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mbstring.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tsukada Takuya <[email protected]> |
| Rui Hirokawa <[email protected]> |
| Hironori Sato <[email protected]> |
| Shigeru Kanemoto <[email protected]> |
+----------------------------------------------------------------------+
*/
/* {{{ includes */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "php_variables.h"
#include "mbstring.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_mail.h"
#include "ext/standard/exec.h"
#include "ext/standard/url.h"
#include "main/php_output.h"
#include "ext/standard/info.h"
#include "libmbfl/mbfl/mbfl_allocators.h"
#include "libmbfl/mbfl/mbfilter_8bit.h"
#include "libmbfl/mbfl/mbfilter_pass.h"
#include "libmbfl/mbfl/mbfilter_wchar.h"
#include "libmbfl/filters/mbfilter_ascii.h"
#include "libmbfl/filters/mbfilter_base64.h"
#include "libmbfl/filters/mbfilter_qprint.h"
#include "libmbfl/filters/mbfilter_ucs4.h"
#include "libmbfl/filters/mbfilter_utf8.h"
#include "php_variables.h"
#include "php_globals.h"
#include "rfc1867.h"
#include "php_content_types.h"
#include "SAPI.h"
#include "php_unicode.h"
#include "TSRM.h"
#include "mb_gpc.h"
#if HAVE_MBREGEX
# include "php_mbregex.h"
# include "php_onig_compat.h"
# include <oniguruma.h>
# undef UChar
#if ONIGURUMA_VERSION_INT < 60800
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)
#define onig_match_with_param(re, str, end, at, region, option, mp) \
onig_match(re, str, end, at, region, option)
#endif
#else
# include "ext/pcre/php_pcre.h"
#endif
#include "zend_multibyte.h"
#include "mbstring_arginfo.h"
/* }}} */
#if HAVE_MBSTRING
/* {{{ prototypes */
ZEND_DECLARE_MODULE_GLOBALS(mbstring)
static PHP_GINIT_FUNCTION(mbstring);
static PHP_GSHUTDOWN_FUNCTION(mbstring);
static void php_mb_populate_current_detect_order_list(void);
static int php_mb_encoding_translation(void);
static void php_mb_gpc_get_detect_order(const zend_encoding ***list, size_t *list_size);
static void php_mb_gpc_set_input_encoding(const zend_encoding *encoding);
static inline zend_bool php_mb_is_unsupported_no_encoding(enum mbfl_no_encoding no_enc);
static inline zend_bool php_mb_is_no_encoding_utf8(enum mbfl_no_encoding no_enc);
/* }}} */
/* {{{ php_mb_default_identify_list */
typedef struct _php_mb_nls_ident_list {
enum mbfl_no_language lang;
const enum mbfl_no_encoding *list;
size_t list_size;
} php_mb_nls_ident_list;
static const enum mbfl_no_encoding php_mb_default_identify_list_ja[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_jis,
mbfl_no_encoding_utf8,
mbfl_no_encoding_euc_jp,
mbfl_no_encoding_sjis
};
static const enum mbfl_no_encoding php_mb_default_identify_list_cn[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_utf8,
mbfl_no_encoding_euc_cn,
mbfl_no_encoding_cp936
};
static const enum mbfl_no_encoding php_mb_default_identify_list_tw_hk[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_utf8,
mbfl_no_encoding_euc_tw,
mbfl_no_encoding_big5
};
static const enum mbfl_no_encoding php_mb_default_identify_list_kr[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_utf8,
mbfl_no_encoding_euc_kr,
mbfl_no_encoding_uhc
};
static const enum mbfl_no_encoding php_mb_default_identify_list_ru[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_utf8,
mbfl_no_encoding_koi8r,
mbfl_no_encoding_cp1251,
mbfl_no_encoding_cp866
};
static const enum mbfl_no_encoding php_mb_default_identify_list_hy[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_utf8,
mbfl_no_encoding_armscii8
};
