2 * libwebsockets - small server side websockets and web server implementation
4 * Copyright (C) 2010-2019 Andy Green <andy@warmcat.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation:
9 * version 2.1 of the License.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
24 #ifndef LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
25 #define LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
39 #include "lws_config.h"
41 /* place for one-shot opaque forward references */
43 typedef struct lws_sequencer lws_seq_t; /* opaque */
44 typedef struct lws_sorted_usec_list lws_sorted_usec_list_t; /* opaque */
45 typedef struct lws_dsh lws_dsh_t;
48 * CARE: everything using cmake defines needs to be below here
51 #define LWS_US_PER_SEC ((lws_usec_t)1000000)
52 #define LWS_MS_PER_SEC ((lws_usec_t)1000)
53 #define LWS_US_PER_MS ((lws_usec_t)1000)
54 #define LWS_NS_PER_US ((lws_usec_t)1000)
57 #define LWS_MI (LWS_KI * 1024)
58 #define LWS_GI (LWS_MI * 1024)
59 #define LWS_TI ((uint64_t)LWS_GI * 1024)
60 #define LWS_PI ((uint64_t)LWS_TI * 1024)
62 #define LWS_US_TO_MS(x) ((x + (LWS_US_PER_MS / 2)) / LWS_US_PER_MS)
64 #if defined(LWS_HAS_INTPTR_T)
66 #define lws_intptr_t intptr_t
68 typedef unsigned long long lws_intptr_t;
71 #if defined(WIN32) || defined(_WIN32)
72 #ifndef WIN32_LEAN_AND_MEAN
73 #define WIN32_LEAN_AND_MEAN
84 #define _O_RDONLY 0x0000
85 #define O_RDONLY _O_RDONLY
88 #define LWS_INLINE __inline
90 #define LWS_WARN_UNUSED_RESULT
91 #define LWS_WARN_DEPRECATED
92 #define LWS_FORMAT(string_index)
94 #if !defined(LWS_EXTERN)
97 #define LWS_EXTERN extern __declspec(dllexport)
99 #define LWS_EXTERN extern __declspec(dllimport)
106 #define LWS_INVALID_FILE INVALID_HANDLE_VALUE
107 #define LWS_SOCK_INVALID (INVALID_SOCKET)
108 #define LWS_O_RDONLY _O_RDONLY
109 #define LWS_O_WRONLY _O_WRONLY
110 #define LWS_O_CREAT _O_CREAT
111 #define LWS_O_TRUNC _O_TRUNC
114 #define __func__ __FUNCTION__
117 #else /* NOT WIN32 */
119 #if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
120 #include <sys/capability.h>
123 #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__QNX__) || defined(__OpenBSD__)
124 #include <sys/socket.h>
125 #include <netinet/in.h>
128 #define LWS_INLINE inline
129 #define LWS_O_RDONLY O_RDONLY
130 #define LWS_O_WRONLY O_WRONLY
131 #define LWS_O_CREAT O_CREAT
132 #define LWS_O_TRUNC O_TRUNC
134 #if !defined(LWS_PLAT_OPTEE) && !defined(OPTEE_TA) && !defined(LWS_WITH_ESP32)
137 #define LWS_INVALID_FILE -1
138 #define LWS_SOCK_INVALID (-1)
140 #define getdtablesize() (30)
141 #if defined(LWS_WITH_ESP32)
142 #define LWS_INVALID_FILE NULL
143 #define LWS_SOCK_INVALID (-1)
145 #define LWS_INVALID_FILE NULL
146 #define LWS_SOCK_INVALID (-1)
150 #if defined(__GNUC__)
152 /* warn_unused_result attribute only supported by GCC 3.4 or later */
153 #if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
154 #define LWS_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
156 #define LWS_WARN_UNUSED_RESULT
159 #define LWS_VISIBLE __attribute__((visibility("default")))
160 #define LWS_WARN_DEPRECATED __attribute__ ((deprecated))
161 #define LWS_FORMAT(string_index) __attribute__ ((format(printf, string_index, string_index+1)))
