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libwebsockets/include/libwebsockets.h
Andy Green ddb94d4e27 genaes: generic AES layer independent of tls library 
Although RSA can be used directly for signing / JWS
on large chunks of data since it's only operating on
the hash, when JWE support arrives, which allows bulk
encryption, it's going to be mandatory to support
secondary AES ciphers to use on the bulk data.

This adds generic support for all AES modes that OpenSSL
and mbedTLS have in common, works on both mbedTLS and
OpenSSL the same, and adds unit tests for each mode
in api-test-gencrypto, to run in CI.
2018-12-27 06:45:31 +08:00

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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
/** @file */
#ifndef LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
#define LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
#ifdef __cplusplus
#include <cstddef>
#include <cstdarg>
extern "C" {
#else
#include <stdarg.h>
#endif
#include <string.h>
#include <stdlib.h>
#include "lws_config.h"
/*
* CARE: everything using cmake defines needs to be below here
*/
#if defined(LWS_HAS_INTPTR_T)
#include <stdint.h>
#define lws_intptr_t intptr_t
#else
typedef unsigned long long lws_intptr_t;
#endif
#if defined(WIN32) || defined(_WIN32)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <winsock2.h>
#include <ws2tcpip.h>
#include <stddef.h>
#include <basetsd.h>
#include <io.h>
#ifndef _WIN32_WCE
#include <fcntl.h>
#else
#define _O_RDONLY 0x0000
#define O_RDONLY _O_RDONLY
#endif
#define LWS_INLINE __inline
#define LWS_VISIBLE
#define LWS_WARN_UNUSED_RESULT
#define LWS_WARN_DEPRECATED
#define LWS_FORMAT(string_index)
#if !defined(LWS_EXTERN)
#ifdef LWS_DLL
#ifdef LWS_INTERNAL
#define LWS_EXTERN extern __declspec(dllexport)
#else
#define LWS_EXTERN extern __declspec(dllimport)
#endif
#else
#define LWS_EXTERN
#endif
#endif
#define LWS_INVALID_FILE INVALID_HANDLE_VALUE
#define LWS_O_RDONLY _O_RDONLY
#define LWS_O_WRONLY _O_WRONLY
#define LWS_O_CREAT _O_CREAT
#define LWS_O_TRUNC _O_TRUNC
#ifndef __func__
#define __func__ __FUNCTION__
#endif
#else /* NOT WIN32 */
#include <unistd.h>
#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
#include <sys/capability.h>
#endif
#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__QNX__) || defined(__OpenBSD__)
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#define LWS_INLINE inline
#define LWS_O_RDONLY O_RDONLY
#define LWS_O_WRONLY O_WRONLY
#define LWS_O_CREAT O_CREAT
#define LWS_O_TRUNC O_TRUNC
#if !defined(LWS_PLAT_OPTEE) && !defined(OPTEE_TA) && !defined(LWS_WITH_ESP32)
#include <poll.h>
#include <netdb.h>
#define LWS_INVALID_FILE -1
#else
#define getdtablesize() (30)
#if defined(LWS_WITH_ESP32)
#define LWS_INVALID_FILE NULL
#else
#define LWS_INVALID_FILE NULL
#endif
#endif
#if defined(__GNUC__)
/* warn_unused_result attribute only supported by GCC 3.4 or later */
#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define LWS_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#else
#define LWS_WARN_UNUSED_RESULT
#endif
#define LWS_VISIBLE __attribute__((visibility("default")))
#define LWS_WARN_DEPRECATED __attribute__ ((deprecated))
#define LWS_FORMAT(string_index) __attribute__ ((format(printf, string_index, string_index+1)))
#else
#define LWS_VISIBLE
#define LWS_WARN_UNUSED_RESULT
#define LWS_WARN_DEPRECATED
#define LWS_FORMAT(string_index)
#endif