static const enum mbfl_no_encoding php_mb_default_identify_list_tr[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_utf8,
mbfl_no_encoding_cp1254,
mbfl_no_encoding_8859_9
};
static const enum mbfl_no_encoding php_mb_default_identify_list_ua[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_utf8,
mbfl_no_encoding_koi8u
};
static const enum mbfl_no_encoding php_mb_default_identify_list_neut[] = {
mbfl_no_encoding_ascii,
mbfl_no_encoding_utf8
};
static const php_mb_nls_ident_list php_mb_default_identify_list[] = {
{ mbfl_no_language_japanese, php_mb_default_identify_list_ja, sizeof(php_mb_default_identify_list_ja) / sizeof(php_mb_default_identify_list_ja[0]) },
{ mbfl_no_language_korean, php_mb_default_identify_list_kr, sizeof(php_mb_default_identify_list_kr) / sizeof(php_mb_default_identify_list_kr[0]) },
{ mbfl_no_language_traditional_chinese, php_mb_default_identify_list_tw_hk, sizeof(php_mb_default_identify_list_tw_hk) / sizeof(php_mb_default_identify_list_tw_hk[0]) },
{ mbfl_no_language_simplified_chinese, php_mb_default_identify_list_cn, sizeof(php_mb_default_identify_list_cn) / sizeof(php_mb_default_identify_list_cn[0]) },
{ mbfl_no_language_russian, php_mb_default_identify_list_ru, sizeof(php_mb_default_identify_list_ru) / sizeof(php_mb_default_identify_list_ru[0]) },
{ mbfl_no_language_armenian, php_mb_default_identify_list_hy, sizeof(php_mb_default_identify_list_hy) / sizeof(php_mb_default_identify_list_hy[0]) },
{ mbfl_no_language_turkish, php_mb_default_identify_list_tr, sizeof(php_mb_default_identify_list_tr) / sizeof(php_mb_default_identify_list_tr[0]) },
{ mbfl_no_language_ukrainian, php_mb_default_identify_list_ua, sizeof(php_mb_default_identify_list_ua) / sizeof(php_mb_default_identify_list_ua[0]) },
{ mbfl_no_language_neutral, php_mb_default_identify_list_neut, sizeof(php_mb_default_identify_list_neut) / sizeof(php_mb_default_identify_list_neut[0]) }
};
/* }}} */
/* {{{ zend_function_entry mbstring_functions[] */
static const zend_function_entry mbstring_functions[] = {
PHP_FE(mb_convert_case, arginfo_mb_convert_case)
PHP_FE(mb_strtoupper, arginfo_mb_strtoupper)
PHP_FE(mb_strtolower, arginfo_mb_strtolower)
PHP_FE(mb_language, arginfo_mb_language)
PHP_FE(mb_internal_encoding, arginfo_mb_internal_encoding)
PHP_FE(mb_http_input, arginfo_mb_http_input)
PHP_FE(mb_http_output, arginfo_mb_http_output)
PHP_FE(mb_detect_order, arginfo_mb_detect_order)
PHP_FE(mb_substitute_character, arginfo_mb_substitute_character)
PHP_FE(mb_parse_str, arginfo_mb_parse_str)
PHP_FE(mb_output_handler, arginfo_mb_output_handler)
PHP_FE(mb_preferred_mime_name, arginfo_mb_preferred_mime_name)
PHP_FE(mb_str_split, arginfo_mb_str_split)
PHP_FE(mb_strlen, arginfo_mb_strlen)
PHP_FE(mb_strpos, arginfo_mb_strpos)
PHP_FE(mb_strrpos, arginfo_mb_strrpos)
PHP_FE(mb_stripos, arginfo_mb_stripos)
PHP_FE(mb_strripos, arginfo_mb_strripos)
PHP_FE(mb_strstr, arginfo_mb_strstr)
PHP_FE(mb_strrchr, arginfo_mb_strrchr)
PHP_FE(mb_stristr, arginfo_mb_stristr)
PHP_FE(mb_strrichr, arginfo_mb_strrichr)
PHP_FE(mb_substr_count, arginfo_mb_substr_count)
PHP_FE(mb_substr, arginfo_mb_substr)
PHP_FE(mb_strcut, arginfo_mb_strcut)
PHP_FE(mb_strwidth, arginfo_mb_strwidth)
PHP_FE(mb_strimwidth, arginfo_mb_strimwidth)
PHP_FE(mb_convert_encoding, arginfo_mb_convert_encoding)
PHP_FE(mb_detect_encoding, arginfo_mb_detect_encoding)
PHP_FE(mb_list_encodings, arginfo_mb_list_encodings)
PHP_FE(mb_encoding_aliases, arginfo_mb_encoding_aliases)
PHP_FE(mb_convert_kana, arginfo_mb_convert_kana)
PHP_FE(mb_encode_mimeheader, arginfo_mb_encode_mimeheader)