164 #define LWS_WARN_UNUSED_RESULT
165 #define LWS_WARN_DEPRECATED
166 #define LWS_FORMAT(string_index)
169 #if defined(__ANDROID__)
170 #include <netinet/in.h>
176 #if defined(LWS_WITH_LIBEV)
178 #endif /* LWS_WITH_LIBEV */
179 #ifdef LWS_WITH_LIBUV
181 #ifdef LWS_HAVE_UV_VERSION_H
182 #include <uv-version.h>
184 #ifdef LWS_HAVE_NEW_UV_VERSION_H
185 #include <uv/version.h>
187 #endif /* LWS_WITH_LIBUV */
188 #if defined(LWS_WITH_LIBEVENT)
189 #include <event2/event.h>
190 #endif /* LWS_WITH_LIBEVENT */
193 #define LWS_EXTERN extern
199 #if !defined(LWS_PLAT_OPTEE)
200 #include <sys/time.h>
205 #if defined(LWS_WITH_TLS)
208 #ifdef USE_OLD_CYASSL
211 * Include user-controlled settings for windows from
212 * <wolfssl-root>/IDE/WIN/user_settings.h
214 #include <IDE/WIN/user_settings.h>
215 #include <cyassl/ctaocrypt/settings.h>
217 #include <cyassl/options.h>
219 #include <cyassl/openssl/ssl.h>
220 #include <cyassl/error-ssl.h>
225 * Include user-controlled settings for windows from
226 * <wolfssl-root>/IDE/WIN/user_settings.h
228 #include <IDE/WIN/user_settings.h>
229 #include <wolfssl/wolfcrypt/settings.h>
231 #include <wolfssl/options.h>
233 #include <wolfssl/openssl/ssl.h>
234 #include <wolfssl/error-ssl.h>
235 #endif /* not USE_OLD_CYASSL */
237 #if defined(LWS_WITH_MBEDTLS)
238 #if defined(LWS_WITH_ESP32)
239 /* this filepath is passed to us but without quotes or <> */
240 #if !defined(LWS_AMAZON_RTOS)
241 /* AMAZON RTOS has its own setting via MTK_MBEDTLS_CONFIG_FILE */
242 #undef MBEDTLS_CONFIG_FILE
243 #define MBEDTLS_CONFIG_FILE <mbedtls/esp_config.h>
246 #include <mbedtls/ssl.h>
247 #include <mbedtls/entropy.h>
248 #include <mbedtls/ctr_drbg.h>
250 #include <openssl/ssl.h>
251 #if !defined(LWS_WITH_MBEDTLS)
252 #include <openssl/err.h>
255 #endif /* not USE_WOLFSSL */
259 * Helpers for pthread mutex in user code... if lws is built for
260 * multiple service threads, these resolve to pthread mutex
261 * operations. In the case LWS_MAX_SMP is 1 (the default), they
262 * are all NOPs and no pthread type or api is referenced.
269 #define lws_pthread_mutex(name) pthread_mutex_t name;
271 static LWS_INLINE void
272 lws_pthread_mutex_init(pthread_mutex_t *lock)
274 pthread_mutex_init(lock, NULL);
277 static LWS_INLINE void
278 lws_pthread_mutex_destroy(pthread_mutex_t *lock)
280 pthread_mutex_destroy(lock);
283 static LWS_INLINE void
284 lws_pthread_mutex_lock(pthread_mutex_t *lock)
286 pthread_mutex_lock(lock);
289 static LWS_INLINE void
290 lws_pthread_mutex_unlock(pthread_mutex_t *lock)
292 pthread_mutex_unlock(lock);
296 #define lws_pthread_mutex(name)
297 #define lws_pthread_mutex_init(_a)
298 #define lws_pthread_mutex_destroy(_a)
299 #define lws_pthread_mutex_lock(_a)
300 #define lws_pthread_mutex_unlock(_a)
304 #define CONTEXT_PORT_NO_LISTEN -1
305 #define CONTEXT_PORT_NO_LISTEN_SERVER -2
307 #include <libwebsockets/lws-logs.h>
312 #ifndef lws_container_of
313 #define lws_container_of(P,T,M) ((T *)((char *)(P) - offsetof(T, M)))
318 /* api change list for user code to test against */
320 #define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_ARG
322 /* the struct lws_protocols has the id field present */
323 #define LWS_FEATURE_PROTOCOLS_HAS_ID_FIELD
