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php-src/ext/mbstring/mbstring.c
Nikita Popov 46315defc7 Use locale-independent case conversion in mb_send_mail() 
Headers should not be processed in a locale-depdendent fashion.
Switch from upper to lowercasing because that's the standard for
PHP and we provide an ASCII implementation of this operation.

This is adapted from GH-7506.
2021-09-23 17:20:54 +02:00

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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: |
| https://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: Tsukada Takuya <tsukada@fminn.nagano.nagano.jp> |
| Rui Hirokawa <hirokawa@php.net> |
| Hironori Sato <satoh@jpnnet.com> |
| Shigeru Kanemoto <sgk@happysize.co.jp> |
+----------------------------------------------------------------------+
*/
/* {{{ includes */
#include "libmbfl/config.h"
#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 "ext/pcre/php_pcre.h"
#include "libmbfl/mbfl/mbfilter_8bit.h"
#include "libmbfl/mbfl/mbfilter_pass.h"
#include "libmbfl/mbfl/mbfilter_wchar.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 "libmbfl/filters/mbfilter_tl_jisx0201_jisx0208.h"
#include "libmbfl/filters/mbfilter_singlebyte.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"
#ifdef HAVE_MBREGEX
# include "php_mbregex.h"
#endif
#include "zend_multibyte.h"
#include "mbstring_arginfo.h"
/* }}} */
/* {{{ 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 bool php_mb_is_unsupported_no_encoding(enum mbfl_no_encoding no_enc);
static inline 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_module_entry mbstring_module_entry */
zend_module_entry mbstring_module_entry = {
STANDARD_MODULE_HEADER,
"mbstring",
ext_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
/* {{{ 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, uint32_t arg_num) {
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
|| zend_string_equals_ci(encoding_name, last_encoding_name))) {
return MBSTRG(last_used_encoding);
}
encoding = mbfl_name2encoding(ZSTR_VAL(encoding_name));
if (!encoding) {
zend_argument_value_error(arg_num, "must be a valid encoding, \"%s\" given", 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 const mbfl_encoding *php_mb_get_encoding_or_pass(const char *encoding_name) {
if (strcmp(encoding_name, "pass") == 0) {
return &mbfl_encoding_pass;
}
return mbfl_name2encoding(encoding_name);
}
static size_t count_commas(const char *p, const char *end) {
size_t count = 0;
while ((p = memchr(p, ',', end - p))) {
count++;
p++;
}
return count;
}
/* {{{ static zend_result php_mb_parse_encoding_list()
* Return FAILURE if input contains any illegal encoding, otherwise SUCCESS.
* Emits a ValueError in function context and a warning in INI context, in INI context arg_num must be 0.
*/
static zend_result php_mb_parse_encoding_list(const char *value, size_t value_length,
const mbfl_encoding ***return_list, size_t *return_size, bool persistent, uint32_t arg_num,
bool allow_pass_encoding)
{
if (value == NULL || value_length == 0) {
*return_list = NULL;
*return_size = 0;
return SUCCESS;
} else {
bool included_auto;
size_t n, size;
char *p1, *endp, *tmpstr;
const mbfl_encoding **entry, **list;
/* 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);
}
endp = tmpstr + value_length;
size = 1 + count_commas(tmpstr, endp) + MBSTRG(default_detect_order_list_size);
list = (const mbfl_encoding **)pecalloc(size, sizeof(mbfl_encoding*), persistent);
entry = list;
n = 0;
included_auto = 0;
p1 = tmpstr;
while (1) {
char *comma = (char *) php_memnstr(p1, ",", 1, endp);
char *p = comma ? comma : 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 (!included_auto) {
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;
included_auto = 1;
for (i = 0; i < identify_list_size; i++) {
*entry++ = mbfl_no2encoding(*src++);
n++;
}
}
} else {
const mbfl_encoding *encoding =
allow_pass_encoding ? php_mb_get_encoding_or_pass(p1) : mbfl_name2encoding(p1);
if (!encoding) {
/* Called from an INI setting modification */
if (arg_num == 0) {
php_error_docref("ref.mbstring", E_WARNING, "INI setting contains invalid encoding \"%s\"", p1);
} else {
zend_argument_value_error(arg_num, "contains invalid encoding \"%s\"", p1);
}
efree(tmpstr);
pefree(ZEND_VOIDP(list), persistent);
return FAILURE;
}
*entry++ = encoding;
n++;
}
if (n >= size || comma == NULL) {
break;
}
p1 = comma + 1;
}
*return_list = list;
*return_size = n;
efree(tmpstr);
}
return SUCCESS;
}
/* }}} */
/* {{{ static int php_mb_parse_encoding_array()
* Return FAILURE if input contains any illegal encoding, otherwise SUCCESS.
* Emits a ValueError in function context and a warning in INI context, in INI context arg_num must be 0.
*/
static int php_mb_parse_encoding_array(HashTable *target_hash, const mbfl_encoding ***return_list,
size_t *return_size, uint32_t arg_num)
{
/* Allocate enough space to include the default detect order if "auto" is used. */
size_t size = zend_hash_num_elements(target_hash) + MBSTRG(default_detect_order_list_size);
const mbfl_encoding **list = ecalloc(size, sizeof(mbfl_encoding*));
const mbfl_encoding **entry = list;
bool included_auto = 0;
size_t n = 0;
zval *hash_entry;
ZEND_HASH_FOREACH_VAL(target_hash, hash_entry) {
zend_string *encoding_str = zval_try_get_string(hash_entry);
if (UNEXPECTED(!encoding_str)) {
efree(ZEND_VOIDP(list));
return FAILURE;
}
if (zend_string_equals_literal_ci(encoding_str, "auto")) {
if (!included_auto) {
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;
included_auto = 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 {
zend_argument_value_error(arg_num, "contains invalid encoding \"%s\"", ZSTR_VAL(encoding_str));
zend_string_release(encoding_str);
efree(ZEND_VOIDP(list));
return FAILURE;
}
}
zend_string_release(encoding_str);
} ZEND_HASH_FOREACH_END();
*return_list = list;
*return_size = n;
return SUCCESS;
}
/* }}} */
/* {{{ 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 bool php_mb_zend_encoding_lexer_compatibility_checker(const zend_encoding *_encoding)
{
const mbfl_encoding *encoding = (const mbfl_encoding*)_encoding;
return !(encoding->flag & MBFL_ENCTYPE_GL_UNSAFE);
}
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.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;
/* new encoding */
/* initialize string */
string.encoding = (const mbfl_encoding*)encoding_from;
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 */
size_t loc = mbfl_buffer_converter_feed(convd, &string);
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 zend_result php_mb_zend_encoding_list_parser(const char *encoding_list, size_t encoding_list_len, const zend_encoding ***return_list, size_t *return_size, bool persistent)
{
return php_mb_parse_encoding_list(
encoding_list, encoding_list_len,
(const mbfl_encoding ***)return_list, return_size,
persistent, /* arg_num */ 0, /* allow_pass_encoding */ 1);
}
static const zend_encoding *php_mb_zend_internal_encoding_getter(void)
{
return (const zend_encoding *)MBSTRG(internal_encoding);
}
static zend_result 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
};
/* }}} */
/* {{{ _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);
}
/* }}} */
/* {{{ 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(ZEND_VOIDP(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, /* persistent */ 1, /* arg_num */ 0, /* allow_pass_encoding */ 0) || size == 0) {
return FAILURE;
}
if (MBSTRG(detect_order_list)) {
pefree(ZEND_VOIDP(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, /* persistent */ 1, /* arg_num */ 0, /* allow_pass_encoding */ 1) || size == 0) {
return FAILURE;
}
if (MBSTRG(http_input_list)) {
pefree(ZEND_VOIDP(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 (new_value) {
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 = php_mb_get_encoding_or_pass(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 (new_value) {
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 */
if (new_value) {
php_error_docref("ref.mbstring", E_WARNING, "Unknown encoding \"%s\" in ini setting", new_value);
}
encoding = &mbfl_encoding_utf8;
}
MBSTRG(internal_encoding) = encoding;
MBSTRG(current_internal_encoding) = encoding;
#ifdef HAVE_MBREGEX
{
const char *enc_name = new_value;
if (FAILURE == php_mb_regex_set_default_mbctype(enc_name)) {
/* falls back to UTF-8 if an unknown encoding name is given */
enc_name = "UTF-8";
php_mb_regex_set_default_mbctype(enc_name);
}
php_mb_regex_set_mbctype(new_value);
}
#endif
return SUCCESS;
}
/* }}} */
/* {{{ static PHP_INI_MH(OnUpdate_mbstring_internal_encoding) */
static PHP_INI_MH(OnUpdate_mbstring_internal_encoding)
{
if (new_value) {
php_error_docref("ref.mbstring", E_DEPRECATED, "Use of mbstring.internal_encoding is deprecated");
}
if (OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage) == FAILURE) {
return FAILURE;
}
if (new_value && ZSTR_LEN(new_value)) {
MBSTRG(internal_encoding_set) = 1;
return _php_mb_ini_mbstring_internal_encoding_set(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
} else {
const char *encoding = php_get_internal_encoding();
MBSTRG(internal_encoding_set) = 0;
return _php_mb_ini_mbstring_internal_encoding_set(encoding, strlen(encoding));
}
}
/* }}} */
/* {{{ static PHP_INI_MH(OnUpdate_mbstring_substitute_character) */
static PHP_INI_MH(OnUpdate_mbstring_substitute_character)
{
int c;
char *endptr = NULL;
if (new_value != NULL) {
if (zend_string_equals_literal_ci(new_value, "none")) {
MBSTRG(filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE;
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE;
} else if (zend_string_equals_literal_ci(new_value, "long")) {
MBSTRG(filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_LONG;
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_LONG;
} else if (zend_string_equals_literal_ci(new_value, "entity")) {
MBSTRG(filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_ENTITY;
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_ENTITY;
} else {
MBSTRG(filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_CHAR;
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_CHAR;
if (ZSTR_LEN(new_value) > 0) {
c = strtol(ZSTR_VAL(new_value), &endptr, 0);
if (*endptr == '\0') {
MBSTRG(filter_illegal_substchar) = c;
MBSTRG(current_filter_illegal_substchar) = c;
}
}
}
} else {
MBSTRG(filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_CHAR;
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_CHAR;
MBSTRG(filter_illegal_substchar) = 0x3f; /* '?' */
MBSTRG(current_filter_illegal_substchar) = 0x3f; /* '?' */
}
return SUCCESS;
}
/* }}} */
/* {{{ static PHP_INI_MH(OnUpdate_mbstring_encoding_translation) */
static PHP_INI_MH(OnUpdate_mbstring_encoding_translation)
{
if (new_value == NULL) {
return FAILURE;
}
OnUpdateBool(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
if (MBSTRG(encoding_translation)) {
sapi_unregister_post_entry(php_post_entries);
sapi_register_post_entries(mbstr_post_entries);
} else {
sapi_unregister_post_entry(mbstr_post_entries);
sapi_register_post_entries(php_post_entries);
}
return SUCCESS;
}
/* }}} */
/* {{{ static PHP_INI_MH(OnUpdate_mbstring_http_output_conv_mimetypes */
static PHP_INI_MH(OnUpdate_mbstring_http_output_conv_mimetypes)
{
zend_string *tmp;
void *re = NULL;
if (!new_value) {
new_value = entry->orig_value;
}
tmp = php_trim(new_value, NULL, 0, 3);
if (ZSTR_LEN(tmp) > 0) {
if (!(re = _php_mb_compile_regex(ZSTR_VAL(tmp)))) {
zend_string_release_ex(tmp, 0);
return FAILURE;
}
}
if (MBSTRG(http_output_conv_mimetypes)) {
_php_mb_free_regex(MBSTRG(http_output_conv_mimetypes));
}
MBSTRG(http_output_conv_mimetypes) = re;
zend_string_release_ex(tmp, 0);
return SUCCESS;
}
/* }}} */
/* }}} */
