From 1fe2859496a1d999f6a5926bff75ab6666fea156 Mon Sep 17 00:00:00 2001
From: Guillaume Mazoyer <respawneral@gmail.com>
Date: Fri, 20 Jun 2014 23:44:35 +0200
Subject: Add config to allow private AS numbers.

---
 utils.php | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

(limited to 'utils.php')

diff --git a/utils.php b/utils.php
index 6ead112..bf14096 100644
--- a/utils.php
+++ b/utils.php
@@ -41,6 +41,8 @@ function match_fqdn($fqdn) {
 }
 
 function match_as($as) {
+  global $config;
+
   $options_wide_range = array(
     'options' => array('min_range' => 1, 'max_range' => 4294967294)
   );
@@ -51,9 +53,21 @@ function match_as($as) {
     'options' => array('min_range' => 4200000000, 'max_range' => 4294967294)
   );
 
-  return (filter_var($as, FILTER_VALIDATE_INT, $options_wide_range) &&
-         !filter_var($as, FILTER_VALIDATE_INT, $options_16bit_private) &&
-         !filter_var($as, FILTER_VALIDATE_INT, $options_32bit_private));
+  if (!filter_var($as, FILTER_VALIDATE_INT, $options_wide_range)) {
+    return false;
+  }
+
+  if (filter_var($as, FILTER_VALIDATE_INT, $options_16bit_private)) {
+    return isset($config['misc']['allow_private_asn']) &&
+      $config['misc']['allow_private_asn'] == true;
+  }
+
+  if (filter_var($as, FILTER_VALIDATE_INT, $options_32bit_private)) {
+    return isset($config['misc']['allow_private_asn']) &&
+      $config['misc']['allow_private_asn'] == true;
+  }
+
+  return true;
 }
 
 function match_aspath_regex($aspath_regex) {
-- 
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