1 # Unix SMB/CIFS implementation.
2 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2010
3 # Copyright (C) Matthias Dieter Wallnoefer 2009
5 # Based on the original in EJS:
6 # Copyright (C) Andrew Tridgell <tridge@samba.org> 2005
7 # Copyright (C) Giampaolo Lauria <lauria2@yahoo.com> 2011
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 3 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 """Convenience functions for using the SAM."""
31 from samba
import dsdb
, dsdb_dns
32 from samba
.ndr
import ndr_unpack
, ndr_pack
33 from samba
.dcerpc
import drsblobs
, misc
34 from samba
.common
import normalise_int32
35 from samba
.compat
import text_type
36 from samba
.dcerpc
import security
38 __docformat__
= "restructuredText"
41 def get_default_backend_store():
45 class SamDB(samba
.Ldb
):
46 """The SAM database."""
51 def __init__(self
, url
=None, lp
=None, modules_dir
=None, session_info
=None,
52 credentials
=None, flags
=ldb
.FLG_DONT_CREATE_DB
,
53 options
=None, global_schema
=True,
54 auto_connect
=True, am_rodc
=None):
58 elif url
is None and lp
is not None:
63 super(SamDB
, self
).__init
__(url
=url
, lp
=lp
, modules_dir
=modules_dir
,
64 session_info
=session_info
, credentials
=credentials
, flags
=flags
,
68 dsdb
._dsdb
_set
_global
_schema
(self
)
70 if am_rodc
is not None:
71 dsdb
._dsdb
_set
_am
_rodc
(self
, am_rodc
)
73 def connect(self
, url
=None, flags
=0, options
=None):
74 '''connect to the database'''
75 if self
.lp
is not None and not os
.path
.exists(url
):
76 url
= self
.lp
.private_path(url
)
79 super(SamDB
, self
).connect(url
=url
, flags
=flags
,
83 '''return True if we are an RODC'''
84 return dsdb
._am
_rodc
(self
)
87 '''return True if we are an PDC emulator'''
88 return dsdb
._am
_pdc
(self
)
91 '''return the domain DN'''
92 return str(self
.get_default_basedn())
95 '''return the schema partition dn'''
96 return str(self
.get_schema_basedn())
98 def disable_account(self
, search_filter
):
99 """Disables an account
101 :param search_filter: LDAP filter to find the user (eg
105 flags
= samba
.dsdb
.UF_ACCOUNTDISABLE
106 self
.toggle_userAccountFlags(search_filter
, flags
, on
=True)
108 def enable_account(self
, search_filter
):
109 """Enables an account
111 :param search_filter: LDAP filter to find the user (eg
115 flags
= samba
.dsdb
.UF_ACCOUNTDISABLE | samba
.dsdb
.UF_PASSWD_NOTREQD
116 self
.toggle_userAccountFlags(search_filter
, flags
, on
=False)
118 def toggle_userAccountFlags(self
, search_filter
, flags
, flags_str
=None,
119 on
=True, strict
=False):
120 """Toggle_userAccountFlags
122 :param search_filter: LDAP filter to find the user (eg
124 :param flags: samba.dsdb.UF_* flags
125 :param on: on=True (default) => set, on=False => unset
126 :param strict: strict=False (default) ignore if no action is needed
127 strict=True raises an Exception if...
129 res
= self
.search(base
=self
.domain_dn(), scope
=ldb
.SCOPE_SUBTREE
,
130 expression
=search_filter
, attrs
=["userAccountControl"])
132 raise Exception("Unable to find account where '%s'" % search_filter
)
133 assert(len(res
) == 1)
134 account_dn
= res
[0].dn
136 old_uac
= int(res
[0]["userAccountControl"][0])
138 if strict
and (old_uac
& flags
):
139 error
= "Account flag(s) '%s' already set" % flags_str
140 raise Exception(error
)
142 new_uac
= old_uac | flags
144 if strict
and not (old_uac
& flags
):
145 error
= "Account flag(s) '%s' already unset" % flags_str
146 raise Exception(error
)
148 new_uac
= old_uac
& ~flags
150 if old_uac
== new_uac
:
156 delete: userAccountControl
157 userAccountControl: %u
158 add: userAccountControl
159 userAccountControl: %u
160 """ % (account_dn
, old_uac
, new_uac
)
161 self
.modify_ldif(mod
)
163 def force_password_change_at_next_login(self
, search_filter
):
164 """Forces a password change at next login
166 :param search_filter: LDAP filter to find the user (eg
169 res
= self
.search(base
=self
.domain_dn(), scope
=ldb
.SCOPE_SUBTREE
,
170 expression
=search_filter
, attrs
=[])
172 raise Exception('Unable to find user "%s"' % search_filter
)
173 assert(len(res
) == 1)
182 self
.modify_ldif(mod
)
184 def newgroup(self
