#!/usr/bin/env python
# vim: expandtab
#
-# Copyright (C) Matthieu Patou <mat@matws.net> 2009
+# Copyright (C) Matthieu Patou <mat@matws.net> 2009 - 2010
#
# Based on provision a Samba4 server by
# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007-2008
import sys
import tempfile
import re
+import traceback
# Allow to run from s4 source directory (without installing samba)
sys.path.insert(0, "bin/python")
+import ldb
import samba
import samba.getopt as options
from samba.credentials import DONT_USE_KERBEROS
from samba.auth import system_session, admin_session
-from samba import Ldb, version
-from ldb import SCOPE_ONELEVEL, SCOPE_SUBTREE, SCOPE_BASE,\
- FLAG_MOD_REPLACE, FLAG_MOD_ADD, FLAG_MOD_DELETE,\
- MessageElement, Message, Dn
+from ldb import (SCOPE_SUBTREE, SCOPE_BASE,
+ FLAG_MOD_REPLACE, FLAG_MOD_ADD, FLAG_MOD_DELETE,
+ MessageElement, Message, Dn)
from samba import param
-from samba.misc import messageEltFlagToString
from samba.provision import (find_setup_dir, get_domain_descriptor,
- get_config_descriptor, secretsdb_self_join, set_gpo_acl,
- getpolicypath, create_gpo_struct, ProvisioningError)
+ get_config_descriptor,
+ ProvisioningError, get_last_provision_usn,
+ get_max_usn, update_provision_usn)
from samba.schema import get_linked_attributes, Schema, get_schema_descriptor
-from samba.dcerpc import security
+from samba.dcerpc import security, drsblobs, xattr
from samba.ndr import ndr_unpack
-from samba.dcerpc.misc import SEC_CHAN_BDC
-from samba.upgradehelpers import dn_sort, get_paths, newprovision,\
- find_provision_key_parameters, get_ldbs
+from samba.upgradehelpers import (dn_sort, get_paths, newprovision,
+ find_provision_key_parameters, get_ldbs,
+ usn_in_range, identic_rename, get_diff_sddls,
+ update_secrets, CHANGE, ERROR, SIMPLE,
+ CHANGEALL, GUESS, CHANGESD, PROVISION,
+ updateOEMInfo, getOEMInfo, update_gpo,
+ delta_update_basesamdb, update_policyids,
+ update_machine_account_password)
replace=2**FLAG_MOD_REPLACE
add=2**FLAG_MOD_ADD
delete=2**FLAG_MOD_DELETE
never=0
-LAST_PROVISION_USN_ATTRIBUTE = "lastProvisionUSN"
+
+# Will be modified during provision to tell if default sd has been modified
+# somehow ...
#Errors are always logged
-ERROR = -1
-SIMPLE = 0x00
-CHANGE = 0x01
-CHANGESD = 0x02
-GUESS = 0x04
-PROVISION = 0x08
-CHANGEALL = 0xff
__docformat__ = "restructuredText"
# This is most probably because they are populated automatcally when object is
# created
# This also apply to imported object from reference provision
-hashAttrNotCopied = { "dn": 1, "whenCreated": 1, "whenChanged": 1, "objectGUID": 1, "replPropertyMetaData": 1, "uSNChanged": 1,
- "uSNCreated": 1, "parentGUID": 1, "objectCategory": 1, "distinguishedName": 1,
- "showInAdvancedViewOnly": 1, "instanceType": 1, "cn": 1, "msDS-Behavior-Version":1, "nextRid":1,
- "nTMixedDomain": 1, "versionNumber":1, "lmPwdHistory":1, "pwdLastSet": 1, "ntPwdHistory":1, "unicodePwd":1,
- "dBCSPwd":1, "supplementalCredentials":1, "gPCUserExtensionNames":1, "gPCMachineExtensionNames":1,
- "maxPwdAge":1, "secret":1, "possibleInferiors":1, "privilege":1, "sAMAccountType":1 }
+hashAttrNotCopied = { "dn": 1, "whenCreated": 1, "whenChanged": 1,
+ "objectGUID": 1, "uSNCreated": 1,
+ "replPropertyMetaData": 1, "uSNChanged": 1,
+ "parentGUID": 1, "objectCategory": 1,
+ "distinguishedName": 1, "nTMixedDomain": 1,
+ "showInAdvancedViewOnly": 1, "instanceType": 1,
+ "msDS-Behavior-Version":1, "nextRid":1, "cn": 1,
+ "versionNumber":1, "lmPwdHistory":1, "pwdLastSet": 1,
+ "ntPwdHistory":1, "unicodePwd":1,"dBCSPwd":1,
+ "supplementalCredentials":1, "gPCUserExtensionNames":1,
+ "gPCMachineExtensionNames":1,"maxPwdAge":1, "secret":1,
+ "possibleInferiors":1, "privilege":1,
+ "sAMAccountType":1 }
# Usually for an object that already exists we do not overwrite attributes as
# they might have been changed for good reasons. Anyway for a few of them it's
# mandatory to replace them otherwise the provision will be broken somehow.
-hashOverwrittenAtt = { "prefixMap": replace, "systemMayContain": replace, "systemOnly":replace, "searchFlags":replace,
- "mayContain":replace, "systemFlags":replace, "description":replace,
- "operatingSystemVersion":replace, "adminPropertyPages":replace,
- "defaultSecurityDescriptor": replace, "wellKnownObjects":replace, "privilege":never, "groupType":replace,
- "rIDAvailablePool": never, "defaultSecurityDescriptor": replace + add}
+# But for attribute that are just missing we do not have to specify them as the default
+# behavior is to add missing attribute
+hashOverwrittenAtt = { "prefixMap": replace, "systemMayContain": replace,
+ "systemOnly":replace, "searchFlags":replace,
+ "mayContain":replace, "systemFlags":replace+add,
+ "description":replace, "operatingSystemVersion":replace,
+ "adminPropertyPages":replace, "groupType":replace,
+ "wellKnownObjects":replace, "privilege":never,
+ "defaultSecurityDescriptor": replace,
+ "rIDAvailablePool": never,
+ "defaultSecurityDescriptor": replace + add }
backlinked = []
+forwardlinked = set()
dn_syntax_att = []
def define_what_to_log(opts):
what = 0
credopts = options.CredentialsOptions(parser)
parser.add_option_group(credopts)
parser.add_option("--setupdir", type="string", metavar="DIR",
- help="directory with setup files")
+ help="directory with setup files")
parser.add_option("--debugprovision", help="Debug provision", action="store_true")
-parser.add_option("--debugguess", help="Print information on what is different but won't be changed", action="store_true")
-parser.add_option("--debugchange", help="Print information on what is different but won't be changed", action="store_true")
-parser.add_option("--debugchangesd", help="Print information security descriptors differences", action="store_true")
-parser.add_option("--debugall", help="Print all available information (very verbose)", action="store_true")
-parser.add_option("--full", help="Perform full upgrade of the samdb (schema, configuration, new objects, ...", action="store_true")
+parser.add_option("--debugguess", action="store_true",
+ help="Print information on what is different but won't be changed")
+parser.add_option("--debugchange", action="store_true",
+ help="Print information on what is different but won't be changed")
+parser.add_option("--debugchangesd", action="store_true",
+ help="Print information security descriptors differences")
+parser.add_option("--debugall", action="store_true",
+ help="Print all available information (very verbose)")
+parser.add_option("--resetfileacl", action="store_true",
+ help="Force a reset on filesystem acls in sysvol / netlogon share")
+parser.add_option("--full", action="store_true",
+ help="Perform full upgrade of the samdb (schema, configuration, new objects, ...")
opts = parser.parse_args()[0]
handler = logging.StreamHandler(sys.stdout)
upgrade_logger = logging.getLogger("upgradeprovision")
+upgrade_logger.setLevel(logging.INFO)
+
upgrade_logger.addHandler(handler)
provision_logger = logging.getLogger("provision")
setup_dir = find_setup_dir()
-def identic_rename(ldbobj,dn):
- """Perform a back and forth rename to trigger renaming on attribute that can't be directly modified.
