mongoose.h

/*
 * Copyright (c) 2004-2013 Sergey Lyubka
 * Copyright (c) 2013-2015 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>.
 */

#ifndef CS_MONGOOSE_SRC_COMMON_H_
#define CS_MONGOOSE_SRC_COMMON_H_

#define MG_VERSION "6.3"

/* Local tweaks, applied before any of Mongoose's own headers. */
#ifdef MG_LOCALS
#include <mg_locals.h>
#endif

#if defined(MG_ENABLE_DEBUG) && !defined(CS_ENABLE_DEBUG)
#define CS_ENABLE_DEBUG
#endif
#if defined(MG_DISABLE_STDIO) && !defined(CS_DISABLE_STDIO)
#define CS_DISABLE_STDIO
#endif

/* All of the below features depend on filesystem access, disable them. */
#ifdef MG_DISABLE_FILESYSTEM
#ifndef MG_DISABLE_DAV
#define MG_DISABLE_DAV
#endif
#ifndef MG_DISABLE_CGI
#define MG_DISABLE_CGI
#endif
#ifndef MG_DISABLE_DIRECTORY_LISTING
#define MG_DISABLE_DIRECTORY_LISTING
#endif
#ifndef MG_DISABLE_DAV
#define MG_DISABLE_DAV
#endif
#endif /* MG_DISABLE_FILESYSTEM */

#ifdef MG_NO_BSD_SOCKETS
#ifndef MG_DISABLE_SYNC_RESOLVER
#define MG_DISABLE_SYNC_RESOLVER
#endif
#ifndef MG_DISABLE_SOCKETPAIR
#define MG_DISABLE_SOCKETPAIR
#endif
#endif /* MG_NO_BSD_SOCKETS */


#endif /* CS_MONGOOSE_SRC_COMMON_H_ */
#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_ESP_LWIP 3
#define CS_P_CC3200 4

/* If not specified explicitly, we guess platform by defines. */
#ifndef CS_PLATFORM

#if defined(__unix__) || defined(__APPLE__)
#define CS_PLATFORM CS_P_UNIX
#elif defined(_WIN32)
#define CS_PLATFORM CS_P_WINDOWS
#endif

#ifndef CS_PLATFORM
#error "CS_PLATFORM is not specified and we couldn't guess it."
#endif

#endif /* !defined(CS_PLATFORM) */


/* Common stuff */

#ifdef __GNUC__
#define NORETURN __attribute__((noreturn))
#define UNUSED __attribute__((unused))
#define NOINLINE __attribute__((noinline))
#define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#else
#define NORETURN
#define UNUSED
#define NOINLINE
#define WARN_UNUSED_RESULT
#endif /* __GNUC__ */

#ifndef ARRAY_SIZE
#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
#endif

#endif /* CS_COMMON_PLATFORM_H_ */
#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

#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>

#define random() rand()
#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>

#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 fileno _fileno
#define vsnprintf _vsnprintf
#define sleep(x) Sleep((x) *1000)
#define to64(x) _atoi64(x)
#define popen(x, y) _popen((x), (y))
#define pclose(x) _pclose(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
#define random() rand()
typedef int socklen_t;
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;
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"
#ifdef __MINGW32__
typedef struct stat cs_stat_t;
#else
typedef struct _stati64 cs_stat_t;
#endif
#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 '\\'

/* POSIX opendir/closedir/readdir API for Windows. */
struct dirent {
  char d_name[MAX_PATH];
};

typedef struct DIR {
  HANDLE handle;
  WIN32_FIND_DATAW info;
  struct dirent result;
} DIR;

DIR *opendir(const char *name);
int closedir(DIR *dir);
struct dirent *readdir(DIR *dir);

#ifndef va_copy
#ifdef __va_copy
#define va_copy __va_copy
#else
#define va_copy(x, y) (x) = (y)
#endif
#endif

#endif /* CS_PLATFORM == CS_P_WINDOWS */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_WINDOWS_H_ */
#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 <limits.h>
#include <math.h>
#include <netdb.h>
#include <netinet/in.h>
#include <pthread.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>

