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b87c3703cf
Small optimisation: we don't need to look for "nTDSDSARO" since it's a subclass of "ntDSDSA". Autobuild-User: Matthias Dieter Wallnöfer <mdw@samba.org> Autobuild-Date: Sat Nov 27 23:35:13 CET 2010 on sn-devel-104
403 lines
16 KiB
Python
403 lines
16 KiB
Python
#!/usr/bin/env python
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#
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# implement samba_tool drs commands
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#
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# Copyright Andrew Tridgell 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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import samba.getopt as options
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import ldb
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from samba.auth import system_session
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from samba.netcmd import (
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Command,
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CommandError,
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Option,
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SuperCommand,
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)
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from samba.samdb import SamDB
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from samba import drs_utils, nttime2string, dsdb
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from samba.dcerpc import drsuapi, misc
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def drsuapi_connect(ctx):
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'''make a DRSUAPI connection to the server'''
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binding_options = "seal"
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if ctx.lp.get("log level") >= 5:
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binding_options += ",print"
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binding_string = "ncacn_ip_tcp:%s[%s]" % (ctx.server, binding_options)
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try:
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ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
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(ctx.drsuapi_handle, ctx.bind_supported_extensions) = drs_utils.drs_DsBind(ctx.drsuapi)
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except Exception, estr:
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raise CommandError("DRS connection to %s failed - %s" % (ctx.server, estr))
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def samdb_connect(ctx):
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'''make a ldap connection to the server'''
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try:
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ctx.samdb = SamDB(url="ldap://%s" % ctx.server,
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session_info=system_session(),
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credentials=ctx.creds, lp=ctx.lp)
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except Exception, estr:
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raise CommandError("LDAP connection to %s failed - %s" % (ctx.server, estr))
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def drs_errmsg(werr):
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'''return "was successful" or an error string'''
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(ecode, estring) = werr
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if ecode == 0:
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return "was successful"
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return "failed, result %u (%s)" % (ecode, estring)
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def attr_default(msg, attrname, default):
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'''get an attribute from a ldap msg with a default'''
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if attrname in msg:
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return msg[attrname][0]
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return default
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def drs_parse_ntds_dn(ntds_dn):
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'''parse a NTDS DN returning a site and server'''
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a = ntds_dn.split(',')
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if a[0] != "CN=NTDS Settings" or a[2] != "CN=Servers" or a[4] != 'CN=Sites':
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raise RuntimeError("bad NTDS DN %s" % ntds_dn)
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server = a[1].split('=')[1]
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site = a[3].split('=')[1]
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return (site, server)
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class cmd_drs_showrepl(Command):
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"""show replication status"""
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synopsis = "%prog drs showrepl <DC>"
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takes_optiongroups = {
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"sambaopts": options.SambaOptions,
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"versionopts": options.VersionOptions,
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"credopts": options.CredentialsOptions,
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}
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takes_args = ["DC"]
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def print_neighbour(self, n):
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'''print one set of neighbour information'''
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(site, server) = drs_parse_ntds_dn(n.source_dsa_obj_dn)
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print("%s" % n.naming_context_dn)
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print("\t%s\%s via RPC" % (site, server))
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print("\t\tDSA object GUID: %s" % n.source_dsa_obj_guid)