-
- :param lbdobj: An Ldb Object
- :param dn: DN of the object to manipulate """
-
- (before, sep, after)=str(dn).partition('=')
- ldbobj.rename(dn, Dn(ldbobj, "%s=foo%s" % (before, after)))
- ldbobj.rename(Dn(ldbobj, "%s=foo%s" % (before, after)), dn)
def check_for_DNS(refprivate, private):
"""Check if the provision has already the requirement for dynamic dns
" dns update" % destdir)
-# dnsupdate:path
-
-
-def populate_backlink(samdb, schemadn):
+def populate_links(samdb, schemadn):
"""Populate an array with all the back linked attributes
This attributes that are modified automaticaly when
:param samdb: A LDB object for sam.ldb file
:param schemadn: DN of the schema for the partition"""
- linkedAttHash = get_linked_attributes(Dn(samdb,str(schemadn)), samdb)
+ linkedAttHash = get_linked_attributes(Dn(samdb, str(schemadn)), samdb)
backlinked.extend(linkedAttHash.values())
+ for t in linkedAttHash.keys():
+ forwardlinked.add(t)
+
def populate_dnsyntax(samdb, schemadn):
"""Populate an array with all the attributes that have DN synthax
message(GUESS, "domainlevel :" + str(names.domainlevel))
-def handle_special_case(att, delta, new, old):
+def handle_special_case(att, delta, new, old, usn):
"""Define more complicate update rules for some attributes
:param att: The attribute to be updated
- :param delta: A messageElement object that correspond to the difference between the updated object and the reference one
+ :param delta: A messageElement object that correspond to the difference
+ between the updated object and the reference one
:param new: The reference object
:param old: The Updated object
- :return: Tru to indicate that the attribute should be kept, False for discarding it
- """
+ :param usn: The highest usn modified by a previous (upgrade)provision
+ :return: True to indicate that the attribute should be kept, False for
+ discarding it"""
+
flag = delta.get(att).flags()
- if (att == "gPLink" or att == "gPCFileSysPath") and \
- flag == FLAG_MOD_REPLACE and str(new[0].dn).lower() == str(old[0].dn).lower():
- delta.remove(att)
- return True
- if att == "forceLogoff":
- ref=0x8000000000000000
- oldval=int(old[0][att][0])
- newval=int(new[0][att][0])
- ref == old and ref == abs(new)
- return True
- if (att == "adminDisplayName" or att == "adminDescription"):
- return True
+ # We do most of the special case handle if we do not have the
+ # highest usn as otherwise the replPropertyMetaData will guide us more
+ # correctly
+ if usn is None:
+ if (att == "member" and flag == FLAG_MOD_REPLACE):
+ hash = {}
+ newval = []
+ changeDelta=0
+ for elem in old[0][att]:
+ hash[str(elem).lower()]=1
+ newval.append(str(elem))
- if (str(old[0].dn) == "CN=Samba4-Local-Domain,%s" % (str(names.schemadn))\
- and att == "defaultObjectCategory" and flag == FLAG_MOD_REPLACE):
- return True
+ for elem in new[0][att]:
+ if not hash.has_key(str(elem).lower()):
+ changeDelta=1
+ newval.append(str(elem))
+ if changeDelta == 1:
+ delta[att] = MessageElement(newval, FLAG_MOD_REPLACE, att)
+ else:
+ delta.remove(att)
+ return True
- if (str(old[0].dn) == "CN=Title,%s"%(str(names.schemadn)) and att == "rangeUpper" and flag == FLAG_MOD_REPLACE):
- return True
+ if (att in ("gPLink", "gPCFileSysPath") and
+ flag == FLAG_MOD_REPLACE and
+ str(new[0].dn).lower() == str(old[0].dn).lower()):
+ delta.remove(att)
+ return True
+
+ if att == "forceLogoff":
+ ref=0x8000000000000000
+ oldval=int(old[0][att][0])
+ newval=int(new[0][att][0])
+ ref == old and ref == abs(new)
+ return True
+
+ if att in ("adminDisplayName", "adminDescription"):
+ return True
+
+ if (str(old[0].dn) == "CN=Samba4-Local-Domain, %s" % (names.schemadn)
+ and att == "defaultObjectCategory" and flag == FLAG_MOD_REPLACE):
+ return True
+
+ if (str(old[0].dn) == "CN=Title, %s" % (str(names.schemadn)) and
+ att == "rangeUpper" and flag == FLAG_MOD_REPLACE):
+ return True
- if ((att == "member" or att == "servicePrincipalName") and flag == FLAG_MOD_REPLACE):
+ if (str(old[0].dn) == "%s" % (str(names.rootdn))
+ and att == "subRefs" and flag == FLAG_MOD_REPLACE):
+ return True
+
+ if str(delta.dn).endswith("CN=DisplaySpecifiers, %s" % names.configdn):
+ return True
+
+ # This is a bit of special animal as we might have added
+ # already SPN entries to the list that has to be modified
+ # So we go in detail to try to find out what has to be added ...
+ if (att == "servicePrincipalName" and flag == FLAG_MOD_REPLACE):
hash = {}
newval = []
changeDelta=0
delta.remove(att)
return True
- if (str(old[0].dn) == "%s"%(str(names.rootdn)) and att == "subRefs" and flag == FLAG_MOD_REPLACE):
- return True
- if str(delta.dn).endswith("CN=DisplaySpecifiers,%s"%names.configdn):
- return True
return False
-def update_secrets(newsecrets_ldb, secrets_ldb):
- """Update secrets.ldb
-
- :param newsecrets_ldb: An LDB object that is connected to the secrets.ldb
- of the reference provision
- :param secrets_ldb: An LDB object that is connected to the secrets.ldb
- of the updated provision"""
-
- message(SIMPLE, "update secrets.ldb")
- reference = newsecrets_ldb.search(expression="dn=@MODULES", base="",
- scope=SCOPE_SUBTREE)
- current = secrets_ldb.search(expression="dn=@MODULES", base="",
- scope=SCOPE_SUBTREE)
- delta = secrets_ldb.msg_diff(current[0], reference[0])
- delta.dn = current[0].dn
- secrets_ldb.modify(delta)
-
- reference = newsecrets_ldb.search(expression="objectClass=top", base="",
- scope=SCOPE_SUBTREE, attrs=["dn"])
- current = secrets_ldb.search(expression="objectClass=top", base="",
- scope=SCOPE_SUBTREE, attrs=["dn"])
- hash_new = {}
- hash = {}
- listMissing = []
- listPresent = []
-
- empty = Message()
- for i in range(0, len(reference)):
- hash_new[str(reference[i]["dn"]).lower()] = reference[i]["dn"]
-
- # Create a hash for speeding the search of existing object in the
- # current provision
- for i in range(0, len(current)):
- hash[str(current[i]["dn"]).lower()] = current[i]["dn"]
-
- for k in hash_new.keys():
- if not hash.has_key(k):
- listMissing.append(hash_new[k])
- else:
- listPresent.append(hash_new[k])
-
- for entry in listMissing:
- reference = newsecrets_ldb.search(expression="dn=%s"%entry,base="", scope=SCOPE_SUBTREE)
- current = secrets_ldb.search(expression="dn=%s"%entry,base="", scope=SCOPE_SUBTREE)
- delta = secrets_ldb.msg_diff(empty,reference[0])
- for att in hashAttrNotCopied.keys():
- delta.remove(att)
- message(CHANGE, "Entry %s is missing from secrets.ldb"%reference[0].dn)
- for att in delta:
- message(CHANGE, " Adding attribute %s"%att)
- delta.dn = reference[0].dn
- secrets_ldb.add(delta)
-
- for entry in listPresent:
- reference = newsecrets_ldb.search(expression="dn=%s"%entry,base="", scope=SCOPE_SUBTREE)
- current = secrets_ldb.search(expression="dn=%s"%entry,base="", scope=SCOPE_SUBTREE)
- delta = secrets_ldb.msg_diff(current[0],reference[0])
- for att in hashAttrNotCopied.keys():
- delta.remove(att)
- for att in delta:
- if att == "name":
- message(CHANGE, "Found attribute name on %s, must rename the DN "%(current[0].dn))
- identic_rename(secrets_ldb,reference[0].dn)
- else:
- delta.remove(att)
-
- for entry in listPresent:
- reference = newsecrets_ldb.search(expression="dn=%s"%entry,base="", scope=SCOPE_SUBTREE)
- current = secrets_ldb.search(expression="dn=%s"%entry,base="", scope=SCOPE_SUBTREE)
- delta = secrets_ldb.msg_diff(current[0],reference[0])
- for att in hashAttrNotCopied.keys():
- delta.remove(att)
- for att in delta:
- if att != "dn":
- message(CHANGE, " Adding/Changing attribute %s to %s"%(att,current[0].dn))
-
- delta.dn = current[0].dn
- secrets_ldb.modify(delta)
-
-
def dump_denied_change(dn, att, flagtxt, current, reference):
"""Print detailed information about why a changed is denied
for e in range(0, len(current)):
message(CHANGE, "old %d : %s" % (i, str(current[e])))
i+=1
- if reference != None:
+ if reference is not None:
i = 0
for e in range(0, len(reference)):
message(CHANGE, "new %d : %s" % (i, str(reference[e])))
i+=1
else:
- message(CHANGE, "old : %s" % str(ndr_unpack( security.dom_sid, current[0])))
- message(CHANGE, "new : %s" % str(ndr_unpack( security.dom_sid, reference[0])))
+ message(CHANGE, "old : %s" % ndr_unpack(security.dom_sid, current[0]))
+ message(CHANGE, "new : %s" % ndr_unpack(security.dom_sid, reference[0]))
def handle_special_add(samdb, dn, names):
"""Handle special operation (like remove) on some object needed during
- upgrade
+ upgrade
This is mostly due to wrong creation of the object in previous provision.
:param samdb: An Ldb object representing the SAM database
:param dn: DN of the object to inspect
- :param names: list of key provision parameters"""
+ :param names: list of key provision parameters
+ """
dntoremove = None
- if str(dn).lower() == ("CN=IIS_IUSRS, CN=Builtin, %s" % names.rootdn).lower():
+ objDn = Dn(samdb, "CN=IIS_IUSRS, CN=Builtin, %s" % names.rootdn)
+ if dn == objDn :
#This entry was misplaced lets remove it if it exists
dntoremove = "CN=IIS_IUSRS, CN=Users, %s" % names.rootdn
- objname = "CN=Certificate Service DCOM Access, CN=Builtin, %s" % names.rootdn
- if str(dn).lower() == objname.lower():
+ objDn = Dn(samdb,
+ "CN=Certificate Service DCOM Access, CN=Builtin, %s" % names.rootdn)
+ if dn == objDn:
#This entry was misplaced lets remove it if it exists
dntoremove = "CN=Certificate Service DCOM Access,"\
"CN=Users, %s" % names.rootdn
+ print dntoremove
- objname = "CN=Cryptographic Operators, CN=Builtin, %s" % names.rootdn
- if str(dn).lower() == objname.lower():
+ objDn = Dn(samdb, "CN=Cryptographic Operators, CN=Builtin, %s" % names.rootdn)
+ if dn == objDn:
#This entry was misplaced lets remove it if it exists
dntoremove = "CN=Cryptographic Operators, CN=Users, %s" % names.rootdn
- objname = "CN=Event Log Readers, CN=Builtin, %s" % names.rootdn
- if str(dn).lower() == objname.lower():
+ objDn = Dn(samdb, "CN=Event Log Readers, CN=Builtin, %s" % names.rootdn)
+ if dn == objDn:
#This entry was misplaced lets remove it if it exists
dntoremove = "CN=Event Log Readers, CN=Users, %s" % names.rootdn
- if dntoremove != None:
+ objDn = Dn(samdb,"CN=System,CN=WellKnown Security Principals,"
+ "CN=Configuration,%s" % names.rootdn)
+ if dn == objDn:
+ oldDn = Dn(samdb,"CN=Well-Known-Security-Id-System,"
+ "CN=WellKnown Security Principals,"
+ "CN=Configuration,%s" % names.rootdn)
+
+ res = samdb.search(expression="(dn=%s)" % oldDn,
+ base=str(names.rootdn),
+ scope=SCOPE_SUBTREE, attrs=["dn"],
+ controls=["search_options:1:2"])
+ if len(res) > 0:
+ message(CHANGE, "Existing object %s must be replaced by %s,"
+ "Renaming old object" % (str(oldDn), str(dn)))
+ samdb.rename(oldDn, objDn)
+
+ return 1
+
+ if dntoremove is not None:
res = samdb.search(expression="(dn=%s)" % dntoremove,
base=str(names.rootdn),
scope=SCOPE_SUBTREE, attrs=["dn"],
controls=["search_options:1:2"])
if len(res) > 0:
- message(CHANGE, "Existing object %s must be replaced by %s,"\
+ message(CHANGE, "Existing object %s must be replaced by %s,"
"removing old object" % (dntoremove, str(dn)))
samdb.delete(res[0]["dn"])
+ return 0
def check_dn_nottobecreated(hash, index, listdn):
First dn to be created has the creation order 0, second has 1, ...
