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-rw-r--r--source4/scripting/python/samba/provision/__init__.py2
-rw-r--r--source4/scripting/python/samba/provision/sambadns.py119
2 files changed, 103 insertions, 18 deletions
diff --git a/source4/scripting/python/samba/provision/__init__.py b/source4/scripting/python/samba/provision/__init__.py
index be0e903cd9..c00c2e8481 100644
--- a/source4/scripting/python/samba/provision/__init__.py
+++ b/source4/scripting/python/samba/provision/__init__.py
@@ -1593,7 +1593,7 @@ def provision_fill(samdb, secrets_ldb, logger, names, paths,
# It might be that this attribute does not exist in this schema
raise
- setup_ad_dns(samdb, secrets_ldb, names, paths, lp, logger,
+ setup_ad_dns(samdb, secrets_ldb, domainsid, names, paths, lp, logger,
hostip=hostip, hostip6=hostip6, dns_backend=dns_backend,
dnspass=dnspass, os_level=dom_for_fun_level,
targetdir=targetdir, site=DEFAULTSITE)
diff --git a/source4/scripting/python/samba/provision/sambadns.py b/source4/scripting/python/samba/provision/sambadns.py
index d7d75cdca5..24272f5017 100644
--- a/source4/scripting/python/samba/provision/sambadns.py
+++ b/source4/scripting/python/samba/provision/sambadns.py
@@ -25,10 +25,11 @@ import uuid
import shutil
import time
import ldb
+from base64 import b64encode
import samba
from samba.ndr import ndr_pack, ndr_unpack
from samba import read_and_sub_file, setup_file
-from samba.dcerpc import dnsp, misc
+from samba.dcerpc import dnsp, misc, security
from samba.dsdb import (
DS_DOMAIN_FUNCTION_2000,
DS_DOMAIN_FUNCTION_2003,
@@ -48,6 +49,13 @@ def modify_ldif(ldb, ldif_file, subst_vars, controls=["relax:0"]):
data = read_and_sub_file(ldif_file_path, subst_vars)
ldb.modify_ldif(data, controls)
+def set_security_descriptor(samdb, dn_str, descriptor):
+ msg = ldb.Message()
+ msg.dn = ldb.Dn(samdb, dn_str)
+ msg["nTSecurityDescriptor"] = ldb.MessageElement(descriptor,
+ ldb.FLAG_MOD_REPLACE, "nTSecurityDescriptor")
+ samdb.modify(msg, controls=["relax:0"])
+
def setup_ldb(ldb, ldif_path, subst_vars):
"""Import a LDIF a file into a LDB handle, optionally substituting
variables.
@@ -90,6 +98,60 @@ def get_ntdsguid(samdb, domaindn):
ntdsguid = str(ndr_unpack(misc.GUID, res3[0]["objectGUID"][0]))
return ntdsguid
+def get_dns_partition_descriptor(domainsid):
+ sddl = "O:SYG:BAD:AI" \
+ "(OA;CIIO;RP;4c164200-20c0-11d0-a768-00aa006e0529;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
+ "(OA;CIIO;RP;4c164200-20c0-11d0-a768-00aa006e0529;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
+ "(OA;CIIO;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
+ "(OA;CIIO;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
+ "(OA;CIIO;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
+ "(OA;CIIO;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
+ "(OA;CIIO;RP;59ba2f42-79a2-11d0-9020-00c04fc2d3cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
+ "(OA;CIIO;RP;59ba2f42-79a2-11d0-9020-00c04fc2d3cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
+ "(OA;CIIO;RP;037088f8-0ae1-11d2-b422-00a0c968f939;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
+ "(OA;CIIO;RP;037088f8-0ae1-11d2-b422-00a0c968f939;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
+ "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ER)" \
+ "(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967a86-0de6-11d0-a285-00aa003049e2;ED)" \
+ "(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967a9c-0de6-11d0-a285-00aa003049e2;ED)" \
+ "(OA;CIIO;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967aba-0de6-11d0-a285-00aa003049e2;ED)" \
+ "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;BA)" \
+ "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
+ "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
+ "(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
+ "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