, groupname
, groupou
=None, grouptype
=None,
185 description
=None, mailaddress
=None, notes
=None, sd
=None,
186 gidnumber
=None, nisdomain
=None):
187 """Adds a new group with additional parameters
189 :param groupname: Name of the new group
190 :param grouptype: Type of the new group
191 :param description: Description of the new group
192 :param mailaddress: Email address of the new group
193 :param notes: Notes of the new group
194 :param gidnumber: GID Number of the new group
195 :param nisdomain: NIS Domain Name of the new group
196 :param sd: security descriptor of the object
199 group_dn
= "CN=%s,%s,%s" % (groupname
, (groupou
or "CN=Users"), self
.domain_dn())
201 # The new user record. Note the reliance on the SAMLDB module which
202 # fills in the default informations
203 ldbmessage
= {"dn": group_dn
,
204 "sAMAccountName": groupname
,
205 "objectClass": "group"}
207 if grouptype
is not None:
208 ldbmessage
["groupType"] = normalise_int32(grouptype
)
210 if description
is not None:
211 ldbmessage
["description"] = description
213 if mailaddress
is not None:
214 ldbmessage
["mail"] = mailaddress
216 if notes
is not None:
217 ldbmessage
["info"] = notes
219 if gidnumber
is not None:
220 ldbmessage
["gidNumber"] = normalise_int32(gidnumber
)
222 if nisdomain
is not None:
223 ldbmessage
["msSFU30Name"] = groupname
224 ldbmessage
["msSFU30NisDomain"] = nisdomain
227 ldbmessage
["nTSecurityDescriptor"] = ndr_pack(sd
)
231 def deletegroup(self
, groupname
):
234 :param groupname: Name of the target group
237 groupfilter
= "(&(sAMAccountName=%s)(objectCategory=%s,%s))" % (ldb
.binary_encode(groupname
), "CN=Group,CN=Schema,CN=Configuration", self
.domain_dn())
238 self
.transaction_start()
240 targetgroup
= self
.search(base
=self
.domain_dn(), scope
=ldb
.SCOPE_SUBTREE
,
241 expression
=groupfilter
, attrs
=[])
242 if len(targetgroup
) == 0:
243 raise Exception('Unable to find group "%s"' % groupname
)
244 assert(len(targetgroup
) == 1)
245 self
.delete(targetgroup
[0].dn
)
247 self
.transaction_cancel()
250 self
.transaction_commit()
252 def add_remove_group_members(self
, groupname
, members
,
253 add_members_operation
=True):
254 """Adds or removes group members
256 :param groupname: Name of the target group
257 :param members: list of group members
258 :param add_members_operation: Defines if its an add or remove
262 groupfilter
= "(&(sAMAccountName=%s)(objectCategory=%s,%s))" % (
263 ldb
.binary_encode(groupname
), "CN=Group,CN=Schema,CN=Configuration", self
.domain_dn())
265 self
.transaction_start()
267 targetgroup
= self
.search(base
=self
.domain_dn(), scope
=ldb
.SCOPE_SUBTREE
,
268 expression
=groupfilter
, attrs
=['member'])
269 if len(targetgroup
) == 0:
270 raise Exception('Unable to find group "%s"' % groupname
)
271 assert(len(targetgroup
) == 1)
275 addtargettogroup
= """
278 """ % (str(targetgroup
[0].dn
))
280 for member
in members
:
281 filter = ('(&(sAMAccountName=%s)(|(objectclass=user)'
282 '(objectclass=group)))' % ldb
.binary_encode(member
))
285 membersid
= security
.dom_sid(member
)
286 except TypeError as e
:
289 if membersid
is not None:
290 filter = '(objectSid=%s)' % str(membersid
)
291 dn_str
= "<SID=%s>" % str(membersid
)
292 foreign_msg
= ldb
.Message()
293 foreign_msg
.dn
= ldb
.Dn(self
, dn_str
)
295 targetmember
= self
.search(base
=self
.domain_dn(),
296 scope
=ldb
.SCOPE_SUBTREE
,
297 expression
="%s" % filter,
300 if len(targetmember
) == 0 and foreign_msg
is not None:
301 targetmember
= [foreign_msg
]
302 if len(targetmember
) != 1:
303 raise Exception('Unable to find "%s". Operation cancelled.' % member
)
304 targetmember_dn
= targetmember
[0].dn
.extended_str(1)
306 if add_members_operation
is True and (targetgroup
[0].get('member') is None or str(targetmember_dn
) not in targetgroup
[0]['member']):
308 addtargettogroup
+= """add: member
310 """ % (str(targetmember_dn
))
312 elif add_members_operation
is False and (targetgroup
[0].get('member') is not None and targetmember_dn
in targetgroup
[0]['member']):
314 addtargettogroup
+= """delete: member
316 """ % (str(targetmember_dn
))
319 self
