mirror of
https://github.com/php/php-src.git
synced 2024-12-11 10:54:47 +08:00
11d24c1593
requests--let's see what I can dig out of the bugtracker for NEWS-- and while crossing the road: * implemented new zlib API * fixed up ext/tidy (what was "s&" in zend_parse_parameters() supposed to do?) Thanks to Jani and Felipe for pioneering.
2833 lines
72 KiB
C
2833 lines
72 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2010 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Rui Hirokawa <rui_hirokawa@ybb.ne.jp> |
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| Stig Bakken <ssb@php.net> |
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| Moriyoshi Koizumi <moriyoshi@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_globals.h"
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#include "ext/standard/info.h"
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#include "main/php_output.h"
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#include "SAPI.h"
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#include "php_ini.h"
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#ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#include <errno.h>
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#include "php_iconv.h"
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#ifdef HAVE_ICONV
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#ifdef PHP_ICONV_H_PATH
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#include PHP_ICONV_H_PATH
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#else
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#include <iconv.h>
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#endif
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#ifdef HAVE_GLIBC_ICONV
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#include <gnu/libc-version.h>
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#endif
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#ifdef HAVE_LIBICONV
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#undef iconv
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#endif
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#include "ext/standard/php_smart_str.h"
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#include "ext/standard/base64.h"
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#include "ext/standard/quot_print.h"
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#define _php_iconv_memequal(a, b, c) \
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((c) == sizeof(unsigned long) ? *((unsigned long *)(a)) == *((unsigned long *)(b)) : ((c) == sizeof(unsigned int) ? *((unsigned int *)(a)) == *((unsigned int *)(b)) : memcmp(a, b, c) == 0))
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/* {{{ arginfo */
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ZEND_BEGIN_ARG_INFO_EX(arginfo_iconv_strlen, 0, 0, 1)
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ZEND_ARG_INFO(0, str)
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ZEND_ARG_INFO(0, charset)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_iconv_substr, 0, 0, 2)
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ZEND_ARG_INFO(0, str)
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ZEND_ARG_INFO(0, offset)
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ZEND_ARG_INFO(0, length)
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ZEND_ARG_INFO(0, charset)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_iconv_strpos, 0, 0, 2)
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ZEND_ARG_INFO(0, haystack)
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ZEND_ARG_INFO(0, needle)
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ZEND_ARG_INFO(0, offset)
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ZEND_ARG_INFO(0, charset)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_iconv_strrpos, 0, 0, 2)
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ZEND_ARG_INFO(0, haystack)
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ZEND_ARG_INFO(0, needle)
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ZEND_ARG_INFO(0, charset)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_iconv_mime_encode, 0, 0, 2)
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ZEND_ARG_INFO(0, field_name)
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ZEND_ARG_INFO(0, field_value)
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ZEND_ARG_INFO(0, preference) /* ZEND_ARG_ARRAY_INFO(0, preference, 1) */
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_iconv_mime_decode, 0, 0, 1)
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ZEND_ARG_INFO(0, encoded_string)
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ZEND_ARG_INFO(0, mode)
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ZEND_ARG_INFO(0, charset)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_iconv_mime_decode_headers, 0, 0, 1)
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ZEND_ARG_INFO(0, headers)
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ZEND_ARG_INFO(0, mode)
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ZEND_ARG_INFO(0, charset)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO(arginfo_iconv, 0)
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ZEND_ARG_INFO(0, in_charset)
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ZEND_ARG_INFO(0, out_charset)
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ZEND_ARG_INFO(0, str)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO(arginfo_iconv_set_encoding, 0)
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ZEND_ARG_INFO(0, type)
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ZEND_ARG_INFO(0, charset)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_iconv_get_encoding, 0, 0, 0)
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ZEND_ARG_INFO(0, type)
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ZEND_END_ARG_INFO()
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/* }}} */
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/* {{{ iconv_functions[]
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*/
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const zend_function_entry iconv_functions[] = {
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PHP_RAW_NAMED_FE(iconv,php_if_iconv, arginfo_iconv)
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PHP_FE(iconv_get_encoding, arginfo_iconv_get_encoding)
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PHP_FE(iconv_set_encoding, arginfo_iconv_set_encoding)
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PHP_FE(iconv_strlen, arginfo_iconv_strlen)
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PHP_FE(iconv_substr, arginfo_iconv_substr)
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PHP_FE(iconv_strpos, arginfo_iconv_strpos)
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PHP_FE(iconv_strrpos, arginfo_iconv_strrpos)
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PHP_FE(iconv_mime_encode, arginfo_iconv_mime_encode)
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PHP_FE(iconv_mime_decode, arginfo_iconv_mime_decode)
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PHP_FE(iconv_mime_decode_headers, arginfo_iconv_mime_decode_headers)
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{NULL, NULL, NULL}
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};
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/* }}} */
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ZEND_DECLARE_MODULE_GLOBALS(iconv)
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static PHP_GINIT_FUNCTION(iconv);
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/* {{{ iconv_module_entry
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*/
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zend_module_entry iconv_module_entry = {
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STANDARD_MODULE_HEADER,
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"iconv",
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iconv_functions,
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PHP_MINIT(miconv),
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PHP_MSHUTDOWN(miconv),
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NULL,
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NULL,
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PHP_MINFO(miconv),
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NO_VERSION_YET,
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PHP_MODULE_GLOBALS(iconv),
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PHP_GINIT(iconv),
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NULL,
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NULL,
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STANDARD_MODULE_PROPERTIES_EX
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};
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/* }}} */
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#ifdef COMPILE_DL_ICONV
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ZEND_GET_MODULE(iconv)
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#endif
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/* {{{ PHP_GINIT_FUNCTION */
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static PHP_GINIT_FUNCTION(iconv)
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{
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iconv_globals->input_encoding = NULL;
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iconv_globals->output_encoding = NULL;
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iconv_globals->internal_encoding = NULL;
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}
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/* }}} */
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#if defined(HAVE_LIBICONV) && defined(ICONV_ALIASED_LIBICONV)
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#define iconv libiconv
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#endif
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/* {{{ typedef enum php_iconv_enc_scheme_t */
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typedef enum _php_iconv_enc_scheme_t {
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PHP_ICONV_ENC_SCHEME_BASE64,
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PHP_ICONV_ENC_SCHEME_QPRINT
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} php_iconv_enc_scheme_t;
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/* }}} */
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#define PHP_ICONV_MIME_DECODE_STRICT (1<<0)
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#define PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR (1<<1)
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/* {{{ prototypes */
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static php_iconv_err_t _php_iconv_appendl(smart_str *d, const char *s, size_t l, iconv_t cd);
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static php_iconv_err_t _php_iconv_appendc(smart_str *d, const char c, iconv_t cd);
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static void _php_iconv_show_error(php_iconv_err_t err, const char *out_charset, const char *in_charset TSRMLS_DC);
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static php_iconv_err_t _php_iconv_strlen(unsigned int *pretval, const char *str, size_t nbytes, const char *enc);
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static php_iconv_err_t _php_iconv_substr(smart_str *pretval, const char *str, size_t nbytes, int offset, int len, const char *enc);
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static php_iconv_err_t _php_iconv_strpos(unsigned int *pretval, const char *haystk, size_t haystk_nbytes, const char *ndl, size_t ndl_nbytes, int offset, const char *enc);
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static php_iconv_err_t _php_iconv_mime_encode(smart_str *pretval, const char *fname, size_t fname_nbytes, const char *fval, size_t fval_nbytes, unsigned int max_line_len, const char *lfchars, php_iconv_enc_scheme_t enc_scheme, const char *out_charset, const char *enc);
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static php_iconv_err_t _php_iconv_mime_decode(smart_str *pretval, const char *str, size_t str_nbytes, const char *enc, const char **next_pos, int mode);
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static php_iconv_err_t php_iconv_stream_filter_register_factory(TSRMLS_D);
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static php_iconv_err_t php_iconv_stream_filter_unregister_factory(TSRMLS_D);
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static int php_iconv_output_conflict(const char *handler_name, size_t handler_name_len TSRMLS_DC);
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static php_output_handler *php_iconv_output_handler_init(const char *name, size_t name_len, size_t chunk_size, int flags TSRMLS_DC);
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static int php_iconv_output_handler(void **nothing, php_output_context *output_context);
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/* }}} */
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/* {{{ static globals */
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static char _generic_superset_name[] = ICONV_UCS4_ENCODING;
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#define GENERIC_SUPERSET_NAME _generic_superset_name
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#define GENERIC_SUPERSET_NBYTES 4
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/* }}} */
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static PHP_INI_MH(OnUpdateStringIconvCharset)
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{
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if(new_value_length >= ICONV_CSNMAXLEN) {
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return FAILURE;
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}
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OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
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return SUCCESS;
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}
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/* {{{ PHP_INI
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*/
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PHP_INI_BEGIN()
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STD_PHP_INI_ENTRY("iconv.input_encoding", ICONV_INPUT_ENCODING, PHP_INI_ALL, OnUpdateStringIconvCharset, input_encoding, zend_iconv_globals, iconv_globals)
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STD_PHP_INI_ENTRY("iconv.output_encoding", ICONV_OUTPUT_ENCODING, PHP_INI_ALL, OnUpdateStringIconvCharset, output_encoding, zend_iconv_globals, iconv_globals)
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STD_PHP_INI_ENTRY("iconv.internal_encoding", ICONV_INTERNAL_ENCODING, PHP_INI_ALL, OnUpdateStringIconvCharset, internal_encoding, zend_iconv_globals, iconv_globals)
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PHP_INI_END()
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/* }}} */
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/* {{{ PHP_MINIT_FUNCTION */
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PHP_MINIT_FUNCTION(miconv)
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{
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char *version = "unknown";
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REGISTER_INI_ENTRIES();