/* {{{ php.ini directive registration */
PHP_INI_BEGIN()
PHP_INI_ENTRY("mbstring.language", "neutral", PHP_INI_ALL, OnUpdate_mbstring_language)
PHP_INI_ENTRY("mbstring.detect_order", NULL, PHP_INI_ALL, OnUpdate_mbstring_detect_order)
PHP_INI_ENTRY("mbstring.http_input", NULL, PHP_INI_ALL, OnUpdate_mbstring_http_input)
PHP_INI_ENTRY("mbstring.http_output", NULL, PHP_INI_ALL, OnUpdate_mbstring_http_output)
STD_PHP_INI_ENTRY("mbstring.internal_encoding", NULL, PHP_INI_ALL, OnUpdate_mbstring_internal_encoding, internal_encoding_name, zend_mbstring_globals, mbstring_globals)
PHP_INI_ENTRY("mbstring.substitute_character", NULL, PHP_INI_ALL, OnUpdate_mbstring_substitute_character)
STD_PHP_INI_BOOLEAN("mbstring.encoding_translation", "0",
PHP_INI_SYSTEM | PHP_INI_PERDIR,
OnUpdate_mbstring_encoding_translation,
encoding_translation, zend_mbstring_globals, mbstring_globals)
PHP_INI_ENTRY("mbstring.http_output_conv_mimetypes",
"^(text/|application/xhtml\\+xml)",
PHP_INI_ALL,
OnUpdate_mbstring_http_output_conv_mimetypes)
STD_PHP_INI_BOOLEAN("mbstring.strict_detection", "0",
PHP_INI_ALL,
OnUpdateBool,
strict_detection, zend_mbstring_globals, mbstring_globals)
#ifdef 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()
/* }}} */
static void mbstring_internal_encoding_changed_hook(void) {
/* One of the internal_encoding / input_encoding / output_encoding ini settings changed. */
if (!MBSTRG(internal_encoding_set)) {
const char *encoding = php_get_internal_encoding();
_php_mb_ini_mbstring_internal_encoding_set(encoding, strlen(encoding));
}
if (!MBSTRG(http_output_set)) {
const char *encoding = php_get_output_encoding();
_php_mb_ini_mbstring_http_output_set(encoding);
}
if (!MBSTRG(http_input_set)) {
const char *encoding = php_get_input_encoding();
_php_mb_ini_mbstring_http_input_set(encoding, strlen(encoding));
}
}
/* {{{ module global initialize handler */
static PHP_GINIT_FUNCTION(mbstring)
{
#if defined(COMPILE_DL_MBSTRING) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
mbstring_globals->language = mbfl_no_language_uni;
mbstring_globals->internal_encoding = NULL;
mbstring_globals->current_internal_encoding = mbstring_globals->internal_encoding;
mbstring_globals->http_output_encoding = &mbfl_encoding_pass;
mbstring_globals->current_http_output_encoding = &mbfl_encoding_pass;
mbstring_globals->http_input_identify = NULL;
mbstring_globals->http_input_identify_get = NULL;
mbstring_globals->http_input_identify_post = NULL;
mbstring_globals->http_input_identify_cookie = NULL;
mbstring_globals->http_input_identify_string = NULL;
mbstring_globals->http_input_list = NULL;
mbstring_globals->http_input_list_size = 0;
mbstring_globals->detect_order_list = NULL;
mbstring_globals->detect_order_list_size = 0;
mbstring_globals->current_detect_order_list = NULL;
mbstring_globals->current_detect_order_list_size = 0;
mbstring_globals->default_detect_order_list = (enum mbfl_no_encoding *) php_mb_default_identify_list_neut;
mbstring_globals->default_detect_order_list_size = sizeof(php_mb_default_identify_list_neut) / sizeof(php_mb_default_identify_list_neut[0]);
mbstring_globals->filter_illegal_mode = MBFL_OUTPUTFILTER_ILLEGAL_MODE_CHAR;
mbstring_globals->filter_illegal_substchar = 0x3f; /* '?' */
mbstring_globals->current_filter_illegal_mode = MBFL_OUTPUTFILTER_ILLEGAL_MODE_CHAR;
mbstring_globals->current_filter_illegal_substchar = 0x3f; /* '?' */
mbstring_globals->illegalchars = 0;
mbstring_globals->encoding_translation = 0;
mbstring_globals->strict_detection = 0;
mbstring_globals->outconv = NULL;
mbstring_globals->http_output_conv_mimetypes = NULL;
#ifdef HAVE_MBREGEX
mbstring_globals->mb_regex_globals = php_mb_regex_globals_alloc();
#endif
mbstring_globals->last_used_encoding_name = NULL;
mbstring_globals->last_used_encoding = NULL;
mbstring_globals->internal_encoding_set = 0;
mbstring_globals->http_output_set = 0;
mbstring_globals->http_input_set = 0;
}
/* }}} */
/* {{{ PHP_GSHUTDOWN_FUNCTION */
static PHP_GSHUTDOWN_FUNCTION(mbstring)
{
if (mbstring_globals->http_input_list) {
free(ZEND_VOIDP(mbstring_globals->http_input_list));
}
if (mbstring_globals->detect_order_list) {
free(ZEND_VOIDP(mbstring_globals->detect_order_list));
}
if (mbstring_globals->http_output_conv_mimetypes) {
_php_mb_free_regex(mbstring_globals->http_output_conv_mimetypes);
}
#ifdef HAVE_MBREGEX
php_mb_regex_globals_free(mbstring_globals->mb_regex_globals);
#endif
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION(mbstring) */
PHP_MINIT_FUNCTION(mbstring)
{
#if defined(COMPILE_DL_MBSTRING) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
REGISTER_INI_ENTRIES();
/* We assume that we're the only user of the hook. */
ZEND_ASSERT(php_internal_encoding_changed == NULL);
php_internal_encoding_changed = mbstring_internal_encoding_changed_hook;
mbstring_internal_encoding_changed_hook();
/* This is a global handler. Should not be set in a per-request handler. */
sapi_register_treat_data(mbstr_treat_data);
/* Post handlers are stored in the thread-local context. */
if (MBSTRG(encoding_translation)) {
sapi_register_post_entries(mbstr_post_entries);
}
REGISTER_LONG_CONSTANT("MB_CASE_UPPER", PHP_UNICODE_CASE_UPPER, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MB_CASE_LOWER", PHP_UNICODE_CASE_LOWER, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MB_CASE_TITLE", PHP_UNICODE_CASE_TITLE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MB_CASE_FOLD", PHP_UNICODE_CASE_FOLD, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MB_CASE_UPPER_SIMPLE", PHP_UNICODE_CASE_UPPER_SIMPLE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MB_CASE_LOWER_SIMPLE", PHP_UNICODE_CASE_LOWER_SIMPLE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MB_CASE_TITLE_SIMPLE", PHP_UNICODE_CASE_TITLE_SIMPLE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MB_CASE_FOLD_SIMPLE", PHP_UNICODE_CASE_FOLD_SIMPLE, CONST_CS | CONST_PERSISTENT);
#ifdef HAVE_MBREGEX
PHP_MINIT(mb_regex) (INIT_FUNC_ARGS_PASSTHRU);
#endif
if (FAILURE == zend_multibyte_set_functions(&php_mb_zend_multibyte_functions)) {
return FAILURE;
}
php_rfc1867_set_multibyte_callbacks(
php_mb_encoding_translation,
php_mb_gpc_get_detect_order,
php_mb_gpc_set_input_encoding,
php_mb_rfc1867_getword,
php_mb_rfc1867_getword_conf,
php_mb_rfc1867_basename);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION(mbstring) */
PHP_MSHUTDOWN_FUNCTION(mbstring)
{
UNREGISTER_INI_ENTRIES();
zend_multibyte_restore_functions();
#ifdef HAVE_MBREGEX
PHP_MSHUTDOWN(mb_regex) (INIT_FUNC_ARGS_PASSTHRU);
#endif
php_internal_encoding_changed = NULL;
return SUCCESS;
}
/* }}} */
/* {{{ PHP_RINIT_FUNCTION(mbstring) */
PHP_RINIT_FUNCTION(mbstring)
{
MBSTRG(current_internal_encoding) = MBSTRG(internal_encoding);
MBSTRG(current_http_output_encoding) = MBSTRG(http_output_encoding);
MBSTRG(current_filter_illegal_mode) = MBSTRG(filter_illegal_mode);
MBSTRG(current_filter_illegal_substchar) = MBSTRG(filter_illegal_substchar);
MBSTRG(illegalchars) = 0;
php_mb_populate_current_detect_order_list();
#ifdef HAVE_MBREGEX
PHP_RINIT(mb_regex) (INIT_FUNC_ARGS_PASSTHRU);
#endif
zend_multibyte_set_internal_encoding((const zend_encoding *)MBSTRG(internal_encoding));
return SUCCESS;
}
/* }}} */
/* {{{ PHP_RSHUTDOWN_FUNCTION(mbstring) */
PHP_RSHUTDOWN_FUNCTION(mbstring)
{
if (MBSTRG(current_detect_order_list) != NULL) {
efree(ZEND_VOIDP(MBSTRG(current_detect_order_list)));
MBSTRG(current_detect_order_list) = NULL;
MBSTRG(current_detect_order_list_size) = 0;
}
if (MBSTRG(outconv) != NULL) {
MBSTRG(illegalchars) += mbfl_buffer_illegalchars(MBSTRG(outconv));
mbfl_buffer_converter_delete(MBSTRG(outconv));
MBSTRG(outconv) = NULL;
}
/* clear http input identification. */
MBSTRG(http_input_identify) = NULL;
MBSTRG(http_input_identify_post) = NULL;
MBSTRG(http_input_identify_get) = NULL;
MBSTRG(http_input_identify_cookie) = NULL;
MBSTRG(http_input_identify_string) = NULL;
if (MBSTRG(last_used_encoding_name)) {
zend_string_release(MBSTRG(last_used_encoding_name));
MBSTRG(last_used_encoding_name) = NULL;
}
MBSTRG(internal_encoding_set) = 0;
MBSTRG(http_output_set) = 0;
MBSTRG(http_input_set) = 0;
#ifdef HAVE_MBREGEX
PHP_RSHUTDOWN(mb_regex) (INIT_FUNC_ARGS_PASSTHRU);
#endif
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION(mbstring) */
PHP_MINFO_FUNCTION(mbstring)
{
php_info_print_table_start();
php_info_print_table_row(2, "Multibyte Support", "enabled");
php_info_print_table_row(2, "Multibyte string engine", "libmbfl");
php_info_print_table_row(2, "HTTP input encoding translation", MBSTRG(encoding_translation) ? "enabled": "disabled");
{
char tmp[256];
snprintf(tmp, sizeof(tmp), "%d.%d.%d", MBFL_VERSION_MAJOR, MBFL_VERSION_MINOR, MBFL_VERSION_TEENY);
php_info_print_table_row(2, "libmbfl version", tmp);
}
php_info_print_table_end();
php_info_print_table_start();
php_info_print_table_header(1, "mbstring extension makes use of \"streamable kanji code filter and converter\", which is distributed under the GNU Lesser General Public License version 2.1.");
php_info_print_table_end();
#ifdef HAVE_MBREGEX
PHP_MINFO(mb_regex)(ZEND_MODULE_INFO_FUNC_ARGS_PASSTHRU);
#endif
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ Sets the current language or Returns the current language as a string */
PHP_FUNCTION(mb_language)
{
zend_string *name = NULL;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(name)
ZEND_PARSE_PARAMETERS_END();
if (name == NULL) {
RETVAL_STRING((char *)mbfl_no_language2name(MBSTRG(language)));
} else {
zend_string *ini_name = zend_string_init("mbstring.language", sizeof("mbstring.language") - 1, 0);
if (FAILURE == zend_alter_ini_entry(ini_name, name, PHP_INI_USER, PHP_INI_STAGE_RUNTIME)) {
zend_argument_value_error(1, "must be a valid language, \"%s\" given", ZSTR_VAL(name));
zend_string_release_ex(ini_name, 0);
RETURN_THROWS();
}
// TODO Make return void
RETVAL_TRUE;
zend_string_release_ex(ini_name, 0);
}
}
/* }}} */
/* {{{ Sets the current internal encoding or Returns the current internal encoding as a string */
PHP_FUNCTION(mb_internal_encoding)
{
char *name = NULL;
size_t name_len;
const mbfl_encoding *encoding;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_STRING_OR_NULL(name, name_len)
ZEND_PARSE_PARAMETERS_END();
if (name == NULL) {
ZEND_ASSERT(MBSTRG(current_internal_encoding));
RETURN_STRING(MBSTRG(current_internal_encoding)->name);
} else {
encoding = mbfl_name2encoding(name);
if (!encoding) {
zend_argument_value_error(1, "must be a valid encoding, \"%s\" given", name);
RETURN_THROWS();
} else {
MBSTRG(current_internal_encoding) = encoding;
MBSTRG(internal_encoding_set) = 1;
/* TODO Return old encoding */
RETURN_TRUE;
}
}
}
/* }}} */
/* {{{ Returns the input encoding */
PHP_FUNCTION(mb_http_input)
{
char *type = NULL;
size_t type_len = 0, n;
const mbfl_encoding **entry;
const mbfl_encoding *encoding;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_STRING_OR_NULL(type, type_len)
ZEND_PARSE_PARAMETERS_END();
if (type == NULL) {
encoding = MBSTRG(http_input_identify);
} else {
switch (*type) {
case 'G':
case 'g':
encoding = MBSTRG(http_input_identify_get);
break;
case 'P':
case 'p':
encoding = MBSTRG(http_input_identify_post);
break;
case 'C':
case 'c':
encoding = MBSTRG(http_input_identify_cookie);
break;
case 'S':
case 's':
encoding = MBSTRG(http_input_identify_string);
break;
case 'I':
case 'i':
entry = MBSTRG(http_input_list);
n = MBSTRG(http_input_list_size);
array_init(return_value);
for (size_t i = 0; i < n; i++, entry++) {
add_next_index_string(return_value, (*entry)->name);
}
return;
case 'L':
case 'l':
entry = MBSTRG(http_input_list);
n = MBSTRG(http_input_list_size);
if (n == 0) {
// TODO should return empty string?
RETURN_FALSE;
}
// TODO Use smart_str instead.
