Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libwebsockets - small server side websockets and web server implementation |
Andy Green | e77ddd8 | 2010-11-13 10:03:47 +0000 | [diff] [blame] | 3 | * |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 4 | * Copyright (C) 2010 - 2016 Andy Green <andy@warmcat.com> |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 5 | * |
| 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. |
| 10 | * |
| 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. |
| 15 | * |
| 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, |
| 19 | * MA 02110-1301 USA |
| 20 | */ |
Joakim Soderberg | 91de933 | 2013-02-06 15:30:33 +0900 | [diff] [blame] | 21 | |
Joakim Soderberg | 4c53123 | 2013-02-06 15:26:58 +0900 | [diff] [blame] | 22 | #include "lws_config.h" |
Roger A. Light | 7a474b4 | 2015-06-26 11:40:54 +0200 | [diff] [blame] | 23 | #include "lws_config_private.h" |
Andy Green | e40aa9b | 2014-04-02 21:02:54 +0800 | [diff] [blame] | 24 | |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 25 | |
| 26 | #if defined(LWS_WITH_CGI) && defined(LWS_HAVE_VFORK) |
| 27 | #define _GNU_SOURCE |
| 28 | #endif |
| 29 | |
=?UTF-8?q?Joakim=20S=C3=B6derberg?= | cefab31 | 2015-06-24 16:46:02 +0200 | [diff] [blame] | 30 | #ifdef LWS_HAVE_SYS_TYPES_H |
Andy Green | e40aa9b | 2014-04-02 21:02:54 +0800 | [diff] [blame] | 31 | #include <sys/types.h> |
Joakim Soderberg | 91de933 | 2013-02-06 15:30:33 +0900 | [diff] [blame] | 32 | #endif |
Joakim Soderberg | 4c53123 | 2013-02-06 15:26:58 +0900 | [diff] [blame] | 33 | |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 34 | #include <stdio.h> |
| 35 | #include <stdlib.h> |
| 36 | #include <string.h> |
Patrick Gansterer | b13eed4 | 2014-03-30 10:19:23 +0200 | [diff] [blame] | 37 | #include <time.h> |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 38 | #include <ctype.h> |
Peter Young | 26757a7 | 2013-01-17 10:08:16 +0800 | [diff] [blame] | 39 | #include <limits.h> |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 40 | #include <stdarg.h> |
Andy Green | 112f980 | 2015-12-04 07:22:44 +0800 | [diff] [blame] | 41 | #include <assert.h> |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 42 | #if LWS_MAX_SMP > 1 |
| 43 | #include <pthread.h> |
| 44 | #endif |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 45 | |
=?UTF-8?q?Joakim=20S=C3=B6derberg?= | cefab31 | 2015-06-24 16:46:02 +0200 | [diff] [blame] | 46 | #ifdef LWS_HAVE_SYS_STAT_H |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 47 | #include <sys/stat.h> |
Patrick Gansterer | e5720a3 | 2014-02-28 00:57:19 +0100 | [diff] [blame] | 48 | #endif |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 49 | |
Andreas Pakulat | 68bd4bd | 2013-10-28 15:18:04 +0100 | [diff] [blame] | 50 | #if defined(WIN32) || defined(_WIN32) |
Stephan Eberle | b820e2c | 2015-10-23 08:10:55 +0200 | [diff] [blame] | 51 | #if (WINVER < 0x0501) |
| 52 | #undef WINVER |
| 53 | #undef _WIN32_WINNT |
| 54 | #define WINVER 0x0501 |
| 55 | #define _WIN32_WINNT WINVER |
| 56 | #endif |
Joakim Soderberg | 4c53123 | 2013-02-06 15:26:58 +0900 | [diff] [blame] | 57 | #define LWS_NO_DAEMONIZE |
Patrick Gansterer | 2dbd837 | 2014-02-28 12:37:52 +0100 | [diff] [blame] | 58 | #define LWS_ERRNO WSAGetLastError() |
| 59 | #define LWS_EAGAIN WSAEWOULDBLOCK |
| 60 | #define LWS_EALREADY WSAEALREADY |
| 61 | #define LWS_EINPROGRESS WSAEINPROGRESS |
| 62 | #define LWS_EINTR WSAEINTR |
| 63 | #define LWS_EISCONN WSAEISCONN |
| 64 | #define LWS_EWOULDBLOCK WSAEWOULDBLOCK |
Patrick Gansterer | 73882e4 | 2014-03-29 08:25:58 +0100 | [diff] [blame] | 65 | #define MSG_NOSIGNAL 0 |
| 66 | #define SHUT_RDWR SD_BOTH |
| 67 | #define SOL_TCP IPPROTO_TCP |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 68 | #define SHUT_WR SD_SEND |
Joakim Soderberg | 4c53123 | 2013-02-06 15:26:58 +0900 | [diff] [blame] | 69 | |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 70 | #define compatible_close(fd) closesocket(fd) |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 71 | #define lws_set_blocking_send(wsi) wsi->sock_send_blocking = 1 |
Andy Green | c53f7ca | 2015-11-14 07:35:27 +0800 | [diff] [blame] | 72 | #define lws_socket_is_valid(x) (!!x) |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 73 | #define LWS_SOCK_INVALID 0 |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 74 | #include <winsock2.h> |
Andy Green | eee0d8a | 2015-12-17 15:15:12 +0800 | [diff] [blame] | 75 | #include <ws2tcpip.h> |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 76 | #include <windows.h> |
Joakim Soderberg | d2f5b19 | 2014-04-07 11:28:08 +0200 | [diff] [blame] | 77 | #include <tchar.h> |
=?UTF-8?q?Joakim=20S=C3=B6derberg?= | cefab31 | 2015-06-24 16:46:02 +0200 | [diff] [blame] | 78 | #ifdef LWS_HAVE_IN6ADDR_H |
Andy Green | 0f58db3 | 2014-04-12 11:10:35 +0800 | [diff] [blame] | 79 | #include <in6addr.h> |
| 80 | #endif |
Joakim Soderberg | d2f5b19 | 2014-04-07 11:28:08 +0200 | [diff] [blame] | 81 | #include <mstcpip.h> |
Andy Green | d6be677 | 2016-05-14 06:49:29 +0800 | [diff] [blame] | 82 | #include <io.h> |
Joakim Soderberg | d2f5b19 | 2014-04-07 11:28:08 +0200 | [diff] [blame] | 83 | |
| 84 | #ifndef __func__ |
| 85 | #define __func__ __FUNCTION__ |
| 86 | #endif |
| 87 | |
OndraCo | a709cbb | 2016-05-05 13:56:07 +0200 | [diff] [blame] | 88 | #if (defined(_MSC_VER) && _MSC_VER < 1900) || defined(_WIN32_WCE) |
Patrick Gansterer | 6bb4b62 | 2014-04-15 18:39:26 +0200 | [diff] [blame] | 89 | #define vsnprintf _vsnprintf |
Andy Green | 7d22c29 | 2016-03-04 10:53:51 +0800 | [diff] [blame] | 90 | #else |
| 91 | #ifdef LWS_HAVE__VSNPRINTF |
| 92 | #define vsnprintf _vsnprintf |
| 93 | #endif |
| 94 | #endif |
| 95 | |
| 96 | #ifdef LWS_HAVE__SNPRINTF |
| 97 | #define snprintf _snprintf |
Patrick Gansterer | 6bb4b62 | 2014-04-15 18:39:26 +0200 | [diff] [blame] | 98 | #endif |
| 99 | |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 100 | #else /* not windows --> */ |
Andy Green | 8c0d3c0 | 2015-11-02 20:34:12 +0800 | [diff] [blame] | 101 | |
Patrick Gansterer | b13eed4 | 2014-03-30 10:19:23 +0200 | [diff] [blame] | 102 | #include <fcntl.h> |
Patrick Gansterer | b13eed4 | 2014-03-30 10:19:23 +0200 | [diff] [blame] | 103 | #include <strings.h> |
| 104 | #include <unistd.h> |
Andy Green | e77ddd8 | 2010-11-13 10:03:47 +0000 | [diff] [blame] | 105 | #include <sys/types.h> |
Andy Green | 5f2a815 | 2015-11-02 08:21:08 +0800 | [diff] [blame] | 106 | #ifndef MBED_OPERATORS |
Andy Green | 8c0d3c0 | 2015-11-02 20:34:12 +0800 | [diff] [blame] | 107 | #ifndef __cplusplus |
| 108 | #include <errno.h> |
| 109 | #endif |
Andy Green | 5f2a815 | 2015-11-02 08:21:08 +0800 | [diff] [blame] | 110 | #include <netdb.h> |
| 111 | #include <signal.h> |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 112 | #include <sys/socket.h> |
Andy Green | 1e5a9ad | 2016-03-20 11:59:53 +0800 | [diff] [blame] | 113 | #ifdef LWS_WITH_HTTP_PROXY |
| 114 | #include <hubbub/hubbub.h> |
| 115 | #include <hubbub/parser.h> |
| 116 | #endif |
Andy Green | e40aa9b | 2014-04-02 21:02:54 +0800 | [diff] [blame] | 117 | #ifdef LWS_BUILTIN_GETIFADDRS |
| 118 | #include <getifaddrs.h> |
| 119 | #else |
| 120 | #include <ifaddrs.h> |
| 121 | #endif |
Dnyanesh Gate | 759e50c | 2014-09-26 05:39:05 +0800 | [diff] [blame] | 122 | #if defined (__ANDROID__) |
| 123 | #include <syslog.h> |
Alexander Bruines | 119bdaa | 2016-04-23 11:10:18 +0200 | [diff] [blame] | 124 | #include <sys/resource.h> |
Dnyanesh Gate | 759e50c | 2014-09-26 05:39:05 +0800 | [diff] [blame] | 125 | #else |
Andy Green | e40aa9b | 2014-04-02 21:02:54 +0800 | [diff] [blame] | 126 | #include <sys/syslog.h> |
Dnyanesh Gate | 759e50c | 2014-09-26 05:39:05 +0800 | [diff] [blame] | 127 | #endif |
Andy Green | e40aa9b | 2014-04-02 21:02:54 +0800 | [diff] [blame] | 128 | #include <sys/un.h> |
| 129 | #include <sys/socket.h> |
| 130 | #include <netdb.h> |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 131 | #include <netinet/in.h> |
Andy Green | 6c93955 | 2011-03-08 08:56:57 +0000 | [diff] [blame] | 132 | #include <netinet/tcp.h> |
Andy Green | b45993c | 2010-12-18 15:13:50 +0000 | [diff] [blame] | 133 | #include <arpa/inet.h> |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 134 | #include <poll.h> |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 135 | #ifdef LWS_USE_LIBEV |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 136 | #include <ev.h> |
| 137 | #endif |
| 138 | #ifdef LWS_USE_LIBUV |
Alex Hultman | a43c2ac | 2016-02-01 08:31:54 +0800 | [diff] [blame] | 139 | #include <uv.h> |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 140 | #endif |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 141 | #include <sys/mman.h> |
Andy Green | 5f2a815 | 2015-11-02 08:21:08 +0800 | [diff] [blame] | 142 | |
| 143 | #endif /* MBED */ |
| 144 | |
| 145 | #ifndef LWS_NO_FORK |
| 146 | #ifdef LWS_HAVE_SYS_PRCTL_H |
| 147 | #include <sys/prctl.h> |
| 148 | #endif |
| 149 | #endif |
| 150 | |
Andy Green | 038d582 | 2011-02-14 20:58:26 +0000 | [diff] [blame] | 151 | #include <sys/time.h> |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 152 | |
Patrick Gansterer | 2dbd837 | 2014-02-28 12:37:52 +0100 | [diff] [blame] | 153 | #define LWS_ERRNO errno |
| 154 | #define LWS_EAGAIN EAGAIN |
| 155 | #define LWS_EALREADY EALREADY |
| 156 | #define LWS_EINPROGRESS EINPROGRESS |
| 157 | #define LWS_EINTR EINTR |
| 158 | #define LWS_EISCONN EISCONN |
| 159 | #define LWS_EWOULDBLOCK EWOULDBLOCK |
Andy Green | 2b304a9 | 2016-07-11 07:28:23 +0800 | [diff] [blame^] | 160 | |
Andy Green | 1e5a9ad | 2016-03-20 11:59:53 +0800 | [diff] [blame] | 161 | static inline int compatible_close(int fd) { return close(fd); } |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 162 | #define lws_set_blocking_send(wsi) |
Andy Green | 2cd3074 | 2015-11-02 13:10:33 +0800 | [diff] [blame] | 163 | |
| 164 | #ifdef MBED_OPERATORS |
| 165 | #define lws_socket_is_valid(x) ((x) != NULL) |
| 166 | #define LWS_SOCK_INVALID (NULL) |
| 167 | #else |
Andy Green | c53f7ca | 2015-11-14 07:35:27 +0800 | [diff] [blame] | 168 | #define lws_socket_is_valid(x) (x >= 0) |
| 169 | #define LWS_SOCK_INVALID (-1) |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 170 | #endif |
Andy Green | 2cd3074 | 2015-11-02 13:10:33 +0800 | [diff] [blame] | 171 | #endif |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 172 | |
=?UTF-8?q?Joakim=20S=C3=B6derberg?= | cefab31 | 2015-06-24 16:46:02 +0200 | [diff] [blame] | 173 | #ifndef LWS_HAVE_BZERO |
Andy Green | e5ea1f9 | 2014-11-18 18:25:24 +0800 | [diff] [blame] | 174 | #ifndef bzero |
Patrick Gansterer | 4a83727 | 2014-02-28 13:17:49 +0100 | [diff] [blame] | 175 | #define bzero(b, len) (memset((b), '\0', (len)), (void) 0) |
| 176 | #endif |
Andy Green | e5ea1f9 | 2014-11-18 18:25:24 +0800 | [diff] [blame] | 177 | #endif |
Patrick Gansterer | 4a83727 | 2014-02-28 13:17:49 +0100 | [diff] [blame] | 178 | |
=?UTF-8?q?Joakim=20S=C3=B6derberg?= | cefab31 | 2015-06-24 16:46:02 +0200 | [diff] [blame] | 179 | #ifndef LWS_HAVE_STRERROR |
Patrick Gansterer | 9d61491 | 2014-02-28 00:59:53 +0100 | [diff] [blame] | 180 | #define strerror(x) "" |
| 181 | #endif |
| 182 | |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 183 | #ifdef LWS_OPENSSL_SUPPORT |
Andy Green | 1a3f177 | 2016-03-28 19:58:02 +0800 | [diff] [blame] | 184 | |
Alexander Bruines | c3bcb89 | 2015-08-08 18:54:49 +0200 | [diff] [blame] | 185 | #ifdef USE_WOLFSSL |
ABruines | 80a7068 | 2015-08-09 22:56:32 +0200 | [diff] [blame] | 186 | #ifdef USE_OLD_CYASSL |
| 187 | #include <cyassl/openssl/ssl.h> |
| 188 | #include <cyassl/error-ssl.h> |
| 189 | #else |
Alexander Bruines | c3bcb89 | 2015-08-08 18:54:49 +0200 | [diff] [blame] | 190 | #include <wolfssl/openssl/ssl.h> |
| 191 | #include <wolfssl/error-ssl.h> |
ABruines | 80a7068 | 2015-08-09 22:56:32 +0200 | [diff] [blame] | 192 | #endif /* not USE_OLD_CYASSL */ |
Andy Green | 23c5f2e | 2013-02-06 15:43:00 +0900 | [diff] [blame] | 193 | #else |
Andy Green | 1a3f177 | 2016-03-28 19:58:02 +0800 | [diff] [blame] | 194 | #if defined(LWS_USE_POLARSSL) |
| 195 | #include <polarssl/ssl.h> |
| 196 | #include <polarssl/error.h> |
| 197 | #include <polarssl/md5.h> |
| 198 | #include <polarssl/sha1.h> |
| 199 | #include <polarssl/ecdh.h> |
Andy Green | 451cee5 | 2016-04-17 11:28:43 +0800 | [diff] [blame] | 200 | #define SSL_ERROR_WANT_READ POLARSSL_ERR_NET_WANT_READ |
| 201 | #define SSL_ERROR_WANT_WRITE POLARSSL_ERR_NET_WANT_WRITE |
| 202 | #define OPENSSL_VERSION_NUMBER 0x10002000L |
Andy Green | 1a3f177 | 2016-03-28 19:58:02 +0800 | [diff] [blame] | 203 | #else |
| 204 | #if defined(LWS_USE_MBEDTLS) |
| 205 | #include <mbedtls/ssl.h> |
| 206 | #include <mbedtls/error.h> |
| 207 | #include <mbedtls/md5.h> |
| 208 | #include <mbedtls/sha1.h> |
| 209 | #include <mbedtls/ecdh.h> |
| 210 | #else |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 211 | #include <openssl/ssl.h> |
| 212 | #include <openssl/evp.h> |
| 213 | #include <openssl/err.h> |
Andy Green | 70dfebd | 2010-12-20 09:35:03 +0000 | [diff] [blame] | 214 | #include <openssl/md5.h> |
Andy Green | e252217 | 2011-01-18 17:14:03 +0000 | [diff] [blame] | 215 | #include <openssl/sha.h> |
Andy Green | 1a3f177 | 2016-03-28 19:58:02 +0800 | [diff] [blame] | 216 | #ifdef LWS_HAVE_OPENSSL_ECDH_H |
| 217 | #include <openssl/ecdh.h> |
| 218 | #endif |
Andy Green | e7bf0aa | 2016-06-28 19:50:40 +0800 | [diff] [blame] | 219 | #include <openssl/x509v3.h> |
Andy Green | 1a3f177 | 2016-03-28 19:58:02 +0800 | [diff] [blame] | 220 | #endif /* not USE_MBEDTLS */ |
| 221 | #endif /* not USE_POLARSSL */ |
Alexander Bruines | c3bcb89 | 2015-08-08 18:54:49 +0200 | [diff] [blame] | 222 | #endif /* not USE_WOLFSSL */ |
Darin Willits | db9ba42 | 2011-02-14 20:56:24 +0000 | [diff] [blame] | 223 | #endif |
| 224 | |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 225 | #include "libwebsockets.h" |
| 226 | |
Andy Green | 8c0d3c0 | 2015-11-02 20:34:12 +0800 | [diff] [blame] | 227 | #if defined(MBED_OPERATORS) |
| 228 | #undef compatible_close |
| 229 | #define compatible_close(fd) mbed3_delete_tcp_stream_socket(fd) |
