1 files changed, 10 insertions, 0 deletions
diff --git a/ipaclient/remote_plugins/schema.py b/ipaclient/remote_plugins/schema.py
index b183fa137..fcff8bf01 100644
--- a/ipaclient/remote_plugins/schema.py
+++ b/ipaclient/remote_plugins/schema.py
@@ -23,6 +23,8 @@ from ipapython.dn import DN
 from ipapython.dnsutil import DNSName
 from ipapython.ipa_log_manager import log_mgr
 
+FORMAT = '0'
+
 if six.PY3:
     unicode = str
 
@@ -478,6 +480,14 @@ class Schema(object):
         return _LockedZipFile(path, mode)
 
     def _get_schema_fingerprint(self, schema):
+        try:
+            fmt = json.loads(schema.read('format'))
+        except KeyError:
+            fmt = '0'
+
+        if fmt != FORMAT:
+            raise RuntimeError('invalid format')
+
         schema_info = json.loads(schema.read(self.schema_info_path))
         return schema_info['fingerprint']