/*
 * osx correctly avoids defining strtoll when compiling in strict ansi mode.
 * We require strtoll, and if your embedded pre-c99 compiler lacks one, please
 * implement a shim.
 */
#if !(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
#define __cdecl

#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)

#endif /* CS_PLATFORM == CS_P_UNIX */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_UNIX_H_ */
#ifndef CS_COMMON_PLATFORMS_PLATFORM_ESP_LWIP_H_
#define CS_COMMON_PLATFORMS_PLATFORM_ESP_LWIP_H_
#if CS_PLATFORM == CS_P_ESP_LWIP

#include <assert.h>
#include <ctype.h>
#include <fcntl.h>
#include <inttypes.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.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

#define LWIP_TIMEVAL_PRIVATE 0

#if LWIP_SOCKET
#include <lwip/sockets.h>
#define SOMAXCONN 10
#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

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

unsigned long os_random(void);
#define random os_random

#endif /* CS_PLATFORM == CS_P_ESP_LWIP */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_ESP_LWIP_H_ */
/*
 * Copyright (c) 2014-2016 Cesanta Software Limited
 * All rights reserved
 */

#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>
#ifndef __TI_COMPILER_VERSION__
#include <fcntl.h>
#endif
#include <inttypes.h>
#include <stdint.h>
#include <time.h>

#include <simplelink.h>

#define SOMAXCONN 8

/* Undefine a bunch of conflicting symbols so we can use SDK defs verbatim. */

#undef FD_CLR
#undef FD_SET
#undef FD_ZERO
#undef FD_ISSET
#undef FD_SETSIZE
#undef fd_set

#undef EACCES
#undef EBADF
#undef EAGAIN
#undef EWOULDBLOCK
#undef ENOMEM
#undef EFAULT
#undef EINVAL
#undef EDESTADDRREQ
#undef EPROTOTYPE
#undef ENOPROTOOPT
#undef EPROTONOSUPPORT
#undef EOPNOTSUPP
#undef EAFNOSUPPORT
#undef EAFNOSUPPORT
#undef EADDRINUSE
#undef EADDRNOTAVAIL
#undef ENETUNREACH
#undef ENOBUFS
#undef EISCONN
#undef ENOTCONN
#undef ETIMEDOUT
#undef ECONNREFUSED

/* The following comes from $SDK/simplelink/include/socket.h */
/* clang-format off */
#define FD_SETSIZE                          SL_FD_SETSIZE

#define SOCK_STREAM                         SL_SOCK_STREAM
#define SOCK_DGRAM                          SL_SOCK_DGRAM
#define SOCK_RAW                            SL_SOCK_RAW
#define IPPROTO_TCP                         SL_IPPROTO_TCP
#define IPPROTO_UDP                         SL_IPPROTO_UDP
#define IPPROTO_RAW                         SL_IPPROTO_RAW

#define AF_INET                             SL_AF_INET
#define AF_INET6                            SL_AF_INET6
#define AF_INET6_EUI_48                     SL_AF_INET6_EUI_48
#define AF_RF                               SL_AF_RF
#define AF_PACKET                           SL_AF_PACKET

#define PF_INET                             SL_PF_INET
#define PF_INET6                            SL_PF_INET6

