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freeipa/ipaserver/plugins/baseldap.py
Martin Basti 1e0f98a146 py3: convert_attribute_members: don't use bytes as parameter for DN 
due perfomance improvement in e4930b3235
we have to decode value before it can be used in DN() constructor.

https://fedorahosted.org/freeipa/ticket/4985

Reviewed-By: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Jan Cholasta <jcholast@redhat.com>
2017-01-24 13:25:47 +01:00

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# Authors:
# Pavel Zuna <pzuna@redhat.com>
#
# Copyright (C) 2009 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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/>.
"""
Base classes for LDAP plugins.
"""
import re
import time
from copy import deepcopy
import base64
import six
from ipalib import api, crud, errors
from ipalib import Method, Object
from ipalib import Flag, Int, Str
from ipalib.cli import to_cli
from ipalib import output
from ipalib.text import _
from ipalib.util import json_serialize, validate_hostname
from ipalib.capabilities import client_has_capability
from ipalib.messages import add_message, SearchResultTruncated
from ipapython.dn import DN
from ipapython.version import API_VERSION
if six.PY3:
unicode = str
DNA_MAGIC = -1
global_output_params = (
Flag('has_password',
label=_('Password'),
),
Str('member',
label=_('Failed members'),
),
Str('member_user?',
label=_('Member users'),
),
Str('member_group?',
label=_('Member groups'),
),
Str('memberof_group?',
label=_('Member of groups'),
),
Str('member_host?',
label=_('Member hosts'),
),
Str('member_hostgroup?',
label=_('Member host-groups'),
),
Str('memberof_hostgroup?',
label=_('Member of host-groups'),
),
Str('memberof_permission?',
label=_('Permissions'),
),
Str('memberof_privilege?',
label='Privileges',
),
Str('memberof_role?',
label=_('Roles'),
),
Str('memberof_sudocmdgroup?',
label=_('Sudo Command Groups'),
),
Str('member_privilege?',
label='Granted to Privilege',
),
Str('member_role?',
label=_('Granting privilege to roles'),
),
Str('member_netgroup?',
label=_('Member netgroups'),
),
Str('memberof_netgroup?',
label=_('Member of netgroups'),
),
Str('member_service?',
label=_('Member services'),
),
Str('member_servicegroup?',
label=_('Member service groups'),
),
Str('memberof_servicegroup?',
label='Member of service groups',
),
Str('member_hbacsvc?',
label=_('Member HBAC service'),
),
Str('member_hbacsvcgroup?',
label=_('Member HBAC service groups'),
),
Str('memberof_hbacsvcgroup?',
label='Member of HBAC service groups',
),
Str('member_sudocmd?',
label='Member Sudo commands',
),
Str('memberof_sudorule?',
label='Member of Sudo rule',
),
Str('memberof_hbacrule?',
label='Member of HBAC rule',
),
Str('memberindirect_user?',
label=_('Indirect Member users'),
),
Str('memberindirect_group?',
label=_('Indirect Member groups'),
),
Str('memberindirect_host?',
label=_('Indirect Member hosts'),
),
Str('memberindirect_hostgroup?',
label=_('Indirect Member host-groups'),
),
Str('memberindirect_role?',
label=_('Indirect Member of roles'),
),
Str('memberindirect_permission?',
label=_('Indirect Member permissions'),
),
Str('memberindirect_hbacsvc?',
label=_('Indirect Member HBAC service'),
),
Str('memberindirect_hbacsvcgrp?',
label=_('Indirect Member HBAC service group'),
),
Str('memberindirect_netgroup?',
label=_('Indirect Member netgroups'),
),
Str('memberofindirect_group?',
label='Indirect Member of group',
),
Str('memberofindirect_netgroup?',
label='Indirect Member of netgroup',
),
Str('memberofindirect_hostgroup?',
label='Indirect Member of host-group',
),
Str('memberofindirect_role?',
label='Indirect Member of role',
),
Str('memberofindirect_sudorule?',
label='Indirect Member of Sudo rule',
),
Str('memberofindirect_hbacrule?',
label='Indirect Member of HBAC rule',
),
Str('sourcehost',
label=_('Failed source hosts/hostgroups'),
),
Str('memberhost',
label=_('Failed hosts/hostgroups'),
),
Str('memberuser',
label=_('Failed users/groups'),
),
Str('memberservice',
label=_('Failed service/service groups'),
),
Str('failed',
label=_('Failed to remove'),
flags=['suppress_empty'],
),
Str('ipasudorunas',
label=_('Failed RunAs'),
),
Str('ipasudorunasgroup',
label=_('Failed RunAsGroup'),
),
)
def validate_add_attribute(ugettext, attr):
validate_attribute(ugettext, 'addattr', attr)
def validate_set_attribute(ugettext, attr):
validate_attribute(ugettext, 'setattr', attr)
def validate_del_attribute(ugettext, attr):
validate_attribute(ugettext, 'delattr', attr)
def validate_attribute(ugettext, name, attr):
m = re.match("\s*(.*?)\s*=\s*(.*?)\s*$", attr)
if not m or len(m.groups()) != 2:
raise errors.ValidationError(
name=name, error=_('Invalid format. Should be name=value'))
def get_effective_rights(ldap, dn, attrs=None):
assert isinstance(dn, DN)
if attrs is None:
attrs = ['*', 'nsaccountlock', 'cospriority']
rights = ldap.get_effective_rights(dn, attrs)
rdict = {}
if 'attributelevelrights' in rights:
rights = rights['attributelevelrights']
rights = rights[0].split(', ')
for r in rights:
(k,v) = r.split(':')
if v == 'none':
# the string "none" means "no rights found"
# see https://fedorahosted.org/freeipa/ticket/4359
v = u''
rdict[k.strip().lower()] = v
return rdict
def entry_from_entry(entry, newentry):
"""
Python is more or less pass-by-value except for immutable objects. So if
you pass in a dict to a function you are free to change members of that
dict but you can't create a new dict in the function and expect to replace
what was passed in.
In some post-op plugins that is exactly what we want to do, so here is a
clumsy way around the problem.
"""
# Wipe out the current data
for e in list(entry):
del entry[e]
# Re-populate it with new wentry
for e in newentry.keys():
entry[e] = newentry[e]
def entry_to_dict(entry, **options):
if options.get('raw', False):
result = {}
for attr in entry:
if attr.lower() == 'attributelevelrights':
value = entry[attr]
elif entry.conn.get_attribute_type(attr) is bytes:
value = entry.raw[attr]
else:
value = list(entry.raw[attr])
for (i, v) in enumerate(value):
try:
value[i] = v.decode('utf-8')
except UnicodeDecodeError:
pass
result[attr] = value
else:
result = dict((k.lower(), v) for (k, v) in entry.items())
if options.get('all', False):
result['dn'] = entry.dn
return result
def pkey_to_unicode(key):
if key is None:
key = []
elif not isinstance(key, (tuple, list)):
key = [key]
key = u','.join(unicode(k) for k in key)
return key
def pkey_to_value(key, options):
version = options.get('version', API_VERSION)
if client_has_capability(version, 'primary_key_types'):
return key
return pkey_to_unicode(key)
def wait_for_value(ldap, dn, attr, value):
"""
389-ds postoperation plugins are executed after the data has been
returned to a client. This means that plugins that add data in a
postop are not included in data returned to the user.
The downside of waiting is that this increases the time of the
command.
The updated entry is returned.
"""
# Loop a few times to give the postop-plugin a chance to complete
# Don't sleep for more than 6 seconds.
x = 0
while x < 20:
# sleep first because the first search, even on a quiet system,
# almost always fails.
time.sleep(.3)
x = x + 1
# FIXME: put a try/except around here? I think it is probably better
# to just let the exception filter up to the caller.
entry_attrs = ldap.get_entry(dn, ['*'])
if attr in entry_attrs:
if isinstance(entry_attrs[attr], (list, tuple)):
values = [y.lower() for y in entry_attrs[attr]]
if value.lower() in values:
break
else:
if value.lower() == entry_attrs[attr].lower():
break
return entry_attrs
def validate_externalhost(ugettext, hostname):
try:
validate_hostname(hostname, check_fqdn=False, allow_underscore=True)
except ValueError as e:
return unicode(e)
external_host_param = Str('externalhost*', validate_externalhost,
label=_('External host'),
flags=['no_option'],
)
def add_external_pre_callback(membertype, ldap, dn, keys, options):
"""
Pre callback to validate external members.
