[SCM] Samba Shared Repository - branch v4-18-test updated

Jule Anger janger at samba.org
Mon Oct 23 09:53:01 UTC 2023


The branch, v4-18-test has been updated
       via  cbbfc917b96 CVE-2018-14628: python:descriptor: let samba-tool dbcheck fix the nTSecurityDescriptor on CN=Deleted Objects containers
       via  f967b91da76 CVE-2018-14628: dbchecker: use get_deletedobjects_descriptor for missing deleted objects container
       via  edac27f5408 CVE-2018-14628: s4:dsdb: remove unused code in dirsync_filter_entry()
       via  74a508b39e6 CVE-2018-14628: s4:setup: set the correct nTSecurityDescriptor on the CN=Deleted Objects container
       via  46a168c9a89 CVE-2018-14628: python:provision: make DELETEDOBJECTS_DESCRIPTOR available in the ldif files
       via  e884fc791e5 CVE-2018-14628: python:descriptor: add get_deletedobjects_descriptor()
       via  8e33532980d gitignore: add WAF lockfile
       via  acf4286fbed build: Add 'make printversion' to provide version string
      from  653984f4a6d ctdb-daemon: Call setproctitle_init()

https://git.samba.org/?p=samba.git;a=shortlog;h=v4-18-test


- Log -----------------------------------------------------------------
commit cbbfc917b9635bc62825ea64a157028297f54fb7
Author: Stefan Metzmacher <metze at samba.org>
Date:   Fri Jan 29 23:35:31 2016 +0100

    CVE-2018-14628: python:descriptor: let samba-tool dbcheck fix the nTSecurityDescriptor on CN=Deleted Objects containers
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13595
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    (cherry picked from commit 97e4aab1a6e2feda7c6c6fdeaa7c3e1818c55566)
    
    Autobuild-User(v4-18-test): Jule Anger <janger at samba.org>
    Autobuild-Date(v4-18-test): Mon Oct 23 09:52:22 UTC 2023 on atb-devel-224

commit f967b91da76f86a9feb4c1469fccfce93be8bc79
Author: Stefan Metzmacher <metze at samba.org>
Date:   Wed Jun 7 18:18:58 2023 +0200

    CVE-2018-14628: dbchecker: use get_deletedobjects_descriptor for missing deleted objects container
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13595
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    (cherry picked from commit 70586061128f90afa33f25e104d4570a1cf778db)

commit edac27f5408191567233983562091484ebbbad0a
Author: Stefan Metzmacher <metze at samba.org>
Date:   Mon Jun 26 15:14:24 2023 +0200

    CVE-2018-14628: s4:dsdb: remove unused code in dirsync_filter_entry()
    
    This makes the next change easier to understand.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13595
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    (cherry picked from commit 498542be0bbf4f26558573c1f87b77b8e3509371)

commit 74a508b39e6fd5036a2adc99d559bd3852f8ce8d
Author: Stefan Metzmacher <metze at samba.org>
Date:   Fri Jan 29 23:34:15 2016 +0100

    CVE-2018-14628: s4:setup: set the correct nTSecurityDescriptor on the CN=Deleted Objects container
    
    This revealed a bug in our dirsync code, so we mark
    test_search_with_dirsync_deleted_objects as knownfail.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13595
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    (cherry picked from commit 7f8b15faa76d05023c987fac2c4c31f9ac61bb47)

commit 46a168c9a89e82ccaf8d27669d1ae5459f7becb9
Author: Stefan Metzmacher <metze at samba.org>
Date:   Fri Jan 29 23:33:37 2016 +0100

    CVE-2018-14628: python:provision: make DELETEDOBJECTS_DESCRIPTOR available in the ldif files
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13595
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    (cherry picked from commit 0c329a0fda37d87ed737e4b579b6d04ec907604c)

commit e884fc791e59bd6ebd41b4a2ab7c9d7dc45415f4
Author: Stefan Metzmacher <metze at samba.org>
Date:   Fri Jan 29 23:30:59 2016 +0100

    CVE-2018-14628: python:descriptor: add get_deletedobjects_descriptor()
    
    samba-tool drs clone-dc-database was quite useful to find
    the true value of nTSecurityDescriptor of the CN=Delete Objects
    containers.
    