.modify_ldif(addtargettogroup
)
322 self
.transaction_cancel()
325 self
.transaction_commit()
327 def newuser(self
, username
, password
,
328 force_password_change_at_next_login_req
=False,
329 useusernameascn
=False, userou
=None, surname
=None, givenname
=None,
330 initials
=None, profilepath
=None, scriptpath
=None, homedrive
=None,
331 homedirectory
=None, jobtitle
=None, department
=None, company
=None,
332 description
=None, mailaddress
=None, internetaddress
=None,
333 telephonenumber
=None, physicaldeliveryoffice
=None, sd
=None,
334 setpassword
=True, uidnumber
=None, gidnumber
=None, gecos
=None,
335 loginshell
=None, uid
=None, nisdomain
=None, unixhome
=None,
336 smartcard_required
=False):
337 """Adds a new user with additional parameters
339 :param username: Name of the new user
340 :param password: Password for the new user
341 :param force_password_change_at_next_login_req: Force password change
342 :param useusernameascn: Use username as cn rather that firstname +
344 :param userou: Object container (without domainDN postfix) for new user
345 :param surname: Surname of the new user
346 :param givenname: First name of the new user
347 :param initials: Initials of the new user
348 :param profilepath: Profile path of the new user
349 :param scriptpath: Logon script path of the new user
350 :param homedrive: Home drive of the new user
351 :param homedirectory: Home directory of the new user
352 :param jobtitle: Job title of the new user
353 :param department: Department of the new user
354 :param company: Company of the new user
355 :param description: of the new user
356 :param mailaddress: Email address of the new user
357 :param internetaddress: Home page of the new user
358 :param telephonenumber: Phone number of the new user
359 :param physicaldeliveryoffice: Office location of the new user
360 :param sd: security descriptor of the object
361 :param setpassword: optionally disable password reset
362 :param uidnumber: RFC2307 Unix numeric UID of the new user
363 :param gidnumber: RFC2307 Unix primary GID of the new user
364 :param gecos: RFC2307 Unix GECOS field of the new user
365 :param loginshell: RFC2307 Unix login shell of the new user
366 :param uid: RFC2307 Unix username of the new user
367 :param nisdomain: RFC2307 Unix NIS domain of the new user
368 :param unixhome: RFC2307 Unix home directory of the new user
369 :param smartcard_required: set the UF_SMARTCARD_REQUIRED bit of the new user
373 if givenname
is not None:
374 displayname
+= givenname
376 if initials
is not None:
377 displayname
+= ' %s.' % initials
379 if surname
is not None:
380 displayname
+= ' %s' % surname
383 if useusernameascn
is None and displayname
is not "":
386 user_dn
= "CN=%s,%s,%s" % (cn
, (userou
or "CN=Users"), self
.domain_dn())
388 dnsdomain
= ldb
.Dn(self
, self
.domain_dn()).canonical_str().replace("/", "")
389 user_principal_name
= "%s@%s" % (username
, dnsdomain
)
390 # The new user record. Note the reliance on the SAMLDB module which
391 # fills in the default informations
392 ldbmessage
= {"dn": user_dn
,
393 "sAMAccountName": username
,
394 "userPrincipalName": user_principal_name
,
395 "objectClass": "user"}
397 if smartcard_required
:
398 ldbmessage
["userAccountControl"] = str(dsdb
.UF_NORMAL_ACCOUNT |
399 dsdb
.UF_SMARTCARD_REQUIRED
)
402 if surname
is not None:
403 ldbmessage
["sn"] = surname
405 if givenname
is not None:
406 ldbmessage
["givenName"] = givenname
408 if displayname
is not "":
409 ldbmessage
["displayName"] = displayname
410 ldbmessage
["name"] = displayname
412 if initials
is not None:
413 ldbmessage
["initials"] = '%s.' % initials
415 if profilepath
is not None:
416 ldbmessage
["profilePath"] = profilepath
418 if scriptpath
is not None:
419 ldbmessage
["scriptPath"] = scriptpath
421 if homedrive
is not None:
422 ldbmessage
["homeDrive"] = homedrive
424 if homedirectory
is not None:
425 ldbmessage
["homeDirectory"] = homedirectory
427 if jobtitle
is not None:
428 ldbmessage
["title"] = jobtitle
430 if department
is not None:
431 ldbmessage
["department"] = department
433 if company
is not None:
434 ldbmessage