Andy Green | 11f2734 | 2015-11-08 12:10:26 +0800 | [diff] [blame] | 230 | #ifndef BIG_ENDIAN |
| 231 | #define BIG_ENDIAN 4321 /* to show byte order (taken from gcc) */ |
| 232 | #endif |
| 233 | #ifndef LITTLE_ENDIAN |
| 234 | #define LITTLE_ENDIAN 1234 |
| 235 | #endif |
| 236 | #ifndef BYTE_ORDER |
| 237 | #define BYTE_ORDER LITTLE_ENDIAN |
| 238 | #endif |
Andy Green | 8c0d3c0 | 2015-11-02 20:34:12 +0800 | [diff] [blame] | 239 | #endif |
| 240 | |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 241 | #if defined(WIN32) || defined(_WIN32) |
| 242 | |
| 243 | #ifndef BIG_ENDIAN |
| 244 | #define BIG_ENDIAN 4321 /* to show byte order (taken from gcc) */ |
| 245 | #endif |
| 246 | #ifndef LITTLE_ENDIAN |
| 247 | #define LITTLE_ENDIAN 1234 |
| 248 | #endif |
| 249 | #ifndef BYTE_ORDER |
| 250 | #define BYTE_ORDER LITTLE_ENDIAN |
| 251 | #endif |
Andy Green | 11f2734 | 2015-11-08 12:10:26 +0800 | [diff] [blame] | 252 | #ifndef u_int64_t |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 253 | typedef unsigned __int64 u_int64_t; |
Andy Green | 11f2734 | 2015-11-08 12:10:26 +0800 | [diff] [blame] | 254 | #endif |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 255 | |
| 256 | #undef __P |
| 257 | #ifndef __P |
| 258 | #if __STDC__ |
| 259 | #define __P(protos) protos |
| 260 | #else |
| 261 | #define __P(protos) () |
| 262 | #endif |
| 263 | #endif |
| 264 | |
| 265 | #else |
| 266 | |
| 267 | #include <sys/stat.h> |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 268 | #include <sys/time.h> |
| 269 | |
| 270 | #if defined(__APPLE__) |
| 271 | #include <machine/endian.h> |
| 272 | #elif defined(__FreeBSD__) |
| 273 | #include <sys/endian.h> |
| 274 | #elif defined(__linux__) |
| 275 | #include <endian.h> |
| 276 | #endif |
| 277 | |
Andy Green | 8c0d3c0 | 2015-11-02 20:34:12 +0800 | [diff] [blame] | 278 | #ifdef __cplusplus |
| 279 | extern "C" { |
| 280 | #endif |
Alejandro Mery | ead8afe | 2014-12-07 03:36:11 +0100 | [diff] [blame] | 281 | |
emironov | a49d084 | 2014-09-16 14:05:13 +0400 | [diff] [blame] | 282 | #if defined(__QNX__) |
| 283 | #include <gulliver.h> |
| 284 | #if defined(__LITTLEENDIAN__) |
| 285 | #define BYTE_ORDER __LITTLEENDIAN__ |
| 286 | #define LITTLE_ENDIAN __LITTLEENDIAN__ |
| 287 | #define BIG_ENDIAN 4321 /* to show byte order (taken from gcc); for suppres warning that BIG_ENDIAN is not defined. */ |
| 288 | #endif |
| 289 | #if defined(__BIGENDIAN__) |
| 290 | #define BYTE_ORDER __BIGENDIAN__ |
| 291 | #define LITTLE_ENDIAN 1234 /* to show byte order (taken from gcc); for suppres warning that LITTLE_ENDIAN is not defined. */ |
| 292 | #define BIG_ENDIAN __BIGENDIAN__ |
| 293 | #endif |
| 294 | #endif |
| 295 | |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 296 | #if !defined(BYTE_ORDER) |
| 297 | # define BYTE_ORDER __BYTE_ORDER |
| 298 | #endif |
| 299 | #if !defined(LITTLE_ENDIAN) |
| 300 | # define LITTLE_ENDIAN __LITTLE_ENDIAN |
| 301 | #endif |
| 302 | #if !defined(BIG_ENDIAN) |
| 303 | # define BIG_ENDIAN __BIG_ENDIAN |
| 304 | #endif |
| 305 | |
| 306 | #endif |
| 307 | |
Darin Willits | c19456f | 2011-02-14 17:52:39 +0000 | [diff] [blame] | 308 | /* |
| 309 | * Mac OSX as well as iOS do not define the MSG_NOSIGNAL flag, |
| 310 | * but happily have something equivalent in the SO_NOSIGPIPE flag. |
| 311 | */ |
| 312 | #ifdef __APPLE__ |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 313 | #define MSG_NOSIGNAL SO_NOSIGPIPE |
Darin Willits | c19456f | 2011-02-14 17:52:39 +0000 | [diff] [blame] | 314 | #endif |
| 315 | |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 316 | #ifdef _WIN32 |
| 317 | #ifndef FD_HASHTABLE_MODULUS |
| 318 | #define FD_HASHTABLE_MODULUS 32 |
| 319 | #endif |
| 320 | #endif |
| 321 | |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 322 | #ifndef LWS_DEF_HEADER_LEN |
| 323 | #define LWS_DEF_HEADER_LEN 1024 |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 324 | #endif |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 325 | #ifndef LWS_DEF_HEADER_POOL |
| 326 | #define LWS_DEF_HEADER_POOL 16 |
Andy Green | 3df5800 | 2015-12-25 12:44:12 +0800 | [diff] [blame] | 327 | #endif |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 328 | #ifndef LWS_MAX_PROTOCOLS |
Andy Green | d91d5e8 | 2013-02-10 16:00:47 +0800 | [diff] [blame] | 329 | #define LWS_MAX_PROTOCOLS 5 |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 330 | #endif |
| 331 | #ifndef LWS_MAX_EXTENSIONS_ACTIVE |
Andy Green | d738f84 | 2016-01-19 04:32:14 +0800 | [diff] [blame] | 332 | #define LWS_MAX_EXTENSIONS_ACTIVE 2 |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 333 | #endif |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 334 | #ifndef LWS_MAX_EXT_OFFERS |
| 335 | #define LWS_MAX_EXT_OFFERS 8 |
| 336 | #endif |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 337 | #ifndef SPEC_LATEST_SUPPORTED |
Andy Green | d85cb20 | 2011-09-25 09:32:54 +0100 | [diff] [blame] | 338 | #define SPEC_LATEST_SUPPORTED 13 |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 339 | #endif |
| 340 | #ifndef AWAITING_TIMEOUT |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 341 | #define AWAITING_TIMEOUT 20 |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 342 | #endif |
| 343 | #ifndef CIPHERS_LIST_STRING |
David Galeano | f177f2a | 2013-01-10 10:15:19 +0800 | [diff] [blame] | 344 | #define CIPHERS_LIST_STRING "DEFAULT" |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 345 | #endif |
Andy Green | a824d18 | 2013-01-15 20:52:29 +0800 | [diff] [blame] | 346 | #ifndef LWS_SOMAXCONN |
| 347 | #define LWS_SOMAXCONN SOMAXCONN |
| 348 | #endif |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 349 | |
Andy Green | e252217 | 2011-01-18 17:14:03 +0000 | [diff] [blame] | 350 | #define MAX_WEBSOCKET_04_KEY_LEN 128 |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 351 | |
| 352 | #ifndef SYSTEM_RANDOM_FILEPATH |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 353 | #define SYSTEM_RANDOM_FILEPATH "/dev/urandom" |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 354 | #endif |
Andy Green | c0d6b63 | 2013-01-12 23:42:17 +0800 | [diff] [blame] | 355 | |
Andy Green | 5fd55cd | 2011-04-23 10:54:53 +0100 | [diff] [blame] | 356 | enum lws_websocket_opcodes_07 { |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 357 | LWSWSOPC_CONTINUATION = 0, |
| 358 | LWSWSOPC_TEXT_FRAME = 1, |
| 359 | LWSWSOPC_BINARY_FRAME = 2, |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 360 | |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 361 | LWSWSOPC_NOSPEC__MUX = 7, |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 362 | |
| 363 | /* control extensions 8+ */ |
| 364 | |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 365 | LWSWSOPC_CLOSE = 8, |
| 366 | LWSWSOPC_PING = 9, |
| 367 | LWSWSOPC_PONG = 0xa, |
Andy Green | 5fd55cd | 2011-04-23 10:54:53 +0100 | [diff] [blame] | 368 | }; |
| 369 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 370 | |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 371 | enum lws_connection_states { |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 372 | LWSS_HTTP, |
| 373 | LWSS_HTTP_ISSUING_FILE, |
| 374 | LWSS_HTTP_HEADERS, |
| 375 | LWSS_HTTP_BODY, |
| 376 | LWSS_DEAD_SOCKET, |
| 377 | LWSS_ESTABLISHED, |
Andy Green | a661ee5 | 2016-02-29 13:18:30 +0800 | [diff] [blame] | 378 | LWSS_CLIENT_HTTP_ESTABLISHED, |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 379 | LWSS_CLIENT_UNCONNECTED, |
| 380 | LWSS_RETURNED_CLOSE_ALREADY, |
| 381 | LWSS_AWAITING_CLOSE_ACK, |
| 382 | LWSS_FLUSHING_STORED_SEND_BEFORE_CLOSE, |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 383 | LWSS_SHUTDOWN, |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 384 | |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 385 | LWSS_HTTP2_AWAIT_CLIENT_PREFACE, |
| 386 | LWSS_HTTP2_ESTABLISHED_PRE_SETTINGS, |
| 387 | LWSS_HTTP2_ESTABLISHED, |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 388 | |
Andy Green | 2d8d35a | 2016-02-29 14:19:16 +0800 | [diff] [blame] | 389 | LWSS_CGI, |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 390 | }; |
| 391 | |
Andrew Canaday | afe26cf | 2014-07-13 01:07:36 -0400 | [diff] [blame] | 392 | enum http_version { |
| 393 | HTTP_VERSION_1_0, |
| 394 | HTTP_VERSION_1_1, |
Andy Green | 22d6f39 | 2016-04-10 09:33:54 +0800 | [diff] [blame] | 395 | HTTP_VERSION_2 |
Andrew Canaday | afe26cf | 2014-07-13 01:07:36 -0400 | [diff] [blame] | 396 | }; |
| 397 | |
| 398 | enum http_connection_type { |
| 399 | HTTP_CONNECTION_CLOSE, |
| 400 | HTTP_CONNECTION_KEEP_ALIVE |
| 401 | }; |
| 402 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 403 | enum lws_pending_protocol_send { |
| 404 | LWS_PPS_NONE, |
| 405 | LWS_PPS_HTTP2_MY_SETTINGS, |
| 406 | LWS_PPS_HTTP2_ACK_SETTINGS, |
Andy Green | bbbf07a | 2014-10-27 16:46:44 +0800 | [diff] [blame] | 407 | LWS_PPS_HTTP2_PONG, |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 408 | }; |
| 409 | |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 410 | enum lws_rx_parse_state { |
| 411 | LWS_RXPS_NEW, |
Andy Green | e77ddd8 | 2010-11-13 10:03:47 +0000 | [diff] [blame] | 412 | |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 413 | LWS_RXPS_04_mask_1, |
| 414 | LWS_RXPS_04_mask_2, |
| 415 | LWS_RXPS_04_mask_3, |
Andy Green | 3e5eb78 | 2011-01-18 18:14:26 +0000 | [diff] [blame] | 416 | |
| 417 | LWS_RXPS_04_FRAME_HDR_1, |
Andy Green | 38e57bb | 2011-01-19 12:20:27 +0000 | [diff] [blame] | 418 | LWS_RXPS_04_FRAME_HDR_LEN, |
| 419 | LWS_RXPS_04_FRAME_HDR_LEN16_2, |
| 420 | LWS_RXPS_04_FRAME_HDR_LEN16_1, |
| 421 | LWS_RXPS_04_FRAME_HDR_LEN64_8, |
| 422 | LWS_RXPS_04_FRAME_HDR_LEN64_7, |
| 423 | LWS_RXPS_04_FRAME_HDR_LEN64_6, |
| 424 | LWS_RXPS_04_FRAME_HDR_LEN64_5, |
| 425 | LWS_RXPS_04_FRAME_HDR_LEN64_4, |
| 426 | LWS_RXPS_04_FRAME_HDR_LEN64_3, |
| 427 | LWS_RXPS_04_FRAME_HDR_LEN64_2, |
| 428 | LWS_RXPS_04_FRAME_HDR_LEN64_1, |
Andy Green | 3e5eb78 | 2011-01-18 18:14:26 +0000 | [diff] [blame] | 429 | |
Andy Green | 283d0a2 | 2011-04-24 05:46:23 +0100 | [diff] [blame] | 430 | LWS_RXPS_07_COLLECT_FRAME_KEY_1, |
| 431 | LWS_RXPS_07_COLLECT_FRAME_KEY_2, |
| 432 | LWS_RXPS_07_COLLECT_FRAME_KEY_3, |
| 433 | LWS_RXPS_07_COLLECT_FRAME_KEY_4, |
| 434 | |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 435 | LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED |
| 436 | }; |
| 437 | |
| 438 | |
Andy Green | 0d33833 | 2011-02-12 11:57:43 +0000 | [diff] [blame] | 439 | enum connection_mode { |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 440 | LWSCM_HTTP_SERVING, |
Andy Green | a661ee5 | 2016-02-29 13:18:30 +0800 | [diff] [blame] | 441 | LWSCM_HTTP_CLIENT, /* we are client to someone else's server */ |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 442 | LWSCM_HTTP_SERVING_ACCEPTED, /* actual HTTP service going on */ |
Andy Green | a661ee5 | 2016-02-29 13:18:30 +0800 | [diff] [blame] | 443 | LWSCM_HTTP_CLIENT_ACCEPTED, /* actual HTTP service going on */ |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 444 | LWSCM_PRE_WS_SERVING_ACCEPT, |
Andy Green | d280b6e | 2013-01-15 13:40:23 +0800 | [diff] [blame] | 445 | |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 446 | LWSCM_WS_SERVING, |
| 447 | LWSCM_WS_CLIENT, |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 448 | |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 449 | LWSCM_HTTP2_SERVING, |
Andy Green | 0d33833 | 2011-02-12 11:57:43 +0000 | [diff] [blame] | 450 | |
Andy Green | e216071 | 2013-01-28 12:19:10 +0800 | [diff] [blame] | 451 | /* transient, ssl delay hiding */ |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 452 | LWSCM_SSL_ACK_PENDING, |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 453 | LWSCM_SSL_INIT, |
Andy Green | e216071 | 2013-01-28 12:19:10 +0800 | [diff] [blame] | 454 | |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 455 | /* transient modes */ |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 456 | LWSCM_WSCL_WAITING_CONNECT, |
| 457 | LWSCM_WSCL_WAITING_PROXY_REPLY, |
| 458 | LWSCM_WSCL_ISSUE_HANDSHAKE, |
| 459 | LWSCM_WSCL_ISSUE_HANDSHAKE2, |
| 460 | LWSCM_WSCL_WAITING_SSL, |
| 461 | LWSCM_WSCL_WAITING_SERVER_REPLY, |
| 462 | LWSCM_WSCL_WAITING_EXTENSION_CONNECT, |
| 463 | LWSCM_WSCL_PENDING_CANDIDATE_CHILD, |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 464 | |
Andy Green | 0d33833 | 2011-02-12 11:57:43 +0000 | [diff] [blame] | 465 | /* special internal types */ |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 466 | LWSCM_SERVER_LISTENER, |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 467 | LWSCM_CGI, /* stdin, stdout, stderr for another cgi master wsi */ |
Andy Green | 0d33833 | 2011-02-12 11:57:43 +0000 | [diff] [blame] | 468 | }; |
| 469 | |
Andy Green | ca0a129 | 2013-03-16 11:24:23 +0800 | [diff] [blame] | 470 | enum { |
| 471 | LWS_RXFLOW_ALLOW = (1 << 0), |
| 472 | LWS_RXFLOW_PENDING_CHANGE = (1 << 1), |
| 473 | }; |
| 474 | |
Andy Green | 1fb95e8 | 2015-12-26 17:20:34 +0800 | [diff] [blame] | 475 | /* this is not usable directly by user code any more, lws_close_reason() */ |
| 476 | #define LWS_WRITE_CLOSE 4 |
| 477 | |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 478 | struct lws_protocols; |
| 479 | struct lws; |
Andy Green | e92cd17 | 2011-01-19 13:11:55 +0000 | [diff] [blame] | 480 | |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 481 | #if defined(LWS_USE_LIBEV) || defined(LWS_USE_LIBUV) |
| 482 | |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 483 | struct lws_io_watcher { |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 484 | #ifdef LWS_USE_LIBEV |
| 485 | ev_io ev_watcher; |
| 486 | #endif |
| 487 | #ifdef LWS_USE_LIBUV |
| 488 | uv_poll_t uv_watcher; |
| 489 | #endif |
| 490 | struct lws_context *context; |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 491 | }; |
| 492 | |
| 493 | struct lws_signal_watcher { |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 494 | #ifdef LWS_USE_LIBEV |
| 495 | ev_signal ev_watcher; |
| 496 | #endif |
| 497 | #ifdef LWS_USE_LIBUV |
| 498 | uv_signal_t uv_watcher; |
| 499 | #endif |
