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digest.c: raise exception on init failure

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* ext/digest/digest.c: expect digest init and finish functions to
  indicate success or failure; raise exception on failure.
  [ruby-core:61614] [Bug #9659]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46826 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-07-15 14:58:53 +00:00
parent a3f50234bc
commit 6046b9f149
3 changed files with 21 additions and 7 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Tue Jul 15 23:58:59 2014 Jared Jennings <jared.jennings.ctr@us.af.mil>
* ext/digest/digest.c: expect digest init and finish functions to
indicate success or failure; raise exception on failure.
[ruby-core:61614] [Bug #9659]
Tue Jul 15 20:31:40 2014 Masaki Suketa <masaki.suketa@nifty.ne.jp>
* ext/win32ole/win32ole.c: modify document for WIN32OLE_RECORD.

16
ext/digest/digest.c
View file

@ -521,7 +521,7 @@ get_digest_base_metadata(VALUE klass)
Data_Get_Struct(obj, rb_digest_metadata_t, algo);
switch (algo->api_version) {
case 2:
case 3:
break;
/*
@ -535,6 +535,14 @@ get_digest_base_metadata(VALUE klass)
return algo;
}
static inline void
algo_init(const rb_digest_metadata_t *algo, void *pctx)
{
if (algo->init_func(pctx) != 1) {
rb_raise(rb_eRuntimeError, "Digest initialization failed.");
}
}
static VALUE
rb_digest_base_alloc(VALUE klass)
{
@ -549,7 +557,7 @@ rb_digest_base_alloc(VALUE klass)
algo = get_digest_base_metadata(klass);
pctx = xmalloc(algo->ctx_size);
algo->init_func(pctx);
algo_init(algo, pctx);
obj = Data_Wrap_Struct(klass, 0, xfree, pctx);
@ -587,7 +595,7 @@ rb_digest_base_reset(VALUE self)
Data_Get_Struct(self, void, pctx);
algo->init_func(pctx);
algo_init(algo, pctx);
return self;
}
@ -625,7 +633,7 @@ rb_digest_base_finish(VALUE self)
algo->finish_func(pctx, (unsigned char *)RSTRING_PTR(str));
/* avoid potential coredump caused by use of a finished context */
algo->init_func(pctx);
algo_init(algo, pctx);
return str;
}

6
ext/digest/digest.h
View file

@ -15,11 +15,11 @@
#include "ruby.h"
#define RUBY_DIGEST_API_VERSION 2
#define RUBY_DIGEST_API_VERSION 3
typedef void (*rb_digest_hash_init_func_t)(void *);
typedef int (*rb_digest_hash_init_func_t)(void *);
typedef void (*rb_digest_hash_update_func_t)(void *, unsigned char *, size_t);
typedef void (*rb_digest_hash_finish_func_t)(void *, unsigned char *);
typedef int (*rb_digest_hash_finish_func_t)(void *, unsigned char *);
typedef struct {
int api_version;