    Only the auto inherited SACL is available via a ldap search.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13595
    
    Signed-off-by: Stefan Metzmacher <metze at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    (cherry picked from commit 3be190dcf7153e479383f7f3d29ddca43fe121b8)

commit 8e33532980d9b4b16520a5092336bd86f882e0f5
Author: Michael Adam <obnox at samba.org>
Date:   Mon Oct 16 19:04:55 2023 +0200

    gitignore: add WAF lockfile
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15497
    
    Signed-off-by: Michael Adam <obnox at samba.org>
    Reviewed-by: Christof Schmitt <christof.schmitt at us.ibm.com>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Tue Oct 17 04:16:29 UTC 2023 on atb-devel-224
    
    (cherry picked from commit 310629508bfbedecfab9b653b7cba0282f5c0e8b)

commit acf4286fbed5014af58a7fcf0055b1b80f00705d
Author: Christof Schmitt <christof.schmitt at us.ibm.com>
Date:   Thu Sep 12 16:11:34 2013 -0700

    build: Add 'make printversion' to provide version string
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15497
    
    Signed-off-by: Christof Schmitt <christof.schmitt at us.ibm.com>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    (cherry picked from commit e2ace2d613701f3d4a7c7c202f68d2f193c0a64a)

-----------------------------------------------------------------------

Summary of changes:
 .gitignore                                         |  1 +
 Makefile                                           |  4 ++
 python/samba/dbchecker.py                          | 27 +++++++++--
 python/samba/descriptor.py                         | 25 +++++++++-
 python/samba/provision/__init__.py                 |  5 ++
 python/samba/provision/sambadns.py                 |  4 ++
 selftest/knownfail.d/samba4.ldap.confidential_attr |  1 +
 source4/dsdb/samdb/ldb_modules/dirsync.c           | 53 ++--------------------
 ...eck-link-output-missing-link-sid-corruption.txt |  8 ++--
 .../expected-links-after-dbcheck.ldif              |  2 +-
 .../release-4-5-0-pre1/rootdse-version.final.txt   |  2 +-
 source4/setup/provision.ldif                       |  1 +
 source4/setup/provision_configuration.ldif         |  1 +
 source4/setup/provision_dnszones_add.ldif          |  1 +
 testprogs/blackbox/dbcheck-links.sh                | 12 +++++
 wscript                                            |  5 ++
 16 files changed, 92 insertions(+), 60 deletions(-)
 create mode 100644 selftest/knownfail.d/samba4.ldap.confidential_attr


Changeset truncated at 500 lines:

diff --git a/.gitignore b/.gitignore
index de3feaabf28..9a663e2a065 100644
--- a/.gitignore
+++ b/.gitignore
@@ -88,3 +88,4 @@ compile_commands.json
 .clangd/
 .cache/
 .ropeproject/
+.tmplock
diff --git a/Makefile b/Makefile
index 7f5960d5191..dbb9fcdf1c3 100644
--- a/Makefile
+++ b/Makefile
@@ -67,6 +67,10 @@ distcheck:
 	touch .tmplock
 	WAFLOCK=.tmplock $(WAF) distcheck
 
+printversion:
+	touch .tmplock
+	WAFLOCK=.tmplock $(WAF) printversion
+
 clean:
 	$(WAF) clean
 
diff --git a/python/samba/dbchecker.py b/python/samba/dbchecker.py
index c9341f6500c..d5bb8a5a1fc 100644
--- a/python/samba/dbchecker.py
+++ b/python/samba/dbchecker.py
@@ -20,7 +20,7 @@
 import ldb
 import samba
 import time
-from base64 import b64decode
+from base64 import b64decode, b64encode
 from samba import dsdb
 from samba import common
 from samba.dcerpc import misc
@@ -29,7 +29,11 @@ from samba.ndr import ndr_unpack, ndr_pack
 from samba.dcerpc import drsblobs
 from samba.samdb import dsdb_Dn
 from samba.dcerpc import security
-from samba.descriptor import get_wellknown_sds, get_diff_sds
+from samba.descriptor import (
+        get_wellknown_sds,
+        get_deletedobjects_descriptor,
+        get_diff_sds
+)
 from samba.auth import system_session, admin_session
 from samba.netcmd import CommandError
 from samba.netcmd.fsmo import get_fsmo_roleowner
@@ -351,6 +355,12 @@ class dbcheck(object):
                 listwko.append('%s:%s' % (wko_prefix, dn))
                 guid_suffix = ""
 
