#!/usr/bin/perl
#
# Exit codes;
# 0 == OK
# 1 == Host UUID not available yet.
# 

use strict;
use warnings;
use AN::Tools;
use Data::Dumper;

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

my $an = AN::Tools->new();

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

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

# Read in our words file.
$an->Words->read({file => $an->data->{path}{directories}{'cgi-bin'}."/words.xml"});

# Read the config and then connect to the database.
$an->Storage->read_config({file => "/etc/striker/striker.conf"});

# Make sure I can read the host UUID.
if (not $an->Get->host_uuid)
{
	# Too early, exit.
	print $an->Words->string({key => "striker_error_0002"});
	$an->nice_exit({exit_code => 1});
}

my $connections = $an->Database->connect({
	sql_file   => $an->data->{sys}{database}{schema},
	test_table => "network_interfaces", 
});
$an->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0132", variables => { connections => $connections }});
if (not $connections)
{
	# No databases, exit.
	print $an->Words->string({key => "striker_error_0003"});
	$an->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.
$an->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
$an->data->{'default'}{bcn}{subnet}         = "10.0.0.0";
$an->data->{'default'}{bcn}{netmask}        = "255.255.0.0";
$an->data->{'default'}{bcn}{pdu_octet3}     = "1";
$an->data->{'default'}{bcn}{ups_octet3}     = "2";
$an->data->{'default'}{bcn}{switch_octet3}  = "3";
$an->data->{'default'}{bcn}{striker_octet3} = "4";
# SN starts at 10.(40+n)/16
$an->data->{'default'}{sn}{subnet}  = "10.40.0.0";
$an->data->{'default'}{sn}{netmask} = "255.255.0.0";
# IFN starts at 10.(80+)/16
$an->data->{'default'}{ifn}{subnet}  = "10.80.0.0";
$an->data->{'default'}{ifn}{netmask} = "255.255.0.0";

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

$an->data->{skin}{url} = $an->data->{path}{urls}{skins}."/".$an->Template->skin;
my $header = $an->Template->get({file => "main.html", name => "header", variables => { language => $an->Words->language }});
my $body   = "";
# This will be true when the dashboard is unconfigured.
if (not $an->data->{cgi}{step}{value})
{
	$body = config_step1($an);
}
elsif ($an->data->{cgi}{step}{value} eq "step1")
{
	# Sanity check step1.
	my $sane = sanity_check_step1($an);
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { sane => $sane }});
	if ($sane)
	{
		# Step 1 was sanem show step 2.
		$body = config_step2($an);
	}
	else
	{
		# No good
		$body = config_step1($an);
	}
}
else
{
	$body = get_network_details_form($an);
}
my $buttons = $an->Template->get({file => "main.html", name => "button_bar"});
my $footer  = $an->Template->get({file => "main.html", name => "footer"});

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

print $template;

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


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

# This is step2 where the user maps their network.
sub config_step2
{
	my ($an) = @_;
	
	# 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($an);
	my $required_interfaces_for_single = 1 + $an->data->{cgi}{ifn_count}{value};
	my $required_interfaces_for_bonds  = 2 * $required_interfaces_for_single;
	my $interface_count                = keys %{$an->data->{interfaces}};
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, 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 $b} keys %{$an->data->{interfaces}})
	{
		my $this_mac = $an->data->{interfaces}{$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 = $an->data->{cgi}{bcn_count}{value} ? $an->data->{cgi}{bcn_count}{value} : 1;
		foreach my $bcn (1..$bcn_count)
		{
			push @{$links}, "bcn_link".$bcn;
			my $this_bcn_key      =  "bcn".$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 $this_ip           =  generate_ip($an, "bcn", 1, $an->data->{cgi}{sequence}{value});
			my $this_ip_class     =  $an->data->{cgi}{$this_ip_key}{alert} ? "input_alert" : "input_clear";
			my $this_subnet_class =  $an->data->{cgi}{$this_subnet_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface1_class =  $an->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface2_class =  $an->data->{cgi}{$this_iface2_key}{alert} ? "input_alert" : "input_clear";
			
