from samba import gensec, Ldb, drs_utils
import ldb, samba, sys, os, uuid
from samba.ndr import ndr_pack
-from samba.dcerpc import security, drsuapi, misc, nbt
+from samba.dcerpc import security, drsuapi, misc, nbt, lsa, drsblobs
from samba.credentials import Credentials, DONT_USE_KERBEROS
from samba.provision import secretsdb_self_join, provision, provision_fill, FILL_DRS, FILL_SUBDOMAIN
from samba.schema import Schema
from samba.dcerpc import security
import logging
import talloc
+import random
# this makes debugging easier
talloc.enable_null_tracking()
if res:
ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0]
ctx.del_noerror(ctx.new_krbtgt_dn)
+
+ if ctx.subdomain:
+ binding_options = "sign"
+ lsaconn = lsa.lsarpc("ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options),
+ ctx.lp, ctx.creds)
+
+ objectAttr = lsa.ObjectAttribute()
+ objectAttr.sec_qos = lsa.QosInfo()
+
+ pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
+ objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
+
+ name = lsa.String()
+ name.string = ctx.realm
+ info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
+
+ lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
+
+ name = lsa.String()
+ name.string = ctx.domain_name
+ info = lsaconn.QueryTrustedDomainInfoByName(pol_handle, name, lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
+
+ lsaconn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
+
except Exception:
pass
expression='ncName=%s' % ctx.samdb.get_default_basedn())
return res[0]["nETBIOSName"][0]
+ def get_parent_partition_dn(ctx):
+ '''get the parent domain partition DN from parent DNS name'''
+ res = ctx.samdb.search(base=ctx.config_dn, attrs=[],
+ expression='(&(objectclass=crossRef)(dnsRoot=%s)(systemFlags:%s:=%u))' %
+ (ctx.parent_dnsdomain, ldb.OID_COMPARATOR_AND, samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN))
+ return str(res[0].dn)
+
def get_mysid(ctx):
'''get the SID of the connected user. Only works with w2k8 and later,
so only used for RODC join'''
ctr.err_data.info.extended_err))
raise RuntimeError("DsAddEntry failed")
+ def join_add_ntdsdsa(ctx):
+ '''add the ntdsdsa object'''
+ # FIXME: the partition (NC) assignment has to be made dynamic
+ print "Adding %s" % ctx.ntds_dn
+ rec = {
+ "dn" : ctx.ntds_dn,
+ "objectclass" : "nTDSDSA",
+ "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
+ "dMDLocation" : ctx.schema_dn}
+
+ if ctx.subdomain:
+ # the local subdomain NC doesn't exist at this time
+ # so we have to add the base_dn NC later
+ nc_list = [ ctx.config_dn, ctx.schema_dn ]
+ else:
+ nc_list = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
+
+ if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
+ rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
+
+ if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003 and not ctx.subdomain:
+ rec["msDS-HasDomainNCs"] = ctx.base_dn
+
+ if ctx.RODC:
+ rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
+ rec["msDS-HasFullReplicaNCs"] = nc_list
+ rec["options"] = "37"
+ ctx.samdb.add(rec, ["rodc_join:1:1"])
+ else:
+ rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
+ rec["HasMasterNCs"] = nc_list
+ if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
+ rec["msDS-HasMasterNCs"] = nc_list
+ rec["options"] = "1"
+ rec["invocationId"] = ndr_pack(misc.GUID(str(uuid.uuid4())))
+ if ctx.subdomain:
+ ctx.samdb.add(rec, ['relax:0'])
+ else:
+ ctx.DsAddEntry(rec)
+
+ # find the GUID of our NTDS DN
+ res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
+ ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
+
+
+ def join_modify_ntdsdsa(ctx):
+ '''modify the ntdsdsa object to add local partitions'''
+ print "Modifying %s using system privileges" % ctx.ntds_dn
+
+ # this works around the Enterprise Admins ACL on the NTDSDSA object
+ system_session_info = system_session()
+ ctx.samdb.set_session_info(system_session_info)
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(ctx.samdb, ctx.ntds_dn)
+ m["HasMasterNCs"] = ldb.MessageElement(ctx.base_dn, ldb.FLAG_MOD_ADD, "HasMasterNCs")
+ if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
+ m["msDS-HasDomainNCs"] = ldb.MessageElement(ctx.base_dn, ldb.FLAG_MOD_ADD, "msDS-HasDomainNCs")
+ m["msDS-HasMasterNCs"] = ldb.MessageElement(ctx.base_dn, ldb.FLAG_MOD_ADD, "msDS-HasMasterNCs")
+ ctx.samdb.modify(m, controls=['relax:0'])
+
def join_add_objects(ctx):
'''add the various objects needed for the join'''
if ctx.acct_dn:
ctx.samdb.add(rec)
- # FIXME: the partition (NC) assignment has to be made dynamic
- print "Adding %s" % ctx.ntds_dn
- rec = {
- "dn" : ctx.ntds_dn,
- "objectclass" : "nTDSDSA",
- "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE),
- "dMDLocation" : ctx.schema_dn}
-
- if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
- rec["msDS-Behavior-Version"] = str(ctx.behavior_version)
-
- if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
- rec["msDS-HasDomainNCs"] = ctx.base_dn
-
- if ctx.RODC:
- rec["objectCategory"] = "CN=NTDS-DSA-RO,%s" % ctx.schema_dn
- rec["msDS-HasFullReplicaNCs"] = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
- rec["options"] = "37"
- ctx.samdb.add(rec, ["rodc_join:1:1"])
- else:
- rec["objectCategory"] = "CN=NTDS-DSA,%s" % ctx.schema_dn
- rec["HasMasterNCs"] = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
- if ctx.behavior_version >= samba.dsdb.DS_DOMAIN_FUNCTION_2003:
- rec["msDS-HasMasterNCs"] = [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]
- rec["options"] = "1"
- rec["invocationId"] = ndr_pack(misc.GUID(str(uuid.uuid4())))
- ctx.DsAddEntry(rec)
-
if ctx.subdomain:
- print "Adding %s" % ctx.partition_dn
- rec = {
- "dn" : ctx.partition_dn,
- "objectclass" : "crossRef",
- "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN),
- "dnsRoot": ctx.dnsdomain,
- "nCName" : extended_base_dn,
- "nETBIOSName" : ctx.domain_name,
- "ntMixedDomain": str(0),
- "msDS-Behavior-Version" : str(ctx.behavior_version)}
- ctx.DsAddEntry(rec)
+ # the rest is done after replication
+ ctx.ntds_guid = None
+ return
- # find the GUID of our NTDS DN
- res = ctx.samdb.search(base=ctx.ntds_dn, scope=ldb.SCOPE_BASE, attrs=["objectGUID"])
- ctx.ntds_guid = misc.GUID(ctx.samdb.schema_format_value("objectGUID", res[0]["objectGUID"][0]))
+ ctx.join_add_ntdsdsa()
if ctx.connection_dn is not None:
print "Adding %s" % ctx.connection_dn
"userAccountControl")
ctx.samdb.modify(m)
+
+ def join_add_objects2(ctx):
+ '''add the various objects needed for the join, for subdomains post replication'''
+
+ if not ctx.subdomain:
+ return
+
+ print "Adding %s" % ctx.partition_dn
+ # NOTE: windows sends a ntSecurityDescriptor here, we
+ # let it default
+ rec = {
+ "dn" : ctx.partition_dn,
+ "objectclass" : "crossRef",
+ "objectCategory" : "CN=Cross-Ref,%s" % ctx.schema_dn,
+ "nCName" : ctx.base_dn,
+ "nETBIOSName" : ctx.domain_name,
+ "dnsRoot": ctx.dnsdomain,
+ "trustParent" : ctx.parent_partition_dn,
+ "systemFlags" : str(samba.dsdb.SYSTEM_FLAG_CR_NTDS_NC|samba.dsdb.SYSTEM_FLAG_CR_NTDS_DOMAIN)}