Index contain the current creation order
- :param hash: Hash holding the different DN of the object to be created as key
+ :param hash: Hash holding the different DN of the object to be
+ created as key
:param index: Current creation order
:param listdn: List of DNs on which the current DN depends on
:return: None if the current object do not depend on other
object or if all object have been created before."""
- if listdn == None:
+ if listdn is None:
return None
for dn in listdn:
key = str(dn).lower()
:param index: Current creation order
:return: True if the object was created False otherwise"""
- handle_special_add(samdb, dn, names)
+ if handle_special_add(samdb, dn, names):
+ return
reference = ref_samdb.search(expression="dn=%s" % (str(dn)), base=basedn,
scope=SCOPE_SUBTREE, controls=["search_options:1:2"])
empty = Message()
delta = samdb.msg_diff(empty, reference[0])
delta.dn
- for att in hashAttrNotCopied.keys():
- delta.remove(att)
- for att in backlinked:
- delta.remove(att)
- depend_on_yettobecreated = None
- for att in dn_syntax_att:
- depend_on_yet_tobecreated = check_dn_nottobecreated(hash, index,
- delta.get(str(att)))
- if depend_on_yet_tobecreated != None:
- message(CHANGE, "Object %s depends on %s in attribute %s," \
- "delaying the creation" % (str(dn), \
- depend_on_yet_tobecreated, str(att)))
- return False
-
- delta.dn = dn
- message(CHANGE,"Object %s will be added" % dn)
- samdb.add(delta, ["relax:0"])
- return True
+ skip = False
+ try:
+ if str(reference[0].get("cn")) == "RID Set":
+ skip = True
+ finally:
+ if delta.get("objectSid"):
+ sid = str(ndr_unpack(security.dom_sid, str(reference[0]["objectSid"])))
+ m = re.match(r".*-(\d+)$", sid)
+ if m and int(m.group(1))>999:
+ delta.remove("objectSid")
+ for att in hashAttrNotCopied.keys():
+ delta.remove(att)
+ for att in backlinked:
+ delta.remove(att)
+ depend_on_yettobecreated = None
+ for att in dn_syntax_att:
+ depend_on_yet_tobecreated = check_dn_nottobecreated(hash, index,
+ delta.get(str(att)))
+ if depend_on_yet_tobecreated is not None:
+ message(CHANGE, "Object %s depends on %s in attribute %s,"
+ "delaying the creation" % (dn,
+ depend_on_yet_tobecreated, att))
+ return False
+
+ delta.dn = dn
+ if not skip:
+ message(CHANGE,"Object %s will be added" % dn)
+ samdb.add(delta, ["relax:0"])
+ else:
+ message(CHANGE,"Object %s was skipped" % dn)
+
+ return True
def gen_dn_index_hash(listMissing):
"""Generate a hash associating the DN to its creation order
attrs=["dn", "wellKnownObjects"])
targetWKO = "%s:%s" % (wkoPrefix, str(reference[0]["dn"]))
- found = 0
+ found = False
if len(res[0]) > 0:
wko = res[0]["wellKnownObjects"]
# The wellKnownObject that we want to add.
for o in wko:
if str(o) == targetWKO:
- found = 1
+ found = True
listwko.append(str(o))
if not found:
raise ProvisioningError("Unable to insert missing elements:" \
"circular references")
+def handle_links(samdb, att, basedn, dn, value, ref_value, delta):
+ """This function handle updates on links
+
+ :param samdb: An LDB object pointing to the updated provision
+ :param att: Attribute to update
+ :param basedn: The root DN of the provision
+ :param dn: The DN of the inspected object
+ :param value: The value of the attribute
+ :param ref_value: The value of this attribute in the reference provision
+ :param delta: The MessageElement object that will be applied for
+ transforming the current provision"""
+
+ res = samdb.search(expression="dn=%s" % dn, base=basedn,
+ controls=["search_options:1:2", "reveal:1"],
+ attrs=[att])
+
+ blacklist = {}
+ hash = {}
+ newlinklist = []
+ changed = False
+
+ newlinklist.extend(value)
+
+ for e in value:
+ hash[e] = 1
+ # for w2k domain level the reveal won't reveal anything ...
+ # it means that we can readd links that were removed on purpose ...
+ # Also this function in fact just accept add not removal
+
+ for e in res[0][att]:
+ if not hash.has_key(e):
+ # We put in the blacklist all the element that are in the "revealed"
+ # result and not in the "standard" result
+ # This element are links that were removed before and so that
+ # we don't wan't to readd
+ blacklist[e] = 1
+
+ for e in ref_value:
+ if not blacklist.has_key(e) and not hash.has_key(e):
+ newlinklist.append(str(e))
+ changed = True
+ if changed:
+ delta[att] = MessageElement(newlinklist, FLAG_MOD_REPLACE, att)
+ else:
+ delta.remove(att)
+
+
+msg_elt_flag_strs = {
+ ldb.FLAG_MOD_ADD: "MOD_ADD",
+ ldb.FLAG_MOD_REPLACE: "MOD_REPLACE",
+ ldb.FLAG_MOD_DELETE: "MOD_DELETE" }
+
+
+def update_present(ref_samdb, samdb, basedn, listPresent, usns, invocationid):
+ """ This function updates the object that are already present in the
+ provision
+
+ :param ref_samdb: An LDB object pointing to the reference provision
+ :param samdb: An LDB object pointing to the updated provision
+ :param basedn: A string with the value of the base DN for the provision
+ (ie. DC=foo, DC=bar)
+ :param listPresent: A list of object that is present in the provision
+ :param usns: A list of USN range modified by previous provision and
+ upgradeprovision
+ :param invocationid: The value of the invocationid for the current DC"""
+
+ global defSDmodified
+ # This hash is meant to speedup lookup of attribute name from an oid,
+ # it's for the replPropertyMetaData handling
+ hash_oid_name = {}
+ res = samdb.search(expression="objectClass=attributeSchema", base=basedn,
+ controls=["search_options:1:2"], attrs=["attributeID",
+ "lDAPDisplayName"])
+ if len(res) > 0:
+ for e in res:
+ strDisplay = str(e.get("lDAPDisplayName"))
+ hash_oid_name[str(e.get("attributeID"))] = strDisplay
+ else:
+ msg = "Unable to insert missing elements: circular references"
+ raise ProvisioningError(msg)
+
+ changed = 0
+ controls = ["search_options:1:2", "sd_flags:1:2"]
+ for dn in listPresent:
+ reference = ref_samdb.search(expression="dn=%s" % (str(dn)), base=basedn,
+ scope=SCOPE_SUBTREE,
+ controls=controls)
+ current = samdb.search(expression="dn=%s" % (str(dn)), base=basedn,
+ scope=SCOPE_SUBTREE, controls=controls)
+
+ if (
+ (str(current[0].dn) != str(reference[0].dn)) and
+ (str(current[0].dn).upper() == str(reference[0].dn).upper())
+ ):
+ message(CHANGE, "Name are the same but case change,"\
+ "let's rename %s to %s" % (str(current[0].dn),
+ str(reference[0].dn)))
+ identic_rename(samdb, reference[0].dn)
+ current = samdb.search(expression="dn=%s" % (str(dn)), base=basedn,
+ scope=SCOPE_SUBTREE,
+ controls=["search_options:1:2"])
+
+ delta = samdb.msg_diff(current[0], reference[0])
+
+ for att in hashAttrNotCopied.keys():
+ delta.remove(att)
+
+ for att in backlinked:
+ delta.remove(att)
+
+ delta.remove("name")
+
+ if len(delta.items()) > 1 and usns is not None:
+ # Fetch the replPropertyMetaData
+ res = samdb.search(expression="dn=%s" % (str(dn)), base=basedn,
+ scope=SCOPE_SUBTREE, controls=controls,
+ attrs=["replPropertyMetaData"])
+ ctr = ndr_unpack(drsblobs.replPropertyMetaDataBlob,
+ str(res[0]["replPropertyMetaData"])).ctr
+
+ hash_attr_usn = {}
+ for o in ctr.array:
+ # We put in this hash only modification
+ # made on the current host
+ att = hash_oid_name[samdb.get_oid_from_attid(o.attid)]
+ if str(o.originating_invocation_id) == str(invocationid):
+ # Note we could just use 1 here
+ hash_attr_usn[att] = o.originating_usn
+ else:
+ hash_attr_usn[att] = -1
+
+ isFirst = 0
+ txt = ""
+
+ for att in delta:
+ if usns is not None:
+ # We have updated by provision usn information so let's exploit
+ # replMetadataProperties
+ if att in forwardlinked:
+ handle_links(samdb, att, basedn, current[0]["dn"],
+ current[0][att], reference[0][att], delta)
+
+ if isFirst == 0 and len(delta.items())>1:
+ isFirst = 1
+ txt = "%s\n" % (str(dn))
+ if att == "dn":
+ # There is always a dn attribute after a msg_diff
+ continue
+ if att == "rIDAvailablePool":
+ delta.remove(att)
+ continue
+ if att == "objectSid":
+ delta.remove(att)
+ continue
+ if att == "creationTime":
+ delta.remove(att)
+ continue
+ if att == "oEMInformation":
+ delta.remove(att)
+ continue
+ if att == "msDs-KeyVersionNumber":
+ # This is the kvno of the computer/user it's a very bad
+ # idea to change it
+ delta.remove(att)
+ continue
+ if handle_special_case(att, delta, reference, current, usns):
+ # This attribute is "complicated" to handle and handling
+ # was done in handle_special_case
+ continue
+ attrUSN = hash_attr_usn.get(att)
+ if att == "forceLogoff" and attrUSN is None:
+ continue
+ if attrUSN is None:
+ delta.remove(att)
+ continue
-def update_partition(ref_samdb, samdb, basedn, names, use_ref_schema, highestUSN):
+ if attrUSN == -1:
+ # This attribute was last modified by another DC forget
+ # about it
+ message(CHANGE, "%sAttribute: %s has been"
+ "created/modified/deleted by another DC,"
+ " do nothing" % (txt, att ))
+ txt = ""
+ delta.remove(att)
+ continue
+ elif not usn_in_range(int(attrUSN), usns):
+ message(CHANGE, "%sAttribute: %s has been"
+ "created/modified/deleted not during a"
+ " provision or upgradeprovision: current"
+ " usn %d , do nothing" % (txt, att, attrUSN))
+ txt = ""
+ delta.remove(att)
+ continue
+ else:
+ if att == "defaultSecurityDescriptor":
+ defSDmodified = True
+ if attrUSN:
+ message(CHANGE, "%sAttribute: %s will be modified"
+ "/deleted it was last modified"
+ "during a provision, current usn:"
+ "%d" % (txt, att, attrUSN))
+ txt = ""
+ else:
+ message(CHANGE, "%sAttribute: %s will be added because"
+ " it hasn't existed before " % (txt, att))
+ txt = ""
+ continue
+
+ else:
+ # Old school way of handling things for pre alpha12 upgrade
+ defSDmodified = True
+ msgElt = delta.get(att)
+
+ if att == "nTSecurityDescriptor":
+ delta.remove(att)
+ continue
+
+ if att == "dn":
+ continue
+
+ if not hashOverwrittenAtt.has_key(att):
+ if msgElt.flags() != FLAG_MOD_ADD:
+ if not handle_special_case(att, delta, reference, current,
+ usns):
+ if opts.debugchange or opts.debugall:
+ try:
+ dump_denied_change(dn, att,
+ msg_elt_flag_strs[msgElt.flags()],
+ current[0][att], reference[0][att])
+ except KeyError:
+ dump_denied_change(dn, att,
+ msg_elt_flag_strs[msgElt.flags()],
+ current[0][att], None)
+ delta.remove(att)
+ continue
+ else:
+ if hashOverwrittenAtt.get(att)&2**msgElt.flags() :
+ continue
+ elif hashOverwrittenAtt.get(att)==never:
+ delta.remove(att)
+ continue
+
+ delta.dn = dn
+ if len(delta.items()) >1:
+ attributes=", ".join(delta.keys())
+ message(CHANGE, "%s is different from the reference one, changed"
+ " attributes: %s\n" % (dn, attributes))
+ changed += 1
+ samdb.modify(delta)
+ return changed
+
+
+def update_partition(ref_samdb, samdb, basedn, names, schema, provisionUSNs):
"""Check differences between the reference provision and the upgraded one.
