33package network;

use diagnostics;
use strict;

#-######################################################################################
#- misc imports
#-######################################################################################
use Socket;

use common qw(:common :file :system :functional);
use detect_devices;
use run_program;
use log;

#-######################################################################################
#- Functions
#-######################################################################################
sub read_conf {
    my ($file) = @_;
    my %netc = getVarsFromSh($file);
    $netc{dnsServer} = $netc{NS0};
    \%netc;
}

sub read_resolv_conf {
    my ($file) = @_;
    my %netc;
    my @l;

    local *F;
    open F, $file or die "cannot open $file: $!";
    foreach (<F>) {
	push @l, $1 if (/^\s*nameserver\s+([^\s]+)/);
    }

    $netc{$_} = shift @l fore<?php
/**
*
* @package extension
* @copyright (c) 2011 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/

/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
	exit;
}

/**
* The extension finder provides a simple way to locate files in active extensions
*
* @package extension
*/
class phpbb_extension_finder
{
	protected $extension_manager;
	protected $phpbb_root_path;
	protected $cache;
	protected $php_ext;

	/**
	* The cache variable name used to store $this->cached_queries in $this->cache.
	*
	* Allows the use of multiple differently configured finders with the same cache.
	* @var string
	*/
	protected $cache_name;

	/**
	* An associative array, containing all search parameters set in methods.
	* @var	array
	*/
	protected $query;

	/**
	* A map from md5 hashes of serialized queries to their previously retrieved
	* results.
	* @var	array
	*/
	protected $cached_queries;

	/**
	* Creates a new finder instance with its dependencies
	*
	* @param phpbb_extension_manager $extension_manager An extension manager
	*            instance that provides the finder with a list of active
	*            extensions and their locations
	* @param string $phpbb_root_path Path to the phpbb root directory
	* @param phpbb_cache_driver_interface $cache A cache instance or null
	* @param string $php_ext php file extension
	* @param string $cache_name The name of the cache variable, defaults to
	*                           _ext_finder
	*/
	public function __construct(phpbb_extension_manager $extension_manager, $phpbb_root_path = '', phpbb_cache_driver_interface $cache = null, $php_ext = '.php', $cache_name = '_ext_finder')
	{
		$this->extension_manager = $extension_manager;
		$this->phpbb_root_path = $phpbb_root_path
    add2hash($netc, { DOMAINNAME => $netc->{HOSTNAME} =~ /\.(.*)/ });

    setVarsInSh($file, $netc, qw(NETWORKING FORWARD_IPV4 HOSTNAME DOMAINNAME GATEWAY GATEWAYDEV NISDOMAIN));
}

sub write_resolv_conf {
    my ($file, $netc) = @_;

    #- We always write these, even if they were autoconfigured. Otherwise, the reverse name lookup in the install doesn't work.
    unless ($netc->{DOMAINNAME} || dnsServers($netc)) {
	unlink($file);
	log::l("neither domain name nor dns server are configured");
	return 0;
    }
    my @l = cat_($file);

    local *F;
    open F, "> $file" or die "cannot write $file: $!";
    print F "search $netc->{DOMAINNAME}\n" if $netc->{DOMAINNAME};
    print F "nameserver $_\n" foreach dnsServers($netc);
    print F "#$_" foreach @l;

    #-res_init();		# reinit the resolver so DNS changes take affect
    1;
}

sub write_interface_conf {
    my ($file, $intf) = @_;

    my @ip = split '\.', $intf->{IPADDR};
    my @mask = split '\.', $intf->{NETMASK};
    add2hash($intf, {
		     BROADCAST => join('.', mapn { int $_[0] | ~int $_[1] & 255 } \@ip, \@mask),
		     NETWORK   => join('.', mapn { int $_[0}

	/**
	* Sets a suffix all files found in the core path must match
	*
	* There is no default file extension, so to find PHP files only, you will
	* have to specify .php as a suffix. However when using get_classes, the .php
	* file extension is automatically added to suffixes.
	*
	* @param string $core_suffix A filename suffix
	* @return phpbb_extension_finder This object for chaining calls
	*/
	public function core_suffix($core_suffix)
	{
		$this->query['core_suffix'] = $core_suffix;
		return $this;
	}

	/**
	* Sets the prefix all files found in extensions and core must match
	*
	* @param string $prefix A filename prefix
	* @return phpbb_extension_finder This object for chaining calls
	*/
	public function prefix($prefix)
	{
		$this->core_prefix($prefix);
		$this->extension_prefix($prefix);
		return $this;
	}

