* string.c (rb_memhash): randomize hash to avoid algorithmic

  complexity attacks.
  (rb_str_hash): use rb_memhash.

* include/ruby/intern.h (rb_reset_random_seed): declared.

* thread.c (rb_thread_atfork): call rb_reset_random_seed.

* inits.c (rb_call_inits): call Init_RandomSeed at first.

* random.c (seed_initialized): defined.
  (fill_random_seed): extracted from random_seed.
  (make_seed_value): extracted from random_seed.
  (rb_f_rand): initialize random seed at first.
  (initial_seed): defined.
  (Init_RandomSeed): defined.
  (Init_RandomSeed2): defined.
  (rb_reset_random_seed): defined.
  (Init_Random): call Init_RandomSeed2.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/inits.c b/inits.c
index d031fcf08f..5e55d7f69d 100644
--- a/inits.c
+++ b/inits.c
@@ -38,6 +38,7 @@ void Init_Precision(void);
 void Init_sym(void);
 void Init_id(void);
 void Init_process(void);
+void Init_RandomSeed(void);
 void Init_Random(void);
 void Init_Range(void);
 void Init_Rational(void);
@@ -58,6 +59,7 @@ void Init_Encoding(void);
 void
 rb_call_inits()
 {
+    Init_RandomSeed();
     Init_sym();
     Init_id();
     Init_var_tables();