- It looks for all objects which base DN is name. If ischema is "false" then
- the scan is done in cross partition mode.
- If "use_ref_schema" is true, then special handling is done for dealing with schema
+ It looks for all objects which base DN is name.
+
+ This function will also add the missing object and update existing object
+ to add or remove attributes that were missing.
- This function will also add the missing object and update existing object to add
- or remove attributes that were missing.
- :param ref_sambdb: An LDB object conntected to the sam.ldb of the reference provision
- :param samdb: An LDB object connected to the sam.ldb of the update provision
+ :param ref_sambdb: An LDB object conntected to the sam.ldb of the
+ reference provision
+ :param samdb: An LDB object connected to the sam.ldb of the update
+ provision
:param basedn: String value of the DN of the partition
:param names: List of key provision parameters
- :param use_ref_schema: A flag to indicate if we should use the shema of the reference provision
- :param highestUSN: The highest USN modified by provision/upgradeprovision last time"""
+ :param schema: A Schema object
+ :param provisionUSNs: The USNs modified by provision/upgradeprovision
+ last time"""
hash_new = {}
hash = {}
# Connect to the reference provision and get all the attribute in the
# partition referred by name
- reference = ref_samdb.search(expression="objectClass=*",base=basedn, scope=SCOPE_SUBTREE,attrs=["dn"],controls=["search_options:1:2"])
- current = samdb.search(expression="objectClass=*",base=basedn, scope=SCOPE_SUBTREE,attrs=["dn"],controls=["search_options:1:2"])
+ reference = ref_samdb.search(expression="objectClass=*", base=basedn,
+ scope=SCOPE_SUBTREE, attrs=["dn"],
+ controls=["search_options:1:2"])
+ current = samdb.search(expression="objectClass=*", base=basedn,
+ scope=SCOPE_SUBTREE, attrs=["dn"],
+ controls=["search_options:1:2"])
# Create a hash for speeding the search of new object
- for i in range(0,len(reference)):
+ for i in range(0, len(reference)):
hash_new[str(reference[i]["dn"]).lower()] = reference[i]["dn"]
# Create a hash for speeding the search of existing object in the
# current provision
- for i in range(0,len(current)):
+ for i in range(0, len(current)):
hash[str(current[i]["dn"]).lower()] = current[i]["dn"]
for k in hash_new.keys():
if not hash.has_key(k):
- if not str(hash_new[k]) == "CN=Deleted Objects,%s" % names.rootdn:
+ if not str(hash_new[k]) == "CN=Deleted Objects, %s" % names.rootdn:
listMissing.append(hash_new[k])
else:
listPresent.append(hash_new[k])
listMissing.sort(dn_sort)
listPresent.sort(dn_sort)
- if use_ref_schema == 1:
- # The following lines (up to the for loop) is to load the up to
- # date schema into our current LDB
- # a complete schema is needed as the insertion of attributes
- # and class is done against it
- # and the schema is self validated
- # The double ldb open and schema validation is taken from the
- # initial provision script
- # it's not certain that it is really needed ....
- schema = Schema(setup_path, names.domainsid, schemadn=basedn, serverdn=str(names.serverdn))
- # Load the schema from the one we computed earlier
- samdb.set_schema_from_ldb(schema.ldb)
-
+ # The following lines is to load the up to
+ # date schema into our current LDB
+ # a complete schema is needed as the insertion of attributes
+ # and class is done against it
+ # and the schema is self validated
+ samdb.set_schema(schema)
try:
- message(SIMPLE,"There are %d missing objects" % (len(listMissing)))
+ message(SIMPLE, "There are %d missing objects" % (len(listMissing)))
add_deletedobj_containers(ref_samdb, samdb, names)
- add_missing_entries(ref_samdb,samdb,names,basedn,listMissing)
- changed = 0
-
- for dn in listPresent:
- reference = ref_samdb.search(expression="dn=%s" % (str(dn)),base=basedn, scope=SCOPE_SUBTREE,controls=["search_options:1:2"])
- current = samdb.search(expression="dn=%s" % (str(dn)),base=basedn, scope=SCOPE_SUBTREE,controls=["search_options:1:2"])
- if ((str(current[0].dn) != str(reference[0].dn)) and (str(current[0].dn).upper() == str(reference[0].dn).upper())):
- message(CHANGE,"Name are the same but case change, let's rename %s to %s" % (str(current[0].dn),str(reference[0].dn)))
- identic_rename(samdb,reference[0].dn)
- current = samdb.search(expression="dn=%s" % (str(dn)),base=basedn, scope=SCOPE_SUBTREE,controls=["search_options:1:2"])
-
- delta = samdb.msg_diff(current[0],reference[0])
- for att in hashAttrNotCopied.keys():
- delta.remove(att)
- for att in backlinked:
- delta.remove(att)
- delta.remove("parentGUID")
- nb = 0
-
- for att in delta:
- msgElt = delta.get(att)
- if att == "dn":
- continue
- if att == "name":
- delta.remove(att)
- continue
- if (not hashOverwrittenAtt.has_key(att) or not (hashOverwrittenAtt.get(att)&2^msgElt.flags())):
- if hashOverwrittenAtt.has_key(att) and hashOverwrittenAtt.get(att)==never:
- delta.remove(att)
- continue
- if not handle_special_case(att,delta,reference,current) and msgElt.flags()!=FLAG_MOD_ADD:
- if opts.debugchange or opts.debugall:
- try:
- dump_denied_change(dn,att,messageEltFlagToString(msgElt.flags()),current[0][att],reference[0][att])
- except KeyError:
- dump_denied_change(dn,att,messageEltFlagToString(msgElt.flags()),current[0][att],None)
- delta.remove(att)
-
- delta.dn = dn
- if len(delta.items()) >1:
- attributes=",".join(delta.keys())
- message(CHANGE,"%s is different from the reference one, changed attributes: %s" % (dn,attributes))
- changed = changed + 1
- samdb.modify(delta)
-
- message(SIMPLE,"There are %d changed objects" % (changed))
+ add_missing_entries(ref_samdb, samdb, names, basedn, listMissing)
+ changed = update_present(ref_samdb, samdb, basedn, listPresent,
+ provisionUSNs, names.invocation)
+ message(SIMPLE, "There are %d changed objects" % (changed))
return 1
- except Exception, err:
- message(ERROR,"Exception during upgrade of samdb: %s" % str(err))
+ except StandardError, err:
+ message(ERROR, "Exception during upgrade of samdb:")
+ (typ, val, tb) = sys.exc_info()
+ traceback.print_exception(typ, val, tb)
return 0
-def check_updated_sd(ref_sam,cur_sam, names):
- """Check if the security descriptor in the upgraded provision are the same as the reference
+def check_updated_sd(ref_sam, cur_sam, names):
+ """Check if the security descriptor in the upgraded provision are the same
+ as the reference
- :param ref_sam: A LDB object connected to the sam.ldb file used as the reference provision
- :param cur_sam: A LDB object connected to the sam.ldb file used as upgraded provision
+ :param ref_sam: A LDB object connected to the sam.ldb file used as
+ the reference provision
+ :param cur_sam: A LDB object connected to the sam.ldb file used as
+ upgraded provision
:param names: List of key provision parameters"""
- reference = ref_sam.search(expression="objectClass=*",base=str(names.rootdn), scope=SCOPE_SUBTREE,attrs=["dn","nTSecurityDescriptor"],controls=["search_options:1:2"])
- current = cur_sam.search(expression="objectClass=*",base=str(names.rootdn), scope=SCOPE_SUBTREE,attrs=["dn","nTSecurityDescriptor"],controls=["search_options:1:2"])
- hash_new = {}
- for i in range(0,len(reference)):
- hash_new[str(reference[i]["dn"]).lower()] = ndr_unpack(security.descriptor,str(reference[i]["nTSecurityDescriptor"])).as_sddl(names.domainsid)
+ reference = ref_sam.search(expression="objectClass=*", base=str(names.rootdn),
+ scope=SCOPE_SUBTREE,
+ attrs=["dn", "nTSecurityDescriptor"],
+ controls=["search_options:1:2"])
+ current = cur_sam.search(expression="objectClass=*", base=str(names.rootdn),
+ scope=SCOPE_SUBTREE,
+ attrs=["dn", "nTSecurityDescriptor"],
+ controls=["search_options:1:2"])
+ hash = {}
+ for i in range(0, len(reference)):
+ refsd = ndr_unpack(security.descriptor,
+ str(reference[i]["nTSecurityDescriptor"]))
+ hash[str(reference[i]["dn"]).lower()] = refsd.as_sddl(names.domainsid)
- for i in range(0,len(current)):
- key = str(current[i]["dn"]).lower()
- if hash_new.has_key(key):
- sddl = ndr_unpack(security.descriptor,str(current[i]["nTSecurityDescriptor"])).as_sddl(names.domainsid)
- if sddl != hash_new[key]:
- print "%s \nnew sddl / sddl in ref" % key
- print "%s\n%s\n" % (sddl,hash_new[key])
+ for i in range(0, len(current)):
+ key = str(current[i]["dn"]).lower()
+ if hash.has_key(key):
+ cursd = ndr_unpack(security.descriptor,
+ str(current[i]["nTSecurityDescriptor"]))
+ sddl = cursd.as_sddl(names.domainsid)
+ if sddl != hash[key]:
+ txt = get_diff_sddls(hash[key], sddl)
+ if txt != "":
+ message(CHANGESD, "On object %s ACL is different"
+ " \n%s" % (current[i]["dn"], txt))
-def rebuild_sd(samdb, names):
- """Rebuild security descriptor of the current provision from scratch
- During the different pre release of samba4 security descriptors (SD) were notarly broken (up to alpha11 included)
- This function allow to get them back in order, this function make the assumption that nobody has modified manualy an SD
- and so SD can be safely recalculated from scratch to get them right.
