1 : /*
2 : +----------------------------------------------------------------------+
3 : | PHP Version 5 |
4 : +----------------------------------------------------------------------+
5 : | Copyright (c) 1997-2009 The PHP Group |
6 : +----------------------------------------------------------------------+
7 : | This source file is subject to version 3.01 of the PHP license, |
8 : | that is bundled with this package in the file LICENSE, and is |
9 : | available through the world-wide-web at the following url: |
10 : | http://www.php.net/license/3_01.txt |
11 : | If you did not receive a copy of the PHP license and are unable to |
12 : | obtain it through the world-wide-web, please send a note to |
13 : | license@php.net so we can mail you a copy immediately. |
14 : +----------------------------------------------------------------------+
15 : | Author: Jani Lehtimäki <jkl@njet.net> |
16 : +----------------------------------------------------------------------+
17 : */
18 :
19 : /* $Id: php_var.h 272374 2008-12-31 11:17:49Z sebastian $ */
20 :
21 : #ifndef PHP_VAR_H
22 : #define PHP_VAR_H
23 :
24 : #include "ext/standard/php_smart_str_public.h"
25 :
26 : PHP_FUNCTION(var_dump);
27 : PHP_FUNCTION(var_export);
28 : PHP_FUNCTION(debug_zval_dump);
29 : PHP_FUNCTION(serialize);
30 : PHP_FUNCTION(unserialize);
31 : PHP_FUNCTION(memory_get_usage);
32 : PHP_FUNCTION(memory_get_peak_usage);
33 :
34 : PHPAPI void php_var_dump(zval **struc, int level TSRMLS_DC);
35 : PHPAPI void php_var_export(zval **struc, int level TSRMLS_DC);
36 : PHPAPI void php_debug_zval_dump(zval **struc, int level TSRMLS_DC);
37 :
38 : /* typdef HashTable php_serialize_data_t; */
39 : #define php_serialize_data_t HashTable
40 :
41 : struct php_unserialize_data {
42 : void *first;
43 : void *first_dtor;
44 : };
45 :
46 : typedef struct php_unserialize_data php_unserialize_data_t;
47 :
48 : PHPAPI void php_var_serialize(smart_str *buf, zval **struc, php_serialize_data_t *var_hash TSRMLS_DC);
49 : PHPAPI int php_var_unserialize(zval **rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash TSRMLS_DC);
50 :
51 : #define PHP_VAR_SERIALIZE_INIT(var_hash) \
52 : zend_hash_init(&(var_hash), 10, NULL, NULL, 0)
53 : #define PHP_VAR_SERIALIZE_DESTROY(var_hash) \
54 : zend_hash_destroy(&(var_hash))
55 :
56 : #define PHP_VAR_UNSERIALIZE_INIT(var_hash) \
57 : (var_hash).first = 0; \
58 : (var_hash).first_dtor = 0
59 : #define PHP_VAR_UNSERIALIZE_DESTROY(var_hash) \
60 : var_destroy(&(var_hash))
61 :
62 : PHPAPI void var_replace(php_unserialize_data_t *var_hash, zval *ozval, zval **nzval);
63 : PHPAPI void var_destroy(php_unserialize_data_t *var_hash);
64 :
65 : #define PHP_VAR_UNSERIALIZE_ZVAL_CHANGED(var_hash, ozval, nzval) \
66 : var_replace((var_hash), (ozval), &(nzval))
67 :
68 : PHPAPI zend_class_entry *php_create_empty_class(char *class_name, int len);
69 :
70 : static inline int php_varname_check(char *name, int name_len, zend_bool silent TSRMLS_DC) /* {{{ */
71 85 : {
72 85 : if (name_len == sizeof("GLOBALS") && !memcmp(name, "GLOBALS", sizeof("GLOBALS"))) {
73 1 : if (!silent) {
74 1 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted GLOBALS variable overwrite");
75 : }
76 1 : return FAILURE;
77 84 : } else if (name[0] == '_' &&
78 : (
79 : (name_len == sizeof("_GET") && !memcmp(name, "_GET", sizeof("_GET"))) ||
80 : (name_len == sizeof("_POST") && !memcmp(name, "_POST", sizeof("_POST"))) ||
81 : (name_len == sizeof("_COOKIE") && !memcmp(name, "_COOKIE", sizeof("_COOKIE"))) ||
82 : (name_len == sizeof("_ENV") && !memcmp(name, "_ENV", sizeof("_ENV"))) ||
83 : (name_len == sizeof("_SERVER") && !memcmp(name, "_SERVER", sizeof("_SERVER"))) ||
84 : (name_len == sizeof("_SESSION") && !memcmp(name, "_SESSION", sizeof("_SESSION"))) ||
85 : (name_len == sizeof("_FILES") && !memcmp(name, "_FILES", sizeof("_FILES"))) ||
86 : (name_len == sizeof("_REQUEST") && !memcmp(name, "_REQUEST", sizeof("_REQUEST")))
87 : )
88 : ) {
89 15 : if (!silent) {
90 15 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted super-global (%s) variable overwrite", name);
91 : }
92 15 : return FAILURE;
93 69 : } else if (name[0] == 'H' &&
94 : (
95 : (name_len == sizeof("HTTP_POST_VARS") && !memcmp(name, "HTTP_POST_VARS", sizeof("HTTP_POST_VARS"))) ||
96 : (name_len == sizeof("HTTP_GET_VARS") && !memcmp(name, "HTTP_GET_VARS", sizeof("HTTP_GET_VARS"))) ||
97 : (name_len == sizeof("HTTP_COOKIE_VARS") && !memcmp(name, "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS"))) ||
98 : (name_len == sizeof("HTTP_ENV_VARS") && !memcmp(name, "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS"))) ||
99 : (name_len == sizeof("HTTP_SERVER_VARS") && !memcmp(name, "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS"))) ||
100 : (name_len == sizeof("HTTP_SESSION_VARS") && !memcmp(name, "HTTP_SESSION_VARS", sizeof("HTTP_SESSION_VARS"))) ||
101 : (name_len == sizeof("HTTP_RAW_POST_DATA") && !memcmp(name, "HTTP_RAW_POST_DATA", sizeof("HTTP_RAW_POST_DATA"))) ||
102 : (name_len == sizeof("HTTP_POST_FILES") && !memcmp(name, "HTTP_POST_FILES", sizeof("HTTP_POST_FILES")))
103 : )
104 : ) {
105 0 : if (!silent) {
106 0 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted long input array (%s) overwrite", name);
107 : }
108 0 : return FAILURE;
109 : }
110 69 : return SUCCESS;
111 : }
112 : /* }}} */
113 :
114 : #endif /* PHP_VAR_H */
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