This should be called by a command pre callback directly.
membertype is the type of member
"""
assert isinstance(dn, DN)
# validate hostname with allowed underscore characters, non-fqdn
# hostnames are allowed
def validate_host(hostname):
validate_hostname(hostname, check_fqdn=False, allow_underscore=True)
if options.get(membertype):
if membertype == 'host':
validator = validate_host
else:
param = api.Object[membertype].primary_key
def validator(value):
value = param(value)
param.validate(value)
for value in options[membertype]:
try:
validator(value)
except errors.ValidationError as e:
raise errors.ValidationError(name=membertype, error=e.error)
except ValueError as e:
raise errors.ValidationError(name=membertype, error=e)
return dn
def add_external_post_callback(ldap, dn, entry_attrs, failed, completed,
memberattr, membertype, externalattr,
normalize=True):
"""
Takes the following arguments:
failed - the list of failed entries, these are candidates for possible
external entries to add
completed - the number of successfully added entries so far
memberattr - the attribute name that IPA uses for membership natively
(e.g. memberhost)
membertype - the object type of the member (e.g. host)
externalattr - the attribute name that IPA uses to store the membership
of the entries that are not managed by IPA
(e.g externalhost)
Returns the number of completed entries so far (the number of entries
handled by IPA incremented by the number of handled external entries) and
dn.
"""
assert isinstance(dn, DN)
completed_external = 0
# Sift through the failures. We assume that these are all
# entries that aren't stored in IPA, aka external entries.
if memberattr in failed and membertype in failed[memberattr]:
entry_attrs_ = ldap.get_entry(dn, [externalattr])
dn = entry_attrs_.dn
members = entry_attrs.get(memberattr, [])
external_entries = entry_attrs_.get(externalattr, [])
lc_external_entries = set(e.lower() for e in external_entries)
failed_entries = []
for entry in failed[memberattr][membertype]:
membername = entry[0].lower()
member_dn = api.Object[membertype].get_dn(membername)
assert isinstance(member_dn, DN)
if (membername not in lc_external_entries and
member_dn not in members):
# Not an IPA entry, assume external
if normalize:
external_entries.append(membername)
else:
external_entries.append(entry[0])
lc_external_entries.add(membername)
completed_external += 1
elif (membername in lc_external_entries and
member_dn not in members):
# Already an external member, reset the error message
msg = unicode(errors.AlreadyGroupMember().message)
newerror = (entry[0], msg)
ind = failed[memberattr][membertype].index(entry)
failed[memberattr][membertype][ind] = newerror
failed_entries.append(membername)
else:
# Really a failure
failed_entries.append(membername)
if completed_external:
entry_attrs_[externalattr] = external_entries
try:
ldap.update_entry(entry_attrs_)
except errors.EmptyModlist:
pass
failed[memberattr][membertype] = failed_entries
entry_attrs[externalattr] = external_entries
return (completed + completed_external, dn)
def remove_external_post_callback(ldap, dn, entry_attrs, failed, completed,
memberattr, membertype, externalattr):
"""
Takes the following arguments:
failed - the list of failed entries, these are candidates for possible
external entries to remove
completed - the number of successfully removed entries so far
memberattr - the attribute name that IPA uses for membership natively
(e.g. memberhost)
membertype - the object type of the member (e.g. host)
externalattr - the attribute name that IPA uses to store the membership
of the entries that are not managed by IPA
(e.g externalhost)
Returns the number of completed entries so far (the number of entries
handled by IPA incremented by the number of handled external entries) and
dn.
"""
assert isinstance(dn, DN)
# Run through the failures and gracefully remove any member defined
# as an external member.
completed_external = 0
if memberattr in failed and membertype in failed[memberattr]:
entry_attrs_ = ldap.get_entry(dn, [externalattr])
dn = entry_attrs_.dn
external_entries = entry_attrs_.get(externalattr, [])
failed_entries = []
for entry in failed[memberattr][membertype]:
membername = entry[0].lower()
if membername in external_entries or entry[0] in external_entries:
try:
external_entries.remove(membername)
except ValueError:
external_entries.remove(entry[0])
completed_external += 1
else:
msg = unicode(errors.NotGroupMember().message)
newerror = (entry[0], msg)
ind = failed[memberattr][membertype].index(entry)
failed[memberattr][membertype][ind] = newerror
failed_entries.append(membername)
if completed_external:
entry_attrs_[externalattr] = external_entries
try:
ldap.update_entry(entry_attrs_)
except errors.EmptyModlist:
pass
failed[memberattr][membertype] = failed_entries
entry_attrs[externalattr] = external_entries
return (completed + completed_external, dn)
def host_is_master(ldap, fqdn):
"""
Check to see if this host is a master.
Raises an exception if a master, otherwise returns nothing.
"""
master_dn = DN(('cn', fqdn), ('cn', 'masters'), ('cn', 'ipa'), ('cn', 'etc'), api.env.basedn)
try:
ldap.get_entry(master_dn, ['objectclass'])
raise errors.ValidationError(name='hostname', error=_('An IPA master host cannot be deleted or disabled'))
except errors.NotFound:
# Good, not a master
return
def add_missing_object_class(ldap, objectclass, dn, entry_attrs=None, update=True):
"""
Add object class if missing into entry. Fetches entry if not passed. Updates
the entry by default.
Returns the entry
"""
if not entry_attrs:
entry_attrs = ldap.get_entry(dn, ['objectclass'])
if (objectclass.lower() not in (o.lower() for o in entry_attrs['objectclass'])):
entry_attrs['objectclass'].append(objectclass)
if update:
ldap.update_entry(entry_attrs)
return entry_attrs
class LDAPObject(Object):
"""
Object representing a LDAP entry.
"""
backend_name = 'ldap2'
parent_object = ''
container_dn = ''
object_name = _('entry')
object_name_plural = _('entries')
object_class = []
object_class_config = None
# If an objectclass is possible but not default in an entry. Needed for
# collecting attributes for ACI UI.
possible_objectclasses = []
limit_object_classes = [] # Only attributes in these are allowed
disallow_object_classes = [] # Disallow attributes in these
permission_filter_objectclasses = None
search_attributes = []
search_attributes_config = None
default_attributes = []
search_display_attributes = [] # attributes displayed in LDAPSearch
hidden_attributes = ['objectclass', 'aci']
# set rdn_attribute only if RDN attribute differs from primary key!
rdn_attribute = ''
uuid_attribute = ''
attribute_members = {}
rdn_is_primary_key = False # Do we need RDN change to do a rename?
password_attributes = []
# Can bind as this entry (has userPassword or krbPrincipalKey)
bindable = False
relationships = {
# attribute: (label, inclusive param prefix, exclusive param prefix)
'member': ('Member', '', 'no_'),
'memberof': ('Member Of', 'in_', 'not_in_'),
'memberindirect': (
'Indirect Member', None, 'no_indirect_'
),
'memberofindirect': (
'Indirect Member Of', None, 'not_in_indirect_'
),
}
label = _('Entry')
label_singular = _('Entry')
managed_permissions = {}
container_not_found_msg = _('container entry (%(container)s) not found')
parent_not_found_msg = _('%(parent)s: %(oname)s not found')
object_not_found_msg = _('%(pkey)s: %(oname)s not found')
already_exists_msg = _('%(oname)s with name "%(pkey)s" already exists')
def get_dn(self, *keys, **kwargs):
if self.parent_object:
parent_dn = self.api.Object[self.parent_object].get_dn(*keys[:-1])
else:
parent_dn = DN(self.container_dn, api.env.basedn)
if self.rdn_attribute:
try:
entry_attrs = self.backend.find_entry_by_attr(
self.primary_key.name, keys[-1], self.object_class, [''],
DN(self.container_dn, api.env.basedn)
)
except errors.NotFound:
pass
else:
return entry_attrs.dn
if self.primary_key and keys[-1] is not None:
return self.backend.make_dn_from_attr(
self.primary_key.name, keys[-1], parent_dn
)
assert isinstance(parent_dn, DN)
return parent_dn
def get_dn_if_exists(self, *keys, **kwargs):
dn = self.get_dn(*keys, **kwargs)
entry = self.backend.get_entry(dn, [''])
return entry.dn
def get_primary_key_from_dn(self, dn):
assert isinstance(dn, DN)
try:
if self.rdn_attribute:
entry_attrs = self.backend.get_entry(
dn, [self.primary_key.name]
)
try:
return entry_attrs[self.primary_key.name][0]
except (KeyError, IndexError):
return ''
except errors.NotFound:
pass
try:
return dn[self.primary_key.name]
except KeyError:
# The primary key is not in the DN.
# This shouldn't happen, but we don't want a "show" command to
# crash.
# Just return the entire DN, it's all we have if the entry
# doesn't exist
return unicode(dn)
def get_ancestor_primary_keys(self):
if self.parent_object:
parent_obj = self.api.Object[self.parent_object]
for key in parent_obj.get_ancestor_primary_keys():
yield key
if parent_obj.primary_key:
pkey = parent_obj.primary_key
yield pkey.clone_rename(
parent_obj.name + pkey.name, required=True, query=True,
cli_name=parent_obj.name, label=pkey.label
)
def has_objectclass(self, classes, objectclass):
oc = [x.lower() for x in classes]
return objectclass.lower() in oc
def convert_attribute_members(self, entry_attrs, *keys, **options):
if options.get('raw', False):
return
container_dns = {}
new_attrs = {}
for attr in self.attribute_members:
try:
value = entry_attrs.raw[attr]
except KeyError:
continue
del entry_attrs[attr]
for member in value:
memberdn = DN(member.decode('utf-8'))
for ldap_obj_name in self.attribute_members[attr]:
ldap_obj = self.api.Object[ldap_obj_name]
try:
container_dn = container_dns[ldap_obj_name]
except KeyError:
container_dn = DN(ldap_obj.container_dn, api.env.basedn)
container_dns[ldap_obj_name] = container_dn
if memberdn.endswith(container_dn):
new_value = ldap_obj.get_primary_key_from_dn(memberdn)
new_attr_name = '%s_%s' % (attr, ldap_obj.name)
try:
new_attr = new_attrs[new_attr_name]
except KeyError:
new_attr = entry_attrs.setdefault(new_attr_name, [])
new_attrs[new_attr_name] = new_attr
new_attr.append(new_value)
break
def get_indirect_members(self, entry_attrs, attrs_list):
if 'memberindirect' in attrs_list:
self.get_memberindirect(entry_attrs)
if 'memberofindirect' in attrs_list:
self.get_memberofindirect(entry_attrs)
def get_memberindirect(self, group_entry):
"""
Get indirect members
"""
mo_filter = self.backend.make_filter({'memberof': group_entry.dn})
filter = self.backend.combine_filters(
('(member=*)', mo_filter), self.backend.MATCH_ALL)
try:
result = self.backend.get_entries(
self.api.env.basedn,
filter=filter,
attrs_list=['member'],
size_limit=-1, # paged search will get everything anyway
paged_search=True)
except errors.NotFound:
result = []
indirect = set()
for entry in result:
indirect.update(entry.raw.get('member', []))
indirect.difference_update(group_entry.raw.get('member', []))
if indirect:
group_entry.raw['memberindirect'] = list(indirect)
def get_memberofindirect(self, entry):
dn = entry.dn
filter = self.backend.make_filter(
{'member': dn, 'memberuser': dn, 'memberhost': dn})
try:
result = self.backend.get_entries(
self.api.env.basedn,
filter=filter,
attrs_list=[''])
except errors.NotFound:
result = []
direct = set()
indirect = set(entry.raw.get('memberof', []))
for group_entry in result:
dn = str(group_entry.dn)
if dn in indirect:
indirect.remove(dn)
direct.add(dn)
entry.raw['memberof'] = list(direct)
if indirect:
entry.raw['memberofindirect'] = list(indirect)
def get_password_attributes(self, ldap, dn, entry_attrs):
"""
Search on the entry to determine if it has a password or
keytab set.
A tuple is used to determine which attribute is set
in entry_attrs. The value is set to True/False whether a
given password type is set.
"""
for (pwattr, attr) in self.password_attributes:
search_filter = '(%s=*)' % pwattr
try:
ldap.find_entries(
search_filter, [pwattr], dn, ldap.SCOPE_BASE
)
entry_attrs[attr] = True
except errors.NotFound:
entry_attrs[attr] = False
def handle_not_found(self, *keys):
pkey = ''
if self.primary_key:
pkey = keys[-1]
raise errors.NotFound(
reason=self.object_not_found_msg % {
'pkey': pkey, 'oname': self.object_name,
}
)
def handle_duplicate_entry(self, *keys):
try:
pkey = keys[-1]
except IndexError:
pkey = ''
raise errors.DuplicateEntry(
message=self.already_exists_msg % {
'pkey': pkey, 'oname': self.object_name,
}
)
# list of attributes we want exported to JSON
json_friendly_attributes = (
'parent_object', 'container_dn', 'object_name', 'object_name_plural',
'object_class', 'object_class_config', 'default_attributes', 'label', 'label_singular',
'hidden_attributes', 'uuid_attribute', 'attribute_members', 'name',
'takes_params', 'rdn_attribute', 'bindable', 'relationships',
)
def __json__(self):
ldap = self.backend
json_dict = dict(
(a, json_serialize(getattr(self, a))) for a in self.json_friendly_attributes
)
if self.primary_key:
json_dict['primary_key'] = self.primary_key.name
objectclasses = self.object_class
if self.object_class_config:
config = ldap.get_ipa_config()
objectclasses = config.get(
self.object_class_config, objectclasses
)
objectclasses = objectclasses + self.possible_objectclasses
# Get list of available attributes for this object for use
# in the ACI UI.
attrs = self.api.Backend.ldap2.schema.attribute_types(objectclasses)
attrlist = []
# Go through the MUST first
for attr in attrs[0].values():
attrlist.append(attr.names[0].lower())
# And now the MAY
for attr in attrs[1].values():
attrlist.append(attr.names[0].lower())
json_dict['aciattrs'] = attrlist
attrlist.sort()
json_dict['methods'] = [m for m in self.methods]
json_dict['can_have_permissions'] = bool(
self.permission_filter_objectclasses)
return json_dict
# addattr can cause parameters to have more than one value even if not defined
# as multivalue, make sure this isn't the case
def _check_single_value_attrs(params, entry_attrs):
for (a, v) in entry_attrs.items():
if isinstance(v, (list, tuple)) and len(v) > 1:
if a in params and not params[a].multivalue:
raise errors.OnlyOneValueAllowed(attr=a)
# setattr or --option='' can cause parameters to be empty that are otherwise
# required, make sure we enforce that.
def _check_empty_attrs(params, entry_attrs):
for (a, v) in entry_attrs.items():
if v is None or (isinstance(v, six.string_types) and len(v) == 0):
if a in params and params[a].required:
raise errors.RequirementError(name=a)
def _check_limit_object_class(attributes, attrs, allow_only):
"""
If the set of objectclasses is limited enforce that only those
are updated in entry_attrs (plus dn)
allow_only tells us what mode to check in:
If True then we enforce that the attributes must be in the list of
allowed.
If False then those attributes are not allowed.
"""
if len(attributes[0]) == 0 and len(attributes[1]) == 0:
return
limitattrs = deepcopy(attrs)
# Go through the MUST first
for attr in attributes[0].values():
if attr.names[0].lower() in limitattrs:
if not allow_only:
raise errors.ObjectclassViolation(
info=_('attribute "%(attribute)s" not allowed') % dict(
attribute=attr.names[0].lower()))
limitattrs.remove(attr.names[0].lower())
# And now the MAY
for attr in attributes[1].values():
if attr.names[0].lower() in limitattrs:
if not allow_only:
raise errors.ObjectclassViolation(
info=_('attribute "%(attribute)s" not allowed') % dict(
attribute=attr.names[0].lower()))
limitattrs.remove(attr.names[0].lower())
if len(limitattrs) > 0 and allow_only:
raise errors.ObjectclassViolation(
info=_('attribute "%(attribute)s" not allowed') % dict(
attribute=limitattrs[0]))
class BaseLDAPCommand(Method):
"""
Base class for Base LDAP Commands.
"""
setattr_option = Str('setattr*', validate_set_attribute,
cli_name='setattr',
doc=_("""Set an attribute to a name/value pair. Format is attr=value.
For multi-valued attributes, the command replaces the values already present."""),
exclude='webui',
)
addattr_option = Str('addattr*', validate_add_attribute,
cli_name='addattr',
doc=_("""Add an attribute/value pair. Format is attr=value. The attribute
must be part of the schema."""),
exclude='webui',
)
delattr_option = Str('delattr*', validate_del_attribute,
cli_name='delattr',
doc=_("""Delete an attribute/value pair. The option will be evaluated
last, after all sets and adds."""),
exclude='webui',
)
callback_types = Method.callback_types + ('pre',
'post',
'exc')
def get_summary_default(self, output):
if 'value' in output:
output = dict(output)
output['value'] = pkey_to_unicode(output['value'])
return super(BaseLDAPCommand, self).get_summary_default(output)
def _convert_2_dict(self, ldap, attrs):
"""
Convert a string in the form of name/value pairs into a dictionary.
:param attrs: A list of name/value pair strings, in the "name=value"
format. May also be a single string, or None.
"""
newdict = {}
if attrs is None:
attrs = []
elif type(attrs) not in (list, tuple):
attrs = [attrs]
for a in attrs:
m = re.match("\s*(.*?)\s*=\s*(.*?)\s*$", a)
attr = str(m.group(1)).lower()
value = m.group(2)
if attr in self.obj.params and attr not in self.params:
# The attribute is managed by IPA, but it didn't get cloned
# to the command. This happens with no_update/no_create attrs.
raise errors.ValidationError(
name=attr, error=_('attribute is not configurable'))
if len(value) == 0:
# None means "delete this attribute"
value = None
if attr in newdict:
if type(value) in (tuple,):
newdict[attr] += list(value)
else:
newdict[attr].append(value)
else:
if type(value) in (tuple,):
newdict[attr] = list(value)
else:
newdict[attr] = [value]
return newdict
def process_attr_options(self, entry_attrs, dn, keys, options):
"""
Process all --setattr, --addattr, and --delattr options and add the
resulting value to the list of attributes. --setattr is processed first,
then --addattr and finally --delattr.