			# Build the interface select boxes...
			my $this_iface1_form = $an->Template->select_form({
				name     => $this_iface1_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $an->data->{cgi}{$this_iface1_key}{value} ? $an->data->{cgi}{$this_iface1_key}{value} : "",
				class    => $an->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear",
			});
			my $this_iface2_form = $an->Template->select_form({
				name     => $this_iface2_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $an->data->{cgi}{$this_iface2_key}{value} ? $an->data->{cgi}{$this_iface2_key}{value} : "",
				class    => $an->data->{cgi}{$this_iface2_key}{alert} ? "input_alert" : "input_clear",
			});
			
			# Assemble the form
			$interface_form .= $an->Template->get({file => "main.html", name => "bonded_interface_form", variables => {
				field         => $an->Words->string({key => "striker_0018", variables => { number => $bcn }}),
				description   => "#!string!striker_0019!#",
				ip_key        => $this_ip_key,
				ip_value      => defined $an->data->{cgi}{$this_ip_key}{value} ? $an->data->{cgi}{$this_ip_key}{value} : $this_ip,
				ip_class      => $this_ip_class,
				subnet_key    => $this_subnet_key, 
				subnet_value  => defined $an->data->{cgi}{$this_subnet_key}{value} ? $an->data->{cgi}{$this_subnet_key}{value} : $an->data->{'default'}{bcn}{netmask},
				subnet_class  => $this_subnet_class,
				iface1_select => $this_iface1_form,
				iface2_select => $this_iface2_form,
			}});
		}
		
		my $ifn_count = $an->data->{cgi}{ifn_count}{value} ? $an->data->{cgi}{ifn_count}{value} : 1;
		foreach my $ifn (1..$ifn_count)
		{
			push @{$links}, "ifn_link".$ifn;
			my $this_ifn_key      =  "ifn".$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 $this_ip           =  generate_ip($an, "ifn", 1, $an->data->{cgi}{sequence}{value});
			my $this_ip_class     =  $an->data->{cgi}{$this_ip_key}{alert} ? "input_alert" : "input_clear";
			my $this_subnet_class =  $an->data->{cgi}{$this_subnet_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface1_class =  $an->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear";
			my $this_iface2_class =  $an->data->{cgi}{$this_iface2_key}{alert} ? "input_alert" : "input_clear";
			
			# Build the interface select boxes...
			my $this_iface1_form = $an->Template->select_form({
				name     => $this_iface1_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $an->data->{cgi}{$this_iface1_key}{value} ? $an->data->{cgi}{$this_iface1_key}{value} : "",
				class    => $an->data->{cgi}{$this_iface1_key}{alert} ? "input_alert" : "input_clear",
			});
			my $this_iface2_form = $an->Template->select_form({
				name     => $this_iface2_key,
				options  => $interface_options,
				blank    => 1,
				selected => defined $an->data->{cgi}{$this_iface2_key}{value} ? $an->data->{cgi}{$this_iface2_key}{value} : "",
				class    => $an->data->{cgi}{$this_iface2_key}{alert} ? "input_alert" : "input_clear",
			});
			
			# Assemble the form
			$interface_form .= $an->Template->get({file => "main.html", name => "bonded_interface_form", variables => {
				field         => $an->Words->string({key => "striker_0022", variables => { number => $ifn }}),
				description   => "#!string!striker_0023!#",
				ip_key        => $this_ip_key,
				ip_value      => defined $an->data->{cgi}{$this_ip_key}{value} ? $an->data->{cgi}{$this_ip_key}{value} : $this_ip,
				ip_class      => $this_ip_class,
				subnet_key    => $this_subnet_key, 
				subnet_value  => defined $an->data->{cgi}{$this_subnet_key}{value} ? $an->data->{cgi}{$this_subnet_key}{value} : $an->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.
	}
	
	### TODO: Add a form for Gateway, DNS and which interface to use
	# Gateway
	my $say_default_gateway = "";
	my $gateway_class       = $an->data->{cgi}{gateway}{alert} ? "input_alert" : "input_clear";
	my $say_gateway         = $an->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "gateway",
		id          => "gateway",
		field       => "#!string!striker_0035!#",
		description => "#!string!striker_0036!#",
		value       => defined $an->data->{cgi}{gateway}{value} ? $an->data->{cgi}{gateway}{value} : $say_default_gateway,
		class       => $gateway_class,
		extra       => "",
	}});
	
