diff options
| -rw-r--r-- | source4/scripting/python/samba/join.py | 344 |
1 files changed, 218 insertions, 126 deletions
diff --git a/source4/scripting/python/samba/join.py b/source4/scripting/python/samba/join.py index 6eda582769..d185974faf 100644 --- a/source4/scripting/python/samba/join.py +++ b/source4/scripting/python/samba/join.py @@ -22,14 +22,21 @@ import samba.getopt as options from samba.auth import system_session from samba.samdb import SamDB from samba import gensec -import ldb, samba +import ldb, samba, sys 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 +from samba.provision import secretsdb_self_join, provision, FILL_DRS, find_setup_dir +from samba.net import Net +import logging -def join_rodc(server=None, creds=None, lp=None, site=None, netbios_name=None): +class join_ctx: + '''hold join context variables''' + pass + +def join_rodc(server=None, creds=None, lp=None, site=None, netbios_name=None, + targetdir=None): """join as a RODC""" if server is None: @@ -42,19 +49,19 @@ def join_rodc(server=None, creds=None, lp=None, site=None, netbios_name=None): except: pass - def cleanup_old_join(samdb, acct_dn, server_dn, ntds_dn, - krbtgt_dn, connection_dn, topology_dn): + def cleanup_old_join(ctx): + '''remove any DNs from a previous join''' 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) + res = ctx.samdb.search(base=ctx.acct_dn, scope=ldb.SCOPE_BASE, attrs=["msDS-krbTgtLink"]) + del_noerror(ctx.samdb, ctx.acct_dn) + del_noerror(ctx.samdb, ctx.connection_dn) + del_noerror(ctx.samdb, ctx.krbtgt_dn) + del_noerror(ctx.samdb, ctx.ntds_dn) + del_noerror(ctx.samdb, ctx.server_dn) + del_noerror(ctx.samdb, ctx.topology_dn) + ctx.new_krbtgt_dn = res[0]["msDS-Krbtgtlink"][0] + del_noerror(ctx.samdb, ctx.new_krbtgt_dn) except: pass @@ -71,6 +78,11 @@ def join_rodc(server=None, creds=None, lp=None, site=None, netbios_name=None): binsid = res[0]["tokenGroups"][0] return samdb.schema_format_value("objectSID", binsid) + def get_domain_name(samdb): + # this should be done via CLDAP + res = samdb.search(base=samdb.get_default_basedn(), scope=ldb.SCOPE_BASE, attrs=["name"]) + return res[0]["name"][0] + def do_DsBind(drs): '''make a DsBind call, returning the binding handle''' bind_info = drsuapi.DsBindInfoCtr() @@ -107,183 +119,263 @@ def join_rodc(server=None, creds=None, lp=None, site=None, netbios_name=None): (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) + def replicate_partition(ctx, dn, schema=False): + '''replicate a partition''' + + # setup for a GetNCChanges call + req8 = drsuapi.DsGetNCChangesRequest8() + + exop = drsuapi.DRSUAPI_EXOP_NONE + null_guid = misc.GUID() + req8.destination_dsa_guid = misc.GUID("9c637462-5b8c-4467-aef2-bdb1f57bc4ef") + req8.source_dsa_invocation_id = misc.GUID(ctx.samdb.get_invocation_id()) + req8.naming_context = drsuapi.DsReplicaObjectIdentifier() + req8.naming_context.dn = dn.decode("utf-8") + req8.highwatermark = drsuapi.DsReplicaHighWaterMark() + req8.highwatermark.tmp_highest_usn = 0 + req8.highwatermark.reserved_usn = 0 + req8.highwatermark.highest_usn = 0 + req8.uptodateness_vector = None + req8.replica_flags = 0 + req8.replica_flags |= (drsuapi.DRSUAPI_DRS_INIT_SYNC | + drsuapi.DRSUAPI_DRS_PER_SYNC | + drsuapi.DRSUAPI_DRS_GET_ANC | + drsuapi.DRSUAPI_DRS_NEVER_SYNCED) + 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 + + while True: + (level, ctr) = ctx.drs.DsGetNCChanges(ctx.drs_handle, 8, req8) + net.replicate_chunk(ctx.replication_state, level, ctr, schema=schema) + if ctr.more_data == 0: + break + req8.highwatermark.tmp_highest_usn = ctr.new_highwatermark.tmp_highest_usn + + + # main join code + ctx = join_ctx() + ctx.creds = creds + ctx.lp = lp + ctx.site = site + ctx.netbios_name = netbios_name + ctx.targetdir = targetdir + ctx.server = server + + ctx.creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL) + + ctx.samdb = SamDB(url="ldap://%s" % ctx.server, + session_info=system_session(), + credentials=ctx.creds, lp=ctx.lp) + + ctx.myname = netbios_name + ctx.samname = "%s$" % ctx.myname + ctx.base_dn = str(ctx.samdb.get_default_basedn()) + ctx.root_dn = str(ctx.samdb.get_root_basedn()) + ctx.schema_dn = str(ctx.samdb.get_schema_basedn()) + ctx.config_dn = str(ctx.samdb.get_config_basedn()) + ctx.domsid = ctx.samdb.get_domain_sid() + + ctx.dc_ntds_dn = get_dsServiceName(ctx.samdb) + ctx.dc_dnsHostName = get_dnsHostName(ctx.samdb) + ctx.acct_pass = samba.generate_random_password(12, 32) + ctx.mysid = get_mysid(ctx.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) + ctx.admin_dn = "<SID=%s>" % ctx.mysid + ctx.krbtgt_dn = "CN=krbtgt_%s,CN=Users,%s" % (ctx.myname, ctx.base_dn) + ctx.server_dn = "CN=%s,CN=Servers,CN=%s,CN=Sites,%s" % (ctx.myname, ctx.site, ctx.config_dn) + ctx.ntds_dn = "CN=NTDS Settings,%s" % ctx.server_dn + ctx.connection_dn = "CN=RODC Connection (FRS),%s" % ctx.ntds_dn + ctx.topology_dn = "CN=%s,CN=Topology,CN=Domain System Volume,CN=DFSR-GlobalSettings,CN=System,%s" % (ctx.myname, ctx.base_dn) - never_reveal_sid = "%s-572" % domsid; - reveal_sid = "%s-571" % domsid; + # we should lookup these SIDs, and have far more never reveal SIDs + ctx.never_reveal_sid = "%s-572" % ctx.domsid; + ctx.reveal_sid = "%s-571" % ctx.domsid; - dnsdomain = ldb.Dn(samdb, base_dn).canonical_str().split('/')[0] - dnshostname = "%s.%s" % (myname, dnsdomain) + ctx.dnsdomain = ldb.Dn(ctx.samdb, ctx.base_dn).canonical_str().split('/')[0] + ctx.realm = ctx.dnsdomain + ctx.dnshostname = "%s.%s" % (ctx.myname, ctx.dnsdomain) - acct_dn = "CN=%s,OU=Domain Controllers,%s" % (myname, base_dn) + ctx.acct_dn = "CN=%s,OU=Domain Controllers,%s" % (ctx.myname, ctx.base_dn) - cleanup_old_join(samdb, acct_dn, server_dn, ntds_dn, - krbtgt_dn, connection_dn, topology_dn) + cleanup_old_join(ctx) - print "Adding %s" % acct_dn + print "Adding %s" % ctx.acct_dn rec = { - "dn" : acct_dn, + "dn" : ctx.acct_dn, "objectClass": "computer", - "displayname": samname, - "samaccountname" : samname, + "displayname": ctx.samname, + "samaccountname" : ctx.samname, "useraccountcontrol" : "83890176", - "managedby" : admin_dn, - "dnshostname" : dnshostname, - "msDS-NeverRevealGroup" : "<SID=%s>" % never_reveal_sid, - "msDS-RevealOnDemandGroup" : "<SID=%s>" % reveal_sid} - samdb.add(rec) + "managedby" : ctx.admin_dn, + "dnshostname" : ctx.dnshostname, + "msDS-NeverRevealGroup" : "<SID=%s>" % ctx.never_reveal_sid, + "msDS-RevealOnDemandGroup" : "<SID=%s>" % ctx.reveal_sid} + ctx.samdb.add(rec) - print "Adding %s" % krbtgt_dn + print "Adding %s" % ctx.krbtgt_dn rec = { - "dn" : krbtgt_dn, + "dn" : ctx.krbtgt_dn, "objectclass" : "user", "useraccountcontrol" : "514", "showinadvancedviewonly" : "TRUE", "description" : "tricky account"} - samdb.add(rec, ["rodc_join:1:1"]) + ctx.