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mongoose-os
mongoose/mongoose.h
Deomid "rojer" Ryabkov e3a140c9a7 Add ability to enumerate endpoints
2021-06-12 01:56:50 +01:00

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/*
* Copyright (c) 2004-2013 Sergey Lyubka
* Copyright (c) 2013-2020 Cesanta Software Limited
* All rights reserved
*
* This software is dual-licensed: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. For the terms of this
* license, see <http://www.gnu.org/licenses/>.
*
* You are free to use this software under the terms of the GNU General
* Public License, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* Alternatively, you can license this software under a commercial
* license, as set out in <https://www.cesanta.com/license>.
*/
#ifdef MG_MODULE_LINES
#line 1 "src/mg_common.h"
#endif
#ifndef CS_MONGOOSE_SRC_COMMON_H_
#define CS_MONGOOSE_SRC_COMMON_H_
#define MG_VERSION "6.18"
/* Local tweaks, applied before any of Mongoose's own headers. */
#ifdef MG_LOCALS
#include <mg_locals.h>
#endif
#endif /* CS_MONGOOSE_SRC_COMMON_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platform.h"
#endif
#ifndef CS_COMMON_PLATFORM_H_
#define CS_COMMON_PLATFORM_H_
/*
* For the "custom" platform, includes and dependencies can be
* provided through mg_locals.h.
*/
#define CS_P_CUSTOM 0
#define CS_P_UNIX 1
#define CS_P_WINDOWS 2
#define CS_P_ESP32 15
#define CS_P_ESP8266 3
#define CS_P_CC3100 6
#define CS_P_CC3200 4
#define CS_P_CC3220 17
#define CS_P_MSP432 5
#define CS_P_TM4C129 14
#define CS_P_MBED 7
#define CS_P_WINCE 8
#define CS_P_NXP_LPC 13
#define CS_P_NXP_KINETIS 9
#define CS_P_NRF51 12
#define CS_P_NRF52 10
#define CS_P_PIC32 11
#define CS_P_RS14100 18
#define CS_P_STM32 16
/* Next id: 19 */
/* If not specified explicitly, we guess platform by defines. */
#ifndef CS_PLATFORM
#if defined(TARGET_IS_MSP432P4XX) || defined(__MSP432P401R__)
#define CS_PLATFORM CS_P_MSP432
#elif defined(cc3200) || defined(TARGET_IS_CC3200)
#define CS_PLATFORM CS_P_CC3200
#elif defined(cc3220) || defined(TARGET_IS_CC3220)
#define CS_PLATFORM CS_P_CC3220
#elif defined(__unix__) || defined(__APPLE__)
#define CS_PLATFORM CS_P_UNIX
#elif defined(WINCE)
#define CS_PLATFORM CS_P_WINCE
#elif defined(_WIN32)
#define CS_PLATFORM CS_P_WINDOWS
#elif defined(__MBED__)
#define CS_PLATFORM CS_P_MBED
#elif defined(__USE_LPCOPEN)
#define CS_PLATFORM CS_P_NXP_LPC
#elif defined(FRDM_K64F) || defined(FREEDOM)
#define CS_PLATFORM CS_P_NXP_KINETIS
#elif defined(PIC32)
#define CS_PLATFORM CS_P_PIC32
#elif defined(ESP_PLATFORM)
#define CS_PLATFORM CS_P_ESP32
#elif defined(ICACHE_FLASH)
#define CS_PLATFORM CS_P_ESP8266
#elif defined(TARGET_IS_TM4C129_RA0) || defined(TARGET_IS_TM4C129_RA1) || \
defined(TARGET_IS_TM4C129_RA2)
#define CS_PLATFORM CS_P_TM4C129
#elif defined(RS14100)
#define CS_PLATFORM CS_P_RS14100
#elif defined(STM32)
#define CS_PLATFORM CS_P_STM32
#endif
#ifndef CS_PLATFORM
#error "CS_PLATFORM is not specified and we couldn't guess it."
#endif
#endif /* !defined(CS_PLATFORM) */
#define MG_NET_IF_SOCKET 1
#define MG_NET_IF_SIMPLELINK 2
#define MG_NET_IF_LWIP_LOW_LEVEL 3
#define MG_NET_IF_PIC32 4
#define MG_NET_IF_NULL 5
#define MG_SSL_IF_OPENSSL 1
#define MG_SSL_IF_MBEDTLS 2
#define MG_SSL_IF_SIMPLELINK 3
/* Amalgamated: #include "common/platforms/platform_unix.h" */
/* Amalgamated: #include "common/platforms/platform_windows.h" */
/* Amalgamated: #include "common/platforms/platform_esp32.h" */
/* Amalgamated: #include "common/platforms/platform_esp8266.h" */
/* Amalgamated: #include "common/platforms/platform_cc3100.h" */
/* Amalgamated: #include "common/platforms/platform_cc3200.h" */
/* Amalgamated: #include "common/platforms/platform_cc3220.h" */
/* Amalgamated: #include "common/platforms/platform_mbed.h" */
/* Amalgamated: #include "common/platforms/platform_nrf51.h" */
/* Amalgamated: #include "common/platforms/platform_nrf52.h" */
/* Amalgamated: #include "common/platforms/platform_wince.h" */
/* Amalgamated: #include "common/platforms/platform_nxp_lpc.h" */
/* Amalgamated: #include "common/platforms/platform_nxp_kinetis.h" */
/* Amalgamated: #include "common/platforms/platform_pic32.h" */
/* Amalgamated: #include "common/platforms/platform_rs14100.h" */
/* Amalgamated: #include "common/platforms/platform_stm32.h" */
#if CS_PLATFORM == CS_P_CUSTOM
#include <platform_custom.h>
#endif
/* Common stuff */
#if !defined(PRINTF_LIKE)
#if defined(__GNUC__) || defined(__clang__) || defined(__TI_COMPILER_VERSION__)
#define PRINTF_LIKE(f, a) __attribute__((format(printf, f, a)))
#else
#define PRINTF_LIKE(f, a)
#endif
#endif
#if !defined(WEAK)
#if (defined(__GNUC__) || defined(__clang__) || \
defined(__TI_COMPILER_VERSION__)) && \
!defined(_WIN32)
#define WEAK __attribute__((weak))
#else
#define WEAK
#endif
#endif
#ifdef __GNUC__
#define NORETURN __attribute__((noreturn))
#define NOINLINE __attribute__((noinline))
#define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#define NOINSTR __attribute__((no_instrument_function))
#define DO_NOT_WARN_UNUSED __attribute__((unused))
#else
#define NORETURN
#define NOINLINE
#define WARN_UNUSED_RESULT
#define NOINSTR
#define DO_NOT_WARN_UNUSED
#endif /* __GNUC__ */
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
#endif
#endif /* CS_COMMON_PLATFORM_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_windows.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_WINDOWS_H_
#define CS_COMMON_PLATFORMS_PLATFORM_WINDOWS_H_
#if CS_PLATFORM == CS_P_WINDOWS
/*
* MSVC++ 14.0 _MSC_VER == 1900 (Visual Studio 2015)
* MSVC++ 12.0 _MSC_VER == 1800 (Visual Studio 2013)
* MSVC++ 11.0 _MSC_VER == 1700 (Visual Studio 2012)
* MSVC++ 10.0 _MSC_VER == 1600 (Visual Studio 2010)
* MSVC++ 9.0 _MSC_VER == 1500 (Visual Studio 2008)
* MSVC++ 8.0 _MSC_VER == 1400 (Visual Studio 2005)
* MSVC++ 7.1 _MSC_VER == 1310 (Visual Studio 2003)
* MSVC++ 7.0 _MSC_VER == 1300
* MSVC++ 6.0 _MSC_VER == 1200
* MSVC++ 5.0 _MSC_VER == 1100
*/
#ifdef _MSC_VER
#pragma warning(disable : 4127) /* FD_SET() emits warning, disable it */
#pragma warning(disable : 4204) /* missing c99 support */
#endif
#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
#define _WINSOCK_DEPRECATED_NO_WARNINGS 1
#endif
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <assert.h>
#include <direct.h>
#include <errno.h>
#include <fcntl.h>
#include <io.h>
#include <limits.h>
#include <signal.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <time.h>
#include <ctype.h>
#ifdef _MSC_VER
#pragma comment(lib, "ws2_32.lib") /* Linking with winsock library */
#endif
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windows.h>
#include <process.h>
#if defined(_MSC_VER) && (_MSC_VER < 1700)
typedef int bool;
#else
#include <stdbool.h>
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1800
#define strdup _strdup
#endif
#ifndef EINPROGRESS
#define EINPROGRESS WSAEINPROGRESS
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK WSAEWOULDBLOCK
#endif
#ifndef __func__
#define STRX(x) #x
#define STR(x) STRX(x)
#define __func__ __FILE__ ":" STR(__LINE__)
#endif
#define snprintf _snprintf
#define vsnprintf _vsnprintf
#define to64(x) _atoi64(x)
#if !defined(__MINGW32__) && !defined(__MINGW64__)
#define popen(x, y) _popen((x), (y))
#define pclose(x) _pclose(x)
#define fileno _fileno
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1400
#define fseeko(x, y, z) _fseeki64((x), (y), (z))
#else
#define fseeko(x, y, z) fseek((x), (y), (z))
#endif
#if defined(_MSC_VER) && _MSC_VER <= 1200
typedef unsigned long uintptr_t;
typedef long intptr_t;
#endif
typedef int socklen_t;
#if _MSC_VER >= 1700
#include <stdint.h>
#else
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef int int32_t;
typedef unsigned int uint32_t;
typedef short int16_t;
typedef unsigned short uint16_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#endif
typedef SOCKET sock_t;
typedef uint32_t in_addr_t;
#ifndef UINT16_MAX
#define UINT16_MAX 65535
#endif
#ifndef UINT32_MAX
#define UINT32_MAX 4294967295
#endif
#ifndef pid_t
#define pid_t HANDLE
#endif
#define INT64_FMT "I64d"
#define INT64_X_FMT "I64x"
#define SIZE_T_FMT "Iu"
typedef struct _stati64 cs_stat_t;
#ifndef S_ISDIR
#define S_ISDIR(x) (((x) &_S_IFMT) == _S_IFDIR)
#endif
#ifndef S_ISREG
#define S_ISREG(x) (((x) &_S_IFMT) == _S_IFREG)
#endif
#define DIRSEP '\\'
#define CS_DEFINE_DIRENT
#ifndef va_copy
#ifdef __va_copy
#define va_copy __va_copy
#else
#define va_copy(x, y) (x) = (y)
#endif
#endif
#ifndef MG_MAX_HTTP_REQUEST_SIZE
#define MG_MAX_HTTP_REQUEST_SIZE 8192
#endif
#ifndef MG_MAX_HTTP_SEND_MBUF
#define MG_MAX_HTTP_SEND_MBUF 4096
#endif
#ifndef MG_MAX_HTTP_HEADERS
#define MG_MAX_HTTP_HEADERS 40
#endif
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#ifndef MG_ENABLE_BROADCAST
#define MG_ENABLE_BROADCAST 1
#endif
#ifndef MG_ENABLE_DIRECTORY_LISTING
#define MG_ENABLE_DIRECTORY_LISTING 1
#endif
#ifndef MG_ENABLE_FILESYSTEM
#define MG_ENABLE_FILESYSTEM 1
#endif
#ifndef MG_ENABLE_HTTP_CGI
#define MG_ENABLE_HTTP_CGI MG_ENABLE_FILESYSTEM
#endif
#ifndef MG_NET_IF
#define MG_NET_IF MG_NET_IF_SOCKET
#endif
unsigned int sleep(unsigned int seconds);
/* https://stackoverflow.com/questions/16647819/timegm-cross-platform */
#define timegm _mkgmtime
#define gmtime_r(a, b) \
do { \
*(b) = *gmtime(a); \
} while (0)
#endif /* CS_PLATFORM == CS_P_WINDOWS */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_WINDOWS_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_unix.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_UNIX_H_
#define CS_COMMON_PLATFORMS_PLATFORM_UNIX_H_
#if CS_PLATFORM == CS_P_UNIX
#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE 600
#endif
/* <inttypes.h> wants this for C++ */
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
/* C++ wants that for INT64_MAX */
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
/* Enable fseeko() and ftello() functions */
#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
#endif
/* Enable 64-bit file offsets */
#ifndef _FILE_OFFSET_BITS
#define _FILE_OFFSET_BITS 64
#endif
#include <arpa/inet.h>
#include <assert.h>
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdint.h>
#include <limits.h>
#include <math.h>
#include <netdb.h>
#include <netinet/in.h>
#include <pthread.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#ifdef __APPLE__
#include <machine/endian.h>
#ifndef BYTE_ORDER
#define LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN
#define BIG_ENDIAN __DARWIN_BIG_ENDIAN
#define PDP_ENDIAN __DARWIN_PDP_ENDIAN
#define BYTE_ORDER __DARWIN_BYTE_ORDER
#endif
#endif
/*
* osx correctly avoids defining strtoll when compiling in strict ansi mode.
* c++ 11 standard defines strtoll as well.
* We require strtoll, and if your embedded pre-c99 compiler lacks one, please
* implement a shim.
*/
#if !(defined(__cplusplus) && __cplusplus >= 201103L) && \
!(defined(__DARWIN_C_LEVEL) && __DARWIN_C_LEVEL >= 200809L)
long long strtoll(const char *, char **, int);
#endif
typedef int sock_t;
#define INVALID_SOCKET (-1)
#define SIZE_T_FMT "zu"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#ifndef __cdecl
#define __cdecl
#endif
#ifndef va_copy
#ifdef __va_copy
#define va_copy __va_copy
#else
#define va_copy(x, y) (x) = (y)
#endif
#endif
#define closesocket(x) close(x)
#ifndef MG_MAX_HTTP_REQUEST_SIZE
#define MG_MAX_HTTP_REQUEST_SIZE 8192
#endif
#ifndef MG_MAX_HTTP_SEND_MBUF
#define MG_MAX_HTTP_SEND_MBUF 4096
#endif
#ifndef MG_MAX_HTTP_HEADERS
#define MG_MAX_HTTP_HEADERS 40
#endif
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#ifndef MG_ENABLE_BROADCAST
#define MG_ENABLE_BROADCAST 1
#endif
#ifndef MG_ENABLE_DIRECTORY_LISTING
#define MG_ENABLE_DIRECTORY_LISTING 1
#endif
#ifndef MG_ENABLE_FILESYSTEM
#define MG_ENABLE_FILESYSTEM 1
#endif
#ifndef MG_ENABLE_HTTP_CGI
#define MG_ENABLE_HTTP_CGI MG_ENABLE_FILESYSTEM
#endif
#ifndef MG_NET_IF
#define MG_NET_IF MG_NET_IF_SOCKET
#endif
#ifndef MG_HOSTS_FILE_NAME
#define MG_HOSTS_FILE_NAME "/etc/hosts"
#endif
#ifndef MG_RESOLV_CONF_FILE_NAME
#define MG_RESOLV_CONF_FILE_NAME "/etc/resolv.conf"
#endif
#endif /* CS_PLATFORM == CS_P_UNIX */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_UNIX_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_esp32.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_ESP32_H_
#define CS_COMMON_PLATFORMS_PLATFORM_ESP32_H_
#if CS_PLATFORM == CS_P_ESP32
#include <assert.h>
#include <ctype.h>
#include <dirent.h>
#include <fcntl.h>
#include <inttypes.h>
#include <machine/endian.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#define __cdecl
#define _FILE_OFFSET_BITS 32
#define MG_LWIP 1
#ifndef MG_NET_IF
#define MG_NET_IF MG_NET_IF_SOCKET
#endif
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#endif /* CS_PLATFORM == CS_P_ESP32 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_ESP32_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_esp8266.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_ESP8266_H_
#define CS_COMMON_PLATFORMS_PLATFORM_ESP8266_H_
#if CS_PLATFORM == CS_P_ESP8266
#include <assert.h>
#include <ctype.h>
#include <fcntl.h>
#include <inttypes.h>
#include <machine/endian.h>
#include <stdbool.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#if !defined(MGOS_VFS_DEFINE_DIRENT)
#define CS_DEFINE_DIRENT
#endif
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#define __cdecl
#define _FILE_OFFSET_BITS 32
#define MG_LWIP 1
/* struct timeval is defined in sys/time.h. */
#define LWIP_TIMEVAL_PRIVATE 0
#ifndef MG_NET_IF
#include <lwip/opt.h>
#if LWIP_SOCKET /* RTOS SDK has LWIP sockets */
#define MG_NET_IF MG_NET_IF_SOCKET
#else
#define MG_NET_IF MG_NET_IF_LWIP_LOW_LEVEL
#endif
#endif
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#define inet_ntop(af, src, dst, size) \
(((af) == AF_INET) ? ipaddr_ntoa_r((const ip_addr_t *) (src), (dst), (size)) \
: NULL)
#define inet_pton(af, src, dst) \
(((af) == AF_INET) ? ipaddr_aton((src), (ip_addr_t *) (dst)) : 0)
#endif /* CS_PLATFORM == CS_P_ESP8266 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_ESP8266_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_cc3100.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_CC3100_H_
#define CS_COMMON_PLATFORMS_PLATFORM_CC3100_H_
#if CS_PLATFORM == CS_P_CC3100
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#define MG_NET_IF MG_NET_IF_SIMPLELINK
#define MG_SSL_IF MG_SSL_IF_SIMPLELINK
/*
* CC3100 SDK and STM32 SDK include headers w/out path, just like
* #include "simplelink.h". As result, we have to add all required directories
* into Makefile IPATH and do the same thing (include w/out path)
*/
#include <simplelink.h>
#include <netapp.h>
#undef timeval
typedef int sock_t;
#define INVALID_SOCKET (-1)
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#define SIZE_T_FMT "u"
#define SOMAXCONN 8
const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
char *inet_ntoa(struct in_addr in);
int inet_pton(int af, const char *src, void *dst);
#endif /* CS_PLATFORM == CS_P_CC3100 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_CC3100_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_cc3200.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_
#define CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_
#if CS_PLATFORM == CS_P_CC3200
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#ifndef __TI_COMPILER_VERSION__
#include <fcntl.h>
#include <sys/time.h>
#endif
#define MG_NET_IF MG_NET_IF_SIMPLELINK
#define MG_SSL_IF MG_SSL_IF_SIMPLELINK
/* Only SPIFFS supports directories, SLFS does not. */
#if defined(CC3200_FS_SPIFFS) && !defined(MG_ENABLE_DIRECTORY_LISTING)
#define MG_ENABLE_DIRECTORY_LISTING 1
#endif
/* Amalgamated: #include "common/platforms/simplelink/cs_simplelink.h" */
typedef int sock_t;
#define INVALID_SOCKET (-1)
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#define __cdecl
#define fileno(x) -1
/* Some functions we implement for Mongoose. */
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __TI_COMPILER_VERSION__
struct SlTimeval_t;
#define timeval SlTimeval_t
int gettimeofday(struct timeval *t, void *tz);
int settimeofday(const struct timeval *tv, const void *tz);
int asprintf(char **strp, const char *fmt, ...);
#endif
/* TI's libc does not have stat & friends, add them. */
#ifdef __TI_COMPILER_VERSION__
#include <file.h>
typedef unsigned int mode_t;
typedef size_t _off_t;
typedef long ssize_t;
struct stat {
int st_ino;
mode_t st_mode;
int st_nlink;
time_t st_mtime;
off_t st_size;
};
int _stat(const char *pathname, struct stat *st);
int stat(const char *pathname, struct stat *st);
#define __S_IFMT 0170000
#define __S_IFDIR 0040000
#define __S_IFCHR 0020000
#define __S_IFREG 0100000
#define __S_ISTYPE(mode, mask) (((mode) &__S_IFMT) == (mask))
#define S_IFDIR __S_IFDIR
#define S_IFCHR __S_IFCHR
#define S_IFREG __S_IFREG
#define S_ISDIR(mode) __S_ISTYPE((mode), __S_IFDIR)
#define S_ISREG(mode) __S_ISTYPE((mode), __S_IFREG)
/* 5.x series compilers don't have va_copy, 16.x do. */
#if __TI_COMPILER_VERSION__ < 16000000
#define va_copy(apc, ap) ((apc) = (ap))
#endif
#endif /* __TI_COMPILER_VERSION__ */
#ifdef CC3200_FS_SLFS
#define MG_FS_SLFS
#endif
#if (defined(CC3200_FS_SPIFFS) || defined(CC3200_FS_SLFS)) && \
!defined(MG_ENABLE_FILESYSTEM)
#define MG_ENABLE_FILESYSTEM 1
#define CS_DEFINE_DIRENT
#endif
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#ifdef __cplusplus
}
#endif
#endif /* CS_PLATFORM == CS_P_CC3200 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_cc3220.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_CC3220_H_
#define CS_COMMON_PLATFORMS_PLATFORM_CC3220_H_
#if CS_PLATFORM == CS_P_CC3220
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#ifndef __TI_COMPILER_VERSION__
#include <fcntl.h>
#include <sys/time.h>
#endif
#define MG_NET_IF MG_NET_IF_SIMPLELINK
#ifndef MG_SSL_IF
#define MG_SSL_IF MG_SSL_IF_SIMPLELINK
#endif
/* Only SPIFFS supports directories, SLFS does not. */
#if defined(CC3220_FS_SPIFFS) && !defined(MG_ENABLE_DIRECTORY_LISTING)
#define MG_ENABLE_DIRECTORY_LISTING 1
#endif
/* Amalgamated: #include "common/platforms/simplelink/cs_simplelink.h" */
typedef int sock_t;
#define INVALID_SOCKET (-1)
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#define __cdecl
#define fileno(x) -1
/* Some functions we implement for Mongoose. */
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __TI_COMPILER_VERSION__
struct SlTimeval_t;
#define timeval SlTimeval_t
int gettimeofday(struct timeval *t, void *tz);
int settimeofday(const struct timeval *tv, const void *tz);
int asprintf(char **strp, const char *fmt, ...);
#endif
/* TI's libc does not have stat & friends, add them. */
#ifdef __TI_COMPILER_VERSION__
#include <file.h>
typedef unsigned int mode_t;
typedef size_t _off_t;
typedef long ssize_t;
struct stat {
int st_ino;
mode_t st_mode;
int st_nlink;
time_t st_mtime;
off_t st_size;
};
int _stat(const char *pathname, struct stat *st);
int stat(const char *pathname, struct stat *st);
#define __S_IFMT 0170000
#define __S_IFDIR 0040000
#define __S_IFCHR 0020000
#define __S_IFREG 0100000
#define __S_ISTYPE(mode, mask) (((mode) &__S_IFMT) == (mask))
#define S_IFDIR __S_IFDIR
#define S_IFCHR __S_IFCHR
#define S_IFREG __S_IFREG
#define S_ISDIR(mode) __S_ISTYPE((mode), __S_IFDIR)
#define S_ISREG(mode) __S_ISTYPE((mode), __S_IFREG)
#endif /* __TI_COMPILER_VERSION__ */
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#ifdef __cplusplus
}
#endif
#endif /* CS_PLATFORM == CS_P_CC3220 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_msp432.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_MSP432_H_
#define CS_COMMON_PLATFORMS_PLATFORM_MSP432_H_
#if CS_PLATFORM == CS_P_MSP432
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#ifndef __TI_COMPILER_VERSION__
#include <fcntl.h>
#include <sys/time.h>
#endif
#define MG_NET_IF MG_NET_IF_SIMPLELINK
#define MG_SSL_IF MG_SSL_IF_SIMPLELINK
/* Amalgamated: #include "common/platforms/simplelink/cs_simplelink.h" */
typedef int sock_t;
#define INVALID_SOCKET (-1)
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#define __cdecl
#define fileno(x) -1
/* Some functions we implement for Mongoose. */
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __TI_COMPILER_VERSION__
struct SlTimeval_t;
#define timeval SlTimeval_t
int gettimeofday(struct timeval *t, void *tz);
#endif
/* TI's libc does not have stat & friends, add them. */
#ifdef __TI_COMPILER_VERSION__
#include <file.h>
typedef unsigned int mode_t;
typedef size_t _off_t;
typedef long ssize_t;
struct stat {
int st_ino;
mode_t st_mode;
int st_nlink;
time_t st_mtime;
off_t st_size;
};
int _stat(const char *pathname, struct stat *st);
#define stat(a, b) _stat(a, b)
#define __S_IFMT 0170000
#define __S_IFDIR 0040000
#define __S_IFCHR 0020000
#define __S_IFREG 0100000
#define __S_ISTYPE(mode, mask) (((mode) &__S_IFMT) == (mask))
#define S_IFDIR __S_IFDIR
#define S_IFCHR __S_IFCHR
#define S_IFREG __S_IFREG
#define S_ISDIR(mode) __S_ISTYPE((mode), __S_IFDIR)
#define S_ISREG(mode) __S_ISTYPE((mode), __S_IFREG)
/* As of 5.2.7, TI compiler does not support va_copy() yet. */
#define va_copy(apc, ap) ((apc) = (ap))
#endif /* __TI_COMPILER_VERSION__ */
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#if (defined(CC3200_FS_SPIFFS) || defined(CC3200_FS_SLFS)) && \
!defined(MG_ENABLE_FILESYSTEM)
#define MG_ENABLE_FILESYSTEM 1
#endif
#ifdef __cplusplus
}
#endif
#endif /* CS_PLATFORM == CS_P_MSP432 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_MSP432_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_tm4c129.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_TM4C129_H_
#define CS_COMMON_PLATFORMS_PLATFORM_TM4C129_H_
#if CS_PLATFORM == CS_P_TM4C129
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#ifndef __TI_COMPILER_VERSION__
#include <fcntl.h>
#include <sys/time.h>
#endif
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#define __cdecl
#ifndef MG_NET_IF
#include <lwip/opt.h>
#if LWIP_SOCKET
#define MG_NET_IF MG_NET_IF_SOCKET
#else
#define MG_NET_IF MG_NET_IF_LWIP_LOW_LEVEL
#endif
#define MG_LWIP 1
#elif MG_NET_IF == MG_NET_IF_SIMPLELINK
/* Amalgamated: #include "common/platforms/simplelink/cs_simplelink.h" */
#endif
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#ifdef __TI_COMPILER_VERSION__
/* As of 5.2.8, TI compiler does not support va_copy() yet. */
#define va_copy(apc, ap) ((apc) = (ap))
#endif /* __TI_COMPILER_VERSION__ */
#ifdef __cplusplus
}
#endif
#endif /* CS_PLATFORM == CS_P_TM4C129 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_TM4C129_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_mbed.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_MBED_H_
#define CS_COMMON_PLATFORMS_PLATFORM_MBED_H_
#if CS_PLATFORM == CS_P_MBED
/*
* mbed.h contains C++ code (e.g. templates), thus, it should be processed
* only if included directly to startup file (ex: main.cpp)
*/
#ifdef __cplusplus
/* Amalgamated: #include "mbed.h" */
#endif /* __cplusplus */
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
/*
* mbed can be compiled with the ARM compiler which
* just doesn't come with a gettimeofday shim
* because it's a BSD API and ARM targets embedded
* non-unix platforms.