+
+            domain_sid = security.dom_sid(self.samdb.get_domain_sid())
+            sec_desc = get_deletedobjects_descriptor(domain_sid,
+                                                     name_map=self.name_map)
+            sec_desc_b64 = b64encode(sec_desc).decode('utf8')
+
             # Insert a brand new Deleted Objects container
             self.samdb.add_ldif("""dn: %s
 objectClass: top
@@ -359,7 +369,8 @@ description: Container for deleted objects
 isDeleted: TRUE
 isCriticalSystemObject: TRUE
 showInAdvancedViewOnly: TRUE
-systemFlags: -1946157056%s""" % (dn, guid_suffix),
+nTSecurityDescriptor:: %s
+systemFlags: -1946157056%s""" % (dn, sec_desc_b64, guid_suffix),
                                 controls=["relax:0", "provision:0"])
 
             delta = ldb.Message()
@@ -2458,7 +2469,7 @@ newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base)))
                     error_count += 1
                     continue
 
-                if self.reset_well_known_acls:
+                if dn == deleted_objects_dn or self.reset_well_known_acls:
                     try:
                         well_known_sd = self.get_wellknown_sd(dn)
                     except KeyError:
@@ -2467,7 +2478,13 @@ newSuperior: %s""" % (str(from_dn), str(to_rdn), str(to_base)))
                     current_sd = ndr_unpack(security.descriptor,
                                             obj[attrname][0])
 
-                    diff = get_diff_sds(well_known_sd, current_sd, security.dom_sid(self.samdb.get_domain_sid()))
+                    ignoreAdditionalACEs = False
+                    if not self.reset_well_known_acls:
+                        ignoreAdditionalACEs = True
+
+                    diff = get_diff_sds(well_known_sd, current_sd,
+                                        security.dom_sid(self.samdb.get_domain_sid()),
+                                        ignoreAdditionalACEs=ignoreAdditionalACEs)
                     if diff != "":
                         self.err_wrong_default_sd(dn, well_known_sd, diff)
                         error_count += 1
diff --git a/python/samba/descriptor.py b/python/samba/descriptor.py
index ac4c7e3273d..34877fa4814 100644
--- a/python/samba/descriptor.py
+++ b/python/samba/descriptor.py
@@ -52,6 +52,16 @@ def get_empty_descriptor(domain_sid, name_map={}):
 # "get_schema_descriptor" is located in "schema.py"
 
 
+def get_deletedobjects_descriptor(domain_sid, name_map=None):
+    if name_map is None:
+        name_map = {}
+
+    sddl = "O:SYG:SYD:PAI" \
+        "(A;;RPWPCCDCLCRCWOWDSDSW;;;SY)" \
+        "(A;;RPLC;;;BA)"
+    return sddl2binary(sddl, domain_sid, name_map)
+
+
 def get_config_descriptor(domain_sid, name_map={}):
     sddl = "O:EAG:EAD:(OA;;CR;1131f6aa-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
            "(OA;;CR;1131f6ab-9c07-11d1-f79f-00c04fc2dcd2;;ED)" \
@@ -407,6 +417,7 @@ def get_wellknown_sds(samdb):
     # Then subcontainers
     subcontainers = [
         (ldb.Dn(samdb, "%s" % str(samdb.domain_dn())), get_domain_descriptor),
+        (ldb.Dn(samdb, "CN=Deleted Objects,%s" % str(samdb.domain_dn())), get_deletedobjects_descriptor),
         (ldb.Dn(samdb, "CN=LostAndFound,%s" % str(samdb.domain_dn())), get_domain_delete_protected2_descriptor),
         (ldb.Dn(samdb, "CN=System,%s" % str(samdb.domain_dn())), get_domain_delete_protected1_descriptor),
         (ldb.Dn(samdb, "CN=Infrastructure,%s" % str(samdb.domain_dn())), get_domain_infrastructure_descriptor),
@@ -417,6 +428,7 @@ def get_wellknown_sds(samdb):
         (ldb.Dn(samdb, "CN=MicrosoftDNS,CN=System,%s" % str(samdb.domain_dn())), get_dns_domain_microsoft_dns_descriptor),
 
