s4:provision - Removed dependency on full Samba 3 schema from FDS
[ira/wip.git] / source4 / scripting / python / samba / provisionbackend.py
1 #
2 # Unix SMB/CIFS implementation.
3 # backend code for provisioning a Samba4 server
4
5 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
6 # Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008-2009
7 # Copyright (C) Oliver Liebel <oliver@itc.li> 2008-2009
8 #
9 # Based on the original in EJS:
10 # Copyright (C) Andrew Tridgell <tridge@samba.org> 2005
11 #
12 # This program is free software; you can redistribute it and/or modify
13 # it under the terms of the GNU General Public License as published by
14 # the Free Software Foundation; either version 3 of the License, or
15 # (at your option) any later version.
16 #   
17 # This program is distributed in the hope that it will be useful,
18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 # GNU General Public License for more details.
21 #   
22 # You should have received a copy of the GNU General Public License
23 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
24 #
25
26 """Functions for setting up a Samba configuration (LDB and LDAP backends)."""
27
28 from base64 import b64encode
29 import ldb
30 import os
31 import sys
32 import uuid
33 import time
34 import shutil
35 import subprocess
36
37 from samba import read_and_sub_file
38 from samba import Ldb
39 import urllib
40 from ldb import SCOPE_BASE, SCOPE_ONELEVEL, LdbError, timestring
41 from credentials import Credentials, DONT_USE_KERBEROS
42 from samba import setup_file
43 from schema import Schema
44
45 def setup_db_config(setup_path, dbdir):
46     """Setup a Berkeley database.
47     
48     :param setup_path: Setup path function.
49     :param dbdir: Database directory."""
50     if not os.path.isdir(os.path.join(dbdir, "bdb-logs")):
51         os.makedirs(os.path.join(dbdir, "bdb-logs"), 0700)
52         if not os.path.isdir(os.path.join(dbdir, "tmp")):
53             os.makedirs(os.path.join(dbdir, "tmp"), 0700)
54
55     setup_file(setup_path("DB_CONFIG"), os.path.join(dbdir, "DB_CONFIG"),
56                {"LDAPDBDIR": dbdir})
57
58 class ProvisionBackend(object):
59     def __init__(self, backend_type, paths=None, setup_path=None, lp=None, credentials=None, 
60                  names=None, message=None):
61         """Provision a backend for samba4"""
62         self.paths = paths
63         self.setup_path = setup_path
64         self.lp = lp
65         self.credentials = credentials
66         self.names = names
67         self.message = message
68
69         self.type = backend_type
70         
71         # Set a default - the code for "existing" below replaces this
72         self.ldap_backend_type = backend_type
73
74     def init(self):
75         pass
76
77     def start(self):
78         pass
79
80     def shutdown(self):
81         pass
82
83     def post_setup(self):
84         pass
85
86
87 class LDBBackend(ProvisionBackend):
88     def __init__(self, backend_type, paths=None, setup_path=None, lp=None, credentials=None, 
89                  names=None, message=None):
90
91         super(LDBBackend, self).__init__(
92                 backend_type=backend_type,
93                 paths=paths, setup_path=setup_path,
94                 lp=lp, credentials=credentials,
95                 names=names,
96                 message=message)
97
98     def init(self):
99         self.credentials = None
100         self.secrets_credentials = None
101     
102         # Wipe the old sam.ldb databases away
103         shutil.rmtree(self.paths.samdb + ".d", True)
104
105
106 class ExistingBackend(ProvisionBackend):
107     def __init__(self, backend_type, paths=None, setup_path=None, lp=None, credentials=None, 
108                  names=None, message=None):
109
110         super(ExistingBackend, self).__init__(
111                 backend_type=backend_type,
112                 paths=paths, setup_path=setup_path,
113                 lp=lp, credentials=credentials,
114                 names=names,
115                 message=message)
116
117         self.ldapi_uri = "ldapi://" + urllib.quote(os.path.join(paths.ldapdir, "ldapi"), safe="")
118
119     def init(self):
120         #Check to see that this 'existing' LDAP backend in fact exists
121         ldapi_db = Ldb(self.ldapi_uri, credentials=self.credentials)
122         search_ol_rootdse = ldapi_db.search(base="", scope=SCOPE_BASE,
123                                             expression="(objectClass=OpenLDAProotDSE)")
124
125         # If we have got here, then we must have a valid connection to the LDAP server, with valid credentials supplied
126         # This caused them to be set into the long-term database later in the script.
