Auto update vendored Samba code

Author: GabrielNagy

.github/samba/python/samba/gp/gp_cert_auto_enroll_ext.py

@@ -19,6 +19,9 @@
 import requests
 from samba.gp.gpclass import gp_pol_ext, gp_applier, GPOSTATE
 from samba import Ldb
+from samba.dcerpc import misc
+from samba.ndr import ndr_unpack
+
 from ldb import SCOPE_SUBTREE, SCOPE_BASE
 from samba.auth import system_session
 from samba.gp.gpclass import get_dc_hostname
@@ -52,14 +55,6 @@ def load_der_pkcs7_certificates(x): return []
                      '/etc/pki/ca-trust/source/anchors', # RHEL/Fedora
                      '/usr/local/share/ca-certificates'] # Debian/Ubuntu
 
-def octet_string_to_objectGUID(data):
-    """Convert an octet string to an objectGUID."""
-    return '%s-%s-%s-%s-%s' % ('%02x' % struct.unpack('<L', data[0:4])[0],
-                               '%02x' % struct.unpack('<H', data[4:6])[0],
-                               '%02x' % struct.unpack('<H', data[6:8])[0],
-                               '%02x' % struct.unpack('>H', data[8:10])[0],
-                               '%02x%02x' % struct.unpack('>HL', data[10:]))
-
 
 def group_and_sort_end_point_information(end_point_information):
     """Group and Sort End Point Information.
@@ -480,7 +475,7 @@ def __read_cep_data(self, guid, ldb, end_point_information,
                 # instance. If the values do not match, continue with the next
                 # group.
                 objectGUID = '{%s}' % \
-                    octet_string_to_objectGUID(res2[0]['objectGUID'][0]).upper()
+                    str(ndr_unpack(misc.GUID, res2[0]['objectGUID'][0])).upper()
                 if objectGUID != e['PolicyID']:
                     continue
 

.github/samba/python/samba/gp/gpclass.py

@@ -673,8 +673,10 @@ def __init__(self, gPLink, gPOptions):
         self.gp_opts = int(gPOptions)
 
     def gpo_parse_gplink(self, gPLink):
+        # normally formed link looks like [LDAP://host/path;options]
+        # empty link looks like [ ]
         for p in gPLink.decode().split(']'):
-            if not p:
+            if not p or ';' not in p:
                 continue
             log.debug('gpo_parse_gplink: processing link')
             p = p.lstrip('[')