Fix deprecation warnings

* adding required argument message_from_binary_file

message_from_binary_file now has a required argument `policy` 
https://docs.python.org/3/library/email.parser.html#email.message_from_binary_file

In a future version a default will be added, but as of now, calling message_from_binary_file without policy will throw an error and not work
https://docs.python.org/3/library/email.parser.html#email.parser.BytesFeedParser

Also added some code to show how to iterate through attachments and how to get attachment filename, type, extension, attachment data and attachment object

* Update template.py

.gitignore

@@ -0,0 +1,8 @@
+*.pyc
+build/
+test/*.out
+test/*.tstout
+test/*.log
+test.db
+dist
+MANIFEST

COPYING

@@ -1,8 +1,8 @@
 		    GNU GENERAL PUBLIC LICENSE
 		       Version 2, June 1991
 
- Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-                       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
@@ -15,7 +15,7 @@ software--to make sure the software is free for all its users.  This
 General Public License applies to most of the Free Software
 Foundation's software and to any other program whose authors commit to
 using it.  (Some other Free Software Foundation software is covered by
-the GNU Library General Public License instead.)  You can apply it to
+the GNU Lesser General Public License instead.)  You can apply it to
 your programs, too.
 
   When we speak of free software, we are referring to freedom, not
@@ -55,7 +55,7 @@ patent must be licensed for everyone's free use or not licensed at all.
 
   The precise terms and conditions for copying, distribution and
 modification follow.
-
+
 		    GNU GENERAL PUBLIC LICENSE
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
@@ -110,7 +110,7 @@ above, provided that you also meet all of these conditions:
     License.  (Exception: if the Program itself is interactive but
     does not normally print such an announcement, your work based on
     the Program is not required to print an announcement.)
-
+
 These requirements apply to the modified work as a whole.  If
 identifiable sections of that work are not derived from the Program,
 and can be reasonably considered independent and separate works in
@@ -168,7 +168,7 @@ access to copy from a designated place, then offering equivalent
 access to copy the source code from the same place counts as
 distribution of the source code, even though third parties are not
 compelled to copy the source along with the object code.
-
+
   4. You may not copy, modify, sublicense, or distribute the Program
 except as expressly provided under this License.  Any attempt
 otherwise to copy, modify, sublicense or distribute the Program is
@@ -225,7 +225,7 @@ impose that choice.
 
 This section is intended to make thoroughly clear what is believed to
 be a consequence of the rest of this License.
-
+
   8. If the distribution and/or use of the Program is restricted in
 certain countries either by patents or by copyrighted interfaces, the
 original copyright holder who places the Program under this License
@@ -278,7 +278,7 @@ PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGES.
 
 		     END OF TERMS AND CONDITIONS
-
+
 	    How to Apply These Terms to Your New Programs
 
   If you develop a new program, and you want it to be of the greatest
@@ -303,10 +303,9 @@ the "copyright" line and a pointer to where the full notice is found.
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 Also add information on how to contact you by electronic and paper mail.
 
@@ -336,5 +335,5 @@ necessary.  Here is a sample; alter the names:
 This General Public License does not permit incorporating your program into
 proprietary programs.  If your program is a subroutine library, you may
 consider it more useful to permit linking proprietary applications with the
-library.  If this is what you want to do, use the GNU Library General
+library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.

CREDITS

@@ -1,5 +1,5 @@
 Jim Niemira (urmane@urmane.org) wrote the original C module and some quick
-and dirty python to use it.  Stuart D. Gathman (stuart@bmsi.com) took that
+and dirty python to use it.  Stuart D. Gathman (stuart@gathman.org) took that
 kludge and added threading and context objects to it, wrote a proper OO
 wrapper (Milter.py) that handles attachments, did lots of testing, packaged
 it with distutils, and generally transformed it from a quick hack to a
@@ -7,6 +7,14 @@ real, usable Python extension.
 
 Other contributors (in random order):
 
+Daniel Troeder
+  for pointing out a typo in @noreply
+arkanes@irc.freenode.net
+  for suggesting a class method to compute and cache protocol masks
+habnabit@habnabit.org
+  for suggesting function attributes and decorators for protocol negotiation
+Dwayne Litzenberger, B.A.Sc.
+  for library_dirs patch to compile on Debian 
 Dave MacQuigg 
   for noticing that smfi_insheader wasn't supported, and creating
   a template to help first time pymilter users create their own milter.
@@ -35,4 +43,4 @@ Business Management Systems - http://www.bmsi.com
   for hosting the website, and providing paying clients who need milter service
   so I can work on it as part of my day job.
 
-If I have left anybody out, send me a reminder: stuart@bmsi.com
+If I have left anybody out, send me a reminder: stuart@gathman.org

ChangeLog

@@ -1,3 +1,213 @@
+# Revision 1.35  2013/03/14 22:11:25  customdesigned
+# Release 0.9.8
+#
+# Revision 1.34  2013/03/09 05:42:14  customdesigned
+# Make TestBase members private, fix getsymlist misspelling.
+#
+# Revision 1.33  2013/03/09 00:25:23  customdesigned
+# Better untrapped exception message.  const char for doc comments.
+#
+# Revision 1.32  2013/01/13 01:46:16  customdesigned
+# Doc updates.
+#
+# Revision 1.31  2012/04/12 23:32:50  customdesigned
+# Replace redundant callback array with macros.  If this doesn't break anything,
+# macros can be eliminated with code changes.
+#
+# Revision 1.30  2012/04/12 23:08:06  customdesigned
+# Support RFC2553 on BSD
+#
+# Revision 1.29  2011/06/09 15:45:27  customdesigned
+# Print callback name for non-int return error.
+#
+# Revision 1.28  2011/06/08 23:13:48  customdesigned
+# Generate special exception when callback return not int.
+#
+# Revision 1.27  2009/07/28 21:45:54  customdesigned
+# Add getversion() to return runtime version.
+#
+# Revision 1.26  2009/07/28 21:08:20  customdesigned
+# Increment del count.
+#
+# Revision 1.25  2009/07/28 20:58:55  customdesigned
+# getdiag method
+#
+# Revision 1.24  2009/06/09 01:54:44  customdesigned
+# Forgot to initialize optional parameter.
+#
+# Revision 1.23  2009/05/29 20:44:58  customdesigned
+# Typo SMFIP_NO constants.
+#
+# Revision 1.22  2009/05/29 19:53:36  customdesigned
+# Typo SMFIS_ALL_OPTS
+#
+# Revision 1.21  2009/05/29 19:49:40  customdesigned
+# Typo calling helo instead of negotiate.
+#
+# Revision 1.20  2009/05/29 18:25:59  customdesigned
+# Null terminate keyword list.
+#
+# Revision 1.19  2009/05/28 18:36:42  customdesigned
+# Support new callbacks, including negotiate
+#
+# Revision 1.18  2009/05/21 21:53:05  customdesigned
+# First cut at support unknown, data, negotiate callbacks.
+#
+# Revision 1.17  2009/02/06 04:28:08  customdesigned
+# Oops!  Missing options argument pointer for addrcpt.
+#
+# Revision 1.16  2008/12/16 04:21:05  customdesigned
+# Fedora release
+#
+# Revision 1.15  2008/12/13 20:29:56  customdesigned
+# Split off milter applications.
+#
+# Revision 1.14  2008/12/04 19:43:00  customdesigned
+# Doc updates.
+#
+# Revision 1.13  2008/11/23 03:06:47  customdesigned
+# Milter support for chgfrom.
+#
+# Revision 1.12  2008/11/21 20:42:52  customdesigned
+# Support smfi_chgfrom and smfi_addrcpt_par.
+#
+# Revision 1.11  2007/09/25 02:26:29  customdesigned
+# Update license.
+#
+# Revision 1.10  2006/02/12 02:00:42  customdesigned
+# Resolve FIXME for wrap_close.
+#
+# Revision 1.9  2005/12/23 21:46:36  customdesigned
+# Compile on sendmail-8.12 (ifdef SMFIR_INSHEADER)
+#
+# Revision 1.8  2005/10/20 23:23:36  customdesigned
+# Include smfi_progress is SMFIR_PROGRESS defined
+#
+# Revision 1.7  2005/10/20 23:04:46  customdesigned
+# Add optional idx for position of added header.
+#
+# Revision 1.6  2005/07/15 22:18:17  customdesigned
+# Support callback exception policy
+#
+# Revision 1.5  2005/06/24 04:20:07  customdesigned
+# Report context allocation error.
+#
+# Revision 1.4  2005/06/24 04:12:43  customdesigned
+# Remove unused name argument to generic wrappers.
+#
+# Revision 1.3  2005/06/24 03:57:35  customdesigned
+# Handle close called before connect.
+#
+# Revision 1.2  2005/06/02 04:18:55  customdesigned
+# Update copyright notices after reading article on /.
+#
+# Revision 1.1.1.2  2005/05/31 18:09:06  customdesigned
+# Release 0.7.1
+#
+# Revision 2.31  2004/08/23 02:24:36  stuart
+# Support setbacklog
+#
+# Revision 2.30  2004/08/21 20:29:53  stuart
+# Support option of 11 lines max for mlreply.
+#
+# Revision 2.29  2004/08/21 04:14:29  stuart
+# mlreply support
+#
+# Revision 2.28  2004/08/21 02:45:21  stuart
+# Don't leak int constants if module unloaded.
+#
+# Revision 2.27  2004/04/06 03:19:59  stuart
+# Release 0.6.8
+#
+# Revision 2.26  2004/03/04 21:43:06  stuart
+# Fix memory leak by removing unused dynamic template buffer,
+# thanks again to Alexander Kourakos.
+#
+# Revision 2.25  2004/03/01 19:45:03  stuart
+# Release 0.6.5
+#
+# Revision 2.24  2004/03/01 18:56:50  stuart
+# Support progress reporting.
+#
+# Revision 2.23  2004/03/01 18:36:09  stuart
+# Plug memory leak.  Thanks to Alexander Kourakos.
+#
+# Revision 2.22  2003/11/02 03:01:46  stuart
+# Adjust SMTP error codes after careful reading of standard.
+#
+# Revision 2.21  2003/06/24 19:57:04  stuart
+# Allow removing a python milter callback by setting to None.
+#
+# Revision 2.20  2003/02/13 17:08:57  stuart
+# IPV6 support
+#
+# Revision 2.19  2003/02/13 16:58:29  stuart
+# Support passing None to setreply and chgheader.
+#
+# Revision 2.18  2002/12/11 16:44:06  stuart
+# Support QUARANTINE if supported by libmilter.
+#
+# Revision 2.17  2002/04/18 20:20:35  stuart
+# Fix for NULL hostaddr in connect callback from Jason Erickson.
+#
+# Revision 2.16  2001/09/26 13:29:09  stuart
+# sa_len not supported by linux.
+#
+# Revision 2.15  2001/09/25 17:28:40  stuart
+# Copyrights, documentation, release 0.3.1
+#
+# Revision 2.14  2001/09/25 00:36:57  stuart
+# Pass hostaddr to python code in format used by standard socket module.
+#
+# Revision 2.13  2001/09/24 23:44:55  stuart
+# Return old callback from setcallback functions.
+#
+# Revision 2.12  2001/09/24 20:02:30  stuart
+# Remove redundant setpriv
+#
+# Revision 2.11  2001/09/23 22:26:35  stuart
+# Update docs.  Streamline Milter.py
+# update testbms.py to reflect actual sendmail behaviour with multiple
+# messages per connection.
+#
+# Revision 2.10  2001/09/22 15:33:42  stuart
+# More doc comment updates.
+#
+# Revision 2.9  2001/09/22 14:52:27  stuart
+# Actually return retval in _generic_return.
+# Go over doc comments.
+#
+# Revision 2.8  2001/09/22 01:59:32  stuart
+# Prevent reentrant call of milter_main, which libmilter doesn't support.
+#
+# Revision 2.7  2001/09/22 01:47:37  stuart
+# Forgot to set milter interp.
+#
+# Revision 2.6  2001/09/22 01:23:53  stuart
+# Added proper threading after research in python docs.
+#
+# Revision 2.5  2001/09/21 20:08:51  stuart
+# Release 0.2.3
+#
+# Revision 2.4  2001/09/20 16:18:16  stuart
+# libmilter checks in_eom state, so we don't have to.
+#
+# Revision 2.3  2001/09/19 06:02:33  stuart
+# Make more stuff static.
+#
+# Revision 2.1  2001/09/19 04:24:13  stuart
+# Use extension type to track context in python.
+#
+# Revision 1.4  2001/09/18 18:48:28  stuart
+# clear private data reference in _clear_context
+#
+# Revision 1.3  2001/09/15  04:19:37  stuart
+# nasty off by 1 mem overwrite bugs in wrap_env
+# generic_set_callback
+#
+# Revision 1.2  2001/09/15  03:15:39  stuart
+# several bugs fixed, works smoothly
+#
 # Revision 1.69  2006/11/04 22:09:39  customdesigned
 # Another lame DSN heuristic.  Block PTR cache poisoning attack.
 #

HOWTO

@@ -1,154 +0,0 @@
-On Sun, 11 Feb 2007, Rick Saul wrote:
-
-> Stuart I was planning to move to centos4.4 in a couple of weeks anyway... 
-> Your advice of where to go from here. 
-
-Oh - you are asking for a howto.
-
-	Step one.  Which DSPAM is right for you?
-
-The DSPAM project makes dspam part of the LDA (Local Delivery Agent).
-Pydspam puts dspam into the MTA (Mail Transfer Agent - sendmail with pymilter).
-
-The advantage of doing dspam in the LDA is that any aliasing has already been
-resolved.  You need only configure mailboxes.
-
-The advantage of doing dspam in the MTA is it can screen an entire 
-company as a gateway with multiple domains.  Unfortunately, this
-means you have to tell it about all the aliases that comprise each
-account.  (Also, pydspam is still uses dspam-2.6.5.2 - the Dspam API
-has changed for newer versions.)
-
-If the LDA is right for you, you'll want to use the official Dspam 
-package.  http://www.nuclearelephant.com/projects/dspam/
-
-If the MTA approach is what you want, then pydspam is what you want.
-
-In either case, you will still want pymilter to block forgeries, Windows 
-executables, etc.
-
-So, lets assume you want to install pymilter, and may or may not
-wish to install pydspam.
-
-	Step two.  Obtaining RPMS.
-
-For basic pymilter you'll need:
-
-python-2.4
-milter-0.8.7
-sendmail-8.13.x	(with milter support enabled)
-
-and for SPF you'll need:
-
-pydns-2.3.0-2.4
-pyspf-2.0.3-2.py24
-
-and for SRS you'll need:
-
-pysrs-0.30.11-1.py24
-
-I'm pretty sure you will want to have SPF and SRS available.
-
-	Step three.  Activate basic milter.
-
-Activate the basic milter and pysrs by editing /etc/mail/sendmail.mc and adding:
-
-define(`NO_SRS_FILE',`/etc/mail/no-srs-mailers')dnl
-dnl define(`NO_SRS_FROM_LOCAL')dnl
-HACK(`pysrs',`/var/run/milter/pysrs')dnl
-INPUT_MAIL_FILTER(`pythonfilter', `S=local:/var/run/milter/pythonsock, F=T, T=C:5m;S:20s;R:5m;E:5m')
-
-You can then "make sendmail.cf" and restart sendmail.
-
-Start milter and pysrs with "service milter start", "service pysrs start".
-
-Tail /var/log/milter/milter.log while SMTP clients connect to your
-sendmail instance.  This should show you what the milter is doing.
-
-By default, milter-0.8.7 rejects on SPF fail.
-
-	Step four.  Tweaking the basic config.
-
-Most pymilter configuration is in /etc/mail/pymilter.cfg.  To activate
-changes, "service milter restart".
-
-By default, milter scans attachments for executable extensions.  You can
-turn this off by setting banned_exts to the empty list.  There are options
-to scan ZIP attachments and rfc822 attachments.  When it finds a banned
-file type, milter saves the original message in /var/log/milter/save,
-and replaces the attachment with a plain text warning message.
-
-Configure hello_blacklist with your own helo name and domains - which
-you know cannot legitimately be used by external MTAs.
-
-Configure trusted_relay with your secondary MX servers, if any.  These
-should also run pymilter with similar policies.  (But this isn't
-needed for initial testing.)
-
-Configure internal_connect with subnets of your internal SMTP clients.
-Internal connections skip SPF testing and other policies.  You will
-likely need to set this to allow outgoing mail if you have
-an SPF policy already.
-
-Configure internal_domains with domains used by your internal SMTP clients.
-If they attempt to use any other domain, the attempt is blocked and the
-client is logged as a "zombie".  Conversely, any attempt by an external
-MTA to use one of your internal domains is treated as a forgery and
-blocked (a simplified form of local SPF).
-
-Adjust porn_words and spam_words - these block emails with a Subject
-containing the listed strings.  They can be empty to disable Subject
-string blocking.
-
-	Advanced SPF configuration.
-
-The sendmail access file, or another readonly database with that
-format, can be used for detail spf policy.  SPF access policy
-record are tagged with "SPF-{Result}:".  Results are
-Pass, Neutral, Softfail, Fail, PermError.  Currently supported
-policy keywords are OK, CBV, REJECT.  Currently, TempError always
-results in TEMPFAIL.
-
-The default policies are set in pymilter.cfg.  The defaults
-if none of the config options are set are as follows:
-
-SPF-Fail:	REJECT
-SPF-Softfail:	CBV
-SPF-Neutral:	OK
-SPF-PermError:	REJECT
-SPF-Pass:	OK
-
-The tag may be followed by a specific domain.  For instance, to
-require a Pass from aol.com:
-
-SPF-Neutral:aol.com	REJECT
-SPF-Softfail:aol.com	REJECT
-
-The CBV policy requires a valid HELO name.  If the EHLO name is 
-RFC2822 compliant, then a DSN is sent to the alleged sender.  The 
-template for the DSN is selected according to the SPF result:
-
-Fail:		fail.txt
-SoftFail:	softfail.txt
-Neutral:	neutral.txt
-PermError:	permerror.txt
-None:		strike3.txt
-
-An SPF-Pass is always accepted by the milter.  Domains can be blacklisted 
-via sendmail in the access file or via a RHS DNS blacklist.
-
-	To be continued.
-
-Forthcoming topics:
-
-SRS config
-
-
-pydspam config
-wiretap config
-
--- 
-	      Stuart D. Gathman <stuart@bmsi.com>
-    Business Management Systems Inc.  Phone: 703 591-0911 Fax: 703 591-6154
-"Confutatis maledictis, flammis acribus addictis" - background song for
-a Microsoft sponsored "Where do you want to go from here?" commercial.

MANIFEST.in

@@ -1,35 +1,17 @@
 include COPYING
 include TODO
 include NEWS
-include HOWTO
 include CREDITS
-include README
+include README.md
 include ChangeLog
 include MANIFEST.in
 include testsample.py
 include testmime.py
 include testutils.py
-include testbms.py
-include rejects.py
-include report.py
-include bms.py
-include spf.py
-include cid2spf.py
-include spfquery.py
 include test.py
 include sample.py
 include milter-template.py
-include spfmilter.py
-include spfmilter.rc
-include spfmilter.cfg
 include test/*
-include doc/*
 include Milter/*.py
 include *.spec
 include start.sh
-include milter.rc
-include milter.rc7
-include milter.cfg
-include rhsbl.m4
-include *.txt
-include *.html

Milter/__init__.py

@@ -1,28 +1,34 @@
-# Author: Stuart D. Gathman <stuart@bmsi.com>
-# Copyright 2001 Business Management Systems, Inc.
+## @package Milter
+# A thin OO wrapper for the milter module.
+#
+# Clients generally subclass Milter.Base and define callback
+# methods.
+#
+# @author Stuart D. Gathman <stuart@bmsi.com>
+# Copyright 2001,2009 Business Management Systems, Inc.
 # This code is under the GNU General Public License.  See COPYING for details.
 
-# A thin OO wrapper for the milter module
+from __future__ import print_function
+__version__ = '1.0.5'
 
 import os
+import re
 import milter
-import thread
+import sys
+try:
+  import thread
+except:
+  # libmilter uses posix threads
+  import _thread as thread
 
-from milter import ACCEPT,CONTINUE,REJECT,DISCARD,TEMPFAIL,	\
-  set_flags, setdbg, setbacklog, settimeout, error,	\
-  ADDHDRS, CHGBODY, ADDRCPT, DELRCPT, CHGHDRS,	\
-  V1_ACTS, V2_ACTS, CURR_ACTS
-
-try: from milter import QUARANTINE
-except: pass
-
-__version__ = '0.8.5'
+from milter import *
+from functools import wraps
 
 _seq_lock = thread.allocate_lock()
 _seq = 0
 
 def uniqueID():
-  """Return a sequence number unique to this process.
+  """Return a unique sequence number (incremented on each call).
   """
   global _seq
   _seq_lock.acquire()
@@ -30,30 +36,680 @@ def uniqueID():
   _seq_lock.release()
   return seqno
 
-class Milter:
-  """A simple class interface to the milter module.
-  """
+## @private
+OPTIONAL_CALLBACKS = {
+  'connect':(P_NR_CONN,P_NOCONNECT),
+  'hello':(P_NR_HELO,P_NOHELO),
+  'envfrom':(P_NR_MAIL,P_NOMAIL),
+  'envrcpt':(P_NR_RCPT,P_NORCPT),
+  'data':(P_NR_DATA,P_NODATA),
+  'unknown':(P_NR_UNKN,P_NOUNKNOWN),
+  'eoh':(P_NR_EOH,P_NOEOH),
+  'body':(P_NR_BODY,P_NOBODY),
+  'header':(P_NR_HDR,P_NOHDRS)
+}
+
+MACRO_CALLBACKS = {
+  'connect': M_CONNECT,
+  'hello': M_HELO, 'envfrom': M_ENVFROM, 'envrcpt': M_ENVRCPT,
+  'data': M_DATA, 'eom': M_EOM, 'eoh': M_EOH
+}
+
+## @private
+R = re.compile(r'%+')
+
+## @private
+def decode_mask(bits,names):
+  t = [ (s,getattr(milter,s)) for s in names]
+  nms = [s for s,m in t if bits & m]
+  for s,m in t: bits &= ~m
+  if bits: nms += hex(bits)
+  return nms
+
+## Class decorator to enable optional protocol steps.
+# P_SKIP is enabled by default when supported, but
+# applications may wish to enable P_HDR_LEADSPC
+# to send and receive the leading space of header continuation
+# lines unchanged, and/or P_RCPT_REJ to have recipients 
+# detected as invalid by the MTA passed to the envcrpt callback.
+#
+# Applications may want to check whether the protocol is actually
+# supported by the MTA in use.  Base._protocol
+# is a bitmask of protocol options negotiated.  So,
+# for instance, if <code>self._protocol & Milter.P_RCPT_REJ</code>
+# is true, then that feature was successfully negotiated with the MTA
+# and the application will see recipients the MTA has flagged as invalid.
+# 
+# Sample use:
+# <pre>
+# class myMilter(Milter.Base):
+#   def envrcpt(self,to,*params):
+#     return Milter.CONTINUE
+# myMilter = Milter.enable_protocols(myMilter,Milter.P_RCPT_REJ)
+# </pre>
+# @since 0.9.3
+# @param klass the %milter application class to modify
+# @param mask a bitmask of protocol steps to enable
+# @return the modified %milter class
+def enable_protocols(klass,mask):
+  klass._protocol_mask = klass.protocol_mask() & ~mask
+  return klass
+
+## Milter rejected recipients. A class decorator that calls
+# enable_protocols() with the P_RCPT_REJ flag.  By default, the MTA
+# does not pass recipients that it knows are invalid on to the milter.
+# This decorator enables a %milter app to see all recipients if supported
+# by the MTA.  Use like this with python-2.6 and later:
+# <pre>
+# @@Milter.rejected_recipients
+# class myMilter(Milter.Base):
+#   def envrcpt(self,to,*params):
+#     return Milter.CONTINUE
+# </pre>
+# @since 0.9.5
+# @param klass the %milter application class to modify
+# @return the modified %milter class
+def rejected_recipients(klass):
+  return enable_protocols(klass,P_RCPT_REJ)
+
+## Milter leading space on headers. A class decorator that calls
+# enable_protocols() with the P_HDR_LEADSPC flag.  By default,
+# header continuation lines are collected and joined before getting
+# sent to a milter.  Headers modified or added by the milter are
+# folded by the MTA as necessary according to its own standards.
+# With this flag, header continuation lines are preserved
+# with their newlines and leading space.  In addition, header folding
+# done by the milter is preserved as well.
+# Use like this with python-2.6 and later:
+# <pre>
+# @@Milter.header_leading_space
+# class myMilter(Milter.Base):
+#   def header(self,hname,value):
+#     return Milter.CONTINUE
+# </pre>
+# @since 0.9.5
+# @param klass the %milter application class to modify
+# @return the modified %milter class
+def header_leading_space(klass):
+  return enable_protocols(klass,P_HDR_LEADSPC)
+
+## Function decorator to disable callback methods.
+# If the MTA supports it, tells the MTA not to invoke this callback,
+# increasing efficiency.  All the callbacks (except negotiate)
+# are disabled in Milter.Base, and overriding them reenables the
+# callback.  An application may need to use @@nocallback when it extends
+# another %milter and wants to disable a callback again.
+# The disabled method should still return Milter.CONTINUE, in case the MTA does
+# not support protocol negotiation, and for when called from a test harness.
+# @since 0.9.2
+def nocallback(func):
+  try:
+    func.milter_protocol = OPTIONAL_CALLBACKS[func.__name__][1]
+  except KeyError:
+    raise ValueError(
+      '@nocallback applied to non-optional method: '+func.__name__)
+  @wraps(func)
+  def wrapper(self,*args):
+    if func(self,*args) != CONTINUE:
+      raise RuntimeError('%s return code must be CONTINUE with @nocallback'
+        % func.__name__)
+    return CONTINUE
+  return wrapper
+
+## Function decorator to disable callback reply.
+# If the MTA supports it, tells the MTA not to wait for a reply from
+# this callback, and assume CONTINUE.  The method should still return
+# CONTINUE in case the MTA does not support protocol negotiation.
+# The decorator arranges to change the return code to NOREPLY 
+# when supported by the MTA.
+# @since 0.9.2
+def noreply(func):
+  try:
+    nr_mask = OPTIONAL_CALLBACKS[func.__name__][0]
+  except KeyError:
+    raise ValueError(
+      '@noreply applied to non-optional method: '+func.__name__)
+  @wraps(func)
+  def wrapper(self,*args):
+    rc = func(self,*args)
+    if self._protocol & nr_mask:
+      if rc != CONTINUE:
+        raise RuntimeError('%s return code must be CONTINUE with @noreply'
+	  % func.__name__)
+      return NOREPLY
+    return rc
+  wrapper.milter_protocol = nr_mask
+  return wrapper
+
+## Function decorator to set decoding error strategy.
+# Current RFCs define UTF-8 as the standard encoding for SMTP
+# envelope and header fields.  By default, Milter.Base decodes 
+# envelope and header values with errors='surrogateescape'.
+# Applications can recover the original bytes with 
+# <pre>
+# b = s.encode(errors='surrogateescape')
+# </pre>
+# This preserves information, but can lead to unexpected exceptions
+# as you cannot, e.g. print strings with surrogates.
+# Illegal bytes occur quite often in real life, so there must
+# be a way to deal with them.
+# This decorator can change the error strategy to
+# <ul>
+# <li> bytes    - original bytes are passed unmodified
+# <li> strict   - pass bytes if illegal bytes are present, string otherwise
+# <li> ignore   - illegal bytes are removed
+# <li> replace  - illegal bytes are replaced with a unicode error symbol
+# </ul> 
+# 
+def decode(strategy):
+  def setstrategy(func):
+    func.error_strategy = strategy
+    return func
+  return setstrategy
+
+## Function decorator to set macros used in a callback.
+# By default, the MTA sends all macros defined for a callback.
+# If some or all of these are unused, the bandwidth can be saved
+# by listing the ones that are used.
+# @since 1.0.2
+def symlist(*syms):
+  def setsyms(func):
+    if len(syms) > 5:
+      raise ValueError('@symlist limited to 5 macros by MTA: '+func.__name__)
+    if func.__name__ not in MACRO_CALLBACKS:
+      raise ValueError('@symlist applied to non-symlist method: '+func.__name__)
+    func._symlist = syms
+    return func
+  return setsyms
+
+## Disabled action exception.
+# set_flags() can tell the MTA that this application will not use certain
+# features (such as CHGFROM).  This can also be negotiated for each
+# connection in the negotiate callback.  If the application then calls
+# the feature anyway via an instance method, this exception is
+# thrown.
+# @since 0.9.2
+class DisabledAction(RuntimeError):
+  pass
+
+## A do "nothing" Milter base class representing an SMTP connection.
+#
+# Python milters should derive from this class
+# unless they are using the low level milter module directly.  
+#
+# Most of the methods are either "actions" or "callbacks".  Callbacks
+# are invoked by the MTA at certain points in the SMTP protocol.  For
+# instance when the HELO command is seen, the MTA calls the helo
+# callback before returning a response code.  All callbacks must
+# return one of these constants: CONTINUE, TEMPFAIL, REJECT, ACCEPT,
+# DISCARD, SKIP.  The NOREPLY response is supplied automatically by
+# the @@noreply decorator if negotiation with the MTA is successful.
+# @@noreply and @@nocallback methods should return CONTINUE for two reasons:
+# the MTA may not support negotiation, and the class may be running in a test
+# harness.
+# 
+# Optional callbacks are disabled with the @@nocallback decorator, and
+# automatically reenabled when overridden.  Disabled callbacks should
+# still return CONTINUE for testing and MTAs that do not support
+# negotiation.  
+
+# Each SMTP connection to the MTA calls the factory method you provide to
+# create an instance derived from this class.  This is typically the
+# constructor for a class derived from Base.  The _setctx() method attaches
+# the instance to the low level milter.milterContext object.  When the SMTP
+# connection terminates, the close callback is called, the low level connection
+# object is destroyed, and this normally causes instances of this class to be
+# garbage collected as well.  The close() method should release any global
+# resources held by instances.
+# @since 0.9.2
+class Base(object):
+  "The core class interface to the %milter module."
+
+  ## Attach this Milter to the low level milter.milterContext object.
   def _setctx(self,ctx):
-    self.__ctx = ctx
+    ## The low level @ref milter.milterContext object.
+    self._ctx = ctx
+    ## A bitmask of actions this connection has negotiated to use.
+    # By default, all actions are enabled.  High throughput milters
+    # may want to disable unused actions to increase efficiency.
+    # Some optional actions may be disabled by calling milter.set_flags(), or
+    # by overriding the negotiate callback.  The bits include:
+    # <code>ADDHDRS,CHGBODY,MODBODY,ADDRCPT,ADDRCPT_PAR,DELRCPT
+    #  CHGHDRS,QUARANTINE,CHGFROM,SETSYMLIST</code>.
+    # The <code>Milter.CURR_ACTS</code> bitmask is all actions
+    # known when the milter module was compiled.
+    # Application code can also inspect this field to determine
+    # which actions are available.  This is especially useful in
+    # generic library code designed to work in multiple milters.
+    # @since 0.9.2
+    #
+    self._actions = CURR_ACTS         # all actions enabled by default
+    ## A bitmask of protocol options this connection has negotiated.
+    # An application may inspect this
+    # variable to determine which protocol steps are supported.  Options
+    # of interest to applications: the SKIP result code is allowed
+    # only if the P_SKIP bit is set, rejected recipients are passed to the
+    # %milter application only if the P_RCPT_REJ bit is set, and
+    # header values are sent and received with leading spaces (in the
+    # continuation lines) intact if the P_HDR_LEADSPC bit is set (so
+    # that the application can customize indenting).  
+    #
+    # The P_N* bits should be negotiated via the @@noreply and @@nocallback
+    # method decorators, and P_RCPT_REJ, P_HDR_LEADSPC should
+    # be enabled using the enable_protocols class decorator.
+    #
+    # The bits include: <code>
+    # P_RCPT_REJ P_NR_CONN P_NR_HELO P_NR_MAIL P_NR_RCPT P_NR_DATA P_NR_UNKN
+    # P_NR_EOH P_NR_BODY P_NR_HDR P_NOCONNECT P_NOHELO P_NOMAIL P_NORCPT
+    # P_NODATA P_NOUNKNOWN P_NOEOH P_NOBODY P_NOHDRS P_HDR_LEADSPC P_SKIP
+    # </code> (all under the Milter namespace).
+    # @since 0.9.2
+    self._protocol = 0                # no protocol options by default
     if ctx:
       ctx.setpriv(self)
 
-  # user replaceable callbacks
-  def log(self,*msg):
-    print 'Milter:',
-    for i in msg: print i,
-    print
+  ## Defined by subclasses to write log messages.
+  def log(self,*msg): pass
+  ## Called for each connection to the MTA.  Called by the
+  # <a href="milter_api/xxfi_connect.html">
+  # xxfi_connect</a> callback.  
+  # The <code>hostname</code> provided by the local MTA is either
+  # the PTR name or the IP in the form "[1.2.3.4]" if no PTR is available.
+  # The format of hostaddr depends on the socket family:
+  # <dl>
+  # <dt><code>socket.AF_INET</code>
+  # <dd>A tuple of (IP as string in dotted quad form, integer port)
+  # <dt><code>socket.AF_INET6</code>
+  # <dd>A tuple of (IP as a string in standard representation,
+  # integer port, integer flow info, integer scope id)
+  # <dt><code>socket.AF_UNIX</code>
+  # <dd>A string with the socketname
+  # </dl>
+  # To vary behavior based on what port the client connected to,
+  # for example skipping blacklist checks for port 587 (which must 
+  # be authenticated), use @link #getsymval getsymval('{daemon_port}') @endlink.
+  # The <code>{daemon_port}</code> macro must be enabled in sendmail.cf
+  # <pre>
+  # O Milter.macros.connect=j, _, {daemon_name}, {daemon_port}, {if_name}, {if_addr}
+  # </pre>
+  # or sendmail.mc
+  # <pre>
+  # define(`confMILTER_MACROS_CONNECT', ``j, _, {daemon_name}, {daemon_port}, {if_name}, {if_addr}'')dnl
+  # </pre>
+  # @param hostname the PTR name or bracketed IP of the SMTP client
+  # @param family <code>socket.AF_INET</code>, <code>socket.AF_INET6</code>,
+  #     or <code>socket.AF_UNIX</code>
+  # @param hostaddr a tuple or string with peer IP or socketname
+  @nocallback
+  def connect(self,hostname,family,hostaddr): return CONTINUE
+  ## Called when the SMTP client says HELO.
+  # Returning REJECT prevents progress until a valid HELO is provided;
+  # this almost always results in terminating the connection.
+  @nocallback
+  def hello(self,hostname): return CONTINUE
+  ## Called with bytes by default global envfrom callback.
+  # @since 1.0.5
+  # Converts from utf-8 to unicode with surrogate escape.  Can be overriden 
+  # to pass bytes to @link #header the header callback @endlink instead,
+  # or trap utf-8 conversion exception, etc.
+  def envfrom_bytes(self,*b):
+    try:
+      e = getattr(self.envfrom,'error_strategy','surrogateescape')
+      if e == 'bytes':
+        #self.envfrom_bytes = self.envfrom
+        return self.envfrom(*b)
+      s = [v.decode(encoding='utf-8',errors=e) for v in b]
+    except UnicodeDecodeError: s = b
+    return self.envfrom(s[0],*s[1:])
+  ## Called when the SMTP client says MAIL FROM. Called by the
+  # <a href="milter_api/xxfi_envfrom.html">
+  # xxfi_envfrom</a> callback.  
+  # Returning REJECT rejects the message, but not the connection.
+  # The sender is the "envelope" from as defined by
+  # <a href="http://tools.ietf.org/html/rfc5321">RFC 5321</a>.
+  # For the From: header (author) defined in 
+  # <a href="http://tools.ietf.org/html/rfc5322">RFC 5322</a>,
+  # see @link #header the header callback @endlink.
+  @nocallback
+  def envfrom(self,f,*s): return CONTINUE
+  ## Called with bytes by default global envrcpt callback.
+  # @since 1.0.5
+  # Converts from utf-8 to unicode with surrogate escape.  Can be overriden 
+  # to pass bytes to @link #header the header callback @endlink instead,
+  # or trap utf-8 conversion exception, etc.
+  def envrcpt_bytes(self,*b):
+    try:
+      e = getattr(self.envrcpt,'error_strategy','surrogateescape')
+      if e == 'bytes':
+        #self.envrcpt_bytes = self.envrcpt
+        return self.envrcpt(*b)
+      s = [v.decode(encoding='utf-8',errors=e) for v in b]
+    except UnicodeDecodeError: s = b
+    return self.envrcpt(s[0],*s[1:])
+  ## Called when the SMTP client says RCPT TO. Called by the
+  # <a href="milter_api/xxfi_envrcpt.html">
+  # xxfi_envrcpt</a> callback.
+  # Returning REJECT rejects the current recipient, not the entire message.
+  # The recipient is the "envelope" recipient as defined by 
+  # <a href="http://tools.ietf.org/html/rfc5321">RFC 5321</a>.
+  # For recipients defined in 
+  # <a href="http://tools.ietf.org/html/rfc5322">RFC 5322</a>, 
+  # for example To: or Cc:, see @link #header the header callback @endlink.
+  @nocallback
+  def envrcpt(self,to,*str): return CONTINUE
+  ## Called when the SMTP client says DATA.
+  # Returning REJECT rejects the message without wasting bandwidth
+  # on the unwanted message.
+  # @since 0.9.2
+  @nocallback
+  def data(self): return CONTINUE
+  ## Called with bytes by default global header callback.
+  # @param fld name decoded as ascii
+  # @param val field value as bytes
+  # @since 1.0.5
+  # Converts from utf-8 to unicode with surrogate escape.  Can be overriden 
+  # to pass bytes to @link #header the header callback @endlink instead,
+  # e.g. by assignment:
+  # <pre>
+  #  mymilter.header_bytes = mymilter.header
+  # </pre>
+  # The <code>@decode('bytes')</code> decorator will also do this.
+  # 
+  def header_bytes(self,fld,val):
+    try:
+      e = getattr(self.header,'error_strategy','surrogateescape')
+      if e == 'bytes':
+        self.header_bytes = self.header
+        return self.header(fld,val)
+      s = val.decode(encoding='utf-8',errors=e)
+    except UnicodeDecodeError: s = val
+    return self.header(fld,s)
+  ## Called for each header field in the message body.
+  # @param field name decoded as ascii
+  # @param value field value decoded as utf-8 on python3
+  @nocallback
+  def header(self,field,value): return CONTINUE
+  ## Called at the blank line that terminates the header fields.
+  @nocallback
+  def eoh(self): return CONTINUE
+  ## Called to supply the body of the message to the Milter by chunks.
+  # @param blk a block of message bytes
+  @nocallback
+  def body(self,blk): return CONTINUE
+  ## Called when the SMTP client issues an unknown command.
+  # @param cmd the unknown command
+  # @since 0.9.2
+  @nocallback
+  def unknown(self,cmd): return CONTINUE
+  ## Called at the end of the message body.
+  # Most of the message manipulation actions can only take place from
+  # the eom callback.
+  def eom(self): return CONTINUE
+  ## Called when the connection is abnormally terminated.
+  # The close callback is still called also.
+  def abort(self): return CONTINUE
+  ## Called when the connection is closed.
+  def close(self): return CONTINUE
 
+  ## Return mask of SMFIP_N* protocol option bits to clear for this class
+  # The @@nocallback and @@noreply decorators set the
+  # <code>milter_protocol</code> function attribute to the protocol mask bit to
+  # pass to libmilter, causing that callback or its reply to be skipped.
+  # Overriding a method creates a new function object, so that 
+  # <code>milter_protocol</code> defaults to 0.
+  # Libmilter passes the protocol bits that the current MTA knows
+  # how to skip.  We clear the ones we don't want to skip.
+  # The negation is somewhat mind bending, but it is simple.
+  # @since 0.9.2
+  @classmethod
+  def protocol_mask(klass):
+    try:
+      return klass._protocol_mask
+    except AttributeError:
+      p = P_RCPT_REJ | P_HDR_LEADSPC    # turn these new features off by default
+      for func,(nr,nc) in OPTIONAL_CALLBACKS.items():
+        func = getattr(klass,func)
+        ca = getattr(func,'milter_protocol',0)
+        #print(func,hex(nr),hex(nc),hex(ca))
+        p |= (nr|nc) & ~ca
+      klass._protocol_mask = p
+      return p
+    
+  ## Negotiate milter protocol options.  Called by the
+  # <a href="milter_api/xxfi_negotiate.html">
+  # xffi_negotiate</a> callback.  This is an advanced callback,
+  # do not override unless you know what you are doing.  Most
+  # negotiation can be done simply by using the supplied 
+  # class and function decorators.
+  # Options are passed as 
+  # a list of 4 32-bit ints which can be modified and are passed
+  # back to libmilter on return.
+  # Default negotiation sets P_NO* and P_NR* for callbacks
+  # marked @@nocallback and @@noreply respectively, leaves all
+  # actions enabled, and enables Milter.SKIP.  The @@enable_protocols
+  # class decorator can customize which protocol steps are implemented.
+  # @param opts a modifiable list of 4 ints with negotiated options
+  # @since 0.9.2
+  def negotiate(self,opts):
+    try:
+      self._actions,p,f1,f2 = opts
+      for func,stage in MACRO_CALLBACKS.items():
+        func = getattr(self,func)
+        syms = getattr(func,'_symlist',None)
+        if syms is not None:
+          self.setsymlist(stage,*syms)
+      opts[1] = self._protocol = p & ~self.protocol_mask()
+      opts[2] = 0
+      opts[3] = 0
+      #self.log("Negotiated:",opts)
+    except Exception as x:
+      # don't change anything if something went wrong
+      return ALL_OPTS 
+    return CONTINUE
+
+  # Milter methods which can be invoked from most callbacks
+
+  ## Return the value of an MTA macro.  Sendmail macro names
+  # are either single chars (e.g. "j") or multiple chars enclosed
+  # in braces (e.g. "{auth_type}").  Macro names are MTA dependent.
+  # See <a href="milter_api/smfi_getsymval.html">
+  # smfi_getsymval</a> for default sendmail macros.
+  # @param sym the macro name
+  def getsymval(self,sym):
+    return self._ctx.getsymval(sym)
+
+  ## Set the SMTP reply code and message.
+  # If the MTA does not support setmlreply, then only the
+  # first msg line is used.  Any '%%' in a message line
+  # must be doubled, or libmilter will silently ignore the setreply.
+  # Beginning with 0.9.6, we test for that case and throw ValueError to avoid
+  # head scratching.  What will <i>really</i> irritate you, however,
+  # is that if you carefully double any '%%', your message will be
+  # sent - but with the '%%' still doubled!
+  # See <a href="milter_api/smfi_setreply.html">
+  # smfi_setreply</a> for more information.
+  # @param rcode The three-digit (RFC 821/2821) SMTP reply code as a string. 
+  # rcode cannot be None, and <b>must be a valid 4XX or 5XX reply code</b>.
+  # @param xcode The extended (RFC 1893/2034) reply code. If xcode is None,
+  # no extended code is used. Otherwise, xcode must conform to RFC 1893/2034.
+  # @param msg The text part of the SMTP reply. If msg is None,
+  # an empty message is used.
+  # @param ml  Optional additional message lines.
+  def setreply(self,rcode,xcode=None,msg=None,*ml):
+    for m in (msg,)+ml:
+      if 1 in [len(s)&1 for s in R.findall(m)]:
+        raise ValueError("'%' must be doubled: "+m)
+    return self._ctx.setreply(rcode,xcode,msg,*ml)
+
+  ## Tell the MTA which macro names will be used.
+  # This information can reduce the size of messages received from sendmail,
+  # and hence could reduce bandwidth between sendmail and your milter where
+  # that is a factor.  The <code>Milter.SETSYMLIST</code> action flag must be
+  # set.  The protocol stages are M_CONNECT, M_HELO, M_ENVFROM, M_ENVRCPT,
+  # M_DATA, M_EOM, M_EOH.
+  #
+  # May only be called from negotiate callback.  Hence, this is an advanced
+  # feature.  Use the @@symlist function decorator to conviently set
+  # the macros used by a callback.
+  # @since 0.9.8, previous version was misspelled!
+  # @param stage the protocol stage to set to macro list for, 
+  # one of the M_* constants defined in Milter
+  # @param macros space separated and/or lists of strings
+  def setsymlist(self,stage,*macros):
+    if not self._actions & SETSYMLIST: raise DisabledAction("SETSYMLIST")
+    if len(macros) > 5:
+      raise ValueError('setsymlist limited to 5 macros by MTA')
+    a = []
+    for m in macros:
+      try:
+        m = m.encode('utf8')
+      except: pass
+      try:
+        m = m.split(b' ')
+        a += m
+      except: pass
+    return self._ctx.setsymlist(stage,b' '.join(a))
+
+  # Milter methods which can only be called from eom callback.
+
+  ## Add a mail header field.
+  # Calls <a href="milter_api/smfi_addheader.html">
+  # smfi_addheader</a>.  
+  # The <code>Milter.ADDHDRS</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param field        the header field name
+  # @param value        the header field value
+  # @param idx header field index from the top of the message to insert at
+  # @throws DisabledAction if ADDHDRS is not enabled
+  def addheader(self,field,value,idx=-1):
+    if not self._actions & ADDHDRS: raise DisabledAction("ADDHDRS")
+    return self._ctx.addheader(field,value,idx)
+
+  ## Change the value of a mail header field.
+  # Calls <a href="milter_api/smfi_chgheader.html">
+  # smfi_chgheader</a>.  
+  # The <code>Milter.CHGHDRS</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param field the name of the field to change
+  # @param idx index of the field to change when there are multiple instances
+  # @param value the new value of the field
+  # @throws DisabledAction if CHGHDRS is not enabled
+  def chgheader(self,field,idx,value):
+    if not self._actions & CHGHDRS: raise DisabledAction("CHGHDRS")
+    return self._ctx.chgheader(field,idx,value)
+
+  ## Add a recipient to the message.  
+  # Calls <a href="milter_api/smfi_addrcpt.html">
+  # smfi_addrcpt</a>.  
+  # If no corresponding mail header is added, this is like a Bcc.
+  # The syntax of the recipient is the same as used in the SMTP
+  # RCPT TO command (and as delivered to the envrcpt callback), for example
+  # "self.addrcpt('<foo@example.com>')".  
+  # The <code>Milter.ADDRCPT</code> action flag must be set.
+  # If the optional <code>params</code> argument is used, then
+  # the <code>Milter.ADDRCPT_PAR</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param rcpt the message recipient 
+  # @param params an optional list of ESMTP parameters
+  # @throws DisabledAction if ADDRCPT or ADDRCPT_PAR is not enabled 
+  def addrcpt(self,rcpt,params=None):
+    if not self._actions & ADDRCPT: raise DisabledAction("ADDRCPT")
+    if params and not self._actions & ADDRCPT_PAR:
+        raise DisabledAction("ADDRCPT_PAR")
+    return self._ctx.addrcpt(rcpt,params)
+  ## Delete a recipient from the message.
+  # Calls <a href="milter_api/smfi_delrcpt.html">
+  # smfi_delrcpt</a>.  
+  # The recipient should match one passed to the envrcpt callback.
+  # The <code>Milter.DELRCPT</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param rcpt the message recipient to delete
+  # @throws DisabledAction if DELRCPT is not enabled
+  def delrcpt(self,rcpt):
+    if not self._actions & DELRCPT: raise DisabledAction("DELRCPT")
+    return self._ctx.delrcpt(rcpt)
+
+  ## Replace the message body.
+  # Calls <a href="milter_api/smfi_replacebody.html">
+  # smfi_replacebody</a>.  
+  # The entire message body must be replaced.  
+  # Call repeatedly with blocks of data until the entire body is transferred.
+  # The <code>Milter.MODBODY</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param body a chunk of body data
+  # @throws DisabledAction if MODBODY is not enabled
+  def replacebody(self,body):
+    if not self._actions & MODBODY: raise DisabledAction("MODBODY")
+    return self._ctx.replacebody(body)
+
+  ## Change the SMTP envelope sender address.
+  # Calls <a href="milter_api/smfi_chgfrom.html">
+  # smfi_chgfrom</a>.  
+  # The syntax of the sender is that same as used in the SMTP
+  # MAIL FROM command (and as delivered to the envfrom callback),
+  # for example <code>self.chgfrom('<bar@example.com>')</code>.
+  # The <code>Milter.CHGFROM</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @since 0.9.1
+  # @param sender the new sender address
+  # @param params an optional list of ESMTP parameters
+  # @throws DisabledAction if CHGFROM is not enabled
+  def chgfrom(self,sender,params=None):
+    if not self._actions & CHGFROM: raise DisabledAction("CHGFROM")
+    return self._ctx.chgfrom(sender,params)
+
+  ## Quarantine the message.
+  # Calls <a href="milter_api/smfi_quarantine.html">
+  # smfi_quarantine</a>.  
+  # When quarantined, a message goes into the mailq as if to be delivered,
+  # but delivery is deferred until the message is unquarantined.
+  # The <code>Milter.QUARANTINE</code> action flag must be set.
+  #
+  # May be called from eom callback only.
+  # @param reason a string describing the reason for quarantine
+  # @throws DisabledAction if QUARANTINE is not enabled
+  def quarantine(self,reason):
+    if not self._actions & QUARANTINE: raise DisabledAction("QUARANTINE")
+    return self._ctx.quarantine(reason)
+
+  ## Tell the MTA to wait a bit longer.
+  # Calls <a href="milter_api/smfi_progress.html">
+  # smfi_progress</a>.  
+  # Resets timeouts in the MTA that detect a "hung" milter.
+  def progress(self):
+    return self._ctx.progress()
+  
+## A logging but otherwise do nothing Milter base class.
+# This is included for compatibility with previous versions of pymilter.
+# The logging callbacks are marked @@noreply.
+class Milter(Base):
+  "A simple class interface to the milter module."
+
+  ## Provide simple logging to sys.stdout
+  def log(self,*msg):
+    print('Milter:',end=None)
+    for i in msg: print(i,end=None)
+    print()
+
+  @noreply
   def connect(self,hostname,family,hostaddr):
     "Called for each connection to sendmail."
     self.log("connect from %s at %s" % (hostname,hostaddr))
     return CONTINUE
 
+  @noreply
   def hello(self,hostname):
     "Called after the HELO command."
     self.log("hello from %s" % hostname)
     return CONTINUE
 
+  @noreply
   def envfrom(self,f,*str):
     """Called to begin each message.
     f -> string		message sender
@@ -62,25 +718,24 @@ class Milter:
     self.log("mail from",f,str)
     return CONTINUE
 
+  @noreply
   def envrcpt(self,to,*str):
     "Called for each message recipient."
     self.log("rcpt to",to,str)
     return CONTINUE
 
+  @noreply
   def header(self,field,value):
     "Called for each message header."
     self.log("%s: %s" % (field,value))
     return CONTINUE
 
+  @noreply
   def eoh(self):
     "Called after all headers are processed."
     self.log("eoh")
     return CONTINUE
 
-  def body(self,unused):
-    "Called to transfer the message body."
-    return CONTINUE
-
   def eom(self):
     "Called at the end of message."
     self.log("eom")
@@ -96,55 +751,49 @@ class Milter:
     self.log("close")
     return CONTINUE
 
-  # Milter methods which can be invoked from callbacks
-  def getsymval(self,sym):
-    return self.__ctx.getsymval(sym)
-
-  # If sendmail does not support setmlreply, then only the
-  # first msg line is used.
-  def setreply(self,rcode,xcode=None,msg=None,*ml):
-    return self.__ctx.setreply(rcode,xcode,msg,*ml)
-
-  # Milter methods which can only be called from eom callback.
-  def addheader(self,field,value,idx=-1):
-    return self.__ctx.addheader(field,value,idx)
-
-  def chgheader(self,field,idx,value):
-    return self.__ctx.chgheader(field,idx,value)
-
-  def addrcpt(self,rcpt):
-    return self.__ctx.addrcpt(rcpt)
-
-  def delrcpt(self,rcpt):
-    return self.__ctx.delrcpt(rcpt)
-
-  def replacebody(self,body):
-    return self.__ctx.replacebody(body)
-
-  # When quarantined, a message goes into the mailq as if to be delivered,
-  # but delivery is deferred until the message is unquarantined.
-  def quarantine(self,reason):
-    return self.__ctx.quarantine(reason)
-
-  def progress(self):
-    return self.__ctx.progress()
-
+## The milter connection factory
+# This factory method is called for each connection to create the
+# python object that tracks the connection.  It should return
+# an object derived from Milter.Base.
+#
+# Note that since python is dynamic, this variable can be changed while
+# the milter is running: for instance, to a new subclass based on a 
+# change in configuration.
 factory = Milter
 
-def connectcallback(ctx,hostname,family,hostaddr):
+## @private
+# @brief Connect context to connection instance and return enabled callbacks.
+def negotiate_callback(ctx,opts):
+  m = factory()
+  m._setctx(ctx)
+  return m.negotiate(opts)
+
+## @private
+# @brief Connect context if needed and invoke connect method.
+def connect_callback(ctx,hostname,family,hostaddr,nr_mask=P_NR_CONN):
+  m = ctx.getpriv()
+  if not m:     
+    # If not already created (because the current MTA doesn't support
+    # xmfi_negotiate), create the connection object.
     m = factory()
     m._setctx(ctx)
   return m.connect(hostname,family,hostaddr)
 
-def closecallback(ctx):
+## @private
+# @brief Disconnect milterContext and call close method.
+def close_callback(ctx):
   m = ctx.getpriv()
   if not m: return CONTINUE
+  try:
     rc = m.close()
+  finally:
     m._setctx(None)	# release milterContext
   return rc
 
+## Convert ESMTP parameters with values to a keyword dictionary.
+# @deprecated You probably want Milter.param2dict instead.
 def dictfromlist(args):
-  "Convert ESMTP parm list to keyword dictionary."
+  "Convert ESMTP parms with values to keyword dictionary."
   kw = {}
   for s in args:
     pos = s.find('=')
@@ -152,6 +801,18 @@ def dictfromlist(args):
       kw[s[:pos].upper()] = s[pos+1:]
   return kw
 
+## Convert ESMTP parm list to keyword dictionary.
+# Params with no value are set to None in the dictionary.
+# @since 0.9.3
+# @param str list of param strings of the form "NAME" or "NAME=VALUE"
+# @return a dictionary of ESMTP param names and values
+def param2dict(str): 
+  "Convert ESMTP parm list to keyword dictionary."
+  pairs = [x.split('=',1) for x in str]
+  for e in pairs:
+    if len(e) < 2: e.append(None)
+  return dict([(k.upper(),v) for k,v in pairs])
+  
 def envcallback(c,args):
   """Call function c with ESMTP parms converted to keyword parameters.
   Can be used in the envfrom and/or envrcpt callbacks to process
@@ -166,48 +827,55 @@ def envcallback(c,args):
       pargs.append(s)
   return c(*pargs,**kw)
 
-def runmilter(name,socketname,timeout = 0):
-  # This bit is here on the assumption that you will be starting this filter
-  # before sendmail.  If sendmail is not running and the socket already exists,
-  # libmilter will throw a warning.  If sendmail is running, this is still
-  # safe if there are no messages currently being processed.  It's safer to
-  # shutdown sendmail, kill the filter process, restart the filter, and then
-  # restart sendmail.
-  pos = socketname.find(':')
-  if pos > 1:
-    s = socketname[:pos]
-    fname = socketname[pos+1:]
-  else:
-    s = "unix"
-    fname = socketname
-  if s == "unix" or s == "local":
-    print "Removing %s" % fname
-    try:
-      os.unlink(fname)
-    except:
-      pass
+## Run the %milter.
+# @param name the name of the %milter known to the MTA
+# @param socketname the socket to be passed to milter.setconn()
+# @param timeout the time in secs the MTA should wait for a response before 
+#	considering this %milter dead
+def runmilter(name,socketname,timeout = 0,rmsock=True):
 
   # The default flags set include everything
   # milter.set_flags(milter.ADDHDRS)
-  milter.set_connect_callback(connectcallback)
+  milter.set_connect_callback(connect_callback)
   milter.set_helo_callback(lambda ctx, host: ctx.getpriv().hello(host))
   # For envfrom and envrcpt, we would like to convert ESMTP parms to keyword
   # parms, but then all existing users would have to include **kw to accept
   # arbitrary keywords without crashing.  We do provide envcallback and
   # dictfromlist to make parsing the ESMTP args convenient.
-  milter.set_envfrom_callback(lambda ctx,*str: ctx.getpriv().envfrom(*str))
-  milter.set_envrcpt_callback(lambda ctx,*str: ctx.getpriv().envrcpt(*str))
-  milter.set_header_callback(lambda ctx,fld,val: ctx.getpriv().header(fld,val))
+  if sys.version < '3.0.0':
+    milter.set_envfrom_callback(lambda ctx,*s: ctx.getpriv().envfrom(*s))
+    milter.set_envrcpt_callback(lambda ctx,*s: ctx.getpriv().envrcpt(*s))
+    milter.set_header_callback(lambda ctx,f,v: ctx.getpriv().header(f,v))
+  else:
+    milter.set_envfrom_callback(lambda ctx,*b: ctx.getpriv().envfrom_bytes(*b))
+    milter.set_envrcpt_callback(lambda ctx,*b: ctx.getpriv().envrcpt_bytes(*b))
+    milter.set_header_callback(lambda ctx,f,v: ctx.getpriv().header_bytes(f,v))
   milter.set_eoh_callback(lambda ctx: ctx.getpriv().eoh())
   milter.set_body_callback(lambda ctx,chunk: ctx.getpriv().body(chunk))
   milter.set_eom_callback(lambda ctx: ctx.getpriv().eom())
   milter.set_abort_callback(lambda ctx: ctx.getpriv().abort())
-  milter.set_close_callback(closecallback)
+  milter.set_close_callback(close_callback)
 
   milter.setconn(socketname)
   if timeout > 0: milter.settimeout(timeout)
+  # disable negotiate callback if runtime version < (1,0,1)
+  ncb = negotiate_callback
+  if milter.getversion() < (1,0,1):
+    ncb = None
   # The name *must* match the X line in sendmail.cf (supposedly)
-  milter.register(name)
+  milter.register(name,
+        data=lambda ctx: ctx.getpriv().data(),
+        unknown=lambda ctx,cmd: ctx.getpriv().unknown(cmd),
+        negotiate=ncb
+  )
+
+  # We remove the socket here by default on the assumption that you will be
+  # starting this filter before sendmail.  If sendmail is not running and the
+  # socket already exists, libmilter will throw a warning.  If sendmail is
+  # running, this is still safe if there are no messages currently being
+  # processed.  It's safer to shutdown sendmail, kill the filter process,
+  # restart the filter, and then restart sendmail.
+  milter.opensocket(rmsock)
   start_seq = _seq
   try:
     milter.main()
@@ -220,3 +888,7 @@ __all__ = globals().copy()
 for priv in ('os','milter','thread','factory','_seq','_seq_lock','__version__'):
   del __all__[priv]
 __all__ = __all__.keys()
+
+## @example milter-template.py
+## @example milter-nomix.py
+#

Milter/cache.py

@@ -10,6 +10,17 @@
 # CBV results.
 #
 # $Log$
+# Revision 1.9  2008/05/08 21:35:57  customdesigned
+# Allow explicitly whitelisted email from banned_users.
+#
+# Revision 1.8  2007/09/03 16:18:45  customdesigned
+# Delete unparseable timestamps when loading address cache.  These have
+# arisen because of failure to parse MAIL FROM properly.   Will have to
+# tighten up MAIL FROM parsing to match RFC.
+#
+# Revision 1.7  2007/01/25 22:47:26  customdesigned
+# Persist blacklisting from delayed DSNs.
+#
 # Revision 1.6  2007/01/19 23:31:38  customdesigned
 # Move parse_header to Milter.utils.
 # Test case for delayed DSN parsing.
@@ -35,8 +46,9 @@
 # Copyright 2001,2002,2003,2004,2005 Business Management Systems, Inc.
 # This code is under the GNU General Public License.  See COPYING for details.
 