#define INADDR_ANY                          SL_INADDR_ANY
#define ERROR                               SL_SOC_ERROR
#define INEXE                               SL_INEXE
#define EBADF                               SL_EBADF
#define ENSOCK                              SL_ENSOCK
#define EAGAIN                              SL_EAGAIN
#define EWOULDBLOCK                         SL_EWOULDBLOCK
#define ENOMEM                              SL_ENOMEM
#define EACCES                              SL_EACCES
#define EFAULT                              SL_EFAULT
#define EINVAL                              SL_EINVAL
#define EDESTADDRREQ                        SL_EDESTADDRREQ
#define EPROTOTYPE                          SL_EPROTOTYPE
#define ENOPROTOOPT                         SL_ENOPROTOOPT
#define EPROTONOSUPPORT                     SL_EPROTONOSUPPORT
#define ESOCKTNOSUPPORT                     SL_ESOCKTNOSUPPORT
#define EOPNOTSUPP                          SL_EOPNOTSUPP
#define EAFNOSUPPORT                        SL_EAFNOSUPPORT
#define EADDRINUSE                          SL_EADDRINUSE
#define EADDRNOTAVAIL                       SL_EADDRNOTAVAIL
#define ENETUNREACH                         SL_ENETUNREACH
#define ENOBUFS                             SL_ENOBUFS
#define EOBUFF                              SL_EOBUFF
#define EISCONN                             SL_EISCONN
#define ENOTCONN                            SL_ENOTCONN
#define ETIMEDOUT                           SL_ETIMEDOUT
#define ECONNREFUSED                        SL_ECONNREFUSED

#define SOL_SOCKET                          SL_SOL_SOCKET
#define IPPROTO_IP                          SL_IPPROTO_IP
#define SO_KEEPALIVE                        SL_SO_KEEPALIVE

#define SO_RCVTIMEO                         SL_SO_RCVTIMEO
#define SO_NONBLOCKING                      SL_SO_NONBLOCKING

#define IP_MULTICAST_IF                     SL_IP_MULTICAST_IF
#define IP_MULTICAST_TTL                    SL_IP_MULTICAST_TTL
#define IP_ADD_MEMBERSHIP                   SL_IP_ADD_MEMBERSHIP
#define IP_DROP_MEMBERSHIP                  SL_IP_DROP_MEMBERSHIP

#define socklen_t                           SlSocklen_t
#define timeval                             SlTimeval_t
#define sockaddr                            SlSockAddr_t
#define in6_addr                            SlIn6Addr_t
#define sockaddr_in6                        SlSockAddrIn6_t
#define in_addr                             SlInAddr_t
#define sockaddr_in                         SlSockAddrIn_t

#define MSG_DONTWAIT                        SL_MSG_DONTWAIT

#define FD_SET                              SL_FD_SET
#define FD_CLR                              SL_FD_CLR
#define FD_ISSET                            SL_FD_ISSET
#define FD_ZERO                             SL_FD_ZERO
#define fd_set                              SlFdSet_t

#define socket                              sl_Socket
#define accept                              sl_Accept
#define bind                                sl_Bind
#define listen                              sl_Listen
#define connect                             sl_Connect
#define select                              sl_Select
#define setsockopt                          sl_SetSockOpt
#define getsockopt                          sl_GetSockOpt
#define recv                                sl_Recv
#define recvfrom                            sl_RecvFrom
#define write                               sl_Write
#define send                                sl_Send
#define sendto                              sl_SendTo
/* rojer: gethostbyname() and sl_NetAppDnsGetHostByName are NOT compatible. */
/* #define gethostbyname                    sl_NetAppDnsGetHostByName */
#define htonl                               sl_Htonl
#define ntohl                               sl_Ntohl
#define htons                               sl_Htons
#define ntohs                               sl_Ntohs
/* clang-format on */

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 closesocket(x) sl_Close(x)

/* Some functions we implement for Mongoose. */

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);

void cc3200_set_non_blocking_mode(int fd);

struct timeval;
int gettimeofday(struct timeval *t, void *tz);

long int random(void);


/* 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__ */


#ifdef CC3200_FS_SPIFFS
#include <common/spiffs/spiffs.h>

typedef struct {
  spiffs_DIR dh;
  struct spiffs_dirent de;
} DIR;

#define d_name name
#define dirent spiffs_dirent

DIR *opendir(const char *dir_name);
int closedir(DIR *dir);
struct dirent *readdir(DIR *dir);
#endif /* CC3200_FS_SPIFFS */

#endif /* CS_PLATFORM == CS_P_CC3200 */
#endif /* CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_ */
/*
 * Copyright (c) 2014-2016 Cesanta Software Limited
 * All rights reserved
 */

