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
|
/*
+----------------------------------------------------------------------+
| Suhosin Version 1 |
+----------------------------------------------------------------------+
| Copyright (c) 2006 The Hardened-PHP Project |
+----------------------------------------------------------------------+
| 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: Stefan Esser <sesser@hardened-php.net> |
+----------------------------------------------------------------------+
*/
/*
$Id: memory_limit.c,v 1.4 2006-08-25 21:00:07 sesser Exp $
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_suhosin.h"
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(suhosin_OnChangeMemoryLimit)
{
long hard_memory_limit = 1<<30;
if (stage == ZEND_INI_STAGE_RUNTIME) {
if (SUHOSIN_G(memory_limit) > 0) {
SUHOSIN_G(hard_memory_limit) = SUHOSIN_G(memory_limit);
} else if (SUHOSIN_G(hard_memory_limit) == 0) {
SUHOSIN_G(hard_memory_limit) = PG(memory_limit);
}
hard_memory_limit = SUHOSIN_G(hard_memory_limit);
} else {
SUHOSIN_G(hard_memory_limit) = 0;
}
if (new_value) {
PG(memory_limit) = zend_atoi(new_value, new_value_length);
if (PG(memory_limit) > hard_memory_limit || PG(memory_limit) < 0) {
suhosin_log(S_MISC, "script tried to increase memory_limit to %u bytes which is above the allowed value", PG(memory_limit));
if (!SUHOSIN_G(simulation)) {
PG(memory_limit) = hard_memory_limit;
return FAILURE;
}
}
} else {
PG(memory_limit) = hard_memory_limit;
}
return zend_set_memory_limit(PG(memory_limit));
}
/* }}} */
void suhosin_hook_memory_limit()
{
zend_ini_entry *ini_entry;
TSRMLS_FETCH();
/* check if we are compiled against memory_limit */
if (zend_hash_find(EG(ini_directives), "memory_limit", sizeof("memory_limit"), (void **) &ini_entry)==FAILURE) {
return;
}
/* replace OnUpdateMemoryLimit handler */
ini_entry->on_modify = suhosin_OnChangeMemoryLimit;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
|