PHP_FE(mb_decode_mimeheader, arginfo_mb_decode_mimeheader)
PHP_FE(mb_convert_variables, arginfo_mb_convert_variables)
PHP_FE(mb_encode_numericentity, arginfo_mb_encode_numericentity)
PHP_FE(mb_decode_numericentity, arginfo_mb_decode_numericentity)
PHP_FE(mb_send_mail, arginfo_mb_send_mail)
PHP_FE(mb_get_info, arginfo_mb_get_info)
PHP_FE(mb_check_encoding, arginfo_mb_check_encoding)
PHP_FE(mb_ord, arginfo_mb_ord)
PHP_FE(mb_chr, arginfo_mb_chr)
PHP_FE(mb_scrub, arginfo_mb_scrub)
#if HAVE_MBREGEX
PHP_MBREGEX_FUNCTION_ENTRIES
#endif
PHP_FE_END
};
/* }}} */
/* {{{ zend_module_entry mbstring_module_entry */
zend_module_entry mbstring_module_entry = {
STANDARD_MODULE_HEADER,
"mbstring",
mbstring_functions,
PHP_MINIT(mbstring),
PHP_MSHUTDOWN(mbstring),
PHP_RINIT(mbstring),
PHP_RSHUTDOWN(mbstring),
PHP_MINFO(mbstring),
PHP_MBSTRING_VERSION,
PHP_MODULE_GLOBALS(mbstring),
PHP_GINIT(mbstring),
PHP_GSHUTDOWN(mbstring),
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
/* {{{ static sapi_post_entry php_post_entries[] */
static const sapi_post_entry php_post_entries[] = {
{ DEFAULT_POST_CONTENT_TYPE, sizeof(DEFAULT_POST_CONTENT_TYPE)-1, sapi_read_standard_form_data, php_std_post_handler },
{ MULTIPART_CONTENT_TYPE, sizeof(MULTIPART_CONTENT_TYPE)-1, NULL, rfc1867_post_handler },
{ NULL, 0, NULL, NULL }
};
/* }}} */
#ifdef COMPILE_DL_MBSTRING
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(mbstring)
#endif
/* {{{ allocators */
static void *_php_mb_allocators_malloc(size_t sz)
{
return emalloc(sz);
}
static void *_php_mb_allocators_realloc(void *ptr, size_t sz)
{
return erealloc(ptr, sz);
}
static void *_php_mb_allocators_calloc(size_t nelems, size_t szelem)
{
return ecalloc(nelems, szelem);
}
static void _php_mb_allocators_free(void *ptr)
{
efree(ptr);
}
static void *_php_mb_allocators_pmalloc(size_t sz)
{
return pemalloc(sz, 1);
}
static void *_php_mb_allocators_prealloc(void *ptr, size_t sz)
{
return perealloc(ptr, sz, 1);
}
static void _php_mb_allocators_pfree(void *ptr)
{
pefree(ptr, 1);
}
static const mbfl_allocators _php_mb_allocators = {
_php_mb_allocators_malloc,
_php_mb_allocators_realloc,
_php_mb_allocators_calloc,
_php_mb_allocators_free,
_php_mb_allocators_pmalloc,
_php_mb_allocators_prealloc,
_php_mb_allocators_pfree
};
/* }}} */
/* {{{ static sapi_post_entry mbstr_post_entries[] */
static const sapi_post_entry mbstr_post_entries[] = {
{ DEFAULT_POST_CONTENT_TYPE, sizeof(DEFAULT_POST_CONTENT_TYPE)-1, sapi_read_standard_form_data, php_mb_post_handler },
{ MULTIPART_CONTENT_TYPE, sizeof(MULTIPART_CONTENT_TYPE)-1, NULL, rfc1867_post_handler },
{ NULL, 0, NULL, NULL }
};
/* }}} */
static const mbfl_encoding *php_mb_get_encoding(zend_string *encoding_name) {
if (encoding_name) {
const mbfl_encoding *encoding;
zend_string *last_encoding_name = MBSTRG(last_used_encoding_name);
if (last_encoding_name && (last_encoding_name == encoding_name
|| !strcasecmp(ZSTR_VAL(encoding_name), ZSTR_VAL(last_encoding_name)))) {
return MBSTRG(last_used_encoding);
}
encoding = mbfl_name2encoding(ZSTR_VAL(encoding_name));
if (!encoding) {
php_error_docref(NULL, E_WARNING, "Unknown encoding \"%s\"", ZSTR_VAL(encoding_name));
return NULL;
}
if (last_encoding_name) {
zend_string_release(last_encoding_name);
}
MBSTRG(last_used_encoding_name) = zend_string_copy(encoding_name);
MBSTRG(last_used_encoding) = encoding;
return encoding;
} else {
return MBSTRG(current_internal_encoding);
}
}
/* {{{ static int php_mb_parse_encoding_list()
* Return FAILURE if input contains any illegal encoding, otherwise SUCCESS.
