Coverage for ipalib/plugins/host : 61%

# Authors: 

#   Rob Crittenden <rcritten@redhat.com> 

#   Pavel Zuna <pzuna@redhat.com> 

# 

# Copyright (C) 2008  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/>. 

import platform 

import os 

import sys 

from nss.error import NSPRError 

import nss.nss as nss 

import netaddr 

import string 

from ipalib import api, errors, util 

from ipalib import Str, Flag, Bytes 

from ipalib.plugins.baseldap import * 

from ipalib.plugins.service import split_principal 

from ipalib.plugins.service import validate_certificate 

from ipalib.plugins.service import set_certificate_attrs 

from ipalib.plugins.dns import (dns_container_exists, _record_types, 

        add_records_for_host_validation, add_records_for_host, 

        _hostname_validator, get_reverse_zone) 

from ipalib.plugins.dns import get_reverse_zone 

from ipalib import _, ngettext 

from ipalib import x509 

from ipalib.request import context 

from ipalib.util import (normalize_sshpubkey, validate_sshpubkey_no_options, 

    convert_sshpubkey_post) 

from ipapython.ipautil import ipa_generate_password, CheckedIPAddress 

from ipapython.ssh import SSHPublicKey 

from ipapython.dn import DN 

__doc__ = _(""" 

Hosts/Machines 

A host represents a machine. It can be used in a number of contexts: 

- service entries are associated with a host 

- a host stores the host/ service principal 

- a host can be used in Host-based Access Control (HBAC) rules 

- every enrolled client generates a host entry 

ENROLLMENT: 

There are three enrollment scenarios when enrolling a new client: 

1. You are enrolling as a full administrator. The host entry may exist 

   or not. A full administrator is a member of the hostadmin role 

   or the admins group. 

2. You are enrolling as a limited administrator. The host must already 

   exist. A limited administrator is a member a role with the 

   Host Enrollment privilege. 

3. The host has been created with a one-time password. 

A host can only be enrolled once. If a client has enrolled and needs to 

be re-enrolled, the host entry must be removed and re-created. Note that 

re-creating the host entry will result in all services for the host being 

removed, and all SSL certificates associated with those services being 

revoked. 

A host can optionally store information such as where it is located, 

the OS that it runs, etc. 

EXAMPLES: 

Add a new host: 

   ipa host-add --location="3rd floor lab" --locality=Dallas test.example.com 

Delete a host: 

   ipa host-del test.example.com 

Add a new host with a one-time password: 

   ipa host-add --os='Fedora 12' --password=Secret123 test.example.com 

Add a new host with a random one-time password: 

   ipa host-add --os='Fedora 12' --random test.example.com 

Modify information about a host: 

   ipa host-mod --os='Fedora 12' test.example.com 

Remove SSH public keys of a host and update DNS to reflect this change: 

   ipa host-mod --sshpubkey= --updatedns test.example.com 

Disable the host Kerberos key, SSL certificate and all of its services: 

   ipa host-disable test.example.com 

Add a host that can manage this host's keytab and certificate: 

   ipa host-add-managedby --hosts=test2 test 

""") 

# Characters to be used by random password generator 

# The set was chosen to avoid the need for escaping the characters by user 

host_pwd_chars=string.digits + string.ascii_letters + '_,.@+-=' 

def remove_fwd_ptr(ipaddr, host, domain, recordtype): 

    api.log.debug('deleting ipaddr %s' % ipaddr) 

    try: 

        revzone, revname = get_reverse_zone(ipaddr) 

        # in case domain is in FQDN form with a trailing dot, we needn't add 

        # another one, in case it has no trailing dot, dnsrecord-del will 

        # normalize the entry 

        delkw = { 'ptrrecord' : "%s.%s" % (host, domain) } 

        api.Command['dnsrecord_del'](revzone, revname, **delkw) 

    except errors.NotFound: 

        pass 

    try: 

        delkw = { recordtype : ipaddr } 

        api.Command['dnsrecord_del'](domain, host, **delkw) 

    except errors.NotFound: 

        pass 

def update_sshfp_record(zone, record, entry_attrs): 

    if 'ipasshpubkey' not in entry_attrs: 

        return 

    pubkeys = entry_attrs['ipasshpubkey'] or () 

    sshfps=[] 

    for pubkey in pubkeys: 

        try: 

            sshfp = SSHPublicKey(pubkey).fingerprint_dns_sha1() 

