libpsl/include/libpsl.h.in

211 lines
5.7 KiB
C

/*
* Copyright(c) 2014-2022 Tim Ruehsen
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* This file is part of libpsl.
*
* Header file for libpsl library routines
*
* Changelog
* 20.03.2014 Tim Ruehsen created
*
*/
#ifndef LIBPSL_LIBPSL_H
#define LIBPSL_LIBPSL_H
#include <stdio.h>
#include <time.h>
#define PSL_VERSION "@LIBPSL_VERSION@"
#define PSL_VERSION_MAJOR @LIBPSL_VERSION_MAJOR@
#define PSL_VERSION_MINOR @LIBPSL_VERSION_MINOR@
#define PSL_VERSION_PATCH @LIBPSL_VERSION_PATCH@
#define PSL_VERSION_NUMBER @LIBPSL_VERSION_NUMBER@
/* support clang's __has_declspec_attribute attribute */
#ifndef __has_declspec_attribute
# define __has_declspec_attribute(x) 0
#endif
#ifndef PSL_API
#if defined BUILDING_PSL && HAVE_VISIBILITY
# define PSL_API __attribute__ ((__visibility__("default")))
#elif defined BUILDING_PSL && (defined _MSC_VER || __has_declspec_attribute(dllexport)) && !defined PSL_STATIC
# define PSL_API __declspec(dllexport)
#elif (defined _MSC_VER || __has_declspec_attribute(dllimport)) && !defined PSL_STATIC
# define PSL_API __declspec(dllimport)
#else
# define PSL_API
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* types for psl_is_public_suffix2() */
#define PSL_TYPE_ICANN (1<<0)
#define PSL_TYPE_PRIVATE (1<<1)
#define PSL_TYPE_NO_STAR_RULE (1<<2)
#define PSL_TYPE_ANY (PSL_TYPE_ICANN | PSL_TYPE_PRIVATE)
/**
* psl_error_t:
* @PSL_SUCCESS: Successful return.
* @PSL_ERR_INVALID_ARG: Invalid argument.
* @PSL_ERR_CONVERTER: Failed to open libicu utf-16 converter.
* @PSL_ERR_TO_UTF16: Failed to convert to utf-16.
* @PSL_ERR_TO_LOWER: Failed to convert utf-16 to lowercase.
* @PSL_ERR_TO_UTF8: Failed to convert utf-16 to utf-8.
* @PSL_ERR_NO_MEM: Failed to allocate memory.
*
* Return codes for PSL functions.
* Negative return codes mean failure.
* Positive values are reserved for non-error return codes.
*/
typedef enum {
PSL_SUCCESS = 0,
PSL_ERR_INVALID_ARG = -1,
PSL_ERR_CONVERTER = -2, /* failed to open libicu utf-16 converter */
PSL_ERR_TO_UTF16 = -3, /* failed to convert to utf-16 */
PSL_ERR_TO_LOWER = -4, /* failed to convert utf-16 to lowercase */
PSL_ERR_TO_UTF8 = -5, /* failed to convert utf-16 to utf-8 */
PSL_ERR_NO_MEM = -6 /* failed to allocate memory */
} psl_error_t;
typedef struct psl_ctx_st psl_ctx_t;
/* frees PSL context */
PSL_API
void
psl_free(psl_ctx_t *psl);
/* frees memory allocated by libpsl routines */
PSL_API
void
psl_free_string(char *str);
/* loads PSL data from file */
PSL_API
psl_ctx_t *
psl_load_file(const char *fname);
/* loads PSL data from FILE pointer */
PSL_API
psl_ctx_t *
psl_load_fp(FILE *fp);
/* retrieves builtin PSL data */
PSL_API
const psl_ctx_t *
psl_builtin(void);
/* retrieves most recent PSL data */
PSL_API
psl_ctx_t *
psl_latest(const char *fname);
/* checks whether domain is a public suffix or not */
PSL_API
int
psl_is_public_suffix(const psl_ctx_t *psl, const char *domain);
/* checks whether domain is a public suffix regarding the type or not */
PSL_API
int
psl_is_public_suffix2(const psl_ctx_t *psl, const char *domain, int type);
/* checks whether cookie_domain is acceptable for domain or not */
PSL_API
int
psl_is_cookie_domain_acceptable(const psl_ctx_t *psl, const char *hostname, const char *cookie_domain);
/* returns the longest not registrable domain within 'domain' or NULL if none found */
PSL_API
const char *
psl_unregistrable_domain(const psl_ctx_t *psl, const char *domain);
/* returns the shortest possible registrable domain part or NULL if domain is not registrable at all */
PSL_API
const char *
psl_registrable_domain(const psl_ctx_t *psl, const char *domain);
/* convert a string into lowercase UTF-8 */
PSL_API
psl_error_t
psl_str_to_utf8lower(const char *str, const char *encoding, const char *locale, char **lower);
/* does not include exceptions */
PSL_API
int
psl_suffix_count(const psl_ctx_t *psl);
/* just counts exceptions */
PSL_API
int
psl_suffix_exception_count(const psl_ctx_t *psl);
/* just counts wildcards */
PSL_API
int
psl_suffix_wildcard_count(const psl_ctx_t *psl);
/* returns mtime of PSL source file */
PSL_API
time_t
psl_builtin_file_time(void);
/* returns SHA1 checksum (hex-encoded, lowercase) of PSL source file */
PSL_API
const char *
psl_builtin_sha1sum(void);
/* returns file name of PSL source file */
PSL_API
const char *
psl_builtin_filename(void);
/* returns name of distribution PSL data file */
PSL_API
const char *
psl_dist_filename(void);
/* returns library version string */
PSL_API
const char *
psl_get_version(void);
/* checks library version number */
PSL_API
int
psl_check_version_number(int version);
/* returns whether the built-in data is outdated or not */
PSL_API
int
psl_builtin_outdated(void);
#ifdef __cplusplus
}
#endif
#endif /* LIBPSL_LIBPSL_H */