* Even if any illegal encoding is detected the result may contain a list
* of parsed encodings.
*/
static int
php_mb_parse_encoding_list(const char *value, size_t value_length, const mbfl_encoding ***return_list, size_t *return_size, int persistent)
{
int bauto, ret = SUCCESS;
size_t n, size;
char *p, *p1, *p2, *endp, *tmpstr;
const mbfl_encoding **entry, **list;
list = NULL;
if (value == NULL || value_length == 0) {
if (return_list) {
*return_list = NULL;
}
if (return_size) {
*return_size = 0;
}
return FAILURE;
} else {
/* copy the value string for work */
if (value[0]=='"' && value[value_length-1]=='"' && value_length>2) {
tmpstr = (char *)estrndup(value+1, value_length-2);
value_length -= 2;
}
else
tmpstr = (char *)estrndup(value, value_length);
/* count the number of listed encoding names */
endp = tmpstr + value_length;
n = 1;
p1 = tmpstr;
while ((p2 = (char*)php_memnstr(p1, ",", 1, endp)) != NULL) {
p1 = p2 + 1;
n++;
}
size = n + MBSTRG(default_detect_order_list_size);
/* make list */
list = (const mbfl_encoding **)pecalloc(size, sizeof(mbfl_encoding*), persistent);
entry = list;
n = 0;
bauto = 0;
p1 = tmpstr;
do {
p2 = p = (char*)php_memnstr(p1, ",", 1, endp);
if (p == NULL) {
p = endp;
}
*p = '\0';
/* trim spaces */
while (p1 < p && (*p1 == ' ' || *p1 == '\t')) {
p1++;
}
p--;
while (p > p1 && (*p == ' ' || *p == '\t')) {
*p = '\0';
p--;
}
/* convert to the encoding number and check encoding */
if (strcasecmp(p1, "auto") == 0) {
if (!bauto) {
const enum mbfl_no_encoding *src = MBSTRG(default_detect_order_list);
const size_t identify_list_size = MBSTRG(default_detect_order_list_size);
size_t i;
bauto = 1;
for (i = 0; i < identify_list_size; i++) {
*entry++ = mbfl_no2encoding(*src++);
n++;
}
}
} else {
const mbfl_encoding *encoding = mbfl_name2encoding(p1);
if (encoding) {
*entry++ = encoding;
n++;
} else {
ret = FAILURE;
}
}
p1 = p2 + 1;
} while (n < size && p2 != NULL);
if (n > 0) {
if (return_list) {
*return_list = list;
} else {
pefree(list, persistent);
}
} else {
pefree(list, persistent);
if (return_list) {
*return_list = NULL;
}
ret = FAILURE;
}
if (return_size) {
*return_size = n;
}
efree(tmpstr);
}
return ret;
}
/* }}} */
/* {{{ static int php_mb_parse_encoding_array()
* Return FAILURE if input contains any illegal encoding, otherwise SUCCESS.
* Even if any illegal encoding is detected the result may contain a list
* of parsed encodings.
