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__init__.py
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# Copyright 2010-2013 Kolab Systems AG (http://www.kolabsys.com)
#
# Jeroen van Meeuwen (Kolab Systems) <vanmeeuwen a kolabsys.com>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
import datetime
import _ldap
import ldap
import ldap.async
import ldap.controls
import ldap.filter
import logging
import time
import traceback
import pykolab
import pykolab.base
from pykolab import utils
from pykolab.constants import *
from pykolab.errors import *
from pykolab.translate import _
log = pykolab.getLogger('pykolab.auth')
conf = pykolab.getConf()
import auth_cache
import cache
# Catch python-ldap-2.4 changes
from distutils import version
if version.StrictVersion('2.4.0') <= version.StrictVersion(ldap.__version__):
LDAP_CONTROL_PAGED_RESULTS = ldap.CONTROL_PAGEDRESULTS
else:
LDAP_CONTROL_PAGED_RESULTS = ldap.LDAP_CONTROL_PAGE_OID
try:
from ldap.controls import psearch
except:
log.warning(_("Python LDAP library does not support persistent search"))
class SimplePagedResultsControl(ldap.controls.SimplePagedResultsControl):
"""
Python LDAP 2.4 and later breaks the API. This is an abstraction class
so that we can handle either.
"""
def __init__(self, page_size=0, cookie=''):
if version.StrictVersion(
'2.4.0'
) <= version.StrictVersion(
ldap.__version__
):
ldap.controls.SimplePagedResultsControl.__init__(
self,
size=page_size,
cookie=cookie
)
else:
ldap.controls.SimplePagedResultsControl.__init__(
self,
LDAP_CONTROL_PAGED_RESULTS,
True,
(page_size, '')
)
def cookie(self):
if version.StrictVersion(
'2.4.0'
) <= version.StrictVersion(
ldap.__version__
):
return self.cookie
else:
return self.controlValue[1]
def size(self):
if version.StrictVersion(
'2.4.0'
) <= version.StrictVersion(
ldap.__version__
):
return self.size
else:
return self.controlValue[0]
class LDAP(pykolab.base.Base):
"""
Abstraction layer for the LDAP authentication / authorization backend,
for use with Kolab.
"""
def __init__(self, domain=None):
"""
Initialize the LDAP object for domain. If no domain is specified,
domain name space configured as 'kolab'.'primary_domain' is used.
"""
pykolab.base.Base.__init__(self, domain=domain)
self.ldap = None
self.bind = False
if domain == None:
self.domain = conf.get('kolab', 'primary_domain')
else:
self.domain = domain
def authenticate(self, login, realm):
"""
Find the entry corresponding to login, and attempt a bind.
login is a tuple with 4 values. In order of appearance;
[0] - the login username.
[1] - the password
[2] - the service (optional)
[3] - the realm
Called from pykolab.auth.Auth, the realm parameter is derived, while
login[3] preserves the originally specified realm.
"""
try:
log.debug(
_("Attempting to authenticate user %s in realm %s") % (
login[0],
realm
),
level=8
)
except:
pass
self.connect()
self._bind()
# See if we know a base_dn for the domain
base_dn = None
try:
base_dn = auth_cache.get_entry(self.domain)
except:
pass
if base_dn == None:
config_base_dn = self.config_get('base_dn')
ldap_base_dn = self._kolab_domain_root_dn(self.domain)
if not ldap_base_dn == None and not ldap_base_dn == config_base_dn:
base_dn = ldap_base_dn
else:
base_dn = config_base_dn
try:
auth_cache.set_entry(self.domain, base_dn)
except Exception, errmsg:
log.error(_("Authentication cache failed: %r") % (errmsg))
pass
try:
user_filter = self.config_get_raw('user_filter') % ({'base_dn':base_dn})
except TypeError, errmsg:
user_filter = self.config_get_raw('user_filter')
_filter = '(&(|'
auth_attrs = self.config_get_list('auth_attributes')
for attr in auth_attrs:
_filter += "(%s=%s)" % (attr, login[0])
_filter += "(%s=%s@%s)" % (attr, login[0], realm)
_filter += ')%s)' % (user_filter)
entry_dn = None
try:
entry_dn = auth_cache.get_entry(_filter)
except:
pass
if entry_dn == None:
_search = self.ldap.search_ext(
base_dn,
ldap.SCOPE_SUBTREE,
_filter,
['entrydn']
)
try:
(
_result_type,
_result_data,
_result_msgid,
_result_controls
) = self.ldap.result3(_search)
except ldap.SERVER_DOWN, errmsg:
log.error(_("LDAP server unavailable: %r") % (errmsg))
log.error(_("%s") % (traceback.format_exc()))
self._disconnect()
return False
if len(_result_data) >= 1:
(entry_dn, entry_attrs) = _result_data[0]
try:
log.debug(_("Binding with user_dn %s and password %s")
% (entry_dn, '*' * len(login[1])))
# Needs to be synchronous or succeeds and continues setting retval
# to True!!
self.ldap.simple_bind_s(entry_dn, login[1])
retval = True
try:
auth_cache.set_entry(_filter, entry_dn)
except Exception, errmsg:
log.error(_("Authentication cache failed: %r") % (errmsg))
pass
except ldap.SERVER_DOWN, errmsg:
log.error(_("Authentication failed, LDAP server unavailable"))
self._disconnect()
pass
except:
try:
log.debug(
_("Failed to authenticate as user %s") % (login[0]),
level=8
)
except:
pass
retval = False
else:
try:
log.debug(_("Binding with user_dn %s and password %s")
% (entry_dn, '*' * len(login[1])))
# Needs to be synchronous or succeeds and continues setting retval
# to True!!
self.ldap.simple_bind_s(entry_dn, login[1])
auth_cache.set_entry(_filter, entry_dn)
retval = True
except ldap.NO_SUCH_OBJECT, errmsg:
log.debug(_("Error occured, there is no such object: %r") % (errmsg), level=8)
self.bind = False
try:
auth_cache.del_entry(_filter)
except:
log.error(_("Authentication cache failed to clear entry"))
pass
return self.authenticate(login, realm)
except Exception, errmsg:
log.debug(_("Exception occured: %r") %(errmsg))
try:
log.debug(
_("Failed to authenticate as user %s") % (login[0]),
level=8
)
except:
pass
retval = False
return retval
def connect(self):
"""
Connect to the LDAP server through the uri configured.
"""
if not self.ldap == None:
return
log.debug(_("Connecting to LDAP..."), level=8)
uri = self.config_get('ldap_uri')
log.debug(_("Attempting to use LDAP URI %s") % (uri), level=8)
trace_level = 0
if conf.debuglevel > 8:
trace_level = 1
self.ldap = ldap.ldapobject.ReconnectLDAPObject(
uri,
trace_level=trace_level,
retry_max=200,
retry_delay=3.0
)
self.ldap.protocol_version = 3
self.ldap.supported_controls = []
def entry_dn(self, entry_id):
"""
Get a entry's distinguished name for an entry ID.
The entry ID may be any of:
- an entry's value for the configured unique_attribute,
- a (syntactically valid) Distinguished Name,
- a dictionary such as previously returned as (part of) the result
of a search.
"""
entry_dn = None
if self._entry_dn(entry_id):
return entry_id
if self._entry_dict(entry_id):
return entry_id['dn']
unique_attribute = self.config_get('unique_attribute')
config_base_dn = self.config_get('base_dn')
ldap_base_dn = self._kolab_domain_root_dn(self.domain)
if not ldap_base_dn == None and not ldap_base_dn == config_base_dn:
base_dn = ldap_base_dn
else:
base_dn = config_base_dn
_search = self.ldap.search_ext(
base_dn,
ldap.SCOPE_SUBTREE,
'(%s=%s)' % (unique_attribute, entry_id),
['entrydn']
)
(
_result_type,
_result_data,
_result_msgid,
_result_controls
) = self.ldap.result3(_search)
if len(_result_data) >= 1:
(entry_dn, entry_attrs) = _result_data[0]
return entry_dn
def get_entry_attribute(self, entry_id, attribute):
"""
Get an attribute for an entry.
Return the attribute value if successful, or None if not.
"""
entry_attrs = self.get_entry_attributes(entry_id, [attribute])
if entry_attrs.has_key(attribute):
return entry_attrs[attribute]
elif entry_attrs.has_key(attribute.lower()):
return entry_attrs[attribute.lower()]
else:
return None
def get_entry_attributes(self, entry_id, attributes):
"""
Get multiple attributes for an entry.
"""
self._bind()
log.debug(_("Entry ID: %r") % (entry_id), level=9)
entry_dn = self.entry_dn(entry_id)
log.debug(_("Entry DN: %r") % (entry_dn), level=9)
log.debug(
_("ldap search: (%r, %r, filterstr='(objectclass=*)', attrlist=[ 'dn' ] + %r") % (
entry_dn,
ldap.SCOPE_BASE,
attributes
),
level=9
)
_search = self.ldap.search_ext(
entry_dn,
ldap.SCOPE_BASE,
filterstr='(objectclass=*)',
attrlist=[ 'dn' ] + attributes
)
(
_result_type,
_result_data,
_result_msgid,
_result_controls
) = self.ldap.result3(_search)
if len(_result_data) >= 1:
(_entry_dn, _entry_attrs) = _result_data[0]
else:
return None
return utils.normalize(_entry_attrs)
def list_recipient_addresses(self, entry_id):
"""
Give a list of all valid recipient addresses for an LDAP entry
identified by its ID.