        except ValueError, UnicodeDecodeError: 

            continue 

        if sshfp is not None: 

            sshfps.append(sshfp) 

        try: 

            sshfp = SSHPublicKey(pubkey).fingerprint_dns_sha256() 

        except ValueError, UnicodeDecodeError: 

            continue 

        if sshfp is not None: 

            sshfps.append(sshfp) 

    try: 

        api.Command['dnsrecord_mod'](zone, record, sshfprecord=sshfps) 

    except errors.EmptyModlist: 

        pass 

host_output_params = ( 

    Flag('has_keytab', 

        label=_('Keytab'), 

    ), 

    Str('managedby_host', 

        label='Managed by', 

    ), 

    Str('managing_host', 

        label='Managing', 

    ), 

    Str('subject', 

        label=_('Subject'), 

    ), 

    Str('serial_number', 

        label=_('Serial Number'), 

    ), 

    Str('serial_number_hex', 

        label=_('Serial Number (hex)'), 

    ), 

    Str('issuer', 

        label=_('Issuer'), 

    ), 

    Str('valid_not_before', 

        label=_('Not Before'), 

    ), 

    Str('valid_not_after', 

        label=_('Not After'), 

    ), 

    Str('md5_fingerprint', 

        label=_('Fingerprint (MD5)'), 

    ), 

    Str('sha1_fingerprint', 

        label=_('Fingerprint (SHA1)'), 

    ), 

    Str('revocation_reason?', 

        label=_('Revocation reason'), 

    ), 

    Str('managedby', 

        label=_('Failed managedby'), 

    ), 

    Str('sshpubkeyfp*', 

        label=_('SSH public key fingerprint'), 

    ), 

) 

def validate_ipaddr(ugettext, ipaddr): 

    """ 

    Verify that we have either an IPv4 or IPv6 address. 

    """ 

    try: 

        ip = CheckedIPAddress(ipaddr, match_local=False) 

    except Exception, e: 

        return unicode(e) 

    return None 

def normalize_hostname(hostname): 

    """Use common fqdn form without the trailing dot""" 

    if hostname.endswith(u'.'): 

        hostname = hostname[:-1] 

    hostname = hostname.lower() 

    return hostname 

class host(LDAPObject): 

    """ 

    Host object. 

    """ 

    container_dn = api.env.container_host 

    object_name = _('host') 

    object_name_plural = _('hosts') 

    object_class = ['ipaobject', 'nshost', 'ipahost', 'pkiuser', 'ipaservice'] 

    # object_class_config = 'ipahostobjectclasses' 

    search_attributes = [ 

        'fqdn', 'description', 'l', 'nshostlocation', 'krbprincipalname', 

        'nshardwareplatform', 'nsosversion', 'managedby' 

    ] 

    default_attributes = [ 

        'fqdn', 'description', 'l', 'nshostlocation', 'krbprincipalname', 

        'nshardwareplatform', 'nsosversion', 'usercertificate', 'memberof', 

        'managedby', 'memberindirect', 'memberofindirect', 'macaddress', 

    ] 

    uuid_attribute = 'ipauniqueid' 

    attribute_members = { 

        'enrolledby': ['user'], 

        'memberof': ['hostgroup', 'netgroup', 'role', 'hbacrule', 'sudorule'], 

        'managedby': ['host'], 

        'managing': ['host'], 

        'memberofindirect': ['hostgroup', 'netgroup', 'role', 'hbacrule', 

        'sudorule'], 

    } 

    bindable = True 

    relationships = { 

        'memberof': ('Member Of', 'in_', 'not_in_'), 

        'enrolledby': ('Enrolled by', 'enroll_by_', 'not_enroll_by_'), 

        'managedby': ('Managed by', 'man_by_', 'not_man_by_'), 

        'managing': ('Managing', 'man_', 'not_man_'), 

    } 

    password_attributes = [('userpassword', 'has_password'), 

                           ('krbprincipalkey', 'has_keytab')] 

    label = _('Hosts') 

    label_singular = _('Host') 

