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Merge branch 'PHP-7.4'

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This commit is contained in:
Nikita Popov 2019-10-06 10:07:57 +02:00
commit 21e631e473
6 changed files with 49 additions and 1 deletions
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5
ext/mbstring/mbstring.c
View file

@ -63,6 +63,7 @@ typedef void OnigMatchParam;
#define onig_new_match_param() (NULL)
#define onig_initialize_match_param(x) (void)(x)
#define onig_set_match_stack_limit_size_of_match_param(x, y)
#define onig_set_retry_limit_in_match_of_match_param(x, y)
#define onig_free_match_param(x)
#define onig_search_with_param(reg, str, end, start, range, region, option, mp) \
onig_search(reg, str, end, start, range, region, option)
@ -1007,6 +1008,9 @@ static int _php_mb_match_regex(void *opaque, const char *str, size_t str_len)
if (!ZEND_LONG_UINT_OVFL(MBSTRG(regex_stack_limit))) {
onig_set_match_stack_limit_size_of_match_param(mp, (unsigned int)MBSTRG(regex_stack_limit));
}
if (!ZEND_LONG_UINT_OVFL(MBSTRG(regex_retry_limit))) {
onig_set_retry_limit_in_match_of_match_param(mp, (unsigned int)MBSTRG(regex_retry_limit));
}
/* search */
err = onig_search_with_param((php_mb_regex_t *)opaque, (const OnigUChar *)str,
(const OnigUChar*)str + str_len, (const OnigUChar *)str,
@ -1471,6 +1475,7 @@ PHP_INI_BEGIN()
strict_detection, zend_mbstring_globals, mbstring_globals)
#if HAVE_MBREGEX
STD_PHP_INI_ENTRY("mbstring.regex_stack_limit", "100000",PHP_INI_ALL, OnUpdateLong, regex_stack_limit, zend_mbstring_globals, mbstring_globals)
STD_PHP_INI_ENTRY("mbstring.regex_retry_limit", "1000000",PHP_INI_ALL, OnUpdateLong, regex_retry_limit, zend_mbstring_globals, mbstring_globals)
#endif
PHP_INI_END()
/* }}} */

3
ext/mbstring/mbstring.h
View file

@ -167,6 +167,9 @@ ZEND_BEGIN_MODULE_GLOBALS(mbstring)
zend_bool internal_encoding_set;
zend_bool http_output_set;
zend_bool http_input_set;
#if HAVE_MBREGEX
zend_long regex_retry_limit;
#endif
ZEND_END_MODULE_GLOBALS(mbstring)
#define MBSTRG(v) ZEND_MODULE_GLOBALS_ACCESSOR(mbstring, v)

7
ext/mbstring/php_mbregex.c
View file

@ -37,6 +37,7 @@ typedef void OnigMatchParam;
#define onig_new_match_param() (NULL)
#define onig_initialize_match_param(x) (void)(x)
#define onig_set_match_stack_limit_size_of_match_param(x, y)
#define onig_set_retry_limit_in_match_of_match_param(x, y)
#define onig_free_match_param(x)
#define onig_search_with_param(reg, str, end, start, range, region, option, mp) \
onig_search(reg, str, end, start, range, region, option)
@ -872,6 +873,9 @@ static int _php_mb_onig_search(regex_t* reg, const OnigUChar* str, const OnigUCh
if (!ZEND_LONG_UINT_OVFL(MBSTRG(regex_stack_limit))) {
onig_set_match_stack_limit_size_of_match_param(mp, (unsigned int)MBSTRG(regex_stack_limit));
}
if (!ZEND_LONG_UINT_OVFL(MBSTRG(regex_retry_limit))) {
onig_set_retry_limit_in_match_of_match_param(mp, (unsigned int)MBSTRG(regex_retry_limit));
}
/* search */
err = onig_search_with_param(reg, str, end, start, range, region, option, mp);
onig_free_match_param(mp);
@ -1363,6 +1367,9 @@ PHP_FUNCTION(mb_ereg_match)
if (MBSTRG(regex_stack_limit) > 0 && MBSTRG(regex_stack_limit) < UINT_MAX) {
onig_set_match_stack_limit_size_of_match_param(mp, (unsigned int)MBSTRG(regex_stack_limit));
}
if (MBSTRG(regex_retry_limit) > 0 && MBSTRG(regex_retry_limit) < UINT_MAX) {
onig_set_retry_limit_in_match_of_match_param(mp, (unsigned int)MBSTRG(regex_retry_limit));
}
/* match */
err = onig_match_with_param(re, (OnigUChar *)string, (OnigUChar *)(string + string_len), (OnigUChar *)string, NULL, 0, mp);
onig_free_match_param(mp);

23
ext/mbstring/tests/retry_limit.phpt Normal file
View file

@ -0,0 +1,23 @@
--TEST--
Oniguruma retry limit
--SKIPIF--
<?php
extension_loaded('mbstring') or die('skip mbstring not available');
if (!function_exists('mb_ereg')) die('skip mb_ereg not available');
if (version_compare(MB_ONIGURUMA_VERSION, '6.8.0') < 0) {
die('skip requires Oniguruma 6.8.0');
}
?>
--FILE--
<?php
$regex = 'A(B|C+)+D|AC+X';
$str = 'ACCCCCCCCCCCCCCCCCCCX';
var_dump(mb_ereg($regex, $str));
ini_set('mbstring.regex_retry_limit', '100000');
var_dump(mb_ereg($regex, $str));
?>
--EXPECT--
int(1)
bool(false)

5
php.ini-development
View file

@ -1662,6 +1662,11 @@ zend.assertions = 1
; Default: 100000
;mbstring.regex_stack_limit=100000
; This directive specifies maximum retry count for mbstring regular expressions. It is similar
; to the pcre.backtrack_limit for PCRE.
; Default: 1000000
;mbstring.regex_retry_limit=1000000
[gd]
; Tell the jpeg decode to ignore warnings and try to create
; a gd image. The warning will then be displayed as notices

5
php.ini-production
View file

@ -1664,6 +1664,11 @@ zend.assertions = -1
; Default: 100000
;mbstring.regex_stack_limit=100000
; This directive specifies maximum retry count for mbstring regular expressions. It is similar
; to the pcre.backtrack_limit for PCRE.
; Default: 1000000
;mbstring.regex_retry_limit=1000000
[gd]
; Tell the jpeg decode to ignore warnings and try to create
; a gd image. The warning will then be displayed as notices