python: Building without SSLv3 support

Building without SSLv3 support when openssl is built
without any support for SSLv3

Upstream-Status: Backport

Reference:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=76A8611#22

Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
---
diff -ruN a/Modules/_ssl.c b/Modules/_ssl.c
--- a/Modules/_ssl.c	2014-11-26 07:43:58.755679939 +0100
+++ b/Modules/_ssl.c	2014-11-26 07:49:10.454182400 +0100
@@ -302,8 +302,10 @@
     PySSL_BEGIN_ALLOW_THREADS
     if (proto_version == PY_SSL_VERSION_TLS1)
         self->ctx = SSL_CTX_new(TLSv1_method()); /* Set up context */
+#ifndef OPENSSL_NO_SSL3
     else if (proto_version == PY_SSL_VERSION_SSL3)
         self->ctx = SSL_CTX_new(SSLv3_method()); /* Set up context */
+#endif
 #ifndef OPENSSL_NO_SSL2
     else if (proto_version == PY_SSL_VERSION_SSL2)
         self->ctx = SSL_CTX_new(SSLv2_method()); /* Set up context */
@@ -1777,8 +1779,10 @@
     PyModule_AddIntConstant(m, "PROTOCOL_SSLv2",
                             PY_SSL_VERSION_SSL2);
 #endif
+#ifndef OPENSSL_NO_SSL3
     PyModule_AddIntConstant(m, "PROTOCOL_SSLv3",
                             PY_SSL_VERSION_SSL3);
+#endif
     PyModule_AddIntConstant(m, "PROTOCOL_SSLv23",
                             PY_SSL_VERSION_SSL23);
     PyModule_AddIntConstant(m, "PROTOCOL_TLSv1",