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155 lines
7.8 KiB
Python
155 lines
7.8 KiB
Python
#!/usr/bin/env python
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#
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# DRS utility code
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#
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# Copyright Andrew Tridgell 2010
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# Copyright Andrew Bartlett 2010
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from samba.dcerpc import drsuapi, misc
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from samba.net import Net
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import samba, ldb
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def drs_DsBind(drs):
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'''make a DsBind call, returning the binding handle'''
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bind_info = drsuapi.DsBindInfoCtr()
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bind_info.length = 28
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bind_info.info = drsuapi.DsBindInfo28()
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_BASE;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
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bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
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(info, handle) = drs.DsBind(misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID), bind_info)
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return handle
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class drs_Replicate:
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'''DRS replication calls'''
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def __init__(self, binding_string, lp, creds, samdb):
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self.drs = drsuapi.drsuapi(binding_string, lp, creds)
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self.drs_handle = drs_DsBind(self.drs)
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self.net = Net(creds=creds, lp=lp)
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self.samdb = samdb
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self.replication_state = self.net.replicate_init(self.samdb, lp, self.drs)
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def drs_get_rodc_partial_attribute_set(self):
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'''get a list of attributes for RODC replication'''
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partial_attribute_set = drsuapi.DsPartialAttributeSet()
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partial_attribute_set.version = 1
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attids = []
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# the exact list of attids we send is quite critical. Note that
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# we do ask for the secret attributes, but set set SPECIAL_SECRET_PROCESSING
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# to zero them out
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schema_dn = self.samdb.get_schema_basedn()
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res = self.samdb.search(base=schema_dn, scope=ldb.SCOPE_SUBTREE,
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expression="objectClass=attributeSchema",
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attrs=["lDAPDisplayName", "systemFlags",
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"searchFlags"])
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for r in res:
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ldap_display_name = r["lDAPDisplayName"][0]
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if "systemFlags" in r:
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system_flags = r["systemFlags"][0]
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if (int(system_flags) & (samba.dsdb.DS_FLAG_ATTR_NOT_REPLICATED |
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samba.dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED)):
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continue
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if "searchFlags" in r:
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search_flags = r["searchFlags"][0]
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if (int(search_flags) & samba.dsdb.SEARCH_FLAG_RODC_ATTRIBUTE):
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continue
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attid = self.samdb.get_attid_from_lDAPDisplayName(ldap_display_name)
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attids.append(int(attid))
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# the attids do need to be sorted, or windows doesn't return
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# all the attributes we need
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attids.sort()
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partial_attribute_set.attids = attids
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partial_attribute_set.num_attids = len(attids)
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return partial_attribute_set
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def replicate(self, dn, source_dsa_invocation_id, destination_dsa_guid,
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schema=False, exop=drsuapi.DRSUAPI_EXOP_NONE):
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'''replicate a single DN'''
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# setup for a GetNCChanges call
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req8 = drsuapi.DsGetNCChangesRequest8()
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req8.destination_dsa_guid = destination_dsa_guid
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req8.source_dsa_invocation_id = source_dsa_invocation_id
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req8.naming_context = drsuapi.DsReplicaObjectIdentifier()
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req8.naming_context.dn = dn
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req8.highwatermark = drsuapi.DsReplicaHighWaterMark()
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req8.highwatermark.tmp_highest_usn = 0
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req8.highwatermark.reserved_usn = 0
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req8.highwatermark.highest_usn = 0
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req8.uptodateness_vector = None
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if exop == drsuapi.DRSUAPI_EXOP_REPL_SECRET:
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req8.replica_flags = 0
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else:
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req8.replica_flags = (drsuapi.DRSUAPI_DRS_INIT_SYNC |
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drsuapi.DRSUAPI_DRS_PER_SYNC |
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drsuapi.DRSUAPI_DRS_GET_ANC |
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drsuapi.DRSUAPI_DRS_NEVER_SYNCED |
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drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING)
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req8.max_object_count = 402
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req8.max_ndr_size = 402116
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req8.extended_op = exop
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req8.fsmo_info = 0
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req8.partial_attribute_set = None
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req8.partial_attribute_set_ex = None
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req8.mapping_ctr.num_mappings = 0
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req8.mapping_ctr.mappings = None
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if not schema:
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req8.partial_attribute_set = self.drs_get_rodc_partial_attribute_set()
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while True:
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(level, ctr) = self.drs.DsGetNCChanges(self.drs_handle, 8, req8)
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self.net.replicate_chunk(self.replication_state, level, ctr, schema=schema)
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if ctr.more_data == 0:
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break
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req8.highwatermark.tmp_highest_usn = ctr.new_highwatermark.tmp_highest_usn
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