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
171
|
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 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: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "basic_functions.h"
#include "php_incomplete_class.h"
#define INCOMPLETE_CLASS_MSG \
"The script tried to execute a method or " \
"access a property of an incomplete object. " \
"Please ensure that the class definition \"%s\" of the object " \
"you are trying to operate on was loaded _before_ " \
"unserialize() gets called or provide a __autoload() function " \
"to load the class definition "
static zend_object_handlers php_incomplete_object_handlers;
/* {{{ incomplete_class_message
*/
static void incomplete_class_message(zval *object, int error_type TSRMLS_DC)
{
zend_string *class_name;
class_name = php_lookup_class_name(object);
if (class_name) {
php_error_docref(NULL TSRMLS_CC, error_type, INCOMPLETE_CLASS_MSG, class_name->val);
zend_string_release(class_name);
} else {
php_error_docref(NULL TSRMLS_CC, error_type, INCOMPLETE_CLASS_MSG, "unknown");
}
}
/* }}} */
static zval *incomplete_class_get_property(zval *object, zval *member, int type, void **cache_slot, zval *rv TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
if (type == BP_VAR_W || type == BP_VAR_RW) {
return &EG(error_zval);
} else {
return &EG(uninitialized_zval);
}
}
/* }}} */
static void incomplete_class_write_property(zval *object, zval *member, zval *value, void **cache_slot TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
}
/* }}} */
static zval *incomplete_class_get_property_ptr_ptr(zval *object, zval *member, int type, void **cache_slot TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
return &EG(error_zval);
}
/* }}} */
static void incomplete_class_unset_property(zval *object, zval *member, void **cache_slot TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
}
/* }}} */
static int incomplete_class_has_property(zval *object, zval *member, int check_empty, void **cache_slot TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
return 0;
}
/* }}} */
static union _zend_function *incomplete_class_get_method(zend_object **object, zend_string *method, const zval *key TSRMLS_DC) /* {{{ */
{
zval zobject;
ZVAL_OBJ(&zobject, *object);
incomplete_class_message(&zobject, E_ERROR TSRMLS_CC);
return NULL;
}
/* }}} */
/* {{{ php_create_incomplete_class
*/
static zend_object *php_create_incomplete_object(zend_class_entry *class_type TSRMLS_DC)
{
zend_object *object;
object = zend_objects_new( class_type TSRMLS_CC);
object->handlers = &php_incomplete_object_handlers;
object_properties_init(object, class_type);
return object;
}
PHPAPI zend_class_entry *php_create_incomplete_class(TSRMLS_D)
{
zend_class_entry incomplete_class;
INIT_CLASS_ENTRY(incomplete_class, INCOMPLETE_CLASS, NULL);
incomplete_class.create_object = php_create_incomplete_object;
memcpy(&php_incomplete_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
php_incomplete_object_handlers.read_property = incomplete_class_get_property;
php_incomplete_object_handlers.has_property = incomplete_class_has_property;
php_incomplete_object_handlers.unset_property = incomplete_class_unset_property;
php_incomplete_object_handlers.write_property = incomplete_class_write_property;
php_incomplete_object_handlers.get_property_ptr_ptr = incomplete_class_get_property_ptr_ptr;
php_incomplete_object_handlers.get_method = incomplete_class_get_method;
return zend_register_internal_class(&incomplete_class TSRMLS_CC);
}
/* }}} */
/* {{{ php_lookup_class_name
*/
PHPAPI zend_string *php_lookup_class_name(zval *object)
{
zval *val;
HashTable *object_properties;
TSRMLS_FETCH();
object_properties = Z_OBJPROP_P(object);
if ((val = zend_hash_str_find(object_properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER)-1)) != NULL) {
return zend_string_copy(Z_STR_P(val));
}
return NULL;
}
/* }}} */
/* {{{ php_store_class_name
*/
PHPAPI void php_store_class_name(zval *object, const char *name, uint32_t len)
{
zval val;
TSRMLS_FETCH();
ZVAL_STRINGL(&val, name, len);
zend_hash_str_update(Z_OBJPROP_P(object), MAGIC_MEMBER, sizeof(MAGIC_MEMBER)-1, &val);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
|