| 500 | struct lws_context *context; |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 501 | }; |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 502 | #endif |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 503 | |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 504 | #ifdef _WIN32 |
| 505 | #define LWS_FD_HASH(fd) ((fd ^ (fd >> 8) ^ (fd >> 16)) % FD_HASHTABLE_MODULUS) |
Andy Green | 3ef579b | 2015-12-04 09:23:56 +0800 | [diff] [blame] | 506 | struct lws_fd_hashtable { |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 507 | struct lws **wsi; |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 508 | int length; |
| 509 | }; |
| 510 | #endif |
| 511 | |
Andy Green | 3df5800 | 2015-12-25 12:44:12 +0800 | [diff] [blame] | 512 | /* |
| 513 | * This is totally opaque to code using the library. It's exported as a |
| 514 | * forward-reference pointer-only declaration; the user can use the pointer with |
| 515 | * other APIs to get information out of it. |
| 516 | */ |
| 517 | |
| 518 | struct lws_fragments { |
Andy Green | 4889566 | 2016-06-02 12:32:38 +0800 | [diff] [blame] | 519 | unsigned int offset; |
Andy Green | 3df5800 | 2015-12-25 12:44:12 +0800 | [diff] [blame] | 520 | unsigned short len; |
| 521 | unsigned char nfrag; /* which ah->frag[] continues this content, or 0 */ |
| 522 | }; |
| 523 | |
| 524 | /* |
| 525 | * these are assigned from a pool held in the context. |
| 526 | * Both client and server mode uses them for http header analysis |
| 527 | */ |
| 528 | |
| 529 | struct allocated_headers { |
Andy Green | 2c218e7 | 2016-02-15 12:37:04 +0800 | [diff] [blame] | 530 | struct lws *wsi; /* owner */ |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 531 | char *data; /* prepared by context init to point to dedicated storage */ |
| 532 | /* |
| 533 | * the randomly ordered fragments, indexed by frag_index and |
| 534 | * lws_fragments->nfrag for continuation. |
| 535 | */ |
| 536 | struct lws_fragments frags[WSI_TOKEN_COUNT * 2]; |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 537 | time_t assigned; |
Andy Green | 3df5800 | 2015-12-25 12:44:12 +0800 | [diff] [blame] | 538 | /* |
| 539 | * for each recognized token, frag_index says which frag[] his data |
| 540 | * starts in (0 means the token did not appear) |
| 541 | * the actual header data gets dumped as it comes in, into data[] |
| 542 | */ |
| 543 | unsigned char frag_index[WSI_TOKEN_COUNT]; |
Andy Green | 2c218e7 | 2016-02-15 12:37:04 +0800 | [diff] [blame] | 544 | unsigned char rx[2048]; |
| 545 | unsigned int rxpos; |
| 546 | unsigned int rxlen; |
Andy Green | 4889566 | 2016-06-02 12:32:38 +0800 | [diff] [blame] | 547 | unsigned int pos; |
Andy Green | 2c218e7 | 2016-02-15 12:37:04 +0800 | [diff] [blame] | 548 | |
Andy Green | 3df5800 | 2015-12-25 12:44:12 +0800 | [diff] [blame] | 549 | #ifndef LWS_NO_CLIENT |
| 550 | char initial_handshake_hash_base64[30]; |
Andy Green | 3df5800 | 2015-12-25 12:44:12 +0800 | [diff] [blame] | 551 | #endif |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 552 | |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 553 | unsigned char in_use; |
| 554 | unsigned char nfrag; |
Andy Green | 3df5800 | 2015-12-25 12:44:12 +0800 | [diff] [blame] | 555 | }; |
| 556 | |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 557 | /* |
| 558 | * so we can have n connections being serviced simultaneously, |
| 559 | * these things need to be isolated per-thread. |
| 560 | */ |
| 561 | |
| 562 | struct lws_context_per_thread { |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 563 | #if LWS_MAX_SMP > 1 |
| 564 | pthread_mutex_t lock; |
| 565 | #endif |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 566 | struct lws_pollfd *fds; |
| 567 | struct lws *rx_draining_ext_list; |
| 568 | struct lws *tx_draining_ext_list; |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 569 | struct lws *timeout_list; |
Andy Green | 38a1cbb | 2016-02-27 11:03:27 +0800 | [diff] [blame] | 570 | struct lws_context *context; |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 571 | #ifdef LWS_WITH_CGI |
| 572 | struct lws_cgi *cgi_list; |
| 573 | #endif |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 574 | void *http_header_data; |
| 575 | struct allocated_headers *ah_pool; |
| 576 | struct lws *ah_wait_list; |
| 577 | int ah_wait_list_length; |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 578 | #ifdef LWS_OPENSSL_SUPPORT |
| 579 | struct lws *pending_read_list; /* linked list */ |
| 580 | #endif |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 581 | #ifndef LWS_NO_SERVER |
| 582 | struct lws *wsi_listening; |
| 583 | #endif |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 584 | #if defined(LWS_USE_LIBEV) |
| 585 | struct ev_loop *io_loop_ev; |
| 586 | #endif |
| 587 | #if defined(LWS_USE_LIBUV) |
| 588 | uv_loop_t *io_loop_uv; |
| 589 | uv_signal_t signals[8]; |
Andy Green | 38a1cbb | 2016-02-27 11:03:27 +0800 | [diff] [blame] | 590 | uv_timer_t uv_timeout_watcher; |
Andy Green | 09998e3 | 2016-04-06 09:23:16 +0800 | [diff] [blame] | 591 | uv_idle_t uv_idle; |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 592 | #endif |
| 593 | #if defined(LWS_USE_LIBEV) |
| 594 | struct lws_io_watcher w_accept; |
| 595 | #endif |
| 596 | #if defined(LWS_USE_LIBEV) || defined(LWS_USE_LIBUV) |
| 597 | struct lws_signal_watcher w_sigint; |
| 598 | unsigned char ev_loop_foreign:1; |
| 599 | #endif |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 600 | |
| 601 | unsigned long count_conns; |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 602 | /* |
| 603 | * usable by anything in the service code, but only if the scope |
| 604 | * does not last longer than the service action (since next service |
| 605 | * of any socket can likewise use it and overwrite) |
| 606 | */ |
| 607 | unsigned char *serv_buf; |
| 608 | #ifdef _WIN32 |
| 609 | WSAEVENT *events; |
| 610 | #else |
| 611 | int dummy_pipe_fds[2]; |
| 612 | #endif |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 613 | unsigned int fds_count; |
| 614 | |
| 615 | short ah_count_in_use; |
Andy Green | 38a1cbb | 2016-02-27 11:03:27 +0800 | [diff] [blame] | 616 | unsigned char tid; |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 617 | }; |
| 618 | |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 619 | /* |
| 620 | * virtual host -related context information |
| 621 | * vhostwide SSL context |
| 622 | * vhostwide proxy |
| 623 | * |
| 624 | * heirarchy: |
| 625 | * |
| 626 | * context -> vhost -> wsi |
| 627 | * |
| 628 | * incoming connection non-SSL vhost binding: |
| 629 | * |
| 630 | * listen socket -> wsi -> select vhost after first headers |
| 631 | * |
| 632 | * incoming connection SSL vhost binding: |
| 633 | * |
| 634 | * SSL SNI -> wsi -> bind after SSL negotiation |
| 635 | */ |
| 636 | |
| 637 | struct lws_vhost { |
| 638 | char http_proxy_address[128]; |
| 639 | char proxy_basic_auth_token[128]; |
| 640 | struct lws_context *context; |
| 641 | struct lws_vhost *vhost_next; |
Andy Green | 4664f71 | 2016-05-02 04:59:54 +0800 | [diff] [blame] | 642 | const struct lws_http_mount *mount_list; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 643 | struct lws *lserv_wsi; |
| 644 | const char *name; |
| 645 | const char *iface; |
| 646 | const struct lws_protocols *protocols; |
Andy Green | 0207705 | 2016-04-06 16:15:40 +0800 | [diff] [blame] | 647 | void **protocol_vh_privs; |
Andy Green | 952fcde | 2016-05-02 06:01:59 +0800 | [diff] [blame] | 648 | const struct lws_protocol_vhost_options *pvo; |
Andy Green | 4714cf0 | 2016-04-16 08:40:35 +0800 | [diff] [blame] | 649 | struct lws **same_vh_protocol_list; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 650 | #ifdef LWS_OPENSSL_SUPPORT |
| 651 | SSL_CTX *ssl_ctx; |
| 652 | SSL_CTX *ssl_client_ctx; |
| 653 | #endif |
| 654 | #ifndef LWS_NO_EXTENSIONS |
| 655 | const struct lws_extension *extensions; |
| 656 | #endif |
Andy Green | c25b290 | 2016-05-04 15:59:27 +0800 | [diff] [blame] | 657 | unsigned long long rx, tx; |
| 658 | unsigned long conn, trans, ws_upgrades, http2_upgrades; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 659 | |
| 660 | int listen_port; |
| 661 | unsigned int http_proxy_port; |
Andy Green | cc3c6fb | 2016-04-14 15:09:01 +0800 | [diff] [blame] | 662 | unsigned int options; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 663 | int count_protocols; |
| 664 | int ka_time; |
| 665 | int ka_probes; |
| 666 | int ka_interval; |
Andy Green | b46e4a8 | 2016-04-12 16:26:03 +0800 | [diff] [blame] | 667 | int keepalive_timeout; |
Andy Green | 2f0bc93 | 2016-04-15 12:00:23 +0800 | [diff] [blame] | 668 | #ifdef LWS_WITH_ACCESS_LOG |
| 669 | int log_fd; |
| 670 | #endif |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 671 | |
| 672 | #ifdef LWS_OPENSSL_SUPPORT |
| 673 | int use_ssl; |
| 674 | int allow_non_ssl_on_ssl_port; |
| 675 | unsigned int user_supplied_ssl_ctx:1; |
| 676 | #endif |
Andy Green | f658528 | 2016-05-06 14:24:59 +0800 | [diff] [blame] | 677 | unsigned char default_protocol_index; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 678 | }; |
| 679 | |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 680 | /* |
| 681 | * the rest is managed per-context, that includes |
| 682 | * |
| 683 | * - processwide single fd -> wsi lookup |
| 684 | * - contextwide headers pool |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 685 | */ |
| 686 | |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 687 | struct lws_context { |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 688 | time_t last_timeout_check_s; |
Andy Green | 9806140 | 2016-04-15 14:01:29 +0800 | [diff] [blame] | 689 | time_t time_up; |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 690 | struct lws_plat_file_ops fops; |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 691 | struct lws_context_per_thread pt[LWS_MAX_SMP]; |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 692 | #ifdef _WIN32 |
| 693 | /* different implementation between unix and windows */ |
Andy Green | 3ef579b | 2015-12-04 09:23:56 +0800 | [diff] [blame] | 694 | struct lws_fd_hashtable fd_hashtable[FD_HASHTABLE_MODULUS]; |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 695 | #else |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 696 | struct lws **lws_lookup; /* fd to wsi */ |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 697 | #endif |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 698 | struct lws_vhost *vhost_list; |
Andy Green | 0207705 | 2016-04-06 16:15:40 +0800 | [diff] [blame] | 699 | struct lws_plugin *plugin_list; |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 700 | const struct lws_token_limits *token_limits; |
| 701 | void *user_space; |
Andy Green | b21c20b | 2016-04-15 13:33:52 +0800 | [diff] [blame] | 702 | const char *server_string; |
Andy Green | d738f84 | 2016-01-19 04:32:14 +0800 | [diff] [blame] | 703 | |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 704 | #if defined(LWS_USE_LIBEV) |
| 705 | lws_ev_signal_cb_t * lws_ev_sigint_cb; |
| 706 | #endif |
| 707 | #if defined(LWS_USE_LIBUV) |
Denis Osvald | f107e4b | 2016-03-22 14:04:15 +0100 | [diff] [blame] | 708 | uv_signal_cb lws_uv_sigint_cb; |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 709 | #endif |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 710 | char canonical_hostname[128]; |
| 711 | #ifdef LWS_LATENCY |
| 712 | unsigned long worst_latency; |
| 713 | char worst_latency_info[256]; |
| 714 | #endif |
Andy Green | b8b247d | 2013-01-22 07:20:08 +0800 | [diff] [blame] | 715 | |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 716 | int max_fds; |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 717 | #if defined(LWS_USE_LIBEV) || defined(LWS_USE_LIBUV) |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 718 | int use_ev_sigint; |
| 719 | #endif |
Andy Green | 24cba92 | 2013-01-19 13:56:10 +0800 | [diff] [blame] | 720 | int started_with_parent; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 721 | int uid, gid; |
Andy Green | 24cba92 | 2013-01-19 13:56:10 +0800 | [diff] [blame] | 722 | |
Andy Green | 44eee68 | 2011-02-10 09:32:24 +0000 | [diff] [blame] | 723 | int fd_random; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 724 | #ifdef LWS_OPENSSL_SUPPORT |
| 725 | #define lws_ssl_anybody_has_buffered_read(w) \ |
| 726 | (w->vhost->use_ssl && \ |
| 727 | w->context->pt[(int)w->tsi].pending_read_list) |
| 728 | #define lws_ssl_anybody_has_buffered_read_tsi(c, t) \ |
| 729 | (/*c->use_ssl && */ \ |
| 730 | c->pt[(int)t].pending_read_list) |
| 731 | #else |
| 732 | #define lws_ssl_anybody_has_buffered_read(ctx) (0) |
| 733 | #define lws_ssl_anybody_has_buffered_read_tsi(ctx, t) (0) |
| 734 | #endif |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 735 | int count_wsi_allocated; |
Andy Green | 748a221 | 2016-04-20 06:10:56 +0800 | [diff] [blame] | 736 | int count_cgi_spawned; |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 737 | unsigned int options; |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 738 | unsigned int fd_limit_per_thread; |
Andy Green | 200a6a2 | 2016-02-15 20:36:02 +0800 | [diff] [blame] | 739 | unsigned int timeout_secs; |
Andy Green | e7c1c75 | 2016-05-19 12:34:35 +0800 | [diff] [blame] | 740 | unsigned int pt_serv_buf_size; |
Andy Green | 4889566 | 2016-06-02 12:32:38 +0800 | [diff] [blame] | 741 | int max_http_header_data; |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 742 | |
Patrick Gansterer | 1ee57f6 | 2014-03-06 11:57:50 +0100 | [diff] [blame] | 743 | /* |
| 744 | * set to the Thread ID that's doing the service loop just before entry |
| 745 | * to poll indicates service thread likely idling in poll() |
| 746 | * volatile because other threads may check it as part of processing |
| 747 | * for pollfd event change. |
| 748 | */ |
| 749 | volatile int service_tid; |
Andy Green | c35b36b | 2015-12-24 13:00:54 +0800 | [diff] [blame] | 750 | int service_tid_detected; |
Patrick Gansterer | 1ee57f6 | 2014-03-06 11:57:50 +0100 | [diff] [blame] | 751 | |
