fixes #1005 TLS 1.3 support

This introduces support for an external wolfSSL plugin, and generally
creates the framework for pluggable TLS implementations.

The wolfSSL engine is provided via an external module (git submodule),
available either under a GPLv3 license or a commercial license.

1 files changed, 0 insertions, 154 deletions

diff --git a/src/supplemental/tls/none/tls.c b/src/supplemental/tls/none/tls.c
deleted file mode 100644
index a1e70b73..00000000
--- a/src/supplemental/tls/none/tls.c
+++ /dev/null
@@ -1,154 +0,0 @@
-//
-// Copyright 2019 Staysail Systems, Inc. <info@staysail.tech>
-// Copyright 2018 Capitar IT Group BV <info@capitar.com>
-// Copyright 2018 Devolutions <info@devolutions.net>
-//
-// This software is supplied under the terms of the MIT License, a
-// copy of which should be located in the distribution where this
-// file was obtained (LICENSE.txt).  A copy of the license may also be
-// found online at https://opensource.org/licenses/MIT.
-//
-
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-// This file is only used when TLS support is not build into the library.
-// We provide stub functions only to satisfy linkage.
-
-#include "core/nng_impl.h"
-#include "supplemental/tls/tls_api.h"
-
-void
-nni_tls_config_fini(nng_tls_config *cfg)
-{
-	NNI_ARG_UNUSED(cfg);
-}
-
-int
-nni_tls_config_init(nng_tls_config **cpp, enum nng_tls_mode mode)
-{
-	NNI_ARG_UNUSED(cpp);
-	NNI_ARG_UNUSED(mode);
-	return (NNG_ENOTSUP);
-}
-
-void
-nni_tls_config_hold(nng_tls_config *cfg)
-{
-	NNI_ARG_UNUSED(cfg);
-}
-
-int
-nng_tls_config_server_name(nng_tls_config *cfg, const char *name)
-{
-	NNI_ARG_UNUSED(cfg);
-	NNI_ARG_UNUSED(name);
-	return (NNG_ENOTSUP);
-}
-
-int
-nng_tls_config_auth_mode(nng_tls_config *cfg, nng_tls_auth_mode mode)
-{
-	NNI_ARG_UNUSED(cfg);
-	NNI_ARG_UNUSED(mode);
-	return (NNG_ENOTSUP);
-}
-
-int
-nng_tls_config_ca_chain(
-    nng_tls_config *cfg, const char *certs, const char *crl)
-{
-	NNI_ARG_UNUSED(cfg);
-	NNI_ARG_UNUSED(certs);
-	NNI_ARG_UNUSED(crl);
-	return (NNG_ENOTSUP);
-}
-
-int
-nng_tls_config_own_cert(
-    nng_tls_config *cfg, const char *cert, const char *key, const char *pass)
-{
-	NNI_ARG_UNUSED(cfg);
-	NNI_ARG_UNUSED(cert);
-	NNI_ARG_UNUSED(key);
-	NNI_ARG_UNUSED(pass);
-	return (NNG_ENOTSUP);
-}
-
-int
-nng_tls_config_ca_file(nng_tls_config *cfg, const char *path)
-{
-	NNI_ARG_UNUSED(cfg);
-	NNI_ARG_UNUSED(path);
-	return (NNG_ENOTSUP);
-}
-
-int
-nng_tls_config_cert_key_file(
-    nng_tls_config *cfg, const char *path, const char *pass)
-{
-	NNI_ARG_UNUSED(cfg);
-	NNI_ARG_UNUSED(path);
-	NNI_ARG_UNUSED(pass);
-	return (NNG_ENOTSUP);
-}
-
-int
-nng_tls_config_key(nng_tls_config *cfg, const uint8_t *key, size_t size)
-{
-	NNI_ARG_UNUSED(cfg);
-	NNI_ARG_UNUSED(key);
-	NNI_ARG_UNUSED(size);
-	return (NNG_ENOTSUP);
-}
-
-int
-nng_tls_config_pass(nng_tls_config *cfg, const char *pass)
-{
-	NNI_ARG_UNUSED(cfg);
-	NNI_ARG_UNUSED(pass);
-	return (NNG_ENOTSUP);
-}
-
-int
-nng_tls_config_alloc(nng_tls_config **cfgp, nng_tls_mode mode)
-{
-
-	NNI_ARG_UNUSED(cfgp);
-	NNI_ARG_UNUSED(mode);
-	return (NNG_ENOTSUP);
-}
-
-void
-nng_tls_config_free(nng_tls_config *cfg)
-{
-	NNI_ARG_UNUSED(cfg);
-}
-
-int
-nni_tls_dialer_alloc(nng_stream_dialer **dp, const nng_url *url)
-{
-	NNI_ARG_UNUSED(dp);
-	NNI_ARG_UNUSED(url);
-	return (NNG_ENOTSUP);
-}
-
-int
-nni_tls_listener_alloc(nng_stream_listener **lp, const nng_url *url)
-{
-	NNI_ARG_UNUSED(lp);
-	NNI_ARG_UNUSED(url);
-	return (NNG_ENOTSUP);
-}
-
-int
-nni_tls_checkopt(const char *nm, const void *buf, size_t sz, nni_type t)
-{
-	NNI_ARG_UNUSED(nm);
-	NNI_ARG_UNUSED(buf);
-	NNI_ARG_UNUSED(sz);
-	NNI_ARG_UNUSED(t);
-	return (NNG_ENOTSUP);
-}
\ No newline at end of file