When --setattr is not used then the original LDAP object is looked up
(of course, not when dn is None) and the changes are applied to old
object values.
Attribute values deleted by --delattr may be deleted from attribute
values set or added by --setattr, --addattr. For example, the following
attributes will result in a NOOP:
--addattr=attribute=foo --delattr=attribute=foo
AttrValueNotFound exception may be raised when an attribute value was
not found either by --setattr and --addattr nor in existing LDAP object.
:param entry_attrs: A list of attributes that will be updated
:param dn: dn of updated LDAP object or None if a new object is created
:param keys: List of command arguments
:param options: List of options
"""
if all(k not in options for k in ("setattr", "addattr", "delattr")):
return
ldap = self.obj.backend
adddict = self._convert_2_dict(ldap, options.get('addattr', []))
setdict = self._convert_2_dict(ldap, options.get('setattr', []))
deldict = self._convert_2_dict(ldap, options.get('delattr', []))
setattrs = set(setdict)
addattrs = set(adddict)
delattrs = set(deldict)
if dn is None:
direct_add = addattrs
direct_del = delattrs
needldapattrs = []
else:
assert isinstance(dn, DN)
direct_add = setattrs & addattrs
direct_del = setattrs & delattrs
needldapattrs = list((addattrs | delattrs) - setattrs)
for attr, val in setdict.items():
entry_attrs[attr] = val
for attr in direct_add:
try:
val = entry_attrs[attr]
except KeyError:
val = []
else:
if not isinstance(val, (list, tuple)):
val = [val]
elif isinstance(val, tuple):
val = list(val)
val.extend(adddict[attr])
entry_attrs[attr] = val
for attr in direct_del:
for delval in deldict[attr]:
try:
entry_attrs[attr].remove(delval)
except ValueError:
raise errors.AttrValueNotFound(attr=attr, value=delval)
if needldapattrs:
try:
old_entry = self._exc_wrapper(keys, options, ldap.get_entry)(
dn, needldapattrs
)
except errors.NotFound:
self.obj.handle_not_found(*keys)
# Provide a nice error message when user tries to delete an
# attribute that does not exist on the entry (and user is not
# adding it)
names = set(n.lower() for n in old_entry)
del_nonexisting = delattrs - (names | setattrs | addattrs)
if del_nonexisting:
raise errors.ValidationError(name=del_nonexisting.pop(),
error=_('No such attribute on this entry'))
for attr in needldapattrs:
entry_attrs[attr] = old_entry.get(attr, [])
if attr in addattrs:
entry_attrs[attr].extend(adddict.get(attr, []))
for delval in deldict.get(attr, []):
try:
entry_attrs[attr].remove(delval)
except ValueError:
if isinstance(delval, bytes):
# This is a Binary value, base64 encode it
delval = unicode(base64.b64encode(delval))
raise errors.AttrValueNotFound(attr=attr, value=delval)
# normalize all values
changedattrs = setattrs | addattrs | delattrs
for attr in changedattrs:
if attr in self.params and self.params[attr].attribute:
# convert single-value params to scalars
param = self.params[attr]
value = entry_attrs[attr]
if not param.multivalue:
if len(value) == 1:
value = value[0]
elif not value:
value = None
else:
raise errors.OnlyOneValueAllowed(attr=attr)
# validate, convert and encode params
try:
value = param(value)
param.validate(value)
except errors.ValidationError as err:
raise errors.ValidationError(name=attr, error=err.error)
except errors.ConversionError as err:
raise errors.ConversionError(name=attr, error=err.error)
if isinstance(value, tuple):
value = list(value)
entry_attrs[attr] = value
else:
# unknown attribute: remove duplicite and invalid values
entry_attrs[attr] = list(set([val for val in entry_attrs[attr] if val]))
if not entry_attrs[attr]:
entry_attrs[attr] = None
elif isinstance(entry_attrs[attr], (tuple, list)) and len(entry_attrs[attr]) == 1:
entry_attrs[attr] = entry_attrs[attr][0]
@classmethod
def register_pre_callback(cls, callback, first=False):
"""Shortcut for register_callback('pre', ...)"""
cls.register_callback('pre', callback, first)
@classmethod
def register_post_callback(cls, callback, first=False):
"""Shortcut for register_callback('post', ...)"""
cls.register_callback('post', callback, first)
@classmethod
def register_exc_callback(cls, callback, first=False):
"""Shortcut for register_callback('exc', ...)"""
cls.register_callback('exc', callback, first)
def _exc_wrapper(self, keys, options, call_func):
"""Function wrapper that automatically calls exception callbacks"""
def wrapped(*call_args, **call_kwargs):
# call call_func first
func = call_func
callbacks = list(self.get_callbacks('exc'))
while True:
try:
return func(*call_args, **call_kwargs)
except errors.ExecutionError as exc:
e = exc
if not callbacks:
raise
# call exc_callback in the next loop
callback = callbacks.pop(0)
def exc_func(*args, **kwargs):
return callback(
self, keys, options, e, call_func, *args, **kwargs)
func = exc_func
return wrapped
def get_options(self):
for param in super(BaseLDAPCommand, self).get_options():
yield param
if self.obj.attribute_members:
for o in self.has_output:
if isinstance(o, (output.Entry, output.ListOfEntries)):
yield Flag('no_members',
doc=_('Suppress processing of membership attributes.'),
exclude='webui',
flags={'no_output'},
)
break
class LDAPCreate(BaseLDAPCommand, crud.Create):
"""
Create a new entry in LDAP.
"""
takes_options = (BaseLDAPCommand.setattr_option, BaseLDAPCommand.addattr_option)
def get_args(self):
for key in self.obj.get_ancestor_primary_keys():
yield key
for arg in super(LDAPCreate, self).get_args():
yield arg
has_output_params = global_output_params
def execute(self, *keys, **options):
ldap = self.obj.backend
dn = self.obj.get_dn(*keys, **options)
entry_attrs = ldap.make_entry(
dn, self.args_options_2_entry(*keys, **options))
self.process_attr_options(entry_attrs, None, keys, options)
entry_attrs['objectclass'] = deepcopy(self.obj.object_class)
if self.obj.object_class_config:
config = ldap.get_ipa_config()
entry_attrs['objectclass'] = config.get(
self.obj.object_class_config, entry_attrs['objectclass']
)
if self.obj.uuid_attribute:
entry_attrs[self.obj.uuid_attribute] = 'autogenerate'
if self.obj.rdn_attribute:
try:
dn_attr = dn[0].attr
except (IndexError, KeyError):
dn_attr = None
if dn_attr != self.obj.primary_key.name:
self.obj.handle_duplicate_entry(*keys)
entry_attrs.dn = ldap.make_dn(
entry_attrs, self.obj.rdn_attribute,
DN(self.obj.container_dn, api.env.basedn))
if options.get('all', False):
attrs_list = ['*'] + self.obj.default_attributes
else:
attrs_list = set(self.obj.default_attributes)
attrs_list.update(entry_attrs.keys())
if options.get('no_members', False):
attrs_list.difference_update(self.obj.attribute_members)
attrs_list = list(attrs_list)
for callback in self.get_callbacks('pre'):
entry_attrs.dn = callback(
self, ldap, entry_attrs.dn, entry_attrs, attrs_list,
*keys, **options)
_check_single_value_attrs(self.params, entry_attrs)
_check_limit_object_class(self.api.Backend.ldap2.schema.attribute_types(self.obj.limit_object_classes), list(entry_attrs), allow_only=True)
_check_limit_object_class(self.api.Backend.ldap2.schema.attribute_types(self.obj.disallow_object_classes), list(entry_attrs), allow_only=False)
try:
self._exc_wrapper(keys, options, ldap.add_entry)(entry_attrs)
except errors.NotFound:
parent = self.obj.parent_object
if parent:
raise errors.NotFound(
reason=self.obj.parent_not_found_msg % {
'parent': keys[-2],
'oname': self.api.Object[parent].object_name,
}
)
raise errors.NotFound(
reason=self.obj.container_not_found_msg % {
'container': self.obj.container_dn,
}
)
except errors.DuplicateEntry:
self.obj.handle_duplicate_entry(*keys)
try:
if self.obj.rdn_attribute:
# make sure objectclass is either set or None
if self.obj.object_class:
object_class = self.obj.object_class
else:
object_class = None
entry_attrs = self._exc_wrapper(keys, options, ldap.find_entry_by_attr)(
self.obj.primary_key.name, keys[-1], object_class, attrs_list,
DN(self.obj.container_dn, api.env.basedn)
)
else:
entry_attrs = self._exc_wrapper(keys, options, ldap.get_entry)(
entry_attrs.dn, attrs_list)
except errors.NotFound:
self.obj.handle_not_found(*keys)
self.obj.get_indirect_members(entry_attrs, attrs_list)
for callback in self.get_callbacks('post'):
entry_attrs.dn = callback(
self, ldap, entry_attrs.dn, entry_attrs, *keys, **options)
self.obj.convert_attribute_members(entry_attrs, *keys, **options)
dn = entry_attrs.dn
entry_attrs = entry_to_dict(entry_attrs, **options)
entry_attrs['dn'] = dn
if self.obj.primary_key:
pkey = keys[-1]
else:
pkey = None
return dict(result=entry_attrs, value=pkey_to_value(pkey, options))
def pre_callback(self, ldap, dn, entry_attrs, attrs_list, *keys, **options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, dn, entry_attrs, *keys, **options):
assert isinstance(dn, DN)
return dn
def exc_callback(self, keys, options, exc, call_func, *call_args, **call_kwargs):
raise exc
class LDAPQuery(BaseLDAPCommand, crud.PKQuery):
"""
Base class for commands that need to retrieve an existing entry.
