Patches Ruby to skip SSLv2 usage if not available (OpenSSL 1.0 ships with SSLv2 disabled)

ruby-1.8.7-nossl2.diff

diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index 6554eba..55b01be 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -44,7 +44,7 @@ if $mingw
   have_library("gdi32")
 end
 result = have_header("openssl/ssl.h")
-result &&= %w[crypto libeay32].any? {|lib| have_library(lib, "OpenSSL_add_all_digests")}
+result &&= %w[crypto libeay32].any? {|lib| have_library(lib, "OpenSSL_add_all_digests", ["openssl/evp.h"])}
 result &&= %w[ssl ssleay32].any? {|lib| have_library(lib, "SSL_library_init")}
 if !result
   unless pkg_config("openssl") and have_header("openssl/ssl.h")
@@ -97,6 +97,9 @@ have_func("X509_STORE_set_ex_data")
 have_func("OBJ_NAME_do_all_sorted")
 have_func("SSL_SESSION_get_id")
 have_func("OPENSSL_cleanse")
+have_func("SSLv2_method")
+have_func("SSLv2_server_method")
+have_func("SSLv2_client_method")
 if try_compile("#define FOO(...) foo(__VA_ARGS__)\n int x(){FOO(1);FOO(1,2);FOO(1,2,3);}\n")
   $defs.push("-DHAVE_VA_ARGS_MACRO")
 end
diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
index 1ee391c..3cc983b 100644
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -101,9 +101,12 @@ struct {
     OSSL_SSL_METHOD_ENTRY(TLSv1),
     OSSL_SSL_METHOD_ENTRY(TLSv1_server),
     OSSL_SSL_METHOD_ENTRY(TLSv1_client),
+#if defined(HAVE_SSLV2_METHOD) && defined(HAVE_SSLV2_SERVER_METHOD) && \
+        defined(HAVE_SSLV2_CLIENT_METHOD)
     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),

ruby-1.9.2-nossl2.diff

diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
index e8d2e86..be62fcc 100644
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -107,9 +107,12 @@ struct {
     OSSL_SSL_METHOD_ENTRY(TLSv1),
     OSSL_SSL_METHOD_ENTRY(TLSv1_server),
     OSSL_SSL_METHOD_ENTRY(TLSv1_client),
+#if defined(HAVE_SSLV2_METHOD) && defined(HAVE_SSLV2_SERVER_METHOD) && \
+        defined(HAVE_SSLV2_CLIENT_METHOD)
     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),