class Schema(object):
def __init__(self, setup_path, domain_sid, schemadn=None,
serverdn=None, files=None, prefixmap=None):
"""Load schema for the SamDB from the AD schema files and samba4_schema.ldif
:param samdb: Load a schema into a SamDB.
:param setup_path: Setup path function.
:param schemadn: DN of the schema
:param serverdn: DN of the server
Returns the schema data loaded, to avoid double-parsing when then needing to add it to the db
"""
self.schemadn = schemadn
self.ldb = Ldb()
self.schema_data = read_ms_schema(setup_path('ad-schema/MS-AD_Schema_2K8_R2_Attributes.txt'),
setup_path('ad-schema/MS-AD_Schema_2K8_R2_Classes.txt'))
if files is not None:
for file in files:
self.schema_data += open(file, 'r').read()
self.schema_data = substitute_var(self.schema_data, {"SCHEMADN": schemadn})
check_all_substituted(self.schema_data)
self.schema_dn_modify = read_and_sub_file(setup_path("provision_schema_basedn_modify.ldif"),
{"SCHEMADN": schemadn,
"SERVERDN": serverdn,
})
descr = b64encode(get_schema_descriptor(domain_sid))
self.schema_dn_add = read_and_sub_file(setup_path("provision_schema_basedn.ldif"),
{"SCHEMADN": schemadn,
"DESCRIPTOR": descr
})
self.prefixmap_data = open(setup_path("prefixMap.txt"), 'r').read()
if prefixmap is not None:
for map in prefixmap:
self.prefixmap_data += "%s\n" % map
self.prefixmap_data = b64encode(self.prefixmap_data)
# We don't actually add this ldif, just parse it
prefixmap_ldif = "dn: cn=schema\nprefixMap:: %s\n\n" % self.prefixmap_data
self.ldb.set_schema_from_ldif(prefixmap_ldif, self.schema_data)
def write_to_tmp_ldb(self, schemadb_path):
self.ldb.connect(schemadb_path)
self.ldb.transaction_start()
self.ldb.add_ldif("""dn: @ATTRIBUTES
linkID: INTEGER
dn: @INDEXLIST
@IDXATTR: linkID
@IDXATTR: attributeSyntax
""")
# These bits of LDIF are supplied when the Schema object is created
self.ldb.add_ldif(self.schema_dn_add)
self.ldb.modify_ldif(self.schema_dn_modify)
self.ldb.add_ldif(self.schema_data)
self.ldb.transaction_commit()
# Return a hash with the forward attribute as a key and the back as the value
def linked_attributes(self):
return get_linked_attributes(self.schemadn, self.ldb)
def dnsyntax_attributes(self):
return get_dnsyntax_attributes(self.schemadn, self.ldb)
class Schema(object):
def __init__(self,
setup_path,
domain_sid,
schemadn=None,
serverdn=None,
files=None,
prefixmap=None):
"""Load schema for the SamDB from the AD schema files and samba4_schema.ldif
:param samdb: Load a schema into a SamDB.
:param setup_path: Setup path function.
:param schemadn: DN of the schema
:param serverdn: DN of the server
Returns the schema data loaded, to avoid double-parsing when then needing to add it to the db
"""
self.schemadn = schemadn
self.ldb = Ldb()
self.schema_data = read_ms_schema(
setup_path('ad-schema/MS-AD_Schema_2K8_Attributes.txt'),
setup_path('ad-schema/MS-AD_Schema_2K8_Classes.txt'))
if files is not None:
for file in files:
self.schema_data += open(file, 'r').read()
self.schema_data = substitute_var(self.schema_data,
{"SCHEMADN": schemadn})
check_all_substituted(self.schema_data)
self.schema_dn_modify = read_and_sub_file(
setup_path("provision_schema_basedn_modify.ldif"), {
"SCHEMADN": schemadn,
"SERVERDN": serverdn,
})
descr = b64encode(get_schema_descriptor(domain_sid))
self.schema_dn_add = read_and_sub_file(
setup_path("provision_schema_basedn.ldif"), {
"SCHEMADN": schemadn,
"DESCRIPTOR": descr
})
self.prefixmap_data = open(setup_path("prefixMap.txt"), 'r').read()
if prefixmap is not None:
for map in prefixmap:
self.prefixmap_data += "%s\n" % map
self.prefixmap_data = b64encode(self.prefixmap_data)
# We don't actually add this ldif, just parse it
prefixmap_ldif = "dn: cn=schema\nprefixMap:: %s\n\n" % self.prefixmap_data
self.ldb.set_schema_from_ldif(prefixmap_ldif, self.schema_data)
def write_to_tmp_ldb(self, schemadb_path):
self.ldb.connect(schemadb_path)
self.ldb.transaction_start()
self.ldb.add_ldif("""dn: @ATTRIBUTES
linkID: INTEGER
dn: @INDEXLIST
@IDXATTR: linkID
@IDXATTR: attributeSyntax
""")
# These bits of LDIF are supplied when the Schema object is created
self.ldb.add_ldif(self.schema_dn_add)
self.ldb.modify_ldif(self.schema_dn_modify)
self.ldb.add_ldif(self.schema_data)
self.ldb.transaction_commit()
# Return a hash with the forward attribute as a key and the back as the value
def linked_attributes(self):
return get_linked_attributes(self.schemadn, self.ldb)
def dnsyntax_attributes(self):
return get_dnsyntax_attributes(self.schemadn, self.ldb)