	# DNS
	my $dns_class       = $an->data->{cgi}{dns}{alert} ? "input_alert" : "input_clear";
	my $say_dns         = $an->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "dns",
		id          => "dns",
		field       => "#!string!striker_0037!#",
		description => "#!string!striker_0038!#",
		value       => defined $an->data->{cgi}{dns}{value} ? $an->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 $an->data->{cgi}{dg_iface}{value} ? $an->data->{cgi}{dg_iface}{value} : "ifn_link1";
	my $dg_iface_select  = $an->Template->select_form({
		name     => "dg_iface",
		options  => $links,
		blank    => 0,
		selected => $default_dg_iface,
		class    => $an->data->{cgi}{dg_iface}{alert} ? "input_alert" : "input_clear",
	});
	my $dg_iface_class = $an->data->{cgi}{dg_iface}{alert} ? "input_alert" : "input_clear";
	my $say_dg_iface   = $an->Template->get({file => "main.html", name => "input_select_form", variables => {
		field       => "#!string!striker_0039!#",
		description => "#!string!striker_0040!#",
		'select'    => "",
	}});
	
	# Hostname
	my $say_default_hostname = $an->data->{cgi}{prefix}{value}."-striker0".$an->data->{cgi}{sequence}{value}.".".$an->data->{cgi}{domain}{value};
	my $hostname_class       = $an->data->{cgi}{hostname}{alert} ? "input_alert" : "input_clear";
	my $say_hostname         = $an->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "hostname",
		id          => "hostname",
		field       => "#!string!striker_0016!#",
		description => "#!string!striker_0017!#",
		value       => defined $an->data->{cgi}{hostname}{value} ? $an->data->{cgi}{hostname}{value} : $say_default_hostname,
		class       => $hostname_class,
		extra       => "",
	}});
	
	# Admin user
	my $say_default_striker_user = "striker";
	my $striker_user_class       = $an->data->{cgi}{striker_user}{alert} ? "input_alert" : "input_clear";
	my $say_striker_user         = $an->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 $an->data->{cgi}{striker_user}{value} ? $an->data->{cgi}{striker_user}{value} : $say_default_striker_user,
		class       => $striker_user_class,
		extra       => "",
	}});
	
	# Password
	my $say_default_striker_password = "";
	my $striker_password_class       = $an->data->{cgi}{striker_password}{alert} ? "input_alert" : "input_clear";
	my $say_striker_password         = $an->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 $an->data->{cgi}{striker_password}{value} ? $an->data->{cgi}{striker_password}{value} : $say_default_striker_password,
		class       => $striker_password_class,
		extra       => "",
	}});
	
	# Get the table that shows the current interface states.
	my $interface_states = get_network_details_form($an);
	
	# Store the previous CGI variables and display the new fields.
	my $step2_body = $an->Template->get({file => "main.html", name => "config_step2", variables => {
		step1_welcome_title_id   => "",
		step1_welcome_message_id => "",
		organization             => $an->data->{cgi}{organization}{value},
		prefix                   => $an->data->{cgi}{prefix}{value},
		domain                   => $an->data->{cgi}{domain}{value},
		sequence                 => $an->data->{cgi}{sequence}{value},
		ifn_count                => $an->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."gateway,hostname,striker_user,striker_password",
	}});
	$an->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 ($an) = @_;
	
	# This will flip if we run into a problem. We start by running through step1's sanity checks again. 
	# This should only fail is someone was passing raw data to us and screwed something up.
	my $sane = sanity_check_step1($an);
	
