1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
+----------------------------------------------------------------------+
| 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_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 */
|
