diff options
Diffstat (limited to 'ext/standard/php_var.h')
| -rw-r--r-- | ext/standard/php_var.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/ext/standard/php_var.h b/ext/standard/php_var.h new file mode 100644 index 0000000..35343b3 --- /dev/null +++ b/ext/standard/php_var.h @@ -0,0 +1,169 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2013 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_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 */ |