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-rw-r--r--ipa-server/xmlrpc-server/funcs.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/ipa-server/xmlrpc-server/funcs.py b/ipa-server/xmlrpc-server/funcs.py
index 74a3030c8..d83fed09e 100644
--- a/ipa-server/xmlrpc-server/funcs.py
+++ b/ipa-server/xmlrpc-server/funcs.py
@@ -1974,6 +1974,9 @@ class IPAServer:
entry = self.get_entry_by_dn(principal, ['dn', 'objectclass'], opts)
if entry is None:
raise ipaerror.gen_exception(ipaerror.LDAP_NOT_FOUND)
+ dn_list = ldap.explode_dn(entry['dn'].lower())
+ if "cn=kerberos" in dn_list:
+ raise ipaerror.gen_exception(ipaerror.INPUT_SERVICE_PRINCIPAL_REQUIRED)
conn = self.getConnection(opts)
try: