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-rw-r--r--source3/libads/kerberos_verify.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/source3/libads/kerberos_verify.c b/source3/libads/kerberos_verify.c
index 8a18976b3a..d81a0a1629 100644
--- a/source3/libads/kerberos_verify.c
+++ b/source3/libads/kerberos_verify.c
@@ -39,11 +39,13 @@ static BOOL ads_keytab_verify_ticket(krb5_context context, krb5_auth_context aut
BOOL auth_ok = False;
krb5_keytab keytab = NULL;
- krb5_kt_cursor cursor = NULL;
+ krb5_kt_cursor cursor;
krb5_keytab_entry kt_entry;
char *princ_name = NULL;
ZERO_STRUCT(kt_entry);
+ ZERO_STRUCT(cursor);
+
ret = krb5_kt_default(context, &keytab);
if (ret) {
DEBUG(1, ("ads_keytab_verify_ticket: krb5_kt_default failed (%s)\n", error_message(ret)));
@@ -100,8 +102,12 @@ static BOOL ads_keytab_verify_ticket(krb5_context context, krb5_auth_context aut
if (princ_name) {
krb5_free_unparsed_name(context, princ_name);
}
- if (cursor && keytab) {
- krb5_kt_end_seq_get(context, keytab, &cursor);
+ {
+ krb5_kt_cursor zero_csr;
+ ZERO_STRUCT(zero_csr);
+ if ((memcmp(&cursor, &zero_csr, sizeof(krb5_kt_cursor)) != 0) && keytab) {
+ krb5_kt_end_seq_get(context, keytab, &cursor);
+ }
}
if (keytab) {
krb5_kt_close(context, keytab);