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#if HAVE_LIBICONV
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{
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static char buf[16];
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snprintf(buf, sizeof(buf), "%d.%d",
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((_libiconv_version >> 8) & 0x0f), (_libiconv_version & 0x0f));
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version = buf;
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}
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#elif HAVE_GLIBC_ICONV
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version = (char *)gnu_get_libc_version();
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#elif defined(NETWARE)
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version = "OS built-in";
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#endif
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#ifdef PHP_ICONV_IMPL
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REGISTER_STRING_CONSTANT("ICONV_IMPL", PHP_ICONV_IMPL, CONST_CS | CONST_PERSISTENT);
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#elif HAVE_LIBICONV
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REGISTER_STRING_CONSTANT("ICONV_IMPL", "libiconv", CONST_CS | CONST_PERSISTENT);
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#elif defined(NETWARE)
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REGISTER_STRING_CONSTANT("ICONV_IMPL", "Novell", CONST_CS | CONST_PERSISTENT);
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#else
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REGISTER_STRING_CONSTANT("ICONV_IMPL", "unknown", CONST_CS | CONST_PERSISTENT);
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#endif
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REGISTER_STRING_CONSTANT("ICONV_VERSION", version, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("ICONV_MIME_DECODE_STRICT", PHP_ICONV_MIME_DECODE_STRICT, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("ICONV_MIME_DECODE_CONTINUE_ON_ERROR", PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR, CONST_CS | CONST_PERSISTENT);
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if (php_iconv_stream_filter_register_factory(TSRMLS_C) != PHP_ICONV_ERR_SUCCESS) {
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return FAILURE;
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}
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php_output_handler_alias_register(ZEND_STRL("ob_iconv_handler"), php_iconv_output_handler_init TSRMLS_CC);
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php_output_handler_conflict_register(ZEND_STRL("ob_iconv_handler"), php_iconv_output_conflict TSRMLS_CC);
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return SUCCESS;
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}
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/* }}} */
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/* {{{ PHP_MSHUTDOWN_FUNCTION */
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PHP_MSHUTDOWN_FUNCTION(miconv)
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{
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php_iconv_stream_filter_unregister_factory(TSRMLS_C);
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UNREGISTER_INI_ENTRIES();
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return SUCCESS;
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}
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/* }}} */
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/* {{{ PHP_MINFO_FUNCTION */
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PHP_MINFO_FUNCTION(miconv)
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{
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zval iconv_impl, iconv_ver;
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zend_get_constant("ICONV_IMPL", sizeof("ICONV_IMPL")-1, &iconv_impl TSRMLS_CC);
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zend_get_constant("ICONV_VERSION", sizeof("ICONV_VERSION")-1, &iconv_ver TSRMLS_CC);
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php_info_print_table_start();
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php_info_print_table_row(2, "iconv support", "enabled");
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php_info_print_table_row(2, "iconv implementation", Z_STRVAL(iconv_impl));
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php_info_print_table_row(2, "iconv library version", Z_STRVAL(iconv_ver));
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php_info_print_table_end();
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DISPLAY_INI_ENTRIES();
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zval_dtor(&iconv_impl);
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zval_dtor(&iconv_ver);
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}
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/* }}} */
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static int php_iconv_output_conflict(const char *handler_name, size_t handler_name_len TSRMLS_DC)
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{
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if (php_output_get_level(TSRMLS_C)) {
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if (php_output_handler_conflict(handler_name, handler_name_len, ZEND_STRL("ob_iconv_handler") TSRMLS_CC)
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|| php_output_handler_conflict(handler_name, handler_name_len, ZEND_STRL("mb_output_handler") TSRMLS_CC)) {
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return FAILURE;
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}
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}
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return SUCCESS;
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}
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static php_output_handler *php_iconv_output_handler_init(const char *handler_name, size_t handler_name_len, size_t chunk_size, int flags TSRMLS_DC)
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{
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return php_output_handler_create_internal(handler_name, handler_name_len, php_iconv_output_handler, chunk_size, flags TSRMLS_CC);
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}
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static int php_iconv_output_handler(void **nothing, php_output_context *output_context)
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{
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char *s, *content_type, *mimetype = NULL;
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int output_status, mimetype_len = 0;
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PHP_OUTPUT_TSRMLS(output_context);
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if (output_context->op & PHP_OUTPUT_HANDLER_START) {
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output_status = php_output_get_status(TSRMLS_C);
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if (output_status & PHP_OUTPUT_SENT) {
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return FAILURE;
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}
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if (SG(sapi_headers).mimetype && !strncasecmp(SG(sapi_headers).mimetype, "text/", 5)) {
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if ((s = strchr(SG(sapi_headers).mimetype,';')) == NULL){
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mimetype = SG(sapi_headers).mimetype;
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} else {
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mimetype = SG(sapi_headers).mimetype;
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mimetype_len = s - SG(sapi_headers).mimetype;
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}
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} else if (SG(sapi_headers).send_default_content_type) {
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mimetype = SG(default_mimetype) ? SG(default_mimetype) : SAPI_DEFAULT_MIMETYPE;
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}
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if (mimetype != NULL && !(output_context->op & PHP_OUTPUT_HANDLER_CLEAN)) {
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int len = spprintf(&content_type, 0, "Content-Type: %.*s; charset=%s", mimetype_len?mimetype_len:strlen(mimetype), mimetype, ICONVG(output_encoding));
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if (content_type && SUCCESS == sapi_add_header(content_type, len, 0)) {
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SG(sapi_headers).send_default_content_type = 0;
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php_output_handler_hook(PHP_OUTPUT_HANDLER_HOOK_IMMUTABLE, NULL TSRMLS_CC);
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}
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}
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}
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if (output_context->in.used) {
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output_context->out.free = 1;
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_php_iconv_show_error(php_iconv_string(output_context->in.data, output_context->in.used, &output_context->out.data, &output_context->out.used, ICONVG(output_encoding), ICONVG(internal_encoding)), ICONVG(output_encoding), ICONVG(internal_encoding) TSRMLS_CC);
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}
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return SUCCESS;
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}
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/* {{{ _php_iconv_appendl() */
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static php_iconv_err_t _php_iconv_appendl(smart_str *d, const char *s, size_t l, iconv_t cd)
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{
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const char *in_p = s;
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size_t in_left = l;
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char *out_p;
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size_t out_left = 0;
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size_t buf_growth = 128;
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#if !ICONV_SUPPORTS_ERRNO
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size_t prev_in_left = in_left;
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#endif
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if (in_p != NULL) {
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while (in_left > 0) {
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out_left = buf_growth - out_left;
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{
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size_t newlen;
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smart_str_alloc((d), out_left, 0);
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}
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out_p = (d)->c + (d)->len;
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if (iconv(cd, (char **)&in_p, &in_left, (char **) &out_p, &out_left) == (size_t)-1) {
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#if ICONV_SUPPORTS_ERRNO
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switch (errno) {
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case EINVAL:
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return PHP_ICONV_ERR_ILLEGAL_CHAR;
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case EILSEQ:
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return PHP_ICONV_ERR_ILLEGAL_SEQ;
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case E2BIG:
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break;
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default:
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return PHP_ICONV_ERR_UNKNOWN;
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}
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#else
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if (prev_in_left == in_left) {
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return PHP_ICONV_ERR_UNKNOWN;
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}
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#endif
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}
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#if !ICONV_SUPPORTS_ERRNO
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prev_in_left = in_left;
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#endif
|
|
(d)->len += (buf_growth - out_left);
|
|
buf_growth <<= 1;
|
|
}
|
|
} else {
|
|
for (;;) {
|
|
out_left = buf_growth - out_left;
|
|
{
|
|
size_t newlen;
|
|
smart_str_alloc((d), out_left, 0);
|
|
}
|
|
|
|
out_p = (d)->c + (d)->len;
|
|
|
|
if (iconv(cd, NULL, NULL, (char **) &out_p, &out_left) == (size_t)0) {
|
|
(d)->len += (buf_growth - out_left);
|
|
break;
|
|
} else {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno != E2BIG) {
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
#else
|
|
if (out_left != 0) {
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
#endif
|
|
}
|
|
(d)->len += (buf_growth - out_left);
|
|
buf_growth <<= 1;
|
|
}
|
|
}
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ _php_iconv_appendc() */
|
|
static php_iconv_err_t _php_iconv_appendc(smart_str *d, const char c, iconv_t cd)
|
|
{
|
|
return _php_iconv_appendl(d, &c, 1, cd);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_iconv_string()
|
|
*/
|
|
PHP_ICONV_API php_iconv_err_t php_iconv_string(const char *in_p, size_t in_len,
|
|
char **out, size_t *out_len,
|
|
const char *out_charset, const char *in_charset)
|
|
{
|
|
#if !ICONV_SUPPORTS_ERRNO
|
|
size_t in_size, out_size, out_left;
|
|
char *out_buffer, *out_p;
|
|
iconv_t cd;
|
|
size_t result;
|
|
|
|
*out = NULL;
|
|
*out_len = 0;
|
|
|
|
/*
|
|
This is not the right way to get output size...
|
|
This is not space efficient for large text.
|
|
This is also problem for encoding like UTF-7/UTF-8/ISO-2022 which
|
|
a single char can be more than 4 bytes.
|
|
I added 15 extra bytes for safety. <yohgaki@php.net>
|
|
*/
|
|
out_size = in_len * sizeof(int) + 15;
|
|
out_left = out_size;
|
|
|
|
in_size = in_len;
|
|
|
|
cd = iconv_open(out_charset, in_charset);
|
|
|
|
if (cd == (iconv_t)(-1)) {
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
|
|
out_buffer = (char *) emalloc(out_size + 1);
|
|
out_p = out_buffer;
|
|
|
|
#ifdef NETWARE
|
|
result = iconv(cd, (char **) &in_p, &in_size, (char **)
|
|
#else
|
|
result = iconv(cd, (const char **) &in_p, &in_size, (char **)
|
|
#endif
|
|
&out_p, &out_left);
|
|
|
|
if (result == (size_t)(-1)) {
|
|
efree(out_buffer);
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
|
|
if (out_left < 8) {
|
|
out_buffer = (char *) erealloc(out_buffer, out_size + 8);
|
|
}
|
|
|
|
/* flush the shift-out sequences */
|
|
result = iconv(cd, NULL, NULL, &out_p, &out_left);
|
|
|
|
if (result == (size_t)(-1)) {
|
|
efree(out_buffer);
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
|
|
*out_len = out_size - out_left;
|
|
out_buffer[*out_len] = '\0';
|
|
*out = out_buffer;
|
|
|
|
iconv_close(cd);
|
|
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
|
|
#else
|
|
/*
|
|
iconv supports errno. Handle it better way.