    takes_params = ( 

        Str('fqdn', _hostname_validator, 

            cli_name='hostname', 

            label=_('Host name'), 

            primary_key=True, 

            normalizer=normalize_hostname, 

        ), 

        Str('description?', 

            cli_name='desc', 

            label=_('Description'), 

            doc=_('A description of this host'), 

        ), 

        Str('l?', 

            cli_name='locality', 

            label=_('Locality'), 

            doc=_('Host locality (e.g. "Baltimore, MD")'), 

        ), 

        Str('nshostlocation?', 

            cli_name='location', 

            label=_('Location'), 

            doc=_('Host location (e.g. "Lab 2")'), 

        ), 

        Str('nshardwareplatform?', 

            cli_name='platform', 

            label=_('Platform'), 

            doc=_('Host hardware platform (e.g. "Lenovo T61")'), 

        ), 

        Str('nsosversion?', 

            cli_name='os', 

            label=_('Operating system'), 

            doc=_('Host operating system and version (e.g. "Fedora 9")'), 

        ), 

        Str('userpassword?', 

            cli_name='password', 

            label=_('User password'), 

            doc=_('Password used in bulk enrollment'), 

        ), 

        Flag('random?', 

            doc=_('Generate a random password to be used in bulk enrollment'), 

            flags=('no_search', 'virtual_attribute'), 

            default=False, 

        ), 

        Str('randompassword?', 

            label=_('Random password'), 

            flags=('no_create', 'no_update', 'no_search', 'virtual_attribute'), 

        ), 

        Bytes('usercertificate?', validate_certificate, 

            cli_name='certificate', 

            label=_('Certificate'), 

            doc=_('Base-64 encoded server certificate'), 

        ), 

        Str('krbprincipalname?', 

            label=_('Principal name'), 

            flags=['no_create', 'no_update', 'no_search'], 

        ), 

        Str('macaddress*', 

            normalizer=lambda value: value.upper(), 

            pattern='^([a-fA-F0-9]{2}[:|\-]?){5}[a-fA-F0-9]{2}$', 

            pattern_errmsg='Must be of the form HH:HH:HH:HH:HH:HH, where each H is a hexadecimal character.', 

            csv=True, 

            label=_('MAC address'), 

            doc=_('Hardware MAC address(es) on this host'), 

        ), 

        Str('ipasshpubkey*', validate_sshpubkey_no_options, 

            cli_name='sshpubkey', 

            label=_('SSH public key'), 

            normalizer=normalize_sshpubkey, 

            csv=True, 

            flags=['no_search'], 

        ), 

    ) 

    def get_dn(self, *keys, **options): 

        hostname = keys[-1] 

        dn = super(host, self).get_dn(hostname, **options) 

        try: 

            self.backend.get_entry(dn, ['']) 

        except errors.NotFound: 

            try: 

                (dn, entry_attrs) = self.backend.find_entry_by_attr( 

                    'serverhostname', hostname, self.object_class, [''], 

                    DN(self.container_dn, api.env.basedn)) 

            except errors.NotFound: 

                pass 

        return dn 

    def get_managed_hosts(self, dn): 

        host_filter = 'managedBy=%s' % dn 

        host_attrs = ['fqdn'] 

        ldap = self.api.Backend.ldap2 

        managed_hosts = [] 

        try: 

            (hosts, truncated) = ldap.find_entries( 

                base_dn=DN(self.container_dn, api.env.basedn), 

                filter=host_filter, attrs_list=host_attrs) 

            for host in hosts: 

                managed_hosts.append(host[0]) 

        except errors.NotFound: 

            return [] 

        return managed_hosts 

    def suppress_netgroup_memberof(self, entry_attrs): 

        """ 

        We don't want to show managed netgroups so remove them from the 

        memberofindirect list. 

        """ 

        ng_container = DN(api.env.container_netgroup, api.env.basedn) 

        if 'memberofindirect' in entry_attrs: 

            for member in list(entry_attrs['memberofindirect']): 

                memberdn = DN(member) 

                if memberdn.endswith(ng_container): 

                    try: 

                        netgroup = api.Command['netgroup_show'](memberdn['cn'], all=True)['result'] 

                        if self.has_objectclass(netgroup['objectclass'], 'mepmanagedentry'): 

                            entry_attrs['memberofindirect'].remove(member) 

                    except errors.NotFound: 

                        pass 

api.register(host) 

class host_add(LDAPCreate): 