"""
mail_attributes = conf.get_list('ldap', 'mail_attributes')
entry = self.get_entry_attributes(entry_id, mail_attributes)
return self.extract_recipient_addresses(entry) if entry is not None else []
def extract_recipient_addresses(self, entry):
"""
Extact a list of all valid recipient addresses for the given LDAP entry.
This includes all attributes configured for ldap.mail_attributes
"""
recipient_addresses = []
mail_attributes = conf.get_list('ldap', 'mail_attributes')
for attr in mail_attributes:
if entry.has_key(attr):
if isinstance(entry[attr], list):
recipient_addresses.extend(entry[attr])
elif isinstance(entry[attr], basestring):
recipient_addresses.append(entry[attr])
return recipient_addresses
def list_delegators(self, entry_id):
"""
Get a list of user records the given user is set to be a delegatee
"""
delegators = []
mailbox_attribute = conf.get('cyrus-sasl', 'result_attribute')
if mailbox_attribute == None:
mailbox_attribute = 'mail'
for __delegator in self.search_entry_by_attribute('kolabDelegate', entry_id):
(_dn, _delegator) = __delegator
_delegator['dn'] = _dn;
_delegator['_mailbox_basename'] = _delegator[mailbox_attribute] if _delegator.has_key(mailbox_attribute) else None
if isinstance(_delegator['_mailbox_basename'], list):
_delegator['_mailbox_basename'] = _delegator['_mailbox_basename'][0]
delegators.append(_delegator)
return delegators
def find_recipient(self, address="*", exclude_entry_id=None):
"""
Given an address string or list of addresses, find one or more valid
recipients.
Use this function only to detect whether an address is already in
use by any entry in the tree.
Specify an additional entry_id to exclude to exclude matches against
the current entry.
"""
self._bind()
if not exclude_entry_id == None:
__filter_prefix = "(&"
__filter_suffix = "(!(%s=%s)))" % (
self.config_get('unique_attribute'),
exclude_entry_id
)
else:
__filter_prefix = ""
__filter_suffix = ""
kolab_filter = self._kolab_filter()
recipient_address_attrs = self.config_get_list("mail_attributes")
result_attributes = []
for recipient_address_attr in recipient_address_attrs:
result_attributes.append(recipient_address_attr)
result_attributes.append(self.config_get('unique_attribute'))
_filter = "(|"
for recipient_address_attr in recipient_address_attrs:
if isinstance(address, basestring):
_filter += "(%s=%s)" % (recipient_address_attr, address)
else:
for _address in address:
_filter += "(%s=%s)" % (recipient_address_attr, _address)
_filter += ")"
_filter = "%s%s%s" % (__filter_prefix,_filter,__filter_suffix)
log.debug(_("Finding recipient with filter %r") % (_filter), level=8)
if len(_filter) <= 6:
return None
config_base_dn = self.config_get('base_dn')
ldap_base_dn = self._kolab_domain_root_dn(self.domain)
if not ldap_base_dn == None and not ldap_base_dn == config_base_dn:
base_dn = ldap_base_dn
else:
base_dn = config_base_dn
_results = self.ldap.search_s(
base_dn,
scope=ldap.SCOPE_SUBTREE,
filterstr=_filter,
attrlist=result_attributes,
attrsonly=True
)
_entry_dns = []
for _result in _results:
(_entry_id, _entry_attrs) = _result
# Prevent Active Directory referrals
if not _entry_id == None:
_entry_dns.append(_entry_id)
return _entry_dns
def find_resource(self, address="*", exclude_entry_id=None):
"""
Given an address string or list of addresses, find one or more valid
resources.
Specify an additional entry_id to exclude to exclude matches.
"""
self._bind()
if not exclude_entry_id == None:
__filter_prefix = "(&"
__filter_suffix = "(!(%s=%s)))" % (
self.config_get('unique_attribute'),
exclude_entry_id
)
else:
__filter_prefix = ""
__filter_suffix = ""
resource_filter = self.config_get('resource_filter')
if not resource_filter == None:
__filter_prefix = "(&%s" % resource_filter
__filter_suffix = ")"
recipient_address_attrs = self.config_get_list("mail_attributes")
result_attributes = recipient_address_attrs
result_attributes.append(self.config_get('unique_attribute'))
_filter = "(|"
for recipient_address_attr in recipient_address_attrs:
if isinstance(address, basestring):
_filter += "(%s=%s)" % (recipient_address_attr, address)
else:
for _address in address:
_filter += "(%s=%s)" % (recipient_address_attr, _address)
_filter += ")"
_filter = "%s%s%s" % (__filter_prefix,_filter,__filter_suffix)
log.debug(_("Finding resource with filter %r") % (_filter), level=8)
if len(_filter) <= 6:
return None
config_base_dn = self.config_get('resource_base_dn')
ldap_base_dn = self._kolab_domain_root_dn(self.domain)
if not ldap_base_dn == None and not ldap_base_dn == config_base_dn:
resource_base_dn = ldap_base_dn
else:
resource_base_dn = config_base_dn
_results = self.ldap.search_s(
resource_base_dn,
scope=ldap.SCOPE_SUBTREE,
filterstr=_filter,
attrlist=result_attributes,
attrsonly=True
)
_entry_dns = []
for _result in _results:
(_entry_id, _entry_attrs) = _result
_entry_dns.append(_entry_id)
return _entry_dns
def get_latest_sync_timestamp(self):
timestamp = cache.last_modify_timestamp(self.domain)
log.debug(_("Using timestamp %r") % (timestamp), level=9)
return timestamp
def list_secondary_domains(self):
"""
List alias domain name spaces for the current domain name space.
"""
if not self.domains == None:
return [s for s in self.domains.keys() if not s in self.domains.values()]
else:
return []
def recipient_policy(self, entry):
"""
Apply a recipient policy, if configured.
Given an entry, returns the entry's attribute values to be set.
"""
entry_dn = self.entry_dn(entry)
entry_modifications = {}
entry_type = self._entry_type(entry)
mail_attributes = self.config_get_list('mail_attributes')
primary_mail = None
primary_mail_attribute = None
secondary_mail = None
secondary_mail_attribute = None
if len(mail_attributes) >= 1:
primary_mail_attribute = mail_attributes[0]
if len(mail_attributes) >= 2:
secondary_mail_attribute = mail_attributes[1]
daemon_rcpt_policy = self.config_get('daemon_rcpt_policy')
if not utils.true_or_false(daemon_rcpt_policy) and not daemon_rcpt_policy == None:
log.debug(
_(
"Not applying recipient policy for %s " + \
"(disabled through configuration)"
) % (entry_dn),
level=1
)
return entry_modifications
want_attrs = []
log.debug(_("Applying recipient policy to %r") % (entry_dn), level=8)
# See which mail attributes we would want to control.
#
# 'mail' is considered for primary_mail,
# 'alias' and 'mailalternateaddress' are considered for secondary mail.
#
primary_mail = self.config_get_raw('%s_primary_mail' % (entry_type))
if primary_mail == None and entry_type == 'user':
primary_mail = self.config_get_raw('primary_mail')
if not secondary_mail_attribute == None:
secondary_mail = self.config_get_raw('%s_secondary_mail' % (entry_type))
if secondary_mail == None and entry_type == 'user':
secondary_mail = self.config_get_raw('secondary_mail')
log.debug(
_("Using mail attributes: %r, with primary %r and " + \
"secondary %r") % (
mail_attributes,
primary_mail_attribute,
secondary_mail_attribute
),
level=8
)
for _mail_attr in mail_attributes:
if not entry.has_key(_mail_attr):
log.debug(_("key %r not in entry") % (_mail_attr), level=8)
if _mail_attr == primary_mail_attribute:
log.debug(_("key %r is the prim. mail attr.") % (_mail_attr), level=8)
if not primary_mail == None:
log.debug(_("prim. mail pol. is not empty"), level=8)
want_attrs.append(_mail_attr)
elif _mail_attr == secondary_mail_attribute:
log.debug(_("key %r is the sec. mail attr.") % (_mail_attr), level=8)
if not secondary_mail == None:
log.debug(_("sec. mail pol. is not empty"), level=8)
want_attrs.append(_mail_attr)
if len(want_attrs) > 0:
log.debug(_("Attributes %r are not yet available for entry %r") % (
want_attrs,
entry_dn
),
level=8
)
# Also append the preferredlanguage or 'native tongue' configured
# for the entry.
if not entry.has_key('preferredlanguage'):
want_attrs.append('preferredlanguage')
