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
|
--TEST--
local user streams must not be able to open() url's
--INI--
allow_url_fopen=1
allow_url_include=0
--FILE--
<?php
class test {
private $data = '<?php echo "Hello World\n";?>';
private $pos;
private $stream = null;
function stream_open($path, $mode, $options, &$opened_path)
{
if (strpos($path, "test2://") === 0) {
$this->stream = fopen("test1://".substr($path, 8), $mode);
return !empty($this->stream);
}
if (strchr($mode, 'a'))
$this->pos = strlen($this->data);
else
$this->po = 0;
return true;
}
function stream_read($count)
{
if (!empty($this->stream)) {
return fread($this->stream, $count);
}
$ret = substr($this->data, $this->pos, $count);
$this->pos += strlen($ret);
return $ret;
}
function stream_tell()
{
if (!empty($this->stream)) {
return ftell($this->stream);
}
return $this->pos;
}
function stream_eof()
{
if (!empty($this->stream)) {
return feof($this->stream);
}
return $this->pos >= strlen($this->data);
}
function stream_seek($offset, $whence)
{
if (!empty($this->stream)) {
return fseek($this->stream, $offset, $whence);
}
switch($whence) {
case SEEK_SET:
if ($offset < $this->data && $offset >= 0) {
$this->pos = $offset;
return true;
} else {
return false;
}
break;
case SEEK_CUR:
if ($offset >= 0) {
$this->pos += $offset;
return true;
} else {
return false;
}
break;
case SEEK_END:
if (strlen($this->data) + $offset >= 0) {
$this->pos = strlen($this->data) + $offset;
return true;
} else {
return false;
}
break;
default:
return false;
}
}
}
stream_register_wrapper("test1", "test", STREAM_IS_URL);
stream_register_wrapper("test2", "test");
echo @file_get_contents("test1://hello"),"\n";
@include "test1://hello";
echo @file_get_contents("test2://hello"),"\n";
include "test2://hello";
--EXPECTF--
<?php echo "Hello World\n";?>
<?php echo "Hello World\n";?>
Warning: fopen(): test1:// wrapper is disabled in the server configuration by allow_url_include=0 in %sinclude_userstream_002.php on line 10
Warning: fopen(test1://hello): Failed to open stream: no suitable wrapper could be found in %sinclude_userstream_002.php on line 10
Warning: include(test2://hello): Failed to open stream: "test::stream_open" call failed in %sinclude_userstream_002.php on line 89
Warning: include(): Failed opening 'test2://hello' for inclusion (include_path='%s') in %sinclude_userstream_002.php on line 89
|