+from __future__ import print_function
 import time
-from plock import PLock
+from Milter.plock import PLock
 
 class AddrCache(object):
   time_format = '%Y%b%d %H:%M:%S %Z'
@@ -66,13 +78,17 @@ class AddrCache(object):
       for ln in fp:
         try:
           rcpt,ts = ln.strip().split(None,1)
+          try:
             l = time.strptime(ts,AddrCache.time_format)
             t = time.mktime(l)
             if t < too_old:
               changed = True
               continue
             cache[rcpt.lower()] = (t,None)
-	except:
+          except:       # unparsable timestamp - likely garbage
+            changed = True
+            continue
+        except: # manual entry (no timestamp)
           cache[ln.strip().lower()] = (now,None)
         wfp.write(ln)
       if changed:
@@ -82,8 +98,10 @@ class AddrCache(object):
     except IOError:
       lock.unlock()
 
-  def has_key(self,sender):
-    "True if sender is cached and has not expired."
+  def has_precise_key(self,sender):
+    """True if precise sender is cached and has not expired.  Don't
+    try looking up wildcard entries.
+    """
     try:
       lsender = sender and sender.lower()
       ts,res = self.cache[lsender]
@@ -91,15 +109,16 @@ class AddrCache(object):
       if not ts or ts > too_old:
         return True
       del self.cache[lsender]
+    except KeyError: pass
+    return False
+
+  def has_key(self,sender):
+    "True if sender is cached and has not expired."
+    if self.has_precise_key(sender):
+      return True
     try:
       user,host = sender.split('@',1)
-	return self.has_key(host)
-      except ValueError:
-        pass
-    except KeyError:
-      try:
-	user,host = sender.split('@',1)
-	return self.has_key(host)
+      return self.has_precise_key(host)
     except: pass
     return False
 
@@ -113,8 +132,8 @@ class AddrCache(object):
       if not ts or ts > too_old:
         return res
       del self.cache[lsender]
-      raise KeyError, sender
-    except KeyError,x:
+      raise KeyError(sender)
+    except KeyError as x:
       try:
         user,host = sender.split('@',1)
         return self.__getitem__(host)
@@ -129,7 +148,8 @@ class AddrCache(object):
       if not ts: return		# already permanent
     self.cache[lsender] = (None,res)
     if not res:
-      print >>open(self.fname,'a'),sender
+      with open(self.fname,'a') as fp:
+        print(sender,file=fp)
     
   def __setitem__(self,sender,res):
     lsender = sender.lower()
@@ -137,7 +157,8 @@ class AddrCache(object):
     self.cache[lsender] = (now,res)
     if not res and self.fname:
       s = time.strftime(AddrCache.time_format,time.localtime(now))
-      print >>open(self.fname,'a'),sender,s # log refreshed senders
+      with open(self.fname,'a') as fp:
+        print(sender,s,file=fp) # log refreshed senders
 
   def __len__(self):
     return len(self.cache)

Milter/config.py

@@ -1,4 +1,8 @@
-from ConfigParser import ConfigParser
+try:
+  from configparser import ConfigParser
+except:
+  from ConfigParser import ConfigParser
+import os.path
 
 class MilterConfigParser(ConfigParser):
 
@@ -10,17 +14,17 @@ class MilterConfigParser(ConfigParser):
   # which screws up iterating over all options in a section.
   # Worse, passing "defaults" with vars= overrides the config file!
   # So we roll our own defaults.
-  def get(self,sect,opt):
-    if not self.has_option(sect,opt) and opt in self.defaults:
+  def get(self,sect,opt,fallback=None,**kwds):
+    if not self.has_option(sect,opt) and not fallback and opt in self.defaults:
       return self.defaults[opt]
-    return ConfigParser.get(self,sect,opt)
+    return ConfigParser.get(self,sect,opt,fallback=fallback,**kwds)
     
   def getlist(self,sect,opt):
     if self.has_option(sect,opt):
       return [q.strip() for q in self.get(sect,opt).split(',')]
     return []
 
-  def getaddrset(self,sect,opt):
+  def getaddrset(self,sect,opt,dir=''):
     if not self.has_option(sect,opt):
       return {}
     s = self.get(sect,opt)
@@ -29,13 +33,15 @@ class MilterConfigParser(ConfigParser):
       q = q.strip()
       if q.startswith('file:'):
         domain = q[5:].lower()
-	d[domain] = d.setdefault(domain,[]) + open(domain,'r').read().split()
+        fname = os.path.join(dir,domain)
+        with open(fname,'r') as fp:
+          d[domain] = d.setdefault(domain,[]) + fp.read().split()
       else:
         user,domain = q.split('@')
         d.setdefault(domain.lower(),[]).append(user)
     return d
   
-  def getaddrdict(self,sect,opt):
+  def getaddrdict(self,sect,opt,dir=''):
     if not self.has_option(sect,opt):
       return {}
     d = {}
@@ -46,8 +52,9 @@ class MilterConfigParser(ConfigParser):
         for addr in l.split(','):
           addr = addr.strip()
           if addr.startswith('file:'):
-	    fname = addr[5:]
-	    for a in open(fname,'r').read().split():
+            fname = os.path.join(dir,addr[5:])
+            with open(fname,'r') as fp:
+              for a in fp.read().split():
                 d[a] = q
           else:
             d[addr] = q
@@ -57,3 +64,8 @@ class MilterConfigParser(ConfigParser):
     if self.has_option(sect,opt):
       return self.get(sect,opt)
     return default
+
+  def getintdefault(self,sect,opt,default=None):
+    if self.has_option(sect,opt):
+      return self.getint(sect,opt)
+    return default

Milter/dns.py

@@ -0,0 +1,125 @@
+## @package Milter.dns
+# Provide a higher level interface to pydns.
+
+from __future__ import print_function
+import DNS
+from DNS import DNSError
+
+MAX_CNAME = 10
+
+## Lookup DNS records by label and RR type.
+# The response can include records of other types that the DNS
+# server thinks we might need.
+# @param name the DNS label to lookup
+# @param qtype the name of the DNS RR type to lookup
+# @return a list of ((name,type),data) tuples
+def DNSLookup(name, qtype):
+    try:
+        # To be thread safe, we create a fresh DnsRequest with
+        # each call.  It would be more efficient to reuse
+        # a req object stored in a Session.
+        req = DNS.DnsRequest(name, qtype=qtype)
+        resp = req.req()
+        #resp.show()
+        # key k: ('wayforward.net', 'A'), value v
+        # FIXME: pydns returns AAAA RR as 16 byte binary string, but
+        # A RR as dotted quad.  For consistency, this driver should
+        # return both as binary string.
+        return [((a['name'], a['typename']), a['data']) for a in resp.answers]
+    except IOError as x:
+        raise DNSError(str(x))
+
+class Session(object):
+  """A Session object has a simple cache with no TTL that is valid
+   for a single "session", for example an SMTP conversation."""
+  def __init__(self):
+    self.cache = {}
+
+  ## Additional DNS RRs we can safely cache.
+  # We have to be careful which additional DNS RRs we cache.  For
+  # instance, PTR records are controlled by the connecting IP, and they
+  # could poison our local cache with bogus A and MX records.  
+  # Each entry is a tuple of (query_type,rr_type).  So for instance,
+  # the entry ('MX','A') says it is safe (for milter purposes) to cache
+  # any 'A' RRs found in an 'MX' query.
+  SAFE2CACHE = frozenset((
+    ('MX','MX'), ('MX','A'),
+    ('CNAME','CNAME'), ('CNAME','A'),
+    ('A','A'),
+    ('AAAA','AAAA'),
+    ('PTR','PTR'),
+    ('NS','NS'), ('NS','A'),
+    ('TXT','TXT'),
+    ('SPF','SPF')
+  ))
+
+  ## Cached DNS lookup.
+  # @param name the DNS label to query
+  # @param qtype the query type, e.g. 'A'
+  # @param cnames tracks CNAMES already followed in recursive calls
+  def dns(self, name, qtype, cnames=None):
+    """DNS query.
+
+    If the result is in cache, return that.  Otherwise pull the
+    result from DNS, and cache ALL answers, so additional info
+    is available for further queries later.
+
+    CNAMEs are followed.
+
+    If there is no data, [] is returned.
+
+    pre: qtype in ['A', 'AAAA', 'MX', 'PTR', 'TXT', 'SPF']
+    post: isinstance(__return__, types.ListType)
+    """
+    if name.endswith('.'): name = name[:-1]
+    if not reduce(lambda x,y:x and 0 < len(y) < 64, name.split('.'),True):
+        return []   # invalid DNS name (too long or empty)
+    name = name.lower()
+    result = self.cache.get( (name, qtype) )
+    cname = None
+    if result: return result
+    cnamek = (name,'CNAME')
+    cname = self.cache.get( cnamek )
+
+    if cname:
+        cname = cname[0]
+    else:
+        safe2cache = Session.SAFE2CACHE
+        for k, v in DNSLookup(name, qtype):
+            if k == cnamek:
+                cname = v
+            if k[1] == 'CNAME' or (qtype,k[1]) in safe2cache:
+                self.cache.setdefault(k, []).append(v)
+        result = self.cache.get( (name, qtype), [])
+    if not result and cname:
+        if not cnames:
+            cnames = {}
+        elif len(cnames) >= MAX_CNAME:
+            #return result    # if too many == NX_DOMAIN
+            raise DNSError('Length of CNAME chain exceeds %d' % MAX_CNAME)
+        cnames[name] = cname
+        if cname.lower().rstrip('.') in cnames:
+            raise DNSError('CNAME loop')
+        result = self.dns(cname, qtype, cnames=cnames)
+        if result:
+            self.cache[(name,qtype)] = result
+    return result
+
+  def dns_txt(self, domainname, enc='ascii'):
+    "Get a list of TXT records for a domain name."
+    if domainname:
+        try:
+            return [''.join(s.decode(enc) for s in a)
+                for a in self.dns(domainname, 'TXT')]
+        except UnicodeEncodeError:
+            raise DNSError('Non-ascii character in SPF TXT record.')
+    return []
+
+DNS.DiscoverNameServers()
+
+if __name__ == '__main__':
+  import sys
+  s = Session()
+  for n,t in zip(*[iter(sys.argv[1:])]*2):
+    print(n,t)
+    print(s.dns(n,t))

Milter/dsn.py

@@ -5,6 +5,33 @@
 # Send DSNs, do call back verification,
 # and generate DSN messages from a template
 # $Log$
+# Revision 1.22  2011/03/18 20:41:31  customdesigned
+# Python2.6 SMTP.close() fails when instance never connected.
+#
+# Revision 1.21  2011/03/03 05:11:58  customdesigned
+# Release 0.9.4
+#
+# Revision 1.20  2010/10/11 00:29:47  customdesigned
+# Handle multiple recipients.  For CBV or auto whitelist of multiple emails.
+#
+# Revision 1.19  2009/07/02 19:41:12  customdesigned
+# Handle @ in localpart.
+#
+# Revision 1.18  2009/06/10 18:01:59  customdesigned
+# Doxygen updates
+#
+# Revision 1.17  2009/05/20 20:08:44  customdesigned
+# Support non-DSN CBV (non-empty MAIL FROM)
+#
+# Revision 1.16  2007/09/25 01:24:59  customdesigned
+# Allow arbitrary object, not just spf.query like, to provide data for create_msg
+#
+# Revision 1.15  2007/09/24 20:13:26  customdesigned
+# Remove explicit spf dependency.
+#
+# Revision 1.14  2007/03/03 18:19:40  customdesigned
+# Handle DNS error sending DSN.
+#
 # Revision 1.13  2007/01/04 18:01:11  customdesigned
 # Do plain CBV when template missing.
 #
@@ -17,24 +44,65 @@
 # Revision 1.10  2006/05/24 20:56:35  customdesigned
 # Remove default templates.  Scrub test.
 #
-
+## @package Milter.dsn
+# Support DSNs and CallBackValidations (CBV).
+#
+# A Delivery Status Notification (bounce) is sent to the envelope
+# sender (original MAIL FROM) with a null MAIL FROM (<>) to notify the
+# original sender # of delays or problems with delivery.  A Callback Validation
+# starts the DSN process, but stops before issuing the DATA command.  The
+# purpose is to check whether the envelope recipient is accepted (and is
+# therefore a valid email).  The null MAIL FROM tells the remote
+# MTA to never reply according to RFC2821 (but some braindead MTAs
+# reply anyway, of course).
+#
+# Milters should cache CBV results and should avoid sending DSNs
+# unless the sender is authenticated somehow (e.g. SPF Pass).  However,
+# when email is quarantined, and is not known to be a forgery, sending a DSN 
+# is better than silently disappearing, and a DSN is better than sending
+# a normal message as notification - because MAIL FROM signing schemes
+# can reject bounces of forged emails.   Whatever you do, don't copy those
+# assinine commercial filters that send a normal message to notify you
+# that some virus is forging your email.
+#
+# <b>DSNs should *only* be sent to MAIL FROM addresses.</b>  Never send
+# a DSN or use a null MAIL FROM with an email address obtained from
+# anywhere else.
+#
+from __future__ import print_function
 import smtplib
-import spf
 import socket
-from email.Message import Message
+try:
+  from email.message import Message
+except:
+  from email.Message import Message
 import Milter
+import Milter.dns as dns
 import time
 
-def send_dsn(mailfrom,receiver,msg=None,timeout=600):
+## Send DSN.
+# Try the published MX names in order, rejecting obviously bogus entries
+# (like <code>localhost</code>).
+# @param mailfrom the original sender we are notifying or validating
+# @param receiver the HELO name of the MTA we are sending the DSN on behalf of.
+#	Be sure to send from an IP that matches the HELO.
+# @param msg the DSN message in RFC2822 format, or None for CBV.
+# @param timeout total seconds to wait for a response from an MX
+# @param session Milter.dns.Session object from current incoming mail
+#	session to reuse its cache, or None to create a fresh one.
+# @param ourfrom set to a valid email to send a normal notification from, or
+#	to validate emails not obtained from MAIL FROM.
+# @return None on success or (status_code,msg) on failure.
+def send_dsn(mailfrom,receiver,msg=None,timeout=600,session=None,ourfrom=''):
   """Send DSN.  If msg is None, do callback verification.
      Mailfrom is original sender we are sending DSN or CBV to.
      Receiver is the MTA sending the DSN.
      Return None for success or (code,msg) for failure."""
-  user,domain = mailfrom.split('@')
+  user,domain = mailfrom.rsplit('@',1)
+  if not session: session = dns.Session()
   try:
-    q = spf.query(None,None,None)
-    mxlist = q.dns(domain,'MX')
-  except spf.TempError:
+    mxlist = session.dns(domain,'MX')
+  except dns.DNSError:
     return (450,'DNS Timeout: %s MX'%domain)	# temp error
   if not mxlist:
     mxlist = (0,domain),	# fallback to A record when no MX
@@ -56,24 +124,34 @@ def send_dsn(mailfrom,receiver,msg=None,timeout=600):
         raise smtplib.SMTPHeloError(code, resp)
       if msg:
         try:
-	  smtp.sendmail('<>',mailfrom,msg)
+          smtp.sendmail('<%s>'%ourfrom,mailfrom,msg)
         except smtplib.SMTPSenderRefused:
 	  # does not accept DSN, try postmaster (at the risk of mail loops)
           smtp.sendmail('<postmaster@%s>'%receiver,mailfrom,msg)
       else:	# CBV
-	code,resp = smtp.docmd('MAIL FROM: <>')
+        code,resp = smtp.docmd('MAIL FROM: <%s>'%ourfrom)
         if code != 250:
-	  raise smtplib.SMTPSenderRefused(code, resp, '<>')
-	code,resp = smtp.rcpt(mailfrom)
+          raise smtplib.SMTPSenderRefused(code, resp, '<%s>'%ourfrom)
+        if isinstance(mailfrom,basestring):
+          mailfrom = [mailfrom]
+        badrcpts = {}
+        for rcpt in mailfrom:
+          code,resp = smtp.rcpt(rcpt)
           if code not in (250,251):
-	  return (code,resp)		# permanent error
+            badrcpts[rcpt] = (code,resp)# permanent error
         smtp.quit()
+        if len(badrcpts) == 1:
+          return badrcpts.values()[0]	# permanent error
+        if badrcpts:
+          return badrcpts
       return None			# success
-    except smtplib.SMTPRecipientsRefused,x:
-      return x.recipients[mailfrom]	# permanent error
-    except smtplib.SMTPSenderRefused,x:
+    except smtplib.SMTPRecipientsRefused as x:
+      if len(x.recipients) == 1:
+        return x.recipients.values()[0]	# permanent error
+      return x.recipients
+    except smtplib.SMTPSenderRefused as x:
       return x.args[:2]			# does not accept DSN
-    except smtplib.SMTPDataError,x:
+    except smtplib.SMTPDataError as x:
       return x.args			# permanent error
     except smtplib.SMTPException:
       pass		# any other error, try next MX
@@ -81,28 +159,46 @@ def send_dsn(mailfrom,receiver,msg=None,timeout=600):
       pass		# MX didn't accept connections, try next one
     except socket.timeout:
       pass		# MX too slow, try next one
-    smtp.close()
+    if hasattr(smtp,'sock'): smtp.close()
     if time.time() > toolate:
       return (450,'No MX response within %f minutes'%(timeout/60.0))
   return (450,'No MX servers available')	# temp error
 
-def create_msg(q,rcptlist,origmsg=None,template=None):
-  "Create a DSN message from a template.  Template must be '\n' separated."
+class Vars: pass
+
+# NOTE: Caller can pass an object to create_msg that in a typical milter
+# collects things like heloname or sender anyway.
+def create_msg(v,rcptlist=None,origmsg=None,template=None):
+  """Create a DSN message from a template.  Template must be '\n' separated.
+     v - an object whose attributes are used for substitutions.  Must
+       have sender and receiver attributes at a minimum.
+     rcptlist - used to set v.rcpt if given
+     origmsg - used to set v.subject and v.spf_result if given
+     template - a '\n' separated string with python '%(name)s' substitutions.
+  """
   if not template:
     return None
-  heloname = q.h
-  sender = q.s
-  connectip = q.i
-  receiver = q.r
-  sender_domain = q.o
-  result = q.result
-  perm_error = q.perm_error
-  rcpt = '\n\t'.join(rcptlist)
-  try: subject = origmsg['Subject']
-  except: subject = '(none)'
+  if hasattr(v,'perm_error'):
+    # likely to be an spf.query, try translating for backward compatibility
+    q = v
+    v = Vars()
     try:
-    spf_result = origmsg['Received-SPF']
-  except: spf_result = None
+      v.heloname = q.h
+      v.sender = q.s
+      v.connectip = q.i
+      v.receiver = q.r
+      v.sender_domain = q.o
+      v.result = q.result
+      v.perm_error = q.perm_error
+    except: v = q
+  if rcptlist:
+    v.rcpt = '\n\t'.join(rcptlist)
+  if origmsg:
+    try: v.subject = origmsg['Subject']
+    except: v.subject = '(none)'
+    try:
+      v.spf_result = origmsg['Received-SPF']
+    except: v.spf_result = None
 
   msg = Message()
 
@@ -112,18 +208,19 @@ def create_msg(q,rcptlist,origmsg=None,template=None):
   hdrs,body = template.split('\n\n',1)
   for ln in hdrs.splitlines():
     name,val = ln.split(':',1)
-    msg.add_header(name,(val % locals()).strip())
-  msg.set_payload(body % locals())
+    msg.add_header(name,(val % v.__dict__).strip())
+  msg.set_payload(body % v.__dict__)
   # add headers if missing from old template
   if 'to' not in msg:
-    msg.add_header('To',sender)
+    msg.add_header('To',v.sender)
   if 'from' not in msg:
-    msg.add_header('From','postmaster@%s'%receiver)
+    msg.add_header('From','postmaster@%s'%v.receiver)
   if 'auto-submitted' not in msg:
     msg.add_header('Auto-Submitted','auto-generated')
   return msg
 
 if __name__ == '__main__':
+  import spf
   q = spf.query('192.168.9.50',
   'SRS0=pmeHL=RH==stuart@example.com',
   'red.example.com',receiver='mail.example.com')
@@ -137,6 +234,6 @@ Subject: Test
 Test DSN template
 """
   )
-  print msg.as_string()
-  # print send_dsn(f,msg.as_string())
-  # print send_dsn(q.s,'mail.example.com',msg.as_string())
+  print(msg.as_string())
+  # print(send_dsn(f,msg.as_string()))
+  # print(send_dsn(q.s,'mail.example.com',msg.as_string()))

Milter/dynip.py

@@ -9,6 +9,7 @@
 # wiley-268-8196.roadrunner.nf.net at ('205.251.174.46', 4810)
 # cbl-sd-02-79.aster.com.do at ('200.88.62.79', 4153)
 
+from __future__ import print_function
 import re
 
 ip3 = re.compile('[0-9]{1,3}')
@@ -48,15 +49,16 @@ def is_dynip(host,addr):
   True
   """
   if host.startswith('[') and host.endswith(']'):
-    return True
+    return True                                 # no ptr
   if addr:
     if host.find(addr) >= 0: return True
+    if addr.find(':') >= 0: return False        # IP6
     a = addr.split('.')
-    ia = map(int,a)
+    ia = list(map(int,a))
     h = host
     m = ip3.findall(host)
     if m:
-      g = map(int,m)[:4]
+      g = list(map(int,m))[:4]
       ia3 = (ia[1:],ia[:3])
       if g[-3:] in ia3: return True
       if g[0] == ia[3] and g[1:3] == ia[:2]: return True
@@ -90,6 +92,6 @@ if __name__ == '__main__':
       if ip in seen: continue
       seen.add(ip)
       if is_dynip(host,ip):
-        print '%s\t%s DYN' % (ip,host)
+        print('%s\t%s DYN' % (ip,host))
       else:
-        print '%s\t%s' % (ip,host)
+        print('%s\t%s' % (ip,host))

Milter/greylist.py

@@ -0,0 +1,121 @@
+from __future__ import print_function
+import time
+import shelve
+import thread
+import logging
+import urllib
+
+log = logging.getLogger('milter.greylist')
+
+def quoteAddress(s):
+  '''Quote an address so that it's safe to store in the file-system.
+  Address can either be a domain name, or local part.
+  Returns the quoted address.'''
+
+  s = urllib.quote(s, '@_-+~!.%')
+  if s.startswith('.'): s = '%2e' + s[1:]
+  return s
+
+class Record(object):
+  __slots__ = ( 'firstseen', 'lastseen', 'umis', 'cnt' )
+
+  def __init__(self,timeinc=0):
+    now = time.time() + timeinc
+    self.firstseen = now
+    self.lastseen = now
+    self.cnt = 0
+    self.umis = None
+
+  def __str__(self):
+    return "Grey[%s:%s:%s:%d]" % (
+        time.ctime(self.firstseen),time.ctime(self.lastseen),
+        self.umis,self.cnt
+    )
+
+class Greylist(object):
+
+  def __init__(self,dbname,grey_time=10,grey_expire=4,grey_retain=36):
+    self.ignoreLastByte = False
+    self.greylist_time = grey_time * 60         # minutes
+    self.greylist_expire = grey_expire * 3600   # hours
+    self.greylist_retain = grey_retain * 24 * 3600   # days
+    self.dbp = shelve.open(dbname,'c',protocol=2)
+    self.lock = thread.allocate_lock()
+
+  def export_csv(self,fp,timeinc=0):
+    "Export records to csv."
+    import csv
+    dbp = self.dbp
+    w = csv.writer(fp)
+    now = time.time() + timeinc
+    for key, r in dbp.iteritems():
+      if now > r.lastseen + self.greylist_retain: continue
+      ip,sender,recipient = key.rsplit(':',2)
+      w.writerow([ip,sender,recipient,r.firstseen,r.lastseen,r.cnt,r.umis])
+
+  def clean(self,timeinc=0):
+    "Delete records past the retention limit."
+    now = time.time() + timeinc
+    cnt = 0
+    dbp = self.dbp
+    for key, r in dbp.iteritems():
+      #print(key,r,time.ctime(now))
+      if now > r.lastseen + self.greylist_retain:
+        self.lock.acquire()
+        try:
+          r = dbp[key]
+          now = time.time() + timeinc
+          if now > r.lastseen + self.greylist_retain:
+            del dbp[key]
+            cnt += 1
+        finally:
+          self.lock.release()
+    return cnt
+  
+  def check(self,ip,sender,recipient,timeinc=0):
+    "Return number of allowed messages for greylist triple."
+    sender = quoteAddress(sender)
+    recipient = quoteAddress(recipient)
+    key = ip + ':' + sender + ':' + recipient
+    self.lock.acquire()
+    try:
+      dbp = self.dbp
+      try:
+        r = dbp[key]
+        now = time.time() + timeinc
+        if now > r.lastseen + self.greylist_retain:
+          # expired
+          log.debug('Expired greylist: %s',key)
+          r = Record(timeinc)
+        elif now < r.firstseen + self.greylist_time + 5:
+          # still greylisted
+          log.debug('Early greylist: %s',key)
+          #r = Record(timeinc)
+          r.lastseen = now
+        elif r.cnt or now < r.firstseen + self.greylist_expire:
+          # in greylist window or active
+          r.lastseen = now
+          r.cnt += 1
+          log.debug('Active greylist(%d): %s',r.cnt,key)
+        else:
+          # passed greylist window
+          log.debug('Late greylist: %s',key)
+          r = Record(timeinc)
+        dbp[key] = r
+      except:
+        r = Record(timeinc)
+        dbp[key] = r
+      dbp.sync()
+    finally:
+      self.lock.release()
+    return r.cnt
+
+  def close(self):
+    self.dbp.close()
+
+if __name__ == '__main__':
+  import sys
+  g = Greylist(sys.argv[1],5,24,36)
+  try:
+    g.export_csv(sys.stdout)
+  finally: g.close()

Milter/greysql.py

@@ -0,0 +1,109 @@
+import time
+import logging
+import urllib
+import sqlite3
+try:
+  import thread
+except:
+  import _thread as thread
+from datetime import datetime
+
+log = logging.getLogger('milter.greylist')
+
+_db_lock = thread.allocate_lock()
+
+class Greylist(object):
+
+  def __init__(self,dbname,grey_time=10,grey_expire=4,grey_retain=36):
+    self.ignoreLastByte = False
+    self.greylist_time = grey_time * 60         # minutes
+    self.greylist_expire = grey_expire * 3600   # hours
+    self.greylist_retain = grey_retain * 24 * 3600   # days
+    self.conn = sqlite3.connect(dbname)
+    self.conn.row_factory = sqlite3.Row
+    try:
+      self.conn.execute('''create table greylist(
+        ip text , sender text, recipient text,
+        firstseen timestamp, lastseen timestamp, cnt integer, umis text,
+        primary key (ip,sender,recipient))''')
+    except: pass
+
+  def import_csv(self,fp):
+    import csv
+    rdr = csv.reader(fp)
+    cur = self.conn.execute('begin immediate')
+    try:
+      for r in rdr:
+        cur.execute('''insert into 
+          greylist(ip,sender,recipient,firstseen,lastseen,cnt,umis)
+          values(?,?,?,?,?,?,?)''', r)
+      self.conn.commit()
+    finally:
+      cur.close();
+
+  def clean(self,timeinc=0):
+    "Delete records past the retention limit."
+    now = time.time() + timeinc - self.greylist_retain
+    cur = self.conn.cursor()
+    try:
+      cur.execute('delete from greylist where lastseen < ?',(now,))
+      cnt = cur.rowcount
+      self.conn.commit()
+    finally: cur.close()
+    return cnt
+
+  def check(self,ip,sender,recipient,timeinc=0):
+    "Return number of allowed messages for greylist triple."
+    _db_lock.acquire()
+    cur = self.conn.execute('begin immediate')
+    try:
+      cur.execute('''select firstseen,lastseen,cnt,umis from greylist where
+        ip=? and sender=? and recipient=?''',(ip,sender,recipient))
+      r = cur.fetchone()
+      now = time.time() + timeinc
+      cnt = 0
+      if not r:
+        cur.execute('''insert into 
+          greylist(ip,sender,recipient,firstseen,lastseen,cnt,umis)
+          values(?,?,?,?,?,?,?)''', (ip,sender,recipient,now,now,0,None))
+      elif now > r['lastseen'] + self.greylist_retain:
+        # expired
+        log.debug('Expired greylist: %s:%s:%s',ip,sender,recipient)
+        cur.execute('''update greylist set firstseen=?,lastseen=?,cnt=?,umis=?
+          where ip=? and sender=? and recipient=?''',
+          (now,now,0,None,ip,sender,recipient))
+      elif now < r['firstseen'] + self.greylist_time + 5:
+        # still greylisted
+        log.debug('Early greylist: %s:%s:%s',ip,sender,recipient)
+        #r = Record()
+        cur.execute('''update greylist set lastseen=?
+          where ip=? and sender=? and recipient=?''',
+          (now,ip,sender,recipient))
+      elif r['cnt'] or now < r['firstseen'] + self.greylist_expire:
+        # in greylist window or active
+        cnt = r['cnt'] + 1
+        cur.execute('''update greylist set lastseen=?,cnt=?
+          where ip=? and sender=? and recipient=?''',
+          (now,cnt,ip,sender,recipient))
+        log.debug('Active greylist(%d): %s:%s:%s',cnt,ip,sender,recipient)
+      else:
+        # passed greylist window
+        log.debug('Late greylist: %s:%s:%s',ip,sender,recipient)
+        cur.execute('''update greylist set firstseen=?,lastseen=?,cnt=?,umis=?
+          where ip=? and sender=? and recipient=?''',
+          (now,now,0,None,ip,sender,recipient))
+      self.conn.commit()
+    finally:
+      cur.close()
+      _db_lock.release()
+    return cnt
+
+  def close(self):
+    self.conn.close()
+
+if __name__ == '__main__':
+  import sys
+  g = Greylist(sys.argv[1])
+  try:
+    g.import_csv(sys.stdin)
+  finally: g.close()

Milter/plock.py

@@ -11,7 +11,7 @@ class PLock(object):
     self.basename = basename
     self.fp = None
 
-  def lock(self,lockname=None,mode=0660,strict_perms=False):
+  def lock(self,lockname=None,mode=0o660,strict_perms=False):
     "Start an update transaction.  Return FILE to write new version."
     self.unlock()
     if not lockname:
@@ -21,7 +21,7 @@ class PLock(object):
       st = os.stat(self.basename)
       mode |= st.st_mode
     except OSError: pass
-    u = os.umask(0002)
+    u = os.umask(0o2)
     try:
       fd = os.open(lockname,os.O_WRONLY+os.O_CREAT+os.O_EXCL,mode)
     finally:
@@ -46,7 +46,7 @@ class PLock(object):
   def commit(self,backname=None):
     "Commit update transaction with optional backup file."
     if not self.fp:
-      raise IOError,"File not locked"
+      raise IOError("File not locked")
     self.fp.close()
     self.fp = None
     if backname:

Milter/policy.py

@@ -0,0 +1,68 @@
+try:
+  from bsddb3 import db
+  class DB(object):
+    def open(self,fname,mode):
+      if mode == 'r': flags = db.DB_RDONLY
+      else: raise RuntimeException('unsupported mode')
+      self.f = db.DB()
+      self.f.open(fname,flags=flags)
+    def __getitem__(self,key):
+      v = self.f.get(key)
+      if not v: raise KeyError(key)
+      return v
+    def close(self):
+      self.f.close()
+  def dbmopen(fname,mode):
+    f = DB()
+    f.open(fname,mode)
+    return f
+except ModuleNotFoundError: raise
+except:
+  import anydbm as dbm
+  dbmopen = dbm.open
+
+class MTAPolicy(object):
+  "Get SPF policy by result from sendmail style access file."
+  def __init__(self,sender,conf,access_file=None):
+    if not access_file:
+      access_file = conf.access_file
+    self.use_nulls = conf.access_file_nulls
+    self.sender = sender
+    self.domain = sender.split('@')[-1].lower()
+    self.acf = None
+    self.access_file = access_file
+
+  def close(self):
+    if self.acf:
+      self.acf.close()
+
+  def __enter__(self): 
+    self.acf = None
+    if self.access_file:
+      try:
+        self.acf = dbmopen(self.access_file,'r')
+      except:
+        print('%s: Cannot open for reading'%self.access_file)
+        raise
+    return self
+  def __exit__(self,t,v,b): self.close()
+
+  def getPolicy(self,pfx):
+    acf = self.acf
+    if not acf: return None
+    if self.use_nulls: sfx = b'\x00'
+    else: sfx = b''
+    pfx = pfx.encode() + b'!'
+    try:
+      return acf[pfx + self.sender.encode() + sfx].rstrip(b'\x00').decode()
+    except KeyError:
+      try:
+        return acf[pfx + self.domain.encode() + sfx].rstrip(b'\x00').decode()
+      except KeyError:
+        try:
+          return acf[pfx + sfx].rstrip(b'\x00').decode()
+        except KeyError:
+          try:
+            return acf[pfx[:-1] + sfx].rstrip(b'\x00').decode()
+          except KeyError:
+            return None

Milter/pyip6.py

@@ -0,0 +1,118 @@
+"""Pure Python IP6 parsing and formatting
+
+Copyright (c) 2006 Stuart Gathman <stuart@bmsi.com>
+
+This module is free software, and you may redistribute it and/or modify
+it under the same terms as Python itself, so long as this copyright message
+and disclaimer are retained in their original form.
+"""
+from __future__ import print_function
+import struct
+#from spf import RE_IP4 
+import re
+PAT_IP4 = r'\.'.join([r'(?:\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])']*4)
+RE_IP4 = re.compile(PAT_IP4+'$')
+
+def inet_ntop(s):
+  """
+  Convert ip6 address to standard hex notation.
+
+  Examples:
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0,0,0,0,0,0xFFFF,0x0102,0x0304))
+  '::FFFF:1.2.3.4'
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0x1234,0x5678,0,0,0,0,0x0102,0x0304))
+  '1234:5678::102:304'
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0,0,0,0x1234,0x5678,0,0x0102,0x0304))
+  '::1234:5678:0:102:304'
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0x1234,0x5678,0,0x0102,0x0304,0,0,0))
+  '1234:5678:0:102:304::'
+
+  >>> inet_ntop(struct.pack("!HHHHHHHH",0,0,0,0,0,0,0,0))
+  '::'
+  """
+  # convert to 8 words
+  a = struct.unpack("!HHHHHHHH",s)
+  n = (0,0,0,0,0,0,0,0)	# null ip6
+  if a == n: return '::'
+  # check for ip4 mapped
+  if a[:5] == (0,0,0,0,0) and a[5] in (0,0xFFFF):
+    ip4 = '.'.join([str(i) for i in struct.unpack("!BBBB",s[12:])])
+    if a[5]:
+      return "::FFFF:" + ip4
+    return "::" + ip4
+  # find index of longest sequence of 0
+  for l in (7,6,5,4,3,2,1):
+    e = n[:l]
+    for i in range(9-l):
+      if a[i:i+l] == e:
+        if i == 0:
+          return ':'+':%x'*(8-l) % a[l:]
+        if i == 8 - l:
+          return '%x:'*(8-l) % a[:-l] + ':'
+        return '%x:'*i % a[:i] + ':%x'*(8-l-i) % a[i+l:]
+  return "%x:%x:%x:%x:%x:%x:%x:%x" % a
+
+def inet_pton(p):
+  """
+  Convert ip6 standard hex notation to ip6 address.
+
+  Examples:
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('::'))
+  (0, 0, 0, 0, 0, 0, 0, 0)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('::1234'))
+  (0, 0, 0, 0, 0, 0, 0, 4660)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('1234::'))
+  (4660, 0, 0, 0, 0, 0, 0, 0)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('1234::5678'))
+  (4660, 0, 0, 0, 0, 0, 0, 22136)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('::FFFF:1.2.3.4'))
+  (0, 0, 0, 0, 0, 65535, 258, 772)
+
+  >>> struct.unpack('!HHHHHHHH',inet_pton('1.2.3.4'))
+  (0, 0, 0, 0, 0, 65535, 258, 772)
+
+  >>> try: inet_pton('::1.2.3.4.5')
+  ... except ValueError as x: print(x)
+  ::1.2.3.4.5
+  """
+  if p == '::':
+    return b'\0'*16
+  s = p
+  m = RE_IP4.search(s)
+  try:
+      if m:
+          pos = m.start()
+          ip4 = [int(i) for i in s[pos:].split('.')]
+          if not pos:
+              return struct.pack('!QLBBBB',0,65535,*ip4)
+          s = s[:pos]+'%x%02x:%x%02x'%tuple(ip4)
+      a = s.split('::')
+      if len(a) == 2:
+        l,r = a
+        if not l:
+          r = r.split(':')
+          return struct.pack('!HHHHHHHH',
+	    *[0]*(8-len(r)) + [int(s,16) for s in r])
+        if not r:
+          l = l.split(':')
+          return struct.pack('!HHHHHHHH',
+	    *[int(s,16) for s in l] + [0]*(8-len(l)))
+        l = l.split(':')
+        r = r.split(':')
+        return struct.pack('!HHHHHHHH',
+	    *[int(s,16) for s in l] + [0]*(8-len(l)-len(r))
+	    + [int(s,16) for s in r])
+      if len(a) == 1:
+        return struct.pack('!HHHHHHHH',
+	    *[int(s,16) for s in a[0].split(':')])
+  except ValueError: pass
+  raise ValueError(p)

Milter/sgmllib.py

@@ -0,0 +1,552 @@
+"""A parser for SGML, using the derived class as a static DTD."""
+
+# XXX This only supports those SGML features used by HTML.
+
+# XXX There should be a way to distinguish between PCDATA (parsed
+# character data -- the normal case), RCDATA (replaceable character
+# data -- only char and entity references and end tags are special)
+# and CDATA (character data -- only end tags are special).  RCDATA is
+# not supported at all.
+
+from __future__ import print_function
+
+try:
+  import _markupbase
+except:
+  import markupbase as _markupbase
+import re
+
+__all__ = ["SGMLParser", "SGMLParseError"]
+
+# Regular expressions used for parsing
+
+interesting = re.compile('[&<]')
+incomplete = re.compile('&([a-zA-Z][a-zA-Z0-9]*|#[0-9]*)?|'
+                           '<([a-zA-Z][^<>]*|'
+                              '/([a-zA-Z][^<>]*)?|'
+                              '![^<>]*)?')
+
+entityref = re.compile('&([a-zA-Z][-.a-zA-Z0-9]*)[^a-zA-Z0-9]')
+charref = re.compile('&#([0-9]+)[^0-9]')
+
+starttagopen = re.compile('<[>a-zA-Z]')
+shorttagopen = re.compile('<[a-zA-Z][-.a-zA-Z0-9]*/')
+shorttag = re.compile('<([a-zA-Z][-.a-zA-Z0-9]*)/([^/]*)/')
+piclose = re.compile('>')
+endbracket = re.compile('[<>]')
+tagfind = re.compile('[a-zA-Z][-_.a-zA-Z0-9]*')
+attrfind = re.compile(
+    r'\s*([a-zA-Z_][-:.a-zA-Z_0-9]*)(\s*=\s*'
+    r'(\'[^\']*\'|"[^"]*"|[][\-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~\'"@]*))?')
+
+
+class SGMLParseError(RuntimeError):
+    """Exception raised for all parse errors."""
+    pass
+
+
+# SGML parser base class -- find tags and call handler functions.
+# Usage: p = SGMLParser(); p.feed(data); ...; p.close().
+# The dtd is defined by deriving a class which defines methods
+# with special names to handle tags: start_foo and end_foo to handle
+# <foo> and </foo>, respectively, or do_foo to handle <foo> by itself.
+# (Tags are converted to lower case for this purpose.)  The data
+# between tags is passed to the parser by calling self.handle_data()
+# with some data as argument (the data may be split up in arbitrary
+# chunks).  Entity references are passed by calling
+# self.handle_entityref() with the entity reference as argument.
+
+class SGMLParser(_markupbase.ParserBase):
+    # Definition of entities -- derived classes may override
+    entity_or_charref = re.compile('&(?:'
+      '([a-zA-Z][-.a-zA-Z0-9]*)|#([0-9]+)'
+      ')(;?)')
+
+    def __init__(self, verbose=0):
+        """Initialize and reset this instance."""
+        self.verbose = verbose
+        self.reset()
+
+    def reset(self):
+        """Reset this instance. Loses all unprocessed data."""
+        self.__starttag_text = None
+        self.rawdata = ''
+        self.stack = []
+        self.lasttag = '???'
+        self.nomoretags = 0
+        self.literal = 0
+        _markupbase.ParserBase.reset(self)
+
+    def setnomoretags(self):
+        """Enter literal mode (CDATA) till EOF.
+
+        Intended for derived classes only.
+        """
+        self.nomoretags = self.literal = 1
+
+    def setliteral(self, *args):
+        """Enter literal mode (CDATA).
+
+        Intended for derived classes only.
+        """
+        self.literal = 1
+
+    def feed(self, data):
+        """Feed some data to the parser.
+
+        Call this as often as you want, with as little or as much text
+        as you want (may include '\n').  (This just saves the text,
+        all the processing is done by goahead().)
+        """
+
+        self.rawdata = self.rawdata + data
+        self.goahead(0)
+
+    def close(self):
+        """Handle the remaining data."""
+        self.goahead(1)
+
+    def error(self, message):
+        raise SGMLParseError(message)
+
+    # Internal -- handle data as far as reasonable.  May leave state
+    # and data to be processed by a subsequent call.  If 'end' is
+    # true, force handling all data as if followed by EOF marker.
+    def goahead(self, end):
+        rawdata = self.rawdata
+        i = 0
+        n = len(rawdata)
+        while i < n:
+            if self.nomoretags:
+                self.handle_data(rawdata[i:n])
+                i = n
+                break
+            match = interesting.search(rawdata, i)
+            if match: j = match.start()
+            else: j = n
+            if i < j:
+                self.handle_data(rawdata[i:j])
+            i = j
+            if i == n: break
+            if rawdata[i] == '<':
+                if starttagopen.match(rawdata, i):
+                    if self.literal:
+                        self.handle_data(rawdata[i])
+                        i = i+1
+                        continue
+                    k = self.parse_starttag(i)
+                    if k < 0: break
+                    i = k
+                    continue
+                if rawdata.startswith("</", i):
+                    k = self.parse_endtag(i)
+                    if k < 0: break
+                    i = k
+                    self.literal = 0
+                    continue
+                if self.literal:
+                    if n > (i + 1):
+                        self.handle_data("<")
+                        i = i+1
+                    else:
+                        # incomplete
+                        break
+                    continue
+                if rawdata.startswith("<!--", i):
+                        # Strictly speaking, a comment is --.*--
+                        # within a declaration tag <!...>.
+                        # This should be removed,
+                        # and comments handled only in parse_declaration.
+                    k = self.parse_comment(i)
+                    if k < 0: break
+                    i = k
+                    continue
+                if rawdata.startswith("<?", i):
+                    k = self.parse_pi(i)
+                    if k < 0: break
+                    i = i+k
+                    continue
+                if rawdata.startswith("<!", i):
+                    # This is some sort of declaration; in "HTML as
+                    # deployed," this should only be the document type
+                    # declaration ("<!DOCTYPE html...>").
+                    k = self.parse_declaration(i)
+                    if k < 0: break
+                    i = k
+                    continue
+            elif rawdata[i] == '&':
+                if self.literal:
+                    self.handle_data(rawdata[i])
+                    i = i+1
+                    continue
+                match = charref.match(rawdata, i)
+                if match:
+                    name = match.group(1)
+                    self.handle_charref(name)
+                    i = match.end(0)
+                    if rawdata[i-1] != ';': i = i-1
+                    continue
+                match = entityref.match(rawdata, i)
+                if match:
+                    name = match.group(1)
+                    self.handle_entityref(name)
+                    i = match.end(0)
+                    if rawdata[i-1] != ';': i = i-1
+                    continue
+            else:
+                self.error('neither < nor & ??')
+            # We get here only if incomplete matches but
+            # nothing else
+            match = incomplete.match(rawdata, i)
+            if not match:
+                self.handle_data(rawdata[i])
+                i = i+1
+                continue
+            j = match.end(0)
+            if j == n:
+                break # Really incomplete
+            self.handle_data(rawdata[i:j])
+            i = j
+        # end while
+        if end and i < n:
+            self.handle_data(rawdata[i:n])
+            i = n
+        self.rawdata = rawdata[i:]
+        # XXX if end: check for empty stack
+
+    # Extensions for the DOCTYPE scanner:
+    _decl_otherchars = '='
+
+    # Internal -- parse processing instr, return length or -1 if not terminated
+    def parse_pi(self, i):
+        rawdata = self.rawdata
+        if rawdata[i:i+2] != '<?':
+            self.error('unexpected call to parse_pi()')
+        match = piclose.search(rawdata, i+2)
+        if not match:
+            return -1
+        j = match.start(0)
+        self.handle_pi(rawdata[i+2: j])
+        j = match.end(0)
+        return j-i
+
+    def get_starttag_text(self):
+        return self.__starttag_text
+
+    # Internal -- handle starttag, return length or -1 if not terminated
+    def parse_starttag(self, i):
+        self.__starttag_text = None
+        start_pos = i
+        rawdata = self.rawdata
+        if shorttagopen.match(rawdata, i):
+            # SGML shorthand: <tag/data/ == <tag>data</tag>
+            # XXX Can data contain &... (entity or char refs)?
+            # XXX Can data contain < or > (tag characters)?
+            # XXX Can there be whitespace before the first /?
+            match = shorttag.match(rawdata, i)
+            if not match:
+                return -1
+            tag, data = match.group(1, 2)
+            self.__starttag_text = '<%s/' % tag
+            tag = tag.lower()
+            k = match.end(0)
+            self.finish_shorttag(tag, data)
+            self.__starttag_text = rawdata[start_pos:match.end(1) + 1]
+            return k
+        # XXX The following should skip matching quotes (' or ")
+        # As a shortcut way to exit, this isn't so bad, but shouldn't
+        # be used to locate the actual end of the start tag since the
+        # < or > characters may be embedded in an attribute value.
+        match = endbracket.search(rawdata, i+1)
+        if not match:
+            return -1
+        j = match.start(0)
+        # Now parse the data between i+1 and j into a tag and attrs
+        attrs = []
+        if rawdata[i:i+2] == '<>':
+            # SGML shorthand: <> == <last open tag seen>
+            k = j
+            tag = self.lasttag
+        else:
+            match = tagfind.match(rawdata, i+1)
+            if not match:
+                self.error('unexpected call to parse_starttag')
+            k = match.end(0)
+            tag = rawdata[i+1:k].lower()
+            self.lasttag = tag
+        while k < j:
+            match = attrfind.match(rawdata, k)
+            if not match: break
+            attrname, rest, attrvalue = match.group(1, 2, 3)
+            if not rest:
+                attrvalue = attrname
+            else:
+                if (attrvalue[:1] == "'" == attrvalue[-1:] or
+                    attrvalue[:1] == '"' == attrvalue[-1:]):
+                    # strip quotes
+                    attrvalue = attrvalue[1:-1]
+                attrvalue = self.entity_or_charref.sub(
+                    self._convert_ref, attrvalue)
+            attrs.append((attrname.lower(), attrvalue))
+            k = match.end(0)
+        if rawdata[j] == '>':
+            j = j+1
+        self.__starttag_text = rawdata[start_pos:j]
+        self.finish_starttag(tag, attrs)
+        return j
+
+    # Internal -- convert entity or character reference
+    def _convert_ref(self, match):
+        if match.group(2):
+            return self.convert_charref(match.group(2)) or \
+                '&#%s%s' % match.groups()[1:]
+        elif match.group(3):
+            return self.convert_entityref(match.group(1)) or \
+                '&%s;' % match.group(1)
+        else:
+            return '&%s' % match.group(1)
+
+    # Internal -- parse endtag
+    def parse_endtag(self, i):
+        rawdata = self.rawdata
+        match = endbracket.search(rawdata, i+1)
+        if not match:
+            return -1
+        j = match.start(0)
+        tag = rawdata[i+2:j].strip().lower()
+        if rawdata[j] == '>':
+            j = j+1
+        self.finish_endtag(tag)
+        return j
+
+    # Internal -- finish parsing of <tag/data/ (same as <tag>data</tag>)
+    def finish_shorttag(self, tag, data):
+        self.finish_starttag(tag, [])
+        self.handle_data(data)
+        self.finish_endtag(tag)
+
+    # Internal -- finish processing of start tag
+    # Return -1 for unknown tag, 0 for open-only tag, 1 for balanced tag
+    def finish_starttag(self, tag, attrs):
+        try:
+            method = getattr(self, 'start_' + tag)
+        except AttributeError:
+            try:
+                method = getattr(self, 'do_' + tag)
+            except AttributeError:
+                self.unknown_starttag(tag, attrs)
+                return -1
+            else:
+                self.handle_starttag(tag, method, attrs)
+                return 0
+        else:
+            self.stack.append(tag)
+            self.handle_starttag(tag, method, attrs)
+            return 1
+
+    # Internal -- finish processing of end tag
+    def finish_endtag(self, tag):
+        if not tag:
+            found = len(self.stack) - 1
+            if found < 0:
+                self.unknown_endtag(tag)
+                return
+        else:
+            if tag not in self.stack:
+                try:
+                    method = getattr(self, 'end_' + tag)
+                except AttributeError:
+                    self.unknown_endtag(tag)
+                else:
+                    self.report_unbalanced(tag)
+                return
+            found = len(self.stack)
+            for i in range(found):
+                if self.stack[i] == tag: found = i
+        while len(self.stack) > found:
+            tag = self.stack[-1]
+            try:
+                method = getattr(self, 'end_' + tag)
+            except AttributeError:
+                method = None
+            if method:
+                self.handle_endtag(tag, method)
+            else:
+                self.unknown_endtag(tag)
+            del self.stack[-1]
+
+    # Overridable -- handle start tag
+    def handle_starttag(self, tag, method, attrs):
+        method(attrs)
+
+    # Overridable -- handle end tag
+    def handle_endtag(self, tag, method):
+        method()
+
+    # Example -- report an unbalanced </...> tag.
+    def report_unbalanced(self, tag):
+        if self.verbose:
+            print('*** Unbalanced </' + tag + '>')
+            print('*** Stack:', self.stack)
+
+    def convert_charref(self, name):
+        """Convert character reference, may be overridden."""
+        try:
+            n = int(name)
+        except ValueError:
+            return
+        if not 0 <= n <= 127:
+            return
+        return self.convert_codepoint(n)
+
+    def convert_codepoint(self, codepoint):
+        return chr(codepoint)
+
+    def handle_charref(self, name):
+        """Handle character reference, no need to override."""
+        replacement = self.convert_charref(name)
+        if replacement is None:
+            self.unknown_charref(name)
+        else:
+            self.handle_data(replacement)
+
+    # Definition of entities -- derived classes may override
+    entitydefs = \
+            {'lt': '<', 'gt': '>', 'amp': '&', 'quot': '"', 'apos': '\''}
+
+    def convert_entityref(self, name):
+        """Convert entity references.
+
+        As an alternative to overriding this method; one can tailor the
+        results by setting up the self.entitydefs mapping appropriately.
+        """
+        table = self.entitydefs
+        if name in table:
+            return table[name]
+        else:
+            return
+
+    def handle_entityref(self, name):
+        """Handle entity references, no need to override."""
+        replacement = self.convert_entityref(name)
+        if replacement is None:
+            self.unknown_entityref(name)
+        else:
+            self.handle_data(replacement)
+
+    # Example -- handle data, should be overridden
+    def handle_data(self, data):
+        pass
+
+    # Example -- handle comment, could be overridden
+    def handle_comment(self, data):
+        pass
+
+    # Example -- handle declaration, could be overridden
+    def handle_decl(self, decl):
+        pass
+
+    # Example -- handle processing instruction, could be overridden
+    def handle_pi(self, data):
+        pass
+
+    # To be overridden -- handlers for unknown objects
+    def unknown_starttag(self, tag, attrs): pass
+    def unknown_endtag(self, tag): pass
+    def unknown_charref(self, ref): pass
+    def unknown_entityref(self, ref): pass
+
+
+class TestSGMLParser(SGMLParser):
+
+    def __init__(self, verbose=0):
+        self.testdata = ""
+        SGMLParser.__init__(self, verbose)
+
+    def handle_data(self, data):
+        self.testdata = self.testdata + data
+        if len(repr(self.testdata)) >= 70:
+            self.flush()
+
+    def flush(self):
+        data = self.testdata
+        if data:
+            self.testdata = ""
+            print('data:', repr(data))
+
+    def handle_comment(self, data):
+        self.flush()
+        r = repr(data)
+        if len(r) > 68:
+            r = r[:32] + '...' + r[-32:]
+        print('comment:', r)
+
+    def unknown_starttag(self, tag, attrs):
+        self.flush()
+        if not attrs:
+            print('start tag: <' + tag + '>')
+        else:
+            print('start tag: <' + tag, end=' ')
+            for name, value in attrs:
+                print(name + '=' + '"' + value + '"', end=' ')
+            print('>')
+
+    def unknown_endtag(self, tag):
+        self.flush()
+        print('end tag: </' + tag + '>')
+
+    def unknown_entityref(self, ref):
+        self.flush()
+        print('*** unknown entity ref: &' + ref + ';')
+
+    def unknown_charref(self, ref):
+        self.flush()
+        print('*** unknown char ref: &#' + ref + ';')
+
+    def unknown_decl(self, data):
+        self.flush()
+        print('*** unknown decl: [' + data + ']')
+
+    def close(self):
+        SGMLParser.close(self)
+        self.flush()
+
+
+def test(args = None):
+    import sys
+
+    if args is None:
+        args = sys.argv[1:]
+
+    if args and args[0] == '-s':
+        args = args[1:]
+        klass = SGMLParser
+    else:
+        klass = TestSGMLParser
+
+    if args:
+        file = args[0]
+    else:
+        file = 'test.html'
+
+    if file == '-':
+        f = sys.stdin
+    else:
+        try:
+            f = open(file, 'r')
+        except IOError as msg:
+            print(file, ":", msg)
+            sys.exit(1)
+
+    data = f.read()
+    if f is not sys.stdin:
+        f.close()
+
+    x = klass()
+    for c in data:
+        x.feed(c)
+    x.close()
+
+
+if __name__ == '__main__':
+    test()

