From afca99a40b8a3415b3a9a0e8fc41c93ddcbb11d8 Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Wed, 19 Sep 2018 20:53:32 +0900 Subject: Remove implicit conversion using `to_int` method. The ISO standard does not include implicit type conversion using `to_int`. This implicit conversion often causes vulnerability. There will be no more attacks like #4120. In addition, we have added internal convenience method `__to_int` which does type check and conversion (from floats). --- src/kernel.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/kernel.c') diff --git a/src/kernel.c b/src/kernel.c index db681d510..195594d6b 100644 --- a/src/kernel.c +++ b/src/kernel.c @@ -830,6 +830,7 @@ mrb_obj_ceqq(mrb_state *mrb, mrb_value self) } mrb_value mrb_obj_equal_m(mrb_state *mrb, mrb_value); + void mrb_init_kernel(mrb_state *mrb) { @@ -871,6 +872,7 @@ mrb_init_kernel(mrb_state *mrb) mrb_define_method(mrb, krn, "respond_to?", obj_respond_to, MRB_ARGS_ANY()); /* 15.3.1.3.43 */ mrb_define_method(mrb, krn, "to_s", mrb_any_to_s, MRB_ARGS_NONE()); /* 15.3.1.3.46 */ mrb_define_method(mrb, krn, "__case_eqq", mrb_obj_ceqq, MRB_ARGS_REQ(1)); /* internal */ + mrb_define_method(mrb, krn, "__to_int", mrb_to_int, MRB_ARGS_NONE()); /* internal */ mrb_define_method(mrb, krn, "class_defined?", mrb_krn_class_defined, MRB_ARGS_REQ(1)); -- cgit v1.2.3