*/
#if defined(__ARMCC_VERSION) || defined(__ICCARM__)
#define _TIMEVAL_DEFINED
#define gettimeofday _gettimeofday
/* copied from GCC on ARM; for some reason useconds are signed */
typedef long suseconds_t; /* microseconds (signed) */
struct timeval {
time_t tv_sec; /* seconds */
suseconds_t tv_usec; /* and microseconds */
};
#endif
#if MG_NET_IF == MG_NET_IF_SIMPLELINK
#define MG_SIMPLELINK_NO_OSI 1
#include <simplelink.h>
typedef int sock_t;
#define INVALID_SOCKET (-1)
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT PRId64
#define INT64_X_FMT PRIx64
#define SIZE_T_FMT "u"
#define SOMAXCONN 8
const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
char *inet_ntoa(struct in_addr in);
int inet_pton(int af, const char *src, void *dst);
int inet_aton(const char *cp, struct in_addr *inp);
in_addr_t inet_addr(const char *cp);
#endif /* MG_NET_IF == MG_NET_IF_SIMPLELINK */
#endif /* CS_PLATFORM == CS_P_MBED */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_MBED_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_nrf51.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_NRF51_H_
#define CS_COMMON_PLATFORMS_PLATFORM_NRF51_H_
#if CS_PLATFORM == CS_P_NRF51
#include <assert.h>
#include <ctype.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#define to64(x) strtoll(x, NULL, 10)
#define MG_NET_IF MG_NET_IF_LWIP_LOW_LEVEL
#define MG_LWIP 1
#define MG_ENABLE_IPV6 1
/*
* For ARM C Compiler, make lwip to export `struct timeval`; for other
* compilers, suppress it.
*/
#if !defined(__ARMCC_VERSION)
#define LWIP_TIMEVAL_PRIVATE 0
#else
struct timeval;
int gettimeofday(struct timeval *tp, void *tzp);
#endif
#define INT64_FMT PRId64
#define SIZE_T_FMT "u"
/*
* ARM C Compiler doesn't have strdup, so we provide it
*/
#define CS_ENABLE_STRDUP defined(__ARMCC_VERSION)
#endif /* CS_PLATFORM == CS_P_NRF51 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_NRF51_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_nrf52.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_NRF52_H_
#define CS_COMMON_PLATFORMS_PLATFORM_NRF52_H_
#if CS_PLATFORM == CS_P_NRF52
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#define to64(x) strtoll(x, NULL, 10)
#define MG_NET_IF MG_NET_IF_LWIP_LOW_LEVEL
#define MG_LWIP 1
#define MG_ENABLE_IPV6 1
#if !defined(ENOSPC)
#define ENOSPC 28 /* No space left on device */
#endif
/*
* For ARM C Compiler, make lwip to export `struct timeval`; for other
* compilers, suppress it.
*/
#if !defined(__ARMCC_VERSION)
#define LWIP_TIMEVAL_PRIVATE 0
#endif
#define INT64_FMT PRId64
#define SIZE_T_FMT "u"
/*
* ARM C Compiler doesn't have strdup, so we provide it
*/
#define CS_ENABLE_STRDUP defined(__ARMCC_VERSION)
#endif /* CS_PLATFORM == CS_P_NRF52 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_NRF52_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/simplelink/cs_simplelink.h"
#endif
#ifndef CS_COMMON_PLATFORMS_SIMPLELINK_CS_SIMPLELINK_H_
#define CS_COMMON_PLATFORMS_SIMPLELINK_CS_SIMPLELINK_H_
#if defined(MG_NET_IF) && MG_NET_IF == MG_NET_IF_SIMPLELINK
/* If simplelink.h is already included, all bets are off. */
#if !defined(__SIMPLELINK_H__)
#include <stdbool.h>
#ifndef __TI_COMPILER_VERSION__
#undef __CONCAT
#undef FD_CLR
#undef FD_ISSET
#undef FD_SET
#undef FD_SETSIZE
#undef FD_ZERO
#undef fd_set
#endif
#if CS_PLATFORM == CS_P_CC3220
#include <ti/drivers/net/wifi/porting/user.h>
#include <ti/drivers/net/wifi/simplelink.h>
#include <ti/drivers/net/wifi/sl_socket.h>
#include <ti/drivers/net/wifi/netapp.h>
#else
/* We want to disable SL_INC_STD_BSD_API_NAMING, so we include user.h ourselves
* and undef it. */
#define PROVISIONING_API_H_
#include <simplelink/user.h>
#undef PROVISIONING_API_H_
#undef SL_INC_STD_BSD_API_NAMING
#include <simplelink/include/simplelink.h>
#include <simplelink/include/netapp.h>
#endif /* CS_PLATFORM == CS_P_CC3220 */
/* Now define only the subset of the BSD API that we use.
* Notably, close(), read() and write() are not defined. */
#define AF_INET SL_AF_INET
#define socklen_t SlSocklen_t
#define sockaddr SlSockAddr_t
#define sockaddr_in SlSockAddrIn_t
#define in_addr SlInAddr_t
#define SOCK_STREAM SL_SOCK_STREAM
#define SOCK_DGRAM SL_SOCK_DGRAM
#define htonl sl_Htonl
#define ntohl sl_Ntohl
#define htons sl_Htons
#define ntohs sl_Ntohs
#ifndef EACCES
#define EACCES SL_EACCES
#endif
#ifndef EAFNOSUPPORT
#define EAFNOSUPPORT SL_EAFNOSUPPORT
#endif
#ifndef EAGAIN
#define EAGAIN SL_EAGAIN
#endif
#ifndef EBADF
#define EBADF SL_EBADF
#endif
#ifndef EINVAL
#define EINVAL SL_EINVAL
#endif
#ifndef ENOMEM
#define ENOMEM SL_ENOMEM
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK SL_EWOULDBLOCK
#endif
#define SOMAXCONN 8
#ifdef __cplusplus
extern "C" {
#endif
const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
char *inet_ntoa(struct in_addr in);
int inet_pton(int af, const char *src, void *dst);
struct mg_mgr;
struct mg_connection;
typedef void (*mg_init_cb)(struct mg_mgr *mgr);
bool mg_start_task(int priority, int stack_size, mg_init_cb mg_init);
void mg_run_in_task(void (*cb)(struct mg_mgr *mgr, void *arg), void *cb_arg);
int sl_fs_init(void);
void sl_restart_cb(struct mg_mgr *mgr);
int sl_set_ssl_opts(int sock, struct mg_connection *nc);
#ifdef __cplusplus
}
#endif
#endif /* !defined(__SIMPLELINK_H__) */
/* Compatibility with older versions of SimpleLink */
#if SL_MAJOR_VERSION_NUM < 2
#define SL_ERROR_BSD_EAGAIN SL_EAGAIN
#define SL_ERROR_BSD_EALREADY SL_EALREADY
#define SL_ERROR_BSD_ENOPROTOOPT SL_ENOPROTOOPT
#define SL_ERROR_BSD_ESECDATEERROR SL_ESECDATEERROR
#define SL_ERROR_BSD_ESECSNOVERIFY SL_ESECSNOVERIFY
#define SL_ERROR_FS_FAILED_TO_ALLOCATE_MEM SL_FS_ERR_FAILED_TO_ALLOCATE_MEM
#define SL_ERROR_FS_FILE_HAS_NOT_BEEN_CLOSE_CORRECTLY \
SL_FS_FILE_HAS_NOT_BEEN_CLOSE_CORRECTLY
#define SL_ERROR_FS_FILE_NAME_EXIST SL_FS_FILE_NAME_EXIST
#define SL_ERROR_FS_FILE_NOT_EXISTS SL_FS_ERR_FILE_NOT_EXISTS
#define SL_ERROR_FS_NO_AVAILABLE_NV_INDEX SL_FS_ERR_NO_AVAILABLE_NV_INDEX
#define SL_ERROR_FS_NOT_ENOUGH_STORAGE_SPACE SL_FS_ERR_NO_AVAILABLE_BLOCKS
#define SL_ERROR_FS_NOT_SUPPORTED SL_FS_ERR_NOT_SUPPORTED
#define SL_ERROR_FS_WRONG_FILE_NAME SL_FS_WRONG_FILE_NAME
#define SL_ERROR_FS_INVALID_HANDLE SL_FS_ERR_INVALID_HANDLE
#define SL_NETCFG_MAC_ADDRESS_GET SL_MAC_ADDRESS_GET
#define SL_SOCKET_FD_ZERO SL_FD_ZERO
#define SL_SOCKET_FD_SET SL_FD_SET
#define SL_SOCKET_FD_ISSET SL_FD_ISSET
#define SL_SO_SECURE_DOMAIN_NAME_VERIFICATION SO_SECURE_DOMAIN_NAME_VERIFICATION
#define SL_FS_READ FS_MODE_OPEN_READ
#define SL_FS_WRITE FS_MODE_OPEN_WRITE
#define SL_FI_FILE_SIZE(fi) ((fi).FileLen)
#define SL_FI_FILE_MAX_SIZE(fi) ((fi).AllocatedLen)
#define SlDeviceVersion_t SlVersionFull
#define sl_DeviceGet sl_DevGet
#define SL_DEVICE_GENERAL SL_DEVICE_GENERAL_CONFIGURATION
#define SL_LEN_TYPE _u8
#define SL_OPT_TYPE _u8
#else /* SL_MAJOR_VERSION_NUM >= 2 */
#define FS_MODE_OPEN_CREATE(max_size, flag) \
(SL_FS_CREATE | SL_FS_CREATE_MAX_SIZE(max_size))
#define SL_FI_FILE_SIZE(fi) ((fi).Len)
#define SL_FI_FILE_MAX_SIZE(fi) ((fi).MaxSize)
#define SL_LEN_TYPE _u16
#define SL_OPT_TYPE _u16
#endif /* SL_MAJOR_VERSION_NUM < 2 */
int slfs_open(const unsigned char *fname, uint32_t flags, uint32_t *token);
#endif /* MG_NET_IF == MG_NET_IF_SIMPLELINK */
#endif /* CS_COMMON_PLATFORMS_SIMPLELINK_CS_SIMPLELINK_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_wince.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_WINCE_H_
#define CS_COMMON_PLATFORMS_PLATFORM_WINCE_H_
#if CS_PLATFORM == CS_P_WINCE
/*
* MSVC++ 14.0 _MSC_VER == 1900 (Visual Studio 2015)
* MSVC++ 12.0 _MSC_VER == 1800 (Visual Studio 2013)
* MSVC++ 11.0 _MSC_VER == 1700 (Visual Studio 2012)
* MSVC++ 10.0 _MSC_VER == 1600 (Visual Studio 2010)
* MSVC++ 9.0 _MSC_VER == 1500 (Visual Studio 2008)
* MSVC++ 8.0 _MSC_VER == 1400 (Visual Studio 2005)
* MSVC++ 7.1 _MSC_VER == 1310 (Visual Studio 2003)
* MSVC++ 7.0 _MSC_VER == 1300
* MSVC++ 6.0 _MSC_VER == 1200
* MSVC++ 5.0 _MSC_VER == 1100
*/
#pragma warning(disable : 4127) /* FD_SET() emits warning, disable it */
#pragma warning(disable : 4204) /* missing c99 support */
#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
#define _WINSOCK_DEPRECATED_NO_WARNINGS 1
#endif
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <assert.h>
#include <limits.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#pragma comment(lib, "ws2.lib") /* Linking with WinCE winsock library */
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windows.h>
#define strdup _strdup
#ifndef EINPROGRESS
#define EINPROGRESS WSAEINPROGRESS
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK WSAEWOULDBLOCK
#endif
#ifndef EAGAIN
#define EAGAIN EWOULDBLOCK
#endif
#ifndef __func__
#define STRX(x) #x
#define STR(x) STRX(x)
#define __func__ __FILE__ ":" STR(__LINE__)
#endif
#define snprintf _snprintf
#define fileno _fileno
#define vsnprintf _vsnprintf
#define sleep(x) Sleep((x) *1000)
#define to64(x) _atoi64(x)
#define rmdir _rmdir
#if defined(_MSC_VER) && _MSC_VER >= 1400
#define fseeko(x, y, z) _fseeki64((x), (y), (z))
#else
#define fseeko(x, y, z) fseek((x), (y), (z))
#endif
typedef int socklen_t;
#if _MSC_VER >= 1700
#include <stdint.h>
#else
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef int int32_t;
typedef unsigned int uint32_t;
typedef short int16_t;
typedef unsigned short uint16_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#endif
typedef SOCKET sock_t;
typedef uint32_t in_addr_t;
#ifndef UINT16_MAX
#define UINT16_MAX 65535
#endif
#ifndef UINT32_MAX
#define UINT32_MAX 4294967295
#endif
#ifndef pid_t
#define pid_t HANDLE
#endif
#define INT64_FMT "I64d"
#define INT64_X_FMT "I64x"
/* TODO(alashkin): check if this is correct */
#define SIZE_T_FMT "u"
#define DIRSEP '\\'
#define CS_DEFINE_DIRENT
#ifndef va_copy
#ifdef __va_copy
#define va_copy __va_copy
#else
#define va_copy(x, y) (x) = (y)
#endif
#endif
#ifndef MG_MAX_HTTP_REQUEST_SIZE
#define MG_MAX_HTTP_REQUEST_SIZE 8192
#endif
#ifndef MG_MAX_HTTP_SEND_MBUF
#define MG_MAX_HTTP_SEND_MBUF 4096
#endif
#ifndef MG_MAX_HTTP_HEADERS
#define MG_MAX_HTTP_HEADERS 40
#endif
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#define abort() DebugBreak();
#ifndef BUFSIZ
#define BUFSIZ 4096
#endif
/*
* Explicitly disabling MG_ENABLE_THREADS for WinCE
* because they are enabled for _WIN32 by default
*/
#ifndef MG_ENABLE_THREADS
#define MG_ENABLE_THREADS 0
#endif
#ifndef MG_ENABLE_FILESYSTEM
#define MG_ENABLE_FILESYSTEM 1
#endif
#ifndef MG_NET_IF
#define MG_NET_IF MG_NET_IF_SOCKET
#endif
typedef struct _stati64 {
uint32_t st_mtime;
uint32_t st_size;
uint32_t st_mode;
} cs_stat_t;
/*
* WinCE 6.0 has a lot of useful definitions in ATL (not windows.h) headers
* use #ifdefs to avoid conflicts
*/
#ifndef ENOENT
#define ENOENT ERROR_PATH_NOT_FOUND
#endif
#ifndef EACCES
#define EACCES ERROR_ACCESS_DENIED
#endif
#ifndef ENOMEM
#define ENOMEM ERROR_NOT_ENOUGH_MEMORY
#endif
#ifndef _UINTPTR_T_DEFINED
typedef unsigned int *uintptr_t;
#endif
#define _S_IFREG 2
#define _S_IFDIR 4
#ifndef S_ISDIR
#define S_ISDIR(x) (((x) &_S_IFDIR) != 0)
#endif
#ifndef S_ISREG
#define S_ISREG(x) (((x) &_S_IFREG) != 0)
#endif
int open(const char *filename, int oflag, int pmode);
int _wstati64(const wchar_t *path, cs_stat_t *st);
const char *strerror();
#endif /* CS_PLATFORM == CS_P_WINCE */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_WINCE_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_nxp_lpc.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_NXP_LPC_H_
#define CS_COMMON_PLATFORMS_PLATFORM_NXP_LPC_H_
#if CS_PLATFORM == CS_P_NXP_LPC
#include <ctype.h>
#include <stdint.h>
#include <string.h>
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define INT64_FMT "lld"
#define INT64_X_FMT "llx"
#define __cdecl
#define MG_LWIP 1
#define MG_NET_IF MG_NET_IF_LWIP_LOW_LEVEL
/*
* LPCXpress comes with 3 C library implementations: Newlib, NewlibNano and
*Redlib.
* See https://community.nxp.com/message/630860 for more details.
*
* Redlib is the default and lacks certain things, so we provide them.
*/
#ifdef __REDLIB_INTERFACE_VERSION__
/* Let LWIP define timeval for us. */
#define LWIP_TIMEVAL_PRIVATE 1
#define va_copy(d, s) __builtin_va_copy(d, s)
#define CS_ENABLE_TO64 1
#define to64(x) cs_to64(x)
#define CS_ENABLE_STRDUP 1
#else
#include <sys/time.h>
#define LWIP_TIMEVAL_PRIVATE 0
#define to64(x) strtoll(x, NULL, 10)
#endif
#endif /* CS_PLATFORM == CS_P_NXP_LPC */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_NXP_LPC_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_nxp_kinetis.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_NXP_KINETIS_H_
#define CS_COMMON_PLATFORMS_PLATFORM_NXP_KINETIS_H_
#if CS_PLATFORM == CS_P_NXP_KINETIS
#include <ctype.h>
#include <inttypes.h>
#include <string.h>
#include <sys/time.h>
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT "lld"
#define INT64_X_FMT "llx"
#define __cdecl
#define MG_LWIP 1
#define MG_NET_IF MG_NET_IF_LWIP_LOW_LEVEL
/* struct timeval is defined in sys/time.h. */
#define LWIP_TIMEVAL_PRIVATE 0
#endif /* CS_PLATFORM == CS_P_NXP_KINETIS */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_NXP_KINETIS_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_pic32.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_PIC32_H_
#define CS_COMMON_PLATFORMS_PLATFORM_PIC32_H_
#if CS_PLATFORM == CS_P_PIC32
#define MG_NET_IF MG_NET_IF_PIC32
#include <stdint.h>
#include <time.h>
#include <ctype.h>
#include <stdlib.h>
#include <system_config.h>
#include <system_definitions.h>
#include <sys/types.h>
typedef TCP_SOCKET sock_t;
#define to64(x) strtoll(x, NULL, 10)
#define SIZE_T_FMT "lu"
#define INT64_FMT "lld"
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
char *inet_ntoa(struct in_addr in);
#endif /* CS_PLATFORM == CS_P_PIC32 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_PIC32_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_rs14100.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_RS14100_H_
#define CS_COMMON_PLATFORMS_PLATFORM_RS14100_H_
#if CS_PLATFORM == CS_P_RS14100
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#ifdef MGOS_HAVE_VFS_COMMON
#include <mgos_vfs.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT "lld"
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#ifndef MG_ENABLE_FILESYSTEM
#define MG_ENABLE_FILESYSTEM 1
#endif
#ifdef __cplusplus
}
#endif
#endif /* CS_PLATFORM == CS_P_RS14100 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_RS14100_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/platform_stm32.h"
#endif
#ifndef CS_COMMON_PLATFORMS_PLATFORM_STM32_H_
#define CS_COMMON_PLATFORMS_PLATFORM_STM32_H_
#if CS_PLATFORM == CS_P_STM32
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <dirent.h>
#include <stm32_sdk_hal.h>
#define to64(x) strtoll(x, NULL, 10)
#define INT64_FMT "lld"
#define SIZE_T_FMT "u"
typedef struct stat cs_stat_t;
#define DIRSEP '/'
#ifndef CS_ENABLE_STDIO
#define CS_ENABLE_STDIO 1
#endif
#ifndef MG_ENABLE_FILESYSTEM
#define MG_ENABLE_FILESYSTEM 1
#endif
#endif /* CS_PLATFORM == CS_P_STM32 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_STM32_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/platforms/lwip/mg_lwip.h"
#endif
#ifndef CS_COMMON_PLATFORMS_LWIP_MG_LWIP_H_
#define CS_COMMON_PLATFORMS_LWIP_MG_LWIP_H_
#ifndef MG_LWIP
#define MG_LWIP 0
#endif
#if MG_LWIP
/*
* When compiling for nRF5x chips with arm-none-eabi-gcc, it has BYTE_ORDER
* already defined, so in order to avoid warnings in lwip, we have to undefine
* it.
*
* TODO: Check if in the future versions of nRF5 SDK that changes.
* Current version of nRF51 SDK: 0.8.0
* nRF5 SDK: 0.9.0
*/
#if CS_PLATFORM == CS_P_NRF51 || CS_PLATFORM == CS_P_NRF52
#undef BYTE_ORDER
#endif
#include <lwip/opt.h>
#include <lwip/err.h>
#include <lwip/ip_addr.h>
#include <lwip/inet.h>
#include <lwip/netdb.h>
#include <lwip/dns.h>
#ifndef LWIP_PROVIDE_ERRNO
#include <errno.h>
#endif
#if LWIP_SOCKET
#include <lwip/sockets.h>
#else
/* We really need the definitions from sockets.h. */
#undef LWIP_SOCKET
#define LWIP_SOCKET 1
#include <lwip/sockets.h>
#undef LWIP_SOCKET
#define LWIP_SOCKET 0
#endif
#define INVALID_SOCKET (-1)
#define SOMAXCONN 10
typedef int sock_t;
#if MG_NET_IF == MG_NET_IF_LWIP_LOW_LEVEL
struct mg_mgr;
struct mg_connection;
void mg_lwip_set_keepalive_params(struct mg_connection *nc, int idle,
int interval, int count);
#endif
/* For older version of LWIP */
#ifndef ipX_2_ip
#define ipX_2_ip(x) (x)
#endif
#endif /* MG_LWIP */
#endif /* CS_COMMON_PLATFORMS_LWIP_MG_LWIP_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/cs_md5.h"
#endif
#ifndef CS_COMMON_MD5_H_
#define CS_COMMON_MD5_H_
/* Amalgamated: #include "common/platform.h" */
#ifndef CS_DISABLE_MD5
#define CS_DISABLE_MD5 0
#endif
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct {
uint32_t buf[4];
uint32_t bits[2];
unsigned char in[64];
} cs_md5_ctx;
void cs_md5_init(cs_md5_ctx *c);
void cs_md5_update(cs_md5_ctx *c, const unsigned char *data, size_t len);
void cs_md5_final(unsigned char *md, cs_md5_ctx *c);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_COMMON_MD5_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/cs_sha1.h"
#endif
#ifndef CS_COMMON_SHA1_H_
#define CS_COMMON_SHA1_H_
#ifndef CS_DISABLE_SHA1
#define CS_DISABLE_SHA1 0
#endif
#if !CS_DISABLE_SHA1
/* Amalgamated: #include "common/platform.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct {
uint32_t state[5];
uint32_t count[2];
unsigned char buffer[64];
} cs_sha1_ctx;
void cs_sha1_init(cs_sha1_ctx *);
void cs_sha1_update(cs_sha1_ctx *, const unsigned char *data, uint32_t len);
void cs_sha1_final(unsigned char digest[20], cs_sha1_ctx *);
void cs_hmac_sha1(const unsigned char *key, size_t key_len,
const unsigned char *text, size_t text_len,
unsigned char out[20]);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_DISABLE_SHA1 */
#endif /* CS_COMMON_SHA1_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/cs_time.h"
#endif
#ifndef CS_COMMON_CS_TIME_H_
#define CS_COMMON_CS_TIME_H_
#include <time.h>
/* Amalgamated: #include "common/platform.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Sub-second granularity time(). */
double cs_time(void);
/*
* Similar to (non-standard) timegm, converts broken-down time into the number
* of seconds since Unix Epoch.
