diff options
Diffstat (limited to 'source4/scripting')
| -rw-r--r-- | source4/scripting/python/samba/join.py | 289 | ||||
| -rw-r--r-- | source4/scripting/python/samba/netcmd/join.py | 28 | 
2 files changed, 311 insertions, 6 deletions
diff --git a/source4/scripting/python/samba/join.py b/source4/scripting/python/samba/join.py new file mode 100644 index 0000000000..6eda582769 --- /dev/null +++ b/source4/scripting/python/samba/join.py @@ -0,0 +1,289 @@ +#!/usr/bin/env python +# +# python join 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/>. +# + +import samba.getopt as options +from samba.auth import system_session +from samba.samdb import SamDB +from samba import gensec +import ldb, samba +from samba.ndr import ndr_pack, ndr_unpack, ndr_print +from samba.dcerpc import security +from samba.dcerpc import drsuapi, misc, netlogon +from samba.credentials import Credentials, DONT_USE_KERBEROS +from samba.provision import secretsdb_self_join + +def join_rodc(server=None, creds=None, lp=None, site=None, netbios_name=None): +    """join as a RODC""" + +    if server is None: +        raise Exception("You must supply a server for a RODC join") + +    def del_noerror(samdb, dn): +        try: +            samdb.delete(dn) +            print "Deleted %s" % dn +        except: +            pass + +    def cleanup_old_join(samdb, acct_dn, server_dn, ntds_dn, +                         krbtgt_dn, connection_dn, topology_dn): +        try: +            # find the krbtgt link +            res = samdb.search(base=acct_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-krbTgtLink"]) +            del_noerror(samdb, acct_dn) +            del_noerror(samdb, connection_dn) +            del_noerror(samdb, krbtgt_dn) +            del_noerror(samdb, ntds_dn) +            del_noerror(samdb, server_dn) +            del_noerror(samdb, topology_dn) +            new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0] +            del_noerror(samdb, new_krbtgt_dn) +        except: +            pass + +    def get_dsServiceName(samdb): +        res = samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dsServiceName"]) +        return res[0]["dsServiceName"][0] + +    def get_dnsHostName(samdb): +        res = samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dnsHostName"]) +        return res[0]["dnsHostName"][0] + +    def get_mysid(samdb): +        res = samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["tokenGroups"]) +        binsid = res[0]["tokenGroups"][0] +        return samdb.schema_format_value("objectSID", binsid) + +    def do_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 + + +    creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL) + +    samdb = SamDB(url="ldap://%s" % server, +                  session_info=system_session(), +                  credentials=creds, lp=lp) + +    myname = netbios_name +    samname = "%s$" % myname +    base_dn = str(samdb.get_default_basedn()) +    domsid = samdb.get_domain_sid() +    dc_ntds_dn = get_dsServiceName(samdb) +    dc_dnsHostName = get_dnsHostName(samdb) +    acct_pass = samba.generate_random_password(12, 32) +    mysid = get_mysid(samdb) + +    # work out the DNs of all the objects we will be adding +    admin_dn = "<SID=%s>" % mysid +    krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (myname, base_dn) +    server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (myname, site, samdb.get_config_basedn()) +    ntds_dn = "CN=NTDS Settings,%s" % server_dn +    connection_dn = "CN=RODC Connection (FRS),%s" % ntds_dn +    topology_dn = "CN=%s,CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % (myname, base_dn) + +    never_reveal_sid = "%s-572" % domsid; +    reveal_sid = "%s-571" % domsid; + +    dnsdomain = ldb.Dn(samdb, base_dn).canonical_str().split('/')[0] +    dnshostname = "%s.