127         self.secrets_credentials = self.credentials
128
129         self.ldap_backend_type = "openldap" #For now, assume existing backends at least emulate OpenLDAP
130
131
132 class LDAPBackend(ProvisionBackend):
133     def __init__(self, backend_type, paths=None, setup_path=None, lp=None, credentials=None,
134                  names=None, message=None,
135                  domainsid=None,
136                  schema=None,
137                  hostname=None,
138                  ldapadminpass=None,
139                  slapd_path=None,
140                  ldap_backend_extra_port=None,
141                  ldap_dryrun_mode=False):
142
143         super(LDAPBackend, self).__init__(
144                 backend_type=backend_type,
145                 paths=paths, setup_path=setup_path,
146                 lp=lp, credentials=credentials,
147                 names=names,
148                 message=message)
149
150         self.domainsid = domainsid
151         self.schema = schema
152         self.hostname = hostname
153         self.ldapadminpass = ldapadminpass
154
155         self.slapd_path = slapd_path
156         self.slapd_command = None
157         self.slapd_command_escaped = None
158
159         self.ldap_backend_extra_port = ldap_backend_extra_port
160         self.ldap_dryrun_mode = ldap_dryrun_mode
161
162         self.ldapi_uri = "ldapi://" + urllib.quote(os.path.join(paths.ldapdir, "ldapi"), safe="")
163
164         if not os.path.exists(self.paths.ldapdir):
165             os.mkdir(self.paths.ldapdir)
166
167     def init(self):
168         # we will shortly start slapd with ldapi for final provisioning. first check with ldapsearch -> rootDSE via self.ldapi_uri
169         # if another instance of slapd is already running 
170         try:
171             ldapi_db = Ldb(self.ldapi_uri)
172             search_ol_rootdse = ldapi_db.search(base="", scope=SCOPE_BASE,
173                                                 expression="(objectClass=OpenLDAProotDSE)");
174             try:
175                 f = open(self.paths.slapdpid, "r")
176                 p = f.read()
177                 f.close()
178                 self.message("Check for slapd Process with PID: " + str(p) + " and terminate it manually.")
179             except:
180                 pass
181             
182             raise ProvisioningError("Warning: Another slapd Instance seems already running on this host, listening to " + self.ldapi_uri + ". Please shut it down before you continue. ")
183         
184         except LdbError, e:
185             pass
186
187         # Try to print helpful messages when the user has not specified the path to slapd
188         if self.slapd_path is None:
189             raise ProvisioningError("Warning: LDAP-Backend must be setup with path to slapd, e.g. --slapd-path=\"/usr/local/libexec/slapd\"!")
190         if not os.path.exists(self.slapd_path):
191             self.message (self.slapd_path)
192             raise ProvisioningError("Warning: Given Path to slapd does not exist!")
