Fix fcc_remove_cred() on platforms with non-standard rename()

diff --git a/lib/krb5/fcache.c b/lib/krb5/fcache.c
index 85c95bd5e8e77a2289ce5eada4258abd92b7f1fd..1e6397427569df30e5909c90d1e04411bd5b9375 100644 (file)
--- a/lib/krb5/fcache.c
+++ b/lib/krb5/fcache.c
@@ -814,6 +814,14 @@ fcc_remove_cred(krb5_context context,
     }
 
     ret = rename(&newname[5], FILENAME(id));
+#ifdef RENAME_DOES_NOT_UNLINK
+    if (ret && (errno == EEXIST || errno == EACCES)) {
+       ret = unlink(FILENAME(id));
+       if (ret == 0) {
+           ret = rename(&newname[5], FILENAME(id));
+       }
+    }
+#endif
     if (ret)
        ret = errno;
     free(newname);