|
|
*/
|
|
iconv_t cd;
|
|
size_t in_left, out_size, out_left;
|
|
char *out_p, *out_buf, *tmp_buf;
|
|
size_t bsz, result = 0;
|
|
php_iconv_err_t retval = PHP_ICONV_ERR_SUCCESS;
|
|
|
|
*out = NULL;
|
|
*out_len = 0;
|
|
|
|
cd = iconv_open(out_charset, in_charset);
|
|
|
|
if (cd == (iconv_t)(-1)) {
|
|
if (errno == EINVAL) {
|
|
return PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
return PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
}
|
|
in_left= in_len;
|
|
out_left = in_len + 32; /* Avoid realloc() most cases */
|
|
out_size = 0;
|
|
bsz = out_left;
|
|
out_buf = (char *) emalloc(bsz+1);
|
|
out_p = out_buf;
|
|
|
|
while (in_left > 0) {
|
|
result = iconv(cd, (char **) &in_p, &in_left, (char **) &out_p, &out_left);
|
|
out_size = bsz - out_left;
|
|
if (result == (size_t)(-1)) {
|
|
if (errno == E2BIG && in_left > 0) {
|
|
/* converted string is longer than out buffer */
|
|
bsz += in_len;
|
|
|
|
tmp_buf = (char*) erealloc(out_buf, bsz+1);
|
|
out_p = out_buf = tmp_buf;
|
|
out_p += out_size;
|
|
out_left = bsz - out_size;
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (result != (size_t)(-1)) {
|
|
/* flush the shift-out sequences */
|
|
for (;;) {
|
|
result = iconv(cd, NULL, NULL, (char **) &out_p, &out_left);
|
|
out_size = bsz - out_left;
|
|
|
|
if (result != (size_t)(-1)) {
|
|
break;
|
|
}
|
|
|
|
if (errno == E2BIG) {
|
|
bsz += 16;
|
|
tmp_buf = (char *) erealloc(out_buf, bsz);
|
|
|
|
out_p = out_buf = tmp_buf;
|
|
out_p += out_size;
|
|
out_left = bsz - out_size;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
iconv_close(cd);
|
|
|
|
if (result == (size_t)(-1)) {
|
|
switch (errno) {
|
|
case EINVAL:
|
|
retval = PHP_ICONV_ERR_ILLEGAL_CHAR;
|
|
break;
|
|
|
|
case EILSEQ:
|
|
retval = PHP_ICONV_ERR_ILLEGAL_SEQ;
|
|
break;
|
|
|
|
case E2BIG:
|
|
/* should not happen */
|
|
retval = PHP_ICONV_ERR_TOO_BIG;
|
|
break;
|
|
|
|
default:
|
|
/* other error */
|
|
retval = PHP_ICONV_ERR_UNKNOWN;
|
|
efree(out_buf);
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
}
|
|
*out_p = '\0';
|
|
*out = out_buf;
|
|
*out_len = out_size;
|
|
return retval;
|
|
#endif
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ _php_iconv_strlen() */
|
|
static php_iconv_err_t _php_iconv_strlen(unsigned int *pretval, const char *str, size_t nbytes, const char *enc)
|
|
{
|
|
char buf[GENERIC_SUPERSET_NBYTES*2];
|
|
|
|
php_iconv_err_t err = PHP_ICONV_ERR_SUCCESS;
|
|
|
|
iconv_t cd;
|
|
|
|
const char *in_p;
|
|
size_t in_left;
|
|
|
|
char *out_p;
|
|
size_t out_left;
|
|
|
|
unsigned int cnt;
|
|
|
|
*pretval = (unsigned int)-1;
|
|
|
|
cd = iconv_open(GENERIC_SUPERSET_NAME, enc);
|
|
|
|
if (cd == (iconv_t)(-1)) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno == EINVAL) {
|
|
return PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
return PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
#else
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
#endif
|
|
}
|
|
|
|
errno = out_left = 0;
|
|
|
|
for (in_p = str, in_left = nbytes, cnt = 0; in_left > 0; cnt+=2) {
|
|
size_t prev_in_left;
|
|
out_p = buf;
|
|
out_left = sizeof(buf);
|
|
|
|
prev_in_left = in_left;
|
|
|
|
if (iconv(cd, (char **)&in_p, &in_left, (char **) &out_p, &out_left) == (size_t)-1) {
|
|
if (prev_in_left == in_left) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (out_left > 0) {
|
|
cnt -= out_left / GENERIC_SUPERSET_NBYTES;
|
|
}
|
|
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
switch (errno) {
|
|
case EINVAL:
|
|
err = PHP_ICONV_ERR_ILLEGAL_CHAR;
|
|
break;
|
|
|
|
case EILSEQ:
|
|
err = PHP_ICONV_ERR_ILLEGAL_SEQ;
|
|
break;
|
|
|
|
case E2BIG:
|
|
case 0:
|
|
*pretval = cnt;
|
|
break;
|
|
|
|
default:
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
break;
|
|
}
|
|
#else
|
|
*pretval = cnt;
|
|
#endif
|
|
|
|
iconv_close(cd);
|
|
|
|
return err;
|
|
}
|
|
|
|
/* }}} */
|
|
|
|
/* {{{ _php_iconv_substr() */
|
|
static php_iconv_err_t _php_iconv_substr(smart_str *pretval,
|
|
const char *str, size_t nbytes, int offset, int len, const char *enc)
|
|
{
|
|
char buf[GENERIC_SUPERSET_NBYTES];
|
|
|
|
php_iconv_err_t err = PHP_ICONV_ERR_SUCCESS;
|
|
|
|
iconv_t cd1, cd2;
|
|
|
|
const char *in_p;
|
|
size_t in_left;
|
|
|
|
char *out_p;
|
|
size_t out_left;
|
|
|
|
unsigned int cnt;
|
|
int total_len;
|
|
|
|
err = _php_iconv_strlen(&total_len, str, nbytes, enc);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
return err;
|
|
}
|
|
|
|
if (len < 0) {
|
|
if ((len += (total_len - offset)) < 0) {
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
}
|
|
}
|
|
|
|
if (offset < 0) {
|
|
if ((offset += total_len) < 0) {
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
}
|
|
}
|
|
|
|
if(len > total_len) {
|
|
len = total_len;
|
|
}
|
|
|
|
|
|
if (offset >= total_len) {
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
}
|
|
|
|
if ((offset + len) > total_len ) {
|
|
/* trying to compute the length */
|
|
len = total_len - offset;
|
|
}
|
|
|
|
if (len == 0) {
|
|
smart_str_appendl(pretval, "", 0);
|
|
smart_str_0(pretval);
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
}
|
|
|
|
cd1 = iconv_open(GENERIC_SUPERSET_NAME, enc);
|
|
|
|
if (cd1 == (iconv_t)(-1)) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno == EINVAL) {
|
|
return PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
return PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
#else
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
#endif
|
|
}
|
|
|
|
cd2 = (iconv_t)NULL;
|
|
errno = 0;
|
|
|
|
for (in_p = str, in_left = nbytes, cnt = 0; in_left > 0 && len > 0; ++cnt) {
|
|
size_t prev_in_left;
|
|
out_p = buf;
|
|
out_left = sizeof(buf);
|
|
|
|
prev_in_left = in_left;
|
|
|
|
if (iconv(cd1, (char **)&in_p, &in_left, (char **) &out_p, &out_left) == (size_t)-1) {
|
|
if (prev_in_left == in_left) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (cnt >= (unsigned int)offset) {
|
|
if (cd2 == (iconv_t)NULL) {
|
|
cd2 = iconv_open(enc, GENERIC_SUPERSET_NAME);
|
|
|
|
if (cd2 == (iconv_t)(-1)) {
|
|
cd2 = (iconv_t)NULL;
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno == EINVAL) {
|
|
err = PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
err = PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
#else
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (_php_iconv_appendl(pretval, buf, sizeof(buf), cd2) != PHP_ICONV_ERR_SUCCESS) {
|
|
break;
|
|
}
|
|
--len;
|
|
}
|
|
|
|
}
|
|
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
switch (errno) {
|
|
case EINVAL:
|
|
err = PHP_ICONV_ERR_ILLEGAL_CHAR;
|
|
break;
|
|
|
|
case EILSEQ:
|
|
err = PHP_ICONV_ERR_ILLEGAL_SEQ;
|
|
break;
|
|
|
|
case E2BIG:
|
|
break;
|
|
}
|
|
#endif
|
|
if (err == PHP_ICONV_ERR_SUCCESS) {
|
|
if (cd2 != (iconv_t)NULL) {
|
|
_php_iconv_appendl(pretval, NULL, 0, cd2);
|
|
}
|
|
smart_str_0(pretval);
|
|
}
|
|
|
|
if (cd1 != (iconv_t)NULL) {
|
|
iconv_close(cd1);
|
|
}
|
|
|
|
if (cd2 != (iconv_t)NULL) {
|
|
iconv_close(cd2);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
/* }}} */
|
|
|
|
/* {{{ _php_iconv_strpos() */
|
|
static php_iconv_err_t _php_iconv_strpos(unsigned int *pretval,
|
|
const char *haystk, size_t haystk_nbytes,
|
|
const char *ndl, size_t ndl_nbytes,
|
|
int offset, const char *enc)
|
|
{
|
|
char buf[GENERIC_SUPERSET_NBYTES];
|
|
|
|
php_iconv_err_t err = PHP_ICONV_ERR_SUCCESS;
|
|
|
|
iconv_t cd;
|
|
|
|
const char *in_p;
|
|
size_t in_left;
|
|
|
|
char *out_p;
|
|
size_t out_left;
|
|
|
|
unsigned int cnt;
|
|
|
|
char *ndl_buf;
|
|
const char *ndl_buf_p;
|
|
size_t ndl_buf_len, ndl_buf_left;
|
|
|
|
unsigned int match_ofs;
|
|
|
|
*pretval = (unsigned int)-1;
|
|
|
|
err = php_iconv_string(ndl, ndl_nbytes,
|
|
&ndl_buf, &ndl_buf_len, GENERIC_SUPERSET_NAME, enc);
|
|
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
if (ndl_buf != NULL) {
|
|
efree(ndl_buf);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
cd = iconv_open(GENERIC_SUPERSET_NAME, enc);
|
|
|
|
if (cd == (iconv_t)(-1)) {
|
|
if (ndl_buf != NULL) {
|
|
efree(ndl_buf);
|
|
}
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno == EINVAL) {
|
|
return PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
return PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
#else
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
#endif
|
|
}
|
|
|
|
ndl_buf_p = ndl_buf;
|
|
ndl_buf_left = ndl_buf_len;
|
|
match_ofs = (unsigned int)-1;
|
|
|
|
for (in_p = haystk, in_left = haystk_nbytes, cnt = 0; in_left > 0; ++cnt) {
|
|
size_t prev_in_left;
|
|
out_p = buf;
|
|
out_left = sizeof(buf);
|
|
|
|
prev_in_left = in_left;
|
|
|
|
if (iconv(cd, (char **)&in_p, &in_left, (char **) &out_p, &out_left) == (size_t)-1) {
|
|
if (prev_in_left == in_left) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
switch (errno) {
|
|
case EINVAL:
|
|
err = PHP_ICONV_ERR_ILLEGAL_CHAR;
|
|
break;
|
|
|
|
case EILSEQ:
|
|
err = PHP_ICONV_ERR_ILLEGAL_SEQ;
|
|
break;
|
|
|
|
case E2BIG:
|
|
break;
|
|
|
|
default:
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
break;
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
if (offset >= 0) {
|
|
if (cnt >= (unsigned int)offset) {
|
|
if (_php_iconv_memequal(buf, ndl_buf_p, sizeof(buf))) {
|
|
if (match_ofs == (unsigned int)-1) {
|
|
match_ofs = cnt;
|
|
}
|
|
ndl_buf_p += GENERIC_SUPERSET_NBYTES;
|
|
ndl_buf_left -= GENERIC_SUPERSET_NBYTES;
|
|
if (ndl_buf_left == 0) {
|
|
*pretval = match_ofs;
|
|
break;
|
|
}
|
|
} else {
|
|
unsigned int i, j, lim;
|
|
|
|
i = 0;
|
|
j = GENERIC_SUPERSET_NBYTES;
|
|
lim = (unsigned int)(ndl_buf_p - ndl_buf);
|
|
|
|
while (j < lim) {
|
|
if (_php_iconv_memequal(&ndl_buf[j], &ndl_buf[i],
|
|
GENERIC_SUPERSET_NBYTES)) {
|
|
i += GENERIC_SUPERSET_NBYTES;
|
|
} else {
|