193
194
195         if not os.path.isdir(self.paths.ldapdir):
196             os.makedirs(self.paths.ldapdir, 0700)
197
198         # Put the LDIF of the schema into a database so we can search on
199         # it to generate schema-dependent configurations in Fedora DS and
200         # OpenLDAP
201         schemadb_path = os.path.join(self.paths.ldapdir, "schema-tmp.ldb")
202         try:
203             os.unlink(schemadb_path)
204         except OSError:
205             pass
206
207         self.schema.write_to_tmp_ldb(schemadb_path);
208
209         self.credentials = Credentials()
210         self.credentials.guess(self.lp)
211         #Kerberos to an ldapi:// backend makes no sense
212         self.credentials.set_kerberos_state(DONT_USE_KERBEROS)
213         self.credentials.set_password(self.ldapadminpass)
214
215         self.secrets_credentials = Credentials()
216         self.secrets_credentials.guess(self.lp)
217         #Kerberos to an ldapi:// backend makes no sense
218         self.secrets_credentials.set_kerberos_state(DONT_USE_KERBEROS)
219         self.secrets_credentials.set_username("samba-admin")
220         self.secrets_credentials.set_password(self.ldapadminpass)
221
222         self.provision()
223
224     def provision(self):
225         pass
226
227     def start(self):
228         self.slapd_command_escaped = "\'" + "\' \'".join(self.slapd_command) + "\'"
229         setup_file(self.setup_path("ldap_backend_startup.sh"), self.paths.ldapdir + "/ldap_backend_startup.sh", {
230                 "SLAPD_COMMAND" : self.slapd_command_escaped})
231
232         # Now start the slapd, so we can provision onto it.  We keep the
233         # subprocess context around, to kill this off at the successful
234         # end of the script
235         self.slapd = subprocess.Popen(self.slapd_provision_command, close_fds=True, shell=False)
236     
237         while self.slapd.poll() is None:
238             # Wait until the socket appears
239             try:
240                 ldapi_db = Ldb(self.ldapi_uri, lp=self.lp, credentials=self.credentials)
241                 search_ol_rootdse = ldapi_db.search(base="", scope=SCOPE_BASE,
242                                                     expression="(objectClass=OpenLDAProotDSE)")
243                 # If we have got here, then we must have a valid connection to the LDAP server!
244                 return
245             except LdbError, e:
246                 time.sleep(1)
247                 pass
248         
249         raise ProvisioningError("slapd died before we could make a connection to it")
250
251     def shutdown(self):
252         # if an LDAP backend is in use, terminate slapd after final provision and check its proper termination
253         if self.slapd.poll() is None:
254             #Kill the slapd
255             if hasattr(self.slapd, "terminate"):
256                 self.slapd.terminate()
257             else:
258                 # Older python versions don't have .terminate()
259                 import signal
260                 os.kill(self.slapd.pid, signal.SIGTERM)
261     
262             #and now wait for it to die
263             self.slapd.communicate()
264
265
266 class OpenLDAPBackend(LDAPBackend):
267     def __init__(self, backend_type, paths=None, setup_path=None, lp=None, credentials=None,
268                  names=None, message=None,
269                  domainsid=None,
270                  schema=None,
271                  hostname=None,
272                  ldapadminpass=None,
273                  slapd_path=None,
274                  ldap_backend_extra_port=None,
275                  ldap_dryrun_mode=False,
276                  ol_mmr_urls=None,
277                  nosync=False):
278
279         super(OpenLDAPBackend, self).__init__(
280                 backend_type=backend_type,
281                 paths=paths, setup_path=setup_path,
282                 lp=lp, credentials=credentials,
283                 names=names,
284                 message=message,
285                 domainsid=domainsid,
286                 schema=schema,
287                 hostname=hostname,
288                 ldapadminpass=ldapadminpass,
289                 slapd_path=slapd_path,
290                 ldap_backend_extra_port=ldap_backend_extra_port,
291                 ldap_dryrun_mode=ldap_dryrun_mode)
292
293         self.ol_mmr_urls = ol_mmr_urls
294         self.nosync = nosync
295
296         self.schema = Schema(
297                 self.setup_path,
298                 self.domainsid,
299                 schemadn=self.names.schemadn,
300                 serverdn=self.names.serverdn,
301                 files=[setup_path("schema_samba4.ldif")]);
302
303     def provision(self):
304         # Wipe the directories so we can start