         (ldb.Dn(samdb, "%s" % str(samdb.get_config_basedn())), get_config_descriptor),
+        (ldb.Dn(samdb, "CN=Deleted Objects,%s" % str(samdb.get_config_basedn())), get_deletedobjects_descriptor),
         (ldb.Dn(samdb, "CN=NTDS Quotas,%s" % str(samdb.get_config_basedn())), get_config_ntds_quotas_descriptor),
         (ldb.Dn(samdb, "CN=LostAndFoundConfig,%s" % str(samdb.get_config_basedn())), get_config_delete_protected1wd_descriptor),
         (ldb.Dn(samdb, "CN=Services,%s" % str(samdb.get_config_basedn())), get_config_delete_protected1_descriptor),
@@ -441,6 +453,9 @@ def get_wellknown_sds(samdb):
         if ldb.Dn(samdb, nc.decode('utf8')) == dnsforestdn:
             c = (ldb.Dn(samdb, "%s" % str(dnsforestdn)), get_dns_partition_descriptor)
             subcontainers.append(c)
+            c = (ldb.Dn(samdb, "CN=Deleted Objects,%s" % str(dnsforestdn)),
+                 get_deletedobjects_descriptor)
+            subcontainers.append(c)
             c = (ldb.Dn(samdb, "CN=Infrastructure,%s" % str(dnsforestdn)),
                  get_domain_delete_protected1_descriptor)
             subcontainers.append(c)
@@ -456,6 +471,9 @@ def get_wellknown_sds(samdb):
         if ldb.Dn(samdb, nc.decode('utf8')) == dnsdomaindn:
             c = (ldb.Dn(samdb, "%s" % str(dnsdomaindn)), get_dns_partition_descriptor)
             subcontainers.append(c)
+            c = (ldb.Dn(samdb, "CN=Deleted Objects,%s" % str(dnsdomaindn)),
+                 get_deletedobjects_descriptor)
+            subcontainers.append(c)
             c = (ldb.Dn(samdb, "CN=Infrastructure,%s" % str(dnsdomaindn)),
                  get_domain_delete_protected1_descriptor)
             subcontainers.append(c)
@@ -548,7 +566,8 @@ def get_clean_sd(sd):
     return sd_clean
 
 
-def get_diff_sds(refsd, cursd, domainsid, checkSacl=True):
+def get_diff_sds(refsd, cursd, domainsid, checkSacl=True,
+                 ignoreAdditionalACEs=False):
     """Get the difference between 2 sd
 
     This function split the textual representation of ACL into smaller
@@ -603,6 +622,10 @@ def get_diff_sds(refsd, cursd, domainsid, checkSacl=True):
                     h_ref.remove(k)
 
             if len(h_cur) + len(h_ref) > 0:
+                if txt == "" and len(h_ref) == 0:
+                    if ignoreAdditionalACEs:
+                        return ""
+
                 txt = "%s\tPart %s is different between reference" \
                       " and current here is the detail:\n" % (txt, part)
 
diff --git a/python/samba/provision/__init__.py b/python/samba/provision/__init__.py
index ff9b8fac916..f7d7468e4fa 100644
--- a/python/samba/provision/__init__.py
+++ b/python/samba/provision/__init__.py
@@ -78,6 +78,7 @@ from samba.provision.backend import (
     LDBBackend,
 )
 from samba.descriptor import (
+    get_deletedobjects_descriptor,
     get_empty_descriptor,
     get_config_descriptor,
     get_config_partitions_descriptor,
@@ -1441,6 +1442,8 @@ def fill_samdb(samdb, lp, names, logger, policyguid,
     msg["subRefs"] = ldb.MessageElement(names.configdn, ldb.FLAG_MOD_ADD,
                                         "subRefs")
 
+    deletedobjects_descr = b64encode(get_deletedobjects_descriptor(names.domainsid)).decode('utf8')
+
     samdb.invocation_id = invocationid
 