["company"] = company
436 if description
is not None:
437 ldbmessage
["description"] = description
439 if mailaddress
is not None:
440 ldbmessage
["mail"] = mailaddress
442 if internetaddress
is not None:
443 ldbmessage
["wWWHomePage"] = internetaddress
445 if telephonenumber
is not None:
446 ldbmessage
["telephoneNumber"] = telephonenumber
448 if physicaldeliveryoffice
is not None:
449 ldbmessage
["physicalDeliveryOfficeName"] = physicaldeliveryoffice
452 ldbmessage
["nTSecurityDescriptor"] = ndr_pack(sd
)
455 if any(map(lambda b
: b
is not None, (uid
, uidnumber
, gidnumber
, gecos
,
456 loginshell
, nisdomain
, unixhome
))):
457 ldbmessage2
= ldb
.Message()
458 ldbmessage2
.dn
= ldb
.Dn(self
, user_dn
)
460 ldbmessage2
["uid"] = ldb
.MessageElement(str(uid
), ldb
.FLAG_MOD_REPLACE
, 'uid')
461 if uidnumber
is not None:
462 ldbmessage2
["uidNumber"] = ldb
.MessageElement(str(uidnumber
), ldb
.FLAG_MOD_REPLACE
, 'uidNumber')
463 if gidnumber
is not None:
464 ldbmessage2
["gidNumber"] = ldb
.MessageElement(str(gidnumber
), ldb
.FLAG_MOD_REPLACE
, 'gidNumber')
465 if gecos
is not None:
466 ldbmessage2
["gecos"] = ldb
.MessageElement(str(gecos
), ldb
.FLAG_MOD_REPLACE
, 'gecos')
467 if loginshell
is not None:
468 ldbmessage2
["loginShell"] = ldb
.MessageElement(str(loginshell
), ldb
.FLAG_MOD_REPLACE
, 'loginShell')
469 if unixhome
is not None:
470 ldbmessage2
["unixHomeDirectory"] = ldb
.MessageElement(
471 str(unixhome
), ldb
.FLAG_MOD_REPLACE
, 'unixHomeDirectory')
472 if nisdomain
is not None:
473 ldbmessage2
["msSFU30NisDomain"] = ldb
.MessageElement(
474 str(nisdomain
), ldb
.FLAG_MOD_REPLACE
, 'msSFU30NisDomain')
475 ldbmessage2
["msSFU30Name"] = ldb
.MessageElement(
476 str(username
), ldb
.FLAG_MOD_REPLACE
, 'msSFU30Name')
477 ldbmessage2
["unixUserPassword"] = ldb
.MessageElement(
478 'ABCD!efgh12345$67890', ldb
.FLAG_MOD_REPLACE
,
481 self
.transaction_start()
485 self
.modify(ldbmessage2
)
487 # Sets the password for it
489 self
.setpassword(("(distinguishedName=%s)" %
490 ldb
.binary_encode(user_dn
)),
492 force_password_change_at_next_login_req
)
494 self
.transaction_cancel()
497 self
.transaction_commit()
499 def newcomputer(self
, computername
, computerou
=None, description
=None,
500 prepare_oldjoin
=False, ip_address_list
=None,
501 service_principal_name_list
=None):
502 """Adds a new user with additional parameters
504 :param computername: Name of the new computer
505 :param computerou: Object container for new computer
506 :param description: Description of the new computer
507 :param prepare_oldjoin: Preset computer password for oldjoin mechanism
508 :param ip_address_list: ip address list for DNS A or AAAA record
509 :param service_principal_name_list: string list of servicePincipalName
512 cn
= re
.sub(r
"\$$", "", computername
)
514 raise Exception('Illegal computername "%s"' % computername
)
515 samaccountname
= "%s$" % cn
517 computercontainer_dn
= "CN=Computers,%s" % self
.domain_dn()
519 computercontainer_dn
= self
.normalize_dn_in_domain(computerou
)
521 computer_dn
= "CN=%s,%s" % (cn
, computercontainer_dn
)
523 ldbmessage
= {"dn": computer_dn
,
524 "sAMAccountName": samaccountname
,
525 "objectClass": "computer",
528 if description
is not None:
529 ldbmessage
["description"] = description
531 if service_principal_name_list
:
532 ldbmessage
["servicePrincipalName"] = service_principal_name_list
534 accountcontrol
= str(dsdb
.UF_WORKSTATION_TRUST_ACCOUNT |
535 dsdb
.UF_ACCOUNTDISABLE
)
537 accountcontrol
= str(dsdb
.UF_WORKSTATION_TRUST_ACCOUNT
)
538 ldbmessage
["userAccountControl"] = accountcontrol
541 ldbmessage
['dNSHostName'] = '{}.{}'.format(
542 cn
, self
.domain_dns_name())
544 self
.transaction_start()
549 password
= cn
.lower()
550 self
.setpassword(("(distinguishedName=%s)" %
551 ldb
.binary_encode(computer_dn
)),
554 self
.transaction_cancel()
557 self
.transaction_commit()
559 def deleteuser(self
, username
):
562 :param username: Name of the target user
565 filter = "(&(sAMAccountName=%s)(objectCategory=%s,%s))" % (ldb
.binary_encode(username
), "CN=Person,CN=Schema,CN=Configuration", self
.domain_dn())
566 self