"""
def get_args(self):
for key in self.obj.get_ancestor_primary_keys():
yield key
for arg in super(LDAPQuery, self).get_args():
yield arg
class LDAPMultiQuery(LDAPQuery):
"""
Base class for commands that need to retrieve one or more existing entries.
"""
takes_options = (
Flag('continue',
cli_name='continue',
doc=_('Continuous mode: Don\'t stop on errors.'),
),
)
def get_args(self):
for arg in super(LDAPMultiQuery, self).get_args():
if self.obj.primary_key and arg.name == self.obj.primary_key.name:
yield arg.clone(multivalue=True)
else:
yield arg
class LDAPRetrieve(LDAPQuery):
"""
Retrieve an LDAP entry.
"""
has_output = output.standard_entry
has_output_params = global_output_params
takes_options = (
Flag('rights',
label=_('Rights'),
doc=_('Display the access rights of this entry (requires --all). See ipa man page for details.'),
),
)
def execute(self, *keys, **options):
ldap = self.obj.backend
dn = self.obj.get_dn(*keys, **options)
assert isinstance(dn, DN)
if options.get('all', False):
attrs_list = ['*'] + self.obj.default_attributes
else:
attrs_list = set(self.obj.default_attributes)
if options.get('no_members', False):
attrs_list.difference_update(self.obj.attribute_members)
attrs_list = list(attrs_list)
for callback in self.get_callbacks('pre'):
dn = callback(self, ldap, dn, attrs_list, *keys, **options)
assert isinstance(dn, DN)
try:
entry_attrs = self._exc_wrapper(keys, options, ldap.get_entry)(
dn, attrs_list
)
except errors.NotFound:
self.obj.handle_not_found(*keys)
self.obj.get_indirect_members(entry_attrs, attrs_list)
if options.get('rights', False) and options.get('all', False):
entry_attrs['attributelevelrights'] = get_effective_rights(
ldap, entry_attrs.dn)
for callback in self.get_callbacks('post'):
entry_attrs.dn = callback(
self, ldap, entry_attrs.dn, entry_attrs, *keys, **options)
self.obj.convert_attribute_members(entry_attrs, *keys, **options)
dn = entry_attrs.dn
entry_attrs = entry_to_dict(entry_attrs, **options)
entry_attrs['dn'] = dn
if self.obj.primary_key:
pkey = keys[-1]
else:
pkey = None
return dict(result=entry_attrs, value=pkey_to_value(pkey, options))
def pre_callback(self, ldap, dn, attrs_list, *keys, **options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, dn, entry_attrs, *keys, **options):
assert isinstance(dn, DN)
return dn
def exc_callback(self, keys, options, exc, call_func, *call_args, **call_kwargs):
raise exc
class LDAPUpdate(LDAPQuery, crud.Update):
"""
Update an LDAP entry.
"""
takes_options = (
BaseLDAPCommand.setattr_option,
BaseLDAPCommand.addattr_option,
BaseLDAPCommand.delattr_option,
Flag('rights',
label=_('Rights'),
doc=_('Display the access rights of this entry (requires --all). See ipa man page for details.'),
),
)
has_output_params = global_output_params
def _get_rename_option(self):
rdnparam = getattr(self.obj.params, self.obj.primary_key.name)
return rdnparam.clone_rename('rename',
cli_name='rename', required=False, label=_('Rename'),
doc=_('Rename the %(ldap_obj_name)s object') % dict(
ldap_obj_name=self.obj.object_name
)
)
def get_options(self):
for option in super(LDAPUpdate, self).get_options():
yield option
if self.obj.rdn_is_primary_key:
yield self._get_rename_option()
def execute(self, *keys, **options):
ldap = self.obj.backend
if len(options) == 2: # 'all' and 'raw' are always sent
raise errors.EmptyModlist()
dn = self.obj.get_dn(*keys, **options)
entry_attrs = ldap.make_entry(dn, self.args_options_2_entry(**options))
self.process_attr_options(entry_attrs, dn, keys, options)
if options.get('all', False):
attrs_list = ['*'] + self.obj.default_attributes
else:
attrs_list = set(self.obj.default_attributes)
attrs_list.update(entry_attrs.keys())
if options.get('no_members', False):
attrs_list.difference_update(self.obj.attribute_members)
attrs_list = list(attrs_list)
_check_single_value_attrs(self.params, entry_attrs)
_check_empty_attrs(self.obj.params, entry_attrs)
for callback in self.get_callbacks('pre'):
entry_attrs.dn = callback(
self, ldap, entry_attrs.dn, entry_attrs, attrs_list,
*keys, **options)
_check_limit_object_class(self.api.Backend.ldap2.schema.attribute_types(self.obj.limit_object_classes), list(entry_attrs), allow_only=True)
_check_limit_object_class(self.api.Backend.ldap2.schema.attribute_types(self.obj.disallow_object_classes), list(entry_attrs), allow_only=False)
rdnupdate = False
try:
if self.obj.rdn_is_primary_key and 'rename' in options:
if not options['rename']:
raise errors.ValidationError(name='rename', error=u'can\'t be empty')
entry_attrs[self.obj.primary_key.name] = options['rename']
if self.obj.rdn_is_primary_key and self.obj.primary_key.name in entry_attrs:
try:
# RDN change
new_dn = DN((self.obj.primary_key.name,
entry_attrs[self.obj.primary_key.name]),
*entry_attrs.dn[1:])
self._exc_wrapper(keys, options, ldap.move_entry)(
entry_attrs.dn,
new_dn)
rdnkeys = keys[:-1] + (entry_attrs[self.obj.primary_key.name], )
entry_attrs.dn = self.obj.get_dn(*rdnkeys)
options['rdnupdate'] = True
rdnupdate = True
except errors.EmptyModlist:
# Attempt to rename to the current name, ignore
pass
finally:
# Delete the primary_key from entry_attrs either way
del entry_attrs[self.obj.primary_key.name]
# Exception callbacks will need to test for options['rdnupdate']
# to decide what to do. An EmptyModlist in this context doesn't
# mean an error occurred, just that there were no other updates to
# perform.
update = self._exc_wrapper(keys, options, ldap.get_entry)(
entry_attrs.dn, list(entry_attrs))
update.update(entry_attrs)
self._exc_wrapper(keys, options, ldap.update_entry)(update)
except errors.EmptyModlist as e:
if not rdnupdate:
raise e
except errors.NotFound:
self.obj.handle_not_found(*keys)
try:
entry_attrs = self._exc_wrapper(keys, options, ldap.get_entry)(
entry_attrs.dn, attrs_list)
except errors.NotFound:
raise errors.MidairCollision(
message=_('the entry was deleted while being modified')
)
self.obj.get_indirect_members(entry_attrs, attrs_list)
if options.get('rights', False) and options.get('all', False):
entry_attrs['attributelevelrights'] = get_effective_rights(
ldap, entry_attrs.dn)
for callback in self.get_callbacks('post'):
entry_attrs.dn = callback(
self, ldap, entry_attrs.dn, entry_attrs, *keys, **options)
self.obj.convert_attribute_members(entry_attrs, *keys, **options)
entry_attrs = entry_to_dict(entry_attrs, **options)
if self.obj.primary_key:
pkey = keys[-1]
else:
pkey = None
return dict(result=entry_attrs, value=pkey_to_value(pkey, options))
def pre_callback(self, ldap, dn, entry_attrs, attrs_list, *keys, **options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, dn, entry_attrs, *keys, **options):
assert isinstance(dn, DN)
return dn
def exc_callback(self, keys, options, exc, call_func, *call_args, **call_kwargs):
raise exc
class LDAPDelete(LDAPMultiQuery):
"""
Delete an LDAP entry and all of its direct subentries.
