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Remove state pointer argument from php_strip_tags

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This commit is contained in:
Nikita Popov 2020-01-27 16:13:36 +01:00
parent d6a6a60ef9
commit 8dd91f52a5
3 changed files with 7 additions and 21 deletions
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2
ext/filter/sanitizing_filters.c
View File

@ -194,7 +194,7 @@ void php_filter_string(PHP_INPUT_FILTER_PARAM_DECL)
php_filter_encode_html(value, enc);
/* strip tags, implicitly also removes \0 chars */
new_len = php_strip_tags_ex(Z_STRVAL_P(value), Z_STRLEN_P(value), NULL, NULL, 0, 1);
new_len = php_strip_tags_ex(Z_STRVAL_P(value), Z_STRLEN_P(value), NULL, 0, 1);
Z_STRLEN_P(value) = new_len;
if (new_len == 0) {

4
ext/standard/php_string.h
View File

@ -123,8 +123,8 @@ PHPAPI char *php_stristr(char *s, char *t, size_t s_len, size_t t_len);
PHPAPI zend_string *php_str_to_str(const char *haystack, size_t length, const char *needle,
size_t needle_len, const char *str, size_t str_len);
PHPAPI zend_string *php_trim(zend_string *str, char *what, size_t what_len, int mode);
PHPAPI size_t php_strip_tags(char *rbuf, size_t len, uint8_t *state, const char *allow, size_t allow_len);
PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const char *allow, size_t allow_len, zend_bool allow_tag_spaces);
PHPAPI size_t php_strip_tags(char *rbuf, size_t len, const char *allow, size_t allow_len);
PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, const char *allow, size_t allow_len, zend_bool allow_tag_spaces);
PHPAPI void php_implode(const zend_string *delim, HashTable *arr, zval *return_value);
PHPAPI void php_explode(const zend_string *delim, zend_string *str, zval *return_value, zend_long limit);

22
ext/standard/string.c
View File

@ -4659,7 +4659,7 @@ PHP_FUNCTION(strip_tags)
}
buf = zend_string_init(ZSTR_VAL(str), ZSTR_LEN(str), 0);
ZSTR_LEN(buf) = php_strip_tags_ex(ZSTR_VAL(buf), ZSTR_LEN(str), NULL, allowed_tags, allowed_tags_len, 0);
ZSTR_LEN(buf) = php_strip_tags_ex(ZSTR_VAL(buf), ZSTR_LEN(str), allowed_tags, allowed_tags_len, 0);
smart_str_free(&tags_ss);
RETURN_NEW_STR(buf);
}
@ -4869,9 +4869,9 @@ int php_tag_find(char *tag, size_t len, const char *set) {
}
/* }}} */
PHPAPI size_t php_strip_tags(char *rbuf, size_t len, uint8_t *stateptr, const char *allow, size_t allow_len) /* {{{ */
PHPAPI size_t php_strip_tags(char *rbuf, size_t len, const char *allow, size_t allow_len) /* {{{ */
{
return php_strip_tags_ex(rbuf, len, stateptr, allow, allow_len, 0);
return php_strip_tags_ex(rbuf, len, allow, allow_len, 0);
}
/* }}} */
@ -4895,7 +4895,7 @@ PHPAPI size_t php_strip_tags(char *rbuf, size_t len, uint8_t *stateptr, const ch
swm: Added ability to strip <?xml tags without assuming it PHP
code.
*/
PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const char *allow, size_t allow_len, zend_bool allow_tag_spaces)
PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, const char *allow, size_t allow_len, zend_bool allow_tag_spaces)
{
char *tbuf, *tp, *rp, c, lc;
const char *buf, *p, *end;
@ -4920,18 +4920,6 @@ PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const
tbuf = tp = NULL;
}
if (stateptr) {
state = *stateptr;
switch (state) {
case 1: goto state_1;
case 2: goto state_2;
case 3: goto state_3;
case 4: goto state_4;
default:
break;
}
}
state_0:
if (p >= end) {
goto finish;
@ -5225,8 +5213,6 @@ finish:
if (allow_free) {
efree(allow_free);
}
if (stateptr)
*stateptr = state;
return (size_t)(rp - rbuf);
}