    __doc__ = _('Add a new host.') 

    has_output_params = LDAPCreate.has_output_params + host_output_params 

    msg_summary = _('Added host "%(value)s"') 

    member_attributes = ['managedby'] 

    takes_options = LDAPCreate.takes_options + ( 

        Flag('force', 

            label=_('Force'), 

            doc=_('force host name even if not in DNS'), 

        ), 

        Flag('no_reverse', 

            doc=_('skip reverse DNS detection'), 

        ), 

        Str('ip_address?', validate_ipaddr, 

            doc=_('Add the host to DNS with this IP address'), 

            label=_('IP Address'), 

        ), 

    ) 

    def pre_callback(self, ldap, dn, entry_attrs, attrs_list, *keys, **options): 

        assert isinstance(dn, DN) 

        if options.get('ip_address') and dns_container_exists(ldap): 

            parts = keys[-1].split('.') 

            host = parts[0] 

            domain = unicode('.'.join(parts[1:])) 

            check_reverse = not options.get('no_reverse', False) 

            add_records_for_host_validation('ip_address', host, domain, 

                    options['ip_address'], 

                    check_forward=True, 

                    check_reverse=check_reverse) 

        if not options.get('force', False) and not 'ip_address' in options: 

            util.validate_host_dns(self.log, keys[-1]) 

        if 'locality' in entry_attrs: 

            entry_attrs['l'] = entry_attrs['locality'] 

        entry_attrs['cn'] = keys[-1] 

        entry_attrs['serverhostname'] = keys[-1].split('.', 1)[0] 

        if 'userpassword' not in entry_attrs and not options.get('random', False): 

            entry_attrs['krbprincipalname'] = 'host/%s@%s' % ( 

                keys[-1], self.api.env.realm 

            ) 

            if 'krbprincipalaux' not in entry_attrs['objectclass']: 

                entry_attrs['objectclass'].append('krbprincipalaux') 

            if 'krbprincipal' not in entry_attrs['objectclass']: 

                entry_attrs['objectclass'].append('krbprincipal') 

        else: 

            if 'krbprincipalaux' in entry_attrs['objectclass']: 

                entry_attrs['objectclass'].remove('krbprincipalaux') 

            if 'krbprincipal' in entry_attrs['objectclass']: 

                entry_attrs['objectclass'].remove('krbprincipal') 

        if options.get('random'): 

            entry_attrs['userpassword'] = ipa_generate_password(characters=host_pwd_chars) 

            # save the password so it can be displayed in post_callback 

            setattr(context, 'randompassword', entry_attrs['userpassword']) 

        cert = options.get('usercertificate') 

        if cert: 

            cert = x509.normalize_certificate(cert) 

            x509.verify_cert_subject(ldap, keys[-1], cert) 

            entry_attrs['usercertificate'] = cert 

        entry_attrs['managedby'] = dn 

        entry_attrs['objectclass'].append('ieee802device') 

        entry_attrs['objectclass'].append('ipasshhost') 

        return dn 

    def post_callback(self, ldap, dn, entry_attrs, *keys, **options): 

        assert isinstance(dn, DN) 

        exc = None 

        if dns_container_exists(ldap): 

            try: 

                parts = keys[-1].split('.') 

                host = parts[0] 

                domain = unicode('.'.join(parts[1:])) 

                if options.get('ip_address'): 

                    add_reverse = not options.get('no_reverse', False) 

                    add_records_for_host(host, domain, options['ip_address'], 

                                         add_forward=True, 

                                         add_reverse=add_reverse) 

                    del options['ip_address'] 

                update_sshfp_record(domain, unicode(parts[0]), entry_attrs) 

            except Exception, e: 

                exc = e 

        if options.get('random', False): 

            try: 

                entry_attrs['randompassword'] = unicode(getattr(context, 'randompassword')) 

            except AttributeError: 

                # On the off-chance some other extension deletes this from the 

                # context, don't crash. 

                pass 

        if exc: 

            raise errors.NonFatalError( 

                reason=_('The host was added but the DNS update failed with: %(exc)s') % dict(exc=exc) 

            ) 

        set_certificate_attrs(entry_attrs) 

        if options.get('all', False): 

            entry_attrs['managing'] = self.obj.get_managed_hosts(dn) 

        self.obj.get_password_attributes(ldap, dn, entry_attrs) 

        if entry_attrs['has_password']: 

            # If an OTP is set there is no keytab, at least not one 

            # fetched anywhere. 

            entry_attrs['has_keytab'] = False 

        convert_sshpubkey_post(ldap, dn, entry_attrs) 

        return dn 

api.register(host_add) 

class host_del(LDAPDelete): 

