[PATCHES] more mirrorlist fixes

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>From 2530807e1216786ea5dac8110cbb27a2f25103a3 Mon Sep 17 00:00:00 2001
From: Adrian Reber <adrian@xxxxxxxx>
Date: Sun, 16 May 2010 17:15:22 -0500
Subject: [PATCH 1/2] mirrorlist_server: handle bad client IP address input

Signed-off-by: Matt Domsch <matt@xxxxxxxxxx>
---
 mirrorlist-server/mirrorlist_server.py |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/mirrorlist-server/mirrorlist_server.py b/mirrorlist-server/mirrorlist_server.py
index 0de7132..e909927 100755
--- a/mirrorlist-server/mirrorlist_server.py
+++ b/mirrorlist-server/mirrorlist_server.py
@@ -298,7 +298,10 @@ def do_internet2(kwargs, cache, clientCountry, header):
     client_ip = kwargs['client_ip']
     if client_ip == 'unknown':
         return (header, hostresults)
-    ip = IP(client_ip)
+    try:
+        ip = IP(client_ip)
+    except:
+        return (header, hostresults)
     asn = lookup_ip_asn(internet2_tree, ip)
     if asn is not None:
         header += 'Using Internet2 '
@@ -312,7 +315,10 @@ def do_asn(kwargs, cache, header):
     client_ip = kwargs['client_ip']
     if client_ip == 'unknown':
         return (header, hostresults)
-    ip = IP(client_ip)
+    try:
+        ip = IP(client_ip)
+    except:
+        return (header, hostresults)
     asn = lookup_ip_asn(global_tree, ip)
     if asn is not None and asn in asn_host_cache:
         for hostid in asn_host_cache[asn]:
-- 
1.7.0.1


>From bb8c3038cf9f76fa39e8580a990d7d9edef7f43c Mon Sep 17 00:00:00 2001
From: Matt Domsch <Matt_Domsch@xxxxxxxx>
Date: Mon, 17 May 2010 10:15:34 -0500
Subject: [PATCH 2/2] mirrorlist_server: handle more failures gracefully

Handle being passed a bad country= value.

Catch all failures in do_mirrorlist() and return a proper error
message.  This should also prevent failures in mirrorlist_server from
causing mirrorlist_client() to spin indefinitely waiting for an answer.
---
 mirrorlist-server/mirrorlist_server.py |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/mirrorlist-server/mirrorlist_server.py b/mirrorlist-server/mirrorlist_server.py
index e909927..0d73469 100755
--- a/mirrorlist-server/mirrorlist_server.py
+++ b/mirrorlist-server/mirrorlist_server.py
@@ -262,7 +262,7 @@ def do_countrylist(kwargs, cache, clientCountry, requested_countries, header):
 def get_same_continent_countries(clientCountry, requested_countries):
     result = []
     for r in requested_countries:
-        if r is not None:
+        if r in country_continents:
             requestedCountries = [c.upper() for c in continents[country_continents[r]] \
                                       if c != clientCountry ]
             result.extend(requestedCountries)
@@ -690,17 +690,22 @@ class MirrorlistHandler(StreamRequestHandler):
             pass
 
         try:
-            r = do_mirrorlist(d)
+            try:
+                r = do_mirrorlist(d)
+            except:
+                raise
             message = r['message']
             results = r['results']
             resulttype = r['resulttype']
             returncode = r['returncode']
         except:
-            message='# Server Error'
+            message=u'# Bad Request'
+            returncode = 400
+            results = []
+            resulttype = 'mirrorlist'
             if d['metalink']:
                 resulttype = 'metalink'
-            results = errordoc(d['metalink'], message)
-            returncode = 500
+                results = errordoc(d['metalink'], message)
         del d
         del p
 
-- 
1.7.0.1



-- 
Matt Domsch
Technology Strategist
Dell | Office of the CTO

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