/
ip-listing.php
executable file
·105 lines (86 loc) · 2.59 KB
/
ip-listing.php
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#!/usr/bin/php
<?php
function isIp( $str )
{
return preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\z/', trim($str) );
}
function ip2bin( $ip )
{
$bin = '';
$tmp = explode( '.', $ip );
foreach( $tmp as $t ) {
$bin .= sprintf( '%08d', decbin($t) );
}
return $bin;
}
function bin2ip( $bin )
{
return long2ip( bindec($bin) );
}
function subnet( $ip, $netmask )
{
$b_ip = ip2bin($ip);
//echo 'ADDRESS= '.$ip.' -> '.$b_ip."\n";
$b_netmask = str_pad( str_pad('', $netmask, 1), 32, 0, STR_PAD_RIGHT );
//echo 'NETMASK= '.$netmask.' -> '.$b_netmask."\n";
$b_wildcard = str_pad( str_pad('', $netmask, 0), 32, 1, STR_PAD_RIGHT );
$wildcard = bin2ip($b_wildcard);
//echo 'WILDCARD= '.$wildcard.' -> '.$b_wildcard."\n";
$b_network = $b_ip & $b_netmask;
$network = bin2ip($b_network);
//echo 'NETWORK= '.$network.' -> '.$b_network."\n";
$b_broadcast = str_pad( substr($b_ip, 0, $netmask), 32, 1, STR_PAD_RIGHT );
$broadcast = bin2ip( $b_broadcast );
//echo 'BROADCAST= '.$broadcast.' -> '.$b_broadcast."\n";
$b_min_host = str_pad( substr($b_network, 0, $netmask), 32, 0, STR_PAD_RIGHT );
$min_host = bin2ip( $b_min_host );
//echo 'MIN_HOST= '.$min_host.' -> '.$b_min_host."\n";
$b_max_host = str_pad( substr($b_network, 0, $netmask), 32, 1, STR_PAD_RIGHT );
$max_host = bin2ip( $b_max_host );
//echo 'MAX_HOST= '.$max_host.' -> '.$b_max_host."\n";
return [$min_host,$max_host];
}
function usage( $err=null ) {
echo "Usage: php ".$_SERVER['argv'][0]." <start ip> <end ip> [<step>] || php ".$_SERVER['argv'][0]." <ip/mask> [<step>]\n";
if( $err ) {
echo 'Error: '.$err."!\n";
}
exit();
}
if( $_SERVER['argc'] < 2 || $_SERVER['argc'] > 4 ) {
usage();
}
$mask = null;
if( strstr($_SERVER['argv'][1],'/') )
{
if( $_SERVER['argc'] < 2 || $_SERVER['argc'] > 3 ) {
usage();
}
list($start,$mask) = explode( '/', $_SERVER['argv'][1] );
$mask = (int)$mask;
$step = isset($_SERVER['argv'][2]) ? (int)$_SERVER['argv'][2] : 1;
list($start,$end) = subnet( $start, $mask );
$start = ip2long( $start );
$end = ip2long( $end );
}
else
{
if( $_SERVER['argc'] < 3 || $_SERVER['argc'] > 4 ) {
usage();
}
if( !isIp($_SERVER['argv'][1]) ) {
usage($_SERVER['argv'][1].' is not a valid ip address');
}
if( !isIp($_SERVER['argv'][2]) ) {
usage($_SERVER['argv'][2].' is not a valid ip address');
}
$reverse = false;
$start = ip2long( $_SERVER['argv'][1] );
$end = ip2long( $_SERVER['argv'][2] );
$step = isset($_SERVER['argv'][3]) ? (int)$_SERVER['argv'][3] : 1;
}
$t_ip = range( $start, $end, $step );
array_walk( $t_ip, create_function('&$v', '$v=long2ip($v);') );
echo implode( "\n", $t_ip )."\n";
exit();
?>