    __doc__ = _('Delete a host.') 

    msg_summary = _('Deleted host "%(value)s"') 

    member_attributes = ['managedby'] 

    takes_options = ( 

        Flag('updatedns?', 

            doc=_('Remove entries from DNS'), 

            default=False, 

        ), 

    ) 

    def pre_callback(self, ldap, dn, *keys, **options): 

        assert isinstance(dn, DN) 

        # If we aren't given a fqdn, find it 

        if _hostname_validator(None, keys[-1]) is not None: 

            hostentry = api.Command['host_show'](keys[-1])['result'] 

            fqdn = hostentry['fqdn'][0] 

        else: 

            fqdn = keys[-1] 

        host_is_master(ldap, fqdn) 

        # Remove all service records for this host 

        truncated = True 

        while truncated: 

            try: 

                ret = api.Command['service_find'](fqdn) 

                truncated = ret['truncated'] 

                services = ret['result'] 

            except errors.NotFound: 

                break 

            else: 

                for entry_attrs in services: 

                    principal = entry_attrs['krbprincipalname'][0] 

                    (service, hostname, realm) = split_principal(principal) 

                    if hostname.lower() == fqdn: 

                        api.Command['service_del'](principal) 

        updatedns = options.get('updatedns', False) 

        if updatedns: 

            try: 

                updatedns = dns_container_exists(ldap) 

            except errors.NotFound: 

                updatedns = False 

        if updatedns: 

            # Remove DNS entries 

            parts = fqdn.split('.') 

            domain = unicode('.'.join(parts[1:])) 

            try: 

                result = api.Command['dnszone_show'](domain)['result'] 

                domain = result['idnsname'][0] 

            except errors.NotFound: 

                self.obj.handle_not_found(*keys) 

            # Get all forward resources for this host 

            records = api.Command['dnsrecord_find'](domain, idnsname=parts[0])['result'] 

            for record in records: 

                if 'arecord' in record: 

                    remove_fwd_ptr(record['arecord'][0], parts[0], 

                                   domain, 'arecord') 

                if 'aaaarecord' in record: 

                    remove_fwd_ptr(record['aaaarecord'][0], parts[0], 

                                   domain, 'aaaarecord') 

                else: 

                    # Try to delete all other record types too 

                    _attribute_types = [str('%srecord' % t.lower()) for t in _record_types] 

                    for attr in _attribute_types: 

                        if attr not in ['arecord', 'aaaarecord'] and attr in record: 

                            for i in xrange(len(record[attr])): 

                                if (record[attr][i].endswith(parts[0]) or 

                                    record[attr][i].endswith(fqdn+'.')): 

                                    delkw = { unicode(attr) : record[attr][i] } 

                                    api.Command['dnsrecord_del'](domain, 

                                            record['idnsname'][0], 

                                            **delkw) 

                            break 

        try: 

            (dn, entry_attrs) = ldap.get_entry(dn, ['usercertificate']) 

        except errors.NotFound: 

            self.obj.handle_not_found(*keys) 

        if 'usercertificate' in entry_attrs: 

            cert = x509.normalize_certificate(entry_attrs.get('usercertificate')[0]) 

            try: 

                serial = unicode(x509.get_serial_number(cert, x509.DER)) 

                try: 

                    result = api.Command['cert_show'](unicode(serial))['result' 

] 

                    if 'revocation_reason' not in result: 

                        try: 

                            api.Command['cert_revoke'](unicode(serial), revocation_reason=4) 

                        except errors.NotImplementedError: 

                            # some CA's might not implement revoke 

                            pass 

                except errors.NotImplementedError: 

                    # some CA's might not implement revoke 

                    pass 

            except NSPRError, nsprerr: 

                if nsprerr.errno == -8183: 

                    # If we can't decode the cert them proceed with 

                    # removing the host. 

                    self.log.info("Problem decoding certificate %s" % nsprerr.args[1]) 

                else: 

                    raise nsprerr 

        return dn 

api.register(host_del) 

class host_mod(LDAPUpdate): 

    __doc__ = _('Modify information about a host.') 

    has_output_params = LDAPUpdate.has_output_params + host_output_params 

    msg_summary = _('Modified host "%(value)s"') 

    member_attributes = ['managedby'] 

    takes_options = LDAPUpdate.takes_options + ( 

        Str('krbprincipalname?', 

            cli_name='principalname', 

            label=_('Principal name'), 

            doc=_('Kerberos principal name for this host'), 

            attribute=True, 

        ), 

        Flag('updatedns?', 

            doc=_('Update DNS entries'), 

            default=False, 

        ), 

    ) 

    def pre_callback(self, ldap, dn, entry_attrs, attrs_list, *keys, **options): 

        assert isinstance(dn, DN) 