.transaction_start()
568 target
= self
.search(base
=self
.domain_dn(), scope
=ldb
.SCOPE_SUBTREE
,
569 expression
=filter, attrs
=[])
571 raise Exception('Unable to find user "%s"' % username
)
572 assert(len(target
) == 1)
573 self
.delete(target
[0].dn
)
575 self
.transaction_cancel()
578 self
.transaction_commit()
580 def setpassword(self
, search_filter
, password
,
581 force_change_at_next_login
=False, username
=None):
582 """Sets the password for a user
584 :param search_filter: LDAP filter to find the user (eg
586 :param password: Password for the user
587 :param force_change_at_next_login: Force password change
589 self
.transaction_start()
591 res
= self
.search(base
=self
.domain_dn(), scope
=ldb
.SCOPE_SUBTREE
,
592 expression
=search_filter
, attrs
=[])
594 raise Exception('Unable to find user "%s"' % (username
or search_filter
))
596 raise Exception('Matched %u multiple users with filter "%s"' % (len(res
), search_filter
))
598 if not isinstance(password
, text_type
):
599 pw
= password
.decode('utf-8')
602 pw
= ('"' + pw
+ '"').encode('utf-16-le')
608 """ % (user_dn
, base64
.b64encode(pw
).decode('utf-8'))
610 self
.modify_ldif(setpw
)
612 if force_change_at_next_login
:
613 self
.force_password_change_at_next_login(
614 "(distinguishedName=" + str(user_dn
) + ")")
616 # modify the userAccountControl to remove the disabled bit
617 self
.enable_account(search_filter
)
619 self
.transaction_cancel()
622 self
.transaction_commit()
624 def setexpiry(self
, search_filter
, expiry_seconds
, no_expiry_req
=False):
625 """Sets the account expiry for a user
627 :param search_filter: LDAP filter to find the user (eg
629 :param expiry_seconds: expiry time from now in seconds
630 :param no_expiry_req: if set, then don't expire password
632 self
.transaction_start()
634 res
= self
.search(base
=self
.domain_dn(), scope
=ldb
.SCOPE_SUBTREE
,
635 expression
=search_filter
,
636 attrs
=["userAccountControl", "accountExpires"])
638 raise Exception('Unable to find user "%s"' % search_filter
)
639 assert(len(res
) == 1)
642 userAccountControl
= int(res
[0]["userAccountControl"][0])
643 accountExpires
= int(res
[0]["accountExpires"][0])
645 userAccountControl
= userAccountControl |
0x10000
648 userAccountControl
= userAccountControl
& ~
0x10000
649 accountExpires
= samba
.unix2nttime(expiry_seconds
+ int(time
.time()))
654 replace: userAccountControl
655 userAccountControl: %u
656 replace: accountExpires
658 """ % (user_dn
, userAccountControl
, accountExpires
)
660 self
.modify_ldif(setexp
)
662 self
.transaction_cancel()
665 self
.transaction_commit()
667 def set_domain_sid(self
, sid
):
668 """Change the domain SID used by this LDB.
670 :param sid: The new domain sid to use.
672 dsdb
._samdb
_set
_domain
_sid
(self
, sid
)
674 def get_domain_sid(self
):
675 """Read the domain SID used by this LDB. """
676 return dsdb
._samdb
_get
_domain
_sid
(self
)
678 domain_sid
= property(get_domain_sid
, set_domain_sid
,
679 "SID for the domain")
681 def set_invocation_id(self
, invocation_id
):
682 """Set the invocation id for this SamDB handle.
684 :param invocation_id: GUID of the invocation id.
686 dsdb
._dsdb
_set
_ntds
_invocation
_id
(self
, invocation_id
)
688 def get_invocation_id(self
):
689 """Get the invocation_id id"""
690 return dsdb
._samdb
_ntds
_invocation
_id
(self
)
692 invocation_id
= property(get_invocation_id
, set_invocation_id
,
693 "Invocation ID GUID")
695 def get_oid_from_attid(self
, attid
):
696 return dsdb
._dsdb
_get
_oid
_from
_attid
(self
, attid
)
698 def get_attid_from_lDAPDisplayName(self
, ldap_display_name
,
700 '''return the attribute ID for a LDAP attribute as an integer as found in DRSUAPI'''
701 return dsdb
._dsdb
_get
_attid
_from
_lDAPDisplayName
(self
,
702 ldap_display_name
, is_schema_nc
)
704 def get_syntax_oid_from_lDAPDisplayName(self
, ldap_display_name
):
705 '''return the syntax OID for a LDAP attribute as a string'''
706 return dsdb
._dsdb
_get
_syntax
_oid
_from
_lDAPDisplayName
(self
, ldap_display_name
)
708 def get_systemFlags_from_lDAPDisplayName(self
, ldap_display_name
):
