Add fix for CVE-2010-3492 and update the fix for CVE-2010-3493. Both

fixes taken from the Python 2.7 branch in the Python SVN repository.

4 files changed, 218 insertions, 39 deletions

diff --git a/lang/python26/patches/patch-aw b/lang/python26/patches/patch-aw
deleted file mode 100644
index c3b5f7203ab..00000000000
--- a/lang/python26/patches/patch-aw
+++ /dev/null
@@ -1,39 +0,0 @@
-$NetBSD: patch-aw,v 1.1 2010/11/17 18:44:07 tez Exp $
-
-Fix for SA41968 (CVE-2010-3493) from the 2.7 branch repo
-http://svn.python.org/view/python/branches/release27-maint/Lib/smtpd.py?r1=86084&r2=82503&view=patch
-
---- Lib/smtpd2.6.py.orig	2010-06-30 12:41:25.000000000 -0500
-+++ Lib/smtpd2.6.py	2010-11-17 12:19:14.825489100 -0600
-@@ -121,7 +121,15 @@
-         self.__rcpttos = []
-         self.__data = ''
-         self.__fqdn = socket.getfqdn()
--        self.__peer = conn.getpeername()
-+        try:
-+            self.__peer = conn.getpeername()
-+        except socket.error, err:
-+            # a race condition  may occur if the other end is closing
-+            # before we can get the peername
-+            self.close()
-+            if err[0] != errno.ENOTCONN:
-+                raise
-+            return
-         print >> DEBUGSTREAM, 'Peer:', repr(self.__peer)
-         self.push('220 %s %s' % (self.__fqdn, __version__))
-         self.set_terminator('\r\n')
-@@ -291,9 +299,11 @@
-                 localaddr, remoteaddr)
- 
-     def handle_accept(self):
--        conn, addr = self.accept()
--        print >> DEBUGSTREAM, 'Incoming connection from %s' % repr(addr)
--        channel = SMTPChannel(self, conn, addr)
-+        pair = self.accept()
-+        if pair is not None:
-+            conn, addr = pair
-+            print >> DEBUGSTREAM, 'Incoming connection from %s' % repr(addr)
-+            channel = SMTPChannel(self, conn, addr)
- 
-     # API for "doing something useful with the message"
-     def process_message(self, peer, mailfrom, rcpttos, data):
diff --git a/lang/python26/patches/patch-ba b/lang/python26/patches/patch-ba
new file mode 100644
index 00000000000..4c9af031344
--- /dev/null
+++ b/lang/python26/patches/patch-ba
@@ -0,0 +1,104 @@
+$NetBSD: patch-ba,v 1.1 2010/11/23 08:24:04 tron Exp $
+
+Fix for CVE-2010-3492, taken from the Python SVN repository:
+
+http://svn.python.org/view?view=rev&revision=86084
+
+--- Doc/library/asyncore.rst.orig	2010-05-19 15:14:45.000000000 +0100
++++ Doc/library/asyncore.rst	2010-11-22 18:11:58.000000000 +0000
+@@ -211,10 +211,13 @@
+    .. method:: accept()
+ 
+       Accept a connection.  The socket must be bound to an address and listening
+-      for connections.  The return value is a pair ``(conn, address)`` where
+-      *conn* is a *new* socket object usable to send and receive data on the
+-      connection, and *address* is the address bound to the socket on the other
+-      end of the connection.
++      for connections.  The return value can be either ``None`` or a pair
++      ``(conn, address)`` where *conn* is a *new* socket object usable to send
++      and receive data on the connection, and *address* is the address bound to
++      the socket on the other end of the connection.
++      When ``None`` is returned it means the connection didn't take place, in
++      which case the server should just ignore this event and keep listening
++      for further incoming connections.
+ 
+ 
+    .. method:: close()
+@@ -224,6 +227,12 @@
+       flushed).  Sockets are automatically closed when they are
+       garbage-collected.
+ 
++.. class:: dispatcher_with_send()
++
++   A :class:`dispatcher` subclass which adds simple buffered output capability,
++   useful for simple clients. For more sophisticated usage use
++   :class:`asynchat.async_chat`.
++
+ .. class:: file_dispatcher()
+ 
+    A file_dispatcher takes a file descriptor or file object along with an
+@@ -240,7 +249,7 @@
+    socket for use by the :class:`file_dispatcher` class.  Availability: UNIX.
+ 
+ 
+-.. _asyncore-example:
++.. _asyncore-example-1:
+ 
+ asyncore Example basic HTTP client
+ ----------------------------------
+@@ -250,7 +259,7 @@
+ 
+    import asyncore, socket
+ 
+-   class http_client(asyncore.dispatcher):
++   class HTTPClient(asyncore.dispatcher):
+ 
+        def __init__(self, host, path):
+            asyncore.dispatcher.__init__(self)
+@@ -274,6 +283,45 @@
+            sent = self.send(self.buffer)
+            self.buffer = self.buffer[sent:]
+ 