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] + res = ctx.samdb.search(base=ctx.krbtgt_dn, scope=ldb.SCOPE_BASE, attrs=["samAccountName"]) + ctx.krbtgt_name = res[0]["samAccountName"][0] - print "Got krbtgt_name=%s" % krbtgt_name + print "Got krbtgt_name=%s" % ctx.krbtgt_name m = ldb.Message() - m.dn = ldb.Dn(samdb, acct_dn) - m["msDS-krbTgtLink"] = ldb.MessageElement(krbtgt_dn, + m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn) + m["msDS-krbTgtLink"] = ldb.MessageElement(ctx.krbtgt_dn, ldb.FLAG_MOD_REPLACE, "msDS-krbTgtLink") - samdb.modify(m) + ctx.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) + ctx.new_krbtgt_dn = "CN=%s,CN=Users,%s" % (ctx.krbtgt_name, ctx.base_dn) + print "Renaming %s to %s" % (ctx.krbtgt_dn, ctx.new_krbtgt_dn) + ctx.samdb.rename(ctx.krbtgt_dn, ctx.new_krbtgt_dn) - print "Adding %s" % server_dn + print "Adding %s" % ctx.server_dn rec = { - "dn": server_dn, + "dn": ctx.server_dn, "objectclass" : "server", "systemFlags" : "1375731712", - "serverReference" : acct_dn, - "dnsHostName" : dnshostname} - samdb.add(rec) + "serverReference" : ctx.acct_dn, + "dnsHostName" : ctx.dnshostname} + ctx.samdb.add(rec) - print "Adding %s" % ntds_dn + print "Adding %s" % ctx.ntds_dn rec = { - "dn" : ntds_dn, + "dn" : ctx.ntds_dn, "objectclass" : "nTDSDSA", - "objectCategory" : "CN=NTDS-DSA-RO,%s" % samdb.get_schema_basedn(), + "objectCategory" : "CN=NTDS-DSA-RO,%s" % ctx.schema_dn, "systemFlags" : "33554432", - "dMDLocation" : str(samdb.get_schema_basedn()), + "dMDLocation" : ctx.schema_dn, "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"]) + "msDS-HasDomainNCs" : ctx.base_dn, + "msDS-HasFullReplicaNCs" : [ ctx.base_dn, ctx.config_dn, ctx.schema_dn ]} + ctx.samdb.add(rec, ["rodc_join:1:1"]) - print "Adding %s" % connection_dn + print "Adding %s" % ctx.connection_dn rec = { - "dn" : connection_dn, + "dn" : ctx.connection_dn, "objectclass" : "nTDSConnection", "enabledconnection" : "TRUE", "options" : "65", - "fromServer" : dc_ntds_dn} - samdb.add(rec) + "fromServer" : ctx.dc_ntds_dn} + ctx.samdb.add(rec) - print "Adding %s" % topology_dn + print "Adding %s" % ctx.topology_dn rec = { - "dn" : topology_dn, + "dn" : ctx.topology_dn, "objectclass" : "msDFSR-Member", - "msDFSR-ComputerReference" : acct_dn, - "serverReference" : ntds_dn} - samdb.add(rec) + "msDFSR-ComputerReference" : ctx.acct_dn, + "serverReference" : ctx.ntds_dn} + ctx.samdb.add(rec) - print "Adding HOST SPNs to %s" % acct_dn + print "Adding HOST SPNs to %s" % ctx.acct_dn m = ldb.Message() - m.dn = ldb.Dn(samdb, acct_dn) - SPNs = [ "HOST/%s" % myname, - "HOST/%s" % dnshostname ] + m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn) + SPNs = [ "HOST/%s" % ctx.myname, + "HOST/%s" % ctx.dnshostname ] m["servicePrincipalName"] = ldb.MessageElement(SPNs, ldb.FLAG_MOD_ADD, "servicePrincipalName") - samdb.modify(m) + ctx.samdb.modify(m) - print "Adding RestrictedKrbHost SPNs to %s" % acct_dn + print "Adding RestrictedKrbHost SPNs to %s" % ctx.acct_dn m = ldb.Message() - m.dn = ldb.Dn(samdb, acct_dn) - SPNs = [ "RestrictedKrbHost/%s" % myname, - "RestrictedKrbHost/%s" % dnshostname ] + m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn) + SPNs = [ "RestrictedKrbHost/%s" % ctx.myname, + "RestrictedKrbHost/%s" % ctx.dnshostname ] m["servicePrincipalName"] = ldb.MessageElement(SPNs, ldb.FLAG_MOD_ADD, "servicePrincipalName") - samdb.modify(m) + ctx.