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#!/usr/bin/python2.4 |
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# -*- coding: utf-8 -*- |
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# |
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# Univention AD Connector Password Sync |
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# |
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# Copyright 2004-2011 Univention GmbH |
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# |
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# http://www.univention.de/ |
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# |
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# All rights reserved. |
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# |
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# The source code of this program is made available |
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# under the terms of the GNU Affero General Public License version 3 |
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# (GNU AGPL V3) as published by the Free Software Foundation. |
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# |
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# Binary versions of this program provided by Univention to you as |
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# well as other copyrighted, protected or trademarked materials like |
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# Logos, graphics, fonts, specific documentations and configurations, |
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# cryptographic keys etc. are subject to a license agreement between |
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# you and Univention and not subject to the GNU AGPL V3. |
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# |
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# In the case you use this program under the terms of the GNU AGPL V3, |
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# the program is provided in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU Affero General Public License for more details. |
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# |
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# You should have received a copy of the GNU Affero General Public |
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# License with the Debian GNU/Linux or Univention distribution in file |
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# /usr/share/common-licenses/AGPL-3; if not, see |
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# <http://www.gnu.org/licenses/>. |
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|
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import sys, string, os, time, signal, shutil |
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import base64, pdb, copy, types |
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from optparse import OptionParser |
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|
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import ldap, traceback |
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import univention |
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import univention.connector |
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import univention.connector.ad |
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import univention.uldap |
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import univention.admin.uldap |
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import univention.admin.modules |
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import univention.admin.objects |
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import univention.debug2 as ud |
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import univention.admin.uexceptions |
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|
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from univention.connector.ad import ad |
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|
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import univention_baseconfig |
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|
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from ldap.controls import LDAPControl |
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|
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# parse commandline options |
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|
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parser = OptionParser() |
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parser.add_option("--configbasename", dest="configbasename", |
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help="", metavar="CONFIGBASENAME", default="connector") |
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(options, args) = parser.parse_args() |
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|
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CONFIGBASENAME = "connector" |
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if options.configbasename: |
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CONFIGBASENAME = options.configbasename |
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STATUSLOGFILE = "/var/log/univention/%s-status.log" % CONFIGBASENAME |
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|
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sys.path=['/etc/univention/%s/ad/' % CONFIGBASENAME]+sys.path |
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|
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import mapping |
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|
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def daemon(): |
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try: |
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pid = os.fork() |
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except OSError, e: |
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print 'Daemon Mode Error: %s' % e.strerror |
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|
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if (pid == 0): |
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os.setsid() |
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signal.signal(signal.SIGHUP, signal.SIG_IGN) |
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try: |
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pid = os.fork() |
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except OSError, e: |
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print 'Daemon Mode Error: %s' % e.strerror |
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if (pid == 0): |
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os.chdir("/") |
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os.umask(0) |
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else: |
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pf=open('/var/run/univention-ad-%s' % CONFIGBASENAME, 'w+') |
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pf.write(str(pid)) |
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pf.close() |
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os._exit(0) |
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else: |
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os._exit(0) |
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|
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try: |
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maxfd = os.sysconf("SC_OPEN_MAX") |
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except (AttributeError, ValueError): |
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maxfd = 256 # default maximum |
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|
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for fd in range(0, maxfd): |
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try: |
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os.close(fd) |
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except OSError: # ERROR (ignore) |
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pass |
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|
