This commit was manufactured by cvs2svn to create branch

'Release_2_1-maint'.

1 files changed, 344 insertions, 0 deletions

diff --git a/Mailman/MTA/Postfix.py b/Mailman/MTA/Postfix.py
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+# Copyright (C) 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+"""Creation/deletion hooks for the Postfix MTA.
+"""
+
+import os
+import time
+import errno
+import pwd
+import grp
+from stat import *
+
+from Mailman import mm_cfg
+from Mailman import Utils
+from Mailman import LockFile
+from Mailman.i18n import _
+from Mailman.MTA.Utils import makealiases
+from Mailman.Logging.Syslog import syslog
+
+LOCKFILE = os.path.join(mm_cfg.LOCK_DIR, 'creator')
+ALIASFILE = os.path.join(mm_cfg.DATA_DIR, 'aliases')
+VIRTFILE = os.path.join(mm_cfg.DATA_DIR, 'virtual-mailman')
+
+
+
+def _update_maps():
+    msg = 'command failed: %s (status: %s, %s)'
+    acmd = mm_cfg.POSTFIX_ALIAS_CMD + ' ' + ALIASFILE
+    status = (os.system(acmd) >> 8) & 0xff
+    if status:
+        errstr = os.strerror(status)
+        syslog('error', msg, acmd, status, errstr)
+        raise RuntimeError, msg % (acmd, status, errstr)
+    if os.path.exists(VIRTFILE):
+        vcmd = mm_cfg.POSTFIX_MAP_CMD + ' ' + VIRTFILE
+        status = (os.system(vcmd) >> 8) & 0xff
+        if status:
+            errstr = os.strerror(status)
+            syslog('error', msg, vcmd, status, errstr)
+            raise RuntimeError, msg % (vcmd, status, errstr)
+
+
+
+def makelock():
+    return LockFile.LockFile(LOCKFILE)
+
+
+def _zapfile(filename):
+    # Truncate the file w/o messing with the file permissions, but only if it
+    # already exists.
+    if os.path.exists(filename):
+        fp = open(filename, 'w')
+        fp.close()
+
+
+def clear():
+    _zapfile(ALIASFILE)
+    _zapfile(VIRTFILE)
+
+
+
+def _addlist(mlist, fp):
+    # Set up the mailman-loop address
+    loopaddr = Utils.ParseEmail(Utils.get_site_email(extra='loop'))[0]
+    loopmbox = os.path.join(mm_cfg.DATA_DIR, 'owner-bounces.mbox')
+    # Seek to the end of the text file, but if it's empty write the standard
+    # disclaimer, and the loop catch address.
+    fp.seek(0, 2)
+    if not fp.tell():
+        print >> fp, """\
+# This file is generated by Mailman, and is kept in sync with the
+# binary hash file aliases.db.  YOU SHOULD NOT MANUALLY EDIT THIS FILE
+# unless you know what you're doing, and can keep the two files properly
+# in sync.  If you screw it up, you're on your own.
+"""
+        print >> fp, '# The ultimate loop stopper address'
+        print >> fp, '%s: %s' % (loopaddr, loopmbox)
+        print >> fp
+    # Bootstrapping.  bin/genaliases must be run before any lists are created,
+    # but if no lists exist yet then mlist is None.  The whole point of the
+    # exercise is to get the minimal aliases.db file into existance.
+    if mlist is None:
+        return
+    listname = mlist.internal_name()
+    fieldsz = len(listname) + len('-unsubscribe')
+    # The text file entries get a little extra info
+    print >> fp, '# STANZA START:', listname
+    print >> fp, '# CREATED:', time.ctime(time.time())
+    # Now add all the standard alias entries
+    for k, v in makealiases(listname):
+        # Format the text file nicely
+        print >> fp, k + ':', ((fieldsz - len(k)) * ' ') + v
+    # Finish the text file stanza
+    print >> fp, '# STANZA END:', listname
+    print >> fp
+
+
+
+def _addvirtual(mlist, fp):
+    listname = mlist.internal_name()
+    fieldsz = len(listname) + len('-unsubscribe')
+    hostname = mlist.host_name
+    # Set up the mailman-loop address
+    loopaddr = Utils.get_site_email(mlist.host_name, extra='loop')
+    loopdest = Utils.ParseEmail(loopaddr)[0]
+    # Seek to the end of the text file, but if it's empty write the standard
+    # disclaimer, and the loop catch address.