|
j -= i;
|
|
i = 0;
|
|
}
|
|
j += GENERIC_SUPERSET_NBYTES;
|
|
}
|
|
|
|
if (_php_iconv_memequal(buf, &ndl_buf[i], sizeof(buf))) {
|
|
match_ofs += (lim - i) / GENERIC_SUPERSET_NBYTES;
|
|
i += GENERIC_SUPERSET_NBYTES;
|
|
ndl_buf_p = &ndl_buf[i];
|
|
ndl_buf_left = ndl_buf_len - i;
|
|
} else {
|
|
match_ofs = (unsigned int)-1;
|
|
ndl_buf_p = ndl_buf;
|
|
ndl_buf_left = ndl_buf_len;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (_php_iconv_memequal(buf, ndl_buf_p, sizeof(buf))) {
|
|
if (match_ofs == (unsigned int)-1) {
|
|
match_ofs = cnt;
|
|
}
|
|
ndl_buf_p += GENERIC_SUPERSET_NBYTES;
|
|
ndl_buf_left -= GENERIC_SUPERSET_NBYTES;
|
|
if (ndl_buf_left == 0) {
|
|
*pretval = match_ofs;
|
|
ndl_buf_p = ndl_buf;
|
|
ndl_buf_left = ndl_buf_len;
|
|
match_ofs = -1;
|
|
}
|
|
} else {
|
|
unsigned int i, j, lim;
|
|
|
|
i = 0;
|
|
j = GENERIC_SUPERSET_NBYTES;
|
|
lim = (unsigned int)(ndl_buf_p - ndl_buf);
|
|
|
|
while (j < lim) {
|
|
if (_php_iconv_memequal(&ndl_buf[j], &ndl_buf[i],
|
|
GENERIC_SUPERSET_NBYTES)) {
|
|
i += GENERIC_SUPERSET_NBYTES;
|
|
} else {
|
|
j -= i;
|
|
i = 0;
|
|
}
|
|
j += GENERIC_SUPERSET_NBYTES;
|
|
}
|
|
|
|
if (_php_iconv_memequal(buf, &ndl_buf[i], sizeof(buf))) {
|
|
match_ofs += (lim - i) / GENERIC_SUPERSET_NBYTES;
|
|
i += GENERIC_SUPERSET_NBYTES;
|
|
ndl_buf_p = &ndl_buf[i];
|
|
ndl_buf_left = ndl_buf_len - i;
|
|
} else {
|
|
match_ofs = (unsigned int)-1;
|
|
ndl_buf_p = ndl_buf;
|
|
ndl_buf_left = ndl_buf_len;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ndl_buf) {
|
|
efree(ndl_buf);
|
|
}
|
|
|
|
iconv_close(cd);
|
|
|
|
return err;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ _php_iconv_mime_encode() */
|
|
static php_iconv_err_t _php_iconv_mime_encode(smart_str *pretval, const char *fname, size_t fname_nbytes, const char *fval, size_t fval_nbytes, unsigned int max_line_len, const char *lfchars, php_iconv_enc_scheme_t enc_scheme, const char *out_charset, const char *enc)
|
|
{
|
|
php_iconv_err_t err = PHP_ICONV_ERR_SUCCESS;
|
|
iconv_t cd = (iconv_t)(-1), cd_pl = (iconv_t)(-1);
|
|
unsigned int char_cnt = 0;
|
|
size_t out_charset_len;
|
|
size_t lfchars_len;
|
|
char *buf = NULL;
|
|
char *encoded = NULL;
|
|
size_t encoded_len;
|
|
const char *in_p;
|
|
size_t in_left;
|
|
char *out_p;
|
|
size_t out_left;
|
|
static int qp_table[256] = {
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0x00 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0x10 */
|
|
3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x20 */
|
|
1, 1, 1, 1, 1, 1, 1 ,1, 1, 1, 1, 1, 1, 3, 1, 3, /* 0x30 */
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x40 */
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, /* 0x50 */
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x60 */
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, /* 0x70 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0x80 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0x90 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0xA0 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0xB0 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0xC0 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0xD0 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0xE0 */
|
|
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 /* 0xF0 */
|
|
};
|
|
|
|
out_charset_len = strlen(out_charset);
|
|
lfchars_len = strlen(lfchars);
|
|
|
|
if ((fname_nbytes + 2) >= max_line_len
|
|
|| (out_charset_len + 12) >= max_line_len) {
|
|
/* field name is too long */
|
|
err = PHP_ICONV_ERR_TOO_BIG;
|
|
goto out;
|
|
}
|
|
|
|
cd_pl = iconv_open(ICONV_ASCII_ENCODING, enc);
|
|
if (cd_pl == (iconv_t)(-1)) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno == EINVAL) {
|
|
err = PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
err = PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
#else
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
#endif
|
|
goto out;
|
|
}
|
|
|
|
cd = iconv_open(out_charset, enc);
|
|
if (cd == (iconv_t)(-1)) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno == EINVAL) {
|
|
err = PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
err = PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
#else
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
#endif
|
|
goto out;
|
|
}
|
|
|
|
buf = safe_emalloc(1, max_line_len, 5);
|
|
|
|
char_cnt = max_line_len;
|
|
|
|
_php_iconv_appendl(pretval, fname, fname_nbytes, cd_pl);
|
|
char_cnt -= fname_nbytes;
|
|
smart_str_appendl(pretval, ": ", sizeof(": ") - 1);
|
|
char_cnt -= 2;
|
|
|
|
in_p = fval;
|
|
in_left = fval_nbytes;
|
|
|
|
do {
|
|
size_t prev_in_left;
|
|
size_t out_size;
|
|
|
|
if (char_cnt < (out_charset_len + 12)) {
|
|
/* lfchars must be encoded in ASCII here*/
|
|
smart_str_appendl(pretval, lfchars, lfchars_len);
|
|
smart_str_appendc(pretval, ' ');
|
|
char_cnt = max_line_len - 1;
|
|
}
|
|
|
|
smart_str_appendl(pretval, "=?", sizeof("=?") - 1);
|
|
char_cnt -= 2;
|
|
smart_str_appendl(pretval, out_charset, out_charset_len);
|
|
char_cnt -= out_charset_len;
|
|
smart_str_appendc(pretval, '?');
|
|
char_cnt --;
|
|
|
|
switch (enc_scheme) {
|
|
case PHP_ICONV_ENC_SCHEME_BASE64: {
|
|
size_t ini_in_left;
|
|
const char *ini_in_p;
|
|
size_t out_reserved = 4;
|
|
int dummy;
|
|
|
|
smart_str_appendc(pretval, 'B');
|
|
char_cnt--;
|
|
smart_str_appendc(pretval, '?');
|
|
char_cnt--;
|
|
|
|
prev_in_left = ini_in_left = in_left;
|
|
ini_in_p = in_p;
|
|
|
|
out_size = (char_cnt - 2) / 4 * 3;
|
|
|
|
for (;;) {
|
|
out_p = buf;
|
|
|
|
if (out_size <= out_reserved) {
|
|
err = PHP_ICONV_ERR_TOO_BIG;
|
|
goto out;
|
|
}
|
|
|
|
out_left = out_size - out_reserved;
|
|
|
|
if (iconv(cd, (char **)&in_p, &in_left, (char **) &out_p, &out_left) == (size_t)-1) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
switch (errno) {
|
|
case EINVAL:
|
|
err = PHP_ICONV_ERR_ILLEGAL_CHAR;
|
|
goto out;
|
|
|
|
case EILSEQ:
|
|
err = PHP_ICONV_ERR_ILLEGAL_SEQ;
|
|
goto out;
|
|
|
|
case E2BIG:
|
|
if (prev_in_left == in_left) {
|
|
err = PHP_ICONV_ERR_TOO_BIG;
|
|
goto out;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
#else
|
|
if (prev_in_left == in_left) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
out_left += out_reserved;
|
|
|
|
if (iconv(cd, NULL, NULL, (char **) &out_p, &out_left) == (size_t)-1) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno != E2BIG) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
#else
|
|
if (out_left != 0) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
#endif
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
if (iconv(cd, NULL, NULL, NULL, NULL) == (size_t)-1) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
|
|
out_reserved += 4;
|
|
in_left = ini_in_left;
|
|
in_p = ini_in_p;
|
|
}
|
|
|
|
prev_in_left = in_left;
|
|
|
|
encoded = (char *) php_base64_encode((unsigned char *) buf, (int)(out_size - out_left), &dummy);
|
|
encoded_len = (size_t)dummy;
|
|
|
|
if (char_cnt < encoded_len) {
|
|
/* something went wrong! */
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
|
|
smart_str_appendl(pretval, encoded, encoded_len);
|
|
char_cnt -= encoded_len;
|
|
smart_str_appendl(pretval, "?=", sizeof("?=") - 1);
|
|
char_cnt -= 2;
|
|
|
|
efree(encoded);
|
|
encoded = NULL;
|
|
} break; /* case PHP_ICONV_ENC_SCHEME_BASE64: */
|
|
|
|
case PHP_ICONV_ENC_SCHEME_QPRINT: {
|
|
size_t ini_in_left;
|
|
const char *ini_in_p;
|
|
const unsigned char *p;
|
|
size_t nbytes_required;
|
|
|
|
smart_str_appendc(pretval, 'Q');
|
|
char_cnt--;
|
|
smart_str_appendc(pretval, '?');
|
|
char_cnt--;
|
|
|
|
prev_in_left = ini_in_left = in_left;
|
|
ini_in_p = in_p;
|
|
|
|
for (out_size = (char_cnt - 2) / 3; out_size > 0;) {
|
|
size_t prev_out_left;
|
|
|
|
nbytes_required = 0;
|
|
|
|
out_p = buf;
|
|
out_left = out_size;
|
|
|
|
if (iconv(cd, (char **)&in_p, &in_left, (char **) &out_p, &out_left) == (size_t)-1) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
switch (errno) {
|
|
case EINVAL:
|
|
err = PHP_ICONV_ERR_ILLEGAL_CHAR;
|
|
goto out;
|
|
|
|
case EILSEQ:
|
|
err = PHP_ICONV_ERR_ILLEGAL_SEQ;
|
|
goto out;
|
|
|
|
case E2BIG:
|
|
if (prev_in_left == in_left) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
#else
|
|
if (prev_in_left == in_left) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
prev_out_left = out_left;
|
|
if (iconv(cd, NULL, NULL, (char **) &out_p, &out_left) == (size_t)-1) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno != E2BIG) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
#else
|
|
if (out_left == prev_out_left) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
for (p = (unsigned char *)buf; p < (unsigned char *)out_p; p++) {
|
|
nbytes_required += qp_table[*p];
|
|
}
|
|
|
|
if (nbytes_required <= char_cnt - 2) {
|
|
break;
|
|
}
|
|
|
|
out_size -= ((nbytes_required - (char_cnt - 2)) + 1) / 3;
|
|
in_left = ini_in_left;
|
|
in_p = ini_in_p;
|
|
}
|
|
|
|
for (p = (unsigned char *)buf; p < (unsigned char *)out_p; p++) {
|
|
if (qp_table[*p] == 1) {
|
|
smart_str_appendc(pretval, *(char *)p);
|
|
char_cnt--;
|
|
} else {
|
|
static char qp_digits[] = "0123456789ABCDEF";
|
|
smart_str_appendc(pretval, '=');
|
|
smart_str_appendc(pretval, qp_digits[(*p >> 4) & 0x0f]);
|
|
smart_str_appendc(pretval, qp_digits[(*p & 0x0f)]);
|
|
char_cnt -= 3;
|
|
}
|
|
}
|
|
|
|
smart_str_appendl(pretval, "?=", sizeof("?=") - 1);
|
|
char_cnt -= 2;
|
|
|
|
if (iconv(cd, NULL, NULL, NULL, NULL) == (size_t)-1) {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
|
|
} break; /* case PHP_ICONV_ENC_SCHEME_QPRINT: */
|
|
}
|
|
} while (in_left > 0);
|
|
|
|
smart_str_0(pretval);
|
|
|
|
out:
|
|
if (cd != (iconv_t)(-1)) {
|
|
iconv_close(cd);
|
|
}
|
|
if (cd_pl != (iconv_t)(-1)) {
