Updated roagen script to be able to capture and use max-length value
This commit is contained in:
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69f3c9198f
commit
52bca474a6
357
roagen.php
357
roagen.php
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@ -5,196 +5,231 @@ echo shell_exec("/usr/bin/git -C ../registry/ pull origin master:master 2>&1");
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/*
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/*
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* Function:
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* Function:
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* startsWith( $string, 'word')
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* startsWith ($string, "word", $length)
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*
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*
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* Find lines beginning with 'word'.
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* Find lines beginning with "word". Optionally
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* give the length of the string you are looking for.
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*/
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*/
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function startsWith($haystack, $needle)
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function startsWith ($haystack, $needle, $length = "0")
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{
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{
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$length = strlen($needle);
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if ($length <= 0 || $length > (strlen ($needle)))
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return (substr($haystack, 0, $length) === $needle);
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$length = strlen ($needle);
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return (substr ($haystack, 0, $length) === $needle);
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}
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}
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/*
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/*
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* Function:
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* Function:
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* endsWith( $string, 'word')
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* endsWith ($string, "word")
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*
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*
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* Find lines ending with 'word'.
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* Find lines ending with "word".
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*/
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*/
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function endsWith($haystack, $needle)
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function endsWith ($haystack, $needle)
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{
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{
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$length = strlen($needle);
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$length = strlen ($needle);
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if ($length == 0) {
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return true;
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}
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return (substr($haystack, -$length) === $needle);
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if ($length == 0)
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return true;
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return (substr( $haystack, -$length) === $needle);
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}
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}
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// Create empty array $roas
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/*
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* Function:
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* trim_special_chars ($string)
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*
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* Remove special characters.
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*/
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function trim_special_chars ($string)
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{
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return (trim ($string, " \t\n\r\0\x0B"));
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}
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// Define array() we are going to populate with data.
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$roas = array();
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$roas = array();
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// Set folders we need to scan.
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$files6 = scandir("../registry/data/route6/");
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$files4 = scandir("../registry/data/route/");
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/*
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/*
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*
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*
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* IPv6 route objects
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* IPv6
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*
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*
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*/
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*/
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// Set directory for which all files are to be scanned
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$i = 0; // Counter used with tmp $raw_array.
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$files = scandir('../registry/data/route6/');
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$raw_array = array(); // tmp array() used for storing data to be processed
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foreach ($files6 as $file)
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$h = 0; // count up when reading new file
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$i = 0; // used when loop through sub-arrays. I.e. when route objects have more than one listed origin asn
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foreach($files as $file)
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{
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{
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$handle = fopen("../registry/data/route6/$file", "r");
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$j = 0;
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while (($line = fgets($handle)) !== false) {
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// extract var $ta
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/*
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if (startsWith($line,'source')) {
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* route6 with maxLength value set:
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$source = array();
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* - fd42:5d71:219::/48
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preg_match('/([A-Z0-4]+)/',explode(':', $line)[1], $source);
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*
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$ta = $source[1];
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* $ cat ../registry/data/route6/fd42:5d71:219::_48
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}
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* route6: fd42:5d71:219::/48
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// extract var $route
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* origin: AS4242420119
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// extract var $maskLength
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* max-length: 48
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if (startsWith($line,'route6')) {
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* mnt-by: JRB0001-MNT
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$prefix = array();
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* source: DN42
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$line2 = explode('6: ', $line);
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*/
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// validate v6 netmasks with following cmd
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// cmd: ls -1 ../registry/data/route6/ | egrep -o "\b\_[0-9]+\b" | sed 's/\_//' | sort -n | uniq
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$data = file("../registry/data/route6/$file");
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preg_match('/([a-f0-9\:]{0,128})\/(32|40|4[4-9]|5[0-9]|6[0-4]|80)/', $line2[1], $prefix);
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$route = $prefix[0];
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foreach ($data as $str)
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$mask = $prefix[2];
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{
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}
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$str = trim_special_chars ($str);
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// extract var $maxLength
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/*if (startsWith($line,'max-length')) {
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if (startsWith ($str, ("max"), 3)) $raw_array[$i]["max"] = $str;
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$maxLength = array();
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elseif (startsWith ($str, ("source"), 6)) $raw_array[$i]["source"] = $str;
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preg_match('/([0-9]+)/',explode(':', $line)[1], $maxLength);
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elseif (startsWith ($str, ("route"), 5)) $raw_array[$i]["route"] = $str;
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$maxLength = $maxLength[1];
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elseif (startsWith ($str, ("origin"), 6)) $raw_array[$i]["asn"][$j++] = $str;
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} else {
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$maxLength = '';
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// Catch max-length not set in route object.