mbfl_string result;
mbfl_memory_device device;
mbfl_memory_device_init(&device, n * 12, 0);
for (size_t i = 0; i < n; i++, entry++) {
mbfl_memory_device_strcat(&device, (*entry)->name);
mbfl_memory_device_output(',', &device);
}
mbfl_memory_device_unput(&device); /* Remove trailing comma */
mbfl_memory_device_result(&device, &result);
RETVAL_STRINGL((const char*)result.val, result.len);
mbfl_string_clear(&result);
return;
default:
zend_argument_value_error(1,
"must be one of \"G\", \"P\", \"C\", \"S\", \"I\", or \"L\"");
RETURN_THROWS();
}
}
if (encoding) {
RETURN_STRING(encoding->name);
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ Sets the current output_encoding or returns the current output_encoding as a string */
PHP_FUNCTION(mb_http_output)
{
char *name = NULL;
size_t name_len;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_STRING_OR_NULL(name, name_len)
ZEND_PARSE_PARAMETERS_END();
if (name == NULL) {
ZEND_ASSERT(MBSTRG(current_http_output_encoding));
RETURN_STRING(MBSTRG(current_http_output_encoding)->name);
} else {
const mbfl_encoding *encoding = php_mb_get_encoding_or_pass(name);
if (!encoding) {
zend_argument_value_error(1, "must be a valid encoding, \"%s\" given", name);
RETURN_THROWS();
} else {
MBSTRG(http_output_set) = 1;
MBSTRG(current_http_output_encoding) = encoding;
/* TODO Return previous encoding? */
RETURN_TRUE;
}
}
}
/* }}} */
/* {{{ Sets the current detect_order or Return the current detect_order as a array */
PHP_FUNCTION(mb_detect_order)
{
zend_string *order_str = NULL;
HashTable *order_ht = NULL;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_ARRAY_HT_OR_STR_OR_NULL(order_ht, order_str)
ZEND_PARSE_PARAMETERS_END();
if (!order_str && !order_ht) {
size_t n = MBSTRG(current_detect_order_list_size);
const mbfl_encoding **entry = MBSTRG(current_detect_order_list);
array_init(return_value);
for (size_t i = 0; i < n; i++) {
add_next_index_string(return_value, (*entry)->name);
entry++;
}
} else {
const mbfl_encoding **list;
size_t size;
if (order_ht) {
if (FAILURE == php_mb_parse_encoding_array(order_ht, &list, &size, 1)) {
RETURN_THROWS();
}
} else {
if (FAILURE == php_mb_parse_encoding_list(ZSTR_VAL(order_str), ZSTR_LEN(order_str), &list, &size, /* persistent */ 0, /* arg_num */ 1, /* allow_pass_encoding */ 0)) {
RETURN_THROWS();
}
}
if (size == 0) {
efree(ZEND_VOIDP(list));
zend_argument_value_error(1, "must specify at least one encoding");
RETURN_THROWS();
}
if (MBSTRG(current_detect_order_list)) {
efree(ZEND_VOIDP(MBSTRG(current_detect_order_list)));
}
MBSTRG(current_detect_order_list) = list;
MBSTRG(current_detect_order_list_size) = size;
RETURN_TRUE;
}
}
/* }}} */
static inline int php_mb_check_code_point(zend_long cp)
{
if (cp < 0 || cp >= 0x110000) {
/* Out of Unicode range */
return 0;
}
if (cp >= 0xd800 && cp <= 0xdfff) {
/* Surrogate code-point. These are never valid on their own and we only allow a single
* substitute character. */
return 0;
}
/* As we do not know the target encoding of the conversion operation that is going to
* use the substitution character, we cannot check whether the codepoint is actually mapped
* in the given encoding at this point. Thus we have to accept everything. */
return 1;
}
/* {{{ Sets the current substitute_character or returns the current substitute_character */
PHP_FUNCTION(mb_substitute_character)
{
zend_string *substitute_character = NULL;
zend_long substitute_codepoint;
bool substitute_is_null = 1;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_LONG_OR_NULL(substitute_character, substitute_codepoint, substitute_is_null)
ZEND_PARSE_PARAMETERS_END();
if (substitute_is_null) {
if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
RETURN_STRING("none");
}
if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_LONG) {
RETURN_STRING("long");
}
if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_ENTITY) {
RETURN_STRING("entity");
}
RETURN_LONG(MBSTRG(current_filter_illegal_substchar));
}
if (substitute_character != NULL) {
if (zend_string_equals_literal_ci(substitute_character, "none")) {
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE;
RETURN_TRUE;
}
if (zend_string_equals_literal_ci(substitute_character, "long")) {
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_LONG;
RETURN_TRUE;
}
if (zend_string_equals_literal_ci(substitute_character, "entity")) {
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_ENTITY;
RETURN_TRUE;
}
/* Invalid string value */
zend_argument_value_error(1, "must be \"none\", \"long\", \"entity\" or a valid codepoint");
RETURN_THROWS();
}
/* Integer codepoint passed */
if (!php_mb_check_code_point(substitute_codepoint)) {
zend_argument_value_error(1, "is not a valid codepoint");
RETURN_THROWS();
}
MBSTRG(current_filter_illegal_mode) = MBFL_OUTPUTFILTER_ILLEGAL_MODE_CHAR;
MBSTRG(current_filter_illegal_substchar) = substitute_codepoint;
RETURN_TRUE;
}
/* }}} */
/* {{{ Return the preferred MIME name (charset) as a string */
PHP_FUNCTION(mb_preferred_mime_name)
{
enum mbfl_no_encoding no_encoding;
char *name = NULL;
size_t name_len;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_STRING(name, name_len)
ZEND_PARSE_PARAMETERS_END();
no_encoding = mbfl_name2no_encoding(name);
if (no_encoding == mbfl_no_encoding_invalid) {
zend_argument_value_error(1, "must be a valid encoding, \"%s\" given", name);
RETURN_THROWS();
}
const char *preferred_name = mbfl_no2preferred_mime_name(no_encoding);
if (preferred_name == NULL || *preferred_name == '\0') {
php_error_docref(NULL, E_WARNING, "No MIME preferred name corresponding to \"%s\"", name);
RETVAL_FALSE;
} else {
RETVAL_STRING((char *)preferred_name);
}
}
/* }}} */
/* {{{ Parses GET/POST/COOKIE data and sets global variables */
PHP_FUNCTION(mb_parse_str)
{
zval *track_vars_array = NULL;
char *encstr;
size_t encstr_len;
php_mb_encoding_handler_info_t info;
const mbfl_encoding *detected;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_STRING(encstr, encstr_len)
Z_PARAM_ZVAL(track_vars_array)
ZEND_PARSE_PARAMETERS_END();
track_vars_array = zend_try_array_init(track_vars_array);
if (!track_vars_array) {
RETURN_THROWS();
}
encstr = estrndup(encstr, encstr_len);
info.data_type = PARSE_STRING;
info.separator = PG(arg_separator).input;
info.report_errors = 1;
info.to_encoding = MBSTRG(current_internal_encoding);
info.to_language = MBSTRG(language);
info.from_encodings = MBSTRG(http_input_list);
info.num_from_encodings = MBSTRG(http_input_list_size);
info.from_language = MBSTRG(language);
detected = _php_mb_encoding_handler_ex(&info, track_vars_array, encstr);
MBSTRG(http_input_identify) = detected;
RETVAL_BOOL(detected);
if (encstr != NULL) efree(encstr);
}
/* }}} */
/* {{{ Returns string in output buffer converted to the http_output encoding */
PHP_FUNCTION(mb_output_handler)
{
char *arg_string;
size_t arg_string_len;
zend_long arg_status;
mbfl_string string, result;
const char *charset;
char *p;
const mbfl_encoding *encoding;
int last_feed;
size_t len;
unsigned char send_text_mimetype = 0;
char *s, *mimetype = NULL;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_STRING(arg_string, arg_string_len)
Z_PARAM_LONG(arg_status)
ZEND_PARSE_PARAMETERS_END();
encoding = MBSTRG(current_http_output_encoding);
/* start phase only */
if ((arg_status & PHP_OUTPUT_HANDLER_START) != 0) {
/* delete the converter just in case. */
if (MBSTRG(outconv)) {
MBSTRG(illegalchars) += mbfl_buffer_illegalchars(MBSTRG(outconv));
mbfl_buffer_converter_delete(MBSTRG(outconv));
MBSTRG(outconv) = NULL;
}
if (encoding == &mbfl_encoding_pass) {
RETURN_STRINGL(arg_string, arg_string_len);
}
/* analyze mime type */
if (SG(sapi_headers).mimetype &&
_php_mb_match_regex(
MBSTRG(http_output_conv_mimetypes),
SG(sapi_headers).mimetype,
strlen(SG(sapi_headers).mimetype))) {
if ((s = strchr(SG(sapi_headers).mimetype,';')) == NULL) {
mimetype = estrdup(SG(sapi_headers).mimetype);
} else {
mimetype = estrndup(SG(sapi_headers).mimetype,s-SG(sapi_headers).mimetype);
}
send_text_mimetype = 1;
} else if (SG(sapi_headers).send_default_content_type) {
mimetype = SG(default_mimetype) ? SG(default_mimetype) : SAPI_DEFAULT_MIMETYPE;
}
/* if content-type is not yet set, set it and activate the converter */
if (SG(sapi_headers).send_default_content_type || send_text_mimetype) {
charset = encoding->mime_name;
if (charset) {
len = spprintf( &p, 0, "Content-Type: %s; charset=%s", mimetype, charset );
if (sapi_add_header(p, len, 0) != FAILURE) {
SG(sapi_headers).send_default_content_type = 0;
}
}
/* activate the converter */
MBSTRG(outconv) = mbfl_buffer_converter_new(MBSTRG(current_internal_encoding), encoding, 0);
if (send_text_mimetype){
efree(mimetype);
}
}
}
/* just return if the converter is not activated. */
if (MBSTRG(outconv) == NULL) {
RETURN_STRINGL(arg_string, arg_string_len);
}
/* flag */
last_feed = ((arg_status & PHP_OUTPUT_HANDLER_END) != 0);
/* mode */
mbfl_buffer_converter_illegal_mode(MBSTRG(outconv), MBSTRG(current_filter_illegal_mode));
mbfl_buffer_converter_illegal_substchar(MBSTRG(outconv), MBSTRG(current_filter_illegal_substchar));
/* feed the string */
mbfl_string_init(&string);
/* these are not needed. convd has encoding info.
string.encoding = MBSTRG(current_internal_encoding);
*/
string.val = (unsigned char *)arg_string;
string.len = arg_string_len;
mbfl_buffer_converter_feed(MBSTRG(outconv), &string);
if (last_feed) {
mbfl_buffer_converter_flush(MBSTRG(outconv));
}
/* get the converter output, and return it */
mbfl_buffer_converter_result(MBSTRG(outconv), &result);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)result.val, result.len); /* the string is already strdup()'ed */
efree(result.val);
/* delete the converter if it is the last feed. */
if (last_feed) {
MBSTRG(illegalchars) += mbfl_buffer_illegalchars(MBSTRG(outconv));
mbfl_buffer_converter_delete(MBSTRG(outconv));
MBSTRG(outconv) = NULL;
}
}
/* }}} */
/* {{{ Convert a multibyte string to an array. If split_length is specified,
break the string down into chunks each split_length characters long. */
/* structure to pass split params to the callback */
struct mbfl_split_params {
zval *return_value; /* php function return value structure pointer */
mbfl_string *result_string; /* string to store result chunk */
size_t mb_chunk_length; /* actual chunk length in chars */
size_t split_length; /* split length in chars */
mbfl_convert_filter *next_filter; /* widechar to encoding converter */
};
/* callback function to fill split array */
static int mbfl_split_output(int c, void *data)
{
struct mbfl_split_params *params = (struct mbfl_split_params *)data; /* cast passed data */
(*params->next_filter->filter_function)(c, params->next_filter); /* decoder filter */
if (params->split_length == ++params->mb_chunk_length) { /* if current chunk size reached defined chunk size or last char reached */
mbfl_convert_filter_flush(params->next_filter);/* concatenate separate decoded chars to the solid string */
mbfl_memory_device *device = (mbfl_memory_device *)params->next_filter->data; /* chars container */
mbfl_string *chunk = params->result_string;
mbfl_memory_device_result(device, chunk); /* make chunk */
add_next_index_stringl(params->return_value, (const char *)chunk->val, chunk->len); /* add chunk to the array */
efree(chunk->val);
params->mb_chunk_length = 0; /* reset mb_chunk size */
}
return 0;
}
PHP_FUNCTION(mb_str_split)
{
zend_string *str, *encoding = NULL;
size_t mb_len, chunks, chunk_len;
const char *p, *last; /* pointer for the string cursor and last string char */
mbfl_string string, result_string;
const mbfl_encoding *mbfl_encoding;
zend_long split_length = 1;
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_STR(str)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(split_length)
Z_PARAM_STR_OR_NULL(encoding)
ZEND_PARSE_PARAMETERS_END();
if (split_length <= 0) {
zend_argument_value_error(2, "must be greater than 0");
RETURN_THROWS();
}
/* fill mbfl_string structure */
string.val = (unsigned char *) ZSTR_VAL(str);
string.len = ZSTR_LEN(str);
string.encoding = php_mb_get_encoding(encoding, 3);
if (!string.encoding) {
RETURN_THROWS();
}
p = ZSTR_VAL(str); /* string cursor pointer */
last = ZSTR_VAL(str) + ZSTR_LEN(str); /* last string char pointer */
mbfl_encoding = string.encoding;
/* first scenario: 1,2,4-bytes fixed width encodings (head part) */
if (mbfl_encoding->flag & MBFL_ENCTYPE_SBCS) { /* 1 byte */
mb_len = string.len;
chunk_len = (size_t)split_length; /* chunk length in bytes */
} else if (mbfl_encoding->flag & MBFL_ENCTYPE_WCS2) { /* 2 bytes */
mb_len = string.len / 2;
chunk_len = split_length * 2;
} else if (mbfl_encoding->flag & MBFL_ENCTYPE_WCS4) { /* 4 bytes */
mb_len = string.len / 4;
chunk_len = split_length * 4;
} else if (mbfl_encoding->mblen_table != NULL) {
/* second scenario: variable width encodings with length table */
char unsigned const *mbtab = mbfl_encoding->mblen_table;
/* assume that we have 1-bytes characters */
array_init_size(return_value, (string.len + split_length) / split_length); /* round up */
while (p < last) { /* split cycle work until the cursor has reached the last byte */
char const *chunk_p = p; /* chunk first byte pointer */
chunk_len = 0; /* chunk length in bytes */
zend_long char_count;
for (char_count = 0; char_count < split_length && p < last; ++char_count) {
char unsigned const m = mbtab[*(const unsigned char *)p]; /* single character length table */
chunk_len += m;
p += m;
}
if (p >= last) chunk_len -= p - last; /* check if chunk is in bounds */
add_next_index_stringl(return_value, chunk_p, chunk_len);
}
return;
} else {
/* third scenario: other multibyte encodings */
mbfl_convert_filter *filter, *decoder;
/* assume that we have 1-bytes characters */
array_init_size(return_value, (string.len + split_length) / split_length); /* round up */
/* decoder filter to decode wchar to encoding */
mbfl_memory_device device;
mbfl_memory_device_init(&device, split_length + 1, 0);
decoder = mbfl_convert_filter_new(
&mbfl_encoding_wchar,
string.encoding,
mbfl_memory_device_output,
NULL,
&device);
/* assert that nothing is wrong with the decoder */
ZEND_ASSERT(decoder != NULL);
/* wchar filter */
mbfl_string_init(&result_string); /* mbfl_string to store chunk in the callback */
struct mbfl_split_params params = { /* init callback function params structure */
.return_value = return_value,
.result_string = &result_string,
.mb_chunk_length = 0,
.split_length = (size_t)split_length,
.next_filter = decoder,
};
filter = mbfl_convert_filter_new(
string.encoding,
&mbfl_encoding_wchar,
mbfl_split_output,
NULL,
&params);
/* assert that nothing is wrong with the filter */
ZEND_ASSERT(filter != NULL);
while (p < last - 1) { /* cycle each byte except last with callback function */
(*filter->filter_function)(*p++, filter);
}
params.mb_chunk_length = split_length - 1; /* force to finish current chunk */
(*filter->filter_function)(*p++, filter); /* process last char */
mbfl_convert_filter_delete(decoder);
mbfl_convert_filter_delete(filter);
mbfl_memory_device_clear(&device);
return;
}
/* first scenario: 1,2,4-bytes fixed width encodings (tail part) */
chunks = (mb_len + split_length - 1) / split_length; /* (round up idiom) */
array_init_size(return_value, chunks);
if (chunks != 0) {
zend_long i;
for (i = 0; i < chunks - 1; p += chunk_len, ++i) {
add_next_index_stringl(return_value, p, chunk_len);
}
add_next_index_stringl(return_value, p, last - p);
}
}
/* }}} */
/* {{{ Get character numbers of a string */
PHP_FUNCTION(mb_strlen)
{
mbfl_string string;
char *str;
zend_string *enc_name = NULL;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_STRING(str, string.len)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(enc_name)
ZEND_PARSE_PARAMETERS_END();
string.val = (unsigned char*)str;
string.encoding = php_mb_get_encoding(enc_name, 2);
if (!string.encoding) {
RETURN_THROWS();
}
size_t n = mbfl_strlen(&string);
/* Only way this can fail is if the conversion creation fails
* this would imply some sort of memory allocation failure which is a bug */
ZEND_ASSERT(!mbfl_is_error(n));
RETVAL_LONG(n);
}
/* }}} */
static void handle_strpos_error(size_t error) {
switch (error) {
case MBFL_ERROR_NOT_FOUND:
break;
case MBFL_ERROR_ENCODING:
php_error_docref(NULL, E_WARNING, "Conversion error");
break;
case MBFL_ERROR_OFFSET:
zend_argument_value_error(3, "must be contained in argument #1 ($haystack)");
break;
default:
zend_value_error("mb_strpos(): Unknown error");
break;
}
}
/* {{{ Find position of first occurrence of a string within another */
PHP_FUNCTION(mb_strpos)
{
int reverse = 0;
zend_long offset = 0;
char *haystack_val, *needle_val;
mbfl_string haystack, needle;
zend_string *enc_name = NULL;
ZEND_PARSE_PARAMETERS_START(2, 4)
Z_PARAM_STRING(haystack_val, haystack.len)
Z_PARAM_STRING(needle_val, needle.len)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(offset)
Z_PARAM_STR_OR_NULL(enc_name)
ZEND_PARSE_PARAMETERS_END();