*/
double cs_timegm(const struct tm *tm);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_COMMON_CS_TIME_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/mg_str.h"
#endif
#ifndef CS_COMMON_MG_STR_H_
#define CS_COMMON_MG_STR_H_
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Describes chunk of memory */
struct mg_str {
const char *p; /* Memory chunk pointer */
size_t len; /* Memory chunk length */
};
/*
* Helper function for creating mg_str struct from plain C string.
* `NULL` is allowed and becomes `{NULL, 0}`.
*/
struct mg_str mg_mk_str(const char *s);
/*
* Like `mg_mk_str`, but takes string length explicitly.
*/
struct mg_str mg_mk_str_n(const char *s, size_t len);
/* Macro for initializing mg_str. */
#define MG_MK_STR(str_literal) \
{ str_literal, sizeof(str_literal) - 1 }
#define MG_MK_STR_N(str_literal, len) \
{ str_literal, len }
#define MG_NULL_STR \
{ NULL, 0 }
/*
* Cross-platform version of `strcmp()` where where first string is
* specified by `struct mg_str`.
*/
int mg_vcmp(const struct mg_str *str2, const char *str1);
/*
* Cross-platform version of `strncasecmp()` where first string is
* specified by `struct mg_str`.
*/
int mg_vcasecmp(const struct mg_str *str2, const char *str1);
/* Creates a copy of s (heap-allocated). */
struct mg_str mg_strdup(const struct mg_str s);
/*
* Creates a copy of s (heap-allocated).
* Resulting string is NUL-terminated (but NUL is not included in len).
*/
struct mg_str mg_strdup_nul(const struct mg_str s);
/*
* Locates character in a string.
*/
const char *mg_strchr(const struct mg_str s, int c);
/*
* Compare two `mg_str`s; return value is the same as `strcmp`.
*/
int mg_strcmp(const struct mg_str str1, const struct mg_str str2);
/*
* Like `mg_strcmp`, but compares at most `n` characters.
*/
int mg_strncmp(const struct mg_str str1, const struct mg_str str2, size_t n);
/*
* Compare two `mg_str`s ignoreing case; return value is the same as `strcmp`.
*/
int mg_strcasecmp(const struct mg_str str1, const struct mg_str str2);
/*
* Free the string (assuming it was heap allocated).
*/
void mg_strfree(struct mg_str *s);
/*
* Finds the first occurrence of a substring `needle` in the `haystack`.
*/
const char *mg_strstr(const struct mg_str haystack, const struct mg_str needle);
/* Strip whitespace at the start and the end of s */
struct mg_str mg_strstrip(struct mg_str s);
/* Returns 1 if s starts with the given prefix. */
int mg_str_starts_with(struct mg_str s, struct mg_str prefix);
#ifdef __cplusplus
}
#endif
#endif /* CS_COMMON_MG_STR_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/mbuf.h"
#endif
/*
* Mbufs are mutable/growing memory buffers, like C++ strings.
* Mbuf can append data to the end of a buffer or insert data into arbitrary
* position in the middle of a buffer. The buffer grows automatically when
* needed.
*/
#ifndef CS_COMMON_MBUF_H_
#define CS_COMMON_MBUF_H_
#include <stdlib.h>
/* Amalgamated: #include "common/platform.h" */
#if defined(__cplusplus)
extern "C" {
#endif
#ifndef MBUF_SIZE_MULTIPLIER
#define MBUF_SIZE_MULTIPLIER 1.5
#endif
#ifndef MBUF_SIZE_MAX_HEADROOM
#ifdef BUFSIZ
#define MBUF_SIZE_MAX_HEADROOM BUFSIZ
#else
#define MBUF_SIZE_MAX_HEADROOM 1024
#endif
#endif
/* Memory buffer descriptor */
struct mbuf {
char *buf; /* Buffer pointer */
size_t len; /* Data length. Data is located between offset 0 and len. */
size_t size; /* Buffer size allocated by realloc(1). Must be >= len */
};
/*
* Initialises an Mbuf.
* `initial_capacity` specifies the initial capacity of the mbuf.
*/
void mbuf_init(struct mbuf *, size_t initial_capacity);
/* Frees the space allocated for the mbuffer and resets the mbuf structure. */
void mbuf_free(struct mbuf *);
/*
* Appends data to the Mbuf.
*
* Returns the number of bytes appended or 0 if out of memory.
*/
size_t mbuf_append(struct mbuf *, const void *data, size_t data_size);
/*
* Appends data to the Mbuf and frees it (data must be heap-allocated).
*
* Returns the number of bytes appended or 0 if out of memory.
* data is freed irrespective of return value.
*/
size_t mbuf_append_and_free(struct mbuf *, void *data, size_t data_size);
/*
* Inserts data at a specified offset in the Mbuf.
*
* Existing data will be shifted forwards and the buffer will
* be grown if necessary.
* Returns the number of bytes inserted.
*/
size_t mbuf_insert(struct mbuf *, size_t, const void *, size_t);
/* Removes `data_size` bytes from the beginning of the buffer. */
void mbuf_remove(struct mbuf *, size_t data_size);
/*
* Resizes an Mbuf.
*
* If `new_size` is smaller than buffer's `len`, the
* resize is not performed.
*/
void mbuf_resize(struct mbuf *, size_t new_size);
/* Moves the state from one mbuf to the other. */
void mbuf_move(struct mbuf *from, struct mbuf *to);
/* Removes all the data from mbuf (if any). */
void mbuf_clear(struct mbuf *);
/* Shrinks an Mbuf by resizing its `size` to `len`. */
void mbuf_trim(struct mbuf *);
#if defined(__cplusplus)
}
#endif /* __cplusplus */
#endif /* CS_COMMON_MBUF_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/cs_base64.h"
#endif
#ifndef CS_COMMON_CS_BASE64_H_
#define CS_COMMON_CS_BASE64_H_
#ifndef DISABLE_BASE64
#define DISABLE_BASE64 0
#endif
#if !DISABLE_BASE64
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef void (*cs_base64_putc_t)(char, void *);
struct cs_base64_ctx {
/* cannot call it putc because it's a macro on some environments */
cs_base64_putc_t b64_putc;
unsigned char chunk[3];
int chunk_size;
void *user_data;
};
void cs_base64_init(struct cs_base64_ctx *ctx, cs_base64_putc_t putc,
void *user_data);
void cs_base64_update(struct cs_base64_ctx *ctx, const char *str, size_t len);
void cs_base64_finish(struct cs_base64_ctx *ctx);
void cs_base64_encode(const unsigned char *src, int src_len, char *dst, int *enc_len);
void cs_fprint_base64(FILE *f, const unsigned char *src, int src_len);
/*
* Decodes a base64 string `s` length `len` into `dst`.
* `dst` must have enough space to hold the result.
* `*dec_len` will contain the resulting length of the string in `dst`
* while return value will return number of processed bytes in `src`.
* Return value == len indicates successful processing of all the data.
*/
int cs_base64_decode(const unsigned char *s, int len, char *dst, int *dec_len);
#ifdef __cplusplus
}
#endif
#endif /* DISABLE_BASE64 */
#endif /* CS_COMMON_CS_BASE64_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/str_util.h"
#endif
#ifndef CS_COMMON_STR_UTIL_H_
#define CS_COMMON_STR_UTIL_H_
#include <stdarg.h>
#include <stdlib.h>
/* Amalgamated: #include "common/mg_str.h" */
/* Amalgamated: #include "common/platform.h" */
#ifndef CS_ENABLE_STRDUP
#define CS_ENABLE_STRDUP 0
#endif
#ifndef CS_ENABLE_TO64
#define CS_ENABLE_TO64 0
#endif
/*
* Expands to a string representation of its argument: e.g.
* `CS_STRINGIFY_LIT(5) expands to "5"`
*/
#if !defined(_MSC_VER) || _MSC_VER >= 1900
#define CS_STRINGIFY_LIT(...) #__VA_ARGS__
#else
#define CS_STRINGIFY_LIT(x) #x
#endif
/*
* Expands to a string representation of its argument, which is allowed
* to be a macro: e.g.
*
* #define FOO 123
* CS_STRINGIFY_MACRO(FOO)
*
* expands to 123.
*/
#define CS_STRINGIFY_MACRO(x) CS_STRINGIFY_LIT(x)
#ifdef __cplusplus
extern "C" {
#endif
/*
* Equivalent of standard `strnlen()`.
*/
size_t c_strnlen(const char *s, size_t maxlen);
/*
* Equivalent of standard `snprintf()`.
*/
int c_snprintf(char *buf, size_t buf_size, const char *format, ...)
PRINTF_LIKE(3, 4);
/*
* Equivalent of standard `vsnprintf()`.
*/
int c_vsnprintf(char *buf, size_t buf_size, const char *format, va_list ap);
/*
* Find the first occurrence of find in s, where the search is limited to the
* first slen characters of s.
*/
const char *c_strnstr(const char *s, const char *find, size_t slen);
/*
* Stringify binary data. Output buffer size must be 2 * size_of_input + 1
* because each byte of input takes 2 bytes in string representation
* plus 1 byte for the terminating \0 character.
*/
void cs_to_hex(char *to, const unsigned char *p, size_t len);
/*
* Convert stringified binary data back to binary.
* Does the reverse of `cs_to_hex()`.
*/
void cs_from_hex(char *to, const char *p, size_t len);
#if CS_ENABLE_STRDUP
/*
* Equivalent of standard `strdup()`, defined if only `CS_ENABLE_STRDUP` is 1.
*/
char *strdup(const char *src);
#endif
#if CS_ENABLE_TO64
#include <stdint.h>
/*
* Simple string -> int64 conversion routine.
*/
int64_t cs_to64(const char *s);
#endif
/*
* Cross-platform version of `strncasecmp()`.
*/
int mg_ncasecmp(const char *s1, const char *s2, size_t len);
/*
* Cross-platform version of `strcasecmp()`.
*/
int mg_casecmp(const char *s1, const char *s2);
/*
* Prints message to the buffer. If the buffer is large enough to hold the
* message, it returns buffer. If buffer is to small, it allocates a large
* enough buffer on heap and returns allocated buffer.
* This is a supposed use case:
*
* ```c
* char buf[5], *p = buf;
* mg_avprintf(&p, sizeof(buf), "%s", "hi there");
* use_p_somehow(p);
* if (p != buf) {
* free(p);
* }
* ```
*
* The purpose of this is to avoid malloc-ing if generated strings are small.
*/
int mg_asprintf(char **buf, size_t size, const char *fmt, ...)
PRINTF_LIKE(3, 4);
/* Same as mg_asprintf, but takes varargs list. */
int mg_avprintf(char **buf, size_t size, const char *fmt, va_list ap);
/*
* A helper function for traversing a comma separated list of values.
* It returns a list pointer shifted to the next value or NULL if the end
* of the list found.
* The value is stored in a val vector. If the value has a form "x=y", then
* eq_val vector is initialised to point to the "y" part, and val vector length
* is adjusted to point only to "x".
* If the list is just a comma separated list of entries, like "aa,bb,cc" then
* `eq_val` will contain zero-length string.
*
* The purpose of this function is to parse comma separated string without
* any copying/memory allocation.
*/
const char *mg_next_comma_list_entry(const char *list, struct mg_str *val,
struct mg_str *eq_val);
/*
* Like `mg_next_comma_list_entry()`, but takes `list` as `struct mg_str`.
* NB: Test return value's .p, not .len. On last itreation that yields result
* .len will be 0 but .p will not. When finished, .p will be NULL.
*/
struct mg_str mg_next_comma_list_entry_n(struct mg_str list, struct mg_str *val,
struct mg_str *eq_val);
/*
* Helper for parsing query strings.
* Parses '&' and '=' entries. Does not perform unescaping.
*/
struct mg_str mg_next_query_string_entry_n(struct mg_str list,
struct mg_str *val,
struct mg_str *eq_val);
/*
* Matches 0-terminated string (mg_match_prefix) or string with given length
* mg_match_prefix_n against a glob pattern. Glob syntax:
* ```
* - * matches zero or more characters until a slash character /
* - ** matches zero or more characters
* - ? Matches exactly one character which is not a slash /
* - | or , divides alternative patterns
* - any other character matches itself
* ```
* Match is case-insensitive. Return number of bytes matched.
* Examples:
* ```
* mg_match_prefix("a*f", len, "abcdefgh") == 6
* mg_match_prefix("a*f", len, "abcdexgh") == 0
* mg_match_prefix("a*f|de*,xy", len, "defgh") == 5
* mg_match_prefix("?*", len, "abc") == 3
* mg_match_prefix("?*", len, "") == 0
* ```
*/
size_t mg_match_prefix(const char *pattern, int pattern_len, const char *str);
/*
* Like `mg_match_prefix()`, but takes `pattern` and `str` as `struct mg_str`.
*/
size_t mg_match_prefix_n(const struct mg_str pattern, const struct mg_str str);
#ifdef __cplusplus
}
#endif
#endif /* CS_COMMON_STR_UTIL_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/common/queue.h"
#endif
/* clang-format off */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)queue.h 8.5 (Berkeley) 8/20/94
* $FreeBSD$
*/
#ifndef _SYS_QUEUE_H_
#define _SYS_QUEUE_H_
/*
* This file defines four types of data structures: singly-linked lists,
* singly-linked tail queues, lists and tail queues.
*
* A singly-linked list is headed by a single forward pointer. The elements
* are singly linked for minimum space and pointer manipulation overhead at
* the expense of O(n) removal for arbitrary elements. New elements can be
* added to the list after an existing element or at the head of the list.
* Elements being removed from the head of the list should use the explicit
* macro for this purpose for optimum efficiency. A singly-linked list may
* only be traversed in the forward direction. Singly-linked lists are ideal
* for applications with large datasets and few or no removals or for
* implementing a LIFO queue.
*
* A singly-linked tail queue is headed by a pair of pointers, one to the
* head of the list and the other to the tail of the list. The elements are
* singly linked for minimum space and pointer manipulation overhead at the
* expense of O(n) removal for arbitrary elements. New elements can be added
* to the list after an existing element, at the head of the list, or at the
* end of the list. Elements being removed from the head of the tail queue
* should use the explicit macro for this purpose for optimum efficiency.
* A singly-linked tail queue may only be traversed in the forward direction.
* Singly-linked tail queues are ideal for applications with large datasets
* and few or no removals or for implementing a FIFO queue.
*
* A list is headed by a single forward pointer (or an array of forward
* pointers for a hash table header). The elements are doubly linked
* so that an arbitrary element can be removed without a need to
* traverse the list. New elements can be added to the list before
* or after an existing element or at the head of the list. A list
* may be traversed in either direction.
*
* A tail queue is headed by a pair of pointers, one to the head of the
* list and the other to the tail of the list. The elements are doubly
* linked so that an arbitrary element can be removed without a need to
* traverse the list. New elements can be added to the list before or
* after an existing element, at the head of the list, or at the end of
* the list. A tail queue may be traversed in either direction.
*
* For details on the use of these macros, see the queue(3) manual page.
*
*
* SLIST LIST STAILQ TAILQ
* _HEAD + + + +
* _CLASS_HEAD + + + +
* _HEAD_INITIALIZER + + + +
* _ENTRY + + + +
* _CLASS_ENTRY + + + +
* _INIT + + + +
* _EMPTY + + + +
* _FIRST + + + +
* _NEXT + + + +
* _PREV - + - +
* _LAST - - + +
* _FOREACH + + + +
* _FOREACH_FROM + + + +
* _FOREACH_SAFE + + + +
* _FOREACH_FROM_SAFE + + + +
* _FOREACH_REVERSE - - - +
* _FOREACH_REVERSE_FROM - - - +
* _FOREACH_REVERSE_SAFE - - - +
* _FOREACH_REVERSE_FROM_SAFE - - - +
* _INSERT_HEAD + + + +
* _INSERT_BEFORE - + - +
* _INSERT_AFTER + + + +
* _INSERT_TAIL - - + +
* _CONCAT - - + +
* _REMOVE_AFTER + - + -
* _REMOVE_HEAD + - + -
* _REMOVE + + + +
* _SWAP + + + +
*
*/
#ifdef QUEUE_MACRO_DEBUG
/* Store the last 2 places the queue element or head was altered */
struct qm_trace {
unsigned long lastline;
unsigned long prevline;
const char *lastfile;
const char *prevfile;
};
#define TRACEBUF struct qm_trace trace;
#define TRACEBUF_INITIALIZER { __LINE__, 0, __FILE__, NULL } ,
#define TRASHIT(x) do {(x) = (void *)-1;} while (0)
#define QMD_SAVELINK(name, link) void **name = (void *)&(link)
#define QMD_TRACE_HEAD(head) do { \
(head)->trace.prevline = (head)->trace.lastline; \
(head)->trace.prevfile = (head)->trace.lastfile; \
(head)->trace.lastline = __LINE__; \
(head)->trace.lastfile = __FILE__; \
} while (0)
#define QMD_TRACE_ELEM(elem) do { \
(elem)->trace.prevline = (elem)->trace.lastline; \
(elem)->trace.prevfile = (elem)->trace.lastfile; \
(elem)->trace.lastline = __LINE__; \
(elem)->trace.lastfile = __FILE__; \
} while (0)
#else
#define QMD_TRACE_ELEM(elem)
#define QMD_TRACE_HEAD(head)
#define QMD_SAVELINK(name, link)
#define TRACEBUF
#define TRACEBUF_INITIALIZER
#define TRASHIT(x)
#endif /* QUEUE_MACRO_DEBUG */
#ifdef __cplusplus
/*
* In C++ there can be structure lists and class lists:
*/
#define QUEUE_TYPEOF(type) type
#else
#define QUEUE_TYPEOF(type) struct type
#endif
/*
* Singly-linked List declarations.
*/
#define SLIST_HEAD(name, type) \
struct name { \
struct type *slh_first; /* first element */ \
}
#define SLIST_CLASS_HEAD(name, type) \
struct name { \
class type *slh_first; /* first element */ \
}
#define SLIST_HEAD_INITIALIZER(head) \
{ NULL }
#define SLIST_ENTRY(type) \
struct { \
struct type *sle_next; /* next element */ \
}
#define SLIST_CLASS_ENTRY(type) \
struct { \
class type *sle_next; /* next element */ \
}
/*
* Singly-linked List functions.
*/
#define SLIST_EMPTY(head) ((head)->slh_first == NULL)
#define SLIST_FIRST(head) ((head)->slh_first)
#define SLIST_FOREACH(var, head, field) \
for ((var) = SLIST_FIRST((head)); \
(var); \
(var) = SLIST_NEXT((var), field))
#define SLIST_FOREACH_FROM(var, head, field) \
for ((var) = ((var) ? (var) : SLIST_FIRST((head))); \
(var); \
(var) = SLIST_NEXT((var), field))
#define SLIST_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = SLIST_FIRST((head)); \
(var) && ((tvar) = SLIST_NEXT((var), field), 1); \
(var) = (tvar))
#define SLIST_FOREACH_FROM_SAFE(var, head, field, tvar) \
for ((var) = ((var) ? (var) : SLIST_FIRST((head))); \
(var) && ((tvar) = SLIST_NEXT((var), field), 1); \
(var) = (tvar))
#define SLIST_FOREACH_PREVPTR(var, varp, head, field) \
for ((varp) = &SLIST_FIRST((head)); \
((var) = *(varp)) != NULL; \
(varp) = &SLIST_NEXT((var), field))
#define SLIST_INIT(head) do { \
SLIST_FIRST((head)) = NULL; \
} while (0)
#define SLIST_INSERT_AFTER(slistelm, elm, field) do { \
SLIST_NEXT((elm), field) = SLIST_NEXT((slistelm), field); \
SLIST_NEXT((slistelm), field) = (elm); \
} while (0)
#define SLIST_INSERT_HEAD(head, elm, field) do { \
SLIST_NEXT((elm), field) = SLIST_FIRST((head)); \
SLIST_FIRST((head)) = (elm); \
} while (0)
#define SLIST_NEXT(elm, field) ((elm)->field.sle_next)
#define SLIST_REMOVE(head, elm, type, field) do { \
QMD_SAVELINK(oldnext, (elm)->field.sle_next); \
if (SLIST_FIRST((head)) == (elm)) { \
SLIST_REMOVE_HEAD((head), field); \
} \
else { \
QUEUE_TYPEOF(type) *curelm = SLIST_FIRST(head); \
while (SLIST_NEXT(curelm, field) != (elm)) \
curelm = SLIST_NEXT(curelm, field); \
SLIST_REMOVE_AFTER(curelm, field); \
} \
TRASHIT(*oldnext); \
} while (0)
#define SLIST_REMOVE_AFTER(elm, field) do { \
SLIST_NEXT(elm, field) = \
SLIST_NEXT(SLIST_NEXT(elm, field), field); \
} while (0)
#define SLIST_REMOVE_HEAD(head, field) do { \
SLIST_FIRST((head)) = SLIST_NEXT(SLIST_FIRST((head)), field); \
} while (0)
#define SLIST_SWAP(head1, head2, type) do { \
QUEUE_TYPEOF(type) *swap_first = SLIST_FIRST(head1); \
SLIST_FIRST(head1) = SLIST_FIRST(head2); \
SLIST_FIRST(head2) = swap_first; \
} while (0)
/*
* Singly-linked Tail queue declarations.
*/
#define STAILQ_HEAD(name, type) \
struct name { \
struct type *stqh_first;/* first element */ \
struct type **stqh_last;/* addr of last next element */ \
}
#define STAILQ_CLASS_HEAD(name, type) \
struct name { \
class type *stqh_first; /* first element */ \
class type **stqh_last; /* addr of last next element */ \
}
#define STAILQ_HEAD_INITIALIZER(head) \
{ NULL, &(head).stqh_first }
#define STAILQ_ENTRY(type) \
struct { \
struct type *stqe_next; /* next element */ \
}
#define STAILQ_CLASS_ENTRY(type) \
struct { \
class type *stqe_next; /* next element */ \
}
/*
* Singly-linked Tail queue functions.
*/
#define STAILQ_CONCAT(head1, head2) do { \
if (!STAILQ_EMPTY((head2))) { \
*(head1)->stqh_last = (head2)->stqh_first; \
(head1)->stqh_last = (head2)->stqh_last; \
STAILQ_INIT((head2)); \
} \
} while (0)
#define STAILQ_EMPTY(head) ((head)->stqh_first == NULL)
#define STAILQ_FIRST(head) ((head)->stqh_first)
#define STAILQ_FOREACH(var, head, field) \
for((var) = STAILQ_FIRST((head)); \
(var); \
(var) = STAILQ_NEXT((var), field))
#define STAILQ_FOREACH_FROM(var, head, field) \
for ((var) = ((var) ? (var) : STAILQ_FIRST((head))); \
(var); \
(var) = STAILQ_NEXT((var), field))
#define STAILQ_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = STAILQ_FIRST((head)); \
(var) && ((tvar) = STAILQ_NEXT((var), field), 1); \
(var) = (tvar))
#define STAILQ_FOREACH_FROM_SAFE(var, head, field, tvar) \
for ((var) = ((var) ? (var) : STAILQ_FIRST((head))); \
(var) && ((tvar) = STAILQ_NEXT((var), field), 1); \
(var) = (tvar))
#define STAILQ_INIT(head) do { \
STAILQ_FIRST((head)) = NULL; \
(head)->stqh_last = &STAILQ_FIRST((head)); \
} while (0)
#define STAILQ_INSERT_AFTER(head, tqelm, elm, field) do { \
if ((STAILQ_NEXT((elm), field) = STAILQ_NEXT((tqelm), field)) == NULL)\
(head)->stqh_last = &STAILQ_NEXT((elm), field); \
STAILQ_NEXT((tqelm), field) = (elm); \
} while (0)
#define STAILQ_INSERT_HEAD(head, elm, field) do { \
if ((STAILQ_NEXT((elm), field) = STAILQ_FIRST((head))) == NULL) \
(head)->stqh_last = &STAILQ_NEXT((elm), field); \
STAILQ_FIRST((head)) = (elm); \
} while (0)
#define STAILQ_INSERT_TAIL(head, elm, field) do { \
STAILQ_NEXT((elm), field) = NULL; \
*(head)->stqh_last = (elm); \
(head)->stqh_last = &STAILQ_NEXT((elm), field); \
} while (0)
#define STAILQ_LAST(head, type, field) \
(STAILQ_EMPTY((head)) ? NULL : \
__containerof((head)->stqh_last, \
QUEUE_TYPEOF(type), field.stqe_next))
#define STAILQ_NEXT(elm, field) ((elm)->field.stqe_next)
#define STAILQ_REMOVE(head, elm, type, field) do { \
QMD_SAVELINK(oldnext, (elm)->field.stqe_next); \
if (STAILQ_FIRST((head)) == (elm)) { \
STAILQ_REMOVE_HEAD((head), field); \
} \
else { \
QUEUE_TYPEOF(type) *curelm = STAILQ_FIRST(head); \
while (STAILQ_NEXT(curelm, field) != (elm)) \
curelm = STAILQ_NEXT(curelm, field); \
STAILQ_REMOVE_AFTER(head, curelm, field); \
} \
TRASHIT(*oldnext); \
} while (0)
#define STAILQ_REMOVE_AFTER(head, elm, field) do { \
if ((STAILQ_NEXT(elm, field) = \
STAILQ_NEXT(STAILQ_NEXT(elm, field), field)) == NULL) \
(head)->stqh_last = &STAILQ_NEXT((elm), field); \
} while (0)
#define STAILQ_REMOVE_HEAD(head, field) do { \
if ((STAILQ_FIRST((head)) = \
STAILQ_NEXT(STAILQ_FIRST((head)), field)) == NULL) \
(head)->stqh_last = &STAILQ_FIRST((head)); \
} while (0)
#define STAILQ_SWAP(head1, head2, type) do { \
QUEUE_TYPEOF(type) *swap_first = STAILQ_FIRST(head1); \
QUEUE_TYPEOF(type) **swap_last = (head1)->stqh_last; \
STAILQ_FIRST(head1) = STAILQ_FIRST(head2); \
(head1)->stqh_last = (head2)->stqh_last; \
STAILQ_FIRST(head2) = swap_first; \
(head2)->stqh_last = swap_last; \
if (STAILQ_EMPTY(head1)) \
(head1)->stqh_last = &STAILQ_FIRST(head1); \
if (STAILQ_EMPTY(head2)) \
(head2)->stqh_last = &STAILQ_FIRST(head2); \
} while (0)
/*
* List declarations.