# If we wanted anything, now is the time to get it.
if len(want_attrs) > 0:
log.debug(_("Attributes %r are not yet available for entry %r") % (
want_attrs,
entry_dn
),
level=8
)
attributes = self.get_entry_attributes(entry_dn, want_attrs)
for attribute in attributes.keys():
entry[attribute] = attributes[attribute]
if not entry.has_key('preferredlanguage'):
entry['preferredlanguage'] = conf.get('kolab', 'default_locale')
# Primary mail address
if not primary_mail == None:
primary_mail_address = conf.plugins.exec_hook(
"set_primary_mail",
kw={
'primary_mail': primary_mail,
'entry': entry,
'primary_domain': self.domain
}
)
if primary_mail_address == None:
return entry_modifications
i = 1
_primary_mail = primary_mail_address
done = False
while not done:
results = self.find_recipient(_primary_mail, entry['id'])
# Length of results should be 0 (no entry found)
# or 1 (which should be the entry we're looking at here)
if len(results) == 0:
log.debug(
_("No results for mail address %s found") % (
_primary_mail
),
level=8
)
done = True
continue
if len(results) == 1:
log.debug(
_("1 result for address %s found, verifying") % (
_primary_mail
),
level=8
)
almost_done = True
for result in results:
if not result == entry_dn:
log.debug(
_("Too bad, primary email address %s " + \
"already in use for %s (we are %s)") % (
_primary_mail,
result,
entry_dn
),
level=8
)
almost_done = False
else:
log.debug(_("Address assigned to us"), level=8)
if almost_done:
done = True
continue
i += 1
_primary_mail = "%s%d@%s" % (
primary_mail_address.split('@')[0],
i,
primary_mail_address.split('@')[1]
)
primary_mail_address = _primary_mail
###
### FIXME
###
if not primary_mail_address == None:
if not entry.has_key(primary_mail_attribute):
self.set_entry_attribute(entry, primary_mail_attribute, primary_mail_address)
entry_modifications[primary_mail_attribute] = primary_mail_address
else:
if not primary_mail_address == entry[primary_mail_attribute]:
self.set_entry_attribute(entry, primary_mail_attribute, primary_mail_address)
entry_modifications[primary_mail_attribute] = primary_mail_address
if not secondary_mail == None:
# Execute the plugin hook
suggested_secondary_mail = conf.plugins.exec_hook(
"set_secondary_mail",
kw={
'secondary_mail': secondary_mail,
'entry': entry,
'domain': self.domain,
'primary_domain': self.domain,
'secondary_domains': self.list_secondary_domains()
}
) # end of conf.plugins.exec_hook() call
secondary_mail_addresses = []
for _secondary_mail in suggested_secondary_mail:
i = 1
__secondary_mail = _secondary_mail
done = False
while not done:
results = self.find_recipient(__secondary_mail, entry['id'])
# Length of results should be 0 (no entry found)
# or 1 (which should be the entry we're looking at here)
if len(results) == 0:
log.debug(
_("No results for address %s found") % (
__secondary_mail
),
level=8
)
done = True
continue
if len(results) == 1:
log.debug(
_("1 result for address %s found, " + \
"verifying...") % (
__secondary_mail
),
level=8
)
almost_done = True
for result in results:
if not result == entry_dn:
log.debug(
_("Too bad, secondary email " + \
"address %s already in use for " + \
"%s (we are %s)") % (
__secondary_mail,
result,
entry_dn
),
level=8
)
almost_done = False
else:
log.debug(_("Address assigned to us"), level=8)
if almost_done:
done = True
continue
i += 1
__secondary_mail = "%s%d@%s" % (
_secondary_mail.split('@')[0],
i,
_secondary_mail.split('@')[1]
)
secondary_mail_addresses.append(__secondary_mail)
log.debug(_("Recipient policy composed the following set of secondary " + \
"email addresses: %r") % (secondary_mail_addresses), level=8)
if entry.has_key(secondary_mail_attribute):
if isinstance(entry[secondary_mail_attribute], list):
secondary_mail_addresses.extend(entry[secondary_mail_attribute])
else:
secondary_mail_addresses.append(entry[secondary_mail_attribute])
if not secondary_mail_addresses == None:
log.debug(
_("Secondary mail addresses that we want is not None: %r") % (
secondary_mail_addresses
),
level=9
)
secondary_mail_addresses = list(set(secondary_mail_addresses))
# Avoid duplicates
while primary_mail_address in secondary_mail_addresses:
log.debug(
_("Avoiding the duplication of the primary mail " + \
"address %r in the list of secondary mail " + \
"addresses") % (primary_mail_address),
level=9
)
secondary_mail_addresses.pop(
secondary_mail_addresses.index(primary_mail_address)
)
log.debug(
_("Entry is getting secondary mail addresses: %r") % (
secondary_mail_addresses
),
level=9
)
if not entry.has_key(secondary_mail_attribute):
log.debug(
_("Entry did not have any secondary mail " + \
"addresses in %r") % (secondary_mail_attribute),
level=9
)
if not len(secondary_mail_addresses) == 0:
self.set_entry_attribute(
entry,
secondary_mail_attribute,
secondary_mail_addresses
)
entry_modifications[secondary_mail_attribute] = secondary_mail_addresses
else:
if isinstance(entry[secondary_mail_attribute], basestring):
entry[secondary_mail_attribute] = [entry[secondary_mail_attribute]]
log.debug(_("secondary_mail_addresses: %r") % (secondary_mail_addresses), level=8)
log.debug(_("entry[%s]: %r") % (secondary_mail_attribute,entry[secondary_mail_attribute]), level=8)
secondary_mail_addresses.sort()
entry[secondary_mail_attribute].sort()
log.debug(_("secondary_mail_addresses: %r") % (secondary_mail_addresses), level=8)
log.debug(_("entry[%s]: %r") % (secondary_mail_attribute,entry[secondary_mail_attribute]), level=8)
if not list(set(secondary_mail_addresses)) == list(set(entry[secondary_mail_attribute])):
self.set_entry_attribute(
entry,
secondary_mail_attribute,
list(set(secondary_mail_addresses))
)
entry_modifications[secondary_mail_attribute] = list(set(secondary_mail_addresses))
log.debug(_("Entry modifications list: %r") % (entry_modifications), level=8)
return entry_modifications
def reconnect(self):
self._disconnect()
self.connect()
def search_entry_by_attribute(self, attr, value, **kw):
self._bind()
_filter = "(%s=%s)" % (attr, ldap.filter.escape_filter_chars(value))
config_base_dn = self.config_get('base_dn')
ldap_base_dn = self._kolab_domain_root_dn(self.domain)
if not ldap_base_dn == None and not ldap_base_dn == config_base_dn:
base_dn = ldap_base_dn
else:
base_dn = config_base_dn
return self._search(
base_dn,
filterstr=_filter,
attrlist=[
'*',
],
override_search='_regular_search'
)
def set_entry_attribute(self, entry_id, attribute, value):
log.debug(_("Setting entry attribute %r to %r for %r") % (attribute, value, entry_id), level=9)
self.set_entry_attributes(entry_id, { attribute: value })
def set_entry_attributes(self, entry_id, attributes):
self._bind()
entry_dn = self.entry_dn(entry_id)
entry = self.get_entry_attributes(entry_dn, ['*'])
attrs = {}
for attribute in attributes.keys():
attrs[attribute.lower()] = attributes[attribute]
modlist = []
for attribute in attrs.keys():
if not entry.has_key(attribute):
entry[attribute] = self.get_entry_attribute(entry_id, attribute)
for attribute in attrs.keys():
if entry.has_key(attribute) and entry[attribute] == None:
modlist.append((ldap.MOD_ADD, attribute, attrs[attribute]))
elif entry.has_key(attribute) and not entry[attribute] == None:
if attrs[attribute] == None:
modlist.append((ldap.MOD_DELETE, attribute, entry[attribute]))
else:
modlist.append((ldap.MOD_REPLACE, attribute, attrs[attribute]))
dn = entry_dn
if len(modlist) > 0:
try:
self.ldap.modify_s(dn, modlist)
except:
log.error(_("Could not update dn %r:\n%r") % (dn, modlist))
def synchronize(self, mode=0, callback=None):
"""
Synchronize with LDAP
"""
self._bind()
_filter = self._kolab_filter()
modified_after = None
if hasattr(conf, 'resync'):
if not conf.resync:
modified_after = self.get_latest_sync_timestamp()
else:
modifytimestamp_format = conf.get_raw('ldap', 'modifytimestamp_format')
if modifytimestamp_format == None:
modifytimestamp_format = "%Y%m%d%H%M%SZ"
modified_after = datetime.datetime(1900, 01, 01, 00, 00, 00).strftime(modifytimestamp_format)
else:
modified_after = self.get_latest_sync_timestamp()
_filter = "(&%s(modifytimestamp>=%s))" % (_filter,modified_after)
log.debug(_("Using filter %r") % (_filter), level=8)
if not mode == 0:
override_search = mode
else:
override_search = False
config_base_dn = self.config_get('base_dn')
ldap_base_dn = self._kolab_domain_root_dn(self.domain)
if not ldap_base_dn == None and not ldap_base_dn == config_base_dn:
base_dn = ldap_base_dn
else:
base_dn = config_base_dn
log.debug(_("Synchronization is searching against base DN: %s") % (base_dn), level=8)
if callback == None:
callback = self._synchronize_callback
try:
self._search(
base_dn,
filterstr=_filter,
attrlist=[
'*',
self.config_get('unique_attribute'),
conf.get('cyrus-sasl', 'result_attribute'),
'modifytimestamp'
],
override_search=override_search,
callback=callback,
)
except Exception, errmsg:
log.error("An error occurred: %r" % (errmsg))
log.error(_("%s") % (traceback.format_exc()))
def user_quota(self, entry_id, folder):
default_quota = self.config_get('default_quota')
quota_attribute = self.config_get('quota_attribute')
if quota_attribute == None:
return
# The default quota may be None, but LDAP quota could still be set
if default_quota == None:
default_quota = 0
self._bind()
entry_dn = self.entry_dn(entry_id)
current_ldap_quota = self.get_entry_attribute(entry_dn, quota_attribute)
_imap_quota = self.imap.get_quota(folder)
if _imap_quota == None:
used = None
current_imap_quota = None
else:
(used, current_imap_quota) = _imap_quota
log.debug(
_("About to consider the user quota for %r (used: %r, " + \
"imap: %r, ldap: %r, default: %r") % (
entry_dn,
used,
current_imap_quota,
current_ldap_quota,
default_quota
),
level=9
)
new_quota = conf.plugins.exec_hook("set_user_folder_quota", kw={
'used': used,
'imap_quota': current_imap_quota,
'ldap_quota': current_ldap_quota,
'default_quota': default_quota
}
)
try:
current_ldap_quota = (int)(current_ldap_quota)
except:
current_ldap_quota = None
if not current_ldap_quota == None:
if not new_quota == (int)(current_ldap_quota):
self.set_entry_attribute(
entry_dn,
quota_attribute,
"%s" % (new_quota)
)
else:
if not new_quota == None:
self.set_entry_attribute(
entry_dn,
quota_attribute,
"%s" % (new_quota)
)
if not current_imap_quota == None:
if not new_quota == current_imap_quota:
self.imap.set_quota(folder, new_quota)
else:
if not new_quota == None:
self.imap.set_quota(folder, new_quota)
###
### API depth level increasing!
###
def _bind(self):
if self.ldap == None:
self.connect()
if not self.bind:
bind_dn = self.config_get('bind_dn')
bind_pw = self.config_get('bind_pw')
# TODO: Binding errors control
try:
self.ldap.simple_bind_s(bind_dn, bind_pw)
self.bind = True
except ldap.SERVER_DOWN:
log.error(_("LDAP server unavailable: %r") % (errmsg))
log.error(_("%s") % (traceback.format_exc()))
except ldap.INVALID_CREDENTIALS:
log.error(_("Invalid DN, username and/or password."))
else:
log.debug(_("_bind called, but already bound"), level=9)
def _change_add_group(self, entry, change):
"""
An entry of type group was added.
The Kolab daemon has little to do for this type of action on this
type of entry.
"""
pass
def _change_add_None(self, entry, change):
"""
Redirect to _change_add_unknown
"""
self._change_add_unknown(entry, change)
def _change_add_resource(self, entry, change):
"""
An entry of type resource was added.
The Kolab daemon has little to do for this type of action on this
type of entry.
"""
pass
def _change_add_role(self, entry, change):
"""
An entry of type role was added.
The Kolab daemon has little to do for this type of action on this
type of entry.
"""
pass
def _change_add_sharedfolder(self, entry, change):
"""
An entry of type sharedfolder was added.
"""
self.imap.connect(domain=self.domain)
server = None
# Get some configuration values
mailserver_attribute = self.config_get('mailserver_attribute')
if entry.has_key(mailserver_attribute):
server = entry[mailserver_attribute]
foldertype_attribute = self.config_get('sharedfolder_type_attribute')
if not foldertype_attribute == None:
if not entry.has_key(foldertype_attribute):
entry[foldertype_attribute] = self.get_entry_attribute(
entry['id'],
foldertype_attribute
)
if not entry[foldertype_attribute] == None:
entry['kolabfoldertype'] = entry[foldertype_attribute]
if not entry.has_key('kolabfoldertype'):
entry['kolabfoldertype'] = self.get_entry_attribute(
entry['id'],
'kolabfoldertype'
)
# A delivery address is postuser+targetfolder
delivery_address_attribute = self.config_get('sharedfolder_delivery_address_attribute')
if delivery_address_attribute == None:
delivery_address_attribute = 'mail'
if not entry.has_key(delivery_address_attribute):
entry[delivery_address_attribute] = self.get_entry_attribute(
entry['id'],
delivery_address_attribute
)
if not entry[delivery_address_attribute] == None:
if len(entry[delivery_address_attribute].split('+')) > 1:
entry['kolabtargetfolder'] = entry[delivery_address_attribute].split('+')[1]
if not entry.has_key('kolabtargetfolder'):
entry['kolabtargetfolder'] = self.get_entry_attribute(
entry['id'],
'kolabtargetfolder'
)
if entry.has_key('kolabtargetfolder') and \
not entry['kolabtargetfolder'] == None:
folder_path = entry['kolabtargetfolder']
else:
# TODO: What is *the* way to see if we need to create an @domain
# shared mailbox?
# TODO^2: self.domain, really? Presumes any mail attribute is
# set to the primary domain name space...
# TODO^3: Test if the cn is already something@domain
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if result_attribute in ['mail']:
folder_path = "%s@%s" % (entry['cn'], self.domain)
else:
folder_path = entry['cn']
if not folder_path.startswith('shared/'):
folder_path = "shared/%s" % folder_path
folderacl_entry_attribute = self.config_get('sharedfolder_acl_entry_attribute')
if folderacl_entry_attribute == None:
folderacl_entry_attribute = 'acl'
if not entry.has_key(folderacl_entry_attribute):
entry[folderacl_entry_attribute] = self.get_entry_attribute(
entry['id'],
folderacl_entry_attribute
)
if not entry[folderacl_entry_attribute] == None:
# Parse it before assigning it
entry['kolabfolderaclentry'] = []
if not isinstance(entry[folderacl_entry_attribute], list):
entry[folderacl_entry_attribute] = [ entry[folderacl_entry_attribute] ]
for acl_entry in entry[folderacl_entry_attribute]:
acl_access = acl_entry.split()[-1]
if len(acl_entry.split(', ')) > 0:
aci_subject = ', '.join(acl_entry.split(', ')[:-1])
else:
aci_subject = acl_entry.split()[0]
log.debug(_("Found a subject %r with access %r") % (aci_subject, acl_access), level=8)
access_lookup_dict = {
'all': 'lrsedntxakcpiw',
'append': 'wip',
'full': 'lrswipkxtecdn',
'read': 'lrs',
'read-only': 'lrs',
'read-write': 'lrswitedn',
'post': 'p',
'semi-full': 'lrswit',
'write': 'lrswite',
}
if access_lookup_dict.has_key(acl_access):
acl_access = access_lookup_dict[acl_access]
log.debug(_("Found a subject %r with access %r") % (aci_subject, acl_access), level=8)
entry['kolabfolderaclentry'].append("(%r, %r, %r)" % (folder_path, aci_subject, acl_access))
if not self.imap.shared_folder_exists(folder_path):
self.imap.shared_folder_create(folder_path, server)
self.imap.set_acl(folder_path, 'anyone', '')
if entry.has_key('kolabfoldertype') and \
not entry['kolabfoldertype'] == None:
self.imap.shared_folder_set_type(
folder_path,
entry['kolabfoldertype']
)
if entry.has_key('kolabfolderaclentry') and \
not entry['kolabfolderaclentry'] == None:
self.imap._set_kolab_mailfolder_acls(
entry['kolabfolderaclentry']
)
if entry.has_key(delivery_address_attribute) and \
not entry[delivery_address_attribute] == None:
self.imap.set_acl(folder_path, 'anyone', '+p')
#if server == None:
#self.entry_set_attribute(mailserver_attribute, server)
def _change_add_unknown(self, entry, change):
"""
An entry has been add, and we do not know of what object type
the entry was - user, group, role or sharedfolder.
"""
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if not entry.has_key(result_attribute):
return None
if entry[result_attribute] == None:
return None
for _type in ['user','group','role','sharedfolder']:
try:
eval("self._change_add_%s(entry, change)" % (_type))
success = True
except:
success = False
if success:
break
def _change_add_user(self, entry, change):
"""
An entry of type user was added.
"""
mailserver_attribute = self.config_get('mailserver_attribute')
if mailserver_attribute == None:
mailserver_attribute = 'mailhost'
mailserver_attribute = mailserver_attribute.lower()
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if result_attribute == None:
result_attribute = 'mail'
result_attribute = result_attribute.lower()
if not entry.has_key(mailserver_attribute):
entry[mailserver_attribute] = \
self.get_entry_attribute(entry, mailserver_attribute)
rcpt_addrs = self.recipient_policy(entry)
for key in rcpt_addrs:
entry[key] = rcpt_addrs[key]
if not entry.has_key(result_attribute):
return
if entry[result_attribute] == None:
return
if entry[result_attribute] == '':
return
cache.get_entry(self.domain, entry)
self.imap.connect(domain=self.domain)
if not self.imap.user_mailbox_exists(entry[result_attribute].lower()):
folder = self.imap.user_mailbox_create(
entry[result_attribute],
entry[mailserver_attribute]
)
else:
folder = "user%s%s" % (self.imap.get_separator(),entry[result_attribute].lower())
server = self.imap.user_mailbox_server(folder)
log.debug(
_("Entry %s attribute value: %r") % (
mailserver_attribute,
entry[mailserver_attribute]
),
level=8
)
log.debug(
_("imap.user_mailbox_server(%r) result: %r") % (
folder,
server
),
level=8
)
if not entry[mailserver_attribute] == server:
self.set_entry_attribute(entry, mailserver_attribute, server)
self.user_quota(entry, folder)
def _change_delete_group(self, entry, change):
"""
An entry of type group was deleted.