haystack.val = (unsigned char*)haystack_val;
needle.val = (unsigned char*)needle_val;
haystack.encoding = needle.encoding = php_mb_get_encoding(enc_name, 4);
if (!haystack.encoding) {
RETURN_THROWS();
}
size_t n = mbfl_strpos(&haystack, &needle, offset, reverse);
if (!mbfl_is_error(n)) {
RETVAL_LONG(n);
} else {
handle_strpos_error(n);
RETVAL_FALSE;
}
}
/* }}} */
/* {{{ Find position of last occurrence of a string within another */
PHP_FUNCTION(mb_strrpos)
{
mbfl_string haystack, needle;
char *haystack_val, *needle_val;
zend_string *enc_name = NULL;
zend_long offset = 0;
ZEND_PARSE_PARAMETERS_START(2, 4)
Z_PARAM_STRING(haystack_val, haystack.len)
Z_PARAM_STRING(needle_val, needle.len)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(offset)
Z_PARAM_STR_OR_NULL(enc_name)
ZEND_PARSE_PARAMETERS_END();
haystack.val = (unsigned char*)haystack_val;
needle.val = (unsigned char*)needle_val;
haystack.encoding = needle.encoding = php_mb_get_encoding(enc_name, 4);
if (!haystack.encoding) {
RETURN_THROWS();
}
size_t n = mbfl_strpos(&haystack, &needle, offset, 1);
if (!mbfl_is_error(n)) {
RETVAL_LONG(n);
} else {
handle_strpos_error(n);
RETVAL_FALSE;
}
}
/* }}} */
/* {{{ Finds position of first occurrence of a string within another, case insensitive */
PHP_FUNCTION(mb_stripos)
{
zend_long offset = 0;
mbfl_string haystack, needle;
char *haystack_val, *needle_val;
zend_string *from_encoding = NULL;
ZEND_PARSE_PARAMETERS_START(2, 4)
Z_PARAM_STRING(haystack_val, haystack.len)
Z_PARAM_STRING(needle_val, needle.len)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(offset)
Z_PARAM_STR_OR_NULL(from_encoding)
ZEND_PARSE_PARAMETERS_END();
haystack.val = (unsigned char*)haystack_val;
needle.val = (unsigned char*)needle_val;
const mbfl_encoding *enc = php_mb_get_encoding(from_encoding, 4);
if (!enc) {
RETURN_THROWS();
}
size_t n = php_mb_stripos(0, (char *)haystack.val, haystack.len, (char *)needle.val, needle.len, offset, enc);
if (!mbfl_is_error(n)) {
RETVAL_LONG(n);
} else {
handle_strpos_error(n);
RETVAL_FALSE;
}
}
/* }}} */
/* {{{ Finds position of last occurrence of a string within another, case insensitive */
PHP_FUNCTION(mb_strripos)
{
zend_long offset = 0;
mbfl_string haystack, needle;
char *haystack_val, *needle_val;
zend_string *from_encoding = NULL;
ZEND_PARSE_PARAMETERS_START(2, 4)
Z_PARAM_STRING(haystack_val, haystack.len)
Z_PARAM_STRING(needle_val, needle.len)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(offset)
Z_PARAM_STR_OR_NULL(from_encoding)
ZEND_PARSE_PARAMETERS_END();
haystack.val = (unsigned char*)haystack_val;
needle.val = (unsigned char*)needle_val;
const mbfl_encoding *enc = php_mb_get_encoding(from_encoding, 4);
if (!enc) {
RETURN_THROWS();
}
size_t n = php_mb_stripos(1, (char *)haystack.val, haystack.len, (char *)needle.val, needle.len, offset, enc);
if (!mbfl_is_error(n)) {
RETVAL_LONG(n);
} else {
handle_strpos_error(n);
RETVAL_FALSE;
}
}
/* }}} */
#define MB_STRSTR 1
#define MB_STRRCHR 2
#define MB_STRISTR 3
#define MB_STRRICHR 4
/* {{{ php_mb_strstr_variants */
static void php_mb_strstr_variants(INTERNAL_FUNCTION_PARAMETERS, unsigned int variant)
{
int reverse_mode = 0;
size_t n;
char *haystack_val, *needle_val;
mbfl_string haystack, needle, result, *ret = NULL;
zend_string *encoding_name = NULL;
bool part = 0;
ZEND_PARSE_PARAMETERS_START(2, 4)
Z_PARAM_STRING(haystack_val, haystack.len)
Z_PARAM_STRING(needle_val, needle.len)
Z_PARAM_OPTIONAL
Z_PARAM_BOOL(part)
Z_PARAM_STR_OR_NULL(encoding_name)
ZEND_PARSE_PARAMETERS_END();
haystack.val = (unsigned char*)haystack_val;
needle.val = (unsigned char*)needle_val;
haystack.encoding = needle.encoding = php_mb_get_encoding(encoding_name, 4);
if (!haystack.encoding) {
RETURN_THROWS();
}
if (variant == MB_STRRCHR || variant == MB_STRRICHR) { reverse_mode = 1; }
if (variant == MB_STRISTR || variant == MB_STRRICHR) {
n = php_mb_stripos(reverse_mode, (char *)haystack.val, haystack.len, (char *)needle.val,
needle.len, 0, needle.encoding);
} else {
n = mbfl_strpos(&haystack, &needle, 0, reverse_mode);
}
if (!mbfl_is_error(n)) {
if (part) {
ret = mbfl_substr(&haystack, &result, 0, n);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len);
efree(ret->val);
} else {
ret = mbfl_substr(&haystack, &result, n, MBFL_SUBSTR_UNTIL_END);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len);
efree(ret->val);
}
} else {
// FIXME use handle_strpos_error(n)
RETVAL_FALSE;
}
}
/* {{{ Finds first occurrence of a string within another */
PHP_FUNCTION(mb_strstr)
{
php_mb_strstr_variants(INTERNAL_FUNCTION_PARAM_PASSTHRU, MB_STRSTR);
}
/* }}} */
/* {{{ Finds the last occurrence of a character in a string within another */
PHP_FUNCTION(mb_strrchr)
{
php_mb_strstr_variants(INTERNAL_FUNCTION_PARAM_PASSTHRU, MB_STRRCHR);
}
/* }}} */
/* {{{ Finds first occurrence of a string within another, case insensitive */
PHP_FUNCTION(mb_stristr)
{
php_mb_strstr_variants(INTERNAL_FUNCTION_PARAM_PASSTHRU, MB_STRISTR);
}
/* }}} */
/* {{{ Finds the last occurrence of a character in a string within another, case insensitive */
PHP_FUNCTION(mb_strrichr)
{
php_mb_strstr_variants(INTERNAL_FUNCTION_PARAM_PASSTHRU, MB_STRRICHR);
}
/* }}} */
#undef MB_STRSTR
#undef MB_STRRCHR
#undef MB_STRISTR
#undef MB_STRRICHR
/* {{{ Count the number of substring occurrences */
PHP_FUNCTION(mb_substr_count)
{
mbfl_string haystack, needle;
char *haystack_val, *needle_val;
zend_string *enc_name = NULL;
ZEND_PARSE_PARAMETERS_START(2, 3)
Z_PARAM_STRING(haystack_val, haystack.len)
Z_PARAM_STRING(needle_val, needle.len)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(enc_name)
ZEND_PARSE_PARAMETERS_END();
haystack.val = (unsigned char*)haystack_val;
needle.val = (unsigned char*)needle_val;
if (needle.len == 0) {
zend_argument_value_error(2, "must not be empty");
RETURN_THROWS();
}
haystack.encoding = needle.encoding = php_mb_get_encoding(enc_name, 3);
if (!haystack.encoding) {
RETURN_THROWS();
}
size_t n = mbfl_substr_count(&haystack, &needle);
/* An error can only occur if needle is empty,
* an encoding error happens (which should not happen at this stage and is a bug)
* or the haystack is more than sizeof(size_t) bytes
* If one of these things occur this is a bug and should be flagged as such */
ZEND_ASSERT(!mbfl_is_error(n));
RETVAL_LONG(n);
}
/* }}} */
/* {{{ Returns part of a string */
PHP_FUNCTION(mb_substr)
{
char *str;
zend_string *encoding = NULL;
zend_long from, len;
size_t real_from, real_len;
size_t str_len;
bool len_is_null = 1;
mbfl_string string, result, *ret;
ZEND_PARSE_PARAMETERS_START(2, 4)
Z_PARAM_STRING(str, str_len)
Z_PARAM_LONG(from)
Z_PARAM_OPTIONAL
Z_PARAM_LONG_OR_NULL(len, len_is_null)
Z_PARAM_STR_OR_NULL(encoding)
ZEND_PARSE_PARAMETERS_END();
string.encoding = php_mb_get_encoding(encoding, 4);
if (!string.encoding) {
RETURN_THROWS();
}
string.val = (unsigned char *)str;
string.len = str_len;
/* measures length */
size_t mblen = 0;
if (from < 0 || (!len_is_null && len < 0)) {
mblen = mbfl_strlen(&string);
}
/* if "from" position is negative, count start position from the end
* of the string
*/
if (from >= 0) {
real_from = (size_t) from;
} else if (-from < mblen) {
real_from = mblen + from;
} else {
real_from = 0;
}
/* if "length" position is negative, set it to the length
* needed to stop that many chars from the end of the string
*/
if (len_is_null) {
real_len = MBFL_SUBSTR_UNTIL_END;
} else if (len >= 0) {
real_len = (size_t) len;
} else if (real_from < mblen && -len < mblen - real_from) {
real_len = (mblen - real_from) + len;
} else {
real_len = 0;
}
ret = mbfl_substr(&string, &result, real_from, real_len);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len); /* the string is already strdup()'ed */
efree(ret->val);
}
/* }}} */
/* {{{ Returns part of a string */
PHP_FUNCTION(mb_strcut)
{
zend_string *encoding = NULL;
char *string_val;
zend_long from, len;
bool len_is_null = 1;
mbfl_string string, result, *ret;
ZEND_PARSE_PARAMETERS_START(2, 4)
Z_PARAM_STRING(string_val, string.len)
Z_PARAM_LONG(from)
Z_PARAM_OPTIONAL
Z_PARAM_LONG_OR_NULL(len, len_is_null)
Z_PARAM_STR_OR_NULL(encoding)
ZEND_PARSE_PARAMETERS_END();
string.val = (unsigned char*)string_val;
string.encoding = php_mb_get_encoding(encoding, 4);
if (!string.encoding) {
RETURN_THROWS();
}
if (len_is_null) {
len = string.len;
}
/* if "from" position is negative, count start position from the end
* of the string
*/
if (from < 0) {
from = string.len + from;
if (from < 0) {
from = 0;
}
}
/* if "length" position is negative, set it to the length
* needed to stop that many chars from the end of the string
*/
if (len < 0) {
len = (string.len - from) + len;
if (len < 0) {
len = 0;
}
}
if (from > string.len) {
RETURN_EMPTY_STRING();
}
ret = mbfl_strcut(&string, &result, from, len);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len); /* the string is already strdup()'ed */
efree(ret->val);
}
/* }}} */
/* {{{ Gets terminal width of a string */
PHP_FUNCTION(mb_strwidth)
{
char *string_val;
mbfl_string string;
zend_string *enc_name = NULL;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_STRING(string_val, string.len)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(enc_name)
ZEND_PARSE_PARAMETERS_END();
string.val = (unsigned char*)string_val;
string.encoding = php_mb_get_encoding(enc_name, 2);
if (!string.encoding) {
RETURN_THROWS();
}
size_t n = mbfl_strwidth(&string);
ZEND_ASSERT(n != (size_t) -1);
RETVAL_LONG(n);
}
/* }}} */
/* {{{ Trim the string in terminal width */
PHP_FUNCTION(mb_strimwidth)
{
char *str, *trimmarker = NULL;
zend_string *encoding = NULL;
zend_long from, width, swidth = 0;
size_t str_len, trimmarker_len;
mbfl_string string, result, marker, *ret;
ZEND_PARSE_PARAMETERS_START(3, 5)
Z_PARAM_STRING(str, str_len)
Z_PARAM_LONG(from)
Z_PARAM_LONG(width)
Z_PARAM_OPTIONAL
Z_PARAM_STRING(trimmarker, trimmarker_len)
Z_PARAM_STR_OR_NULL(encoding)
ZEND_PARSE_PARAMETERS_END();
string.encoding = marker.encoding = php_mb_get_encoding(encoding, 5);
if (!string.encoding) {
RETURN_THROWS();
}
string.val = (unsigned char *)str;
string.len = str_len;
marker.val = NULL;
marker.len = 0;
if ((from < 0) || (width < 0)) {
swidth = mbfl_strwidth(&string);
}
if (from < 0) {
from += swidth;
}
if (from < 0 || (size_t)from > str_len) {
zend_argument_value_error(2, "is out of range");
RETURN_THROWS();
}
if (width < 0) {
width = swidth + width - from;
}
if (width < 0) {
zend_argument_value_error(3, "is out of range");
RETURN_THROWS();
}
if (trimmarker) {
marker.val = (unsigned char *)trimmarker;
marker.len = trimmarker_len;
}
ret = mbfl_strimwidth(&string, &marker, &result, from, width);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len); /* the string is already strdup()'ed */
efree(ret->val);
}
/* }}} */
/* See mbfl_no_encoding definition for list of unsupported encodings */
static inline bool php_mb_is_unsupported_no_encoding(enum mbfl_no_encoding no_enc)
{
return ((no_enc >= mbfl_no_encoding_invalid && no_enc <= mbfl_no_encoding_qprint)
|| (no_enc >= mbfl_no_encoding_utf7 && no_enc <= mbfl_no_encoding_utf7imap)
|| (no_enc >= mbfl_no_encoding_jis && no_enc <= mbfl_no_encoding_2022jpms)
|| (no_enc >= mbfl_no_encoding_cp50220 && no_enc <= mbfl_no_encoding_cp50222));
}
/* See mbfl_no_encoding definition for list of UTF-8 encodings */
static inline bool php_mb_is_no_encoding_utf8(enum mbfl_no_encoding no_enc)
{
return (no_enc >= mbfl_no_encoding_utf8 && no_enc <= mbfl_no_encoding_utf8_sb);
}
MBSTRING_API char *php_mb_convert_encoding_ex(const char *input, size_t length, const mbfl_encoding *to_encoding, const mbfl_encoding *from_encoding, size_t *output_len)
{
mbfl_string string, result, *ret;
mbfl_buffer_converter *convd;
char *output = NULL;
if (output_len) {
*output_len = 0;
}
/* initialize string */
string.encoding = from_encoding;
string.val = (unsigned char *)input;
string.len = length;
/* initialize converter */
convd = mbfl_buffer_converter_new(from_encoding, to_encoding, string.len);
/* If this assertion fails this means some memory allocation failure which is a bug */
ZEND_ASSERT(convd != NULL);
mbfl_buffer_converter_illegal_mode(convd, MBSTRG(current_filter_illegal_mode));
mbfl_buffer_converter_illegal_substchar(convd, MBSTRG(current_filter_illegal_substchar));
/* do it */
mbfl_string_init(&result);
ret = mbfl_buffer_converter_feed_result(convd, &string, &result);
if (ret) {
if (output_len) {
*output_len = ret->len;
}
output = (char *)ret->val;
}
MBSTRG(illegalchars) += mbfl_buffer_illegalchars(convd);
mbfl_buffer_converter_delete(convd);
return output;
}
/* }}} */
/* {{{ MBSTRING_API char *php_mb_convert_encoding() */
MBSTRING_API char *php_mb_convert_encoding(const char *input, size_t length, const mbfl_encoding *to_encoding, const mbfl_encoding **from_encodings, size_t num_from_encodings, size_t *output_len)
{
const mbfl_encoding *from_encoding;
if (output_len) {
*output_len = 0;
}
/* pre-conversion encoding */
ZEND_ASSERT(num_from_encodings >= 1);
if (num_from_encodings == 1) {
from_encoding = *from_encodings;
} else {
/* auto detect */
mbfl_string string;
mbfl_string_init(&string);
string.val = (unsigned char *)input;
string.len = length;
from_encoding = mbfl_identify_encoding(
&string, from_encodings, num_from_encodings, MBSTRG(strict_detection));
if (!from_encoding) {
php_error_docref(NULL, E_WARNING, "Unable to detect character encoding");
return NULL;
}
}
return php_mb_convert_encoding_ex(input, length, to_encoding, from_encoding, output_len);
}
/* }}} */
MBSTRING_API HashTable *php_mb_convert_encoding_recursive(HashTable *input, const mbfl_encoding *to_encoding, const mbfl_encoding **from_encodings, size_t num_from_encodings)
{
HashTable *output, *chash;
zend_long idx;
zend_string *key;
zval *entry, entry_tmp;
size_t ckey_len, cval_len;
char *ckey, *cval;
if (!input) {
return NULL;
}
if (GC_IS_RECURSIVE(input)) {
GC_UNPROTECT_RECURSION(input);
php_error_docref(NULL, E_WARNING, "Cannot convert recursively referenced values");
return NULL;
}
GC_TRY_PROTECT_RECURSION(input);
output = zend_new_array(zend_hash_num_elements(input));
ZEND_HASH_FOREACH_KEY_VAL(input, idx, key, entry) {
/* convert key */
if (key) {
ckey = php_mb_convert_encoding(
ZSTR_VAL(key), ZSTR_LEN(key),
to_encoding, from_encodings, num_from_encodings, &ckey_len);
key = zend_string_init(ckey, ckey_len, 0);
efree(ckey);
}
/* convert value */
ZEND_ASSERT(entry);
try_again:
switch(Z_TYPE_P(entry)) {
case IS_STRING:
cval = php_mb_convert_encoding(
Z_STRVAL_P(entry), Z_STRLEN_P(entry),
to_encoding, from_encodings, num_from_encodings, &cval_len);
ZVAL_STRINGL(&entry_tmp, cval, cval_len);
efree(cval);
break;
case IS_NULL:
case IS_TRUE:
case IS_FALSE:
case IS_LONG:
case IS_DOUBLE:
ZVAL_COPY(&entry_tmp, entry);
break;
case IS_ARRAY:
chash = php_mb_convert_encoding_recursive(
Z_ARRVAL_P(entry), to_encoding, from_encodings, num_from_encodings);
if (chash) {
ZVAL_ARR(&entry_tmp, chash);
} else {
ZVAL_EMPTY_ARRAY(&entry_tmp);
}
break;
case IS_REFERENCE:
entry = Z_REFVAL_P(entry);
goto try_again;
case IS_OBJECT:
default:
if (key) {
zend_string_release(key);
}
php_error_docref(NULL, E_WARNING, "Object is not supported");
continue;
}
if (key) {
zend_hash_add(output, key, &entry_tmp);
zend_string_release(key);
} else {
zend_hash_index_add(output, idx, &entry_tmp);
}
} ZEND_HASH_FOREACH_END();
GC_TRY_UNPROTECT_RECURSION(input);
return output;
}
/* }}} */
/* {{{ Returns converted string in desired encoding */
PHP_FUNCTION(mb_convert_encoding)
{
zend_string *to_encoding_name;
zend_string *input_str, *from_encodings_str = NULL;
HashTable *input_ht, *from_encodings_ht = NULL;
const mbfl_encoding **from_encodings;
size_t num_from_encodings;
bool free_from_encodings;
ZEND_PARSE_PARAMETERS_START(2, 3)
Z_PARAM_ARRAY_HT_OR_STR(input_ht, input_str)
Z_PARAM_STR(to_encoding_name)
Z_PARAM_OPTIONAL
Z_PARAM_ARRAY_HT_OR_STR_OR_NULL(from_encodings_ht, from_encodings_str)
ZEND_PARSE_PARAMETERS_END();
const mbfl_encoding *to_encoding = php_mb_get_encoding(to_encoding_name, 2);
if (!to_encoding) {
RETURN_THROWS();
}
if (from_encodings_ht) {
if (php_mb_parse_encoding_array(from_encodings_ht, &from_encodings, &num_from_encodings, 3) == FAILURE) {
RETURN_THROWS();
}
free_from_encodings = 1;
} else if (from_encodings_str) {
if (php_mb_parse_encoding_list(ZSTR_VAL(from_encodings_str), ZSTR_LEN(from_encodings_str),
&from_encodings, &num_from_encodings,
/* persistent */ 0, /* arg_num */ 3, /* allow_pass_encoding */ 0) == FAILURE) {
RETURN_THROWS();
}
free_from_encodings = 1;
} else {
from_encodings = &MBSTRG(current_internal_encoding);
num_from_encodings = 1;
free_from_encodings = 0;
}
if (!num_from_encodings) {
efree(ZEND_VOIDP(from_encodings));
zend_argument_value_error(3, "must specify at least one encoding");
RETURN_THROWS();
}
if (input_str) {
/* new encoding */
size_t size;
char *ret = php_mb_convert_encoding(ZSTR_VAL(input_str), ZSTR_LEN(input_str),
to_encoding, from_encodings, num_from_encodings, &size);
if (ret != NULL) {
// TODO: avoid reallocation ???
