From b983e73adf7a7d3fd07fdf493eee51c22881a6e6 Mon Sep 17 00:00:00 2001
From: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Date: Wed, 6 Apr 2011 02:28:09 +0900
Subject: [PATCH] Add option which enable SSLv2 support

From openssl 1.0, SSLv2 becomes disable by default.
If you want to use SSLv2 in ruby, you need config with --enable-opensslv2.
The SSLv2 support is disable by default.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---
 ext/openssl/extconf.rb |    8 ++++++++
 ext/openssl/ossl_ssl.c |    2 ++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index b1f2d88..89c6f19 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -33,6 +33,14 @@ if with_config("debug") or enable_config("debug")
   end
 end
 
+## 
+## From openssl 1.0, SSLv2 becomes disable by default.
+## If you want to use SSLv2 in ruby, you need config with --enable-opensslv2.
+##
+if enable_config("opensslv2")
+  $defs << "-DENABLE_OPENSSLV2"
+end
+
 message "=== Checking for system dependent stuff... ===\n"
 have_library("nsl", "t_open")
 have_library("socket", "socket")
diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
index d8951fb..d0c9059 100644
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -107,9 +107,11 @@ struct {
     OSSL_SSL_METHOD_ENTRY(TLSv1),
     OSSL_SSL_METHOD_ENTRY(TLSv1_server),
     OSSL_SSL_METHOD_ENTRY(TLSv1_client),
+#if defined(ENABLE_OPENSSLV2)
     OSSL_SSL_METHOD_ENTRY(SSLv2),
     OSSL_SSL_METHOD_ENTRY(SSLv2_server),
     OSSL_SSL_METHOD_ENTRY(SSLv2_client),
+#endif
     OSSL_SSL_METHOD_ENTRY(SSLv3),
     OSSL_SSL_METHOD_ENTRY(SSLv3_server),
     OSSL_SSL_METHOD_ENTRY(SSLv3_client),
-- 
1.7.4.1