305         shutil.rmtree(os.path.join(self.paths.ldapdir, "db"), True)
306
307         #Allow the test scripts to turn off fsync() for OpenLDAP as for TDB and LDB
308         nosync_config = ""
309         if self.nosync:
310             nosync_config = "dbnosync"
311         
312         lnkattr = self.schema.linked_attributes()
313         refint_attributes = ""
314         memberof_config = "# Generated from Samba4 schema\n"
315         for att in  lnkattr.keys():
316             if lnkattr[att] is not None:
317                 refint_attributes = refint_attributes + " " + att 
318             
319                 memberof_config += read_and_sub_file(self.setup_path("memberof.conf"),
320                                                  { "MEMBER_ATTR" : att ,
321                                                    "MEMBEROF_ATTR" : lnkattr[att] })
322             
323         refint_config = read_and_sub_file(self.setup_path("refint.conf"),
324                                       { "LINK_ATTRS" : refint_attributes})
325     
326         attrs = ["linkID", "lDAPDisplayName"]
327         res = self.schema.ldb.search(expression="(&(objectclass=attributeSchema)(searchFlags:1.2.840.113556.1.4.803:=1))", base=self.names.schemadn, scope=SCOPE_ONELEVEL, attrs=attrs)
328         index_config = ""
329         for i in range (0, len(res)):
330             index_attr = res[i]["lDAPDisplayName"][0]
331             if index_attr == "objectGUID":
332                 index_attr = "entryUUID"
333             
334             index_config += "index " + index_attr + " eq\n"
335
336         # generate serverids, ldap-urls and syncrepl-blocks for mmr hosts
337         mmr_on_config = ""
338         mmr_replicator_acl = ""
339         mmr_serverids_config = ""
340         mmr_syncrepl_schema_config = "" 
341         mmr_syncrepl_config_config = "" 
342         mmr_syncrepl_user_config = "" 
343        
344     
345         if self.ol_mmr_urls is not None:
346             # For now, make these equal
347             mmr_pass = self.ldapadminpass
348         
349             url_list=filter(None,self.ol_mmr_urls.split(' ')) 
350             if (len(url_list) == 1):
351                 url_list=filter(None,self.ol_mmr_urls.split(',')) 
352                      
353             
354                 mmr_on_config = "MirrorMode On"
355                 mmr_replicator_acl = "  by dn=cn=replicator,cn=samba read"
356                 serverid=0
357                 for url in url_list:
358                     serverid=serverid+1
359                     mmr_serverids_config += read_and_sub_file(self.setup_path("mmr_serverids.conf"),
360                                                           { "SERVERID" : str(serverid),
361                                                             "LDAPSERVER" : url })
362                     rid=serverid*10
363                     rid=rid+1
364                     mmr_syncrepl_schema_config += read_and_sub_file(self.setup_path("mmr_syncrepl.conf"),
365                                                                 {  "RID" : str(rid),
366                                                                    "MMRDN": self.names.schemadn,
367                                                                    "LDAPSERVER" : url,
368                                                                    "MMR_PASSWORD": mmr_pass})
369                 
370                     rid=rid+1
371                     mmr_syncrepl_config_config += read_and_sub_file(self.setup_path("mmr_syncrepl.conf"),
372                                                                 {  "RID" : str(rid),
373                                                                    "MMRDN": self.names.configdn,
374                                                                    "LDAPSERVER" : url,
375                                                                    "MMR_PASSWORD": mmr_pass})
376                 
377                     rid=rid+1
378                     mmr_syncrepl_user_config += read_and_sub_file(self.setup_path("mmr_syncrepl.conf"),
379                                                               {  "RID" : str(rid),
380                                                                  "MMRDN": self.names.domaindn,
381                                                                  "LDAPSERVER" : url,
382                                                                  "MMR_PASSWORD": mmr_pass })
383         # OpenLDAP cn=config initialisation
384         olc_syncrepl_config = ""
385         olc_mmr_config = "" 
386         # if mmr = yes, generate cn=config-replication directives
387         # and olc_seed.lif for the other mmr-servers
388         if self.ol_mmr_urls is not None:
389             serverid=0