|
|
iconv_close(cd_pl);
|
|
}
|
|
if (encoded != NULL) {
|
|
efree(encoded);
|
|
}
|
|
if (buf != NULL) {
|
|
efree(buf);
|
|
}
|
|
return err;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ _php_iconv_mime_decode() */
|
|
static php_iconv_err_t _php_iconv_mime_decode(smart_str *pretval, const char *str, size_t str_nbytes, const char *enc, const char **next_pos, int mode)
|
|
{
|
|
php_iconv_err_t err = PHP_ICONV_ERR_SUCCESS;
|
|
|
|
iconv_t cd = (iconv_t)(-1), cd_pl = (iconv_t)(-1);
|
|
|
|
const char *p1;
|
|
size_t str_left;
|
|
unsigned int scan_stat = 0;
|
|
const char *csname = NULL;
|
|
size_t csname_len;
|
|
const char *encoded_text = NULL;
|
|
size_t encoded_text_len = 0;
|
|
const char *encoded_word = NULL;
|
|
const char *spaces = NULL;
|
|
|
|
php_iconv_enc_scheme_t enc_scheme = PHP_ICONV_ENC_SCHEME_BASE64;
|
|
|
|
if (next_pos != NULL) {
|
|
*next_pos = NULL;
|
|
}
|
|
|
|
cd_pl = iconv_open(enc, ICONV_ASCII_ENCODING);
|
|
|
|
if (cd_pl == (iconv_t)(-1)) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno == EINVAL) {
|
|
err = PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
err = PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
#else
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
#endif
|
|
goto out;
|
|
}
|
|
|
|
p1 = str;
|
|
for (str_left = str_nbytes; str_left > 0; str_left--, p1++) {
|
|
int eos = 0;
|
|
|
|
switch (scan_stat) {
|
|
case 0: /* expecting any character */
|
|
switch (*p1) {
|
|
case '\r': /* part of an EOL sequence? */
|
|
scan_stat = 7;
|
|
break;
|
|
|
|
case '\n':
|
|
scan_stat = 8;
|
|
break;
|
|
|
|
case '=': /* first letter of an encoded chunk */
|
|
encoded_word = p1;
|
|
scan_stat = 1;
|
|
break;
|
|
|
|
case ' ': case '\t': /* a chunk of whitespaces */
|
|
spaces = p1;
|
|
scan_stat = 11;
|
|
break;
|
|
|
|
default: /* first letter of a non-encoded word */
|
|
_php_iconv_appendc(pretval, *p1, cd_pl);
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 1: /* expecting a delimiter */
|
|
if (*p1 != '?') {
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)((p1 + 1) - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
} else {
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
}
|
|
csname = p1 + 1;
|
|
scan_stat = 2;
|
|
break;
|
|
|
|
case 2: /* expecting a charset name */
|
|
switch (*p1) {
|
|
case '?': /* normal delimiter: encoding scheme follows */
|
|
scan_stat = 3;
|
|
break;
|
|
|
|
case '*': /* new style delimiter: locale id follows */
|
|
scan_stat = 10;
|
|
break;
|
|
}
|
|
if (scan_stat != 2) {
|
|
char tmpbuf[80];
|
|
|
|
if (csname == NULL) {
|
|
err = PHP_ICONV_ERR_MALFORMED;
|
|
goto out;
|
|
}
|
|
|
|
csname_len = (size_t)(p1 - csname);
|
|
|
|
if (csname_len > sizeof(tmpbuf) - 1) {
|
|
if ((mode & PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR)) {
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)((p1 + 1) - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
} else {
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
} else {
|
|
err = PHP_ICONV_ERR_MALFORMED;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
memcpy(tmpbuf, csname, csname_len);
|
|
tmpbuf[csname_len] = '\0';
|
|
|
|
if (cd != (iconv_t)(-1)) {
|
|
iconv_close(cd);
|
|
}
|
|
|
|
cd = iconv_open(enc, tmpbuf);
|
|
|
|
if (cd == (iconv_t)(-1)) {
|
|
if ((mode & PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR)) {
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)((p1 + 1) - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
} else {
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
} else {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
if (errno == EINVAL) {
|
|
err = PHP_ICONV_ERR_WRONG_CHARSET;
|
|
} else {
|
|
err = PHP_ICONV_ERR_CONVERTER;
|
|
}
|
|
#else
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
#endif
|
|
goto out;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 3: /* expecting a encoding scheme specifier */
|
|
switch (*p1) {
|
|
case 'b':
|
|
case 'B':
|
|
enc_scheme = PHP_ICONV_ENC_SCHEME_BASE64;
|
|
scan_stat = 4;
|
|
break;
|
|
|
|
case 'q':
|
|
case 'Q':
|
|
enc_scheme = PHP_ICONV_ENC_SCHEME_QPRINT;
|
|
scan_stat = 4;
|
|
break;
|
|
|
|
default:
|
|
if ((mode & PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR)) {
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)((p1 + 1) - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
} else {
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
} else {
|
|
err = PHP_ICONV_ERR_MALFORMED;
|
|
goto out;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 4: /* expecting a delimiter */
|
|
if (*p1 != '?') {
|
|
if ((mode & PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR)) {
|
|
/* pass the entire chunk through the converter */
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)((p1 + 1) - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
} else {
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
} else {
|
|
err = PHP_ICONV_ERR_MALFORMED;
|
|
goto out;
|
|
}
|
|
}
|
|
encoded_text = p1 + 1;
|
|
scan_stat = 5;
|
|
break;
|
|
|
|
case 5: /* expecting an encoded portion */
|
|
if (*p1 == '?') {
|
|
encoded_text_len = (size_t)(p1 - encoded_text);
|
|
scan_stat = 6;
|
|
}
|
|
break;
|
|
|
|
case 7: /* expecting a "\n" character */
|
|
if (*p1 == '\n') {
|
|
scan_stat = 8;
|
|
} else {
|
|
/* bare CR */
|
|
_php_iconv_appendc(pretval, '\r', cd_pl);
|
|
_php_iconv_appendc(pretval, *p1, cd_pl);
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
|
|
case 8: /* checking whether the following line is part of a
|
|
folded header */
|
|
if (*p1 != ' ' && *p1 != '\t') {
|
|
--p1;
|
|
str_left = 1; /* quit_loop */
|
|
break;
|
|
}
|
|
if (encoded_word == NULL) {
|
|
_php_iconv_appendc(pretval, ' ', cd_pl);
|
|
}
|
|
spaces = NULL;
|
|
scan_stat = 11;
|
|
break;
|
|
|
|
case 6: /* expecting a End-Of-Chunk character "=" */
|
|
if (*p1 != '=') {
|
|
if ((mode & PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR)) {
|
|
/* pass the entire chunk through the converter */
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)((p1 + 1) - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
} else {
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
} else {
|
|
err = PHP_ICONV_ERR_MALFORMED;
|
|
goto out;
|
|
}
|
|
}
|
|
scan_stat = 9;
|
|
if (str_left == 1) {
|
|
eos = 1;
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
case 9: /* choice point, seeing what to do next.*/
|
|
switch (*p1) {
|
|
default:
|
|
/* Handle non-RFC-compliant formats
|
|
*
|
|
* RFC2047 requires the character that comes right
|
|
* after an encoded word (chunk) to be a whitespace,
|
|
* while there are lots of broken implementations that
|
|
* generate such malformed headers that don't fulfill
|
|
* that requirement.
|
|
*/
|
|
if (!eos) {
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
/* pass the entire chunk through the converter */
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)((p1 + 1) - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
scan_stat = 12;
|
|
break;
|
|
}
|
|
}
|
|
/* break is omitted intentionally */
|
|
|
|
case '\r': case '\n': case ' ': case '\t': {
|
|
char *decoded_text;
|
|
size_t decoded_text_len;
|
|
int dummy;
|
|
|
|
switch (enc_scheme) {
|
|
case PHP_ICONV_ENC_SCHEME_BASE64:
|
|
decoded_text = (char *)php_base64_decode((unsigned char*)encoded_text, (int)encoded_text_len, &dummy);
|
|
decoded_text_len = (size_t)dummy;
|
|
break;
|
|
|
|
case PHP_ICONV_ENC_SCHEME_QPRINT:
|
|
decoded_text = (char *)php_quot_print_decode((unsigned char*)encoded_text, (int)encoded_text_len, &decoded_text_len, 1);
|
|
break;
|
|
default:
|
|
decoded_text = NULL;
|
|
break;
|
|
}
|
|
|
|
if (decoded_text == NULL) {
|
|
if ((mode & PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR)) {
|
|
/* pass the entire chunk through the converter */
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)((p1 + 1) - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
} else {
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
} else {
|
|
err = PHP_ICONV_ERR_UNKNOWN;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
err = _php_iconv_appendl(pretval, decoded_text, decoded_text_len, cd);
|
|
efree(decoded_text);
|
|
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
if ((mode & PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR)) {
|
|
/* pass the entire chunk through the converter */
|
|
err = _php_iconv_appendl(pretval, encoded_word, (size_t)(p1 - encoded_word), cd_pl);
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
goto out;
|
|
}
|
|
encoded_word = NULL;
|
|
} else {
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (eos) { /* reached end-of-string. done. */
|
|
scan_stat = 0;
|
|
break;
|
|
}
|
|
|
|
switch (*p1) {
|
|
case '\r': /* part of an EOL sequence? */
|
|
scan_stat = 7;
|
|
break;
|
|
|
|
case '\n':
|
|
scan_stat = 8;
|
|
break;
|
|
|
|
case '=': /* first letter of an encoded chunk */
|
|
scan_stat = 1;
|
|
break;
|
|
|
|
case ' ': case '\t': /* medial whitespaces */
|
|
spaces = p1;
|
|
scan_stat = 11;
|
|
break;
|
|
|
|
default: /* first letter of a non-encoded word */
|
|
_php_iconv_appendc(pretval, *p1, cd_pl);
|
|
scan_stat = 12;
|
|
break;
|
|
}
|
|
} break;
|
|
}
|
|
break;
|
|
|
|
case 10: /* expects a language specifier. dismiss it for now */
|
|
if (*p1 == '?') {
|
|
scan_stat = 3;
|
|
}
|
|
break;
|
|
|
|
case 11: /* expecting a chunk of whitespaces */
|
|
switch (*p1) {
|
|
case '\r': /* part of an EOL sequence? */
|
|
scan_stat = 7;
|
|
break;
|
|
|
|
case '\n':
|
|
scan_stat = 8;
|
|
break;
|
|
|
|
case '=': /* first letter of an encoded chunk */
|
|
if (spaces != NULL && encoded_word == NULL) {
|
|
_php_iconv_appendl(pretval, spaces, (size_t)(p1 - spaces), cd_pl);
|
|
spaces = NULL;
|
|
}
|
|
encoded_word = p1;