*/
static int
php_mb_parse_encoding_array(zval *array, const mbfl_encoding ***return_list, size_t *return_size, int persistent)
{
zval *hash_entry;
HashTable *target_hash;
int i, n, bauto, ret = SUCCESS;
const mbfl_encoding **list, **entry;
size_t size;
list = NULL;
if (Z_TYPE_P(array) == IS_ARRAY) {
target_hash = Z_ARRVAL_P(array);
i = zend_hash_num_elements(target_hash);
size = i + MBSTRG(default_detect_order_list_size);
list = (const mbfl_encoding **)pecalloc(size, sizeof(mbfl_encoding*), persistent);
entry = list;
bauto = 0;
n = 0;
ZEND_HASH_FOREACH_VAL(target_hash, hash_entry) {
zend_string *encoding_str = zval_try_get_string(hash_entry);
if (UNEXPECTED(!encoding_str)) {
ret = FAILURE;
break;
}
if (strcasecmp(ZSTR_VAL(encoding_str), "auto") == 0) {
if (!bauto) {
const enum mbfl_no_encoding *src = MBSTRG(default_detect_order_list);
const size_t identify_list_size = MBSTRG(default_detect_order_list_size);
size_t j;
bauto = 1;
for (j = 0; j < identify_list_size; j++) {
*entry++ = mbfl_no2encoding(*src++);
n++;
}
}
} else {
const mbfl_encoding *encoding = mbfl_name2encoding(ZSTR_VAL(encoding_str));
if (encoding) {
*entry++ = encoding;
n++;
} else {
ret = FAILURE;
}
}
i--;
zend_string_release(encoding_str);
} ZEND_HASH_FOREACH_END();
if (n > 0) {
if (return_list) {
*return_list = list;
} else {
pefree(list, persistent);
}
} else {
pefree(list, persistent);
if (return_list) {
*return_list = NULL;
}
ret = FAILURE;
}
if (return_size) {
*return_size = n;
}
}
return ret;
}
/* }}} */
/* {{{ zend_multibyte interface */
static const zend_encoding* php_mb_zend_encoding_fetcher(const char *encoding_name)
{
return (const zend_encoding*)mbfl_name2encoding(encoding_name);
}
static const char *php_mb_zend_encoding_name_getter(const zend_encoding *encoding)
{
return ((const mbfl_encoding *)encoding)->name;
}
static int php_mb_zend_encoding_lexer_compatibility_checker(const zend_encoding *_encoding)
{
const mbfl_encoding *encoding = (const mbfl_encoding*)_encoding;
if (encoding->flag & MBFL_ENCTYPE_SBCS) {
return 1;
}
if ((encoding->flag & (MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE)) == MBFL_ENCTYPE_MBCS) {
return 1;
}
return 0;
}
static const zend_encoding *php_mb_zend_encoding_detector(const unsigned char *arg_string, size_t arg_length, const zend_encoding **list, size_t list_size)
{
mbfl_string string;
if (!list) {
list = (const zend_encoding **)MBSTRG(current_detect_order_list);
list_size = MBSTRG(current_detect_order_list_size);
}
mbfl_string_init(&string);
string.no_language = MBSTRG(language);
string.val = (unsigned char *)arg_string;
string.len = arg_length;
return (const zend_encoding *) mbfl_identify_encoding(&string, (const mbfl_encoding **)list, list_size, 0);
}
static size_t php_mb_zend_encoding_converter(unsigned char **to, size_t *to_length, const unsigned char *from, size_t from_length, const zend_encoding *encoding_to, const zend_encoding *encoding_from)
{
mbfl_string string, result;
mbfl_buffer_converter *convd;
int status;
size_t loc;
/* new encoding */
/* initialize string */
string.encoding = (const mbfl_encoding*)encoding_from;
string.no_language = MBSTRG(language);
string.val = (unsigned char*)from;
string.len = from_length;
/* initialize converter */
convd = mbfl_buffer_converter_new((const mbfl_encoding *)encoding_from, (const mbfl_encoding *)encoding_to, string.len);
if (convd == NULL) {
return (size_t) -1;
}
mbfl_buffer_converter_illegal_mode(convd, MBSTRG(current_filter_illegal_mode));
mbfl_buffer_converter_illegal_substchar(convd, MBSTRG(current_filter_illegal_substchar));
