1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 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 Lehtim�ki <jkl@njet.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
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_var_export_ex(zval **struc, int level, smart_str *buf TSRMLS_DC);
37
38 PHPAPI void php_debug_zval_dump(zval **struc, int level TSRMLS_DC);
39
40 /* typdef HashTable php_serialize_data_t; */
41 #define php_serialize_data_t HashTable
42
43 struct php_unserialize_data {
44 void *first;
45 void *first_dtor;
46 };
47
48 typedef struct php_unserialize_data php_unserialize_data_t;
49
50 PHPAPI void php_var_serialize(smart_str *buf, zval **struc, php_serialize_data_t *var_hash TSRMLS_DC);
51 PHPAPI int php_var_unserialize(zval **rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash TSRMLS_DC);
52
53 #define PHP_VAR_SERIALIZE_INIT(var_hash) \
54 zend_hash_init(&(var_hash), 10, NULL, NULL, 0)
55 #define PHP_VAR_SERIALIZE_DESTROY(var_hash) \
56 zend_hash_destroy(&(var_hash))
57
58 #define PHP_VAR_UNSERIALIZE_INIT(var_hash) \
59 (var_hash).first = 0; \
60 (var_hash).first_dtor = 0
61 #define PHP_VAR_UNSERIALIZE_DESTROY(var_hash) \
62 var_destroy(&(var_hash))
63
64 PHPAPI void var_replace(php_unserialize_data_t *var_hash, zval *ozval, zval **nzval);
65 PHPAPI void var_push_dtor(php_unserialize_data_t *var_hash, zval **val);
66 PHPAPI void var_destroy(php_unserialize_data_t *var_hash);
67
68 #define PHP_VAR_UNSERIALIZE_ZVAL_CHANGED(var_hash, ozval, nzval) \
69 var_replace((var_hash), (ozval), &(nzval))
70
71 PHPAPI zend_class_entry *php_create_empty_class(char *class_name, int len);
72
php_varname_check(char * name,int name_len,zend_bool silent TSRMLS_DC)73 static inline int php_varname_check(char *name, int name_len, zend_bool silent TSRMLS_DC) /* {{{ */
74 {
75 if (name_len == sizeof("GLOBALS") - 1 && !memcmp(name, "GLOBALS", sizeof("GLOBALS") - 1)) {
76 if (!silent) {
77 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted GLOBALS variable overwrite");
78 }
79 return FAILURE;
80 } else if (name[0] == '_' &&
81 (
82 (name_len == sizeof("_GET") - 1 && !memcmp(name, "_GET", sizeof("_GET") - 1)) ||
83 (name_len == sizeof("_POST") - 1 && !memcmp(name, "_POST", sizeof("_POST") - 1)) ||
84 (name_len == sizeof("_COOKIE") - 1 && !memcmp(name, "_COOKIE", sizeof("_COOKIE") - 1)) ||
85 (name_len == sizeof("_ENV") - 1 && !memcmp(name, "_ENV", sizeof("_ENV") - 1)) ||
86 (name_len == sizeof("_SERVER") - 1 && !memcmp(name, "_SERVER", sizeof("_SERVER") - 1)) ||
87 (name_len == sizeof("_SESSION") - 1 && !memcmp(name, "_SESSION", sizeof("_SESSION") - 1)) ||
88 (name_len == sizeof("_FILES") - 1 && !memcmp(name, "_FILES", sizeof("_FILES") - 1)) ||
89 (name_len == sizeof("_REQUEST") -1 && !memcmp(name, "_REQUEST", sizeof("_REQUEST") - 1))
90 )
91 ) {
92 if (!silent) {
93 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted super-global (%s) variable overwrite", name);
94 }
95 return FAILURE;
96 } else if (name[0] == 'H' &&
97 (
98 (name_len == sizeof("HTTP_POST_VARS") - 1 && !memcmp(name, "HTTP_POST_VARS", sizeof("HTTP_POST_VARS") - 1)) ||
99 (name_len == sizeof("HTTP_GET_VARS") - 1 && !memcmp(name, "HTTP_GET_VARS", sizeof("HTTP_GET_VARS") - 1)) ||
100 (name_len == sizeof("HTTP_COOKIE_VARS") - 1 && !memcmp(name, "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS") - 1)) ||
101 (name_len == sizeof("HTTP_ENV_VARS") - 1 && !memcmp(name, "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS") - 1)) ||
102 (name_len == sizeof("HTTP_SERVER_VARS") - 1 && !memcmp(name, "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS") - 1)) ||
103 (name_len == sizeof("HTTP_SESSION_VARS") - 1 && !memcmp(name, "HTTP_SESSION_VARS", sizeof("HTTP_SESSION_VARS") - 1)) ||
104 (name_len == sizeof("HTTP_RAW_POST_DATA") - 1 && !memcmp(name, "HTTP_RAW_POST_DATA", sizeof("HTTP_RAW_POST_DATA") - 1)) ||
105 (name_len == sizeof("HTTP_POST_FILES") - 1 && !memcmp(name, "HTTP_POST_FILES", sizeof("HTTP_POST_FILES") - 1))
106 )
107 ) {
108 if (!silent) {
109 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted long input array (%s) overwrite", name);
110 }
111 return FAILURE;
112 }
113 return SUCCESS;
114 }
115 /* }}} */
116
117 #endif /* PHP_VAR_H */
118
