예제 #1
0
파일: mb_gpc.c 프로젝트: RyanNerd/php-src
/* {{{ mbfl_no_encoding _php_mb_encoding_handler_ex() */
const mbfl_encoding *_php_mb_encoding_handler_ex(const php_mb_encoding_handler_info_t *info, zval *arg, char *res)
{
	char *var, *val;
	const char *s1, *s2;
	char *strtok_buf = NULL, **val_list = NULL;
	zval *array_ptr = (zval *) arg;
	size_t n, num, *len_list = NULL;
	size_t val_len, new_val_len;
	mbfl_string string, resvar, resval;
	const mbfl_encoding *from_encoding = NULL;
	mbfl_encoding_detector *identd = NULL;
	mbfl_buffer_converter *convd = NULL;

	mbfl_string_init_set(&string, info->to_language, info->to_encoding);
	mbfl_string_init_set(&resvar, info->to_language, info->to_encoding);
	mbfl_string_init_set(&resval, info->to_language, info->to_encoding);

	if (!res || *res == '\0') {
		goto out;
	}

	/* count the variables(separators) contained in the "res".
	 * separator may contain multiple separator chars.
	 */
	num = 1;
	for (s1=res; *s1 != '\0'; s1++) {
		for (s2=info->separator; *s2 != '\0'; s2++) {
			if (*s1 == *s2) {
				num++;
			}
		}
	}
	num *= 2; /* need space for variable name and value */

	val_list = (char **)ecalloc(num, sizeof(char *));
	len_list = (size_t *)ecalloc(num, sizeof(size_t));

	/* split and decode the query */
	n = 0;
	strtok_buf = NULL;
	var = php_strtok_r(res, info->separator, &strtok_buf);
	while (var)  {
		val = strchr(var, '=');
		if (val) { /* have a value */
			len_list[n] = php_url_decode(var, val-var);
			val_list[n] = var;
			n++;

			*val++ = '\0';
			val_list[n] = val;
			len_list[n] = php_url_decode(val, strlen(val));
		} else {
			len_list[n] = php_url_decode(var, strlen(var));
			val_list[n] = var;
			n++;

			val_list[n] = "";
			len_list[n] = 0;
		}
		n++;
		var = php_strtok_r(NULL, info->separator, &strtok_buf);
	}

	if (ZEND_SIZE_T_GT_ZEND_LONG(n, (PG(max_input_vars) * 2))) {
		php_error_docref(NULL, E_WARNING, "Input variables exceeded " ZEND_LONG_FMT ". To increase the limit change max_input_vars in php.ini.", PG(max_input_vars));
		goto out;
	}

	num = n; /* make sure to process initialized vars only */

	/* initialize converter */
	if (info->num_from_encodings <= 0) {
		from_encoding = &mbfl_encoding_pass;
	} else if (info->num_from_encodings == 1) {
		from_encoding = info->from_encodings[0];
	} else {
		/* auto detect */
		from_encoding = NULL;
		identd = mbfl_encoding_detector_new(info->from_encodings, info->num_from_encodings, MBSTRG(strict_detection));
		if (identd != NULL) {
			n = 0;
			while (n < num) {
				string.val = (unsigned char *)val_list[n];
				string.len = len_list[n];
				if (mbfl_encoding_detector_feed(identd, &string)) {
					break;
				}
				n++;
			}
			from_encoding = mbfl_encoding_detector_judge(identd);
			mbfl_encoding_detector_delete(identd);
		}
		if (!from_encoding) {
			if (info->report_errors) {
				php_error_docref(NULL, E_WARNING, "Unable to detect encoding");
			}
			from_encoding = &mbfl_encoding_pass;
		}
	}

	convd = NULL;
	if (from_encoding != &mbfl_encoding_pass) {
		convd = mbfl_buffer_converter_new(from_encoding, info->to_encoding, 0);
		if (convd != NULL) {
			mbfl_buffer_converter_illegal_mode(convd, MBSTRG(current_filter_illegal_mode));
			mbfl_buffer_converter_illegal_substchar(convd, MBSTRG(current_filter_illegal_substchar));
		} else {
			if (info->report_errors) {
				php_error_docref(NULL, E_WARNING, "Unable to create converter");
			}
			goto out;
		}
	}

	/* convert encoding */
	string.encoding = from_encoding;

	n = 0;
	while (n < num) {
		string.val = (unsigned char *)val_list[n];
		string.len = len_list[n];
		if (convd != NULL && mbfl_buffer_converter_feed_result(convd, &string, &resvar) != NULL) {
			var = (char *)resvar.val;
		} else {
			var = val_list[n];
		}
		n++;
		string.val = (unsigned char *)val_list[n];
		string.len = len_list[n];
		if (convd != NULL && mbfl_buffer_converter_feed_result(convd, &string, &resval) != NULL) {
			val = (char *)resval.val;
			val_len = resval.len;
		} else {
			val = val_list[n];
			val_len = len_list[n];
		}
		n++;
		/* we need val to be emalloc()ed */
		val = estrndup(val, val_len);
		if (sapi_module.input_filter(info->data_type, var, &val, val_len, &new_val_len)) {
			/* add variable to symbol table */
			php_register_variable_safe(var, val, new_val_len, array_ptr);
		}
		efree(val);

		if (convd != NULL){
			mbfl_string_clear(&resvar);
			mbfl_string_clear(&resval);
		}
	}

out:
	if (convd != NULL) {
		MBSTRG(illegalchars) += mbfl_buffer_illegalchars(convd);
		mbfl_buffer_converter_delete(convd);
	}
	if (val_list != NULL) {
		efree((void *)val_list);
	}
	if (len_list != NULL) {
		efree((void *)len_list);
	}