709 '''return the systemFlags for a LDAP attribute as a integer'''
710 return dsdb
._dsdb
_get
_systemFlags
_from
_lDAPDisplayName
(self
, ldap_display_name
)
712 def get_linkId_from_lDAPDisplayName(self
, ldap_display_name
):
713 '''return the linkID for a LDAP attribute as a integer'''
714 return dsdb
._dsdb
_get
_linkId
_from
_lDAPDisplayName
(self
, ldap_display_name
)
716 def get_lDAPDisplayName_by_attid(self
, attid
):
717 '''return the lDAPDisplayName from an integer DRS attribute ID'''
718 return dsdb
._dsdb
_get
_lDAPDisplayName
_by
_attid
(self
, attid
)
720 def get_backlink_from_lDAPDisplayName(self
, ldap_display_name
):
721 '''return the attribute name of the corresponding backlink from the name
722 of a forward link attribute. If there is no backlink return None'''
723 return dsdb
._dsdb
_get
_backlink
_from
_lDAPDisplayName
(self
, ldap_display_name
)
725 def set_ntds_settings_dn(self
, ntds_settings_dn
):
726 """Set the NTDS Settings DN, as would be returned on the dsServiceName
729 This allows the DN to be set before the database fully exists
731 :param ntds_settings_dn: The new DN to use
733 dsdb
._samdb
_set
_ntds
_settings
_dn
(self
, ntds_settings_dn
)
735 def get_ntds_GUID(self
):
736 """Get the NTDS objectGUID"""
737 return dsdb
._samdb
_ntds
_objectGUID
(self
)
739 def server_site_name(self
):
740 """Get the server site name"""
741 return dsdb
._samdb
_server
_site
_name
(self
)
743 def host_dns_name(self
):
744 """return the DNS name of this host"""
745 res
= self
.search(base
='', scope
=ldb
.SCOPE_BASE
, attrs
=['dNSHostName'])
746 return str(res
[0]['dNSHostName'][0])
748 def domain_dns_name(self
):
749 """return the DNS name of the domain root"""
750 domain_dn
= self
.get_default_basedn()
751 return domain_dn
.canonical_str().split('/')[0]
753 def forest_dns_name(self
):
754 """return the DNS name of the forest root"""
755 forest_dn
= self
.get_root_basedn()
756 return forest_dn
.canonical_str().split('/')[0]
758 def load_partition_usn(self
, base_dn
):
759 return dsdb
._dsdb
_load
_partition
_usn
(self
, base_dn
)
761 def set_schema(self
, schema
, write_indices_and_attributes
=True):
762 self
.set_schema_from_ldb(schema
.ldb
, write_indices_and_attributes
=write_indices_and_attributes
)
764 def set_schema_from_ldb(self
, ldb_conn
, write_indices_and_attributes
=True):
765 dsdb
._dsdb
_set
_schema
_from
_ldb
(self
, ldb_conn
, write_indices_and_attributes
)
767 def set_schema_update_now(self
):
774 self
.modify_ldif(ldif
)
776 def dsdb_DsReplicaAttribute(self
, ldb
, ldap_display_name
, ldif_elements
):
777 '''convert a list of attribute values to a DRSUAPI DsReplicaAttribute'''
778 return dsdb
._dsdb
_DsReplicaAttribute
(ldb
, ldap_display_name
, ldif_elements
)
780 def dsdb_normalise_attributes(self
, ldb
, ldap_display_name
, ldif_elements
):
781 '''normalise a list of attribute values'''
782 return dsdb
._dsdb
_normalise
_attributes
(ldb
, ldap_display_name
, ldif_elements
)
784 def get_attribute_from_attid(self
, attid
):
785 """ Get from an attid the associated attribute
787 :param attid: The attribute id for searched attribute
788 :return: The name of the attribute associated with this id
790 if len(self
.hash_oid_name
.keys()) == 0:
791 self
._populate
_oid
_attid
()
792 if self
.get_oid_from_attid(attid
) in self
.hash_oid_name
:
793 return self
.hash_oid_name
[self
.get_oid_from_attid(attid
)]
797 def _populate_oid_attid(self
):
798 """Populate the hash hash_oid_name.
800 This hash contains the oid of the attribute as a key and
801 its display name as a value
803 self
.hash_oid_name
= {}
804 res
= self
.search(expression
="objectClass=attributeSchema",
805 controls
=["search_options:1:2"],
806 attrs
=["attributeID",
810 strDisplay
= str(e
.get("lDAPDisplayName"))
811 self
.hash_oid_name
[str(e
.get("attributeID"))] = strDisplay
813 def get_attribute_replmetadata_version(self
, dn
, att
):
814 """Get the version field trom the replPropertyMetaData for
817 :param dn: The on which we want to get the version
818 :param att: The name of the attribute
819 :return: The value of the version field in the replPropertyMetaData