"""
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if not entry.has_key(result_attribute):
return None
if entry[result_attribute] == None:
return None
self.imap.cleanup_acls(entry[result_attribute])
def _change_delete_None(self, entry, change):
"""
Redirect to _change_delete_unknown
"""
self._change_delete_unknown(entry, change)
def _change_delete_resource(self, entry, change):
pass
def _change_delete_role(self, entry, change):
pass
def _change_delete_sharedfolder(self, entry, change):
pass
def _change_delete_unknown(self, entry, change):
"""
An entry has been deleted, and we do not know of what object type
the entry was - user, group, resource, role or sharedfolder.
"""
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if not entry.has_key(result_attribute):
return None
if entry[result_attribute] == None:
return None
success = True
for _type in ['user','group','resource','role','sharedfolder']:
try:
success = eval("self._change_delete_%s(entry, change)" % (_type))
except Exception, errmsg:
log.error(_("An error occured: %r") % (errmsg))
log.error(_("%s") % (traceback.format_exc()))
success = False
if success:
break
def _change_delete_user(self, entry, change):
"""
An entry of type user was deleted.
"""
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if not entry.has_key(result_attribute):
return None
if entry[result_attribute] == None:
return None
cache.delete_entry(self.domain, entry)
self.imap.user_mailbox_delete(entry[result_attribute])
self.imap.cleanup_acls(entry[result_attribute])
# let plugins act upon this deletion
conf.plugins.exec_hook(
'user_delete',
kw = {
'user': entry,
'domain': self.domain
}
)
def _change_moddn_group(self, entry, change):
# TODO: If the rdn attribute is the same as the result attribute...
pass
def _change_moddn_role(self, entry, change):
pass
def _change_moddn_user(self, entry, change):
old_dn = change['previous_dn']
new_dn = change['dn']
import ldap.dn
old_rdn = ldap.dn.explode_dn(old_dn)[0].split('=')[0]
new_rdn = ldap.dn.explode_dn(new_dn)[0].split('=')[0]
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
old_canon_attr = None
cache_entry = cache.get_entry(self.domain, entry)
if not cache_entry == None:
old_canon_attr = cache_entry.result_attribute
# See if we have to trigger the recipient policy. Only really applies to
# situations in which the result_attribute is used in the old or in the
# new DN.
trigger_recipient_policy = False
if old_rdn == result_attribute:
if new_rdn == result_attribute:
if new_rdn == old_rdn:
trigger_recipient_policy = True
else:
if not new_rdn == old_rdn:
trigger_recipient_policy = True
else:
if new_rdn == result_attribute:
if not new_rdn == old_rdn:
trigger_recipient_policy = True
if trigger_recipient_policy:
entry_changes = self.recipient_policy(entry)
for key in entry_changes.keys():
entry[key] = entry_changes[key]
if not entry.has_key(result_attribute):
return
if entry[result_attribute] == None:
return
if entry[result_attribute] == '':
return
# Now look at entry_changes and old_canon_attr, and see if they're
# the same value.
if entry_changes.has_key(result_attribute):
if not old_canon_attr == None:
self.imap.user_mailbox_create(
entry_changes[result_attribute]
)
elif not entry_changes[result_attribute] == old_canon_attr:
self.imap.user_mailbox_rename(
old_canon_attr,
entry_changes[result_attribute]
)
cache.get_entry(self.domain, entry)
def _change_moddn_sharedfolder(self, entry, change):
pass
def _change_modify_group(self, entry, change):
pass
def _change_modify_role(self, entry, change):
pass
def _change_modify_sharedfolder(self, entry, change):
"""
A shared folder was modified.
"""
self.imap.connect(domain=self.domain)
server = None
# Get some configuration values
mailserver_attribute = self.config_get('mailserver_attribute')
if entry.has_key(mailserver_attribute):
server = entry[mailserver_attribute]
foldertype_attribute = self.config_get('sharedfolder_type_attribute')
if not foldertype_attribute == None:
if not entry.has_key(foldertype_attribute):
entry[foldertype_attribute] = self.get_entry_attribute(
entry['id'],
foldertype_attribute
)
if not entry[foldertype_attribute] == None:
entry['kolabfoldertype'] = entry[foldertype_attribute]
if not entry.has_key('kolabfoldertype'):
entry['kolabfoldertype'] = self.get_entry_attribute(
entry['id'],
'kolabfoldertype'
)
# A delivery address is postuser+targetfolder
delivery_address_attribute = self.config_get('sharedfolder_delivery_address_attribute')
if not delivery_address_attribute == None:
if not entry.has_key(delivery_address_attribute):
entry[delivery_address_attribute] = self.get_entry_attribute(
entry['id'],
delivery_address_attribute
)
if not entry[delivery_address_attribute] == None:
if len(entry[delivery_address_attribute].split('+')) > 1:
entry['kolabtargetfolder'] = entry[delivery_address_attribute].split('+')[1]
if not entry.has_key('kolabtargetfolder'):
entry['kolabtargetfolder'] = self.get_entry_attribute(
entry['id'],
'kolabtargetfolder'
)
if entry.has_key('kolabtargetfolder') and \
not entry['kolabtargetfolder'] == None:
folder_path = entry['kolabtargetfolder']
else:
# TODO: What is *the* way to see if we need to create an @domain
# shared mailbox?
# TODO^2: self.domain, really? Presumes any mail attribute is
# set to the primary domain name space...
# TODO^3: Test if the cn is already something@domain
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if result_attribute in ['mail']:
folder_path = "%s@%s" % (entry['cn'], self.domain)
else:
folder_path = entry['cn']
if not folder_path.startswith('shared/'):
folder_path = "shared/%s" % folder_path
folderacl_entry_attribute = self.config_get('sharedfolder_acl_entry_attribute')
if folderacl_entry_attribute == None:
folderacl_entry_attribute = 'acl'
if not entry.has_key(folderacl_entry_attribute):
entry[folderacl_entry_attribute] = self.get_entry_attribute(
entry['id'],
folderacl_entry_attribute
)
if not entry[folderacl_entry_attribute] == None:
# Parse it before assigning it
entry['kolabfolderaclentry'] = []
if not isinstance(entry[folderacl_entry_attribute], list):
entry[folderacl_entry_attribute] = [ entry[folderacl_entry_attribute] ]
for acl_entry in entry[folderacl_entry_attribute]:
acl_access = acl_entry.split()[-1]
if len(acl_entry.split(', ')) > 0:
aci_subject = ', '.join(acl_entry.split(', ')[:-1])
else:
aci_subject = acl_entry.split()[0]
log.debug(_("Found a subject %r with access %r") % (aci_subject, acl_access), level=8)
access_lookup_dict = {
'all': 'lrsedntxakcpiw',
'append': 'wip',
'full': 'lrswipkxtecdn',
'read': 'lrs',
'read-only': 'lrs',
'read-write': 'lrswitedn',
'post': 'p',
'semi-full': 'lrswit',
'write': 'lrswite',
}
if access_lookup_dict.has_key(acl_access):
acl_access = access_lookup_dict[acl_access]
log.debug(_("Found a subject %r with access %r") % (aci_subject, acl_access), level=8)
entry['kolabfolderaclentry'].append("(%r, %r, %r)" % (folder_path, aci_subject, acl_access))
if not self.imap.shared_folder_exists(folder_path):
self.imap.shared_folder_create(folder_path, server)
self.imap.set_acl(folder_path, 'anyone', '')
if entry.has_key('kolabfoldertype') and \
not entry['kolabfoldertype'] == None:
self.imap.shared_folder_set_type(
folder_path,
entry['kolabfoldertype']
)
if entry.has_key('kolabfolderaclentry') and \
not entry['kolabfolderaclentry'] == None:
self.imap._set_kolab_mailfolder_acls(
entry['kolabfolderaclentry']
)
if entry.has_key(delivery_address_attribute) and \
not entry[delivery_address_attribute] == None:
self.imap.set_acl(folder_path, 'anyone', '+p')
def _change_modify_user(self, entry, change):
"""
Handle the changes for an object of type user.
Expects the new entry.
"""
# Initialize old_canon_attr (#1701)
old_canon_attr = None
result_attribute = conf.get('cyrus-sasl','result_attribute')
_entry = cache.get_entry(self.domain, entry, update=False)
# We do not necessarily have a synchronisation cache entry (#1701)
if not _entry == None:
if _entry.__dict__.has_key('result_attribute') and not _entry.result_attribute == '':
old_canon_attr = _entry.result_attribute
entry_changes = self.recipient_policy(entry)
log.debug(
_("Result from recipient policy: %r") % (entry_changes),
level=8
)
if entry_changes.has_key(result_attribute):
if not entry_changes[result_attribute] == old_canon_attr:
if old_canon_attr == None:
self.imap.user_mailbox_create(
entry_changes[result_attribute]
)
else:
self.imap.user_mailbox_rename(
old_canon_attr,
entry_changes[result_attribute]
)
entry[result_attribute] = entry_changes[result_attribute]
cache.get_entry(self.domain, entry)
elif entry.has_key(result_attribute):
if not entry[result_attribute] == old_canon_attr:
if old_canon_attr == None:
self.imap.user_mailbox_create(
entry[result_attribute]
)
else:
self.imap.user_mailbox_rename(
old_canon_attr,
entry[result_attribute]
)
cache.get_entry(self.domain, entry)
else:
imap_mailbox = "user%s%s" % (
self.imap.get_separator(),
entry[result_attribute]
)
if not self.imap.has_folder(imap_mailbox):
self.imap_user_mailbox_create(
entry[result_attribute]
)
self.user_quota(
entry,
"user%s%s" % (
self.imap.get_separator(),
entry[result_attribute]
)
)
if conf.has_option(self.domain, 'sieve_mgmt'):
sieve_mgmt_enabled = conf.get(self.domain, 'sieve_mgmt')
if utils.true_or_false(sieve_mgmt_enabled):
conf.plugins.exec_hook(
'sieve_mgmt_refresh',
kw={
'user': entry[result_attribute]
}
)
def _change_none_group(self, entry, change):
"""
A group entry as part of the initial search result set.