/* do it */
status = mbfl_buffer_converter_feed2(convd, &string, &loc);
if (status) {
mbfl_buffer_converter_delete(convd);
return (size_t)-1;
}
mbfl_buffer_converter_flush(convd);
mbfl_string_init(&result);
if (!mbfl_buffer_converter_result(convd, &result)) {
mbfl_buffer_converter_delete(convd);
return (size_t)-1;
}
*to = result.val;
*to_length = result.len;
mbfl_buffer_converter_delete(convd);
return loc;
}
static int php_mb_zend_encoding_list_parser(const char *encoding_list, size_t encoding_list_len, const zend_encoding ***return_list, size_t *return_size, int persistent)
{
return php_mb_parse_encoding_list(encoding_list, encoding_list_len, (const mbfl_encoding ***)return_list, return_size, persistent);
}
static const zend_encoding *php_mb_zend_internal_encoding_getter(void)
{
return (const zend_encoding *)MBSTRG(internal_encoding);
}
static int php_mb_zend_internal_encoding_setter(const zend_encoding *encoding)
{
MBSTRG(internal_encoding) = (const mbfl_encoding *)encoding;
return SUCCESS;
}
static zend_multibyte_functions php_mb_zend_multibyte_functions = {
"mbstring",
php_mb_zend_encoding_fetcher,
php_mb_zend_encoding_name_getter,
php_mb_zend_encoding_lexer_compatibility_checker,
php_mb_zend_encoding_detector,
php_mb_zend_encoding_converter,
php_mb_zend_encoding_list_parser,
php_mb_zend_internal_encoding_getter,
php_mb_zend_internal_encoding_setter
};
/* }}} */
static void *_php_mb_compile_regex(const char *pattern);
static int _php_mb_match_regex(void *opaque, const char *str, size_t str_len);
static void _php_mb_free_regex(void *opaque);
#if HAVE_MBREGEX
/* {{{ _php_mb_compile_regex */
static void *_php_mb_compile_regex(const char *pattern)
{
php_mb_regex_t *retval;
OnigErrorInfo err_info;
int err_code;
if ((err_code = onig_new(&retval,
(const OnigUChar *)pattern,
(const OnigUChar *)pattern + strlen(pattern),
ONIG_OPTION_IGNORECASE | ONIG_OPTION_DONT_CAPTURE_GROUP,
ONIG_ENCODING_ASCII, &OnigSyntaxPerl, &err_info))) {
OnigUChar err_str[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str(err_str, err_code, err_info);
php_error_docref(NULL, E_WARNING, "%s: %s", pattern, err_str);
retval = NULL;
}
return retval;
}
/* }}} */
/* {{{ _php_mb_match_regex */
static int _php_mb_match_regex(void *opaque, const char *str, size_t str_len)
{
OnigMatchParam *mp = onig_new_match_param();
int err;
onig_initialize_match_param(mp);
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,
(const OnigUChar*)str + str_len, NULL, ONIG_OPTION_NONE, mp);
onig_free_match_param(mp);
return err >= 0;
}
/* }}} */
/* {{{ _php_mb_free_regex */
static void _php_mb_free_regex(void *opaque)
{
onig_free((php_mb_regex_t *)opaque);
}
/* }}} */
#else
/* {{{ _php_mb_compile_regex */
static void *_php_mb_compile_regex(const char *pattern)
{
pcre2_code *retval;
PCRE2_SIZE err_offset;
int errnum;
if (!(retval = pcre2_compile((PCRE2_SPTR)pattern, PCRE2_ZERO_TERMINATED,
PCRE2_CASELESS, &errnum, &err_offset, php_pcre_cctx()))) {
PCRE2_UCHAR err_str[128];
pcre2_get_error_message(errnum, err_str, sizeof(err_str));
php_error_docref(NULL, E_WARNING, "%s (offset=%zu): %s", pattern, err_offset, err_str);
}
return retval;
}
/* }}} */
/* {{{ _php_mb_match_regex */
static int _php_mb_match_regex(void *opaque, const char *str, size_t str_len)
{
int res;
pcre2_match_data *match_data = php_pcre_create_match_data(0, opaque);
if (NULL == match_data) {
pcre2_code_free(opaque);
php_error_docref(NULL, E_WARNING, "Cannot allocate match data");
return FAILURE;
}