Milter/test.py

@@ -0,0 +1,247 @@
+## @package Milter.test
+# A test framework for milters
+
+from __future__ import print_function
+import mime
+try:
+  from io import BytesIO
+except:
+  from StringIO import StringIO as BytesIO
+import Milter
+
+Milter.NOREPLY = Milter.CONTINUE
+
+## Test mixin for unit testing %milter applications.
+# This mixin overrides many Milter.MilterBase methods
+# with stub versions that simply record what was done.
+# @deprecated Use Milter.test.TestCtx
+# @since 0.9.8
+class TestBase(object):
+
+  def __init__(self,logfile='test/milter.log'):
+    self._protocol = 0
+    self.logfp = open(logfile,"a")
+    ## The MAIL FROM for the current email being fed to the %milter
+    self._sender = None
+    ## List of recipients deleted
+    self._delrcpt = []
+    ## List of recipients added
+    self._addrcpt = []
+    ## Macros defined
+    self._macros = { }
+    ## The message body.
+    self._body = None
+    ## True if the %milter replaced the message body.
+    self._bodyreplaced = False
+    ## True if the %milter changed any headers.
+    self._headerschanged = False
+    ## True if the %milter changed the envelope from.
+    self._envfromchanged = False
+    ## Reply codes and messages set by the %milter
+    self._reply = None
+    ## The rfc822 message object for the current email being fed to the %milter.
+    self._msg = None
+    ## The protocol stage for macros returned
+    self._stage = None
+    ## The macros returned by protocol stage
+    self._symlist = [ None, None, None, None, None, None, None ]
+
+  def _close(self):
+    if self.logfp:
+      self.logfp.close()
+      self.logfp = None
+
+  def log(self,*msg):
+    for i in msg: print(i,file=self.logfp,end=None)
+    print(file=self.logfp)
+
+  ## Set a macro value.
+  # These are retrieved by the %milter with getsymval.
+  # @param name the macro name, as passed to getsymval
+  # @param val the macro value
+  def setsymval(self,name,val):
+    self._macros[name] = val
+    
+  def getsymval(self,name):
+    stage = self._stage
+    if stage is not None and stage >= 0:
+      syms = self._symlist[stage]
+      if syms is not None and name not in syms:
+        return None
+    return self._macros.get(name,None)
+
+  def replacebody(self,chunk):
+    if self._body:
+      self._body.write(chunk)
+      self._bodyreplaced = True
+    else:
+      raise IOError("replacebody not called from eom()")
+
+  def chgfrom(self,sender,params=None):
+    if not self._body:
+      raise IOError("chgfrom not called from eom()")
+    self.log('chgfrom: sender=%s' % (sender))
+    self._envfromchanged = True
+    self._sender = sender
+
+  # TODO: write implement quarantine()
+  def quarantine(self,reason):
+    raise NotImplemented
+
+  # TODO: measure time between milter calls
+  def progress(self):
+    pass
+
+  # FIXME: rfc822 indexing does not really reflect the way chg/add header
+  # work for a %milter
+  def chgheader(self,field,idx,value):
+    if not self._body:
+      raise IOError("chgheader not called from eom()")
+    self.log('chgheader: %s[%d]=%s' % (field,idx,value))
+    if value == '':
+      del self._msg[field]
+    else:
+      self._msg[field] = value
+    self._headerschanged = True
+
+  def addheader(self,field,value,idx=-1):
+    if not self._body:
+      raise IOError("addheader not called from eom()")
+    self.log('addheader: %s=%s' % (field,value))
+    self._msg[field] = value
+    self._headerschanged = True
+
+  def delrcpt(self,rcpt):
+    if not self._body:
+      raise IOError("delrcpt not called from eom()")
+    self._delrcpt.append(rcpt)
+
+  def addrcpt(self,rcpt):
+    if not self._body:
+      raise IOError("addrcpt not called from eom()")
+    self._addrcpt.append(rcpt)
+
+  ## Save the reply codes and messages in self._reply.
+  def setreply(self,rcode,xcode,*msg):
+    self._reply = (rcode,xcode) + msg
+
+  def setsymlist(self,stage,macros):
+    if not self._actions & Milter.SETSYMLIST:
+      raise DisabledAction("SETSYMLIST")
+    if self._stage != -1:
+      raise RuntimeError("setsymlist may only be called from negotiate")
+    # not used yet, but just for grins we save the data
+    a = []
+    for m in macros:
+      try:
+        m = m.encode('utf8')
+      except: pass
+      try:
+        m = m.split(b' ')
+      except: pass
+      a += m
+    if len(a) > 5:
+      raise ValueError('setsymlist limited to 5 macros by MTA')
+    if self._symlist[stage] is not None:
+      raise ValueError('setsymlist already called for stage:'+stage)
+    print('setsymlist',stage,a)
+    self._symlist[stage] = set(a)
+
+  ## Feed a file like object to the %milter.  Calls envfrom, envrcpt for
+  # each recipient, header for each header field, body for each body 
+  # block, and finally eom.  A return code from the %milter other than
+  # CONTINUE returns immediately with that return code.
+  #
+  # This is a convenience method, a test could invoke the callbacks
+  # in sequence on its own - and for some complex tests, this may
+  # be necessary.
+  # @param fp the file with rfc2822 message stream
+  # @param sender the MAIL FROM
+  # @param rcpt RCPT TO - additional recipients may follow
+  def feedFile(self,fp,sender="spam@adv.com",rcpt="victim@lamb.com",*rcpts):
+    self._body = None
+    self._bodyreplaced = False
+    self._headerschanged = False
+    self._reply = None
+    self._sender = '<%s>'%sender
+    msg = mime.message_from_file(fp)
+    # envfrom
+    self._stage = Milter.M_ENVFROM
+    rc = self.envfrom(self._sender)
+    self._stage = None
+    if rc != Milter.CONTINUE: return rc
+    # envrcpt
+    for rcpt in (rcpt,) + rcpts:
+      self._stage = Milter.M_ENVRCPT
+      rc = self.envrcpt('<%s>'%rcpt)
+      self._stage = None
+      if rc != Milter.CONTINUE: return rc
+    # data
+    self._stage = Milter.M_DATA
+    rc = self.data()
+    self._stage = None
+    if rc != Milter.CONTINUE: return rc
+    # header
+    for h,val in msg.items():
+      rc = self.header_bytes(h,val.encode())
+      if rc != Milter.CONTINUE: return rc
+    # eoh
+    self._stage = Milter.M_EOH
+    rc = self.eoh()
+    self._stage = None
+    if rc != Milter.CONTINUE: return rc
+    # body
+    header,body = msg.as_bytes().split(b'\n\n',1)
+    bfp = BytesIO(body)
+    while 1:
+      buf = bfp.read(8192)
+      if len(buf) == 0: break
+      rc = self.body(buf)
+      if rc != Milter.CONTINUE: return rc
+    self._msg = msg
+    self._body = BytesIO()
+    self._stage = Milter.M_EOM
+    rc = self.eom()
+    self._stage = None
+    if self._bodyreplaced:
+      body = self._body.getvalue()
+    self._body = BytesIO()
+    self._body.write(header)
+    self._body.write(b'\n\n')
+    self._body.write(body)
+    self.close()
+    self._close()
+    return rc
+
+  ## Feed an email contained in a file to the %milter.
+  # This is a convenience method that invokes @link #feedFile feedFile @endlink.
+  # @param sender MAIL FROM
+  # @param rcpts RCPT TO, multiple recipients may be supplied
+  def feedMsg(self,fname,sender="spam@adv.com",*rcpts):
+    with open('test/'+fname,'rb') as fp:
+      return self.feedFile(fp,sender,*rcpts)
+
+  ## Call the connect and helo callbacks.
+  # The helo callback is not called if connect does not return CONTINUE.
+  # @param host the hostname passed to the connect callback
+  # @param helo the hostname passed to the helo callback
+  # @param ip the IP address passed to the connect callback
+  def connect(self,host='localhost',helo='spamrelay',ip='1.2.3.4'):
+    self._body = None
+    self._bodyreplaced = False
+    self._setctx(None)
+    opts = [ Milter.CURR_ACTS,~0,0,0 ]
+    self._stage = -1
+    rc = self.negotiate(opts)
+    self._stage = Milter.M_CONNECT
+    rc =  super(TestBase,self).connect(host,1,(ip,1234)) 
+    if rc != Milter.CONTINUE:
+      self._stage = None
+      self.close()
+      return rc
+    self._stage = Milter.M_HELO
+    rc = self.hello(helo)
+    self._stage = None
+    if rc != Milter.CONTINUE:
+      self.close()
+    return rc

Milter/testctx.py

@@ -0,0 +1,312 @@
+## @package Milter.testctx
+# A test framework for milters that replaces milterContext rather
+# than Milter.Base.  Since miltermodule.c doesn't currently export
+# a way to query callbacks set (and we might want to run without 
+# loading milter), we assume the callbacks set by Milter.runmilter().
+
+from __future__ import print_function
+from socket import AF_INET,AF_INET6
+from sys import version as VERSION
+import time
+import mime
+try:
+  from io import BytesIO
+except:
+  from StringIO import StringIO as BytesIO
+import Milter
+from Milter import utils
+
+## Milter context for unit testing %milter applications.
+# A substitute for milter.milterContext that can be passed to
+# Milter.Base._setctx().
+# @since 1.0.3
+class TestCtx(object):
+  default_opts = [Milter.CURR_ACTS,0x1fffff,0,0]
+  def __init__(self,logfile='test/milter.log'):
+    ## Usually the Milter application derived from Milter.Base
+    self._priv = None
+    ## List of recipients deleted
+    self._delrcpt = []
+    ## List of recipients added
+    self._addrcpt = []
+    ## Macros defined
+    self._macros = { }
+    ## Reply codes and messages set by the %milter
+    self._reply = None
+    ## The macros returned by protocol stage
+    self._symlist = [ None, None, None, None, None, None, None ]
+    ## The message body.
+    self._body = None
+    ## True if the %milter replaced the message body.
+    self._bodyreplaced = False
+    ## True if the %milter changed any headers.
+    self._headerschanged = False
+    ## The rfc822 message object for the current email being fed to the %milter.
+    self._msg = None
+    ## The MAIL FROM for the current email being fed to the %milter
+    self._sender = None
+    ## True if the %milter changed the envelope from.
+    self._envfromchanged = False
+    ## List of recipients added
+    self._addrcpt = []
+    ## Negotiated options
+    self._opts = TestCtx.default_opts
+    ## Last activity
+    self._activity = time.time()
+
+  def getpriv(self):
+    return self._priv
+
+  def setpriv(self,priv):
+    self._priv = priv
+
+  def getsymval(self,name):
+    stage = self._stage
+    if stage >= 0:
+      try:
+        s = name.encode('utf8')
+      except: pass
+      syms = self._symlist[stage]
+      if syms is not None and s not in syms:
+        return None
+    return self._macros.get(name,None)
+
+  def _setsymval(self,name,val):
+    self._macros[name] = val
+
+  def setreply(self,rcode,xcode,*msg):
+    self._reply = (rcode,xcode) + msg
+
+  def setsymlist(self,stage,macros):
+    if self._stage != -1:
+      raise RuntimeError("setsymlist may only be called from negotiate")
+    # Records which macros are available to getsymval()
+    m = macros
+    try:
+      m = m.encode('utf8')
+    except: pass
+    try:
+      m = m.split(b' ')
+    except: pass
+    if len(m) > 5:
+      raise ValueError('setsymlist limited to 5 macros by MTA')
+    if self._symlist[stage] is not None:
+      raise ValueError('setsymlist already called for stage:'+stage)
+    if not m:
+      raise ValueError('setsymlist with empty list for stage:'+stage)
+    self._symlist[stage] = set(m)
+
+  def addheader(self,field,value,idx):
+    if not self._body:
+      raise IOError("addheader not called from eom()")
+    self._msg[field] = value
+    self._headerschanged = True
+
+  def chgheader(self,field,idx,value):
+    if not self._body:
+      raise IOError("chgheader not called from eom()")
+    if value == '':
+      del self._msg[field]
+    else:
+      self._msg[field] = value
+    self._headerschanged = True
+ 
+  def addrcpt(self,rcpt,params):
+    if not self._body:
+      raise IOError("addrcpt not called from eom()")
+    self._addrcpt.append((rcpt,params))
+
+  def delrcpt(self,rcpt):
+    if not self._body:
+      raise IOError("delrcpt not called from eom()")
+    self._delrcpt.append(rcpt)
+
+  def replacebody(self,chunk):
+    if self._body:
+      self._body.write(chunk)
+      self._bodyreplaced = True
+    else:
+      raise IOError("replacebody not called from eom()")
+
+  def chgfrom(self,sender,params=None):
+    if not self._body:
+      raise IOError("chgfrom not called from eom()")
+    self._envfromchanged = True
+    self._sender = sender
+
+  def quarantine(self,reason):
+    raise NotImplemented
+
+  ## Reset activity timer.
+  def progress(self):
+    self._activity = time.time()
+
+  def _abort(self):
+    "What Milter sets for abort_callback"
+    self._priv.abort()
+    self._close()
+
+  def _close(self):
+    Milter.close_callback(self)
+
+  def _negotiate(self):
+    self._body = None
+    self._bodyreplaced = False
+    self._priv = None
+    self._opts = TestCtx.default_opts
+    self._stage = -1
+    rc = Milter.negotiate_callback(self,self._opts)
+    if rc == Milter.ALL_OPTS:
+      self._opts = TestCtx.default_opts
+    elif rc != Milter.CONTINUE:
+      self._abort()
+      self._close()
+    self._protocol = self._opts[1]
+    return rc
+
+  def _connect(self,host='localhost',helo='spamrelay',ip='1.2.3.4'):
+    rc = self._negotiate()
+    # FIXME: what if not CONTINUE or ALL_OPTS?
+    if self._protocol & Milter.P_NOCONNECT:
+      return Milter.CONTINUE
+    if utils.ip4re.match(ip):
+      af = AF_INET
+    elif utils.ip6re.match(ip):
+      af = AF_INET6
+    else:
+      raise ValueError('TestCtx.connect: invalid ip address: '+ip)
+    self._stage = Milter.M_CONNECT
+    rc = Milter.connect_callback(self,host,af,ip)
+    self._stage = None
+    if rc != Milter.CONTINUE:
+      self._close()
+      return rc
+    return self._helo(helo)
+
+  def _helo(self,helo):
+    if self._protocol & Milter.P_NOHELO:
+      return Milter.CONTINUE
+    self._stage = Milter.M_HELO
+    rc = self._priv.hello(helo)
+    self._stage = None
+    if rc != Milter.CONTINUE:
+      self._close()
+    return rc
+
+  def _envfrom(self,*s):
+    self._sender = s[0]
+    if self._protocol & Milter.P_NOMAIL:
+      return Milter.CONTINUE
+    self._stage = Milter.M_ENVFROM
+    rc = self._priv.envfrom(*s)
+    self._stage = None
+    return rc
+
+  def _envrcpt(self,s):
+    if self._protocol & Milter.P_NORCPT:
+      return Milter.CONTINUE
+    self._stage = Milter.M_ENVRCPT
+    rc = self._priv.envrcpt(s)
+    self._stage = None
+    return rc
+
+  def _data(self):
+    if self._protocol & Milter.P_NODATA:
+      return Milter.CONTINUE
+    self._stage = Milter.M_DATA
+    rc = self._priv.data()
+    self._stage = None
+    return rc
+
+  def _header(self,fld,val):
+    if VERSION < '3.0.0':
+      return self._priv.header(fld,val)
+    # email.message_from_binary_file uses surrogateescape to 
+    # preserve original bytes in unicode string for decoding errors.
+    # convert str or Header back to original bytes
+    if hasattr(val, '_chunks'):
+      # val is a Header object for invalid header values 
+      v = b''
+      for s,charset in val._chunks:
+        # recover the original bytes
+        b = s.encode(encoding='ascii',errors='surrogateescape')
+        v += b
+    else:
+      v = val.encode(encoding='ascii',errors='surrogateescape')
+    # invoke the Milter header_callback
+    return self._priv.header_bytes(fld,v)
+
+  def _eoh(self):
+    if self._protocol & Milter.P_NOEOH:
+      return Milter.CONTINUE
+    self._stage = Milter.M_EOH
+    rc = self._priv.eoh()
+    self._stage = None
+    return rc
+
+  def _feed_body(self,bfp):
+    if self._protocol & Milter.P_NOBODY:
+      return Milter.CONTINUE
+    while True:
+      buf = bfp.read(8192)
+      if len(buf) == 0: break
+      rc = self._priv.body(buf)
+      if rc != Milter.CONTINUE: return rc
+    return Milter.CONTINUE
+
+  def _eom(self):
+    self._body = BytesIO()
+    self._stage = Milter.M_EOM
+    rc = self._priv.eom()
+    self._stage = None
+    return rc
+
+  ## Feed a file like object to the ctx.  Calls the callbacks in
+  # the same sequence as libmilter.
+  # @param fp the file with rfc2822 message stream
+  # @param sender the MAIL FROM
+  # @param rcpt RCPT TO - additional recipients may follow
+  def _feedFile(self,fp,sender="spam@adv.com",rcpt="victim@lamb.com",*rcpts):
+    self._body = None
+    self._bodyreplaced = False
+    self._headerschanged = False
+    self._reply = None
+    msg = mime.message_from_file(fp)
+    self._msg = msg
+    # envfrom
+    rc = self._envfrom('<%s>'%sender)
+    if rc != Milter.CONTINUE: return rc
+    # envrcpt
+    for rcpt in (rcpt,) + rcpts:
+      rc = self._envrcpt('<%s>'%rcpt)
+      if rc != Milter.CONTINUE: return rc
+    # data
+    rc = self._data()
+    if rc != Milter.CONTINUE: return rc
+    # header
+    for h,val in msg.items():
+      rc = self._header(h,val)
+      if rc != Milter.CONTINUE: return rc
+    # eoh
+    rc = self._eoh()
+    if rc != Milter.CONTINUE: return rc
+    # body
+    header,body = msg.as_bytes().split(b'\n\n',1)
+    rc = self._feed_body(BytesIO(body))
+    if rc != Milter.CONTINUE: return rc
+    rc = self._eom()
+    if self._bodyreplaced:
+      body = self._body.getvalue()
+    self._body = BytesIO()
+    self._body.write(header)
+    self._body.write(b'\n\n')
+    self._body.write(body)
+    return rc
+
+  ## Feed an email contained in a file to the %milter.
+  # This is a convenience method that invokes @link #feedFile feedFile @endlink.
+  # @param sender MAIL FROM
+  # @param rcpts RCPT TO, multiple recipients may be supplied
+  def _feedMsg(self,fname,sender="spam@adv.com",*rcpts):
+    with open('test/'+fname,'rb') as fp:
+      return self._feedFile(fp,sender,*rcpts)

Milter/utils.py

@@ -1,21 +1,65 @@
+## @package Milter.utils
+# Miscellaneous functions.
+#
+
 import re
 import struct
 import socket
-import email.Errors
+import email.errors
+from email.header import decode_header
+import email.base64mime
+import email.utils
 from fnmatch import fnmatchcase
-from email.Header import decode_header
+from binascii import a2b_base64
 
-ip4re = re.compile(r'^[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*$')
+dnsre = re.compile(r'^[a-z][-a-z\d.]+$', re.IGNORECASE)
+PAT_IP4 = r'\.'.join([r'(?:\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])']*4)
+ip4re = re.compile(PAT_IP4+'$')
+ip6re = re.compile(                 '(?:%(hex4)s:){6}%(ls32)s$'
+                   '|::(?:%(hex4)s:){5}%(ls32)s$'
+                  '|(?:%(hex4)s)?::(?:%(hex4)s:){4}%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,1}%(hex4)s)?::(?:%(hex4)s:){3}%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,2}%(hex4)s)?::(?:%(hex4)s:){2}%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,3}%(hex4)s)?::%(hex4)s:%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,4}%(hex4)s)?::%(ls32)s$'
+    '|(?:(?:%(hex4)s:){0,5}%(hex4)s)?::%(hex4)s$'
+    '|(?:(?:%(hex4)s:){0,6}%(hex4)s)?::$'
+  % {
+    'ls32': r'(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|%s)'%PAT_IP4,
+    'hex4': r'[0-9a-f]{1,4}'
+    }, re.IGNORECASE)
 
 # from spf.py
-def addr2bin(str):
-  "Convert a string IPv4 address into an unsigned integer."
-  return struct.unpack("!L", socket.inet_aton(str))[0]
+def addr2bin(s):
+  """Convert a string IPv4 address into an unsigned integer."""
+  if s.find(':') >= 0:
+    try:
+      return bin2long6(inet_pton(s))
+    except:
+      raise socket.error("Invalid IP6 address: "+s)
+  try:
+    return struct.unpack("!L", socket.inet_aton(s))[0]
+  except socket.error:
+    raise socket.error("Invalid IP4 address: "+s)
 
-MASK = 0xFFFFFFFFL
+def bin2long6(s):
+    """Convert binary IP6 address into an unsigned Python long integer."""
+    h, l = struct.unpack("!QQ", s)
+    return h << 64 | l
 
-def cidr(i,n):
-  return ~(MASK >> n) & MASK & i
+if hasattr(socket,'has_ipv6') and socket.has_ipv6:
+    def inet_ntop(s):
+        return socket.inet_ntop(socket.AF_INET6,s)
+    def inet_pton(s):
+        return socket.inet_pton(socket.AF_INET6,s.strip())
+else:
+    from pyip6 import inet_ntop, inet_pton
+
+MASK = 0xFFFFFFFF
+MASK6 = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
+
+def cidr(i,n,mask=MASK):
+  return ~(mask >> n) & mask & i
 
 def iniplist(ipaddr,iplist):
   """Return whether ip is in cidr list
@@ -25,8 +69,27 @@ def iniplist(ipaddr,iplist):
   True
   >>> iniplist('192.168.0.45',['192.168.0.*'])
   True
+  >>> iniplist('4.2.2.2',['b.resolvers.Level3.net'])
+  True
+  >>> iniplist('2606:2800:220:1::',['example.com/40'])
+  True
+  >>> iniplist('4.2.2.2',['nothing.example.com'])
+  False
+  >>> iniplist('2001:610:779:0:223:6cff:fe9a:9cf3',['127.0.0.1','172.20.1.0/24','2001:610:779::/48'])
+  True
+  >>> iniplist('2G01:610:779:0:223:6cff:fe9a:9cf3',['127.0.0.1','172.20.1.0/24','2001:610:779::/48'])
+  Traceback (most recent call last):
+    ...
+  ValueError: Invalid ip syntax:2G01:610:779:0:223:6cff:fe9a:9cf3
   """
+  if ip4re.match(ipaddr):
+    fam = socket.AF_INET
     ipnum = addr2bin(ipaddr)
+  elif ip6re.match(ipaddr):
+    fam = socket.AF_INET6
+    ipnum = bin2long6(inet_pton(ipaddr))
+  else:
+    raise ValueError('Invalid ip syntax:'+ipaddr)
   for pat in iplist:
     p = pat.split('/',1)
     if ip4re.match(p[0]):
@@ -36,10 +99,75 @@ def iniplist(ipaddr,iplist):
         n = 32
       if cidr(addr2bin(p[0]),n) == cidr(ipnum,n):
         return True
+    elif ip6re.match(p[0]):
+      if len(p) > 1:
+        n = int(p[1])
+      else:
+        n = 128
+      if cidr(bin2long6(inet_pton(p[0])),n,MASK6) == cidr(ipnum,n,MASK6):
+        return True
+    elif dnsre.match(p[0]):
+      try:
+        sfx = '/'.join(['']+p[1:])
+        addrlist = [r[4][0]+sfx for r in socket.getaddrinfo(p[0],25,fam)]
+        if iniplist(ipaddr,addrlist):
+          return True
+      except socket.gaierror: pass
     elif fnmatchcase(ipaddr,pat):
       return True
   return False
 
+## Split email into Fullname and address.
+# This replaces <code>email.utils.parseaddr</code> but fixes
+# some <a href="http://bugs.python.org/issue1025395">tricky test cases</a>.
+# Additional tricky cases are still broken.  Patches welcome.
+#
+def parseaddr(t):
+  """Split email into Fullname and address.
+
+  >>> parseaddr('user@example.com')
+  ('', 'user@example.com')
+  >>> parseaddr('"Full Name" <foo@example.com>')
+  ('Full Name', 'foo@example.com')
+  >>> parseaddr('spam@spammer.com <foo@example.com>')
+  ('spam@spammer.com', 'foo@example.com')
+  >>> parseaddr('God@heaven <@hop1.org,@hop2.net:jeff@spec.org>')
+  ('God@heaven', 'jeff@spec.org')
+  >>> parseaddr('Real Name ((comment)) <addr...@example.com>')
+  ('Real Name (comment)', 'addr...@example.com')
+  """
+  #return email.utils.parseaddr(t)
+  res = email.utils.parseaddr(t)
+  # dirty fix for some broken cases
+  if not res[0]:
+    pos = t.find('<')
+    if pos > 0 and t[-1] == '>':
+      addrspec = t[pos+1:-1]
+      pos1 = addrspec.rfind(':')
+      if pos1 > 0:
+        addrspec = addrspec[pos1+1:]
+      return email.utils.parseaddr('"%s" <%s>' % (t[:pos].strip(),addrspec))
+  if not res[1]:
+    pos = t.find('<')
+    if pos > 0 and t[-1] == '>':
+      addrspec = t[pos+1:-1]
+      pos1 = addrspec.rfind(':')
+      if pos1 > 0:
+        addrspec = addrspec[pos1+1:]
+      return email.utils.parseaddr('%s<%s>' % (t[:pos].strip(),addrspec))
+  return res
+
+## Fix email.base64mime.decode to add any missing padding
+def decode(s, convert_eols=None):
+  if not s: return s
+  while len(s) % 4: s += '='	# add missing padding
+  dec = a2b_base64(s)
+  if convert_eols:
+      return dec.replace(CRLF, convert_eols)
+  return dec
+    
+email.base64mime.decode = decode
+
 def parse_addr(t):
   """Split email into user,domain.
 
@@ -51,13 +179,27 @@ def parse_addr(t):
   ['user@bar', 'example.com']
   >>> parse_addr('foo')
   ['foo']
+  >>> parse_addr('@mx.example.com:user@example.com')
+  ['user', 'example.com']
+  >>> parse_addr('@user@example.com')
+  ['@user', 'example.com']
   """
   if t.startswith('<') and t.endswith('>'): t = t[1:-1]
   if t.startswith('"'):
     if t.endswith('"'): return [t[1:-1]]
     pos = t.find('"@')
     if pos > 0: return [t[1:pos],t[pos+2:]]
-  return t.split('@')
+  if t.startswith('@'):
+    try: t = t.split(':',1)[1]
+    except IndexError: pass
+  return t.rsplit('@',1)
+
+## Decode headers gratuitously encoded to hide the content.
+# Spammers often encode headers to obscure the content from
+# spam filters.  This function decodes gratuitously encoded
+# headers.
+# @param val    the raw header value
+# @return the decoded value or the original raw value
 
 def parse_header(val):
   """Decode headers gratuitously encoded to hide the content.
@@ -69,17 +211,19 @@ def parse_header(val):
     for s,enc in h:
       if enc:
         try:
-	  u.append(unicode(s,enc))
+          u.append(s.decode(enc,'replace'))
         except LookupError:
-	  u.append(unicode(s))
+          u.append(s.decode())
       else:
-	u.append(unicode(s))
+        u.append(s.decode())
     u = ''.join(u)
-    for enc in ('us-ascii','iso-8859-1','utf8'):
+    if type(u) is str: return u
+    for enc in ('us-ascii','iso-8859-1','utf-8'):
       try:
         return u.encode(enc)
       except UnicodeError: continue
   except UnicodeDecodeError: pass
   except LookupError: pass
-  except email.Errors.HeaderParseError: pass
+  except ValueError: pass
+  except email.errors.HeaderParseError: pass
   return val

NEWS

@@ -1,4 +1,6 @@
-Here is a history of user visible changes to Python milter.
+See pymilter.spec for recent history.
+
+Here is a history of older changes to Python milter.
 0.8.8	move AddrCache, parse_addr, iniplist, parse_header to Milter package
 	fix plock for missing source and can't change owner/group
 	add sample spfmilter.py milter

README.md

@@ -1,5 +1,4 @@
-Abstract
---------
+# Abstract
 
 This is a python extension module to enable python scripts to attach to
 Sendmail's libmilter API, enabling filtering of messages as they arrive.
@@ -7,55 +6,34 @@ Since it's a script, you can do anything you want to the message - screen
 out viruses, collect statistics, add or modify headers, etc.  You can, at
 any point, tell Sendmail to reject, discard, or accept the message.
 
+Additional python modules provide for navigating and modifying MIME parts, and
+sending DSNs or doing CBVs.
 
-Requirements
-------------
+# Requirements 
 
-This python milter extension: http://www.bmsi.com/python/milter.html
+Python milter extension: https://pypi.python.org/pypi/pymilter/
 Python: http://www.python.org
 Sendmail: http://www.sendmail.org
-NB: From Sendmail's libmilter/README:
 
-libmilter requires pthread support in the operating system.  Moreover, it
-requires that the library functions it uses are thread safe; which is true
-for the operating systems libmilter has been developed and tested on.  On
-some operating systems this requires special compile time options (e.g.,
-not just -pthread).  libmilter is currently known to work on (modulo
-problems in the pthread support of some specific versions):
+# Quick Installation
 
-FreeBSD 3.x, 4.x
-SunOS 5.x (x >= 5)
-AIX 4.3.x
-HP UX 11.x
-Linux (recent versions/distributions)
-OpenBSD
-AIX 4.1.5
+ 1. Build and install Sendmail, enabling libmilter (see libmilter/README).
+ 2. Build and install Python, enabling threading.
+ 3. Install this module: python setup.py --help
+ 4. Add these two lines to sendmail.cf[a]:
 
-libmilter is currently not supported on:
+ O InputMailFilters=pythonfilter
+ Xpythonfilter,        S=local:/home/username/pythonsock
 
-IRIX 6.x
-Ultrix
-
-Quick Installation
-------------------
-
-1. Build and install Sendmail, enabling libmilter (see libmilter/README).
-2. Build and install Python, enabling threading.
-3. Install this module: python setup.py --help
-4. Add these two lines to sendmail.cf[*]:
-
-O InputMailFilters=pythonfilter
-Xpythonfilter,        S=local:/home/username/pythonsock
-
-5. Run the sample.py example milter with: python sample.py
-Note that milters should almost certainly not run as root.
+ 5. Run the sample.py example milter with: python sample.py
+ Note that milters should almost certainly not run as root.
 
 That's it.  Incoming mail will cause the milter to print some things, and
 some email will be rejected (see the "header" method).  Edit and play.  
 See spfmilter.py for a functional SPF milter, or see bms.py for an complex
 milter used in production.
 
-[*] This is for a quick test.  Your sendmail.cf in most distros will get
+[a] This is for a quick test.  Your sendmail.cf in most distros will get
 overwritten whenever sendmail.mc is updated.  To make a milter permanent,
 add something like:
 
@@ -63,14 +41,12 @@ INPUT_MAIL_FILTER(`pythonfilter', `S=local:/home/username/pythonsock, F=T, T=C:5
 
 to sendmail.mc instead.
 
-Not-so-quick Installation
--------------------------
+# Not-so-quick Installation
 
 First install Sendmail.  Make sure you read libmilter/README in the Sendmail
 source directory, and make sure you enable libmilter before you build.  The
 8.11 series had libmilter marked as FFR (For Future Release); 8.12
-officially
-supports libmilter, but it's still not built by default.
+officially supports libmilter, but it's still not built by default.
 
 Install Python, and enable threading in Modules/Setup.
 
@@ -111,32 +87,7 @@ _FFR_MILTER for the cf macros.  For example,
 
 m4 -D_FFR_MILTER ../m4/cf.m4 myconfig.mc > myconfig.cf
 
-
-RedHat 6.2 Notes
-----------------
-
-The Redhat 6.2 sendmail RPM does not enable milter.  You can obtain a
-modified spec file at
-
-http://www.bmsi.com/linux/rh62/sendmail-rhmilter.spec
-
-use it to rebuild the Redhat 7.2 SRPM.  The RH6.2 SRPM does not have
-recent sendmail security patches.
-
-RedHat 7.2 Notes
-----------------
-
-The Redhat 7.2 sendmail RPM enables milter in sendmail - but does not include
-the headers needed for compiling a milter.  You can obtain a modified spec
-file with a sendmail-devel package that includes the needed static libraries
-and headers at
-
-http://www.bmsi.com/linux/sendmail-rh72.spec
-
-IPv6 Notes
-----------
-
-IPv6 is still experimental.
+# IPv6 Notes
 
 The IPv6 protocol is supported if your operation system supports it
 and if sendmail was compiled with IPv6 support.  To determine if your
@@ -191,11 +142,10 @@ be determined the hostname will appear similar to the string
 RFC 2553 for information on interpreting and using the flowinfo and
 scopeid socket attributes, both of which are integers.
 
-Authors
--------
+# Authors
 
 Jim Niemira (urmane@urmane.org) wrote the original C module and some quick
-and dirty python to use it.  Stuart D. Gathman (stuart@bmsi.com) took that
+and dirty python to use it.  Stuart D. Gathman (stuart@gathman.org) took that
 kludge and added threading and context objects to it, wrote a proper OO
 wrapper (Milter.py) that handles attachments, did lots of testing, packaged
 it with distutils, and generally transformed it from a quick hack to a

TODO

@@ -1,226 +1,4 @@
-Don't match dynamic ptr in bestguess.
-
-When content filtering is not installed, reject BLACKLISTed MFROM
-immediately.  There is no use waiting until EOM.
-
-Configuration is problematic when handling incoming, but not outgoing mail.
-The problem comes when alice@example.com sends mail to bill@example.com,
-and we are the MX for example.com, but alice is sending from some other
-MTA.  The mail is flagged external, so we don't list example.com in
-internal_domains (or we would get "spam from self").  But, if we try to do a
-CBV, we get "fraudulent MX", because the MX is ourself!  So we need to 
-avoid doing CBV on such domains.  Currently, we try to make sure the SPF
-policies don't do CBV.
-
-We now don't check internal domains for incoming mail if there is an
-SPF record.
-
-On the other hand, if alice is sending internally, or with SMTP AUTH, she
-*does* need the domain to be in internal_domains.  The solution to that 
-is to use the new SMTP AUTH access configuration to specify which domains
-can be used by smtp AUTH (by user if desired).
-
-It would be cleaner if CBV would know which domains we have agreed to
-be MX for. Some ideas for external connections:
-
-a) check access file for To:example.com	RELAY
-b) check mailertable
-c) check mx_domains config list
-d) if there is an SPF record, don't check internal_domains
-   (let SPF block unauthorized machines)
-
-But that still doesn't handle the roaming user, who won't use SMTP
-AUTH, but sends through some hotel MTA.  Maybe we don't want to support
-him?
-
-When setting up pydspam, both sender and rcpt must resolve to dspam users
-for falsepositive recognition.  Usually, this means adding 
-honeypot@mail.example.com to alias list for honeypot in pymilter.cfg.
-This needs to be documented.  I was caught by it setting up a new site.
-
-Add signature (x-sig=AB7485f=TS) to Received-SPF, so it can be used
-to blacklist sources of delayed DSNs.
-
-rcpt-addr may let us know when a recipient is unknown.  That should count
-against reputation.
-
-Need to use wildcards in blacklist.log: *.madcowsrecord.net
-Need to exclude emails like !*-admin@example.com in whitelist_sender.
-Need to exclude robot users from autowhitelist.  Don't want to have to
-list all users, so implement something like !*-admin@bmsi.com,@bmsi.com.
-
-GOSSiP feedback from user training is ignored because UMIS has already been
-removed from queue.  Maybe keep UMIS in queue, and add method to 
-alter last feedback for ID.
-
-Generate DSNs according to RFC 3464
-
-Get temperror policy from access file.
-
-Reporting explanation for failure should show source if sender
-provided explanation.
-
-Bug in Auto-whitelist.  Recent Auto-whitelist doesn't override expired entry.
-
-SPF permerror diagnostics should include corrected mechanism.
-
-Delay SPF check until RCPT TO.  Cache result to avoid repeating
-for multiple RCPT.  This avoids overhead for invalid RCPT, and
-allows for per RCPT local policy.
-
-Check SPF for outgoing mail (including local policy for internal addresses).
-This could also solve the second part of the mail from relay problem below.
-
-Whitelisted senders from trusted relay get PROBATION.  Need to extracted
-SPF result from headers - and in the case of mail internal to relay
-(e.g. bmsi.com), supply 'pass' result.  
-
-For selected domains, check rcpts via CBV before accepting mail.  Cache
-results.  This will kick out dictonary attacks against a mail domain
-behind a gateway sooner.
-
-Add auto-blacklisted senders to blacklist.log with timestamp.
-Add emails blacklisted via CBV so that they are remembered across milter
-restarts.
-
-Make all dictionaries work like honeypot.  Do not train as ham unless
-whitelisted.  Train on blacklisted messages, or spam feedback.  This
-can be called Train On Error.  Should be possible to startup
-with training on everything to get dictionary built fast, then switch
-to train on error to minimize labor.
-
-Allow unsigned DSNs from selected domains (that don't accept signed MFROM,
-e.g. verizon.net).
-
-Allow verified hostnames for trusted_relay.  E.g. HELO name that
-passes SPF.
-
-Table of sendmail macros for documentation.
-
-When do we get two hello calls?  STARTTLS is one reason.
-
-Option: accept mail from auto-whitelisted senders even with spf-fail,
-but do not update dspam.  This can be done for individual senders or domains 
-using the access file.
-
-pysrs: SRS doesn't get applied to proper recipients when there are
-multiple recipients.  This requires debugging cf scripts - yuk.
-
-auto_whitelist false_positives from quarantine - perhaps only when
-user selects special button (use special header to communicate
-that from dspamcgi.py to milter.)
-
-Use send_dsn.log for blacklist also.  AddrCache needs localpart
-wildcard (e.g. empty localpart).
-
-Quarantined mail is missing headers modified/added by milter after
-checking dspam.
-
-Send DSN for permerror before processing extended result.  An additional
-DSN may be sent based on extended result.  Send permerror DSN to
-postmaster@sending_domain.
-
-Rescind whitelist for banned extensions, in case sender is infected.
-
-Train honeypot on error only.
-
-Find rfc2822 policy for MFROM quoting.
-
-Support explicit errors for SPF policy in access file:
-SPF-Neutral:aol.com	ERROR:"550 AOL mail must get SPF PASS"
-
-Defer TEMPERROR in SPF evaluation - give precedence to security
-(only defer for PASS mechanisms).
-
-Create null config that does nothing - except maybe add Received-SPF
-headers.  Many admins would like to turn features on one at a time.
-
-Can't output messages with malformed rfc822 attachments.
-
-Move milter,Milter,mime,spf modules to pymilter
-milter package will have bms.py application
-
-Web admin interface
-message log for automated stats and blacklisting
-Skip dspam when SPF pass? NO
-Report 551 with rcpt on SPF fail?
-check spam keywords with character classes, e.g.
-	{a}=[a@ãä], {i}=[i1í], {e}=[eë], {o}=[o0ö]
-
-Implement RRS - a backdoor for non-SRS forwarders.  User lists non-SRS 
-forwarder accounts, and a util provides a special local alias for the
-user to give to the forwarder.  (Or user just adds arbitrary alias
-unique to that forwarder to a database.)  Alias only works for mail from that
-forwarder.  Milter gets forwarder domain from alias and uses it to
-SPF check forwarder.
-
-Framework for modular Python milter components within a single VM.
-Python milters can be already be composed through sendmail by running each in
-a separate process.  However, a significant amount of memory is wasted
-for each additional Python VM, and communication between milters
-is cumbersome (e.g., adding mail headers, writing external files).
-
-Copy incoming wiretap mail, even though sendmail alias works perfectly
-for the purpose, to avoid having to change two configs for a wiretap.
-
-Provide a way to reload milter.cfg without stopping/restarting milter.
-
-Allow selected Windows extensions for specific domains via milter.cfg
-
-Fix setup.py so that _FFR_QUARANTINE is automatically defined when
-available in libmilter.
-
-Keep separate ismodified flag for headers and body.  This is important
-when rejecting outgoing mail with viruses removed (so as not to
-embarrass yourself), and also removing Received headers with hidepath.
-
-Need a test module to feed sample messages to a milter though a live 
-sendmail and SMTP.  The mockup currently used is probably not very accurate,
-and doesn't test the threading code.
-
-DONE Require signed MFROM for all incoming bounces when signing all outgoing
-mail - except from trusted relays.
-
-DONE Added Message-ID header to DSN with SRS signed sender.  When seen on
-incoming rfc ignorant failure message, blacklist sender.
-
-DONE Option to add Received-SPF header, but never reject on SPF.
-  I think the above will handle this.
-
-DONE Received-SPF header field should show identity that was checked.
-
-DONE When training with spam, REJECT after data so that mistakenly blacklisted
-senders at least get an error.
-
-DONE Milter won't start when it can't change permissions on *.lock to match
-*.log.  Should maybe ignore that error - the effect will be to set
-the permissions to default.
-
-DONE Milter won't start when a whitelist/blacklist file is missing.
-
-DONE Delayed failure detection should parse From header to find email address.
-
-DONE When bms.py can't find templates, it passes None to dsn.create_msg(),
-which uses local variable as backup, which no longer exist.  Do plain
-CBV in that case instead.
-
-DONE Find and use X-GOSSiP: header for SPAM: and FP: submissions.  Would need
-to keep tags longer.
-
-DONE Parse incoming 3464 DSNs for "Action: failed" to recognize delayed
-failures.  This works regardless of Subject.
-
-DONE Reports PROBATION even when rejecting message (works, but confusing in
-log).
-
-DONE Delayed_failure detection needs to handle multi-line header fields.  
-Also, delayed_failure should be recognized when addressed to
-postmaster@helodomain 
-
-DONE DSN for Permerror shows 'None' for error under some condition.
-
-DONE Allow blacklisted emails as well as domains in blacklist.log.  Use same
-data structure as autowhitelist.log.  
-
-DONE Backup copies for outgoing/incoming mail.
+Test case for Milter/dsn.py
 
+Lookup exact RFC syntax of real name / email and make 
+Milter.utils.parse_addr() pass all unit tests.