*/
#define LIST_HEAD(name, type) \
struct name { \
struct type *lh_first; /* first element */ \
}
#define LIST_CLASS_HEAD(name, type) \
struct name { \
class type *lh_first; /* first element */ \
}
#define LIST_HEAD_INITIALIZER(head) \
{ NULL }
#define LIST_ENTRY(type) \
struct { \
struct type *le_next; /* next element */ \
struct type **le_prev; /* address of previous next element */ \
}
#define LIST_CLASS_ENTRY(type) \
struct { \
class type *le_next; /* next element */ \
class type **le_prev; /* address of previous next element */ \
}
/*
* List functions.
*/
#if (defined(_KERNEL) && defined(INVARIANTS))
#define QMD_LIST_CHECK_HEAD(head, field) do { \
if (LIST_FIRST((head)) != NULL && \
LIST_FIRST((head))->field.le_prev != \
&LIST_FIRST((head))) \
panic("Bad list head %p first->prev != head", (head)); \
} while (0)
#define QMD_LIST_CHECK_NEXT(elm, field) do { \
if (LIST_NEXT((elm), field) != NULL && \
LIST_NEXT((elm), field)->field.le_prev != \
&((elm)->field.le_next)) \
panic("Bad link elm %p next->prev != elm", (elm)); \
} while (0)
#define QMD_LIST_CHECK_PREV(elm, field) do { \
if (*(elm)->field.le_prev != (elm)) \
panic("Bad link elm %p prev->next != elm", (elm)); \
} while (0)
#else
#define QMD_LIST_CHECK_HEAD(head, field)
#define QMD_LIST_CHECK_NEXT(elm, field)
#define QMD_LIST_CHECK_PREV(elm, field)
#endif /* (_KERNEL && INVARIANTS) */
#define LIST_EMPTY(head) ((head)->lh_first == NULL)
#define LIST_FIRST(head) ((head)->lh_first)
#define LIST_FOREACH(var, head, field) \
for ((var) = LIST_FIRST((head)); \
(var); \
(var) = LIST_NEXT((var), field))
#define LIST_FOREACH_FROM(var, head, field) \
for ((var) = ((var) ? (var) : LIST_FIRST((head))); \
(var); \
(var) = LIST_NEXT((var), field))
#define LIST_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = LIST_FIRST((head)); \
(var) && ((tvar) = LIST_NEXT((var), field), 1); \
(var) = (tvar))
#define LIST_FOREACH_FROM_SAFE(var, head, field, tvar) \
for ((var) = ((var) ? (var) : LIST_FIRST((head))); \
(var) && ((tvar) = LIST_NEXT((var), field), 1); \
(var) = (tvar))
#define LIST_INIT(head) do { \
LIST_FIRST((head)) = NULL; \
} while (0)
#define LIST_INSERT_AFTER(listelm, elm, field) do { \
QMD_LIST_CHECK_NEXT(listelm, field); \
if ((LIST_NEXT((elm), field) = LIST_NEXT((listelm), field)) != NULL)\
LIST_NEXT((listelm), field)->field.le_prev = \
&LIST_NEXT((elm), field); \
LIST_NEXT((listelm), field) = (elm); \
(elm)->field.le_prev = &LIST_NEXT((listelm), field); \
} while (0)
#define LIST_INSERT_BEFORE(listelm, elm, field) do { \
QMD_LIST_CHECK_PREV(listelm, field); \
(elm)->field.le_prev = (listelm)->field.le_prev; \
LIST_NEXT((elm), field) = (listelm); \
*(listelm)->field.le_prev = (elm); \
(listelm)->field.le_prev = &LIST_NEXT((elm), field); \
} while (0)
#define LIST_INSERT_HEAD(head, elm, field) do { \
QMD_LIST_CHECK_HEAD((head), field); \
if ((LIST_NEXT((elm), field) = LIST_FIRST((head))) != NULL) \
LIST_FIRST((head))->field.le_prev = &LIST_NEXT((elm), field);\
LIST_FIRST((head)) = (elm); \
(elm)->field.le_prev = &LIST_FIRST((head)); \
} while (0)
#define LIST_NEXT(elm, field) ((elm)->field.le_next)
#define LIST_PREV(elm, head, type, field) \
((elm)->field.le_prev == &LIST_FIRST((head)) ? NULL : \
__containerof((elm)->field.le_prev, \
QUEUE_TYPEOF(type), field.le_next))
#define LIST_REMOVE(elm, field) do { \
QMD_SAVELINK(oldnext, (elm)->field.le_next); \
QMD_SAVELINK(oldprev, (elm)->field.le_prev); \
QMD_LIST_CHECK_NEXT(elm, field); \
QMD_LIST_CHECK_PREV(elm, field); \
if (LIST_NEXT((elm), field) != NULL) \
LIST_NEXT((elm), field)->field.le_prev = \
(elm)->field.le_prev; \
*(elm)->field.le_prev = LIST_NEXT((elm), field); \
TRASHIT(*oldnext); \
TRASHIT(*oldprev); \
} while (0)
#define LIST_SWAP(head1, head2, type, field) do { \
QUEUE_TYPEOF(type) *swap_tmp = LIST_FIRST(head1); \
LIST_FIRST((head1)) = LIST_FIRST((head2)); \
LIST_FIRST((head2)) = swap_tmp; \
if ((swap_tmp = LIST_FIRST((head1))) != NULL) \
swap_tmp->field.le_prev = &LIST_FIRST((head1)); \
if ((swap_tmp = LIST_FIRST((head2))) != NULL) \
swap_tmp->field.le_prev = &LIST_FIRST((head2)); \
} while (0)
/*
* Tail queue declarations.
*/
#define TAILQ_HEAD(name, type) \
struct name { \
struct type *tqh_first; /* first element */ \
struct type **tqh_last; /* addr of last next element */ \
TRACEBUF \
}
#define TAILQ_CLASS_HEAD(name, type) \
struct name { \
class type *tqh_first; /* first element */ \
class type **tqh_last; /* addr of last next element */ \
TRACEBUF \
}
#define TAILQ_HEAD_INITIALIZER(head) \
{ NULL, &(head).tqh_first, TRACEBUF_INITIALIZER }
#define TAILQ_ENTRY(type) \
struct { \
struct type *tqe_next; /* next element */ \
struct type **tqe_prev; /* address of previous next element */ \
TRACEBUF \
}
#define TAILQ_CLASS_ENTRY(type) \
struct { \
class type *tqe_next; /* next element */ \
class type **tqe_prev; /* address of previous next element */ \
TRACEBUF \
}
/*
* Tail queue functions.
*/
#if (defined(_KERNEL) && defined(INVARIANTS))
#define QMD_TAILQ_CHECK_HEAD(head, field) do { \
if (!TAILQ_EMPTY(head) && \
TAILQ_FIRST((head))->field.tqe_prev != \
&TAILQ_FIRST((head))) \
panic("Bad tailq head %p first->prev != head", (head)); \
} while (0)
#define QMD_TAILQ_CHECK_TAIL(head, field) do { \
if (*(head)->tqh_last != NULL) \
panic("Bad tailq NEXT(%p->tqh_last) != NULL", (head)); \
} while (0)
#define QMD_TAILQ_CHECK_NEXT(elm, field) do { \
if (TAILQ_NEXT((elm), field) != NULL && \
TAILQ_NEXT((elm), field)->field.tqe_prev != \
&((elm)->field.tqe_next)) \
panic("Bad link elm %p next->prev != elm", (elm)); \
} while (0)
#define QMD_TAILQ_CHECK_PREV(elm, field) do { \
if (*(elm)->field.tqe_prev != (elm)) \
panic("Bad link elm %p prev->next != elm", (elm)); \
} while (0)
#else
#define QMD_TAILQ_CHECK_HEAD(head, field)
#define QMD_TAILQ_CHECK_TAIL(head, headname)
#define QMD_TAILQ_CHECK_NEXT(elm, field)
#define QMD_TAILQ_CHECK_PREV(elm, field)
#endif /* (_KERNEL && INVARIANTS) */
#define TAILQ_CONCAT(head1, head2, field) do { \
if (!TAILQ_EMPTY(head2)) { \
*(head1)->tqh_last = (head2)->tqh_first; \
(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last; \
(head1)->tqh_last = (head2)->tqh_last; \
TAILQ_INIT((head2)); \
QMD_TRACE_HEAD(head1); \
QMD_TRACE_HEAD(head2); \
} \
} while (0)
#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
#define TAILQ_FIRST(head) ((head)->tqh_first)
#define TAILQ_FOREACH(var, head, field) \
for ((var) = TAILQ_FIRST((head)); \
(var); \
(var) = TAILQ_NEXT((var), field))
#define TAILQ_FOREACH_FROM(var, head, field) \
for ((var) = ((var) ? (var) : TAILQ_FIRST((head))); \
(var); \
(var) = TAILQ_NEXT((var), field))
#define TAILQ_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = TAILQ_FIRST((head)); \
(var) && ((tvar) = TAILQ_NEXT((var), field), 1); \
(var) = (tvar))
#define TAILQ_FOREACH_FROM_SAFE(var, head, field, tvar) \
for ((var) = ((var) ? (var) : TAILQ_FIRST((head))); \
(var) && ((tvar) = TAILQ_NEXT((var), field), 1); \
(var) = (tvar))
#define TAILQ_FOREACH_REVERSE(var, head, headname, field) \
for ((var) = TAILQ_LAST((head), headname); \
(var); \
(var) = TAILQ_PREV((var), headname, field))
#define TAILQ_FOREACH_REVERSE_FROM(var, head, headname, field) \
for ((var) = ((var) ? (var) : TAILQ_LAST((head), headname)); \
(var); \
(var) = TAILQ_PREV((var), headname, field))
#define TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar) \
for ((var) = TAILQ_LAST((head), headname); \
(var) && ((tvar) = TAILQ_PREV((var), headname, field), 1); \
(var) = (tvar))
#define TAILQ_FOREACH_REVERSE_FROM_SAFE(var, head, headname, field, tvar) \
for ((var) = ((var) ? (var) : TAILQ_LAST((head), headname)); \
(var) && ((tvar) = TAILQ_PREV((var), headname, field), 1); \
(var) = (tvar))
#define TAILQ_INIT(head) do { \
TAILQ_FIRST((head)) = NULL; \
(head)->tqh_last = &TAILQ_FIRST((head)); \
QMD_TRACE_HEAD(head); \
} while (0)
#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do { \
QMD_TAILQ_CHECK_NEXT(listelm, field); \
if ((TAILQ_NEXT((elm), field) = TAILQ_NEXT((listelm), field)) != NULL)\
TAILQ_NEXT((elm), field)->field.tqe_prev = \
&TAILQ_NEXT((elm), field); \
else { \
(head)->tqh_last = &TAILQ_NEXT((elm), field); \
QMD_TRACE_HEAD(head); \
} \
TAILQ_NEXT((listelm), field) = (elm); \
(elm)->field.tqe_prev = &TAILQ_NEXT((listelm), field); \
QMD_TRACE_ELEM(&(elm)->field); \
QMD_TRACE_ELEM(&(listelm)->field); \
} while (0)
#define TAILQ_INSERT_BEFORE(listelm, elm, field) do { \
QMD_TAILQ_CHECK_PREV(listelm, field); \
(elm)->field.tqe_prev = (listelm)->field.tqe_prev; \
TAILQ_NEXT((elm), field) = (listelm); \
*(listelm)->field.tqe_prev = (elm); \
(listelm)->field.tqe_prev = &TAILQ_NEXT((elm), field); \
QMD_TRACE_ELEM(&(elm)->field); \
QMD_TRACE_ELEM(&(listelm)->field); \
} while (0)
#define TAILQ_INSERT_HEAD(head, elm, field) do { \
QMD_TAILQ_CHECK_HEAD(head, field); \
if ((TAILQ_NEXT((elm), field) = TAILQ_FIRST((head))) != NULL) \
TAILQ_FIRST((head))->field.tqe_prev = \
&TAILQ_NEXT((elm), field); \
else \
(head)->tqh_last = &TAILQ_NEXT((elm), field); \
TAILQ_FIRST((head)) = (elm); \
(elm)->field.tqe_prev = &TAILQ_FIRST((head)); \
QMD_TRACE_HEAD(head); \
QMD_TRACE_ELEM(&(elm)->field); \
} while (0)
#define TAILQ_INSERT_TAIL(head, elm, field) do { \
QMD_TAILQ_CHECK_TAIL(head, field); \
TAILQ_NEXT((elm), field) = NULL; \
(elm)->field.tqe_prev = (head)->tqh_last; \
*(head)->tqh_last = (elm); \
(head)->tqh_last = &TAILQ_NEXT((elm), field); \
QMD_TRACE_HEAD(head); \
QMD_TRACE_ELEM(&(elm)->field); \
} while (0)
#define TAILQ_LAST(head, headname) \
(*(((struct headname *)((head)->tqh_last))->tqh_last))
#define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next)
#define TAILQ_PREV(elm, headname, field) \
(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
#define TAILQ_REMOVE(head, elm, field) do { \
QMD_SAVELINK(oldnext, (elm)->field.tqe_next); \
QMD_SAVELINK(oldprev, (elm)->field.tqe_prev); \
QMD_TAILQ_CHECK_NEXT(elm, field); \
QMD_TAILQ_CHECK_PREV(elm, field); \
if ((TAILQ_NEXT((elm), field)) != NULL) \
TAILQ_NEXT((elm), field)->field.tqe_prev = \
(elm)->field.tqe_prev; \
else { \
(head)->tqh_last = (elm)->field.tqe_prev; \
QMD_TRACE_HEAD(head); \
} \
*(elm)->field.tqe_prev = TAILQ_NEXT((elm), field); \
TRASHIT(*oldnext); \
TRASHIT(*oldprev); \
QMD_TRACE_ELEM(&(elm)->field); \
} while (0)
#define TAILQ_SWAP(head1, head2, type, field) do { \
QUEUE_TYPEOF(type) *swap_first = (head1)->tqh_first; \
QUEUE_TYPEOF(type) **swap_last = (head1)->tqh_last; \
(head1)->tqh_first = (head2)->tqh_first; \
(head1)->tqh_last = (head2)->tqh_last; \
(head2)->tqh_first = swap_first; \
(head2)->tqh_last = swap_last; \
if ((swap_first = (head1)->tqh_first) != NULL) \
swap_first->field.tqe_prev = &(head1)->tqh_first; \
else \
(head1)->tqh_last = &(head1)->tqh_first; \
if ((swap_first = (head2)->tqh_first) != NULL) \
swap_first->field.tqe_prev = &(head2)->tqh_first; \
else \
(head2)->tqh_last = &(head2)->tqh_first; \
} while (0)
#endif /* !_SYS_QUEUE_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_features.h"
#endif
#ifndef CS_MONGOOSE_SRC_FEATURES_H_
#define CS_MONGOOSE_SRC_FEATURES_H_
#ifndef MG_DISABLE_HTTP_DIGEST_AUTH
#define MG_DISABLE_HTTP_DIGEST_AUTH 0
#endif
#ifndef MG_DISABLE_HTTP_KEEP_ALIVE
#define MG_DISABLE_HTTP_KEEP_ALIVE 0
#endif
#ifndef MG_DISABLE_PFS
#define MG_DISABLE_PFS 0
#endif
#ifndef MG_DISABLE_WS_RANDOM_MASK
#define MG_DISABLE_WS_RANDOM_MASK 0
#endif
#ifndef MG_ENABLE_ASYNC_RESOLVER
#define MG_ENABLE_ASYNC_RESOLVER 1
#endif
#ifndef MG_ENABLE_BROADCAST
#define MG_ENABLE_BROADCAST 0
#endif
#ifndef MG_ENABLE_COAP
#define MG_ENABLE_COAP 0
#endif
#ifndef MG_ENABLE_DEBUG
#define MG_ENABLE_DEBUG 0
#endif
#ifndef MG_ENABLE_DIRECTORY_LISTING
#define MG_ENABLE_DIRECTORY_LISTING 0
#endif
#ifndef MG_ENABLE_DNS
#define MG_ENABLE_DNS 1
#endif
#ifndef MG_ENABLE_DNS_SERVER
#define MG_ENABLE_DNS_SERVER 0
#endif
#ifndef MG_ENABLE_FAKE_DAVLOCK
#define MG_ENABLE_FAKE_DAVLOCK 0
#endif
#ifndef MG_ENABLE_FILESYSTEM
#define MG_ENABLE_FILESYSTEM 0
#endif
#ifndef MG_ENABLE_GETADDRINFO
#define MG_ENABLE_GETADDRINFO 0
#endif
#ifndef MG_ENABLE_HEXDUMP
#define MG_ENABLE_HEXDUMP CS_ENABLE_STDIO
#endif
#ifndef MG_ENABLE_HTTP
#define MG_ENABLE_HTTP 1
#endif
#ifndef MG_ENABLE_HTTP_CGI
#define MG_ENABLE_HTTP_CGI 0
#endif
#ifndef MG_ENABLE_HTTP_SSI
#define MG_ENABLE_HTTP_SSI MG_ENABLE_FILESYSTEM
#endif
#ifndef MG_ENABLE_HTTP_SSI_EXEC
#define MG_ENABLE_HTTP_SSI_EXEC 0
#endif
#ifndef MG_ENABLE_HTTP_STREAMING_MULTIPART
#define MG_ENABLE_HTTP_STREAMING_MULTIPART 0
#endif
#ifndef MG_ENABLE_HTTP_WEBDAV
#define MG_ENABLE_HTTP_WEBDAV 0
#endif
#ifndef MG_ENABLE_HTTP_WEBSOCKET
#define MG_ENABLE_HTTP_WEBSOCKET MG_ENABLE_HTTP
#endif
#ifndef MG_ENABLE_IPV6
#define MG_ENABLE_IPV6 0
#endif
#ifndef MG_ENABLE_MQTT
#define MG_ENABLE_MQTT 1
#endif
#ifndef MG_ENABLE_SOCKS
#define MG_ENABLE_SOCKS 0
#endif
#ifndef MG_ENABLE_MQTT_BROKER
#define MG_ENABLE_MQTT_BROKER 0
#endif
#ifndef MG_ENABLE_SSL
#define MG_ENABLE_SSL 0
#endif
#ifndef MG_ENABLE_SYNC_RESOLVER
#define MG_ENABLE_SYNC_RESOLVER 0
#endif
#ifndef MG_ENABLE_STDIO
#define MG_ENABLE_STDIO CS_ENABLE_STDIO
#endif
#ifndef MG_NET_IF
#define MG_NET_IF MG_NET_IF_SOCKET
#endif
#ifndef MG_SSL_IF
#define MG_SSL_IF MG_SSL_IF_OPENSSL
#endif
#ifndef MG_ENABLE_THREADS /* ifdef-ok */
#ifdef _WIN32
#define MG_ENABLE_THREADS 1
#else
#define MG_ENABLE_THREADS 0
#endif
#endif
#if MG_ENABLE_DEBUG && !defined(CS_ENABLE_DEBUG)
#define CS_ENABLE_DEBUG 1
#endif
/* MQTT broker requires MQTT */
#if MG_ENABLE_MQTT_BROKER && !MG_ENABLE_MQTT
#undef MG_ENABLE_MQTT
#define MG_ENABLE_MQTT 1
#endif
#ifndef MG_ENABLE_HTTP_URL_REWRITES
#define MG_ENABLE_HTTP_URL_REWRITES \
(CS_PLATFORM == CS_P_WINDOWS || CS_PLATFORM == CS_P_UNIX)
#endif
#ifndef MG_ENABLE_SNTP
#define MG_ENABLE_SNTP 0
#endif
#ifndef MG_ENABLE_EXTRA_ERRORS_DESC
#define MG_ENABLE_EXTRA_ERRORS_DESC 0
#endif
#ifndef MG_ENABLE_CALLBACK_USERDATA
#define MG_ENABLE_CALLBACK_USERDATA 0
#endif
#if MG_ENABLE_CALLBACK_USERDATA
#define MG_UD_ARG(ud) , ud
#define MG_CB(cb, ud) cb, ud
#else
#define MG_UD_ARG(ud)
#define MG_CB(cb, ud) cb
#endif
#endif /* CS_MONGOOSE_SRC_FEATURES_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_net_if.h"
#endif
#ifndef CS_MONGOOSE_SRC_NET_IF_H_
#define CS_MONGOOSE_SRC_NET_IF_H_
/* Amalgamated: #include "common/platform.h" */
/*
* Internal async networking core interface.
* Consists of calls made by the core, which should not block,
* and callbacks back into the core ("..._cb").
* Callbacks may (will) cause methods to be invoked from within,
* but methods are not allowed to invoke callbacks inline.
*
* Implementation must ensure that only one callback is invoked at any time.
*/
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define MG_MAIN_IFACE 0
struct mg_mgr;
struct mg_connection;
union socket_address;
struct mg_iface_vtable;
struct mg_iface {
struct mg_mgr *mgr;
void *data; /* Implementation-specific data */
const struct mg_iface_vtable *vtable;
};
struct mg_iface_vtable {
void (*init)(struct mg_iface *iface);
void (*free)(struct mg_iface *iface);
void (*add_conn)(struct mg_connection *nc);
void (*remove_conn)(struct mg_connection *nc);
time_t (*poll)(struct mg_iface *iface, int timeout_ms);
/* Set up a listening TCP socket on a given address. rv = 0 -> ok. */
int (*listen_tcp)(struct mg_connection *nc, union socket_address *sa);
/* Request that a "listening" UDP socket be created. */
int (*listen_udp)(struct mg_connection *nc, union socket_address *sa);
/* Request that a TCP connection is made to the specified address. */
void (*connect_tcp)(struct mg_connection *nc, const union socket_address *sa);
/* Open a UDP socket. Doesn't actually connect anything. */
void (*connect_udp)(struct mg_connection *nc);
/* Send functions for TCP and UDP. Sent data is copied before return. */
int (*tcp_send)(struct mg_connection *nc, const void *buf, size_t len);
int (*udp_send)(struct mg_connection *nc, const void *buf, size_t len);
int (*tcp_recv)(struct mg_connection *nc, void *buf, size_t len);
int (*udp_recv)(struct mg_connection *nc, void *buf, size_t len,
union socket_address *sa, size_t *sa_len);
/* Perform interface-related connection initialization. Return 1 on ok. */
int (*create_conn)(struct mg_connection *nc);
/* Perform interface-related cleanup on connection before destruction. */
void (*destroy_conn)(struct mg_connection *nc);
/* Associate a socket to a connection. */
void (*sock_set)(struct mg_connection *nc, sock_t sock);
/* Put connection's address into *sa, local (remote = 0) or remote. */
void (*get_conn_addr)(struct mg_connection *nc, int remote,
union socket_address *sa);
};
extern const struct mg_iface_vtable *mg_ifaces[];
extern int mg_num_ifaces;
/* Creates a new interface instance. */
struct mg_iface *mg_if_create_iface(const struct mg_iface_vtable *vtable,
struct mg_mgr *mgr);
/*
* Find an interface with a given implementation. The search is started from
* interface `from`, exclusive. Returns NULL if none is found.
*/
struct mg_iface *mg_find_iface(struct mg_mgr *mgr,
const struct mg_iface_vtable *vtable,
struct mg_iface *from);
/*
* Deliver a new TCP connection. Returns NULL in case on error (unable to
* create connection, in which case interface state should be discarded.
* This is phase 1 of the two-phase process - MG_EV_ACCEPT will be delivered
* when mg_if_accept_tcp_cb is invoked.
*/
struct mg_connection *mg_if_accept_new_conn(struct mg_connection *lc);
void mg_if_accept_tcp_cb(struct mg_connection *nc, union socket_address *sa,
size_t sa_len);
/* Callback invoked by connect methods. err = 0 -> ok, != 0 -> error. */
void mg_if_connect_cb(struct mg_connection *nc, int err);
/*
* Callback that tells the core that data can be received.
* Core will use tcp/udp_recv to retrieve the data.
*/
void mg_if_can_recv_cb(struct mg_connection *nc);
void mg_if_can_send_cb(struct mg_connection *nc);
/*
* Receive callback.