Andy Green | 3df5800 | 2015-12-25 12:44:12 +0800 | [diff] [blame] | 752 | short max_http_header_pool; |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 753 | short count_threads; |
Andy Green | 0207705 | 2016-04-06 16:15:40 +0800 | [diff] [blame] | 754 | short plugin_protocol_count; |
| 755 | short plugin_extension_count; |
Andy Green | b21c20b | 2016-04-15 13:33:52 +0800 | [diff] [blame] | 756 | short server_string_len; |
Andy Green | 9a9d5ea | 2016-01-18 11:49:41 +0800 | [diff] [blame] | 757 | |
| 758 | unsigned int being_destroyed:1; |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 759 | unsigned int requested_kill:1; |
Andy Green | 0207705 | 2016-04-06 16:15:40 +0800 | [diff] [blame] | 760 | unsigned int protocol_init_done:1; |
Andy Green | b45993c | 2010-12-18 15:13:50 +0000 | [diff] [blame] | 761 | }; |
| 762 | |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 763 | #define lws_get_context_protocol(ctx, x) ctx->vhost_list->protocols[x] |
| 764 | #define lws_get_vh_protocol(vh, x) vh->protocols[x] |
| 765 | |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 766 | LWS_EXTERN void |
| 767 | lws_close_free_wsi_final(struct lws *wsi); |
| 768 | LWS_EXTERN void |
| 769 | lws_libuv_closehandle(struct lws *wsi); |
| 770 | |
Andy Green | 0a18354 | 2016-04-09 07:22:40 +0800 | [diff] [blame] | 771 | LWS_VISIBLE LWS_EXTERN int |
Andy Green | cae57ad | 2016-05-02 10:03:25 +0800 | [diff] [blame] | 772 | lws_plat_plugins_init(struct lws_context * context, const char * const *d); |
Andy Green | 0a18354 | 2016-04-09 07:22:40 +0800 | [diff] [blame] | 773 | |
| 774 | LWS_VISIBLE LWS_EXTERN int |
| 775 | lws_plat_plugins_destroy(struct lws_context * context); |
| 776 | |
Andy Green | a717df2 | 2014-04-11 13:14:37 +0800 | [diff] [blame] | 777 | enum { |
| 778 | LWS_EV_READ = (1 << 0), |
| 779 | LWS_EV_WRITE = (1 << 1), |
| 780 | LWS_EV_START = (1 << 2), |
| 781 | LWS_EV_STOP = (1 << 3), |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 782 | |
| 783 | LWS_EV_PREPARE_DELETION = (1 << 31), |
Andy Green | a717df2 | 2014-04-11 13:14:37 +0800 | [diff] [blame] | 784 | }; |
| 785 | |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 786 | #if defined(LWS_USE_LIBEV) |
Andy Green | a717df2 | 2014-04-11 13:14:37 +0800 | [diff] [blame] | 787 | LWS_EXTERN void |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 788 | lws_libev_accept(struct lws *new_wsi, lws_sockfd_type accept_fd); |
Andy Green | a717df2 | 2014-04-11 13:14:37 +0800 | [diff] [blame] | 789 | LWS_EXTERN void |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 790 | lws_libev_io(struct lws *wsi, int flags); |
Andy Green | a717df2 | 2014-04-11 13:14:37 +0800 | [diff] [blame] | 791 | LWS_EXTERN int |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 792 | lws_libev_init_fd_table(struct lws_context *context); |
Andy Green | a717df2 | 2014-04-11 13:14:37 +0800 | [diff] [blame] | 793 | LWS_EXTERN void |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 794 | lws_libev_destroyloop(struct lws_context *context, int tsi); |
| 795 | LWS_EXTERN void |
| 796 | lws_libev_run(const struct lws_context *context, int tsi); |
Andy Green | c6fd360 | 2016-03-23 09:22:11 +0800 | [diff] [blame] | 797 | #define LWS_LIBEV_ENABLED(context) lws_check_opt(context->options, LWS_SERVER_OPTION_LIBEV) |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 798 | LWS_EXTERN void lws_feature_status_libev(struct lws_context_creation_info *info); |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 799 | #else |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 800 | #define lws_libev_accept(_a, _b) ((void) 0) |
| 801 | #define lws_libev_io(_a, _b) ((void) 0) |
| 802 | #define lws_libev_init_fd_table(_a) (0) |
| 803 | #define lws_libev_run(_a, _b) ((void) 0) |
| 804 | #define lws_libev_destroyloop(_a, _b) ((void) 0) |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 805 | #define LWS_LIBEV_ENABLED(context) (0) |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 806 | #if LWS_POSIX |
Andy Green | a717df2 | 2014-04-11 13:14:37 +0800 | [diff] [blame] | 807 | #define lws_feature_status_libev(_a) \ |
| 808 | lwsl_notice("libev support not compiled in\n") |
Andy Green | 8c0d3c0 | 2015-11-02 20:34:12 +0800 | [diff] [blame] | 809 | #else |
| 810 | #define lws_feature_status_libev(_a) |
| 811 | #endif |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 812 | #endif |
| 813 | |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 814 | #if defined(LWS_USE_LIBUV) |
| 815 | LWS_EXTERN void |
| 816 | lws_libuv_accept(struct lws *new_wsi, lws_sockfd_type accept_fd); |
| 817 | LWS_EXTERN void |
| 818 | lws_libuv_io(struct lws *wsi, int flags); |
| 819 | LWS_EXTERN int |
| 820 | lws_libuv_init_fd_table(struct lws_context *context); |
| 821 | LWS_EXTERN void |
| 822 | lws_libuv_run(const struct lws_context *context, int tsi); |
| 823 | LWS_EXTERN void |
| 824 | lws_libuv_destroyloop(struct lws_context *context, int tsi); |
Andy Green | c6fd360 | 2016-03-23 09:22:11 +0800 | [diff] [blame] | 825 | #define LWS_LIBUV_ENABLED(context) lws_check_opt(context->options, LWS_SERVER_OPTION_LIBUV) |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 826 | LWS_EXTERN void lws_feature_status_libuv(struct lws_context_creation_info *info); |
| 827 | #else |
| 828 | #define lws_libuv_accept(_a, _b) ((void) 0) |
| 829 | #define lws_libuv_io(_a, _b) ((void) 0) |
| 830 | #define lws_libuv_init_fd_table(_a) (0) |
| 831 | #define lws_libuv_run(_a, _b) ((void) 0) |
| 832 | #define lws_libuv_destroyloop(_a, _b) ((void) 0) |
| 833 | #define LWS_LIBUV_ENABLED(context) (0) |
| 834 | #if LWS_POSIX |
| 835 | #define lws_feature_status_libuv(_a) \ |
| 836 | lwsl_notice("libuv support not compiled in\n") |
| 837 | #else |
| 838 | #define lws_feature_status_libuv(_a) |
| 839 | #endif |
| 840 | #endif |
| 841 | |
| 842 | |
Andy Green | 055f297 | 2014-03-24 16:09:25 +0800 | [diff] [blame] | 843 | #ifdef LWS_USE_IPV6 |
Andy Green | 2dc7dde | 2016-06-03 21:19:40 +0800 | [diff] [blame] | 844 | #define LWS_IPV6_ENABLED(vh) \ |
Denis Osvald | c16c6c8 | 2016-06-03 17:40:12 +0200 | [diff] [blame] | 845 | (!lws_check_opt(vh->context->options, LWS_SERVER_OPTION_DISABLE_IPV6) && \ |
Andy Green | 2dc7dde | 2016-06-03 21:19:40 +0800 | [diff] [blame] | 846 | !lws_check_opt(vh->options, LWS_SERVER_OPTION_DISABLE_IPV6)) |
James Devine | 3f13ea2 | 2014-03-24 16:09:25 +0800 | [diff] [blame] | 847 | #else |
| 848 | #define LWS_IPV6_ENABLED(context) (0) |
| 849 | #endif |
Andrew Canaday | 9769f4f | 2014-03-23 13:25:07 +0800 | [diff] [blame] | 850 | |
Yeonjun Lim | 3c6a8c1 | 2016-03-30 22:47:02 -0700 | [diff] [blame] | 851 | #ifdef LWS_USE_UNIX_SOCK |
Andy Green | 144594d | 2016-04-14 12:11:51 +0800 | [diff] [blame] | 852 | #define LWS_UNIX_SOCK_ENABLED(vhost) \ |
| 853 | (vhost->options & LWS_SERVER_OPTION_UNIX_SOCK) |
Yeonjun Lim | 3c6a8c1 | 2016-03-30 22:47:02 -0700 | [diff] [blame] | 854 | #else |
Andy Green | 144594d | 2016-04-14 12:11:51 +0800 | [diff] [blame] | 855 | #define LWS_UNIX_SOCK_ENABLED(vhost) (0) |
Yeonjun Lim | 3c6a8c1 | 2016-03-30 22:47:02 -0700 | [diff] [blame] | 856 | #endif |
Andy Green | b1a9e50 | 2013-11-10 15:15:21 +0800 | [diff] [blame] | 857 | enum uri_path_states { |
| 858 | URIPS_IDLE, |
| 859 | URIPS_SEEN_SLASH, |
| 860 | URIPS_SEEN_SLASH_DOT, |
| 861 | URIPS_SEEN_SLASH_DOT_DOT, |
| 862 | }; |
| 863 | |
| 864 | enum uri_esc_states { |
| 865 | URIES_IDLE, |
| 866 | URIES_SEEN_PERCENT, |
| 867 | URIES_SEEN_PERCENT_H1, |
| 868 | }; |
Andy Green | f3d3b40 | 2011-02-09 07:16:34 +0000 | [diff] [blame] | 869 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 870 | /* notice that these union members: |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 871 | * |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 872 | * hdr |
| 873 | * http |
| 874 | * http2 |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 875 | * |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 876 | * all have a pointer to allocated_headers struct as their first member. |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 877 | * |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 878 | * It means for allocated_headers access, the three union paths can all be |
Peter Pentchev | bb085da | 2015-12-03 15:55:11 +0200 | [diff] [blame] | 879 | * used interchangeably to access the same data |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 880 | */ |
| 881 | |
Andy Green | a661ee5 | 2016-02-29 13:18:30 +0800 | [diff] [blame] | 882 | |
| 883 | #ifndef LWS_NO_CLIENT |
| 884 | struct client_info_stash { |
| 885 | char address[256]; |
| 886 | char path[1024]; |
| 887 | char host[256]; |
| 888 | char origin[256]; |
| 889 | char protocol[256]; |
| 890 | char method[16]; |
| 891 | }; |
| 892 | #endif |
| 893 | |
Andy Green | 2d8d35a | 2016-02-29 14:19:16 +0800 | [diff] [blame] | 894 | struct _lws_header_related { |
| 895 | /* MUST be first in struct */ |
| 896 | struct allocated_headers *ah; |
| 897 | struct lws *ah_wait_list; |
| 898 | unsigned char *preamble_rx; |
| 899 | #ifndef LWS_NO_CLIENT |
| 900 | struct client_info_stash *stash; |
| 901 | #endif |
| 902 | unsigned int preamble_rx_len; |
| 903 | enum uri_path_states ups; |
| 904 | enum uri_esc_states ues; |
| 905 | short lextable_pos; |
Andy Green | 4889566 | 2016-06-02 12:32:38 +0800 | [diff] [blame] | 906 | unsigned int current_token_limit; |
Andy Green | 2d8d35a | 2016-02-29 14:19:16 +0800 | [diff] [blame] | 907 | #ifndef LWS_NO_CLIENT |
| 908 | unsigned short c_port; |
| 909 | #endif |
| 910 | char esc_stash; |
| 911 | char post_literal_equal; |
| 912 | unsigned char parser_state; /* enum lws_token_indexes */ |
| 913 | char redirects; |
| 914 | }; |
| 915 | |
Andy Green | 84fd949 | 2013-11-09 11:40:32 +0800 | [diff] [blame] | 916 | struct _lws_http_mode_related { |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 917 | /* MUST be first in struct */ |
Andy Green | 84fd949 | 2013-11-09 11:40:32 +0800 | [diff] [blame] | 918 | struct allocated_headers *ah; /* mirroring _lws_header_related */ |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 919 | struct lws *ah_wait_list; |
Andy Green | 2d8d35a | 2016-02-29 14:19:16 +0800 | [diff] [blame] | 920 | unsigned char *preamble_rx; |
| 921 | #ifndef LWS_NO_CLIENT |
| 922 | struct client_info_stash *stash; |
| 923 | #endif |
| 924 | unsigned int preamble_rx_len; |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 925 | struct lws *new_wsi_list; |
Andy Green | 84fd949 | 2013-11-09 11:40:32 +0800 | [diff] [blame] | 926 | unsigned long filepos; |
| 927 | unsigned long filelen; |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 928 | lws_filefd_type fd; |
kapejod | ce64fb0 | 2013-11-19 13:38:16 +0100 | [diff] [blame] | 929 | |
Andrew Canaday | afe26cf | 2014-07-13 01:07:36 -0400 | [diff] [blame] | 930 | enum http_version request_version; |
| 931 | enum http_connection_type connection_type; |
Andy Green | 2cd3074 | 2015-11-02 13:10:33 +0800 | [diff] [blame] | 932 | unsigned int content_length; |
| 933 | unsigned int content_remain; |
Andy Green | 84fd949 | 2013-11-09 11:40:32 +0800 | [diff] [blame] | 934 | }; |
| 935 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 936 | #ifdef LWS_USE_HTTP2 |
| 937 | |
| 938 | enum lws_http2_settings { |
| 939 | LWS_HTTP2_SETTINGS__HEADER_TABLE_SIZE = 1, |
| 940 | LWS_HTTP2_SETTINGS__ENABLE_PUSH, |
| 941 | LWS_HTTP2_SETTINGS__MAX_CONCURRENT_STREAMS, |
| 942 | LWS_HTTP2_SETTINGS__INITIAL_WINDOW_SIZE, |
| 943 | LWS_HTTP2_SETTINGS__MAX_FRAME_SIZE, |
| 944 | LWS_HTTP2_SETTINGS__MAX_HEADER_LIST_SIZE, |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 945 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 946 | LWS_HTTP2_SETTINGS__COUNT /* always last */ |
Andy Green | a54f232 | 2014-09-30 09:43:14 +0800 | [diff] [blame] | 947 | }; |
| 948 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 949 | enum lws_http2_wellknown_frame_types { |
| 950 | LWS_HTTP2_FRAME_TYPE_DATA, |
| 951 | LWS_HTTP2_FRAME_TYPE_HEADERS, |
| 952 | LWS_HTTP2_FRAME_TYPE_PRIORITY, |
| 953 | LWS_HTTP2_FRAME_TYPE_RST_STREAM, |
| 954 | LWS_HTTP2_FRAME_TYPE_SETTINGS, |
| 955 | LWS_HTTP2_FRAME_TYPE_PUSH_PROMISE, |
| 956 | LWS_HTTP2_FRAME_TYPE_PING, |
| 957 | LWS_HTTP2_FRAME_TYPE_GOAWAY, |
| 958 | LWS_HTTP2_FRAME_TYPE_WINDOW_UPDATE, |
| 959 | LWS_HTTP2_FRAME_TYPE_CONTINUATION, |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 960 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 961 | LWS_HTTP2_FRAME_TYPE_COUNT /* always last */ |
| 962 | }; |
| 963 | |
Andy Green | 91b0589 | 2014-10-17 08:38:44 +0800 | [diff] [blame] | 964 | enum lws_http2_flags { |
| 965 | LWS_HTTP2_FLAG_END_STREAM = 1, |
| 966 | LWS_HTTP2_FLAG_END_HEADERS = 4, |
| 967 | LWS_HTTP2_FLAG_PADDED = 8, |
| 968 | LWS_HTTP2_FLAG_PRIORITY = 0x20, |
| 969 | |
| 970 | LWS_HTTP2_FLAG_SETTINGS_ACK = 1, |
| 971 | }; |
| 972 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 973 | #define LWS_HTTP2_STREAM_ID_MASTER 0 |
| 974 | #define LWS_HTTP2_FRAME_HEADER_LENGTH 9 |
| 975 | #define LWS_HTTP2_SETTINGS_LENGTH 6 |
| 976 | |
| 977 | struct http2_settings { |
| 978 | unsigned int setting[LWS_HTTP2_SETTINGS__COUNT]; |
| 979 | }; |
| 980 | |
Andy Green | ecc2e72 | 2014-10-09 16:57:47 +0800 | [diff] [blame] | 981 | enum http2_hpack_state { |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 982 | |
Andy Green | 200f385 | 2014-10-18 12:23:05 +0800 | [diff] [blame] | 983 | /* optional before first header block */ |
| 984 | HPKS_OPT_PADDING, |
| 985 | HKPS_OPT_E_DEPENDENCY, |
| 986 | HKPS_OPT_WEIGHT, |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 987 | |
Andy Green | 200f385 | 2014-10-18 12:23:05 +0800 | [diff] [blame] | 988 | /* header block */ |
Andy Green | ecc2e72 | 2014-10-09 16:57:47 +0800 | [diff] [blame] | 989 | HPKS_TYPE, |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 990 | |
Andy Green | 2add634 | 2014-10-12 08:38:16 +0800 | [diff] [blame] | 991 | HPKS_IDX_EXT, |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 992 | |
Andy Green | ecc2e72 | 2014-10-09 16:57:47 +0800 | [diff] [blame] | 993 | HPKS_HLEN, |
| 994 | HPKS_HLEN_EXT, |
| 995 | |
