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
|
--TEST--
Object test, unserialize_callback_func (PHP >= 8.2)
--SKIPIF--
<?php if (PHP_VERSION_ID < 80200) echo "skip requires php < 8.2\n"; ?>
--INI--
error_reporting=E_ALL
unserialize_callback_func=autoload
--FILE--
<?php
if(!extension_loaded('igbinary')) {
dl('igbinary.' . PHP_SHLIB_SUFFIX);
}
function test(string $type, string $variable) {
$serialized = pack('H*', $variable);
try {
$unserialized = igbinary_unserialize($serialized);
} catch (Error $e) {
echo $type, "\n";
echo "Caught {$e->getMessage()}\n";
return;
}
echo $type, "\n";
echo substr(bin2hex($serialized), 8), "\n";
var_dump($unserialized);
// The read_property handler is set to incomplete_class_get_property,
// making this always return null for __PHP_Incomplete_Class
var_dump($unserialized->b);
echo $unserialized->b == 2 ? 'OK' : 'ERROR';
echo "\n";
}
function autoload($classname) {
echo "Autoloading $classname\n";
if (!class_exists(Obj::class)) {
class Obj {
var $a;
var $b;
function __construct($a, $b) {
$this->a = $a;
$this->b = $b;
}
}
}
}
test('autoload', '0000000217034f626a140211016106011101620602'); // "Obj"
test('autoload', '0000000217034f626b140211016106011101620602'); // "Obk" failing to autoload
ini_set('unserialize_callback_func', strtolower('Missing_autoload'));
test('missing_autoload', '0000000217034f626c140211016106011101620602'); // Obk" with missing autoload function
/*
* you can add regression tests for your extension here
*
* the output of your test code has to be equal to the
* text in the --EXPECT-- section below for the tests
* to pass, differences between the output and the
* expected text are interpreted as failure
*
* see TESTING.md for further information on
* writing regression tests
*/
?>
--EXPECTF--
Autoloading Obj
autoload
17034f626a140211016106011101620602
object(Obj)#1 (2) {
["a"]=>
int(1)
["b"]=>
int(2)
}
int(2)
OK
Autoloading Obk
Warning: igbinary_unserialize(): Function autoload() hasn't defined the class it was called for in %sigbinary_022_php82.php on line 9
autoload
17034f626b140211016106011101620602
object(__PHP_Incomplete_Class)#1 (3) {
["__PHP_Incomplete_Class_Name"]=>
string(3) "Obk"
["a"]=>
int(1)
["b"]=>
int(2)
}
Warning: test(): The script tried to access a property on an incomplete object. Please ensure that the class definition "Obk" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide an autoloader to load the class definition in %sigbinary_022_php82.php on line 21
NULL
Warning: test(): The script tried to access a property on an incomplete object. Please ensure that the class definition "Obk" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide an autoloader to load the class definition in %sigbinary_022_php82.php on line 22
ERROR
missing_autoload
Caught Invalid callback missing_autoload, function "missing_autoload" not found or invalid function name
|