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print("\t\tLast attempt @ %s %s" % (nttime2string(n.last_attempt), drs_errmsg(n.result_last_attempt)))
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print("\t\t%u consecutive failure(s)." % n.consecutive_sync_failures)
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print("\t\tLast success @ %s" % nttime2string(n.last_success))
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print("")
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def get_dsServiceName(ctx):
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'''get the NTDS DN from the rootDSE'''
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res = ctx.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
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return res[0]["dsServiceName"][0]
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def drsuapi_ReplicaInfo(ctx, info_type):
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'''call a DsReplicaInfo'''
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req1 = drsuapi.DsReplicaGetInfoRequest1()
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req1.info_type = info_type
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try:
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(info_type, info) = ctx.drsuapi.DsReplicaGetInfo(ctx.drsuapi_handle, 1, req1)
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except Exception, estr:
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raise CommandError("DsReplicaGetInfo failed : %s" % estr)
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return (info_type, info)
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def run(self, DC, sambaopts=None,
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credopts=None, versionopts=None, server=None):
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self.server = DC
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self.lp = sambaopts.get_loadparm()
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self.creds = credopts.get_credentials(self.lp)
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if not self.creds.authentication_requested():
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self.creds.set_machine_account(self.lp)
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drsuapi_connect(self)
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samdb_connect(self)
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# show domain information
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ntds_dn = self.get_dsServiceName()
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server_dns = self.samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"])[0]['dnsHostName'][0]
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(site, server) = drs_parse_ntds_dn(ntds_dn)
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ntds = self.samdb.search(base=ntds_dn, scope=ldb.SCOPE_BASE, attrs=['options', 'objectGUID', 'invocationId'])
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conn = self.samdb.search(base=ntds_dn, expression="(objectClass=nTDSConnection)")
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print("%s\\%s" % (site, server))
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print("DSA Options: 0x%08x" % int(ntds[0]["options"][0]))
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print("DSA object GUID: %s" % self.samdb.schema_format_value("objectGUID", ntds[0]["objectGUID"][0]))
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print("DSA invocationId: %s\n" % self.samdb.schema_format_value("objectGUID", ntds[0]["invocationId"][0]))
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print("==== INBOUND NEIGHBORS ====\n")
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(info_type, info) = self.drsuapi_ReplicaInfo(drsuapi.DRSUAPI_DS_REPLICA_INFO_NEIGHBORS)
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for n in info.array:
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self.print_neighbour(n)
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print("==== OUTBOUND NEIGHBORS ====\n")
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(info_type, info) = self.drsuapi_ReplicaInfo(drsuapi.DRSUAPI_DS_REPLICA_INFO_REPSTO)
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for n in info.array:
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self.print_neighbour(n)
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reasons = ['NTDSCONN_KCC_GC_TOPOLOGY',
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'NTDSCONN_KCC_RING_TOPOLOGY',
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'NTDSCONN_KCC_MINIMIZE_HOPS_TOPOLOGY',
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'NTDSCONN_KCC_STALE_SERVERS_TOPOLOGY',
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'NTDSCONN_KCC_OSCILLATING_CONNECTION_TOPOLOGY',
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'NTDSCONN_KCC_INTERSITE_GC_TOPOLOGY',
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'NTDSCONN_KCC_INTERSITE_TOPOLOGY',
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'NTDSCONN_KCC_SERVER_FAILOVER_TOPOLOGY',
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'NTDSCONN_KCC_SITE_FAILOVER_TOPOLOGY',
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'NTDSCONN_KCC_REDUNDANT_SERVER_TOPOLOGY']
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print("==== KCC CONNECTION OBJECTS ====\n")
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for c in conn:
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print("Connection --")
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print("\tConnection name: %s" % c['name'][0])
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print("\tEnabled : %s" % attr_default(c, 'enabledConnection', 'TRUE'))
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print("\tServer DNS name : %s" % server_dns)
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print("\tServer DN name : %s" % c['fromServer'][0])
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print("\t\tTransportType: RPC")
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print("\t\toptions: 0x%08X" % int(attr_default(c, 'options', 0)))
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if not 'mS-DS-ReplicatesNCReason' in c:
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print("Warning: No NC replicated for Connection!")