- :param names: List of key provision parameters"""
+def fix_partition_sd(samdb, names):
+ """This function fix the SD for partition containers (basedn, configdn, ...)
+ This is needed because some provision use to have broken SD on containers
+ :param samdb: An LDB object pointing to the sam of the current provision
+ :param names: A list of key provision parameters
+ """
# First update the SD for the rootdn
- res = samdb.search(expression="objectClass=*", base=str(names.rootdn), scope=SCOPE_BASE,\
- attrs=["dn", "whenCreated"], controls=["search_options:1:2"])
+ res = samdb.search(expression="objectClass=*", base=str(names.rootdn),
+ scope=SCOPE_BASE, attrs=["dn", "whenCreated"],
+ controls=["search_options:1:2"])
delta = Message()
- delta.dn = Dn(samdb,str(res[0]["dn"]))
+ delta.dn = Dn(samdb, str(res[0]["dn"]))
descr = get_domain_descriptor(names.domainsid)
- delta["nTSecurityDescriptor"] = MessageElement(descr, FLAG_MOD_REPLACE, "nTSecurityDescriptor")
- samdb.modify(delta,["recalculate_sd:0"])
+ delta["nTSecurityDescriptor"] = MessageElement(descr, FLAG_MOD_REPLACE,
+ "nTSecurityDescriptor")
+ samdb.modify(delta, ["recalculate_sd:0"])
# Then the config dn
- res = samdb.search(expression="objectClass=*",base=str(names.configdn), scope=SCOPE_BASE,attrs=["dn","whenCreated"],controls=["search_options:1:2"])
+ res = samdb.search(expression="objectClass=*", base=str(names.configdn),
+ scope=SCOPE_BASE, attrs=["dn", "whenCreated"],
+ controls=["search_options:1:2"])
delta = Message()
- delta.dn = Dn(samdb,str(res[0]["dn"]))
+ delta.dn = Dn(samdb, str(res[0]["dn"]))
descr = get_config_descriptor(names.domainsid)
- delta["nTSecurityDescriptor"] = MessageElement(descr, FLAG_MOD_REPLACE, "nTSecurityDescriptor" )
- samdb.modify(delta,["recalculate_sd:0"])
+ delta["nTSecurityDescriptor"] = MessageElement(descr, FLAG_MOD_REPLACE,
+ "nTSecurityDescriptor" )
+ samdb.modify(delta, ["recalculate_sd:0"])
# Then the schema dn
- res = samdb.search(expression="objectClass=*",base=str(names.schemadn), scope=SCOPE_BASE,attrs=["dn","whenCreated"],controls=["search_options:1:2"])
+ res = samdb.search(expression="objectClass=*", base=str(names.schemadn),
+ scope=SCOPE_BASE, attrs=["dn", "whenCreated"],
+ controls=["search_options:1:2"])
+
delta = Message()
- delta.dn = Dn(samdb,str(res[0]["dn"]))
+ delta.dn = Dn(samdb, str(res[0]["dn"]))
descr = get_schema_descriptor(names.domainsid)
- delta["nTSecurityDescriptor"] = MessageElement(descr, FLAG_MOD_REPLACE, "nTSecurityDescriptor" )
- samdb.modify(delta,["recalculate_sd:0"])
+ delta["nTSecurityDescriptor"] = MessageElement(descr, FLAG_MOD_REPLACE,
+ "nTSecurityDescriptor" )
+ samdb.modify(delta, ["recalculate_sd:0"])
+
+def rebuild_sd(samdb, names):
+ """Rebuild security descriptor of the current provision from scratch
+
+ During the different pre release of samba4 security descriptors (SD)
+ were notarly broken (up to alpha11 included)
+ This function allow to get them back in order, this function make the
+ assumption that nobody has modified manualy an SD
+ and so SD can be safely recalculated from scratch to get them right.
+
+ :param names: List of key provision parameters"""
+
- # Then the rest
hash = {}
- res = samdb.search(expression="objectClass=*",base=str(names.rootdn), scope=SCOPE_SUBTREE,attrs=["dn","whenCreated"],controls=["search_options:1:2"])
+ res = samdb.search(expression="objectClass=*", base=str(names.rootdn),
+ scope=SCOPE_SUBTREE, attrs=["dn", "whenCreated"],
+ controls=["search_options:1:2"])
for obj in res:
if not (str(obj["dn"]) == str(names.rootdn) or
- str(obj["dn"]) == str(names.configdn) or \
+ str(obj["dn"]) == str(names.configdn) or
str(obj["dn"]) == str(names.schemadn)):
hash[str(obj["dn"])] = obj["whenCreated"]
for key in listkeys:
try:
delta = Message()
- delta.dn = Dn(samdb,key)
- delta["whenCreated"] = MessageElement(hash[key], FLAG_MOD_REPLACE, "whenCreated" )
- samdb.modify(delta,["recalculate_sd:0"])
+ delta.dn = Dn(samdb, key)
+ delta["whenCreated"] = MessageElement(hash[key], FLAG_MOD_REPLACE,
+ "whenCreated" )
+ samdb.modify(delta, ["recalculate_sd:0"])
except:
# XXX: We should always catch an explicit exception.
# What could go wrong here?
samdb.transaction_cancel()
- res = samdb.search(expression="objectClass=*", base=str(names.rootdn), scope=SCOPE_SUBTREE,\
- attrs=["dn","nTSecurityDescriptor"], controls=["search_options:1:2"])
- print "bad stuff" +ndr_unpack(security.descriptor,str(res[0]["nTSecurityDescriptor"])).as_sddl(names.domainsid)
+ res = samdb.search(expression="objectClass=*", base=str(names.rootdn),
+ scope=SCOPE_SUBTREE,
+ attrs=["dn", "nTSecurityDescriptor"],
+ controls=["search_options:1:2"])
+ badsd = ndr_unpack(security.descriptor,
+ str(res[0]["nTSecurityDescriptor"]))
+ print "bad stuff %s" % badsd.as_sddl(names.domainsid)
return
+def removeProvisionUSN(samdb):
+ attrs = [samba.provision.LAST_PROVISION_USN_ATTRIBUTE, "dn"]
+ entry = samdb.search(expression="dn=@PROVISION", base = "",
+ scope=SCOPE_SUBTREE,
+ controls=["search_options:1:2"],
+ attrs=attrs)
+ empty = Message()
+ empty.dn = entry[0].dn
+ delta = samdb.msg_diff(entry[0], empty)
+ delta.remove("dn")
+ delta.dn = entry[0].dn
+ samdb.modify(delta)
-def getLastProvisionUSN(paths, creds, session, lp):
- """Get the lastest USN modified by a provision or an upgradeprovision
-
- :param paths: An object holding the different importants paths for upgraded provision object
- :param creds: Credential used for openning LDB files
- :param session: Session to use for openning LDB files
- :param lp: A loadparam object
- :return an integer corresponding to the highest USN modified by (upgrade)provision, 0 is this value is unknown"""
-
- sam = Ldb(paths.samdb, session_info=session, credentials=creds, lp=lp, options=["modules:"] )
- entry = sam.search(expression="(&(dn=@PROVISION)(%s=*))" % LAST_PROVISION_USN_ATTRIBUTE, scope=SCOPE_SUBTREE,attrs=[LAST_PROVISION_USN_ATTRIBUTE])
- if len(entry):
- message(CHANGE,"Find a last provision USN: %d" % entry[0][LAST_PROVISION_USN_ATTRIBUTE])
- return entry[0][LAST_PROVISION_USN_ATTRIBUTE]
- else:
- return 0
-
-
-
-
-def delta_update_basesamdb(refpaths, paths, creds, session, lp):
- """Update the provision container db: sam.ldb
- This function is aimed for alpha9 and newer;
-
- :param refpaths: An object holding the different importants paths for reference provision object
- :param paths: An object holding the different importants paths for upgraded provision object
- :param creds: Credential used for openning LDB files
- :param session: Session to use for openning LDB files
- :param lp: A loadparam object"""
-
- message(SIMPLE,"Update base samdb by searching difference with reference one")
- refsam = Ldb(refpaths.samdb, session_info=session, credentials=creds, lp=lp, options=["modules:"] )
- sam = Ldb(paths.samdb, session_info=session, credentials=creds, lp=lp, options=["modules:"] )
-
- empty = Message()
-
- reference = refsam.search(expression="")
+def remove_stored_generated_attrs(paths, creds, session, lp):
+ """Remove previously stored constructed attributes
- for refentry in reference:
- entry = sam.search(expression="dn=%s" % refentry["dn"],scope=SCOPE_SUBTREE)
- if not len(entry[0]):
- message(CHANGE,"Adding %s to sam db" % str(delta.dn))
- delta = sam.msg_diff(empty,refentry)
- delta.dn = refentry.dn
- sam.add(delta)
- else:
- delta = sam.msg_diff(entry[0],refentry)
- if refentry.dn == "@PARTITION" and delta.get(LAST_PROVISION_USN_ATTRIBUTE):
- delta.remove(LAST_PROVISION_USN_ATTRIBUTE)
- if len(delta.items()) > 1:
- delta.dn = refentry.dn
- sam.modify(delta)
+ :param paths: List of paths for different provision objects
+ from the upgraded provision
+ :param creds: A credential object
+ :param session: A session object
+ :param lp: A line parser object
+ :return: An associative array whose key are the different constructed
+ attributes and the value the dn where this attributes were found.
