tools.h

// SPDX-FileCopyrightText: AC SOFTWARE SP. Z O.O.
// SPDX-License-Identifier: GPL-2.0-or-later
 
#ifndef ARDUINO
 
#ifndef suplatools_H_
#define suplatools_H_
 
#include <stdlib.h>
 
#include "proto.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
  double h;
  double s;
  double v;
} _color_hsv_t;
 
#define BCRYPT_HASH_MAXSIZE 65
 
extern unsigned char st_app_terminate;
 
unsigned char st_file_exists(const char *fp);
void st_hook_signals(void);
void st_hook_critical_signals(void);
char st_try_fork(void);
char st_set_ug_id(const char *username, int uid, int gid);
char st_setpidfile(char *pidfile_path);
void st_delpidfile(char *pidfile_path);
void st_mainloop_init();
void st_mainloop_wait(int usec);
void st_mainloop_free();
 
void st_guid2hex(char GUIDHEX[SUPLA_GUID_HEXSIZE],
                 const char GUID[SUPLA_GUID_SIZE]);
void st_authkey2hex(char AuthKeyHEX[SUPLA_AUTHKEY_HEXSIZE],
                    const char AuthKey[SUPLA_AUTHKEY_SIZE]);
 
char *st_str2hex(char *buffer, const char *str, size_t maxlen);
char *st_bin2hex(char *buffer, const char *src, size_t len);
 
char st_read_randkey_from_file(char *file, char *KEY, int size, char create);
char st_read_guid_from_file(char *file, char *GUID, char create);
char st_read_authkey_from_file(char *file, char *AuthKey, char create);
 
time_t st_get_utc_time(void);
 
char *st_get_zulu_time(char buffer[64]);
char *st_get_datetime_str(char buffer[64]);
 
_color_hsv_t st_rgb2hsv(int rgb);
int st_hsv2rgb(_color_hsv_t in);
int st_hue2rgb(double hue);
 
void st_random_alpha_string(char *buffer, int buffer_size);
void st_uuid_v4(char buffer[37]);
 
#ifdef __BCRYPT
 
char st_bcrypt_gensalt(char *salt, int salt_buffer_size, char rounds);
char st_bcrypt_hash(const char *str, const char *salt, char *hash,
                    int hash_buffer_size);
char st_bcrypt_crypt(char *str, char *hash, int hash_buffer_size, char rounds);
char st_bcrypt_check(const char *str, char *hash, int hash_len);
char *st_get_authkey_hash_hex(const char AuthKey[SUPLA_AUTHKEY_SIZE]);
int format_decimal_trunc(double x, int precision, int scale, char *out,
                         size_t outsz);
#endif
 
unsigned _supla_int_t st_crc32_checksum(const unsigned char *data,
                                        size_t length);
 
#ifdef __OPENSSL_TOOLS
char *st_openssl_base64_encode(const char *src, int src_len);
char *st_openssl_base64_decode(const char *src, int src_len, int *dst_len);
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* suplatools_H_ */
#endif /* !ARDUINO */