', 'key' ]) };
	if ($@)
	{
		chomp $@;
		my $error =  "[ Error ] - The was a problem reading: [$file]. The error was:\n";
		   $error .= "===========================================================\n";
		   $error .= $@."\n";
		   $error .= "===========================================================\n";
		$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", raw => $error});
	}
	else
	{
		foreach my $interface (sort {$a cmp $b} keys %{$data->{interface}})
		{
			$anvil->data->{interfaces}{$interface} = {
				bond    => $data->{interface}{$interface}{bond}, 
				bridge  => $data->{interface}{$interface}{bridge}, 
				duplex  => $data->{interface}{$interface}{duplex}, 
				'link'  => $data->{interface}{$interface}{'link'}, 
				mac     => $data->{interface}{$interface}{mac},
				media   => $data->{interface}{$interface}{media},
				mtu     => $data->{interface}{$interface}{mtu},
				order   => $data->{interface}{$interface}{order},
				speed   => $data->{interface}{$interface}{speed},
				'state' => $data->{interface}{$interface}{'state'},
			};
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
				"interfaces::${interface}::bond"   => $anvil->data->{interfaces}{$interface}{bond}, 
				"interfaces::${interface}::bridge" => $anvil->data->{interfaces}{$interface}{bridge}, 
				"interfaces::${interface}::duplex" => $anvil->data->{interfaces}{$interface}{duplex}, 
				"interfaces::${interface}::link"   => $anvil->data->{interfaces}{$interface}{'link'}, 
				"interfaces::${interface}::mac"    => $anvil->data->{interfaces}{$interface}{mac}, 
				"interfaces::${interface}::media"  => $anvil->data->{interfaces}{$interface}{media}, 
				"interfaces::${interface}::mtu"    => $anvil->data->{interfaces}{$interface}{mtu}, 
				"interfaces::${interface}::order"  => $anvil->data->{interfaces}{$interface}{order}, 
				"interfaces::${interface}::speed"  => $anvil->data->{interfaces}{$interface}{speed}, 
				"interfaces::${interface}::state"  => $anvil->data->{interfaces}{$interface}{'state'}, 
			}});
		}
	}
	
	return(0);
}

sub get_network_details_form
{
	my ($anvil) = @_;
	
	my $file    = $anvil->data->{path}{directories}{html}."/status/network.xml";
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { file => $file }});
	my $xml     = XML::Simple->new();
	my $data    = "";
	my $network = "";
	eval { $data = $xml->XMLin($file, KeyAttr => { interface => 'name', key => 'name' }, ForceArray => [ 'interface', 'key' ]) };
	if ($@)
	{
		chomp $@;
		my $error =  "[ Error ] - The was a problem reading: [$file]. The error was:\n";
		   $error .= "===========================================================\n";
		   $error .= $@."\n";
		   $error .= "===========================================================\n";
		$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", raw => $error});
	}
	else
	{
		my $interface_list = "";
		   $network        = $anvil->Template->get({file => "main.html", name => "network_header"});
		foreach my $interface (sort {$a cmp $b} keys %{$data->{interface}})
		{
			$interface_list .= "$interface,";
			$network .= $anvil->Template->get({file => "main.html", name => "network_entry", variables => {
				mac      => "",
				mac_id   => $interface."_mac",
				name     => $interface,
				name_id  => $interface."_name",
				speed    => "",
				speed_id => $interface."_speed",
				'link'   => "",
				link_id  => $interface."_link",
				order    => "",
				order_id => $interface."_order",
			}});
		}
		$interface_list =~ s/,$//;
		$network        .= $anvil->Template->get({file => "main.html", name => "network_footer", variables => { interface_list => $interface_list }});
	}
	
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { network => $network }});
	return($network);
}

# This is a rudimentary function for generating default Striker IPs.
sub generate_ip
{
	my ($anvil, $network, $network_sequence, $device_sequence) = @_;
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
		network          => $network,
		network_sequence => $network_sequence, 
		device_sequence  => $device_sequence, 
	}});
	
	# An empty string is returned if we can't make a sane guess at what should be set.
	my $ip = "";
	
	# The subnet's second octet will be '+X' where 'X' is the sequence.
	my $default_ip      = $anvil->data->{'default'}{$network}{subnet};
	my $default_netmark = $anvil->data->{'default'}{$network}{netmask};
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
		default_ip      => $default_ip,
		default_netmark => $default_netmark, 
	}});
	
	if (($anvil->Validate->is_ipv4({ip => $default_ip})) && ($anvil->Validate->is_ipv4({ip => $default_netmark})))
	{
		# Valid values.
		my ($ip_octet1, $ip_octet2, $ip_octet3, $ip_octet4) = (split/\./, $default_ip);
		$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
			ip_octet1 => $ip_octet1,
			ip_octet2 => $ip_octet2,
			ip_octet3 => $ip_octet3,
			ip_octet4 => $ip_octet4,
		}});
		
		if ($default_netmark eq "255.255.0.0")
		{
			# We can work with this.
			$ip_octet2 += $network_sequence;
			$ip_octet3 =  $anvil->data->{'default'}{bcn}{striker_octet3};
			$ip_octet4 =  $device_sequence;
			$ip        =  $ip_octet1.".".$ip_octet2.".".$ip_octet3.".".$ip_octet4;
			$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
				"s1:ip_octet2" => $ip_octet2,
				"s2:ip_octet3" => $ip_octet3,
				"s3:ip_octet4" => $ip_octet4,
				"s4:ip"        => $ip,
			}});
		}
	}
	else
	{
		# Something wrong with our defaults.
		$ip = "#!error!#";
	}
	
	$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { ip => $ip }});
	return($ip);
}