+ """
def simple_update_basesamdb(newpaths, paths, names):
"""Update the provision container db: sam.ldb
This function is aimed at very old provision (before alpha9)
- :param newpaths: List of paths for different provision objects from the reference provision
- :param paths: List of paths for different provision objects from the upgraded provision
+ :param newpaths: List of paths for different provision objects
+ from the reference provision
+ :param paths: List of paths for different provision objects
+ from the upgraded provision
:param names: List of key provision parameters"""
message(SIMPLE, "Copy samdb")
- shutil.copy(newpaths.samdb,paths.samdb)
+ shutil.copy(newpaths.samdb, paths.samdb)
message(SIMPLE, "Update partitions filename if needed")
schemaldb = os.path.join(paths.private_dir, "schema.ldb")
if not os.path.isdir(samldbdir):
os.mkdir(samldbdir)
- os.chmod(samldbdir,0700)
+ os.chmod(samldbdir, 0700)
if os.path.isfile(schemaldb):
- shutil.copy(schemaldb, os.path.join(samldbdir, "%s.ldb" % str(names.schemadn).upper()))
+ shutil.copy(schemaldb, os.path.join(samldbdir,
+ "%s.ldb"%str(names.schemadn).upper()))
os.remove(schemaldb)
if os.path.isfile(usersldb):
- shutil.copy(usersldb, os.path.join(samldbdir, "%s.ldb" % str(names.rootdn).upper()))
+ shutil.copy(usersldb, os.path.join(samldbdir,
+ "%s.ldb"%str(names.rootdn).upper()))
os.remove(usersldb)
if os.path.isfile(configldb):
- shutil.copy(configldb, os.path.join(samldbdir, "%s.ldb" % str(names.configdn).upper()))
+ shutil.copy(configldb, os.path.join(samldbdir,
+ "%s.ldb"%str(names.configdn).upper()))
os.remove(configldb)
def update_privilege(ref_private_path, cur_private_path):
"""Update the privilege database
- :param ref_private_path: Path to the private directory of the reference provision.
- :param cur_private_path: Path to the private directory of the current (and to be updated) provision."""
+ :param ref_private_path: Path to the private directory of the reference
+ provision.
+ :param cur_private_path: Path to the private directory of the current
+ (and to be updated) provision."""
message(SIMPLE, "Copy privilege")
shutil.copy(os.path.join(ref_private_path, "privilege.ldb"),
os.path.join(cur_private_path, "privilege.ldb"))
-def update_samdb(ref_samdb, samdb, names, highestUSN):
+def update_samdb(ref_samdb, samdb, names, highestUSN, schema):
"""Upgrade the SAM DB contents for all the provision partitions
- :param ref_sambdb: An LDB object conntected to the sam.ldb of the reference provision
- :param samdb: An LDB object connected to the sam.ldb of the update provision
+ :param ref_sambdb: An LDB object conntected to the sam.ldb of the reference
+ provision
+ :param samdb: An LDB object connected to the sam.ldb of the update
+ provision
:param names: List of key provision parameters
- :param highestUSN: The highest USN modified by provision/upgradeprovision last time"""
+ :param highestUSN: The highest USN modified by provision/upgradeprovision
+ last time
+ :param schema: A Schema object that represent the schema of the provision"""
message(SIMPLE, "Starting update of samdb")
- ret = update_partition(ref_samdb, samdb, str(names.rootdn), names, 1, highestUSN)
+ ret = update_partition(ref_samdb, samdb, str(names.rootdn), names,
+ schema, highestUSN)
if ret:
- message(SIMPLE,"Update of samdb finished")
+ message(SIMPLE, "Update of samdb finished")
return 1
else:
- message(SIMPLE,"Update failed")
+ message(SIMPLE, "Update failed")
return 0
-def update_machine_account_password(samdb, secrets_ldb, names):
- """Update (change) the password of the current DC both in the SAM db and in secret one
-
- :param samdb: An LDB object related to the sam.ldb file of a given provision
- :param secrets_ldb: An LDB object related to the secrets.ldb file of a given provision
- :param names: List of key provision parameters"""
-
- message(SIMPLE,"Update machine account")
- secrets_msg = secrets_ldb.search(expression=("samAccountName=%s$" % names.netbiosname), attrs=["secureChannelType"])
- if int(secrets_msg[0]["secureChannelType"][0]) == SEC_CHAN_BDC:
- res = samdb.search(expression=("samAccountName=%s$" % names.netbiosname), attrs=[])
- assert(len(res) == 1)
-
- msg = Message(res[0].dn)
- machinepass = samba.generate_random_password(128, 255)
- msg["userPassword"] = MessageElement(machinepass, FLAG_MOD_REPLACE, "userPassword")
- samdb.modify(msg)
-
- res = samdb.search(expression=("samAccountName=%s$" % names.netbiosname),
- attrs=["msDs-keyVersionNumber"])
- assert(len(res) == 1)
- kvno = int(str(res[0]["msDs-keyVersionNumber"]))
-
- secretsdb_self_join(secrets_ldb, domain=names.domain,
- realm=names.realm or sambaopts._lp.get('realm'),
- domainsid=names.domainsid,
- dnsdomain=names.dnsdomain,
- netbiosname=names.netbiosname,
- machinepass=machinepass,
- key_version_number=kvno,
- secure_channel_type=int(secrets_msg[0]["secureChannelType"][0]))
- else:
- raise ProvisioningError("Unable to find a Secure Channel of type SEC_CHAN_BDC")
-
-
-def update_gpo(paths,creds,session,names):
- """Create missing GPO file object if needed
-
- Set ACL correctly also.
+def copyxattrs(dir, refdir):
+ """ Copy owner, groups, extended ACL and NT acls from
+ a reference dir to a destination dir
+
+ Both dir are supposed to hold the same files
+ :param dir: Destination dir
+ :param refdir: Reference directory"""
+
+ noxattr = 0
+ for root, dirs, files in os.walk(dir, topdown=True):
+ for name in files:
+ subdir=root[len(dir):]
+ ref = os.path.join("%s%s" % (refdir, subdir), name)
+ statsinfo = os.stat(ref)
+ tgt = os.path.join(root, name)
+ try:
+
+ os.chown(tgt, statsinfo.st_uid, statsinfo.st_gid)
+ # Get the xattr attributes if any
+ try:
+ attribute = samba.xattr_native.wrap_getxattr(ref,
+ xattr.XATTR_NTACL_NAME)
+ samba.xattr_native.wrap_setxattr(tgt,
+ xattr.XATTR_NTACL_NAME,
+ attribute)
+ except:
+ noxattr = 1
+ attribute = samba.xattr_native.wrap_getxattr(ref,
+ "system.posix_acl_access")
+ samba.xattr_native.wrap_setxattr(tgt,
+ "system.posix_acl_access",
+ attribute)
+ except:
+ continue
+ for name in dirs:
+ subdir=root[len(dir):]
+ ref = os.path.join("%s%s" % (refdir, subdir), name)
+ statsinfo = os.stat(ref)
+ tgt = os.path.join(root, name)
+ try:
+ os.chown(os.path.join(root, name), statsinfo.st_uid,
+ statsinfo.st_gid)
+ try:
+ attribute = samba.xattr_native.wrap_getxattr(ref,
+ xattr.XATTR_NTACL_NAME)
+ samba.xattr_native.wrap_setxattr(tgt,
+ xattr.XATTR_NTACL_NAME,
+ attribute)
+ except:
+ noxattr = 1
+ attribute = samba.xattr_native.wrap_getxattr(ref,
+ "system.posix_acl_access")
+ samba.xattr_native.wrap_setxattr(tgt,
+ "system.posix_acl_access",
+ attribute)
+
+ except:
+ continue
+
+
+def backup_provision(paths, dir):
+ """This function backup the provision files so that a rollback
+ is possible
+
+ :param paths: Paths to different objects
+ :param dir: Directory where to store the backup
"""
- dir = getpolicypath(paths.sysvol,names.dnsdomain,names.policyid)
- if not os.path.isdir(dir):
- create_gpo_struct(dir)
-
- dir = getpolicypath(paths.sysvol,names.dnsdomain,names.policyid_dc)
- if not os.path.isdir(dir):
- create_gpo_struct(dir)
- samdb = Ldb(paths.samdb, session_info=session, credentials=creds,lp=lp)
- set_gpo_acl(paths.sysvol, names.dnsdomain, names.domainsid,
- names.domaindn, samdb, lp)
-
-
-def getOEMInfo(samdb, rootdn):
- """Return OEM Information on the top level
- Samba4 use to store version info in this field
-
- :param samdb: An LDB object connect to sam.ldb
- :param rootdn: Root DN of the domain
- :return: The content of the field oEMInformation (if any)"""
- res = samdb.search(expression="(objectClass=*)", base=str(rootdn),
- scope=SCOPE_BASE, attrs=["dn", "oEMInformation"])
- if len(res) > 0:
- info = res[0]["oEMInformation"]
- return info
- else:
- return ""
-
-
-def updateProvisionUSN(samdb, names):
- """Update the field provisionUSN in sam.ldb
- This field is used to track the highest USN of a modified or created object.
