# Authors: # Pavel Zuna # # 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 . """ 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, RDN 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(r"\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) return None 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()) 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()) 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), api.env.container_masters, 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 = {} allow_rename = False 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_' ), 'membermanager': ( 'Group membership managed by', 'membermanager_', 'not_membermanager_' ), } 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=[''], size_limit=-1, # paged search will get everything anyway paged_search=True) except errors.NotFound: result = [] direct = set() indirect = set(entry.raw.get('memberof', [])) for group_entry in result: dn = str(group_entry.dn).encode('utf-8') 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): """Handle NotFound exception Must raise errors.NotFound again. """ 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'] = list(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, str) 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 # Remove options from the attributes names before validating # LDAP schema does not enforce any of LDAP attribute options # (e.g. attribute;option), thus we should avoid comparing # attribute names with options directly. limitattrs = [x.split(';')[0] for x in 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(r"\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: raise 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 = base64.b64encode(delval).decode('ascii') 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( {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)) entry_attrs['objectclass'] = deepcopy(self.obj.object_class) self.process_attr_options(entry_attrs, None, keys, options) 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: raise 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: raise 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.allow_rename: 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 if '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 setattr was used to change the RDN, the primary_key.name is # already in entry_attrs if self.obj.allow_rename and self.obj.primary_key.name in entry_attrs: # perform RDN change if the primary key is also RDN if (RDN((self.obj.primary_key.name, keys[-1])) == entry_attrs.dn[0]): try: 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 except errors.NotFound: raise self.obj.handle_not_found(*keys) finally: # Delete the primary_key from entry_attrs either way del entry_attrs[self.obj.primary_key.name] try: # 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: raise 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: raise self.obj.handle_not_found(*nkeys) try: self._exc_wrapper(nkeys, options, ldap.delete_entry)(dn) except errors.NotFound: raise 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: raise 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: raise 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 filters = [] for name, value in search_kw.items(): default = self.get_default_of(name, **options) fltr = ldap.make_filter_from_attr(name, value, ldap.MATCH_ALL) if default is not None and value == default: fltr = ldap.combine_filters([fltr, '(!({}=*))'.format(name)]) filters.append(fltr) return ldap.combine_filters(filters, 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], str)): 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: return 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: raise 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)s') 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)s') 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