325 /* you can call lws_get_peer_write_allowance */
326 #define LWS_FEATURE_PROTOCOLS_HAS_PEER_WRITE_ALLOWANCE
328 /* extra parameter introduced in 917f43ab821 */
329 #define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_LEN
331 /* File operations stuff exists */
332 #define LWS_FEATURE_FOPS
336 #if !defined(LWS_WIN32_HANDLE_TYPES)
337 typedef SOCKET lws_sockfd_type;
338 typedef HANDLE lws_filefd_type;
342 lws_sockfd_type fd; /**< file descriptor */
343 SHORT events; /**< which events to respond to */
344 SHORT revents; /**< which events happened */
346 #define LWS_POLLHUP (FD_CLOSE)
347 #define LWS_POLLIN (FD_READ | FD_ACCEPT)
348 #define LWS_POLLOUT (FD_WRITE)
352 #if defined(LWS_WITH_ESP32)
353 #include <libwebsockets/lws-esp32.h>
355 typedef int lws_sockfd_type;
356 typedef int lws_filefd_type;
359 #if defined(LWS_PLAT_OPTEE)
363 unsigned int tv_usec;
365 #if defined(LWS_WITH_NETWORK)
367 #define lws_pollfd pollfd
371 int gettimeofday(struct timeval *tv, struct timezone *tz);
373 /* Internet address. */
375 uint32_t s_addr; /* address in network byte order */
378 typedef unsigned short sa_family_t;
379 typedef unsigned short in_port_t;
380 typedef uint32_t socklen_t;
382 #include <libwebsockets/lws-optee.h>
384 #if !defined(TEE_SE_READER_NAME_MAX)
390 socklen_t ai_addrlen;
391 struct sockaddr *ai_addr;
393 struct addrinfo *ai_next;
397 ssize_t recv(int sockfd, void *buf, size_t len, int flags);
398 ssize_t send(int sockfd, const void *buf, size_t len, int flags);
399 ssize_t read(int fd, void *buf, size_t count);
400 int getsockopt(int sockfd, int level, int optname,
401 void *optval, socklen_t *optlen);
402 int setsockopt(int sockfd, int level, int optname,
403 const void *optval, socklen_t optlen);
404 int connect(int sockfd, const struct sockaddr *addr,
409 uint16_t ntohs(uint16_t netshort);
410 uint16_t htons(uint16_t hostshort);
412 int bind(int sockfd, const struct sockaddr *addr,
416 #define MSG_NOSIGNAL 0x4000
419 #define EWOULDBLOCK EAGAIN
420 #define EADDRINUSE 98
426 #define SOCK_STREAM 1
428 # define AI_PASSIVE 0x0001
429 #define IPPROTO_UDP 17
434 #define EINPROGRESS 115
435 int shutdown(int sockfd, int how);
437 int atoi(const char *nptr);
438 long long atoll(const char *nptr);
440 int socket(int domain, int type, int protocol);
441 int getaddrinfo(const char *node, const char *service,
442 const struct addrinfo *hints,
443 struct addrinfo **res);
445 void freeaddrinfo(struct addrinfo *res);
447 #if !defined(TEE_SE_READER_NAME_MAX)
450 int fd; /* File descriptor to poll. */
451 short int events; /* Types of events poller cares about. */
452 short int revents; /* Types of events that actually occurred. */
456 int poll(struct pollfd *fds, int nfds, int timeout);
458 #define LWS_POLLHUP (0x18)
459 #define LWS_POLLIN (1)
460 #define LWS_POLLOUT (4)
466 #define lws_pollfd pollfd
467 #define LWS_POLLHUP (POLLHUP | POLLERR)
468 #define LWS_POLLIN (POLLIN)
469 #define LWS_POLLOUT (POLLOUT)
474 #if (defined(WIN32) || defined(_WIN32)) && !defined(__MINGW32__)
476 #define ssize_t SSIZE_T
479 #if defined(WIN32) && defined(LWS_HAVE__STAT32I64)
480 #include <sys/types.h>
481 #include <sys/stat.h>
484 #if defined(LWS_HAVE_STDINT_H)
487 #if defined(WIN32) || defined(_WIN32)