	/**
	* Sets a prefix all files found in extensions must match
	*
	* @param string $extension_prefix A filename prefix
	* @return phpbb_extension_finder This object for chaining calls
	*/
	public function extension_prefix($extension_prefix)
	{
		$this->query['extension_prefix'] = $extension_prefix;
		return $this;
	}

	/**
	* Sets a prefix all files found in the core path must match
	*
	* @param string $core_prefix A filename prefix
	* @return phpbb_extension_finder This object for chaining calls
	*/
	public function core_prefix($core_prefix)
	{
		$this->query['core_prefix'] = $core_prefix;
		return $this;
	}

	/**
	* Sets a directory all files found in extensions and core must be contained in
	*
	* Automatically sets the core_directory if its value does not differ from
	* the current directory.
	*
	* @param string $directory
	* @return phpbb_extension_finder This object for chaining calls
	*/
	public function directory($directory)
	{
		$this->core_directory($directory);
		$this->extension_directory($directory);
		return $this;
	}

	/**
	* Sets a directory all files found in extensions must be contained in
	*
	* @param string $extension_directory
	* @return phpbb_extension_finder This object for chaining calls
	*/
	public fu
    write_resolv_conf("$prefix/etc/resolv.conf", $netc);

    my $name = gethostbyaddr(Socket::inet_aton($intf->{IPADDR}), AF_INET) or log::l("reverse name lookup failed"), return 0;

    log::l("reverse name lookup worked");

    add2hash($netc, { HOSTNAME => $name });
    1;
}

sub addDefaultRoute {
    my ($netc) = @_;
    c::addDefaultRoute($netc->{GATEWAY}) if $netc->{GATEWAY};
}

sub sethostname {
    my ($netc) = @_;
    syscall_('sethostname', $netc->{HOSTNAME}, length $netc->{HOSTNAME}) or log::l("sethostname failed: $!");
}

sub resolv($) {
    my ($name) = @_;
    is_ip($name) and return $name;
    my $a = join(".", unpack "C4", (gethostbyname $name)[4]);
    #-log::l("resolved $name in $a");
    $a;
}

sub dnsServers {
    my ($netc) = @_;
    grep { $_ } map { $netc->{$_} } qw(dnsServer dnsServer2 dnsServer3);
}

sub findIntf {
    my ($intf, $device) = @_;
    my ($l) = grep { $_->{DEVICE} eq $device } @$intf;
    push @$intf, $l = { DEVICE => $device } unless $l;
    $l;
}
#PAD \s* a la fin
my $ip_regexp = qr/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
sub is_ip {
    my ($ip) = @_;
    return 0 unless $ip =~ $ip_regexp;
    my @fields = ($1, $2, $3, $4);
    foreach (@fields) {
	return 0 if $_ < 0 || $_ > 255;
    }
    return 1;
}

sub netmask {
    my ($ip) = @_;
    return "255.255.255.0" unless is_ip($ip);
    $ip =~ $ip_regexp;
    if ($1 >= 1 && $1 < 127) {
	return "255.0.0.0";    #-1.0.0.0 to 127.0.0.0
    } elsif ($1  >= 128 && $1 <= 191 ){
	return "255.255.0.0";  #-128.0.0.0 to 191.255.0.0
    } elsif ($1 >= 192 && $1 <= 223) {
	return "255.255.255.0";
    } else {
	return "255.255.255.255"; #-experimental classes
    }
}

sub masked_ip {
    my ($ip) = @_;
    return "" unless is_ip($ip);
    my @mask = netmask($ip) =~ $ip_regexp;
    my @ip   = $ip          =~ $ip_regexp;
    for (my $i = 0; $i < @ip; $i++) {
	$ip[$i] &= int $mask[$i];
    }
    join(".", @ip);
}

sub dns {
    my ($ip) = @_;
    my $mask = masked_ip($ip);
    my @masked = masked_ip($ip) =~ $ip_regexp;
    $masked[3]  = 1;
    join (".", @masked);

}
sub gateway {
    my ($ip) = @_;
    my @masked = masked_ip($ip) =~ $ip_regexp;
    $masked[3]  = 254;
    join (".", @masked);

}

#-######################################################################################
#- Wonderful perl :(
#-######################################################################################
1;