+    fp.seek(0, 2)
+    if not fp.tell():
+        print >> fp, """\
+# This file is generated by Mailman, and is kept in sync with the binary hash
+# file virtual-mailman.db.  YOU SHOULD NOT MANUALLY EDIT THIS FILE unless you
+# know what you're doing, and can keep the two files properly in sync.  If you
+# screw it up, you're on your own.
+#
+# Note that you should already have this virtual domain set up properly in
+# your Postfix installation.  See README.POSTFIX for details.
+
+# LOOP ADDRESSES START
+%s\t%s
+# LOOP ADDRESSES END
+""" % (loopaddr, loopdest)
+    # The text file entries get a little extra info
+    print >> fp, '# STANZA START:', listname
+    print >> fp, '# CREATED:', time.ctime(time.time())
+    # Now add all the standard alias entries
+    for k, v in makealiases(listname):
+        fqdnaddr = '%s@%s' % (k, hostname)
+        # Format the text file nicely
+        print >> fp, fqdnaddr, ((fieldsz - len(k)) * ' '), k
+    # Finish the text file stanza
+    print >> fp, '# STANZA END:', listname
+    print >> fp
+
+
+
+# Blech.
+def _check_for_virtual_loopaddr(mlist, filename):
+    loopaddr = Utils.get_site_email(mlist.host_name, extra='loop')
+    loopdest = Utils.ParseEmail(loopaddr)[0]
+    infp = open(filename)
+    omask = os.umask(007)
+    try:
+        outfp = open(filename + '.tmp', 'w')
+    finally:
+        os.umask(omask)
+    try:
+        # Find the start of the loop address block
+        while 1:
+            line = infp.readline()
+            if not line:
+                break
+            outfp.write(line)
+            if line.startswith('# LOOP ADDRESSES START'):
+                break
+        # Now see if our domain has already been written
+        while 1:
+            line = infp.readline()
+            if not line:
+                break
+            if line.startswith('# LOOP ADDRESSES END'):
+                # It hasn't
+                print >> outfp, '%s\t%s' % (loopaddr, loopdest)
+                outfp.write(line)
+                break
+            elif line.startswith(loopaddr):
+                # We just found it
+                outfp.write(line)
+                break
+            else:
+                # This isn't our loop address, so spit it out and continue
+                outfp.write(line)
+        outfp.writelines(infp.readlines())
+    finally:
+        infp.close()
+        outfp.close()
+    os.rename(filename + '.tmp', filename)
+
+
+
+def _do_create(mlist, textfile, func):
+    # Crack open the plain text file
+    try:
+        fp = open(textfile, 'r+')
+    except IOError, e:
+        if e.errno <> errno.ENOENT: raise
+        omask = os.umask(007)
+        try:
+            fp = open(textfile, 'w+')
+        finally:
+            os.umask(omask)
+    try:
+        func(mlist, fp)
+    finally:
+        fp.close()
+    # Now double check the virtual plain text file
+    if func is _addvirtual:
+        _check_for_virtual_loopaddr(mlist, textfile)
+
+
+def create(mlist, cgi=0, nolock=0):
+    # Acquire the global list database lock
+    lock = None
+    if not nolock:
+        lock = makelock()
+        lock.lock()
+    # Do the aliases file, which need to be done in any case
+    try:
+        _do_create(mlist, ALIASFILE, _addlist)
+        if mlist and mlist.host_name in mm_cfg.POSTFIX_STYLE_VIRTUAL_DOMAINS:
+            _do_create(mlist, VIRTFILE, _addvirtual)
+        _update_maps()
+    finally:
+        if lock:
+            lock.unlock(unconditionally=1)
+
+
+
+def _do_remove(mlist, textfile, virtualp):
+    listname = mlist.internal_name()
+    # Now do our best to filter out the proper stanza from the text file.