#ifndef CS_COMMON_CS_DBG_H_
#define CS_COMMON_CS_DBG_H_

enum cs_log_level {
  LL_NONE = -1,
  LL_ERROR = 0,
  LL_WARN = 1,
  LL_INFO = 2,
  LL_DEBUG = 3,
  LL_VERBOSE_DEBUG = 4,

  _LL_MIN = -2,
  _LL_MAX = 5,
};

extern enum cs_log_level s_cs_log_level;
void cs_log_set_level(enum cs_log_level level);

#ifndef CS_DISABLE_STDIO

#ifdef CS_LOG_TS_DIFF
extern double cs_log_ts;
#endif

void cs_log_printf(const char *fmt, ...);

#define LOG(l, x)                        \
  if (s_cs_log_level >= l) {             \
    fprintf(stderr, "%-20s ", __func__); \
    cs_log_printf x;                     \
  }

#ifndef CS_NDEBUG

#define DBG(x)                              \
  if (s_cs_log_level >= LL_VERBOSE_DEBUG) { \
    fprintf(stderr, "%-20s ", __func__);    \
    cs_log_printf x;                        \
  }

#else /* NDEBUG */

#define DBG(x)

#endif

#else /* CS_DISABLE_STDIO */

#define LOG(l, x)
#define DBG(x)

#endif

#endif /* CS_COMMON_CS_DBG_H_ */
/*
 * Copyright (c) 2014-2016 Cesanta Software Limited
 * All rights reserved
 */

#ifndef CS_COMMON_CS_TIME_H_
#define CS_COMMON_CS_TIME_H_

/* Sub-second granularity time(). */
double cs_time();

#endif /* CS_COMMON_CS_TIME_H_ */
/*
 * Copyright (c) 2015 Cesanta Software Limited
 * All rights reserved
 */

/*
 * === Memory Buffers
 *
 * 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_

#if defined(__cplusplus)
extern "C" {
#endif

#include <stdlib.h>

#ifndef MBUF_SIZE_MULTIPLIER
#define MBUF_SIZE_MULTIPLIER 1.5
#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 */
};

/*
 * Initialize an Mbuf.
 * `initial_capacity` specifies the initial capacity of the mbuf.
 */
void mbuf_init(struct mbuf *, size_t initial_capacity);

/* Free the space allocated for the mbuffer and resets the mbuf structure. */
void mbuf_free(struct mbuf *);

/*
 * Appends data to the Mbuf.
 *
 * Return the number of bytes appended, or 0 if out of memory.
 */
size_t mbuf_append(struct mbuf *, const void *data, size_t data_size);

/*
 * Insert data at a specified offset in the Mbuf.
 *
 * Existing data will be shifted forwards and the buffer will
 * be grown if necessary.
 * Return the number of bytes inserted.
 */
size_t mbuf_insert(struct mbuf *, size_t, const void *, size_t);

/* Remove `data_size` bytes from the beginning of the buffer. */
void mbuf_remove(struct mbuf *, size_t data_size);

/*
 * Resize 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);

/* Shrink an Mbuf by resizing its `size` to `len`. */
void mbuf_trim(struct mbuf *);

#if defined(__cplusplus)
}
#endif /* __cplusplus */

#endif /* CS_COMMON_MBUF_H_ */
/*
 * Copyright (c) 2014 Cesanta Software Limited
 * All rights reserved
 */

#ifndef CS_COMMON_SHA1_H_
#define CS_COMMON_SHA1_H_

#ifndef DISABLE_SHA1


#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 /* DISABLE_SHA1 */

#endif /* CS_COMMON_SHA1_H_ */
/*
 * Copyright (c) 2014 Cesanta Software Limited
 * All rights reserved
 */

#ifndef CS_COMMON_MD5_H_
#define CS_COMMON_MD5_H_


#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct MD5Context {
  uint32_t buf[4];
  uint32_t bits[2];
  unsigned char in[64];
} MD5_CTX;

void MD5_Init(MD5_CTX *c);
void MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len);
void MD5_Final(unsigned char *md, MD5_CTX *c);