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os.open("/dev/null", os.O_RDONLY) |
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os.open("/dev/null", os.O_RDWR) |
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os.open("/dev/null", os.O_RDWR) |
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|
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|
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def connect(): |
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|
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daemon() |
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|
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f=open(STATUSLOGFILE, 'w+') |
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sys.stdout=f |
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print time.ctime() |
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|
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baseConfig=univention_baseconfig.baseConfig() |
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baseConfig.load() |
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|
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if not baseConfig.has_key('%s/ad/ldap/host' % CONFIGBASENAME): |
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print '%s/ad/ldap/host not set' % CONFIGBASENAME |
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f.close() |
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sys.exit(1) |
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if not baseConfig.has_key('%s/ad/ldap/port' % CONFIGBASENAME): |
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print '%s/ad/ldap/port not set' % CONFIGBASENAME |
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f.close() |
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sys.exit(1) |
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if not baseConfig.has_key('%s/ad/ldap/base' % CONFIGBASENAME): |
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print '%s/ad/ldap/base not set' % CONFIGBASENAME |
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f.close() |
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sys.exit(1) |
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if not baseConfig.has_key('%s/ad/ldap/binddn' % CONFIGBASENAME): |
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print '%s/ad/ldap/binddn not set' % CONFIGBASENAME |
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f.close() |
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sys.exit(1) |
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if not baseConfig.has_key('%s/ad/ldap/bindpw' % CONFIGBASENAME): |
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print '%s/ad/ldap/bindpw not set' % CONFIGBASENAME |
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f.close() |
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sys.exit(1) |
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|
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if not baseConfig.has_key('%s/ad/ldap/certificate' % CONFIGBASENAME) and not (baseConfig.has_key('%s/ad/ldap/ssl' % CONFIGBASENAME) and baseConfig['%s/ad/ldap/ssl' % CONFIGBASENAME] == 'no') : |
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print '%s/ad/ldap/certificate not set' % CONFIGBASENAME |
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f.close() |
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sys.exit(1) |
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if baseConfig.is_true('%s/ad/ldap/ssl' % CONFIGBASENAME, True) or baseConfig.is_true('%s/ad/ldap/ldaps' % CONFIGBASENAME, False): |
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# create a new CAcert file, which contains the UCS CA and the AD CA, |
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# see Bug #17768 for details |
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# https://forge.univention.org/bugzilla/show_bug.cgi?id=17768 |
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new_ca_filename = '/var/cache/univention-ad-connector/CAcert-%s.pem' % CONFIGBASENAME |
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new_ca = open(new_ca_filename, 'w') |
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ca = open('/etc/univention/ssl/ucsCA/CAcert.pem', 'r') |
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new_ca.write(string.join(ca.readlines(),'')) |
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ca.close() |
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ca = open(baseConfig['%s/ad/ldap/certificate' % CONFIGBASENAME]) |
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new_ca.write(string.join(ca.readlines(),'')) |
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ca.close() |
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|
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new_ca.close() |
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|
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ldap.set_option( ldap.OPT_X_TLS_CACERTFILE, new_ca_filename ) |
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|
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if not baseConfig.has_key('%s/ad/listener/dir' % CONFIGBASENAME): |
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print '%s/ad/listener/dir not set' % CONFIGBASENAME |
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f.close() |
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sys.exit(1) |
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|
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if not baseConfig.has_key('%s/ad/retryrejected' % CONFIGBASENAME): |
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baseconfig_retry_rejected=10 |
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else: |
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baseconfig_retry_rejected=baseConfig['%s/ad/retryrejected' % CONFIGBASENAME] |
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|
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ad_ldap_bindpw=open(baseConfig['%s/ad/ldap/bindpw' % CONFIGBASENAME]).read() |
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if ad_ldap_bindpw[-1] == '\n': |
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ad_ldap_bindpw=ad_ldap_bindpw[0:-1] |
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|
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poll_sleep=int(baseConfig['%s/ad/poll/sleep' % CONFIGBASENAME]) |
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ad_init=None |
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while not ad_init: |
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try: |
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ad_pwd=adpwd( CONFIGBASENAME, |
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mapping.ad_mapping, |
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baseConfig, |
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baseConfig['%s/ad/ldap/host' % CONFIGBASENAME], |
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baseConfig['%s/ad/ldap/port' % CONFIGBASENAME], |
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baseConfig['%s/ad/ldap/base' % CONFIGBASENAME], |
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baseConfig['%s/ad/ldap/binddn' % CONFIGBASENAME], |
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ad_ldap_bindpw, |
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baseConfig['%s/ad/ldap/certificate' % CONFIGBASENAME], |
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baseConfig['%s/ad/listener/dir' % CONFIGBASENAME]) |
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ad_init=True |
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except ldap.SERVER_DOWN: |
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print "Warning: Can't initialize LDAP-Connections, wait..." |
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sys.stdout.flush() |
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time.sleep(poll_sleep) |
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pass |
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|
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|
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ad_init=None |
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|
