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From 2aabfcd4c604891ab043649129bb1404e3c311f0 Mon Sep 17 00:00:00 2001
From: rhe <rhe@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 19 May 2016 04:53:05 +0000
Subject: [PATCH] openssl: register ex_data index for X509_STORE{_CTX,}
 respectively

* ext/openssl/ossl.c (Init_openssl): register an ex_data index for
  X509_STORE and X509_STORE_CTX respectively. Since they don't share
  the ex_data index registry, we can't use the same index.
  (ossl_verify_cb): use the the correct index.

* ext/openssl/ossl_ssl.c (ossl_ssl_verify_callback): ditto.

* ext/openssl/ossl_x509store.c (ossl_x509store_set_vfy_cb): ditto.
  (ossl_x509stctx_verify): ditto.

* ext/openssl/ossl.h (void ossl_clear_error): add extern declarations
  of ossl_store_{ctx_,}ex_verify_cb_idx.

* ext/openssl/openssl_missing.c: remove X509_STORE_set_ex_data and
  X509_STORE_get_ex_data.

* ext/openssl/openssl_missing.h: implement X509_STORE_get_ex_data,
  X509_STORE_set_ex_data and X509_STORE_get_ex_new_index as macros.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55074 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                     | 21 +++++++++++++++++++++
 ext/openssl/openssl_missing.c | 14 --------------
 ext/openssl/openssl_missing.h |  9 +++++++--
 ext/openssl/ossl.c            | 15 +++++++++------
 ext/openssl/ossl.h            |  3 ++-
 ext/openssl/ossl_ssl.c        |  2 +-
 ext/openssl/ossl_x509store.c  |  4 ++--
 7 files changed, 42 insertions(+), 26 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c163123..73ea253 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,24 @@
+Thu May 19 13:22:44 2016  Kazuki Yamaguchi  <k@rhe.jp>
+
+	* ext/openssl/ossl.c (Init_openssl): register an ex_data index for
+	  X509_STORE and X509_STORE_CTX respectively. Since they don't share
+	  the ex_data index registry, we can't use the same index.
+	  (ossl_verify_cb): use the the correct index.
+
+	* ext/openssl/ossl_ssl.c (ossl_ssl_verify_callback): ditto.
+
+	* ext/openssl/ossl_x509store.c (ossl_x509store_set_vfy_cb): ditto.
+	  (ossl_x509stctx_verify): ditto.
+
+	* ext/openssl/ossl.h (void ossl_clear_error): add extern declarations
+	  of ossl_store_{ctx_,}ex_verify_cb_idx.
+
+	* ext/openssl/openssl_missing.c: remove X509_STORE_set_ex_data and
+	  X509_STORE_get_ex_data.
+
+	* ext/openssl/openssl_missing.h: implement X509_STORE_get_ex_data,
+	  X509_STORE_set_ex_data and X509_STORE_get_ex_new_index as macros.
+
 Tue Apr 26 02:58:51 2016  Marcus Stollsteimer  <sto.mar@web.de>
 
 	* doc/extension.rdoc: Improvements to english grammers.
diff --git a/ext/openssl/openssl_missing.c b/ext/openssl/openssl_missing.c
index bd8eef5..31f2d0a 100644
--- a/ext/openssl/openssl_missing.c
+++ b/ext/openssl/openssl_missing.c
@@ -34,20 +34,6 @@ HMAC_CTX_copy(HMAC_CTX *out, HMAC_CTX *in)
 #endif /* HAVE_HMAC_CTX_COPY */
 #endif /* NO_HMAC */
 
-#if !defined(HAVE_X509_STORE_SET_EX_DATA)
-int X509_STORE_set_ex_data(X509_STORE *str, int idx, void *data)
-{
-    return CRYPTO_set_ex_data(&str->ex_data, idx, data);
-}
-#endif
-
-#if !defined(HAVE_X509_STORE_GET_EX_DATA)
-void *X509_STORE_get_ex_data(X509_STORE *str, int idx)
-{
-    return CRYPTO_get_ex_data(&str->ex_data, idx);
-}
-#endif
-
 #if !defined(HAVE_EVP_MD_CTX_CREATE)
 EVP_MD_CTX *
 EVP_MD_CTX_create(void)
diff --git a/ext/openssl/openssl_missing.h b/ext/openssl/openssl_missing.h
index 2dc49d3..955579c 100644
--- a/ext/openssl/openssl_missing.h
+++ b/ext/openssl/openssl_missing.h
@@ -133,11 +133,16 @@ int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, EVP_CIPHER_CTX *in);
 #endif
 
 #if !defined(HAVE_X509_STORE_GET_EX_DATA)
-void *X509_STORE_get_ex_data(X509_STORE *str, int idx);
+#  define X509_STORE_get_ex_data(x, idx) \
+	CRYPTO_get_ex_data(&(x)->ex_data, (idx))
 #endif
 
 #if !defined(HAVE_X509_STORE_SET_EX_DATA)
-int X509_STORE_set_ex_data(X509_STORE *str, int idx, void *data);
+#  define X509_STORE_set_ex_data(x, idx, data) \
+	CRYPTO_set_ex_data(&(x)->ex_data, (idx), (data))
+#  define X509_STORE_get_ex_new_index(l, p, newf, dupf, freef) \
+	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE, (l), (p), \
+				(newf), (dupf), (freef))
 #endif
 