/*
 * Return stringified MD5 hash for NULL terminated list of strings.
 * Example:
 *
 *    char buf[33];
 *    cs_md5(buf, "foo", "bar", NULL);
 */
char *cs_md5(char buf[33], ...);

/*
 * 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);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* CS_COMMON_MD5_H_ */
/*
 * Copyright (c) 2014 Cesanta Software Limited
 * All rights reserved
 */

#ifndef CS_COMMON_BASE64_H_
#define CS_COMMON_BASE64_H_

#ifndef 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);
void cs_fprint_base64(FILE *f, const unsigned char *src, int src_len);
int cs_base64_decode(const unsigned char *s, int len, char *dst);

#ifdef __cplusplus
}
#endif

#endif /* DISABLE_BASE64 */

#endif /* CS_COMMON_BASE64_H_ */
/*
 * Copyright (c) 2015 Cesanta Software Limited
 * All rights reserved
 */

#ifndef CS_COMMON_STR_UTIL_H_
#define CS_COMMON_STR_UTIL_H_

#include <stdarg.h>
#include <stdlib.h>

#ifdef __cplusplus
extern "C" {
#endif

size_t c_strnlen(const char *s, size_t maxlen);
int c_snprintf(char *buf, size_t buf_size, const char *format, ...);
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);

#ifdef __cplusplus
}
#endif

#endif /* CS_COMMON_STR_UTIL_H_ */
/*
 * Copyright (c) 2004-2013 Sergey Lyubka <valenok@gmail.com>
 * Copyright (c) 2013 Cesanta Software Limited
 * All rights reserved
 *
 * This library 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 library 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 library under a commercial
 * license, as set out in <http://cesanta.com/products.html>.
 */

#ifndef CS_MONGOOSE_DEPS_FROZEN_FROZEN_H_
#define CS_MONGOOSE_DEPS_FROZEN_FROZEN_H_

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#include <stdarg.h>

enum json_type {
  JSON_TYPE_EOF = 0, /* End of parsed tokens marker */
  JSON_TYPE_STRING = 1,
  JSON_TYPE_NUMBER = 2,
  JSON_TYPE_OBJECT = 3,
  JSON_TYPE_TRUE = 4,
  JSON_TYPE_FALSE = 5,
  JSON_TYPE_NULL = 6,
  JSON_TYPE_ARRAY = 7
};

struct json_token {
  const char *ptr;     /* Points to the beginning of the token */
  int len;             /* Token length */
  int num_desc;        /* For arrays and object, total number of descendants */
  enum json_type type; /* Type of the token, possible values above */
};

/* Error codes */
#define JSON_STRING_INVALID -1
#define JSON_STRING_INCOMPLETE -2
#define JSON_TOKEN_ARRAY_TOO_SMALL -3

int parse_json(const char *json_string, int json_string_length,
               struct json_token *tokens_array, int size_of_tokens_array);
struct json_token *parse_json2(const char *json_string, int string_length);
struct json_token *find_json_token(struct json_token *toks, const char *path);

int json_emit_long(char *buf, int buf_len, long value);
int json_emit_double(char *buf, int buf_len, double value);
int json_emit_quoted_str(char *buf, int buf_len, const char *str, int len);
int json_emit_unquoted_str(char *buf, int buf_len, const char *str, int len);
int json_emit(char *buf, int buf_len, const char *fmt, ...);
int json_emit_va(char *buf, int buf_len, const char *fmt, va_list);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* CS_MONGOOSE_DEPS_FROZEN_FROZEN_H_ */
/*
 * Copyright (c) 2014-2016 Cesanta Software Limited
 * All rights reserved
 */

#ifndef CS_COMMON_CS_DIRENT_H_
#define CS_COMMON_CS_DIRENT_H_

#ifdef CS_ENABLE_SPIFFS

#include <spiffs.h>

typedef struct {
  spiffs_DIR dh;
  struct spiffs_dirent de;
} DIR;

#define d_name name
#define dirent spiffs_dirent

int rmdir(const char *path);
int mkdir(const char *path, mode_t mode);