#if defined(__ANDROID__)
#include <netinet/in.h>
#include <unistd.h>
#define getdtablesize() sysconf(_SC_OPEN_MAX)
#endif
#endif
#if defined(LWS_WITH_LIBEV)
#include <ev.h>
#endif /* LWS_WITH_LIBEV */
#ifdef LWS_WITH_LIBUV
#include <uv.h>
#ifdef LWS_HAVE_UV_VERSION_H
#include <uv-version.h>
#endif
#ifdef LWS_HAVE_NEW_UV_VERSION_H
#include <uv/version.h>
#endif
#endif /* LWS_WITH_LIBUV */
#if defined(LWS_WITH_LIBEVENT)
#include <event2/event.h>
#endif /* LWS_WITH_LIBEVENT */
#ifndef LWS_EXTERN
#define LWS_EXTERN extern
#endif
#ifdef _WIN32
#define random rand
#else
#if !defined(OPTEE_TA)
#include <sys/time.h>
#include <unistd.h>
#endif
#endif
#if defined(LWS_WITH_TLS)
#ifdef USE_WOLFSSL
#ifdef USE_OLD_CYASSL
#ifdef _WIN32
/*
* Include user-controlled settings for windows from
* <wolfssl-root>/IDE/WIN/user_settings.h
*/
#include <IDE/WIN/user_settings.h>
#include <cyassl/ctaocrypt/settings.h>
#else
#include <cyassl/options.h>
#endif
#include <cyassl/openssl/ssl.h>
#include <cyassl/error-ssl.h>
#else
#ifdef _WIN32
/*
* Include user-controlled settings for windows from
* <wolfssl-root>/IDE/WIN/user_settings.h
*/
#include <IDE/WIN/user_settings.h>
#include <wolfssl/wolfcrypt/settings.h>
#else
#include <wolfssl/options.h>
#endif
#include <wolfssl/openssl/ssl.h>
#include <wolfssl/error-ssl.h>
#endif /* not USE_OLD_CYASSL */
#else
#if defined(LWS_WITH_MBEDTLS)
#if defined(LWS_WITH_ESP32)
/* this filepath is passed to us but without quotes or <> */
#undef MBEDTLS_CONFIG_FILE
#define MBEDTLS_CONFIG_FILE <mbedtls/esp_config.h>
#endif
#include <mbedtls/ssl.h>
#else
#include <openssl/ssl.h>
#if !defined(LWS_WITH_MBEDTLS)
#include <openssl/err.h>
#endif
#endif
#endif /* not USE_WOLFSSL */
#endif
/*
* Helpers for pthread mutex in user code... if lws is built for
* multiple service threads, these resolve to pthread mutex
* operations. In the case LWS_MAX_SMP is 1 (the default), they
* are all NOPs and no pthread type or api is referenced.
*/
#if LWS_MAX_SMP > 1
#include <pthread.h>
#define lws_pthread_mutex(name) pthread_mutex_t name;
static LWS_INLINE void
lws_pthread_mutex_init(pthread_mutex_t *lock)
{
pthread_mutex_init(lock, NULL);
}
static LWS_INLINE void
lws_pthread_mutex_destroy(pthread_mutex_t *lock)
{
pthread_mutex_destroy(lock);
}
static LWS_INLINE void
lws_pthread_mutex_lock(pthread_mutex_t *lock)
{
pthread_mutex_lock(lock);
}
static LWS_INLINE void
lws_pthread_mutex_unlock(pthread_mutex_t *lock)
{
pthread_mutex_unlock(lock);
}
#else
#define lws_pthread_mutex(name)
#define lws_pthread_mutex_init(_a)
#define lws_pthread_mutex_destroy(_a)
#define lws_pthread_mutex_lock(_a)
#define lws_pthread_mutex_unlock(_a)
#endif
#define CONTEXT_PORT_NO_LISTEN -1
#define CONTEXT_PORT_NO_LISTEN_SERVER -2
#include <libwebsockets/lws-logs.h>
#include <stddef.h>
#ifndef lws_container_of
#define lws_container_of(P,T,M) ((T *)((char *)(P) - offsetof(T, M)))
#endif
struct lws;
typedef int64_t lws_usec_t;
/* api change list for user code to test against */
#define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_ARG
/* the struct lws_protocols has the id field present */
#define LWS_FEATURE_PROTOCOLS_HAS_ID_FIELD
/* you can call lws_get_peer_write_allowance */
#define LWS_FEATURE_PROTOCOLS_HAS_PEER_WRITE_ALLOWANCE
/* extra parameter introduced in 917f43ab821 */
#define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_LEN
/* File operations stuff exists */
#define LWS_FEATURE_FOPS
#if defined(_WIN32)