     # If we are setting up a subdomain, then this has been replicated in, so we don't need to add it
@@ -1472,6 +1475,7 @@ def fill_samdb(samdb, lp, names, logger, policyguid,
                 "FOREST_FUNCTIONALITY": str(forestFunctionality),
                 "DOMAIN_FUNCTIONALITY": str(domainFunctionality),
                 "NTDSQUOTAS_DESCRIPTOR": ntdsquotas_descr,
+                "DELETEDOBJECTS_DESCRIPTOR": deletedobjects_descr,
                 "LOSTANDFOUND_DESCRIPTOR": protected1wd_descr,
                 "SERVICES_DESCRIPTOR": protected1_descr,
                 "PHYSICALLOCATIONS_DESCRIPTOR": protected1wd_descr,
@@ -1536,6 +1540,7 @@ def fill_samdb(samdb, lp, names, logger, policyguid,
         "RIDAVAILABLESTART": str(next_rid + 600),
         "POLICYGUID_DC": policyguid_dc,
         "INFRASTRUCTURE_DESCRIPTOR": infrastructure_desc,
+        "DELETEDOBJECTS_DESCRIPTOR": deletedobjects_descr,
         "LOSTANDFOUND_DESCRIPTOR": lostandfound_desc,
         "SYSTEM_DESCRIPTOR": system_desc,
         "BUILTIN_DESCRIPTOR": builtin_desc,
diff --git a/python/samba/provision/sambadns.py b/python/samba/provision/sambadns.py
index 9184711a764..d057b7830ad 100644
--- a/python/samba/provision/sambadns.py
+++ b/python/samba/provision/sambadns.py
@@ -42,6 +42,7 @@ from samba.dsdb import (
     DS_GUID_USERS_CONTAINER
 )
 from samba.descriptor import (
+    get_deletedobjects_descriptor,
     get_domain_descriptor,
     get_domain_delete_protected1_descriptor,
     get_domain_delete_protected2_descriptor,
@@ -256,6 +257,7 @@ def setup_dns_partitions(samdb, domainsid, domaindn, forestdn, configdn,
     domainzone_dn = "DC=DomainDnsZones,%s" % domaindn
     forestzone_dn = "DC=ForestDnsZones,%s" % forestdn
     descriptor = get_dns_partition_descriptor(domainsid)
+    deletedobjects_desc = get_deletedobjects_descriptor(domainsid)
 
     setup_add_ldif(samdb, setup_path("provision_dnszones_partitions.ldif"), {
         "ZONE_DN": domainzone_dn,
@@ -278,6 +280,7 @@ def setup_dns_partitions(samdb, domainsid, domaindn, forestdn, configdn,
         "ZONE_DNS": domainzone_dns,
         "CONFIGDN": configdn,
         "SERVERDN": serverdn,
+        "DELETEDOBJECTS_DESCRIPTOR": b64encode(deletedobjects_desc).decode('utf8'),
         "LOSTANDFOUND_DESCRIPTOR": b64encode(protected2_desc).decode('utf8'),
         "INFRASTRUCTURE_DESCRIPTOR": b64encode(protected1_desc).decode('utf8'),
     })
@@ -297,6 +300,7 @@ def setup_dns_partitions(samdb, domainsid, domaindn, forestdn, configdn,
             "ZONE_DNS": forestzone_dns,
             "CONFIGDN": configdn,
             "SERVERDN": serverdn,
+            "DELETEDOBJECTS_DESCRIPTOR": b64encode(deletedobjects_desc).decode('utf8'),
             "LOSTANDFOUND_DESCRIPTOR": b64encode(protected2_desc).decode('utf8'),