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continue
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for r in c['mS-DS-ReplicatesNCReason']:
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a = str(r).split(':')
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print("\t\tReplicatesNC: %s" % a[3])
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print("\t\tReason: 0x%08x" % int(a[2]))
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for s in reasons:
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if getattr(dsdb, s, 0) & int(a[2]):
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print("\t\t\t%s" % s)
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class cmd_drs_kcc(Command):
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"""trigger knowledge consistency center run"""
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synopsis = "%prog drs kcc <DC>"
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takes_optiongroups = {
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"sambaopts": options.SambaOptions,
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"versionopts": options.VersionOptions,
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"credopts": options.CredentialsOptions,
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}
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takes_args = ["DC"]
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def run(self, DC, sambaopts=None,
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credopts=None, versionopts=None, server=None):
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self.server = DC
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self.lp = sambaopts.get_loadparm()
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self.creds = credopts.get_credentials(self.lp)
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if not self.creds.authentication_requested():
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self.creds.set_machine_account(self.lp)
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drsuapi_connect(self)
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req1 = drsuapi.DsExecuteKCC1()
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try:
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self.drsuapi.DsExecuteKCC(self.drsuapi_handle, 1, req1)
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except Exception, (ecode, estr):
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raise CommandError("DsExecuteKCC failed - %s" % estr)
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print("Consistency check on %s successful." % DC)
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class cmd_drs_replicate(Command):
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"""replicate a naming context between two DCs"""
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synopsis = "%prog drs replicate <DEST_DC> <SOURCE_DC> <NC>"
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takes_optiongroups = {
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"sambaopts": options.SambaOptions,
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"versionopts": options.VersionOptions,
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"credopts": options.CredentialsOptions,
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}
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takes_args = ["DEST_DC", "SOURCE_DC", "NC"]
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takes_options = [
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Option("--add-ref", help="use ADD_REF to add to repsTo on source", action="store_true"),
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]
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def run(self, DEST_DC, SOURCE_DC, NC, add_ref=False,
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sambaopts=None,
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credopts=None, versionopts=None, server=None):
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self.server = DEST_DC
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self.lp = sambaopts.get_loadparm()
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self.creds = credopts.get_credentials(self.lp)
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if not self.creds.authentication_requested():
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self.creds.set_machine_account(self.lp)
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drsuapi_connect(self)
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samdb_connect(self)
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# we need to find the NTDS GUID of the source DC
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msg = self.samdb.search(base=self.samdb.get_config_basedn(),
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expression="(&(objectClass=server)(|(name=%s)(dNSHostName=%s)))" % (SOURCE_DC,
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SOURCE_DC),
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attrs=[])
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if len(msg) == 0:
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raise CommandError("Failed to find source DC %s" % SOURCE_DC)
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server_dn = msg[0]['dn']
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msg = self.samdb.search(base=server_dn, scope=ldb.SCOPE_ONELEVEL,
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expression="(objectClass=nTDSDSA)",
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attrs=['objectGUID', 'options'])
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if len(msg) == 0:
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raise CommandError("Failed to find source NTDS DN %s" % SOURCE_DC)
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source_dsa_guid = msg[0]['objectGUID'][0]
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options = int(attr_default(msg, 'options', 0))
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nc = drsuapi.DsReplicaObjectIdentifier()
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nc.dn = NC
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req1 = drsuapi.DsReplicaSyncRequest1()
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req1.naming_context = nc;
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req1.options = 0
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if not (options & dsdb.DS_NTDSDSA_OPT_DISABLE_OUTBOUND_REPL):
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req1.options |= drsuapi.DRSUAPI_DRS_WRIT_REP
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if add_ref:
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req1.options |= drsuapi.DRSUAPI_DRS_ADD_REF
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req1.source_dsa_guid = misc.GUID(source_dsa_guid)
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try:
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self.drsuapi.DsReplicaSync(self.drsuapi_handle, 1, req1)
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except Exception, (ecode, estr):
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raise CommandError("DsReplicaSync failed - %s" % estr)
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print("Replicate from %s to %s was successful." % (SOURCE_DC, DEST_DC))
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class cmd_drs_bind(Command):
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"""show DRS capabilities of a server"""
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synopsis = "%prog drs bind <DC>"
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takes_optiongroups = {
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"sambaopts": options.SambaOptions,
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"versionopts": options.VersionOptions,
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"credopts": options.CredentialsOptions,
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}
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takes_args = ["DC"]
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def run(self, DC, sambaopts=None,
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credopts=None, versionopts=None, server=None):
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self.server = DC
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self.lp = sambaopts.get_loadparm()
