From 6ff8bb11774c51fd341b7699a3938fd894995fbf Mon Sep 17 00:00:00 2001 From: vnugent Date: Thu, 25 Apr 2024 17:45:42 -0400 Subject: refactor: Finish support and testing for mbedtls --- vendor/mbedtls/net_sockets.h | 299 ------------------------------------------- 1 file changed, 299 deletions(-) delete mode 100644 vendor/mbedtls/net_sockets.h (limited to 'vendor/mbedtls/net_sockets.h') diff --git a/vendor/mbedtls/net_sockets.h b/vendor/mbedtls/net_sockets.h deleted file mode 100644 index 026f627..0000000 --- a/vendor/mbedtls/net_sockets.h +++ /dev/null @@ -1,299 +0,0 @@ -/** - * \file net_sockets.h - * - * \brief Network sockets abstraction layer to integrate Mbed TLS into a - * BSD-style sockets API. - * - * The network sockets module provides an example integration of the - * Mbed TLS library into a BSD sockets implementation. The module is - * intended to be an example of how Mbed TLS can be integrated into a - * networking stack, as well as to be Mbed TLS's network integration - * for its supported platforms. - * - * The module is intended only to be used with the Mbed TLS library and - * is not intended to be used by third party application software - * directly. - * - * The supported platforms are as follows: - * * Microsoft Windows and Windows CE - * * POSIX/Unix platforms including Linux, OS X - * - */ -/* - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later - */ -#ifndef MBEDTLS_NET_SOCKETS_H -#define MBEDTLS_NET_SOCKETS_H -#include "mbedtls/private_access.h" - -#include "mbedtls/build_info.h" - -#include "mbedtls/ssl.h" - -#include -#include - -/** Failed to open a socket. */ -#define MBEDTLS_ERR_NET_SOCKET_FAILED -0x0042 -/** The connection to the given server / port failed. */ -#define MBEDTLS_ERR_NET_CONNECT_FAILED -0x0044 -/** Binding of the socket failed. */ -#define MBEDTLS_ERR_NET_BIND_FAILED -0x0046 -/** Could not listen on the socket. */ -#define MBEDTLS_ERR_NET_LISTEN_FAILED -0x0048 -/** Could not accept the incoming connection. */ -#define MBEDTLS_ERR_NET_ACCEPT_FAILED -0x004A -/** Reading information from the socket failed. */ -#define MBEDTLS_ERR_NET_RECV_FAILED -0x004C -/** Sending information through the socket failed. */ -#define MBEDTLS_ERR_NET_SEND_FAILED -0x004E -/** Connection was reset by peer. */ -#define MBEDTLS_ERR_NET_CONN_RESET -0x0050 -/** Failed to get an IP address for the given hostname. */ -#define MBEDTLS_ERR_NET_UNKNOWN_HOST -0x0052 -/** Buffer is too small to hold the data. */ -#define MBEDTLS_ERR_NET_BUFFER_TOO_SMALL -0x0043 -/** The context is invalid, eg because it was free()ed. */ -#define MBEDTLS_ERR_NET_INVALID_CONTEXT -0x0045 -/** Polling the net context failed. */ -#define MBEDTLS_ERR_NET_POLL_FAILED -0x0047 -/** Input invalid. */ -#define MBEDTLS_ERR_NET_BAD_INPUT_DATA -0x0049 - -#define MBEDTLS_NET_LISTEN_BACKLOG 10 /**< The backlog that listen() should use. */ - -#define MBEDTLS_NET_PROTO_TCP 0 /**< The TCP transport protocol */ -#define MBEDTLS_NET_PROTO_UDP 1 /**< The UDP transport protocol */ - -#define MBEDTLS_NET_POLL_READ 1 /**< Used in \c mbedtls_net_poll to check for pending data */ -#define MBEDTLS_NET_POLL_WRITE 2 /**< Used in \c mbedtls_net_poll to check if write possible */ - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * Wrapper type for sockets. - * - * Currently backed by just a file descriptor, but might be more in the future - * (eg two file descriptors for combined IPv4 + IPv6 support, or additional - * structures for hand-made UDP demultiplexing). - */ -typedef struct mbedtls_net_context { - /** The