	# Do we have a host name, striker user and password?
	if ((not defined $an->data->{cgi}{hostname}{value}) or (not $an->data->{cgi}{hostname}{value}))
	{
		$an->data->{cgi}{hostname}{alert} = 1;
		$sane                                 = 0;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::hostname::alert" => $an->data->{cgi}{hostname}{alert} }});
	}
	if ((not defined $an->data->{cgi}{striker_user}{value}) or (not $an->data->{cgi}{striker_user}{value}))
	{
		$an->data->{cgi}{striker_user}{alert} = 1;
		$sane                                 = 0;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::striker_user::alert" => $an->data->{cgi}{striker_user}{alert} }});
	}
	if ((not defined $an->data->{cgi}{striker_password}{value}) or (not $an->data->{cgi}{striker_password}{value}))
	{
		$an->data->{cgi}{striker_password}{alert} = 1;
		$sane                                 = 0;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::striker_password::alert" => $an->data->{cgi}{striker_password}{alert} }});
	}
	
	# Now it gets a bit tricker as we'll need to loop through the BCNs and IFNs.
	my $bcn_count = $an->data->{cgi}{bcn_count}{value} ? $an->data->{cgi}{bcn_count}{value} : 1;
	foreach my $bcn (1..$bcn_count)
	{
		my $this_bcn_key      =  "bcn".$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";
		
		# If I only have the iface1, we'll create a non-bonded interface (even if the option for a 
		# bond was presented to the user). So to be sane, we need a valid IP, subnet
		
	}
	my $ifn_count = $an->data->{cgi}{ifn_count}{value} ? $an->data->{cgi}{ifn_count}{value} : 1;
	foreach my $ifn (1..$ifn_count)
	{
		my $this_ifn_key      =  "ifn".$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";
	}
	
	$an->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 ($an) = @_;
	$an->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, 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 $an->data->{cgi}{organization}{value}) or (not $an->data->{cgi}{organization}{value}))
	{
		$an->data->{cgi}{organization}{alert} = 1;
		$sane                                 = 0;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::organization::alert" => $an->data->{cgi}{organization}{alert} }});
	}
	else
	{
		# Record the answer.
		$an->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::organization::value", 
			variable_value        => $an->data->{cgi}{organization}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0004", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $an->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 $an->Validate->is_alphanumeric({string => $an->data->{cgi}{prefix}{value}})) or (length($an->data->{cgi}{prefix}{value}) > 5))
	{
		$an->data->{cgi}{prefix}{alert} = 1;
		$sane                           = 0;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::prefix::alert" => $an->data->{cgi}{prefix}{alert} }});
	}
	else
	{
		# Record the answer.
		$an->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::prefix::value", 
			variable_value        => $an->data->{cgi}{prefix}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0006", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# We can use Validate to check the domain.
	if (not $an->Validate->is_domain_name({name => $an->data->{cgi}{domain}{value}}))
	{
		$an->data->{cgi}{domain}{alert} = 1;
		$sane                           = 0;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::domain::alert" => $an->data->{cgi}{domain}{alert} }});
	}
	else
	{
		# Record the answer.
		$an->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::domain::value", 
			variable_value        => $an->data->{cgi}{domain}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0008", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	# The sequence and IFN count need to be integers.
	if (not $an->Validate->is_positive_integer({number => $an->data->{cgi}{sequence}{value}}))
	{
		$an->data->{cgi}{sequence}{alert} = 1;
		$sane                             = 0;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::sequence::alert" => $an->data->{cgi}{sequence}{alert} }});
	}
	else
	{
		# Record the answer.
		$an->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::sequence::value", 
			variable_value        => $an->data->{cgi}{sequence}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0010", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	if (not $an->Validate->is_positive_integer({number => $an->data->{cgi}{ifn_count}{value}}))
	{
		$an->data->{cgi}{ifn_count}{alert} = 1;
		$sane                              = 0;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 1, list => { sane => $sane, "cgi::ifn_count::alert" => $an->data->{cgi}{ifn_count}{alert} }});
	}
	
	# Make sure we have enough interfaces.
	get_network_details($an);
	my $required_interfaces_for_single = 1 + $an->data->{cgi}{ifn_count}{value};
	my $interface_count                = keys %{$an->data->{interfaces}};
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, 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 = $an->Words->string({key => "striker_error_0001", variables => {
			interface_count                => $interface_count,
			required_interfaces_for_single => $required_interfaces_for_single,
		}});
		
		# Not enough interfaces found.
		$an->data->{form}{error_massage} = $an->Template->get({file => "main.html", name => "error_message", variables => { error_message => $say_message }});
		
