Split crypto and tls libraries into directories

I am calling the crypto library "crypt_ops", since I want
higher-level crypto things to be separated from lower-level ones.
This library will hold only the low-level ones, once we have it
refactored.

1 files changed, 51 insertions, 0 deletions

diff --git a/src/lib/crypt_ops/compat_openssl.h b/src/lib/crypt_ops/compat_openssl.h
new file mode 100644
index 0000000000..a94b264927
--- /dev/null
+++ b/src/lib/crypt_ops/compat_openssl.h
@@ -0,0 +1,51 @@
+/* Copyright (c) 2001, Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#ifndef TOR_COMPAT_OPENSSL_H
+#define TOR_COMPAT_OPENSSL_H
+
+#include <openssl/opensslv.h>
+#include "common/crypto_openssl_mgt.h"
+
+/**
+ * \file compat_openssl.h
+ *
+ * \brief compatibility definitions for working with different openssl forks
+ **/
+
+#if !defined(LIBRESSL_VERSION_NUMBER) && \
+  OPENSSL_VERSION_NUMBER < OPENSSL_V_SERIES(1,0,1)
+#error "We require OpenSSL >= 1.0.1"
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0) && \
+   ! defined(LIBRESSL_VERSION_NUMBER)
+/* We define this macro if we're trying to build with the majorly refactored
+ * API in OpenSSL 1.1 */
+#define OPENSSL_1_1_API
+#endif /* OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0) && ... */
+
+#ifndef OPENSSL_VERSION
+#define OPENSSL_VERSION SSLEAY_VERSION
+#endif
+
+#ifndef OPENSSL_1_1_API
+#define OpenSSL_version(v) SSLeay_version(v)
+#define OpenSSL_version_num() SSLeay()
+#define RAND_OpenSSL() RAND_SSLeay()
+#define STATE_IS_SW_SERVER_HELLO(st)       \
+  (((st) == SSL3_ST_SW_SRVR_HELLO_A) ||    \
+   ((st) == SSL3_ST_SW_SRVR_HELLO_B))
+#define OSSL_HANDSHAKE_STATE int
+#define CONST_IF_OPENSSL_1_1_API
+#else /* !(!defined(OPENSSL_1_1_API)) */
+#define STATE_IS_SW_SERVER_HELLO(st) \
+  ((st) == TLS_ST_SW_SRVR_HELLO)
+#define CONST_IF_OPENSSL_1_1_API const
+#endif /* !defined(OPENSSL_1_1_API) */
+
+#endif /* !defined(TOR_COMPAT_OPENSSL_H) */
+