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/trunk/maintenance/pattern-generator/generate_asn
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#!/usr/bin/php
<?php
 
#
# generic Whois - Automatic Pattern Generator: ASN
#
# (c) 2012 Daniel Marschall, ViaThinkSoft [www.viathinksoft.de]
#
# Distribution, usage etc. pp. regulated by the current version of GPL.
#
#
# Version 2012-11-17
#
 
# TODO: also use extended stats of the RIRs, which may have avails / reserved?
 
error_reporting(E_ALL | E_NOTICE | E_STRICT | E_DEPRECATED);
 
require_once __DIR__ . '/config.inc.php';
require_once __DIR__ . '/../../shared/php_includes/common_functions.inc.php';
require_once __DIR__ . '/rirs.inc.php';
 
define('PATTERN_DIR', __DIR__ . '/../../main/pattern');
define('IANA_CACHE_DIR', __DIR__ . '/../.cache/pattern-generator/iana');
 
echo "ASN Preparation: Get IANA delegation file\n";
 
$iana_asn_url = "https://www.iana.org/assignments/as-numbers/as-numbers.txt";
$iana_asn_cache = IANA_CACHE_DIR . '/as-numbers.txt';
if ((USE_CACHE) && (file_exists($iana_asn_cache))) {
@mkdir(dirname($iana_asn_cache), 0777, true);
$iana_asn_data = file($iana_asn_cache, FILE_IGNORE_NEW_LINES);
} else {
$iana_asn_data = file($iana_asn_url, FILE_IGNORE_NEW_LINES);
}
 
echo "ASN: Parsing...\n";
 
$version = trim(str_replace('-', '', $iana_asn_data[3]));
 
$iana_asn_data = grep($iana_asn_data, 'whois');
 
$iana_asn_data = implode("\n", $iana_asn_data);
 
$iana_asn_data = str_replace('Assigned by RIPE NCC', '', $iana_asn_data);
$iana_asn_data = str_replace('Assigned by AFRINIC', '', $iana_asn_data); // do not change to 'AfriNIC' !
$iana_asn_data = str_replace('Assigned by LACNIC', '', $iana_asn_data);
$iana_asn_data = str_replace('Assigned by APNIC', '', $iana_asn_data);
$iana_asn_data = str_replace('Assigned by ARIN', '', $iana_asn_data);
 
while (strpos($iana_asn_data, ' ') !== false) {
$iana_asn_data = str_replace(' ', ' ', $iana_asn_data);
}
 
$out = '';
 
$ary = explode("\n", $iana_asn_data);
 
$res = array();
 
foreach ($ary as &$x) {
$x = trim($x);
if ($x == '') continue;
$bry = explode(" ", $x);
 
$asnums = $bry[0];
$whois = $bry[1];
 
if (strpos($asnums, '-') === false) {
# Single ASN
$res[$whois][$asnums] = $asnums;
} else {
# ASN range
$tmp = explode('-', $asnums, 2);
$res[$whois][$tmp[0]] = $tmp[1];
}
}
 
$out .= "#: version $version\n\n";
 
$out .= "# Autonomous System Numbers (ASN)\n";
$out .= "# Automatically generated by ".__DIR__."/gwhois-pattern-update\n";
$out .= "# Generation timestamp: ".date('Y-m-d H:i:s \G\M\TO')."\n";
$out .= "# Source: ($version) $iana_asn_url\n";
$out .= "\n";
 
foreach ($res as $whois => &$x) {
$rir = array_search($whois, $rir_whois_server);
 
if ($asn_additional_params[$rir] != '') {
$whois .= '|prefix='.$asn_additional_params[$rir].'|';
}
 
$out .= "# ".strtoupper($rir)."\n";
$out .= ":whois|$whois\n";
 
foreach ($x as $begin => &$end) {
if ($begin == $end) {
# Single ASN
$out .= "*AS:$begin\n";
} else {
# ASN Range
$out .= "*AS:$begin-$end\n";
}
}
$out .= "\n";
}
 
$out .= "# Last resort: ARIN\n";
$out .= ":whois|whois.arin.net|prefix=a |\n";
$out .= "^as(.*)$\n";
 
echo "ASN: Write to output file\n";
 
$h = fopen(PATTERN_DIR.'/asn', 'w') or die('Error opening file '.PATTERN_DIR.'/asn');
fwrite($h, $out) or die('Could not write to output file');
fclose($h);
 
echo "ASN Finished\n";
Property changes:
Added: svn:executable
+*
\ No newline at end of property