JezK
Edit File: php_var.h
/* +----------------------------------------------------------------------+ | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2015 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. | +----------------------------------------------------------------------+ | Author: Jani Lehtimäki <jkl@njet.net> | +----------------------------------------------------------------------+ */ /* $Id$ */ #ifndef PHP_VAR_H #define PHP_VAR_H #include "ext/standard/basic_functions.h" #include "ext/standard/php_smart_str_public.h" PHP_FUNCTION(var_dump); PHP_FUNCTION(var_export); PHP_FUNCTION(debug_zval_dump); PHP_FUNCTION(serialize); PHP_FUNCTION(unserialize); PHP_FUNCTION(memory_get_usage); PHP_FUNCTION(memory_get_peak_usage); PHPAPI void php_var_dump(zval **struc, int level TSRMLS_DC); PHPAPI void php_var_export(zval **struc, int level TSRMLS_DC); PHPAPI void php_var_export_ex(zval **struc, int level, smart_str *buf TSRMLS_DC); PHPAPI void php_debug_zval_dump(zval **struc, int level TSRMLS_DC); typedef HashTable* php_serialize_data_t; struct php_unserialize_data { void *first; void *last; void *first_dtor; void *last_dtor; }; typedef struct php_unserialize_data* php_unserialize_data_t; PHPAPI void php_var_serialize(smart_str *buf, zval **struc, php_serialize_data_t *var_hash TSRMLS_DC); PHPAPI int php_var_unserialize(zval **rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash TSRMLS_DC); #define PHP_VAR_SERIALIZE_INIT(var_hash_ptr) \ do { \ /* fprintf(stderr, "SERIALIZE_INIT == lock: %u, level: %u\n", BG(serialize_lock), BG(serialize).level); */ \ if (BG(serialize_lock) || !BG(serialize).level) { \ ALLOC_HASHTABLE(var_hash_ptr); \ zend_hash_init((var_hash_ptr), 10, NULL, NULL, 0); \ if (!BG(serialize_lock)) { \ BG(serialize).var_hash = (void *)(var_hash_ptr); \ BG(serialize).level = 1; \ } \ } else { \ (var_hash_ptr) = (php_serialize_data_t)BG(serialize).var_hash; \ ++BG(serialize).level; \ } \ } while(0) #define PHP_VAR_SERIALIZE_DESTROY(var_hash_ptr) \ do { \ /* fprintf(stderr, "SERIALIZE_DESTROY == lock: %u, level: %u\n", BG(serialize_lock), BG(serialize).level); */ \ if (BG(serialize_lock) || !BG(serialize).level) { \ zend_hash_destroy((var_hash_ptr)); \ FREE_HASHTABLE(var_hash_ptr); \ } else { \ if (!--BG(serialize).level) { \ zend_hash_destroy((php_serialize_data_t)BG(serialize).var_hash); \ FREE_HASHTABLE((php_serialize_data_t)BG(serialize).var_hash); \ BG(serialize).var_hash = NULL; \ } \ } \ } while (0) #define PHP_VAR_UNSERIALIZE_INIT(var_hash_ptr) \ do { \ /* fprintf(stderr, "UNSERIALIZE_INIT == lock: %u, level: %u\n", BG(serialize_lock), BG(unserialize).level); */ \ if (BG(serialize_lock) || !BG(unserialize).level) { \ (var_hash_ptr) = (php_unserialize_data_t)ecalloc(1, sizeof(struct php_unserialize_data)); \ if (!BG(serialize_lock)) { \ BG(unserialize).var_hash = (void *)(var_hash_ptr); \ BG(unserialize).level = 1; \ } \ } else { \ (var_hash_ptr) = (php_unserialize_data_t)BG(unserialize).var_hash; \ ++BG(unserialize).level; \ } \ } while (0) #define PHP_VAR_UNSERIALIZE_DESTROY(var_hash_ptr) \ do { \ /* fprintf(stderr, "UNSERIALIZE_DESTROY == lock: %u, level: %u\n", BG(serialize_lock), BG(unserialize).level); */ \ if (BG(serialize_lock) || !BG(unserialize).level) { \ var_destroy(&(var_hash_ptr)); \ efree(var_hash_ptr); \ } else { \ if (!