doc/changes.ht

@@ -1,181 +0,0 @@
-Title: Recent Changes
-
-<h2> Recent Changes </h2>
-
-<h3> 0.8.7 </h3>
-
-The spf module has been moved to the 
-<a href="http://cheeseshop.python.org/pypi/pyspf">pyspf</a> package.
-Download <a href="http://sourceforge.net/project/showfiles.php?group_id=139894&package_id=191419">here</a>.
-
-<h3> 0.8.6 </h3>
-
-Python milter has been moved to 
-<a href="http://sourceforge.net/projects/pymilter/">pymilter Sourceforge
-project</a> for development and release downloads.
-
-<h3> 0.8.5 </h3>
-
-Release 0.8.5 fixes some build bugs reported by Stephen Figgins.  It
-fixes many small things, like not auto-whitelisting recipients of
-outgoing mail when the subject contains "autoreply:".  There is a 
-simple trusted forwarder implementation.  If you have more than
-2 or so forwarders, we will need a way to "compile" SPF records into an
-IP set and TTL for it to be efficient (like libspf2 does).
-
-<h3> GOSSiP </h3>
-An alpha release of <a href="pygossip.html">pygossip</a> has been commited to
-CVS, module pygossip. A version of the bms.py milter has been commited to CVS
-which supports calling GOSSiP to track domain reputation in a local database.
-
-<h3> New website design </h3>
-
-Hey, I'm no artist, so I just used the
-<a href="http://ht2html.sourceforge.net/">ht2html</a> package
-by <a href="http://barry.wooz.org/">Barry Warsaw</a>.  The mascot
-is by <a href="http://alphard.ethz.ch/hafner/lebl.htm">Christian Hafner</a>,
-or maybe his wife.  I chose Maxwell's daemon because it tirelessly
-and invisibly sorts molecules, just as milters sort mail.
-Christian has also provided a fun 
-<a href="http://alphard.ethz.ch/hafner/PPS/PPS2002/Maxwell/simulation.htm">
-simulation</a> that lets you try your hand at sorting molecules.
-
-<h3> 0.8.4 </h3>
-
-Release 0.8.4 makes configuring SPF policy via access.db actually work.
-The honeypot idea is enhanced by auto-whitelisting recipients of
-email sent from selected domains.  Whitelisted messages are then used
-to train the honeypot.  This makes the honeypot screener entirely self
-training.  The smfi_progress() API is now automatically supported when present.
-An optional idx parameter to milter.addheader() invokes smfi_insheader().
-
-<h3> 0.8.3 </h3>
-
-Release 0.8.3 uses the standard logging module, and supports configuring
-more detailed SPF policy via the sendmail access map.  SMTP AUTH connections
-are considered INTERNAL.  Preventing forgery between internal domains is
-just a matter of specifying the user-domain map - I'll define something
-for the next version.  We now send DSNs when mail is quarantined (rejecting
-if DSN fails) and for SPF syntax errors (PermError).  There is an
-experimental option to add a Sender header when it is missing and the From
-domain doesn't match the MAIL FROM domain.  Next release, we may start
-renaming and replacing an existing Sender header when neither it nor the
-From domain matches MAIL FROM.  Since bogus MAIL FROMs are rejected
-(to varying degrees depending on the configured SPF policy), and
-both Sender and From and displayed by default in many email clients,
-this provides some phishing protection without rejecting mail based
-on headers.
-
-<h3> 0.8.2 </h3>
-
-Release 0.8.2 has changes to <a href="http://openspf.net">SPF</a> to bring it
-in line with the newly official RFC.  It adds 
-<a href="http://ses.codeshare.ca/">SES</a>
-support (the original SES without body hash) for pysrs-0.30.10, and honeypot
-support for pydspam-1.1.9.  There is a new method in the base milter module.
-milter.set_exception_policy(i) lets you choose a policy of CONTINUE, REJECT, or
-TEMPFAIL (default) for untrapped exceptions encountered in a milter callback.
-
-<h3> 0.8.0 </h3>
-
-Release 0.8.0 is the first <a href="http://sourceforge.net/">Sourceforge</a>
-release.  It supports Python-2.4, and provides an option to accept mail
-that gets an SPF softfail or fails the 3 strikes rule, provided the
-alleged sender accepts a DSN explaining the problem.  Python-2.3 is
-no longer supported by the reworked mime.py module, although API changes
-could be backported.  There are too many incompatible changes to the
-python email package.
-
-<h3> Older Releases </h3>
-
-Release 0.7.2 tightens the authentication screws with a "3 strikes and
-you're out" policy.  A sender must have a valid PTR, HELO, or SPF record
-to send email.  Specific senders can be whitelisted using the
-"delegate" option in the spf configuration section by adding a
-default SPF record for them.  The PTR and HELO are required
-by RFC anyway, so this is not an unreasonable requirement.
-There is now a coherent policy for an SPF softfail result.  A softfail
-is accepted if there is a valid PTR or HELO, or if the domain
-is listed in the "accept_softfail" option of the spf configuration section.
-A neutral result is accepted by default if there is a valid PTR or
-HELO, (and the SPF record was not guessed), unless the domain is listed in the
-"reject_neutral" option.  Common forms of PTR records for dynamic IPs are
-recognized, and do not count as a valid PTR.  This does not prevent anyone
-from sending mail from a dynamic IP - they just need to configure a
-valid HELO name or publish an SPF record.
-<p>
-As SPF adoption continues to rise, forged spam is not getting through.  So
-spammers are publishing their SPF records as predicted.  The 0.7.2 RPM
-now provides the <code>rhsbl</code> sendmail hack so that spammer domains
-can be blacklisted.  With the RPM installed, add a line like the following
-to your <code>sendmail.mc</code>.
-<pre>
-HACK(rhsbl,`blackholes.example.com',"550 Rejected: " $&{RHS} " has been spamming our customers.")dnl
-</pre>
-<p>
-Of course, spammers are now starting to register
-throwaway domains.  The next thing we need is a custom DNS server,
-in Python, that
-can recognize patterns.  For instance, one spammer registers ded304.com,
-ded305.com, ded306.com, etc.  We also need the custom DNS server to
-let SPF classic clients check SES (which will be part of pysrs).  
-The <a href="http://twistedmatrix.com/products/twisted">Twisted Python</a>
-framework provides a custom DNS server - but I
-would like a smaller implementation for our use.
-<p>
-The RPM for release 0.7.0 moves the config file and socket locations to
-/etc/mail and /var/run/milter respectively.  We now parse Microsoft CID records
-- but only hotmail.com uses them.  They seem to have applied for a patent on
-the brilliant idea of examining the mail headers to see who the message is
-from.  We aren't doing that here, so not to worry - but I am not a lawyer, so
-if you are worried, change spf.py around line 626 to return None instead of
-calling CIDParser().  There is a new option to reject mail with no PTR
-and no SPF.
-<p>
-Microsoft is pushing an anti-opensource license for their pending patent
-along with their sender-ID proposal before the IETF.
-It is royalty free - but requires anyone distributing a binary they've
-compiled from source to sign a license agreement.  The Apache Software
-Foundation <a
-href="http://www.apache.org/foundation/docs/sender-id-position.html"> explains
-the problem with sender-ID</a>, and Debian <a
-href="http://www.debian.org/News/2004/20040904">concurs</a>.  Since 
-the <a href="http://download.microsoft.com/download/4/3/9/439b024b-09fd-44ee-8ff0-10e834004c36/senderid_FAQ.PDF">Microsoft license</a> is
-<a href="http://www.circleid.com/article/732_0_1_0_C/">incompatible with free
-software in general</a> and the <a
-href="http://www.imc.org/ietf-mxcomp/mail-archive/msg03678.html">GPL in
-particular</a>, Python milter will not be able to implement sender-ID in its
-current form.  This was, no doubt, Microsoft's intent all along.
-<p>
-Sender-ID attempts to do for RFC2822 headers what SPF does for RFC2821 headers.
-Unlike SPF, it has never been tried, and is encumbered by a stupid patent.  I
-recommend ignoring it and continuing to implement and improve SPF until a
-working and unencumbered proposal for RFC2822 headers surfaces.
-
-<p>
-<a href="http://openspf.com">
-<img src="SPF.gif" align=left alt="SPF logo"></a>
-Release 0.6.6 adds support for <a href="http://openspf.com/">SPF</a>,
-a protocol to prevent forging of the envelope from address.  
-SPF support requires <a href="http://pydns.sourceforge.net/">pydns</a>.
-The included spf.py module is an updated version of the original 1.6
-version at <a href="http://www.wayforward.net/spf/">wayforward.net</a>.
-The updated version tracks the draft RFC and test suite.
-<p>
-The FAQ addresses <a href="faq.html#spf">how to get started with SPF</a>.
-<p>
-Release 0.6.1 adds a full milter based dspam application.
-<p>
-I have selected the <a href="http://www.nuclearelephant.com/projects/dspam/">
-dspam bayes filter project</a> and <a href="dspam.html">
-packaged it for python</a>.
-Release 0.6.0 offers a simple application of dspam I call "header triage",
-which rejects messages with spammy headers.  
-To use header triage, you must have <a href="dspam.html">DSPAM</a> installed,
-and select a dictionary that is well moderated by someone who gets
-lots of spam.  That dictionary can be used to block spam that is 
-obvious from the headers (e.g. X-Mailer and Subject) before it ties
-up any more resources.  I have yet to see any false positives from this
-approach (check the milter log), but if there are, the sender will
-get a REJECT with the message "Your message looks spammy."
-

doc/credits.ht

@@ -1,55 +0,0 @@
-Title: Credits
-
-<h1> CREDITS </h1>
-
-<a href="mailto:Jim Niemira <urmane@urmane.org>">Jim Niemira</a>
-wrote the original C module and some quick
-and dirty python to use it.  
-<a href="mailto:Stuart Gathman <stuart@bmsi.com>">Stuart D. Gathman</a>
-took that kludge and added threading and context objects to it, wrote a proper
-OO wrapper (Milter.py) that handles attachments, did lots of testing, packaged
-it with distutils, and generally transformed it from a quick hack to a
-real, usable Python extension.
-
-<h2>Other contributors (in random order):</h2>
-
-<dl>
-<dt> <a href="http://alphard.ethz.ch/hafner/lebl.htm">Christian Hafner</a>
-  <dd>for the pymilter mascot image of 
-  <a href="http://maxwelld.netfirms.com/">
-  Maxwell's daemon</a>
-<dt>Stephen Figgins
-  <dd>for reporting problems building with sendmail-8.12, and when
-  building milter.so for the first time.
-<dt>Dave MacQuigg 
-  <dd>for noticing that smfi_insheader wasn't supported, and creating
-  a template to help first time pymilter users create their own milter.
-<dt>Terence Way
-  <dd>for providing a Python port of SPF
-<dt>Scott Kitterman
-  <dd>for doing lots of testing and debugging of SPF against draft standard,
-  and for putting up a <a href="http://www.kitterman.com/spf/validate.html">
-  web page that validates SPF</a> records using spf.py
-<dt>Alexander Kourakos
-  <dd>for plugging several memory leaks
-<dt>George Graf at Vienna University of Economics and Business Administration
-  <dd>for handling None passed to setreply and chgheader.
-<dt>Deron Meranda
-  <dd>for IPv6 patches
-<dt>Jason Erikson
-  <dd>for handling NULL hostaddr in connect callback.
-<dt>John Draper
-  <dd>for porting Python milter to OpenBSD, and starting to work on tutorials
-  then pointing out that it would be easier to just write the MTA in Python.
-<dt>Eric S. Johansson
-  <dd>for helpful design discussions while working on camram
-<dt>Alex Savguira
-  <dd>for finding bugs with international headers and
-  suggesting the scan_zip option.
-<dt><a href="http://www.bmsi.com">Business Management Systems</a>
-  <dd>for hosting the website, and providing paying clients who need milter
-  service so I can work on it as part of my day job.
-</dl>
-
-If I have left anybody out, send me a reminder: 
-<a href="mailto:Stuart Gathman <stuart@bmsi.com>">stuart@bmsi.com</a>

doc/faq.ht

@@ -1,293 +0,0 @@
-Title: Python Milter FAQ
-
-<h1> Python Milter <a name=faq>FAQ</a> </h1>
-
-<menu>
-<li> <a href="#compiling">Compiling Python Milter</a>
-<li> <a href="#running">Running Python Milter</a>
-<li> <a href="#spf">Using SPF</a>
-<li> <a href="#srs">Using SRS</a>
-</menu>
-
-<ol>
-
-<h3> <a name="compiling">Compiling Python Milter </a> </h3>
-
-<li> Q. I have tried to download the current milter code and my virus scan
-traps several viruses in the download.
-<p>  A. The milter source includes a number of deactivated viruses in
-the test directory.  All but the first and last lines of the base64
-encoded virus data has been removed.  I suppose I should randomize
-the first and last lines as well, since pymilter just deletes executables,
-and doesn't look for signatures.
-<li> Q. I have installed sendmail from source, but Python milter won't
-compile.
-<p>  A. Even though libmilter is officially supported in sendmail-8.12, 
-you need to build and install it in separate steps.  Take a look
-at the <a href="/aix/sendmail12.spec">RPM spec file</a> for sendmail-8.12.  
-The %prep section shows you how to create
-a site.config.m4 that enables MILTER.  The %build section shows you how
-to build libmilter in a separate invocation of make.  The %install section
-shows you how to install libmilter with a separate invocation of make.
-<p>
-
-<li> Q. Why is mfapi.h not found when I try to compile Python milter on
-RedHat 7.2?
-<p>  A. RedHat forgot to include the header in the RPM.  See the
-<a href="requirements.html#rh72">RedHat 7.2 requirements</a>.
-<p>
-<li> Q. Python milter compiles ok, but I get an error like this when
-	I try to import the milter module:
-<pre>
-ImportError: /usr/lib/python2.4/site-packages/milter.so: undefined symbol: smfi_setmlreply
-</pre>
-<p>  A. Your libmilter.a is from sendmail-8.12 or earlier.  You need
-	sendmail-8.13 or later to support setmlreply.  You can disable
-	setmlreply by changing setup.py.  Change:
-<pre>
-            define_macros = [ ('MAX_ML_REPLY',32) ]
-</pre>
-in setup.py to
-<pre>
-            define_macros = [ ('MAX_ML_REPLY',1) ]
-</pre>
-
-<h3> <a name="running">Running Python Milter </a></h3>
-
-<li> Q. The sample.py milter prints a message, then just sits there.
-<pre>
-To use this with sendmail, add the following to sendmail.cf:
-
-O InputMailFilters=pythonfilter
-Xpythonfilter,        S=local:inet:1030@localhost
-
-See the sendmail README for libmilter.
-sample  milter startup
-</pre>
-<p>  A. You need to tell sendmail to connect to your milter.  The
-sample milter tells you what to add to your sendmail.cf to tell
-sendmail to use the milter.  You can also add an INPUT_MAIL_FILTER
-macro to your sendmail.mc file and rebuild sendmail.cf - see the sendmail
-README for milters.
-<p>
-
-<li> Q. I've configured sendmail properly, but still nothing happens
-when I send myself mail!
-<p>  A. Sendmail only milters SMTP mail.  Local mail is not miltered.
-You can pipe a raw message through sendmail to test your milter:
-<pre>
-$ cat rawtextmsg | sendmail myname@my.full.domain
-</pre>
-Now check your milter log.
-<p>
-
-<li> Q. Why do I get this ImportError exception?
-<pre>
-File "mime.py", line 370, in ?
-    from sgmllib import declstringlit, declname
-    ImportError: cannot import name declstringlit
-</pre>
-<p>  A. <code>declstringlit</code> is not provided by sgmllib in all versions
-of python.  For instance, python-2.2 does not have it.  Upgrade to
-milter-0.4.5 or later to remove this dependency.
-<p>
-
-<li> Q. Why do I get <code>milter.error: cannot add recipient</code>?
-<pre>
-</pre>
-<p>  A. You must tell libmilter how you might mutate the message with
-<code>set_flags()</code> before calling <code>runmilter()</code>.  For
-instance, <code>Milter.set_flags(Milter.ADDRCPT)</code>.  You must add together
-all of <code>ADDHDRS, CHGBODY, ADDRCPT, DELRCPT, CHGHDRS</code> that apply.
-<p> NOTE - recent versions default flags to enabling all features.  You
-must now call <code>set_flags()</code> if you wish to disable features for
-efficiency.
-<p>
-
-<li> Q. Why does sendmail sometimes print something like:
-"...write(D) returned -1, expected 5: Broken pipe"
-in the sendmail log?
-<p>  A. Libmilter expects "rcpt to" shortly after getting "mail from".
-"Shortly" is defined by the timeout parameter you passed to
-<code>Milter.runmilter()
-</code> or <code>milter.settimeout()</code>.  If the timeout is 10 seconds,
-and looking up the first recipient in DNS takes more than
-10 seconds, libmilter will give up and break the connection.  
-<code>Milter.runmilter()</code> defaulted to 10 seconds in 0.3.4.  In 0.3.5
-it will keep the libmilter default of 2 hours.
-<p>
-
-<li> Q. Why does milter block messages with big5 encoding?  What if I
-want to receive them?
-<p>  A. sample.py is a sample.  It is supposed to be easily modified
-for your specific needs.  We will of course continue to move generic
-code out of the sample as the project evolves.  Think of sample.py as
-an active config file.
-<p>
-If you are running bms.py, then the block_chinese option in 
-<code>/etc/mail/pymilter.cfg</code> controls this feature.
-<p>
-
-<li> Q. Why does sendmail coredump with milters on OpenBSD?
-<p>  A. Sendmail has a problem with unix sockets on old versions of OpenBSD.
-OpenBSD users report that this problem has been fixed, so upgrading
-OpenBSD will fix this.  Otherwise, you can
-use an internet domain socket instead.  For example, in
-<code>sendmail.cf</code> use
-<pre>
-Xpythonfilter, S=inet:1234@localhost
-</pre>
-and change sample.py accordingly.
-<p>
-
-<li> Q. How can I change the bounce message for an invalid recipient?
-I can only change the recipient in the eom callback, but the eom callback
-is never called when the recipient is invalid!
-<p>  A. Configure sendmail to use virtusertable, and send all unknown
-addresses to /dev/null.  For example,
-<h4>/etc/mail/virtusertable</h4>
-<pre>
-@mycorp.com	dev-null
-dan@mycorp.com	dan
-sally@mycorp.com	sally
-</pre>
-<h4>/etc/aliases</h4>
-<pre>
-dev-null:	/dev/null
-</pre>
-Now your milter will get to the eom callback, and can change the
-envelope recipient at will.  Thanks to Dredd at 
-<a href=http://www.milter.org/>milter.org</a> for this solution.
-<p>
-
-<li> Q. I am having trouble with the setreply method.  It always outputs
-	"milter.error: cannot set reply".
-<p>  A. Check the sendmail log for errors.  If sendmail is getting
-milter timeouts, then your milter is taking too long and sendmail gave
-up waiting.  You can adjust the timeouts in your sendmail config.  Here
-is a milter declaration for sendmail.cf with all timeouts specified:
-<pre>
-Xpythonfilter, S=local:/var/log/milter/pythonsock, F=T, T=C:5m;S:20s;R:60s;E:5m
-</pre>
-<li> Q. There is a Python traceback in the log file!  What happened to
-	my email?
-<p>  A. By default, when the milter fails with an untrapped exception, a
-TEMPFAIL result (451) is returned to the sender.  The sender will then retry
-every hour or so for several days.  Hopefully, someone will notice the 
-traceback, and workaround or fix the problem.  Beginning with milter-0.8.2,
-you can call <code>milter.set_exception_policy(milter.CONTINUE)</code>
-to cause an untrapped exception to continue processing with the
-next callback or milter instead.  For
-completeness, you can also set the exception policy to
-<code>milter.REJECT</code>.
-
-<li> Q. I read some notes such as "Check valid domains allowed by internal
-	senders to detect PCs infected with spam trojans." but could not
-	understand the idea. Could you clarify the content ?
-
-<p>  A. The <code>internal_domains</code> configuration specifies which
-MAIL FROM domains are used by internal connections.  If an internal
-PC tries to use some other domain, it is assumed to be a "Zombie".
-<p>
-Here is a sample log line:
-<pre>
-2005Jun22 12:01:04 [12430] REJECT: zombie PC at  192.168.100.171  sending MAIL FROM  debby@fedex.com
-</pre>
-No, fedex.com does not use pymilter, and there is no one named debby at my
-client.  But the idiot using the PC at 192.168.100.171 has downloaded and
-installed some stupid weatherbar/hotbar/aquariumscreensaver that is actually a
-spam bot.
-<p>
-The <code>internal_domains</code> option is simplistic, it assumes all
-valid senders of the domains are internal.  SPF provides a much more general
-check of IP and MAIL FROM for external email.  Pymilter should soon
-have a local policy feature for more general checking of internal mail.
-<li> Q. <code>mail_archive</code> isn't working.  Or I don't understand how
-	it's suppose to work.  I have
-	<code>mail_archive = /var/mail/mail_archive</code>
-	in <code>pymilter.cfg</code> but nothing ever gets dumped into
-	<code>/var/mail/mail_archive</code>.
-<p>  A. The 'mail' user needs to have write access.  Permission failures
-	should be logged as a traceback in milter.log if it doesn't.
-
-<h3> <a name="spf">Using SPF </a></h3>
-
-<li> Q. So how do I use the SPF support?  The sample.py milter doesn't seem
-        to use it.
-<p>  A. The bms.py milter supports spf.  The RedHat RPMs will set almost
-everything up for you.  For other systems:
-<ol type=i>
-<li> Arrange to run bms.py in the background (as a service perhaps) and
-     redirect output and errors to a logfile.  For instance, on AIX you'll want
-     to use SRC (System Resource Controller).  
-<li> Copy pymilter.cfg to the /etc/mail or the directory you run bms.py in,
-     and edit it.  The comments should explain the options. 
-<li> Start bms.py in the background as arranged.
-<li> Add Xpythonfilter to sendmail.cf or add an INPUT_MAIL_FILTER to
-     sendmail.mc.  Regen sendmail.cf if you use sendmail.mc and restart 
-     sendmail.
-<li> Arrange to rotate log files and remove old defang files in 
-     <code>tempdir</code>.  The RedHat RPM uses <code>logrotate</code> for
-     logfiles and a simple cron script using <code>find</code> to clean
-     <code>tempdir</code>.
-</ol>
-	In CVS, there is <code>spfmilter.py</code>.  Run that as a service,
-	and it does just SPF.  It uses the sendmail <code>access</code>
-	file to configure SPF responses just like <code>bms.py</code>, but
-	supports only REJECT and OK.
-<li> Q. The SPF DSN is sent at least once for domains that don't publish a SPF.
-	How do I stop this behavior?
-<p>  A. The SPF response is controlled by <code>/etc/mail/access</code>
-	(actually the file you specify with <code>access_file</code> in
-	the <code>[spf]</code> section of <code>pymilter.cfg</code>).  
-	Responses are OK, CBV, and REJECT.  CBV sends the DSN.
-<p>
-You can change the defaults.  For instance, I have:
-<pre>
-SPF-None:	REJECT
-SPF-Neutral:	CBV
-SPF-Softfail:	CBV
-SPF-Permerror:	CBV
-</pre>
-I have best_guess = 1, so SPF none is converted to PASS/NEUTRAL for policy
-lookup, and 3 strikes (no PTR, no HELO, no SPF) becomes "SPF NONE" for local
-policy purposes (the Received-SPF header always shows the official SPF
-result.)
-<p>
-You can change the default for specific domains:
-<pre>
-# these guys aren't going to pay attention to CBVs anyway...
-SPF-None:cia.gov	REJECT
-SPF-None:fbi.gov	REJECT
-SPF-Neutral:aol.com	REJECT
-SPF-Softfail:ebay.com	REJECT
-</pre>
-
-<h3> <a name="srs">Using SRS </a></h3>
-
-<li> Q. The SRS part doesn't seem to work as whenever I try to start
-	<code>/etc/init.d/pysrs</code>, I get this in
-	<code>/var/log/milter/pysrs.log</code>:
-<pre>
-ConfigParser.NoOptionError: No option 'fwdomain' in section: 'srs'
-</pre>
-<p>  A. You need to specify the forward domain - i.e. the domain you want
-	SRS to rewrite stuff too.
-<p>
-For instance, I have:
-<pre>
-# sample SRS configuration
-[srs]
-secret = don't you wish
-maxage = 8
-hashlength = 5
-;database=/var/log/milter/srs.db
-fwdomain = bmsi.com
-sign=bmsi.com,mail.bmsi.com,gathman.org
-srs=bmsaix.bmsi.com,bmsred.bmsi.com,stl.gathman.org,bampa.gathman.org
-</pre>
-The <code>sign</code> is for local domains which are signed.
-The <code>srs</code> list is for other domains which you are relaying,
-and which need to have SRS checked/undone for bounces.
-
-</ol>

doc/links.h

@@ -1,23 +0,0 @@
-<!-- -*- html -*- -->
-<h3>Subsections</h3>
-<li><a href="milter.html">Introduction</a>
-<li><a href="changes.html">Changes</a>
-<li><a href="requirements.html">Requirements</a>
-<li><a href="http://sourceforge.net/project/showfiles.php?group_id=139894">Download</a>
-<li><a href="faq.html">FAQ</a>
-<li><a href="policy.html">Policies</a>
-<li><a href="logmsgs.html">Log&nbsp;Messages</a>
-<li><a href="http://bmsi.com/mailman/listinfo/pymilter">Mailing&nbsp;List</a>
-<li><a href="credits.html">CREDITS</a>
-<li><a href="http://sourceforge.net"><img src="http://sflogo.sourceforge.net/sflogo.php?group_id=139894&amp;type=1" width="88" height="31" border="0" alt="SourceForge.net Logo" /></a>
-<h3>Links</h3>
-<li><a href="http://www.milter.org/milter_api/api.html">C&nbsp;API</a>
-<li><a href="http://www.milter.org/">Milter.Org</a>
-<li><a href="http://www.python.org/">Python.Org</a>
-<li><a href="http://www.sendmail.org/">Sendmail.Org</a>
-<li><a href="http://www.openspf.org/">SPF</a>
-<li><a href="pysrs.html">pysrs</a>
-<li><a href="http://cheeseshop.python.org/pypi/pyspf">pyspf</a>
-<li><a href="http://bmsi.com/python/pygossip.html">pygossip</a>
-<li><a href="http://bmsi.com/python/dspam.html">pydspam</a>
-<li><a href="http://bmsi.com/libdspam/dspam.html">libdspam</a>

doc/logmsgs.ht

@@ -1,91 +0,0 @@
-Title: Python Milter Log Documentation
-<style>
-DT              { font-weight: bolder; padding-top: 1em }
-</style>
-
-<h1> Milter Log Documentation </h1>
-
-The milter log from the bms.py application has a variety of "tags" in it that
-indicate what it did.
-
-<dl>
-<dt> DSPAM: honeypot SCREENED
-<dd> message was quarantined to the honeypot quarantine
-
-<dt> REJECT: hello SPF: fail 550 access denied
-<dt> REJECT: hello SPF: softfail 550 domain in transition
-<dt> REJECT: hello SPF: neutral 550 access neither permitted nor denied
-<dd> message was rejected because there was an SPF policy for the
-HELO name, and it did not pass.
-
-<dt> CBV: sender-17-44662668-643@bluepenmagic.com
-<dd> we performed a call back verification
-
-<dt> dspam
-<dd> dspam identifier was added to the message
-
-<dt> REJECT: spam from self: jsconnor.com
-<dd> message was reject because HELO was us (jsconnor.com)
-
-<dt> INNOC: richh
-<dd> message was used to update richh's dspam dictionary
-
-<dt> HONEYPOT: pooh@bwicorp.com
-<dd> message was sent to a honeypot address (pooh@bwicorp.com), the 
-message was added to the honeypot dspam dictionary as spam
-
-<dt> REJECT: numeric hello name: 63.217.19.146
-<dd> message was rejected because helo name was invalid (numeric)
-
-<dt> eom
-<dd> message was successfully received
-
-<dt> TEMPFAIL: CBV: 450 No MX servers available
-<dd> we tried to do a call back verification but could not look up 
-MX record, we told the sender to try again later
-
-<dt> CBV: info@emailpizzahut.com (cached)
-<dd> call back verification was needed, we had already done it recently
-
-<dt> abort after 0 body chars
-<dd> sender hung up on us
-
-<dt> REJECT: SPF fail 550 SPF fail: see 
-  http://openspf.com/why.html?sender=m.hendersonxk@163.net&ip=213.47.161.100
-<dd> message was reject because its sender's spf policy said to
-
-<dt> REJECT: Subject: Cialis - No prescription needed!
-<dd> message was rejected because its subject contained a bad expression
-
-<dt> REJECT: zombie PC at  192.168.3.37  sending MAIL FROM  seajdr@amritind.com
-<dd> message was rejected because the connect ip was internal, but the
-sender was not.  This is usually because a Windows PC is infected with
-malware.
-
-<dt> X-Guessed-SPF: pass
-<dd> When the SPF result is NONE, we guess a result based on the generic
-SPF policy "v=spf1 a/24 mx/24 ptr".
-
-<dt> DSPAM: tonyc tonyc@example.com
-<dd> message was sent to tonyc@example.com and it was identified as spam 
-and placed in the tonyc dspam quarantine
-
-<dt> REJECT: CBV: 550 calvinalstonis@ix.netcom.com...User unknown
-<dt> REJECT: CBV: 553 sorry, that domain isn't in my list
-<dt> REJECT: CBV: 554 delivery error: dd This user doesn't have an account 
-<dd> message was rejected because call back verification gave us a fatal
-error
-<dt> Auto-Whitelist: user@example.com
-<dd> recipient has been added to auto_whitelist.log because the message
-was sent from an internal IP and the recipient is not internal.
-<dt> WHITELIST user@example.com
-<dd> message is whitelisted because sender appears in auto_whitelist.log
-<dt> BLACKLIST user@example.com
-<dd> message is blacklisted because sender appears in blacklist.log or
-     failed a CBV test.
-<dt> TRAINSPAM: honeypot X-Dspam-Score: 0.002278
-<dd> message was used to train screener dictionary as spam
-<dt> TRAIN: honeypot X-Dspam-Score: 0.980203
-<dd> message was used to train screener dictionary as ham
-</dl>
-<br>

doc/mainpage.py

@@ -0,0 +1,98 @@
+## @mainpage Writing Milters in Python
+#
+# At the lowest level, the <code>milter</code> module provides a thin wrapper
+# around the <a href="milter_api/index.html"> sendmail
+# libmilter API</a>.  This API lets you register callbacks for a number of
+# events in the process of sendmail receiving a message via SMTP.  These
+# events include the initial connection from a MTA, the envelope sender and
+# recipients, the top level mail headers, and the message body.  There are
+# options to mangle all of these components of the message as it passes through
+# the %milter.
+# 
+# At the next level, the <code>Milter</code> module (note the case difference)
+# provides a Python friendly object oriented wrapper for the low level API.  To
+# use the Milter module, an application registers a 'factory' to create an
+# object for each connection from a MTA to sendmail.  These connection objects
+# must provide methods corresponding to the libmilter event callbacks.
+# 
+# Each callback method returns a code to tell sendmail whether to proceed with
+# processing the message.  This is a big advantage of milters over other mail
+# filtering systems.  Unwanted mail can be stopped in its tracks at the
+# earliest possible point.  The callback return codes are
+# milter.CONTINUE, milter.REJECT, milter.DISCARD, milter.ACCEPT, 
+# milter.TEMPFAIL, milter.SKIP, milter.NOREPLY.
+# 
+# The Milter.Base class provides default implementations for
+# event methods that do nothing, and also provides wrappers for the libmilter
+# methods to mutate the message.  It automatically negotiates with MTA
+# which protocol steps need to be processed by the %milter, based on
+# which callback methods are overridden.
+#
+# The Milter.Milter class provides an alternate default
+# implementation that logs the main milter callbacks, but otherwise does
+# nothing.  It is provided for compatibility.
+# 
+# The mime module provides a wrapper for the Python email package
+# that fixes some bugs, and simplifies modifying selected parts of a MIME
+# message.
+#
+# @section threading
+#
+# The libmilter library which pymilter wraps 
+# <a href="milter_overview#SignalHandling">handles
+# all signals</a> itself, and expects to be called from a single main thread.
+# It handles SIGTERM, SIGHUP, and SIGINT, mapping the first two to 
+# <a href="milter_api/smfi_stop.html">smfi_stop</a>
+# and the last to an internal ABORT.
+#
+# If you use python threads or threading modules, then signal handling gets
+# confused.  Threads may still be useful, but you may need to provide an
+# alternate means of causing graceful shutdown.
+#
+# You may find the
+# <a href="http://docs.python.org/release/2.6.6/library/multiprocessing.html">
+# multiprocessing</a> module useful.  It can be a drop-in
+# replacement for threading as illustrated in 
+# <a href="milter-template_8py-example.html">milter-template.py</a>.
+#
+# @section Useful python packages for milters
+#
+# <a href="https://github.com/sdgathman/pymilter">pymilter</a> - this package.
+#
+# <a href="https://github.com/sdgathman/pyspf">pyspf</a> checks the
+# SMTP envelope sender (MAIL FROM, passed to the Milter.Base.envfrom callback)
+# against a Sender Policy published in DNS by the sending domain.  This
+# can prevent forgery of the MAIL FROM.  SPF is Sender Policy Framework.
+#
+# <a href="https://launchpad.net/dkimpy">pydkim</a> checks a DKIM signature
+# of the email body and headers against a public key published in DNS by
+# the signing domain.  DKIM is DomainKeys Identified Mail.
+#
+# The <a href="https://pypi.python.org/pypi/authres/">authres</a> module 
+# parses and formats the Authentication-Results email header, providing
+# a standard place to summarize the results from DKIM, SPF, rDNS, SMTP AUTH,
+# and other email authentication methods.
+#
+# <a href="https://github.com/sdgathman/pydspam/">pydspam</a> wraps 
+# the libdspam API of the <a href="http://dspam.sourceforge.net/">DSPAM</a>
+# project.
+#
+# <a href="https://github.com/sdgathman/pysrs/">pysrs</a> rewrites
+# MAIL FROM to include a timestamped signature so that "bounce spam"
+# can be immediately rejected.
+#
+# <a href="https://github.com/sdgathman/pygossip/">pygossip</a> is a 
+# system to track reputation by domain and authentication level and type,
+# and a simple protocol to gossip about reputations with other mail servers.
+#
+# @section Milters written with pymilter
+#
+# <a href="https://github.com/croessner/vrfydmn">Verify Domain</a> is a
+# Postfix milter that rejects/fixes manipulated From: header
+# on a mail host with multiple virtual domains.
+#
+# <a href="https://github.com/sdgathman/milter/">BMS Milter</a> has several
+# milters, a big complicated spam filter that integrates multiple
+# authentication protocols with pydspam, and two simple ones: spfmilter.py and
+# dkim-milter.py.
+#

doc/milter.ht

@@ -1,307 +0,0 @@
-Title: Python Milters
-
-<P ALIGN="CENTER"><A HREF="http://www.anybrowser.org/campaign/">
-<IMG SRC="http://bmsi.com/art/brain1.gif"
-ALT="Viewable With Any Browser" BORDER="0"></A>
-
-<img src="http://bmsi.com/art/banner_4.gif" width="468" height="60" border="0"
-	usemap="#banner_4" alt="Your vote?">
-<map name="banner_4">
-  <area shape="rect" coords="330,25,426,59"
-  	href="http://education-survey.org/" alt="I Disagree">
-  <area shape="rect" coords="234,28,304,57" href="http://www.honestEd.com/" alt="I Agree">
-</map>
-</P>
-
-<img src="Maxwells.gif" alt="Maxwell's Daemon: pymilter mascot" align=left>
-<h1 align=center>Sendmail Milters in Python</h1>
-<h4 align=center>by <a href="mailto:%75%72%6D%61%6E%65%40%6E%65%75%72%61l%61%63%63%65%73%73%2E%63%6F%6D">Jim Niemira</a>
-  and <a href="mailto:%73%74%75%61%72%74%40%62%6D%73%69%2E%63%6F%6D">
-  Stuart D. Gathman</a><br>
-This web page is written by Stuart D. Gathman<br>and<br>sponsored by
-<a href="http://www.bmsi.com">Business Management Systems, Inc.</a> <br>
-Last updated Mar 30, 2007</h4>
-
-See the <a href="faq.html">FAQ</a> | <a href="http://sourceforge.net/project/showfiles.php?group_id=139894">Download now</a> |
-<a href="http://bmsi.com/mailman/listinfo/pymilter">Subscribe to mailing list</a> |
-<a href="#overview">Overview</a> |
-<a href="/python/dspam.html">pydspam</a> |
-<a href="/libdspam/dspam.html">libdspam</a>
-<p>
-<a href="//www.python.org">
-<img src="python55.gif" align=left alt="A Python"></a>
-<a href="//www.sendmail.org/">Sendmail</a> introduced a
-<a href="http://www.milter.org/milter_api/api.html"> new API</a> beginning with version 8.10 -
-libmilter.  The milter module for <a href="//www.python.org">Python</a>
-provides a python interface to libmilter that exploits all its features.
-<p>
-Sendmail 8.12 officially releases libmilter.  
-Version 8.12 seems to be more robust, and includes new privilege
-separation features to enhance security.  Even better, sendmail 8.13
-supports socket maps, which makes <a href="pysrs.html">pysrs</a> much more
-efficient and secure.  I recommend upgrading.
-
-<h3><a name=overview>Overview</a></h3>
-
-This package provides a robust toolkit for Python <a
-href="#milter">milters</a>, and the beginnings of a general purpose mail
-filtering system written in Python.
-<p>
-At the lowest level, the 'milter' module provides a thin wrapper around the
-<a href="http://www.milter.org/milter_api/api.html">
-sendmail libmilter API</a>.  This API lets you register callbacks for 
-a number of events in the
-<a href="http://www.cs.concordia.ca/~group/fig/public/email/relay/milter+ruleset-checks.html">process of sendmail receiving a message via SMTP</a>.  
-These events include the initial connection from a MTA,
-the envelope sender and recipients, the top level mail headers, and
-the message body.  There are options to mangle all of these components
-of the message as it passes through the milter.
-<p>
-At the next level, the 'Milter' module (note the case difference) provides a
-Python friendly object oriented wrapper for the low level API.  To use the
-Milter module, an application registers a 'factory' to create an object
-for each connection from a MTA to sendmail.  These connection objects
-must provide methods corresponding to the libmilter callback events.
-<p>
-Each event method returns a code to tell sendmail whether to proceed
-with processing the message.  This is a big advantage of milters over
-other mail filtering systems.  Unwanted mail can be stopped in its
-tracks at the earliest possible point.
-<p>
-The Milter.Milter class provides default implementations for event
-methods that
-do nothing, and also provides wrappers for the libmilter methods to mutate
-the message.
-<p>
-The 'spf' module provides an implementation of <a href="http://openspf.com">
-SPF</a> useful for detecting email forgery.
-<p>
-The 'mime' module provides a wrapper for the Python email package that
-fixes some bugs, and simplifies modifying selected parts of a MIME message.
-<p>
-Finally, the bms.py application is both a sample of how to use the
-Milter and spf modules, and the beginnings of a general purpose SPAM filtering,
-wiretapping, SPF checking, and Win32 virus protecting milter.  It can
-make use of the <a href="pysrs.html">pysrs</a> package when available for
-SRS/SES checking and the <a href="dspam.html">pydspam</a> package for Bayesian
-content filtering.  SPF checking
-requires <a href="http://pydns.sourceforge.net/">
-pydns</a>.  Configuration documentation is currently included as comments
-in the <a href="milter.cfg">sample config file</a> for the bms.py milter.
-See also the <a href="HOWTO">HOWTO</a> and <a href="logmsgs.html">
-Milter Log Message Tags</a>.
-<p>
-Python milter is under GPL.  The authors can probably be convinced to
-change this to LGPL if needed.
-
-<h3>What is a <a name="milter">milter</a>?</h3>
-
-Milters can run on the same machine as sendmail, or another machine.  The
-milter can even run with a different operating system or processor than
-sendmail.
-Sendmail talks to the milter via a local or internet socket.
-Sendmail keeps the
-milter informed of events as it processes a mail connection.  At any 
-point, the milter can cut the conversation short by telling sendmail
-to ACCEPT, REJECT, or DISCARD the message.  After receiving a complete
-message from sendmail, the milter can again REJECT or DISCARD it, but it
-can also ACCEPT it with changes to the headers or body.
-
-<h3> What can you do with a milter? </h3>
-
-<menu>
-<li> A milter can DISCARD or REJECT spam based based on algorithms scripted
-in python rather than sendmail's cryptic "cf" language.
-<li> A milter can alter or remove attachments from mail that are poisonous to
-Windows.
-<li> A milter can scan for viruses and clean them when detected.
-<li> A milter scans outgoing as well as incoming mail.
-<li> A milter can add and delete recipients to forward or secretly
-copy mail.
-<li> For more ideas, check the <a href="//www.milter.org">Milter Web Page</a>.
-</menu>
-
-<a href="http://www.milter.org/milter_api/api.html">
-Documentation</a> for the C API is provided with sendmail.  Miltermodule
-provides a thin python wrapper for the C API.  Milter.py provides a simple
-OO wrapper on top of that.
-<p>
-The Python milter package includes a sample milter that replaces dangerous 
-attachments with a warning message, discards mail addressed to
-MAILER-DAEMON, and demonstrates several SPAM abatement strategies.  
-The MimeMessage class to do this used to be based on the
-<code>mimetools</code> and <code>multifile</code> standard python packages.  
-As of milter version 0.6.0, it is based on the email standard
-python packages, which were derived from the 
-<a href="http://sourceforge.net/projects/mimelib">mimelib</a> project.
-The MimeMessage class patches several bugs in the email package,
-and provides some backward compatibility.
-
-<p>
-The "defang" function of the sample milter was inspired by
-<a href="http://www.roaringpenguin.com/mimedefang/">MIMEDefang</a>,
-a Perl milter with flexible attachment processing options.  The latest
-version of MIMEDefang uses an apache style process pool to avoid reloading
-the Perl interpreter for each message.  This makes it fast enough for
-production without using Perl threading.
-<p>
-<a href="http://sourceforge.net/projects/mailchecker">mailchecker</a> is
-a Python project to provide flexible attachment processing for mail.  I
-will be looking at plugging mailchecker into a milter.
-<p>
-<a href="http://software.libertine.org/tmda/">TMDA</a> is a Python project
-to require confirmation the first time someone tries to send to your
-mailbox.  This would be a nice feature to have in a milter.
-<p>
-There is also a <a href="http://www.milter.org/">Milter community website</a>
-where milter software and gory details of the API are discussed.
-
-<h3> Is a milter written in python efficient? </h3>
-
-The python milter process is multi-threaded and startup cost is incurred
-only once.  This is much more efficient than some implementations that
-start a new interpreter for each connection.  Testing in a production
-environment did not use a significant percentage of the CPU.  Furthermore,
-python is easily extended in C for any step requiring expensive CPU
-processing.
-<p>
-For example, the HTML parsing feature to remove scripts from HTML attachments
-is rather CPU intensive in pure python.  Using the C replacement for sgmllib
-greatly speeds things up.
-
-<h3> Goals </h3>
-
-<menu>
-<li> Implement RRS - a backdoor for non-SRS forwarders.  User lists non-SRS 
-     forwarder accounts (perhaps in <code>~/.forwarders</code>), and a util
-     provides a special local alias for the user to give to the forwarder.
-     Alias only works for mail from that forwarder.  Milter gets forwarder
-     domain from alias and uses it to SPF check forwarder.  Requires
-     milter to have read access to <code>~/.forwarders</code> or else
-     a way for user to submit entries to milter database.
-<li> The bms.py milter has too many features.  Create a framework where
-     numerous small feature modules can be plugged together in the
-     configuration.
-<li> Create a pure python substitute for miltermodule and libmilter that
-     implements the <a
-href="http://www.duh.org/cvsweb.cgi/~checkout~/pmilter/doc/milter-protocol.txt?rev=1">
-     libmilter protocol</a> in python. 
-<li> Find or write a faster implementation of sgmllib.  The 
-     <a href="http://www.effbot.org/zone/sgmlop-index.htm">sgmlop package</a>
-     is not very compatible with 
-     <a href="http://www.python.org/doc/2.1.3/lib/module-sgmllib.html">
-     Python-2.1 sgmllib</a>, but it is a start, and is supported in
-     milter-0.4.5 or later.
-<li> Implement all or most of the features of 
-     <a href="http://www.roaringpenguin.com/mimedefang/">MIMEDefang</a>.
-<li> Follow the official <a href="http://www.python.org/peps/pep-0008.html">
-     Python coding standards</a> more closely.
-<li> Make unit test code more like other python modules.
-</menu>
-
-<h3> Confirmed Installations </h3>
-
-Please <a href="mailto:%73%74%75%61%72%74%40%62%6D%73%69%2E%63%6F%6D">email</a>
-me if you successfully install milter on a system not mentioned below.
-<p>
-<table>
-<tr>
-<th>Operating System</th> <th>Compiler</th> <th>Python</th> <th>Sendmail</th>
-<th>milter</th>
-<tr>
-<td>Mandrake 8.0</td><td>gcc-3.0.1</td><td>2.1.1</td><td>8.12.0</td>
-<td>0.3.3</td><tr>
-<td>Mandrake 8.0</td><td>gcc-2.96</td><td>2.0</td><td>8.11.2</td>
-<td>0.3.6</td><tr>
-<td>RedHat 6.2</td><td>egcs-1.1.2</td><td>2.2.2</td><td>8.11.6</td>
-<td>0.5.4</td><tr>
-<td>RedHat 7.1</td><td>gcc-2.96</td><td>?</td><td>8.12.1</td>
-<td>0.3.5</td><tr>
-<td>RedHat 7.3</td><td>gcc-2.96</td><td>2.2.2</td><td>8.11.6</td>
-<td>0.5.5</td><tr>
-<td>RedHat 7.3</td><td>gcc-2.96</td><td>2.3.3</td><td>8.13.1</td>
-<td>0.7.2</td><tr>
-<td>RedHat 7.3</td><td>gcc-2.96</td><td>2.4.1</td><td>8.13.5</td>
-<td>0.8.4</td><tr>
-<td>RedHat 8.0</td><td>gcc-3.2</td><td>2.2.1</td><td>8.12.6</td>
-<td>0.5.2</td><tr>
-<td>RedHat 9.0</td><td>gcc-3.2.2</td><td>2.4.1</td><td>8.13.1</td>
-<td>0.8.2</td><tr>
-<td>RedHat EL3</td><td>gcc-3.2.3</td><td>2.4.1</td><td>8.13.5</td>
-<td>0.8.4</td><tr>
-<td>Debian Linux</td><td>gcc-2.95.2</td><td>2.1.1</td><td>8.12.0</td>
-<td>0.3.7</td><tr>
-<td>Debian Linux</td><td>gcc-3.2.2</td><td>2.2.2</td><td>8.12.7</td>
-<td>0.5.4</td><tr>
-<td>AIX-4.1.5</td><td>gcc-2.95.2</td><td>2.1.1</td><td>8.11.5</td>
-<td>0.3.3</td><tr>
-<td>AIX-4.1.5</td><td>gcc-2.95.2</td><td>2.1.1</td><td>8.12.1</td>
-<td>0.3.4</td><tr>
-<td>AIX-4.1.5</td><td>gcc-2.95.2</td><td>2.1.3</td><td>8.12.3</td>
-<td>0.4.2</td><tr>
-<td>AIX-4.1.5</td><td>gcc-2.95.2</td><td>2.4.1</td><td>8.13.1</td>
-<td>0.8.4</td><tr>
-<td>Slackware 7.1</td><td>?</td><td>?</td><td>8.12.1</td>
-<td>0.3.8</td><tr>
-<td>Slackware 9.0</td><td>gcc-3.2.2</td><td>2.2.3</td><td>8.12.9</td>
-<td>0.5.4</td><tr>
-<td>OpenBSD</td><td>?</td><td>2.3.3?</td><td>8.13.1?</td>
-<td>0.7.2</td><tr>
-<td>SuSE 7.3</td><td>gcc-2.95.3</td><td>2.1.1</td><td>8.12.2</td>
-<td>0.3.9</td><tr>
-<td>FreeBSD</td><td>gcc-2.95.3</td><td>2.2.1</td><td>8.12.3</td>
-<td>0.4.0</td><tr>
-<td>FreeBSD</td><td>gcc-2.95.3</td><td>2.2.2</td><td>?</td>
-<td>0.5.5</td><tr>
-<td>FreeBSD 4.4</td><td>gcc-2.95.3</td><td>?</td><td>8.12.10</td>
-<td>0.6.6</td>
-</table>
-
-<h2> Enough Already! </h2>
-
-Nearly a dozen people have emailed me begging for a feature to copy
-outgoing and/or incoming mail to a backup directory by user.  Ok, it
-looks like this is a most requested feature for 0.5.6.  In the meantime,
-here are some things to consider:
-<ul>
-<li> If you want to equivalent of a Bcc added to each message, this
-is very easy to do in the python code for bms.py.   See below.
-<li> If you want to copy to a file in a directory (thus avoiding having to
-set up aliases), this is slightly more involved.  The bms.py milter already
-copies the message to a temporary file for use in replacing the message body
-when banned attachments are found.  You have to open a file, and copy the
-Mesage object to it in eom().
-<li> Finally, you are probably aware that most email clients already
-keep a copy of outgoing mail?  Presumably there is a good reason for
-keeping another copy on the server.
-</ul>
-<p>
-To Bcc a message, call <code>self.add_recipient(rcpt)</code> in envfrom after
-determining whether you want to copy (e.g. whether the sender is local).  For
-example,
-<pre>
-  def envfrom(...
-    ...
-    if len(t) == 2:
-      self.rejectvirus = t[1] in reject_virus_from
-      if t[0] in wiretap_users.get(t[1],()):
-	self.add_recipient(wiretap_dest)
-      if t[1] == 'mydomain.com':
-        self.add_recipient('&lt;copy-%s&gt;' % t[0])
-      ...
-</pre>
-<p>
-To make this a generic feature requires thinking about how the configuration
-would look.  Feel free to make specific suggestions about config file
-entries.  Be sure to handle both Bcc and file copies, and designating what
-mail should be copied.  How should "outgoing" be defined?  Implementing it is
-easy once the configuration is designed.
-
-
-<hr>
-<p>
-<a href="http://validator.w3.org/check/referer">
-<img border=0 src="http://bmsi.com/vh32.png" alt=" [ Valid HTML 3.2! ] " height=31 width=88></a>
-<a href="http://www.redhat.com">
-<img src="http://bmsi.com/art/powered_by.gif" width="88" height="31" alt=" [ Powered By Red Hat Linux ] " border="0"></a>
-</p>

doc/milter.py

@@ -0,0 +1,251 @@
+# Document miltermodule for Doxygen
+#
+
+## @package milter
+#
+# A thin wrapper around libmilter.  Most users will not import
+# milter directly, but will instead import Milter and subclass
+# Milter.Base.  This module gives you ultimate low level control
+# from python.
+#
+
+## Continue processing the current connection, message, or recipient.
+CONTINUE  = 0
+##  For a connection-oriented routine, reject this connection; 
+# call Milter.Base.close(). For a message-oriented routine, except
+# Milter.Base.eom() or Milter.Base.abort(), reject this message.  For a
+# recipient-oriented routine, reject the current recipient (but continue
+# processing the current message).
+REJECT    = 1
+
+## For a message- or recipient-oriented routine, accept this message, but
+# silently discard it.  SMFIS_DISCARD should not be returned by a
+# connection-oriented routine.
+DISCARD   = 2
+
+## For a connection-oriented routine, accept this connection without further
+# filter processing; call Milter.Base.close().   For a message- or
+# recipient-oriented routine, accept this message without further filtering.
+ACCEPT    = 3
+
+## Return a temporary failure, i.e., the corresponding SMTP command will return
+# an appropriate 4xx status code. For a message-oriented routine, except
+# Milter.Base.envfrom(), fail for this message.  For a connection-oriented
+# routine, fail for this connection; call Milter.Base.close().  For a recipient-oriented
+# routine, only
+# fail for the current recipient; continue message processing.
+TEMPFAIL  = 4
+
+## Skip further callbacks of the same type in this transaction. 
+# Currently this return value is only allowed in Milter.Base.body(). It can be
+# used if a %milter has received sufficiently many body chunks to make a
+# decision, but still wants to invoke message modification functions that are
+# only allowed to be called from Milter.Base.eom(). Note: the %milter must
+# negotiate this behavior with the MTA, i.e., it must check whether the
+# protocol action SMFIP_SKIP is available and if so, the %milter must request
+# it.
+SKIP      = 5
+
+## Do not send a reply back to the MTA. 
+# The %milter must negotiate this behavior with the MTA, i.e., it must check
+# whether the appropriate protocol action P_NR_* is available and if so,
+# the %milter must request it. If you set the P_NR_* protocol action for a
+# callback, that callback must always reply with NOREPLY. Using any other
+# reply code is a violation of the API. If in some cases your callback may
+# return another value (e.g., due to some resource shortages), then you must
+# not set P_NR_* and you must use CONTINUE as the default return
+# code. (Alternatively you can try to delay reporting the problem to a later
+# callback for which P_NR_* is not set.)
+#
+# This is negotiated and returned automatically by the Milter.noreply 
+# function decorator.
+NOREPLY   = 6
+
+## Hold context for a %milter connection.
+# Each connection to sendmail creates a new <code>SMFICTX</code> struct within
+# libmilter.  The milter module in turn creates a milterContext
+# tied to the <code>SMFICTX</code> struct via <code>smfi_setpriv</code>
+# to hold a PyThreadState and a user defined Python object for the connection.
+# 
+# Most application interaction with libmilter takes places via 
+# the milterContext object for the connection.  It is passed to
+# callback functions as the first parameter.
+#
+# The <code>Milter</code> module creates a python class for each connection,
+# and converts function callbacks to instance method invocations.
+#
+class milterContext(object):
+  ## Calls <a href="milter_api/smfi_getsymval.html">smfi_getsymval</a>.
+  def getsymval(self,sym): pass
+  ## Calls <a href="milter_api/smfi_setreply.html">
+  # smfi_setreply</a> or
+  # <a href="milter_api/smfi_setmlreply.html">
+  # smfi_setmlreply</a>.
+  # @param rcode SMTP response code
+  # @param xcode extended SMTP response code
+  # @param msg one or more message lines.  If the MTA does not support 
+  #     multiline messages, only the first is used.
+  def setreply(self,rcode,xcode,*msg): pass
+  ## Calls <a href="milter_api/smfi_addheader.html">smfi_addheader</a>.
+  def addheader(self,name,value,idx=-1): pass
+  ## Calls <a href="milter_api/smfi_chgheader.html">smfi_chgheader</a>.
+  def chgheader(self,name,idx,value): pass
+  ## Calls <a href="milter_api/smfi_addrcpt.html">smfi_addrcpt</a>.
+  def addrcpt(self,rcpt,params=None): pass
+  ## Calls <a href="milter_api/smfi_delrcpt.html">smfi_delrcpt</a>.
+  def delrcpt(self,rcpt): pass
+  ## Calls <a href="milter_api/smfi_replacebody.html">smfi_replacebody</a>.
+  def replacebody(self,data): pass
+  ## Attach a Python object to this connection context.
+  # @return the old value or None
+  def setpriv(self,priv): pass
+  ## Return the Python object attached to this connection context.
+  def getpriv(self): pass
+  ## Calls <a href="milter_api/smfi_quarantine.html">smfi_quarantine</a>.
+  def quarantine(self,reason): pass
+  ## Calls <a href="milter_api/smfi_progress.html">smfi_progress</a>.
+  def progress(self): pass
+  ## Calls <a href="milter_api/smfi_chgfrom.html">smfi_chgfrom</a>.
+  def chgfrom(self,sender,param=None): pass
+  ## Tell the MTA which macro values we are interested in for a given stage.
+  # Of interest only when you need to squeeze a few more bytes of bandwidth.
+  # It may only be called from the negotiate callback.
+  # The protocol stages are 
+  # M_CONNECT, M_HELO, M_ENVFROM, M_ENVRCPT, M_DATA, M_EOM, M_EOH.
+  # Calls <a href="milter_api/smfi_setsymlist.html">smfi_setsymlist</a>.
+  # @param stage protocol stage in which the macro list should be used
+  # @param macrolist a space separated list of macro names
+  def setsymlist(self,stage,macrolist): pass
+
+class error(Exception): pass
+
+## Enable optional %milter actions.
+# Certain %milter actions need to be enabled before calling main()
+# or they throw an exception.  Pymilter enables them all by
+# default (since 0.9.2), but you may wish to disable unneeded
+# actions as an optimization.
+# @param flags Bit or mask of optional actions to enable
+def set_flags(flags): pass
+
+def set_connect_callback(cb): pass
+def set_helo_callback(cb): pass
+def set_envfrom_callback(cb): pass
+def set_envrcpt_callback(cb): pass
+def set_header_callback(cb): pass
+def set_eoh_callback(cb): pass
+def set_body_callback(cb): pass
+def set_abort_callback(cb): pass
+def set_close_callback(cb): pass
+
+## Sets the return code for untrapped Python exceptions during a callback.
+# The default is TEMPFAIL.  You should not depend on this handler.  Your
+# application should have its own top level exception handler for each
+# callback.  You can then choose your own reply message, log the stack track
+# were you please, and so on.  However, if you miss one, this last ditch
+# handler will print a standard stack trace to sys.stderr, and return to
+# sendmail.  
+# @param code one of #TEMPFAIL,#REJECT,#CONTINUE, or since 1.0, #ACCEPT
+def set_exception_policy(code): pass
+
+## Register python %milter with libmilter.
+# The name we pass is used to identify the %milter in the MTA configuration.
+# Callback functions must be set using the set_*_callback() functions before
+# registering the %milter.
+# Three additional callbacks are specified as keyword parameters.  These
+# were added by recent versions of libmilter.  The keyword parameters is
+# a nicer way to do it, I think, since it makes clear that you have to do
+# it before registering.  I may move all the callbacks in the future (perhaps
+# keeping the set functions for compatibility).  Note that Milter.Base
+# automatically maps all callbacks to member functions, and negotiates which
+# member functions are actually overridden by an application class.
+# @param name the %milter name by which the MTA finds us
+# @param negotiate the
+#       <a href="milter_api/xxfi_negotiate.html">
+#       xxfi_negotiate</a> callback, called to negotiate supported
+#       actions, callbacks, and protocol steps.
+# @param unknown the
+#       <a href="milter_api/xxfi_unknown.html">
+#       xxfi_unknown</a> callback, called when for SMTP commands
+#       not recognized by the MTA. (Extend SMTP in your milter!)
+# @param data the
+#       <a href="milter_api/xxfi_data.html">
+#       xxfi_data</a> callback, called when the DATA
+#       SMTP command is received.
+def register(name,negotiate=None,unknown=None,data=None): pass
+
+## Attempt to create the socket used to communicate with the MTA.
+# milter.opensocket() attempts to create the socket specified previously by a
+# call to milter.setconn() which will be the interface between MTAs and the
+# %milter.  This allows the calling application to ensure that the socket can be
+# created.  If this is not called, milter.main() will do so implicitly.
+# Calls <a href="milter_api/smfi_opensocket.html">
+# smfi_opensocket</a>.  While not documented for libmilter, my experiments
+# indicate that you must call register() before calling opensocket().
+# @param rmsock Try to remove an existing unix domain socket if true.
+def opensocket(rmsock): pass
+
+## Transfer control to libmilter.
+# Calls <a href="milter_api/smfi_main.html">
+#   smfi_main</a>.
+def main(): pass
+
+## Set the libmilter debugging level.
+# <a href="milter_api/smfi_setdbg.html">smfi_setdbg</a>
+# sets the %milter library's internal debugging level to a new level
+# so that code details may be traced. A level of zero turns off debugging. The
+# greater (more positive) the level the more detailed the debugging. Six is the
+# current, highest, useful value.  Must be called before calling main().
+def setdbg(lev): pass
+
+## Set timeout for MTA communication.
+# Calls <a href="milter_api/smfi_settimeout.html">
+# smfi_settimeout</a>.  Must be called before calling main().
+def settimeout(secs): pass
+
+## Set socket backlog.
+# Calls <a href="milter_api/smfi_setbacklog.html">
+# smfi_setbacklog</a>.  Must be called before calling main().
+def setbacklog(n): pass
+
+## Set the socket used to communicate with the MTA.
+# The MTA can communicate with the milter by means of a
+# unix, inet, or inet6 socket. By default, a unix domain socket
+# is used.  It must not exist,
+# and sendmail will throw warnings if, eg, the file is under a
+# group or world writable directory.  milter.setconn() will not fail with
+# an invalid socket - this will be detected only when calling milter.main()
+# or milter.opensocket().
+# @param s the socket address in proto:address format
+# <pre>
+# milter.setconn('unix:/var/run/pythonfilter')  # a named pipe
+# milter.setconn('local:/var/run/pythonfilter') # a named pipe
+# milter.setconn('inet:8800') 			# listen on ANY interface
+# milter.setconn('inet:7871@@publichost')	# listen on a specific interface
+# milter.setconn('inet6:8020')
+# milter.setconn('inet6:8020@[2001:db8:1234::1]')      # listen on specific IP
+# </pre>
+def setconn(s): pass
+
+## Stop the %milter gracefully.
+def stop(): pass
+
+## Retrieve diagnostic info.
+# Return a tuple with diagnostic info gathered by the milter module.
+# The first two fields are counts of milterContext objects created
+# and deleted.  Additional fields may be added later.
+# @return a tuple of diagnostic data
+def getdiag(): pass
+
+## Retrieve the runtime libmilter version.
+# Return the runtime libmilter version. This can be different
+# from the compile time version when sendmail or libmilter is upgraded
+# after pymilter is compiled.
+# @return a tuple of <code>(major,minor,patchlevel)</code>
+def getversion(): pass
+
+## The compile time libmilter version.
+# Python code might need to deal with pymilter compiled 
+# against various versions of libmilter.  This module constant 
+# contains the contents of the <code>SMFI_VERSION</code> macro when
+# the milter module was compiled.
+VERSION = 0x1000001