RETVAL_STRINGL(ret, size); /* the string is already strdup()'ed */
efree(ret);
} else {
RETVAL_FALSE;
}
} else {
HashTable *tmp;
tmp = php_mb_convert_encoding_recursive(
input_ht, to_encoding, from_encodings, num_from_encodings);
RETVAL_ARR(tmp);
}
if (free_from_encodings) {
efree(ZEND_VOIDP(from_encodings));
}
}
/* }}} */
static char *mbstring_convert_case(
int case_mode, const char *str, size_t str_len, size_t *ret_len,
const mbfl_encoding *enc) {
return php_unicode_convert_case(
case_mode, str, str_len, ret_len, enc,
MBSTRG(current_filter_illegal_mode), MBSTRG(current_filter_illegal_substchar));
}
/* {{{ Returns a case-folded version of source_string */
PHP_FUNCTION(mb_convert_case)
{
zend_string *from_encoding = NULL;
char *str;
size_t str_len, ret_len;
zend_long case_mode = 0;
ZEND_PARSE_PARAMETERS_START(2, 3)
Z_PARAM_STRING(str, str_len)
Z_PARAM_LONG(case_mode)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(from_encoding)
ZEND_PARSE_PARAMETERS_END();
const mbfl_encoding *enc = php_mb_get_encoding(from_encoding, 3);
if (!enc) {
RETURN_THROWS();
}
if (case_mode < 0 || case_mode > PHP_UNICODE_CASE_MODE_MAX) {
zend_argument_value_error(2, "must be one of the MB_CASE_* constants");
RETURN_THROWS();
}
char *newstr = mbstring_convert_case(case_mode, str, str_len, &ret_len, enc);
/* If newstr is NULL something went wrong in mbfl and this is a bug */
ZEND_ASSERT(newstr != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL(newstr, ret_len);
efree(newstr);
}
/* }}} */
/* {{{ Returns a upper cased version of source_string */
PHP_FUNCTION(mb_strtoupper)
{
zend_string *from_encoding = NULL;
char *str;
size_t str_len, ret_len;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_STRING(str, str_len)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(from_encoding)
ZEND_PARSE_PARAMETERS_END();
const mbfl_encoding *enc = php_mb_get_encoding(from_encoding, 2);
if (!enc) {
RETURN_THROWS();
}
char *newstr = mbstring_convert_case(PHP_UNICODE_CASE_UPPER, str, str_len, &ret_len, enc);
/* If newstr is NULL something went wrong in mbfl and this is a bug */
ZEND_ASSERT(newstr != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL(newstr, ret_len);
efree(newstr);
}
/* }}} */
/* {{{ Returns a lower cased version of source_string */
PHP_FUNCTION(mb_strtolower)
{
zend_string *from_encoding = NULL;
char *str;
size_t str_len;
char *newstr;
size_t ret_len;
const mbfl_encoding *enc;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_STRING(str, str_len)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(from_encoding)
ZEND_PARSE_PARAMETERS_END();
enc = php_mb_get_encoding(from_encoding, 2);
if (!enc) {
RETURN_THROWS();
}
newstr = mbstring_convert_case(PHP_UNICODE_CASE_LOWER, str, str_len, &ret_len, enc);
/* If newstr is NULL something went wrong in mbfl and this is a bug */
ZEND_ASSERT(newstr != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL(newstr, ret_len);
efree(newstr);
}
/* }}} */
/* {{{ Encodings of the given string is returned (as a string) */
PHP_FUNCTION(mb_detect_encoding)
{
char *str;
size_t str_len;
zend_string *encoding_str = NULL;
HashTable *encoding_ht = NULL;
bool strict = 0;
mbfl_string string;
const mbfl_encoding *ret;
const mbfl_encoding **elist;
size_t size;
bool free_elist;
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_STRING(str, str_len)
Z_PARAM_OPTIONAL
Z_PARAM_ARRAY_HT_OR_STR_OR_NULL(encoding_ht, encoding_str)
Z_PARAM_BOOL(strict)
ZEND_PARSE_PARAMETERS_END();
/* make encoding list */
if (encoding_ht) {
if (FAILURE == php_mb_parse_encoding_array(encoding_ht, &elist, &size, 2)) {
RETURN_THROWS();
}
free_elist = 1;
} else if (encoding_str) {
if (FAILURE == php_mb_parse_encoding_list(ZSTR_VAL(encoding_str), ZSTR_LEN(encoding_str), &elist, &size, /* persistent */ 0, /* arg_num */ 2, /* allow_pass_encoding */ 0)) {
RETURN_THROWS();
}
free_elist = 1;
} else {
elist = MBSTRG(current_detect_order_list);
size = MBSTRG(current_detect_order_list_size);
free_elist = 0;
}
if (size == 0) {
efree(ZEND_VOIDP(elist));
zend_argument_value_error(2, "must specify at least one encoding");
RETURN_THROWS();
}
if (ZEND_NUM_ARGS() < 3) {
strict = MBSTRG(strict_detection);
}
if (strict && size == 1) {
/* If there is only a single candidate encoding, mb_check_encoding is faster */
ret = (php_mb_check_encoding(str, str_len, *elist)) ? *elist : NULL;
} else {
mbfl_string_init(&string);
string.val = (unsigned char *)str;
string.len = str_len;
ret = mbfl_identify_encoding(&string, elist, size, strict);
}
if (free_elist) {
efree(ZEND_VOIDP(elist));
}
if (ret == NULL) {
RETURN_FALSE;
}
RETVAL_STRING((char *)ret->name);
}
/* }}} */
/* {{{ Returns an array of all supported entity encodings */
PHP_FUNCTION(mb_list_encodings)
{
ZEND_PARSE_PARAMETERS_NONE();
array_init(return_value);
for (const mbfl_encoding **encodings = mbfl_get_supported_encodings(); *encodings; encodings++) {
add_next_index_string(return_value, (*encodings)->name);
}
}
/* }}} */
/* {{{ Returns an array of the aliases of a given encoding name */
PHP_FUNCTION(mb_encoding_aliases)
{
const mbfl_encoding *encoding;
zend_string *encoding_name = NULL;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_STR(encoding_name)
ZEND_PARSE_PARAMETERS_END();
encoding = php_mb_get_encoding(encoding_name, 1);
if (!encoding) {
RETURN_THROWS();
}
array_init(return_value);
if (encoding->aliases != NULL) {
for (const char **alias = encoding->aliases; *alias; ++alias) {
add_next_index_string(return_value, (char *)*alias);
}
}
}
/* }}} */
/* {{{ Converts the string to MIME "encoded-word" in the format of =?charset?(B|Q)?encoded_string?= */
PHP_FUNCTION(mb_encode_mimeheader)
{
const mbfl_encoding *charset, *transenc;
mbfl_string string, result, *ret;
zend_string *charset_name = NULL;
char *trans_enc_name = NULL, *string_val;
size_t trans_enc_name_len;
char *linefeed = "\r\n";
size_t linefeed_len;
zend_long indent = 0;
string.encoding = MBSTRG(current_internal_encoding);
ZEND_PARSE_PARAMETERS_START(1, 5)
Z_PARAM_STRING(string_val, string.len)
Z_PARAM_OPTIONAL
Z_PARAM_STR(charset_name)
Z_PARAM_STRING(trans_enc_name, trans_enc_name_len)
Z_PARAM_STRING(linefeed, linefeed_len)
Z_PARAM_LONG(indent)
ZEND_PARSE_PARAMETERS_END();
string.val = (unsigned char*)string_val;
charset = &mbfl_encoding_pass;
transenc = &mbfl_encoding_base64;
if (charset_name != NULL) {
charset = php_mb_get_encoding(charset_name, 2);
if (!charset) {
RETURN_THROWS();
}
} else {
const mbfl_language *lang = mbfl_no2language(MBSTRG(language));
if (lang != NULL) {
charset = mbfl_no2encoding(lang->mail_charset);
transenc = mbfl_no2encoding(lang->mail_header_encoding);
}
}
if (trans_enc_name != NULL) {
if (*trans_enc_name == 'B' || *trans_enc_name == 'b') {
transenc = &mbfl_encoding_base64;
} else if (*trans_enc_name == 'Q' || *trans_enc_name == 'q') {
transenc = &mbfl_encoding_qprint;
}
}
mbfl_string_init(&result);
ret = mbfl_mime_header_encode(&string, &result, charset, transenc, linefeed, indent);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len); /* the string is already strdup()'ed */
efree(ret->val);
}
/* }}} */
/* {{{ Decodes the MIME "encoded-word" in the string */
PHP_FUNCTION(mb_decode_mimeheader)
{
char *string_val;
mbfl_string string, result, *ret;
string.encoding = MBSTRG(current_internal_encoding);
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_STRING(string_val, string.len)
ZEND_PARSE_PARAMETERS_END();
string.val = (unsigned char*)string_val;
mbfl_string_init(&result);
ret = mbfl_mime_header_decode(&string, &result, MBSTRG(current_internal_encoding));
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len); /* the string is already strdup()'ed */
efree(ret->val);
}
/* }}} */
/* {{{ Conversion between full-width character and half-width character (Japanese) */
PHP_FUNCTION(mb_convert_kana)
{
int opt;
mbfl_string string, result, *ret;
char *optstr = NULL, *string_val;
size_t optstr_len;
zend_string *encname = NULL;
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_STRING(string_val, string.len)
Z_PARAM_OPTIONAL
Z_PARAM_STRING(optstr, optstr_len)
Z_PARAM_STR_OR_NULL(encname)
ZEND_PARSE_PARAMETERS_END();
string.val = (unsigned char*)string_val;
/* "Zen" is 全, or "full"; "Han" is 半, or "half"
* This refers to "fullwidth" or "halfwidth" variants of characters used for writing Japanese */
if (optstr != NULL) {
char *p = optstr, *e = p + optstr_len;
opt = 0;
while (p < e) {
switch (*p++) {
case 'A':
opt |= MBFL_FILT_TL_HAN2ZEN_ALL;
break;
case 'a':
opt |= MBFL_FILT_TL_ZEN2HAN_ALL;
break;
case 'R':
opt |= MBFL_FILT_TL_HAN2ZEN_ALPHA;
break;
case 'r':
opt |= MBFL_FILT_TL_ZEN2HAN_ALPHA;
break;
case 'N':
opt |= MBFL_FILT_TL_HAN2ZEN_NUMERIC;
break;
case 'n':
opt |= MBFL_FILT_TL_ZEN2HAN_NUMERIC;
break;
case 'S':
opt |= MBFL_FILT_TL_HAN2ZEN_SPACE;
break;
case 's':
opt |= MBFL_FILT_TL_ZEN2HAN_SPACE;
break;
case 'K':
opt |= MBFL_FILT_TL_HAN2ZEN_KATAKANA;
break;
case 'k':
opt |= MBFL_FILT_TL_ZEN2HAN_KATAKANA;
break;
case 'H':
opt |= MBFL_FILT_TL_HAN2ZEN_HIRAGANA;
break;
case 'h':
opt |= MBFL_FILT_TL_ZEN2HAN_HIRAGANA;
break;
case 'V':
opt |= MBFL_FILT_TL_HAN2ZEN_GLUE;
break;
case 'C':
opt |= MBFL_FILT_TL_ZEN2HAN_HIRA2KANA;
break;
case 'c':
opt |= MBFL_FILT_TL_ZEN2HAN_KANA2HIRA;
break;
case 'M':
/* TODO: figure out what 'M' and 'm' are for, and rename the constant
* to something meaningful */
opt |= MBFL_FILT_TL_HAN2ZEN_COMPAT1;
break;
case 'm':
opt |= MBFL_FILT_TL_ZEN2HAN_COMPAT1;
break;
}
}
} else {
opt = MBFL_FILT_TL_HAN2ZEN_KATAKANA | MBFL_FILT_TL_HAN2ZEN_GLUE;
}
/* encoding */
string.encoding = php_mb_get_encoding(encname, 3);
if (!string.encoding) {
RETURN_THROWS();
}
ret = mbfl_ja_jp_hantozen(&string, &result, opt);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len); /* the string is already strdup()'ed */
efree(ret->val);
}
/* }}} */
static int mb_recursive_encoder_detector_feed(mbfl_encoding_detector *identd, zval *var, int *recursion_error) /* {{{ */
{
mbfl_string string;
HashTable *ht;
zval *entry;
ZVAL_DEREF(var);
if (Z_TYPE_P(var) == IS_STRING) {
string.val = (unsigned char *)Z_STRVAL_P(var);
string.len = Z_STRLEN_P(var);
if (mbfl_encoding_detector_feed(identd, &string)) {
return 1; /* complete detecting */
}
} else if (Z_TYPE_P(var) == IS_ARRAY || Z_TYPE_P(var) == IS_OBJECT) {
if (Z_REFCOUNTED_P(var)) {
if (Z_IS_RECURSIVE_P(var)) {
*recursion_error = 1;
return 0;
}
Z_PROTECT_RECURSION_P(var);
}
ht = HASH_OF(var);
if (ht != NULL) {
ZEND_HASH_FOREACH_VAL_IND(ht, entry) {
if (mb_recursive_encoder_detector_feed(identd, entry, recursion_error)) {
if (Z_REFCOUNTED_P(var)) {
Z_UNPROTECT_RECURSION_P(var);
}
return 1;
} else if (*recursion_error) {
if (Z_REFCOUNTED_P(var)) {
Z_UNPROTECT_RECURSION_P(var);
}
return 0;
}
} ZEND_HASH_FOREACH_END();
}
if (Z_REFCOUNTED_P(var)) {
Z_UNPROTECT_RECURSION_P(var);
}
}
return 0;
} /* }}} */
static int mb_recursive_convert_variable(mbfl_buffer_converter *convd, zval *var) /* {{{ */
{
mbfl_string string, result, *ret;
HashTable *ht;
zval *entry, *orig_var;
orig_var = var;
ZVAL_DEREF(var);
if (Z_TYPE_P(var) == IS_STRING) {
string.val = (unsigned char *)Z_STRVAL_P(var);
string.len = Z_STRLEN_P(var);
ret = mbfl_buffer_converter_feed_result(convd, &string, &result);
if (ret != NULL) {
zval_ptr_dtor(orig_var);
// TODO: avoid reallocation ???