             "INFRASTRUCTURE_DESCRIPTOR": b64encode(protected1_desc).decode('utf8'),
         })
diff --git a/selftest/knownfail.d/samba4.ldap.confidential_attr b/selftest/knownfail.d/samba4.ldap.confidential_attr
new file mode 100644
index 00000000000..46a75ce928b
--- /dev/null
+++ b/selftest/knownfail.d/samba4.ldap.confidential_attr
@@ -0,0 +1 @@
+^samba4.ldap.confidential_attr.python.*.__main__.*.test_search_with_dirsync_deleted_objects
diff --git a/source4/dsdb/samdb/ldb_modules/dirsync.c b/source4/dsdb/samdb/ldb_modules/dirsync.c
index fbb75790095..124cff25e39 100644
--- a/source4/dsdb/samdb/ldb_modules/dirsync.c
+++ b/source4/dsdb/samdb/ldb_modules/dirsync.c
@@ -151,10 +151,6 @@ static int dirsync_filter_entry(struct ldb_request *req,
 	 * list only the attribute that have been modified since last interogation
 	 *
 	 */
-	newmsg = ldb_msg_new(dsc->req);
-	if (newmsg == NULL) {
-		return ldb_oom(ldb);
-	}
 	for (i = msg->num_elements - 1; i >= 0; i--) {
 		if (ldb_attr_cmp(msg->elements[i].name, "uSNChanged") == 0) {
 			int error = 0;
@@ -201,11 +197,6 @@ static int dirsync_filter_entry(struct ldb_request *req,
 			 */
 			return LDB_SUCCESS;
 		}
-		newmsg->dn = ldb_dn_new(newmsg, ldb, "");
-		if (newmsg->dn == NULL) {
-			return ldb_oom(ldb);
-		}
-
 		el = ldb_msg_find_element(msg, "objectGUID");
 		if ( el != NULL) {
 			guidfound = true;
@@ -216,48 +207,14 @@ static int dirsync_filter_entry(struct ldb_request *req,
 		 * well will uncomment the code bellow
 		 */
 		SMB_ASSERT(guidfound == true);
-		/*
-		if (guidfound == false) {
-			struct GUID guid;
-			struct ldb_val *new_val;
-			DATA_BLOB guid_blob;
-
-			tmp[0] = '\0';
-			txt = strrchr(txt, ':');
-			if (txt == NULL) {
-				return ldb_module_done(dsc->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
-			}
-			txt++;
-
-			status = GUID_from_string(txt, &guid);
-			if (!NT_STATUS_IS_OK(status)) {
-				return ldb_module_done(dsc->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
-			}
-
-			status = GUID_to_ndr_blob(&guid, msg, &guid_blob);
-			if (!NT_STATUS_IS_OK(status)) {
-				return ldb_module_done(dsc->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
-			}
-
-			new_val = talloc(msg, struct ldb_val);
-			if (new_val == NULL) {
-				return ldb_oom(ldb);
-			}
-			new_val->data = talloc_steal(new_val, guid_blob.data);
-			new_val->length = guid_blob.length;
-			if (ldb_msg_add_value(msg, "objectGUID", new_val, NULL) != 0) {
-				return ldb_module_done(dsc->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
-			}
-		}
-		*/
-		ldb_msg_add(newmsg, el, LDB_FLAG_MOD_ADD);
-		talloc_steal(newmsg->elements, el->name);
-		talloc_steal(newmsg->elements, el->values);
-
-		talloc_steal(newmsg->elements, msg);
 		return ldb_module_send_entry(dsc->req, msg, controls);
 	}
 