--BG(unserialize).level) { \ var_destroy(&(var_hash_ptr)); \ efree((var_hash_ptr)); \ BG(unserialize).var_hash = NULL; \ } \ } \ } while (0) PHPAPI void var_replace(php_unserialize_data_t *var_hash, zval *ozval, zval **nzval); PHPAPI void var_push_dtor(php_unserialize_data_t *var_hash, zval **val); PHPAPI void var_push_dtor_no_addref(php_unserialize_data_t *var_hashx, zval **rval); PHPAPI void var_destroy(php_unserialize_data_t *var_hash); #define PHP_VAR_UNSERIALIZE_ZVAL_CHANGED(var_hash, ozval, nzval) \ var_replace((var_hash), (ozval), &(nzval)) PHPAPI zend_class_entry *php_create_empty_class(char *class_name, int len); static inline int php_varname_check(char *name, int name_len, zend_bool silent TSRMLS_DC) /* {{{ */ { if (name_len == sizeof("GLOBALS") - 1 && !memcmp(name, "GLOBALS", sizeof("GLOBALS") - 1)) { if (!silent) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted GLOBALS variable overwrite"); } return FAILURE; } else if (name[0] == '_' && ( (name_len == sizeof("_GET") - 1 && !memcmp(name, "_GET", sizeof("_GET") - 1)) || (name_len == sizeof("_POST") - 1 && !memcmp(name, "_POST", sizeof("_POST") - 1)) || (name_len == sizeof("_COOKIE") - 1 && !memcmp(name, "_COOKIE", sizeof("_COOKIE") - 1)) || (name_len == sizeof("_ENV") - 1 && !memcmp(name, "_ENV", sizeof("_ENV") - 1)) || (name_len == sizeof("_SERVER") - 1 && !memcmp(name, "_SERVER", sizeof("_SERVER") - 1)) || (name_len == sizeof("_SESSION") - 1 && !memcmp(name, "_SESSION", sizeof("_SESSION") - 1)) || (name_len == sizeof("_FILES") - 1 && !memcmp(name, "_FILES", sizeof("_FILES") - 1)) || (name_len == sizeof("_REQUEST") -1 && !memcmp(name, "_REQUEST", sizeof("_REQUEST") - 1)) ) ) { if (!silent) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted super-global (%s) variable overwrite", name); } return FAILURE; } else if (name[0] == 'H' && ( (name_len == sizeof("HTTP_POST_VARS") - 1 && !memcmp(name, "HTTP_POST_VARS", sizeof("HTTP_POST_VARS") - 1)) || (name_len == sizeof("HTTP_GET_VARS") - 1 && !memcmp(name, "HTTP_GET_VARS", sizeof("HTTP_GET_VARS") - 1)) || (name_len == sizeof("HTTP_COOKIE_VARS") - 1 && !memcmp(name, "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS") - 1)) || (name_len == sizeof("HTTP_ENV_VARS") - 1 && !memcmp(name, "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS") - 1)) || (name_len == sizeof("HTTP_SERVER_VARS") - 1 && !memcmp(name, "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS") - 1)) || (name_len == sizeof("HTTP_SESSION_VARS") - 1 && !memcmp(name, "HTTP_SESSION_VARS", sizeof("HTTP_SESSION_VARS") - 1)) || (name_len == sizeof("HTTP_RAW_POST_DATA") - 1 && !memcmp(name, "HTTP_RAW_POST_DATA", sizeof("HTTP_RAW_POST_DATA") - 1)) || (name_len == sizeof("HTTP_POST_FILES") - 1 && !memcmp(name, "HTTP_POST_FILES", sizeof("HTTP_POST_FILES") - 1)) ) ) { if (!silent) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted long input array (%s) overwrite", name); } return FAILURE; } return SUCCESS; } /* }}} */ #endif /* PHP_VAR_H */