Move python modules from source4/scripting/python/ to python/.

Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Sat Mar  2 03:57:34 CET 2013 on sn-devel-104

1 files changed, 255 insertions, 0 deletions

diff --git a/python/samba/drs_utils.py b/python/samba/drs_utils.py
new file mode 100644
index 0000000000..6e2cfea9ab
--- /dev/null
+++ b/python/samba/drs_utils.py
@@ -0,0 +1,255 @@
+# DRS utility code
+#
+# Copyright Andrew Tridgell 2010
+# Copyright Andrew Bartlett 2010
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+from samba.dcerpc import drsuapi, misc
+from samba.net import Net
+import samba, ldb
+
+
+class drsException(Exception):
+    """Base element for drs errors"""
+
+    def __init__(self, value):
+        self.value = value
+
+    def __str__(self):
+        return "drsException: " + self.value
+
+
+def drsuapi_connect(server, lp, creds):
+    """Make a DRSUAPI connection to the server.
+
+    :param server: the name of the server to connect to
+    :param lp: a samba line parameter object
+    :param creds: credential used for the connection
+    :return: A tuple with the drsuapi bind object, the drsuapi handle
+                and the supported extensions.
+    :raise drsException: if the connection fails
+    """
+
+    binding_options = "seal"
+    if int(lp.get("log level")) >= 5:
+        binding_options += ",print"
+    binding_string = "ncacn_ip_tcp:%s[%s]" % (server, binding_options)
+    try:
+        drsuapiBind = drsuapi.drsuapi(binding_string, lp, creds)
+        (drsuapiHandle, bindSupportedExtensions) = drs_DsBind(drsuapiBind)
+    except Exception, e:
+        raise drsException("DRS connection to %s failed: %s" % (server, e))
+
+    return (drsuapiBind, drsuapiHandle, bindSupportedExtensions)
+
+
+def sendDsReplicaSync(drsuapiBind, drsuapi_handle, source_dsa_guid,
+        naming_context, req_option):
+    """Send DS replica sync request.
+
+    :param drsuapiBind: a drsuapi Bind object
+    :param drsuapi_handle: a drsuapi hanle on the drsuapi connection
+    :param source_dsa_guid: the guid of the source dsa for the replication
+    :param naming_context: the DN of the naming context to replicate
+    :param req_options: replication options for the DsReplicaSync call
+    :raise drsException: if any error occur while sending and receiving the
+        reply for the dsReplicaSync
+    """
+
+    nc = drsuapi.DsReplicaObjectIdentifier()
+    nc.dn = naming_context
+
+    req1 = drsuapi.DsReplicaSyncRequest1()
+    req1.naming_context = nc;
+    req1.options = req_option
+    req1.source_dsa_guid = misc.GUID(source_dsa_guid)
+
+    try:
+        drsuapiBind.DsReplicaSync(drsuapi_handle, 1, req1)
+    except Exception, estr:
+        raise drsException("DsReplicaSync failed %s" % estr)
+
+
+def sendRemoveDsServer(drsuapiBind, drsuapi_handle, server_dsa_dn, domain):
+    """Send RemoveDSServer request.
+
+    :param drsuapiBind: a drsuapi Bind object
+    :param drsuapi_handle: a drsuapi hanle on the drsuapi connection
+    :param server_dsa_dn: a DN object of the server's dsa that we want to
+        demote
+    :param domain: a DN object of the server's domain
+    :raise drsException: if any error occur while sending and receiving the
+        reply for the DsRemoveDSServer
+    """
+
+    try:
+        req1 = drsuapi.DsRemoveDSServerRequest1()
+        req1.server_dn = str(server_dsa_dn)
+        req1.domain_dn = str(domain)
+        req1.commit = 1
+
+        drsuapiBind.DsRemoveDSServer(drsuapi_handle, 1, req1)
+    except Exception, estr:
+        raise drsException("DsRemoveDSServer failed %s" % estr)
+
+
+def drs_DsBind(drs):
+    '''make a DsBind call, returning the binding handle'''
+    bind_info = drsuapi.DsBindInfoCtr()
+    bind_info.length = 28
+    bind_info.info = drsuapi.DsBindInfo28()
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_BASE
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7
+    bind_info.info.supported_extensions |= drsuapi.DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT
+    (info, handle) = drs.DsBind(misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID), bind_info)
+
+    return (handle, info.info.supported_extensions)
+
+
+class drs_Replicate(object):
+    '''DRS replication calls'''
+
+    def __init__(self, binding_string, lp, creds, samdb):
+        self.drs = drsuapi.drsuapi(binding_string, lp, creds)
+        (self.drs_handle, self.supported_extensions) = drs_DsBind(self.drs)
+        self.net = Net(creds=creds, lp=lp)
+        self.samdb = samdb
+        self.replication_state = self.net.replicate_init(self.samdb, lp, self.drs)
+
+    def drs_get_rodc_partial_attribute_set(self):