| 996 | HPKS_DATA, |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 997 | |
Andy Green | 200f385 | 2014-10-18 12:23:05 +0800 | [diff] [blame] | 998 | /* optional after last header block */ |
| 999 | HKPS_OPT_DISCARD_PADDING, |
Andy Green | ecc2e72 | 2014-10-09 16:57:47 +0800 | [diff] [blame] | 1000 | }; |
| 1001 | |
Andy Green | 2add634 | 2014-10-12 08:38:16 +0800 | [diff] [blame] | 1002 | enum http2_hpack_type { |
| 1003 | HPKT_INDEXED_HDR_7, |
| 1004 | HPKT_INDEXED_HDR_6_VALUE_INCR, |
| 1005 | HPKT_LITERAL_HDR_VALUE_INCR, |
| 1006 | HPKT_INDEXED_HDR_4_VALUE, |
| 1007 | HPKT_LITERAL_HDR_VALUE, |
| 1008 | HPKT_SIZE_5 |
| 1009 | }; |
| 1010 | |
Andy Green | 200f385 | 2014-10-18 12:23:05 +0800 | [diff] [blame] | 1011 | struct hpack_dt_entry { |
| 1012 | int token; /* additions that don't map to a token are ignored */ |
| 1013 | int arg_offset; |
| 1014 | int arg_len; |
| 1015 | }; |
| 1016 | |
| 1017 | struct hpack_dynamic_table { |
| 1018 | struct hpack_dt_entry *entries; |
| 1019 | char *args; |
| 1020 | int pos; |
| 1021 | int next; |
| 1022 | int num_entries; |
| 1023 | int args_length; |
| 1024 | }; |
| 1025 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1026 | struct _lws_http2_related { |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1027 | /* |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1028 | * having this first lets us also re-use all HTTP union code |
| 1029 | * and in turn, http_mode_related has allocated headers in right |
| 1030 | * place so we can use the header apis on the wsi directly still |
| 1031 | */ |
| 1032 | struct _lws_http_mode_related http; /* MUST BE FIRST IN STRUCT */ |
| 1033 | |
| 1034 | struct http2_settings my_settings; |
| 1035 | struct http2_settings peer_settings; |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1036 | |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1037 | struct lws *parent_wsi; |
| 1038 | struct lws *next_child_wsi; |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1039 | |
Andy Green | 200f385 | 2014-10-18 12:23:05 +0800 | [diff] [blame] | 1040 | struct hpack_dynamic_table *hpack_dyn_table; |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1041 | struct lws *stream_wsi; |
| 1042 | unsigned char ping_payload[8]; |
| 1043 | unsigned char one_setting[LWS_HTTP2_SETTINGS_LENGTH]; |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1044 | |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1045 | unsigned int count; |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1046 | unsigned int length; |
| 1047 | unsigned int stream_id; |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1048 | enum http2_hpack_state hpack; |
| 1049 | enum http2_hpack_type hpack_type; |
| 1050 | unsigned int header_index; |
| 1051 | unsigned int hpack_len; |
| 1052 | unsigned int hpack_e_dep; |
| 1053 | int tx_credit; |
| 1054 | unsigned int my_stream_id; |
| 1055 | unsigned int child_count; |
| 1056 | int my_priority; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1057 | |
Andy Green | 91b0589 | 2014-10-17 08:38:44 +0800 | [diff] [blame] | 1058 | unsigned int END_STREAM:1; |
| 1059 | unsigned int END_HEADERS:1; |
Andy Green | 1cea581 | 2014-10-19 07:36:20 +0800 | [diff] [blame] | 1060 | unsigned int send_END_STREAM:1; |
Andy Green | 7df53c5 | 2014-10-22 15:37:28 +0800 | [diff] [blame] | 1061 | unsigned int GOING_AWAY; |
| 1062 | unsigned int requested_POLLOUT:1; |
Andy Green | 97ee57f | 2014-10-29 09:39:08 +0800 | [diff] [blame] | 1063 | unsigned int waiting_tx_credit:1; |
Andy Green | ecc2e72 | 2014-10-09 16:57:47 +0800 | [diff] [blame] | 1064 | unsigned int huff:1; |
| 1065 | unsigned int value:1; |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1066 | |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1067 | unsigned short round_robin_POLLOUT; |
| 1068 | unsigned short count_POLLOUT_children; |
| 1069 | unsigned short hpack_pos; |
| 1070 | |
| 1071 | unsigned char type; |
| 1072 | unsigned char flags; |
| 1073 | unsigned char frame_state; |
| 1074 | unsigned char padding; |
| 1075 | unsigned char hpack_m; |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1076 | unsigned char initialized; |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1077 | }; |
| 1078 | |
Andy Green | 7df53c5 | 2014-10-22 15:37:28 +0800 | [diff] [blame] | 1079 | #define HTTP2_IS_TOPLEVEL_WSI(wsi) (!wsi->u.http2.parent_wsi) |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1080 | |
| 1081 | #endif |
| 1082 | |
Andy Green | 623a98d | 2013-01-21 11:04:23 +0800 | [diff] [blame] | 1083 | struct _lws_websocket_related { |
Andy Green | 2c218e7 | 2016-02-15 12:37:04 +0800 | [diff] [blame] | 1084 | /* cheapest way to deal with ah overlap with ws union transition */ |
Andy Green | 26d4249 | 2016-02-24 12:40:21 +0800 | [diff] [blame] | 1085 | struct _lws_header_related hdr; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1086 | char *rx_ubuf; |
Andy Green | 4019aab | 2016-01-30 11:43:10 +0800 | [diff] [blame] | 1087 | unsigned int rx_ubuf_alloc; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1088 | struct lws *rx_draining_ext_list; |
| 1089 | struct lws *tx_draining_ext_list; |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1090 | size_t rx_packet_length; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1091 | unsigned int rx_ubuf_head; |
| 1092 | unsigned char mask[4]; |
Andy Green | 1fb95e8 | 2015-12-26 17:20:34 +0800 | [diff] [blame] | 1093 | /* Also used for close content... control opcode == < 128 */ |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1094 | unsigned char ping_payload_buf[128 - 3 + LWS_PRE]; |
Andy Green | 1fb95e8 | 2015-12-26 17:20:34 +0800 | [diff] [blame] | 1095 | |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1096 | unsigned char ping_payload_len; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1097 | unsigned char mask_idx; |
Andy Green | 623a98d | 2013-01-21 11:04:23 +0800 | [diff] [blame] | 1098 | unsigned char opcode; |
Andy Green | 623a98d | 2013-01-21 11:04:23 +0800 | [diff] [blame] | 1099 | unsigned char rsv; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1100 | unsigned char rsv_first_msg; |
Andy Green | 1fb95e8 | 2015-12-26 17:20:34 +0800 | [diff] [blame] | 1101 | /* zero if no info, or length including 2-byte close code */ |
| 1102 | unsigned char close_in_ping_buffer_len; |
Andy Green | 0c7b38b | 2015-12-29 09:46:03 +0800 | [diff] [blame] | 1103 | unsigned char utf8; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1104 | unsigned char stashed_write_type; |
| 1105 | unsigned char tx_draining_stashed_wp; |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1106 | |
| 1107 | unsigned int final:1; |
Andy Green | d91d5e8 | 2013-02-10 16:00:47 +0800 | [diff] [blame] | 1108 | unsigned int frame_is_binary:1; |
Andy Green | d91d5e8 | 2013-02-10 16:00:47 +0800 | [diff] [blame] | 1109 | unsigned int all_zero_nonce:1; |
Andy Green | d91d5e8 | 2013-02-10 16:00:47 +0800 | [diff] [blame] | 1110 | unsigned int this_frame_masked:1; |
Andy Green | 1f4267b | 2013-10-17 08:09:19 +0800 | [diff] [blame] | 1111 | unsigned int inside_frame:1; /* next write will be more of frame */ |
| 1112 | unsigned int clean_buffer:1; /* buffer not rewritten by extension */ |
Andy Green | 40d5abc | 2015-04-17 20:29:58 +0800 | [diff] [blame] | 1113 | unsigned int payload_is_close:1; /* process as PONG, but it is close */ |
Andy Green | ba38a7e | 2015-12-25 13:14:09 +0800 | [diff] [blame] | 1114 | unsigned int ping_pending_flag:1; |
Andy Green | 977734e | 2015-12-28 16:51:08 +0800 | [diff] [blame] | 1115 | unsigned int continuation_possible:1; |
Andy Green | 91d624e | 2015-12-28 17:05:40 +0800 | [diff] [blame] | 1116 | unsigned int owed_a_fin:1; |
Andy Green | 9b81d3c | 2015-12-29 12:28:48 +0800 | [diff] [blame] | 1117 | unsigned int check_utf8:1; |
| 1118 | unsigned int defeat_check_utf8:1; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1119 | unsigned int pmce_compressed_message:1; |
| 1120 | unsigned int stashed_write_pending:1; |
| 1121 | unsigned int rx_draining_ext:1; |
| 1122 | unsigned int tx_draining_ext:1; |
Andy Green | 623a98d | 2013-01-21 11:04:23 +0800 | [diff] [blame] | 1123 | }; |
| 1124 | |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 1125 | #ifdef LWS_WITH_CGI |
| 1126 | |
| 1127 | /* wsi who is master of the cgi points to an lws_cgi */ |
| 1128 | |
| 1129 | struct lws_cgi { |
| 1130 | struct lws_cgi *cgi_list; |
| 1131 | struct lws *stdwsi[3]; /* points to the associated stdin/out/err wsis */ |
| 1132 | struct lws *wsi; /* owner */ |
Andy Green | f5efa74 | 2016-04-13 11:42:53 +0800 | [diff] [blame] | 1133 | unsigned long content_length; |
| 1134 | unsigned long content_length_seen; |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 1135 | int pipe_fds[3][2]; |
| 1136 | int pid; |
| 1137 | |
| 1138 | unsigned int being_closed:1; |
| 1139 | }; |
Andy Green | 5c8906e | 2016-03-13 16:44:19 +0800 | [diff] [blame] | 1140 | #endif |
Andy Green | c3c2d6d | 2016-03-09 07:41:59 +0800 | [diff] [blame] | 1141 | |
Andy Green | 5c8906e | 2016-03-13 16:44:19 +0800 | [diff] [blame] | 1142 | signed char char_to_hex(const char c); |
| 1143 | |
| 1144 | #ifndef LWS_NO_CLIENT |
| 1145 | enum lws_chunk_parser { |
| 1146 | ELCP_HEX, |
| 1147 | ELCP_CR, |
| 1148 | ELCP_CONTENT, |
| 1149 | ELCP_POST_CR, |
| 1150 | ELCP_POST_LF, |
| 1151 | }; |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 1152 | #endif |
| 1153 | |
Andy Green | 1e5a9ad | 2016-03-20 11:59:53 +0800 | [diff] [blame] | 1154 | struct lws_rewrite; |
| 1155 | |
Andy Green | 2f0bc93 | 2016-04-15 12:00:23 +0800 | [diff] [blame] | 1156 | #ifdef LWS_WITH_ACCESS_LOG |
| 1157 | struct lws_access_log { |
| 1158 | char *header_log; |
| 1159 | char *user_agent; |
| 1160 | unsigned long sent; |
| 1161 | int response; |
| 1162 | }; |
| 1163 | #endif |
| 1164 | |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1165 | struct lws { |
Andy Green | 623a98d | 2013-01-21 11:04:23 +0800 | [diff] [blame] | 1166 | |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1167 | /* structs */ |
| 1168 | /* members with mutually exclusive lifetimes are unionized */ |
| 1169 | |
| 1170 | union u { |
| 1171 | struct _lws_http_mode_related http; |
| 1172 | #ifdef LWS_USE_HTTP2 |
| 1173 | struct _lws_http2_related http2; |
| 1174 | #endif |
| 1175 | struct _lws_header_related hdr; |
| 1176 | struct _lws_websocket_related ws; |
| 1177 | } u; |
| 1178 | |
Andy Green | 623a98d | 2013-01-21 11:04:23 +0800 | [diff] [blame] | 1179 | /* lifetime members */ |
| 1180 | |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 1181 | #if defined(LWS_USE_LIBEV) || defined(LWS_USE_LIBUV) |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1182 | struct lws_io_watcher w_read; |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 1183 | #endif |
| 1184 | #if defined(LWS_USE_LIBEV) |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1185 | struct lws_io_watcher w_write; |
Andy Green | 86ed65f | 2016-02-14 09:27:41 +0800 | [diff] [blame] | 1186 | #endif |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1187 | time_t pending_timeout_limit; |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1188 | |
| 1189 | /* pointers */ |
| 1190 | |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1191 | struct lws_context *context; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1192 | struct lws_vhost *vhost; |
Andy Green | 494418a | 2016-03-02 09:17:22 +0800 | [diff] [blame] | 1193 | struct lws *parent; /* points to parent, if any */ |
| 1194 | struct lws *child_list; /* points to first child */ |
| 1195 | struct lws *sibling_list; /* subsequent children at same level */ |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 1196 | #ifdef LWS_WITH_CGI |
| 1197 | struct lws_cgi *cgi; /* wsi being cgi master have one of these */ |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 1198 | #endif |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1199 | const struct lws_protocols *protocol; |
Andy Green | 4714cf0 | 2016-04-16 08:40:35 +0800 | [diff] [blame] | 1200 | struct lws **same_vh_protocol_prev, *same_vh_protocol_next; |
Andy Green | d738f84 | 2016-01-19 04:32:14 +0800 | [diff] [blame] | 1201 | struct lws *timeout_list; |
| 1202 | struct lws **timeout_list_prev; |
Andy Green | 2f0bc93 | 2016-04-15 12:00:23 +0800 | [diff] [blame] | 1203 | #ifdef LWS_WITH_ACCESS_LOG |
| 1204 | struct lws_access_log access_log; |
| 1205 | #endif |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1206 | void *user_space; |
| 1207 | /* rxflow handling */ |
| 1208 | unsigned char *rxflow_buffer; |
| 1209 | /* truncated send handling */ |
| 1210 | unsigned char *trunc_alloc; /* non-NULL means buffering in progress */ |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 1211 | #ifndef LWS_NO_EXTENSIONS |
Andy Green | d2ac22c | 2015-12-11 10:45:35 +0800 | [diff] [blame] | 1212 | const struct lws_extension *active_extensions[LWS_MAX_EXTENSIONS_ACTIVE]; |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1213 | void *act_ext_user[LWS_MAX_EXTENSIONS_ACTIVE]; |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 1214 | #endif |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1215 | #ifdef LWS_OPENSSL_SUPPORT |
| 1216 | SSL *ssl; |
Andy Green | 1a3f177 | 2016-03-28 19:58:02 +0800 | [diff] [blame] | 1217 | #if !defined(LWS_USE_POLARSSL) && !defined(LWS_USE_MBEDTLS) |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1218 | BIO *client_bio; |
Andy Green | 1a3f177 | 2016-03-28 19:58:02 +0800 | [diff] [blame] | 1219 | #endif |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1220 | struct lws *pending_read_list_prev, *pending_read_list_next; |
| 1221 | #endif |
Andy Green | 1a13885 | 2016-03-20 11:55:25 +0800 | [diff] [blame] | 1222 | #ifdef LWS_WITH_HTTP_PROXY |
Andy Green | 1e5a9ad | 2016-03-20 11:59:53 +0800 | [diff] [blame] | 1223 | struct lws_rewrite *rw; |
| 1224 | #endif |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1225 | #ifdef LWS_LATENCY |
| 1226 | unsigned long action_start; |
| 1227 | unsigned long latency_start; |
| 1228 | #endif |
| 1229 | /* pointer / int */ |