ZVAL_STRINGL(orig_var, (char *)ret->val, ret->len);
efree(ret->val);
}
} else if (Z_TYPE_P(var) == IS_ARRAY || Z_TYPE_P(var) == IS_OBJECT) {
if (Z_TYPE_P(var) == IS_ARRAY) {
SEPARATE_ARRAY(var);
}
if (Z_REFCOUNTED_P(var)) {
if (Z_IS_RECURSIVE_P(var)) {
return 1;
}
Z_PROTECT_RECURSION_P(var);
}
ht = HASH_OF(var);
if (ht != NULL) {
ZEND_HASH_FOREACH_VAL_IND(ht, entry) {
if (mb_recursive_convert_variable(convd, entry)) {
if (Z_REFCOUNTED_P(var)) {
Z_UNPROTECT_RECURSION_P(var);
}
return 1;
}
} ZEND_HASH_FOREACH_END();
}
if (Z_REFCOUNTED_P(var)) {
Z_UNPROTECT_RECURSION_P(var);
}
}
return 0;
} /* }}} */
/* {{{ Converts the string resource in variables to desired encoding */
PHP_FUNCTION(mb_convert_variables)
{
zval *args;
zend_string *to_enc_str;
zend_string *from_enc_str;
HashTable *from_enc_ht;
mbfl_string string, result;
const mbfl_encoding *from_encoding, *to_encoding;
mbfl_encoding_detector *identd;
mbfl_buffer_converter *convd;
int n, argc;
size_t elistsz;
const mbfl_encoding **elist;
int recursion_error = 0;
ZEND_PARSE_PARAMETERS_START(3, -1)
Z_PARAM_STR(to_enc_str)
Z_PARAM_ARRAY_HT_OR_STR(from_enc_ht, from_enc_str)
Z_PARAM_VARIADIC('+', args, argc)
ZEND_PARSE_PARAMETERS_END();
/* new encoding */
to_encoding = php_mb_get_encoding(to_enc_str, 1);
if (!to_encoding) {
RETURN_THROWS();
}
/* initialize string */
from_encoding = MBSTRG(current_internal_encoding);
mbfl_string_init_set(&string, from_encoding);
mbfl_string_init(&result);
/* pre-conversion encoding */
if (from_enc_ht) {
if (php_mb_parse_encoding_array(from_enc_ht, &elist, &elistsz, 2) == FAILURE) {
RETURN_THROWS();
}
} else {
if (php_mb_parse_encoding_list(ZSTR_VAL(from_enc_str), ZSTR_LEN(from_enc_str), &elist, &elistsz, /* persistent */ 0, /* arg_num */ 2, /* allow_pass_encoding */ 0) == FAILURE) {
RETURN_THROWS();
}
}
if (elistsz == 0) {
efree(ZEND_VOIDP(elist));
zend_argument_value_error(2, "must specify at least one encoding");
RETURN_THROWS();
}
if (elistsz == 1) {
from_encoding = *elist;
} else {
/* auto detect */
from_encoding = NULL;
identd = mbfl_encoding_detector_new(elist, elistsz, MBSTRG(strict_detection));
if (identd != NULL) {
n = 0;
while (n < argc) {
if (mb_recursive_encoder_detector_feed(identd, &args[n], &recursion_error)) {
break;
}
n++;
}
from_encoding = mbfl_encoding_detector_judge(identd);
mbfl_encoding_detector_delete(identd);
if (recursion_error) {
efree(ZEND_VOIDP(elist));
php_error_docref(NULL, E_WARNING, "Cannot handle recursive references");
RETURN_FALSE;
}
}
if (!from_encoding) {
php_error_docref(NULL, E_WARNING, "Unable to detect encoding");
efree(ZEND_VOIDP(elist));
RETURN_FALSE;
}
}
efree(ZEND_VOIDP(elist));
convd = mbfl_buffer_converter_new(from_encoding, to_encoding, 0);
/* If this assertion fails this means some memory allocation failure which is a bug */
ZEND_ASSERT(convd != NULL);
mbfl_buffer_converter_illegal_mode(convd, MBSTRG(current_filter_illegal_mode));
mbfl_buffer_converter_illegal_substchar(convd, MBSTRG(current_filter_illegal_substchar));
/* convert */
n = 0;
while (n < argc) {
zval *zv = &args[n];
ZVAL_DEREF(zv);
recursion_error = mb_recursive_convert_variable(convd, zv);
if (recursion_error) {
break;
}
n++;
}
MBSTRG(illegalchars) += mbfl_buffer_illegalchars(convd);
mbfl_buffer_converter_delete(convd);
if (recursion_error) {
php_error_docref(NULL, E_WARNING, "Cannot handle recursive references");
RETURN_FALSE;
}
RETURN_STRING(from_encoding->name);
}
/* }}} */
/* HTML numeric entities */
/* Convert PHP array to data structure required by mbfl_html_numeric_entity */
static int *make_conversion_map(HashTable *target_hash, int *convmap_size)
{
zval *hash_entry;
int n_elems = zend_hash_num_elements(target_hash);
if (n_elems % 4 != 0) {
zend_argument_value_error(2, "must have a multiple of 4 elements");
return NULL;
}
int *convmap = (int *)safe_emalloc(n_elems, sizeof(int), 0);
int *mapelm = convmap;
ZEND_HASH_FOREACH_VAL(target_hash, hash_entry) {
*mapelm++ = zval_get_long(hash_entry);
} ZEND_HASH_FOREACH_END();
*convmap_size = n_elems / 4;
return convmap;
}
/* {{{ Converts specified characters to HTML numeric entities */
PHP_FUNCTION(mb_encode_numericentity)
{
char *str = NULL;
zend_string *encoding = NULL;
int mapsize;
HashTable *target_hash;
bool is_hex = 0;
mbfl_string string, result, *ret;
ZEND_PARSE_PARAMETERS_START(2, 4)
Z_PARAM_STRING(str, string.len)
Z_PARAM_ARRAY_HT(target_hash)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(encoding)
Z_PARAM_BOOL(is_hex)
ZEND_PARSE_PARAMETERS_END();
string.val = (unsigned char *)str;
string.encoding = php_mb_get_encoding(encoding, 3);
if (!string.encoding) {
RETURN_THROWS();
}
int *convmap = make_conversion_map(target_hash, &mapsize);
if (convmap == NULL) {
RETURN_THROWS();
}
ret = mbfl_html_numeric_entity(&string, &result, convmap, mapsize, is_hex ? 2 : 0);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len);
efree(ret->val);
efree(convmap);
}
/* }}} */
/* {{{ Converts HTML numeric entities to character code */
PHP_FUNCTION(mb_decode_numericentity)
{
char *str = NULL;
zend_string *encoding = NULL;
int mapsize;
HashTable *target_hash;
mbfl_string string, result, *ret;
ZEND_PARSE_PARAMETERS_START(2, 3)
Z_PARAM_STRING(str, string.len)
Z_PARAM_ARRAY_HT(target_hash)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(encoding)
ZEND_PARSE_PARAMETERS_END();
string.val = (unsigned char *)str;
string.encoding = php_mb_get_encoding(encoding, 3);
if (!string.encoding) {
RETURN_THROWS();
}
int *convmap = make_conversion_map(target_hash, &mapsize);
if (convmap == NULL) {
RETURN_THROWS();
}
ret = mbfl_html_numeric_entity(&string, &result, convmap, mapsize, 1);
ZEND_ASSERT(ret != NULL);
// TODO: avoid reallocation ???
RETVAL_STRINGL((char *)ret->val, ret->len);
efree(ret->val);
efree((void *)convmap);
}
/* }}} */
/* {{{ Sends an email message with MIME scheme */
#define SKIP_LONG_HEADER_SEP_MBSTRING(str, pos) \
if (str[pos] == '\r' && str[pos + 1] == '\n' && (str[pos + 2] == ' ' || str[pos + 2] == '\t')) { \
pos += 2; \
while (str[pos + 1] == ' ' || str[pos + 1] == '\t') { \
pos++; \
} \
continue; \
}
static int _php_mbstr_parse_mail_headers(HashTable *ht, const char *str, size_t str_len)
{
const char *ps;
size_t icnt;
int state = 0;
int crlf_state = -1;
char *token = NULL;
size_t token_pos = 0;
zend_string *fld_name, *fld_val;
ps = str;
icnt = str_len;
fld_name = fld_val = NULL;
/*
* C o n t e n t - T y p e : t e x t / h t m l \r\n
* ^ ^^^^^^^^^^^^^^^^^^^^^ ^^^ ^^^^^^^^^^^^^^^^^ ^^^^
* state 0 1 2 3
*
* C o n t e n t - T y p e : t e x t / h t m l \r\n
* ^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^
* crlf_state -1 0 1 -1
*
*/
while (icnt > 0) {
switch (*ps) {
case ':':
if (crlf_state == 1) {
token_pos++;
}
if (state == 0 || state == 1) {
if(token && token_pos > 0) {
fld_name = zend_string_init(token, token_pos, 0);
}
state = 2;
} else {
token_pos++;
}
crlf_state = 0;
break;
case '\n':
if (crlf_state == -1) {
goto out;
}
crlf_state = -1;
break;
case '\r':
if (crlf_state == 1) {
token_pos++;
} else {
crlf_state = 1;
}
break;
case ' ': case '\t':
if (crlf_state == -1) {
if (state == 3) {
/* continuing from the previous line */
state = 4;
} else {
/* simply skipping this new line */
state = 5;
}
} else {
if (crlf_state == 1) {
token_pos++;
}
if (state == 1 || state == 3) {
token_pos++;
}
}
crlf_state = 0;
break;
default:
switch (state) {
case 0:
token = (char*)ps;
token_pos = 0;
state = 1;
break;
case 2:
if (crlf_state != -1) {
token = (char*)ps;
token_pos = 0;
state = 3;
break;
}
ZEND_FALLTHROUGH;
case 3:
if (crlf_state == -1) {
if(token && token_pos > 0) {
fld_val = zend_string_init(token, token_pos, 0);
}
if (fld_name != NULL && fld_val != NULL) {
zval val;
zend_str_tolower(ZSTR_VAL(fld_name), ZSTR_LEN(fld_name));
ZVAL_STR(&val, fld_val);
zend_hash_update(ht, fld_name, &val);
zend_string_release_ex(fld_name, 0);
}
fld_name = fld_val = NULL;
token = (char*)ps;
token_pos = 0;
state = 1;
}
break;
case 4:
token_pos++;
state = 3;
break;
}
if (crlf_state == 1) {
token_pos++;
}
token_pos++;
crlf_state = 0;
break;
}
ps++, icnt--;
}
out:
if (state == 2) {
token = "";
token_pos = 0;
state = 3;
}
if (state == 3) {
if(token && token_pos > 0) {
fld_val = zend_string_init(token, token_pos, 0);
}
if (fld_name != NULL && fld_val != NULL) {
zval val;
zend_str_tolower(ZSTR_VAL(fld_name), ZSTR_LEN(fld_name));
ZVAL_STR(&val, fld_val);
zend_hash_update(ht, fld_name, &val);
zend_string_release_ex(fld_name, 0);
}
}
return state;
}
PHP_FUNCTION(mb_send_mail)
{
char *to;
size_t to_len;
char *message;
size_t message_len;
char *subject;
size_t subject_len;
zend_string *extra_cmd = NULL;
HashTable *headers_ht = NULL;
zend_string *str_headers = NULL;
size_t n, i;
char *to_r = NULL;
char *force_extra_parameters = INI_STR("mail.force_extra_parameters");
struct {
int cnt_type:1;
int cnt_trans_enc:1;
} suppressed_hdrs = { 0, 0 };
char *message_buf = NULL, *subject_buf = NULL, *p;
mbfl_string orig_str, conv_str;
mbfl_string *pstr; /* pointer to mbfl string for return value */
enum mbfl_no_encoding;
const mbfl_encoding *tran_cs, /* transfer text charset */
*head_enc, /* header transfer encoding */
*body_enc; /* body transfer encoding */
mbfl_memory_device device; /* automatic allocateable buffer for additional header */
const mbfl_language *lang;
int err = 0;
HashTable ht_headers;
zval *s;
extern void mbfl_memory_device_unput(mbfl_memory_device *device);
/* initialize */
mbfl_memory_device_init(&device, 0, 0);
mbfl_string_init(&orig_str);
mbfl_string_init(&conv_str);
/* character-set, transfer-encoding */
tran_cs = &mbfl_encoding_utf8;
head_enc = &mbfl_encoding_base64;
body_enc = &mbfl_encoding_base64;
lang = mbfl_no2language(MBSTRG(language));
if (lang != NULL) {
tran_cs = mbfl_no2encoding(lang->mail_charset);
head_enc = mbfl_no2encoding(lang->mail_header_encoding);
body_enc = mbfl_no2encoding(lang->mail_body_encoding);
}
ZEND_PARSE_PARAMETERS_START(3, 5)
Z_PARAM_PATH(to, to_len)
Z_PARAM_PATH(subject, subject_len)
Z_PARAM_PATH(message, message_len)
Z_PARAM_OPTIONAL
Z_PARAM_ARRAY_HT_OR_STR(headers_ht, str_headers)
Z_PARAM_PATH_STR_OR_NULL(extra_cmd)
ZEND_PARSE_PARAMETERS_END();
if (str_headers) {
if (strlen(ZSTR_VAL(str_headers)) != ZSTR_LEN(str_headers)) {
zend_argument_value_error(4, "must not contain any null bytes");
RETURN_THROWS();
}
str_headers = php_trim(str_headers, NULL, 0, 2);
} else if (headers_ht) {
str_headers = php_mail_build_headers(headers_ht);
if (EG(exception)) {
RETURN_THROWS();
}
}
zend_hash_init(&ht_headers, 0, NULL, ZVAL_PTR_DTOR, 0);
if (str_headers != NULL) {
_php_mbstr_parse_mail_headers(&ht_headers, ZSTR_VAL(str_headers), ZSTR_LEN(str_headers));
}
if ((s = zend_hash_str_find(&ht_headers, "content-type", sizeof("content-type") - 1))) {
char *tmp;
char *param_name;
char *charset = NULL;
ZEND_ASSERT(Z_TYPE_P(s) == IS_STRING);
p = strchr(Z_STRVAL_P(s), ';');
if (p != NULL) {
/* skipping the padded spaces */
do {
++p;
} while (*p == ' ' || *p == '\t');
if (*p != '\0') {
if ((param_name = php_strtok_r(p, "= ", &tmp)) != NULL) {
if (strcasecmp(param_name, "charset") == 0) {
const mbfl_encoding *_tran_cs = tran_cs;
charset = php_strtok_r(NULL, "= \"", &tmp);
if (charset != NULL) {
_tran_cs = mbfl_name2encoding(charset);
}
if (!_tran_cs) {
php_error_docref(NULL, E_WARNING, "Unsupported charset \"%s\" - will be regarded as ascii", charset);
_tran_cs = &mbfl_encoding_ascii;
}
tran_cs = _tran_cs;
}
}
}
}
suppressed_hdrs.cnt_type = 1;
}
if ((s = zend_hash_str_find(&ht_headers, "content-transfer-encoding", sizeof("content-transfer-encoding") - 1))) {
const mbfl_encoding *_body_enc;
ZEND_ASSERT(Z_TYPE_P(s) == IS_STRING);
_body_enc = mbfl_name2encoding(Z_STRVAL_P(s));
switch (_body_enc ? _body_enc->no_encoding : mbfl_no_encoding_invalid) {
case mbfl_no_encoding_base64:
case mbfl_no_encoding_7bit:
case mbfl_no_encoding_8bit:
body_enc = _body_enc;
break;
default:
php_error_docref(NULL, E_WARNING, "Unsupported transfer encoding \"%s\" - will be regarded as 8bit", Z_STRVAL_P(s));
body_enc = &mbfl_encoding_8bit;
break;
}
suppressed_hdrs.cnt_trans_enc = 1;
}
/* To: */
if (to_len > 0) {
to_r = estrndup(to, to_len);
for (; to_len; to_len--) {
if (!isspace((unsigned char) to_r[to_len - 1])) {
break;
}
to_r[to_len - 1] = '\0';
}
for (i = 0; to_r[i]; i++) {
if (iscntrl((unsigned char) to_r[i])) {
/* According to RFC 822, section 3.1.1 long headers may be separated into
* parts using CRLF followed at least one linear-white-space character ('\t' or ' ').