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}*/
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if (empty ($raw_array[$i]["max"])) $raw_array[$i]["max"] = -1;
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// extract var $asn
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}
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if (startsWith($line, 'origin')) {
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$i++;
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$asn = array();
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}
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preg_match('/AS[0-9]+/', explode(':', $line)[1], $asn);
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if (count($asn) > 1) {
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$k = 0;
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foreach ($asn as $key => $value) {
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if (!empty($value)) {
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foreach ($raw_array as $sub_array)
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$roas['roas'][$i]['asn'] = $asn[0];
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{
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$roas['roas'][$i]['prefix'] = $route;
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// Extract prefix and subnet size
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/*if (isset($ta)) {
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// Match prefix sizes 29-64, 80.
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if ($ta == 'DN42') {
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$prefix = array();
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$mask = ($mask <= 64 ? '64' : $mask);
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preg_match("/([a-f0-9\:]{0,128})\/(29|[3-5][0-9]|6[0-4]|80)/",
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if ($maxLength != '') $mask = $maxLength;
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explode("6: ", $sub_array["route"])[1],
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}
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$prefix);
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} else {
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$ta = 'NULL';
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// Extract ta information
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}*/
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$source = array();
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$roas['roas'][$i]['maxLength'] = $mask;
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preg_match ("/([A-Z0-4]+)/",
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$roas['roas'][$i]['ta'] = (empty($ta) ? '' : $ta);
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explode(":", $sub_array["source"])[1],
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$i++;
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$source);
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}
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}
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// Try to extract max-length information
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} else {
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$maxlength = array();
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$roas['roas'][$i]['asn'] = $asn[0];
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if (($sub_array["max"]) != -1)
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$roas['roas'][$i]['prefix'] = $route;
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preg_match ("/([0-9]+)/",
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/*if (isset($ta)) {
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explode(":", $sub_array["max"])[1],
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if ($ta == 'DN42') {
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$maxlength);
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$mask = ($mask <= 64 ? '64' : $mask);
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if ($maxLength != '') $mask = $maxLength;
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// Store extracted values
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}
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$_prefix = $prefix[0];
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} else {
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$_ta = (isset ($source[0]) ? $source[0] : "");
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$ta = 'NULL';
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// We need to do conditional setting of maxLength to avoid errornous output.
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}*/
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if (($sub_array["max"]) != -1)
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$roas['roas'][$i]['maxLength'] = $mask;
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$_maxlength = (isset ($maxlength[0]) ? $maxlength[0] : "");
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$roas['roas'][$i]['ta'] = (empty($ta) ? '' : $ta);
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else
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$i++;
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// Do fallback to default prefix size if max-length was not set.
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}
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$_maxlength = $prefix[2];
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}
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}
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// Loop through each asn in single route6 object and assign
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fclose($handle); // close $file when finished reading data
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// other values accordingly.
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$h++;
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foreach ($sub_array["asn"] as $asn)
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{
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// Extract ASxxxxx from string.
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preg_match ("/AS[0-9]+/", explode (":", $asn)[1], $_asn);
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$roas["roas"][$k]["asn"] = $_asn[0];
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$roas["roas"][$k]["prefix"] = $_prefix;
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$roas["roas"][$k]["maxLength"] = $_maxlength;
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$roas["roas"][$k]["ta"] = $_ta;
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$k++;
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}
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}
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}
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/*
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/*
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*
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*
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* IPv4 route objects
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* IPv4
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*
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*
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*/
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*/
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// Set directory for which all files are to be scanned
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$i = 0; // Counter used with tmp $raw_array.