doc/policy.ht

@@ -1,237 +0,0 @@
-Title: Python Milter Mail Policy
-
-<h1> Python Milter Mail Policy </h1>
-
-These are the policies implemented by the <code>bms.py</code> milter
-application.  The milter and Milter modules do not implement any policies
-by themselves.  Eventually, I'll get the bms.py milter moved to its
-own package.
-
-<h3> Classify connection </h3>
-
-When the SMTP client connects, the connection IP address is
-saved for later verification, and the connection
-is classified as INTERNAL or EXTERNAL by matching the ip
-address against the <code>internal_connect</code> configuration.
-IP addresses with no PTR, and PTR names that look like
-the kind assigned to dynamic IPs (as determined by a heuristic
-algorithm) are flagged as DYNAMIC.  IPs that match the
-<code>trusted_relay</code> configuration are flagged as TRUSTED.
-<p>
-Examples from the log file (<i>not</i> the SMTP error message returned):
-<pre>
-2005Jul29 13:56:53 [71207] connect from p50863492.dip0.t-ipconnect.de at ('80.134.52.146', 1858) EXTERNAL DYN
-2005Jul29 18:10:15 [74511] connect from foopub at ('1.2.3.4', 46513) EXTERNAL TRUSTED
-2005Jul29 14:41:00 [71805] connect from foobar at ('192.168.0.1', 41205) INTERNAL
-2005Jul29 14:41:15 [71806] connect from cncln.online.ln.cn at ('218.25.240.137', 35992) EXTERNAL
-</pre>
-<p>
-Certain obviously evil PTR names are blocked at this point:
-"localhost" (when IP is not 127.*) and ".".
-<pre>
-2005Jul29 14:49:50 [71918] connect from localhost at ('221.132.0.6', 50507) EXTERNAL
-2005Jul29 14:49:50 [71918] REJECT: PTR is localhost
-</pre>
-
-<h3> HELO Check </h3>
-
-The HELO name provided by the client is saved for later verification
-(for example by SPF).  We could validate the HELO at this point
-by verifying that an A record for the HELO name matches the connect ip.
-However, currently we only block certain obvious problems.  
-HELO names that look like an IP4 address 
-and ones that match the <code>hello_blacklist</code> configuration
-are immediately rejected.  The hello_blacklist typically contains
-the current MTAs own HELO name or email domains.
-Clients that attempt to skip HELO are immediately rejected.
-<pre>
-2005Jul29 18:10:15 [74512] hello from example.com
-2005Jul29 18:10:15 [74512] REJECT: spam from self: example.com
-2005Jul29 18:17:09 [74581] hello from 80.191.244.69
-2005Jul29 18:17:09 [74581] REJECT: numeric hello name: 80.191.244.69
-</pre>
-
-<h3> MAIL FROM Check </h3>
-
-Before calling our milter, sendmail checks a DNS blacklist to 
-block banned sender domains.  We never see a blocked domain.
-<p>
-The MAIL FROM address is saved for possible use by the smart-alias
-feature.  First, the <code>internal_domains</code> is used for
-a simple screening if defined.  If the MAIL FROM for an INTERNAL connection 
-is NOT in <code>internal_domains</code>, then it is rejected (the
-PC is most likely infected and attempting to send out spam).
-If the MAIL FROM for an EXTERNAL connection IS in
-<code>internal_domains</code>, then the message is immediately rejected.
-This is quick and effective for most small company MTAs.  For more
-complex mail networks, it is too simplistic, and should not be defined.
-SPF will handle the complex cases.
-
-<h4> wiretap </h4>
-
-The wiretap feature can screen and/or monitor mail to/from certain
-users.  If the MAIL FROM is being wiretapped, the recipients are
-altered accordingly.
-
-<!--table-stop-->
-
-<h2> SPF check </h2>
-
-Finally, the MAIL FROM, connect IP, and HELO name are checked against
-any SPF records published via DNS for the alleged sender (MAIL FROM).
-If there is no SPF record, we check for a local substitute under the
-domain defined in the <code>[spf]delegate</code> configuration.
-Further checks depend on the result.
-
-<table border=1>
-<tr><th>NONE</th><td>
-If there is no SPF record (official or delegated), then we 
-initiate a "three strikes and your out" regime, which looks for
-<b>some</b> form of validated identification.
-<ol>
-<li>We try a "best guess" SPF record of "v=spf1 a/24 mx/24 ptr".  If this
-    passes, good.  
-<li> We try to validate the HELO name. First check for an SPF record.
-   Otherwise, check whether the connect IP matches any A record for
-   the HELO name, or any A record for any MX name for the HELO name,
-   or is at least in the same /24 subnet as any of the above.
-   (In other words, a HELO SPF "best guess" of "v=spf1 a/24 mx/24".)
-   If so, good.  We consider the HELO validated.  If the HELO SPF
-   check fails, we reject the email.
-</ol>
-<pre>
-2005Jul30 19:45:16 [93991] connect from [221.200.41.54] at ('221.200.41.54', 3581) EXTERNAL DYN
-2005Jul30 19:45:18 [93991] hello from adelphia.net
-2005Jul30 19:45:19 [93991] mail from <wendy.stubbsua@link-it.com> ()
-2005Jul30 19:45:19 [93991] REJECT: hello SPF: fail 550 access denied
-</pre>
-<ol>
-<li> If there is a validated PTR name, and it doesn't look
-   like a dynamic name, good.  We consider the connection validated.
-</ol>
-If any of the above can be validated, we continue on.
-If none of the above can be validated, and the <code>[SPF]reject_noptr</code>
-option is true, we reject the message immediately with the explanation
-that we need some form of valid identification before we accept an email.
-If <code>[SPF]reject_noptr</code> is false, we flag the message as
-needing Call Back Validation.  
-The Call Back Valildation sends a DSN to the purported sender informing
-them of the lack of identification.  If the message is legitimate, the
-sender needs to know that their email setup is broken and should be corrected.
-If the message is forged, the sender is informed of the forgery, 
-and their need to publish an SPF record or at least use a valid HELO name.
-If the purported sender does not accept the DSN,
-then the message is rejected.  The CBV status is cached to avoid
-annoying the purported sender with too many DSNs.  Currently, the DSN
-is repeated to the same sender once per month.
-<p>
-In this example, although 3com.com has no SPF record, we assume that 
-any legitimate mail from them will at least have a valid HELO or PTR.
-<pre>
-2005Jul30 23:52:03 [96777] connect from [222.252.233.200] at ('222.252.233.200', 29934) EXTERNAL DYN
-2005Jul30 23:52:03 [96777] hello from 3mail.3com.com
-2005Jul30 23:52:04 [96777] mail from <etec_nic_family@3mail.3com.com> ()
-2005Jul30 23:52:04 [96777] REJECT: no PTR, HELO or SPF
-</pre>
-</td></tr>
-
-<tr><th>PASS</th><td>
-A pass result normally lets the email continue on, but the domain is 
-tracked for reputation (and may be blocked), and may skip content scanning if
-it matches a whitelist.
-<pre>
-2005Jul24 17:44:26 [2104] mail from <gnucash-devel-bounces@gnucash.org> ('SIZE=4410',)
-2005Jul24 17:44:26 [2104] Received-SPF: pass (mail.bmsi.com: domain of gnucash.org
-	designates 204.107.200.65 as permitted sender)
-	client-ip=204.107.200.65; envelope-from=gnucash-devel-bounces@gnucash.org; helo=cvs.gnucash.org;
-</pre>
-</td></tr>
-
-<tr><th>NEUTRAL</th><td>
-A neutral result normally lets the email continue on, but the domain is not
-tracked for reputation or matched against any whitelists. 
-Highly forged domains listed in <code>[SPF]reject_neutral</code> are
-rejected.
-<pre>
-2005Jul24 17:41:37 [2070] connect from cp500627-a.dbsch1.nb.home.nl at ('84.27.225.3', 3465) EXTERNAL
-2005Jul24 17:41:37 [2070] hello from cp500627-a.dbsch1.nb.home.nl
-2005Jul24 17:41:38 [2070] mail from <nwarjejkw@yahoo.com> ()
-2005Jul24 17:41:38 [2070] REJECT: SPF neutral for nwarjejkw@yahoo.com
-</pre>
-</td></tr>
-
-<tr><th>SOFTFAIL</th><td>
-A softfail result normally lets the email continue on, but the domain is not
-tracked for reputation or matched against any whitelists.  Furthermore,
-the message is flagged as needing Call Back Validation,
-and the highly forged domains listed in <code>[SPF]reject_neutral</code> are
-rejected as well.  
-<p>
-At present, we also require a valid HELO or PTR to avoid rejecting 
-a softfail.  But this should probably change to only require a
-successful CBV.
-<p>
-The Call Back Valildation sends a DSN to the purported sender informing
-them of the softfail.  If the message is legitimate, the sender needs
-to know about the softfail so that their email setup can be corrected.
-If the message is forged, the sender is informed of the forgery, confirming
-that SPF is protecting their reputation and encouraging a rapid transition
-to a strict policy.  If the purported sender does not accept the DSN,
-then the message is rejected.  The CBV status is cached to avoid
-annoying the purported sender with too many DSNs.  Currently, the DSN
-is repeated to the same sender once per month.
-<pre>
-2005Jul24 15:41:33 [801] mail from <Aitp@horafeliz.com> ()
-2005Jul24 15:41:33 [801] Received-SPF: softfail (mail.bmsi.com: transitioning domain of horafeliz.com
-	does not designate 221.184.83.185 as permitted sender)
-	client-ip=221.184.83.185; envelope-from=Aitp@horafeliz.com;
-	helo=p8185-ipad30funabasi.chiba.ocn.ne.jp;
-2005Jul24 15:41:33 [801] rcpt to <david@example.com> ()
-2005Jul24 15:41:35 [801] Subject: Microsoft, Adobe, Macromedia, Corel software. Up to 80% discount.
-2005Jul24 15:41:35 [801] X-Mailer: Microsoft Outlook, Build 10.0.2605
-2005Jul24 15:41:35 [801] CBV: Aitp@horafeliz.com
-2005Jul24 15:41:38 [801] REJECT: CBV: 550 <Aitp@horafeliz.com>: User unknown
-</pre>
-</td></tr>
-
-<tr><th>FAIL</th><td>
-The message is rejected with a reference the SPF why page.
-<pre>
-2005Jul30 19:53:27 [94070] connect from [212.70.52.16] at ('212.70.52.16', 3192) EXTERNAL DYN
-2005Jul30 19:53:27 [94070] hello from winzip.com
-2005Jul30 19:53:27 [94070] mail from <dan@winzip.com> ()
-2005Jul30 19:53:27 [94070] REJECT: SPF fail 550 SPF fail:
-	see http://openspf.com/why.html?sender=dan@winzip.com&ip=212.70.52.16
-</pre>
-</td></tr>
-
-<tr><th>PERMERROR</th><td>
-Permanent errors were called "unknown", and are still show that way
-in the log.  The message is rejected.  Previously, we enabled "lax" parsing
-of the SPF record, but rejecting is better because it informs the
-sender about their problem.  The next milter version will 
-look for a local substitute SPF record (as for a missing SPF record)
-before rejecting.  This will inform the sender of their problem, but
-also let the receiver install a temporary workaround.
-<pre>
-2005Jul24 18:05:37 [2312] mail from <b-mihdbcgaacaa-becibijh-000-@msg.euxiphipops.com> () 
-2005Jul24 18:05:37 [2312] REJECT: SPF unknown 550 SPF Permanent Error:
-	include mechanism missing domain: include
-</pre>
-The SPF record for msg.euxiphipops.com looked like this at the time of the
-above error:
-<pre>
-msg.euxiphipops.com	TXT "v=spf1 mx ptr a include"
-</pre>
-</td></tr>
-
-<tr><th>TEMPERROR</th><td>
-Temporary errors result in a 451 "Try again later" response.  The sender
-should retry the message at a later time.
-<pre>
-2005Jul24 07:33:13 [29846] mail from <quickenloans@rate.quicken.com> ('SIZE=73775', 'BODY=8BITMIME')
-2005Jul24 07:33:43 [29846] TEMPFAIL: SPF error 450 SPF Temporary Error: DNS Timeout
-</pre>
-</td></tr>
-
-</table>

doc/requirements.ht

@@ -1,99 +0,0 @@
-Title: Requirements
-
-<h2> Requirements </h2>
-
-<menu>
-<li> While the miltermodule will work with python 1.5, you probably
-want to use python 2.0 or better.  The python code uses a number of
-python 2 features.  The email support requires python 2.4.
-<li> Python must be configured with thread support.  This is because
-pymilter uses sendmail's libmilter which requires thread support.
-<li> You must compile sendmail with libmilter enabled.  In versions of
-sendmail prior to 8.12 libmilter is marked FFR (For Future Release) and
-is not installed by default.  
-Sendmail 8.12 still does not enable libmilter by default.  You must 
-explicitly select the "MILTER" option when compiling.  
-<li> When compiling Python milter against sendmail versions earlier than
-8.13, you must set MAX_ML_REPLY to 1 in setup.py.  There is no way to tell from
-the libmilter includes that smfi_setmlreply is not supported.
-<li> You probably want to use sendmail-8.13, since that supports multi-line
-SMTP error descriptions and SOCKETMAP.  You want SOCKETMAP for use with
-pysrs.
-<li> Python milter has been tested against sendmail-8.11 through sendmail-8.13.
-<li> Python milter must be compiled for the specific version of sendmail
-it will run with.  (Since the result is dynamically loaded, there could 
-conceivably be multiple versions available and selected at startup - but
-that will have to wait.)  This situation may only exist for sendmail
-versions prior to 8.12.  The protocol seems designed for backward 
-compatibility - and 8.12 is the first official milter release.
-<li> Mea Culpa!  After reading the Python Style guide, I realize that
-my Python code is not up to snuff.  Apparently mixed tabs and spaces
-are anathema to those using Windows editors, where tabs can be expanded using
-any arbitrary algorithm.  Other than that, my
-intuition matched Guido's pretty well - although I like to indent by 2
-rather than 4.  I will arrange to have tabs expanded to spaces when
-exporting new versions.  Until then, beware!
-</menu>
-
-<h3> <a name="aix4"> AIX 4.1.5 Requirements </a> </h3>
-To create sendmail RPMs for AIX, you can download my AIX 4.1.5 spec files 
-for <a href="/aix/sendmail.spec">sendmail-8.11.5</a> 
-or <a href="/aix/sendmail12.spec">sendmail-8.12.3</a>.  If you have
-not already set it up, I use a <a href="/aix/aix.spec">dummy RPM package</a>
-to represent the stuff that comes with AIX.  You might also want
-my <a href="/aix/python.spec">python-2.1.1</a> spec file for AIX.  It
-does not include Tk or curses modules, sorry.  If y'all trust me, you can
-download rpms for AIX 4.x from my <a href="/aix">AIX RPM directory</a>.
-<p>
-Sendmail-8.12 renames 
-libsmutil.a to libsm.a.  Unfortunately, libsm.a is an important AIX system
-shared library.  Therefore, I rename libsm.a back to libsmutil.a for
-AIX.  This presents a problem for setup.py.
-
-<h3> <a name="rh72"> RedHat 7.2 Requirements </a> </h3>
-
-If you are running Redhat 7.2, the distributed version of sendmail
-now enables libmilter by default.  RedHat 7.2 bundles
-the development libraries with the main sendmail package, so
-there is no sendmail-devel package.  However, they forgot to include the
-headers!  So you'll have to get the SRPM and modify it.  I suggest
-moving the static libs to a devel package and adding the headers.  If
-this is too much trouble, you can get the <a href="mfapi.h">mfapi.h</a>
-header for sendmail-8.6.11 from here and manually install it as
-<code>/usr/include/libmilter/mfapi.h</code>.
-<p>
-If you do modify the SRPM, I suggest renaming libsmutil.a
-to libsm.a - just like sendmail-8.12 will.  If you manually install
-mfapi.h or don't rename libsmutil.a, you'll
-need to force <code>libs = ["milter", "smutil"]</code> in setup.py.
-<p>
-If you have installed python2, and want
-python-milter to use python2, add <code>python=python2</code> to setup.cfg
-and build with <code>python2 setup.py bdist_rpm</code>.   
-
-<h3> <a name="rh62"> Redhat 6.2 Requirements </a> </h3>
-
-If you are running Redhat 6.2, the distributed version of sendmail
-does not enable libmilter.  You can download the Redhat 7.2 sendmail.spec
-modified to compile on RedHat 6.2:
-<a href="http://www.bmsi.com/linux/rh62/sendmail-rhmilter.spec">
-sendmail-rhmilter.spec</a>.  The <a
-href="ftp://updates.redhat.com/7.0/en/os/SRPMS/sendmail-8.11.6-1.7.0.src.rpm">
-SRPM for sendmail-8.11.6</a> is available from
-<a href="http://www.redhat.com">Redhat</a> under 
-<a href="http://www.redhat.com/support/errata/RHSA-2001-106.html">
-Errata for RH6.2</a>.  But that doesn't include the latest security
-patches since RH6.2 is no longer supported.
-<p>
-If y'all trust me, you can pick up source and binary sendmail RPMs for RH6.2
-from my <a href="http://www.bmsi.com/linux/rh62">linux downloads</a> directory.
-The lastest RPMs were built by taking a RH7.2 SRPMS and removing some
-RPM features from the spec file that RH6.2 doesn't support, then
-recompiling on RH6.2.  You can check this by installing the RH7.2 SRPM,
-then diffing my sendmail.spec with theirs.  Then run
-"rpm -bb sendmail-rhmilter.spec" when you are satisfied.
-<p>
-If you have installed python2, and want
-python-milter to use python2, add <code>python=python2</code> to setup.cfg
-and build with <code>python2 setup.py bdist_rpm</code>.
-You'll need to install the sendmail-devel package to compile milter.

makefile

@@ -0,0 +1,18 @@
+web:
+	doxygen
+	test -L doc/html/milter_api || ln -sf /usr/share/doc/sendmail-milter-devel doc/html/milter_api
+	rsync -ravKk doc/html/ pymilter.org:/var/www/html/milter/pymilter
+	cd doc/html; zip -r ../../doc .
+
+VERSION=1.0.5
+PKG=pymilter-$(VERSION)
+SRCTAR=$(PKG).tar.gz
+
+$(SRCTAR):
+	git archive --format=tar.gz --prefix=$(PKG)/ -o $(SRCTAR) $(PKG)
+
+# add extra copy of name like github so annoyingly does...
+github:
+	git archive --format=tar.gz --prefix=pymilter-$(PKG)/ -o $(SRCTAR) $(PKG)
+
+gittar: $(SRCTAR)

milter-nomix.py

@@ -0,0 +1,80 @@
+## A very simple sample milter to prevent mixing of internal and external mail.
+# Internal is defined as using one of a list of internal top level domains.
+#  This code is open-source on the same terms as Python.
+
+from __future__ import print_function
+import Milter
+import time
+import sys
+from Milter.utils import parse_addr
+
+internal_tlds = ["corp", "personal"]
+
+## Determine if a hostname is internal or not. 
+# True if internal, False otherwise
+def is_internal(hostname):
+    components = hostname.split(".")
+    return components.pop() in internal_tlds
+
+# Determine if internal and external hosts are mixed based on a list
+# of hostnames
+def are_mixed(hostnames):
+    hostnames_mapped = map(is_internal, hostnames)
+
+    # Num internals
+    num_internal_hosts = hostnames_mapped.count(True)
+
+    # Num externals
+    num_external_hosts = hostnames_mapped.count(False)
+
+    return num_external_hosts >= 1 and num_internal_hosts >= 1
+
+class NoMixMilter(Milter.Base):
+
+  def __init__(self):  # A new instance with each new connection.
+    self.id = Milter.uniqueID()  # Integer incremented with each call.
+
+
+  ##  def envfrom(self,f,*str):
+  @Milter.noreply
+  def envfrom(self, mailfrom, *str):
+    self.mailfrom = mailfrom
+    self.domains = []
+    t = parse_addr(mailfrom)
+    if len(t) > 1:
+      self.domains.append(t[1])
+    else:
+      self.domains.append('local')
+    self.internal = False
+    return Milter.CONTINUE
+
+  ##  def envrcpt(self, to, *str):
+  def envrcpt(self, to, *str):
+    self.R.append(to)
+    t = parse_addr(to)
+    if len(t) > 1:
+      self.domains.append(t[1])
+    else:
+      self.domains.append('local')
+
+    if are_mixed(self.domains):
+      # FIXME: log recipients collected in self.mailfrom and self.R
+      self.setreply('550','5.7.1','Mixing internal and external TLDs')
+      return Milter.REJECT
+        
+    return Milter.CONTINUE
+    
+def main():
+  socketname = "/var/run/nomixsock"
+  timeout = 600
+  # Register to have the Milter factory create instances of your class:
+  Milter.factory = NoMixMilter
+  print("%s milter startup" % time.strftime('%Y%b%d %H:%M:%S'))
+  sys.stdout.flush()
+  Milter.runmilter("nomixfilter",socketname,timeout)
+  logq.put(None)
+  bt.join()
+  print("%s nomix milter shutdown" % time.strftime('%Y%b%d %H:%M:%S'))
+
+if __name__ == "__main__":
+  main()

milter.cfg

@@ -1,217 +0,0 @@
-[milter]
-# the socket used to communicate with sendmail.  Must match sendmail.cf
-socket=/var/run/milter/pythonsock
-# where to save original copies of defanged and failed messages
-tempdir = /var/log/milter/save
-# how long to wait for a response from sendmail before giving up 
-;timeout=600
-log_headers = 0
-# Connection ips and hostnames are matched against this glob style list
-# to recognize internal senders.  You probably need to change this.
-# The default is a good guess to try and prevent newbie frustration.
-internal_connect = 192.168.0.0/16,127.*
-
-# mail that is not an internal_connect and claims to be from an
-# internal domain is rejected.  Furthermore, internal mail that
-# does not claim to be from an internal domain is rejected.
-# You should enable SPF instead if you can.  SPF is much more comprehensive and
-# flexible.  However, SPF is not currently checked for outgoing
-# (internal_connect) mail because it doesn't yet handle authorizing 
-# internal IPs locally.
-;internal_domains = mycorp.com,localhost.localdomain
-
-# connections from a trusted relay can trust the first Received header
-# SPF checks are bypassed for internal connections and trusted relays.
-;trusted_relay = 1.2.3.4, 66.12.34.56
-
-# Relaying to these domains is allowed from internal connections only.
-;private_relay = mycorp.com
-
-# Reject external senders with hello names no legit external sender would use.
-# SPF will do this also, but listing your own domain and mailserver here
-# will save some DNS lookups when rejecting certain viruses.
-;hello_blacklist = mycorp.com, 66.12.34.56
-
-# Reject mail for domains mentioned unless user is mentioned here also
-;check_user = joe@mycorp.com, mary@mycorp.com, file:bigcorp.com
-
-# Treat localparts in milter.cfg as case-insensitive
-case_sensitive_localpart = true
-
-# features intended to filter or block incoming mail
-[defang]
-
-# do virus scanning on attached messages also
-scan_rfc822 = 0
-# do virus scanning on attached zipfiles also
-scan_zip = 0
-# Comment out scripts in HTML attachments.  Can be CPU intensive.
-scan_html = 0
-# reject messages with asian fonts because we can't read them
-block_chinese = 0
-# list users who hate forwarded mail
-;block_forward = egghead@mycorp.com, busybee@mycorp.com
-# reject mail with these case insensitive strings in the subject
-porn_words = penis, breast, pussy, horse cock, porn, xenical, diet pill, d1ck,
-	vi*gra, vi-a-gra, viag, tits, p0rn, hunza, horny, sexy, c0ck, xanaax,
-	p-e-n-i-s, hydrocodone, vicodin, xanax, vicod1n, x@nax, diazepam,
-	v1@gra, xan@x, cialis, ci@lis, frëe, xãnax, valíum, vãlium, via-gra,
-	x@n3x, vicod3n, penís, c0d1n, phentermine, en1arge, dip1oma, v1codin,
-	valium, rolex, sexual, fuck, adv1t
-# reject mail with these case sensitive strings in the subject
-spam_words = $$$, !!!, XXX, FREE, HGH
-# attachments with these extensions will be replaced with a warning
-# message.  A copy of the original will be saved. 
-banned_exts = ade,adp,asd,asx,asp,bas,bat,chm,cmd,com,cpl,crt,dll,exe,hlp,hta,
-	inf,ins,isp,js,jse,lnk,mdb,mde,msc,msi,msp,mst,ocx,pcd,pif,reg,scr,sct,
-	shs,url,vb,vbe,vbs,wsc,wsf,wsh 
-
-# See http://bmsi.com/python/pysrs.html for details
-[srs]
-config=/etc/mail/pysrs.cfg
-# SRS options can be set here also, but must match the sendmail plugin
-;secret="shhhh!"
-;maxage=21
-;hashlength=4
-;database=/var/log/milter/srsdata
-;fwdomain = mydomain.com
-# turn this on after a grace period to reject spoofed DSNs
-reject_spoofed = 0
-# Many braindead MTAs send DSNs with a non-DSN MFROM (e.g. to report that
-# some virus claiming to be sent by you).  This heuristic
-# refuses mail from user names commonly abused in that way.
-;banned_users = postmaster, mailer-daemon, clamav
-
-# See http://www.openspf.com for more info on SPF.
-[spf]
-# namespace where SPF records can be supplied for domains without one
-# records are searched for under _spf.domain.com
-;delegate = domain.com
-# domains where a neutral SPF result should cause mail to be rejected
-;reject_neutral = aol.com
-# use a default (v=spf1 a/24 mx/24 ptr) when no SPF records are published
-;best_guess = 0
-# Reject senders that have neither PTR nor valid HELO nor SPF records, or send
-# DSN otherwise
-;reject_noptr = 0
-# always accept softfail from these domains, or send DSN otherwise
-;accept_softfail = bounces.amazon.com
-# Treat fail from these domains like softfail: because their SPF record
-# or an important sender is screwed up.  Must have valid HELO, however.
-;accept_fail = custhelp.com
-# Use sendmail access map or similar format for detailed spf policy.
-# SPF entries in the access map will override any defaults set above.
-;access_file = /etc/mail/access.db
-# Add MAIL FROM as Sender when Sender is missing and From domain
-# doesn't match MAIL FROM.  Outlook and other email clients will then display
-# something like: "Sent by sender@domain.com on behalf of from@example.com"
-;supply_sender = 0
-# Connections that get an SPF pass for a pretend MAIL FROM of 
-# postmaster@sometrustedforwarder.com skip SPF checks for the real MAIL FROM.
-# This is for non-SRS forwarders.  It is a simple implementation that
-# is inefficient for more than a few entries.
-;trusted_forwarder = careerbuilder.com
-
-# features intended to clean up outgoing mail
-[scrub]
-# domains that block visible private nodes
-;hide_path = jcpenney.com	
-# reject, don't just replace with warning, viruses from these domains
-;reject_virus_from = mycorp.com
-
-# features intended for spying on users and coworkers
-[wiretap]
-blind = 1
-#
-# wiretap lets you surreptitiously monitor a users outgoing email
-# (sendmail aliases let you monitor incoming mail)
-#
-;users = disloyal@bigcorp.com, bigmouth@bigcorp.com
-# multiple destinations can use smart_alias
-;dest = spy@bigcorp.com
-# discard outgoing mail without alerting sender
-# can be used in conjunction with wiretap to censor outgoing mail
-;discard_users = canned@bigcorp.com
-# archive copies all delivered mail to a file
-;mail_archive = /var/log/mail_archive
-
-#
-# smart aliases trigger on both sender and recipient
-#   alias = sender, recipient[, destination]
-#
-[smart_alias]
-# multiple wiretap monitors.  Smart aliases are applied after wiretap.
-;spy1 = disloyal@bigcorp.com,spy@bigcorp.com
-;spy2 = bigmouth@bigcorp.com,spy@bigcorp.com
-# mail from client@clientcorp.com to sue@bigcorp.com is redirected to 
-# local alias copycust
-;copycust = client@clientcorp.com,sue@bigcorp.com
-# mail from cust@othercorp.com to walter@bigcorp.com is redirected to
-# boss@bigcorp.com
-;walter = cust@othercorp.com,walter@bigcorp.com,boss@bigcorp.com
-# additional copies can be added
-;walter1 = cust@othercorp.com,walter@bigcorp.com,boss@bigcorp.com,
-;	walter@bigcorp.com
-;bulk = soruce@telex.com,bob@jsconnor.com
-;bulk1 = soruce@telex.com,larry@jsconnor.com,bulk
-
-# See http://bmsi.com/python/dspam.html
-[dspam]
-# Select a well moderated dspam dictionary to reject spammy headers.
-# To filter on the entire message, use the full setup below.
-# only EXTERNAL messages are dspam filtered
-;dspam_dict=/var/lib/dspam/moderator.dict
-
-# Recipients of mail sent from these senders are added to the auto_whitelist.
-# Auto_whitelisted senders with an SPF PASS are never rejected by dspam, and
-# messages from auto_whitelisted senders will be used to train screener
-# dictionaries as innocent mail.
-;whitelist_senders = @mycorp.com
-
-# Opt-out recipients entirely from dspam screening and header triage
-;dspam_exempt=getitall@mycorp.com
-# Do not scan mail (ostensibly) from these senders
-;dspam_whitelist=getitall@sender.com
-# Reject spam to these domains instead of quarantining it.
-;dspam_reject=othercorp.com
-# Scan internal mail - often a good source of stats on legit mail.
-;dspam_internal=1
-
-# directory for dspam user quarantine, signature db, and dictionaries
-# defining this activates the dspam application
-# dspam and dspam-python must be installed
-;dspam_userdir=/var/lib/dspam
-# do not dspam messages larger than this
-;dspam_sizelimit=180000
-
-# Map email addresses and aliases to dspam users
-;dspam_users=david,goliath,spam,falsepositive
-;david=david@foocorp.com,david.yelnetz@foocorp.com,david@bar.foocorp.com
-;goliath=giant@foocorp.com,goliath.philistine@foocorp.com
-# address to forward spam to.  milter will process these and not deliver
-;spam=spam@foocorp.com
-# address to forward false positives to.  milter will process and not deliver
-;falsepositive=ham@foocorp.com
-# account which receives only spam: all received messages are marked as spam.
-;honeypot=spam-me@example.com
-# the dspam_screener is a list of dspam users who screen mail for all
-# recipients who are not dspam_users.  Spam goes to the screeners quarantine,
-# and the original recipients are saved so that false positives can be properly
-# delivered.
-;dspam_screener=david,goliath
-# The dspam CGI can also be used: logins must match dspam users
-
-# Optional pygossip interface
-#
-# GOSSiP tracks reputation of domain:qualifier pairs.  For instance,
-# the reputation of example.com:SPF is tracked separately from
-# example.com:neutral.  Currently qualifiers are
-# SPF,neutral,softfail,fail,permerror,GUESS,HELO
-[gossip]
-# Use a dedicated GOSSiP server.  If not specified, a local database
-# will be used.
-;server=host:11900
-# If a local database is used, also consult these GOSSiP servers about 
-# domains.  Peer reputation is also tracked as to how often they
-# agree with us, and weighted accordingly.
-;peers=host1:port,host2

milter.rc

@@ -1,85 +0,0 @@
-#!/bin/bash
-#
-# milter	This shell script takes care of starting and stopping milter.
-#
-# chkconfig: 2345 80 30
-# description: Milter is a process that filters messages sent through sendmail.
-# processname: milter
-# config: /etc/mail/pymilter.cfg
-# pidfile: /var/run/milter/milter.pid
-
-python="python2.4"
-
-pidof() {
-	set - ""
-	if set - `ps -e -o pid,cmd | grep "${python} bms.py"` &&
-	  [ "$2" != "grep" ]; then
-	  echo $1
-	  return 0
-	fi
-	return 1
-}
-
-# Source function library.
-. /etc/rc.d/init.d/functions
-
-[ -x /var/log/milter/start.sh ] || exit 0
-
-RETVAL=0
-prog="milter"
-
-start() {
-	# Start daemons.
-
-	echo -n "Starting $prog: "
-        if ! test -d /var/run/milter; then
-		mkdir -p /var/run/milter
-		chown mail:mail /var/run/milter
-	fi
-	daemon --check milter --user mail /var/log/milter/start.sh milter bms
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/milter
-	return $RETVAL
-}
-
-stop() {
-	# Stop daemons.
-	echo -n "Shutting down $prog: "
-	killproc milter
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/milter
-	return $RETVAL
-}
-
-# See how we were called.
-case "$1" in
-  start)
-	start
-	;;
-  stop)
-	stop
-	;;
-  restart|reload)
-	stop
-	start
-	RETVAL=$?
-	;;
-  condrestart)
-	if [ -f /var/lock/subsys/milter ]; then
-	    stop
-	    start
-	    RETVAL=$?
-	fi
-	;;
-  status)
-	status milter
-	RETVAL=$?
-	;;
-  *)
-	echo "Usage: $0 {start|stop|restart|condrestart|status}"
-	exit 1
-esac
-
-exit $RETVAL

milter.rc7

@@ -1,85 +0,0 @@
-#!/bin/bash
-#
-# milter	This shell script takes care of starting and stopping milter.
-#
-# chkconfig: 2345 80 30
-# description: Milter is a process that filters messages sent through sendmail.
-# processname: milter
-# config: /etc/mail/pymilter.cfg
-# pidfile: /var/run/milter/milter.pid
-
-python="python2.4"
-
-pidof() {
-	set - ""
-	if set - `ps -e -o pid,wchan,cmd | grep "rt_sig ${python} bms.py"` &&
-	  [ "$3" != "grep" ]; then
-	  echo $1
-	  return 0
-	fi
-	return 1
-}
-
-# Source function library.
-. /etc/rc.d/init.d/functions
-
-[ -x /var/log/milter/start.sh ] || exit 0
-
-RETVAL=0
-prog="milter"
-
-start() {
-	# Start daemons.
-
-	echo -n "Starting $prog: "
-        if ! test -d /var/run/milter; then
-		mkdir -p /var/run/milter
-		chown mail:mail /var/run/milter
-	fi
-	daemon --check milter --user mail /var/log/milter/start.sh milter bms
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/milter
-	return $RETVAL
-}
-
-stop() {
-	# Stop daemons.
-	echo -n "Shutting down $prog: "
-	killproc milter
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/milter
-	return $RETVAL
-}
-
-# See how we were called.
-case "$1" in
-  start)
-	start
-	;;
-  stop)
-	stop
-	;;
-  restart|reload)
-	stop
-	start
-	RETVAL=$?
-	;;
-  condrestart)
-	if [ -f /var/lock/subsys/milter ]; then
-	    stop
-	    start
-	    RETVAL=$?
-	fi
-	;;
-  status)
-	status milter
-	RETVAL=$?
-	;;
-  *)
-	echo "Usage: $0 {start|stop|restart|condrestart|status}"
-	exit 1
-esac
-
-exit $RETVAL

milter.spec

@@ -1,406 +0,0 @@
-%define name pymilter
-%define version 0.8.8
-%define release 1
-# what version of RH are we building for?
-%define redhat7 0
-
-# Options for Redhat version 6.x:
-# rpm -ba|--rebuild --define "rh7 1"
-%{?rh7:%define redhat7 1}
-
-# some systems dont have initrddir defined
-%{?_initrddir:%define _initrddir /etc/rc.d/init.d}
-
-%if %{redhat7} 
-# Redhat 7.x and earlier (multiple ps lines per thread)
-%define sysvinit milter.rc7
-%else	
-%define sysvinit milter.rc
-%endif
-# RH9, other systems (single ps line per process)
-%ifos Linux
-%define python python
-%else
-%define python python
-%endif
-%ifos aix4.1
-%define libdir /var/log/milter
-%else
-%define libdir /usr/lib/pymilter
-%endif
-
-Summary: Python interface to sendmail milter API
-Name: %{name}
-Version: %{version}
-Release: %{release}
-Source: %{name}-%{version}.tar.gz
-#Patch: %{name}-%{version}.patch
-License: GPL
-Group: Development/Libraries
-BuildRoot: %{_tmppath}/%{name}-buildroot
-Prefix: %{_prefix}
-Vendor: Stuart D. Gathman <stuart@bmsi.com>
-Packager: Stuart D. Gathman <stuart@bmsi.com>
-Url: http://www.bmsi.com/python/milter.html
-Requires: %{python} >= 2.4, sendmail >= 8.13
-%ifos Linux
-Requires: chkconfig
-%endif
-BuildRequires: %{python}-devel >= 2.4, sendmail-devel >= 8.13
-
-%description
-This is a python extension module to enable python scripts to
-attach to sendmail's libmilter functionality.  Additional python
-modules provide for navigating and modifying MIME parts, sending
-DSNs, and doing CBV.
-
-%package -n milter
-Group: Applications/System
-Summary:  BMS spam and reputation milter
-Requires: pyspf >= 2.0.4
-
-%description -n milter
-A complex but effective spam filtering, SPF checking, and reputation tracking
-mail application.  It uses pydspam if installed for bayesian filtering.
-
-%package spf
-Group: Applications/System
-Summary:  BMS spam and reputation milter
-Requires: pyspf >= 2.0.4
-
-%description spf
-A simple mail filter to add Received-SPF headers and reject forged mail.
-Rejection policy is configured via sendmail access file.
-
-%prep
-%setup
-#patch -p0 -b .bms
-
-%build
-%if %{redhat7}
-  LDFLAGS="-s"
-%else # Redhat builds debug packages after 7.3
-  LDFLAGS="-g"
-%endif
-env CFLAGS="$RPM_OPT_FLAGS" LDFLAGS="$LDFLAGS" %{python} setup.py build
-
-%install
-rm -rf $RPM_BUILD_ROOT
-%{python} setup.py install --root=$RPM_BUILD_ROOT --record=INSTALLED_FILES
-grep '.pyc$' INSTALLED_FILES | sed -e 's/c$/o/' >>INSTALLED_FILES
-mkdir -p $RPM_BUILD_ROOT/var/log/milter
-mkdir -p $RPM_BUILD_ROOT/etc/mail
-mkdir $RPM_BUILD_ROOT/var/log/milter/save
-mkdir -p $RPM_BUILD_ROOT%{libdir}
-cp *.txt $RPM_BUILD_ROOT/var/log/milter
-cp bms.py spfmilter.py $RPM_BUILD_ROOT%{libdir}
-cp milter.cfg $RPM_BUILD_ROOT/etc/mail/pymilter.cfg
-cp spfmilter.cfg $RPM_BUILD_ROOT/etc/mail
-
-# logfile rotation
-mkdir -p $RPM_BUILD_ROOT/etc/logrotate.d
-cat >$RPM_BUILD_ROOT/etc/logrotate.d/milter <<'EOF'
-/var/log/milter/milter.log {
-  copytruncate
-  compress
-}
-/var/log/milter/banned_ips {
-  rotate 3
-  daily
-  copytruncate
-}
-EOF
-
-# purge saved defanged message copies
-mkdir -p $RPM_BUILD_ROOT/etc/cron.daily
-%ifos aix4.1
-R=
-%else
-R='-r'
-%endif
-cat >$RPM_BUILD_ROOT/etc/cron.daily/milter <<'EOF'
-#!/bin/sh
-
-find /var/log/milter/save -mtime +7 | xargs $R rm
-# work around memory leak
-/etc/init.d/milter condrestart
-EOF
-chmod a+x $RPM_BUILD_ROOT/etc/cron.daily/milter
-
-%ifos aix4.1
-cat >$RPM_BUILD_ROOT%{libdir}/start.sh <<'EOF'
-#!/bin/sh
-cd /var/log/milter
-# uncomment to enable sgmlop if installed
-#export PYTHONPATH=/usr/local/lib/python2.1/site-packages
-exec /usr/local/bin/python bms.py >>milter.log 2>&1
-EOF
-%else
-cp start.sh $RPM_BUILD_ROOT%{libdir}
-mkdir -p $RPM_BUILD_ROOT/etc/rc.d/init.d
-cp %{sysvinit} $RPM_BUILD_ROOT/etc/rc.d/init.d/milter
-cp spfmilter.rc $RPM_BUILD_ROOT/etc/rc.d/init.d/spfmilter
-ed $RPM_BUILD_ROOT/etc/rc.d/init.d/milter <<'EOF'
-/^python=/
-c
-python="%{python}"
-.
-w
-q
-EOF
-ed $RPM_BUILD_ROOT/etc/rc.d/init.d/spfmilter <<'EOF'
-/^python=/
-c
-python="%{python}"
-.
-w
-q
-EOF
-ed $RPM_BUILD_ROOT%{libdir}/start.sh <<'EOF'
-/^python=/
-c
-python="%{python}"
-.
-w
-q
-EOF
-%endif
-chmod a+x $RPM_BUILD_ROOT%{libdir}/start.sh
-
-mkdir -p $RPM_BUILD_ROOT/var/run/milter
-mkdir -p $RPM_BUILD_ROOT/usr/share/sendmail-cf/hack
-cp -p rhsbl.m4 $RPM_BUILD_ROOT/usr/share/sendmail-cf/hack
-
-%ifos aix4.1
-%post
-mkssys -s milter -p %{libdir}/start.sh -u 25 -S -n 15 -f 9 -G mail || :
-
-%preun
-if [ $1 = 0 ]; then
-  rmssys -s milter || :
-fi
-%else
-%post -n milter
-#echo "pythonsock has moved to /var/run/milter, update /etc/mail/sendmail.cf"
-/sbin/chkconfig --add milter
-
-%preun -n milter
-if [ $1 = 0 ]; then
-  /sbin/chkconfig --del milter
-fi
-%post spf
-#echo "pythonsock has moved to /var/run/milter, update /etc/mail/sendmail.cf"
-/sbin/chkconfig --add spfmilter
-
-%preun spf
-if [ $1 = 0 ]; then
-  /sbin/chkconfig --del spfmilter
-fi
-%endif
-
-%clean
-rm -rf $RPM_BUILD_ROOT
-
-%files -f INSTALLED_FILES
-%defattr(-,root,root)
-%doc README HOWTO ChangeLog NEWS TODO CREDITS sample.py milter-template.py
-%config %{libdir}/start.sh
-
-%files -n milter
-%defattr(-,root,root)
-/etc/logrotate.d/milter
-/etc/cron.daily/milter
-%ifos aix4.1
-%defattr(-,smmsp,mail)
-%else
-/etc/rc.d/init.d/milter
-%defattr(-,mail,mail)
-%endif
-%dir /var/log/milter
-%dir /var/log/milter/save
-%config %{libdir}/bms.py
-%{libdir}/bms.py?
-%config(noreplace) /var/log/milter/strike3.txt
-%config(noreplace) /var/log/milter/softfail.txt
-%config(noreplace) /var/log/milter/fail.txt
-%config(noreplace) /var/log/milter/neutral.txt
-%config(noreplace) /var/log/milter/quarantine.txt
-%config(noreplace) /var/log/milter/permerror.txt
-%config(noreplace) /etc/mail/pymilter.cfg
-/usr/share/sendmail-cf/hack/rhsbl.m4
-
-%files spf
-%defattr(-,root,root)
-%dir /var/log/milter
-%{libdir}/spfmilter.py*
-%config(noreplace) /etc/mail/spfmilter.cfg
-/etc/rc.d/init.d/spfmilter
-
-%changelog
-* Fri Jan 05 2007 Stuart Gathman <stuart@bmsi.com> 0.8.8-1
-- move AddrCache, parse_addr, iniplist to Milter package
-- move parse_header to Milter.utils
-- fix plock for missing source and can't change owner/group
-- add sample spfmilter.py milter
-- private_relay config option
-- persist delayed DSN blacklisting
-- handle gossip server restart without disabling gossip
-- split out pymilter and pymilter-spf packages
-- move milter apps to /usr/lib/pymilter
-* Sat Nov 04 2006 Stuart Gathman <stuart@bmsi.com> 0.8.7-1
-- More lame bounce heuristics
-- SPF moved to pyspf RPM
-- wiretap archive option
-- Do plain CBV if missing template
-* Tue May 23 2006 Stuart Gathman <stuart@bmsi.com> 0.8.6-2
-- Support CBV timeout
-- Support fail template, headers in templates
-- Create GOSSiP record only when connection will procede to DATA.
-- More SPF lax heuristics
-- Don't require SPF pass for white/black listing mail from trusted relay.
-- Support localpart wildcard for white and black lists.
-* Thu Feb 23 2006 Stuart Gathman <stuart@bmsi.com> 0.8.6-1
-- Delay reject of unsigned RCPT for postmaster and abuse only
-- Fix dsn reporting of hard permerror
-- Resolve FIXME for wrap_close in miltermodule.c
-- Add Message-ID to DSNs
-- Use signed Message-ID in delayed reject to blacklist senders
-- Auto-train via blacklist and auto-whitelist
-- Don't check userlist for signed MFROM
-- Accept but skip DSPAM and training for whitelisted senders without SPF PASS
-- Report GC stats 
-- Support CIDR matching for IP lists
-- Support pysrs sign feature
-- Support localpart specific SPF policy in access file
-* Thu Dec 29 2005 Stuart Gathman <stuart@bmsi.com> 0.8.5-1
-- Simple trusted_forwarder implementation.
-- Fix access_file neutral policy
-- Move Received-SPF header to beginning of headers
-- Supply keyword info for all results in Received-SPF header.
-- Move guessed SPF result to separate header
-- Activate smfi_insheader only when SMFIR_INSHEADER defined
-- Handle NULL MX in spf.py
-- in-process GOSSiP server support (to be extended later)
-- Expire CBV cache and renew auto-whitelist entries
-* Fri Oct 21 2005 Stuart Gathman <stuart@bmsi.com> 0.8.4-2
-- Don't supply sender when MFROM is subdomain of header from/sender.
-- Don't send quarantine DSN for DSNs
-- Skip dspam for replies/DSNs to signed MFROM
-* Thu Oct 20 2005 Stuart Gathman <stuart@bmsi.com> 0.8.4-1
-- Fix SPF policy via sendmail access map (case insensitive keys).
-- Auto whitelist senders, train screener on whitelisted messages
-- Optional idx parameter to addheader to invoke smfi_insheader
-- Activate progress when SMFIR_PROGRESS defined
-* Wed Oct 12 2005 Stuart Gathman <stuart@bmsi.com> 0.8.3-1
-- Keep screened honeypot mail, but optionally discard honeypot only mail.
-- spf_accept_fail option for braindead SPF senders (treats fail like softfail)
-- Consider SMTP AUTH connections internal.
-- Send DSN for SPF errors corrected by extended processing.
-- Send DSN before SCREENED mail is quarantined
-- Option to set SPF policy via sendmail access map.
-- Option to supply Sender header from MAIL FROM when missing.
-- Use logging package to keep log lines atomic.
-* Fri Jul 15 2005 Stuart Gathman <stuart@bmsi.com> 0.8.2-4
-- Limit each CNAME chain independently like PTR and MX
-* Fri Jul 15 2005 Stuart Gathman <stuart@bmsi.com> 0.8.2-3
-- Limit CNAME lookups (regression)
-* Fri Jul 15 2005 Stuart Gathman <stuart@bmsi.com> 0.8.2-2
-- Handle corrupt ZIP attachments
-* Fri Jul 15 2005 Stuart Gathman <stuart@bmsi.com> 0.8.2-1
-- Strict processing limits per SPF RFC
-- Fixed several parsing bugs under RFC 
-- Support official IANA SPF record (type99)
-- Honeypot support (requires pydspam-1.1.9)
-- Extended SPF processing results beyond strict RFC limits
-- Support original SES for local bounce protection (requires pysrs-0.30.10)
-- Callback exception processing option in milter module
-* Thu Jun 16 2005 Stuart Gathman <stuart@bmsi.com> 0.8.1-1
-- Fix zip in zip loop in mime.py
-- Fix HeaderParseError in bms.py header callback
-- Check internal_domains for outgoing mail
-- Fix inconsistent results from send_dsn
-* Mon Jun 06 2005 Stuart Gathman <stuart@bmsi.com> 0.8.0-3
-- properly log pydspam exceptions
-* Sat Jun 04 2005 Stuart Gathman <stuart@bmsi.com> 0.8.0-2
-- Include default softfail, strike3 templates
-* Wed May 25 2005 Stuart Gathman <stuart@bmsi.com> 0.8.0-1
-- Move Milter module to subpackage.
-- DSN support for Three strikes rule and SPF SOFTFAIL
-- Move /*mime*/ and dynip to Milter subpackage
-- Fix SPF unknown mechanism list not cleared
-- Make banned extensions configurable.
-- Option to scan zipfiles for bad extensions.
-* Tue Feb 08 2005 Stuart Gathman <stuart@bmsi.com> 0.7.3-1.EL3
-- Support EL3 and Python2.4 (some scanning/defang support broken)
-* Mon Aug 30 2004 Stuart Gathman <stuart@bmsi.com> 0.7.2-1
-- Fix various SPF bugs
-- Recognize dynamic PTR names, and don't count them as authentication.
-- Three strikes and yer out rule.
-- Block softfail by default unless valid PTR or HELO
-- Return unknown for null mechanism
-- Return unknown for invalid ip address in mechanism
-- Try best guess on HELO also
-- Expand setreply for common errors
-- make rhsbl.m4 hack available for sendmail.mc
-* Sun Aug 22 2004 Stuart Gathman <stuart@bmsi.com> 0.7.1-1
-- Handle modifying mislabeled multipart messages without an exception
-- Support setbacklog, setmlreply
-- allow multi-recipient CBV
-- return TEMPFAIL for SPF softfail
-* Fri Jul 23 2004 Stuart Gathman <stuart@bmsi.com> 0.7.0-1
-- SPF check hello name
-- Move pythonsock to /var/run/milter
-- Move milter.cfg to /etc/mail/pymilter.cfg
-- Check M$ style XML CID records by converting to SPF
-- Recognize, but never match ip6 until we properly support it.
-- Option to reject when no PTR and no SPF
-* Fri Apr 09 2004 Stuart Gathman <stuart@bmsi.com> 0.6.9-1
-- Validate spf.py against test suite, and add Received-SPF support to spf.py
-- Support best_guess for SPF
-- Reject numeric hello names
-- Preserve case of local part in sender
-- Make libmilter timeout a config option
-- Fix setup.py to work with python < 2.2.3
-* Tue Apr 06 2004 Stuart Gathman <stuart@bmsi.com> 0.6.8-3
-- Reject invalid SRS immediately for benefit of callback verifiers
-- Fix include bug in spf.py
-* Tue Apr 06 2004 Stuart Gathman <stuart@bmsi.com> 0.6.8-2
-- Bug in check_header
-* Mon Apr 05 2004 Stuart Gathman <stuart@bmsi.com> 0.6.8-1
-- Don't report spoofed unless rcpt looks like SRS
-- Check for bounce with multiple rcpts
-- Make dspam see Received-SPF headers
-- Make sysv init work with RH9
-* Thu Mar 25 2004 Stuart Gathman <stuart@bmsi.com> 0.6.7-3
-- Forgot to make spf_reject_neutral global in bms.py
-* Wed Mar 24 2004 Stuart Gathman <stuart@bmsi.com> 0.6.7-2
-- Defang message/rfc822 content_type with boundary 
-- Support SPF delegation
-- Reject neutral SPF result for selected domains
-* Tue Mar 23 2004 Stuart Gathman <stuart@bmsi.com> 0.6.7-1
-- SRS forgery check.  Detect thread resource starvation.
-- Properly remove local socket with explicit type.
-- Decode obfuscated subject headers.
-* Wed Mar 11 2004 Stuart Gathman <stuart@bmsi.com> 0.6.6-2
-- init script bug with python2.3
-* Wed Mar 10 2004 Stuart Gathman <stuart@bmsi.com> 0.6.6-1
-- SPF checking, hello blacklist
-* Mon Mar 08 2004 Stuart Gathman <stuart@bmsi.com> 0.6.5-2
-- memory leak in envfrom and envrcpt
-* Mon Mar 01 2004 Stuart Gathman <stuart@bmsi.com> 0.6.5-1
-- progress notification
-- memory leak in connect
-- trusted relay
-* Thu Feb 19 2004 Stuart Gathman <stuart@bmsi.com> 0.6.4-2
-- smart alias wildcard patch, compile for sendmail-8.12
-* Thu Dec 04 2003 Stuart Gathman <stuart@bmsi.com> 0.6.4-1
-- many fixes for dspam support
-* Wed Oct 22 2003 Stuart Gathman <stuart@bmsi.com> 0.6.3
-- dspam SCREEN feature
-- streamline dspam false positive handling
-* Mon Sep 01 2003 Stuart Gathman <stuart@bmsi.com> 0.6.1
-- Full dspam support added
-* Mon Aug 26 2003 Stuart Gathman <stuart@bmsi.com>
-- Use New email module
-* Fri Jun 27 2003 Stuart Gathman <stuart@bmsi.com>
-- Add dspam module

mime.py

@@ -1,100 +1,43 @@
-# $Log$
-# Revision 1.4  2005/06/17 01:49:39  customdesigned
-# Handle zip within zip.
+## @package mime
+# This module provides a "defang" function to replace naughty attachments.
 #
-# Revision 1.3  2005/06/02 15:00:17  customdesigned
-# Configure banned extensions.  Scan zipfile option with test case.
-#
-# Revision 1.2  2005/06/02 04:18:55  customdesigned
-# Update copyright notices after reading article on /.
-#
-# Revision 1.1.1.4  2005/05/31 18:23:49  customdesigned
-# Development changes since 0.7.2
-#
-# Revision 1.62  2005/02/14 22:31:17  stuart
-# _parseparam replacement not needed for python2.4
-#
-# Revision 1.61  2005/02/12 02:11:11  stuart
-# Pass unit tests with python2.4.
-#
-# Revision 1.60  2005/02/11 18:34:14  stuart
-# Handle garbage after quote in boundary.
-#
-# Revision 1.59  2005/02/10 01:10:59  stuart
-# Fixed MimeMessage.ismodified()
-#
-# Revision 1.58  2005/02/10 00:56:49  stuart
-# Runs with python2.4.  Defang not working correctly - more work needed.
-#
-# Revision 1.57  2004/11/20 16:37:52  stuart
-# fix regex for splitting header and body
-#
-# Revision 1.56  2004/11/09 20:33:51  stuart
-# Recognize more dynamic PTR variations.
-#
-# Revision 1.55  2004/10/06 21:39:20  stuart
-# Handle message attachments with boundary errors by not parsing them
-# until needed.
-#
-# Revision 1.54  2004/08/18 01:59:46  stuart
-# Handle mislabeled multipart messages
-#
-# Revision 1.53  2004/04/24 22:53:20  stuart
-# Rename some local variables to avoid shadowing builtins
-#
-# Revision 1.52  2004/04/24 22:47:13  stuart
-# Convert header values to str
-#
-# Revision 1.51  2004/03/25 03:19:10  stuart
-# Correctly defang rfc822 attachments when boundary specified with
-# content-type message/rfc822.
-#
-# Revision 1.50  2003/10/15 22:01:00  stuart
-# Test for and work around email bug with encoded filenames.
-#
-# Revision 1.49  2003/09/04 18:48:13  stuart
-# Support python-2.2.3
-#
-# Revision 1.48  2003/09/02 00:27:27  stuart
-# Should have full milter based dspam support working
-#
-# Revision 1.47  2003/08/26 06:08:18  stuart
-# Use new python boolean since we now require 2.2.2
-#
-# Revision 1.46  2003/08/26 05:01:38  stuart
-# Release 0.6.0
-#
-# Revision 1.45  2003/08/26 04:01:24  stuart
-# Use new email module for parsing mail.  Still need mime module to
-# provide various bug fixes to email module, and maintain some compatibility
-# with old milter code.
-#
-
-# This module provides a "defang" function to replace naughty attachments
-# with a warning message.
+# We also provide workarounds for bugs in the email module that comes 
+# with python.  The "bugs" fixed mostly come up only with malformed
+# messages - but that is what you have when dealing with spam.
 