+ "(OA;;CR;1131f6ae-9c07-11d1-f79f-00c04fc2dcd2;;BA)" \
+ "(OA;;CR;e2a36dc9-ae17-47c3-b58b-be34c55ba633;;IF)" \
+ "(OA;;RP;c7407360-20bf-11d0-a768-00aa006e0529;;RU)" \
+ "(OA;;RP;b8119fd0-04f6-4762-ab7a-4986c76b3f9a;;RU)" \
+ "(OA;CIIO;RPLCLORC;;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)" \
+ "(OA;CIIO;RPLCLORC;;bf967a9c-0de6-11d0-a285-00aa003049e2;RU)" \
+ "(OA;CIIO;RPLCLORC;;bf967aba-0de6-11d0-a285-00aa003049e2;RU)" \
+ "(OA;;CR;05c74c5e-4deb-43b4-bd9f-86664c2a7fd5;;AU)" \
+ "(OA;;CR;89e95b76-444d-4c62-991a-0facbeda640c;;ED)" \
+ "(OA;;CR;ccc2dc7d-a6ad-4a7a-8846-c04e3cc53501;;AU)" \
+ "(OA;;CR;280f369c-67c7-438e-ae98-1d46f3c6f541;;AU)" \
+ "(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
+ "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
+ "(OA;;CR;1131f6ac-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
+ "(OA;;CR;1131f6ad-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
+ "(OA;;CR;1131f6ae-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
+ "(OA;;RP;b8119fd0-04f6-4762-ab7a-4986c76b3f9a;;AU)" \
+ "(OA;CIIO;RPWPCR;91e647de-d96f-4b70-9557-d63ff4f3ccd8;;PS)" \
+ "(A;;RPWPCRCCLCLORCWOWDSW;;;DA)" \
+ "(A;CI;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \
+ "(A;;RPRC;;;RU)" \
+ "(A;CI;LC;;;RU)" \
+ "(A;CI;RPWPCRCCLCLORCWOWDSDSW;;;BA)" \
+ "(A;;RP;;;WD)" \
+ "(A;;RPLCLORC;;;ED)" \
+ "(A;;RPLCLORC;;;AU)" \
+ "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)" \
+ "S:AI" \
+ "(OU;CISA;WP;f30e3bbe-9ff0-11d1-b603-0000f80367c1;bf967aa5-0de6-11d0-a285-00aa003049e2;WD)" \
+ "(OU;CISA;WP;f30e3bbf-9ff0-11d1-b603-0000f80367c1;bf967aa5-0de6-11d0-a285-00aa003049e2;WD)" \
+ "(AU;SA;CR;;;DU)(AU;SA;CR;;;BA)(AU;SA;WPWOWD;;;WD)"
+ sec = security.descriptor.from_sddl(sddl, domainsid)
+ return ndr_pack(sec)
class ARecord(dnsp.DnssrvRpcRecord):
def __init__(self, ip_addr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE):
@@ -159,12 +221,7 @@ class SRVRecord(dnsp.DnssrvRpcRecord):
srv.wWeight = weight
self.data = srv
-
-def setup_dns_partitions(samdb, domaindn, forestdn, configdn, serverdn):
-
- # FIXME: Default security descriptor for Domain-DNS objectCategory is different in
- # our documentation from windows
-
+def setup_dns_partitions(samdb, domainsid, domaindn, forestdn, configdn, serverdn):
domainzone_dn = "DC=DomainDnsZones,%s" % domaindn
forestzone_dn = "DC=ForestDnsZones,%s" % forestdn
@@ -173,6 +230,10 @@ def setup_dns_partitions(samdb, domaindn, forestdn, configdn, serverdn):
"FORESTZONE_DN": forestzone_dn,
})
+ descriptor = get_dns_partition_descriptor(domainsid)
+ set_security_descriptor(samdb, domainzone_dn, descriptor)
+ set_security_descriptor(samdb, forestzone_dn, descriptor)
+
domainzone_guid = get_domainguid(samdb, domainzone_dn)
forestzone_guid = get_domainguid(samdb, forestzone_dn)
@@ -206,14 +267,21 @@ def add_dns_accounts(samdb, domaindn):
"DOMAINDN": domaindn,
})
-def add_dns_container(samdb, domaindn, prefix):
+def add_dns_container(samdb, domaindn, prefix, domainsid):
# CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
+ sddl = "O:SYG:SYD:AI" \
+ "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;DA)" \
+ "(A;CI;RPWPCRCCDCLCRCWOWDSDDTSW;;;S-1-5-21-3468611895-2137509179-3280132445-1101)" \
+ "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)" \
+ "(A;CI;RPWPCRCCDCLCRCWOWDSDDTSW;;;ED)" \
+ "S:AI"
+ sec = security.descriptor.from_sddl(sddl, domainsid)
msg = ldb.Message(ldb.Dn(samdb, "CN=MicrosoftDNS,%s,%s" % (prefix, domaindn)))
msg["objectClass"] = ["top", "container"]
msg["displayName"] = ldb.MessageElement("DNS Servers", ldb.FLAG_MOD_ADD, "displayName")
+ msg["nTSecurityDescriptor"] = ndr_pack(sec)
samdb.add(msg)
-
def add_rootservers(samdb, domaindn, prefix):
rootservers = {}
rootservers["a.root-servers.net"] = "198.41.0.4"
@@ -337,10 +405,26 @@ def add_host_record(samdb, container_dn, prefix, hostip, hostip6):