+    # The text file better exist!
+    outfp = None
+    try:
+        infp = open(textfile)
+    except IOError, e:
+        if e.errno <> errno.ENOENT: raise
+        # Otherwise, there's no text file to filter so we're done.
+        return
+    try:
+        omask = os.umask(007)
+        try:
+            outfp = open(textfile + '.tmp', 'w')
+        finally:
+            os.umask(omask)
+        filteroutp = 0
+        start = '# STANZA START: ' + listname
+        end = '# STANZA END: ' + listname
+        while 1:
+            line = infp.readline()
+            if not line:
+                break
+            # If we're filtering out a stanza, just look for the end marker and
+            # filter out everything in between.  If we're not in the middle of
+            # filtering out a stanza, we're just looking for the proper begin
+            # marker.
+            if filteroutp:
+                if line.startswith(end):
+                    filteroutp = 0
+                    # Discard the trailing blank line, but don't worry if
+                    # we're at the end of the file.
+                    infp.readline()
+                # Otherwise, ignore the line
+            else:
+                if line.startswith(start):
+                    # Filter out this stanza
+                    filteroutp = 1
+                else:
+                    outfp.write(line)
+    # Close up shop, and rotate the files
+    finally:
+        infp.close()
+        outfp.close()
+    os.rename(textfile+'.tmp', textfile)
+
+
+def remove(mlist, cgi=0):
+    # Acquire the global list database lock
+    lock = makelock()
+    lock.lock()
+    try:
+        _do_remove(mlist, ALIASFILE, 0)
+        if mlist.host_name in mm_cfg.POSTFIX_STYLE_VIRTUAL_DOMAINS:
+            _do_remove(mlist, VIRTFILE, 1)
+        # Regenerate the alias and map files
+        _update_maps()
+    finally:
+        lock.unlock(unconditionally=1)
+
+
+
+def checkperms(state):
+    targetmode = S_IFREG | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP
+    for file in ALIASFILE, VIRTFILE:
+        if state.VERBOSE:
+            print _('checking permissions on %(file)s')
+        stat = None
+        try:
+            stat = os.stat(file)
+        except OSError, e:
+            if e.errno <> errno.ENOENT:
+                raise
+        if stat and (stat[ST_MODE] & targetmode) <> targetmode:
+            state.ERRORS += 1
+            octmode = oct(stat[ST_MODE])
+            print _('%(file)s permissions must be 066x (got %(octmode)s)'),
+            if state.FIX:
+                print _('(fixing)')
+                os.chmod(file, stat[ST_MODE] | targetmode)
+            else:
+                print
+        # Make sure the corresponding .db files are owned by the Mailman user.
+        # We don't need to check the group ownership of the file, since
+        # check_perms checks this itself.
+        dbfile = file + '.db'
+        stat = None
+        try:
+            stat = os.stat(dbfile)
+        except OSError, e:
+            if e.errno <> errno.ENOENT:
+                raise
+            continue
+        if state.VERBOSE:
+            print _('checking ownership of %(dbfile)s')
+        user = mm_cfg.MAILMAN_USER
+        ownerok = stat[ST_UID] == pwd.getpwnam(user)[2]
+        if not ownerok:
+            try:
+                owner = pwd.getpwuid(stat[ST_UID])[0]
+            except KeyError:
+                owner = 'uid %d' % stat[ST_UID]
+            print _('%(dbfile)s owned by %(owner)s (must be owned by %(user)s')
+            state.ERRORS += 1
+            if state.FIX:
+                print _('(fixing)')
+                uid = pwd.getpwnam(user)[2]
+                gid = grp.getgrnam(mm_cfg.MAILMAN_GROUP)[2]
+                os.chown(dbfile, uid, gid)
+            else:
+                print