|
|
scan_stat = 1;
|
|
break;
|
|
|
|
case ' ': case '\t':
|
|
break;
|
|
|
|
default: /* first letter of a non-encoded word */
|
|
if (spaces != NULL) {
|
|
_php_iconv_appendl(pretval, spaces, (size_t)(p1 - spaces), cd_pl);
|
|
spaces = NULL;
|
|
}
|
|
_php_iconv_appendc(pretval, *p1, cd_pl);
|
|
encoded_word = NULL;
|
|
if ((mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
scan_stat = 12;
|
|
} else {
|
|
scan_stat = 0;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 12: /* expecting a non-encoded word */
|
|
switch (*p1) {
|
|
case '\r': /* part of an EOL sequence? */
|
|
scan_stat = 7;
|
|
break;
|
|
|
|
case '\n':
|
|
scan_stat = 8;
|
|
break;
|
|
|
|
case ' ': case '\t':
|
|
spaces = p1;
|
|
scan_stat = 11;
|
|
break;
|
|
|
|
case '=': /* first letter of an encoded chunk */
|
|
if (!(mode & PHP_ICONV_MIME_DECODE_STRICT)) {
|
|
encoded_word = p1;
|
|
scan_stat = 1;
|
|
break;
|
|
}
|
|
/* break is omitted intentionally */
|
|
|
|
default:
|
|
_php_iconv_appendc(pretval, *p1, cd_pl);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
switch (scan_stat) {
|
|
case 0: case 8: case 11: case 12:
|
|
break;
|
|
default:
|
|
if ((mode & PHP_ICONV_MIME_DECODE_CONTINUE_ON_ERROR)) {
|
|
if (scan_stat == 1) {
|
|
_php_iconv_appendc(pretval, '=', cd_pl);
|
|
}
|
|
err = PHP_ICONV_ERR_SUCCESS;
|
|
} else {
|
|
err = PHP_ICONV_ERR_MALFORMED;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (next_pos != NULL) {
|
|
*next_pos = p1;
|
|
}
|
|
|
|
smart_str_0(pretval);
|
|
out:
|
|
if (cd != (iconv_t)(-1)) {
|
|
iconv_close(cd);
|
|
}
|
|
if (cd_pl != (iconv_t)(-1)) {
|
|
iconv_close(cd_pl);
|
|
}
|
|
return err;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_iconv_show_error() */
|
|
static void _php_iconv_show_error(php_iconv_err_t err, const char *out_charset, const char *in_charset TSRMLS_DC)
|
|
{
|
|
switch (err) {
|
|
case PHP_ICONV_ERR_SUCCESS:
|
|
break;
|
|
|
|
case PHP_ICONV_ERR_CONVERTER:
|
|
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Cannot open converter");
|
|
break;
|
|
|
|
case PHP_ICONV_ERR_WRONG_CHARSET:
|
|
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Wrong charset, conversion from `%s' to `%s' is not allowed",
|
|
in_charset, out_charset);
|
|
break;
|
|
|
|
case PHP_ICONV_ERR_ILLEGAL_CHAR:
|
|
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Detected an incomplete multibyte character in input string");
|
|
break;
|
|
|
|
case PHP_ICONV_ERR_ILLEGAL_SEQ:
|
|
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Detected an illegal character in input string");
|
|
break;
|
|
|
|
case PHP_ICONV_ERR_TOO_BIG:
|
|
/* should not happen */
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Buffer length exceeded");
|
|
break;
|
|
|
|
case PHP_ICONV_ERR_MALFORMED:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Malformed string");
|
|
break;
|
|
|
|
default:
|
|
/* other error */
|
|
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unknown error (%d)", errno);
|
|
break;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int iconv_strlen(string str [, string charset])
|
|
Returns the character count of str */
|
|
PHP_FUNCTION(iconv_strlen)
|
|
{
|
|
char *charset = ICONVG(internal_encoding);
|
|
int charset_len = 0;
|
|
char *str;
|
|
int str_len;
|
|
|
|
php_iconv_err_t err;
|
|
|
|
unsigned int retval;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|s",
|
|
&str, &str_len, &charset, &charset_len) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (charset_len >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
err = _php_iconv_strlen(&retval, str, str_len, charset);
|
|
_php_iconv_show_error(err, GENERIC_SUPERSET_NAME, charset TSRMLS_CC);
|
|
if (err == PHP_ICONV_ERR_SUCCESS) {
|
|
RETVAL_LONG(retval);
|
|
} else {
|
|
RETVAL_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string iconv_substr(string str, int offset, [int length, string charset])
|
|
Returns specified part of a string */
|
|
PHP_FUNCTION(iconv_substr)
|
|
{
|
|
char *charset = ICONVG(internal_encoding);
|
|
int charset_len = 0;
|
|
char *str;
|
|
int str_len;
|
|
long offset, length = 0;
|
|
|
|
php_iconv_err_t err;
|
|
|
|
smart_str retval = {0};
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl|ls",
|
|
&str, &str_len, &offset, &length,
|
|
&charset, &charset_len) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (charset_len >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (ZEND_NUM_ARGS() < 3) {
|
|
length = str_len;
|
|
}
|
|
|
|
err = _php_iconv_substr(&retval, str, str_len, offset, length, charset);
|
|
_php_iconv_show_error(err, GENERIC_SUPERSET_NAME, charset TSRMLS_CC);
|
|
|
|
if (err == PHP_ICONV_ERR_SUCCESS && str != NULL && retval.c != NULL) {
|
|
RETURN_STRINGL(retval.c, retval.len, 0);
|
|
}
|
|
smart_str_free(&retval);
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int iconv_strpos(string haystack, string needle [, int offset [, string charset]])
|
|
Finds position of first occurrence of needle within part of haystack beginning with offset */
|
|
PHP_FUNCTION(iconv_strpos)
|
|
{
|
|
char *charset = ICONVG(internal_encoding);
|
|
int charset_len = 0;
|
|
char *haystk;
|
|
int haystk_len;
|
|
char *ndl;
|
|
int ndl_len;
|
|
long offset = 0;
|
|
|
|
php_iconv_err_t err;
|
|
|
|
unsigned int retval;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|ls",
|
|
&haystk, &haystk_len, &ndl, &ndl_len,
|
|
&offset, &charset, &charset_len) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (charset_len >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (offset < 0) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Offset not contained in string.");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (ndl_len < 1) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
err = _php_iconv_strpos(&retval, haystk, haystk_len, ndl, ndl_len,
|
|
offset, charset);
|
|
_php_iconv_show_error(err, GENERIC_SUPERSET_NAME, charset TSRMLS_CC);
|
|
|
|
if (err == PHP_ICONV_ERR_SUCCESS && retval != (unsigned int)-1) {
|
|
RETVAL_LONG((long)retval);
|
|
} else {
|
|
RETVAL_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int iconv_strrpos(string haystack, string needle [, string charset])
|
|
Finds position of last occurrence of needle within part of haystack beginning with offset */
|
|
PHP_FUNCTION(iconv_strrpos)
|
|
{
|
|
char *charset = ICONVG(internal_encoding);
|
|
int charset_len = 0;
|
|
char *haystk;
|
|
int haystk_len;
|
|
char *ndl;
|
|
int ndl_len;
|
|
|
|
php_iconv_err_t err;
|
|
|
|
unsigned int retval;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|s",
|
|
&haystk, &haystk_len, &ndl, &ndl_len,
|
|
&charset, &charset_len) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (ndl_len < 1) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (charset_len >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
err = _php_iconv_strpos(&retval, haystk, haystk_len, ndl, ndl_len,
|
|
-1, charset);
|
|
_php_iconv_show_error(err, GENERIC_SUPERSET_NAME, charset TSRMLS_CC);
|
|
|
|
if (err == PHP_ICONV_ERR_SUCCESS && retval != (unsigned int)-1) {
|
|
RETVAL_LONG((long)retval);
|
|
} else {
|
|
RETVAL_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string iconv_mime_encode(string field_name, string field_value [, array preference])
|
|
Composes a mime header field with field_name and field_value in a specified scheme */
|
|
PHP_FUNCTION(iconv_mime_encode)
|
|
{
|
|
const char *field_name = NULL;
|
|
int field_name_len;
|
|
const char *field_value = NULL;
|
|
int field_value_len;
|
|
zval *pref = NULL;
|
|
zval tmp_zv, *tmp_zv_p = NULL;
|
|
smart_str retval = {0};
|
|
php_iconv_err_t err;
|
|
|
|
const char *in_charset = ICONVG(internal_encoding);
|
|
const char *out_charset = in_charset;
|
|
long line_len = 76;
|
|
const char *lfchars = "\r\n";
|
|
php_iconv_enc_scheme_t scheme_id = PHP_ICONV_ENC_SCHEME_BASE64;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|a",
|
|
&field_name, &field_name_len, &field_value, &field_value_len,
|
|
&pref) == FAILURE) {
|
|
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (pref != NULL) {
|
|
zval **ppval;
|
|
|
|
if (zend_hash_find(Z_ARRVAL_P(pref), "scheme", sizeof("scheme"), (void **)&ppval) == SUCCESS) {
|
|
if (Z_TYPE_PP(ppval) == IS_STRING && Z_STRLEN_PP(ppval) > 0) {
|
|
switch (Z_STRVAL_PP(ppval)[0]) {
|
|
case 'B': case 'b':
|
|
scheme_id = PHP_ICONV_ENC_SCHEME_BASE64;
|
|
break;
|
|
|
|
case 'Q': case 'q':
|
|
scheme_id = PHP_ICONV_ENC_SCHEME_QPRINT;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (zend_hash_find(Z_ARRVAL_P(pref), "input-charset", sizeof("input-charset"), (void **)&ppval) == SUCCESS) {
|
|
if (Z_STRLEN_PP(ppval) >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (Z_TYPE_PP(ppval) == IS_STRING && Z_STRLEN_PP(ppval) > 0) {
|
|
in_charset = Z_STRVAL_PP(ppval);
|
|
}
|
|
}
|
|
|
|
|
|
if (zend_hash_find(Z_ARRVAL_P(pref), "output-charset", sizeof("output-charset"), (void **)&ppval) == SUCCESS) {
|
|
if (Z_STRLEN_PP(ppval) >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (Z_TYPE_PP(ppval) == IS_STRING && Z_STRLEN_PP(ppval) > 0) {
|
|
out_charset = Z_STRVAL_PP(ppval);
|
|
}
|
|
}
|
|
|
|
if (zend_hash_find(Z_ARRVAL_P(pref), "line-length", sizeof("line-length"), (void **)&ppval) == SUCCESS) {
|
|
zval val, *pval = *ppval;
|
|
|
|
if (Z_TYPE_P(pval) != IS_LONG) {
|
|
val = *pval;
|
|
zval_copy_ctor(&val);
|
|
convert_to_long(&val);
|
|
pval = &val;
|
|
}
|
|
|
|
line_len = Z_LVAL_P(pval);
|
|
|
|
if (pval == &val) {
|
|
zval_dtor(&val);
|
|
}
|
|
}
|
|
|
|
if (zend_hash_find(Z_ARRVAL_P(pref), "line-break-chars", sizeof("line-break-chars"), (void **)&ppval) == SUCCESS) {
|
|
if (Z_TYPE_PP(ppval) != IS_STRING) {
|
|
tmp_zv = **ppval;
|
|
zval_copy_ctor(&tmp_zv);
|
|
convert_to_string(&tmp_zv);
|
|
|
|
lfchars = Z_STRVAL(tmp_zv);