msg["dnsRecord"] = ldb.MessageElement(host_records, ldb.FLAG_MOD_ADD, "dnsRecord")
samdb.add(msg)
-def add_domain_record(samdb, domaindn, prefix, dnsdomain):
+def add_domain_record(samdb, domaindn, prefix, dnsdomain, domainsid):
# DC=<DNSDOMAIN>,CN=MicrosoftDNS,<PREFIX>,<DOMAINDN>
+ sddl = "O:SYG:BAD:AI" \
+ "(D;CI;RPWPCRCCDCLCLORCWOWDSDDTSW;;;S-1-5-21-3468611895-2137509179-3280132445-1103)" \
+ "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;DA)" \
+ "(A;;CC;;;AU)" \
+ "(A;;RPLCLORC;;;WD)" \
+ "(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;SY)" \
+ "(A;CI;RPWPCRCCDCLCRCWOWDSDDTSW;;;ED)" \
+ "(A;CIID;RPWPCRCCDCLCRCWOWDSDDTSW;;;S-1-5-21-3468611895-2137509179-3280132445-1101)" \
+ "(A;CIID;RPWPCRCCDCLCRCWOWDSDDTSW;;;ED)" \
+ "(OA;CIID;RPWPCR;91e647de-d96f-4b70-9557-d63ff4f3ccd8;;PS)" \
+ "(A;CIID;RPWPCRCCDCLCLORCWOWDSDDTSW;;;EA)" \
+ "(A;CIID;LC;;;RU)" \
+ "(A;CIID;RPWPCRCCLCLORCWOWDSDSW;;;BA)" \
+ "S:AI"
+ sec = security.descriptor.from_sddl(sddl, domainsid)
msg = ldb.Message(ldb.Dn(samdb, "DC=%s,CN=MicrosoftDNS,%s,%s" % (dnsdomain, prefix, domaindn)))
msg["objectClass"] = ["top", "dnsZone"]
+ msg["ntSecurityDescriptor"] = ndr_pack(sec)
samdb.add(msg)
def add_msdcs_record(samdb, forestdn, prefix, dnsforest):
@@ -667,7 +751,7 @@ def is_valid_os_level(os_level):
return DS_DOMAIN_FUNCTION_2000 <= os_level <= DS_DOMAIN_FUNCTION_2008_R2
-def setup_ad_dns(samdb, secretsdb, names, paths, lp, logger, dns_backend,
+def setup_ad_dns(samdb, secretsdb, domainsid, names, paths, lp, logger, dns_backend,
os_level, site, dnspass=None, hostip=None, hostip6=None,
targetdir=None):
"""Provision DNS information (assuming GC role)
@@ -731,7 +815,7 @@ def setup_ad_dns(samdb, secretsdb, names, paths, lp, logger, dns_backend,
logger.info("Populating CN=MicrosoftDNS,CN=System,%s" % domaindn)
# Set up MicrosoftDNS container
- add_dns_container(samdb, domaindn, "CN=System")
+ add_dns_container(samdb, domaindn, "CN=System", domainsid)
# Add root servers
add_rootservers(samdb, domaindn, "CN=System")
@@ -739,7 +823,7 @@ def setup_ad_dns(samdb, secretsdb, names, paths, lp, logger, dns_backend,
if os_level == DS_DOMAIN_FUNCTION_2000:
# Add domain record
- add_domain_record(samdb, domaindn, "CN=System", dnsdomain)
+ add_domain_record(samdb, domaindn, "CN=System", dnsdomain, domainsid)
# Add DNS records for a DC in domain
add_dc_domain_records(samdb, domaindn, "CN=System", site, dnsdomain,
@@ -750,19 +834,20 @@ def setup_ad_dns(samdb, secretsdb, names, paths, lp, logger, dns_backend,
# Set up additional partitions (DomainDnsZones, ForstDnsZones)
logger.info("Creating DomainDnsZones and ForestDnsZones partitions")
- setup_dns_partitions(samdb, domaindn, forestdn, names.configdn, names.serverdn)
+ setup_dns_partitions(samdb, domainsid, domaindn, forestdn,
+ names.configdn, names.serverdn)
##### Set up DC=DomainDnsZones,<DOMAINDN>
logger.info("Populating DomainDnsZones partition")
# Set up MicrosoftDNS container
- add_dns_container(samdb, domaindn, "DC=DomainDnsZones")
+ add_dns_container(samdb, domaindn, "DC=DomainDnsZones", domainsid)
# Add rootserver records
add_rootservers(samdb, domaindn, "DC=DomainDnsZones")
# Add domain record
- add_domain_record(samdb, domaindn, "DC=DomainDnsZones", dnsdomain)
+ add_domain_record(samdb, domaindn, "DC=DomainDnsZones", dnsdomain, domainsid)
# Add DNS records for a DC in domain
add_dc_domain_records(samdb, domaindn, "DC=DomainDnsZones", site, dnsdomain,
@@ -772,7 +857,7 @@ def setup_ad_dns(samdb, secretsdb, names, paths, lp, logger, dns_backend,
logger.info("Populating ForestDnsZones partition")
# Set up MicrosoftDNS container
- add_dns_container(samdb, forestdn, "DC=ForestDnsZones")
+ add_dns_container(samdb, forestdn, "DC=ForestDnsZones", domainsid)
# Add _msdcs record
add_msdcs_record(samdb, forestdn, "DC=ForestDnsZones", dnsforest)
generated by cgit (git 2.34.1) at 2024-11-26 09:53:53 +0000