+	newmsg = ldb_msg_new(dsc->req);
+	if (newmsg == NULL) {
+		return ldb_oom(ldb);
+	}
+
 	ndr_err = ndr_pull_struct_blob(replMetaData, dsc, &rmd,
 		(ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
 	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
diff --git a/source4/selftest/provisions/release-4-5-0-pre1/expected-dbcheck-link-output-missing-link-sid-corruption.txt b/source4/selftest/provisions/release-4-5-0-pre1/expected-dbcheck-link-output-missing-link-sid-corruption.txt
index 34576157f25..a8b65384910 100644
--- a/source4/selftest/provisions/release-4-5-0-pre1/expected-dbcheck-link-output-missing-link-sid-corruption.txt
+++ b/source4/selftest/provisions/release-4-5-0-pre1/expected-dbcheck-link-output-missing-link-sid-corruption.txt
@@ -1,8 +1,8 @@
-Change DN to <GUID=0da8f25e-d110-11e8-80b7-3c970ec68461>;<RMD_ADDTIME=123456789000000000>;<RMD_CHANGETIME=123456789000000000>;<RMD_FLAGS=1>;<RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;<RMD_LOCAL_USN=3769>;<RMD_ORIGINATING_USN=3769>;<RMD_VERSION=2>;<SID=S-1-5-21-4177067393-1453636373-93818738-771>;CN=missingsidu1,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp? [YES]
-Change DN to <GUID=66eb8f52-d110-11e8-ab9b-3c970ec68461>;<RMD_ADDTIME=123456789000000000>;<RMD_CHANGETIME=123456789000000000>;<RMD_FLAGS=0>;<RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;<RMD_LOCAL_USN=3768>;<RMD_ORIGINATING_USN=3768>;<RMD_VERSION=1>;<SID=S-1-5-21-4177067393-1453636373-93818738-772>;CN=missingsidu2,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp? [YES]
+Change DN to <GUID=0da8f25e-d110-11e8-80b7-3c970ec68461>;<RMD_ADDTIME=123456789000000000>;<RMD_CHANGETIME=123456789000000000>;<RMD_FLAGS=1>;<RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;<RMD_LOCAL_USN=3773>;<RMD_ORIGINATING_USN=3773>;<RMD_VERSION=2>;<SID=S-1-5-21-4177067393-1453636373-93818738-771>;CN=missingsidu1,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp? [YES]
+Change DN to <GUID=66eb8f52-d110-11e8-ab9b-3c970ec68461>;<RMD_ADDTIME=123456789000000000>;<RMD_CHANGETIME=123456789000000000>;<RMD_FLAGS=0>;<RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;<RMD_LOCAL_USN=3772>;<RMD_ORIGINATING_USN=3772>;<RMD_VERSION=1>;<SID=S-1-5-21-4177067393-1453636373-93818738-772>;CN=missingsidu2,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp? [YES]
 Checked 231 objects (2 errors)
 Checking 231 objects
-ERROR: missing DN SID component for member in object CN=missingsidg3,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp - <GUID=0da8f25e-d110-11e8-80b7-3c970ec68461>;<RMD_ADDTIME=123456789000000000>;<RMD_CHANGETIME=123456789000000000>;<RMD_FLAGS=1>;<RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;<RMD_LOCAL_USN=3769>;<RMD_ORIGINATING_USN=3769>;<RMD_VERSION=2>;CN=missingsidu1,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp
-ERROR: missing DN SID component for member in object CN=missingsidg3,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp - <GUID=66eb8f52-d110-11e8-ab9b-3c970ec68461>;<RMD_ADDTIME=123456789000000000>;<RMD_CHANGETIME=123456789000000000>;<RMD_FLAGS=0>;<RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;<RMD_LOCAL_USN=3768>;<RMD_ORIGINATING_USN=3768>;<RMD_VERSION=1>;CN=missingsidu2,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+ERROR: missing DN SID component for member in object CN=missingsidg3,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp - <GUID=0da8f25e-d110-11e8-80b7-3c970ec68461>;<RMD_ADDTIME=123456789000000000>;<RMD_CHANGETIME=123456789000000000>;<RMD_FLAGS=1>;<RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;<RMD_LOCAL_USN=3773>;<RMD_ORIGINATING_USN=3773>;<RMD_VERSION=2>;CN=missingsidu1,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+ERROR: missing DN SID component for member in object CN=missingsidg3,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp - <GUID=66eb8f52-d110-11e8-ab9b-3c970ec68461>;<RMD_ADDTIME=123456789000000000>;<RMD_CHANGETIME=123456789000000000>;<RMD_FLAGS=0>;<RMD_INVOCID=4e4496a3-7fb8-4f97-8a33-d238db8b5e2d>;<RMD_LOCAL_USN=3772>;<RMD_ORIGINATING_USN=3772>;<RMD_VERSION=1>;CN=missingsidu2,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp
 Fixed missing DN SID on attribute member
 Fixed missing DN SID on attribute member
diff --git a/source4/selftest/provisions/release-4-5-0-pre1/expected-links-after-dbcheck.ldif b/source4/selftest/provisions/release-4-5-0-pre1/expected-links-after-dbcheck.ldif
index 9ac86fcf1ee..86ff44ea224 100644
--- a/source4/selftest/provisions/release-4-5-0-pre1/expected-links-after-dbcheck.ldif
+++ b/source4/selftest/provisions/release-4-5-0-pre1/expected-links-after-dbcheck.ldif
@@ -1381,7 +1381,7 @@ uSNChanged: 3597
 dn: CN=Deleted Objects,DC=release-4-5-0-pre1,DC=samba,DC=corp
 objectCategory: CN=Container,CN=Schema,CN=Configuration,DC=release-4-5-0-pre1,
  DC=samba,DC=corp
-uSNChanged: 3377
+uSNChanged: 3750
 