|
|
|
|
tmp_zv_p = &tmp_zv;
|
|
} else {
|
|
lfchars = Z_STRVAL_PP(ppval);
|
|
}
|
|
}
|
|
}
|
|
|
|
err = _php_iconv_mime_encode(&retval, field_name, field_name_len,
|
|
field_value, field_value_len, line_len, lfchars, scheme_id,
|
|
out_charset, in_charset);
|
|
_php_iconv_show_error(err, out_charset, in_charset TSRMLS_CC);
|
|
|
|
if (err == PHP_ICONV_ERR_SUCCESS) {
|
|
if (retval.c != NULL) {
|
|
RETVAL_STRINGL(retval.c, retval.len, 0);
|
|
} else {
|
|
RETVAL_EMPTY_STRING();
|
|
}
|
|
} else {
|
|
smart_str_free(&retval);
|
|
RETVAL_FALSE;
|
|
}
|
|
|
|
if (tmp_zv_p != NULL) {
|
|
zval_dtor(tmp_zv_p);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string iconv_mime_decode(string encoded_string [, int mode, string charset])
|
|
Decodes a mime header field */
|
|
PHP_FUNCTION(iconv_mime_decode)
|
|
{
|
|
char *encoded_str;
|
|
int encoded_str_len;
|
|
char *charset = ICONVG(internal_encoding);
|
|
int charset_len = 0;
|
|
long mode = 0;
|
|
|
|
smart_str retval = {0};
|
|
|
|
php_iconv_err_t err;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ls",
|
|
&encoded_str, &encoded_str_len, &mode, &charset, &charset_len) == FAILURE) {
|
|
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (charset_len >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
err = _php_iconv_mime_decode(&retval, encoded_str, encoded_str_len, charset, NULL, mode);
|
|
_php_iconv_show_error(err, charset, "???" TSRMLS_CC);
|
|
|
|
if (err == PHP_ICONV_ERR_SUCCESS) {
|
|
if (retval.c != NULL) {
|
|
RETVAL_STRINGL(retval.c, retval.len, 0);
|
|
} else {
|
|
RETVAL_EMPTY_STRING();
|
|
}
|
|
} else {
|
|
smart_str_free(&retval);
|
|
RETVAL_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array iconv_mime_decode_headers(string headers [, int mode, string charset])
|
|
Decodes multiple mime header fields */
|
|
PHP_FUNCTION(iconv_mime_decode_headers)
|
|
{
|
|
const char *encoded_str;
|
|
int encoded_str_len;
|
|
char *charset = ICONVG(internal_encoding);
|
|
int charset_len = 0;
|
|
long mode = 0;
|
|
|
|
php_iconv_err_t err = PHP_ICONV_ERR_SUCCESS;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ls",
|
|
&encoded_str, &encoded_str_len, &mode, &charset, &charset_len) == FAILURE) {
|
|
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (charset_len >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
array_init(return_value);
|
|
|
|
while (encoded_str_len > 0) {
|
|
smart_str decoded_header = {0};
|
|
char *header_name = NULL;
|
|
size_t header_name_len = 0;
|
|
char *header_value = NULL;
|
|
size_t header_value_len = 0;
|
|
char *p, *limit;
|
|
const char *next_pos;
|
|
|
|
if (PHP_ICONV_ERR_SUCCESS != (err = _php_iconv_mime_decode(&decoded_header, encoded_str, encoded_str_len, charset, &next_pos, mode))) {
|
|
smart_str_free(&decoded_header);
|
|
break;
|
|
}
|
|
|
|
if (decoded_header.c == NULL) {
|
|
break;
|
|
}
|
|
|
|
limit = decoded_header.c + decoded_header.len;
|
|
for (p = decoded_header.c; p < limit; p++) {
|
|
if (*p == ':') {
|
|
*p = '\0';
|
|
header_name = decoded_header.c;
|
|
header_name_len = (p - decoded_header.c) + 1;
|
|
|
|
while (++p < limit) {
|
|
if (*p != ' ' && *p != '\t') {
|
|
break;
|
|
}
|
|
}
|
|
|
|
header_value = p;
|
|
header_value_len = limit - p;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (header_name != NULL) {
|
|
zval **elem, *new_elem;
|
|
|
|
if (zend_hash_find(Z_ARRVAL_P(return_value), header_name, header_name_len, (void **)&elem) == SUCCESS) {
|
|
if (Z_TYPE_PP(elem) != IS_ARRAY) {
|
|
MAKE_STD_ZVAL(new_elem);
|
|
array_init(new_elem);
|
|
|
|
Z_ADDREF_PP(elem);
|
|
add_next_index_zval(new_elem, *elem);
|
|
|
|
zend_hash_update(Z_ARRVAL_P(return_value), header_name, header_name_len, (void *)&new_elem, sizeof(new_elem), NULL);
|
|
|
|
elem = &new_elem;
|
|
}
|
|
add_next_index_stringl(*elem, header_value, header_value_len, 1);
|
|
} else {
|
|
add_assoc_stringl_ex(return_value, header_name, header_name_len, header_value, header_value_len, 1);
|
|
}
|
|
}
|
|
encoded_str_len -= next_pos - encoded_str;
|
|
encoded_str = next_pos;
|
|
|
|
smart_str_free(&decoded_header);
|
|
}
|
|
|
|
if (err != PHP_ICONV_ERR_SUCCESS) {
|
|
_php_iconv_show_error(err, charset, "???" TSRMLS_CC);
|
|
zval_dtor(return_value);
|
|
RETVAL_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string iconv(string in_charset, string out_charset, string str)
|
|
Returns str converted to the out_charset character set */
|
|
PHP_NAMED_FUNCTION(php_if_iconv)
|
|
{
|
|
char *in_charset, *out_charset, *in_buffer, *out_buffer;
|
|
size_t out_len;
|
|
int in_charset_len = 0, out_charset_len = 0, in_buffer_len;
|
|
php_iconv_err_t err;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss",
|
|
&in_charset, &in_charset_len, &out_charset, &out_charset_len, &in_buffer, &in_buffer_len) == FAILURE)
|
|
return;
|
|
|
|
if (in_charset_len >= ICONV_CSNMAXLEN || out_charset_len >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
err = php_iconv_string(in_buffer, (size_t)in_buffer_len,
|
|
&out_buffer, &out_len, out_charset, in_charset);
|
|
_php_iconv_show_error(err, out_charset, in_charset TSRMLS_CC);
|
|
if (out_buffer != NULL) {
|
|
RETVAL_STRINGL(out_buffer, out_len, 0);
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool iconv_set_encoding(string type, string charset)
|
|
Sets internal encoding and output encoding for ob_iconv_handler() */
|
|
PHP_FUNCTION(iconv_set_encoding)
|
|
{
|
|
char *type, *charset;
|
|
int type_len, charset_len =0, retval;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &type, &type_len, &charset, &charset_len) == FAILURE)
|
|
return;
|
|
|
|
if (charset_len >= ICONV_CSNMAXLEN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Charset parameter exceeds the maximum allowed length of %d characters", ICONV_CSNMAXLEN);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if(!strcasecmp("input_encoding", type)) {
|
|
retval = zend_alter_ini_entry("iconv.input_encoding", sizeof("iconv.input_encoding"), charset, charset_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
|
|
} else if(!strcasecmp("output_encoding", type)) {
|
|
retval = zend_alter_ini_entry("iconv.output_encoding", sizeof("iconv.output_encoding"), charset, charset_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
|
|
} else if(!strcasecmp("internal_encoding", type)) {
|
|
retval = zend_alter_ini_entry("iconv.internal_encoding", sizeof("iconv.internal_encoding"), charset, charset_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (retval == SUCCESS) {
|
|
RETURN_TRUE;
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto mixed iconv_get_encoding([string type])
|
|
Get internal encoding and output encoding for ob_iconv_handler() */
|
|
PHP_FUNCTION(iconv_get_encoding)
|
|
{
|
|
char *type = "all";
|
|
int type_len = sizeof("all")-1;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &type, &type_len) == FAILURE)
|
|
return;
|
|
|
|
if (!strcasecmp("all", type)) {
|
|
array_init(return_value);
|
|
add_assoc_string(return_value, "input_encoding", ICONVG(input_encoding), 1);
|
|
add_assoc_string(return_value, "output_encoding", ICONVG(output_encoding), 1);
|
|
add_assoc_string(return_value, "internal_encoding", ICONVG(internal_encoding), 1);
|
|
} else if (!strcasecmp("input_encoding", type)) {
|
|
RETVAL_STRING(ICONVG(input_encoding), 1);
|
|
} else if (!strcasecmp("output_encoding", type)) {
|
|
RETVAL_STRING(ICONVG(output_encoding), 1);
|
|
} else if (!strcasecmp("internal_encoding", type)) {
|
|
RETVAL_STRING(ICONVG(internal_encoding), 1);
|
|
} else {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ iconv stream filter */
|
|
typedef struct _php_iconv_stream_filter {
|
|
iconv_t cd;
|
|
int persistent;
|
|
char *to_charset;
|
|
size_t to_charset_len;
|
|
char *from_charset;
|
|
size_t from_charset_len;
|
|
char stub[128];
|
|
size_t stub_len;
|
|
} php_iconv_stream_filter;
|
|
/* }}} iconv stream filter */
|
|
|
|
/* {{{ php_iconv_stream_filter_dtor */
|
|
static void php_iconv_stream_filter_dtor(php_iconv_stream_filter *self)
|
|
{
|
|
iconv_close(self->cd);
|
|
pefree(self->to_charset, self->persistent);
|
|
pefree(self->from_charset, self->persistent);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_iconv_stream_filter_ctor() */
|
|
static php_iconv_err_t php_iconv_stream_filter_ctor(php_iconv_stream_filter *self,
|
|
const char *to_charset, size_t to_charset_len,
|
|
const char *from_charset, size_t from_charset_len, int persistent)
|
|
{
|
|
if (NULL == (self->to_charset = pemalloc(to_charset_len + 1, persistent))) {
|
|
return PHP_ICONV_ERR_ALLOC;
|
|
}
|
|
self->to_charset_len = to_charset_len;
|
|
if (NULL == (self->from_charset = pemalloc(from_charset_len + 1, persistent))) {
|
|
pefree(self->to_charset, persistent);
|
|
return PHP_ICONV_ERR_ALLOC;
|
|
}
|
|
self->from_charset_len = from_charset_len;
|
|
|
|
memcpy(self->to_charset, to_charset, to_charset_len);
|
|
self->to_charset[to_charset_len] = '\0';
|
|
memcpy(self->from_charset, from_charset, from_charset_len);
|
|
self->from_charset[from_charset_len] = '\0';
|
|
|
|
if ((iconv_t)-1 == (self->cd = iconv_open(self->to_charset, self->from_charset))) {
|
|
pefree(self->from_charset, persistent);
|
|
pefree(self->to_charset, persistent);
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
self->persistent = persistent;
|
|
self->stub_len = 0;
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_iconv_stream_filter_append_bucket */
|
|
static int php_iconv_stream_filter_append_bucket(
|
|
php_iconv_stream_filter *self,
|
|
php_stream *stream, php_stream_filter *filter,
|
|
php_stream_bucket_brigade *buckets_out,
|
|
const char *ps, size_t buf_len, size_t *consumed,
|
|
int persistent TSRMLS_DC)
|
|
{
|
|
php_stream_bucket *new_bucket;
|
|
char *out_buf = NULL;
|
|