* To prevent these separators from being replaced with a space, we use the
* SKIP_LONG_HEADER_SEP_MBSTRING to skip over them.
*/
SKIP_LONG_HEADER_SEP_MBSTRING(to_r, i);
to_r[i] = ' ';
}
}
} else {
to_r = to;
}
/* Subject: */
orig_str.val = (unsigned char *)subject;
orig_str.len = subject_len;
orig_str.encoding = MBSTRG(current_internal_encoding);
if (orig_str.encoding->no_encoding == mbfl_no_encoding_invalid
|| orig_str.encoding->no_encoding == mbfl_no_encoding_pass) {
orig_str.encoding = mbfl_identify_encoding(&orig_str, MBSTRG(current_detect_order_list), MBSTRG(current_detect_order_list_size), MBSTRG(strict_detection));
}
pstr = mbfl_mime_header_encode(&orig_str, &conv_str, tran_cs, head_enc, "\n", sizeof("Subject: [PHP-jp nnnnnnnn]"));
if (pstr != NULL) {
subject_buf = subject = (char *)pstr->val;
}
/* message body */
orig_str.val = (unsigned char *)message;
orig_str.len = message_len;
orig_str.encoding = MBSTRG(current_internal_encoding);
if (orig_str.encoding->no_encoding == mbfl_no_encoding_invalid
|| orig_str.encoding->no_encoding == mbfl_no_encoding_pass) {
orig_str.encoding = mbfl_identify_encoding(&orig_str, MBSTRG(current_detect_order_list), MBSTRG(current_detect_order_list_size), MBSTRG(strict_detection));
}
pstr = NULL;
{
mbfl_string tmpstr;
if (mbfl_convert_encoding(&orig_str, &tmpstr, tran_cs) != NULL) {
tmpstr.encoding = &mbfl_encoding_8bit;
pstr = mbfl_convert_encoding(&tmpstr, &conv_str, body_enc);
efree(tmpstr.val);
}
}
if (pstr != NULL) {
message_buf = message = (char *)pstr->val;
}
/* other headers */
#define PHP_MBSTR_MAIL_MIME_HEADER1 "MIME-Version: 1.0"
#define PHP_MBSTR_MAIL_MIME_HEADER2 "Content-Type: text/plain"
#define PHP_MBSTR_MAIL_MIME_HEADER3 "; charset="
#define PHP_MBSTR_MAIL_MIME_HEADER4 "Content-Transfer-Encoding: "
if (str_headers != NULL) {
p = ZSTR_VAL(str_headers);
n = ZSTR_LEN(str_headers);
mbfl_memory_device_strncat(&device, p, n);
if (n > 0 && p[n - 1] != '\n') {
mbfl_memory_device_strncat(&device, "\n", 1);
}
zend_string_release_ex(str_headers, 0);
}
if (!zend_hash_str_exists(&ht_headers, "mime-version", sizeof("mime-version") - 1)) {
mbfl_memory_device_strncat(&device, PHP_MBSTR_MAIL_MIME_HEADER1, sizeof(PHP_MBSTR_MAIL_MIME_HEADER1) - 1);
mbfl_memory_device_strncat(&device, "\n", 1);
}
if (!suppressed_hdrs.cnt_type) {
mbfl_memory_device_strncat(&device, PHP_MBSTR_MAIL_MIME_HEADER2, sizeof(PHP_MBSTR_MAIL_MIME_HEADER2) - 1);
p = (char *)mbfl_encoding_preferred_mime_name(tran_cs);
if (p != NULL) {
mbfl_memory_device_strncat(&device, PHP_MBSTR_MAIL_MIME_HEADER3, sizeof(PHP_MBSTR_MAIL_MIME_HEADER3) - 1);
mbfl_memory_device_strcat(&device, p);
}
mbfl_memory_device_strncat(&device, "\n", 1);
}
if (!suppressed_hdrs.cnt_trans_enc) {
mbfl_memory_device_strncat(&device, PHP_MBSTR_MAIL_MIME_HEADER4, sizeof(PHP_MBSTR_MAIL_MIME_HEADER4) - 1);
p = (char *)mbfl_encoding_preferred_mime_name(body_enc);
if (p == NULL) {
p = "7bit";
}
mbfl_memory_device_strcat(&device, p);
mbfl_memory_device_strncat(&device, "\n", 1);
}
mbfl_memory_device_unput(&device);
mbfl_memory_device_output('\0', &device);
str_headers = zend_string_init((char *)device.buffer, strlen((char *)device.buffer), 0);
if (force_extra_parameters) {
extra_cmd = php_escape_shell_cmd(force_extra_parameters);
} else if (extra_cmd) {
extra_cmd = php_escape_shell_cmd(ZSTR_VAL(extra_cmd));
}
if (!err && php_mail(to_r, subject, message, ZSTR_VAL(str_headers), extra_cmd ? ZSTR_VAL(extra_cmd) : NULL)) {
RETVAL_TRUE;
} else {
RETVAL_FALSE;
}
if (extra_cmd) {
zend_string_release_ex(extra_cmd, 0);
}
if (to_r != to) {
efree(to_r);
}
if (subject_buf) {
efree((void *)subject_buf);
}
if (message_buf) {
efree((void *)message_buf);
}
mbfl_memory_device_clear(&device);
zend_hash_destroy(&ht_headers);
if (str_headers) {
zend_string_release_ex(str_headers, 0);
}
}
#undef SKIP_LONG_HEADER_SEP_MBSTRING
#undef MAIL_ASCIIZ_CHECK_MBSTRING
#undef PHP_MBSTR_MAIL_MIME_HEADER1
#undef PHP_MBSTR_MAIL_MIME_HEADER2
#undef PHP_MBSTR_MAIL_MIME_HEADER3
#undef PHP_MBSTR_MAIL_MIME_HEADER4
/* }}} */
/* {{{ Returns the current settings of mbstring */
PHP_FUNCTION(mb_get_info)
{
zend_string *type = NULL;
size_t n;
char *name;
zval row;
const mbfl_language *lang = mbfl_no2language(MBSTRG(language));
const mbfl_encoding **entry;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_STR(type)
ZEND_PARSE_PARAMETERS_END();
if (!type || zend_string_equals_literal_ci(type, "all")) {
array_init(return_value);
if (MBSTRG(current_internal_encoding)) {
add_assoc_string(return_value, "internal_encoding", (char *)MBSTRG(current_internal_encoding)->name);
}
if (MBSTRG(http_input_identify)) {
add_assoc_string(return_value, "http_input", (char *)MBSTRG(http_input_identify)->name);
}
if (MBSTRG(current_http_output_encoding)) {
add_assoc_string(return_value, "http_output", (char *)MBSTRG(current_http_output_encoding)->name);
}
if ((name = (char *)zend_ini_string("mbstring.http_output_conv_mimetypes", sizeof("mbstring.http_output_conv_mimetypes") - 1, 0)) != NULL) {
add_assoc_string(return_value, "http_output_conv_mimetypes", name);
}
if (lang != NULL) {
if ((name = (char *)mbfl_no_encoding2name(lang->mail_charset)) != NULL) {
add_assoc_string(return_value, "mail_charset", name);
}
if ((name = (char *)mbfl_no_encoding2name(lang->mail_header_encoding)) != NULL) {
add_assoc_string(return_value, "mail_header_encoding", name);
}
if ((name = (char *)mbfl_no_encoding2name(lang->mail_body_encoding)) != NULL) {
add_assoc_string(return_value, "mail_body_encoding", name);
}
}
add_assoc_long(return_value, "illegal_chars", MBSTRG(illegalchars));
if (MBSTRG(encoding_translation)) {
add_assoc_string(return_value, "encoding_translation", "On");
} else {
add_assoc_string(return_value, "encoding_translation", "Off");
}
if ((name = (char *)mbfl_no_language2name(MBSTRG(language))) != NULL) {
add_assoc_string(return_value, "language", name);
}
n = MBSTRG(current_detect_order_list_size);
entry = MBSTRG(current_detect_order_list);
if (n > 0) {
size_t i;
array_init(&row);
for (i = 0; i < n; i++) {
add_next_index_string(&row, (*entry)->name);
entry++;
}
add_assoc_zval(return_value, "detect_order", &row);
}
if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
add_assoc_string(return_value, "substitute_character", "none");
} else if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_LONG) {
add_assoc_string(return_value, "substitute_character", "long");
} else if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_ENTITY) {
add_assoc_string(return_value, "substitute_character", "entity");
} else {
add_assoc_long(return_value, "substitute_character", MBSTRG(current_filter_illegal_substchar));
}
if (MBSTRG(strict_detection)) {
add_assoc_string(return_value, "strict_detection", "On");
} else {
add_assoc_string(return_value, "strict_detection", "Off");
}
} else if (zend_string_equals_literal_ci(type, "internal_encoding")) {
if (MBSTRG(current_internal_encoding)) {
RETVAL_STRING((char *)MBSTRG(current_internal_encoding)->name);
}
} else if (zend_string_equals_literal_ci(type, "http_input")) {
if (MBSTRG(http_input_identify)) {
RETVAL_STRING((char *)MBSTRG(http_input_identify)->name);
}
} else if (zend_string_equals_literal_ci(type, "http_output")) {
if (MBSTRG(current_http_output_encoding)) {
RETVAL_STRING((char *)MBSTRG(current_http_output_encoding)->name);
}
} else if (zend_string_equals_literal_ci(type, "http_output_conv_mimetypes")) {
if ((name = (char *)zend_ini_string("mbstring.http_output_conv_mimetypes", sizeof("mbstring.http_output_conv_mimetypes") - 1, 0)) != NULL) {
RETVAL_STRING(name);
}
} else if (zend_string_equals_literal_ci(type, "mail_charset")) {
if (lang != NULL && (name = (char *)mbfl_no_encoding2name(lang->mail_charset)) != NULL) {
RETVAL_STRING(name);
}
} else if (zend_string_equals_literal_ci(type, "mail_header_encoding")) {
if (lang != NULL && (name = (char *)mbfl_no_encoding2name(lang->mail_header_encoding)) != NULL) {
RETVAL_STRING(name);
}
} else if (zend_string_equals_literal_ci(type, "mail_body_encoding")) {
if (lang != NULL && (name = (char *)mbfl_no_encoding2name(lang->mail_body_encoding)) != NULL) {
RETVAL_STRING(name);
}
} else if (zend_string_equals_literal_ci(type, "illegal_chars")) {
RETVAL_LONG(MBSTRG(illegalchars));
} else if (zend_string_equals_literal_ci(type, "encoding_translation")) {
if (MBSTRG(encoding_translation)) {
RETVAL_STRING("On");
} else {
RETVAL_STRING("Off");
}
} else if (zend_string_equals_literal_ci(type, "language")) {
if ((name = (char *)mbfl_no_language2name(MBSTRG(language))) != NULL) {
RETVAL_STRING(name);
}
} else if (zend_string_equals_literal_ci(type, "detect_order")) {
n = MBSTRG(current_detect_order_list_size);
entry = MBSTRG(current_detect_order_list);
if (n > 0) {
size_t i;
array_init(return_value);
for (i = 0; i < n; i++) {
add_next_index_string(return_value, (*entry)->name);
entry++;
}
}
} else if (zend_string_equals_literal_ci(type, "substitute_character")) {
if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
RETVAL_STRING("none");
} else if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_LONG) {
RETVAL_STRING("long");
} else if (MBSTRG(current_filter_illegal_mode) == MBFL_OUTPUTFILTER_ILLEGAL_MODE_ENTITY) {
RETVAL_STRING("entity");
} else {
RETVAL_LONG(MBSTRG(current_filter_illegal_substchar));
}
} else if (zend_string_equals_literal_ci(type, "strict_detection")) {
if (MBSTRG(strict_detection)) {
RETVAL_STRING("On");
} else {
RETVAL_STRING("Off");
}
} else {
// TODO Convert to ValueError
RETURN_FALSE;
}
}
/* }}} */
static int mbfl_filt_check_errors(int c, void* data)
{
if (c == MBFL_BAD_INPUT) {
(*((mbfl_convert_filter**)data))->num_illegalchar++;
}
return 0;
}
MBSTRING_API int php_mb_check_encoding(const char *input, size_t length, const mbfl_encoding *encoding)
{
mbfl_convert_filter *filter = mbfl_convert_filter_new(encoding, &mbfl_encoding_wchar, mbfl_filt_check_errors, NULL, &filter);
while (length--) {
unsigned char c = *input++;
(filter->filter_function)(c, filter);
if (filter->num_illegalchar) {
mbfl_convert_filter_delete(filter);
return 0;
}
}
(filter->filter_flush)(filter);
int result = !filter->num_illegalchar;
mbfl_convert_filter_delete(filter);
return result;
}