	return from_encoding;
}
예제 #2
0
파일: mb_gpc.c 프로젝트: 0/php-src
/* {{{ MBSTRING_API SAPI_TREAT_DATA_FUNC(mbstr_treat_data)
 * http input processing */
MBSTRING_API SAPI_TREAT_DATA_FUNC(mbstr_treat_data)
{
	char *res = NULL, *separator=NULL;
	const char *c_var;
	zval *array_ptr;
	int free_buffer=0;
	const mbfl_encoding *detected;
	php_mb_encoding_handler_info_t info;

	if (arg != PARSE_STRING) {
		char *value = MBSTRG(internal_encoding_name);
		_php_mb_ini_mbstring_internal_encoding_set(value, value ? strlen(value): 0 TSRMLS_CC);
	}

	if (!MBSTRG(encoding_translation)) {
		php_default_treat_data(arg, str, destArray TSRMLS_CC);
		return;
	}

	switch (arg) {
		case PARSE_POST:
		case PARSE_GET:
		case PARSE_COOKIE:
			ALLOC_ZVAL(array_ptr);
			array_init(array_ptr);
			INIT_PZVAL(array_ptr);
			switch (arg) {
				case PARSE_POST:
					PG(http_globals)[TRACK_VARS_POST] = array_ptr;
					break;
				case PARSE_GET:
					PG(http_globals)[TRACK_VARS_GET] = array_ptr;
					break;
				case PARSE_COOKIE:
					PG(http_globals)[TRACK_VARS_COOKIE] = array_ptr;
					break;
			}
			break;
		default:
			array_ptr=destArray;
			break;
	}

	if (arg==PARSE_POST) { 
		sapi_handle_post(array_ptr TSRMLS_CC);
		return;
	}

	if (arg == PARSE_GET) {		/* GET data */
		c_var = SG(request_info).query_string;
		if (c_var && *c_var) {
			res = (char *) estrdup(c_var);
			free_buffer = 1;
		} else {
			free_buffer = 0;
		}
	} else if (arg == PARSE_COOKIE) {		/* Cookie data */
		c_var = SG(request_info).cookie_data;
		if (c_var && *c_var) {
			res = (char *) estrdup(c_var);
			free_buffer = 1;
		} else {
			free_buffer = 0;
		}
	} else if (arg == PARSE_STRING) {		/* String data */
		res = str;
		free_buffer = 1;
	}

	if (!res) {
		return;
	}

	switch (arg) {
	case PARSE_POST:
	case PARSE_GET:
	case PARSE_STRING:
		separator = (char *) estrdup(PG(arg_separator).input);
		break;
	case PARSE_COOKIE:
		separator = ";\0";
		break;
	}
	
	switch(arg) {
	case PARSE_POST:
		MBSTRG(http_input_identify_post) = NULL;
		break;
	case PARSE_GET:
		MBSTRG(http_input_identify_get) = NULL;
		break;
	case PARSE_COOKIE:
		MBSTRG(http_input_identify_cookie) = NULL;
		break;
	case PARSE_STRING:
		MBSTRG(http_input_identify_string) = NULL;
		break;
	}

	info.data_type              = arg;
	info.separator              = separator; 
	info.report_errors          = 0;
	info.to_encoding            = MBSTRG(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);

	MBSTRG(illegalchars) = 0;

	detected = _php_mb_encoding_handler_ex(&info, array_ptr, res TSRMLS_CC);
	MBSTRG(http_input_identify) = detected;

	if (detected) {
		switch(arg){
		case PARSE_POST:
			MBSTRG(http_input_identify_post) = detected;
			break;
		case PARSE_GET:
			MBSTRG(http_input_identify_get) = detected;
			break;
		case PARSE_COOKIE:
			MBSTRG(http_input_identify_cookie) = detected;
			break;
		case PARSE_STRING:
			MBSTRG(http_input_identify_string) = detected;
			break;
		}
	}

	if (arg != PARSE_COOKIE) {
		efree(separator);
	}

	if (free_buffer) {
		efree(res);
	}
}
예제 #3
0
ZEND_EXTERN_MODULE_GLOBALS(mbstring)

/* {{{ static void php_mb_regex_free_cache() */
static void php_mb_regex_free_cache(php_mb_regex_t **pre) 
{
	onig_free(*pre);
}
/* }}} */

/* {{{ _php_mb_regex_globals_ctor */
void _php_mb_regex_globals_ctor(zend_mbstring_globals *pglobals TSRMLS_DC)
{
	MBSTRG(default_mbctype) = ONIG_ENCODING_EUC_JP;
	MBSTRG(current_mbctype) = ONIG_ENCODING_EUC_JP;
	zend_hash_init(&(MBSTRG(ht_rc)), 0, NULL, (void (*)(void *)) php_mb_regex_free_cache, 1);
	MBSTRG(search_str) = (zval*) NULL;
	MBSTRG(search_re) = (php_mb_regex_t*)NULL;
	MBSTRG(search_pos) = 0;
	MBSTRG(search_regs) = (OnigRegion*)NULL;
	MBSTRG(regex_default_options) = ONIG_OPTION_MULTILINE | ONIG_OPTION_SINGLELINE;
	MBSTRG(regex_default_syntax) = ONIG_SYNTAX_RUBY;
}
/* }}} */

/* {{{ _php_mb_regex_globals_dtor */
void _php_mb_regex_globals_dtor(zend_mbstring_globals *pglobals TSRMLS_DC) 
{
	zend_hash_destroy(&MBSTRG(ht_rc));
}
/* }}} */