        # Allow an existing OTP to be reset but don't allow a OTP to be 

        # added to an enrolled host. 

        if options.get('userpassword') or options.get('random'): 

            entry = {} 

            self.obj.get_password_attributes(ldap, dn, entry) 

            if not entry['has_password'] and entry['has_keytab']: 

                raise errors.ValidationError(name='password', error=_('Password cannot be set on enrolled host.')) 

        # Once a principal name is set it cannot be changed 

        if 'cn' in entry_attrs: 

            raise errors.ACIError(info=_('cn is immutable')) 

        if 'locality' in entry_attrs: 

            entry_attrs['l'] = entry_attrs['locality'] 

        if 'krbprincipalname' in entry_attrs: 

            (dn, entry_attrs_old) = ldap.get_entry( 

                dn, ['objectclass', 'krbprincipalname'] 

            ) 

            if 'krbprincipalname' in entry_attrs_old: 

                msg = 'Principal name already set, it is unchangeable.' 

                raise errors.ACIError(info=msg) 

            obj_classes = entry_attrs_old['objectclass'] 

            if 'krbprincipalaux' not in obj_classes: 

                obj_classes.append('krbprincipalaux') 

                entry_attrs['objectclass'] = obj_classes 

        cert = x509.normalize_certificate(entry_attrs.get('usercertificate')) 

        if cert: 

            x509.verify_cert_subject(ldap, keys[-1], cert) 

            (dn, entry_attrs_old) = ldap.get_entry(dn, ['usercertificate']) 

            if 'usercertificate' in entry_attrs_old: 

                oldcert = x509.normalize_certificate(entry_attrs_old.get('usercertificate')[0]) 

                try: 

                    serial = unicode(x509.get_serial_number(oldcert, x509.DER)) 

                    try: 

                        result = api.Command['cert_show'](unicode(serial))['result'] 

                        if 'revocation_reason' not in result: 

                            try: 

                                api.Command['cert_revoke'](unicode(serial), revocation_reason=4) 

                            except errors.NotImplementedError: 

                                # some CA's might not implement revoke 

                                pass 

                    except errors.NotImplementedError: 

                        # some CA's might not implement revoke 

                        pass 

                except NSPRError, nsprerr: 

                    if nsprerr.errno == -8183: 

                        # If we can't decode the cert them proceed with 

                        # modifying the host. 

                        self.log.info("Problem decoding certificate %s" % nsprerr.args[1]) 

                    else: 

                        raise nsprerr 

            entry_attrs['usercertificate'] = cert 

        if options.get('random'): 

            entry_attrs['userpassword'] = ipa_generate_password(characters=host_pwd_chars) 

            setattr(context, 'randompassword', entry_attrs['userpassword']) 

        if 'macaddress' in entry_attrs: 

            if 'objectclass' in entry_attrs: 

                obj_classes = entry_attrs['objectclass'] 

            else: 

                (_dn, _entry_attrs) = ldap.get_entry( 

                    dn, ['objectclass'] 

                ) 

                obj_classes = _entry_attrs['objectclass'] 

            if 'ieee802device' not in obj_classes: 

                obj_classes.append('ieee802device') 

                entry_attrs['objectclass'] = obj_classes 

        if options.get('updatedns', False) and dns_container_exists(ldap): 

            parts = keys[-1].split('.') 

            domain = unicode('.'.join(parts[1:])) 

            try: 

                result = api.Command['dnszone_show'](domain)['result'] 

                domain = result['idnsname'][0] 

            except errors.NotFound: 

                self.obj.handle_not_found(*keys) 

            update_sshfp_record(domain, unicode(parts[0]), entry_attrs) 

        if 'ipasshpubkey' in entry_attrs: 

            if 'objectclass' in entry_attrs: 

                obj_classes = entry_attrs['objectclass'] 

            else: 

