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Diffstat (limited to 'Mailman/Handlers/Sendmail.py')
| -rw-r--r-- | Mailman/Handlers/Sendmail.py | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/Mailman/Handlers/Sendmail.py b/Mailman/Handlers/Sendmail.py deleted file mode 100644 index a75f74234..000000000 --- a/Mailman/Handlers/Sendmail.py +++ /dev/null @@ -1,116 +0,0 @@ -# Copyright (C) 1998,1999,2000,2001,2002 by the Free Software Foundation, Inc. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License -# as published by the Free Software Foundation; either version 2 -# of the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - -"""Deliver a message via command-line drop-off. - -WARNING WARNING WARNING: This module is provided for example purposes only. -It should not be used in a production environment for reasons described -below. Because of this, you must explicitly enable it with by editing the -code. See the WARN section in the process() function. - -This module delivers the message via the command line interface to the -sendmail program. It should work for sendmail clones like Postfix. It is -expected that sendmail handles final delivery, message queueing, etc. The -recipient list is only trivially split so that the command line is less than -about 3k in size. - -SECURITY WARNING: Because this module uses os.popen(), it goes through the -shell. This module does not scan the arguments for potential exploits and so -it should be considered unsafe for production use. For performance reasons, -it's not recommended either -- use the SMTPDirect delivery module instead, -even if you're using the sendmail MTA. - -DUPLICATES WARNING: Using this module can cause duplicates to be delivered to -your membership, depending on your MTA! E.g. It is known that if you're using -the sendmail MTA, and if a message contains a single dot on a line by itself, -your list members will receive many duplicates. -""" - -import string -import os - -from Mailman import mm_cfg -from Mailman import Errors -from Mailman.Logging.Syslog import syslog - -MAX_CMDLINE = 3000 - - - -def process(mlist, msg, msgdata): - """Process the message object for the given list. - - The message object is an instance of Mailman.Message and must be fully - prepared for delivery (i.e. all the appropriate headers must be set). The - message object can have the following attributes: - - recips - the list of recipients for the message (required) - - This function processes the message by handing off the delivery of the - message to a sendmail (or sendmail clone) program. It can raise a - SendmailHandlerError if an error status was returned by the sendmail - program. - - """ - # WARN: If you've read the warnings above and /still/ insist on using this - # module, you must comment out the following line. I still recommend you - # don't do this! - assert 0, 'Use of the Sendmail.py delivery module is highly discouraged' - recips = msgdata.get('recips') - if not recips: - # Nobody to deliver to! - return - # Use -f to set the envelope sender - cmd = mm_cfg.SENDMAIL_CMD + ' -f ' + mlist.GetBouncesEmail() + ' ' - # make sure the command line is of a manageable size - recipchunks = [] - currentchunk = [] - chunklen = 0 - for r in recips: - currentchunk.append(r) - chunklen = chunklen + len(r) + 1 - if chunklen > MAX_CMDLINE: - recipchunks.append(string.join(currentchunk)) - currentchunk = [] - chunklen = 0 - # pick up the last one - if chunklen: - recipchunks.append(string.join(currentchunk)) - # get all the lines of the message, since we're going to do this over and - # over again - msgtext = str(msg) - msglen = len(msgtext) - # cycle through all chunks - failedrecips = [] - for chunk in recipchunks: - # TBD: SECURITY ALERT. This invokes the shell! - fp = os.popen(cmd + chunk, 'w') - fp.write(msgtext) - status = fp.close() - if status: - errcode = (status & 0xff00) >> 8 - syslog('post', 'post to %s from %s, size=%d, failure=%d', - mlist.internal_name(), msg.get_sender(), - msglen, errcode) - # TBD: can we do better than this? What if only one recipient out - # of the entire chunk failed? - failedrecips.append(chunk) - # Log the successful post - syslog('post', 'post to %s from %s, size=%d, success', - mlist.internal_name(), msg.get_sender(), msglen) - if failedrecips: - msgdata['recips'] = failedrecips - raise Errors.SomeRecipientsFailed |