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self.creds = credopts.get_credentials(self.lp)
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if not self.creds.authentication_requested():
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self.creds.set_machine_account(self.lp)
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drsuapi_connect(self)
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samdb_connect(self)
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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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(info, handle) = self.drsuapi.DsBind(misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID), bind_info)
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optmap = [
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("DRSUAPI_SUPPORTED_EXTENSION_BASE" , "DRS_EXT_BASE"),
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("DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION" , "DRS_EXT_ASYNCREPL"),
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("DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI" , "DRS_EXT_REMOVEAPI"),
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("DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2" , "DRS_EXT_MOVEREQ_V2"),
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("DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS" , "DRS_EXT_GETCHG_DEFLATE"),
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("DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1" , "DRS_EXT_DCINFO_V1"),
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("DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION" , "DRS_EXT_RESTORE_USN_OPTIMIZATION"),
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("DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY" , "DRS_EXT_ADDENTRY"),
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("DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE" , "DRS_EXT_KCC_EXECUTE"),
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("DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2" , "DRS_EXT_ADDENTRY_V2"),
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("DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION" , "DRS_EXT_LINKED_VALUE_REPLICATION"),
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("DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2" , "DRS_EXT_DCINFO_V2"),
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("DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD","DRS_EXT_INSTANCE_TYPE_NOT_REQ_ON_MOD"),
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("DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND" , "DRS_EXT_CRYPTO_BIND"),
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("DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO" , "DRS_EXT_GET_REPL_INFO"),
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("DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION" , "DRS_EXT_STRONG_ENCRYPTION"),
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("DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01" , "DRS_EXT_DCINFO_VFFFFFFFF"),
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("DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP" , "DRS_EXT_TRANSITIVE_MEMBERSHIP"),
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("DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY" , "DRS_EXT_ADD_SID_HISTORY"),
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("DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3" , "DRS_EXT_POST_BETA3"),
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("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V5" , "DRS_EXT_GETCHGREQ_V5"),
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("DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2" , "DRS_EXT_GETMEMBERSHIPS2"),
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("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6" , "DRS_EXT_GETCHGREQ_V6"),
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("DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS" , "DRS_EXT_NONDOMAIN_NCS"),
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("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8" , "DRS_EXT_GETCHGREQ_V8"),
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("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5" , "DRS_EXT_GETCHGREPLY_V5"),
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("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6" , "DRS_EXT_GETCHGREPLY_V6"),
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("DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3" , "DRS_EXT_WHISTLER_BETA3"),
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("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7" , "DRS_EXT_WHISTLER_BETA3"),
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("DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT" , "DRS_EXT_WHISTLER_BETA3"),
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("DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS" , "DRS_EXT_W2K3_DEFLATE"),
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("DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V10" , "DRS_EXT_GETCHGREQ_V10"),
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("DRSUAPI_SUPPORTED_EXTENSION_RESERVED_PART2" , "DRS_EXT_RESERVED_FOR_WIN2K_OR_DOTNET_PART2"),
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("DRSUAPI_SUPPORTED_EXTENSION_RESERVED_PART3" , "DRS_EXT_RESERVED_FOR_WIN2K_OR_DOTNET_PART3")
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]
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optmap_ext = [
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("DRSUAPI_SUPPORTED_EXTENSION_ADAM", "DRS_EXT_ADAM"),
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("DRSUAPI_SUPPORTED_EXTENSION_LH_BETA2", "DRS_EXT_LH_BETA2"),
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("DRSUAPI_SUPPORTED_EXTENSION_RECYCLE_BIN", "DRS_EXT_RECYCLE_BIN")]
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print("Bind to %s succeeded." % DC)
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print("Extensions supported:")
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for (opt, str) in optmap:
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optval = getattr(drsuapi, opt, 0)
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if info.info.supported_extensions & optval:
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yesno = "Yes"
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else:
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yesno = "No "
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print(" %-60s: %s (%s)" % (opt, yesno, str))
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if isinstance(info.info, drsuapi.DsBindInfo48):
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print("\nExtended Extensions supported:")
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for (opt, str) in optmap_ext:
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optval = getattr(drsuapi, opt, 0)
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if info.info.supported_extensions_ext & optval:
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yesno = "Yes"
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else:
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yesno = "No "
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print(" %-60s: %s (%s)" % (opt, yesno, str))
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print("\nSite GUID: %s" % info.info.site_guid)
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print("Repl epoch: %u" % info.info.repl_epoch)
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if isinstance(info.info, drsuapi.DsBindInfo48):
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print("Forest GUID: %s" % info.info.config_dn_guid)
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class cmd_drs(SuperCommand):
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"""DRS commands"""
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subcommands = {}
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subcommands["bind"] = cmd_drs_bind()
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subcommands["kcc"] = cmd_drs_kcc()
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subcommands["replicate"] = cmd_drs_replicate()
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subcommands["showrepl"] = cmd_drs_showrepl()
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