+-   c = http_client('www.python.org', '/')
+ 
++   client = HTTPClient('www.python.org', '/')
+    asyncore.loop()
++
++.. _asyncore-example-2:
++
++asyncore Example basic echo server
++----------------------------------
++
++Here is abasic echo server that uses the :class:`dispatcher` class to accept
++connections and dispatches the incoming connections to a handler::
++
++    import asyncore
++    import socket
++
++    class EchoHandler(asyncore.dispatcher_with_send):
++
++        def handle_read(self):
++            data = self.recv(8192)
++            self.send(data)
++
++    class EchoServer(asyncore.dispatcher):
++
++        def __init__(self, host, port):
++            asyncore.dispatcher.__init__(self)
++            self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
++            self.set_reuse_addr()
++            self.bind((host, port))
++            self.listen(5)
++
++        def handle_accept(self):
++            pair = self.accept()
++            if pair is None:
++                pass
++            else:
++                sock, addr = pair
++                print 'Incoming connection from %s' % repr(addr)
++                handler = EchoHandler(sock)
++
++    server = EchoServer('localhost', 8080)
++    asyncore.loop()
++
diff --git a/lang/python26/patches/patch-bb b/lang/python26/patches/patch-bb
new file mode 100644
index 00000000000..7cde546eff2
--- /dev/null
+++ b/lang/python26/patches/patch-bb
@@ -0,0 +1,28 @@
+$NetBSD: patch-bb,v 1.1 2010/11/23 08:24:04 tron Exp $
+
+Fix for CVE-2010-3492, taken from the Python SVN repository:
+
+http://svn.python.org/view?view=rev&revision=86084
+
+--- Lib/asyncore.py.orig	2010-08-13 02:30:39.000000000 +0100
++++ Lib/asyncore.py	2010-11-22 18:13:52.000000000 +0000
+@@ -348,12 +348,15 @@
+         # XXX can return either an address pair or None
+         try:
+             conn, addr = self.socket.accept()
+-            return conn, addr
+-        except socket.error, why:
+-            if why.args[0] == EWOULDBLOCK:
+-                pass
++        except TypeError:
++            return None
++        except socket.error as why:
++            if why.args[0] in (EWOULDBLOCK, ECONNABORTED):
++                return None
+             else:
+                 raise
++        else:
++            return conn, addr
+ 
+     def send(self, data):
+         try:
diff --git a/lang/python26/patches/patch-bc b/lang/python26/patches/patch-bc
new file mode 100644
index 00000000000..346ea056b15
--- /dev/null
+++ b/lang/python26/patches/patch-bc
@@ -0,0 +1,86 @@
+$NetBSD: patch-bc,v 1.1 2010/11/23 08:24:04 tron Exp $
+
+Fix for CVE-2010-3492 and CVE-2010-3493, taken from the Python SVN repository:
+
+http://svn.python.org/view?view=rev&revision=86084
+
+--- Lib/smtpd2.6.py.orig	2010-11-22 18:18:59.000000000 +0000
++++ Lib/smtpd2.6.py	2010-11-22 18:19:03.000000000 +0000
+@@ -35,7 +35,6 @@
+ and if remoteport is not given, then 25 is used.
+ """
+ 
+-
+ # Overview:
+ #
+ # This file implements the minimal SMTP protocol as defined in RFC 821.  It
+@@ -96,7 +95,6 @@
+ COMMASPACE = ', '
+ 
+ 
+-
+ def usage(code, msg=''):
+     print >> sys.stderr, __doc__ % globals()
+     if msg:
+@@ -104,7 +102,6 @@
+     sys.exit(code)
+ 
+ 
+-
+ class SMTPChannel(asynchat.async_chat):
+     COMMAND = 0
+     DATA = 1
+@@ -276,7 +273,6 @@
+         self.push('354 End data with <CR><LF>.<CR><LF>')
+ 
+ 
+-
+ class SMTPServer(asyncore.dispatcher):
+     def __init__(self, localaddr, remoteaddr):
+         self._localaddr = localaddr
+@@ -331,7 +327,6 @@
+         raise NotImplementedError
+ 
+ 
+-
+ class DebuggingServer(SMTPServer):
+     # Do something with the gathered message
+     def process_message(self, peer, mailfrom, rcpttos, data):
+@@ -347,7 +342,6 @@
+         print '------------ END MESSAGE ------------'
+ 
+ 
+-
+ class PureProxy(SMTPServer):
+     def process_message(self, peer, mailfrom, rcpttos, data):
+         lines = data.split('\n')
+@@ -388,7 +382,6 @@
+         return refused
+ 
+ 
+-
+ class MailmanProxy(PureProxy):
+     def process_message(self, peer, mailfrom, rcpttos, data):
+         from cStringIO import StringIO
+@@ -467,13 +460,11 @@
+                 msg.Enqueue(mlist, torequest=1)
+ 
+ 
+-
+ class Options:
+     setuid = 1
+     classname = 'PureProxy'
+ 
+ 
+-
+ def parseargs():
+     global DEBUGSTREAM
+     try:
+@@ -530,7 +521,6 @@
+     return options
+ 
+ 
+-
+ if __name__ == '__main__':
+     options = parseargs()
+     # Become nobody