820 for the given attribute. None if the attribute is not replicated
823 res
= self
.search(expression
="distinguishedName=%s" % dn
,
824 scope
=ldb
.SCOPE_SUBTREE
,
825 controls
=["search_options:1:2"],
826 attrs
=["replPropertyMetaData"])
830 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
,
831 res
[0]["replPropertyMetaData"][0])
833 if len(self
.hash_oid_name
.keys()) == 0:
834 self
._populate
_oid
_attid
()
836 # Search for Description
837 att_oid
= self
.get_oid_from_attid(o
.attid
)
838 if att_oid
in self
.hash_oid_name
and\
839 att
.lower() == self
.hash_oid_name
[att_oid
].lower():
843 def set_attribute_replmetadata_version(self
, dn
, att
, value
,
844 addifnotexist
=False):
845 res
= self
.search(expression
="distinguishedName=%s" % dn
,
846 scope
=ldb
.SCOPE_SUBTREE
,
847 controls
=["search_options:1:2"],
848 attrs
=["replPropertyMetaData"])
852 repl
= ndr_unpack(drsblobs
.replPropertyMetaDataBlob
,
853 res
[0]["replPropertyMetaData"][0])
855 now
= samba
.unix2nttime(int(time
.time()))
857 if len(self
.hash_oid_name
.keys()) == 0:
858 self
._populate
_oid
_attid
()
860 # Search for Description
861 att_oid
= self
.get_oid_from_attid(o
.attid
)
862 if att_oid
in self
.hash_oid_name
and\
863 att
.lower() == self
.hash_oid_name
[att_oid
].lower():
865 seq
= self
.sequence_number(ldb
.SEQ_NEXT
)
867 o
.originating_change_time
= now
868 o
.originating_invocation_id
= misc
.GUID(self
.get_invocation_id())
869 o
.originating_usn
= seq
872 if not found
and addifnotexist
and len(ctr
.array
) > 0:
873 o2
= drsblobs
.replPropertyMetaData1()
875 att_oid
= self
.get_oid_from_attid(o2
.attid
)
876 seq
= self
.sequence_number(ldb
.SEQ_NEXT
)
878 o2
.originating_change_time
= now
879 o2
.originating_invocation_id
= misc
.GUID(self
.get_invocation_id())
880 o2
.originating_usn
= seq
885 ctr
.count
= ctr
.count
+ 1
889 replBlob
= ndr_pack(repl
)
892 msg
["replPropertyMetaData"] = \
893 ldb
.MessageElement(replBlob
,
894 ldb
.FLAG_MOD_REPLACE
,
895 "replPropertyMetaData")
896 self
.modify(msg
, ["local_oid:1.3.6.1.4.1.7165.4.3.14:0"])
898 def write_prefixes_from_schema(self
):
899 dsdb
._dsdb
_write
_prefixes
_from
_schema
_to
_ldb
(self
)
901 def get_partitions_dn(self
):
902 return dsdb
._dsdb
_get
_partitions
_dn
(self
)
904 def get_nc_root(self
, dn
):
905 return dsdb
._dsdb
_get
_nc
_root
(self
, dn
)
907 def get_wellknown_dn(self
, nc_root
, wkguid
):
908 h_nc
= self
.hash_well_known
.get(str(nc_root
))
911 dn
= h_nc
.get(wkguid
)
913 dn
= dsdb
._dsdb
_get
_wellknown
_dn
(self
, nc_root
, wkguid
)
917 self
.hash_well_known
[str(nc_root
)] = {}
918 h_nc
= self
.hash_well_known
[str(nc_root
)]
922 def set_minPwdAge(self
, value
):
923 value
= str(value
).encode('utf8')
925 m
.dn
= ldb
.Dn(self
, self
.domain_dn())
926 m
["minPwdAge"] = ldb
.MessageElement(value
, ldb
.FLAG_MOD_REPLACE
, "minPwdAge")
929 def get_minPwdAge(self
):
930 res
= self
.search(self
.domain_dn(), scope
=ldb
.SCOPE_BASE
, attrs
=["minPwdAge"])
933 elif "minPwdAge" not in res
[0]:
936 return int(res
[0]["minPwdAge"][0])
938 def set_maxPwdAge(self
, value
):
939 value
= str(value
).encode('utf8')
941 m
.dn
= ldb
.Dn(self
, self
.domain_dn())
942 m
["maxPwdAge"] = ldb
.MessageElement(value
, ldb
.FLAG_MOD_REPLACE
, "maxPwdAge")
945 def get_maxPwdAge(self
):
946 res
= self
.search(self
.domain_dn(), scope
=ldb
.SCOPE_BASE
, attrs
=["maxPwdAge"])
949 elif "maxPwdAge" not in res
[0]:
952 return int(res
[0]["maxPwdAge"][0])
954 def set_minPwdLength(self
, value
):
955 value
= str(value
).encode('utf8')
957 m
.dn
= ldb
.Dn(self
, self
.domain_dn())
958 m
["minPwdLength"] = ldb
.MessageElement(value
, ldb
.FLAG_MOD_REPLACE
, "minPwdLength")
961 def get_minPwdLength(self
):
962 res
= self
.search(self
.domain_dn(), scope
=ldb
.SCOPE_BASE
, attrs
=["minPwdLength"])
965 elif "minPwdLength" not in res
[0]:
968 return int(res
[0]["minPwdLength"][0])
970 def set_pwdProperties(self
, value
):
971 value
= str(value
).encode('utf8')
973 m
.dn
= ldb
.Dn(self
, self
.domain_dn())
974 m
["pwdProperties"] = ldb
.MessageElement(value
, ldb
.FLAG_MOD_REPLACE
, "pwdProperties")
977 def get_pwdProperties(self
):
978 res
= self