+ ctx.DsAddEntry(rec)
+
+
def join_provision(ctx):
'''provision the local SAM'''
configdn=ctx.config_dn,
serverdn=ctx.server_dn, domain=ctx.domain_name,
hostname=ctx.myname, domainsid=ctx.domsid,
+ domainguid=ctx.domguid,
machinepass=ctx.acct_pass, serverrole="domain controller",
sitename=ctx.site, lp=ctx.lp, ntdsguid=ctx.ntds_guid)
print "Provision OK for domain DN %s" % presult.domaindn
def join_provision_own_domain(ctx):
'''provision the local SAM'''
- print "Calling bare provision"
+ # we now operate exclusively on the local database
+ ctx.samdb = ctx.local_samdb
+
+ ctx.join_add_ntdsdsa()
+
+ print("Calling own domain provision")
logger = logging.getLogger("provision")
logger.addHandler(logging.StreamHandler(sys.stdout))
presult = provision_fill(ctx.local_samdb, secrets_ldb,
logger, ctx.names, ctx.paths, domainsid=security.dom_sid(ctx.domsid),
+ domainguid=ctx.domguid,
targetdir=ctx.targetdir, samdb_fill=FILL_SUBDOMAIN,
machinepass=ctx.acct_pass, serverrole="domain controller",
lp=ctx.lp)
- print "Provision OK for domain %s" % ctx.names.dnsdomain
+ print("Provision OK for domain %s" % ctx.names.dnsdomain)
def join_replicate(ctx):
ctx.local_samdb.transaction_start()
try:
source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id())
- destination_dsa_guid = ctx.ntds_guid
+ if ctx.ntds_guid is None:
+ destination_dsa_guid = misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID_W2K3)
+ else:
+ destination_dsa_guid = ctx.ntds_guid
if ctx.RODC:
repl_creds = Credentials()
ldb.FLAG_MOD_REPLACE, "dsServiceName")
ctx.local_samdb.modify(m)
+ if ctx.subdomain:
+ return
+
secrets_ldb = Ldb(ctx.paths.secrets, session_info=system_session(), lp=ctx.lp)
print "Setting up secrets database"
secure_channel_type=ctx.secure_channel_type,
key_version_number=ctx.key_version_number)
+ def join_setup_trusts(ctx):
+ '''provision the local SAM'''
+
+ def arcfour_encrypt(key, data):
+ from Crypto.Cipher import ARC4
+ c = ARC4.new(key)
+ return c.encrypt(data)
+
+ def string_to_array(string):
+ blob = [0] * len(string)
+
+ for i in range(len(string)):
+ blob[i] = ord(string[i])
+
+ return blob
+
+ print "Setup domain trusts with server %s" % ctx.server
+ binding_options = "" # why doesn't signing work gere? w2k8r2 claims no session key
+ lsaconn = lsa.lsarpc("ncacn_np:%s[%s]" % (ctx.server, binding_options),
+ ctx.lp, ctx.creds)
+
+ objectAttr = lsa.ObjectAttribute()
+ objectAttr.sec_qos = lsa.QosInfo()
+
+ pol_handle = lsaconn.OpenPolicy2(''.decode('utf-8'),
+ objectAttr, security.SEC_FLAG_MAXIMUM_ALLOWED)
+
+ info = lsa.TrustDomainInfoInfoEx()
+ info.domain_name.string = ctx.dnsdomain
+ info.netbios_name.string = ctx.domain_name
+ info.sid = security.dom_sid(ctx.domsid)
+ info.trust_direction = lsa.LSA_TRUST_DIRECTION_INBOUND | lsa.LSA_TRUST_DIRECTION_OUTBOUND
+ info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
+ info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_WITHIN_FOREST
+
+ try:
+ oldname = lsa.String()
+ oldname.string = ctx.dnsdomain
+ oldinfo = lsaconn.QueryTrustedDomainInfoByName(pol_handle, oldname,
+ lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO)
+ print("Removing old trust record for %s (SID %s)" % (ctx.dnsdomain, oldinfo.info_ex.sid))
+ lsaconn.DeleteTrustedDomain(pol_handle, oldinfo.info_ex.sid)
+ except RuntimeError:
+ pass
+
+ password_blob = string_to_array(ctx.trustdom_pass.encode('utf-16-le'))
+
+ clear_value = drsblobs.AuthInfoClear()
+ clear_value.size = len(password_blob)
+ clear_value.password = password_blob