%s" % (myname, dnsdomain) + +    acct_dn = "CN=%s,OU=Domain Controllers,%s" % (myname, base_dn) + +    cleanup_old_join(samdb, acct_dn, server_dn, ntds_dn, +                          krbtgt_dn, connection_dn, topology_dn) + +    print "Adding %s" % acct_dn +    rec = { +        "dn" : acct_dn, +        "objectClass": "computer", +        "displayname": samname, +        "samaccountname" : samname, +        "useraccountcontrol" : "83890176", +        "managedby" : admin_dn, +        "dnshostname" : dnshostname, +        "msDS-NeverRevealGroup" : "<SID=%s>" % never_reveal_sid, +        "msDS-RevealOnDemandGroup" : "<SID=%s>" % reveal_sid} +    samdb.add(rec) + +    print "Adding %s" % krbtgt_dn +    rec = { +        "dn" : krbtgt_dn, +        "objectclass" : "user", +        "useraccountcontrol" : "514", +        "showinadvancedviewonly" : "TRUE", +        "description" : "tricky account"} +    samdb.add(rec, ["rodc_join:1:1"]) + +    # now we need to search for the samAccountName attribute on the krbtgt DN, +    # as this will have been magically set to the krbtgt number +    res = samdb.search(base=krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"]) +    krbtgt_name = res[0]["samAccountName"][0] + +    print "Got krbtgt_name=%s" % krbtgt_name + +    m = ldb.Message() +    m.dn = ldb.Dn(samdb, acct_dn) +    m["msDS-krbTgtLink"] = ldb.MessageElement(krbtgt_dn, +                                              ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink") +    samdb.modify(m) + +    new_krbtgt_dn = "CN=%s,CN=Users,%s" % (krbtgt_name, base_dn) +    print "Renaming %s to %s" % (krbtgt_dn, new_krbtgt_dn) +    samdb.rename(krbtgt_dn, new_krbtgt_dn) + +    print "Adding %s" % server_dn +    rec = { +        "dn": server_dn, +        "objectclass" : "server", +        "systemFlags" : "1375731712", +        "serverReference" : acct_dn, +        "dnsHostName" : dnshostname} +    samdb.add(rec) + +    print "Adding %s" % ntds_dn +    rec = { +        "dn" : ntds_dn, +        "objectclass" : "nTDSDSA", +        "objectCategory" : "CN=NTDS-DSA-RO,%s" % samdb.get_schema_basedn(), +        "systemFlags" : "33554432", +        "dMDLocation" : str(samdb.get_schema_basedn()), +        "options" : "37", +        "msDS-Behavior-Version" : "4", +        "msDS-HasDomainNCs" : str(samdb.get_default_basedn()), +        "msDS-HasFullReplicaNCs" : [ str(samdb.get_default_basedn()), +                                     str(samdb.get_config_basedn()), +                                     str(samdb.get_schema_basedn()) ]} +    samdb.add(rec, ["rodc_join:1:1"]) + +    print "Adding %s" % connection_dn +    rec = { +        "dn" : connection_dn, +        "objectclass" : "nTDSConnection", +        "enabledconnection" : "TRUE", +        "options" : "65", +        "fromServer" : dc_ntds_dn} +    samdb.add(rec) + +    print "Adding %s" % topology_dn +    rec = { +        "dn" : topology_dn, +        "objectclass" : "msDFSR-Member", +        "msDFSR-ComputerReference" : acct_dn, +        "serverReference" : ntds_dn} +    samdb.add(rec) + +    print "Adding HOST SPNs to %s" % acct_dn +    m = ldb.Message() +    m.dn = ldb.Dn(samdb, acct_dn) +    SPNs = [ "HOST/%s" % myname, +             "HOST/%s" % dnshostname ] +    m["servicePrincipalName"] = ldb.MessageElement(SPNs, +                                                   ldb.FLAG_MOD_ADD, +                                                   "servicePrincipalName") +    samdb.modify(m) + +    print "Adding RestrictedKrbHost SPNs to %s" % acct_dn +    m = ldb.Message() +    m.dn = ldb.Dn(samdb, acct_dn) +    SPNs = [ "RestrictedKrbHost/%s" % myname, +             "RestrictedKrbHost/%s" % dnshostname ] +    m["servicePrincipalName"] = ldb.MessageElement(SPNs, +                                                   ldb.FLAG_MOD_ADD, +                                                   "servicePrincipalName") +    samdb.modify(m) + +    print "Setting account password for %s" % samname +    samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))" % samname, +                           acct_pass, +                           force_change_at_next_login=False, +                           username=samname) + +    print "Enabling account %s" % acct_dn +    # weird, its already enabled, but w2k8r2 disables then re-enables again +    m = ldb.Message() +    m.dn = ldb.Dn(samdb, acct_dn) +    