res = pcre2_match(opaque, (PCRE2_SPTR)str, str_len, 0, 0, match_data, php_pcre_mctx()) >= 0;
php_pcre_free_match_data(match_data);
return res;
}
/* }}} */
/* {{{ _php_mb_free_regex */
static void _php_mb_free_regex(void *opaque)
{
pcre2_code_free(opaque);
}
/* }}} */
#endif
/* {{{ php_mb_nls_get_default_detect_order_list */
static int php_mb_nls_get_default_detect_order_list(enum mbfl_no_language lang, enum mbfl_no_encoding **plist, size_t *plist_size)
{
size_t i;
*plist = (enum mbfl_no_encoding *) php_mb_default_identify_list_neut;
*plist_size = sizeof(php_mb_default_identify_list_neut) / sizeof(php_mb_default_identify_list_neut[0]);
for (i = 0; i < sizeof(php_mb_default_identify_list) / sizeof(php_mb_default_identify_list[0]); i++) {
if (php_mb_default_identify_list[i].lang == lang) {
*plist = (enum mbfl_no_encoding *)php_mb_default_identify_list[i].list;
*plist_size = php_mb_default_identify_list[i].list_size;
return 1;
}
}
return 0;
}
/* }}} */
static char *php_mb_rfc1867_substring_conf(const zend_encoding *encoding, char *start, size_t len, char quote)
{
char *result = emalloc(len + 2);
char *resp = result;
size_t i;
for (i = 0; i < len && start[i] != quote; ++i) {
if (start[i] == '\\' && (start[i + 1] == '\\' || (quote && start[i + 1] == quote))) {
*resp++ = start[++i];
} else {
size_t j = php_mb_mbchar_bytes_ex(start+i, (const mbfl_encoding *)encoding);
while (j-- > 0 && i < len) {
*resp++ = start[i++];
}
--i;
}
}
*resp = '\0';
return result;
}
static char *php_mb_rfc1867_getword(const zend_encoding *encoding, char **line, char stop) /* {{{ */
{
char *pos = *line, quote;
char *res;
while (*pos && *pos != stop) {
if ((quote = *pos) == '"' || quote == '\'') {
++pos;
while (*pos && *pos != quote) {
if (*pos == '\\' && pos[1] && pos[1] == quote) {
pos += 2;
} else {
++pos;
}
}
if (*pos) {
++pos;
}
} else {
pos += php_mb_mbchar_bytes_ex(pos, (const mbfl_encoding *)encoding);
}
}
if (*pos == '\0') {
res = estrdup(*line);
*line += strlen(*line);
return res;
}
res = estrndup(*line, pos - *line);
while (*pos == stop) {
pos += php_mb_mbchar_bytes_ex(pos, (const mbfl_encoding *)encoding);
}
*line = pos;
return res;
}
/* }}} */
static char *php_mb_rfc1867_getword_conf(const zend_encoding *encoding, char *str) /* {{{ */
{
while (*str && isspace(*(unsigned char *)str)) {
++str;
}
if (!*str) {
return estrdup("");
}
if (*str == '"' || *str == '\'') {
char quote = *str;
str++;
return php_mb_rfc1867_substring_conf(encoding, str, strlen(str), quote);
} else {
char *strend = str;
while (*strend && !isspace(*(unsigned char *)strend)) {
++strend;
}
return php_mb_rfc1867_substring_conf(encoding, str, strend - str, 0);
}
}
/* }}} */
static char *php_mb_rfc1867_basename(const zend_encoding *encoding, char *filename) /* {{{ */
{
char *s, *s2;
const size_t filename_len = strlen(filename);
/* The \ check should technically be needed for win32 systems only where
* it is a valid path separator. However, IE in all it's wisdom always sends
* the full path of the file on the user's filesystem, which means that unless
* the user does basename() they get a bogus file name. Until IE's user base drops
* to nill or problem is fixed this code must remain enabled for all systems. */
s = php_mb_safe_strrchr_ex(filename, '\\', filename_len, (const mbfl_encoding *)encoding);
s2 = php_mb_safe_strrchr_ex(filename, '/', filename_len, (const mbfl_encoding *)encoding);
if (s && s2) {
if (s > s2) {
return ++s;
} else {
return ++s2;
}
} else if (s) {
return ++s;
} else if (s2) {
return ++s2;
} else {