+
+ clear_authentication_information = drsblobs.AuthenticationInformation()
+ clear_authentication_information.LastUpdateTime = 0
+ clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
+ clear_authentication_information.AuthInfo = clear_value
+
+ version_value = drsblobs.AuthInfoVersion()
+ version_value.version = 1
+
+ version = drsblobs.AuthenticationInformation()
+ version.LastUpdateTime = 0
+ version.AuthType = lsa.TRUST_AUTH_TYPE_VERSION
+ version.AuthInfo = version_value
+
+ authentication_information_array = drsblobs.AuthenticationInformationArray()
+ authentication_information_array.count = 2
+ authentication_information_array.array = [clear_authentication_information, version]
+
+ outgoing = drsblobs.trustAuthInOutBlob()
+ outgoing.count = 1
+ outgoing.current = authentication_information_array
+
+ trustpass = drsblobs.trustDomainPasswords()
+ confounder = [3] * 512
+
+ for i in range(512):
+ confounder[i] = random.randint(0, 255)
+
+ trustpass.confounder = confounder
+
+ trustpass.outgoing = outgoing
+ trustpass.incoming = outgoing
+
+ trustpass_blob = ndr_pack(trustpass)
+
+ encrypted_trustpass = arcfour_encrypt(lsaconn.session_key, trustpass_blob)
+
+ auth_blob = lsa.DATA_BUF2()
+ auth_blob.size = len(encrypted_trustpass)
+ auth_blob.data = string_to_array(encrypted_trustpass)
+
+ auth_info = lsa.TrustDomainInfoAuthInfoInternal()
+ auth_info.auth_blob = auth_blob
+
+ trustdom_handle = lsaconn.CreateTrustedDomainEx2(pol_handle,
+ info,
+ auth_info,
+ security.SEC_STD_DELETE)
+
+ rec = {
+ "dn" : "cn=%s,cn=system,%s" % (ctx.parent_dnsdomain, ctx.base_dn),
+ "objectclass" : "trustedDomain",
+ "trustType" : str(info.trust_type),
+ "trustAttributes" : str(info.trust_attributes),
+ "trustDirection" : str(info.trust_direction),
+ "flatname" : ctx.parent_domain_name,
+ "trustPartner" : ctx.parent_dnsdomain,
+ "trustAuthIncoming" : ndr_pack(outgoing),
+ "trustAuthOutgoing" : ndr_pack(outgoing)
+ }
+ ctx.local_samdb.add(rec)
+
+ rec = {
+ "dn" : "cn=%s$,cn=users,%s" % (ctx.parent_domain_name, ctx.base_dn),
+ "objectclass" : "user",
+ "userAccountControl" : str(samba.dsdb.UF_INTERDOMAIN_TRUST_ACCOUNT),
+ "clearTextPassword" : ctx.trustdom_pass.encode('utf-16-le')
+ }
+ ctx.local_samdb.add(rec)
+
+
def do_join(ctx):
ctx.cleanup_old_join()
try:
ctx.join_add_objects()
ctx.join_provision()
ctx.join_replicate()
+ ctx.join_add_objects2()
if ctx.subdomain:
ctx.join_provision_own_domain()
- else:
- ctx.join_finalise()
+ ctx.join_setup_trusts()
+ ctx.join_modify_ntdsdsa()
+ ctx.join_finalise()
except Exception:
print "Join failed - cleaning up"
- ctx.cleanup_old_join()
+ #ctx.cleanup_old_join()
raise
"""join as a DC"""
ctx = dc_join(server, creds, lp, site, netbios_name, targetdir, parent_domain)
ctx.subdomain = True
+ ctx.parent_domain_name = ctx.domain_name
ctx.domain_name = netbios_domain
ctx.realm = dnsdomain
+ ctx.parent_dnsdomain = ctx.dnsdomain
+ ctx.parent_partition_dn = ctx.get_parent_partition_dn()
ctx.dnsdomain = dnsdomain
ctx.partition_dn = "CN=%s,CN=Partitions,%s" % (ctx.domain_name, ctx.config_dn)
ctx.base_dn = samba.dn_from_dns_name(dnsdomain)
ctx.domsid = str(security.random_sid())
+ ctx.domguid = str(uuid.uuid4())
ctx.acct_dn = None
ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain)
+ ctx.trustdom_pass = samba.generate_random_password(32, 40)
ctx.userAccountControl = samba.dsdb.UF_SERVER_TRUST_ACCOUNT | samba.dsdb.UF_TRUSTED_FOR_DELEGATION
git.samba.org / nivanova / samba-autobuild / .git / commitdiff