                (_dn, _entry_attrs) = ldap.get_entry(dn, ['objectclass']) 

                obj_classes = entry_attrs['objectclass'] = _entry_attrs['objectclass'] 

            if 'ipasshhost' not in obj_classes: 

                obj_classes.append('ipasshhost') 

        return dn 

    def post_callback(self, ldap, dn, entry_attrs, *keys, **options): 

        assert isinstance(dn, DN) 

        if options.get('random', False): 

            entry_attrs['randompassword'] = unicode(getattr(context, 'randompassword')) 

        set_certificate_attrs(entry_attrs) 

        self.obj.get_password_attributes(ldap, dn, entry_attrs) 

        if entry_attrs['has_password']: 

            # If an OTP is set there is no keytab, at least not one 

            # fetched anywhere. 

            entry_attrs['has_keytab'] = False 

        if options.get('all', False): 

            entry_attrs['managing'] = self.obj.get_managed_hosts(dn) 

        self.obj.suppress_netgroup_memberof(entry_attrs) 

        convert_sshpubkey_post(ldap, dn, entry_attrs) 

        return dn 

api.register(host_mod) 

class host_find(LDAPSearch): 

    __doc__ = _('Search for hosts.') 

    has_output_params = LDAPSearch.has_output_params + host_output_params 

    msg_summary = ngettext( 

        '%(count)d host matched', '%(count)d hosts matched', 0 

    ) 

    member_attributes = ['memberof', 'enrolledby', 'managedby'] 

    def get_options(self): 

        for option in super(host_find, self).get_options(): 

            yield option 

        # "managing" membership has to be added and processed separately 

        for option in self.get_member_options('managing'): 

            yield option 

    def pre_callback(self, ldap, filter, attrs_list, base_dn, scope, *args, **options): 

        assert isinstance(base_dn, DN) 

        if 'locality' in attrs_list: 

            attrs_list.remove('locality') 

            attrs_list.append('l') 

        if 'man_host' in options or 'not_man_host' in options: 

            hosts = [] 

            if options.get('man_host') is not None: 

                for pkey in options.get('man_host', []): 

                    dn = self.obj.get_dn(pkey) 

                    try: 

                        (dn, entry_attrs) = ldap.get_entry(dn, ['managedby']) 

                    except errors.NotFound: 

                        self.obj.handle_not_found(pkey) 

                    hosts.append(set(entry_attrs.get('managedby', ''))) 

                hosts = list(reduce(lambda s1, s2: s1 & s2, hosts)) 

                if not hosts: 

                    # There is no host managing _all_ hosts in --man-hosts 

                    filter = ldap.combine_filters( 

                        (filter, '(objectclass=disabled)'), ldap.MATCH_ALL 

                    ) 

            not_hosts = [] 

            if options.get('not_man_host') is not None: 

                for pkey in options.get('not_man_host', []): 

                    dn = self.obj.get_dn(pkey) 

                    try: 

                        (dn, entry_attrs) = ldap.get_entry(dn, ['managedby']) 

                    except errors.NotFound: 

                        self.obj.handle_not_found(pkey) 

                    not_hosts += entry_attrs.get('managedby', []) 

                not_hosts = list(set(not_hosts)) 

            for target_hosts, filter_op in ((hosts, ldap.MATCH_ANY), 

                                            (not_hosts, ldap.MATCH_NONE)): 

                hosts_avas = [DN(host)[0][0] for host in target_hosts] 

                hosts_filters = [ldap.make_filter_from_attr(ava.attr, ava.value) for ava in hosts_avas] 

                hosts_filter = ldap.combine_filters(hosts_filters, filter_op) 

                filter = ldap.combine_filters( 

                        (filter, hosts_filter), ldap.MATCH_ALL 

                    ) 

        return (filter.replace('locality', 'l'), base_dn, scope) 

    def post_callback(self, ldap, entries, truncated, *args, **options): 

        if options.get('pkey_only', False): 

            return truncated 

        for entry in entries: 

            (dn, entry_attrs) = entry 

            set_certificate_attrs(entry_attrs) 

            self.obj.get_password_attributes(ldap, dn, entry_attrs) 

            self.obj.suppress_netgroup_memberof(entry_attrs) 

            if entry_attrs['has_password']: 

                # If an OTP is set there is no keytab, at least not one 

                # fetched anywhere. 

                entry_attrs['has_keytab'] = False 

            if options.get('all', False): 

                entry_attrs['managing'] = self.obj.get_managed_hosts(entry[0]) 

            convert_sshpubkey_post(ldap, dn, entry_attrs) 

        return truncated 

api.register(host_find) 

class host_show(LDAPRetrieve):