* buf must be heap-allocated and ownership is transferred to the core.
*/
void mg_if_recv_udp_cb(struct mg_connection *nc, void *buf, int len,
union socket_address *sa, size_t sa_len);
/* void mg_if_close_conn(struct mg_connection *nc); */
/* Deliver a POLL event to the connection. */
int mg_if_poll(struct mg_connection *nc, double now);
/*
* Return minimal timer value amoung connections in the manager.
* Returns 0 if there aren't any timers.
*/
double mg_mgr_min_timer(const struct mg_mgr *mgr);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_MONGOOSE_SRC_NET_IF_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_ssl_if.h"
#endif
#ifndef CS_MONGOOSE_SRC_SSL_IF_H_
#define CS_MONGOOSE_SRC_SSL_IF_H_
#if MG_ENABLE_SSL
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct mg_ssl_if_ctx;
struct mg_connection;
void mg_ssl_if_init(void);
enum mg_ssl_if_result {
MG_SSL_OK = 0,
MG_SSL_WANT_READ = -1,
MG_SSL_WANT_WRITE = -2,
MG_SSL_ERROR = -3,
};
struct mg_ssl_if_conn_params {
const char *cert;
const char *key;
const char *ca_cert;
const char *server_name;
const char *cipher_suites;
const char *psk_identity;
const char *psk_key;
};
enum mg_ssl_if_result mg_ssl_if_conn_init(
struct mg_connection *nc, const struct mg_ssl_if_conn_params *params,
const char **err_msg);
enum mg_ssl_if_result mg_ssl_if_conn_accept(struct mg_connection *nc,
struct mg_connection *lc);
void mg_ssl_if_conn_close_notify(struct mg_connection *nc);
void mg_ssl_if_conn_free(struct mg_connection *nc);
enum mg_ssl_if_result mg_ssl_if_handshake(struct mg_connection *nc);
int mg_ssl_if_read(struct mg_connection *nc, void *buf, size_t buf_size);
int mg_ssl_if_write(struct mg_connection *nc, const void *data, size_t len);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* MG_ENABLE_SSL */
#endif /* CS_MONGOOSE_SRC_SSL_IF_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_net.h"
#endif
/*
* === Core API: TCP/UDP/SSL
*
* NOTE: Mongoose manager is single threaded. It does not protect
* its data structures by mutexes, therefore all functions that are dealing
* with a particular event manager should be called from the same thread,
* with exception of the `mg_broadcast()` function. It is fine to have different
* event managers handled by different threads.
*/
#ifndef CS_MONGOOSE_SRC_NET_H_
#define CS_MONGOOSE_SRC_NET_H_
/* Amalgamated: #include "mg_common.h" */
/* Amalgamated: #include "mg_net_if.h" */
/* Amalgamated: #include "common/mbuf.h" */
#ifndef MG_VPRINTF_BUFFER_SIZE
#define MG_VPRINTF_BUFFER_SIZE 100
#endif
#ifdef MG_USE_READ_WRITE
#define MG_RECV_FUNC(s, b, l, f) read(s, b, l)
#define MG_SEND_FUNC(s, b, l, f) write(s, b, l)
#else
#define MG_RECV_FUNC(s, b, l, f) recv(s, b, l, f)
#define MG_SEND_FUNC(s, b, l, f) send(s, b, l, f)
#endif
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
union socket_address {
struct sockaddr sa;
struct sockaddr_in sin;
#if MG_ENABLE_IPV6
struct sockaddr_in6 sin6;
#else
struct sockaddr sin6;
#endif
};
struct mg_connection;
/*
* Callback function (event handler) prototype. Must be defined by the user.
* Mongoose calls the event handler, passing the events defined below.
*/
typedef void (*mg_event_handler_t)(struct mg_connection *nc, int ev,
void *ev_data MG_UD_ARG(void *user_data));
/* Events. Meaning of event parameter (evp) is given in the comment. */
#define MG_EV_POLL 0 /* Sent to each connection on each mg_mgr_poll() call */
#define MG_EV_ACCEPT 1 /* New connection accepted. union socket_address * */
#define MG_EV_CONNECT 2 /* connect() succeeded or failed. int * */
#define MG_EV_RECV 3 /* Data has been received. int *num_bytes */
#define MG_EV_SEND 4 /* Data has been written to a socket. int *num_bytes */
#define MG_EV_CLOSE 5 /* Connection is closed. NULL */
#define MG_EV_TIMER 6 /* now >= conn->ev_timer_time. double * */
/*
* Mongoose event manager.
*/
struct mg_mgr {
struct mg_connection *active_connections;
#if MG_ENABLE_HEXDUMP
const char *hexdump_file; /* Debug hexdump file path */
#endif
#if MG_ENABLE_BROADCAST
sock_t ctl[2]; /* Socketpair for mg_broadcast() */
#endif
void *user_data; /* User data */
int num_ifaces;
int num_calls;
struct mg_iface **ifaces; /* network interfaces */
const char *nameserver; /* DNS server to use */
};
/*
* Mongoose connection.
*/
struct mg_connection {
struct mg_connection *next, *prev; /* mg_mgr::active_connections linkage */
struct mg_connection *listener; /* Set only for accept()-ed connections */
struct mg_mgr *mgr; /* Pointer to containing manager */
sock_t sock; /* Socket to the remote peer */
int err;
union socket_address sa; /* Remote peer address */
size_t recv_mbuf_limit; /* Max size of recv buffer */
struct mbuf recv_mbuf; /* Received data */
struct mbuf send_mbuf; /* Data scheduled for sending */
time_t last_io_time; /* Timestamp of the last socket IO */
double ev_timer_time; /* Timestamp of the future MG_EV_TIMER */
mg_event_handler_t proto_handler; /* Protocol-specific event handler */
void *proto_data; /* Protocol-specific data */
void (*proto_data_destructor)(void *proto_data);
mg_event_handler_t handler; /* Event handler function */
void *user_data; /* User-specific data */
union {
void *v;
/*
* the C standard is fussy about fitting function pointers into
* void pointers, since some archs might have fat pointers for functions.
*/
mg_event_handler_t f;
} priv_1;
void *priv_2;
void *mgr_data; /* Implementation-specific event manager's data. */
struct mg_iface *iface;
unsigned long flags;
/* Flags set by Mongoose */
#define MG_F_LISTENING (1 << 0) /* This connection is listening */
#define MG_F_UDP (1 << 1) /* This connection is UDP */
#define MG_F_RESOLVING (1 << 2) /* Waiting for async resolver */
#define MG_F_CONNECTING (1 << 3) /* connect() call in progress */
#define MG_F_SSL (1 << 4) /* SSL is enabled on the connection */
#define MG_F_SSL_HANDSHAKE_DONE (1 << 5) /* SSL hanshake has completed */
#define MG_F_WANT_READ (1 << 6) /* SSL specific */
#define MG_F_WANT_WRITE (1 << 7) /* SSL specific */
#define MG_F_IS_WEBSOCKET (1 << 8) /* Websocket specific */
#define MG_F_RECV_AND_CLOSE (1 << 9) /* Drain rx and close the connection. */
/* Flags that are settable by user */
#define MG_F_SEND_AND_CLOSE (1 << 10) /* Push remaining data and close */
#define MG_F_CLOSE_IMMEDIATELY (1 << 11) /* Disconnect */
/* Flags for protocol handlers */
#define MG_F_PROTO_1 (1 << 12)
#define MG_F_PROTO_2 (1 << 13)
#define MG_F_ENABLE_BROADCAST (1 << 14) /* Allow broadcast address usage */
/* Flags left for application */
#define MG_F_USER_1 (1 << 20)
#define MG_F_USER_2 (1 << 21)
#define MG_F_USER_3 (1 << 22)
#define MG_F_USER_4 (1 << 23)
#define MG_F_USER_5 (1 << 24)
#define MG_F_USER_6 (1 << 25)
#if MG_ENABLE_SSL
void *ssl_if_data; /* SSL library data. */
#else
void *unused_ssl_if_data; /* To keep the size of the structure the same. */
#endif
};
/*
* Initialise Mongoose manager. Side effect: ignores SIGPIPE signal.
* `mgr->user_data` field will be initialised with a `user_data` parameter.
* That is an arbitrary pointer, where the user code can associate some data
* with the particular Mongoose manager. For example, a C++ wrapper class
* could be written in which case `user_data` can hold a pointer to the
* class instance.
*/
void mg_mgr_init(struct mg_mgr *mgr, void *user_data);
/*
* Optional parameters to `mg_mgr_init_opt()`.
*
* If `main_iface` is not NULL, it will be used as the main interface in the
* default interface set. The pointer will be free'd by `mg_mgr_free`.
* Otherwise, the main interface will be autodetected based on the current
* platform.
*
* If `num_ifaces` is 0 and `ifaces` is NULL, the default interface set will be
* used.
* This is an advanced option, as it requires you to construct a full interface
* set, including special networking interfaces required by some optional
* features such as TCP tunneling. Memory backing `ifaces` and each of the
* `num_ifaces` pointers it contains will be reclaimed by `mg_mgr_free`.
*/
struct mg_mgr_init_opts {
const struct mg_iface_vtable *main_iface;
int num_ifaces;
const struct mg_iface_vtable **ifaces;
const char *nameserver;
};
/*
* Like `mg_mgr_init` but with more options.
*
* Notably, this allows you to create a manger and choose
* dynamically which networking interface implementation to use.
*/
void mg_mgr_init_opt(struct mg_mgr *mgr, void *user_data,
struct mg_mgr_init_opts opts);
/*
* De-initialises Mongoose manager.
*
* Closes and deallocates all active connections.
*/
void mg_mgr_free(struct mg_mgr *mgr);
/*
* This function performs the actual IO and must be called in a loop
* (an event loop). It returns number of user events generated (except POLLs).
* `milli` is the maximum number of milliseconds to sleep.
* `mg_mgr_poll()` checks all connections for IO readiness. If at least one
* of the connections is IO-ready, `mg_mgr_poll()` triggers the respective
* event handlers and returns.
*/
int mg_mgr_poll(struct mg_mgr *mgr, int milli);
#if MG_ENABLE_BROADCAST
/*
* Passes a message of a given length to all connections.
*
* Must be called from a thread that does NOT call `mg_mgr_poll()`.
* Note that `mg_broadcast()` is the only function
* that can be, and must be, called from a different (non-IO) thread.
*
* `func` callback function will be called by the IO thread for each
* connection. When called, the event will be `MG_EV_POLL`, and a message will
* be passed as the `ev_data` pointer. Maximum message size is capped
* by `MG_CTL_MSG_MESSAGE_SIZE` which is set to 8192 bytes by default.
*/
void mg_broadcast(struct mg_mgr *mgr, mg_event_handler_t cb, void *data,
size_t len);
#endif
/*
* Iterates over all active connections.
*
* Returns the next connection from the list
* of active connections or `NULL` if there are no more connections. Below
* is the iteration idiom:
*
* ```c
* for (c = mg_next(srv, NULL); c != NULL; c = mg_next(srv, c)) {
* // Do something with connection `c`
* }
* ```
*/
struct mg_connection *mg_next(struct mg_mgr *mgr, struct mg_connection *c);
/*
* Optional parameters to `mg_add_sock_opt()`.
*
* `flags` is an initial `struct mg_connection::flags` bitmask to set,
* see `MG_F_*` flags definitions.
*/
struct mg_add_sock_opts {
void *user_data; /* Initial value for connection's user_data */
unsigned int flags; /* Initial connection flags */
const char **error_string; /* Placeholder for the error string */
struct mg_iface *iface; /* Interface instance */
};
/*
* Creates a connection, associates it with the given socket and event handler
* and adds it to the manager.
*
* For more options see the `mg_add_sock_opt` variant.
*/
struct mg_connection *mg_add_sock(struct mg_mgr *mgr, sock_t sock,
MG_CB(mg_event_handler_t handler,
void *user_data));
/*
* Creates a connection, associates it with the given socket and event handler
* and adds to the manager.
*
* See the `mg_add_sock_opts` structure for a description of the options.
*/
struct mg_connection *mg_add_sock_opt(struct mg_mgr *mgr, sock_t sock,
MG_CB(mg_event_handler_t handler,
void *user_data),
struct mg_add_sock_opts opts);
/*
* Optional parameters to `mg_bind_opt()`.
*
* `flags` is an initial `struct mg_connection::flags` bitmask to set,
* see `MG_F_*` flags definitions.
*/
struct mg_bind_opts {
void *user_data; /* Initial value for connection's user_data */
unsigned int flags; /* Extra connection flags */
const char **error_string; /* Placeholder for the error string */
struct mg_iface *iface; /* Interface instance */
#if MG_ENABLE_SSL
/*
* SSL settings.
*
* Server certificate to present to clients or client certificate to
* present to tunnel dispatcher (for tunneled connections).
*/
const char *ssl_cert;
/* Private key corresponding to the certificate. If ssl_cert is set but
* ssl_key is not, ssl_cert is used. */
const char *ssl_key;
/* CA bundle used to verify client certificates or tunnel dispatchers. */
const char *ssl_ca_cert;
/* Colon-delimited list of acceptable cipher suites.
* Names depend on the library used, for example:
*
* ECDH-ECDSA-AES128-GCM-SHA256:DHE-RSA-AES128-SHA256 (OpenSSL)
* TLS-ECDH-ECDSA-WITH-AES-128-GCM-SHA256:TLS-DHE-RSA-WITH-AES-128-GCM-SHA256
* (mbedTLS)
*
* For OpenSSL the list can be obtained by running "openssl ciphers".
* For mbedTLS, names can be found in library/ssl_ciphersuites.c
* If NULL, a reasonable default is used.
*/
const char *ssl_cipher_suites;
#endif
};
/*
* Creates a listening connection.
*
* See `mg_bind_opt` for full documentation.
*/
struct mg_connection *mg_bind(struct mg_mgr *mgr, const char *address,
MG_CB(mg_event_handler_t handler,
void *user_data));
/*
* Creates a listening connection.
*
* The `address` parameter specifies which address to bind to. It's format is
* the same as for the `mg_connect()` call, where `HOST` part is optional.
* `address` can be just a port number, e.g. `:8000`. To bind to a specific
* interface, an IP address can be specified, e.g. `1.2.3.4:8000`. By default,
* a TCP connection is created. To create UDP connection, prepend `udp://`
* prefix, e.g. `udp://:8000`. To summarize, `address` parameter has following
* format: `[PROTO://][IP_ADDRESS]:PORT`, where `PROTO` could be `tcp` or
* `udp`.
*
* See the `mg_bind_opts` structure for a description of the optional
* parameters.
*
* Returns a new listening connection or `NULL` on error.
* NOTE: The connection remains owned by the manager, do not free().
*/
struct mg_connection *mg_bind_opt(struct mg_mgr *mgr, const char *address,
MG_CB(mg_event_handler_t handler,
void *user_data),
struct mg_bind_opts opts);
/* Optional parameters to `mg_connect_opt()` */
struct mg_connect_opts {
void *user_data; /* Initial value for connection's user_data */
unsigned int flags; /* Extra connection flags */
const char **error_string; /* Placeholder for the error string */
struct mg_iface *iface; /* Interface instance */
const char *nameserver; /* DNS server to use, NULL for default */
#if MG_ENABLE_SSL
/*
* SSL settings.
* Client certificate to present to the server.
*/
const char *ssl_cert;
/*
* Private key corresponding to the certificate.
* If ssl_cert is set but ssl_key is not, ssl_cert is used.
*/
const char *ssl_key;
/*
* Verify server certificate using this CA bundle. If set to "*", then SSL
* is enabled but no cert verification is performed.
*/
const char *ssl_ca_cert;
/* Colon-delimited list of acceptable cipher suites.
* Names depend on the library used, for example:
*
* ECDH-ECDSA-AES128-GCM-SHA256:DHE-RSA-AES128-SHA256 (OpenSSL)
* TLS-ECDH-ECDSA-WITH-AES-128-GCM-SHA256:TLS-DHE-RSA-WITH-AES-128-GCM-SHA256
* (mbedTLS)
*
* For OpenSSL the list can be obtained by running "openssl ciphers".
* For mbedTLS, names can be found in library/ssl_ciphersuites.c
* If NULL, a reasonable default is used.
*/
const char *ssl_cipher_suites;
/*
* Server name verification. If ssl_ca_cert is set and the certificate has
* passed verification, its subject will be verified against this string.
* By default (if ssl_server_name is NULL) hostname part of the address will
* be used. Wildcard matching is supported. A special value of "*" disables
* name verification.
*/
const char *ssl_server_name;
/*
* PSK identity and key. Identity is a NUL-terminated string and key is a hex
* string. Key must be either 16 or 32 bytes (32 or 64 hex digits) for AES-128
* or AES-256 respectively.
* Note: Default list of cipher suites does not include PSK suites, if you
* want to use PSK you will need to set ssl_cipher_suites as well.
*/
const char *ssl_psk_identity;
const char *ssl_psk_key;
#else
/* Ensure struct size remains the same. */
const char *unused_ssl_cert;
const char *unused_ssl_key;
const char *unused_ssl_ca_cert;
const char *unused_ssl_cipher_suites;
const char *unused_ssl_server_name;
const char *unused_ssl_psk_identity;
const char *unused_ssl_psk_key;
#endif
};
/*
* Connects to a remote host.
*
* See `mg_connect_opt()` for full documentation.
*/
struct mg_connection *mg_connect(struct mg_mgr *mgr, const char *address,
MG_CB(mg_event_handler_t handler,
void *user_data));
/*
* Connects to a remote host.
*
* The `address` format is `[PROTO://]HOST:PORT`. `PROTO` could be `tcp` or
* `udp`. `HOST` could be an IP address,
* IPv6 address (if Mongoose is compiled with `-DMG_ENABLE_IPV6`) or a host
* name. If `HOST` is a name, Mongoose will resolve it asynchronously. Examples
* of valid addresses: `google.com:80`, `udp://1.2.3.4:53`, `10.0.0.1:443`,
* `[::1]:80`
*
* See the `mg_connect_opts` structure for a description of the optional
* parameters.
*
* Returns a new outbound connection or `NULL` on error.
*
* NOTE: The connection remains owned by the manager, do not free().
*
* NOTE: To enable IPv6 addresses `-DMG_ENABLE_IPV6` should be specified
* in the compilation flags.
*
* NOTE: The new connection will receive `MG_EV_CONNECT` as its first event
* which will report the connect success status.
* If the asynchronous resolution fails or the `connect()` syscall fails for
* whatever reason (e.g. with `ECONNREFUSED` or `ENETUNREACH`), then
* `MG_EV_CONNECT` event will report failure. Code example below:
*
* ```c
* static void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
* int connect_status;
*
* switch (ev) {
* case MG_EV_CONNECT:
* connect_status = * (int *) ev_data;
* if (connect_status == 0) {
* // Success
* } else {
* // Error
* printf("connect() error: %s\n", strerror(connect_status));
* }
* break;
* ...
* }
* }
*
* ...
* mg_connect(mgr, "my_site.com:80", ev_handler);
* ```
*/
struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address,
MG_CB(mg_event_handler_t handler,
void *user_data),
struct mg_connect_opts opts);
#if MG_ENABLE_SSL && MG_NET_IF != MG_NET_IF_SIMPLELINK
/*
* Note: This function is deprecated. Please, use SSL options in
* mg_connect_opt.
*
* Enables SSL for a given connection.
* `cert` is a server certificate file name for a listening connection
* or a client certificate file name for an outgoing connection.
* The certificate files must be in PEM format. The server certificate file
* must contain a certificate, concatenated with a private key, optionally
* concatenated with DH parameters.
* `ca_cert` is a CA certificate or NULL if peer verification is not
* required.
* Return: NULL on success or error message on error.
*/
const char *mg_set_ssl(struct mg_connection *nc, const char *cert,
const char *ca_cert);
#endif
/*
* Sends data to the connection.
*
* Note that sending functions do not actually push data to the socket.
* They just append data to the output buffer. MG_EV_SEND will be delivered when
* the data has actually been pushed out.
*/
void mg_send(struct mg_connection *, const void *buf, int len);
/* Enables format string warnings for mg_printf */
#if defined(__GNUC__)
__attribute__((format(printf, 2, 3)))
#endif
/* don't separate from mg_printf declaration */
/*
* Sends `printf`-style formatted data to the connection.
*
* See `mg_send` for more details on send semantics.
*/
int mg_printf(struct mg_connection *, const char *fmt, ...);
/* Same as `mg_printf()`, but takes `va_list ap` as an argument. */
int mg_vprintf(struct mg_connection *, const char *fmt, va_list ap);
/*
* Creates a socket pair.
* `sock_type` can be either `SOCK_STREAM` or `SOCK_DGRAM`.
* Returns 0 on failure and 1 on success.
*/
int mg_socketpair(sock_t[2], int sock_type);
#if MG_ENABLE_SYNC_RESOLVER
/*
* Convert domain name into IP address.
*
* This is a utility function. If compilation flags have
* `-DMG_ENABLE_GETADDRINFO`, then `getaddrinfo()` call is used for name
* resolution. Otherwise, `gethostbyname()` is used.
*
* CAUTION: this function can block.
* Return 1 on success, 0 on failure.
*/
int mg_resolve(const char *domain_name, char *ip_addr_buf, size_t buf_len);
#endif
/*
* Verify given IP address against the ACL.
*
* `remote_ip` - an IPv4 address to check, in host byte order
* `acl` - a comma separated list of IP subnets: `x.x.x.x/x` or `x.x.x.x`.
* Each subnet is
* prepended by either a - or a + sign. A plus sign means allow, where a
* minus sign means deny. If a subnet mask is omitted, such as `-1.2.3.4`,
* it means that only that single IP address is denied.
* Subnet masks may vary from 0 to 32, inclusive. The default setting
* is to allow all access. On each request the full list is traversed,
* and the last match wins. Example:
*
* `-0.0.0.0/0,+192.168/16` - deny all accesses, only allow 192.168/16 subnet
*
* To learn more about subnet masks, see this
* link:https://en.wikipedia.org/wiki/Subnetwork[Wikipedia page on Subnetwork].
*
* Returns -1 if ACL is malformed, 0 if address is disallowed, 1 if allowed.
*/
int mg_check_ip_acl(const char *acl, uint32_t remote_ip);
/*
* Schedules an MG_EV_TIMER event to be delivered at `timestamp` time.
* `timestamp` is UNIX time (the number of seconds since Epoch). It is
* `double` instead of `time_t` to allow for sub-second precision.
* Returns the old timer value.
*
* Example: set the connect timeout to 1.5 seconds:
*
* ```
* c = mg_connect(&mgr, "cesanta.com", ev_handler);
* mg_set_timer(c, mg_time() + 1.5);
* ...
*
* void ev_handler(struct mg_connection *c, int ev, void *ev_data) {
* switch (ev) {
* case MG_EV_CONNECT:
* mg_set_timer(c, 0); // Clear connect timer
* break;
* case MG_EV_TIMER:
* log("Connect timeout");
* c->flags |= MG_F_CLOSE_IMMEDIATELY;
* break;
* ```
*/
double mg_set_timer(struct mg_connection *c, double timestamp);
/*
* A sub-second precision version of time().
*/
double mg_time(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_MONGOOSE_SRC_NET_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_uri.h"
#endif
/*
* === URI
*/
#ifndef CS_MONGOOSE_SRC_URI_H_
#define CS_MONGOOSE_SRC_URI_H_
/* Amalgamated: #include "mg_net.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* Parses an URI and fills string chunks with locations of the respective
* uri components within the input uri string. NULL pointers will be
* ignored.
*
* General syntax:
*
* [scheme://[user_info@]]host[:port][/path][?query][#fragment]
*
* Example:
*
* foo.com:80
* tcp://foo.com:1234
* http://foo.com:80/bar?baz=1
* https://user:pw@foo.com:443/blah
*
* `path` will include the leading slash. `query` won't include the leading `?`.
* `host` can contain embedded colons if surrounded by square brackets in order
* to support IPv6 literal addresses.
*
*
* Returns 0 on success, -1 on error.
*/
int mg_parse_uri(const struct mg_str uri, struct mg_str *scheme,
struct mg_str *user_info, struct mg_str *host,
unsigned int *port, struct mg_str *path, struct mg_str *query,
struct mg_str *fragment);
/*
* Assemble URI from parts. Any of the inputs can be NULL or zero-length mg_str.
*
* If normalize_path is true, path is normalized by resolving relative refs.
*
* Result is a heap-allocated string (uri->p must be free()d after use).
*
* Returns 0 on success, -1 on error.
*/
int mg_assemble_uri(const struct mg_str *scheme, const struct mg_str *user_info,
const struct mg_str *host, unsigned int port,
const struct mg_str *path, const struct mg_str *query,
const struct mg_str *fragment, int normalize_path,
struct mg_str *uri);
int mg_normalize_uri_path(const struct mg_str *in, struct mg_str *out);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_MONGOOSE_SRC_URI_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_util.h"
#endif
/*
* === Utility API
*/
#ifndef CS_MONGOOSE_SRC_UTIL_H_
#define CS_MONGOOSE_SRC_UTIL_H_
#include <stdio.h>
/* Amalgamated: #include "mg_common.h" */
/* Amalgamated: #include "mg_net_if.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifndef MG_MAX_PATH
#ifdef PATH_MAX
#define MG_MAX_PATH PATH_MAX
#else
#define MG_MAX_PATH 256
#endif
#endif
/*
* Fetches substring from input string `s`, `end` into `v`.