The Kolab daemon has little to do for this type of action on this
type of entry.
"""
pass
def _change_none_None(self, entry, change):
pass
def _change_none_role(self, entry, change):
"""
A role entry as part of the initial search result set.
The Kolab daemon has little to do for this type of action on this
type of entry.
"""
pass
def _change_none_sharedfolder(self, entry, change):
"""
A sharedfolder entry as part of the initial search result set.
"""
self.imap.connect(domain=self.domain)
server = None
mailserver_attribute = self.config_get('mailserver_attribute')
if entry.has_key(mailserver_attribute):
server = entry[mailserver_attribute]
if not entry.has_key('kolabtargetfolder'):
entry['kolabtargetfolder'] = self.get_entry_attribute(
entry['id'],
'kolabtargetfolder'
)
if not entry.has_key('kolabfoldertype'):
entry['kolabfoldertype'] = self.get_entry_attribute(
entry['id'],
'kolabfoldertype'
)
folderacl_entry_attribute = conf.get('ldap', 'sharedfolder_acl_entry_attribute')
if folderacl_entry_attribute == None:
folderacl_entry_attribute = 'acl'
if not entry.has_key(folderacl_entry_attribute):
entry['kolabfolderaclentry'] = self.get_entry_attribute(
entry['id'],
folderacl_entry_attribute
)
else:
entry['kolabfolderaclentry'] = entry[folderacl_entry_attribute]
del entry[folderacl_entry_attribute]
if entry.has_key('kolabtargetfolder') and \
not entry['kolabtargetfolder'] == None:
folder_path = entry['kolabtargetfolder']
else:
# TODO: What is *the* way to see if we need to create an @domain
# shared mailbox?
# TODO^2: self.domain, really? Presumes any mail attribute is
# set to the primary domain name space...
# TODO^3: Test if the cn is already something@domain
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if result_attribute in ['mail']:
folder_path = "%s@%s" % (entry['cn'], self.domain)
else:
folder_path = entry['cn']
if not folder_path.startswith('shared/'):
folder_path = "shared/%s" % folder_path
if not self.imap.shared_folder_exists(folder_path):
self.imap.shared_folder_create(folder_path, server)
if entry.has_key('kolabfoldertype') and \
not entry['kolabfoldertype'] == None:
self.imap.shared_folder_set_type(
folder_path,
entry['kolabfoldertype']
)
if entry.has_key('kolabfolderaclentry') and \
not entry['kolabfolderaclentry'] == None:
if isinstance(entry['kolabfolderaclentry'], basestring):
entry['kolabfolderaclentry'] = [ entry['kolabfolderaclentry'] ]
import copy
_acls = copy.deepcopy(entry['kolabfolderaclentry'])
entry['kolabfolderaclentry'] = []
for _entry in _acls:
if _entry[0] == "(":
entry['kolabfolderaclentry'].append(_entry)
continue
s,r = [x.strip() for x in _entry.split(',')]
entry['kolabfolderaclentry'].append("('%s', '%s', '%s')" % (folder_path, s, r))
self.imap._set_kolab_mailfolder_acls(
entry['kolabfolderaclentry']
)
elif entry['kolabfolderaclentry'] in [None,[]]:
for ace in self.imap.list_acls(folder_path):
aci_subject = ace.split()[0]
self.imap.set_acl(folder_path, aci_subject, '')
delivery_address_attribute = self.config_get('sharedfolder_delivery_address_attribute')
if entry.has_key(delivery_address_attribute) and \
not entry[delivery_address_attribute] == None:
self.imap.set_acl(folder_path, 'anyone', '+p')
#if server == None:
#self.entry_set_attribute(mailserver_attribute, server)
def _change_none_user(self, entry, change):
"""
A user entry as part of the initial search result set.
"""
mailserver_attribute = self.config_get('mailserver_attribute')
if mailserver_attribute == None:
mailserver_attribute = 'mailhost'
mailserver_attribute = mailserver_attribute.lower()
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if result_attribute == None:
result_attribute = 'mail'
result_attribute = result_attribute.lower()
old_canon_attr = None
_entry = cache.get_entry(self.domain, entry, update=False)
if not _entry == None and _entry.__dict__.has_key('result_attribute') and not _entry.result_attribute == '':
old_canon_attr = _entry.result_attribute
entry_changes = self.recipient_policy(entry)
if entry.has_key(result_attribute) and entry_changes.has_key(result_attribute):
if not entry[result_attribute] == entry_changes[result_attribute]:
old_canon_attr = entry[result_attribute]
log.debug(
_("Result from recipient policy: %r") % (entry_changes),
level=8
)
if entry_changes.has_key(result_attribute) and not old_canon_attr == None:
if not entry_changes[result_attribute] == old_canon_attr:
self.imap.user_mailbox_rename(
old_canon_attr,
entry_changes[result_attribute]
)
for key in entry_changes.keys():
entry[key] = entry_changes[key]
self.set_entry_attribute(entry, key, entry[key])
cache.get_entry(self.domain, entry)
self.imap.connect(domain=self.domain)
server = None
if not entry.has_key(mailserver_attribute):
entry[mailserver_attribute] = self.get_entry_attribute(entry, mailserver_attribute)
if entry[mailserver_attribute] == "" or entry[mailserver_attribute] == None:
server = None
else:
server = entry[mailserver_attribute].lower()
if entry.has_key(result_attribute) and \
not entry.has_key(result_attribute) == None:
if not self.imap.user_mailbox_exists(entry[result_attribute]):
folder = self.imap.user_mailbox_create(entry[result_attribute], server=server)
server = self.imap.user_mailbox_server(folder)
else:
folder = "user%s%s" % (
self.imap.get_separator(),
entry[result_attribute]
)
server = self.imap.user_mailbox_server(folder)
self.user_quota(entry, folder)
mailserver_attr = self.config_get('mailserver_attribute')
if not entry.has_key(mailserver_attr):
self.set_entry_attribute(entry, mailserver_attr, server)
else:
if not entry[mailserver_attr] == server:
# TODO: Should actually transfer mailbox
self.set_entry_attribute(entry, mailserver_attr, server)
else:
log.warning(
_("Kolab user %s does not have a result attribute %r") % (
entry['id'],
result_attribute
)
)
def _disconnect(self):
self._unbind()
del self.ldap
self.ldap = None
self.bind = False
def _domain_naming_context(self, domain):
self._bind()
# The list of naming contexts in the LDAP server
attrs = self.get_entry_attributes("", ['namingContexts'])
naming_contexts = attrs['namingcontexts']
log.debug(
_("Naming contexts found: %r") % (naming_contexts),
level=8
)
self._kolab_domain_root_dn(domain)
log.debug(
_("Domains/Root DNs found: %r") % (
self.domain_rootdns
),
level=8
)
# If we have a 1:1 match, continue as planned
if self.domain_rootdns.has_key(domain):
if self.domain_rootdns[domain] in naming_contexts:
log.debug(
_("Domain '%s' has a root dn all by itself, namely '%s'") % (
domain,
self.domain_rootdns[domain]
),
level=8
)
return domain
else:
naming_context = ''.join(
[x for x in self.domain_rootdns.keys() \
if self.domain_rootdns[x] in \
[y for y in naming_contexts \
if self.domain_rootdns[domain].endswith(y) \
] \
]
)
log.debug(
_("Domain '%s' has a base dn residing inside root dn '%s'") % (
domain,
naming_context
),
level=8
)
return naming_context
else:
# Should not end up here
log.error(
_("Could not find a naming context for domain '%s'") % (domain)
)
return None
def _entry_dict(self, value):
"""
Tests if 'value' is a valid entry dictionary with a DN contained
within key 'dn'.
Returns True or False
"""
if isinstance(value, dict):
if value.has_key('dn'):
return True
return False
def _entry_dn(self, value):
"""
Tests if 'value' is a valid DN.
Returns True or False
"""
# Only basestrings can be DNs
if not isinstance(value, basestring):
return False
try:
import ldap.dn
ldap_dn = ldap.dn.explode_dn(value)
except ldap.DECODING_ERROR:
# This is not a DN.
return False
return True
def _entry_type(self, entry_id):
"""
Return the type of object for an entry.