- This value is used afterward by next provision to figure out if the field have been
- modified since last provision.
-
- :param samdb: An LDB object connect to sam.ldb
- :param names: Key provision parameters"""
- message(SIMPLE,"Updating the highest USN modified by upgrade: This is a stub function")
-
-
-
-def updateOEMInfo(samdb, names):
- res = samdb.search(expression="(objectClass=*)", base=str(names.rootdn),
- scope=SCOPE_BASE, attrs=["dn", "oEMInformation"])
- if len(res) > 0:
- info = res[0]["oEMInformation"]
- info = "%s, upgrade to %s" % (info, version)
- delta = Message()
- delta.dn = Dn(samdb, str(res[0]["dn"]))
- delta["oEMInformation"] = MessageElement(info, FLAG_MOD_REPLACE,
- "oEMInformation" )
- samdb.modify(delta)
+ shutil.copytree(paths.sysvol, os.path.join(dir, "sysvol"))
+ copyxattrs(os.path.join(dir, "sysvol"), paths.sysvol)
+ shutil.copy2(paths.samdb, dir)
+ shutil.copy2(paths.secrets, dir)
+ shutil.copy2(paths.idmapdb, dir)
+ shutil.copy2(paths.privilege, dir)
+ if os.path.isfile(os.path.join(paths.private_dir,"eadb.tdb")):
+ shutil.copy2(os.path.join(paths.private_dir,"eadb.tdb"), dir)
+ shutil.copy2(paths.smbconf, dir)
+ shutil.copy2(os.path.join(paths.private_dir,"secrets.keytab"), dir)
+ samldbdir = os.path.join(paths.private_dir, "sam.ldb.d")
+ if not os.path.isdir(samldbdir):
+ samldbdir = paths.private_dir
+ schemaldb = os.path.join(paths.private_dir, "schema.ldb")
+ configldb = os.path.join(paths.private_dir, "configuration.ldb")
+ usersldb = os.path.join(paths.private_dir, "users.ldb")
+ shutil.copy2(schemaldb, dir)
+ shutil.copy2(usersldb, dir)
+ shutil.copy2(configldb, dir)
+ else:
+ shutil.copytree(samldbdir, os.path.join(dir, "sam.ldb.d"))
def setup_path(file):
return os.path.join(setup_dir, file)
+# Synopsis for updateprovision
+# 1) get path related to provision to be update (called current)
+# 2) open current provision ldbs
+# 3) fetch the key provision parameter (domain sid, domain guid, invocationid
+# of the DC ....)
+# 4) research of lastProvisionUSN in order to get ranges of USN modified
+# by either upgradeprovision or provision
+# 5) creation of a new provision the latest version of provision script
+# (called reference)
+# 6) get reference provision paths
+# 7) open reference provision ldbs
+# 8) setup helpers data that will help the update process
+# 9) update the privilege ldb by copying the one of referecence provision to
+# the current provision
+# 10)get the oemInfo field, this field contains information about the different
+# provision that have been done
+# 11)Depending on whether oemInfo has the string "alpha9" or alphaxx (x as an
+# integer) or none of this the following things are done
+# A) When alpha9 or alphaxx is present
+# The base sam.ldb file is updated by looking at the difference between
+# referrence one and the current one. Everything is copied with the
+# exception of lastProvisionUSN attributes.
+# B) Other case (it reflect that that provision was done before alpha9)
+# The base sam.ldb of the reference provision is copied over
+# the current one, if necessary ldb related to partitions are moved
+# and renamed
+# The highest used USN is fetched so that changed by upgradeprovision
+# usn can be tracked
+# 12)A Schema object is created, it will be used to provide a complete
+# schema to current provision during update (as the schema of the
+# current provision might not be complete and so won't allow some
+# object to be created)
+# 13)Proceed to full update of sam DB (see the separate paragraph about i)
+# 14)The secrets db is updated by pull all the difference from the reference
+# provision into the current provision
+# 15)As the previous step has most probably modified the password stored in
+# in secret for the current DC, a new password is generated,
+# the kvno is bumped and the entry in samdb is also updated
+# 16)For current provision older than alpha9, we must fix the SD a little bit
+# administrator to update them because SD used to be generated with the
+# system account before alpha9.
+# 17)The highest usn modified so far is searched in the database it will be
+# the upper limit for usn modified during provision.
+# This is done before potential SD recalculation because we do not want
+# SD modified during recalculation to be marked as modified during provision
+# (and so possibly remplaced at next upgradeprovision)
+# 18)Rebuilt SD if the flag indicate to do so
+# 19)Check difference between SD of reference provision and those of the
+# current provision. The check is done by getting the sddl representation
+# of the SD. Each sddl in chuncked into parts (user,group,dacl,sacl)
+# Each part is verified separetly, for dacl and sacl ACL is splited into
+# ACEs and each ACE is verified separately (so that a permutation in ACE
+# didn't raise as an error).
+# 20)The oemInfo field is updated to add information about the fact that the
+# provision has been updated by the upgradeprovision version xxx
+# (the version is the one obtained when starting samba with the --version
+# parameter)
+# 21)Check if the current provision has all the settings needed for dynamic
+# DNS update to work (that is to say the provision is newer than
+# january 2010). If not dns configuration file from reference provision
+# are copied in a sub folder and the administrator is invited to
+# do what is needed.
+# 22)If the lastProvisionUSN attribute was present it is updated to add
+# the range of usns modified by the current upgradeprovision
+
+
+# About updating the sam DB
+# The update takes place in update_partition function
+# This function read both current and reference provision and list all
+# the available DN of objects
+# If the string representation of a DN in reference provision is
+# equal to the string representation of a DN in current provision
+# (without taking care of case) then the object is flaged as being
+# present. If the object is not present in current provision the object
+# is being flaged as missing in current provision. Object present in current
+# provision but not in reference provision are ignored.
+# Once the list of objects present and missing is done, the deleted object
+# containers are created in the differents partitions (if missing)
+#
+# Then the function add_missing_entries is called
+# This function will go through the list of missing entries by calling
+# add_missing_object for the given object. If this function returns 0
+# it means that the object needs some other object in order to be created
+# The object is reappended at the end of the list to be created later
+# (and preferably after all the needed object have been created)
+# The function keeps on looping on the list of object to be created until
+# it's empty or that the number of defered creation is equal to the number
+# of object that still needs to be created.
+
+# The function add_missing_object will first check if the object can be created.
+# That is to say that it didn't depends other not yet created objects
+# If requisit can't be fullfilled it exists with 0
+# Then it will try to create the missing entry by creating doing
+# an ldb_message_diff between the object in the reference provision and
+# an empty object.
+# This resulting object is filtered to remove all the back link attribute
+# (ie. memberOf) as they will be created by the other linked object (ie.
+# the one with the member attribute)
+# All attributes specified in the hashAttrNotCopied associative array are
+# also removed it's most of the time generated attributes
+
+# After missing entries have been added the update_partition function will
+# take care of object that exist but that need some update.
+# In order to do so the function update_present is called with the list
+# of object that are present in both provision and that might need an update.
+
+# This function handle first case mismatch so that the DN in the current
+# provision have the same case as in reference provision
+
+# It will then construct an associative array consiting of attributes as
+# key and invocationid as value( if the originating invocation id is
+# different from the invocation id of the current DC the value is -1 instead).
+
+# If the range of provision modified attributes is present, the function will
+# use the replMetadataProperty update method which is the following:
+# Removing attributes that should not be updated: rIDAvailablePool, objectSid,
+# creationTime, msDs-KeyVersionNumber, oEMInformation
+# Check for each attribute if its usn is within one of the modified by
+# provision range and if its originating id is the invocation id of the
+# current DC, then validate the update from reference to current.
+# If not or if there is no replMetatdataProperty for this attribute then we
+# do not update it.
+# Otherwise (case the range of provision modified attribute is not present) it
+# use the following process:
+# All attributes that need to be added are accepted at the exeption of those
+# listed in hashOverwrittenAtt, in this case the attribute needs to have the
+# correct flags specified.
+# For attributes that need to be modified or removed, a check is performed
+# in OverwrittenAtt, if the attribute is present and the modification flag
+# (remove, delete) is one of those listed for this attribute then modification
+# is accepted. For complicated handling of attribute update, the control is passed
+# to handle_special_case
+
+
if __name__ == '__main__':
+ global defSDmodified
+ defSDmodified = False
# From here start the big steps of the program
- # First get files paths
+ # 1) First get files paths
paths = get_paths(param, smbconf=smbconf)
paths.setup = setup_dir
- # Get ldbs with the system session, it is needed for searching provision parameters
+ # Get ldbs with the system session, it is needed for searching
+ # provision parameters
session = system_session()
# This variable will hold the last provision USN once if it exists.
- lastProvisionUSN = getLastProvisionUSN(paths, creds, session, lp)
-
+ minUSN = 0
+ # 2)
ldbs = get_ldbs(paths, creds, session, lp)
- ldbs.startTransactions()
-
- # Guess all the needed names (variables in fact) from the current
- # provision.
- names = find_provision_key_parameters(ldbs.sam, ldbs.secrets, paths, smbconf, lp)
-
- # Objects will be created with the admin session (not anymore system session)
- adm_session = admin_session(lp, str(names.domainsid))
- # So we reget handle on objects
- # ldbs = get_ldbs(paths, creds, adm_session, lp)
-
-
- if not sanitychecks(ldbs.sam, names):
- message(SIMPLE,"Sanity checks for the upgrade fails, checks messages and correct them before rerunning upgradeprovision")
- sys.exit(1)
-
- # Let's see provision parameters
- print_provision_key_parameters(names)
-
- # With all this information let's create a fresh new provision used as reference
- message(SIMPLE, "Creating a reference provision")
- provisiondir = tempfile.mkdtemp(dir=paths.private_dir,
- prefix="referenceprovision")
- newprovision(names, setup_dir, creds, session, smbconf, provisiondir,
- provision_logger)
-
- # TODO
- # We need to get a list of object which SD is directly computed from
- # defaultSecurityDescriptor.