"""
has_output = output.standard_multi_delete
has_output_params = global_output_params
subtree_delete = True
def execute(self, *keys, **options):
ldap = self.obj.backend
def delete_entry(pkey):
nkeys = keys[:-1] + (pkey, )
dn = self.obj.get_dn(*nkeys, **options)
assert isinstance(dn, DN)
for callback in self.get_callbacks('pre'):
dn = callback(self, ldap, dn, *nkeys, **options)
assert isinstance(dn, DN)
def delete_subtree(base_dn):
assert isinstance(base_dn, DN)
truncated = True
while truncated:
try:
(subentries, truncated) = ldap.find_entries(
None, [''], base_dn, ldap.SCOPE_ONELEVEL
)
except errors.NotFound:
break
else:
for entry_attrs in subentries:
delete_subtree(entry_attrs.dn)
try:
self._exc_wrapper(nkeys, options, ldap.delete_entry)(base_dn)
except errors.NotFound:
self.obj.handle_not_found(*nkeys)
try:
self._exc_wrapper(nkeys, options, ldap.delete_entry)(dn)
except errors.NotFound:
self.obj.handle_not_found(*nkeys)
except errors.NotAllowedOnNonLeaf:
if not self.subtree_delete:
raise
# this entry is not a leaf entry, delete all child nodes
delete_subtree(dn)
for callback in self.get_callbacks('post'):
result = callback(self, ldap, dn, *nkeys, **options)
return result
if self.obj.primary_key and isinstance(keys[-1], (list, tuple)):
pkeyiter = keys[-1]
elif keys[-1] is not None:
pkeyiter = [keys[-1]]
else:
pkeyiter = []
deleted = []
failed = []
for pkey in pkeyiter:
try:
delete_entry(pkey)
except errors.ExecutionError:
if not options.get('continue', False):
raise
failed.append(pkey)
else:
deleted.append(pkey)
deleted = pkey_to_value(deleted, options)
failed = pkey_to_value(failed, options)
return dict(result=dict(failed=failed), value=deleted)
def pre_callback(self, ldap, dn, *keys, **options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, dn, *keys, **options):
assert isinstance(dn, DN)
return True
def exc_callback(self, keys, options, exc, call_func, *call_args, **call_kwargs):
raise exc
class LDAPModMember(LDAPQuery):
"""
Base class for member manipulation.
"""
member_attributes = ['member']
member_param_doc = _('%s')
member_param_label = _('member %s')
member_count_out = ('%i member processed.', '%i members processed.')
def get_options(self):
for option in super(LDAPModMember, self).get_options():
yield option
for attr in self.member_attributes:
for ldap_obj_name in self.obj.attribute_members[attr]:
ldap_obj = self.api.Object[ldap_obj_name]
name = to_cli(ldap_obj_name)
doc = self.member_param_doc % ldap_obj.object_name_plural
label = self.member_param_label % ldap_obj.object_name
yield Str('%s*' % name, cli_name='%ss' % name, doc=doc,
label=label, alwaysask=True)
def get_member_dns(self, **options):
dns = {}
failed = {}
for attr in self.member_attributes:
dns[attr] = {}
failed[attr] = {}
for ldap_obj_name in self.obj.attribute_members[attr]:
dns[attr][ldap_obj_name] = []
failed[attr][ldap_obj_name] = []
names = options.get(to_cli(ldap_obj_name), [])
if not names:
continue
for name in names:
if not name:
continue
ldap_obj = self.api.Object[ldap_obj_name]
try:
dns[attr][ldap_obj_name].append(ldap_obj.get_dn(name))
except errors.PublicError as e:
failed[attr][ldap_obj_name].append((name, unicode(e)))
return (dns, failed)
class LDAPAddMember(LDAPModMember):
"""
Add other LDAP entries to members.
"""
member_param_doc = _('%s to add')
member_count_out = ('%i member added.', '%i members added.')
allow_same = False
has_output = (
output.Entry('result'),
output.Output('failed',
type=dict,
doc=_('Members that could not be added'),
),
output.Output('completed',
type=int,
doc=_('Number of members added'),
),
)
has_output_params = global_output_params
def execute(self, *keys, **options):
ldap = self.obj.backend
(member_dns, failed) = self.get_member_dns(**options)
dn = self.obj.get_dn(*keys, **options)
assert isinstance(dn, DN)
for callback in self.get_callbacks('pre'):
dn = callback(self, ldap, dn, member_dns, failed, *keys, **options)
assert isinstance(dn, DN)
completed = 0
for (attr, objs) in member_dns.items():
for ldap_obj_name in objs:
for m_dn in member_dns[attr][ldap_obj_name]:
assert isinstance(m_dn, DN)
if not m_dn:
continue
try:
ldap.add_entry_to_group(m_dn, dn, attr, allow_same=self.allow_same)
except errors.PublicError as e:
ldap_obj = self.api.Object[ldap_obj_name]
failed[attr][ldap_obj_name].append((
ldap_obj.get_primary_key_from_dn(m_dn),
unicode(e),)
)
else:
completed += 1
if options.get('all', False):
attrs_list = ['*'] + self.obj.default_attributes
else:
attrs_list = set(self.obj.default_attributes)
attrs_list.update(member_dns.keys())
if options.get('no_members', False):
attrs_list.difference_update(self.obj.attribute_members)
attrs_list = list(attrs_list)
try:
entry_attrs = self._exc_wrapper(keys, options, ldap.get_entry)(
dn, attrs_list
)
except errors.NotFound:
self.obj.handle_not_found(*keys)
self.obj.get_indirect_members(entry_attrs, attrs_list)
for callback in self.get_callbacks('post'):
(completed, entry_attrs.dn) = callback(
self, ldap, completed, failed, entry_attrs.dn, entry_attrs,
*keys, **options)
self.obj.convert_attribute_members(entry_attrs, *keys, **options)
dn = entry_attrs.dn
entry_attrs = entry_to_dict(entry_attrs, **options)
entry_attrs['dn'] = dn
return dict(
completed=completed,
failed=failed,
result=entry_attrs,
)
def pre_callback(self, ldap, dn, found, not_found, *keys, **options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, completed, failed, dn, entry_attrs, *keys, **options):
assert isinstance(dn, DN)
return (completed, dn)
def exc_callback(self, keys, options, exc, call_func, *call_args, **call_kwargs):
raise exc
class LDAPRemoveMember(LDAPModMember):
"""
Remove LDAP entries from members.
"""
member_param_doc = _('%s to remove')
member_count_out = ('%i member removed.', '%i members removed.')
has_output = (
output.Entry('result'),
output.Output('failed',
type=dict,
doc=_('Members that could not be removed'),
),
output.Output('completed',
type=int,
doc=_('Number of members removed'),
),
)
has_output_params = global_output_params
def execute(self, *keys, **options):
ldap = self.obj.backend
(member_dns, failed) = self.get_member_dns(**options)
dn = self.obj.get_dn(*keys, **options)
assert isinstance(dn, DN)
for callback in self.get_callbacks('pre'):
dn = callback(self, ldap, dn, member_dns, failed, *keys, **options)
assert isinstance(dn, DN)
completed = 0
for (attr, objs) in member_dns.items():
for ldap_obj_name, m_dns in objs.items():
for m_dn in m_dns:
assert isinstance(m_dn, DN)
if not m_dn:
continue
try:
ldap.remove_entry_from_group(m_dn, dn, attr)
except errors.PublicError as e:
ldap_obj = self.api.Object[ldap_obj_name]
failed[attr][ldap_obj_name].append((
ldap_obj.get_primary_key_from_dn(m_dn),
unicode(e),)
)
else:
completed += 1
if options.get('all', False):
attrs_list = ['*'] + self.obj.default_attributes
else:
attrs_list = set(self.obj.default_attributes)
attrs_list.update(member_dns.keys())
if options.get('no_members', False):
attrs_list.difference_update(self.obj.attribute_members)
attrs_list = list(attrs_list)
# Give memberOf a chance to update entries
time.sleep(.3)
try:
entry_attrs = self._exc_wrapper(keys, options, ldap.get_entry)(
dn, attrs_list
)
except errors.NotFound:
self.obj.handle_not_found(*keys)
self.obj.get_indirect_members(entry_attrs, attrs_list)
for callback in self.get_callbacks('post'):
(completed, entry_attrs.dn) = callback(
self, ldap, completed, failed, entry_attrs.dn, entry_attrs,
*keys, **options)
self.obj.convert_attribute_members(entry_attrs, *keys, **options)
dn = entry_attrs.dn
entry_attrs = entry_to_dict(entry_attrs, **options)
entry_attrs['dn'] = dn
return dict(
completed=completed,
failed=failed,
result=entry_attrs,
)
def pre_callback(self, ldap, dn, found, not_found, *keys, **options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, completed, failed, dn, entry_attrs, *keys, **options):
assert isinstance(dn, DN)
return (completed, dn)
def exc_callback(self, keys, options, exc, call_func, *call_args, **call_kwargs):
raise exc
def gen_pkey_only_option(cli_name):
return Flag('pkey_only?',
label=_('Primary key only'),
doc=_('Results should contain primary key attribute only ("%s")') \
% to_cli(cli_name),)
class LDAPSearch(BaseLDAPCommand, crud.Search):
"""
Retrieve all LDAP entries matching the given criteria.
"""
member_attributes = []
member_param_incl_doc = _('Search for %(searched_object)s with these %(relationship)s %(ldap_object)s.')
member_param_excl_doc = _('Search for %(searched_object)s without these %(relationship)s %(ldap_object)s.')