390             olc_serverids_config = ""
391             olc_syncrepl_seed_config = ""
392             olc_mmr_config += read_and_sub_file(self.setup_path("olc_mmr.conf"),{})
393             rid=1000
394             for url in url_list:
395                 serverid=serverid+1
396                 olc_serverids_config += read_and_sub_file(self.setup_path("olc_serverid.conf"),
397                                                       { "SERVERID" : str(serverid),
398                                                         "LDAPSERVER" : url })
399             
400                 rid=rid+1
401                 olc_syncrepl_config += read_and_sub_file(self.setup_path("olc_syncrepl.conf"),
402                                                      {  "RID" : str(rid),
403                                                         "LDAPSERVER" : url,
404                                                         "MMR_PASSWORD": mmr_pass})
405             
406                 olc_syncrepl_seed_config += read_and_sub_file(self.setup_path("olc_syncrepl_seed.conf"),
407                                                           {  "RID" : str(rid),
408                                                              "LDAPSERVER" : url})
409                 
410             setup_file(self.setup_path("olc_seed.ldif"), self.paths.olcseedldif,
411                        {"OLC_SERVER_ID_CONF": olc_serverids_config,
412                         "OLC_PW": self.ldapadminpass,
413                         "OLC_SYNCREPL_CONF": olc_syncrepl_seed_config})
414         # end olc
415                 
416         setup_file(self.setup_path("slapd.conf"), self.paths.slapdconf,
417                    {"DNSDOMAIN": self.names.dnsdomain,
418                     "LDAPDIR": self.paths.ldapdir,
419                     "DOMAINDN": self.names.domaindn,
420                     "CONFIGDN": self.names.configdn,
421                     "SCHEMADN": self.names.schemadn,
422                     "MEMBEROF_CONFIG": memberof_config,
423                     "MIRRORMODE": mmr_on_config,
424                     "REPLICATOR_ACL": mmr_replicator_acl,
425                     "MMR_SERVERIDS_CONFIG": mmr_serverids_config,
426                     "MMR_SYNCREPL_SCHEMA_CONFIG": mmr_syncrepl_schema_config,
427                     "MMR_SYNCREPL_CONFIG_CONFIG": mmr_syncrepl_config_config,
428                     "MMR_SYNCREPL_USER_CONFIG": mmr_syncrepl_user_config,
429                     "OLC_SYNCREPL_CONFIG": olc_syncrepl_config,
430                     "OLC_MMR_CONFIG": olc_mmr_config,
431                     "REFINT_CONFIG": refint_config,
432                     "INDEX_CONFIG": index_config,
433                     "NOSYNC": nosync_config})
434         
435         setup_db_config(self.setup_path, os.path.join(self.paths.ldapdir, "db", "user"))
436         setup_db_config(self.setup_path, os.path.join(self.paths.ldapdir, "db", "config"))
437         setup_db_config(self.setup_path, os.path.join(self.paths.ldapdir, "db", "schema"))
438     
439         if not os.path.exists(os.path.join(self.paths.ldapdir, "db", "samba",  "cn=samba")):
440             os.makedirs(os.path.join(self.paths.ldapdir, "db", "samba",  "cn=samba"), 0700)
441         
442         setup_file(self.setup_path("cn=samba.ldif"), 
443                    os.path.join(self.paths.ldapdir, "db", "samba",  "cn=samba.ldif"),
444                    { "UUID": str(uuid.uuid4()), 
445                      "LDAPTIME": timestring(int(time.time()))} )
446         setup_file(self.setup_path("cn=samba-admin.ldif"), 
447                    os.path.join(self.paths.ldapdir, "db", "samba",  "cn=samba", "cn=samba-admin.ldif"),
448                    {"LDAPADMINPASS_B64": b64encode(self.ldapadminpass),
449                     "UUID": str(uuid.uuid4()), 
450                     "LDAPTIME": timestring(int(time.time()))} )
451     
452         if self.ol_mmr_urls is not None:
453             setup_file(self.setup_path("cn=replicator.ldif"),
454                        os.path.join(self.paths.ldapdir, "db", "samba",  "cn=samba", "cn=replicator.ldif"),
455                        {"MMR_PASSWORD_B64": b64encode(mmr_pass),
456                         "UUID": str(uuid.uuid4()),
457                         "LDAPTIME": timestring(int(time.time()))} )
458         
459
460         mapping = "schema-map-openldap-2.3"
461         backend_schema = "backend-schema.schema"
462
463         backend_schema_data = self.schema.ldb.convert_schema_to_openldap("openldap", open(self.setup_path(mapping), 'r').read())
464         assert backend_schema_data is not None
465         open(os.path.join(self.paths.ldapdir, backend_schema), 'w').write(backend_schema_data)
466
467         # now we generate the needed strings to start slapd automatically,
468         # first ldapi_uri...