 # Author: Stuart D. Gathman <stuart@bmsi.com>
 # Copyright 2001,2002,2003,2004,2005 Business Management Systems, Inc.
 # This code is under the GNU General Public License.  See COPYING for details.
 
-import StringIO
+from __future__ import print_function
+try:
+  from io import BytesIO, StringIO
+except:
+  from StringIO import StringIO 
+  BytesIO = StringIO
 import socket
 import Milter
 import zipfile
+import sys
 
 import email
-import email.Message
-from email.Message import Message
-from email.Generator import Generator
-from email.Utils import quote
-from email import Utils
-from email.Parser import Parser
-from email import Errors
+from email.message import Message
+try:
+  from email.generator import BytesGenerator
+  from email import message_from_binary_file, encoders
+except:
+  from email.generator import Generator as BytesGenerator
+  from email import message_from_file as message_from_binary_file
+  from email import Encoders as encoders
+from email.utils import quote
 
-from types import ListType,StringType
+if not getattr(Message,'as_bytes',None):
+  Message.as_bytes = Message.as_string
 
+## Return a list of filenames in a zip file.
+# Embedded zip files are recursively expanded.
 def zipnames(txt):
-  fp =  StringIO.StringIO(txt)
+  fp =  BytesIO(txt)
   zipf = zipfile.ZipFile(fp,'r')
   names = []
   for nm in zipf.namelist():
@@ -103,7 +46,9 @@ def zipnames(txt):
       names += zipnames(zipf.read(nm))
   return names
 
-class MimeGenerator(Generator):
+## Fix multipart handling in email.Generator.
+#
+class MimeGenerator(BytesGenerator):
     def _dispatch(self, msg):
         # Get the Content-Type: for the message, then try to dispatch to
         # self._handle_<maintype>_<subtype>().  If there's no handler for the
@@ -113,7 +58,7 @@ class MimeGenerator(Generator):
         if msg.is_multipart() and main.lower() != 'multipart':
           self._handle_multipart(msg)
         else:
-	  Generator._dispatch(self,msg)
+          BytesGenerator._dispatch(self,msg)
 
 def unquote(s):
     """Remove quotes from a string."""
@@ -130,33 +75,33 @@ def unquote(s):
           return s[1:-1]
     return s
 
-from types import TupleType
-
 def _unquotevalue(value):
-  if isinstance(value, TupleType):
+  if isinstance(value, tuple):
       return value[0], value[1], unquote(value[2])
   else:
       return unquote(value)
 
 #email.Message._unquotevalue = _unquotevalue
 
-from email.Message import _parseparam
+from email.message import _parseparam
 
-# Enhance email.Message 
-# - Provide a headerchange event for integration with Milter
-#   Headerchange attribute can be assigned a function to be called when
-#   changing headers.  The signature is:
-#	headerchange(msg,name,value) -> None
-# - Track modifications to headers of body or any part independently
+## Enhance email.message.Message
+#
+# Tracks modifications to headers of body or any part independently.
 
 class MimeMessage(Message):
   """Version of email.Message.Message compatible with old mime module
   """
   def __init__(self,fp=None,seekable=1):
     Message.__init__(self)
-    self.headerchange = None
     self.submsg = None
     self.modified = False
+  ## @var headerchange
+  # Provide a headerchange event for integration with Milter.
+  #   The headerchange attribute can be assigned a function to be called when
+  #   changing headers.  The signature is:
+  #   headerchange(msg,name,value) -> None
+    self.headerchange = None
 
   def get_param(self, param, failobj=None, header='content-type', unquote=True):
     val = Message.get_param(self,param,failobj,header,unquote)
@@ -180,8 +125,8 @@ class MimeMessage(Message):
     """Return a list of (attr,name) pairs of attributes that IE might
        interpret as a name - and hence decide to execute this message."""
     names = []
-    for attr,val in self._get_params_preserve([],'content-type'):
-      if isinstance(val, TupleType):
+    for attr,val in self.get_params([],'content-type',False):
+      if isinstance(val, tuple):
 	  # It's an RFC 2231 encoded parameter
           newvalue = _unquotevalue(val)
           if val[0]:
@@ -216,9 +161,9 @@ class MimeMessage(Message):
     g = MimeGenerator(file)
     g.flatten(self,unixfrom=unixfrom)
 
-  def as_string(self, unixfrom=False):
+  def as_bytes(self, unixfrom=False):
       "Return the entire formatted message as a string."
-      fp = StringIO.StringIO()
+      fp = BytesIO()
       self.dump(fp,unixfrom=unixfrom)
       return fp.getvalue()
 
@@ -250,6 +195,11 @@ class MimeMessage(Message):
 
   def get_payload(self,i=None,decode=False):
     msg = self.submsg
+    if msg is None:
+      t = self.get_content_type().lower()
+      if t == 'message/rfc822' or t.startswith('multipart/'):
+        msg = super().get_payload()
+        self.submsg = msg
     if isinstance(msg,Message) and msg.ismodified():
       self.set_payload([msg])
     return Message.get_payload(self,i,decode)
@@ -268,7 +218,11 @@ class MimeMessage(Message):
     if t == 'message/rfc822' or t.startswith('multipart/'):
       if not self.submsg:
         txt = self.get_payload()
-	if type(txt) == str:
+        if type(txt) is bytes:
+          self.submsg = email.message_from_bytes(txt,MimeMessage)
+          for part in self.submsg.walk():
+            part.modified = False
+        elif type(txt) is str:
           txt = self.get_payload(decode=True)
           self.submsg = email.message_from_string(txt,MimeMessage)
           for part in self.submsg.walk():
@@ -279,7 +233,7 @@ class MimeMessage(Message):
     return None
 
 def message_from_file(fp):
-  msg = email.message_from_file(fp,MimeMessage)
+  msg = message_from_binary_file(fp,MimeMessage)
   for part in msg.walk():
     part.modified = False
   assert not msg.ismodified()
@@ -290,7 +244,7 @@ ade,adp,asd,asx,asp,bas,bat,chm,cmd,com,cpl,crt,dll,exe,hlp,hta,inf,ins,isp,js,
 jse,lnk,mdb,mde,msc,msi,msp,mst,ocx,pcd,pif,reg,scr,sct,shs,url,vb,vbe,vbs,wsc,
 wsf,wsh 
 """.split())
-bad_extensions = map(lambda x:'.' + x,extlist.split(','))
+bad_extensions = ['.' + x for x in extlist.split(',')]
 
 def check_ext(name):
   "Check a name for dangerous Winblows extensions."
@@ -329,19 +283,24 @@ def check_name(msg,savname=None,ckname=check_ext,scan_zip=False):
   msg["Content-Type"] = "text/plain; name="+name
   return Milter.CONTINUE
 
-import email.Iterators
-
-def check_attachments(msg,check):
+def check_attachments(msg,check,lev=None):
   """Scan attachments.
 msg	MimeMessage
 check	function(MimeMessage): int
 	Return CONTINUE, REJECT, ACCEPT
   """
   if msg.is_multipart():
+    if not lev: lev = []
+    lev.append(1)
+    if msg.get_content_type().endswith('/rfc822'):
+      foo = 1
     for i in msg.get_payload():
-      rc = check_attachments(i,check)
+      print('chkm',lev,msg.get_content_type())
+      rc = check_attachments(i,check,lev=lev)
       if rc != Milter.CONTINUE: return rc
+      lev[-1] += 1
     return Milter.CONTINUE
+  print('chk',lev,msg.get_content_type())
   return check(msg)
 
 # save call context for Python without nested_scopes
@@ -376,18 +335,21 @@ class _defang:
 # emulate old defang function
 defang = _defang()
 
-import sgmllib
+if sys.version < '3.0.0':
+    from sgmllib import SGMLParser as HTMLParser
+else:
+    from Milter.sgmllib import SGMLParser as HTMLParser
 
 import re
 declname = re.compile(r'[a-zA-Z][-_.a-zA-Z0-9]*\s*')
 declstringlit = re.compile(r'(\'[^\']*\'|"[^"]*")\s*')
 
-class SGMLFilter(sgmllib.SGMLParser):
+class SGMLFilter(HTMLParser):
   """Parse HTML and pass through all constructs unchanged.  It is intended for
      derived classes to implement exceptional processing for selected cases.
   """
   def __init__(self,out):
-    sgmllib.SGMLParser.__init__(self)
+    HTMLParser.__init__(self)
     self.out = out
 
   def handle_comment(self,comment):
@@ -418,7 +380,7 @@ class SGMLFilter(sgmllib.SGMLParser):
     self.out.write("<!%s>" % data)
 
   def write(self,buf):
-    "Act like a writer.  Why doesn't SGMLParser do this by default?"
+    "Act like a writer.  Why doesn't HTMLParser do this by default?"
     self.feed(buf)
 
   # Python-2.1 sgmllib rejects illegal declarations.  Since various Microsoft
@@ -461,11 +423,14 @@ class HTMLScriptFilter(SGMLFilter):
     self.modified = False
     self.msg = "<!-- WARNING: embedded script removed -->"
   def start_script(self,unused):
+    #print('beg script',unused)
     self.ignoring += 1
     self.modified = True
-    self.out.write(self.msg)
   def end_script(self):
+    #print('end script')
     self.ignoring -= 1
+    if not self.ignoring:
+      self.out.write(self.msg)
   def handle_data(self,data):
     if not self.ignoring: SGMLFilter.handle_data(self,data)
   def handle_comment(self,comment):
@@ -480,14 +445,14 @@ def check_html(msg,savname=None):
       if name and name.lower().endswith(".htm"):
         msgtype = 'text/html'
   if msgtype == 'text/html':
-    out = StringIO.StringIO()
+    out = StringIO()
     htmlfilter = HTMLScriptFilter(out)
     try:
-      htmlfilter.write(msg.get_payload(decode=True))
+      htmlfilter.write(msg.get_payload(decode=True).decode())
       htmlfilter.close()
     #except sgmllib.SGMLParseError:
     except:
-      #mimetools.copyliteral(msg.get_payload(),open('debug.out','w')
+      mimetools.copyliteral(msg.get_payload(),open('debug.out','wb'))
       htmlfilter.close()
       hostname = socket.gethostname()
       msg.set_payload(
@@ -502,22 +467,21 @@ def check_html(msg,savname=None):
     if htmlfilter.modified:
       msg.set_payload(out)	# remove embedded scripts
       del msg["content-transfer-encoding"]
-      email.Encoders.encode_quopri(msg)
+      encoders.encode_quopri(msg)
   return Milter.CONTINUE
 
 if __name__ == '__main__':
-  import sys
   def _list_attach(msg):
     t = msg.get_content_type()
     p = msg.get_payload(decode=True)
-    print msg.get_filename(),msg.get_content_type(),type(p)
+    print(msg.get_filename(),msg.get_content_type(),type(p))
     msg = msg.get_submsg()
     if isinstance(msg,Message):
       return check_attachments(msg,_list_attach)
     return Milter.CONTINUE
 
   for fname in sys.argv[1:]:
-    fp = open(fname)
+    with open(fname,'rb') as fp:
       msg = message_from_file(fp)
-    email.Iterators._structure(msg)
+    email.iterators._structure(msg)
     check_attachments(msg,_list_attach)

neutral.txt

@@ -1,39 +0,0 @@
-To: %(sender)s
-From: postmaster@%(receiver)s
-Subject: SPF %(result)s (POSSIBLE FORGERY)
-Auto-Submitted: auto-generated (sender verification)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-       %(rcpt)s
-
-Subject: %(subject)s
-Received-SPF: %(spf_result)s
-
-Your sender policy (or lack thereof) indicated that the above email was not
-sent via an authorized SMTP server, but may still be legitimate.  Since there
-is no positive confirmation that the message is really from you, we have
-to give it extra scrutiny - including verifying that the sender really
-exists by sending you this DSN.  We will remember this sender and not
-bother you again for a while.  You can avoid this message entirely for
-legitimate mail by using an authorized SMTP server.  Contact your mail
-administrator and ask how to configure your email client to use an
-authorized server.
-
-If you never sent the above message, then your domain has been forged.
-Your mail admin needs to publish a strict SPF record so that I can reject
-those forgeries instead of bugging you about them.  
-
-See http://openspf.org for details.
-
-If you need further assistance, please do not hesitate to contact me.
-
-Kind regards,
-
-postmaster@%(receiver)s

pep8.dat

@@ -0,0 +1,6 @@
+Check	Description		Justification
+E111	req indent 4		Creates more continuation lines
+E114	req indent 4 cmnt	Same
+E231	req space after ,	makes calls like print() harder to read
+E266	no ## 			Required by Doxygen
+W291	trailing spaces in cmnt	Needed for space preserving para reformat

pep8.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+ignore=`awk -F\\\\t '{ print $1 }' pep8.dat | tail -n +2`
+a=(${ignore})
+list=$(echo "${a[@]}"|tr '[ ]' '[,]')
+echo python3 -m pep8 --ignore="$list" $@

permerror.txt

@@ -1,35 +0,0 @@
-To: %(sender)s
-From: postmaster@%(receiver)s
-Subject: Critical SPF configuration error
-Auto-Submitted: auto-generated (configuration error)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-	%(rcpt)s
-
-Subject: %(subject)s 
-Received-SPF: %(spf_result)s
-
-Your spf record has a permanent error.  The error was:
-
-	%(perm_error)s
-
-We will reinterpret your record using "lax" processing heuristics
-which may result in your mail being accepted anyway.  But you or your
-mail administrator need to fix your SPF record as soon as possible.
-
-We are sending you this message to alert you to the fact that
-you have problems with your email configuration.
-
-If you need further assistance, please do not hesitate to
-contact me again.
-
-Kind regards,
-
-postmaster@%(receiver)s

pymilter-check.patch

@@ -0,0 +1,27 @@
+diff -up ./Milter/utils.py.check ./Milter/utils.py
+--- ./Milter/utils.py.check	2018-08-04 23:01:23.858668412 -0400
++++ ./Milter/utils.py	2018-08-04 23:01:39.460869588 -0400
+@@ -68,10 +68,6 @@ def iniplist(ipaddr,iplist):
+   True
+   >>> iniplist('192.168.0.45',['192.168.0.*'])
+   True
+-  >>> iniplist('4.2.2.2',['b.resolvers.Level3.net'])
+-  True
+-  >>> iniplist('2606:2800:220:1::',['example.com/40'])
+-  True
+   >>> iniplist('4.2.2.2',['nothing.example.com'])
+   False
+   >>> iniplist('2001:610:779:0:223:6cff:fe9a:9cf3',['127.0.0.1','172.20.1.0/24','2001:610:779::/48'])
+diff -up ./test.py.check ./test.py
+--- ./test.py.check	2018-08-04 23:04:58.609420815 -0400
++++ ./test.py	2018-08-04 23:05:40.070949438 -0400
+@@ -14,6 +14,8 @@ def suite():
+   return s
+ 
+ if __name__ == '__main__':
++  import sys
+   try: os.remove('test/milter.log')
+   except: pass
+-  unittest.TextTestRunner().run(suite())
++  rc = unittest.TextTestRunner().run(suite())
++  sys.exit(len(rc.failures))

pymilter.spec

@@ -0,0 +1,300 @@
+# we don't want to provide private python extension libs
+%global sum Python interface to sendmail milter API
+%global __provides_exclude_from ^(%{python2_sitearch})/.*\\.so$
+%if 0%{?epel} == 7
+%global python3 python36
+%else
+%global python3 python3
+%endif
+
+Summary: %{sum}
+Name: python-pymilter
+Version: 1.0.4
+Release: 1%{?dist}
+Url: http://bmsi.com/pymilter
+Source: https://github.com/sdgathman/pymilter/archive/pymilter-%{version}.tar.gz
+#Source1: tmpfiles-python-pymilter.conf
+# remove unit tests that require network for check
+Patch: pymilter-check.patch
+License: GPLv2+
+Group: Development/Libraries
+BuildRequires: python2-devel, %{python3}-devel, sendmail-devel >= 8.13
+# python-2.6.4 gets RuntimeError: not holding the import lock
+# Need python2.6 specific pydns, not the version for system python
+BuildRequires:  gcc
+
+%global _description\
+This is a python extension module to enable python scripts to\
+attach to sendmail's libmilter functionality.  Additional python\
+modules provide for navigating and modifying MIME parts, sending\
+DSNs, and doing CBV.
+
+%description %_description
+
+%package -n python2-pymilter
+Summary: %{sum}
+%if 0%{?epel} >= 6
+Requires: python-pydns
+%else
+Requires: python2-pydns
+%endif
+Requires: %{name}-common = %{version}-%{release}
+%{?python_provide:%python_provide python2-pymilter}
+
+%description -n python2-pymilter %_description
+
+%package -n %{python3}-pymilter
+Summary: %{sum}
+%if 0%{?fedora} >= 26
+Requires: %{python3}-py3dns
+%endif
+Requires: %{name}-common = %{version}-%{release}
+%{?python_provide:%python_provide %{python3}-pymilter}
+
+%description -n %{python3}-pymilter %_description
+
+%package common
+Summary: Common files and directories for python milters
+BuildArch: noarch
+
+%description common
+Common files and directories used for python milters
+
+%package selinux
+Summary: SELinux policy module for pymilter
+Group: System Environment/Base
+Requires: policycoreutils, selinux-policy-targeted
+Requires: %{name} = %{version}-%{release}
+BuildArch: noarch
+BuildRequires: policycoreutils, checkpolicy, selinux-policy-devel
+%if 0%{?epel} >= 6
+BuildRequires: policycoreutils-python
+%else
+BuildRequires: policycoreutils-python-utils
+%endif
+
+%description selinux
+Give sendmail_t additional access to stream sockets used to communicate
+with milters.
+
+%prep
+%setup -q -n pymilter-pymilter-%{version}
+#patch -p1 -b .check
+
+%build
+%py2_build
+%py3_build
+checkmodule -m -M -o pymilter.mod pymilter.te
+semodule_package -o pymilter.pp -m pymilter.mod
+
+%install
+%py2_install 
+%py3_install 
+
+mkdir -p %{buildroot}/run/milter
+mkdir -p %{buildroot}%{_localstatedir}/log/milter
+mkdir -p %{buildroot}%{_libexecdir}/milter
+#mkdir -p %{buildroot}%{_prefix}/lib/tmpfiles.d
+#install -m 0644 %{SOURCE1} %{buildroot}%{_prefix}/lib/tmpfiles.d/%{name}.conf
+
+# install selinux modules
+mkdir -p %{buildroot}%{_datadir}/selinux/targeted
+cp -p pymilter.pp %{buildroot}%{_datadir}/selinux/targeted
+
+%check
+py2path=$(ls -d build/lib.linux-*-2.*)
+py3path=$(ls -d build/lib.linux-*-3.*)
+PYTHONPATH=${py2path}:. python2 test.py &&
+PYTHONPATH=${py3path}:. python3 test.py
+
+%files -n python2-pymilter
+%license COPYING
+%doc README ChangeLog NEWS TODO CREDITS sample.py milter-template.py
+%{python2_sitearch}/*
+
+%files -n %{python3}-pymilter
+%license COPYING
+%doc README ChangeLog NEWS TODO CREDITS sample.py milter-template.py
+%{python3_sitearch}/*
+
+%files common
+%dir %{_libexecdir}/milter
+%{_prefix}/lib/tmpfiles.d/%{name}.conf
+%dir %attr(0755,mail,mail) %{_localstatedir}/log/milter
+%dir %attr(0755,mail,mail) /run/milter
+
+%files selinux
+%doc pymilter.te
+%{_datadir}/selinux/targeted/*
+
+%post selinux
+%{_sbindir}/semodule -s targeted -i %{_datadir}/selinux/targeted/pymilter.pp \
+        &>/dev/null || :
+
+%postun selinux
+if [ $1 -eq 0 ] ; then
+%{_sbindir}/semodule -s targeted -r pymilter &> /dev/null || :
+fi
+
+%changelog
+* Wed Apr 17 2019 Stuart Gathman <stuart@gathman.org> - 1.0.4-1
+- New upstream release: cleanup unused files, additional platform support
+- Minor doc updates
+
+* Sun Dec 23 2018 Stuart Gathman <stuart@gathman.org> - 1.0.3-1
+- New upstream release
+- patch step for python3 no longer required in build
+
+* Sat Aug  4 2018 Stuart Gathman <stuart@gathman.org> - 1.0.2-4
+- Add unit tests to %%check
+
+* Sat Aug  4 2018 Stuart Gathman <stuart@gathman.org> - 1.0.2-3
+- use libexec instead of libdir
+
+* Sat Aug  4 2018 Stuart Gathman <stuart@gathman.org> - 1.0.2-2
+- add python34 subpackage on el7
+
+* Sat Aug  4 2018 Stuart Gathman <stuart@gathman.org> - 1.0.2-1
+- build for both python2 and python3
+- add selinux policy allowing sendmail_t access to milters
+
+* Tue Jul 17 2018 Miro Hrončok <mhroncok@redhat.com> - 1.0-13
+- Update Python macros to new packaging standards
+  (See https://fedoraproject.org/wiki/Changes/Move_usr_bin_python_into_separate_package)
+
+* Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-12
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
+
+* Fri Feb 09 2018 Iryna Shcherbina <ishcherb@redhat.com> - 1.0-11
+- Update Python 2 dependency declarations to new packaging standards
+  (See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3)
+
+* Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-10
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
+* Fri Feb 09 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.0-9
+- Escape macros in %%changelog
+
+* Sat Aug 19 2017 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 1.0-8
+- Python 2 binary package renamed to python2-pymilter
+  See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3
+
+* Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-7
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
+
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+>>>>>>> 021796e51e5919812f1c300d1830ef9ed378db2d
+
+* Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
+
+* Tue Jul 19 2016 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0-4
+- https://fedoraproject.org/wiki/Changes/Automatic_Provides_for_Python_RPM_Packages
+
+* Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
+
+* Thu Jun 18 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
+
+* Sat Sep 27 2014 Paul Wouters <pwouters@redhat.com> - 1.0-1
+- Updated to 1.0
+- Use tmpfiles and /run
+
+* Sun Aug 17 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.9.8-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
+
+* Sat Jun 07 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.9.8-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
+* Fri Jan 10 2014 Paul Wouters <pwouters@redhat.com> - 0.9.8-4
+- Add COPYING
+- Fix buildroot macros and dist macro
+
+* Fri Jan 10 2014 Paul Wouters <pwouters@redhat.com> - 0.9.8-3
+- rebuilt with proper file permission
+
+* Tue Jan 07 2014 Paul Wouters <pwouters@redhat.com> - 0.9.8-2
+- Fixup for fedora release
+
+* Sat Mar  9 2013 Stuart Gathman <stuart@bmsi.com> 0.9.8-1
+- Add Milter.test module for unit testing milters.
+- Fix typo that prevented setsymlist from being active.
+- Change untrapped exception message to:
+- "pymilter: untrapped exception in milter app"
+
+* Sat Feb 25 2012 Stuart Gathman <stuart@bmsi.com> 0.9.7-1
+- Raise RuntimeError when result != CONTINUE for @noreply and @nocallback
+- Remove redundant table in miltermodule
+- Fix CNAME chain duplicating TXT records in Milter.dns (from pyspf).
+
+* Sat Feb 25 2012 Stuart Gathman <stuart@bmsi.com> 0.9.6-1
+- Raise ValueError on unescaped '%%' passed to setreply
+- Grace time at end of Greylist window
+
+* Fri Aug 19 2011 Stuart Gathman <stuart@bmsi.com> 0.9.5-1
+- Print milter.error for invalid callback return type.
+  (Since stacktrace is empty, the TypeError exception is confusing.)
+- Fix milter-template.py
+- Tweak Milter.utils.addr2bin and Milter.dynip to handle IP6
+
+* Tue Mar 02 2010 Stuart Gathman <stuart@bmsi.com> 0.9.4-1
+- Handle IP6 in Milter.utils.iniplist()
+- python-2.6
+
+* Thu Jul 02 2009 Stuart Gathman <stuart@bmsi.com> 0.9.3-1
+- Handle source route in Milter.utils.parse_addr()
+- Fix default arg in chgfrom.
+- Disable negotiate callback for libmilter < 8.14.3 (1,0,1)
+
+* Tue Jun 02 2009 Stuart Gathman <stuart@bmsi.com> 0.9.2-3
+- Change result of @noreply callbacks to NOREPLY when so negotiated.
+
+* Tue Jun 02 2009 Stuart Gathman <stuart@bmsi.com> 0.9.2-2
+- Cache callback negotiation
+
+* Thu May 28 2009 Stuart Gathman <stuart@bmsi.com> 0.9.2-1
+- Add new callback support: data,negotiate,unknown
+- Auto-negotiate protocol steps 
+
+* Thu Feb 05 2009 Stuart Gathman <stuart@bmsi.com> 0.9.1-1
+- Fix missing address of optional param to addrcpt
+
+* Wed Jan 07 2009 Stuart Gathman <stuart@bmsi.com> 0.9.0-4
+- Stop using INSTALLED_FILES to make Fedora happy
+- Remove config flag from start.sh glue
+- Own /var/log/milter
+- Use _localstatedir
+
+* Wed Jan 07 2009 Stuart Gathman <stuart@bmsi.com> 0.9.0-2
+- Changes to meet Fedora standards
+
+* Mon Nov 24 2008 Stuart Gathman <stuart@bmsi.com> 0.9.0-1
+- Split pymilter into its own CVS module
+- Support chgfrom and addrcpt_par
+- Support NS records in Milter.dns
+
+* Mon Aug 25 2008 Stuart Gathman <stuart@bmsi.com> 0.8.10-2
+- /var/run/milter directory must be owned by mail
+
+* Mon Aug 25 2008 Stuart Gathman <stuart@bmsi.com> 0.8.10-1
+- improved parsing into email and fullname (still 2 self test failures)
+- implement no-DSN CBV, reduce full DSNs
+
+* Mon Sep 24 2007 Stuart Gathman <stuart@bmsi.com> 0.8.9-1
+- Use ifarch hack to build milter and milter-spf packages as noarch
+- Remove spf dependency from dsn.py, add dns.py
+
+* Fri Jan 05 2007 Stuart Gathman <stuart@bmsi.com> 0.8.8-1
+- move AddrCache, parse_addr, iniplist to Milter package
+- move parse_header to Milter.utils
+- fix plock for missing source and can't change owner/group
+- split out pymilter and pymilter-spf packages
+- move milter apps to /usr/lib/pymilter
+
+* Sat Nov 04 2006 Stuart Gathman <stuart@bmsi.com> 0.8.7-1
+- SPF moved to pyspf RPM
+
+* Tue May 23 2006 Stuart Gathman <stuart@bmsi.com> 0.8.6-2
+- Support CBV timeout

pymilter.te

@@ -0,0 +1,13 @@
+module pymilter 1.0;
+
+require {
+	type sendmail_t;
+	type var_run_t;
+	type initrc_t;
+	class sock_file { write getattr };
+	class unix_stream_socket connectto;
+}
+
+#============= sendmail_t ==============
+allow sendmail_t initrc_t:unix_stream_socket connectto;
+allow sendmail_t var_run_t:sock_file { write getattr };

quarantine.txt

@@ -1,42 +0,0 @@
-To: %(sender)s
-From: postmaster@%(receiver)s
-Subject: DELIVERY STATUS (POSSIBLE SPAM)
-Auto-Submitted: auto-generated (content analysis)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-       %(rcpt)s
-
-Subject: %(subject)s
-Received-SPF: %(spf_result)s
-
-A statistical analysis of your message has classified it as junk mail,
-and it has been quarantined.  Eventually, the recipients will review
-their quarantined mail and may notice your message.  If your message is
-important, please contact them via other means.  You may also try sending
-them a simple plain text message.
-
-If you never sent the above message, then your domain, %(sender_domain)s,
-was forged - i.e. used without your knowlege or authorization by
-someone attempting to steal your mail identity.  This is a very
-serious problem, and you need to provide authentication for your
-SMTP (email) servers to prevent criminals from forging your
-domain.  The simplest step is usually to publish an SPF record
-with your Sender Policy.  
-
-For more information, see: http://www.openspf.org
-
-Your mail admin needs to publish a strict SPF record so that I can reject
-those forgeries instead of bugging you with them.
-
-If you need further assistance, please do not hesitate to contact me.
-
-Kind regards,
-
-postmaster@%(receiver)s

rejects.py

@@ -1,38 +0,0 @@
-# Analyze milter log to find abusers
-
-fp = open('/var/log/milter/milter.log','r')
-subdict = {}
-ipdict = {}
-spamcnt = {}
-for line in fp:
-  a = line.split(None,4)
-  if len(a) < 4: continue
-  dt,tm,id,op = a[:4]
-  if op == 'Subject:':
-    if len(a) > 4: subdict[id] = a[4].rstrip()
-  elif op == 'connect':
-    ipdict[id] = a[4].rstrip()
-  elif op in ('eom','dspam'):
-    if id in subdict: del subdict[id]
-    if id in ipdict: del ipdict[id]
-  elif op in ('REJECT:','DSPAM:','SPAM:','abort'):
-    if id in subdict:
-      if id in ipdict:
-        ip = ipdict[id]
-	del ipdict[id]
-	f,host,raw = ip.split(None,2)
-	if host in spamcnt:
-	  spamcnt[host] += 1
-	else:
-	  spamcnt[host] = 1
-      else: ip = ''
-      print dt,tm,op,a[4].rstrip(),subdict[id]
-      del subdict[id]
-    else:
-      print line.rstrip()
-print len(subdict),'leftover entries'
-
-spamlist = filter(lambda x: x[1] > 1,spamcnt.items())
-spamlist.sort(lambda x,y: x[1] - y[1])
-for ip,cnt in spamlist:
-  print cnt,ip

report.py

@@ -1,138 +0,0 @@
-# Analyze milter log to find abusers
-import traceback
-import sys
-
-def parse_addr(a):
-  beg = a.find('<')
-  end = a.find('>')
-  if beg >= 0:
-    if end > beg: return a[beg+1:end]
-  return a
-
-class Connection(object):
-  def __init__(self,dt,tm,id,ip=None,conn=None):
-    self.dt = dt
-    self.tm = tm
-    self.id = id
-    if ip:
-      _,self.host,self.ip = ip.split(None,2)
-    elif conn:
-      self.ip = conn.ip
-      self.host = conn.host
-      self.helo = conn.helo
-    self.subject = None
-    self.rcpt = []
-    self.mfrom = None
-    self.helo = None
-    self.innoc = []
-    self.whitelist = False
-
-def connections(fp):
-  conndict = {}
-  termdict = {}
-  for line in fp:
-    if line.startswith('{'): continue
-    a = line.split(None,4)
-    if len(a) < 4: continue
-    dt,tm,id,op = a[:4]
-    if (id,op) == ('bms','milter'):
-      # FIXME: optionally yield all partial connections in conndict
-      conndict = {}
-      termdict = {}
-      continue
-    if id[0] == '[' and id[-1] == ']':
-      try:
-	key = int(id[1:-1])
-      except:
-        print >>sys.stderr,'bad id:',line.rstrip()
-	continue
-    else: continue
-    if op == 'connect':
-      ip = a[4].rstrip()
-      conn = Connection(dt,tm,id,ip=ip)
-      conndict[key] = conn
-    elif op in (
-	'DISCARD:','TAG:','CBV:','Large','No',
-	'NOTE:','From:','Sender:','TRAIN:'):
-      continue
-    else:
-      op = op.lower()
-      try:
-	conn = conndict[key]
-      except KeyError:
-        try:
-	  conn = termdict[key]
-	  del termdict[key]
-	  conndict[key] = conn
-	except KeyError:
-	  print >>sys.stderr,'key error:',line.rstrip()
-	  continue
-      try:
-	if op == 'subject:':
-	  if len(a) > 4:
-	    conn.subject = a[4].rstrip()
-	elif op == 'innoc:':
-	  conn.innoc.append(a[4].rstrip())
-	elif op == 'whitelist':
-	  conn.whitelist = True
-	elif op == 'x-mailer:':
-	  if len(a) > 4:
-	    conn.mailer = a[4].rstrip()
-        elif op == 'x-guessed-spf:':
-          conn.spfguess = a[4]
-	elif op == 'received-spf:':
-	  conn.spfres,conn.spfmsg = a[4].rstrip().split(None,1)
-	elif op == 'received:':
-	  conn.received = a[4].rstrip()
-	elif op == 'temp':
-	  _,conn.tempfile = a[4].rstrip().split(None,1)
-	elif op == 'srs':
-	  _,conn.srsrcpt = a[4].rstrip().split(None,1)
-	elif op == 'mail':
-	  _,conn.mfrom = a[4].rstrip().split(None,1)
-	elif op == 'rcpt':
-	  _,rcpt = a[4].rstrip().split(None,1)
-	  conn.rcpt.append(rcpt)
-	elif op == 'hello':
-	  _,conn.helo = a[4].rstrip().split(None,1)
-	elif op in ('eom','dspam','abort'):
-	  del conndict[key]
-	  conn.enddt = dt
-	  conn.endtm = tm
-	  conn.result = op
-	  yield conn
-	  termdict[key] = Connection(conn.dt,conn.tm,conn.id,conn=conn)
-	elif op in ('reject:','dspam:','tempfail:','reject','fail:','honeypot:'):
-	  del conndict[key]
-	  conn.enddt = dt
-	  conn.endtm = tm
-	  conn.result = op
-	  conn.resmsg = a[4].rstrip()
-	  yield conn
-	  termdict[key] = Connection(conn.dt,conn.tm,conn.id,conn=conn)
-	elif op in ('fp:','spam:'):
-	  del conndict[key]
-	  termdict[key] = Connection(conn.dt,conn.tm,conn.id,conn=conn)
-	else:
-	  print >>sys.stderr,'unknown op:',line.rstrip()
-      except Exception:
-	print >>sys.stderr,'error:',line.rstrip()
-        traceback.print_exc()
-
-if __name__ == '__main__':
-  import gzip
-  for fn in sys.argv[1:]:
-    if fn.endswith('.gz'):
-      fp = gzip.open(fn)
-    else:
-      fp = open(fn)
-    for conn in connections(fp):
-      if conn.rcpt and conn.mfrom:
-        for r in conn.rcpt:
-	  if r.lower().find('iancarter') > 0: break
-	else:
-	  if conn.mfrom.lower().find('iancarter') < 0: continue
-	print >>sys.stderr,conn.result,conn.dt,conn.tm,conn.id,conn.subject,parse_addr(conn.mfrom),
-	for a in conn.rcpt:
-	  print parse_addr(a),
-	print

rhsbl.m4

@@ -1,44 +0,0 @@
-divert(-1)
-#
-# Copyright (c) 2002 Derek J. Balling
-#	All rights reserved.
-#
-# Permission to use granted for all purposes. If modifications are made
-# they are requested to be sent to <dredd@megacity.org> for inclusion in future
-# versions 
-#
-# Allows (hopefully) for checking of access.db whitelisting now. This ONLY
-# works on sendmail-8.12.x ... use on any other version may require tinkering
-# by you the downloader.
-#
-# Incorporates many changes by Sergey S. Mokryshev <mokr@mokr.net>
-#
-#
-
-divert(0)
-ifdef(`_RHSBL_R_',`dnl',`dnl
-VERSIONID(`$Id$')
-define(`_RHSBL_R_',`')
-ifdef(`_DNSBL_R_',`dnl',`dnl
-LOCAL_CONFIG
-# map for DNS based blacklist lookups based on the sender RHS
-Kdnsbl host -T<TMP>')')
-divert(-1)
-define(`_RHSBL_SRV_', `_ARG_')dnl
-define(`_RHSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Mail from " $`'&{RHS} " refused by blackhole site '_RHSBL_SRV_`"',`_ARG2_')')dnl
-define(`_RHSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{RHS} " at '_RHSBL_SRV_`"',`_ARG3_')')dnl
-
-MAILER_DEFINITIONS
-
-SLocal_check_mail
-# DNS based RHS spam list blackholes.bmsi.com
-R$*			$: <?> $>CanonAddr $1
-R<?> $*<@$+.>		$: <?> $1<@$2.> $| $>SearchList <+ rhs> $| <F:$1@$2> <D:$2> <>
-R<?> $* $| <$={Accept}>	$: OKSOFAR
-R<?> $*<@$+.> $| $*	$: <?> $(dnsbl $2._RHSBL_SRV_. $: OK $) $(macro {RHS} $@ $2 $)
-R<?> OK			$: OKSOFAR
-R<?> $*<@$*>		$: OKSOFAR
-ifelse(len(X`'_ARG3_),`1',
-`R<?>$+<TMP>		$: TMPOK',
-`R<?>$+<TMP>		$#error $@ 4.7.1 $: _RHSBL_MSG_TMP_')
-R<?>$+			$#error $@ 5.7.1 $: _RHSBL_MSG_

sample.py

@@ -1,4 +1,4 @@
-
+from __future__ import print_function
 # A simple milter.
 
 # Author: Stuart D. Gathman <stuart@bmsi.com>
@@ -7,8 +7,10 @@
 
 import sys
 import os
-import StringIO
-import rfc822
+try:
+  from io import BytesIO
+except:
+  from StringIO import StringIO as BytesIO
 import mime
 import Milter
 import tempfile
@@ -21,9 +23,14 @@ class sampleMilter(Milter.Milter):
   "Milter to replace attachments poisonous to Windows with a WARNING message."
 
   def log(self,*msg):
-    print "%s [%d]" % (strftime('%Y%b%d %H:%M:%S'),self.id),
-    for i in msg: print i,
-    print
+    print("%s [%d]" % (strftime('%Y%b%d %H:%M:%S'),self.id),end=None)
+    for i in msg:
+      try:
+        print(i,end=None)
+      except UnicodeEncodeError:
+        s = i.encode(encoding='utf-8',errors='surrogateescape')
+        print(s,end=None)
+    print()
 
   def __init__(self):
     self.tempname = None
@@ -31,16 +38,25 @@ class sampleMilter(Milter.Milter):
     self.fp = None
     self.bodysize = 0
     self.id = Milter.uniqueID()
+    self.user = None
 
   # multiple messages can be received on a single connection
   # envfrom (MAIL FROM in the SMTP protocol) seems to mark the start
   # of each message.
+  @Milter.symlist('{auth_authen}')
+  @Milter.noreply
   def envfrom(self,f,*str):
-    self.log("mail from",f,str)
-    self.fp = StringIO.StringIO()
+    "start of MAIL transaction"
+    self.fp = BytesIO()
     self.tempname = None
     self.mailfrom = f
     self.bodysize = 0
+    self.user = self.getsymval('{auth_authen}')
+    self.auth_type = self.getsymval('{auth_type}')
+    if self.user:
+      self.log("user",self.user,"sent mail from",f,str)
+    else:
+      self.log("mail from",f,str)
     return Milter.CONTINUE
 
   def envrcpt(self,to,*str):
@@ -51,28 +67,31 @@ class sampleMilter(Milter.Milter):
     self.log("rcpt to",to,str)
     return Milter.CONTINUE
 
+  @Milter.decode('bytes')
   def header(self,name,val):
     lname = name.lower()
     if lname == 'subject':
 
       # even if we wanted the Taiwanese spam, we can't read Chinese
       # (delete if you read chinese mail)
-      if val.startswith('=?big5') or val.startswith('=?ISO-2022-JP'):
+      #print('val=',val.encode(errors='surrogateescape'))
+      print('val=',val)
+      if val.startswith(b'=?big5') or val.startswith(b'=?ISO-2022-JP'):
         self.log('REJECT: %s: %s' % (name,val))
 	#self.setreply('550','','Go away spammer')
         return Milter.REJECT
 
       # check for common spam keywords
-      if val.find("$$$") >= 0 or val.find("XXX") >= 0	\
-      	or val.find("!!!") >= 0 or val.find("FREE") >= 0:
+      if val.find(b"$$$") >= 0 or val.find(b"XXX") >= 0	\
+	or val.find(b"!!!") >= 0 or val.find(b"FREE") >= 0:
         self.log('REJECT: %s: %s' % (name,val))
 	#self.setreply('550','','Go away spammer')
         return Milter.REJECT
 
       # check for spam that pretends to be legal
       lval = val.lower()
-      if lval.startswith("adv:") or lval.startswith("adv.") \
-      	or lval.find('viagra') >= 0:
+      if lval.startswith(b"adv:") or lval.startswith(b"adv.") \
+	or lval.find(b'viagra') >= 0:
         self.log('REJECT: %s: %s' % (name,val))
         return Milter.REJECT
 
@@ -84,7 +103,7 @@ class sampleMilter(Milter.Milter):
 
     # check for common bulk mailers
     if lname == 'x-mailer' and \
-    	val.lower() in ('direct email','calypso','mail bomber'):
+	val.lower() in (b'direct email',b'calypso',b'mail bomber'):
       self.log('REJECT: %s: %s' % (name,val))
       #self.setreply('550','','Go away spammer')
       return Milter.REJECT
@@ -93,12 +112,12 @@ class sampleMilter(Milter.Milter):
     if lname in ('subject','x-mailer'):
       self.log('%s: %s' % (name,val))
     if self.fp:
-      self.fp.write("%s: %s\n" % (name,val))	# add header to buffer
+      self.fp.write(b"%s: %s\n" % (name.encode(),val))	# add header to buffer
     return Milter.CONTINUE
 
   def eoh(self):
     if not self.fp: return Milter.TEMPFAIL	# not seen by envfrom
-    self.fp.write("\n")
+    self.fp.write(b'\n')
     self.fp.seek(0)
     # copy headers to a temp file for scanning the body
     headers = self.fp.getvalue()
@@ -136,19 +155,16 @@ class sampleMilter(Milter.Milter):
     self.log("Temp file:",self.tempname)
     self.tempname = None	# prevent removal of original message copy
     # copy defanged message to a temp file 
-    out = tempfile.TemporaryFile()
-    try:
+    with tempfile.TemporaryFile() as out:
       msg.dump(out)
       out.seek(0)
-      msg = rfc822.Message(out)
-      msg.rewindbody()
+      msg = mime.message_from_file(out)
+      fp = BytesIO(msg.as_bytes().split(b'\n\n',1)[1])
       while 1:
-	buf = out.read(8192)
+        buf = fp.read(8192)
         if len(buf) == 0: break
         self.replacebody(buf)	# feed modified message to sendmail
       return Milter.ACCEPT	# ACCEPT modified message
-    finally:
-      out.close()
     return Milter.TEMPFAIL
 
   def close(self):
@@ -169,13 +185,13 @@ if __name__ == "__main__":
   socketname = os.getenv("HOME") + "/pythonsock"
   Milter.factory = sampleMilter
   Milter.set_flags(Milter.CHGBODY + Milter.CHGHDRS + Milter.ADDHDRS)
-  print """To use this with sendmail, add the following to sendmail.cf:
+  print("""To use this with sendmail, add the following to sendmail.cf:
 
 O InputMailFilters=pythonfilter
 Xpythonfilter,        S=local:%s
 
 See the sendmail README for libmilter.
-sample  milter startup""" % socketname
+sample  milter startup""" % socketname)
   sys.stdout.flush()
   Milter.runmilter("pythonfilter",socketname,240)
-  print "sample milter shutdown"
+  print("sample milter shutdown")

setup.cfg

@@ -1,5 +1,5 @@
 [bdist_rpm]
-python=python2.4
-doc_files=README NEWS TODO
-packager=Stuart D. Gathman <stuart@bmsi.com>
+python=python3
+doc_files=README NEWS TODO COPYING CREDITS
+packager=Stuart D. Gathman <stuart@gathman.org>
 release=1

setup.py

@@ -1,41 +1,41 @@
 import os
 import sys
-from distutils.core import setup, Extension
+from setuptools import setup, Extension
 
-# FIXME: on some versions of sendmail, smutil is renamed to sm
-# on slackware and debian, leave it out entirely.  It depends
+if sys.version < '2.6.5':
+  sys.exit('ERROR: Sorry, python 2.6.5 is required for this module.')
+
+with open("README.md", "r") as fh:
+    long_description = fh.read()
+
+# FIXME: on some versions of sendmail, smutil is renamed to sm.
+# On slackware and debian, leave it out entirely.  It depends
 # on how libmilter was built by the sendmail package.
-libs = ["milter", "smutil"]
-
-# patch distutils if it can't cope with the "classifiers" or
-# "download_url" keywords
-if sys.version < '2.2.3':
-  from distutils.dist import DistributionMetadata
-  DistributionMetadata.classifiers = None
-  DistributionMetadata.download_url = None
+#libs = ["milter", "smutil"]
+libs = ["milter"]
+libdirs = ["/usr/lib/libmilter"]    # needed for Debian
+modules = ["mime"]
 