# LDAPSearch sorts all matched records in the end using their primary key
# as a key attribute
# Set the following attribute to False to turn sorting off
sort_result_entries = True
takes_options = (
Int('timelimit?',
label=_('Time Limit'),
doc=_('Time limit of search in seconds (0 is unlimited)'),
flags=['no_display'],
minvalue=0,
autofill=False,
),
Int('sizelimit?',
label=_('Size Limit'),
doc=_('Maximum number of entries returned (0 is unlimited)'),
flags=['no_display'],
minvalue=0,
autofill=False,
),
)
def get_args(self):
for key in self.obj.get_ancestor_primary_keys():
yield key
for arg in super(LDAPSearch, self).get_args():
yield arg
def get_member_options(self, attr):
for ldap_obj_name in self.obj.attribute_members[attr]:
ldap_obj = self.api.Object[ldap_obj_name]
relationship = self.obj.relationships.get(
attr, ['member', '', 'no_']
)
doc = self.member_param_incl_doc % dict(
searched_object=self.obj.object_name_plural,
relationship=relationship[0].lower(),
ldap_object=ldap_obj.object_name_plural
)
name = '%s%s' % (relationship[1], to_cli(ldap_obj_name))
yield ldap_obj.primary_key.clone_rename(
'%s' % name, cli_name='%ss' % name, doc=doc,
label=ldap_obj.object_name, multivalue=True, query=True,
required=False, primary_key=False
)
doc = self.member_param_excl_doc % dict(
searched_object=self.obj.object_name_plural,
relationship=relationship[0].lower(),
ldap_object=ldap_obj.object_name_plural
)
name = '%s%s' % (relationship[2], to_cli(ldap_obj_name))
yield ldap_obj.primary_key.clone_rename(
'%s' % name, cli_name='%ss' % name, doc=doc,
label=ldap_obj.object_name, multivalue=True, query=True,
required=False, primary_key=False
)
def get_options(self):
for option in super(LDAPSearch, self).get_options():
if option.name == 'no_members':
# no_members are always true for find commands, do not
# show option in CLI but keep API compatibility
option = option.clone(
default=True, flags=option.flags | {"no_option"})
yield option
if self.obj.primary_key and \
'no_output' not in self.obj.primary_key.flags:
yield gen_pkey_only_option(self.obj.primary_key.cli_name)
for attr in self.member_attributes:
for option in self.get_member_options(attr):
yield option
def get_attr_filter(self, ldap, **options):
"""
Returns a MATCH_ALL filter containing all required attributes from the
options
"""
search_kw = self.args_options_2_entry(**options)
search_kw['objectclass'] = self.obj.object_class
return ldap.make_filter(search_kw, rules=ldap.MATCH_ALL)
def get_term_filter(self, ldap, term):
"""
Returns a filter to search for a value (term) in any of the
search attributes of an entry.
"""
if self.obj.search_attributes:
search_attrs = self.obj.search_attributes
else:
search_attrs = self.obj.default_attributes
if self.obj.search_attributes_config:
config = ldap.get_ipa_config()
config_attrs = config.get(
self.obj.search_attributes_config, [])
if len(config_attrs) == 1 and (
isinstance(config_attrs[0], six.string_types)):
search_attrs = config_attrs[0].split(',')
search_kw = {}
for a in search_attrs:
search_kw[a] = term
return ldap.make_filter(search_kw, exact=False)
def get_member_filter(self, ldap, **options):
filter = ''
for attr in self.member_attributes:
for ldap_obj_name in self.obj.attribute_members[attr]:
ldap_obj = self.api.Object[ldap_obj_name]
relationship = self.obj.relationships.get(
attr, ['member', '', 'no_']
)
# Handle positive (MATCH_ALL) and negative (MATCH_NONE)
# searches similarly
param_prefixes = relationship[1:] # e.g. ('in_', 'not_in_')
rules = ldap.MATCH_ALL, ldap.MATCH_NONE
for param_prefix, rule in zip(param_prefixes, rules):
param_name = '%s%s' % (param_prefix, to_cli(ldap_obj_name))
if options.get(param_name):
dns = []
for pkey in options[param_name]:
dns.append(ldap_obj.get_dn(pkey))
flt = ldap.make_filter_from_attr(attr, dns, rule)
filter = ldap.combine_filters(
(filter, flt), ldap.MATCH_ALL
)
return filter
has_output_params = global_output_params
def execute(self, *args, **options):
ldap = self.obj.backend
index = tuple(self.args).index('criteria')
keys = args[:index]
try:
term = args[index]
except IndexError:
term = None
if self.obj.parent_object:
base_dn = self.api.Object[self.obj.parent_object].get_dn(*keys)
else:
base_dn = DN(self.obj.container_dn, api.env.basedn)
assert isinstance(base_dn, DN)
search_kw = self.args_options_2_entry(**options)
if self.obj.search_display_attributes:
defattrs = self.obj.search_display_attributes
else:
defattrs = self.obj.default_attributes
if options.get('pkey_only', False):
attrs_list = [self.obj.primary_key.name]
elif options.get('all', False):
attrs_list = ['*'] + defattrs
else:
attrs_list = set(defattrs)
attrs_list.update(search_kw.keys())
if options.get('no_members', False):
attrs_list.difference_update(self.obj.attribute_members)
attrs_list = list(attrs_list)
attr_filter = self.get_attr_filter(ldap, **options)
term_filter = self.get_term_filter(ldap, term)
member_filter = self.get_member_filter(ldap, **options)
filter = ldap.combine_filters(
(term_filter, attr_filter, member_filter), rules=ldap.MATCH_ALL
)
scope = ldap.SCOPE_ONELEVEL
for callback in self.get_callbacks('pre'):
(filter, base_dn, scope) = callback(
self, ldap, filter, attrs_list, base_dn, scope, *args, **options)
assert isinstance(base_dn, DN)
try:
(entries, truncated) = self._exc_wrapper(args, options, ldap.find_entries)(
filter, attrs_list, base_dn, scope,
time_limit=options.get('timelimit', None),
size_limit=options.get('sizelimit', None)
)
except errors.EmptyResult:
(entries, truncated) = ([], False)
except errors.NotFound:
self.api.Object[self.obj.parent_object].handle_not_found(*keys)
for callback in self.get_callbacks('post'):
truncated = callback(self, ldap, entries, truncated, *args, **options)
if self.sort_result_entries:
if self.obj.primary_key:
def sort_key(x):
return self.obj.primary_key.sort_key(
x[self.obj.primary_key.name][0])
entries.sort(key=sort_key)
if not options.get('raw', False):
for entry in entries:
self.obj.get_indirect_members(entry, attrs_list)
self.obj.convert_attribute_members(entry, *args, **options)
for (i, e) in enumerate(entries):
entries[i] = entry_to_dict(e, **options)
entries[i]['dn'] = e.dn
result = dict(
result=entries,
count=len(entries),
truncated=bool(truncated),
)
try:
ldap.handle_truncated_result(truncated)
except errors.LimitsExceeded as exc:
add_message(options['version'], result, SearchResultTruncated(
reason=exc))
return result
def pre_callback(self, ldap, filters, attrs_list, base_dn, scope, *args, **options):
assert isinstance(base_dn, DN)
return (filters, base_dn, scope)
def post_callback(self, ldap, entries, truncated, *args, **options):
return truncated
def exc_callback(self, args, options, exc, call_func, *call_args, **call_kwargs):
raise exc
class LDAPModReverseMember(LDAPQuery):
"""
Base class for reverse member manipulation.
"""
reverse_attributes = ['member']
reverse_param_doc = _('%s')
reverse_count_out = ('%i member processed.', '%i members processed.')
has_output_params = global_output_params
def get_options(self):
for option in super(LDAPModReverseMember, self).get_options():
yield option
for attr in self.reverse_attributes:
for ldap_obj_name in self.obj.reverse_members[attr]:
ldap_obj = self.api.Object[ldap_obj_name]
name = to_cli(ldap_obj_name)
doc = self.reverse_param_doc % ldap_obj.object_name_plural
yield Str('%s*' % name, cli_name='%ss' % name, doc=doc,
label=ldap_obj.object_name, alwaysask=True)
class LDAPAddReverseMember(LDAPModReverseMember):
"""
Add other LDAP entries to members in reverse.
The call looks like "add A to B" but in fact executes
add B to A to handle reverse membership.