#if !defined(LWS_WIN32_HANDLE_TYPES)
typedef SOCKET lws_sockfd_type;
typedef HANDLE lws_filefd_type;
#endif
struct lws_pollfd {
lws_sockfd_type fd; /**< file descriptor */
SHORT events; /**< which events to respond to */
SHORT revents; /**< which events happened */
};
#define LWS_POLLHUP (FD_CLOSE)
#define LWS_POLLIN (FD_READ | FD_ACCEPT)
#define LWS_POLLOUT (FD_WRITE)
#else
#if defined(LWS_WITH_ESP32)
#include <libwebsockets/lws-esp32.h>
#else
typedef int lws_sockfd_type;
typedef int lws_filefd_type;
#endif
#define lws_pollfd pollfd
#define LWS_POLLHUP (POLLHUP|POLLERR)
#define LWS_POLLIN (POLLIN)
#define LWS_POLLOUT (POLLOUT)
#endif
#if (defined(WIN32) || defined(_WIN32)) && !defined(__MINGW32__)
/* ... */
#define ssize_t SSIZE_T
#endif
#if defined(WIN32) && defined(LWS_HAVE__STAT32I64)
#include <sys/types.h>
#include <sys/stat.h>
#endif
#if defined(LWS_HAVE_STDINT_H)
#include <stdint.h>
#else
#if defined(WIN32) || defined(_WIN32)
/* !!! >:-[ */
typedef unsigned __int32 uint32_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int8 uint8_t;
#else
typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
typedef unsigned char uint8_t;
#endif
#endif
typedef unsigned long long lws_filepos_t;
typedef long long lws_fileofs_t;
typedef uint32_t lws_fop_flags_t;
/** struct lws_pollargs - argument structure for all external poll related calls
* passed in via 'in' */
struct lws_pollargs {
lws_sockfd_type fd; /**< applicable socket descriptor */
int events; /**< the new event mask */
int prev_events; /**< the previous event mask */
};
struct lws_extension; /* needed even with ws exts disabled for create context */
struct lws_token_limits;
struct lws_context;
struct lws_tokens;
struct lws_vhost;
struct lws;
#include <libwebsockets/lws-ws-close.h>
#include <libwebsockets/lws-callbacks.h>
#include <libwebsockets/lws-ws-state.h>
#include <libwebsockets/lws-ws-ext.h>
#include <libwebsockets/lws-protocols-plugins.h>
#include <libwebsockets/lws-plugin-generic-sessions.h>
#include <libwebsockets/lws-context-vhost.h>
#include <libwebsockets/lws-client.h>
#include <libwebsockets/lws-http.h>
#include <libwebsockets/lws-spa.h>
#include <libwebsockets/lws-purify.h>
#include <libwebsockets/lws-timeout-timer.h>
#include <libwebsockets/lws-service.h>
#include <libwebsockets/lws-write.h>
#include <libwebsockets/lws-writeable.h>
#include <libwebsockets/lws-adopt.h>
#include <libwebsockets/lws-network-helper.h>
#include <libwebsockets/lws-misc.h>
#include <libwebsockets/lws-ring.h>
#include <libwebsockets/lws-sha1-base64.h>
#include <libwebsockets/lws-x509.h>
#include <libwebsockets/lws-cgi.h>
#include <libwebsockets/lws-vfs.h>
#include <libwebsockets/lws-lejp.h>
#include <libwebsockets/lws-stats.h>
#include <libwebsockets/lws-threadpool.h>
#include <libwebsockets/lws-tokenize.h>
#include <libwebsockets/lws-lwsac.h>
#include <libwebsockets/lws-fts.h>
#include <libwebsockets/lws-diskcache.h>
#if defined(LWS_WITH_TLS)
#if defined(LWS_WITH_MBEDTLS)
#include <mbedtls/sha1.h>
#include <mbedtls/sha256.h>
#include <mbedtls/sha512.h>
#endif
#include <libwebsockets/lws-genhash.h>
#include <libwebsockets/lws-jwk.h>
#include <libwebsockets/lws-jose.h>
#include <libwebsockets/lws-jws.h>
#include <libwebsockets/lws-genrsa.h>
#include <libwebsockets/lws-genaes.h>
#include <libwebsockets/lws-genec.h>
#endif
#ifdef __cplusplus
}
#endif
#endif
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