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). --- mrbgems/mruby-enumerator/mrblib/enumerator.rb | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'mrbgems/mruby-enumerator/mrblib/enumerator.rb') diff --git a/mrbgems/mruby-enumerator/mrblib/enumerator.rb b/mrbgems/mruby-enumerator/mrblib/enumerator.rb index dbc7d3004..6dd971f3a 100644 --- a/mrbgems/mruby-enumerator/mrblib/enumerator.rb +++ b/mrbgems/mruby-enumerator/mrblib/enumerator.rb @@ -157,12 +157,10 @@ class Enumerator def with_index(offset=0, &block) return to_enum :with_index, offset unless block - offset = if offset.nil? - 0 - elsif offset.respond_to?(:to_int) - offset.to_int + if offset.nil? + offset = 0 else - raise TypeError, "no implicit conversion of #{offset.class} into Integer" + offset = offset.__to_int end n = offset - 1 -- cgit v1.2.3