* Skips initial delimiter characters. Records first non-delimiter character
* at the beginning of substring `v`. Then scans the rest of the string
* until a delimiter character or end-of-string is found.
* `delimiters` is a 0-terminated string containing delimiter characters.
* Either one of `delimiters` or `end_string` terminates the search.
* Returns an `s` pointer, advanced forward where parsing has stopped.
*/
const char *mg_skip(const char *s, const char *end_string,
const char *delimiters, struct mg_str *v);
/*
* Decodes base64-encoded string `s`, `len` into the destination `dst`.
* The destination has to have enough space to hold the decoded buffer.
* Decoding stops either when all strings have been decoded or invalid an
* character appeared.
* Destination is '\0'-terminated.
* Returns the number of decoded characters. On success, that should be equal
* to `len`. On error (invalid character) the return value is smaller then
* `len`.
*/
int mg_base64_decode(const unsigned char *s, int len, char *dst);
/*
* Base64-encode chunk of memory `src`, `src_len` into the destination `dst`.
* Destination has to have enough space to hold encoded buffer.
* Destination is '\0'-terminated.
*/
void mg_base64_encode(const unsigned char *src, int src_len, char *dst);
#if MG_ENABLE_FILESYSTEM
/*
* Performs a 64-bit `stat()` call against a given file.
*
* `path` should be UTF8 encoded.
*
* Return value is the same as for `stat()` syscall.
*/
int mg_stat(const char *path, cs_stat_t *st);
/*
* Opens the given file and returns a file stream.
*
* `path` and `mode` should be UTF8 encoded.
*
* Return value is the same as for the `fopen()` call.
*/
FILE *mg_fopen(const char *path, const char *mode);
/*
* Opens the given file and returns a file stream.
*
* `path` should be UTF8 encoded.
*
* Return value is the same as for the `open()` syscall.
*/
int mg_open(const char *path, int flag, int mode);
/*
* Reads data from the given file stream.
*
* Return value is a number of bytes readen.
*/
size_t mg_fread(void *ptr, size_t size, size_t count, FILE *f);
/*
* Writes data to the given file stream.
*
* Return value is a number of bytes wtitten.
*/
size_t mg_fwrite(const void *ptr, size_t size, size_t count, FILE *f);
#endif /* MG_ENABLE_FILESYSTEM */
#if MG_ENABLE_THREADS
/*
* Starts a new detached thread.
* Arguments and semantics are the same as pthead's `pthread_create()`.
* `thread_func` is a thread function, `thread_func_param` is a parameter
* that is passed to the thread function.
*/
void *mg_start_thread(void *(*thread_func)(void *), void *thread_func_param);
#endif
void mg_set_close_on_exec(sock_t);
#define MG_SOCK_STRINGIFY_IP 1
#define MG_SOCK_STRINGIFY_PORT 2
#define MG_SOCK_STRINGIFY_REMOTE 4
/*
* Converts a connection's local or remote address into string.
*
* The `flags` parameter is a bit mask that controls the behaviour,
* see `MG_SOCK_STRINGIFY_*` definitions.
*
* - MG_SOCK_STRINGIFY_IP - print IP address
* - MG_SOCK_STRINGIFY_PORT - print port number
* - MG_SOCK_STRINGIFY_REMOTE - print remote peer's IP/port, not local address
*
* If both port number and IP address are printed, they are separated by `:`.
* If compiled with `-DMG_ENABLE_IPV6`, IPv6 addresses are supported.
* Return length of the stringified address.
*/
int mg_conn_addr_to_str(struct mg_connection *c, char *buf, size_t len,
int flags);
#if MG_NET_IF == MG_NET_IF_SOCKET
/* Legacy interface. */
void mg_sock_to_str(sock_t sock, char *buf, size_t len, int flags);
#endif
/*
* Convert the socket's address into string.
*
* `flags` is MG_SOCK_STRINGIFY_IP and/or MG_SOCK_STRINGIFY_PORT.
*/
int mg_sock_addr_to_str(const union socket_address *sa, char *buf, size_t len,
int flags);
#if MG_ENABLE_HEXDUMP
/*
* Generates a human-readable hexdump of memory chunk.
*
* Takes a memory buffer `buf` of length `len` and creates a hex dump of that
* buffer in `dst`. The generated output is a-la hexdump(1).
* Returns the length of generated string, excluding terminating `\0`. If
* returned length is bigger than `dst_len`, the overflow bytes are discarded.
*/
int mg_hexdump(const void *buf, int len, char *dst, int dst_len);
/* Same as mg_hexdump, but with output going to file instead of a buffer. */
void mg_hexdumpf(FILE *fp, const void *buf, int len);
/*
* Generates human-readable hexdump of the data sent or received by the
* connection. `path` is a file name where hexdump should be written.
* `num_bytes` is a number of bytes sent/received. `ev` is one of the `MG_*`
* events sent to an event handler. This function is supposed to be called from
* the event handler.
*/
void mg_hexdump_connection(struct mg_connection *nc, const char *path,
const void *buf, int num_bytes, int ev);
#endif
/*
* Returns true if target platform is big endian.
*/
int mg_is_big_endian(void);
/*
* Use with cs_base64_init/update/finish in order to write out base64 in chunks.
*/
void mg_mbuf_append_base64_putc(char ch, void *user_data);
/*
* Encode `len` bytes starting at `data` as base64 and append them to an mbuf.
*/
void mg_mbuf_append_base64(struct mbuf *mbuf, const void *data, size_t len);
/*
* Generate a Basic Auth header and appends it to buf.
* If pass is NULL, then user is expected to contain the credentials pair
* already encoded as `user:pass`.
*/
void mg_basic_auth_header(const struct mg_str user, const struct mg_str pass,
struct mbuf *buf);
/*
* URL-escape the specified string.
* All characters acept letters, numbers and characters listed in
* `safe` are escaped. If `hex_upper`is true, `A-F` are used for hex digits.
* Input need not be NUL-terminated, but the returned string is.
* Returned string is heap-allocated and must be free()'d.
*/
#define MG_URL_ENCODE_F_SPACE_AS_PLUS (1 << 0)
#define MG_URL_ENCODE_F_UPPERCASE_HEX (1 << 1)
struct mg_str mg_url_encode_opt(const struct mg_str src,
const struct mg_str safe, unsigned int flags);
/* Same as `mg_url_encode_opt(src, "._-$,;~()/", 0)`. */
struct mg_str mg_url_encode(const struct mg_str src);
/*
* Decodes a URL-encoded string.
*
* Source string is specified by (`src`, `src_len`), and destination is
* (`dst`, `dst_len`). If `is_form_url_encoded` is non-zero, then
* `+` character is decoded as a blank space character. This function
* guarantees to NUL-terminate the destination. If destination is too small,
* then the source string is partially decoded and `-1` is returned.
* Otherwise, the length of the decoded string is returned,
* not counting final NUL.
*/
int mg_url_decode(const char *src, int src_len, char *dst, int dst_len,
int is_form_url_encoded);
/*
* mg_str variant of mg_url_decode. Does not NUL-terminate dst.
* It is ok for src and dst to be the same.
*/
int mg_url_decode_n(struct mg_str src, struct mg_str *dst,
int is_form_url_encoded);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_MONGOOSE_SRC_UTIL_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_http.h"
#endif
/*
* === Common API reference
*/
#ifndef CS_MONGOOSE_SRC_HTTP_H_
#define CS_MONGOOSE_SRC_HTTP_H_
#if MG_ENABLE_HTTP
/* Amalgamated: #include "common/mg_str.h" */
/* Amalgamated: #include "mg_net.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifndef MG_MAX_HTTP_HEADERS
#define MG_MAX_HTTP_HEADERS 20
#endif
#ifndef MG_MAX_HTTP_REQUEST_SIZE
#define MG_MAX_HTTP_REQUEST_SIZE 1024
#endif
#ifndef MG_MAX_HTTP_SEND_MBUF
#define MG_MAX_HTTP_SEND_MBUF 1024
#endif
#ifndef MG_CGI_ENVIRONMENT_SIZE
#define MG_CGI_ENVIRONMENT_SIZE 8192
#endif
/* HTTP message */
struct http_message {
struct mg_str message; /* Whole message: request line + headers + body */
struct mg_str body; /* Message body. 0-length for requests with no body */
/* HTTP Request line (or HTTP response line) */
struct mg_str method; /* "GET" */
struct mg_str uri; /* "/my_file.html" */
struct mg_str proto; /* "HTTP/1.1" -- for both request and response */
/* For responses, code and response status message are set */
int resp_code;
struct mg_str resp_status_msg;
/*
* Query-string part of the URI. For example, for HTTP request
* GET /foo/bar?param1=val1&param2=val2
* | uri | query_string |
*
* Note that question mark character doesn't belong neither to the uri,
* nor to the query_string
*/
struct mg_str query_string;
/* Headers */
struct mg_str header_names[MG_MAX_HTTP_HEADERS];
struct mg_str header_values[MG_MAX_HTTP_HEADERS];
/*
* Value of the Content-Length header if present,
* otherwise MG_HTTP_CONTENT_LENGTH_UNKNOWN.
*/
size_t content_length;
};
#define MG_HTTP_CONTENT_LENGTH_UNKNOWN ((size_t) -1)
#if MG_ENABLE_HTTP_WEBSOCKET
/* WebSocket message */
struct websocket_message {
unsigned char *data;
size_t size;
unsigned char flags;
};
#endif
/* HTTP multipart part */
struct mg_http_multipart_part {
const char *file_name;
const char *var_name;
struct mg_str data;
int status; /* <0 on error */
void *user_data;
/*
* User handler can indicate how much of the data was consumed
* by setting this variable. By default, it is assumed that all
* data has been consumed by the handler.
* If not all data was consumed, user's handler will be invoked again later
* with the remainder.
*/
size_t num_data_consumed;
};
/* SSI call context */
struct mg_ssi_call_ctx {
struct http_message *req; /* The request being processed. */
struct mg_str file; /* Filesystem path of the file being processed. */
struct mg_str arg; /* The argument passed to the tag: <!-- call arg -->. */
};
/* HTTP and websocket events. void *ev_data is described in a comment. */
#define MG_EV_HTTP_REQUEST 100 /* struct http_message * */
#define MG_EV_HTTP_REPLY 101 /* struct http_message * */
#define MG_EV_HTTP_CHUNK 102 /* struct http_message * */
#define MG_EV_SSI_CALL 105 /* char * */
#define MG_EV_SSI_CALL_CTX 106 /* struct mg_ssi_call_ctx * */
#if MG_ENABLE_HTTP_WEBSOCKET
#define MG_EV_WEBSOCKET_HANDSHAKE_REQUEST 111 /* struct http_message * */
#define MG_EV_WEBSOCKET_HANDSHAKE_DONE 112 /* struct http_message * */
#define MG_EV_WEBSOCKET_FRAME 113 /* struct websocket_message * */
#define MG_EV_WEBSOCKET_CONTROL_FRAME 114 /* struct websocket_message * */
#endif
#if MG_ENABLE_HTTP_STREAMING_MULTIPART
#define MG_EV_HTTP_MULTIPART_REQUEST 121 /* struct http_message */
#define MG_EV_HTTP_PART_BEGIN 122 /* struct mg_http_multipart_part */
#define MG_EV_HTTP_PART_DATA 123 /* struct mg_http_multipart_part */
#define MG_EV_HTTP_PART_END 124 /* struct mg_http_multipart_part */
/* struct mg_http_multipart_part */
#define MG_EV_HTTP_MULTIPART_REQUEST_END 125
#endif
#define MG_F_WEBSOCKET_NO_DEFRAG MG_F_PROTO_1
#define MG_F_DELETE_CHUNK MG_F_PROTO_2
/*
* Attaches a built-in HTTP event handler to the given connection.
* The user-defined event handler will receive following extra events:
*
* - MG_EV_HTTP_REQUEST: HTTP request has arrived. Parsed HTTP request
* is passed as
* `struct http_message` through the handler's `void *ev_data` pointer.
* - MG_EV_HTTP_REPLY: The HTTP reply has arrived. The parsed HTTP reply is
* passed as `struct http_message` through the handler's `void *ev_data`
* pointer.
* - MG_EV_HTTP_CHUNK: The HTTP chunked-encoding chunk has arrived.
* The parsed HTTP reply is passed as `struct http_message` through the
* handler's `void *ev_data` pointer. `http_message::body` would contain
* incomplete, reassembled HTTP body.
* It will grow with every new chunk that arrives, and it can
* potentially consume a lot of memory. An event handler may process
* the body as chunks are coming, and signal Mongoose to delete processed
* body by setting `MG_F_DELETE_CHUNK` in `mg_connection::flags`. When
* the last zero chunk is received,
* Mongoose sends `MG_EV_HTTP_REPLY` event with
* full reassembled body (if handler did not signal to delete chunks) or
* with empty body (if handler did signal to delete chunks).
* - MG_EV_WEBSOCKET_HANDSHAKE_REQUEST: server has received the WebSocket
* handshake request. `ev_data` contains parsed HTTP request.
* - MG_EV_WEBSOCKET_HANDSHAKE_DONE: server has completed the WebSocket
* handshake. `ev_data` is a `struct http_message` containing the
* client's request (server mode) or server's response (client).
* In client mode handler can examine `resp_code`, which should be 101.
* - MG_EV_WEBSOCKET_FRAME: new WebSocket frame has arrived. `ev_data` is
* `struct websocket_message *`
*
* When compiled with MG_ENABLE_HTTP_STREAMING_MULTIPART, Mongoose parses
* multipart requests and splits them into separate events:
* - MG_EV_HTTP_MULTIPART_REQUEST: Start of the request.
* This event is sent before body is parsed. After this, the user
* should expect a sequence of PART_BEGIN/DATA/END requests.
* This is also the last time when headers and other request fields are
* accessible.
* - MG_EV_HTTP_PART_BEGIN: Start of a part of a multipart message.
* Argument: mg_http_multipart_part with var_name and file_name set
* (if present). No data is passed in this message.
* - MG_EV_HTTP_PART_DATA: new portion of data from the multipart message.
* Argument: mg_http_multipart_part. var_name and file_name are preserved,
* data is available in mg_http_multipart_part.data.
* - MG_EV_HTTP_PART_END: End of the current part. var_name, file_name are
* the same, no data in the message. If status is 0, then the part is
* properly terminated with a boundary, status < 0 means that connection
* was terminated.
* - MG_EV_HTTP_MULTIPART_REQUEST_END: End of the multipart request.
* Argument: mg_http_multipart_part, var_name and file_name are NULL,
* status = 0 means request was properly closed, < 0 means connection
* was terminated (note: in this case both PART_END and REQUEST_END are
* delivered).
*/
void mg_set_protocol_http_websocket(struct mg_connection *nc);
#if MG_ENABLE_HTTP_WEBSOCKET
/*
* Send websocket handshake to the server.
*
* `nc` must be a valid connection, connected to a server. `uri` is an URI
* to fetch, extra_headers` is extra HTTP headers to send or `NULL`.
*
* This function is intended to be used by websocket client.
*
* Note that the Host header is mandatory in HTTP/1.1 and must be
* included in `extra_headers`. `mg_send_websocket_handshake2` offers
* a better API for that.
*
* Deprecated in favour of `mg_send_websocket_handshake2`
*/
void mg_send_websocket_handshake(struct mg_connection *nc, const char *uri,
const char *extra_headers);
/*
* Send websocket handshake to the server.
*
* `nc` must be a valid connection, connected to a server. `uri` is an URI
* to fetch, `host` goes into the `Host` header, `protocol` goes into the
* `Sec-WebSocket-Proto` header (NULL to omit), extra_headers` is extra HTTP
* headers to send or `NULL`.
*
* This function is intended to be used by websocket client.
*/
void mg_send_websocket_handshake2(struct mg_connection *nc, const char *path,
const char *host, const char *protocol,
const char *extra_headers);
/* Like mg_send_websocket_handshake2 but also passes basic auth header */
void mg_send_websocket_handshake3(struct mg_connection *nc, const char *path,
const char *host, const char *protocol,
const char *extra_headers, const char *user,
const char *pass);
/* Same as mg_send_websocket_handshake3 but with strings not necessarily
* NUL-temrinated */
void mg_send_websocket_handshake3v(struct mg_connection *nc,
const struct mg_str path,
const struct mg_str host,
const struct mg_str protocol,
const struct mg_str extra_headers,
const struct mg_str user,
const struct mg_str pass);
/*
* Helper function that creates an outbound WebSocket connection.
*
* `url` is a URL to connect to. It must be properly URL-encoded, e.g. have
* no spaces, etc. By default, `mg_connect_ws()` sends Connection and
* Host headers. `extra_headers` is an extra HTTP header to send, e.g.
* `"User-Agent: my-app\r\n"`.
* If `protocol` is not NULL, then a `Sec-WebSocket-Protocol` header is sent.
*
* Examples:
*
* ```c
* nc1 = mg_connect_ws(mgr, ev_handler_1, "ws://echo.websocket.org", NULL,
* NULL);
* nc2 = mg_connect_ws(mgr, ev_handler_1, "wss://echo.websocket.org", NULL,
* NULL);
* nc3 = mg_connect_ws(mgr, ev_handler_1, "ws://api.cesanta.com",
* "clubby.cesanta.com", NULL);
* ```
*/
struct mg_connection *mg_connect_ws(struct mg_mgr *mgr,
MG_CB(mg_event_handler_t event_handler,
void *user_data),
const char *url, const char *protocol,
const char *extra_headers);
/*
* Helper function that creates an outbound WebSocket connection
*
* Mostly identical to `mg_connect_ws`, but allows to provide extra parameters
* (for example, SSL parameters)
*/
struct mg_connection *mg_connect_ws_opt(
struct mg_mgr *mgr, MG_CB(mg_event_handler_t ev_handler, void *user_data),
struct mg_connect_opts opts, const char *url, const char *protocol,
const char *extra_headers);
/*
* Send WebSocket frame to the remote end.
*
* `op_and_flags` specifies the frame's type. It's one of:
*
* - WEBSOCKET_OP_CONTINUE
* - WEBSOCKET_OP_TEXT
* - WEBSOCKET_OP_BINARY
* - WEBSOCKET_OP_CLOSE
* - WEBSOCKET_OP_PING
* - WEBSOCKET_OP_PONG
*
* Orred with one of the flags:
*
* - WEBSOCKET_DONT_FIN: Don't set the FIN flag on the frame to be sent.
*
* `data` and `data_len` contain frame data.
*/
void mg_send_websocket_frame(struct mg_connection *nc, int op_and_flags,
const void *data, size_t data_len);
/*
* Like `mg_send_websocket_frame()`, but composes a single frame from multiple
* buffers.
*/
void mg_send_websocket_framev(struct mg_connection *nc, int op_and_flags,
const struct mg_str *strings, int num_strings);
/*
* Sends WebSocket frame to the remote end.
*
* Like `mg_send_websocket_frame()`, but allows to create formatted messages
* with `printf()`-like semantics.
*/
void mg_printf_websocket_frame(struct mg_connection *nc, int op_and_flags,
const char *fmt, ...);
/* Websocket opcodes, from http://tools.ietf.org/html/rfc6455 */
#define WEBSOCKET_OP_CONTINUE 0
#define WEBSOCKET_OP_TEXT 1
#define WEBSOCKET_OP_BINARY 2
#define WEBSOCKET_OP_CLOSE 8
#define WEBSOCKET_OP_PING 9
#define WEBSOCKET_OP_PONG 10
/*
* If set causes the FIN flag to not be set on outbound
* frames. This enables sending multiple fragments of a single
* logical message.
*
* The WebSocket protocol mandates that if the FIN flag of a data
* frame is not set, the next frame must be a WEBSOCKET_OP_CONTINUE.
* The last frame must have the FIN bit set.
*
* Note that mongoose will automatically defragment incoming messages,
* so this flag is used only on outbound messages.
*/
#define WEBSOCKET_DONT_FIN 0x100
#endif /* MG_ENABLE_HTTP_WEBSOCKET */
extern void mg_hash_md5_v(size_t num_msgs, const uint8_t *msgs[],
const size_t *msg_lens, uint8_t *digest);
extern void mg_hash_sha1_v(size_t num_msgs, const uint8_t *msgs[],
const size_t *msg_lens, uint8_t *digest);
extern void mg_hash_sha256_v(size_t num_msgs, const uint8_t *msgs[],
const size_t *msg_lens, uint8_t *digest);
/*
* Flags for `mg_http_is_authorized()`.
*/
#define MG_AUTH_FLAG_IS_DIRECTORY (1 << 0)
#define MG_AUTH_FLAG_IS_GLOBAL_PASS_FILE (1 << 1)
#define MG_AUTH_FLAG_ALLOW_MISSING_FILE (1 << 2)
#define MG_AUTH_FLAG_ALGO(algo) ((((int) algo) & 3) << 8)
/*
* Checks whether an http request is authorized. `domain` is the authentication
* realm, `passwords_file` is a htdigest file (can be created e.g. with
* `htdigest` utility). If either `domain` or `passwords_file` is NULL, this
* function always returns 1; otherwise checks the authentication in the
* http request and returns 1 only if there is a match; 0 otherwise.
*/
int mg_http_is_authorized(struct http_message *hm, struct mg_str path,
const char *domain, const char *passwords_file,
int flags);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* MG_ENABLE_HTTP */
#endif /* CS_MONGOOSE_SRC_HTTP_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_http_server.h"
#endif
/*
* === Server API reference
*/
#ifndef CS_MONGOOSE_SRC_HTTP_SERVER_H_
#define CS_MONGOOSE_SRC_HTTP_SERVER_H_
#if MG_ENABLE_HTTP
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* Parses a HTTP message.
*
* `is_req` should be set to 1 if parsing a request, 0 if reply.
*
* Returns the number of bytes parsed. If HTTP message is
* incomplete `0` is returned. On parse error, a negative number is returned.
*/
int mg_parse_http(const char *s, int n, struct http_message *hm, int is_req);
/*
* Searches and returns the header `name` in parsed HTTP message `hm`.
* If header is not found, NULL is returned. Example:
*
* struct mg_str *host_hdr = mg_get_http_header(hm, "Host");
*/
struct mg_str *mg_get_http_header(struct http_message *hm, const char *name);
/*
* Parses the HTTP header `hdr`. Finds variable `var_name` and stores its value
* in the buffer `*buf`, `buf_size`. If the buffer size is not enough,
* allocates a buffer of required size and writes it to `*buf`, similar to
* asprintf(). The caller should always check whether the buffer was updated,
* and free it if so.
*
* This function is supposed to parse cookies, authentication headers, etc.
* Example (error handling omitted):
*
* char user_buf[20];
* char *user = user_buf;
* struct mg_str *hdr = mg_get_http_header(hm, "Authorization");
* mg_http_parse_header2(hdr, "username", &user, sizeof(user_buf));
* // ... do something useful with user
* if (user != user_buf) {
* free(user);
* }
*
* Returns the length of the variable's value. If variable is not found, 0 is
* returned.
*/
int mg_http_parse_header2(struct mg_str *hdr, const char *var_name, char **buf,
size_t buf_size);
/*
* DEPRECATED: use mg_http_parse_header2() instead.
*
* Same as mg_http_parse_header2(), but takes buffer as a `char *` (instead of
* `char **`), and thus it cannot allocate a new buffer if the provided one
* is not enough, and just returns 0 in that case.
*/
int mg_http_parse_header(struct mg_str *hdr, const char *var_name, char *buf,
size_t buf_size)
#ifdef __GNUC__
__attribute__((deprecated))
#endif
;
/*
* Gets and parses the Authorization: Basic header
* Returns -1 if no Authorization header is found, or if
* mg_parse_http_basic_auth
* fails parsing the resulting header.
*/
int mg_get_http_basic_auth(struct http_message *hm, char *user, size_t user_len,
char *pass, size_t pass_len);
/*
* Parses the Authorization: Basic header
* Returns -1 iif the authorization type is not "Basic" or any other error such
* as incorrectly encoded base64 user password pair.
*/
int mg_parse_http_basic_auth(struct mg_str *hdr, char *user, size_t user_len,
char *pass, size_t pass_len);
/*
* Parses the buffer `buf`, `buf_len` that contains multipart form data chunks.
* Stores the chunk name in a `var_name`, `var_name_len` buffer.
* If a chunk is an uploaded file, then `file_name`, `file_name_len` is
* filled with an uploaded file name. `chunk`, `chunk_len`
* points to the chunk data.
*
* Return: number of bytes to skip to the next chunk or 0 if there are
* no more chunks.
