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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 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 */