mbed-os/features/netsocket/TLSSocket.h

97 lines
3.0 KiB
C++

/*
* Copyright (c) 2018 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
#ifndef _MBED_HTTPS_TLS_TCP_SOCKET_H_
#define _MBED_HTTPS_TLS_TCP_SOCKET_H_
#include "netsocket/TCPSocket.h"
#include "TLSSocketWrapper.h"
#include "mbedtls/platform.h"
#include "mbedtls/ssl.h"
#include "mbedtls/entropy.h"
#include "mbedtls/ctr_drbg.h"
#include "mbedtls/error.h"
// This class requires Mbed TLS SSL/TLS client code
#if defined(MBEDTLS_SSL_CLI_C)
/**
* \brief TLSSocket a wrapper around TCPSocket for interacting with TLS servers
*/
class TLSSocket : public TLSSocketWrapper {
public:
/** Create an uninitialized socket
*
* Must call open to initialize the socket on a network stack.
*/
TLSSocket() : TLSSocketWrapper(&tcp_socket) {}
/** Create a socket on a network interface
*
* Creates and opens a socket on the network stack of the given
* network interface.
* If hostname is also given, user is not required to call set_hostname() later.
*
* @param stack Network stack as target for socket
* @param hostname Hostname used for certificate verification
*/
template <typename S>
TLSSocket(S *stack, const char *hostname = NULL) : TLSSocketWrapper(&tcp_socket, hostname)
{
nsapi_error_t ret = tcp_socket.open(stack);
MBED_ASSERT(ret == NSAPI_ERROR_OK);
}
/** Opens a socket
*
* Creates a network socket on the network stack of the given
* network interface. Not needed if stack is passed to the
* socket's constructor.
*
* @param stack Network stack as target for socket
* @return 0 on success, negative error code on failure
*/
virtual nsapi_error_t open(NetworkStack *stack) {
return tcp_socket.open(stack);
}
template <typename S>
nsapi_error_t open(S *stack) {
return open(nsapi_create_stack(stack));
}
using TLSSocketWrapper::connect;
/** Connects TCP socket to a remote host
*
* Initiates a connection to a remote server specified by either
* a domain name or an IP address and a port.
*
* @param host Hostname of the remote host
* @param port Port of the remote host
* @return 0 on success, negative error code on failure
*/
nsapi_error_t connect(const char *host, uint16_t port);
private:
TCPSocket tcp_socket;
};
#endif // MBEDTLS_SSL_CLI_C
#endif // _MBED_HTTPS_TLS_TCP_SOCKET_H_