summaryrefslogtreecommitdiffstats
path: root/ipalib/plugins/f_service.py
blob: 06d6a5d084a49432d8815e71e4cf94485af12089 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
# Authors:
#   Jason Gerard DeRose <jderose@redhat.com>
#   Rob Crittenden <rcritten@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; version 2 only
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

"""
Frontend plugins for service (Identity).
"""

from ipalib import api, crud, errors
from ipalib import Object  # Plugin base classes
from ipalib import Str, Flag # Parameter types


class service(Object):
    """
    Service object.
    """
    takes_params = (
        Str('principal', primary_key=True),
    )
api.register(service)


class service_add(crud.Add):
    """
    Add a new service.
    """

    takes_options = (
        Flag('force',
            doc='Force a service principal name',
        ),
    )
    def execute(self, principal, **kw):
        """
        Execute the service-add operation.

        The dn should not be passed as a keyword argument as it is constructed
        by this method.

        Returns the entry as it will be created in LDAP.

        :param principal: The service to be added in the form: service/hostname
        :param kw: Keyword arguments for the other LDAP attributes.
        """
        assert 'krbprincipalname' not in kw
        ldap = self.api.Backend.ldap

        force = kw.get('force', False)
        try:
            del kw['force']
        except:
            pass

        # Break down the principal into its component parts, which may or
        # may not include the realm.
        sp = principal.split('/')
        if len(sp) != 2:
            raise errors.MalformedServicePrincipal
        service = sp[0]

        if service.lower() == "host":
            raise errors.HostService

        sr = sp[1].split('@')
        if len(sr) == 1:
            hostname = sr[0].lower()
            realm = self.api.env.realm
        elif len(sr) == 2:
            hostname = sr[0].lower()
            realm = sr[1]
        else:
            raise MalformedServicePrincipal

        """
        FIXME once DNS client is done
        if not force:
            fqdn = hostname + "."
            rs = dnsclient.query(fqdn, dnsclient.DNS_C_IN, dnsclient.DNS_T_A)
            if len(rs) == 0:
                self.log.debug("IPA: DNS A record lookup failed for '%s'" % hostname)
                raise ipaerror.gen_exception(ipaerror.INPUT_NOT_DNS_A_RECORD)
            else:
                self.log.debug("IPA: found %d records for '%s'" % (len(rs), hostname))
        """

        # At some point we'll support multiple realms
        if (realm != self.api.env.realm):
            raise errors.RealmMismatch

        # Put the principal back together again
        princ_name = service + "/" + hostname + "@" + realm

        dn = ldap.make_service_dn(princ_name)

        kw['dn'] = dn
        kw['objectClass'] = ['krbPrincipal', 'krbPrincipalAux', 'krbTicketPolicyAux']

        return ldap.create(**kw)

    def output_to_cli(self, ret):
        if ret:
            print "Service added"

api.register(service_add)


class service_del(crud.Del):
    'Delete an existing service.'
    def execute(self, principal, **kw):
        """
        Delete a service principal.

        principal is the krbprincipalname of the entry to delete.

        This should be called with much care.

        :param principal: The service to be added in the form: service/hostname
        :param kw: not used
        """
        ldap = self.api.Backend.ldap
        dn = ldap.find_entry_dn("krbprincipalname", principal)
        return ldap.delete(dn)

    def output_to_cli(self, ret):
        if ret:
            print "Service removed"

api.register(service_del)

# There is no service-mod. The principal itself contains nothing that
# is user-changeable

class service_find(crud.Find):
    'Search the existing services.'
    def execute(self, principal, **kw):
        ldap = self.api.Backend.ldap

        search_kw = {}
        search_kw['filter'] = "&(objectclass=krbPrincipalAux)(!(objectClass=posixAccount))(!(|(krbprincipalname=kadmin/*)(krbprincipalname=K/M@*)(krbprincipalname=krbtgt/*)))"
        search_kw['krbprincipalname'] = principal

        object_type = ldap.get_object_type("krbprincipalname")
        if object_type and not kw.get('objectclass'):
            search_kw['objectclass'] = object_type

        return ldap.search(**search_kw)

    def output_for_cli(self, textui, result, *args, **options):
        counter = result[0]
        services = result[1:]
        if counter == 0:
            textui.print_plain("No entries found")
            return

        for s in services:
            textui.print_entry(s)

        if counter == -1:
            textui.print_plain("These results are truncated.")
            textui.print_plain("Please refine your search and try again.")
        textui.print_count(services, '%d services matched')

api.register(service_find)


class service_show(crud.Get):
    'Examine an existing service.'
    def execute(self, principal, **kw):
        """
        Execute the service-show operation.

        The dn should not be passed as a keyword argument as it is constructed
        by this method.

        Returns the entry

        :param principal: The service principal to retrieve
        :param kw: Not used.
        """
        ldap = self.api.Backend.ldap
        dn = ldap.find_entry_dn("krbprincipalname", principal)
        # FIXME: should kw contain the list of attributes to display?
        return ldap.retrieve(dn)
    def output_for_cli(self, textui, result, *args, **options):
        textui.print_entry(result)

api.register(service_show)