 #if !defined(HAVE_X509_CRL_SET_VERSION)
diff --git a/ext/openssl/ossl.c b/ext/openssl/ossl.c
index ac82815..2b5579e 100644
--- a/ext/openssl/ossl.c
+++ b/ext/openssl/ossl.c
@@ -198,7 +198,8 @@ ossl_pem_passwd_cb(char *buf, int max_len, int flag, void *pwd)
 /*
  * Verify callback
  */
-int ossl_verify_cb_idx;
+int ossl_store_ctx_ex_verify_cb_idx;
+int ossl_store_ex_verify_cb_idx;
 
 VALUE
 ossl_call_verify_cb_proc(struct ossl_verify_cb_args *args)
@@ -214,10 +215,10 @@ ossl_verify_cb(int ok, X509_STORE_CTX *ctx)
     struct ossl_verify_cb_args args;
     int state = 0;
 
-    proc = (VALUE)X509_STORE_CTX_get_ex_data(ctx, ossl_verify_cb_idx);
-    if ((void*)proc == 0)
-	proc = (VALUE)X509_STORE_get_ex_data(ctx->ctx, ossl_verify_cb_idx);
-    if ((void*)proc == 0)
+    proc = (VALUE)X509_STORE_CTX_get_ex_data(ctx, ossl_store_ctx_ex_verify_cb_idx);
+    if (!proc)
+	proc = (VALUE)X509_STORE_get_ex_data(ctx->ctx, ossl_store_ex_verify_cb_idx);
+    if (!proc)
 	return ok;
     if (!NIL_P(proc)) {
 	ret = Qfalse;
@@ -1127,8 +1128,10 @@ Init_openssl(void)
     /*
      * Verify callback Proc index for ext-data
      */
-    if ((ossl_verify_cb_idx = X509_STORE_CTX_get_ex_new_index(0, (void *)"ossl_verify_cb_idx", 0, 0, 0)) < 0)
+    if ((ossl_store_ctx_ex_verify_cb_idx = X509_STORE_CTX_get_ex_new_index(0, (void *)"ossl_store_ctx_ex_verify_cb_idx", 0, 0, 0)) < 0)
         ossl_raise(eOSSLError, "X509_STORE_CTX_get_ex_new_index");
+    if ((ossl_store_ex_verify_cb_idx = X509_STORE_get_ex_new_index(0, (void *)"ossl_store_ex_verify_cb_idx", 0, 0, 0)) < 0)
+        ossl_raise(eOSSLError, "X509_STORE_get_ex_new_index");
 
     /*
      * Init debug core
diff --git a/ext/openssl/ossl.h b/ext/openssl/ossl.h
index a31ca95..5b2f6e1 100644
--- a/ext/openssl/ossl.h
+++ b/ext/openssl/ossl.h
@@ -167,7 +167,8 @@ void ossl_clear_error(void);
 /*
  * Verify callback
  */
-extern int ossl_verify_cb_idx;
+extern int ossl_store_ctx_ex_verify_cb_idx;
+extern int ossl_store_ex_verify_cb_idx;
 
 struct ossl_verify_cb_args {
     VALUE proc;
diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
index 938e36f..87df7f9 100644
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -307,7 +307,7 @@ ossl_ssl_verify_callback(int preverify_ok, X509_STORE_CTX *ctx)
 
     ssl = X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
     cb = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_vcb_idx);
-    X509_STORE_CTX_set_ex_data(ctx, ossl_verify_cb_idx, (void*)cb);
+    X509_STORE_CTX_set_ex_data(ctx, ossl_store_ctx_ex_verify_cb_idx, (void *)cb);
     return ossl_verify_cb(preverify_ok, ctx);
 }
 
diff --git a/ext/openssl/ossl_x509store.c b/ext/openssl/ossl_x509store.c
index aca25b1..8d6f9de 100644
--- a/ext/openssl/ossl_x509store.c
+++ b/ext/openssl/ossl_x509store.c
@@ -130,7 +130,7 @@ ossl_x509store_set_vfy_cb(VALUE self, VALUE cb)
     X509_STORE *store;
 
     GetX509Store(self, store);
-    X509_STORE_set_ex_data(store, ossl_verify_cb_idx, (void*)cb);
+    X509_STORE_set_ex_data(store, ossl_store_ex_verify_cb_idx, (void *)cb);
     rb_iv_set(self, "@verify_callback", cb);
 
     return cb;
@@ -467,7 +467,7 @@ ossl_x509stctx_verify(VALUE self)
     int result;
 
     GetX509StCtx(self, ctx);
-    X509_STORE_CTX_set_ex_data(ctx, ossl_verify_cb_idx,
+    X509_STORE_CTX_set_ex_data(ctx, ossl_store_ctx_ex_verify_cb_idx,
                                (void*)rb_iv_get(self, "@verify_callback"));
     result = X509_verify_cert(ctx);
 
-- 
2.10.0