Andy Green | 3b19386 | 2015-11-02 13:13:44 +0800 | [diff] [blame] | 1230 | lws_sockfd_type sock; |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1231 | |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1232 | /* ints */ |
Andy Green | dfb2304 | 2013-01-17 12:26:48 +0800 | [diff] [blame] | 1233 | int position_in_fds_table; |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1234 | int rxflow_len; |
| 1235 | int rxflow_pos; |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 1236 | unsigned int trunc_alloc_len; /* size of malloc */ |
| 1237 | unsigned int trunc_offset; /* where we are in terms of spilling */ |
| 1238 | unsigned int trunc_len; /* how much is buffered */ |
Andy Green | 5c8906e | 2016-03-13 16:44:19 +0800 | [diff] [blame] | 1239 | #ifndef LWS_NO_CLIENT |
| 1240 | int chunk_remaining; |
| 1241 | #endif |
Andy Green | 42e8b18 | 2016-04-22 08:53:49 +0800 | [diff] [blame] | 1242 | unsigned int cache_secs; |
Andy Green | 2764eba | 2013-12-09 14:16:17 +0800 | [diff] [blame] | 1243 | |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1244 | unsigned int hdr_parsing_completed:1; |
Andy Green | 22d6f39 | 2016-04-10 09:33:54 +0800 | [diff] [blame] | 1245 | unsigned int http2_substream:1; |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1246 | unsigned int listener:1; |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1247 | unsigned int user_space_externally_allocated:1; |
| 1248 | unsigned int socket_is_permanently_unusable:1; |
| 1249 | unsigned int rxflow_change_to:2; |
Andy Green | 83af28a | 2016-02-28 10:55:31 +0800 | [diff] [blame] | 1250 | unsigned int more_rx_waiting:1; /* has to live here since ah may stick to end */ |
Andy Green | 9806140 | 2016-04-15 14:01:29 +0800 | [diff] [blame] | 1251 | unsigned int conn_stat_done:1; |
Andy Green | 42e8b18 | 2016-04-22 08:53:49 +0800 | [diff] [blame] | 1252 | unsigned int cache_reuse:1; |
| 1253 | unsigned int cache_revalidate:1; |
| 1254 | unsigned int cache_intermediaries:1; |
Andy Green | 2f21628 | 2016-04-23 09:26:11 +0800 | [diff] [blame] | 1255 | unsigned int favoured_pollin:1; |
Andy Green | 7a2fc44 | 2016-05-19 15:28:31 +0800 | [diff] [blame] | 1256 | unsigned int sending_chunked:1; |
Andy Green | 81c221e | 2016-07-01 08:54:39 +0800 | [diff] [blame] | 1257 | unsigned int already_did_cce:1; |
Andy Green | 2f0bc93 | 2016-04-15 12:00:23 +0800 | [diff] [blame] | 1258 | #ifdef LWS_WITH_ACCESS_LOG |
| 1259 | unsigned int access_log_pending:1; |
| 1260 | #endif |
Andy Green | a661ee5 | 2016-02-29 13:18:30 +0800 | [diff] [blame] | 1261 | #ifndef LWS_NO_CLIENT |
| 1262 | unsigned int do_ws:1; /* whether we are doing http or ws flow */ |
Andy Green | 5c8906e | 2016-03-13 16:44:19 +0800 | [diff] [blame] | 1263 | unsigned int chunked:1; /* if the clientside connection is chunked */ |
Andy Green | 1e5a9ad | 2016-03-20 11:59:53 +0800 | [diff] [blame] | 1264 | unsigned int client_rx_avail:1; |
Andy Green | 1a13885 | 2016-03-20 11:55:25 +0800 | [diff] [blame] | 1265 | #endif |
| 1266 | #ifdef LWS_WITH_HTTP_PROXY |
Andy Green | 1e5a9ad | 2016-03-20 11:59:53 +0800 | [diff] [blame] | 1267 | unsigned int perform_rewrite:1; |
Andy Green | a661ee5 | 2016-02-29 13:18:30 +0800 | [diff] [blame] | 1268 | #endif |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1269 | #ifndef LWS_NO_EXTENSIONS |
| 1270 | unsigned int extension_data_pending:1; |
| 1271 | #endif |
| 1272 | #ifdef LWS_OPENSSL_SUPPORT |
Andy Green | 675c349 | 2016-07-07 08:14:26 +0800 | [diff] [blame] | 1273 | unsigned int use_ssl:3; |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1274 | unsigned int upgraded:1; |
| 1275 | #endif |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1276 | #ifdef _WIN32 |
| 1277 | unsigned int sock_send_blocking:1; |
| 1278 | #endif |
Andy Green | 0f9904f | 2016-03-17 15:26:49 +0800 | [diff] [blame] | 1279 | #ifdef LWS_OPENSSL_SUPPORT |
| 1280 | unsigned int redirect_to_https:1; |
| 1281 | #endif |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1282 | |
Andy Green | aa775fd | 2015-12-26 08:56:58 +0800 | [diff] [blame] | 1283 | /* chars */ |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1284 | #ifndef LWS_NO_EXTENSIONS |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1285 | unsigned char count_act_ext; |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1286 | #endif |
| 1287 | unsigned char ietf_spec_revision; |
| 1288 | char mode; /* enum connection_mode */ |
| 1289 | char state; /* enum lws_connection_states */ |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1290 | char state_pre_close; |
Andy Green | de132b9 | 2015-12-25 13:48:20 +0800 | [diff] [blame] | 1291 | char lws_rx_parse_state; /* enum lws_rx_parse_state */ |
| 1292 | char rx_frame_type; /* enum lws_write_protocol */ |
| 1293 | char pending_timeout; /* enum pending_timeout */ |
Andy Green | d738f84 | 2016-01-19 04:32:14 +0800 | [diff] [blame] | 1294 | char pps; /* enum lws_pending_protocol_send */ |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 1295 | char tsi; /* thread service index we belong to */ |
Andy Green | 7a2fc44 | 2016-05-19 15:28:31 +0800 | [diff] [blame] | 1296 | char protocol_interpret_idx; |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 1297 | #ifdef LWS_WITH_CGI |
| 1298 | char cgi_channel; /* which of stdin/out/err */ |
Andy Green | c3c2d6d | 2016-03-09 07:41:59 +0800 | [diff] [blame] | 1299 | char hdr_state; |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 1300 | #endif |
Andy Green | 5c8906e | 2016-03-13 16:44:19 +0800 | [diff] [blame] | 1301 | #ifndef LWS_NO_CLIENT |
| 1302 | char chunk_parser; /* enum lws_chunk_parser */ |
| 1303 | #endif |
Andy Green | 0a4da2c | 2016-05-10 10:16:52 +0800 | [diff] [blame] | 1304 | #if defined(LWS_WITH_CGI) || !defined(LWS_NO_CLIENT) |
| 1305 | char reason_bf; /* internal writeable callback reason bitfield */ |
| 1306 | #endif |
Andy Green | 7c212cc | 2010-11-08 20:20:42 +0000 | [diff] [blame] | 1307 | }; |
| 1308 | |
Andy Green | 3d67f51 | 2014-04-03 07:29:50 +0800 | [diff] [blame] | 1309 | LWS_EXTERN int log_level; |
| 1310 | |
Andy Green | c793944 | 2016-03-12 08:18:58 +0800 | [diff] [blame] | 1311 | LWS_EXTERN int |
Andy Green | 144594d | 2016-04-14 12:11:51 +0800 | [diff] [blame] | 1312 | lws_socket_bind(struct lws_vhost *vhost, int sockfd, int port, |
Andy Green | c793944 | 2016-03-12 08:18:58 +0800 | [diff] [blame] | 1313 | const char *iface); |
| 1314 | |
Joakim Soderberg | f272cb0 | 2013-02-13 09:29:26 +0800 | [diff] [blame] | 1315 | LWS_EXTERN void |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1316 | lws_close_free_wsi(struct lws *wsi, enum lws_close_status); |
Andy Green | 508946c | 2013-02-12 10:19:08 +0800 | [diff] [blame] | 1317 | |
Andy Green | 34f3dd2 | 2014-04-03 07:42:50 +0800 | [diff] [blame] | 1318 | LWS_EXTERN int |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1319 | remove_wsi_socket_from_fds(struct lws *wsi); |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1320 | LWS_EXTERN int |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1321 | lws_rxflow_cache(struct lws *wsi, unsigned char *buf, int n, int len); |
Andy Green | 34f3dd2 | 2014-04-03 07:42:50 +0800 | [diff] [blame] | 1322 | |
Andy Green | d636e35 | 2013-01-29 12:36:17 +0800 | [diff] [blame] | 1323 | #ifndef LWS_LATENCY |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1324 | static inline void |
| 1325 | lws_latency(struct lws_context *context, struct lws *wsi, const char *action, |
| 1326 | int ret, int completion) { |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1327 | do { |
| 1328 | (void)context; (void)wsi; (void)action; (void)ret; |
| 1329 | (void)completion; |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1330 | } while (0); |
| 1331 | } |
| 1332 | static inline void |
| 1333 | lws_latency_pre(struct lws_context *context, struct lws *wsi) { |
| 1334 | do { (void)context; (void)wsi; } while (0); |
| 1335 | } |
Andy Green | d636e35 | 2013-01-29 12:36:17 +0800 | [diff] [blame] | 1336 | #else |
| 1337 | #define lws_latency_pre(_context, _wsi) lws_latency(_context, _wsi, NULL, 0, 0) |
| 1338 | extern void |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1339 | lws_latency(struct lws_context *context, struct lws *wsi, const char *action, |
| 1340 | int ret, int completion); |
Andy Green | d636e35 | 2013-01-29 12:36:17 +0800 | [diff] [blame] | 1341 | #endif |
| 1342 | |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1343 | LWS_EXTERN void |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1344 | lws_set_protocol_write_pending(struct lws *wsi, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1345 | enum lws_pending_protocol_send pend); |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1346 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1347 | lws_client_rx_sm(struct lws *wsi, unsigned char c); |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 1348 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1349 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1350 | lws_parse(struct lws *wsi, unsigned char c); |
Andy Green | b45993c | 2010-12-18 15:13:50 +0000 | [diff] [blame] | 1351 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1352 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1353 | lws_http_action(struct lws *wsi); |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1354 | |
| 1355 | LWS_EXTERN int |
Andy Green | df73616 | 2011-01-18 15:39:02 +0000 | [diff] [blame] | 1356 | lws_b64_selftest(void); |
Andy Green | bfb051f | 2011-02-09 08:49:14 +0000 | [diff] [blame] | 1357 | |
Andy Green | 2c218e7 | 2016-02-15 12:37:04 +0800 | [diff] [blame] | 1358 | LWS_EXTERN int |
| 1359 | lws_service_adjust_timeout(struct lws_context *context, int timeout_ms, int tsi); |
| 1360 | |
| 1361 | LWS_EXTERN int |
| 1362 | lws_service_flag_pending(struct lws_context *context, int tsi); |
| 1363 | |
Andy Green | 2cd3074 | 2015-11-02 13:10:33 +0800 | [diff] [blame] | 1364 | #if defined(_WIN32) || defined(MBED_OPERATORS) |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1365 | LWS_EXTERN struct lws * |
Andy Green | 1fa7685 | 2015-12-14 11:17:16 +0800 | [diff] [blame] | 1366 | wsi_from_fd(const struct lws_context *context, lws_sockfd_type fd); |
Andy Green | 0d33833 | 2011-02-12 11:57:43 +0000 | [diff] [blame] | 1367 | |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1368 | LWS_EXTERN int |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1369 | insert_wsi(struct lws_context *context, struct lws *wsi); |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 1370 | |
| 1371 | LWS_EXTERN int |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1372 | delete_from_fd(struct lws_context *context, lws_sockfd_type fd); |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 1373 | #else |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1374 | #define wsi_from_fd(A,B) A->lws_lookup[B] |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1375 | #define insert_wsi(A,B) assert(A->lws_lookup[B->sock] == 0); A->lws_lookup[B->sock]=B |
Bud Davis | 229bfec | 2015-01-30 10:13:01 +0800 | [diff] [blame] | 1376 | #define delete_from_fd(A,B) A->lws_lookup[B]=0 |
| 1377 | #endif |
| 1378 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1379 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1380 | insert_wsi_socket_into_fds(struct lws_context *context, struct lws *wsi); |
Darin Willits | c19456f | 2011-02-14 17:52:39 +0000 | [diff] [blame] | 1381 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1382 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1383 | lws_issue_raw(struct lws *wsi, unsigned char *buf, size_t len); |
Andy Green | d44bf7f | 2011-03-06 10:29:38 +0000 | [diff] [blame] | 1384 | |
Andy Green | 95a7b5d | 2011-03-06 10:29:39 +0000 | [diff] [blame] | 1385 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1386 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1387 | lws_service_timeout_check(struct lws *wsi, unsigned int sec); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 1388 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1389 | LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1390 | lws_client_connect_2(struct lws *wsi); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 1391 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1392 | LWS_VISIBLE struct lws * LWS_WARN_UNUSED_RESULT |
| 1393 | lws_client_reset(struct lws *wsi, int ssl, const char *address, int port, |
| 1394 | const char *path, const char *host); |
Andy Green | 809d69a | 2016-01-14 11:37:56 +0800 | [diff] [blame] | 1395 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1396 | LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1397 | lws_create_new_server_wsi(struct lws_vhost *vhost); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 1398 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1399 | LWS_EXTERN char * LWS_WARN_UNUSED_RESULT |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1400 | lws_generate_client_handshake(struct lws *wsi, char *pkt); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 1401 | |
Joakim Soderberg | f272cb0 | 2013-02-13 09:29:26 +0800 | [diff] [blame] | 1402 | LWS_EXTERN int |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1403 | lws_handle_POLLOUT_event(struct lws *wsi, struct lws_pollfd *pollfd); |
Andy Green | 91b0589 | 2014-10-17 08:38:44 +0800 | [diff] [blame] | 1404 | |
Andy Green | 2d8d35a | 2016-02-29 14:19:16 +0800 | [diff] [blame] | 1405 | LWS_EXTERN struct lws * |
| 1406 | lws_client_connect_via_info2(struct lws *wsi); |
| 1407 | |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1408 | /* |
| 1409 | * EXTENSIONS |
| 1410 | */ |
| 1411 | |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 1412 | #ifndef LWS_NO_EXTENSIONS |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1413 | LWS_VISIBLE void |
| 1414 | lws_context_init_extensions(struct lws_context_creation_info *info, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1415 | struct lws_context *context); |