size_t out_buf_size;
|
|
char *pd, *pt;
|
|
size_t ocnt, prev_ocnt, icnt, tcnt;
|
|
size_t initial_out_buf_size;
|
|
|
|
if (ps == NULL) {
|
|
initial_out_buf_size = 64;
|
|
icnt = 1;
|
|
} else {
|
|
initial_out_buf_size = buf_len;
|
|
icnt = buf_len;
|
|
}
|
|
|
|
out_buf_size = ocnt = prev_ocnt = initial_out_buf_size;
|
|
if (NULL == (out_buf = pemalloc(out_buf_size, persistent))) {
|
|
return FAILURE;
|
|
}
|
|
|
|
pd = out_buf;
|
|
|
|
if (self->stub_len > 0) {
|
|
pt = self->stub;
|
|
tcnt = self->stub_len;
|
|
|
|
while (tcnt > 0) {
|
|
if (iconv(self->cd, &pt, &tcnt, &pd, &ocnt) == (size_t)-1) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
switch (errno) {
|
|
case EILSEQ:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): invalid multibyte sequence", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
|
|
case EINVAL:
|
|
if (ps != NULL) {
|
|
if (icnt > 0) {
|
|
if (self->stub_len >= sizeof(self->stub)) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): insufficient buffer", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
}
|
|
self->stub[self->stub_len++] = *(ps++);
|
|
icnt--;
|
|
pt = self->stub;
|
|
tcnt = self->stub_len;
|
|
} else {
|
|
tcnt = 0;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case E2BIG: {
|
|
char *new_out_buf;
|
|
size_t new_out_buf_size;
|
|
|
|
new_out_buf_size = out_buf_size << 1;
|
|
|
|
if (new_out_buf_size < out_buf_size) {
|
|
/* whoa! no bigger buckets are sold anywhere... */
|
|
if (NULL == (new_bucket = php_stream_bucket_new(stream, out_buf, (out_buf_size - ocnt), 1, persistent TSRMLS_CC))) {
|
|
goto out_failure;
|
|
}
|
|
|
|
php_stream_bucket_append(buckets_out, new_bucket TSRMLS_CC);
|
|
|
|
out_buf_size = ocnt = initial_out_buf_size;
|
|
if (NULL == (out_buf = pemalloc(out_buf_size, persistent))) {
|
|
return FAILURE;
|
|
}
|
|
pd = out_buf;
|
|
} else {
|
|
if (NULL == (new_out_buf = perealloc(out_buf, new_out_buf_size, persistent))) {
|
|
if (NULL == (new_bucket = php_stream_bucket_new(stream, out_buf, (out_buf_size - ocnt), 1, persistent TSRMLS_CC))) {
|
|
goto out_failure;
|
|
}
|
|
|
|
php_stream_bucket_append(buckets_out, new_bucket TSRMLS_CC);
|
|
return FAILURE;
|
|
}
|
|
pd = new_out_buf + (pd - out_buf);
|
|
ocnt += (new_out_buf_size - out_buf_size);
|
|
out_buf = new_out_buf;
|
|
out_buf_size = new_out_buf_size;
|
|
}
|
|
} break;
|
|
|
|
default:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): unknown error", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
}
|
|
#else
|
|
if (ocnt == prev_ocnt) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): unknown error", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
}
|
|
#endif
|
|
}
|
|
prev_ocnt = ocnt;
|
|
}
|
|
memmove(self->stub, pt, tcnt);
|
|
self->stub_len = tcnt;
|
|
}
|
|
|
|
while (icnt > 0) {
|
|
if ((ps == NULL ? iconv(self->cd, NULL, NULL, &pd, &ocnt):
|
|
iconv(self->cd, (char **)&ps, &icnt, &pd, &ocnt)) == (size_t)-1) {
|
|
#if ICONV_SUPPORTS_ERRNO
|
|
switch (errno) {
|
|
case EILSEQ:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): invalid multibyte sequence", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
|
|
case EINVAL:
|
|
if (ps != NULL) {
|
|
if (icnt > sizeof(self->stub)) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): insufficient buffer", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
}
|
|
memcpy(self->stub, ps, icnt);
|
|
self->stub_len = icnt;
|
|
ps += icnt;
|
|
icnt = 0;
|
|
} else {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): unexpected octet values", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
}
|
|
break;
|
|
|
|
case E2BIG: {
|
|
char *new_out_buf;
|
|
size_t new_out_buf_size;
|
|
|
|
new_out_buf_size = out_buf_size << 1;
|
|
|
|
if (new_out_buf_size < out_buf_size) {
|
|
/* whoa! no bigger buckets are sold anywhere... */
|
|
if (NULL == (new_bucket = php_stream_bucket_new(stream, out_buf, (out_buf_size - ocnt), 1, persistent TSRMLS_CC))) {
|
|
goto out_failure;
|
|
}
|
|
|
|
php_stream_bucket_append(buckets_out, new_bucket TSRMLS_CC);
|
|
|
|
out_buf_size = ocnt = initial_out_buf_size;
|
|
if (NULL == (out_buf = pemalloc(out_buf_size, persistent))) {
|
|
return FAILURE;
|
|
}
|
|
pd = out_buf;
|
|
} else {
|
|
if (NULL == (new_out_buf = perealloc(out_buf, new_out_buf_size, persistent))) {
|
|
if (NULL == (new_bucket = php_stream_bucket_new(stream, out_buf, (out_buf_size - ocnt), 1, persistent TSRMLS_CC))) {
|
|
goto out_failure;
|
|
}
|
|
|
|
php_stream_bucket_append(buckets_out, new_bucket TSRMLS_CC);
|
|
return FAILURE;
|
|
}
|
|
pd = new_out_buf + (pd - out_buf);
|
|
ocnt += (new_out_buf_size - out_buf_size);
|
|
out_buf = new_out_buf;
|
|
out_buf_size = new_out_buf_size;
|
|
}
|
|
} break;
|
|
|
|
default:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): unknown error", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
}
|
|
#else
|
|
if (ocnt == prev_ocnt) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "iconv stream filter (\"%s\"=>\"%s\"): unknown error", self->from_charset, self->to_charset);
|
|
goto out_failure;
|
|
}
|
|
#endif
|
|
} else {
|
|
if (ps == NULL) {
|
|
break;
|
|
}
|
|
}
|
|
prev_ocnt = ocnt;
|
|
}
|
|
|
|
if (out_buf_size - ocnt > 0) {
|
|
if (NULL == (new_bucket = php_stream_bucket_new(stream, out_buf, (out_buf_size - ocnt), 1, persistent TSRMLS_CC))) {
|
|
goto out_failure;
|
|
}
|
|
php_stream_bucket_append(buckets_out, new_bucket TSRMLS_CC);
|
|
} else {
|
|
pefree(out_buf, persistent);
|
|
}
|
|
*consumed += buf_len - icnt;
|
|
|
|
return SUCCESS;
|
|
|
|
out_failure:
|
|
pefree(out_buf, persistent);
|
|
return FAILURE;
|
|
}
|
|
/* }}} php_iconv_stream_filter_append_bucket */
|
|
|
|
/* {{{ php_iconv_stream_filter_do_filter */
|
|
static php_stream_filter_status_t php_iconv_stream_filter_do_filter(
|
|
php_stream *stream, php_stream_filter *filter,
|
|
php_stream_bucket_brigade *buckets_in,
|
|
php_stream_bucket_brigade *buckets_out,
|
|
size_t *bytes_consumed, int flags TSRMLS_DC)
|
|
{
|
|
php_stream_bucket *bucket = NULL;
|
|
size_t consumed = 0;
|
|
php_iconv_stream_filter *self = (php_iconv_stream_filter *)filter->abstract;
|
|
|
|
while (buckets_in->head != NULL) {
|
|
bucket = buckets_in->head;
|
|
|
|
php_stream_bucket_unlink(bucket TSRMLS_CC);
|
|
|
|
if (php_iconv_stream_filter_append_bucket(self, stream, filter,
|
|
buckets_out, bucket->buf, bucket->buflen, &consumed,
|
|
php_stream_is_persistent(stream) TSRMLS_CC) != SUCCESS) {
|
|
goto out_failure;
|
|
}
|
|
|
|
php_stream_bucket_delref(bucket TSRMLS_CC);
|
|
}
|
|
|
|
if (flags != PSFS_FLAG_NORMAL) {
|
|
if (php_iconv_stream_filter_append_bucket(self, stream, filter,
|
|
buckets_out, NULL, 0, &consumed,
|
|
php_stream_is_persistent(stream) TSRMLS_CC) != SUCCESS) {
|
|
goto out_failure;
|
|
}
|
|
}
|
|
|
|
if (bytes_consumed != NULL) {
|
|
*bytes_consumed = consumed;
|
|
}
|
|
|
|
return PSFS_PASS_ON;
|
|
|
|
out_failure:
|
|
if (bucket != NULL) {
|
|
php_stream_bucket_delref(bucket TSRMLS_CC);
|
|
}
|
|
return PSFS_ERR_FATAL;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_iconv_stream_filter_cleanup */
|
|
static void php_iconv_stream_filter_cleanup(php_stream_filter *filter TSRMLS_DC)
|
|
{
|
|
php_iconv_stream_filter_dtor((php_iconv_stream_filter *)filter->abstract);
|
|
pefree(filter->abstract, ((php_iconv_stream_filter *)filter->abstract)->persistent);
|
|
}
|
|
/* }}} */
|
|
|
|
static php_stream_filter_ops php_iconv_stream_filter_ops = {
|
|
php_iconv_stream_filter_do_filter,
|
|
php_iconv_stream_filter_cleanup,
|
|
"convert.iconv.*"
|
|
};
|
|
|
|
/* {{{ php_iconv_stream_filter_create */
|
|
static php_stream_filter *php_iconv_stream_filter_factory_create(const char *name, zval *params, int persistent TSRMLS_DC)
|
|
{
|
|
php_stream_filter *retval = NULL;
|
|
php_iconv_stream_filter *inst;
|
|
char *from_charset = NULL, *to_charset = NULL;
|
|
size_t from_charset_len, to_charset_len;
|
|
|
|
if ((from_charset = strchr(name, '.')) == NULL) {
|
|
return NULL;
|
|
}
|
|
++from_charset;
|
|
if ((from_charset = strchr(from_charset, '.')) == NULL) {
|
|
return NULL;
|
|
}
|
|
++from_charset;
|
|
if ((to_charset = strpbrk(from_charset, "/.")) == NULL) {
|
|
return NULL;
|
|
}
|
|
from_charset_len = to_charset - from_charset;
|
|
++to_charset;
|
|
to_charset_len = strlen(to_charset);
|
|
|
|
if (from_charset_len >= ICONV_CSNMAXLEN || to_charset_len >= ICONV_CSNMAXLEN) {
|
|
return NULL;
|
|
}
|
|
|
|
if (NULL == (inst = pemalloc(sizeof(php_iconv_stream_filter), persistent))) {
|
|
return NULL;
|
|
}
|
|
|
|
if (php_iconv_stream_filter_ctor(inst, to_charset, to_charset_len, from_charset, from_charset_len, persistent) != PHP_ICONV_ERR_SUCCESS) {
|
|
pefree(inst, persistent);
|
|
return NULL;
|
|
}
|
|
|
|
if (NULL == (retval = php_stream_filter_alloc(&php_iconv_stream_filter_ops, inst, persistent))) {
|
|
php_iconv_stream_filter_dtor(inst);
|
|
pefree(inst, persistent);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_iconv_stream_register_factory */
|
|
static php_iconv_err_t php_iconv_stream_filter_register_factory(TSRMLS_D)
|
|
{
|
|
static php_stream_filter_factory filter_factory = {
|
|
php_iconv_stream_filter_factory_create
|
|
};
|
|
|
|
if (FAILURE == php_stream_filter_register_factory(
|
|
php_iconv_stream_filter_ops.label,
|
|
&filter_factory TSRMLS_CC)) {
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_iconv_stream_unregister_factory */
|
|
static php_iconv_err_t php_iconv_stream_filter_unregister_factory(TSRMLS_D)
|
|
{
|
|
if (FAILURE == php_stream_filter_unregister_factory(
|
|
php_iconv_stream_filter_ops.label TSRMLS_CC)) {
|
|
return PHP_ICONV_ERR_UNKNOWN;
|
|
}
|
|
return PHP_ICONV_ERR_SUCCESS;
|
|
}
|
|
/* }}} */
|
|
/* }}} */
|
|
#endif
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|