- # This will allow us to know which object we can rebuild the SD in case
- # of change of the parent's SD or of the defaultSD.
- # Get file paths of this new provision
- newpaths = get_paths(param, targetdir=provisiondir)
- new_ldbs = get_ldbs(newpaths, creds, session, lp)
- new_ldbs.startTransactions()
-
- # Populate some associative array to ease the update process
- populate_backlink(new_ldbs.sam, names.schemadn) # List of attribute which are backlink
- populate_dnsyntax(new_ldbs.sam, names.schemadn) # List of attribute with ASN DN synthax)
-
- update_privilege(newpaths.private_dir,paths.private_dir)
- oem = getOEMInfo(ldbs.sam, names.rootdn)
- # Do some modification on sam.ldb
- ldbs.groupedCommit()
- if re.match(".*alpha((9)|(\d\d+)).*",str(oem)):
- # Starting from alpha9 we can consider that the structure is quite ok and that we should do only dela
- new_ldbs.groupedCommit()
- delta_update_basesamdb(newpaths, paths, creds, session, lp)
- ldbs.startTransactions()
- new_ldbs.startTransactions()
- else:
- simple_update_basesamdb(newpaths, paths, names)
- ldbs = get_ldbs(paths, creds, session, lp)
+ backupdir = tempfile.mkdtemp(dir=paths.private_dir,
+ prefix="backupprovision")
+ backup_provision(paths, backupdir)
+ try:
ldbs.startTransactions()
- if opts.full:
- if not update_samdb(new_ldbs.sam, ldbs.sam, names, lastProvisionUSN):
- message(SIMPLE,"Rollbacking every changes. Check the reason of the problem")
- message(SIMPLE,"In any case your system as it was before the upgrade")
- ldbs.groupedRollback()
- new_ldbs.groupedRollback()
- shutil.rmtree(provisiondir)
+ # 3) Guess all the needed names (variables in fact) from the current
+ # provision.
+ names = find_provision_key_parameters(ldbs.sam, ldbs.secrets, ldbs.idmap,
+ paths, smbconf, lp)
+ # 4)
+ lastProvisionUSNs = get_last_provision_usn(ldbs.sam)
+ if lastProvisionUSNs is not None:
+ message(CHANGE,
+ "Find a last provision USN, %d range(s)" % len(lastProvisionUSNs))
+
+ # Objects will be created with the admin session
+ # (not anymore system session)
+ adm_session = admin_session(lp, str(names.domainsid))
+ # So we reget handle on objects
+ # ldbs = get_ldbs(paths, creds, adm_session, lp)
+
+ if not sanitychecks(ldbs.sam, names):
+ message(SIMPLE, "Sanity checks for the upgrade fails, checks messages"
+ " and correct them before rerunning upgradeprovision")
sys.exit(1)
- update_secrets(new_ldbs.secrets,ldbs.secrets)
- update_machine_account_password(ldbs.sam,ldbs.secrets, names)
-
- # SD should be created with admin but as some previous acl were so wrong that admin can't modify them we have first
- # to recreate them with the good form but with system account and then give the ownership to admin ...
- message(SIMPLE, "Updating SD")
- if not re.match(r'alpha(9|\d\d+)',str(oem)):
- rebuild_sd(ldbs.sam,names)
-
- # We rebuild SD only when we do not have a lastProvisionUSN because otherwise SD have been already updated if needed
- if lastProvisionUSN == 0:
- ldbs.sam.set_session_info(adm_session)
- rebuild_sd(ldbs.sam, names)
- check_updated_sd(new_ldbs.sam,ldbs.sam, names)
-
- updateOEMInfo(ldbs.sam,names)
- check_for_DNS(newpaths.private_dir, paths.private_dir)
- updateProvisionUSN(ldbs.sam,names)
- ldbs.groupedCommit()
- new_ldbs.groupedCommit()
- message(SIMPLE, "Upgrade finished !")
- # remove reference provision now that everything is done !
- shutil.rmtree(provisiondir)
+ # Let's see provision parameters
+ print_provision_key_parameters(names)
+
+ # 5) With all this information let's create a fresh new provision used as
+ # reference
+ message(SIMPLE, "Creating a reference provision")
+ provisiondir = tempfile.mkdtemp(dir=paths.private_dir,
+ prefix="referenceprovision")
+ newprovision(names, setup_dir, creds, session, smbconf, provisiondir,
+ provision_logger)
+
+ # TODO
+ # 6) and 7)
+ # We need to get a list of object which SD is directly computed from
+ # defaultSecurityDescriptor.
+ # This will allow us to know which object we can rebuild the SD in case
+ # of change of the parent's SD or of the defaultSD.
+ # Get file paths of this new provision
+ newpaths = get_paths(param, targetdir=provisiondir)
+ new_ldbs = get_ldbs(newpaths, creds, session, lp)
+ new_ldbs.startTransactions()
+
+ # 8) Populate some associative array to ease the update process
+ # List of attribute which are link and backlink
+ populate_links(new_ldbs.sam, names.schemadn)
+ # List of attribute with ASN DN synthax)
+ populate_dnsyntax(new_ldbs.sam, names.schemadn)
+ # 9)
+ update_privilege(newpaths.private_dir, paths.private_dir)
+ # 10)
+ oem = getOEMInfo(ldbs.sam, str(names.rootdn))
+ # Do some modification on sam.ldb
+ ldbs.groupedCommit()
+ new_ldbs.groupedCommit()
+
+ # 11)
+ if re.match(".*alpha((9)|(\d\d+)).*", str(oem)):
+ # 11) A
+ # Starting from alpha9 we can consider that the structure is quite ok
+ # and that we should do only dela
+ delta_update_basesamdb(newpaths.samdb, paths.samdb, creds, session, lp, message)
+ else:
+ # 11) B
+ simple_update_basesamdb(newpaths, paths, names)
+ ldbs = get_ldbs(paths, creds, session, lp)
+ removeProvisionUSN(ldbs.sam)
+
+ ldbs.startTransactions()
+ minUSN = int(str(get_max_usn(ldbs.sam, str(names.rootdn)))) + 1
+ new_ldbs.startTransactions()
+
+ # 12)
+ schema = Schema(setup_path, names.domainsid, schemadn=str(names.schemadn),
+ serverdn=str(names.serverdn))
+
+ # 13)
+ if opts.full:
+ if not update_samdb(new_ldbs.sam, ldbs.sam, names, lastProvisionUSNs,
+ schema):
+ message(SIMPLE, "Rollbacking every changes. Check the reason"
+ " of the problem")
+ message(SIMPLE, "In any case your system as it was before"
+ " the upgrade")
+ ldbs.groupedRollback()
+ new_ldbs.groupedRollback()
+ shutil.rmtree(provisiondir)
+ sys.exit(1)
+ # 14)
+ update_secrets(new_ldbs.secrets, ldbs.secrets, message)
+ # 15)
+ message(SIMPLE, "Update machine account")
+ update_machine_account_password(ldbs.sam, ldbs.secrets, names)
+
+ # 16) SD should be created with admin but as some previous acl were so wrong
+ # that admin can't modify them we have first to recreate them with the good
+ # form but with system account and then give the ownership to admin ...
+ if not re.match(r'.*alpha(9|\d\d+)', str(oem)):
+ message(SIMPLE, "Fixing old povision SD")
+ fix_partition_sd(ldbs.sam, names)
+ rebuild_sd(ldbs.sam, names)
+
+ # We calculate the max USN before recalculating the SD because we might
+ # touch object that have been modified after a provision and we do not
+ # want that the next upgradeprovision thinks that it has a green light
+ # to modify them
+
+ # 17)
+ maxUSN = get_max_usn(ldbs.sam, str(names.rootdn))
+
+ # 18) We rebuild SD only if defaultSecurityDescriptor is modified
+ # But in fact we should do it also if one object has its SD modified as
+ # child might need rebuild
+ if defSDmodified:
+ message(SIMPLE, "Updating SD")
+ ldbs.sam.set_session_info(adm_session)
+ # Alpha10 was a bit broken still
+ if re.match(r'.*alpha(\d|10)', str(oem)):
+ fix_partition_sd(ldbs.sam, names)
+ rebuild_sd(ldbs.sam, names)
+
+ # 19)
+ # Now we are quite confident in the recalculate process of the SD, we make
+ # it optional.
+ # Also the check must be done in a clever way as for the moment we just
+ # compare SDDL
+ if opts.debugchangesd:
+ check_updated_sd(new_ldbs.sam, ldbs.sam, names)
+
+ # 20)
+ updateOEMInfo(ldbs.sam, str(names.rootdn))
+ # 21)
+ check_for_DNS(newpaths.private_dir, paths.private_dir)
+ # 22)
+ if lastProvisionUSNs is not None:
+ update_provision_usn(ldbs.sam, minUSN, maxUSN)
+ if opts.full and (names.policyid is None or names.policyid_dc is None):
+ update_policyids(names, ldbs.sam)
+ if opts.full or opts.resetfileacl:
+ try:
+ update_gpo(paths, ldbs.sam, names, lp, message, 1)
+ except ProvisioningError, e:
+ message(ERROR, "The policy for domain controller is missing,"
+ " you should restart upgradeprovision with --full")
+ else:
+ try:
+ update_gpo(paths, ldbs.sam, names, lp, message, 0)
+ except ProvisioningError, e:
+ message(ERROR, "The policy for domain controller is missing,"
+ " you should restart upgradeprovision with --full")
+ ldbs.groupedCommit()
+ new_ldbs.groupedCommit()
+ message(SIMPLE, "Upgrade finished !")
+ # remove reference provision now that everything is done !
+ shutil.rmtree(provisiondir)
+ except StandardError, err:
+ message(ERROR,"A problem has occured when trying to upgrade your provision,"
+ " a full backup is located at %s" % backupdir)
+ if opts.changeall:
+ (typ, val, tb) = sys.exc_info()
+ traceback.print_exception(typ, val, tb)
git.samba.org / mat / samba.git / blobdiff