underlying file descriptor. - * - * This field is only guaranteed to be present on POSIX/Unix-like platforms. - * On other platforms, it may have a different type, have a different - * meaning, or be absent altogether. - */ - int fd; -} -mbedtls_net_context; - -/** - * \brief Initialize a context - * Just makes the context ready to be used or freed safely. - * - * \param ctx Context to initialize - */ -void mbedtls_net_init(mbedtls_net_context *ctx); - -/** - * \brief Initiate a connection with host:port in the given protocol - * - * \param ctx Socket to use - * \param host Host to connect to - * \param port Port to connect to - * \param proto Protocol: MBEDTLS_NET_PROTO_TCP or MBEDTLS_NET_PROTO_UDP - * - * \return 0 if successful, or one of: - * MBEDTLS_ERR_NET_SOCKET_FAILED, - * MBEDTLS_ERR_NET_UNKNOWN_HOST, - * MBEDTLS_ERR_NET_CONNECT_FAILED - * - * \note Sets the socket in connected mode even with UDP. - */ -int mbedtls_net_connect(mbedtls_net_context *ctx, const char *host, const char *port, int proto); - -/** - * \brief Create a receiving socket on bind_ip:port in the chosen - * protocol. If bind_ip == NULL, all interfaces are bound. - * - * \param ctx Socket to use - * \param bind_ip IP to bind to, can be NULL - * \param port Port number to use - * \param proto Protocol: MBEDTLS_NET_PROTO_TCP or MBEDTLS_NET_PROTO_UDP - * - * \return 0 if successful, or one of: - * MBEDTLS_ERR_NET_SOCKET_FAILED, - * MBEDTLS_ERR_NET_UNKNOWN_HOST, - * MBEDTLS_ERR_NET_BIND_FAILED, - * MBEDTLS_ERR_NET_LISTEN_FAILED - * - * \note Regardless of the protocol, opens the sockets and binds it. - * In addition, make the socket listening if protocol is TCP. - */ -int mbedtls_net_bind(mbedtls_net_context *ctx, const char *bind_ip, const char *port, int proto); - -/** - * \brief Accept a connection from a remote client - * - * \param bind_ctx Relevant socket - * \param client_ctx Will contain the connected client socket - * \param client_ip Will contain the client IP address, can be NULL - * \param buf_size Size of the client_ip buffer - * \param ip_len Will receive the size of the client IP written, - * can be NULL if client_ip is null - * - * \return 0 if successful, or - * MBEDTLS_ERR_NET_SOCKET_FAILED, - * MBEDTLS_ERR_NET_BIND_FAILED, - * MBEDTLS_ERR_NET_ACCEPT_FAILED, or - * MBEDTLS_ERR_NET_BUFFER_TOO_SMALL if buf_size is too small, - * MBEDTLS_ERR_SSL_WANT_READ if bind_fd was set to - * non-blocking and accept() would block. - */ -int mbedtls_net_accept(mbedtls_net_context *bind_ctx, - mbedtls_net_context *client_ctx, - void *client_ip, size_t buf_size, size_t *ip_len); - -/** - * \brief Check and wait for the context to be ready for read/write - * - * \note The current implementation of this function uses - * select() and returns an error if the file descriptor - * is \c FD_SETSIZE or greater. - * - * \param ctx Socket to check - * \param rw Bitflag composed of MBEDTLS_NET_POLL_READ and - * MBEDTLS_NET_POLL_WRITE specifying the events - * to wait for: - * - If MBEDTLS_NET_POLL_READ is set, the function - * will return as soon as the net context is available - * for reading. - * - If MBEDTLS_NET_POLL_WRITE is set, the function - * will return as soon as the net context is available - * for writing. - * \param timeout Maximal amount of time to wait before returning, - * in milliseconds. If \c timeout is zero, the - * function returns immediately. If \c timeout is - * -1u, the function blocks potentially indefinitely. - * - * \return Bitmask composed of MBEDTLS_NET_POLL_READ/WRITE - * on success or timeout, or