static int php_mb_check_encoding_recursive(HashTable *vars, const mbfl_encoding *encoding)
{
zend_long idx;
zend_string *key;
zval *entry;
int valid = 1;
(void)(idx); /* Suppress spurious compiler warning that `idx` is not used */
if (GC_IS_RECURSIVE(vars)) {
php_error_docref(NULL, E_WARNING, "Cannot not handle circular references");
return 0;
}
GC_TRY_PROTECT_RECURSION(vars);
ZEND_HASH_FOREACH_KEY_VAL(vars, idx, key, entry) {
ZVAL_DEREF(entry);
if (key) {
if (!php_mb_check_encoding(ZSTR_VAL(key), ZSTR_LEN(key), encoding)) {
valid = 0;
break;
}
}
switch (Z_TYPE_P(entry)) {
case IS_STRING:
if (!php_mb_check_encoding(Z_STRVAL_P(entry), Z_STRLEN_P(entry), encoding)) {
valid = 0;
break;
}
break;
case IS_ARRAY:
if (!php_mb_check_encoding_recursive(Z_ARRVAL_P(entry), encoding)) {
valid = 0;
break;
}
break;
case IS_LONG:
case IS_DOUBLE:
case IS_NULL:
case IS_TRUE:
case IS_FALSE:
break;
default:
/* Other types are error. */
valid = 0;
break;
}
} ZEND_HASH_FOREACH_END();
GC_TRY_UNPROTECT_RECURSION(vars);
return valid;
}
/* {{{ Check if the string is valid for the specified encoding */
PHP_FUNCTION(mb_check_encoding)
{
zend_string *input_str = NULL, *enc = NULL;
HashTable *input_ht = NULL;
const mbfl_encoding *encoding;
ZEND_PARSE_PARAMETERS_START(0, 2)
Z_PARAM_OPTIONAL
Z_PARAM_ARRAY_HT_OR_STR_OR_NULL(input_ht, input_str)
Z_PARAM_STR_OR_NULL(enc)
ZEND_PARSE_PARAMETERS_END();
encoding = php_mb_get_encoding(enc, 2);
if (!encoding) {
RETURN_THROWS();
}
if (input_ht) {
RETURN_BOOL(php_mb_check_encoding_recursive(input_ht, encoding));
} else if (input_str) {
RETURN_BOOL(php_mb_check_encoding(ZSTR_VAL(input_str), ZSTR_LEN(input_str), encoding));
} else {
php_error_docref(NULL, E_DEPRECATED,
"Calling mb_check_encoding() without argument is deprecated");
/* FIXME: Actually check all inputs, except $_FILES file content. */
RETURN_BOOL(MBSTRG(illegalchars) == 0);
}
}
/* }}} */
static inline zend_long php_mb_ord(const char *str, size_t str_len, zend_string *enc_name,
const uint32_t enc_name_arg_num)
{
const mbfl_encoding *enc;
enum mbfl_no_encoding no_enc;
ZEND_ASSERT(str_len > 0);
enc = php_mb_get_encoding(enc_name, enc_name_arg_num);
if (!enc) {
return -2;
}
no_enc = enc->no_encoding;
if (php_mb_is_unsupported_no_encoding(no_enc)) {
zend_value_error("mb_ord() does not support the \"%s\" encoding", enc->name);
return -2;
}
{
mbfl_wchar_device dev;
mbfl_convert_filter *filter;
zend_long cp;
mbfl_wchar_device_init(&dev);
filter = mbfl_convert_filter_new(enc, &mbfl_encoding_wchar, mbfl_wchar_device_output, 0, &dev);
/* If this assertion fails this means some memory allocation failure which is a bug */
ZEND_ASSERT(filter != NULL);
mbfl_convert_filter_feed_string(filter, (unsigned char*)str, str_len);
mbfl_convert_filter_flush(filter);
if (dev.pos < 1 || filter->num_illegalchar || dev.buffer[0] == MBFL_BAD_INPUT) {
cp = -1;
} else {
cp = dev.buffer[0];
}
mbfl_convert_filter_delete(filter);
mbfl_wchar_device_clear(&dev);
return cp;
}
}
/* {{{ */
PHP_FUNCTION(mb_ord)
{
char *str;
size_t str_len;
zend_string *enc = NULL;
zend_long cp;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_STRING(str, str_len)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(enc)
ZEND_PARSE_PARAMETERS_END();
if (str_len == 0) {
zend_argument_value_error(1, "must not be empty");
RETURN_THROWS();
}
cp = php_mb_ord(str, str_len, enc, 2);
if (0 > cp) {
if (cp == -2) {
RETURN_THROWS();
}
RETURN_FALSE;
}
RETURN_LONG(cp);
}
/* }}} */
static inline zend_string *php_mb_chr(zend_long cp, zend_string *enc_name, uint32_t enc_name_arg_num)
{
const mbfl_encoding *enc;
enum mbfl_no_encoding no_enc;
zend_string *ret;
char* buf;
size_t buf_len;
enc = php_mb_get_encoding(enc_name, enc_name_arg_num);
if (!enc) {
return NULL;
}
no_enc = enc->no_encoding;
if (php_mb_is_unsupported_no_encoding(no_enc)) {
zend_value_error("mb_chr() does not support the \"%s\" encoding", enc->name);
return NULL;
}
if (cp < 0 || cp > 0x10ffff) {
return NULL;
}
if (php_mb_is_no_encoding_utf8(no_enc)) {
if (cp > 0xd7ff && 0xe000 > cp) {
return NULL;
}
if (cp < 0x80) {
ret = ZSTR_CHAR(cp);
} else if (cp < 0x800) {
ret = zend_string_alloc(2, 0);
ZSTR_VAL(ret)[0] = 0xc0 | (cp >> 6);
ZSTR_VAL(ret)[1] = 0x80 | (cp & 0x3f);
ZSTR_VAL(ret)[2] = 0;
} else if (cp < 0x10000) {
ret = zend_string_alloc(3, 0);
ZSTR_VAL(ret)[0] = 0xe0 | (cp >> 12);
ZSTR_VAL(ret)[1] = 0x80 | ((cp >> 6) & 0x3f);
ZSTR_VAL(ret)[2] = 0x80 | (cp & 0x3f);
ZSTR_VAL(ret)[3] = 0;
} else {
ret = zend_string_alloc(4, 0);
ZSTR_VAL(ret)[0] = 0xf0 | (cp >> 18);
ZSTR_VAL(ret)[1] = 0x80 | ((cp >> 12) & 0x3f);
ZSTR_VAL(ret)[2] = 0x80 | ((cp >> 6) & 0x3f);
ZSTR_VAL(ret)[3] = 0x80 | (cp & 0x3f);
ZSTR_VAL(ret)[4] = 0;
}
return ret;
}
buf_len = 4;
buf = (char *) emalloc(buf_len + 1);
buf[0] = (cp >> 24) & 0xff;
buf[1] = (cp >> 16) & 0xff;
buf[2] = (cp >> 8) & 0xff;
buf[3] = cp & 0xff;
buf[4] = 0;
char *ret_str;
size_t ret_len;
long orig_illegalchars = MBSTRG(illegalchars);
MBSTRG(illegalchars) = 0;
ret_str = php_mb_convert_encoding_ex(buf, buf_len, enc, &mbfl_encoding_ucs4be, &ret_len);
if (MBSTRG(illegalchars) != 0) {
efree(buf);
efree(ret_str);
MBSTRG(illegalchars) = orig_illegalchars;
return NULL;
}
ret = zend_string_init(ret_str, ret_len, 0);
efree(ret_str);
MBSTRG(illegalchars) = orig_illegalchars;
efree(buf);
return ret;
}
/* {{{ */
PHP_FUNCTION(mb_chr)
{
zend_long cp;
zend_string *enc = NULL;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_LONG(cp)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(enc)
ZEND_PARSE_PARAMETERS_END();
zend_string* ret = php_mb_chr(cp, enc, 2);
if (ret == NULL) {
RETURN_FALSE;
}
RETURN_STR(ret);
}
/* }}} */
/* {{{ */
PHP_FUNCTION(mb_scrub)
{
char* str;
size_t str_len;
zend_string *enc_name = NULL;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_STRING(str, str_len)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(enc_name)
ZEND_PARSE_PARAMETERS_END();
const mbfl_encoding *enc = php_mb_get_encoding(enc_name, 2);
if (!enc) {
RETURN_THROWS();
}
size_t ret_len;
char *ret = php_mb_convert_encoding_ex(str, str_len, enc, enc, &ret_len);
RETVAL_STRINGL(ret, ret_len);
efree(ret);
}
/* }}} */
/* {{{ php_mb_populate_current_detect_order_list */
static void php_mb_populate_current_detect_order_list(void)
{
const mbfl_encoding **entry = 0;
size_t nentries;
if (MBSTRG(current_detect_order_list)) {
return;
}
if (MBSTRG(detect_order_list) && MBSTRG(detect_order_list_size)) {
nentries = MBSTRG(detect_order_list_size);
entry = (const mbfl_encoding **)safe_emalloc(nentries, sizeof(mbfl_encoding*), 0);
memcpy(ZEND_VOIDP(entry), MBSTRG(detect_order_list), sizeof(mbfl_encoding*) * nentries);
} else {
const enum mbfl_no_encoding *src = MBSTRG(default_detect_order_list);
size_t i;
nentries = MBSTRG(default_detect_order_list_size);
entry = (const mbfl_encoding **)safe_emalloc(nentries, sizeof(mbfl_encoding*), 0);
for (i = 0; i < nentries; i++) {
entry[i] = mbfl_no2encoding(src[i]);
}
}
MBSTRG(current_detect_order_list) = entry;
MBSTRG(current_detect_order_list_size) = nentries;
}
/* }}} */
/* {{{ static int php_mb_encoding_translation() */
static int php_mb_encoding_translation(void)
{
return MBSTRG(encoding_translation);
}
/* }}} */
/* {{{ MBSTRING_API size_t php_mb_mbchar_bytes_ex() */
MBSTRING_API size_t php_mb_mbchar_bytes_ex(const char *s, const mbfl_encoding *enc)
{
if (enc) {
if (enc->mblen_table) {
if (s) {
return enc->mblen_table[*(unsigned char *)s];
}
} else if (enc->flag & MBFL_ENCTYPE_WCS2) {
return 2;
} else if (enc->flag & MBFL_ENCTYPE_WCS4) {
return 4;
}
}
return 1;
}
/* }}} */
/* {{{ MBSTRING_API size_t php_mb_mbchar_bytes() */
MBSTRING_API size_t php_mb_mbchar_bytes(const char *s)
{
return php_mb_mbchar_bytes_ex(s, MBSTRG(internal_encoding));
}
/* }}} */
/* {{{ MBSTRING_API char *php_mb_safe_strrchr_ex() */
MBSTRING_API char *php_mb_safe_strrchr_ex(const char *s, unsigned int c, size_t nbytes, const mbfl_encoding *enc)
{
const char *p = s;
char *last=NULL;
if (nbytes == (size_t)-1) {
size_t nb = 0;
while (*p != '\0') {
if (nb == 0) {
if ((unsigned char)*p == (unsigned char)c) {
last = (char *)p;
}
nb = php_mb_mbchar_bytes_ex(p, enc);
if (nb == 0) {
return NULL; /* something is going wrong! */
}
}
--nb;
++p;
}
} else {
size_t bcnt = nbytes;
size_t nbytes_char;
while (bcnt > 0) {
if ((unsigned char)*p == (unsigned char)c) {
last = (char *)p;
}
nbytes_char = php_mb_mbchar_bytes_ex(p, enc);
if (bcnt < nbytes_char) {
return NULL;
}
p += nbytes_char;
bcnt -= nbytes_char;
}
}
return last;
}
/* }}} */
/* {{{ MBSTRING_API char *php_mb_safe_strrchr() */
MBSTRING_API char *php_mb_safe_strrchr(const char *s, unsigned int c, size_t nbytes)
{
return php_mb_safe_strrchr_ex(s, c, nbytes, MBSTRG(internal_encoding));
}
/* }}} */
/* {{{ MBSTRING_API int php_mb_stripos() */
MBSTRING_API size_t php_mb_stripos(int mode, const char *old_haystack, size_t old_haystack_len, const char *old_needle, size_t old_needle_len, zend_long offset, const mbfl_encoding *enc)
{
size_t n = (size_t) -1;
mbfl_string haystack, needle;
mbfl_string_init_set(&haystack, enc);
mbfl_string_init_set(&needle, enc);
do {
/* We're using simple case-folding here, because we'd have to deal with remapping of
* offsets otherwise. */
size_t len = 0;
haystack.val = (unsigned char *)mbstring_convert_case(PHP_UNICODE_CASE_FOLD_SIMPLE, (char *)old_haystack, old_haystack_len, &len, enc);
haystack.len = len;
if (!haystack.val) {
break;
}
if (haystack.len == 0) {
break;
}
needle.val = (unsigned char *)mbstring_convert_case(PHP_UNICODE_CASE_FOLD_SIMPLE, (char *)old_needle, old_needle_len, &len, enc);
needle.len = len;
if (!needle.val) {
break;
}
n = mbfl_strpos(&haystack, &needle, offset, mode);
} while(0);
if (haystack.val) {
efree(haystack.val);
}
if (needle.val) {
efree(needle.val);
}
return n;
}
/* }}} */
static void php_mb_gpc_get_detect_order(const zend_encoding ***list, size_t *list_size) /* {{{ */
{
*list = (const zend_encoding **)MBSTRG(http_input_list);
*list_size = MBSTRG(http_input_list_size);
}
/* }}} */
static void php_mb_gpc_set_input_encoding(const zend_encoding *encoding) /* {{{ */
{
MBSTRG(http_input_identify) = (const mbfl_encoding*)encoding;
}
/* }}} */
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