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$files = scandir('../registry/data/route/');
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$raw_array = array(); // tmp array() used for storing data to be processed
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foreach ($files4 as $file)
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foreach($files as $file)
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{
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{
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$handle = fopen("../registry/data/route/$file", "r");
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$j = 0;
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while (($line = fgets($handle)) !== false) {
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// extract var $ta
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/*
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if (startsWith($line,'source')) {
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* route with maxLength value set:
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$source = array();
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* - 172.20.1.0/24
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preg_match('/([A-Z0-4]+)/',explode(':', $line)[1], $source);
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*
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$ta = $source[1];
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* $ cat ../registry/data/route/172.20.1.0_24
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}
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* route: 172.20.1.0/24
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// extract var $route
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* origin: AS4242420119
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// extract var $maskLength
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* max-length: 24
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if (startsWith($line,'route')) {
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* mnt-by: JRB0001-MNT
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$prefix = array();
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* source: DN42
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preg_match('/(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\/(3[0-2]|[0-2]?[0-9])/', explode(':', $line)[1], $prefix);
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*/
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$route = $prefix[0];
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$mask = $prefix[5];
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$data = file("../registry/data/route/$file");
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}
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// extract var $maxLength
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foreach ($data as $str)
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/*$maxLength = ''; // ensure var is null when starting new loop
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{
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if (startsWith($line,'max-length')) {
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$str = trim_special_chars ($str);
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$maxLength = array();
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preg_match('/([0-9]+)/',explode(':', $line)[1], $maxLength);
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if (startsWith ($str, ("max"), 3)) $raw_array[$i]["max"] = $str;
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$maxLength = $maxLength[1];
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elseif (startsWith ($str, ("source"), 6)) $raw_array[$i]["source"] = $str;
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} else {
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elseif (startsWith ($str, ("route"), 5)) $raw_array[$i]["route"] = $str;
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$maxLength = '';
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elseif (startsWith ($str, ("origin"), 6)) $raw_array[$i]["asn"][$j++] = $str;
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}*/
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// extract var $asn
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// Catch max-length not set in route object.
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if (startsWith($line, 'origin')) {
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if (empty ($raw_array[$i]["max"])) $raw_array[$i]["max"] = -1;
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$asn = array();
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}
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preg_match('/AS[0-9]+/', explode(':', $line)[1], $asn);
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$i++;
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if (count($asn) > 1) {
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}
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foreach ($asn as $key => $value) {
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if (!empty($value)) {
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foreach ($raw_array as $sub_array)
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$roas['roas'][$i]['asn'] = $asn[0];
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{
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$roas['roas'][$i]['prefix'] = $route;
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// Extract prefix and subnet size
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/*if (isset($ta)) {
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// Match prefix sizes 8-32.
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if ($ta == 'DN42') {
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$prefix = array();
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$mask = ($mask <= 28 ? '28' : $mask);
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preg_match("/([0-9\.]{7,15})\/([8-9]|[1-2][0-9]|3[0-2])/",
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if ($maxLength != '') $mask = $maxLength;
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explode(":", $sub_array["route"])[1],
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}
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$prefix);
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} else {
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$ta = 'NULL';
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// Extract ta information
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}*/
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$source = array();
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$roas['roas'][$i]['maxLength'] = $mask;
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preg_match ("/([A-Z0-4]+)/",
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$roas['roas'][$i]['ta'] = (empty($ta) ? '' : $ta);
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explode(":", $sub_array["source"])[1],
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$i++;
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$source);
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}
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}
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// Try to extract max-length information
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} else {
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$maxlength = array();
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$roas['roas'][$i]['asn'] = $asn[0];
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if (($sub_array["max"]) != -1)
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$roas['roas'][$i]['prefix'] = $route;
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preg_match ("/([0-9]+)/",
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/*if (isset($ta)) {
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explode(":", $sub_array["max"])[1],
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if ($ta == 'DN42') {
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$maxlength);
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$mask = ($mask <= 28 ? '28' : $mask);
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if ($maxLength != '') $mask = $maxLength;
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// Store extracted values
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}
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$_prefix = $prefix[0];
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} else {
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$_ta = (isset ($source[0]) ? $source[0] : "");
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$ta = 'NULL';
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// We need to do conditional setting of maxLength to avoid errornous output.
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}*/
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if (($sub_array["max"]) != -1)
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$roas['roas'][$i]['maxLength'] = $mask;
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$_maxlength = (isset ($maxlength[0]) ? $maxlength[0] : "");
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$roas['roas'][$i]['ta'] = (empty($ta) ? '' : $ta);
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else
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$i++;
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// Do fallback to default prefix size if max-length was not set.
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}
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$_maxlength = $prefix[2];
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}
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}
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// Loop through each asn in single route6 object and assign
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fclose($handle); // close $file when finished reading data
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// other values accordingly.
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$h++;
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foreach ($sub_array["asn"] as $asn)
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{
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// Extract ASxxxxx from string.
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preg_match ("/AS[0-9]+/", explode (":", $asn)[1], $_asn);
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$roas["roas"][$k]["asn"] = $_asn[0];
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$roas["roas"][$k]["prefix"] = $_prefix;
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$roas["roas"][$k]["maxLength"] = $_maxlength;
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$roas["roas"][$k]["ta"] = $_ta;
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$k++;
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}
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}
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}
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// Do JSON encoding before writing result to file
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// Do JSON encoding before writing result to file
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