blob: e3a2fd44bc281c51d8da416b6eb054038863e01a [file] [log] [blame]
// Copyright 2021 The Pigweed Authors
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#pragma once
#include "mbedtls/certs.h"
#include "mbedtls/ctr_drbg.h"
#include "mbedtls/entropy.h"
#include "mbedtls/error.h"
#include "mbedtls/ssl.h"
#include "pw_status/status.h"
#include "pw_tls_client/options.h"
namespace pw::tls_client::backend {
class SessionImplementation {
SessionImplementation(SessionOptions options);
Status Setup();
void SetTlsStatus(TLSStatus status) { tls_status_ = status; }
TLSStatus GetTlsStatus() { return tls_status_; }
// The method is for test only. When given a non-Ok status, it will override
// the status returned by entropy source pw::tls_client::GetRandomBytes();
static void SetEntropySourceStatus(Status status);
// mbedtls entropy
mbedtls_entropy_context entropy_ctx_;
mbedtls_ctr_drbg_context drbg_ctx_;
// SSL data structure
mbedtls_ssl_context ssl_ctx_;
// Configuration data structure
mbedtls_ssl_config ssl_config_;
// A copy of the option when creating the client.
SessionOptions session_options_;
TLSStatus tls_status_ = TLSStatus::kOk;
static int MbedTlsWrite(void* ctx, const uint8_t* buf, size_t len);
static int MbedTlsRead(void* ctx, unsigned char* buf, size_t len);
static int MbedTlsEntropySource(void* ctx,
unsigned char* out,
size_t len,
size_t* output_length);
static Status entropy_source_status_;
} // namespace pw::tls_client::backend