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while not ad_init: |
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try: |
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ad_pwd.initialize() |
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ad_init=True |
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except ldap.SERVER_DOWN: |
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time.sleep(poll_sleep) |
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pass |
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|
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f.close() |
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retry_rejected=0 |
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connected = True |
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while connected: |
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f=open(STATUSLOGFILE, 'w+') |
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sys.stdout=f |
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print time.ctime() |
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# Poll for changes |
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change_counter=1 |
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while change_counter != 0: |
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sys.stdout.flush() |
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try: |
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change_counter=ad_pwd.poll() |
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except ldap.SERVER_DOWN: |
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print "Can't contact LDAP server during ad-poll, sync not possible." |
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connected = False |
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sys.stdout.flush() |
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time.sleep(poll_sleep) |
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|
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if change_counter > 0: |
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retry_rejected=0 |
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|
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if str(retry_rejected) == baseconfig_retry_rejected: |
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ad_pwd.ad.resync_rejected() |
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retry_rejected=0 |
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else: |
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retry_rejected+=1 |
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|
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print '- sleep %s seconds (%s/%s until resync) -'%(poll_sleep, retry_rejected, baseconfig_retry_rejected) |
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sys.stdout.flush() |
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time.sleep(poll_sleep) |
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f.close() |
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ad_pwd.ad.close_debug() |
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|
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class adpwd: |
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def __init__(self, CONFIGBASENAME, property, baseConfig, ad_ldap_host, ad_ldap_port, ad_ldap_base, ad_ldap_binddn, ad_ldap_bindpw, ad_ldap_certificate, listener_dir): |
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self.ad = ad(CONFIGBASENAME, property, baseConfig, ad_ldap_host, ad_ldap_port, ad_ldap_base, ad_ldap_binddn, ad_ldap_bindpw, ad_ldap_certificate, listener_dir) |
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|
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bindpw=open('/etc/ldap.secret').read() |
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if bindpw[-1] == '\n': |
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bindpw=bindpw[0:-1] |
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|
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self.ad.lo=univention.admin.uldap.access(host=baseConfig['ldap/master'], base=baseConfig['ldap/base'], binddn='cn=admin,'+baseConfig['ldap/base'], bindpw=bindpw, start_tls=2) |
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# load UCS Modules |
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self.ad.modules={} |
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for key in self.ad.property.keys(): |
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if self.ad.property[key].ucs_module: |
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self.ad.modules[key]=univention.admin.modules.get(self.ad.property[key].ucs_module) |
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else: |
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self.ad.modules[key]=None |
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|
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def initialize(self): |
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_d=ud.function('ldap.initialize') |
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|
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|
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print "--------------------------------------" |
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print "Initialize sync from AD" |
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self.ad.resync_rejected() |
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if self.ad._get_lastUSN() == 0: # we startup new |
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ud.debug(ud.LDAP, ud.INFO, "initialize AD: last USN is 0, sync all") |
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# query highest USN in LDAP |
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highestCommittedUSN = self.ad._ad__get_highestCommittedUSN() |
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|
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# poll for all objects without deleted objects |
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polled=self.poll(show_deleted=False) |
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|
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# compare highest USN from poll with highest before poll, if the last changes deletes |
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# the highest USN from poll is to low |
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self.ad._set_lastUSN(max(highestCommittedUSN,self._get_lastUSN())) |
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ud.debug(ud.LDAP, ud.INFO, "initialize AD: sync of all objects finished, lastUSN is %d", self.ad._ad__get_highestCommittedUSN()) |
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else: |
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polled=self.poll() |
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print "--------------------------------------" |
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|
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def poll(self, show_deleted=True): |
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''' |
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poll for changes in AD |
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''' |
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_d=ud.function('ldap.poll') |
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# search from last_usn for changes |
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change_count = 0 |
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changes = [] |
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try: |
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# call private methode |
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changes = self.ad._ad__search_ad_changes(show_deleted=show_deleted) |
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except (ldap.SERVER_DOWN, SystemExit): |
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raise |
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except: # FIXME: which exception is to be caught? |
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self._debug_traceback(ud.WARN,"Exception during search_ad_changes") |