+        '''get a list of attributes for RODC replication'''
+        partial_attribute_set = drsuapi.DsPartialAttributeSet()
+        partial_attribute_set.version = 1
+
+        attids = []
+
+        # the exact list of attids we send is quite critical. Note that
+        # we do ask for the secret attributes, but set SPECIAL_SECRET_PROCESSING
+        # to zero them out
+        schema_dn = self.samdb.get_schema_basedn()
+        res = self.samdb.search(base=schema_dn, scope=ldb.SCOPE_SUBTREE,
+                                      expression="objectClass=attributeSchema",
+                                      attrs=["lDAPDisplayName", "systemFlags",
+                                             "searchFlags"])
+
+        for r in res:
+            ldap_display_name = r["lDAPDisplayName"][0]
+            if "systemFlags" in r:
+                system_flags      = r["systemFlags"][0]
+                if (int(system_flags) & (samba.dsdb.DS_FLAG_ATTR_NOT_REPLICATED |
+                                         samba.dsdb.DS_FLAG_ATTR_IS_CONSTRUCTED)):
+                    continue
+            if "searchFlags" in r:
+                search_flags = r["searchFlags"][0]
+                if (int(search_flags) & samba.dsdb.SEARCH_FLAG_RODC_ATTRIBUTE):
+                    continue
+            attid = self.samdb.get_attid_from_lDAPDisplayName(ldap_display_name)
+            attids.append(int(attid))
+
+        # the attids do need to be sorted, or windows doesn't return
+        # all the attributes we need
+        attids.sort()
+        partial_attribute_set.attids         = attids
+        partial_attribute_set.num_attids = len(attids)
+        return partial_attribute_set
+
+    def replicate(self, dn, source_dsa_invocation_id, destination_dsa_guid,
+                  schema=False, exop=drsuapi.DRSUAPI_EXOP_NONE, rodc=False,
+                  replica_flags=None):
+        '''replicate a single DN'''
+
+        # setup for a GetNCChanges call
+        req8 = drsuapi.DsGetNCChangesRequest8()
+
+        req8.destination_dsa_guid           = destination_dsa_guid
+        req8.source_dsa_invocation_id       = source_dsa_invocation_id
+        req8.naming_context                 = drsuapi.DsReplicaObjectIdentifier()
+        req8.naming_context.dn              = dn
+        req8.highwatermark                  = drsuapi.DsReplicaHighWaterMark()
+        req8.highwatermark.tmp_highest_usn  = 0
+        req8.highwatermark.reserved_usn     = 0
+        req8.highwatermark.highest_usn      = 0
+        req8.uptodateness_vector            = None
+        if replica_flags is not None:
+            req8.replica_flags = replica_flags
+        elif exop == drsuapi.DRSUAPI_EXOP_REPL_SECRET:
+            req8.replica_flags              = 0
+        else:
+            req8.replica_flags              = (drsuapi.DRSUAPI_DRS_INIT_SYNC |
+                                               drsuapi.DRSUAPI_DRS_PER_SYNC |
+                                               drsuapi.DRSUAPI_DRS_GET_ANC |
+                                               drsuapi.DRSUAPI_DRS_NEVER_SYNCED)
+            if rodc:
+                req8.replica_flags |= drsuapi.DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING
+            else:
+                req8.replica_flags |= drsuapi.DRSUAPI_DRS_WRIT_REP
+        req8.max_object_count = 402
+        req8.max_ndr_size = 402116
+        req8.extended_op = exop
+        req8.fsmo_info = 0
+        req8.partial_attribute_set = None
+        req8.partial_attribute_set_ex = None
+        req8.mapping_ctr.num_mappings = 0
+        req8.mapping_ctr.mappings = None
+
+        if not schema and rodc:
+            req8.partial_attribute_set = self.drs_get_rodc_partial_attribute_set()
+
+        if self.supported_extensions & drsuapi.DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8:
+            req_level = 8
+            req = req8
+        else:
+            req_level = 5
+            req5 = drsuapi.DsGetNCChangesRequest5()
+            for a in dir(req5):
+                if a[0] != '_':
+                    setattr(req5, a, getattr(req8, a))
+            req = req5
+
+        while True:
+            (level, ctr) = self.drs.DsGetNCChanges(self.drs_handle, req_level, req)
+            if ctr.first_object is None and ctr.object_count != 0:
+                raise RuntimeError("DsGetNCChanges: NULL first_object with object_count=%u" % (ctr.object_count))
+            self.net.replicate_chunk(self.replication_state, level, ctr,
+                schema=schema, req_level=req_level, req=req)
+            if ctr.more_data == 0:
+                break
+            req.highwatermark = ctr.new_highwatermark