晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Anthony Ferrara <ircmaxell@php.net> |
| Charles R. Portwood II <charlesportwoodii@erianna.com> |
+----------------------------------------------------------------------+
*/
#ifndef PHP_PASSWORD_H
#define PHP_PASSWORD_H
PHP_FUNCTION(password_hash);
PHP_FUNCTION(password_verify);
PHP_FUNCTION(password_needs_rehash);
PHP_FUNCTION(password_get_info);
PHP_FUNCTION(password_algos);
PHP_MINIT_FUNCTION(password);
PHP_MSHUTDOWN_FUNCTION(password);
#define PHP_PASSWORD_DEFAULT PHP_PASSWORD_BCRYPT
#define PHP_PASSWORD_BCRYPT_COST 10
#if HAVE_ARGON2LIB
/**
* When updating these values, synchronize ext/sodium/sodium_pwhash.c values.
* Note that libargon expresses memlimit in KB, while libsoidum uses bytes.
*/
#define PHP_PASSWORD_ARGON2_MEMORY_COST (64 << 10)
#define PHP_PASSWORD_ARGON2_TIME_COST 4
#define PHP_PASSWORD_ARGON2_THREADS 1
#endif
typedef struct _php_password_algo {
const char *name;
zend_string *(*hash)(const zend_string *password, zend_array *options);
zend_bool (*verify)(const zend_string *password, const zend_string *hash);
zend_bool (*needs_rehash)(const zend_string *password, zend_array *options);
int (*get_info)(zval *return_value, const zend_string *hash);
zend_bool (*valid)(const zend_string *hash);
} php_password_algo;
extern const php_password_algo php_password_algo_bcrypt;
#if HAVE_ARGON2LIB
extern const php_password_algo php_password_algo_argon2i;
extern const php_password_algo php_password_algo_argon2id;
#endif
PHPAPI int php_password_algo_register(const char*, const php_password_algo*);
PHPAPI void php_password_algo_unregister(const char*);
PHPAPI const php_password_algo* php_password_algo_default();
PHPAPI zend_string *php_password_algo_extract_ident(const zend_string*);
PHPAPI const php_password_algo* php_password_algo_find(const zend_string*);
PHPAPI const php_password_algo* php_password_algo_identify_ex(const zend_string*, const php_password_algo*);
static inline const php_password_algo* php_password_algo_identify(const zend_string *hash) {
return php_password_algo_identify_ex(hash, php_password_algo_default());
}
#endif