"""
self._bind()
entry_dn = self.entry_dn(entry_id)
config_base_dn = self.config_get('base_dn')
ldap_base_dn = self._kolab_domain_root_dn(self.domain)
if not ldap_base_dn == None and not ldap_base_dn == config_base_dn:
base_dn = ldap_base_dn
else:
base_dn = config_base_dn
for _type in ['user', 'group', 'sharedfolder']:
__filter = self.config_get('kolab_%s_filter' % (_type))
if __filter == None:
__filter = self.config_get('%s_filter' % (_type))
if not __filter == None:
try:
result = self._regular_search(entry_dn, filterstr=__filter)
except:
result = self._regular_search(
base_dn,
filterstr="(%s=%s)" %(
self.config_get('unique_attribute'),
entry_id['id'])
)
if not result:
continue
else:
return _type
def _find_user_dn(self, login, kolabuser=False):
"""
Find the distinguished name (DN) for a (Kolab) user entry in LDAP.
"""
conf_prefix = 'kolab_' if kolabuser else ''
domain_root_dn = self._kolab_domain_root_dn(self.domain)
user_base_dn = self.config_get(conf_prefix + 'user_base_dn')
if user_base_dn == None:
user_base_dn = self.config_get('base_dn')
auth_attrs = self.config_get_list('auth_attributes')
auth_search_filter = [ '(|' ]
for auth_attr in auth_attrs:
auth_search_filter.append('(%s=%s)' % (auth_attr,login))
if not '@' in login:
auth_search_filter.append(
'(%s=%s@%s)' % (
auth_attr,
login,
self.domain
)
)
auth_search_filter.append(')')
auth_search_filter = ''.join(auth_search_filter)
user_filter = self.config_get(conf_prefix + 'user_filter')
search_filter = "(&%s%s)" % (
auth_search_filter,
user_filter
)
_results = self._search(
user_base_dn,
filterstr=search_filter,
attrlist=[ 'dn' ],
override_search='_regular_search'
)
if len(_results) == 1:
(_user_dn, _user_attrs) = _results[0]
else:
# Retry to find the user_dn with just uid=%s against the root_dn,
# if the login is not fully qualified
if len(login.split('@')) < 2:
search_filter = "(uid=%s)" % (login)
_results = self._search(
domain,
filterstr=search_filter,
attrlist=[ 'dn' ]
)
if len(_results) == 1:
(_user_dn, _user_attrs) = _results[0]
else:
# Overall fail
return False
else:
return False
return _user_dn
def _kolab_domain_root_dn(self, domain):
if not hasattr(self, 'domain_rootdns'):
self.domain_rootdns = {}
if self.domain_rootdns.has_key(domain):
return self.domain_rootdns[domain]
self._bind()
log.debug(_("Finding domain root dn for domain %s") % (domain), level=8)
bind_dn = conf.get('ldap', 'bind_dn')
bind_pw = conf.get('ldap', 'bind_pw')
domain_base_dn = conf.get('ldap', 'domain_base_dn', quiet=True)
domain_filter = conf.get('ldap', 'domain_filter')
if not domain_filter == None:
if not domain == None:
domain_filter = domain_filter.replace('*', domain)
if not domain_base_dn == "":
_results = self._search(
domain_base_dn,
ldap.SCOPE_SUBTREE,
domain_filter,
override_search='_regular_search'
)
domains = []
for _domain in _results:
(domain_dn, _domain_attrs) = _domain
domain_rootdn_attribute = conf.get(
'ldap',
'domain_rootdn_attribute'
)
_domain_attrs = utils.normalize(_domain_attrs)
if _domain_attrs.has_key(domain_rootdn_attribute):
self.domain_rootdns[domain] = _domain_attrs[domain_rootdn_attribute]
return _domain_attrs[domain_rootdn_attribute]
else:
domain_name_attribute = self.config_get('domain_name_attribute')
if domain_name_attribute == None:
domain_name_attribute = 'associateddomain'
if isinstance(_domain_attrs[domain_name_attribute], list):
domain = _domain_attrs[domain_name_attribute][0]
else:
domain = _domain_attrs[domain_name_attribute]
else:
if conf.has_option('ldap', 'base_dn'):
return conf.get('ldap', 'base_dn')
self.domain_rootdns[domain] = utils.standard_root_dn(domain)
return self.domain_rootdns[domain]
def _kolab_filter(self):
"""
Compose a filter using the relevant settings from configuration.
"""
_filter = "(|"
for _type in ['user', 'group', 'resource', 'sharedfolder']:
__filter = self.config_get('kolab_%s_filter' % (_type))
if __filter == None:
__filter = self.config_get('%s_filter' % (_type))
if not __filter == None:
_filter = "%s%s" % (_filter,__filter)
_filter = "%s)" % (_filter)
return _filter
def _list_domains(self, domain=None):
"""
Find the domains related to this Kolab setup, and return a list of
DNS domain names.
Returns a list of tuples, each tuple containing the primary domain
name and a list of secondary domain names.
This function should only be called by the primary instance of Auth.
"""
log.debug(_("Listing domains..."), level=8)
self.connect()
bind_dn = conf.get('ldap', 'bind_dn')
bind_pw = conf.get('ldap', 'bind_pw')
domain_base_dn = conf.get('ldap', 'domain_base_dn', quiet=True)
if domain_base_dn == "":
# No domains are to be found in LDAP, return an empty list.
# Note that the Auth() base itself handles this case.
return []
# If we haven't returned already, let's continue searching
domain_filter = conf.get('ldap', 'domain_filter')
if not domain == None:
domain_filter = domain_filter.replace('*', domain)
if domain_base_dn == None or domain_filter == None:
return []
# TODO: this function should be wrapped for error handling
try:
self.ldap.simple_bind_s(bind_dn, bind_pw)
except ldap.SERVER_DOWN, e:
raise AuthBackendError, _("Authentication database DOWN")
dna = self.config_get('domain_name_attribute')
if dna == None:
dna = 'associateddomain'
try:
_search = self._search(
domain_base_dn,
ldap.SCOPE_SUBTREE,
domain_filter,
# TODO: Where we use associateddomain is actually
# configurable
[ dna ],
override_search='_regular_search'
)
except:
return []
domains = []
for domain_dn, domain_attrs in _search:
primary_domain = None
secondary_domains = []
domain_attrs = utils.normalize(domain_attrs)
# TODO: Where we use associateddomain is actually configurable
if type(domain_attrs[dna]) == list:
primary_domain = domain_attrs[dna].pop(0).lower()
secondary_domains = [x.lower() for x in domain_attrs[dna]]
else:
primary_domain = domain_attrs[dna].lower()
domains.append((primary_domain,secondary_domains))
return domains
def _reconnect(self):
"""
Reconnect to LDAP
"""
self._disconnect()
self.connect()
def _synchronize_callback(self, *args, **kw):
"""
Determine the characteristics of the callback being placed, and
what data is contained within *args and **kw exactly.
The exact form and shape of the feedback very much depends on the
supportedControl used to even get the data.
"""
log.debug(
"auth.ldap.LDAP._synchronize_callback(args %r, kw %r)" % (
args,
kw
),
level=9
)
# Typical for Persistent Change Control EntryChangeNotification
if kw.has_key('change_type'):
change_type = None
change_dict = {
'change_type': kw['change_type'],
'previous_dn': kw['previous_dn'],
'change_number': kw['change_number'],
'dn': kw['dn']
}
entry = utils.normalize(kw['entry'])
entry['dn'] = kw['dn']
unique_attr = self.config_get('unique_attribute')
entry['id'] = entry[unique_attr]
try:
entry['type'] = self._entry_type(entry)
except:
entry['type'] = None
log.debug(_("Entry type: %s") % (entry['type']), level=8)
if change_dict['change_type'] == None:
# This entry was in the start result set
eval("self._change_none_%s(entry, change_dict)" % (entry['type']))
else:
if isinstance(change_dict['change_type'], int):
change = psearch.CHANGE_TYPES_STR[change_dict['change_type']]
change = change.lower()
else:
change = change_dict['change_type']
# See if we can find the cache entry - this way we can get to
# the value of a (former, on a deleted entry) result_attribute
result_attribute = conf.get('cyrus-sasl', 'result_attribute')
if not entry.has_key(result_attribute):
cache_entry = cache.get_entry(self.domain, entry, update=False)
if hasattr(cache_entry, 'result_attribute') and change == 'delete':
entry[result_attribute] = cache_entry.result_attribute
eval(
"self._change_%s_%s(entry, change_dict)" % (
change,
entry['type']
)
)
# Typical for Paged Results Control
elif kw.has_key('entry') and isinstance(kw['entry'], list):
for entry_dn,entry_attrs in kw['entry']:
# This is a referral
if entry_dn == None:
continue
entry = { 'dn': entry_dn }
entry_attrs = utils.normalize(entry_attrs)
for attr in entry_attrs.keys():
entry[attr.lower()] = entry_attrs[attr]
unique_attr = self.config_get('unique_attribute')
entry['id'] = entry[unique_attr]
try:
entry['type'] = self._entry_type(entry)
except:
entry['type'] = "unknown"
log.debug(_("Entry type: %s") % (entry['type']), level=8)
eval("self._change_none_%s(entry, None)" % (entry['type']))
# result_attribute = conf.get('cyrus-sasl', 'result_attribute')
#
# rcpt_addrs = self.recipient_policy(entry)
#
# log.debug(_("Recipient Addresses: %r") % (rcpt_addrs), level=9)
#
# for key in rcpt_addrs.keys():
# entry[key] = rcpt_addrs[key]
#
# cache.get_entry(self.domain, entry)
#
# self.imap.connect(domain=self.domain)
#
# if not self.imap.user_mailbox_exists(entry[result_attribute]):
# folder = self.imap.user_mailbox_create(
# entry[result_attribute]
# )
#
# server = self.imap.user_mailbox_server(folder)
def _unbind(self):
"""
Discard the current set of bind credentials.