 # record 215
 dn: CN=ForeignSecurityPrincipals,DC=release-4-5-0-pre1,DC=samba,DC=corp
diff --git a/source4/selftest/provisions/release-4-5-0-pre1/rootdse-version.final.txt b/source4/selftest/provisions/release-4-5-0-pre1/rootdse-version.final.txt
index 0028f9b6e4a..7ed468b6c0c 100644
--- a/source4/selftest/provisions/release-4-5-0-pre1/rootdse-version.final.txt
+++ b/source4/selftest/provisions/release-4-5-0-pre1/rootdse-version.final.txt
@@ -1 +1 @@
-highestCommittedUSN: 3746
+highestCommittedUSN: 3750
diff --git a/source4/setup/provision.ldif b/source4/setup/provision.ldif
index 5d9eba49f86..7f966fd57f8 100644
--- a/source4/setup/provision.ldif
+++ b/source4/setup/provision.ldif
@@ -34,6 +34,7 @@ isDeleted: TRUE
 isCriticalSystemObject: TRUE
 showInAdvancedViewOnly: TRUE
 systemFlags: -1946157056
+nTSecurityDescriptor:: ${DELETEDOBJECTS_DESCRIPTOR}
 
 # Computers located in "provision_computers*.ldif"
 # Users/Groups located in "provision_users*.ldif"
diff --git a/source4/setup/provision_configuration.ldif b/source4/setup/provision_configuration.ldif
index 53c9c8536de..8fcbddbdae4 100644
--- a/source4/setup/provision_configuration.ldif
+++ b/source4/setup/provision_configuration.ldif
@@ -14,6 +14,7 @@ description: Container for deleted objects
 isDeleted: TRUE
 isCriticalSystemObject: TRUE
 systemFlags: -1946157056
+nTSecurityDescriptor:: ${DELETEDOBJECTS_DESCRIPTOR}
 
 # Extended rights
 
diff --git a/source4/setup/provision_dnszones_add.ldif b/source4/setup/provision_dnszones_add.ldif
index 860aa4b72b3..a2d6b6bab8f 100644
--- a/source4/setup/provision_dnszones_add.ldif
+++ b/source4/setup/provision_dnszones_add.ldif
@@ -8,6 +8,7 @@ description: Deleted objects
 isDeleted: TRUE
 isCriticalSystemObject: TRUE
 systemFlags: -1946157056
+nTSecurityDescriptor:: ${DELETEDOBJECTS_DESCRIPTOR}
 
 dn: CN=LostAndFound,${ZONE_DN}
 objectClass: top
diff --git a/testprogs/blackbox/dbcheck-links.sh b/testprogs/blackbox/dbcheck-links.sh
index aaf93a8cc48..63ad8dbce44 100755
--- a/testprogs/blackbox/dbcheck-links.sh
+++ b/testprogs/blackbox/dbcheck-links.sh
@@ -59,6 +59,16 @@ dbcheck()
 	fi
 }
 
+dbcheck_acl_reset()
+{
+	$PYTHON $BINDIR/samba-tool dbcheck -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb --cross-ncs --fix --yes --attrs=nTSecurityDescriptor
+}
+
+dbcheck_acl_clean()
+{
+	$PYTHON $BINDIR/samba-tool dbcheck -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb --cross-ncs --attrs=nTSecurityDescriptor
+}
+
 dbcheck_dangling()
 {
 	dbcheck "" "1" "--selftest-check-expired-tombstones"
@@ -925,6 +935,8 @@ EOF
 remove_directory $PREFIX_ABS/${RELEASE}
 
 testit $RELEASE undump || failed=$(expr $failed + 1)
+testit_expect_failure "dbcheck_acl_reset" dbcheck_acl_reset || failed=$(expr $failed + 1)
+testit "dbcheck_acl_clean" dbcheck_acl_clean || failed=$(expr $failed + 1)
 testit "add_two_more_users" add_two_more_users || failed=$(expr $failed + 1)
 testit "add_four_more_links" add_four_more_links || failed=$(expr $failed + 1)
 testit "remove_one_link" remove_one_link || failed=$(expr $failed + 1)
diff --git a/wscript b/wscript
index 08995fbe4ec..b87b043e12b 100644
--- a/wscript
+++ b/wscript
@@ -542,6 +542,11 @@ def distcheck():
     '''test that distribution tarball builds and installs'''
     samba_version.load_version(env=None)
 
+def printversion(ctx):
+    '''print version'''
+    ver = samba_version.load_version(env=None)
+    print('Samba Version: ' + ver.STRING_WITH_NICKNAME)
+
 def wildcard_cmd(cmd):
     '''called on a unknown command'''
     from samba_wildcard import run_named_build_task


-- 
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