 # NOTE: importing Milter to obtain version fails when milter.so not built
-setup(name = "pymilter", version = '0.8.8',
+setup(name = "pymilter", version = '1.0.5',
 	description="Python interface to sendmail milter API",
-	long_description="""\
-This is a python extension module to enable python scripts to
-attach to sendmail's libmilter functionality.  Additional python
-modules provide for navigating and modifying MIME parts, and
-sending DSNs or doing CBVs.
-""",
+	long_description=long_description,
 	author="Jim Niemira",
 	author_email="urmane@urmane.org",
 	maintainer="Stuart D. Gathman",
-	maintainer_email="stuart@bmsi.com",
+	maintainer_email="stuart@gathman.org",
 	license="GPL",
-	url="http://www.bmsi.com/python/milter.html",
-	py_modules=["mime"],
+	url="https://www.pymilter.org/",
+	py_modules=modules,
 	packages = ['Milter'],
 	ext_modules=[
 	  Extension("milter", ["miltermodule.c"],
+            library_dirs=libdirs,
 	    libraries=libs,
 	    # set MAX_ML_REPLY to 1 for sendmail < 8.13
-	    define_macros = [ ('MAX_ML_REPLY',32) ]
+	    define_macros = [ ('MAX_ML_REPLY',32) ],
+            # save lots of debugging time testing rfc2553 compliance
+            extra_compile_args = [ "-Werror=implicit-function-declaration" ]
 	  ),
 	],
 	keywords = ['sendmail','milter'],

softfail.txt

@@ -1,28 +0,0 @@
-To: %(sender)s
-From: postmaster@%(receiver)s
-Subject: SPF %(result)s (POSSIBLE FORGERY)
-Auto-Submitted: auto-generated (configuration error)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-       %(rcpt)s
-
-Subject: %(subject)s
-Received-SPF: %(spf_result)s
-
-Your sender policy indicated that the above email was likely forged and that
-feedback was desired for debugging.  If you are sending from a foreign ISP,
-then you may need to follow your home ISPs instructions for configuring
-your outgoing mail server.
-
-If you need further assistance, please do not hesitate to contact me.
-
-Kind regards,
-
-postmaster@%(receiver)s

spfmilter.cfg

@@ -1,20 +0,0 @@
-[milter]
-# The socket used to communicate with sendmail
-socketname = /var/run/milter/spfmiltersock
-# Name of the milter given to sendmail
-name = pyspffilter
-# Trusted relays such as secondary MXes that should not have SPF checked.
-;trusted_relay =
-# Internal networks that should not have SPF checked.
-internal_connect = 127.0.0.1,192.168.0.0/16,10.0.0.0/8
-
-# See http://www.openspf.com for more info on SPF.
-[spf]
-# Use sendmail access map or similar format for detailed spf policy.
-# SPF entries in the access map will override defaults.
-access_file = /etc/mail/access.db
-# Connections that get an SPF pass for a pretend MAIL FROM of 
-# postmaster@sometrustedforwarder.com skip SPF checks for the real MAIL FROM.
-# This is for non-SRS forwarders.  It is a simple implementation that
-# is inefficient for more than a few entries.
-;trusted_forwarder = careerbuilder.com

spfmilter.py

@@ -1,253 +0,0 @@
-# A simple SPF milter.
-# You must install pyspf for this to work.
-
-# http://www.sendmail.org/doc/sendmail-current/libmilter/docs/installation.html
-
-# Author: Stuart D. Gathman <stuart@bmsi.com>
-# Copyright 2007 Business Management Systems, Inc.
-# This code is under GPL.  See COPYING for details.
-
-import sys
-import Milter
-import spf
-import syslog
-import anydbm
-from Milter.config import MilterConfigParser
-from Milter.utils import iniplist,parse_addr
-
-syslog.openlog('spfmilter',0,syslog.LOG_MAIL)
-
-class Config(object):
-  "Hold configuration options."
-  pass
-
-def read_config(list):
-  "Return new config object."
-  cp = MilterConfigParser()
-  cp.read(list)
-  if cp.has_option('milter','datadir'):
-        os.chdir(cp.get('milter','datadir'))
-  conf = Config()
-  conf.socketname = cp.getdefault('milter','socketname', '/tmp/spfmiltersock')
-  conf.miltername = cp.getdefault('milter','name','pyspffilter')
-  conf.trusted_relay = cp.getlist('milter','trusted_relay')
-  conf.internal_connect = cp.getlist('milter','internal_connect')
-  conf.trusted_forwarder = cp.getlist('spf','trusted_relay')
-  conf.access_file = cp.getdefault('spf','access_file',None)
-  return conf
-
-class SPFPolicy(object):
-  "Get SPF policy by result from sendmail style access file."
-  def __init__(self,sender,access_file=None):
-    self.sender = sender
-    self.domain = sender.split('@')[-1].lower()
-    if access_file:
-      try: acf = anydbm.open(access_file,'r')
-      except: acf = None
-    else: acf = None
-    self.acf = acf
-
-  def getPolicy(self,pfx):
-    acf = self.acf
-    if not acf: return None
-    try:
-      return acf[pfx + self.sender]
-    except KeyError:
-      try:
-	return acf[pfx + self.domain]
-      except KeyError:
-	try:
-	  return acf[pfx]
-	except KeyError:
-	  return None
-  
-class spfMilter(Milter.Milter):
-  "Milter to check SPF.  Each connection gets its own instance."
-
-  def log(self,*msg):
-    syslog.syslog('[%d] %s' % (self.id,' '.join([str(m) for m in msg])))
-
-  def __init__(self):
-    self.mailfrom = None
-    self.id = Milter.uniqueID()
-    # we don't want config used to change during a connection
-    self.conf = config
-
-  # addheader can only be called from eom().  This accumulates added headers
-  # which can then be applied by alter_headers()
-  def add_header(self,name,val,idx=-1):
-    self.new_headers.append((name,val,idx))
-    self.log('%s: %s' % (name,val))
-
-  def connect(self,hostname,unused,hostaddr):
-    self.internal_connection = False
-    self.trusted_relay = False
-    self.hello_name = None
-    # sometimes people put extra space in sendmail config, so we strip
-    self.receiver = self.getsymval('j').strip()
-    if hostaddr and len(hostaddr) > 0:
-      ipaddr = hostaddr[0]
-      if iniplist(ipaddr,self.conf.internal_connect):
-	self.internal_connection = True
-      if iniplist(ipaddr,self.conf.trusted_relay):
-        self.trusted_relay = True
-    else: ipaddr = ''
-    self.connectip = ipaddr
-    if self.internal_connection:
-      connecttype = 'INTERNAL'
-    else:
-      connecttype = 'EXTERNAL'
-    if self.trusted_relay:
-      connecttype += ' TRUSTED'
-    self.log("connect from %s at %s %s" % (hostname,hostaddr,connecttype))
-    return Milter.CONTINUE
-
-  def hello(self,hostname):
-    self.hello_name = hostname
-    self.log("hello from %s" % hostname)
-    return Milter.CONTINUE
-
-  # multiple messages can be received on a single connection
-  # envfrom (MAIL FROM in the SMTP protocol) seems to mark the start
-  # of each message.
-  def envfrom(self,f,*str):
-    self.log("mail from",f,str)
-    if not self.hello_name:
-      self.log('REJECT: missing HELO')
-      self.setreply('550','5.7.1',"It's polite to say helo first.")
-      return Milter.REJECT
-    self.mailfrom = f
-    self.new_headers = []
-    t = parse_addr(f)
-    if len(t) == 2: t[1] = t[1].lower()
-    self.canon_from = '@'.join(t)
-    if not (self.internal_connection or self.trusted_relay) and self.connectip:
-      rc = self.check_spf()
-      if rc != Milter.CONTINUE: return rc
-    return Milter.CONTINUE
-
-  def envrcpt(self,f,*str):
-    return Milter.CONTINUE
-
-  def header(self,name,hval):
-    return Milter.CONTINUE
-
-  def eoh(self):
-    return Milter.CONTINUE
-
-  def eom(self):
-    for name,val,idx in self.new_headers:
-      try:
-	self.addheader(name,val,idx)
-      except:
-	self.addheader(name,val)	# older sendmail can't insheader
-    return Milter.CONTINUE
-
-  def close(self):
-    return Milter.CONTINUE
-
-  def check_spf(self):
-    receiver = self.receiver
-    for tf in self.conf.trusted_forwarder:
-      q = spf.query(self.connectip,'',tf,receiver=receiver,strict=False)
-      res,code,txt = q.check()
-      if res == 'pass':
-        self.log("TRUSTED_FORWARDER:",tf)
-        break
-    else:
-      q = spf.query(self.connectip,self.canon_from,self.hello_name,
-	  receiver=receiver,strict=False)
-      q.set_default_explanation(
-	'SPF fail: see http://openspf.org/why.html?sender=%s&ip=%s' % (q.s,q.i))
-      res,code,txt = q.check()
-    if res not in ('pass','temperror'):
-      if self.mailfrom != '<>':
-	# check hello name via spf unless spf pass
-	h = spf.query(self.connectip,'',self.hello_name,receiver=receiver)
-	hres,hcode,htxt = h.check()
-	if hres in ('deny','fail','neutral','softfail'):
-	  self.log('REJECT: hello SPF: %s 550 %s' % (hres,htxt))
-	  self.setreply('550','5.7.1',htxt,
-	    "The hostname given in your MTA's HELO response is not listed",
-	    "as a legitimate MTA in the SPF records for your domain.  If you",
-	    "get this bounce, the message was not in fact a forgery, and you",
-	    "should IMMEDIATELY notify your email administrator of the problem."
-	  )
-	  return Milter.REJECT
-      else:
-        hres,hcode,htxt = res,code,txt
-    else: hres = None
-
-    p = SPFPolicy(q.s,self.conf.access_file)
-
-    if res == 'fail':
-      policy = p.getPolicy('spf-fail:')
-      if not policy or policy == 'REJECT':
-	self.log('REJECT: SPF %s %i %s' % (res,code,txt))
-	self.setreply(str(code),'5.7.1',txt)
-	# A proper SPF fail error message would read:
-	# forger.biz [1.2.3.4] is not allowed to send mail with the domain
-	# "forged.org" in the sender address.  Contact <postmaster@forged.org>.
-	return Milter.REJECT
-    if res == 'softfail':
-      policy = p.getPolicy('spf-softfail:')
-      if policy and policy == 'REJECT':
-	self.log('REJECT: SPF %s %i %s' % (res,code,txt))
-	self.setreply(str(code),'5.7.1',txt)
-	# A proper SPF fail error message would read:
-	# forger.biz [1.2.3.4] is not allowed to send mail with the domain
-	# "forged.org" in the sender address.  Contact <postmaster@forged.org>.
-	return Milter.REJECT
-    elif res == 'permerror':
-      policy = p.getPolicy('spf-permerror:')
-      if not policy or policy == 'REJECT':
-	self.log('REJECT: SPF %s %i %s' % (res,code,txt))
-	# latest SPF draft recommends 5.5.2 instead of 5.7.1
-	self.setreply(str(code),'5.5.2',txt,
-	  'There is a fatal syntax error in the SPF record for %s' % q.o,
-	  'We cannot accept mail from %s until this is corrected.' % q.o
-	)
-	return Milter.REJECT
-    elif res == 'temperror':
-      policy = p.getPolicy('spf-temperror:')
-      if not policy or policy == 'REJECT':
-	self.log('TEMPFAIL: SPF %s %i %s' % (res,code,txt))
-	self.setreply(str(code),'4.3.0',txt)
-	return Milter.TEMPFAIL
-    elif res == 'neutral' or res == 'none':
-      policy = p.getPolicy('spf-neutral:')
-      if policy and policy == 'REJECT':
-        self.log('REJECT NEUTRAL:',q.s)
-	self.setreply('550','5.7.1',
-  "%s requires and SPF PASS to accept mail from %s. [http://openspf.org]"
-	  % (receiver,q.s))
-	return Milter.REJECT
-    elif res == 'pass':
-      policy = p.getPolicy('spf-pass:')
-      if policy and policy == 'REJECT':
-        self.log('REJECT PASS:',q.s)
-	self.setreply('550','5.7.1',
-		"%s has been blacklisted by %s." % (q.s,receiver))
-	return Milter.REJECT
-    self.add_header('Received-SPF',q.get_header(res,receiver),0)
-    if hres and q.h != q.o:
-      self.add_header('X-Hello-SPF',hres,0)
-    return Milter.CONTINUE
-
-if __name__ == "__main__":
-  Milter.factory = spfMilter
-  Milter.set_flags(Milter.CHGHDRS + Milter.ADDHDRS)
-  global config
-  config = read_config(['spfmilter.cfg','/etc/mail/spfmilter.cfg'])
-  miltername = config.miltername
-  socketname = config.socketname
-  print """To use this with sendmail, add the following to sendmail.cf:
-
-O InputMailFilters=%s
-X%s,        S=local:%s
-
-See the sendmail README for libmilter.
-sample spfmilter startup""" % (miltername,miltername,socketname)
-  sys.stdout.flush()
-  Milter.runmilter("pyspffilter",socketname,240)
-  print "sample spfmilter shutdown"

spfmilter.rc

@@ -1,85 +0,0 @@
-#!/bin/bash
-#
-# spfmilter	This shell script takes care of starting and stopping spfmilter.
-#
-# chkconfig: 2345 80 30
-# description: a process that checks SPF for messages sent through sendmail.
-# processname: spfmilter
-# config: /etc/mail/spfmilter.cfg
-# pidfile: /var/run/milter/spfmilter.pid
-
-python="python2.4"
-
-pidof() {
-	set - ""
-	if set - `ps -e -o pid,cmd | grep "${python} spfmilter.py"` &&
-	  [ "$2" != "grep" ]; then
-	  echo $1
-	  return 0
-	fi
-	return 1
-}
-
-# Source function library.
-. /etc/rc.d/init.d/functions
-
-[ -x /usr/lib/pymilter/start.sh ] || exit 0
-
-RETVAL=0
-prog="spfmilter"
-
-start() {
-	# Start daemons.
-
-	echo -n "Starting $prog: "
-        if ! test -d /var/run/milter; then
-		mkdir -p /var/run/milter
-		chown mail:mail /var/run/milter
-	fi
-	daemon --check milter --user mail /usr/lib/pymilter/start.sh spfmilter
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/spfmilter
-	return $RETVAL
-}
-
-stop() {
-	# Stop daemons.
-	echo -n "Shutting down $prog: "
-	killproc milter
-	RETVAL=$?
-	echo
-	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/spfmilter
-	return $RETVAL
-}
-
-# See how we were called.
-case "$1" in
-  start)
-	start
-	;;
-  stop)
-	stop
-	;;
-  restart|reload)
-	stop
-	start
-	RETVAL=$?
-	;;
-  condrestart)
-	if [ -f /var/lock/subsys/spfmilter ]; then
-	    stop
-	    start
-	    RETVAL=$?
-	fi
-	;;
-  status)
-	status spfmilter
-	RETVAL=$?
-	;;
-  *)
-	echo "Usage: $0 {start|stop|restart|condrestart|status}"
-	exit 1
-esac
-
-exit $RETVAL

start.sh

@@ -1,16 +0,0 @@
-#!/bin/sh
-appname="$1"
-script="${2:-${appname}}"
-datadir=/var/log/milter
-python="python2.4"
-exec >>${datadir}/${appname}.log 2>&1
-if test -s ${datadir}/${script}.py; then
-  cd ${datadir} # use version in log dir if it exists for debugging
-else
-  cd /usr/lib/pymilter
-fi
-
-cd /var/log/milter
-exec >>${appname}.log 2>&1
-${python} ${appname}.py &
-echo $! >/var/run/milter/${appname}.pid

strike3.txt

@@ -1,69 +0,0 @@
-To: %(sender)s
-From: postmaster@%(receiver)s
-Subject: Critical mail server configuration error
-Auto-Submitted: auto-generated (configuration error)
-
-This is an automatically generated Delivery Status Notification.
-
-THIS IS A WARNING MESSAGE ONLY.
-
-YOU DO *NOT* NEED TO RESEND YOUR MESSAGE.
-
-Delivery to the following recipients has been delayed.
-
-	%(rcpt)s
-
-Subject: %(subject)s 
-
-Someone at IP address %(connectip)s sent an email claiming
-to be from %(sender)s.  
-
-If that wasn't you, then your domain, %(sender_domain)s,
-was forged - i.e. used without your knowlege or authorization by
-someone attempting to steal your mail identity.  This is a very
-serious problem, and you need to provide authentication for your
-SMTP (email) servers to prevent criminals from forging your
-domain.  The simplest step is usually to publish an SPF record
-with your Sender Policy.  
-
-For more information, see: http://openspf.org
-
-I hate to annoy you with a DSN (Delivery Status
-Notification) from a possibly forged email, but since you
-have not published a sender policy, there is no other way
-of bringing this to your attention.
-
-If it *was* you that sent the email, then your email domain
-or configuration is in error.  If you don't know anything
-about mail servers, then pass this on to your SMTP (mail)
-server administrator.  We have accepted the email anyway, in
-case it is important, but we couldn't find anything about
-the mail submitter at %(connectip)s to distinguish it from a
-zombie (compromised/infected computer - usually a Windows
-PC).  There was no PTR record for its IP address (PTR names
-that contain the IP address don't count).  RFC2821 requires
-that your hello name be a FQN (Fully Qualified domain Name,
-i.e. at least one dot) that resolves to the IP address of
-the mail sender.  In addition, just like for PTR, we don't
-accept a helo name that contains the IP, since this doesn't
-help to identify you.  The hello name you used,
-%(heloname)s, was invalid.
-
-Furthermore, there was no SPF record for the sending domain
-%(sender_domain)s.  We even tried to find its IP in any A or
-MX records for your domain, but that failed also.  We really
-should reject mail from anonymous mail clients, but in case
-it is important, we are accepting it anyway.
-
-We are sending you this message to alert you to the fact that
-
-Either - Someone is forging your domain.
-Or - You have problems with your email configuration.
-Or - Possibly both.
-
-If you need further assistance, please do not hesitate to
-contact me again.
-
-Kind regards,
-
-postmaster@%(receiver)s

template.py

@@ -1,38 +1,38 @@
 ## To roll your own milter, create a class that extends Milter.  
-#  See the pymilter project at http://bmsi.com/python/milter.html
-#  based on Sendmail's milter API http://www.milter.org/milter_api/api.html
+#  This is a useless example to show basic features of Milter. 
+#  See the pymilter project at https://pymilter.org based 
+#  on Sendmail's milter API 
 #  This code is open-source on the same terms as Python.
 
 ## Milter calls methods of your class at milter events.
 ## Return REJECT,TEMPFAIL,ACCEPT to short circuit processing for a message.
 ## You can also add/del recipients, replacebody, add/del headers, etc.
 
+from __future__ import print_function
 import Milter
-import StringIO
+try:
+  from StringIO import StringIO as BytesIO
+except:
+  from io import BytesIO
 import time
 import email
+from email import message_from_binary_file
+from email import policy
+import mimetypes
+import os
+import sys
 from socket import AF_INET, AF_INET6
+from Milter.utils import parse_addr
+if True:
+  # for logging process - usually not needed
+  from multiprocessing import Process as Thread, Queue
+else:
+  from threading import Thread
+  from Queue import Queue
 
-def parse_addr(t):
-  """Split email into user,domain.
+logq = None
 
-  >>> parse_addr('user@example.com')
-  ['user', 'example.com']
-  >>> parse_addr('"user@example.com"')
-  ['user@example.com']
-  >>> parse_addr('"user@bar"@example.com')
-  ['user@bar', 'example.com']
-  >>> parse_addr('foo')
-  ['foo']
-  """
-  if t.startswith('<') and t.endswith('>'): t = t[1:-1]
-  if t.startswith('"'):
-    if t.endswith('"'): return [t[1:-1]]
-    pos = t.find('"@')
-    if pos > 0: return [t[1:pos],t[pos+2:]]
-  return t.split('@')
-
-class myMilter(Milter.Milter):
+class myMilter(Milter.Base):
 
   def __init__(self):  # A new instance with each new connection.
     self.id = Milter.uniqueID()  # Integer incremented with each call.
@@ -40,6 +40,7 @@ class myMilter(Milter.Milter):
   # each connection runs in its own thread and has its own myMilter
   # instance.  Python code must be thread safe.  This is trivial if only stuff
   # in myMilter instances is referenced.
+  @Milter.noreply
   def connect(self, IPname, family, hostaddr):
     # (self, 'ip068.subnet71.example.com', AF_INET, ('215.183.71.68', 4720) )
     # (self, 'ip6.mxout.example.com', AF_INET6,
@@ -80,45 +81,57 @@ class myMilter(Milter.Milter):
     self.fromparms = Milter.dictfromlist(str)	# ESMTP parms
     self.user = self.getsymval('{auth_authen}')	# authenticated user
     self.log("mail from:", mailfrom, *str)
-    self.fp = StringIO.StringIO()
+    # NOTE: self.fp is only an *internal* copy of message data.  You
+    # must use addheader, chgheader, replacebody to change the message
+    # on the MTA.
+    self.fp = BytesIO()
     self.canon_from = '@'.join(parse_addr(mailfrom))
-    self.fp.write('From %s %s\n' % (self.canon_from,time.ctime()))
+    self.fp.write(b'From %s %s\n' % (self.canon_from.encode(),
+        time.ctime().encode()))
     return Milter.CONTINUE
 
 
   ##  def envrcpt(self, to, *str):
-  def envrcpt(self, recipient, *str):
+  @Milter.noreply
+  def envrcpt(self, to, *str):
     rcptinfo = to,Milter.dictfromlist(str)
     self.R.append(rcptinfo)
     
     return Milter.CONTINUE
 
 
+  @Milter.noreply
   def header(self, name, hval):
-    self.fp.write("%s: %s\n" % (name,hval))	# add header to buffer
+    self.fp.write(b'%s: %s\n' % (name.encode(),hval.encode()))	# add header to buffer
     return Milter.CONTINUE
 
-
+  @Milter.noreply
   def eoh(self):
-    self.fp.write("\n")				# terminate headers
+    self.fp.write(b'\n')				# terminate headers
     return Milter.CONTINUE
 
-
+  @Milter.noreply
   def body(self, chunk):
     self.fp.write(chunk)
     return Milter.CONTINUE
 
-
   def eom(self):
     self.fp.seek(0)
-    msg = email.message_from_file(self.fp)
-    self.setreply('250','2.5.1','Grokked by pymilter')
+    msg = email.message_from_binary_file(self.fp, policy=policy.default)
+
+    #example on how to iterate through attachments
+    for attachment in msg.iter_attachments():
+      #attachment holds the attachment object so that it can be used with a new MIMEMultipart() message
+      self.log("Attachment filename is %s" % (attachment.get_filename(),))
+      self.log("Attachment content/type is %s" % (attachment.get_content_type(),))
+      data = attachment.get_content()
+      self.log("Attachment content is %s" % (data,))
+    
     # many milter functions can only be called from eom()
     # example of adding a Bcc:
     self.addrcpt('<%s>' % 'spy@example.com')
     return Milter.ACCEPT
 
-
   def close(self):
     # always called, even when abort is called.  Clean up
     # any external resources here.
@@ -131,25 +144,51 @@ class myMilter(Milter.Milter):
   ## === Support Functions ===
 
   def log(self,*msg):
-    print "%s [%d]" % (time.strftime('%Y%b%d %H:%M:%S'),self.id),
-    # 2005Oct13 02:34:11 [1] msg1 msg2 msg3 ...
-    for i in msg: print i,
-    print
+    t = (msg,self.id,time.time())
+    if logq:
+      logq.put(t)
+    else:
+      # logmsg(*t)
+      pass
 
+def logmsg(msg,id,ts):
+    print("%s [%d]" % (time.strftime('%Y%b%d %H:%M:%S',time.localtime(ts)),id),
+        end=None)
+    # 2005Oct13 02:34:11 [1] msg1 msg2 msg3 ...
+    for i in msg: print(i,end=None)
+    print()
+    sys.stdout.flush()
+
+def background():
+  while True:
+    t = logq.get()
+    if not t: break
+    logmsg(*t)
 
 ## ===
     
 def main():
+  bt = Thread(target=background)
+  bt.start()
+  # This is NOT a good socket location for production, it is for 
+  # playing around.  I suggest /var/run/milter/myappnamesock for production.
+  socketname = os.path.expanduser('~/pythonsock')
+  timeout = 600
   # Register to have the Milter factory create instances of your class:
   Milter.factory = myMilter
   flags = Milter.CHGBODY + Milter.CHGHDRS + Milter.ADDHDRS
   flags += Milter.ADDRCPT
   flags += Milter.DELRCPT
   Milter.set_flags(flags)       # tell Sendmail which features we use
-  print "%s milter startup" % time.strftime('%Y%b%d %H:%M:%S')
+  print("%s milter startup" % time.strftime('%Y%b%d %H:%M:%S'))
   sys.stdout.flush()
   Milter.runmilter("pythonfilter",socketname,timeout)
-  print "%s bms milter shutdown" % time.strftime('%Y%b%d %H:%M:%S')
+  logq.put(None)
+  bt.join()
+  print("%s bms milter shutdown" % time.strftime('%Y%b%d %H:%M:%S'))
 
 if __name__ == "__main__":
+  # You probably do not need a logging process, but if you do, this
+  # is one way to do it.
+  logq = Queue(maxsize=4)
   main()

test.py

@@ -1,16 +1,20 @@
 import unittest
-import testbms
 import testmime
 import testsample
 import testutils
+import testgrey
+import testcfg
+import testpolicy
 import os
 
 def suite(): 
   s = unittest.TestSuite()
-  s.addTest(testbms.suite())
   s.addTest(testmime.suite())
   s.addTest(testsample.suite())
   s.addTest(testutils.suite())
+  s.addTest(testgrey.suite())
+  s.addTest(testcfg.suite())
+  s.addTest(testpolicy.suite())
   return s
 
 if __name__ == '__main__':

test/access

@@ -0,0 +1,9 @@
+SPF-Pass:example.com	OK
+SPF-Neutral:example.com	REJECT
+HELO-Neutral:example.com        OK
+SPF-Permerror:foo@bad.example.com	OK
+SPF-Permerror:	REJECT
+SMTP-Auth:good@example.com      OK
+SMTP-Auth:example.com      REJECT
+SMTP-Auth:bad@localhost.localdomain     REJECT
+SMTP-Test:      REJECT

test/amazon

@@ -1,710 +0,0 @@
-From stuart@bmsi.com  Wed May  1 14:37:14 2002
-Return-Path: <stuart@bmsi.com>
-Received: from bmsi.com (IDENT:stuart@localhost [127.0.0.1])
-	by gathman.bmsi.com (8.11.6/8.11.6) with ESMTP id g41IbCF01796
-	for <stuart@gathman.bmsi.com>; Wed, 1 May 2002 14:37:13 -0400
-Sender: stuart@gathman.bmsi.com
-Message-ID: <3CD035D7.18ADF27F@bmsi.com>
-Date: Wed, 01 May 2002 14:37:11 -0400
-From: "Stuart D. Gathman" <stuart@bmsi.com>
-Organization: Business Management Systems, Inc.
-X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.4.9-21 i586)
-X-Accept-Language: en
-MIME-Version: 1.0
-To: stuart@gathman.bmsi.com
-Subject: Amazon.com--Earth's Biggest Selection
-Content-Type: multipart/mixed;
- boundary="------------59A46341C90BA737DD47867B"
-
-This is a multi-part message in MIME format.
---------------59A46341C90BA737DD47867B
-Content-Type: multipart/alternative;
- boundary="------------0B098FB91956AC123C61B151"
-
-
---------------0B098FB91956AC123C61B151
-Content-Type: text/plain; charset=us-ascii
-Content-Transfer-Encoding: 7bit
-
-http://www.amazon.com/exec/obidos/subst/home/redirect.html/103-3111065-2579065
-
---
-              Stuart D. Gathman
-Business Management Systems Inc.  Phone: 703 591-0911 Fax: 703 591-6154
-"Confutatis maledictis, flamis acribus addictis" - background song for
-a Microsoft sponsored "Where do you want to go from here?" commercial.
-
-
-
---------------0B098FB91956AC123C61B151
-Content-Type: text/html; charset=us-ascii
-Content-Transfer-Encoding: 7bit
-
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<A HREF="http://www.amazon.com/exec/obidos/subst/home/redirect.html/103-3111065-2579065">http://www.amazon.com/exec/obidos/subst/home/redirect.html/103-3111065-2579065</A>
-<pre>--&nbsp;
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stuart D. Gathman&nbsp;<stuart@bmsi.com>
-Business Management Systems Inc.&nbsp; Phone: 703 591-0911 Fax: 703 591-6154
-"Confutatis maledictis, flamis acribus addictis" - background song for
-a Microsoft sponsored "Where do you want to go from here?" commercial.</pre>
-&nbsp;</html>
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-<br clear=all><p>
-<A href="http://www.amazon.com/exec/obidos/ilm-redirect/103-3111065-2579065?append-uid=no&path=http://www.amazon.com/exec/obidos/tg/browse/-/283155/ref=ilm_rc_285799/103-3111065-2579065&message=285799,m1,27">
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-<table border=0 cellpadding=2 cellspacing=0 width=100% bgcolor=#ffffff vspace=0>
-<tr><td valign=top align=center>
-<img src="http://g-images.amazon.com/images/G/01/icons/uparrow_green2.gif" width=13 height=11 alt="Up">
-</td>
-<td valign=top>
-<font color=#339900 face=verdana,arial,helvetica size=-1><b>974%</b></font> </td></tr>
-<tr><td valign=top align=left>
-<img src="http://g-images.amazon.com/images/G/01/icons/small-blue-dvd-icon.gif" width=18 height=18 border=0 alt=Icon >
-</td>
-<td valign=top>
-<font face=verdana,arial,helvetica size=-1><a href=/exec/obidos/tg/new-for-you/movers-and-shakers/-/dvd/ref=pd_gw_msd2/103-3111065-2579065>Dorothy L. Sayers Mysteries (Strong Poison / Have His Carcass / Gaudy Night)</a>
-<font face=verdana,arial,helvetica size=-1>
-<b>DVD</b>
-<br>~ Dorothy L. Sayers
-</font>
-</font>
-</td></tr>
-<tr><td valign=top align=center>
-<img src="http://g-images.amazon.com/images/G/01/icons/uparrow_green2.gif" width=13 height=11 alt="Up">
-</td>
-<td valign=top>
-<font color=#339900 face=verdana,arial,helvetica size=-1><b>2,415%</b></font> </td></tr>
-<tr><td valign=top align=left>
-<img src="http://g-images.amazon.com/images/G/01/icons/small-blue-books-icon.gif" width=18 height=18 border=0 alt=Icon >
-</td>
-<td valign=top>
-<font face=verdana,arial,helvetica size=-1><a href=/exec/obidos/tg/new-for-you/movers-and-shakers/-/books/ref=pd_gw_msb2/103-3111065-2579065>Artemis Fowl</a>
-<br><font face=verdana,arial,helvetica size=-1>by Eoin Colfer</font>
-</font>
-</td></tr>
-<tr><td colspan=2>
-<img src="http://g-images.amazon.com/images/G/01/icons/orange-arrow.gif" width=10 height=9 border=0> <font face=verdana,arial,helvetica size=-1><b><a href=/exec/obidos/tg/new-for-you/movers-and-shakers/-/books/ref=pd_gw_msgr/103-3111065-2579065>More Movers & Shakers</a></b>
-<br>
-</td></tr></table>
-</td></tr></table>
-</td></tr></table>
-</td></tr></table>
-<br clear="all">
-<center>
-<form method="post" action="/exec/obidos/search-handle-form/103-3111065-2579065">
-<table border=0 width=100% cellpadding=1 cellspacing=0 bgcolor=#999999>
-<tr><td>
-<table border=0 width=100% bgcolor=#ffffff cellspacing=0 cellpadding=5 class="small">
-<tr valign=top><td width=33% class="small">
-<b>Where's My Stuff?</b><br>
-&#149; Track your <a href="/exec/obidos/flex-sign-in/ref=hy_f_1/103-3111065-2579065?opt=ab&page=help/ya-sign-in-secure.html&response=order-history-filtered&method=POST&ss-order-filter=wheres-my-stuff&return-url=order-history-filtered">recent orders</a>.<br>
-&#149; View or change your orders in <a href="/exec/obidos/account-access-login/ref=hy_f_2/103-3111065-2579065">Your Account</a>.
-<script language="JavaScript1.1" type="text/javascript">
-<!--
-var agt=navigator.userAgent.toLowerCase();
-var is_major = parseInt(navigator.appVersion);
-var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
-&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
-&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
-var is_gecko = (agt.indexOf('gecko') != -1);
-var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
-var is_aol = (agt.indexOf("aol") != -1);
-var is_opera = (agt.indexOf("opera") != -1);
-var is_win = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
-//-->
-</script>
-<script language="JavaScript1.1" type="text/javascript">
-<!--
-var OpenedWin;
-function openWin (URL, width, height) {
-OpenedWin = window.open(URL, "demo_window", "width="+width+",height="+height+",status=no,menubar=no,location=no,toolbar=no,directories=no,scrollbars=no");
-if (! is_aol) {
-var NewX = (screen.availWidth/2)-(width/2);
-var NewY = (screen.availHeight/2)-(height/2);
-OpenedWin.moveTo(NewX, NewY);
-NewX = null;
-NewY = null;
-}
-}
-function launch (URL, width, height) {
-if (!URL || !width || !height) {
-alert("Error");
-} else if (width>screen.availWidth || height>screen.availHeight) {
-var message;
-message = "Your screen resolution is too low to display the demo.\nClick 'OK' if you wish to continue anyway.\n";
-message += '\n Your screen resolution: '+screen.width+' x '+screen.height;
-message += ' | Viewable: '+screen.availWidth+' x '+screen.availHeight;
-message += '\n Required: '+width+' x '+height;
-if (confirm(message)) {
-message = "If you can not find the close buttons, use your keyboard:\n";
-message += 'Windows: ALT+F4\n';
-message += 'Macintosh: CONTROL+W';
-alert(message);
-openWin(URL, width, height);
-}
-} else {
-openWin(URL, width, height);
-}
-}
-function displayLink(text){
-if ( is_major >= 4 && is_win && ( is_nav || is_ie || is_opera || is_gecko ) ) {
-document.write(text);
-};
-}
-//-->
-</script>
-<script language="JavaScript1.1" type="text/javascript">
-<!--
-displayLink('<br>&#149; See our <b><a href=javascript:launch(\'/exec/obidos/subst/help/demo-wms/display-demo.html/ref=hy_f_demo/103-3111065-2579065\',788,444)>animated demo</a></b>!');
-//-->
-</script>
-</td>
-<td width=33% class="small">
-<b>Shipping &amp; Returns</b><br>
-&#149; See our <a href="/exec/obidos/tg/browse/-/468520/ref=hy_f_3/103-3111065-2579065">shipping rates &amp; policies</a>.<br>
-&#149; <a href="/exec/obidos/subst/help/self-service-returns.html/ref=hy_f_4/103-3111065-2579065">Return</a> an item (here's our <a href="/exec/obidos/tg/browse/-/468532/103-3111065-2579065">Returns Policy</a>).
-</td>
-<td width=33% class="small">
-<b>Need Help?</b><br>
-&#149; Forgot your password? <a href="/exec/obidos/self-service-forgot-password-get-email/ref=hy_f_6/103-3111065-2579065">Click here</a>.
-<br>
-&#149; <a href="/exec/obidos/subst/gifts/gift-certificates/gc-redeeming.html/ref=hy_f_7/103-3111065-2579065">Redeem</a> or <a href="/exec/obidos/subst/gifts/gift-services/gift-certificates.html/ref=hy_f_8/103-3111065-2579065">buy</a> a gift certificate.<br>
-&#149; <a href="/exec/obidos/tg/browse/-/508510/ref=hy_f_9/103-3111065-2579065">Visit our Help department</a>. <br>
-</td></tr>
-</table>
-</td></tr>
-<tr><td>
-<table border=0 width=100% bgcolor=#FFCC66 cellspacing=0 cellpadding=5>
-<tr><td align=center class="small">
-<b>Search&nbsp;</b>
-<select name=index>
-<option value=blended selected>All Products
-<option value=books>Books
-<option value=music>Popular Music
-<option value=music-dd>Music Downloads
-<option value=classical>Classical Music
-<option value="dvd">DVD
-<option value="vhs">VHS
-<option value=theatrical>Movie Showtimes
-<option value=toys>Toys
-<option value=baby>Baby
-<option value=pc-hardware>Computers
-<option value=videogames>Video Games
-<option value=electronics>Electronics
-<option value=photo>Camera &amp; Photo
-<option value=software>Software
-<option value=tools>Tools &amp; Hardware
-<option value=magazines>Magazines
-<option value=garden>Outdoor Living
-<option value=kitchen>Kitchen
-<option value=travel>Travel
-<option value=wireless-phones>Cell Phones & Service
-<option value=outlet>Outlet
-<option value=auction-redirect>Auctions
-<option value=fixed-price-redirect>zShops
-</select>
-<b>&nbsp;&nbsp;for&nbsp;&nbsp;</b>
-<input type="text" name="field-keywords" size="15">&nbsp;&nbsp;
-<input type=image name="Go" value="Go!" border=0 alt="Go!" src=http://g-images.amazon.com/images/G/01/v9/search-browse/go-button-gateway.gif width=21 height=21 border=0 align=absmiddle > </td></tr></table>
-</td></tr>
-</table>
-</form>
-<p align=center>
-<b class=h1>Stuart D. Gathman, make </b><font color=#990000><b class=sans>$</b><b class=sans>310.61</b></font><br />
-<b class=sans>Sell <a href="/exec/obidos/flex-sign-in/ref=sdp_bbump_gw/103-3111065-2579065?opt=an&page=misc/login/flex-sign-in-secure.html&response=tg/stores/static/-/used/sell-your-collection/1/">your past purchases</a> at Amazon.com today!</b>
-</p>
-<table width="100%">
-<tr>
-<td width="50%" valign="top" align="left">
-<span class="small"><a href=/exec/obidos/change-style/subst/home/redirect.html/103-3111065-2579065>Text Only</a></span>
-</td>
-<td width="50%" valign="top" align="right" class="small">
-<a href="#top">Top of Page</a>
-</td>
-</tr>
-</table>
-<center>
-<p>
-<a href=/exec/obidos/subst/home/all-stores.html/ref=gw_bt_st/103-3111065-2579065>Directory of All Stores</a><p>
-Our International Sites:
-<a href="/exec/obidos/redirect-to-external-url/ref=gw_bt_uk/103-3111065-2579065?path=http%3A//www.amazon.co.uk/exec/obidos/redirect-home%3Ftag%3Dintl-usgt-ukhome-21%26site%3Damazon">United Kingdom</a>
-&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href="/exec/obidos/redirect-to-external-url/ref=gw_bt_de/103-3111065-2579065?path=http%3A//www.amazon.de/exec/obidos/redirect-home%3Ftag%3Dintl-usgt-dehome-21%26site%3Dhome">Germany</a>
-&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href="/exec/obidos/redirect-to-external-url/ref=gw_bt_jp/103-3111065-2579065?path=http%3A//www.amazon.co.jp/exec/obidos/redirect-home%3Ftag%3Dintl-usgatew-jphome-22%26site%3Damazon">Japan</a>
-&nbsp;&nbsp|&nbsp;&nbsp;
-<a href="/exec/obidos/redirect-to-external-url/ref=gw_bt_fr/103-3111065-2579065?path=http%3A//www.amazon.fr/exec/obidos/redirect-home%3Fsite%3Damazon%26tag%3Dusfr-gatew-footer-21">France</a>
-<p>
-<a href=/exec/obidos/tg/browse/-/508510/ref=gw_bt_he/103-3111065-2579065>Help</a>&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href=/exec/obidos/shopping-basket/ref=gw_bt_sc/103-3111065-2579065>Shopping Cart</a>&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href=/exec/obidos/account-access-login/ref=gw_bt_ya/103-3111065-2579065>Your Account</a>&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href="http://s1.amazon.com/exec/varzea/ts/announcement-list-zshops/slp/ref=gw_bt_si/103-3111065-2579065">Sell Items</a>&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href="/exec/obidos/flex-sign-in/ref=gw_bt_oc/103-3111065-2579065?opt=a&page=ordering/one-click-address-sign-in-secure.html&response=one-click-main&method=GET&return-url=one-click-main">1-Click Settings</a>
-<p>
-<a href=/exec/obidos/subst/misc/company-info.html/ref=gw_bt_aa/103-3111065-2579065>About Amazon.com</a>&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href=/exec/obidos/tg/stores/job-listings/-/generic/home/103-3111065-2579065>Join Our Staff</a>&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href="/exec/obidos/subst/associates/join/associates.html/ref=gw_bt_as/103-3111065-2579065">Join Associates</a>&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href=/exec/obidos/subst/partners/direct/direct-application.html/ref=gw_bt_ad/103-3111065-2579065>Join Advantage</a>&nbsp;&nbsp;|&nbsp;&nbsp;
-<a href="http://s1.amazon.com/exec/varzea/subst/fx/home.html/ref=gw_bt_hs/103-3111065-2579065">Join Honor System</a>
-</center>
-<center>
-<p>
-<div class="tiny" align=center>
-<A HREF="/exec/obidos/subst/misc/policy/conditions-of-use.html/103-3111065-2579065">Conditions of Use</A> | <A HREF="/exec/obidos/tg/browse/-/468496/103-3111065-2579065">Privacy Notice</A> &copy; 1996-2002, Amazon.com, Inc. or its affiliates
-</div>
-</center>
-<!-- whfhYn47qD1fv3PW2R8XWAkFcMwteHFKxorD -->
-</body>
-</html>
-
---------------59A46341C90BA737DD47867B--
-

test/pysrs.cfg

@@ -0,0 +1,32 @@
+# sample SRS configuration
+[srs]
+;secret="shhhh!"
+;maxage=21
+;hashlength=5
+# if defined, SRS uses a database for opaque rewriting
+;database=/var/log/milter/srsdata
+# sign these domains using SES to prevent forged bounces instead of SRS
+;ses = localdomain1.com, localdomain2.org
+# sign these domains using SRS in signing mode to prevent forged bounces 
+;sign = localdomain1.com, localdomain2.org
+# rewrite all other domains to this domain using SRS
+;fwdomain = mydomain.com
+# additional domains to decode (reverse) srs 
+# NOTE: bms.py in milter package can also do this, as can pysrs.m4 HACK.
+;srs = otherdomain.com
+# do not rewrite mail to these domains
+;nosrs = braindeadmail.com
+# Treat these localparts as a DSN.  Lot's of braindead systems 
+# send non-DSN mail to MAIL FROM.
+;banned_users = mailer-daemon, clamav, postmaster
+
+[srsmilter]
+;datadir=/var/lib/milter
+socketname = /var/run/milter/srsmilter
+miltername = pysrsfilter
+# reject DSNs to unsigned recipients (bounce spam)
+reject_spoofed = true
+;trusted_relay = 1.2.3.4
+internal_connect = 192.168.*.*,127.0.0.1,::1
+# Enable outgoing SRS via CHGFROM (see code for limitations)
+miltersrs = false

test/utf8

@@ -0,0 +1,6 @@
+From the-concourse-on-high Sat Feb  2 13:01:43 2019
+Date: Sat, 02 Feb 2019 19:48:56 +0100
+To: stuart@[IPv6:fcd9:7f8a:e050:4b48:7fd6:7fa:5509:6e26]
+Subject: 来自qq.com的退信
+
+Does you receive this email?

test/virus1

@@ -1,72 +0,0 @@
-Received: from www.bmsi.com (bmsweb.bmsi.com [219.109.11.130])
-	by bmsaix.bmsi.com (8.9.1/8.9.1) with ESMTP id FAA42304
-	for <ed@bmsi.com>; Thu, 4 May 2000 05:22:03 -0400
-Received: from camco.celestial.com (root@dagney.celestial.com [192.136.111.7])
-	by www.bmsi.com (8.9.1/8.9.1) with ESMTP id FAA21364
-	for <ed@bmsi.com>; Thu, 4 May 2000 05:22:01 -0400
-Received: (12482 bytes) by camco.celestial.com
-	via sendmail with P:stdio/D:lists/R:inet_hosts/T:smtp
-	(sender: <owner-flexfax@celestial.com> owner: <owner-flexfax-outbound>) 
-	id <m12nHjG-000eNHa@camco.celestial.com>
-	for flexfax-outbound; Thu, 4 May 2000 02:15:30 -0700 (PDT)
-	(Smail-3.2.0.111 2000-Feb-17 #1 built 2000-Apr-13)
-Received: from sgi.com(sgi.SGI.COM[192.48.153.1]) (12116 bytes) by camco.celestial.com
-	via sendmail with P:esmtp/D:aliases/T:pipe
-	(sender: <owner-flexfax@sgi.com> owner: <owner-flexfax>) 
-	id <m12nHh6-000eN7C@camco.celestial.com>
-	for <flexfax@celestial.com>; Thu, 4 May 2000 02:13:16 -0700 (PDT)
-	(Smail-3.2.0.111 2000-Feb-17 #1 built 2000-Apr-13)
-Received: from proxy.internet ([195.184.42.82]) 
-	by sgi.com (980327.SGI.8.8.8-aspam/980304.SGI-aspam:
-       SGI does not authorize the use of its proprietary
-       systems or networks for unsolicited or bulk email
-       from the Internet.) 
-	via ESMTP id CAA02330
-	for <flexfax@sgi.com>; Thu, 4 May 2000 02:13:10 -0700 (PDT)
-	mail_from (orum@ditas.dk)
-Received: from [172.16.96.14] by proxy.daab.dkproxy.internet (NTMail 4.30.0013/NU4152.00.32401f35) with ESMTP id zmlyaaaa for <flexfax@sgi.com>; Thu, 4 May 2000 11:13:09 +0200
-Received: by mars with Internet Mail Service (5.5.2650.21)
-	id <KGM63KG3>; Thu, 4 May 2000 11:11:13 +0100
-Message-ID: <9704D2AA604ED311BF6D0008C79F0A990B57BE@mars>
-From: =?iso-8859-1?Q?Peter_=D8rum?= <orum@ditas.dk>
-To: "'flexfax@sgi.com'" <flexfax@sgi.com>
-Subject: flexfax: ILOVEYOU
-Date: Thu, 4 May 2000 11:11:11 +0100 
-MIME-Version: 1.0
-X-Mailer: Internet Mail Service (5.5.2650.21)
-Content-Type: multipart/mixed;
-	boundary="----_=_NextPart_000_01BFB5B1.13228432"
-Sender: owner-flexfax@celestial.com
-Precedence: bulk
-
-This message is in MIME format. Since your mail reader does not understand
-this format, some or all of this message may not be legible.
-
-------_=_NextPart_000_01BFB5B1.13228432
-Content-Type: text/plain
-
-
-kindly check the attached LOVELETTER coming from me.
-
-
-------_=_NextPart_000_01BFB5B1.13228432
-Content-Type: application/octet-stream;
-	name="LOVE-LETTER-FOR-YOU.TXT.vbs"
-Content-Transfer-Encoding: quoted-printable
-Content-Disposition: attachment;
-	filename="LOVE-LETTER-FOR-YOU.TXT.vbs"
-
-rem  barok -loveletter(vbe) <i hate go to school>
-rem 			by: spyder  /  ispyder@mail.com  /  @GRAMMERSoft Group  /  =
-Manila,Philippines
-On Error Resume Next
-set b=3Dfso.CreateTextFile(dirsystem+"\LOVE-LETTER-FOR-YOU.HTM")
-b.close
-set d=3Dfso.OpenTextFile(dirsystem+"\LOVE-LETTER-FOR-YOU.HTM",2)
-d.write dt5
-d.write join(lines,vbcrlf)
-d.write vbcrlf
-d.write dt6
-d.close
-end sub
-------_=_NextPart_000_01BFB5B1.13228432--

test/virus13

@@ -1,127 +0,0 @@
-Received: from www.bmsi.com (bmsweb.bmsi.com [219.109.11.130])
-	by bmsaix.bmsi.com (8.12.3/8.12.2) with ESMTP id g41MmROS014480
-	for <stuart@bmsi.com>; Wed, 1 May 2002 18:48:27 -0400
-Received: from bmsred.bmsi.com (bmsred [219.109.11.50])
-	by www.bmsi.com (8.12.1/8.12.1) with ESMTP id g41MmFGR017812
-	for <stuart@bmsi.com>; Wed, 1 May 2002 18:48:15 -0400
-X-Received: from www.bmsi.com (bmsweb.bmsi.com [219.109.11.130])
-	by bmsaix.bmsi.com (8.12.3/8.12.2) with ESMTP id g41M3hOS038584
-	for <ed@bmsi.com>; Wed, 1 May 2002 18:03:43 -0400
-X-Received: from exp.dflinc.com (exppub [12.148.147.210])
-	by www.bmsi.com (8.12.1/8.12.1) with ESMTP id g41M3LGQ017812
-	for <ed@bmsi.com>; Wed, 1 May 2002 18:03:22 -0400
-X-Received: from exp.dflinc.com (exp.dflinc.com [219.109.14.1])
-	by exp.dflinc.com (8.12.1/8.12.1) with ESMTP id g41M3JGT012258
-	for <ed@bmsi.com>; Wed, 1 May 2002 17:03:19 -0500
-X-Received: from dns.intervip.psi.br (dns.intervip.psi.br [200.215.126.2])
-	by exp.dflinc.com (8.12.1/8.12.1) with ESMTP id g3NHlhGS032960
-	for <lorraine@dflinc.com>; Tue, 23 Apr 2002 12:47:44 -0500
-X-Received: from Sncpyf (adsl-fnsbnu-055-k.brt.telesc.net.br [200.180.75.55])
-	by dns.intervip.psi.br (Postfix) with SMTP id 1FAEE24D18
-	for <lorraine@dflinc.com>; Tue, 23 Apr 2002 14:50:41 -0300 (BRT)
-From: enardelli <enardelli@karsten.com.br>
-To: lorraine@dflinc.com
-Subject: A special  powful tool
-MIME-Version: 1.0
-Content-Type: multipart/alternative;
-	boundary=XQ4T5Cj14m5h2vQ69IpO4mCG
-Message-Id: <20020423175041.1FAEE24D18@dns.intervip.psi.br>
-Date: Tue, 23 Apr 2002 14:50:41 -0300 (BRT)
-X-ReSent-Date: Wed, 1 May 2002 17:03:03 -0500 (CDT)
-X-ReSent-From: Gwen Bartelle <gwenb@dflinc.com>
-X-ReSent-To: ed@bmsi.com
-X-ReSent-Subject: A special  powful tool
-X-ReSent-Message-ID: <Pine.A41.4.10.10205011703030.30638@exp.dflinc.com>
-ReSent-Date: Wed, 1 May 2002 18:47:52 -0400 (EDT)
-ReSent-From: Ed Bond <ed@bmsi.com>
-ReSent-To: Stuart Gathman <stuart@bmsi.com>
-ReSent-Subject: A special  powful tool
-ReSent-Message-ID: <Pine.LNX.4.44.0205011847520.17454@bmsred.bmsi.com>
-
---XQ4T5Cj14m5h2vQ69IpO4mCG
-Content-Type: text/html;
-Content-Transfer-Encoding: quoted-printable
-
-<HTML><HEAD></HEAD><BODY>
-<iframe src=3Dcid:Ux7VyFy7bTS9q height=3D0 width=3D0>
-</iframe>
-<FONT>Hi,This is a special  powful tool<br>
-I wish you would enjoy it.</FONT></BODY></HTML>
-
---XQ4T5Cj14m5h2vQ69IpO4mCG
-Content-Type: audio/x-midi;
-	name=hom1;tile=1;ord=3354010700499224[1].scr
-Content-Transfer-Encoding: base64
-Content-ID: <Ux7VyFy7bTS9q>
-
-TVqQAAMAAAAEAAAA//8AALgAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-CMDDePe/RHj3v5IT+r+Pe/e/kHr3v9Fv97/1Gfq/93H3v1Yc+r/3dve/oGj3v8sK+r+sx/e/
-Nyz5v7Hu+b98HD==
---XQ4T5Cj14m5h2vQ69IpO4mCG
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---XQ4T5Cj14m5h2vQ69IpO4mCG--
-
-

test/virus2

@@ -1,90 +0,0 @@
-Received: from www.bmsi.com (bmsweb.bmsi.com [219.109.11.130])
-	by bmsaix.bmsi.com (8.9.1/8.9.1) with ESMTP id QAA24094
-	for <ed@bmsi.com>; Fri, 12 Jan 2001 16:30:00 -0500
-Received: from jscaix.jsconnor.com (jscaix [209.193.177.106])
-	by www.bmsi.com (8.9.1/8.9.1) with ESMTP id QAA30044
-	for <ed@bmsi.com>; Fri, 12 Jan 2001 16:29:54 -0500
-Received: from connor.jsconnor.com (connor.jsconnor.com [192.168.100.15])
-	by jscaix.jsconnor.com (8.9.1/8.9.1) with ESMTP id QAA12022
-	for <ed@bmsi.com>; Fri, 12 Jan 2001 16:31:51 -0500
-X-Received: from goodspeed2.apical.com (ns1.apical.com [209.150.15.130])
-	by jscaix.jsconnor.com (8.9.1/8.9.1) with ESMTP id HAA36550
-	for <carrollf@jsconnor.com>; Fri, 12 Jan 2001 07:19:10 -0500
-X-Received: from SalCanino (cz-cblk-150-16-32.cyberzone.net [209.150.16.32])
-	by goodspeed2.apical.com (8.9.3/8.9.3) with SMTP id HAA14946
-	for <carrollf@jsconnor.com>; Fri, 12 Jan 2001 07:16:37 -0500
-Reply-To: <sal.canino@innovativeconcepts.com>
-From: "Sal Canino" <sal.canino@innovativeconcepts.com>
-To: "Carroll Forehand" <carrollf@jsconnor.com>
-Subject: AUTEAE
-Date: Fri, 12 Jan 2001 04:16:36 -0800
-Message-ID: <NEBBKLEPKLBIEKBANDGCIEMOCGAA.sal.canino@innovativeconcepts.com>
-MIME-Version: 1.0
-Content-Type: multipart/mixed;
-	boundary="----=_NextPart_000_0003_01C07C4E.74368FC0"
-X-Priority: 3 (Normal)
-X-MSMail-Priority: Normal
-X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0)
-Importance: Normal
-X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400
-Disposition-Notification-To: "Sal Canino" <sal.canino@innovativeconcepts.com>
-ReSent-Date: Fri, 12 Jan 2001 16:29:03 -0500 (EST)
-ReSent-From: Carroll Forehand <carrollf@jsconnor.com>
-ReSent-To: ed@bmsi.com
-ReSent-Subject: AUTEAE
-ReSent-Message-ID: <Pine.A41.4.10.10101121629001.171826@connor.jsconnor.com>
-
-This is a multi-part message in MIME format.
-
-------=_NextPart_000_0003_01C07C4E.74368FC0
-Content-Type: text/plain;
-	charset="iso-8859-1"
-Content-Transfer-Encoding: 7bit
-
-
-
-------=_NextPart_000_0003_01C07C4E.74368FC0
-Content-Type: application/octet-stream;
-	name="PEDI.JPG.vbs"
-Content-Transfer-Encoding: quoted-printable
-Content-Disposition: attachment;
-	filename="PEDI.JPG.vbs"
-
-rem  =
-=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
-=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
-=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
-=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0A=
-rem  "Plan Colombia" virus v1.0=0A=
-rem  by Sand Ja9e Gr0w   (www.colombia.com)=0A=
-=0A=
-rem  Dedicated to all the people that want to be hackers or crackers, in =
-Colombia  =0A=
-rem  This program is also a protest act against the violence and =
-corruption that Colombia lives...=0A=
-rem  I always wanting that all this finishes, I have said...=0A=
-=0A=
-=0A=
-rem  Santa fe de Bogot=E1 2000/09=0A=
-rem  I dedicate to all you the song "GoodBye" of Andreas Bochelli=0A=
-rem  =
-=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
-=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
-=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
-=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0A=
-=0A=
-=0A=
-rem  Thanks God..!=0A=
-rem  A greeting for "Lina Mar=EDa" from "Santa fe de Bogot=E1"=0A=
-rem  A greeting for "Tizo" from "Spain"=0A=
-rem  And One kicked of tail to my friends, "eL ChE" and "ThE SpY"=0A=
-=0A=
-rem  okay, ok... =0A=
-rem  my baby start here...=0A=
-=0A=
- =0A=
-On Error Resume Next=0A=
-
-------=_NextPart_000_0003_01C07C4E.74368FC0--
-
-