Virtually disconnects the LDAP connection, and should be followed by
a call to _bind() afterwards.
"""
self.ldap.unbind()
self.bind = False
###
### Backend search functions
###
def _persistent_search(self,
base_dn,
scope=ldap.SCOPE_SUBTREE,
filterstr="(objectClass=*)",
attrlist=None,
attrsonly=0,
timeout=-1,
callback=False,
primary_domain=None,
secondary_domains=[]
):
_results = []
psearch_server_controls = []
psearch_server_controls.append(psearch.PersistentSearchControl(
criticality=True,
changeTypes=[ 'add', 'delete', 'modify', 'modDN' ],
changesOnly=False,
returnECs=True
)
)
_search = self.ldap.search_ext(
base_dn,
scope=scope,
filterstr=filterstr,
attrlist=attrlist,
attrsonly=attrsonly,
timeout=timeout,
serverctrls=psearch_server_controls
)
ecnc = psearch.EntryChangeNotificationControl
while True:
res_type,res_data,res_msgid,_None,_None,_None = self.ldap.result4(
_search,
all=0,
add_ctrls=1,
add_intermediates=1,
resp_ctrl_classes={ecnc.controlType:ecnc}
)
change_type = None
previous_dn = None
change_number = None
for dn,entry,srv_ctrls in res_data:
log.debug(_("LDAP Search Result Data Entry:"), level=8)
log.debug(" DN: %r" % (dn), level=8)
log.debug(" Entry: %r" % (entry), level=8)
ecn_ctrls = [
c for c in srv_ctrls
if c.controlType == ecnc.controlType
]
if ecn_ctrls:
change_type = ecn_ctrls[0].changeType
previous_dn = ecn_ctrls[0].previousDN
change_number = ecn_ctrls[0].changeNumber
change_type_desc = psearch.CHANGE_TYPES_STR[change_type]
log.debug(
_("Entry Change Notification attributes:"),
level=8
)
log.debug(
" " + _("Change Type: %r (%r)") % (
change_type,
change_type_desc
),
level=8
)
log.debug(
" " + _("Previous DN: %r") % (previous_dn),
level=8
)
if callback:
callback(
dn=dn,
entry=entry,
previous_dn=previous_dn,
change_type=change_type,
change_number=change_number,
primary_domain=primary_domain,
secondary_domains=secondary_domains
)
def _paged_search(self,
base_dn,
scope=ldap.SCOPE_SUBTREE,
filterstr="(objectClass=*)",
attrlist=None,
attrsonly=0,
timeout=-1,
callback=False,
primary_domain=None,
secondary_domains=[]
):
page_size = 500
critical = True
_results = []
server_page_control = SimplePagedResultsControl(page_size=page_size)
_search = self.ldap.search_ext(
base_dn,
scope=scope,
filterstr=filterstr,
attrlist=attrlist,
attrsonly=attrsonly,
serverctrls=[server_page_control]
)
pages = 0
while True:
pages += 1
try:
(
_result_type,
_result_data,
_result_msgid,
_result_controls
) = self.ldap.result3(_search)
except ldap.NO_SUCH_OBJECT, e:
log.warning(
_("Object %s searched no longer exists") % (base_dn)
)
break
if callback:
callback(entry=_result_data)
_results.extend(_result_data)
if (pages % 2) == 0:
log.debug(_("%d results...") % (len(_results)))
pctrls = [
c for c in _result_controls
if c.controlType == LDAP_CONTROL_PAGED_RESULTS
]
if pctrls:
if hasattr(pctrls[0], 'size'):
size = pctrls[0].size
cookie = pctrls[0].cookie
else:
size, cookie = pctrls[0].controlValue
if cookie:
server_page_control.cookie = cookie
_search = self.ldap.search_ext(
base_dn,
scope=scope,
filterstr=filterstr,
attrlist=attrlist,
attrsonly=attrsonly,
serverctrls=[server_page_control]
)
else:
# TODO: Error out more verbose
break
else:
# TODO: Error out more verbose
print "Warning: Server ignores RFC 2696 control."
break
return _results
def _vlv_search(self,
base_dn,
scope=ldap.SCOPE_SUBTREE,
filterstr="(objectClass=*)",
attrlist=None,
attrsonly=0,
timeout=-1,
callback=False,
primary_domain=None,
secondary_domains=[]
):
pass
def _sync_repl(self,
base_dn,
scope=ldap.SCOPE_SUBTREE,
filterstr="(objectClass=*)",
attrlist=None,
attrsonly=0,
timeout=-1,
callback=False,
primary_domain=None,
secondary_domains=[]
):
import ldapurl
import syncrepl
ldap_url = ldapurl.LDAPUrl(self.config_get('ldap_uri'))
ldap_sync_conn = syncrepl.DNSync(
'/var/lib/kolab/syncrepl_%s.db' % (self.domain),
ldap_url.initializeUrl(),
trace_level=2,
callback=self._synchronize_callback
)
bind_dn = self.config_get('bind_dn')
bind_pw = self.config_get('bind_pw')
ldap_sync_conn.simple_bind_s(bind_dn, bind_pw)
msgid = ldap_sync_conn.syncrepl_search(
base_dn,
scope,
mode='refreshAndPersist',
filterstr=filterstr,
attrlist=attrlist,
)
try:
# Here's where returns need to be taken into account...
while ldap_sync_conn.syncrepl_poll(all=1, msgid=msgid):
pass
except KeyboardInterrupt:
pass
def _regular_search(self,
base_dn,
scope=ldap.SCOPE_SUBTREE,
filterstr="(objectClass=*)",
attrlist=None,
attrsonly=0,
timeout=-1,
callback=False,
primary_domain=None,
secondary_domains=[]
):
log.debug(_("Searching with filter %r") % (filterstr), level=8)
_search = self.ldap.search(
base_dn,
scope=scope,
filterstr=filterstr,
attrlist=attrlist,
attrsonly=attrsonly
)
_results = []
_result_type = None
while not _result_type == ldap.RES_SEARCH_RESULT:
(_result_type, _result) = self.ldap.result(_search, False, 0)
if not _result == None:
for result in _result:
_results.append(result)
return _results
def _search(self,
base_dn,
scope=ldap.SCOPE_SUBTREE,
filterstr="(objectClass=*)",
attrlist=None,
attrsonly=0,
timeout=-1,
override_search=False,
callback=False,
primary_domain=None,
secondary_domains=[]
):
"""
Search LDAP.
Use the priority ordered SUPPORTED_LDAP_CONTROLS and use
the first one supported.
"""
supported_controls = conf.get_list('ldap', 'supported_controls')
if not supported_controls == None and not len(supported_controls) < 1:
for control_num in [(int)(x) for x in supported_controls]:
self.ldap.supported_controls.append(
SUPPORTED_LDAP_CONTROLS[control_num]['func']
)
if len(self.ldap.supported_controls) < 1:
for control_num in SUPPORTED_LDAP_CONTROLS.keys():
log.debug(
_("Checking for support for %s on %s") % (
SUPPORTED_LDAP_CONTROLS[control_num]['desc'],
self.domain
),
level=8
)
_search = self.ldap.search_s(
'',
scope=ldap.SCOPE_BASE,
attrlist=['supportedControl']
)
for (_result,_supported_controls) in _search:
supported_controls = _supported_controls.values()[0]
for control_num in SUPPORTED_LDAP_CONTROLS.keys():
if SUPPORTED_LDAP_CONTROLS[control_num]['oid'] in \
supported_controls:
log.debug(_("Found support for %s") % (
SUPPORTED_LDAP_CONTROLS[control_num]['desc'],
),
level=8
)
self.ldap.supported_controls.append(
SUPPORTED_LDAP_CONTROLS[control_num]['func']
)
_results = []
if not override_search == False:
_use_ldap_controls = [ override_search ]
else:
_use_ldap_controls = self.ldap.supported_controls
for supported_control in _use_ldap_controls:
# Repeat the same supported control until
# a failure (Exception) occurs that been
# recognized as not an error related to the
# supported control (such as ldap.SERVER_DOWN).
failed_ok = False
while not failed_ok:
try:
exec("""_results = self.%s(
%r,
scope=%r,
filterstr=%r,
attrlist=%r,
attrsonly=%r,
timeout=%r,
callback=callback,
primary_domain=%r,
secondary_domains=%r
)""" % (
supported_control,
base_dn,
scope,
filterstr,
attrlist,
attrsonly,
timeout,
primary_domain,
secondary_domains
)
)
break
except ldap.SERVER_DOWN, errmsg:
log.error(_("LDAP server unavailable: %r") % (errmsg))
log.error(_("%s") % (traceback.format_exc()))
log.error(_("-- reconnecting in 10 seconds."))
time.sleep(10)
self.reconnect()
except Exception, errmsg:
failed_ok = True
log.error(_("An error occured using %s: %r") % (supported_control, errmsg))
log.error(_("%s") % (traceback.format_exc()))
continue
return _results

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