		# We're not sane
		$an->data->{cgi}{ifn_count}{alert} = 1;
		$sane                              = 0;
	}
	else
	{
		# Record the answer.
		$an->Database->insert_or_update_variables({
			variable_name         => "form::config_step1::ifn_count::value", 
			variable_value        => $an->data->{cgi}{ifn_count}{value}, 
			variable_default      => "", 
			variable_description  => "striker_0012", 
			variable_section      => "config_step1", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
			update_value_only     => 1, 
		});
	}
	
	$an->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 ($an) = @_;
	
	if (not $an->data->{cgi}{'next'}{value})
	{
		# First load. See if we can read old data.
		my ($organization) = $an->Database->read_variable({
			variable_name         => "form::config_step1::organization::value", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		my ($prefix) = $an->Database->read_variable({
			variable_name         => "form::config_step1::prefix::value", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		my ($domain) = $an->Database->read_variable({
			variable_name         => "form::config_step1::domain::value", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		my ($sequence) = $an->Database->read_variable({
			variable_name         => "form::config_step1::sequence::value", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		my ($ifn_count) = $an->Database->read_variable({
			variable_name         => "form::config_step1::ifn_count::value", 
			variable_source_uuid  => $an->Get->host_uuid, 
			variable_source_table => "hosts", 
		});
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			organization => $organization, 
			prefix       => $prefix, 
			domain       => $domain, 
			sequence     => $sequence, 
			ifn_count    => $ifn_count, 
		}});
		
		$an->data->{cgi}{organization}{value} = $organization ne "" ? $organization : "";
		$an->data->{cgi}{prefix}{value}       = $prefix       ne "" ? $prefix       : "";
		$an->data->{cgi}{domain}{value}       = $domain       ne "" ? $domain       : "";
		$an->data->{cgi}{sequence}{value}     = $sequence     ne "" ? $sequence     : 1;
		$an->data->{cgi}{ifn_count}{value}    = $ifn_count    ne "" ? $ifn_count    : 1;
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
			'cgi::organization::value' => $an->data->{cgi}{organization}{value}, 
			'cgi::prefix::value'       => $an->data->{cgi}{prefix}{value}, 
			'cgi::domain::value'       => $an->data->{cgi}{domain}{value}, 
			'cgi::sequence::value'     => $an->data->{cgi}{sequence}{value}, 
			'cgi::ifn_count::value'    => $an->data->{cgi}{ifn_count}{value}, 
		}});
	}
	
	my $organization_class = $an->data->{cgi}{organization}{alert} ? "input_alert" : "input_clear";
	my $say_organization   = $an->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "organization",
		id          => "organization",
		field       => "#!string!striker_0003!#",
		description => "#!string!striker_0004!#",
		value       => defined $an->data->{cgi}{organization}{value} ? $an->data->{cgi}{organization}{value} : "",
		class       => $organization_class,
		extra       => "",
	}});
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_organization => $say_organization }});
	my $prefix_class = $an->data->{cgi}{prefix}{alert} ? "input_alert" : "input_clear";
	my $say_prefix   = $an->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "prefix",
		id          => "prefix",
		field       => "#!string!striker_0005!#",
		description => "#!string!striker_0006!#",
		value       => defined $an->data->{cgi}{prefix}{value} ? $an->data->{cgi}{prefix}{value} : "",
		class       => $prefix_class,
		extra       => "maxlength=\"5\"",
	}});
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_prefix => $say_prefix }});
	my $domain_class = $an->data->{cgi}{domain}{alert} ? "input_alert" : "input_clear";
	my $say_domain   = $an->Template->get({file => "main.html", name => "input_text_form", variables => {
		name        => "domain",
		id          => "domain",
		field       => "#!string!striker_0007!#",
		description => "#!string!striker_0008!#",
		value       => defined $an->data->{cgi}{domain}{value} ? $an->data->{cgi}{domain}{value} : "",
		class       => $domain_class,
		extra       => "maxlength=\"255\"",
	}});
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_domain => $say_domain }});
	my $sequence_class = $an->data->{cgi}{sequence}{alert} ? "input_alert" : "input_clear";
	my $say_sequence   = $an->Template->get({file => "main.html", name => "input_number_form", variables => {
		name        => "sequence",
		id          => "sequence",
		field       => "#!string!striker_0009!#",
		description => "#!string!striker_0010!#",
		value       => defined $an->data->{cgi}{sequence}{value} ? $an->data->{cgi}{sequence}{value} : "",
		class       => $sequence_class,
		extra       => "min=\"1\" max=\"24\"",
	}});
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_domain => $say_domain }});
	my $ifn_count_class = $an->data->{cgi}{ifn_count}{alert} ? "input_alert" : "input_clear";
	my $say_ifn_count   = $an->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 $an->data->{cgi}{ifn_count}{value} ? $an->data->{cgi}{ifn_count}{value} : "",
		class       => $ifn_count_class,
		extra       => "min=\"1\" max=\"24\"",
	}});
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { say_ifn_count => $say_ifn_count }});
	