a negative return code otherwise. - */ -int mbedtls_net_poll(mbedtls_net_context *ctx, uint32_t rw, uint32_t timeout); - -/** - * \brief Set the socket blocking - * - * \param ctx Socket to set - * - * \return 0 if successful, or a non-zero error code - */ -int mbedtls_net_set_block(mbedtls_net_context *ctx); - -/** - * \brief Set the socket non-blocking - * - * \param ctx Socket to set - * - * \return 0 if successful, or a non-zero error code - */ -int mbedtls_net_set_nonblock(mbedtls_net_context *ctx); - -/** - * \brief Portable usleep helper - * - * \param usec Amount of microseconds to sleep - * - * \note Real amount of time slept will not be less than - * select()'s timeout granularity (typically, 10ms). - */ -void mbedtls_net_usleep(unsigned long usec); - -/** - * \brief Read at most 'len' characters. If no error occurs, - * the actual amount read is returned. - * - * \param ctx Socket - * \param buf The buffer to write to - * \param len Maximum length of the buffer - * - * \return the number of bytes received, - * or a non-zero error code; with a non-blocking socket, - * MBEDTLS_ERR_SSL_WANT_READ indicates read() would block. - */ -int mbedtls_net_recv(void *ctx, unsigned char *buf, size_t len); - -/** - * \brief Write at most 'len' characters. If no error occurs, - * the actual amount read is returned. - * - * \param ctx Socket - * \param buf The buffer to read from - * \param len The length of the buffer - * - * \return the number of bytes sent, - * or a non-zero error code; with a non-blocking socket, - * MBEDTLS_ERR_SSL_WANT_WRITE indicates write() would block. - */ -int mbedtls_net_send(void *ctx, const unsigned char *buf, size_t len); - -/** - * \brief Read at most 'len' characters, blocking for at most - * 'timeout' seconds. If no error occurs, the actual amount - * read is returned. - * - * \note The current implementation of this function uses - * select() and returns an error if the file descriptor - * is \c FD_SETSIZE or greater. - * - * \param ctx Socket - * \param buf The buffer to write to - * \param len Maximum length of the buffer - * \param timeout Maximum number of milliseconds to wait for data - * 0 means no timeout (wait forever) - * - * \return The number of bytes received if successful. - * MBEDTLS_ERR_SSL_TIMEOUT if the operation timed out. - * MBEDTLS_ERR_SSL_WANT_READ if interrupted by a signal. - * Another negative error code (MBEDTLS_ERR_NET_xxx) - * for other failures. - * - * \note This function will block (until data becomes available or - * timeout is reached) even if the socket is set to - * non-blocking. Handling timeouts with non-blocking reads - * requires a different strategy. - */ -int mbedtls_net_recv_timeout(void *ctx, unsigned char *buf, size_t len, - uint32_t timeout); - -/** - * \brief Closes down the connection and free associated data - * - * \param ctx The context to close - * - * \note This function frees and clears data associated with the - * context but does not free the memory pointed to by \p ctx. - * This memory is the responsibility of the caller. - */ -void mbedtls_net_close(mbedtls_net_context *ctx); - -/** - * \brief Gracefully shutdown the connection and free associated data - * - * \param ctx The context to free - * - * \note This function frees and clears data associated with the - * context but does not free the memory pointed to by \p ctx. - * This memory is the responsibility of the caller. - */ -void mbedtls_net_free(mbedtls_net_context *ctx); - -#ifdef __cplusplus -} -#endif - -#endif /* net_sockets.h */ -- cgit