469         if self.ldap_backend_extra_port is not None:
470             # When we use MMR, we can't use 0.0.0.0 as it uses the name
471             # specified there as part of it's clue as to it's own name,
472             # and not to replicate to itself
473             if self.ol_mmr_urls is None:
474                 server_port_string = "ldap://0.0.0.0:%d" % self.ldap_backend_extra_port
475             else:
476                 server_port_string = "ldap://" + self.names.hostname + "." + self.names.dnsdomain +":%d" % self.ldap_backend_extra_port
477         else:
478             server_port_string = ""
479
480         # Prepare the 'result' information - the commands to return in particular
481         self.slapd_provision_command = [self.slapd_path]
482
483         self.slapd_provision_command.append("-F" + self.paths.olcdir)
484
485         self.slapd_provision_command.append("-h")
486
487         # copy this command so we have two version, one with -d0 and only ldapi, and one with all the listen commands
488         self.slapd_command = list(self.slapd_provision_command)
489     
490         self.slapd_provision_command.append(self.ldapi_uri)
491         self.slapd_provision_command.append("-d0")
492
493         uris = self.ldapi_uri
494         if server_port_string is not "":
495             uris = uris + " " + server_port_string
496
497         self.slapd_command.append(uris)
498
499         # Set the username - done here because Fedora DS still uses the admin DN and simple bind
500         self.credentials.set_username("samba-admin")
501     
502         # If we were just looking for crashes up to this point, it's a
503         # good time to exit before we realise we don't have OpenLDAP on
504         # this system
505         if self.ldap_dryrun_mode:
506             sys.exit(0)
507
508         # Finally, convert the configuration into cn=config style!
509         if not os.path.isdir(self.paths.olcdir):
510             os.makedirs(self.paths.olcdir, 0770)
511
512             retcode = subprocess.call([self.slapd_path, "-Ttest", "-f", self.paths.slapdconf, "-F", self.paths.olcdir], close_fds=True, shell=False)
513
514 #            We can't do this, as OpenLDAP is strange.  It gives an error
515 #            output to the above, but does the conversion sucessfully...
516 #
517 #            if retcode != 0:
518 #                raise ProvisioningError("conversion from slapd.conf to cn=config failed")
519
520             if not os.path.exists(os.path.join(self.paths.olcdir, "cn=config.ldif")):
521                 raise ProvisioningError("conversion from slapd.conf to cn=config failed")
522
523             # Don't confuse the admin by leaving the slapd.conf around
524             os.remove(self.paths.slapdconf)        
525
526
527 class FDSBackend(LDAPBackend):
528     def __init__(self, backend_type, paths=None, setup_path=None, lp=None, credentials=None,
529                  names=None, message=None,
530                  domainsid=None,
531                  schema=None,
532                  hostname=None,
533                  ldapadminpass=None,
534                  slapd_path=None,
535                  ldap_backend_extra_port=None,
536                  ldap_dryrun_mode=False,
537                  root=None,
538                  setup_ds_path=None):
539
540         super(FDSBackend, self).__init__(
541                 backend_type=backend_type,
542                 paths=paths, setup_path=setup_path,
543                 lp=lp, credentials=credentials,
544                 names=names,
545                 message=message,
546                 domainsid=domainsid,
547                 schema=schema,
548                 hostname=hostname,
549                 ldapadminpass=ldapadminpass,
550                 slapd_path=slapd_path,
551                 ldap_backend_extra_port=ldap_backend_extra_port,
552                 ldap_dryrun_mode=ldap_dryrun_mode)
553
554         self.root = root
555         self.setup_ds_path = setup_ds_path
556
557         self.sambadn = "CN=Samba"
558
559         self.fedoradsinf = os.path.join(paths.ldapdir, "fedorads.inf")
560         self.partitions_ldif = os.path.join(paths.ldapdir, "fedorads-partitions.ldif")
561         self.sasl_ldif = os.path.join(paths.ldapdir, "fedorads-sasl.ldif")
562         self.dna_ldif = os.path.join(paths.ldapdir, "fedorads-dna.ldif")
563         self.pam_ldif = os.path.join(paths.ldapdir, "fedorads-pam.ldif")
564         self.refint_ldif = os.path.join(paths.ldapdir, "fedorads-refint.ldif")
565         self.linked_attrs_ldif = os.path.join(paths.ldapdir, "fedorads-linked-attributes.ldif")
566         self.index_ldif = os.path.join(paths.ldapdir, "fedorads-index.ldif")
567         self.samba_ldif = os.path.join(paths.ldapdir, "fedorads-samba.ldif")
568
569         self.samba3_schema = self.setup_path("../../examples/LDAP/samba.schema")
570         self.samba3_ldif = os.path.join(self.paths.ldapdir, "samba3.ldif")
571
572         self.retcode = subprocess.call(["bin/oLschema2ldif", "-H", "NONE",
573                 "-I", self.samba3_schema,
574                 "-O", self.samba3_ldif,
575                 "-b", self.names.domaindn],
576                 close_fds=True, shell=False)
577
578         if self.retcode != 0:
579             raise Exception("Unable to convert Samba 3 schema.")
