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

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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
This commit is contained in:
akr 2008-06-20 02:46:17 +00:00
parent 3af6dda231
commit 04739ba617
7 changed files with 107 additions and 18 deletions
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2
inits.c
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@ -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();