"""
member_param_doc = _('%s to add')
member_count_out = ('%i member added.', '%i members added.')
show_command = None
member_command = None
reverse_attr = None
member_attr = None
has_output = (
output.Entry('result'),
output.Output('failed',
type=dict,
doc=_('Members that could not be added'),
),
output.Output('completed',
type=int,
doc=_('Number of members added'),
),
)
has_output_params = global_output_params
def execute(self, *keys, **options):
ldap = self.obj.backend
# Ensure our target exists
result = self.api.Command[self.show_command](keys[-1])['result']
dn = result['dn']
assert isinstance(dn, DN)
for callback in self.get_callbacks('pre'):
dn = callback(self, ldap, dn, *keys, **options)
assert isinstance(dn, DN)
if options.get('all', False):
attrs_list = ['*'] + self.obj.default_attributes
else:
attrs_list = set(self.obj.default_attributes)
if options.get('no_members', False):
attrs_list.difference_update(self.obj.attribute_members)
attrs_list = list(attrs_list)
completed = 0
failed = {'member': {self.reverse_attr: []}}
for attr in options.get(self.reverse_attr) or []:
try:
options = {'%s' % self.member_attr: keys[-1]}
try:
result = self._exc_wrapper(keys, options, self.api.Command[self.member_command])(attr, **options)
if result['completed'] == 1:
completed = completed + 1
else:
failed['member'][self.reverse_attr].append((attr, result['failed']['member'][self.member_attr][0][1]))
except errors.NotFound as e:
msg = str(e)
(attr, msg) = msg.split(':', 1)
failed['member'][self.reverse_attr].append((attr, unicode(msg.strip())))
except errors.PublicError as e:
failed['member'][self.reverse_attr].append((attr, unicode(e)))
# Update the member data.
entry_attrs = ldap.get_entry(dn, attrs_list)
self.obj.convert_attribute_members(entry_attrs, *keys, **options)
for callback in self.get_callbacks('post'):
(completed, entry_attrs.dn) = callback(
self, ldap, completed, failed, entry_attrs.dn, entry_attrs,
*keys, **options)
dn = entry_attrs.dn
entry_attrs = entry_to_dict(entry_attrs, **options)
entry_attrs['dn'] = dn
return dict(
completed=completed,
failed=failed,
result=entry_attrs,
)
def pre_callback(self, ldap, dn, *keys, **options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, completed, failed, dn, entry_attrs, *keys, **options):
assert isinstance(dn, DN)
return (completed, dn)
def exc_callback(self, keys, options, exc, call_func, *call_args, **call_kwargs):
raise exc
class LDAPRemoveReverseMember(LDAPModReverseMember):
"""
Remove other LDAP entries from members in reverse.
The call looks like "remove A from B" but in fact executes
remove B from A to handle reverse membership.
"""
member_param_doc = _('%s to remove')
member_count_out = ('%i member removed.', '%i members removed.')
show_command = None
member_command = None
reverse_attr = None
member_attr = None
has_output = (
output.Entry('result'),
output.Output('failed',
type=dict,
doc=_('Members that could not be removed'),
),
output.Output('completed',
type=int,
doc=_('Number of members removed'),
),
)
has_output_params = global_output_params
def execute(self, *keys, **options):
ldap = self.obj.backend
# Ensure our target exists
result = self.api.Command[self.show_command](keys[-1])['result']
dn = result['dn']
assert isinstance(dn, DN)
for callback in self.get_callbacks('pre'):
dn = callback(self, ldap, dn, *keys, **options)
assert isinstance(dn, DN)
if options.get('all', False):
attrs_list = ['*'] + self.obj.default_attributes
else:
attrs_list = set(self.obj.default_attributes)
if options.get('no_members', False):
attrs_list.difference_update(self.obj.attribute_members)
attrs_list = list(attrs_list)
completed = 0
failed = {'member': {self.reverse_attr: []}}
for attr in options.get(self.reverse_attr) or []:
try:
options = {'%s' % self.member_attr: keys[-1]}
try:
result = self._exc_wrapper(keys, options, self.api.Command[self.member_command])(attr, **options)
if result['completed'] == 1:
completed = completed + 1
else:
failed['member'][self.reverse_attr].append((attr, result['failed']['member'][self.member_attr][0][1]))
except errors.NotFound as e:
msg = str(e)
(attr, msg) = msg.split(':', 1)
failed['member'][self.reverse_attr].append((attr, unicode(msg.strip())))
except errors.PublicError as e:
failed['member'][self.reverse_attr].append((attr, unicode(e)))
# Update the member data.
entry_attrs = ldap.get_entry(dn, attrs_list)
self.obj.convert_attribute_members(entry_attrs, *keys, **options)
for callback in self.get_callbacks('post'):
(completed, entry_attrs.dn) = callback(
self, ldap, completed, failed, entry_attrs.dn, entry_attrs,
*keys, **options)
dn = entry_attrs.dn
entry_attrs = entry_to_dict(entry_attrs, **options)
entry_attrs['dn'] = dn
return dict(
completed=completed,
failed=failed,
result=entry_attrs,
)
def pre_callback(self, ldap, dn, *keys, **options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, completed, failed, dn, entry_attrs, *keys, **options):
assert isinstance(dn, DN)
return (completed, dn)
def exc_callback(self, keys, options, exc, call_func, *call_args, **call_kwargs):
raise exc
class BaseLDAPModAttribute(LDAPQuery):
attribute = None
has_output = output.standard_entry
def _get_attribute_param(self):
arg = self.obj.params[self.attribute]
attribute = 'virtual_attribute' not in arg.flags
return arg.clone(required=True, attribute=attribute, alwaysask=True)
def _update_attrs(self, update, entry_attrs):
raise NotImplementedError("%s.update_attrs()", self.__class__.__name__)
def execute(self, *keys, **options):
ldap = self.obj.backend
try:
index = tuple(self.args).index(self.attribute)
except ValueError:
obj_keys = keys
else:
obj_keys = keys[:index]
dn = self.obj.get_dn(*obj_keys, **options)
entry_attrs = ldap.make_entry(dn, self.args_options_2_entry(
*keys, **options))
entry_attrs.pop(self.obj.primary_key.name, None)
if options.get('all', False):
attrs_list = ['*', self.obj.primary_key.name]
else:
attrs_list = {self.obj.primary_key.name}
attrs_list.update(entry_attrs.keys())
attrs_list = list(attrs_list)
for callback in self.get_callbacks('pre'):
entry_attrs.dn = callback(
self, ldap, entry_attrs.dn, entry_attrs, attrs_list,
*keys, **options)
try:
update = self._exc_wrapper(keys, options, ldap.get_entry)(
entry_attrs.dn, list(entry_attrs))
self._update_attrs(update, entry_attrs)
self._exc_wrapper(keys, options, ldap.update_entry)(update)
except errors.NotFound:
self.obj.handle_not_found(*keys)
try:
entry_attrs = self._exc_wrapper(keys, options, ldap.get_entry)(
entry_attrs.dn, attrs_list)
except errors.NotFound:
raise errors.MidairCollision(
message=_('the entry was deleted while being modified')
)
for callback in self.get_callbacks('post'):
entry_attrs.dn = callback(
self, ldap, entry_attrs.dn, entry_attrs, *keys, **options)
entry_attrs = entry_to_dict(entry_attrs, **options)
if self.obj.primary_key:
pkey = obj_keys[-1]
else:
pkey = None
return dict(result=entry_attrs, value=pkey_to_value(pkey, options))
def pre_callback(self, ldap, dn, entry_attrs, attrs_list, *keys,
**options):
assert isinstance(dn, DN)
return dn
def post_callback(self, ldap, dn, entry_attrs, *keys, **options):
assert isinstance(dn, DN)
return dn
def exc_callback(self, keys, options, exc, call_func, *call_args,
**call_kwargs):
raise exc
class BaseLDAPAddAttribute(BaseLDAPModAttribute):
msg_summary = _('added attribute value to entry %(value)')
def _update_attrs(self, update, entry_attrs):
for name, value in entry_attrs.items():
old_value = set(update.get(name, []))
value_to_add = set(value)
if not old_value.isdisjoint(value_to_add):
raise errors.ExecutionError(
message=_('\'%(attr)s\' already contains one or more '
'values') % dict(attr=name))
update[name] = list(old_value | value_to_add)
class BaseLDAPRemoveAttribute(BaseLDAPModAttribute):
msg_summary = _('removed attribute values from entry %(value)')
def _update_attrs(self, update, entry_attrs):
for name, value in entry_attrs.items():
old_value = set(update.get(name, []))
value_to_remove = set(value)
if not value_to_remove.issubset(old_value):
raise errors.AttrValueNotFound(
attr=name, value=_("one or more values to remove"))
update[name] = list(old_value - value_to_remove)
class LDAPModAttribute(BaseLDAPModAttribute):
def get_args(self):
for arg in super(LDAPModAttribute, self).get_args():
yield arg
yield self._get_attribute_param()
class LDAPAddAttribute(LDAPModAttribute, BaseLDAPAddAttribute):
pass
class LDAPRemoveAttribute(LDAPModAttribute, BaseLDAPRemoveAttribute):
pass
class LDAPModAttributeViaOption(BaseLDAPModAttribute):
def get_options(self):
for option in super(LDAPModAttributeViaOption, self).get_options():
yield option
yield self._get_attribute_param()
class LDAPAddAttributeViaOption(LDAPModAttributeViaOption,
BaseLDAPAddAttribute):
pass
class LDAPRemoveAttributeViaOption(LDAPModAttributeViaOption,
BaseLDAPRemoveAttribute):
pass
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