	my $step1_body = $an->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",
	}});
	$an->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 $an->data->{network}{{...}.
sub get_network_details
{
	my ($an) = @_;
	
	### TODO: Daemonize this or solve selinux issues
	### Refresh the network.xml
	#$an->System->call({shell_call => $an->data->{path}{exe}{'scancore-update-states'}});
	
	# Now read the network.xml
	my $file = $an->data->{path}{directories}{html}."/status/network.xml";
	$an->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";
		$an->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", raw => $error});
	}
	else
	{
		foreach my $interface (sort {$a cmp $b} keys %{$data->{interface}})
		{
			$an->data->{interfaces}{$interface} = {
				mac    => $data->{interface}{$interface}{mac},
				speed  => $data->{interface}{$interface}{speed},
				'link' => $data->{interface}{$interface}{'link'}
			};
			$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 3, list => { 
				"interfaces::${interface}::mac"   => $an->data->{interfaces}{$interface}{mac}, 
				"interfaces::${interface}::speed" => $an->data->{interfaces}{$interface}{speed}, 
				"interfaces::${interface}::link"  => $an->data->{interfaces}{$interface}{'link'}, 
			}});
		}
	}
	
	return(0);
}

sub get_network_details_form
{
	my ($an) = @_;
	
	my $file    = $an->data->{path}{directories}{html}."/status/network.xml";
	$an->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";
		$an->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", raw => $error});
	}
	else
	{
		my $interface_list = "";
		   $network        = $an->Template->get({file => "main.html", name => "network_header"});
		foreach my $interface (sort {$a cmp $b} keys %{$data->{interface}})
		{
			$interface_list .= "$interface,";
			$network .= $an->Template->get({file => "main.html", name => "network_entry", variables => {
				#mac            => $data->{interface}{$interface}{mac},
				mac            => "",
				mac_id         => $interface."_mac",
				name           => $interface,
				name_id        => $interface."_name",
				#speed          => $data->{interface}{$interface}{speed},
				speed          => "",
				speed_id       => $interface."_speed",
				#'link'         => $data->{interface}{$interface}{'link'},
				'link'         => "",
				link_id        => $interface."_link",
			}});
		}
		$interface_list =~ s/,$//;
		$network        .= $an->Template->get({file => "main.html", name => "network_footer", variables => { interface_list => $interface_list }});
	}
	
	$an->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 ($an, $network, $network_sequence, $device_sequence) = @_;
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, 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      = $an->data->{'default'}{$network}{subnet};
	my $default_netmark = $an->data->{'default'}{$network}{netmask};
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { 
		default_ip      => $default_ip,
		default_netmark => $default_netmark, 
	}});
	
	if (($an->Validate->is_ipv4({ip => $default_ip})) && ($an->Validate->is_ipv4({ip => $default_netmark})))
	{
		# Valid values.
		my ($ip_octet1, $ip_octet2, $ip_octet3, $ip_octet4) = (split/\./, $default_ip);
		$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, 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 =  $an->data->{'default'}{bcn}{striker_octet3};
			$ip_octet4 =  $device_sequence;
			$ip        =  $ip_octet1.".".$ip_octet2.".".$ip_octet3.".".$ip_octet4;
			$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, 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!#";
	}
	
	$an->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { ip => $ip }});
	return($ip);
}