.search(self
.domain_dn(), scope
=ldb
.SCOPE_BASE
, attrs
=["pwdProperties"])
981 elif "pwdProperties" not in res
[0]:
984 return int(res
[0]["pwdProperties"][0])
986 def set_dsheuristics(self
, dsheuristics
):
988 m
.dn
= ldb
.Dn(self
, "CN=Directory Service,CN=Windows NT,CN=Services,%s"
989 % self
.get_config_basedn().get_linearized())
990 if dsheuristics
is not None:
991 m
["dSHeuristics"] = \
992 ldb
.MessageElement(dsheuristics
,
993 ldb
.FLAG_MOD_REPLACE
,
996 m
["dSHeuristics"] = \
997 ldb
.MessageElement([], ldb
.FLAG_MOD_DELETE
,
1001 def get_dsheuristics(self
):
1002 res
= self
.search("CN=Directory Service,CN=Windows NT,CN=Services,%s"
1003 % self
.get_config_basedn().get_linearized(),
1004 scope
=ldb
.SCOPE_BASE
, attrs
=["dSHeuristics"])
1007 elif "dSHeuristics" in res
[0]:
1008 dsheuristics
= res
[0]["dSHeuristics"][0]
1014 def create_ou(self
, ou_dn
, description
=None, name
=None, sd
=None):
1015 """Creates an organizationalUnit object
1016 :param ou_dn: dn of the new object
1017 :param description: description attribute
1018 :param name: name atttribute
1019 :param sd: security descriptor of the object, can be
1020 an SDDL string or security.descriptor type
1023 "objectClass": "organizationalUnit"}
1026 m
["description"] = description
1031 m
["nTSecurityDescriptor"] = ndr_pack(sd
)
1034 def sequence_number(self
, seq_type
):
1035 """Returns the value of the sequence number according to the requested type
1036 :param seq_type: type of sequence number
1038 self
.transaction_start()
1040 seq
= super(SamDB
, self
).sequence_number(seq_type
)
1042 self
.transaction_cancel()
1045 self
.transaction_commit()
1048 def get_dsServiceName(self
):
1049 '''get the NTDS DN from the rootDSE'''
1050 res
= self
.search(base
="", scope
=ldb
.SCOPE_BASE
, attrs
=["dsServiceName"])
1051 return str(res
[0]["dsServiceName"][0])
1053 def get_serverName(self
):
1054 '''get the server DN from the rootDSE'''
1055 res
= self
.search(base
="", scope
=ldb
.SCOPE_BASE
, attrs
=["serverName"])
1056 return str(res
[0]["serverName"][0])
1058 def dns_lookup(self
, dns_name
, dns_partition
=None):
1059 '''Do a DNS lookup in the database, returns the NDR database structures'''
1060 if dns_partition
is None:
1061 return dsdb_dns
.lookup(self
, dns_name
)
1063 return dsdb_dns
.lookup(self
, dns_name
,
1064 dns_partition
=dns_partition
)
1066 def dns_extract(self
, el
):
1067 '''Return the NDR database structures from a dnsRecord element'''
1068 return dsdb_dns
.extract(self
, el
)
1070 def dns_replace(self
, dns_name
, new_records
):
1071 '''Do a DNS modification on the database, sets the NDR database
1072 structures on a DNS name
1074 return dsdb_dns
.replace(self
, dns_name
, new_records
)
1076 def dns_replace_by_dn(self
, dn
, new_records
):
1077 '''Do a DNS modification on the database, sets the NDR database
1078 structures on a LDB DN
1080 This routine is important because if the last record on the DN
1081 is removed, this routine will put a tombstone in the record.
1083 return dsdb_dns
.replace_by_dn(self
, dn
, new_records
)
1085 def garbage_collect_tombstones(self
, dn
, current_time
,
1086 tombstone_lifetime
=None):
1087 '''garbage_collect_tombstones(lp, samdb, [dn], current_time, tombstone_lifetime)
1088 -> (num_objects_expunged, num_links_expunged)'''
1090 if tombstone_lifetime
is None:
1091 return dsdb
._dsdb
_garbage
_collect
_tombstones
(self
, dn
,
1094 return dsdb
._dsdb
_garbage
_collect
_tombstones
(self
, dn
,
1098 def create_own_rid_set(self
):
1099 '''create a RID set for this DSA'''
1100 return dsdb
._dsdb
_create
_own
_rid
_set
(self
)
1102 def allocate_rid(self
):
1103 '''return a new RID from the RID Pool on this DSA'''
1104 return dsdb
._dsdb
_allocate
_rid
(self
)
1106 def normalize_dn_in_domain(self
, dn
):
1107 '''return a new DN expanded by adding the domain DN
1109 If the dn is already a child of the domain DN, just
1112 :param dn: relative dn
1114 domain_dn
= ldb
.Dn(self
, self
.domain_dn())
1116 if isinstance(dn
, ldb
.Dn
):
1119 full_dn
= ldb
.Dn(self
, dn
)
1120 if not full_dn
.is_child_of(domain_dn
):
1121 full_dn
.add_base(domain_dn
)