From 19126c9ae309aebb7c802006df37a9a0dbe65077 Mon Sep 17 00:00:00 2001
From: Christopher Harvey <chris@basementcode.com>
Date: Tue, 17 Aug 2010 06:17:35 -0400
Subject: Added ip check to make sure ips in /etc/hosts are valid.

---
 modules/hosts/ipMatch.py | 15 +++++++++++++++
 modules/hosts/main.xml   |  4 ++--
 2 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 modules/hosts/ipMatch.py

diff --git a/modules/hosts/ipMatch.py b/modules/hosts/ipMatch.py
new file mode 100644
index 0000000..f633cd5
--- /dev/null
+++ b/modules/hosts/ipMatch.py
@@ -0,0 +1,15 @@
+import re
+
+def validate(userIn):
+    ipVer4 = "^(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}$"
+    ipVer6Std = "^(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$"
+    ipVer6Hex = "^((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)::((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)$"
+
+    if(re.match(ipVer4, userIn)!=None):
+        return True
+    elif(re.match(ipVer6Std, userIn)!=None):
+        return True
+    elif(re.match(ipVer6Hex, userIn)!=None):
+        return True
+
+    return False
diff --git a/modules/hosts/main.xml b/modules/hosts/main.xml
index 4b17844..df647e0 100644
--- a/modules/hosts/main.xml
+++ b/modules/hosts/main.xml
@@ -1,7 +1,7 @@
 <VentooModule>
   <root mult="*">
-    <ipaddr mult="1" docurl="ipaddr.html"/>
+    <ipaddr mult="1" docurl="ipaddr.html" validate="ipMatch.py"/>
     <canonical mult="1"/>
     <alias mult="*"/>
   </root>
-</VentooModule>
\ No newline at end of file
+</VentooModule>
-- 
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