Joakim Soderberg | f272cb0 | 2013-02-13 09:29:26 +0800 | [diff] [blame] | 1416 | LWS_EXTERN int |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1417 | lws_any_extension_handled(struct lws *wsi, enum lws_extension_callback_reasons r, |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 1418 | void *v, size_t len); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 1419 | |
Andy Green | 2c24ec0 | 2014-04-02 19:45:42 +0800 | [diff] [blame] | 1420 | LWS_EXTERN int |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1421 | lws_ext_cb_active(struct lws *wsi, int reason, void *buf, int len); |
Andy Green | 2c24ec0 | 2014-04-02 19:45:42 +0800 | [diff] [blame] | 1422 | LWS_EXTERN int |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1423 | lws_ext_cb_all_exts(struct lws_context *context, struct lws *wsi, int reason, |
| 1424 | void *arg, int len); |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1425 | |
Andy Green | 2c24ec0 | 2014-04-02 19:45:42 +0800 | [diff] [blame] | 1426 | #else |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1427 | #define lws_any_extension_handled(_a, _b, _c, _d) (0) |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1428 | #define lws_ext_cb_active(_a, _b, _c, _d) (0) |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 1429 | #define lws_ext_cb_all_exts(_a, _b, _c, _d, _e) (0) |
Andy Green | b49a995 | 2014-04-03 10:11:04 +0800 | [diff] [blame] | 1430 | #define lws_issue_raw_ext_access lws_issue_raw |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1431 | #define lws_context_init_extensions(_a, _b) |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 1432 | #endif |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 1433 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1434 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1435 | lws_client_interpret_server_handshake(struct lws *wsi); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 1436 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1437 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1438 | lws_rx_sm(struct lws *wsi, unsigned char c); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 1439 | |
Alex Hultman | 599cad9 | 2016-03-17 09:34:15 +0800 | [diff] [blame] | 1440 | LWS_EXTERN void |
| 1441 | lws_payload_until_length_exhausted(struct lws *wsi, unsigned char **buf, size_t *len); |
| 1442 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1443 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1444 | lws_issue_raw_ext_access(struct lws *wsi, unsigned char *buf, size_t len); |
Andy Green | 0922650 | 2011-05-28 10:19:19 +0100 | [diff] [blame] | 1445 | |
Andy Green | 44c1161 | 2014-11-08 11:18:47 +0800 | [diff] [blame] | 1446 | LWS_EXTERN void |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1447 | lws_union_transition(struct lws *wsi, enum connection_mode mode); |
Andy Green | 44c1161 | 2014-11-08 11:18:47 +0800 | [diff] [blame] | 1448 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1449 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Denis Osvald | 034e514 | 2015-12-21 18:06:38 +0100 | [diff] [blame] | 1450 | user_callback_handle_rxflow(lws_callback_function, struct lws *wsi, |
Andy Green | 00c6d15 | 2015-12-17 07:54:44 +0800 | [diff] [blame] | 1451 | enum lws_callback_reasons reason, void *user, |
| 1452 | void *in, size_t len); |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1453 | #ifdef LWS_USE_HTTP2 |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1454 | LWS_EXTERN struct lws *lws_http2_get_network_wsi(struct lws *wsi); |
| 1455 | struct lws * lws_http2_get_nth_child(struct lws *wsi, int n); |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1456 | LWS_EXTERN int |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1457 | lws_http2_interpret_settings_payload(struct http2_settings *settings, |
| 1458 | unsigned char *buf, int len); |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1459 | LWS_EXTERN void lws_http2_init(struct http2_settings *settings); |
| 1460 | LWS_EXTERN int |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 1461 | lws_http2_parser(struct lws *wsi, unsigned char c); |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1462 | LWS_EXTERN int lws_http2_do_pps_send(struct lws_context *context, |
| 1463 | struct lws *wsi); |
| 1464 | LWS_EXTERN int lws_http2_frame_write(struct lws *wsi, int type, int flags, |
| 1465 | unsigned int sid, unsigned int len, |
| 1466 | unsigned char *buf); |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1467 | LWS_EXTERN struct lws * |
| 1468 | lws_http2_wsi_from_id(struct lws *wsi, unsigned int sid); |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 1469 | LWS_EXTERN int lws_hpack_interpret(struct lws *wsi, |
Andy Green | 2add634 | 2014-10-12 08:38:16 +0800 | [diff] [blame] | 1470 | unsigned char c); |
Andy Green | 917f43a | 2014-10-12 14:31:47 +0800 | [diff] [blame] | 1471 | LWS_EXTERN int |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 1472 | lws_add_http2_header_by_name(struct lws *wsi, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1473 | const unsigned char *name, |
| 1474 | const unsigned char *value, int length, |
| 1475 | unsigned char **p, unsigned char *end); |
Andy Green | 917f43a | 2014-10-12 14:31:47 +0800 | [diff] [blame] | 1476 | LWS_EXTERN int |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 1477 | lws_add_http2_header_by_token(struct lws *wsi, |
Andy Green | 917f43a | 2014-10-12 14:31:47 +0800 | [diff] [blame] | 1478 | enum lws_token_indexes token, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1479 | const unsigned char *value, int length, |
| 1480 | unsigned char **p, unsigned char *end); |
Andy Green | 917f43a | 2014-10-12 14:31:47 +0800 | [diff] [blame] | 1481 | LWS_EXTERN int |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 1482 | lws_add_http2_header_status(struct lws *wsi, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1483 | unsigned int code, unsigned char **p, |
Andy Green | 917f43a | 2014-10-12 14:31:47 +0800 | [diff] [blame] | 1484 | unsigned char *end); |
Andy Green | 7df53c5 | 2014-10-22 15:37:28 +0800 | [diff] [blame] | 1485 | LWS_EXTERN |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1486 | void lws_http2_configure_if_upgraded(struct lws *wsi); |
Andy Green | 7df53c5 | 2014-10-22 15:37:28 +0800 | [diff] [blame] | 1487 | #else |
| 1488 | #define lws_http2_configure_if_upgraded(x) |
Andy Green | 024eb6c | 2014-10-08 12:00:53 +0800 | [diff] [blame] | 1489 | #endif |
Andy Green | 706961d | 2013-01-17 16:50:35 +0800 | [diff] [blame] | 1490 | |
Joakim Soderberg | f272cb0 | 2013-02-13 09:29:26 +0800 | [diff] [blame] | 1491 | LWS_EXTERN int |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1492 | lws_plat_set_socket_options(struct lws_vhost *vhost, lws_sockfd_type fd); |
Andy Green | a690cd0 | 2013-02-09 12:25:31 +0800 | [diff] [blame] | 1493 | |
Andy Piper | 6ff571f | 2016-06-28 19:01:20 +0800 | [diff] [blame] | 1494 | LWS_EXTERN int |
| 1495 | lws_plat_check_connection_error(struct lws *wsi); |
| 1496 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1497 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | e3d141d | 2016-02-27 11:42:22 +0800 | [diff] [blame] | 1498 | lws_header_table_attach(struct lws *wsi, int autoservice); |
Andy Green | 16ab318 | 2013-02-10 18:02:31 +0800 | [diff] [blame] | 1499 | |
Andrew Canaday | 3771881 | 2014-11-07 11:20:59 +0800 | [diff] [blame] | 1500 | LWS_EXTERN int |
Andy Green | e3d141d | 2016-02-27 11:42:22 +0800 | [diff] [blame] | 1501 | lws_header_table_detach(struct lws *wsi, int autoservice); |
Andrew Canaday | 3771881 | 2014-11-07 11:20:59 +0800 | [diff] [blame] | 1502 | |
Andy Green | 4019aab | 2016-01-30 11:43:10 +0800 | [diff] [blame] | 1503 | LWS_EXTERN void |
Andy Green | e3d141d | 2016-02-27 11:42:22 +0800 | [diff] [blame] | 1504 | lws_header_table_reset(struct lws *wsi, int autoservice); |
Andy Green | 4019aab | 2016-01-30 11:43:10 +0800 | [diff] [blame] | 1505 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1506 | LWS_EXTERN char * LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1507 | lws_hdr_simple_ptr(struct lws *wsi, enum lws_token_indexes h); |
Andy Green | 16ab318 | 2013-02-10 18:02:31 +0800 | [diff] [blame] | 1508 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1509 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 1510 | lws_hdr_simple_create(struct lws *wsi, enum lws_token_indexes h, const char *s); |
Andy Green | b5b2319 | 2013-02-11 17:13:32 +0800 | [diff] [blame] | 1511 | |
Andy Green | 16146cd | 2016-04-23 07:53:46 +0800 | [diff] [blame] | 1512 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1513 | lws_ensure_user_space(struct lws *wsi); |
Andy Green | 2af4d5b | 2013-02-18 16:30:10 +0800 | [diff] [blame] | 1514 | |
Andy Green | 158e804 | 2014-04-02 14:25:10 +0800 | [diff] [blame] | 1515 | LWS_EXTERN int |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1516 | lws_change_pollfd(struct lws *wsi, int _and, int _or); |
Andy Green | 91f19d8 | 2013-12-21 11:18:34 +0800 | [diff] [blame] | 1517 | |
Andy Green | b5b2319 | 2013-02-11 17:13:32 +0800 | [diff] [blame] | 1518 | #ifndef LWS_NO_SERVER |
Andy Green | e38031a | 2014-04-03 08:24:29 +0800 | [diff] [blame] | 1519 | int lws_context_init_server(struct lws_context_creation_info *info, |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1520 | struct lws_vhost *vhost); |
| 1521 | LWS_EXTERN struct lws_vhost * |
| 1522 | lws_select_vhost(struct lws_context *context, int port, const char *servername); |
Andy Green | d7340c1 | 2014-04-10 14:08:10 +0800 | [diff] [blame] | 1523 | LWS_EXTERN int |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1524 | handshake_0405(struct lws_context *context, struct lws *wsi); |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1525 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 6711266 | 2016-01-11 11:34:01 +0800 | [diff] [blame] | 1526 | lws_interpret_incoming_packet(struct lws *wsi, unsigned char **buf, size_t len); |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1527 | LWS_EXTERN void |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1528 | lws_server_get_canonical_hostname(struct lws_context *context, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1529 | struct lws_context_creation_info *info); |
Andy Green | e38031a | 2014-04-03 08:24:29 +0800 | [diff] [blame] | 1530 | #else |
| 1531 | #define lws_context_init_server(_a, _b) (0) |
Andy Green | 3ef579b | 2015-12-04 09:23:56 +0800 | [diff] [blame] | 1532 | #define lws_interpret_incoming_packet(_a, _b, _c) (0) |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1533 | #define lws_server_get_canonical_hostname(_a, _b) |
Andy Green | b5b2319 | 2013-02-11 17:13:32 +0800 | [diff] [blame] | 1534 | #endif |
| 1535 | |
| 1536 | #ifndef LWS_NO_DAEMONIZE |
Joakim Soderberg | f272cb0 | 2013-02-13 09:29:26 +0800 | [diff] [blame] | 1537 | LWS_EXTERN int get_daemonize_pid(); |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1538 | #else |
| 1539 | #define get_daemonize_pid() (0) |
Andy Green | b5b2319 | 2013-02-11 17:13:32 +0800 | [diff] [blame] | 1540 | #endif |
| 1541 | |
Andy Green | 2cd3074 | 2015-11-02 13:10:33 +0800 | [diff] [blame] | 1542 | #if !defined(MBED_OPERATORS) |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1543 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 2dc7dde | 2016-06-03 21:19:40 +0800 | [diff] [blame] | 1544 | interface_to_sa(struct lws_vhost *vh, const char *ifname, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1545 | struct sockaddr_in *addr, size_t addrlen); |
Andy Green | 2cd3074 | 2015-11-02 13:10:33 +0800 | [diff] [blame] | 1546 | #endif |
Andy Green | b25b85f | 2014-04-03 23:34:09 +0800 | [diff] [blame] | 1547 | LWS_EXTERN void lwsl_emit_stderr(int level, const char *line); |
| 1548 | |
Andy Green | 1a308e4 | 2014-04-08 07:26:30 +0100 | [diff] [blame] | 1549 | enum lws_ssl_capable_status { |
| 1550 | LWS_SSL_CAPABLE_ERROR = -1, |
| 1551 | LWS_SSL_CAPABLE_MORE_SERVICE = -2, |
| 1552 | }; |
| 1553 | |
Darin Willits | c19456f | 2011-02-14 17:52:39 +0000 | [diff] [blame] | 1554 | #ifndef LWS_OPENSSL_SUPPORT |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1555 | #define LWS_SSL_ENABLED(context) (0) |
Andy Green | c57037a | 2014-04-03 10:17:00 +0800 | [diff] [blame] | 1556 | #define lws_context_init_server_ssl(_a, _b) (0) |
| 1557 | #define lws_ssl_destroy(_a) |
Andy Green | 2eedea9 | 2014-04-03 14:33:48 +0800 | [diff] [blame] | 1558 | #define lws_context_init_http2_ssl(_a) |
Andy Green | 0213812 | 2014-04-06 06:26:35 +0100 | [diff] [blame] | 1559 | #define lws_ssl_capable_read lws_ssl_capable_read_no_ssl |
| 1560 | #define lws_ssl_capable_write lws_ssl_capable_write_no_ssl |
=?UTF-8?q?Jos=C3=A9=20Luis=20Mill=C3=A1n?= | 4c0ba02 | 2015-08-19 16:23:33 +0200 | [diff] [blame] | 1561 | #define lws_ssl_pending lws_ssl_pending_no_ssl |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1562 | #define lws_server_socket_service_ssl(_b, _c) (0) |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1563 | #define lws_ssl_close(_a) (0) |
| 1564 | #define lws_ssl_context_destroy(_a) |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1565 | #define lws_ssl_SSL_CTX_destroy(_a) |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1566 | #define lws_ssl_remove_wsi_from_buffered_list(_a) |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1567 | #define lws_context_init_ssl_library(_a) |
Andy Green | b5b2319 | 2013-02-11 17:13:32 +0800 | [diff] [blame] | 1568 | #else |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1569 | #define LWS_SSL_ENABLED(context) (context->use_ssl) |
Joakim Soderberg | f272cb0 | 2013-02-13 09:29:26 +0800 | [diff] [blame] | 1570 | LWS_EXTERN int openssl_websocket_private_data_index; |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1571 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1572 | lws_ssl_capable_read(struct lws *wsi, unsigned char *buf, int len); |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1573 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1574 | lws_ssl_capable_write(struct lws *wsi, unsigned char *buf, int len); |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1575 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1576 | lws_ssl_pending(struct lws *wsi); |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1577 | LWS_EXTERN int |