*
* Usage example:
*
* ```c
* static void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
* switch(ev) {
* case MG_EV_HTTP_REQUEST: {
* struct http_message *hm = (struct http_message *) ev_data;
* char var_name[100], file_name[100];
* const char *chunk;
* size_t chunk_len, n1, n2;
*
* n1 = n2 = 0;
* while ((n2 = mg_parse_multipart(hm->body.p + n1,
* hm->body.len - n1,
* var_name, sizeof(var_name),
* file_name, sizeof(file_name),
* &chunk, &chunk_len)) > 0) {
* printf("var: %s, file_name: %s, size: %d, chunk: [%.*s]\n",
* var_name, file_name, (int) chunk_len,
* (int) chunk_len, chunk);
* n1 += n2;
* }
* }
* break;
* ```
*/
size_t mg_parse_multipart(const char *buf, size_t buf_len, char *var_name,
size_t var_name_len, char *file_name,
size_t file_name_len, const char **chunk,
size_t *chunk_len);
/*
* Fetches a HTTP form variable.
*
* Fetches a variable `name` from a `buf` into a buffer specified by `dst`,
* `dst_len`. The destination is always zero-terminated. Returns the length of
* a fetched variable. If not found, 0 is returned. `buf` must be valid
* url-encoded buffer. If destination is too small or an error occured,
* negative number is returned.
*/
int mg_get_http_var(const struct mg_str *buf, const char *name, char *dst,
size_t dst_len);
/*
* Supported digest auth algorithms.
*/
enum mg_auth_algo {
MG_AUTH_ALGO_MD5 = 0,
MG_AUTH_ALGO_SHA256 = 1,
};
#if MG_ENABLE_FILESYSTEM
/*
* This structure defines how `mg_serve_http()` works.
* Best practice is to set only required settings, and leave the rest as NULL.
*/
struct mg_serve_http_opts {
/* Path to web root directory */
const char *document_root;
/* List of index files. Default is "" */
const char *index_files;
/*
* Leave as NULL to disable authentication.
* To enable directory protection with authentication, set this to ".htpasswd"
* Then, creating ".htpasswd" file in any directory automatically protects
* it with digest authentication.
* Use `mongoose` web server binary, or `htdigest` Apache utility to
* create/manipulate passwords file.
* Make sure `auth_domain` is set to a valid domain name.
*/
const char *per_directory_auth_file;
/* Authorization domain (domain name of this web server) */
const char *auth_domain;
/*
* Leave as NULL to disable authentication.
* Normally, only selected directories in the document root are protected.
* If absolutely every access to the web server needs to be authenticated,
* regardless of the URI, set this option to the path to the passwords file.
* Format of that file is the same as ".htpasswd" file. Make sure that file
* is located outside document root to prevent people fetching it.
*/
const char *global_auth_file;
/*
* Password hashing algorithm used by the password files.
*/
enum mg_auth_algo auth_algo;
/* Set to "no" to disable directory listing. Enabled by default. */
const char *enable_directory_listing;
/*
* SSI files pattern. If not set, "**.shtml$|**.shtm$" is used.
*
* All files that match ssi_pattern are treated as SSI.
*
* Server Side Includes (SSI) is a simple interpreted server-side scripting
* language which is most commonly used to include the contents of a file
* into a web page. It can be useful when it is desirable to include a common
* piece of code throughout a website, for example, headers and footers.
*
* In order for a webpage to recognize an SSI-enabled HTML file, the
* filename should end with a special extension, by default the extension
* should be either .shtml or .shtm
*
* Unknown SSI directives are silently ignored by Mongoose. Currently,
* the following SSI directives are supported:
* &lt;!--#include FILE_TO_INCLUDE --&gt;
* &lt;!--#exec "COMMAND_TO_EXECUTE" --&gt;
* &lt;!--#call COMMAND --&gt;
*
* Note that &lt;!--#include ...> directive supports three path
*specifications:
*
* &lt;!--#include virtual="path" --&gt; Path is relative to web server root
* &lt;!--#include abspath="path" --&gt; Path is absolute or relative to the
* web server working dir
* &lt;!--#include file="path" --&gt;, Path is relative to current document
* &lt;!--#include "path" --&gt;
*
* The include directive may be used to include the contents of a file or
* the result of running a CGI script.
*
* The exec directive is used to execute
* a command on a server, and show command's output. Example:
*
* &lt;!--#exec "ls -l" --&gt;
*
* The call directive is a way to invoke a C handler from the HTML page.
* On each occurence of &lt;!--#call COMMAND OPTIONAL_PARAMS> directive,
* Mongoose calls a registered event handler with MG_EV_SSI_CALL event,
* and event parameter will point to the COMMAND OPTIONAL_PARAMS string.
* An event handler can output any text, for example by calling
* `mg_printf()`. This is a flexible way of generating a web page on
* server side by calling a C event handler. Example:
*
* &lt;!--#call foo --&gt; ... &lt;!--#call bar --&gt;
*
* In the event handler:
* case MG_EV_SSI_CALL: {
* const char *param = (const char *) ev_data;
* if (strcmp(param, "foo") == 0) {
* mg_printf(c, "hello from foo");
* } else if (strcmp(param, "bar") == 0) {
* mg_printf(c, "hello from bar");
* }
* break;
* }
*/
const char *ssi_pattern;
/* IP ACL. By default, NULL, meaning all IPs are allowed to connect */
const char *ip_acl;
#if MG_ENABLE_HTTP_URL_REWRITES
/* URL rewrites.
*
* Comma-separated list of `uri_pattern=url_file_or_directory_path` rewrites.
* When HTTP request is received, Mongoose constructs a file name from the
* requested URI by combining `document_root` and the URI. However, if the
* rewrite option is used and `uri_pattern` matches requested URI, then
* `document_root` is ignored. Instead, `url_file_or_directory_path` is used,
* which should be a full path name or a path relative to the web server's
* current working directory. It can also be an URI (http:// or https://)
* in which case mongoose will behave as a reverse proxy for that destination.
*
* Note that `uri_pattern`, as all Mongoose patterns, is a prefix pattern.
*
* If uri_pattern starts with `@` symbol, then Mongoose compares it with the
* HOST header of the request. If they are equal, Mongoose sets document root
* to `file_or_directory_path`, implementing virtual hosts support.
* Example: `@foo.com=/document/root/for/foo.com`
*
* If `uri_pattern` starts with `%` symbol, then Mongoose compares it with
* the listening port. If they match, then Mongoose issues a 301 redirect.
* For example, to redirect all HTTP requests to the
* HTTPS port, do `%80=https://my.site.com`. Note that the request URI is
* automatically appended to the redirect location.
*/
const char *url_rewrites;
#endif
/* DAV document root. If NULL, DAV requests are going to fail. */
const char *dav_document_root;
/*
* DAV passwords file. If NULL, DAV requests are going to fail.
* If passwords file is set to "-", then DAV auth is disabled.
*/
const char *dav_auth_file;
/* Glob pattern for the files to hide. */
const char *hidden_file_pattern;
/* Set to non-NULL to enable CGI, e.g. **.cgi$|**.php$" */
const char *cgi_file_pattern;
/* If not NULL, ignore CGI script hashbang and use this interpreter */
const char *cgi_interpreter;
/*
* Comma-separated list of Content-Type overrides for path suffixes, e.g.
* ".txt=text/plain; charset=utf-8,.c=text/plain"
*/
const char *custom_mime_types;
/*
* Extra HTTP headers to add to each server response.
* Example: to enable CORS, set this to "Access-Control-Allow-Origin: *".
*/
const char *extra_headers;
};
/*
* Serves given HTTP request according to the `options`.
*
* Example code snippet:
*
* ```c
* static void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
* struct http_message *hm = (struct http_message *) ev_data;
* struct mg_serve_http_opts opts = { .document_root = "/var/www" }; // C99
*
* switch (ev) {
* case MG_EV_HTTP_REQUEST:
* mg_serve_http(nc, hm, opts);
* break;
* default:
* break;
* }
* }
* ```
*/
void mg_serve_http(struct mg_connection *nc, struct http_message *hm,
struct mg_serve_http_opts opts);
/*
* Serves a specific file with a given MIME type and optional extra headers.
*
* Example code snippet:
*
* ```c
* static void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
* switch (ev) {
* case MG_EV_HTTP_REQUEST: {
* struct http_message *hm = (struct http_message *) ev_data;
* mg_http_serve_file(nc, hm, "file.txt",
* mg_mk_str("text/plain"), mg_mk_str(""));
* break;
* }
* ...
* }
* }
* ```
*/
void mg_http_serve_file(struct mg_connection *nc, struct http_message *hm,
const char *path, const struct mg_str mime_type,
const struct mg_str extra_headers);
#if MG_ENABLE_HTTP_STREAMING_MULTIPART
/* Callback prototype for `mg_file_upload_handler()`. */
typedef struct mg_str (*mg_fu_fname_fn)(struct mg_connection *nc,
struct mg_str fname);
/*
* File upload handler.
* This handler can be used to implement file uploads with minimum code.
* This handler will process MG_EV_HTTP_PART_* events and store file data into
* a local file.
* `local_name_fn` will be invoked with whatever name was provided by the client
* and will expect the name of the local file to open. A return value of NULL
* will abort file upload (client will get a "403 Forbidden" response). If
* non-null, the returned string must be heap-allocated and will be freed by
* the caller.
* Exception: it is ok to return the same string verbatim.
*
* Example:
*
* ```c
* struct mg_str upload_fname(struct mg_connection *nc, struct mg_str fname) {
* // Just return the same filename. Do not actually do this except in test!
* // fname is user-controlled and needs to be sanitized.
* return fname;
* }
* void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
* switch (ev) {
* ...
* case MG_EV_HTTP_PART_BEGIN:
* case MG_EV_HTTP_PART_DATA:
* case MG_EV_HTTP_PART_END:
* mg_file_upload_handler(nc, ev, ev_data, upload_fname);
* break;
* }
* }
* ```
*/
void mg_file_upload_handler(struct mg_connection *nc, int ev, void *ev_data,
mg_fu_fname_fn local_name_fn
MG_UD_ARG(void *user_data));
#endif /* MG_ENABLE_HTTP_STREAMING_MULTIPART */
#endif /* MG_ENABLE_FILESYSTEM */
/*
* Registers a callback for a specified http endpoint
* Note: if callback is registered it is called instead of the
* callback provided in mg_bind
*
* Example code snippet:
*
* ```c
* static void handle_hello1(struct mg_connection *nc, int ev, void *ev_data) {
* (void) ev; (void) ev_data;
* mg_printf(nc, "HTTP/1.0 200 OK\r\n\r\n[I am Hello1]");
* nc->flags |= MG_F_SEND_AND_CLOSE;
* }
*
* static void handle_hello2(struct mg_connection *nc, int ev, void *ev_data) {
* (void) ev; (void) ev_data;
* mg_printf(nc, "HTTP/1.0 200 OK\r\n\r\n[I am Hello2]");
* nc->flags |= MG_F_SEND_AND_CLOSE;
* }
*
* void init() {
* nc = mg_bind(&mgr, local_addr, cb1);
* mg_register_http_endpoint(nc, "/hello1", handle_hello1);
* mg_register_http_endpoint(nc, "/hello1/hello2", handle_hello2);
* }
* ```
*/
void mg_register_http_endpoint(struct mg_connection *nc, const char *uri_path,
MG_CB(mg_event_handler_t handler,
void *user_data));
struct mg_http_endpoint_opts {
void *user_data;
/* Authorization domain (realm) */
const char *auth_domain;
const char *auth_file;
enum mg_auth_algo auth_algo;
};
void mg_register_http_endpoint_opt(struct mg_connection *nc,
const char *uri_path,
mg_event_handler_t handler,
struct mg_http_endpoint_opts opts);
/*
* HTTP endpoint descriptor.
*/
struct mg_http_endpoint {
struct mg_http_endpoint *next;
struct mg_str uri_pattern; /* owned */
char *auth_domain; /* owned */
char *auth_file; /* owned */
enum mg_auth_algo auth_algo;
mg_event_handler_t handler;
#if MG_ENABLE_CALLBACK_USERDATA
void *user_data;
#endif
};
/*
* Returns first registered endpoint.
*/
struct mg_http_endpoint *mg_get_http_endpoints(struct mg_connection *nc);
/*
* Sends 401 Unauthorized response.
*/
void mg_http_send_digest_auth_request(struct mg_connection *c,
const char *domain);
void mg_http_send_digest_auth_request_algo(struct mg_connection *c,
const char *domain,
enum mg_auth_algo algo);
/*
* Authenticates a HTTP request against an opened password file.
* Returns 1 if authenticated, 0 otherwise.
*/
int mg_http_check_digest_auth(struct http_message *hm, const char *auth_domain,
FILE *fp);
int mg_http_check_digest_auth_algo(struct http_message *hm, const char *auth_domain,
enum mg_auth_algo fp_algo, FILE *fp);
/*
* Authenticates given response params against an opened password file.
* Returns 1 if authenticated, 0 otherwise.
*
* It's used by mg_http_check_digest_auth().
*/
int mg_check_digest_auth(struct mg_str method, struct mg_str uri,
struct mg_str username, struct mg_str cnonce,
struct mg_str response, struct mg_str qop,
struct mg_str nc, struct mg_str nonce,
struct mg_str auth_domain, FILE *fp);
int mg_check_digest_auth_algo(struct mg_str method, struct mg_str uri,
struct mg_str username, struct mg_str cnonce,
struct mg_str response, struct mg_str qop,
struct mg_str nc, struct mg_str nonce,
struct mg_str auth_domain, enum mg_auth_algo algo,
FILE *fp);
/*
* Sends buffer `buf` of size `len` to the client using chunked HTTP encoding.
* This function sends the buffer size as hex number + newline first, then
* the buffer itself, then the newline. For example,
* `mg_send_http_chunk(nc, "foo", 3)` will append the `3\r\nfoo\r\n` string
* to the `nc->send_mbuf` output IO buffer.
*
* NOTE: The HTTP header "Transfer-Encoding: chunked" should be sent prior to
* using this function.
*
* NOTE: do not forget to send an empty chunk at the end of the response,
* to tell the client that everything was sent. Example:
*
* ```
* mg_printf_http_chunk(nc, "%s", "my response!");
* mg_send_http_chunk(nc, "", 0); // Tell the client we're finished
* ```
*/
void mg_send_http_chunk(struct mg_connection *nc, const char *buf, size_t len);
/*
* Sends a printf-formatted HTTP chunk.
* Functionality is similar to `mg_send_http_chunk()`.
*/
void mg_printf_http_chunk(struct mg_connection *nc, const char *fmt, ...);
/*
* Sends the response status line.
* If `extra_headers` is not NULL, then `extra_headers` are also sent
* after the response line. `extra_headers` must NOT end end with new line.
* Example:
*
* mg_send_response_line(nc, 200, "Access-Control-Allow-Origin: *");
*
* Will result in:
*
* HTTP/1.1 200 OK\r\n
* Access-Control-Allow-Origin: *\r\n
*/
void mg_send_response_line(struct mg_connection *nc, int status_code,
const char *extra_headers);
/*
* Sends an error response. If reason is NULL, the message will be inferred
* from the error code (if supported).
*/
void mg_http_send_error(struct mg_connection *nc, int code, const char *reason);
/*
* Sends a redirect response.
* `status_code` should be either 301 or 302 and `location` point to the
* new location.
* If `extra_headers` is not empty, then `extra_headers` are also sent
* after the response line. `extra_headers` must NOT end end with new line.
*
* Example:
*
* mg_http_send_redirect(nc, 302, mg_mk_str("/login"), mg_mk_str(NULL));
*/
void mg_http_send_redirect(struct mg_connection *nc, int status_code,
const struct mg_str location,
const struct mg_str extra_headers);
/*
* Sends the response line and headers.
* This function sends the response line with the `status_code`, and
* automatically
* sends one header: either "Content-Length" or "Transfer-Encoding".
* If `content_length` is negative, then "Transfer-Encoding: chunked" header
* is sent, otherwise, "Content-Length" header is sent.
*
* NOTE: If `Transfer-Encoding` is `chunked`, then message body must be sent
* using `mg_send_http_chunk()` or `mg_printf_http_chunk()` functions.
* Otherwise, `mg_send()` or `mg_printf()` must be used.
* Extra headers could be set through `extra_headers`. Note `extra_headers`
* must NOT be terminated by a new line.
*/
void mg_send_head(struct mg_connection *n, int status_code,
int64_t content_length, const char *extra_headers);
/*
* Sends a printf-formatted HTTP chunk, escaping HTML tags.
*/
void mg_printf_html_escape(struct mg_connection *nc, const char *fmt, ...);
#if MG_ENABLE_HTTP_URL_REWRITES
/*
* Proxies a given request to a given upstream http server. The path prefix
* in `mount` will be stripped of the path requested to the upstream server,
* e.g. if mount is /api and upstream is http://localhost:8001/foo
* then an incoming request to /api/bar will cause a request to
* http://localhost:8001/foo/bar
*
* EXPERIMENTAL API. Please use http_serve_http + url_rewrites if a static
* mapping is good enough.
*/
void mg_http_reverse_proxy(struct mg_connection *nc,
const struct http_message *hm, struct mg_str mount,
struct mg_str upstream);
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* MG_ENABLE_HTTP */
#endif /* CS_MONGOOSE_SRC_HTTP_SERVER_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_http_client.h"
#endif
/*
* === Client API reference
*/
#ifndef CS_MONGOOSE_SRC_HTTP_CLIENT_H_
#define CS_MONGOOSE_SRC_HTTP_CLIENT_H_
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* Helper function that creates an outbound HTTP connection.
*
* `url` is the URL to fetch. It must be properly URL-encoded, e.g. have
* no spaces, etc. By default, `mg_connect_http()` sends the Connection and
* Host headers. `extra_headers` is an extra HTTP header to send, e.g.
* `"User-Agent: my-app\r\n"`.
* If `post_data` is NULL, then a GET request is created. Otherwise, a POST
* request is created with the specified POST data. Note that if the data being
* posted is a form submission, the `Content-Type` header should be set
* accordingly (see example below).
*
* Examples:
*
* ```c
* nc1 = mg_connect_http(mgr, ev_handler_1, "http://www.google.com", NULL,
* NULL);
* nc2 = mg_connect_http(mgr, ev_handler_1, "https://github.com", NULL, NULL);
* nc3 = mg_connect_http(
* mgr, ev_handler_1, "my_server:8000/form_submit/",
* "Content-Type: application/x-www-form-urlencoded\r\n",
* "var_1=value_1&var_2=value_2");
* ```
*/
struct mg_connection *mg_connect_http(
struct mg_mgr *mgr,
MG_CB(mg_event_handler_t event_handler, void *user_data), const char *url,
const char *extra_headers, const char *post_data);
/*
* Helper function that creates an outbound HTTP connection.
*
* Mostly identical to mg_connect_http, but allows you to provide extra
*parameters
* (for example, SSL parameters)
*/
struct mg_connection *mg_connect_http_opt(
struct mg_mgr *mgr, MG_CB(mg_event_handler_t ev_handler, void *user_data),
struct mg_connect_opts opts, const char *url, const char *extra_headers,
const char *post_data);
/* Creates digest authentication header for a client request. */
int mg_http_create_digest_auth_header(char *buf, size_t buf_len,
const char *method, const char *uri,
const char *auth_domain, const char *user,
const char *passwd, const char *nonce);
int mg_http_create_digest_auth_header_algo(char *buf, size_t buf_len,
const char *method, const char *uri,
const char *auth_domain,
const char *user, const char *passwd,
const char *nonce,
enum mg_auth_algo algo);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_MONGOOSE_SRC_HTTP_CLIENT_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_mqtt.h"
#endif
/*
* === MQTT API reference
*/
#ifndef CS_MONGOOSE_SRC_MQTT_H_
#define CS_MONGOOSE_SRC_MQTT_H_
/* Amalgamated: #include "mg_net.h" */
struct mg_mqtt_message {
int cmd;
int qos;
int len; /* message length in the IO buffer */
struct mg_str topic;
struct mg_str payload;
uint8_t connack_ret_code; /* connack */
uint16_t message_id; /* puback */
/* connect */
uint8_t protocol_version;
uint8_t connect_flags;
uint16_t keep_alive_timer;
struct mg_str protocol_name;
struct mg_str client_id;
struct mg_str will_topic;
struct mg_str will_message;
struct mg_str user_name;
struct mg_str password;
};
struct mg_mqtt_topic_expression {
const char *topic;
uint8_t qos;
};
struct mg_send_mqtt_handshake_opts {
unsigned char flags; /* connection flags */
uint16_t keep_alive;
const char *will_topic;
const char *will_message;
const char *user_name;
const char *password;
};
/* mg_mqtt_proto_data should be in header to allow external access to it */
struct mg_mqtt_proto_data {
uint16_t keep_alive;
double last_control_time;
};
/* Message types */
#define MG_MQTT_CMD_CONNECT 1
#define MG_MQTT_CMD_CONNACK 2
#define MG_MQTT_CMD_PUBLISH 3
#define MG_MQTT_CMD_PUBACK 4
#define MG_MQTT_CMD_PUBREC 5
#define MG_MQTT_CMD_PUBREL 6
#define MG_MQTT_CMD_PUBCOMP 7
#define MG_MQTT_CMD_SUBSCRIBE 8
#define MG_MQTT_CMD_SUBACK 9
#define MG_MQTT_CMD_UNSUBSCRIBE 10
#define MG_MQTT_CMD_UNSUBACK 11
#define MG_MQTT_CMD_PINGREQ 12
#define MG_MQTT_CMD_PINGRESP 13
#define MG_MQTT_CMD_DISCONNECT 14
/* MQTT event types */
#define MG_MQTT_EVENT_BASE 200
#define MG_EV_MQTT_CONNECT (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_CONNECT)
#define MG_EV_MQTT_CONNACK (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_CONNACK)
#define MG_EV_MQTT_PUBLISH (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_PUBLISH)
#define MG_EV_MQTT_PUBACK (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_PUBACK)
#define MG_EV_MQTT_PUBREC (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_PUBREC)
#define MG_EV_MQTT_PUBREL (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_PUBREL)
#define MG_EV_MQTT_PUBCOMP (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_PUBCOMP)
#define MG_EV_MQTT_SUBSCRIBE (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_SUBSCRIBE)
#define MG_EV_MQTT_SUBACK (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_SUBACK)
#define MG_EV_MQTT_UNSUBSCRIBE (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_UNSUBSCRIBE)
#define MG_EV_MQTT_UNSUBACK (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_UNSUBACK)
#define MG_EV_MQTT_PINGREQ (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_PINGREQ)
#define MG_EV_MQTT_PINGRESP (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_PINGRESP)
#define MG_EV_MQTT_DISCONNECT (MG_MQTT_EVENT_BASE + MG_MQTT_CMD_DISCONNECT)
/* Message flags */
#define MG_MQTT_RETAIN 0x1
#define MG_MQTT_QOS(qos) ((qos) << 1)
#define MG_MQTT_GET_QOS(flags) (((flags) &0x6) >> 1)
#define MG_MQTT_SET_QOS(flags, qos) (flags) = ((flags) & ~0x6) | ((qos) << 1)
#define MG_MQTT_DUP 0x8
/* Connection flags */
#define MG_MQTT_CLEAN_SESSION 0x02
#define MG_MQTT_HAS_WILL 0x04
#define MG_MQTT_WILL_RETAIN 0x20
#define MG_MQTT_HAS_PASSWORD 0x40
#define MG_MQTT_HAS_USER_NAME 0x80
#define MG_MQTT_GET_WILL_QOS(flags) (((flags) &0x18) >> 3)
#define MG_MQTT_SET_WILL_QOS(flags, qos) \
(flags) = ((flags) & ~0x18) | ((qos) << 3)
/* CONNACK return codes */
#define MG_EV_MQTT_CONNACK_ACCEPTED 0
#define MG_EV_MQTT_CONNACK_UNACCEPTABLE_VERSION 1
#define MG_EV_MQTT_CONNACK_IDENTIFIER_REJECTED 2
#define MG_EV_MQTT_CONNACK_SERVER_UNAVAILABLE 3
#define MG_EV_MQTT_CONNACK_BAD_AUTH 4
#define MG_EV_MQTT_CONNACK_NOT_AUTHORIZED 5
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* Attaches a built-in MQTT event handler to the given connection.
*
* The user-defined event handler will receive following extra events:
*
* - MG_EV_MQTT_CONNACK
* - MG_EV_MQTT_PUBLISH
* - MG_EV_MQTT_PUBACK
* - MG_EV_MQTT_PUBREC
* - MG_EV_MQTT_PUBREL
* - MG_EV_MQTT_PUBCOMP
* - MG_EV_MQTT_SUBACK
*/
void mg_set_protocol_mqtt(struct mg_connection *nc);
/* Sends an MQTT handshake. */
void mg_send_mqtt_handshake(struct mg_connection *nc, const char *client_id);
/* Sends an MQTT handshake with optional parameters. */
void mg_send_mqtt_handshake_opt(struct mg_connection *nc, const char *client_id,
struct mg_send_mqtt_handshake_opts);
/* Publishes a message to a given topic. */
void mg_mqtt_publish(struct mg_connection *nc, const char *topic,
uint16_t message_id, int flags, const void *data,
size_t len);
/* Subscribes to a bunch of topics. */
void mg_mqtt_subscribe(struct mg_connection *nc,
const struct mg_mqtt_topic_expression *topics,
size_t topics_len, uint16_t message_id);
/* Unsubscribes from a bunch of topics. */
void mg_mqtt_unsubscribe(struct mg_connection *nc, char **topics,
size_t topics_len, uint16_t message_id);
/* Sends a DISCONNECT command. */
void mg_mqtt_disconnect(struct mg_connection *nc);
/* Sends a CONNACK command with a given `return_code`. */
void mg_mqtt_connack(struct mg_connection *nc, uint8_t return_code);
/* Sends a PUBACK command with a given `message_id`. */
void mg_mqtt_puback(struct mg_connection *nc, uint16_t message_id);
/* Sends a PUBREC command with a given `message_id`. */
void mg_mqtt_pubrec(struct mg_connection *nc, uint16_t message_id);
/* Sends a PUBREL command with a given `message_id`. */
void mg_mqtt_pubrel(struct mg_connection *nc, uint16_t message_id);
/* Sends a PUBCOMP command with a given `message_id`. */
void mg_mqtt_pubcomp(struct mg_connection *nc, uint16_t message_id);
/*
* Sends a SUBACK command with a given `message_id`
* and a sequence of granted QoSs.
*/
void mg_mqtt_suback(struct mg_connection *nc, uint8_t *qoss, size_t qoss_len,
uint16_t message_id);
/* Sends a UNSUBACK command with a given `message_id`. */
void mg_mqtt_unsuback(struct mg_connection *nc, uint16_t message_id);
/* Sends a PINGREQ command. */
void mg_mqtt_ping(struct mg_connection *nc);
/* Sends a PINGRESP command. */
void mg_mqtt_pong(struct mg_connection *nc);
/*
* Extracts the next topic expression from a SUBSCRIBE command payload.
*
* The topic expression name will point to a string in the payload buffer.
* Returns the pos of the next topic expression or -1 when the list
* of topics is exhausted.
*/
int mg_mqtt_next_subscribe_topic(struct mg_mqtt_message *msg,
struct mg_str *topic, uint8_t *qos, int pos);
/*
* Matches a topic against a topic expression
*
* Returns 1 if it matches; 0 otherwise.
*/
int mg_mqtt_match_topic_expression(struct mg_str exp, struct mg_str topic);
/*
* Same as `mg_mqtt_match_topic_expression()`, but takes `exp` as a
* NULL-terminated string.
*/
int mg_mqtt_vmatch_topic_expression(const char *exp, struct mg_str topic);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_MONGOOSE_SRC_MQTT_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_mqtt_server.h"
#endif
/*
* === MQTT Server API reference
*/
#ifndef CS_MONGOOSE_SRC_MQTT_BROKER_H_
#define CS_MONGOOSE_SRC_MQTT_BROKER_H_
#if MG_ENABLE_MQTT_BROKER
/* Amalgamated: #include "common/queue.h" */
/* Amalgamated: #include "mg_mqtt.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifndef MG_MQTT_MAX_SESSION_SUBSCRIPTIONS
#define MG_MQTT_MAX_SESSION_SUBSCRIPTIONS 512
#endif
struct mg_mqtt_broker;
/* MQTT session (Broker side). */
struct mg_mqtt_session {
struct mg_mqtt_broker *brk; /* Broker */
LIST_ENTRY(mg_mqtt_session) link; /* mg_mqtt_broker::sessions linkage */
struct mg_connection *nc; /* Connection with the client */
size_t num_subscriptions; /* Size of `subscriptions` array */
void *user_data; /* User data */
struct mg_mqtt_topic_expression *subscriptions;
};
/* MQTT broker. */
struct mg_mqtt_broker {
LIST_HEAD(_mg_sesshead, mg_mqtt_session) sessions; /* Session list */
void *user_data; /* User data */
};
/* Initialises a MQTT broker. */
void mg_mqtt_broker_init(struct mg_mqtt_broker *brk, void *user_data);
/*
* Processes a MQTT broker message.
*
* The listening connection expects a pointer to an initialised
* `mg_mqtt_broker` structure in the `user_data` field.
*
* Basic usage:
*
* ```c
* mg_mqtt_broker_init(&brk, NULL);
*
* if ((nc = mg_bind(&mgr, address, mg_mqtt_broker)) == NULL) {
* // fail;
* }
* nc->user_data = &brk;
* ```
*
* New incoming connections will receive a `mg_mqtt_session` structure
* in the connection `user_data`. The original `user_data` will be stored
* in the `user_data` field of the session structure. This allows the user
* handler to store user data before `mg_mqtt_broker` creates the session.
*
* Since only the MG_EV_ACCEPT message is processed by the listening socket,
* for most events the `user_data` will thus point to a `mg_mqtt_session`.
*/
void mg_mqtt_broker(struct mg_connection *brk, int ev, void *data);
/*
* Iterates over all MQTT session connections. Example:
*
* ```c
* struct mg_mqtt_session *s;
* for (s = mg_mqtt_next(brk, NULL); s != NULL; s = mg_mqtt_next(brk, s)) {
* // Do something
* }
* ```
*/
struct mg_mqtt_session *mg_mqtt_next(struct mg_mqtt_broker *brk,
struct mg_mqtt_session *s);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* MG_ENABLE_MQTT_BROKER */
#endif /* CS_MONGOOSE_SRC_MQTT_BROKER_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_dns.h"
#endif
/*
* === DNS API reference
*/
#ifndef CS_MONGOOSE_SRC_DNS_H_
#define CS_MONGOOSE_SRC_DNS_H_
/* Amalgamated: #include "mg_net.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define MG_DNS_A_RECORD 0x01 /* Lookup IP address */
#define MG_DNS_CNAME_RECORD 0x05 /* Lookup CNAME */
#define MG_DNS_PTR_RECORD 0x0c /* Lookup PTR */
#define MG_DNS_TXT_RECORD 0x10 /* Lookup TXT */
#define MG_DNS_AAAA_RECORD 0x1c /* Lookup IPv6 address */
#define MG_DNS_SRV_RECORD 0x21 /* Lookup SRV */
#define MG_DNS_MX_RECORD 0x0f /* Lookup mail server for domain */
#define MG_DNS_ANY_RECORD 0xff
#define MG_DNS_NSEC_RECORD 0x2f
#ifndef MG_MAX_DNS_QUESTIONS
#define MG_MAX_DNS_QUESTIONS 32
#endif
#ifndef MG_MAX_DNS_ANSWERS
#define MG_MAX_DNS_ANSWERS 32
#endif
#define MG_DNS_MESSAGE 100 /* High-level DNS message event */
enum mg_dns_resource_record_kind {
MG_DNS_INVALID_RECORD = 0,
MG_DNS_QUESTION,
MG_DNS_ANSWER
};
/* DNS resource record. */
struct mg_dns_resource_record {
struct mg_str name; /* buffer with compressed name */
int rtype;
int rclass;
int ttl;
enum mg_dns_resource_record_kind kind;
struct mg_str rdata; /* protocol data (can be a compressed name) */
};
/* DNS message (request and response). */
struct mg_dns_message {
struct mg_str pkt; /* packet body */
uint16_t flags;
uint16_t transaction_id;
int num_questions;
int num_answers;
struct mg_dns_resource_record questions[MG_MAX_DNS_QUESTIONS];
struct mg_dns_resource_record answers[MG_MAX_DNS_ANSWERS];
};
struct mg_dns_resource_record *mg_dns_next_record(
struct mg_dns_message *msg, int query, struct mg_dns_resource_record *prev);
/*
* Parses the record data from a DNS resource record.
*
* - A: struct in_addr *ina
* - AAAA: struct in6_addr *ina
* - CNAME: char buffer
*
* Returns -1 on error.
*
* TODO(mkm): MX
*/
int mg_dns_parse_record_data(struct mg_dns_message *msg,
struct mg_dns_resource_record *rr, void *data,
size_t data_len);
/*
* Sends a DNS query to the remote end.
*/
void mg_send_dns_query(struct mg_connection *nc, const char *name,
int query_type);
/*
* Inserts a DNS header to an IO buffer.
*
* Returns the number of bytes inserted.
*/
int mg_dns_insert_header(struct mbuf *io, size_t pos,
struct mg_dns_message *msg);
/*
* Appends already encoded questions from an existing message.
*
* This is useful when generating a DNS reply message which includes
* all question records.
*
* Returns the number of appended bytes.
*/
int mg_dns_copy_questions(struct mbuf *io, struct mg_dns_message *msg);
/*
* Encodes and appends a DNS resource record to an IO buffer.
*
* The record metadata is taken from the `rr` parameter, while the name and data
* are taken from the parameters, encoded in the appropriate format depending on
* record type and stored in the IO buffer. The encoded values might contain
* offsets within the IO buffer. It's thus important that the IO buffer doesn't
* get trimmed while a sequence of records are encoded while preparing a DNS
* reply.
*
* This function doesn't update the `name` and `rdata` pointers in the `rr`
* struct because they might be invalidated as soon as the IO buffer grows
* again.
*
* Returns the number of bytes appended or -1 in case of error.
*/
int mg_dns_encode_record(struct mbuf *io, struct mg_dns_resource_record *rr,
const char *name, size_t nlen, const void *rdata,
size_t rlen);
/*
* Encodes a DNS name.
*/
int mg_dns_encode_name(struct mbuf *io, const char *name, size_t len);
int mg_dns_encode_name_s(struct mbuf *io, struct mg_str name);
/* Low-level: parses a DNS response. */
int mg_parse_dns(const char *buf, int len, struct mg_dns_message *msg);
/*
* Uncompresses a DNS compressed name.
*
* The containing DNS message is required because of the compressed encoding
* and reference suffixes present elsewhere in the packet.
*
* If the name is less than `dst_len` characters long, the remainder
* of `dst` is terminated with `\0` characters. Otherwise, `dst` is not
* terminated.
*
* If `dst_len` is 0 `dst` can be NULL.
* Returns the uncompressed name length.
*/
size_t mg_dns_uncompress_name(struct mg_dns_message *msg, struct mg_str *name,
char *dst, int dst_len);
/*
* Attaches a built-in DNS event handler to the given listening connection.
*
* The DNS event handler parses the incoming UDP packets, treating them as DNS
* requests. If an incoming packet gets successfully parsed by the DNS event
* handler, a user event handler will receive an `MG_DNS_REQUEST` event, with
* `ev_data` pointing to the parsed `struct mg_dns_message`.
*
* See
* [captive_dns_server](https://github.com/cesanta/mongoose/tree/master/examples/captive_dns_server)
* example on how to handle DNS request and send DNS reply.
*/
void mg_set_protocol_dns(struct mg_connection *nc);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_MONGOOSE_SRC_DNS_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_dns_server.h"
#endif
/*
* === DNS server API reference
*
* Disabled by default; enable with `-DMG_ENABLE_DNS_SERVER`.
*/
#ifndef CS_MONGOOSE_SRC_DNS_SERVER_H_
#define CS_MONGOOSE_SRC_DNS_SERVER_H_
#if MG_ENABLE_DNS_SERVER
/* Amalgamated: #include "mg_dns.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define MG_DNS_SERVER_DEFAULT_TTL 3600
struct mg_dns_reply {
struct mg_dns_message *msg;
struct mbuf *io;
size_t start;
};
/*
* Creates a DNS reply.
*
* The reply will be based on an existing query message `msg`.
* The query body will be appended to the output buffer.
* "reply + recursion allowed" will be added to the message flags and the
* message's num_answers will be set to 0.
*
* Answer records can be appended with `mg_dns_send_reply` or by lower
* level function defined in the DNS API.
*
* In order to send a reply use `mg_dns_send_reply`.
* It's possible to use a connection's send buffer as reply buffer,
* and it will work for both UDP and TCP connections.
*
* Example:
*
* ```c
* reply = mg_dns_create_reply(&nc->send_mbuf, msg);
* for (i = 0; i < msg->num_questions; i++) {
* rr = &msg->questions[i];
* if (rr->rtype == MG_DNS_A_RECORD) {
* mg_dns_reply_record(&reply, rr, 3600, &dummy_ip_addr, 4);
* }
* }
* mg_dns_send_reply(nc, &reply);
* ```
*/
struct mg_dns_reply mg_dns_create_reply(struct mbuf *io,
struct mg_dns_message *msg);
/*
* Appends a DNS reply record to the IO buffer and to the DNS message.
*
* The message's num_answers field will be incremented. It's the caller's duty
* to ensure num_answers is properly initialised.
*
* Returns -1 on error.
*/
int mg_dns_reply_record(struct mg_dns_reply *reply,
struct mg_dns_resource_record *question,
const char *name, int rtype, int ttl, const void *rdata,
size_t rdata_len);
/*
* Sends a DNS reply through a connection.
*
* The DNS data is stored in an IO buffer pointed by reply structure in `r`.
* This function mutates the content of that buffer in order to ensure that
* the DNS header reflects the size and flags of the message, that might have
* been updated either with `mg_dns_reply_record` or by direct manipulation of
* `r->message`.
*
* Once sent, the IO buffer will be trimmed unless the reply IO buffer
* is the connection's send buffer and the connection is not in UDP mode.
*/
void mg_dns_send_reply(struct mg_connection *nc, struct mg_dns_reply *r);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* MG_ENABLE_DNS_SERVER */
#endif /* CS_MONGOOSE_SRC_DNS_SERVER_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_resolv.h"
#endif
/*
* === API reference
*/
#ifndef CS_MONGOOSE_SRC_RESOLV_H_
#define CS_MONGOOSE_SRC_RESOLV_H_
/* Amalgamated: #include "mg_dns.h" */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
enum mg_resolve_err {
MG_RESOLVE_OK = 0,
MG_RESOLVE_NO_ANSWERS = 1,
MG_RESOLVE_EXCEEDED_RETRY_COUNT = 2,
MG_RESOLVE_TIMEOUT = 3
};
typedef void (*mg_resolve_callback_t)(struct mg_dns_message *dns_message,
void *user_data, enum mg_resolve_err);
/* Options for `mg_resolve_async_opt`. */
struct mg_resolve_async_opts {
const char *nameserver;
int max_retries; /* defaults to 2 if zero */
int timeout; /* in seconds; defaults to 5 if zero */
int accept_literal; /* pseudo-resolve literal ipv4 and ipv6 addrs */
int only_literal; /* only resolves literal addrs; sync cb invocation */
struct mg_connection **dns_conn; /* return DNS connection */
};
/* See `mg_resolve_async_opt()` */
int mg_resolve_async(struct mg_mgr *mgr, const char *name, int query,
mg_resolve_callback_t cb, void *data);
/* Set default DNS server */
void mg_set_nameserver(struct mg_mgr *mgr, const char *nameserver);
/*
* Resolved a DNS name asynchronously.
*
* Upon successful resolution, the user callback will be invoked
* with the full DNS response message and a pointer to the user's
* context `data`.
*
* In case of timeout while performing the resolution the callback
* will receive a NULL `msg`.
*
* The DNS answers can be extracted with `mg_next_record` and
* `mg_dns_parse_record_data`:
*
* [source,c]
* ----
* struct in_addr ina;
* struct mg_dns_resource_record *rr = mg_next_record(msg, MG_DNS_A_RECORD,
* NULL);
* mg_dns_parse_record_data(msg, rr, &ina, sizeof(ina));
* ----
*/
int mg_resolve_async_opt(struct mg_mgr *mgr, const char *name, int query,
mg_resolve_callback_t cb, void *data,
struct mg_resolve_async_opts opts);
/*
* Resolve a name from `/etc/hosts`.
*
* Returns 0 on success, -1 on failure.
*/
int mg_resolve_from_hosts_file(const char *host, union socket_address *usa);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CS_MONGOOSE_SRC_RESOLV_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_coap.h"
#endif
/*
* === CoAP API reference
*
* CoAP message format:
*
* ```
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
* |Ver| T | TKL | Code | Message ID | Token (if any, TKL bytes) ...
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
* | Options (if any) ... |1 1 1 1 1 1 1 1| Payload (if any) ...
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
* ```
*/
#ifndef CS_MONGOOSE_SRC_COAP_H_
#define CS_MONGOOSE_SRC_COAP_H_
#if MG_ENABLE_COAP
#define MG_COAP_MSG_TYPE_FIELD 0x2
#define MG_COAP_CODE_CLASS_FIELD 0x4
#define MG_COAP_CODE_DETAIL_FIELD 0x8
#define MG_COAP_MSG_ID_FIELD 0x10
#define MG_COAP_TOKEN_FIELD 0x20
#define MG_COAP_OPTIOMG_FIELD 0x40
#define MG_COAP_PAYLOAD_FIELD 0x80
#define MG_COAP_ERROR 0x10000
#define MG_COAP_FORMAT_ERROR (MG_COAP_ERROR | 0x20000)
#define MG_COAP_IGNORE (MG_COAP_ERROR | 0x40000)
#define MG_COAP_NOT_ENOUGH_DATA (MG_COAP_ERROR | 0x80000)
#define MG_COAP_NETWORK_ERROR (MG_COAP_ERROR | 0x100000)
#define MG_COAP_MSG_CON 0
#define MG_COAP_MSG_NOC 1
#define MG_COAP_MSG_ACK 2
#define MG_COAP_MSG_RST 3
#define MG_COAP_MSG_MAX 3
#define MG_COAP_CODECLASS_REQUEST 0
#define MG_COAP_CODECLASS_RESP_OK 2
#define MG_COAP_CODECLASS_CLIENT_ERR 4
#define MG_COAP_CODECLASS_SRV_ERR 5
#define MG_COAP_EVENT_BASE 300
#define MG_EV_COAP_CON (MG_COAP_EVENT_BASE + MG_COAP_MSG_CON)
#define MG_EV_COAP_NOC (MG_COAP_EVENT_BASE + MG_COAP_MSG_NOC)
#define MG_EV_COAP_ACK (MG_COAP_EVENT_BASE + MG_COAP_MSG_ACK)
#define MG_EV_COAP_RST (MG_COAP_EVENT_BASE + MG_COAP_MSG_RST)
/*
* CoAP options.
* Use mg_coap_add_option and mg_coap_free_options
* for creation and destruction.
*/
struct mg_coap_option {
struct mg_coap_option *next;
uint32_t number;
struct mg_str value;
};
/* CoAP message. See RFC 7252 for details. */
struct mg_coap_message {
uint32_t flags;
uint8_t msg_type;
uint8_t code_class;
uint8_t code_detail;
uint16_t msg_id;
struct mg_str token;
struct mg_coap_option *options;
struct mg_str payload;
struct mg_coap_option *optiomg_tail;
};
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Sets CoAP protocol handler - triggers CoAP specific events. */
int mg_set_protocol_coap(struct mg_connection *nc);
/*
* Adds a new option to mg_coap_message structure.
* Returns pointer to the newly created option.
* Note: options must be freed by using mg_coap_free_options
*/
struct mg_coap_option *mg_coap_add_option(struct mg_coap_message *cm,
uint32_t number, char *value,
size_t len);
/*
* Frees the memory allocated for options.
* If the cm parameter doesn't contain any option it does nothing.
*/
void mg_coap_free_options(struct mg_coap_message *cm);
/*
* Composes a CoAP message from `mg_coap_message`
* and sends it into `nc` connection.
* Returns 0 on success. On error, it is a bitmask:
*
* - `#define MG_COAP_ERROR 0x10000`
* - `#define MG_COAP_FORMAT_ERROR (MG_COAP_ERROR | 0x20000)`
* - `#define MG_COAP_IGNORE (MG_COAP_ERROR | 0x40000)`
* - `#define MG_COAP_NOT_ENOUGH_DATA (MG_COAP_ERROR | 0x80000)`
* - `#define MG_COAP_NETWORK_ERROR (MG_COAP_ERROR | 0x100000)`
*/
uint32_t mg_coap_send_message(struct mg_connection *nc,
struct mg_coap_message *cm);
/*
* Composes CoAP acknowledgement from `mg_coap_message`
* and sends it into `nc` connection.
* Return value: see `mg_coap_send_message()`
*/
uint32_t mg_coap_send_ack(struct mg_connection *nc, uint16_t msg_id);
/*
* Parses CoAP message and fills mg_coap_message and returns cm->flags.
* This is a helper function.
*
* NOTE: usually CoAP works over UDP, so lack of data means format error.
* But, in theory, it is possible to use CoAP over TCP (according to RFC)
*
* The caller has to check results and treat COAP_NOT_ENOUGH_DATA according to
* underlying protocol:
*
* - in case of UDP COAP_NOT_ENOUGH_DATA means COAP_FORMAT_ERROR,
* - in case of TCP client can try to receive more data
*
* Return value: see `mg_coap_send_message()`
*/
uint32_t mg_coap_parse(struct mbuf *io, struct mg_coap_message *cm);
/*
* Composes CoAP message from mg_coap_message structure.
* This is a helper function.
* Return value: see `mg_coap_send_message()`
*/
uint32_t mg_coap_compose(struct mg_coap_message *cm, struct mbuf *io);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* MG_ENABLE_COAP */
#endif /* CS_MONGOOSE_SRC_COAP_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_sntp.h"
#endif
#ifndef CS_MONGOOSE_SRC_SNTP_H_
#define CS_MONGOOSE_SRC_SNTP_H_
#if MG_ENABLE_SNTP
#define MG_SNTP_EVENT_BASE 500
/*
* Received reply from time server. Event handler parameter contains
* pointer to mg_sntp_message structure
*/
#define MG_SNTP_REPLY (MG_SNTP_EVENT_BASE + 1)
/* Received malformed SNTP packet */
#define MG_SNTP_MALFORMED_REPLY (MG_SNTP_EVENT_BASE + 2)
/* Failed to get time from server (timeout etc) */
#define MG_SNTP_FAILED (MG_SNTP_EVENT_BASE + 3)
struct mg_sntp_message {
/* if server sends this flags, user should not send requests to it */
int kiss_of_death;
/* usual mg_time */
double time;
};
/* Establishes connection to given sntp server */
struct mg_connection *mg_sntp_connect(struct mg_mgr *mgr,
MG_CB(mg_event_handler_t event_handler,
void *user_data),
const char *sntp_server_name);
/* Sends time request to given connection */
void mg_sntp_send_request(struct mg_connection *c);
/*
* Helper function
* Establishes connection to time server, tries to send request
* repeats sending SNTP_ATTEMPTS times every SNTP_TIMEOUT sec
* (if needed)
* See sntp_client example
*/
struct mg_connection *mg_sntp_get_time(struct mg_mgr *mgr,
mg_event_handler_t event_handler,
const char *sntp_server_name);
#endif
#endif /* CS_MONGOOSE_SRC_SNTP_H_ */
#ifdef MG_MODULE_LINES
#line 1 "src/mg_socks.h"
#endif
#ifndef CS_MONGOOSE_SRC_SOCKS_H_
#define CS_MONGOOSE_SRC_SOCKS_H_
#if MG_ENABLE_SOCKS
#define MG_SOCKS_VERSION 5
#define MG_SOCKS_HANDSHAKE_DONE MG_F_USER_1
#define MG_SOCKS_CONNECT_DONE MG_F_USER_2
/* SOCKS5 handshake methods */
enum mg_socks_handshake_method {
MG_SOCKS_HANDSHAKE_NOAUTH = 0, /* Handshake method - no authentication */
MG_SOCKS_HANDSHAKE_GSSAPI = 1, /* Handshake method - GSSAPI auth */
MG_SOCKS_HANDSHAKE_USERPASS = 2, /* Handshake method - user/password auth */
MG_SOCKS_HANDSHAKE_FAILURE = 0xff, /* Handshake method - failure */
};
/* SOCKS5 commands */
enum mg_socks_command {
MG_SOCKS_CMD_CONNECT = 1, /* Command: CONNECT */
MG_SOCKS_CMD_BIND = 2, /* Command: BIND */
MG_SOCKS_CMD_UDP_ASSOCIATE = 3, /* Command: UDP ASSOCIATE */
};
/* SOCKS5 address types */
enum mg_socks_address_type {
MG_SOCKS_ADDR_IPV4 = 1, /* Address type: IPv4 */
MG_SOCKS_ADDR_DOMAIN = 3, /* Address type: Domain name */
MG_SOCKS_ADDR_IPV6 = 4, /* Address type: IPv6 */
};
/* SOCKS5 response codes */
enum mg_socks_response {
MG_SOCKS_SUCCESS = 0, /* Response: success */
MG_SOCKS_FAILURE = 1, /* Response: failure */
MG_SOCKS_NOT_ALLOWED = 2, /* Response: connection not allowed */
MG_SOCKS_NET_UNREACHABLE = 3, /* Response: network unreachable */
MG_SOCKS_HOST_UNREACHABLE = 4, /* Response: network unreachable */
MG_SOCKS_CONN_REFUSED = 5, /* Response: network unreachable */
MG_SOCKS_TTL_EXPIRED = 6, /* Response: network unreachable */
MG_SOCKS_CMD_NOT_SUPPORTED = 7, /* Response: network unreachable */
MG_SOCKS_ADDR_NOT_SUPPORTED = 8, /* Response: network unreachable */
};
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Turn the connection into the SOCKS server */
void mg_set_protocol_socks(struct mg_connection *c);
/* Create socks tunnel for the client connection */
struct mg_iface *mg_socks_mk_iface(struct mg_mgr *, const char *proxy_addr);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
#endif
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