test/virus3

@@ -1,50 +0,0 @@
-Received: from www.bmsi.com (bmsweb.bmsi.com [219.109.11.130])
-	by bmsaix.bmsi.com (8.11.5/8.11.3) with ESMTP id f8EMUxS24174
-	for <stuart@bmsi.com>; Fri, 14 Sep 2001 18:30:59 -0400
-Received: from bmsred.bmsi.com (bmsred [219.109.11.50])
-	by www.bmsi.com (8.9.1/8.9.1) with ESMTP id SAA12740
-	for <stuart@bmsi.com>; Fri, 14 Sep 2001 18:30:58 -0400
-X-Received: from www.bmsi.com (bmsweb.bmsi.com [219.109.11.130])
-	by bmsaix.bmsi.com (8.11.5/8.11.3) with ESMTP id f8EESNW28934
-	for <ed@bmsi.com>; Fri, 14 Sep 2001 10:28:23 -0400
-X-Received: from bwi.bwicorp.com (bwi.bwicorp.com [209.116.254.106])
-	by www.bmsi.com (8.9.1/8.9.1) with ESMTP id KAA34262
-	for <ed@bmsi.com>; Fri, 14 Sep 2001 10:28:20 -0400
-X-Received: from bwicorp.com (bwi3 [192.168.3.22])
-	by bwi.bwicorp.com (8.9.1/8.9.1) with ESMTP id KAA42970
-	for <ed@bmsi.com>; Fri, 14 Sep 2001 10:33:54 -0400
-Date: Fri, 14 Sep 2001 10:33:54 -0400
-From: Mary Smith <mary@bwicorp.com>
-Message-Id: <200109141433.KAA42970@bwi.bwicorp.com>
-MIME-Version: 1.0
-Content-Type: multipart/mixed; boundary="==i3.9.0oisdboibsd((kncd"
-ReSent-Date: Fri, 14 Sep 2001 18:30:47 -0400 (EDT)
-ReSent-From: Ed Bond <ed@bmsi.com>
-ReSent-To: Stuart Gathman <stuart@bmsi.com>
-ReSent-Subject: Resent mail....
-ReSent-Message-ID: <Pine.LNX.4.33.0109141830470.13214@bmsred.bmsi.com>
-
---==i3.9.0oisdboibsd((kncd
-Content-Type: application/octet-stream; name="READER_DIGEST_LETTER.TXT.pif"
-Content-Transfer-Encoding: base64
-Content-Disposition: attachment; filename="READER_DIGEST_LETTER.TXT.pif"
-
-TVpQAAIAAAAEAA8A//8AALgAAAAAAAAAQAAaAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAAAAEAALoQAA4ftAnNIbgBTM0hkJBUaGlzIHByb2dyYW0gbXVzdCBiZSBydW4gdW5kZXIgV2lu
-MzINCiQ3AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFBFAABMAQQA5ijojgAAAAAAAAAA4ACOgQsBAhkA
-FAAAAAYAAAAAAAAAEAAAABAAAAAwAAAAAEAAABAAAAACAAABAAAAAAAAAAMACgAAAAAAAMAAAAAE
-AAAAAAAAAgAAAAAAEAAAIAAAAAAQAAAQAAAAAAAAEAAAAAAAAAAAAAAAAEAAAIoAAAAAUAAAAAYA
-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQ09ERQAAAAAA
-IAAAABAAAAAUAAAABgAAAAAAAAAAAAAAAAAAIAAA4ERBVEEAAAAAABAAAAAwAAAAAgAAABoAAAAA
-AAAAAAAAAAAAAEAAAMAuaWRhdGEAAAAQAAAAQAAAAAIAAAAcAAAAAAAAAAAAAAAAAABAAADALnJz
-cmMAAAAAgAAAAFAAAAAwAAAAHgAAAAAAAAAAAAAAAAAAQAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAA
-RDY5alLDAJCK/jLsU0G8R03PAwt5DjEcFVK3ICRNw5dh2gxwqg7aZ3VtO1ynbZr2zAD/////////
-/////6IDEwBbAAggAAAA
-
-
---==i3.9.0oisdboibsd((kncd--
-
-

test/virus4

@@ -1,60 +0,0 @@
-From mdb@go2net.com Tue Sep 18 10:31:34 2001
-Received: from www.bmsi.com (bmsweb.bmsi.com [219.109.11.130])
-	by bmsaix.bmsi.com (8.11.5/8.11.3) with ESMTP id f8IEVXM42662
-	for <stuart@bmsi.com>; Tue, 18 Sep 2001 10:31:34 -0400
-Received: from STOREULV2 (mail.indexas.no [195.70.182.114])
-	by www.bmsi.com (8.9.1/8.9.1) with SMTP id KAA27604
-	for <stuart@bmsi.com>; Tue, 18 Sep 2001 10:31:31 -0400
-Date: Tue, 18 Sep 2001 10:31:31 -0400
-From: mdb@go2net.com
-Message-Id: <200109181431.KAA27604@www.bmsi.com>
-Subject: udesktopdesktopeksempeleksempeldesktopeksempeldesktopeksempeldesktopdesktopdesktopeksempeleksempeleksempeleksempeldesktopeksempeleksempeleksempeleksempeleksempeleksempeldesktopeksempeleksempeleksempeldesktopeksempeleksempeldesktopdesktopdesktopeksempeldeskmail.bmsi.com.desktop
-MIME-Version: 1.0
-Content-Type: multipart/related;
-	type="multipart/alternative";
-	boundary="====_ABC1234567890DEF_===="
-X-Priority: 3
-X-MSMail-Priority: Normal
-X-Unsent: 1
-Status: RO
-X-Status: 
-X-Keywords:                 
-
---====_ABC1234567890DEF_====
-Content-Type: multipart/alternative;
-	boundary="====_ABC0987654321DEF_===="
-
---====_ABC0987654321DEF_====
-Content-Type: text/html;
-	charset="iso-8859-1"
-Content-Transfer-Encoding: quoted-printable
-
-
-<HTML><HEAD></HEAD><BODY bgColor=3D#ffffff>
-<iframe src=3Dcid:EA4DMGBP9p height=3D0 width=3D0>
-</iframe></BODY></HTML>
---====_ABC0987654321DEF_====--
-
---====_ABC1234567890DEF_====
-Content-Type: audio/x-wav;
-	name="readme.exe"
-Content-Transfer-Encoding: base64
-Content-ID: <EA4DMGBP9p>
-
-TVqQAAMAAAAEAAAA//8AALgAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAA2AAAAA4fug4AtAnNIbgBTM0hVGhpcyBwcm9ncmFtIGNhbm5vdCBiZSBydW4gaW4gRE9TIG1v
-ZGUuDQ0KJAAAAAAAAAA11CFvcbVPPHG1TzxxtU88E6pcPHW1TzyZqkU8dbVPPJmqSzxytU88cbVO
-PBG1TzyZqkQ8fbVPPMmzSTxwtU88UmljaHG1TzwAAAAAAAAAAMBEAWMAAAB/UEUAAEwBBQB1Oqc7
-AAAAAAAAAADgAA4BCwEGAABwAAAAYAAAAAAAALN0AAAAEAAAAIAAAAAAFzYAEAAAABAAAAQAAAAA
-AAAABAAAAAAAAAAAEAEAABAAAAAAAAACAAAAAAAQAAAQAAAAABAAABAAAAAAAAAQAAAAAAAAAAAA
-AACEgQAAUAAAAADgAACIHgAAAAAAAAAAAAAAAAAAAAAAAAAAAQA4CgAAAAAAAAAAAAAAAAAAAAAA
-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAAAIQBAAAAAAAAAAAAAAAAAAAAAAAA
-AAAAAAAAAAAudGV4dAAAAFZlAAAAEAAAAHAAAAAQAAAAAAAAAAAAAAAAAAAgAABgLnJkYXRhAAAq
-CQAAAIAAAAAQAAAAgAAAAAAAAAAAAAAAAAAAQAAAQC5kYXRhAAAAKEcAAACQAAAAIAAAAJAAAAAA
-AAAAAAAAAAAAAEAAAMAucnNyYwAAAAAgAAAA4AAAACAAAACwAAAAAAAAAAAAAAAAAABAAABALnJl
-bG9jAABGCwAAAAABAAAQAAAA0AAAAAAAAAAAAAAAAAAAQAAAQgAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAA=
-
---====_ABC1234567890DEF_====
-
-

test/virus5

@@ -1,38 +0,0 @@
-From mdb@go2net.com Tue Sep 18 10:31:34 2001
-Received: from localhost (varna148.pip.digsys.bg [193.68.1.148])
-	by danbo.digsys.bg (8.10.1/8.10.1) with SMTP id fAM7FHk06734
-	for butchc@trwonnor.com; Thu, 22 Nov 2001 09:15:18 +0200 (EET)
-From: POP - interlogvar <interlogvar@mbox.digsys.bg>
-Message-Id: <200111220715.fAM7FHk06734@danbo.digsys.bg>
-To: butchc@trwonnor.com
-Subject:  Funny shit to see ?! 
-Date: Thu,22 Nov 2001 09:16:34 -0000
-MIME-Version: 1.0
-Content-Type: multipart/mixed;
-        boundary="bound"
-	X-Priority: 3
-	X-MSMail-Priority: Normal
-	X-Mailer: Microsoft Outlook Express 5.50.4522.1300
-	X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1300
-
-This is a multi-part message in MIME format.
-
---bound
-Content-Type: text/html;
-        charset="iso-8859-1"
-Content-Transfer-Encoding: quoted-printable
-
-<HTML><HEAD></HEAD><BODY><iframe src=3Dcid:SOMECID height=3D0 width=3D0></iframe>
-<font>peace</font></BODY></HTML>
-
---bound
-Content-Type: audio/x-wav;
-        name="whatever.exe"
-Content-Transfer-Encoding: base64
-Content-ID: <SOMECID>
-
-TVoAAAIAAAACAB4AHgAAAAACAAAAAAAAAAAAAMWnLuEOH7oOALQJ
-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAA=
-
---bound--

test/virus6

@@ -1,27 +0,0 @@
-From mdb@go2net.com Tue Sep 18 10:31:34 2001
-Received: from aglnss01.grupoagrisal.net ([172.16.0.1])
-          by agntss05 (Lotus Domino Release 5.07a)
-          with ESMTP id 2001120416164050:5294 ;
-          Tue, 4 Dec 2001 16:16:40 -0600 
-Subject: MAEU XSS025786 - ORDER 1251 - CONTAINER MAEU 6053725
-To: kathyp@jsconnor.com
-Cc: Blanca@ace-of-hearts.net
-X-Mailer: Lotus Notes Release 5.07a  May 14, 2001
-Message-ID: <OF28551015.C47BCC85-ON06256B18.0079DD92@grupoagrisal.net>
-From: sherrera.dco.lc@agrisal.com
-Date: Tue, 4 Dec 2001 16:11:48 -0600
-MIME-Version: 1.0
-X-MIMETrack: Serialize by Router on AGLNSS01/AGRISAL(Release 5.07a |May 14, 2001) at 04/12/2001
- 04:11:57 p.m.,
-	Itemize by SMTP Server on aglnss03/Grupo_Agrisal(Release 5.07a |May 14, 2001) at
- 12/04/2001 04:16:41 PM,
-	Serialize by Router on aglnss03/Grupo_Agrisal(Release 5.07a |May 14, 2001) at
- 12/04/2001 04:16:51 PM
-Content-type: application/octet-stream; 
-	name="FAX20.exe"
-Content-Disposition: attachment; filename="FAX20.exe"
-Content-Transfer-Encoding: base64
-
-TVqQAAMAAAAEAAAA//8AALgAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAAKJsVAAAACIAACIAACIBr6AQA
-

test/virus7

@@ -1,62 +0,0 @@
-From pandora.owner@pandora.cz Wed Mar 24 21:02:22 2004
-Received: from pandora.cz (localhost [127.0.0.1])
-	by pandora3.mobil.cz (8.12.8/8.12.8) with ESMTP id i2O88iWu021270
-	for <stuart@bmsi.com>; Wed, 24 Mar 2004 09:08:44 +0100
-Message-Id: <200403240808.i2O88iWu021270@pandora3.mobil.cz>
-X-Sender: Pandora
-MIME-Version: 1.0
-Date: Wed, 24 Mar 2004 09:08:44 +0100
-From: "administrator@pandora.cz" <administrator@pandora.cz>
-To: "stuart@bmsi.com" <stuart@bmsi.com>
-Subject: Konferenceneexistuje
-Content-Type: multipart/mixed; boundary="Pandora3Bndry_1080115724426044878"
-
-
---Pandora3Bndry_1080115724426044878
-Content-Type: multipart/alternative; boundary="Pandora3Bndry_1080115724783315537"
-
-
---Pandora3Bndry_1080115724783315537
-Content-Type: text/plain; charset="ISO-8859-2"
-
-Konference '2003-07-46063' neexistuje.
-
---Pandora3Bndry_1080115724783315537
-Content-Type: text/html; charset="ISO-8859-2"
-
-Konference '2003-07-46063' neexistuje.
-
---Pandora3Bndry_1080115724783315537--
-
---Pandora3Bndry_1080115724426044878
-Content-Type: message/rfc822; boundary="----=_NextPart_000_0010_00000FFF.00007545"
-
-MIME-Version: 1.0
-Date: Wed, 24 Mar 2004 09:03:28 +0100
-From: "" <stuart@bmsi.com>
-To: "" <2003-07-46063@pandora.cz>
-Subject: =?ISO-8859-2?q?Re=3A_Your_software?=
-Content-Type: multipart/mixed; boundary="Pandora3Bndry_10801157231587976770"
-
-
---Pandora3Bndry_10801157231587976770
-Content-Type: text/plain; charset="Windows-1252"
-Content-Transfer-Encoding: 7bit
-
-See the attached file for details.
-
-
---Pandora3Bndry_10801157231587976770
-Content-Type: application/octet-stream; name="application.pif"
-Content-Disposition: attachment; filename="application.pif"
-Content-Transfer-Encoding: base64
-
-TVqQAAMAAAAEAAAA//8AALgAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAAAAAAuAAAAKvnXsbvhjCV74Ywle+GMJVsmj6V44YwlQeZOpX2hjCV74YxlbiGMJVsjm2V
-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-
---Pandora3Bndry_10801157231587976770--
-
---Pandora3Bndry_1080115724426044878--
-

testbms.py

@@ -1,323 +0,0 @@
-import unittest
-import doctest
-import Milter
-import bms
-import mime
-import rfc822
-import StringIO
-import email
-import sys
-#import pdb
-
-class TestMilter(bms.bmsMilter):
-
-  def __init__(self):
-    bms.bmsMilter.__init__(self)
-    self.logfp = open("test/milter.log","a")
-    self._delrcpt = []	# record deleted rcpts for testing
-    self._addrcpt = []	# record added rcpts for testing
-
-  def log(self,*msg):
-    for i in msg: print >>self.logfp, i,
-    print >>self.logfp
-
-  def getsymval(self,name):
-    if name == 'j': return 'test.milter.org'
-    return ''
-
-  def replacebody(self,chunk):
-    if self._body:
-      self._body.write(chunk)
-      self.bodyreplaced = True
-    else:
-      raise IOError,"replacebody not called from eom()"
-
-  # FIXME: rfc822 indexing does not really reflect the way chg/add header
-  # work for a milter
-  def chgheader(self,field,idx,value):
-    if not self._body:
-      raise IOError,"chgheader not called from eom()"
-    self.log('chgheader: %s[%d]=%s' % (field,idx,value))
-    if value == '':
-      del self._msg[field]
-    else:
-      self._msg[field] = value
-    self.headerschanged = True
-
-  def addheader(self,field,value):
-    if not self._body:
-      raise IOError,"addheader not called from eom()"
-    self.log('addheader: %s=%s' % (field,value))
-    self._msg[field] = value
-    self.headerschanged = True
-
-  def delrcpt(self,rcpt):
-    if not self._body:
-      raise IOError,"delrcpt not called from eom()"
-    self._delrcpt.append(rcpt)
-
-  def addrcpt(self,rcpt):
-    if not self._body:
-      raise IOError,"addrcpt not called from eom()"
-    self._addrcpt.append(rcpt)
-
-  def setreply(self,rcode,xcode,msg):
-    self.reply = (rcode,xcode,msg)
-
-  def feedFile(self,fp,sender="spam@adv.com",rcpt="victim@lamb.com"):
-    self._body = None
-    self.bodyreplaced = False
-    self.headerschanged = False
-    self.reply = None
-    msg = rfc822.Message(fp)
-    rc = self.envfrom('<%s>'%sender)
-    if rc != Milter.CONTINUE: return rc
-    rc = self.envrcpt('<%s>'%rcpt)
-    if rc != Milter.CONTINUE: return rc
-    line = None
-    for h in msg.headers:
-      if h[:1].isspace():
-	line = line + h
-	continue
-      if not line:
-	line = h
-	continue
-      s = line.split(': ',1)
-      if len(s) > 1: val = s[1].strip()
-      else: val = ''
-      rc = self.header(s[0],val)
-      if rc != Milter.CONTINUE: return rc
-      line = h
-    if line:
-      s = line.split(': ',1)
-      rc = self.header(s[0],s[1])
-      if rc != Milter.CONTINUE: return rc
-    rc = self.eoh()
-    if rc != Milter.CONTINUE: return rc
-    while 1:
-      buf = fp.read(8192)
-      if len(buf) == 0: break
-      rc = self.body(buf)
-      if rc != Milter.CONTINUE: return rc
-    self._msg = msg
-    self._body = StringIO.StringIO()
-    rc = self.eom()
-    if self.bodyreplaced:
-      body = self._body.getvalue()
-    else:
-      msg.rewindbody()
-      body = msg.fp.read()
-    self._body = StringIO.StringIO()
-    self._body.writelines(msg.headers)
-    self._body.write('\n')
-    self._body.write(body)
-    return rc
-
-  def feedMsg(self,fname,sender="spam@adv.com",rcpt="victim@lamb.com"):
-    fp = open('test/'+fname,'r')
-    rc = self.feedFile(fp,sender,rcpt)
-    fp.close()
-    return rc
-
-  def connect(self,host='localhost'):
-    self._body = None
-    self.bodyreplaced = False
-    rc =  bms.bmsMilter.connect(self,host,1,('1.2.3.4',1234)) 
-    if rc != Milter.CONTINUE and rc != Milter.ACCEPT:
-      self.close()
-      return rc
-    rc = self.hello('spamrelay')
-    if rc != Milter.CONTINUE:
-      self.close()
-    return rc
-
-class BMSMilterTestCase(unittest.TestCase):
-
-  def testDefang(self,fname='virus1'):
-    milter = TestMilter()
-    rc = milter.connect('testDefang')
-    self.assertEqual(rc,Milter.CONTINUE)
-    rc = milter.feedMsg(fname)
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    fp = milter._body
-    open('test/'+fname+".tstout","w").write(fp.getvalue())
-    #self.failUnless(fp.getvalue() == open("test/virus1.out","r").read())
-    fp.seek(0)
-    msg = mime.message_from_file(fp)
-    str = msg.get_payload(1).get_payload()
-    milter.log(str)
-    milter.close()
-
-  # test some spams that crashed our parser
-  def testParse(self,fname='spam7'):
-    milter = TestMilter()
-    milter.connect('testParse')
-    rc = milter.feedMsg(fname)
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    fp = milter._body
-    open('test/'+fname+".tstout","w").write(fp.getvalue())
-    milter.connect('pro-send.com')
-    rc = milter.feedMsg('spam8')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    rc = milter.feedMsg('bounce')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    rc = milter.feedMsg('bounce1')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    milter.close()
-
-  def testDefang2(self):
-    milter = TestMilter()
-    milter.connect('testDefang2')
-    rc = milter.feedMsg('samp1')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    rc = milter.feedMsg("virus3")
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    fp = milter._body
-    open("test/virus3.tstout","w").write(fp.getvalue())
-    #self.failUnless(fp.getvalue() == open("test/virus3.out","r").read())
-    rc = milter.feedMsg("virus6")
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    self.failUnless(milter.headerschanged,"Message headers not adjusted")
-    fp = milter._body
-    open("test/virus6.tstout","w").write(fp.getvalue())
-    milter.close()
-
-  def testDefang3(self):
-    milter = TestMilter()
-    milter.connect('testDefang3')
-    # test script removal on complex HTML attachment
-    rc = milter.feedMsg('amazon')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    fp = milter._body
-    open("test/amazon.tstout","w").write(fp.getvalue())
-    # test defanging Klez virus
-    rc = milter.feedMsg("virus13")
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    fp = milter._body
-    open("test/virus13.tstout","w").write(fp.getvalue())
-    # test script removal on quoted-printable HTML attachment
-    # sgmllib can't handle the <![if cond]> syntax
-    rc = milter.feedMsg('spam44')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/spam44.tstout","w").write(fp.getvalue())
-    milter.close()
- 
-  def testRFC822(self):
-    milter = TestMilter()
-    milter.connect('testRFC822')
-    # test encoded rfc822 attachment
-    #pdb.set_trace()
-    rc = milter.feedMsg('test8')
-    self.assertEqual(rc,Milter.ACCEPT)
-    # python2.4 doesn't scan encoded message attachments
-    if sys.hexversion < 0x02040000:
-      self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    #self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/test8.tstout","w").write(fp.getvalue())
-    rc = milter.feedMsg('virus7')
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    #self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/virus7.tstout","w").write(fp.getvalue())
-
-  def testSmartAlias(self):
-    milter = TestMilter()
-    milter.connect('testSmartAlias')
-    # test smart alias feature
-    key = ('foo@example.com','baz@bat.com')
-    bms.smart_alias[key] = ['ham@eggs.com']
-    rc = milter.feedMsg('test8',key[0],key[1])
-    self.assertEqual(rc,Milter.ACCEPT)
-    self.failUnless(milter._delrcpt == ['<baz@bat.com>'])
-    self.failUnless(milter._addrcpt == ['<ham@eggs.com>'])
-    # python2.4 email does not decode message attachments, so script
-    # is not replaced
-    if sys.hexversion < 0x02040000:
-      self.failUnless(milter.bodyreplaced,"Message body not replaced")
-
-  def testBadBoundary(self):
-    milter = TestMilter()
-    milter.connect('testBadBoundary')
-    # test rfc822 attachment with invalid boundaries
-    #pdb.set_trace()
-    rc = milter.feedMsg('bound')
-    if sys.hexversion < 0x02040000:
-      # python2.4 adds invalid boundaries to decects list and makes
-      # payload a str
-      self.assertEqual(rc,Milter.REJECT)
-      self.assertEqual(milter.reply[0],'554')
-    #self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/bound.tstout","w").write(fp.getvalue())
-
-  def testCompoundFilename(self):
-    milter = TestMilter()
-    milter.connect('testCompoundFilename')
-    # test rfc822 attachment with invalid boundaries
-    #pdb.set_trace()
-    rc = milter.feedMsg('test1')
-    self.assertEqual(rc,Milter.ACCEPT)
-    #self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    self.failIf(milter.bodyreplaced,"Message body replaced")
-    fp = milter._body
-    open("test/test1.tstout","w").write(fp.getvalue())
-
-  def testFindsrs(self):
-    if not bms.srs:
-      import SRS
-      bms.srs = SRS.new(secret='test')
-    sender = bms.srs.forward('foo@bar.com','mail.example.com')
-    sndr = bms.findsrs(StringIO.StringIO(
-"""Received: from [1.16.33.86] (helo=mail.example.com)
-	by bastion4.mail.zen.co.uk with smtp (Exim 4.50) id 1H3IBC-00013b-O9
-	for foo@bar.com; Sat, 06 Jan 2007 20:30:17 +0000
-X-Mailer: "PyMilter-0.8.5"
-	<%s> foo
-MIME-Version: 1.0
-Content-Type: text/plain
-To: foo@bar.com
-From: postmaster@mail.example.com
-""" % sender
-    ))
-    self.assertEqual(sndr,'foo@bar.com')
-
-#  def testReject(self):
-#    "Test content based spam rejection."
-#    milter = TestMilter()
-#    milter.connect('gogo-china.com')
-#    rc = milter.feedMsg('big5');
-#    self.failUnless(rc == Milter.REJECT)
-#    milter.close();
-
-def suite(): 
-  s = unittest.makeSuite(BMSMilterTestCase,'test')
-  s.addTest(doctest.DocTestSuite(bms))
-  return s
-
-if __name__ == '__main__':
-  if len(sys.argv) > 1:
-    for fname in sys.argv[1:]:
-      milter = TestMilter()
-      milter.connect('main')
-      fp = open(fname,'r')
-      rc = milter.feedFile(fp)
-      fp = milter._body
-      sys.stdout.write(fp.getvalue())
-  else:
-    #unittest.main()
-    unittest.TextTestRunner().run(suite())

testcfg.py

@@ -0,0 +1,17 @@
+import unittest
+from Milter.config import MilterConfigParser
+
+class ConfigTestCase(unittest.TestCase):
+  def testConfig(self):
+    cp = MilterConfigParser()
+    cp.read(['test/pysrs.cfg'])
+    socketname = cp.getdefault('srsmilter','socketname',
+        '/var/run/milter/srsmilter')
+    self.assertEqual(socketname,'/var/run/milter/srsmilter')
+    miltersrs = cp.getboolean('srsmilter','miltersrs')
+    self.assertFalse(miltersrs)
+
+def suite(): return unittest.makeSuite(ConfigTestCase,'test')
+
+if __name__ == '__main__':
+  unittest.main()

testgrey.py

@@ -0,0 +1,56 @@
+import unittest
+import doctest
+import os
+#from Milter.greylist import Greylist
+from Milter.greysql import Greylist
+
+class GreylistTestCase(unittest.TestCase):
+
+  def setUp(self):
+    self.fname = 'test.db'
+    if os.path.isfile(self.fname):
+      os.remove(self.fname)
+
+  def tearDown(self):
+    #os.remove(self.fname)
+    pass
+
+  def testGrey(self):
+    grey = Greylist(self.fname)
+    # first time
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com')
+    self.assertEqual(rc,0)
+    # not in window yet
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com',timeinc=5*60)
+    self.assertEqual(rc,0)
+    # within window
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com',timeinc=15*60)
+    self.assertEqual(rc,1)
+    # new triple
+    rc = grey.check('1.2.3.5','foo@bar.com','baz@spat.com',timeinc=15*60)
+    self.assertEqual(rc,0)
+    # seen again
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com',timeinc=5*3600)
+    self.assertEqual(rc,2)
+    # new one past expire
+    rc = grey.check('1.2.3.5','foo@bar.com','baz@spat.com',timeinc=6*3600)
+    self.assertEqual(rc,0)
+    # original past retain 
+    rc = grey.check('1.2.3.4','foo@bar.com','baz@spat.com',timeinc=37*24*3600)
+    self.assertEqual(rc,0)
+    # new one for testing expire
+    rc = grey.check('1.2.3.5','flub@bar.com','baz@spat.com',timeinc=20*24*3600)
+    self.assertEqual(rc,0)
+    grey.close()
+    # test cleanup
+    grey = Greylist(self.fname)
+    rc = grey.clean(timeinc=37*24*3600)
+    self.assertEqual(rc,1)
+    grey.close()
+
+def suite(): 
+  s = unittest.makeSuite(GreylistTestCase,'test')
+  return s
+
+if __name__ == '__main__':
+  unittest.TextTestRunner().run(suite())

testmime.py

@@ -1,32 +1,22 @@
-# $Log$
-# Revision 1.3  2005/06/17 01:49:39  customdesigned
-# Handle zip within zip.
-#
-# Revision 1.2  2005/06/02 15:00:17  customdesigned
-# Configure banned extensions.  Scan zipfile option with test case.
-#
-# Revision 1.1.1.2  2005/05/31 18:23:49  customdesigned
-# Development changes since 0.7.2
-#
-# Revision 1.23  2005/02/11 18:34:14  stuart
-# Handle garbage after quote in boundary.
-#
-# Revision 1.22  2005/02/10 01:10:59  stuart
-# Fixed MimeMessage.ismodified()
-#
-# Revision 1.21  2005/02/10 00:56:49  stuart
-# Runs with python2.4.  Defang not working correctly - more work needed.
-#
-# Revision 1.20  2004/11/20 16:38:17  stuart
-# Add rcs log
-#
+# @author Stuart D. Gathman <stuart@bmsi.com>
+# Copyright 2005,2009,2020 Business Management Systems, Inc.
+# This code is under the GNU General Public License.  See COPYING for details.
+from __future__ import print_function
 import unittest
 import mime
+import zipfile
 import socket
-import StringIO
+try:
+  from StringIO import StringIO
+except:
+  from io import StringIO
 import email
 import sys
-from email import Errors
+import Milter
+try:
+  from email import Errors as errors
+except:
+  from email import errors
 
 samp1_txt1 = """Dear Agent 1
 I hope you can read this.  Whenever you write label it  P.B.S kids.
@@ -37,50 +27,70 @@ hostname = socket.gethostname()
 
 class MimeTestCase(unittest.TestCase):
 
+  def setUp(self):
+    self.zf = zipfile.ZipFile('test/virus.zip','r')
+    self.zf.setpassword(b'denatured')
+
+  def tearDown(self):
+    self.zf.close()
+    self.zf = None
+
   # test mime parameter parsing
   def testParam(self):
-    plist = mime._parseparam(
-      '; boundary="----=_NextPart_000_4e56_490d_48e3"')
-    self.failUnless(len(plist)==1)
-    self.failUnless(plist[0] == 'boundary="----=_NextPart_000_4e56_490d_48e3"')
+    plist = mime._parseparam('; boundary="----=_NextPart_000_4e56_490d_48e3"')
+    plist = [ x for x in plist if x ] # py2 doesn't include empty params
+    self.assertEqual(1,len(plist))
+    self.assertTrue(plist[0] == 'boundary="----=_NextPart_000_4e56_490d_48e3"')
     plist = mime._parseparam('; name="Jim&amp;amp;Girlz.jpg"')
-    self.failUnless(len(plist)==1)
-    self.failUnless(plist[0] == 'name="Jim&amp;amp;Girlz.jpg"')
+    plist = [ x for x in plist if x ] # py2 doesn't include empty params
+    self.assertEqual(1,len(plist))
+    self.assertTrue(plist[0] == 'name="Jim&amp;amp;Girlz.jpg"')
 
   def testParse(self,fname='samp1'):
-    msg = mime.message_from_file(open('test/'+fname,"r"))
-    self.failUnless(msg.ismultipart())
+    with open('test/'+fname,"rb") as fp:
+      msg = mime.message_from_file(fp)
+    self.assertTrue(msg.ismultipart())
     parts = msg.get_payload()
-    self.failUnless(len(parts) == 2)
+    self.assertTrue(len(parts) == 2)
     txt1 = parts[0].get_payload()
-    self.failUnless(txt1.rstrip() == samp1_txt1,txt1)
-    msg = mime.message_from_file(open('test/missingboundary',"r"))
+    self.assertTrue(txt1.rstrip() == samp1_txt1,txt1)
+    with open('test/missingboundary',"rb") as fp:
+      msg = mime.message_from_file(fp)
     # should get no exception as long as we don't try to parse
     # message attachments
     mime.defang(msg,scan_rfc822=False)
-    msg.dump(open('test/missingboundary.out','w'))
-    msg = mime.message_from_file(open('test/missingboundary',"r"))
+    with open('test/missingboundary.out','wb') as fp:
+      msg.dump(fp)
+    with open('test/missingboundary',"rb") as fp:
+      msg = mime.message_from_file(fp)
     try:
       mime.defang(msg)
       # python 2.4 doesn't get exceptions on missing boundaries, and
       # if message is modified, output is readable by mail clients
       if sys.hexversion < 0x02040000:
         self.fail('should get boundary error parsing bad rfc822 attachment')
-    except Errors.BoundaryError:
+    except errors.BoundaryError:
       pass
   
   def testDefang(self,vname='virus1',part=1,
 	fname='LOVE-LETTER-FOR-YOU.TXT.vbs'):
-    msg = mime.message_from_file(open('test/'+vname,"r"))
+    try:
+      with self.zf.open(vname,"r") as fp:
+        msg = mime.message_from_file(fp)
+    except KeyError:
+      with open('test/'+vname,"rb") as fp:
+        msg = mime.message_from_file(fp)
     mime.defang(msg,scan_zip=True)
-    self.failUnless(msg.ismodified(),"virus not removed")
+    self.assertTrue(msg.ismodified(),"virus not removed")
     oname = vname + '.out'
-    msg.dump(open('test/'+oname,"w"))
-    msg = mime.message_from_file(open('test/'+oname,"r"))
+    with open('test/'+oname,"wb") as fp:
+      msg.dump(fp)
+    with open('test/'+oname,"rb") as fp:
+      msg = mime.message_from_file(fp)
     txt2 = msg.get_payload()
     if type(txt2) == list:
       txt2 = txt2[part].get_payload()
-    self.failUnless(
+    self.assertTrue(
       txt2.rstrip()+'\n' == mime.virus_msg % (fname,hostname,None),txt2)
 
   def testDefang3(self):
@@ -96,58 +106,121 @@ class MimeTestCase(unittest.TestCase):
 
   # virus6 has no parts - the virus is directly inline
   def testDefang6(self,vname="virus6",fname='FAX20.exe'):
-    msg = mime.message_from_file(open('test/'+vname,"r"))
+    with self.zf.open(vname,"r") as fp:
+      msg = mime.message_from_file(fp)
     mime.defang(msg)
     oname = vname + '.out'
-    msg.dump(open('test/'+oname,"w"))
-    msg = mime.message_from_file(open('test/'+oname,"r"))
-    self.failIf(msg.ismultipart())
+    with open('test/'+oname,"wb") as fp:
+      msg.dump(fp)
+    with open('test/'+oname,"rb") as fp:
+      msg = mime.message_from_file(fp)
+    self.assertFalse(msg.ismultipart())
     txt2 = msg.get_payload()
-    self.failUnless(txt2 == mime.virus_msg % \
+    self.assertTrue(txt2 == mime.virus_msg % \
 	(fname,hostname,None),txt2)
 
   # honey virus has a sneaky ASP payload which is parsed correctly
   # by email package in python-2.2.2, but not by mime.MimeMessage or 2.2.1
   def testDefang7(self,vname="honey",fname='story[1].scr'):
-    msg = mime.message_from_file(open('test/'+vname,"r"))
+    with open('test/'+vname,"rb") as fp:
+      msg = mime.message_from_file(fp)
     mime.defang(msg)
     oname = vname + '.out'
-    msg.dump(open('test/'+oname,"w"))
-    msg = mime.message_from_file(open('test/'+oname,"r"))
+    with open('test/'+oname,"wb") as fp:
+      msg.dump(fp)
+    with open('test/'+oname,"rb") as fp:
+      msg = mime.message_from_file(fp)
     parts = msg.get_payload()
     txt2 = parts[1].get_payload()
     txt3 = parts[2].get_payload()
-    self.failUnless(txt2.rstrip()+'\n' == mime.virus_msg % \
+    self.assertTrue(txt2.rstrip()+'\n' == mime.virus_msg % \
 	(fname,hostname,None),txt2)
     if txt3 != '':
-      self.failUnless(txt3.rstrip()+'\n' == mime.virus_msg % \
+      self.assertTrue(txt3.rstrip()+'\n' == mime.virus_msg % \
 	  ('story[1].asp',hostname,None),txt3)
 
   def testParse2(self,fname="spam7"):
-    msg = mime.message_from_file(open('test/'+fname,"r"))
-    self.failUnless(msg.ismultipart())
+    with open('test/'+fname,"rb") as fp:
+      msg = mime.message_from_file(fp)
+    self.assertTrue(msg.ismultipart())
     parts = msg.get_payload()
-    self.failUnless(len(parts) == 2)
+    self.assertTrue(len(parts) == 2)
     name = parts[1].getname()
-    self.failUnless(name == "Jim&amp;amp;Girlz.jpg","name=%s"%name)
+    self.assertTrue(name == "Jim&amp;amp;Girlz.jpg","name=%s"%name)
 
   def testZip(self,vname="zip1",fname='zip.zip'):
     self.testDefang(vname,1,'zip.zip')
     # test scan_zip flag
-    msg = mime.message_from_file(open('test/'+vname,"r"))
+    with open('test/'+vname,"rb") as fp:
+      msg = mime.message_from_file(fp)
     mime.defang(msg,scan_zip=False)
-    self.failIf(msg.ismodified())
+    self.assertFalse(msg.ismodified())
     # test ignoring empty zip (often found in DSNs)
-    msg = mime.message_from_file(open('test/zip2','r'))
+    with open('test/zip2','rb') as fp:
+      msg = mime.message_from_file(fp)
     mime.defang(msg,scan_zip=True)
-    self.failIf(msg.ismodified())
+    self.assertFalse(msg.ismodified())
     # test corrupt zip (often an EXE named as a ZIP)
     self.testDefang('zip3',1,'zip.zip')
     # test zip within zip
     self.testDefang('ziploop',1,'stuart@bmsi.com.zip')
 
+  def _chk_name(self,name):
+    self.filename = name
+
+  def _chk_attach(self,msg):
+    "Filter attachments by content."
+    # check for bad extensions
+    mime.check_name(msg,ckname=self._chk_name,scan_zip=True)
+    # remove scripts from HTML
+    mime.check_html(msg)
+    # don't let a tricky virus slip one past us
+    msg = msg.get_submsg()
+    if isinstance(msg,email.message.Message):
+      return mime.check_attachments(msg,self._chk_attach)
+    return Milter.CONTINUE
+
+  def testCheckAttach(self,fname="test1"):
+    # test1 contains a very long filename
+    with open('test/'+fname,'rb') as fp:
+      msg = mime.message_from_file(fp)
+    mime.defang(msg,scan_zip=True)
+    self.assertFalse(msg.ismodified())
+    with open('test/test2','rb') as fp:
+      msg = mime.message_from_file(fp)
+    rc = mime.check_attachments(msg,self._chk_attach)
+    self.assertEqual(self.filename,"7501'S FOR TWO GOLDEN SOURCES SHIPMENTS FOR TAX & DUTY PURPOSES ONLY.PDF")
+    self.assertEqual(rc,Milter.CONTINUE)
+
+  def test_getnames(self):
+    names = []
+    self.sawpif = False
+    def do_part(m):
+      n = m.getnames()
+      a = names
+      a += n
+      return Milter.CONTINUE
+    def chk_part(m):
+      for k,n in m.getnames():
+        if n and n.lower().endswith('.pif'):
+          self.sawpif = True
+      s = m.get_submsg()
+      print(m.get_content_type(),type(s),'modified:',m.ismodified())
+      if isinstance(s,email.message.Message):
+        return mime.check_attachments(s,chk_part)
+      return Milter.CONTINUE
+
+    with self.zf.open('virus7','r') as fp:
+      msg = mime.message_from_file(fp)
+      self.assertTrue(msg.ismultipart())
+      mime.check_attachments(msg,do_part)
+      self.assertTrue(('filename','application.pif') in names)
+      self.assertFalse(self.sawpif)
+      mime.check_attachments(msg,chk_part)
+      self.assertTrue(self.sawpif)
+
   def testHTML(self,fname=""):
-    result = StringIO.StringIO()
+    result = StringIO()
     filter = mime.HTMLScriptFilter(result)
     msg = """<! Illegal declaration used as comment>
       <![if conditional]> Optional SGML <![endif]>
@@ -156,8 +229,10 @@ class MimeTestCase(unittest.TestCase):
     script = "<script lang=javascript> Dangerous script </script>"
     filter.feed(msg + script)
     filter.close()
-    #print result.getvalue()
-    self.failUnless(result.getvalue() == msg + filter.msg)
+    #print(result.getvalue())
+    #print('---')
+    #print(msg + filter.msg)
+    self.assertTrue(result.getvalue() == msg + filter.msg)
 
 def suite(): return unittest.makeSuite(MimeTestCase,'test')
 
@@ -166,7 +241,7 @@ if __name__ == '__main__':
     unittest.main()
   else:
     for fname in sys.argv[1:]:
-      fp = open(fname,'r')
+      with open(fname,'rb') as fp:
         msg = mime.message_from_file(fp)
       mime.defang(msg,scan_zip=True)
-      print msg.as_string()
+      print(msg.as_string())

testpolicy.py

@@ -0,0 +1,51 @@
+from __future__ import print_function
+import unittest
+import sys
+import os
+from Milter.policy import MTAPolicy
+
+class Config(object):
+  def __init__(self):
+    self.access_file='test/access.db'
+    self.access_file_nulls=True
+
+class PolicyTestCase(unittest.TestCase):
+
+  def setUp(self):
+    self.config = Config()
+    if os.access('test/access',os.R_OK):
+      if not os.path.exists('test/access.db') or \
+          os.path.getmtime('test/access') > os.path.getmtime('test/access.db'):
+        cmd = 'tr : ! <test/access | makemap hash test/access.db'
+        if os.system(cmd):
+          print('failed!')
+    else:
+      print("Missing test/access")
+
+  def testPolicy(self):
+    with MTAPolicy('good@example.com',conf=self.config) as p:
+      pol = p.getPolicy('smtp-auth')
+    self.assertEqual(pol,'OK')
+    with MTAPolicy('bad@example.com',conf=self.config) as p:
+      pol = p.getPolicy('smtp-auth')
+    self.assertEqual(pol,'REJECT')
+    with MTAPolicy('bad@bad.example.com',conf=self.config) as p:
+      pol = p.getPolicy('smtp-auth')
+    self.assertEqual(pol,None)
+    with MTAPolicy('any@random.com',conf=self.config) as p:
+      pol = p.getPolicy('smtp-test')
+    self.assertEqual(pol,'REJECT')
+
+def suite(): return unittest.makeSuite(PolicyTestCase,'test')
+
+if __name__ == '__main__':
+  if len(sys.argv) < 2:
+    unittest.main()
+  else:
+    a = sys.argv[1:]
+    while len(a) >= 2:
+      e,k = a[:2]
+      with MTAPolicy(e,conf=Config()) as p:
+        pol = p.getPolicy(k)
+        print(pol)
+      a = a[2:]

testsample.py

@@ -1,112 +1,106 @@
 import unittest
 import Milter
 import sample
+import template
 import mime
-import rfc822
-import StringIO
-
-class TestMilter(sample.sampleMilter):
+import zipfile
+from Milter.test import TestBase
+from Milter.testctx import TestCtx
 
+class TestMilter(TestBase,sample.sampleMilter):
   def __init__(self):
-    self.logfp = open("test/milter.log","a")
-
-  def log(self,*msg):
-    for i in msg: print >>self.logfp, i,
-    print >>self.logfp
-
-  def replacebody(self,chunk):
-    if self._body:
-      self._body.write(chunk)
-      self.bodyreplaced = True
-    else:
-      raise IOError,"replacebody not called from eom()"
-
-  # FIXME: rfc822 indexing does not really reflect the way chg/add header
-  # work for a milter
-  def chgheader(self,field,idx,value):
-    self.log('chgheader: %s[%d]=%s' % (field,idx,value))
-    if value == '':
-      del self._msg[field]
-    else:
-      self._msg[field] = value
-    self.headerschanged = True
-
-  def addheader(self,field,value):
-    self.log('addheader: %s=%s' % (field,value))
-    self._msg[field] = value
-    self.headerschanged = True
-
-  def feedMsg(self,fname):
-    self._body = None
-    self.bodyreplaced = False
-    self.headerschanged = 0
-    fp = open('test/'+fname,'r')
-    msg = rfc822.Message(fp)
-    rc = self.envfrom('<spam@advertisements.com>')
-    if rc != Milter.CONTINUE: return rc
-    rc = self.envrcpt('<victim@lamb.com>')
-    if rc != Milter.CONTINUE: return rc
-    line = None
-    for h in msg.headers:
-      if h[:1].isspace():
-	line = line + h
-	continue
-      if not line:
-	line = h
-	continue
-      s = line.split(': ',1)
-      rc = self.header(s[0],s[1].strip())
-      if rc != Milter.CONTINUE: return rc
-      line = h
-    if line:
-      s = line.split(': ',1)
-      rc = self.header(s[0],s[1])
-      if rc != Milter.CONTINUE: return rc
-    rc = self.eoh()
-    if rc != Milter.CONTINUE: return rc
-    while 1:
-      buf = fp.read(8192)
-      if len(buf) == 0: break
-      rc = self.body(buf)
-      if rc != Milter.CONTINUE: return rc
-    self._msg = msg
-    self._body = StringIO.StringIO()
-    rc = self.eom()
-    if self.bodyreplaced:
-      body = self._body.getvalue()
-    else:
-      msg.rewindbody()
-      body = msg.fp.read()
-    self._body = StringIO.StringIO()
-    self._body.writelines(msg.headers)
-    self._body.write('\n')
-    self._body.write(body)
-    return rc
-
-  def connect(self,host='localhost'):
-    self._body = None
-    self.bodyreplaced = False
-    rc =  sample.sampleMilter.connect(self,host,1,0) 
-    if rc != Milter.CONTINUE and rc != Milter.ACCEPT:
-      self.close()
-      return rc
-    rc = self.hello('spamrelay')
-    if rc != Milter.CONTINUE:
-      self.close()
-    return rc
+    TestBase.__init__(self)
+    sample.sampleMilter.__init__(self)
 
 class BMSMilterTestCase(unittest.TestCase):
 
+  def setUp(self):
+    self.zf = zipfile.ZipFile('test/virus.zip','r')
+    self.zf.setpassword(b'denatured')
+
+  def tearDown(self):
+    self.zf.close()
+    self.zf = None
+
+  def testTemplate(self,fname='test2'):
+    ctx = TestCtx()
+    Milter.factory = template.myMilter
+    ctx._setsymval('{auth_authen}','batman')
+    ctx._setsymval('{auth_type}','batcomputer')
+    ctx._setsymval('j','mailhost')
+    count = 10
+    while count > 0:
+      rc = ctx._connect(helo='milter-template.example.org')
+      self.assertEquals(rc,Milter.CONTINUE)
+      with open('test/'+fname,'rb') as fp:
+        rc = ctx._feedFile(fp)
+      milter = ctx.getpriv()
+      self.assertFalse(ctx._bodyreplaced,"Message body replaced")
+      ctx._close()
+      count -= 1
+
+  def testHeader(self,fname='utf8'):
+    ctx = TestCtx()
+    Milter.factory = sample.sampleMilter
+    ctx._setsymval('{auth_authen}','batman')
+    ctx._setsymval('{auth_type}','batcomputer')
+    ctx._setsymval('j','mailhost')
+    rc = ctx._connect()
+    self.assertEquals(rc,Milter.CONTINUE)
+    with open('test/'+fname,'rb') as fp:
+      rc = ctx._feedFile(fp)
+    milter = ctx.getpriv()
+    self.assertFalse(ctx._bodyreplaced,"Message body replaced")
+    fp = ctx._body
+    with open('test/'+fname+".tstout","wb") as ofp:
+      ofp.write(fp.getvalue())
+    ctx._close()
+
+  def testCtx(self,fname='virus1'):
+    ctx = TestCtx()
+    Milter.factory = sample.sampleMilter
+    ctx._setsymval('{auth_authen}','batman')
+    ctx._setsymval('{auth_type}','batcomputer')
+    ctx._setsymval('j','mailhost')
+    rc = ctx._connect()
+    self.assertTrue(rc == Milter.CONTINUE)
+    with self.zf.open(fname) as fp:
+      rc = ctx._feedFile(fp)
+    milter = ctx.getpriv()
+#    self.assertTrue(milter.user == 'batman',"getsymval failed: "+
+#        "%s != %s"%(milter.user,'batman'))
+    self.assertEquals(milter.user,'batman')
+    self.assertTrue(milter.auth_type != 'batcomputer',"setsymlist failed")
+    self.assertTrue(rc == Milter.ACCEPT)
+    self.assertTrue(ctx._bodyreplaced,"Message body not replaced")
+    fp = ctx._body
+    with open('test/'+fname+".tstout","wb") as f:
+        f.write(fp.getvalue())
+    #self.assertTrue(fp.getvalue() == open("test/virus1.out","r").read())
+    fp.seek(0)
+    msg = mime.message_from_file(fp)
+    s = msg.get_payload(1).get_payload()
+    milter.log(s)
+    ctx._close()
+
   def testDefang(self,fname='virus1'):
     milter = TestMilter()
+    milter.setsymval('{auth_authen}','batman')
+    milter.setsymval('{auth_type}','batcomputer')
+    milter.setsymval('j','mailhost')
     rc = milter.connect()
-    self.failUnless(rc == Milter.CONTINUE)
-    rc = milter.feedMsg(fname)
-    self.failUnless(rc == Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
+    self.assertTrue(rc == Milter.CONTINUE)
+    with self.zf.open(fname) as fp:
+      rc = milter.feedFile(fp)
+    self.assertTrue(milter.user == 'batman',"getsymval failed")
+    # setsymlist not working in TestBase
+    #self.assertTrue(milter.auth_type != 'batcomputer',"setsymlist failed")
+    self.assertTrue(rc == Milter.ACCEPT)
+    self.assertTrue(milter._bodyreplaced,"Message body not replaced")
     fp = milter._body
-    open('test/'+fname+".tstout","w").write(fp.getvalue())
-    #self.failUnless(fp.getvalue() == open("test/virus1.out","r").read())
+    with open('test/'+fname+".tstout","wb") as f:
+        f.write(fp.getvalue())
+    #self.assertTrue(fp.getvalue() == open("test/virus1.out","r").read())
     fp.seek(0)
     msg = mime.message_from_file(fp)
     s = msg.get_payload(1).get_payload()
@@ -117,30 +111,35 @@ class BMSMilterTestCase(unittest.TestCase):
     milter = TestMilter()
     milter.connect('somehost')
     rc = milter.feedMsg(fname)
-    self.failUnless(rc == Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
+    self.assertTrue(rc == Milter.ACCEPT)
+    self.assertFalse(milter._bodyreplaced,"Milter needlessly replaced body.")
     fp = milter._body
-    open('test/'+fname+".tstout","w").write(fp.getvalue())
+    with open('test/'+fname+".tstout","wb") as f:
+        f.write(fp.getvalue())
     milter.close()
 
   def testDefang2(self):
     milter = TestMilter()
     milter.connect('somehost')
     rc = milter.feedMsg('samp1')
-    self.failUnless(rc == Milter.ACCEPT)
-    self.failIf(milter.bodyreplaced,"Milter needlessly replaced body.")
-    rc = milter.feedMsg("virus3")
-    self.failUnless(rc == Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
+    self.assertTrue(rc == Milter.ACCEPT)
+    self.assertFalse(milter._bodyreplaced,"Milter needlessly replaced body.")
+    with self.zf.open("virus3") as fp:
+      rc = milter.feedFile(fp)
+    self.assertTrue(rc == Milter.ACCEPT)
+    self.assertTrue(milter._bodyreplaced,"Message body not replaced")
     fp = milter._body
-    open("test/virus3.tstout","w").write(fp.getvalue())
-    #self.failUnless(fp.getvalue() == open("test/virus3.out","r").read())
-    rc = milter.feedMsg("virus6")
-    self.failUnless(rc == Milter.ACCEPT)
-    self.failUnless(milter.bodyreplaced,"Message body not replaced")
-    self.failUnless(milter.headerschanged,"Message headers not adjusted")
+    with open("test/virus3.tstout","wb") as f:
+        f.write(fp.getvalue())
+    #self.assertTrue(fp.getvalue() == open("test/virus3.out","r").read())
+    with self.zf.open("virus6") as fp:
+      rc = milter.feedFile(fp)
+    self.assertTrue(rc == Milter.ACCEPT)
+    self.assertTrue(milter._bodyreplaced,"Message body not replaced")
+    self.assertTrue(milter._headerschanged,"Message headers not adjusted")
     fp = milter._body
-    open("test/virus6.tstout","w").write(fp.getvalue())
+    with open("test/virus6.tstout","wb") as f:
+        f.write(fp.getvalue())
     milter.close()
 
 def suite(): return unittest.makeSuite(BMSMilterTestCase,'test')

testutils.py

@@ -1,9 +1,11 @@
+from __future__ import print_function
 import unittest
 import doctest
 import os
 import Milter.utils
 from Milter.cache import AddrCache
 from Milter.dynip import is_dynip
+from Milter.pyip6 import inet_ntop
 
 class AddrCacheTestCase(unittest.TestCase):
 
@@ -11,6 +13,7 @@ class AddrCacheTestCase(unittest.TestCase):
     self.fname = 'test.dat'
 
   def tearDown(self):
+    if os.path.exists(self.fname):
       os.remove(self.fname)
 
   def testAdd(self):
@@ -18,30 +21,43 @@ class AddrCacheTestCase(unittest.TestCase):
     cache['foo@bar.com'] = None
     cache.addperm('baz@bar.com')
     cache['temp@bar.com'] = 'testing'
-    self.failUnless(cache.has_key('foo@bar.com'))
-    self.failUnless(not cache.has_key('hello@bar.com'))
-    self.failUnless('baz@bar.com' in cache)
+    self.assertTrue(cache.has_key('foo@bar.com'))
+    self.assertTrue(not cache.has_key('hello@bar.com'))
+    self.assertTrue('baz@bar.com' in cache)
     self.assertEquals(cache['temp@bar.com'],'testing')
     s = open(self.fname).readlines()
-    self.failUnless(len(s) == 2)
-    self.failUnless(s[0].startswith('foo@bar.com '))
+    self.assertTrue(len(s) == 2)
+    self.assertTrue(s[0].startswith('foo@bar.com '))
     self.assertEquals(s[1].strip(),'baz@bar.com')
     # check that new result overrides old
     cache['temp@bar.com'] = None
-    self.failUnless(not cache['temp@bar.com'])
+    self.assertTrue(not cache['temp@bar.com'])
 
   def testDomain(self):
-    fp = open(self.fname,'w')
-    print >>fp,'spammer.com'
-    fp.close()
+    with open(self.fname,'w') as fp:
+      print('spammer.com',file=fp)
     cache = AddrCache(fname=self.fname)
     cache.load(self.fname,30)
-    self.failUnless('spammer.com' in cache)
+    self.assertTrue('spammer.com' in cache)
+
+  def testParseHeader(self):
+    s='=?UTF-8?B?TGFzdCBGZXcgQ29sZHBsYXkgQWxidW0gQXJ0d29ya3MgQXZhaWxhYmxlAA?='
+    h = Milter.utils.parse_header(s)
+    self.assertEqual(h,'Last Few Coldplay Album Artworks Available\x00')
+    s='=?iso-8859-1?Q?Peter_=D8rum?= <orum@ditas.dk>'
+    h = Milter.utils.parse_header(s)
+    self.assertEqual(h,'Peter \xd8rum <orum@ditas.dk>')
+
+  @unittest.expectedFailure
+  def testParseAddress(self):
+    s = Milter.utils.parseaddr('a(WRONG)@b')
+    self.assertEqual(s,('WRONG', 'a@b'))
 
 def suite(): 
   s = unittest.makeSuite(AddrCacheTestCase,'test')
   s.addTest(doctest.DocTestSuite(Milter.utils))
   s.addTest(doctest.DocTestSuite(Milter.dynip))
+  s.addTest(doctest.DocTestSuite(Milter.pyip6))
   return s
 
 if __name__ == '__main__':