m["userAccountControl"] = ldb.MessageElement("83890178", +                                                 ldb.FLAG_MOD_REPLACE, +                                                 "userAccountControl") +    samdb.modify(m) + +    m["userAccountControl"] = ldb.MessageElement("83890176", +                                                 ldb.FLAG_MOD_REPLACE, +                                                 "userAccountControl") +    samdb.modify(m) + +    print "Doing DsBind as %s" % samname + +    acct_creds = Credentials() +    acct_creds.guess(lp) +    acct_creds.set_kerberos_state(DONT_USE_KERBEROS) +    acct_creds.set_username(samname) +    acct_creds.set_password(acct_pass) + +    drs = drsuapi.drsuapi("ncacn_ip_tcp:w2k8[seal,print]", lp, acct_creds) +    drs_handle = do_DsBind(drs) +    print "DRS Handle: %s" % drs_handle + +    print "Calling DsRGetDCNameEx2" +    netr = netlogon.netlogon("ncacn_np:w2k8[print]", lp, acct_creds) +    dcname = netr.netr_DsRGetDCNameEx2(server_unc=dc_dnsHostName.decode("utf-8"), +                                            client_account=None, +                                            mask=0, +                                            domain_name=dnsdomain.decode("utf-8"), +                                            domain_guid=None, site_name=None, flags=0x40001020) + +    print "Calling secrets self join" +    secretsdb_self_join() + +    print "Note: RODC join is a work in progress - replication not done" +    #print ndr_print(dcname) diff --git a/source4/scripting/python/samba/netcmd/join.py b/source4/scripting/python/samba/netcmd/join.py index 4f04b77abf..23ae412df5 100644 --- a/source4/scripting/python/samba/netcmd/join.py +++ b/source4/scripting/python/samba/netcmd/join.py @@ -21,14 +21,14 @@  import samba.getopt as options  from samba.net import Net, LIBNET_JOIN_AUTOMATIC -from samba.netcmd import Command, CommandError +from samba.netcmd import Command, CommandError, Option  from samba.dcerpc.misc import SEC_CHAN_WKSTA, SEC_CHAN_BDC - +from samba.join import join_rodc  class cmd_join(Command):      """Joins domain as either member or backup domain controller [server connection needed]""" -    synopsis = "%prog join <domain> [BDC | MEMBER] [options]" +    synopsis = "%prog join <domain> [BDC | MEMBER | RODC] [options]"      takes_optiongroups = {          "sambaopts": options.SambaOptions, @@ -36,13 +36,23 @@ class cmd_join(Command):          "credopts": options.CredentialsOptions,      } +    takes_options = [ +        Option("--server", help="DC to join", type=str), +        Option("--site", help="site to join", type=str), +        ] +      takes_args = ["domain", "role?"]      def run(self, domain, role=None, sambaopts=None, credopts=None, -            versionopts=None): +            versionopts=None, server=None, site=None):          lp = sambaopts.get_loadparm()          creds = credopts.get_credentials(lp)          net = Net(creds, lp) + +        if site is None: +            site = "Default-First-Site-Name" + +        netbios_name = lp.get("netbios name")          if role is None:              secure_channel_type = SEC_CHAN_WKSTA @@ -50,10 +60,16 @@ class cmd_join(Command):              secure_channel_type = SEC_CHAN_BDC          elif role == "MEMBER":              secure_channel_type = SEC_CHAN_WKSTA +        elif role == "RODC": +            join_rodc(server=server, creds=creds, lp=lp, +                      site=site, netbios_name=netbios_name) +            return          else: -            raise CommandError("Invalid role %s (possible values: MEMBER, BDC)" % role) +            raise CommandError("Invalid role %s (possible values: MEMBER, BDC, RODC)" % role)          (join_password, sid, domain_name) = net.join(domain, -            lp.get("netbios name"), secure_channel_type, LIBNET_JOIN_AUTOMATIC) +                                                     netbios_name, +                                                     secure_channel_type, +                                                     LIBNET_JOIN_AUTOMATIC)          self.outf.write("Joined domain %s (%s)\n" % (domain_name, sid))  | 