489 typedef __int64 int64_t;
490 typedef unsigned __int64 uint64_t;
491 typedef __int32 int32_t;
492 typedef unsigned __int32 uint32_t;
493 typedef __int16 int16_t;
494 typedef unsigned __int16 uint16_t;
495 typedef unsigned __int8 uint8_t;
497 typedef unsigned int uint32_t;
498 typedef unsigned short uint16_t;
499 typedef unsigned char uint8_t;
503 typedef int64_t lws_usec_t;
504 typedef unsigned long long lws_filepos_t;
505 typedef long long lws_fileofs_t;
506 typedef uint32_t lws_fop_flags_t;
508 #define lws_concat_temp(_t, _l) (_t + sizeof(_t) - _l)
509 #define lws_concat_used(_t, _l) (sizeof(_t) - _l)
511 /** struct lws_pollargs - argument structure for all external poll related calls
512 * passed in via 'in' */
513 struct lws_pollargs {
514 lws_sockfd_type fd; /**< applicable socket descriptor */
515 int events; /**< the new event mask */
516 int prev_events; /**< the previous event mask */
519 struct lws_extension; /* needed even with ws exts disabled for create context */
520 struct lws_token_limits;
526 #include <libwebsockets/lws-system.h>
527 #include <libwebsockets/lws-ws-close.h>
528 #include <libwebsockets/lws-callbacks.h>
529 #include <libwebsockets/lws-ws-state.h>
530 #include <libwebsockets/lws-ws-ext.h>
531 #include <libwebsockets/lws-protocols-plugins.h>
532 #include <libwebsockets/lws-plugin-generic-sessions.h>
533 #include <libwebsockets/lws-context-vhost.h>
534 #include <libwebsockets/lws-client.h>
535 #include <libwebsockets/lws-http.h>
536 #include <libwebsockets/lws-spa.h>
537 #include <libwebsockets/lws-purify.h>
538 #include <libwebsockets/lws-misc.h>
539 #include <libwebsockets/lws-dsh.h>
540 #include <libwebsockets/lws-timeout-timer.h>
541 #include <libwebsockets/lws-service.h>
542 #include <libwebsockets/lws-write.h>
543 #include <libwebsockets/lws-writeable.h>
544 #include <libwebsockets/lws-adopt.h>
545 #include <libwebsockets/lws-network-helper.h>
546 #include <libwebsockets/lws-ring.h>
547 #include <libwebsockets/lws-sha1-base64.h>
548 #include <libwebsockets/lws-x509.h>
549 #include <libwebsockets/lws-cgi.h>
550 #include <libwebsockets/lws-vfs.h>
551 #include <libwebsockets/lws-lejp.h>
552 #include <libwebsockets/lws-stats.h>
553 #include <libwebsockets/lws-struct.h>
554 #include <libwebsockets/lws-threadpool.h>
555 #include <libwebsockets/lws-tokenize.h>
556 #include <libwebsockets/lws-lwsac.h>
557 #include <libwebsockets/lws-fts.h>
558 #include <libwebsockets/lws-diskcache.h>
559 #include <libwebsockets/lws-retry.h>
560 #include <libwebsockets/lws-sequencer.h>
562 #include <libwebsockets/abstract/abstract.h>
564 #include <libwebsockets/lws-test-sequencer.h>
566 #if defined(LWS_WITH_TLS)
568 #if defined(LWS_WITH_MBEDTLS)
569 #include <mbedtls/md5.h>
570 #include <mbedtls/sha1.h>
571 #include <mbedtls/sha256.h>
572 #include <mbedtls/sha512.h>
575 #include <libwebsockets/lws-gencrypto.h>
576 #include <libwebsockets/lws-genhash.h>
577 #include <libwebsockets/lws-genrsa.h>
578 #include <libwebsockets/lws-genaes.h>
579 #include <libwebsockets/lws-genec.h>
581 #include <libwebsockets/lws-jwk.h>
582 #include <libwebsockets/lws-jose.h>
583 #include <libwebsockets/lws-jws.h>
584 #include <libwebsockets/lws-jwe.h>