580
581         self.schema = Schema(
582                 self.setup_path,
583                 self.domainsid,
584                 schemadn=self.names.schemadn,
585                 serverdn=self.names.serverdn,
586                 files=[setup_path("schema_samba4.ldif"), self.samba3_ldif],
587                 prefixmap=["1000:1.3.6.1.4.1.7165.2.1", "1001:1.3.6.1.4.1.7165.2.2"])
588
589     def provision(self):
590         if self.ldap_backend_extra_port is not None:
591             serverport = "ServerPort=%d" % self.ldap_backend_extra_port
592         else:
593             serverport = ""
594         
595         setup_file(self.setup_path("fedorads.inf"), self.fedoradsinf, 
596                    {"ROOT": self.root,
597                     "HOSTNAME": self.hostname,
598                     "DNSDOMAIN": self.names.dnsdomain,
599                     "LDAPDIR": self.paths.ldapdir,
600                     "DOMAINDN": self.names.domaindn,
601                     "LDAPMANAGERDN": self.names.ldapmanagerdn,
602                     "LDAPMANAGERPASS": self.ldapadminpass, 
603                     "SERVERPORT": serverport})
604
605         setup_file(self.setup_path("fedorads-partitions.ldif"), self.partitions_ldif, 
606                    {"CONFIGDN": self.names.configdn,
607                     "SCHEMADN": self.names.schemadn,
608                     "SAMBADN": self.sambadn,
609                     })
610
611         setup_file(self.setup_path("fedorads-sasl.ldif"), self.sasl_ldif, 
612                    {"SAMBADN": self.sambadn,
613                     })
614
615         setup_file(self.setup_path("fedorads-dna.ldif"), self.dna_ldif, 
616                    {"DOMAINDN": self.names.domaindn,
617                     "SAMBADN": self.sambadn,
618                     "DOMAINSID": str(self.domainsid),
619                     })
620
621         setup_file(self.setup_path("fedorads-pam.ldif"), self.pam_ldif)
622
623         lnkattr = self.schema.linked_attributes()
624
625         refint_config = data = open(self.setup_path("fedorads-refint-delete.ldif"), 'r').read()
626         memberof_config = ""
627         index_config = ""
628         argnum = 3
629
630         for attr in lnkattr.keys():
631             if lnkattr[attr] is not None:
632                 refint_config += read_and_sub_file(self.setup_path("fedorads-refint-add.ldif"),
633                                                  { "ARG_NUMBER" : str(argnum) ,
634                                                    "LINK_ATTR" : attr })
635                 memberof_config += read_and_sub_file(self.setup_path("fedorads-linked-attributes.ldif"),
636                                                  { "MEMBER_ATTR" : attr ,
637                                                    "MEMBEROF_ATTR" : lnkattr[attr] })
638                 index_config += read_and_sub_file(self.setup_path("fedorads-index.ldif"),
639                                                  { "ATTR" : attr })
640                 argnum += 1
641
642         open(self.refint_ldif, 'w').write(refint_config)
643         open(self.linked_attrs_ldif, 'w').write(memberof_config)
644
645         attrs = ["lDAPDisplayName"]
646         res = self.schema.ldb.search(expression="(&(objectclass=attributeSchema)(searchFlags:1.2.840.113556.1.4.803:=1))", base=self.names.schemadn, scope=SCOPE_ONELEVEL, attrs=attrs)
647
648         for i in range (0, len(res)):
649             attr = res[i]["lDAPDisplayName"][0]
650
651             if attr == "objectGUID":
652                 attr = "nsUniqueId"
653
654             index_config += read_and_sub_file(self.setup_path("fedorads-index.ldif"),
655                                              { "ATTR" : attr })
656
657         open(self.index_ldif, 'w').write(index_config)
658