return filename;
}
}
/* }}} */
/* {{{ php.ini directive handler */
/* {{{ static PHP_INI_MH(OnUpdate_mbstring_language) */
static PHP_INI_MH(OnUpdate_mbstring_language)
{
enum mbfl_no_language no_language;
no_language = mbfl_name2no_language(ZSTR_VAL(new_value));
if (no_language == mbfl_no_language_invalid) {
MBSTRG(language) = mbfl_no_language_neutral;
return FAILURE;
}
MBSTRG(language) = no_language;
php_mb_nls_get_default_detect_order_list(no_language, &MBSTRG(default_detect_order_list), &MBSTRG(default_detect_order_list_size));
return SUCCESS;
}
/* }}} */
/* {{{ static PHP_INI_MH(OnUpdate_mbstring_detect_order) */
static PHP_INI_MH(OnUpdate_mbstring_detect_order)
{
const mbfl_encoding **list;
size_t size;
if (!new_value) {
if (MBSTRG(detect_order_list)) {
pefree(MBSTRG(detect_order_list), 1);
}
MBSTRG(detect_order_list) = NULL;
MBSTRG(detect_order_list_size) = 0;
return SUCCESS;
}
if (FAILURE == php_mb_parse_encoding_list(ZSTR_VAL(new_value), ZSTR_LEN(new_value), &list, &size, 1)) {
return FAILURE;
}
if (MBSTRG(detect_order_list)) {
pefree(MBSTRG(detect_order_list), 1);
}
MBSTRG(detect_order_list) = list;
MBSTRG(detect_order_list_size) = size;
return SUCCESS;
}
/* }}} */
static int _php_mb_ini_mbstring_http_input_set(const char *new_value, size_t new_value_length) {
const mbfl_encoding **list;
size_t size;
if (FAILURE == php_mb_parse_encoding_list(new_value, new_value_length, &list, &size, 1)) {
return FAILURE;
}
if (MBSTRG(http_input_list)) {
pefree(MBSTRG(http_input_list), 1);
}
MBSTRG(http_input_list) = list;
MBSTRG(http_input_list_size) = size;
return SUCCESS;
}
/* {{{ static PHP_INI_MH(OnUpdate_mbstring_http_input) */
static PHP_INI_MH(OnUpdate_mbstring_http_input)
{
if (stage & (PHP_INI_STAGE_ACTIVATE | PHP_INI_STAGE_RUNTIME)) {
php_error_docref("ref.mbstring", E_DEPRECATED, "Use of mbstring.http_input is deprecated");
}
if (!new_value || !ZSTR_VAL(new_value)) {
const char *encoding = php_get_input_encoding();
MBSTRG(http_input_set) = 0;
_php_mb_ini_mbstring_http_input_set(encoding, strlen(encoding));
return SUCCESS;
}
MBSTRG(http_input_set) = 1;
return _php_mb_ini_mbstring_http_input_set(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
}
/* }}} */
static int _php_mb_ini_mbstring_http_output_set(const char *new_value) {
const mbfl_encoding *encoding = mbfl_name2encoding(new_value);
if (!encoding) {
return FAILURE;
}
MBSTRG(http_output_encoding) = encoding;
MBSTRG(current_http_output_encoding) = encoding;
return SUCCESS;
}
/* {{{ static PHP_INI_MH(OnUpdate_mbstring_http_output) */
static PHP_INI_MH(OnUpdate_mbstring_http_output)
{
if (stage & (PHP_INI_STAGE_ACTIVATE | PHP_INI_STAGE_RUNTIME)) {
php_error_docref("ref.mbstring", E_DEPRECATED, "Use of mbstring.http_output is deprecated");
}
if (new_value == NULL || ZSTR_LEN(new_value) == 0) {
MBSTRG(http_output_set) = 0;
_php_mb_ini_mbstring_http_output_set(php_get_output_encoding());
return SUCCESS;
}
MBSTRG(http_output_set) = 1;
return _php_mb_ini_mbstring_http_output_set(ZSTR_VAL(new_value));
}
/* }}} */
/* {{{ static _php_mb_ini_mbstring_internal_encoding_set */
static int _php_mb_ini_mbstring_internal_encoding_set(const char *new_value, size_t new_value_length)
{
const mbfl_encoding *encoding;
if (!new_value || !new_value_length || !(encoding = mbfl_name2encoding(new_value))) {
/* falls back to UTF-8 if an unknown encoding name is given */
encoding = mbfl_no2encoding(mbfl_no_encoding_utf8);
}
MBSTRG(internal_encoding) = encoding;
MBSTRG(current_internal_encoding) = encoding;
#if HAVE_MBREGEX
{