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 "Setting account password for %s" % ctx.samname + ctx.samdb.setpassword("(&(objectClass=user)(sAMAccountName=%s))" % ctx.samname, + ctx.acct_pass, + force_change_at_next_login=False, + username=ctx.samname) - print "Enabling account %s" % acct_dn + print "Enabling account %s" % ctx.acct_dn # weird, its already enabled, but w2k8r2 disables then re-enables again m = ldb.Message() - m.dn = ldb.Dn(samdb, acct_dn) + m.dn = ldb.Dn(ctx.samdb, ctx.acct_dn) m["userAccountControl"] = ldb.MessageElement("83890178", ldb.FLAG_MOD_REPLACE, "userAccountControl") - samdb.modify(m) + ctx.samdb.modify(m) m["userAccountControl"] = ldb.MessageElement("83890176", ldb.FLAG_MOD_REPLACE, "userAccountControl") - samdb.modify(m) + ctx.samdb.modify(m) - print "Doing DsBind as %s" % samname + print "Doing DsBind as %s" % ctx.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) + ctx.acct_creds = Credentials() + ctx.acct_creds.guess(ctx.lp) + ctx.acct_creds.set_kerberos_state(DONT_USE_KERBEROS) + ctx.acct_creds.set_username(ctx.samname) + ctx.acct_creds.set_password(ctx.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 + ctx.drs = drsuapi.drsuapi("ncacn_ip_tcp:%s[seal,print]" % ctx.server, ctx.lp, ctx.creds) + ctx.drs_handle = do_DsBind(ctx.drs) + print "DRS Handle: %s" % ctx.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) + netr = netlogon.netlogon("ncacn_np:%s[print]" % ctx.server, ctx.lp, ctx.acct_creds) + dcname = netr.netr_DsRGetDCNameEx2(server_unc=ctx.dc_dnsHostName.decode("utf-8"), + client_account=None, + mask=0, + domain_name=ctx.dnsdomain.decode("utf-8"), + domain_guid=None, site_name=None, + flags=0x40001020) + + print ndr_print(dcname) + print "Calling bare provision" + + setup_dir = find_setup_dir() + logger = logging.getLogger("provision") + logger.addHandler(logging.StreamHandler(sys.stdout)) + smbconf = lp.configfile + + presult = provision(setup_dir, logger, system_session(), None, + smbconf=smbconf, targetdir=targetdir, samdb_fill=FILL_DRS, + realm=ctx.realm, rootdn=ctx.root_dn, domaindn=ctx.base_dn, + schemadn=ctx.schema_dn, + configdn=ctx.config_dn, + serverdn=ctx.server_dn, domain=get_domain_name(ctx.samdb), + hostname=ctx.myname, hostip="127.0.0.1", domainsid=ctx.domsid, + machinepass=ctx.acct_pass, serverrole="domain controller", + sitename=ctx.site) + print "Provision OK for domain DN %s" % presult.domaindn + ctx.local_samdb = presult.samdb + ctx.lp = presult.lp + + + print "Starting replication" + ctx.local_samdb.transaction_start() + + net = Net(creds=ctx.creds, lp=ctx.lp) + ctx.replication_state = net.replicate_init(ctx.local_samdb, ctx.lp, ctx.drs) + + replicate_partition(ctx, ctx.schema_dn, schema=True) + replicate_partition(ctx, ctx.config_dn) + replicate_partition(ctx, ctx.base_dn) + + print "Committing" + ctx.local_samdb.transaction_commit() |