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|
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print "--------------------------------------" |
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print "try to sync %s changes from AD" % len(changes) |
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print "done:", |
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sys.stdout.flush() |
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done_counter = 0 |
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object = None |
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|
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for element in changes: |
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try: |
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if element[0] == 'None': # referrals |
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continue |
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old_element = copy.deepcopy(element) |
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object = self.ad._ad__object_from_element(element) |
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except: # FIXME: which exception is to be caught? |
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#ud.debug(ud.LDAP, ud.ERROR, "Exception during poll/object-mapping, tried to map element: %s" % old_element[0]) |
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#ud.debug(ud.LDAP, ud.ERROR, "This object will not be synced again!") |
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# debug-trace may lead to a segfault here :( |
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self._debug_traceback(ud.ERROR,"Exception during poll/object-mapping, object will not be synced again!") |
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|
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if object: |
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property_key = self.ad._ad__identify(object) |
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if property_key: |
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|
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if self.ad._ignore_object(property_key,object): |
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# call private methode |
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self.ad._ad__update_lastUSN(object) |
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done_counter += 1 |
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print "%s"%done_counter, |
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continue |
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|
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sync_successfull = False |
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try: |
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ud.debug(ud.LDAP, ud.INFO, "Sync object (%s) property_key: %s" % (object['dn'], property_key)) |
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if property_key == 'user' and object['modtype'] == 'modify': |
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if not self.ad._ignore_object(property_key,object): |
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property_ucs = self.ad._ad__identify(object) |
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object_ucs = self.ad._object_mapping(property_key,object) |
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|
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try: |
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univention.connector.ad.password.password_sync(self.ad, property_key, object_ucs) |
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except univention.admin.uexceptions.noObject: |
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# This is possible if the user does not exist in UCS (the main AD connector is in write mode) |
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ud.debug(ud.LDAP, ud.INFO, "Object (%s) was not found in UCS (ignore)" % (object['dn'])) |
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pass |
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sync_successfull = True |
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else: |
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sync_successfull = True |
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else: |
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sync_successfull = True |
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except (ldap.SERVER_DOWN, SystemExit): |
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raise |
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except univention.admin.uexceptions.ldapError, msg: |
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ud.debug(ud.LDAP, ud.INFO, "Exception during poll with message (1) %s"%msg) |
| 357 |
if msg == "Can't contact LDAP server": |
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raise ldap.SERVER_DOWN |
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else: |
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self._debug_traceback(ud.WARN,"Exception during poll/sync_to_ucs") |
| 361 |
except univention.admin.uexceptions.ldapError, msg: |
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ud.debug(ud.LDAP, ud.INFO, "Exception during poll with message (2) %s"%msg) |
| 363 |
if msg == "Can't contact LDAP server": |
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raise ldap.SERVER_DOWN |
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else: |
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self._debug_traceback(ud.WARN,"Exception during poll") |
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except: # FIXME: which exception is to be caught? |
| 368 |
self.ad._debug_traceback(ud.WARN, "Exception during poll/sync_to_ucs") |
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|
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|
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|
| 372 |
if not sync_successfull: |
| 373 |
ud.debug(ud.LDAP, ud.WARN, |
| 374 |
"sync to ucs was not successfull, save rejected") |
| 375 |
ud.debug(ud.LDAP, ud.WARN, |
| 376 |
"object was: %s"%object['dn']) |
| 377 |
|
| 378 |
if sync_successfull: |
| 379 |
change_count+=1 |
| 380 |
# call private methode |
| 381 |
self.ad._ad__update_lastUSN(object) |
| 382 |
try: |
| 383 |
GUID = old_element[1]['objectGUID'][0] |
| 384 |
self.ad._set_DN_for_GUID(GUID,old_element[0]) |
| 385 |
except (ldap.SERVER_DOWN, SystemExit): |
| 386 |
raise |
| 387 |
except: # FIXME: which exception is to be caught? |
| 388 |
self._debug_traceback(ud.WARN, |
| 389 |
"Exception during set_DN_for_GUID") |
| 390 |
|
| 391 |
else: |
| 392 |
self.ad.save_rejected(object) |
| 393 |
else: |
| 394 |
# call private methode |
| 395 |
self.ad._ad__update_lastUSN(object) |
| 396 |
|
| 397 |
done_counter += 1 |
| 398 |
print "%s"%done_counter, |
| 399 |
else: |
| 400 |
done_counter += 1 |
| 401 |
print "(%s)"%done_counter, |
| 402 |
sys.stdout.flush() |
| 403 |
|
| 404 |
print "" |
| 405 |
|
| 406 |
# return number of synced objects |
| 407 |
rejected = self.ad._list_rejected() |
| 408 |
if rejected: |
| 409 |
print "Changes from AD: %s (%s saved rejected)" % (change_count, len(rejected)) |
| 410 |
else: |
| 411 |
print "Changes from AD: %s (%s saved rejected)" % (change_count, '0') |
| 412 |
print "--------------------------------------" |
| 413 |
sys.stdout.flush() |
| 414 |
return change_count |
| 415 |
|
| 416 |
|
| 417 |
def main(): |
| 418 |
while True: |
| 419 |
try: |
| 420 |
connect() |
| 421 |
except SystemExit: |
| 422 |
raise |
| 423 |
except: |
| 424 |
f=open(STATUSLOGFILE, 'w+') |
| 425 |
sys.stdout=f |
| 426 |
print time.ctime() |
| 427 |
|
| 428 |
text = '' |
| 429 |
exc_info = sys.exc_info() |
| 430 |
lines = apply(traceback.format_exception, exc_info) |
| 431 |
text = text + '\n' |
| 432 |
for line in lines: |
| 433 |
text += line |
| 434 |
print " --- connect failed, failure was: ---" |
| 435 |
print text |
| 436 |
print " --- retry in 30 seconds ---" |
| 437 |
sys.stdout.flush() |
| 438 |
time.sleep(30) |
| 439 |
|
| 440 |
f.close() |
| 441 |
|
| 442 |
|
| 443 |
if __name__ == "__main__": |
| 444 |
main() |
| 445 |
|