apply the security fix from

http://www.python.org/security/PSF-2005-001/
This disables hierarchical object lookups in SimpleXMLRPCServer.
Unfortunately, this breaks some applications (eg kenosis). Don't
shoot me for this.
bump PKGREVISION

1 files changed, 82 insertions, 0 deletions

diff --git a/lang/python23/patches/patch-an b/lang/python23/patches/patch-an
new file mode 100644
index 00000000000..a0822ac0372
--- /dev/null
+++ b/lang/python23/patches/patch-an
@@ -0,0 +1,82 @@
+$NetBSD: patch-an,v 1.3 2005/02/04 15:39:04 drochner Exp $
+
+--- Lib/SimpleXMLRPCServer.py.orig	2003-06-29 06:19:37.000000000 +0200
++++ Lib/SimpleXMLRPCServer.py
+@@ -107,14 +107,22 @@ import sys
+ import types
+ import os
+ 
+-def resolve_dotted_attribute(obj, attr):
++def resolve_dotted_attribute(obj, attr, allow_dotted_names=True):
+     """resolve_dotted_attribute(a, 'b.c.d') => a.b.c.d
+ 
+     Resolves a dotted attribute name to an object.  Raises
+     an AttributeError if any attribute in the chain starts with a '_'.
++
++    If the optional allow_dotted_names argument is false, dots are not
++    supported and this function operates similar to getattr(obj, attr).
+     """
+ 
+-    for i in attr.split('.'):
++    if allow_dotted_names:
++        attrs = attr.split('.')
++    else:
++        attrs = [attr]
++
++    for i in attrs:
+         if i.startswith('_'):
+             raise AttributeError(
+                 'attempt to access private attribute "%s"' % i
+@@ -156,7 +164,7 @@ class SimpleXMLRPCDispatcher:
+         self.funcs = {}
+         self.instance = None
+ 
+-    def register_instance(self, instance):
++    def register_instance(self, instance, allow_dotted_names=False):
+         """Registers an instance to respond to XML-RPC requests.
+ 
+         Only one instance can be installed at a time.
+@@ -174,9 +182,23 @@ class SimpleXMLRPCDispatcher:
+ 
+         If a registered function matches a XML-RPC request, then it
+         will be called instead of the registered instance.
++
++        If the optional allow_dotted_names argument is true and the
++        instance does not have a _dispatch method, method names
++        containing dots are supported and resolved, as long as none of
++        the name segments start with an '_'.
++
++            *** SECURITY WARNING: ***
++
++            Enabling the allow_dotted_names options allows intruders
++            to access your module's global variables and may allow
++            intruders to execute arbitrary code on your machine.  Only
++            use this option on a secure, closed network.
++
+         """
+ 
+         self.instance = instance
++        self.allow_dotted_names = allow_dotted_names
+ 
+     def register_function(self, function, name = None):
+         """Registers a function to respond to XML-RPC requests.
+@@ -295,7 +317,8 @@ class SimpleXMLRPCDispatcher:
+                 try:
+                     method = resolve_dotted_attribute(
+                                 self.instance,
+-                                method_name
++                                method_name,
++                                self.allow_dotted_names
+                                 )
+                 except AttributeError:
+                     pass
+@@ -374,7 +397,8 @@ class SimpleXMLRPCDispatcher:
+                     try:
+                         func = resolve_dotted_attribute(
+                             self.instance,
+-                            method
++                            method,
++                            self.allow_dotted_names
+                             )
+                     except AttributeError:
+                         pass