659         setup_file(self.setup_path("fedorads-samba.ldif"), self.samba_ldif,
660                     {"SAMBADN": self.sambadn, 
661                      "LDAPADMINPASS": self.ldapadminpass
662                     })
663
664         mapping = "schema-map-fedora-ds-1.0"
665         backend_schema = "99_ad.ldif"
666     
667         # Build a schema file in Fedora DS format
668         backend_schema_data = self.schema.ldb.convert_schema_to_openldap("fedora-ds", open(self.setup_path(mapping), 'r').read())
669         assert backend_schema_data is not None
670         open(os.path.join(self.paths.ldapdir, backend_schema), 'w').write(backend_schema_data)
671
672         self.credentials.set_bind_dn(self.names.ldapmanagerdn)
673
674         # Destory the target directory, or else setup-ds.pl will complain
675         fedora_ds_dir = os.path.join(self.paths.ldapdir, "slapd-samba4")
676         shutil.rmtree(fedora_ds_dir, True)
677
678         self.slapd_provision_command = [self.slapd_path, "-D", fedora_ds_dir, "-i", self.paths.slapdpid];
679         #In the 'provision' command line, stay in the foreground so we can easily kill it
680         self.slapd_provision_command.append("-d0")
681
682         #the command for the final run is the normal script
683         self.slapd_command = [os.path.join(self.paths.ldapdir, "slapd-samba4", "start-slapd")]
684
685         # If we were just looking for crashes up to this point, it's a
686         # good time to exit before we realise we don't have Fedora DS on
687         if self.ldap_dryrun_mode:
688             sys.exit(0)
689
690         # Try to print helpful messages when the user has not specified the path to the setup-ds tool
691         if self.setup_ds_path is None:
692             raise ProvisioningError("Warning: Fedora DS LDAP-Backend must be setup with path to setup-ds, e.g. --setup-ds-path=\"/usr/sbin/setup-ds.pl\"!")
693         if not os.path.exists(self.setup_ds_path):
694             self.message (self.setup_ds_path)
695             raise ProvisioningError("Warning: Given Path to slapd does not exist!")
696
697         # Run the Fedora DS setup utility
698         retcode = subprocess.call([self.setup_ds_path, "--silent", "--file", self.fedoradsinf], close_fds=True, shell=False)
699         if retcode != 0:
700             raise ProvisioningError("setup-ds failed")
701
702         # Load samba-admin
703         retcode = subprocess.call([
704             os.path.join(self.paths.ldapdir, "slapd-samba4", "ldif2db"), "-s", self.sambadn, "-i", self.samba_ldif],
705             close_fds=True, shell=False)
706         if retcode != 0:
707             raise("ldif2db failed")
708
709     def post_setup(self):
710         ldapi_db = Ldb(self.ldapi_uri, credentials=self.credentials)
711
712         # delete default SASL mappings
713         res = ldapi_db.search(expression="(!(cn=samba-admin mapping))", base="cn=mapping,cn=sasl,cn=config", scope=SCOPE_ONELEVEL, attrs=["dn"])
714     
715         # configure in-directory access control on Fedora DS via the aci attribute (over a direct ldapi:// socket)
716         for i in range (0, len(res)):
717             dn = str(res[i]["dn"])
718             ldapi_db.delete(dn)
719             
720             aci = """(targetattr = "*") (version 3.0;acl "full access to all by samba-admin";allow (all)(userdn = "ldap:///CN=samba-admin,%s");)""" % self.sambadn
721         
722             m = ldb.Message()
723             m["aci"] = ldb.MessageElement([aci], ldb.FLAG_MOD_REPLACE, "aci")
724
725             m.dn = ldb.Dn(1, self.names.domaindn)
726             ldapi_db.modify(m)
727             
728             m.dn = ldb.Dn(1, self.names.configdn)
729             ldapi_db.modify(m)
730             
731             m.dn = ldb.Dn(1, self.names.schemadn)
732             ldapi_db.modify(m)