| 1578 | lws_context_init_ssl_library(struct lws_context_creation_info *info); |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1579 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1580 | lws_server_socket_service_ssl(struct lws *new_wsi, lws_sockfd_type accept_fd); |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1581 | LWS_EXTERN int |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1582 | lws_ssl_close(struct lws *wsi); |
Andy Green | cdb9bf9 | 2014-04-12 10:07:02 +0800 | [diff] [blame] | 1583 | LWS_EXTERN void |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1584 | lws_ssl_SSL_CTX_destroy(struct lws_vhost *vhost); |
| 1585 | LWS_EXTERN void |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1586 | lws_ssl_context_destroy(struct lws_context *context); |
Andy Green | 5281560 | 2015-01-29 08:36:18 +0800 | [diff] [blame] | 1587 | LWS_VISIBLE void |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1588 | lws_ssl_remove_wsi_from_buffered_list(struct lws *wsi); |
Andy Green | eefb13a | 2016-03-28 12:43:55 +0800 | [diff] [blame] | 1589 | LWS_EXTERN int |
| 1590 | lws_ssl_client_bio_create(struct lws *wsi); |
| 1591 | LWS_EXTERN int |
| 1592 | lws_ssl_client_connect1(struct lws *wsi); |
| 1593 | LWS_EXTERN int |
| 1594 | lws_ssl_client_connect2(struct lws *wsi); |
Andy Green | f1fd882 | 2016-05-03 07:26:10 +0800 | [diff] [blame] | 1595 | LWS_EXTERN void |
| 1596 | lws_ssl_elaborate_error(void); |
Andy Green | c57037a | 2014-04-03 10:17:00 +0800 | [diff] [blame] | 1597 | #ifndef LWS_NO_SERVER |
| 1598 | LWS_EXTERN int |
| 1599 | lws_context_init_server_ssl(struct lws_context_creation_info *info, |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1600 | struct lws_vhost *vhost); |
Andy Green | c57037a | 2014-04-03 10:17:00 +0800 | [diff] [blame] | 1601 | #else |
| 1602 | #define lws_context_init_server_ssl(_a, _b) (0) |
| 1603 | #endif |
| 1604 | LWS_EXTERN void |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1605 | lws_ssl_destroy(struct lws_vhost *vhost); |
Andy Green | 2eedea9 | 2014-04-03 14:33:48 +0800 | [diff] [blame] | 1606 | |
| 1607 | /* HTTP2-related */ |
| 1608 | |
| 1609 | #ifdef LWS_USE_HTTP2 |
| 1610 | LWS_EXTERN void |
Andy Green | 22d6f39 | 2016-04-10 09:33:54 +0800 | [diff] [blame] | 1611 | lws_context_init_http2_ssl(struct lws_vhost *vhost); |
Andy Green | 2eedea9 | 2014-04-03 14:33:48 +0800 | [diff] [blame] | 1612 | #else |
| 1613 | #define lws_context_init_http2_ssl(_a) |
| 1614 | #endif |
Darin Willits | c19456f | 2011-02-14 17:52:39 +0000 | [diff] [blame] | 1615 | #endif |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1616 | |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1617 | #if LWS_MAX_SMP > 1 |
| 1618 | static LWS_INLINE void |
| 1619 | lws_pt_mutex_init(struct lws_context_per_thread *pt) |
| 1620 | { |
| 1621 | pthread_mutex_init(&pt->lock, NULL); |
| 1622 | } |
Sterling Jensen | ecaed5e | 2016-05-12 20:22:35 -0500 | [diff] [blame] | 1623 | |
| 1624 | static LWS_INLINE void |
| 1625 | lws_pt_mutex_destroy(struct lws_context_per_thread *pt) |
| 1626 | { |
| 1627 | pthread_mutex_destroy(&pt->lock); |
| 1628 | } |
| 1629 | |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1630 | static LWS_INLINE void |
| 1631 | lws_pt_lock(struct lws_context_per_thread *pt) |
| 1632 | { |
| 1633 | pthread_mutex_lock(&pt->lock); |
| 1634 | } |
| 1635 | |
| 1636 | static LWS_INLINE void |
| 1637 | lws_pt_unlock(struct lws_context_per_thread *pt) |
| 1638 | { |
| 1639 | pthread_mutex_unlock(&pt->lock); |
| 1640 | } |
| 1641 | #else |
| 1642 | #define lws_pt_mutex_init(_a) (void)(_a) |
Sterling Jensen | ecaed5e | 2016-05-12 20:22:35 -0500 | [diff] [blame] | 1643 | #define lws_pt_mutex_destroy(_a) (void)(_a) |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1644 | #define lws_pt_lock(_a) (void)(_a) |
| 1645 | #define lws_pt_unlock(_a) (void)(_a) |
| 1646 | #endif |
| 1647 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1648 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 6b5de70 | 2015-12-15 21:15:58 +0800 | [diff] [blame] | 1649 | lws_ssl_capable_read_no_ssl(struct lws *wsi, unsigned char *buf, int len); |
Patrick Gansterer | a6b019a | 2014-04-15 18:40:31 +0200 | [diff] [blame] | 1650 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1651 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1652 | lws_ssl_capable_write_no_ssl(struct lws *wsi, unsigned char *buf, int len); |
Patrick Gansterer | a6b019a | 2014-04-15 18:40:31 +0200 | [diff] [blame] | 1653 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1654 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1655 | lws_ssl_pending_no_ssl(struct lws *wsi); |
=?UTF-8?q?Jos=C3=A9=20Luis=20Mill=C3=A1n?= | 4c0ba02 | 2015-08-19 16:23:33 +0200 | [diff] [blame] | 1656 | |
Andy Green | 1e5a9ad | 2016-03-20 11:59:53 +0800 | [diff] [blame] | 1657 | #ifdef LWS_WITH_HTTP_PROXY |
| 1658 | struct lws_rewrite { |
| 1659 | hubbub_parser *parser; |
| 1660 | hubbub_parser_optparams params; |
| 1661 | const char *from, *to; |
| 1662 | int from_len, to_len; |
| 1663 | unsigned char *p, *end; |
| 1664 | struct lws *wsi; |
| 1665 | }; |
| 1666 | static LWS_INLINE int hstrcmp(hubbub_string *s, const char *p, int len) |
| 1667 | { |
| 1668 | if (s->len != len) |
| 1669 | return 1; |
| 1670 | |
| 1671 | return strncmp((const char *)s->ptr, p, len); |
| 1672 | } |
| 1673 | typedef hubbub_error (*hubbub_callback_t)(const hubbub_token *token, void *pw); |
Andy Green | 1e5a9ad | 2016-03-20 11:59:53 +0800 | [diff] [blame] | 1674 | LWS_EXTERN struct lws_rewrite * |
| 1675 | lws_rewrite_create(struct lws *wsi, hubbub_callback_t cb, const char *from, const char *to); |
| 1676 | LWS_EXTERN void |
| 1677 | lws_rewrite_destroy(struct lws_rewrite *r); |
| 1678 | LWS_EXTERN int |
| 1679 | lws_rewrite_parse(struct lws_rewrite *r, const unsigned char *in, int in_len); |
| 1680 | #endif |
| 1681 | |
| 1682 | #ifndef LWS_NO_CLIENT |
Andy Green | 1a13885 | 2016-03-20 11:55:25 +0800 | [diff] [blame] | 1683 | LWS_EXTERN int lws_client_socket_service(struct lws_context *context, |
| 1684 | struct lws *wsi, |
| 1685 | struct lws_pollfd *pollfd); |
| 1686 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
| 1687 | lws_http_transaction_completed_client(struct lws *wsi); |
Andy Green | c57037a | 2014-04-03 10:17:00 +0800 | [diff] [blame] | 1688 | #ifdef LWS_OPENSSL_SUPPORT |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1689 | LWS_EXTERN int |
| 1690 | lws_context_init_client_ssl(struct lws_context_creation_info *info, |
Andy Green | d526c50 | 2016-03-28 10:10:43 +0800 | [diff] [blame] | 1691 | struct lws_vhost *vhost); |
Andy Green | e38031a | 2014-04-03 08:24:29 +0800 | [diff] [blame] | 1692 | #else |
Andy Green | c57037a | 2014-04-03 10:17:00 +0800 | [diff] [blame] | 1693 | #define lws_context_init_client_ssl(_a, _b) (0) |
| 1694 | #endif |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1695 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1696 | lws_handshake_client(struct lws *wsi, unsigned char **buf, size_t len); |
| 1697 | LWS_EXTERN void |
| 1698 | lws_decode_ssl_error(void); |
Andy Green | c57037a | 2014-04-03 10:17:00 +0800 | [diff] [blame] | 1699 | #else |
| 1700 | #define lws_context_init_client_ssl(_a, _b) (0) |
Andy Green | aad2eac | 2014-04-03 09:03:37 +0800 | [diff] [blame] | 1701 | #define lws_handshake_client(_a, _b, _c) (0) |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1702 | #endif |
Andy Green | 44e0b08 | 2015-12-28 14:24:49 +0800 | [diff] [blame] | 1703 | |
| 1704 | LWS_EXTERN int |
| 1705 | _lws_rx_flow_control(struct lws *wsi); |
| 1706 | |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1707 | LWS_EXTERN int |
| 1708 | _lws_change_pollfd(struct lws *wsi, int _and, int _or, struct lws_pollargs *pa); |
| 1709 | |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1710 | #ifndef LWS_NO_SERVER |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1711 | LWS_EXTERN int |
| 1712 | lws_server_socket_service(struct lws_context *context, struct lws *wsi, |
| 1713 | struct lws_pollfd *pollfd); |
| 1714 | LWS_EXTERN int |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 1715 | lws_handshake_server(struct lws *wsi, unsigned char **buf, size_t len); |
Andy Green | b3d21f1 | 2015-12-25 09:12:08 +0800 | [diff] [blame] | 1716 | LWS_EXTERN int |
Andy Green | 8c1f602 | 2016-01-26 20:56:56 +0800 | [diff] [blame] | 1717 | _lws_server_listen_accept_flow_control(struct lws *twsi, int on); |
Andy Green | d99476b | 2014-04-03 08:40:05 +0800 | [diff] [blame] | 1718 | #else |
Andy Green | b49a995 | 2014-04-03 10:11:04 +0800 | [diff] [blame] | 1719 | #define lws_server_socket_service(_a, _b, _c) (0) |
Andy Green | 11c05bf | 2015-12-16 18:19:08 +0800 | [diff] [blame] | 1720 | #define lws_handshake_server(_a, _b, _c) (0) |
Andy Green | b3d21f1 | 2015-12-25 09:12:08 +0800 | [diff] [blame] | 1721 | #define _lws_server_listen_accept_flow_control(a, b) (0) |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1722 | #endif |
Andy Green | 40110e8 | 2015-12-14 08:52:03 +0800 | [diff] [blame] | 1723 | |
Andy Green | 2f0bc93 | 2016-04-15 12:00:23 +0800 | [diff] [blame] | 1724 | #ifdef LWS_WITH_ACCESS_LOG |
| 1725 | LWS_EXTERN int |
| 1726 | lws_access_log(struct lws *wsi); |
| 1727 | #else |
| 1728 | #define lws_access_log(_a) |
| 1729 | #endif |
| 1730 | |
Andy Green | 6a8099b | 2016-02-21 21:25:48 +0800 | [diff] [blame] | 1731 | LWS_EXTERN int |
| 1732 | lws_cgi_kill_terminated(struct lws_context_per_thread *pt); |
| 1733 | |
Andy Green | 0207705 | 2016-04-06 16:15:40 +0800 | [diff] [blame] | 1734 | int |
| 1735 | lws_protocol_init(struct lws_context *context); |
| 1736 | |
Andy Green | 7f92ee8 | 2016-06-18 09:00:04 +0800 | [diff] [blame] | 1737 | int |
| 1738 | lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p); |
| 1739 | |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1740 | /* |
Alejandro Mery | cdc9717 | 2014-12-04 23:15:27 +0100 | [diff] [blame] | 1741 | * custom allocator |
| 1742 | */ |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1743 | LWS_EXTERN void * |
Alejandro Mery | cdc9717 | 2014-12-04 23:15:27 +0100 | [diff] [blame] | 1744 | lws_realloc(void *ptr, size_t size); |
| 1745 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1746 | LWS_EXTERN void * LWS_WARN_UNUSED_RESULT |
Alejandro Mery | cdc9717 | 2014-12-04 23:15:27 +0100 | [diff] [blame] | 1747 | lws_zalloc(size_t size); |
| 1748 | |
| 1749 | #define lws_malloc(S) lws_realloc(NULL, S) |
| 1750 | #define lws_free(P) lws_realloc(P, 0) |
Andy Green | 54806b1 | 2015-12-17 17:03:59 +0800 | [diff] [blame] | 1751 | #define lws_free_set_NULL(P) do { lws_realloc(P, 0); (P) = NULL; } while(0) |
Alejandro Mery | cdc9717 | 2014-12-04 23:15:27 +0100 | [diff] [blame] | 1752 | |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1753 | /* lws_plat_ */ |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1754 | LWS_EXTERN void |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1755 | lws_plat_delete_socket_from_fds(struct lws_context *context, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1756 | struct lws *wsi, int m); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1757 | LWS_EXTERN void |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1758 | lws_plat_insert_socket_into_fds(struct lws_context *context, |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1759 | struct lws *wsi); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1760 | LWS_EXTERN void |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1761 | lws_plat_service_periodic(struct lws_context *context); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1762 | |
| 1763 | LWS_EXTERN int |
Andy Green | dc8a3a8 | 2015-12-06 09:15:27 +0800 | [diff] [blame] | 1764 | lws_plat_change_pollfd(struct lws_context *context, struct lws *wsi, |
| 1765 | struct lws_pollfd *pfd); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1766 | LWS_EXTERN int |
| 1767 | lws_plat_context_early_init(void); |
| 1768 | LWS_EXTERN void |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1769 | lws_plat_context_early_destroy(struct lws_context *context); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1770 | LWS_EXTERN void |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1771 | lws_plat_context_late_destroy(struct lws_context *context); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1772 | LWS_EXTERN int |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1773 | lws_poll_listen_fd(struct lws_pollfd *fd); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1774 | LWS_EXTERN int |
Andy Green | 4b85c1d | 2015-12-04 11:08:32 +0800 | [diff] [blame] | 1775 | lws_plat_service(struct lws_context *context, int timeout_ms); |
Andy Green | d3a5505 | 2016-01-19 03:34:24 +0800 | [diff] [blame] | 1776 | LWS_EXTERN LWS_VISIBLE int |
| 1777 | lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1778 | LWS_EXTERN int |
Andy Green | 4386e36 | 2015-12-10 07:14:16 +0800 | [diff] [blame] | 1779 | lws_plat_init(struct lws_context *context, |
| 1780 | struct lws_context_creation_info *info); |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1781 | LWS_EXTERN void |
| 1782 | lws_plat_drop_app_privileges(struct lws_context_creation_info *info); |
| 1783 | LWS_EXTERN unsigned long long |
| 1784 | time_in_microseconds(void); |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1785 | LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT |
Andy Green | a654fc0 | 2014-04-03 07:16:40 +0800 | [diff] [blame] | 1786 | lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt); |
Andy Green | 8c0d3c0 | 2015-11-02 20:34:12 +0800 | [diff] [blame] | 1787 | |
Andy Green | e99a83c | 2016-01-20 16:56:06 +0800 | [diff] [blame] | 1788 | LWS_EXTERN int LWS_WARN_UNUSED_RESULT |
Andy Green | 86c1ef1 | 2015-12-30 11:43:36 +0800 | [diff] [blame] | 1789 | lws_check_utf8(unsigned char *state, unsigned char *buf, size_t len); |
| 1790 | |
Andy Green | 8c0d3c0 | 2015-11-02 20:34:12 +0800 | [diff] [blame] | 1791 | #ifdef __cplusplus |
| 1792 | }; |
| 1793 | #endif |