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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 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)
{
char *class_name;
zend_bool class_name_alloced = 1;
class_name = php_lookup_class_name(object, NULL);
if (!class_name) {
class_name_alloced = 0;
class_name = "unknown";
}
php_error_docref(NULL TSRMLS_CC, error_type, INCOMPLETE_CLASS_MSG, class_name);
if (class_name_alloced) {
efree(class_name);
}
}
/* }}} */
static zval *incomplete_class_get_property(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
if (type == BP_VAR_W || type == BP_VAR_RW) {
return EG(error_zval_ptr);
} else {
return EG(uninitialized_zval_ptr);
}
}
/* }}} */
static void incomplete_class_write_property(zval *object, zval *member, zval *value, const zend_literal *key TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
}
/* }}} */
static zval **incomplete_class_get_property_ptr_ptr(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
return &EG(error_zval_ptr);
}
/* }}} */
static void incomplete_class_unset_property(zval *object, zval *member, const zend_literal *key TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
}
/* }}} */
static int incomplete_class_has_property(zval *object, zval *member, int check_empty, const zend_literal *key TSRMLS_DC) /* {{{ */
{
incomplete_class_message(object, E_NOTICE TSRMLS_CC);
return 0;
}
/* }}} */
static union _zend_function *incomplete_class_get_method(zval **object, char *method, int method_len, const zend_literal *key TSRMLS_DC) /* {{{ */
{
incomplete_class_message(*object, E_ERROR TSRMLS_CC);
return NULL;
}
/* }}} */
/* {{{ php_create_incomplete_class
*/
static zend_object_value php_create_incomplete_object(zend_class_entry *class_type TSRMLS_DC)
{
zend_object *object;
zend_object_value value;
value = zend_objects_new(&object, class_type TSRMLS_CC);
value.handlers = &php_incomplete_object_handlers;
object_properties_init(object, class_type);
return value;
}
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 char *php_lookup_class_name(zval *object, zend_uint *nlen)
{
zval **val;
char *retval = NULL;
HashTable *object_properties;
TSRMLS_FETCH();
object_properties = Z_OBJPROP_P(object);
if (zend_hash_find(object_properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER), (void **) &val) == SUCCESS && Z_TYPE_PP(val) == IS_STRING) {
retval = estrndup(Z_STRVAL_PP(val), Z_STRLEN_PP(val));
if (nlen) {
*nlen = Z_STRLEN_PP(val);
}
}
return retval;
}
/* }}} */
/* {{{ php_store_class_name
*/
PHPAPI void php_store_class_name(zval *object, const char *name, zend_uint len)
{
zval *val;
TSRMLS_FETCH();
MAKE_STD_ZVAL(val);
Z_TYPE_P(val) = IS_STRING;
Z_STRVAL_P(val) = estrndup(name, len);
Z_STRLEN_P(val) = len;
zend_hash_update(Z_OBJPROP_P(object), MAGIC_MEMBER, sizeof(MAGIC_MEMBER), &val, sizeof(val), NULL);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
|
