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110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
/*
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+----------------------------------------------------------------------+
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| phar php single-file executable PHP extension |
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+----------------------------------------------------------------------+
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| Copyright (c) 2007-2016 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: Marcus Boerger <helly@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "phar_internal.h"
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phar_path_check_result phar_path_check(char **s, int *len, const char **error)
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{
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const unsigned char *p = (const unsigned char*)*s;
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const unsigned char *m;
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if (*len == 1 && *p == '.') {
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*error = "current directory reference";
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return pcr_err_curr_dir;
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} else if (*len == 2 && p[0] == '.' && p[1] == '.') {
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*error = "upper directory reference";
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return pcr_err_up_dir;
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}
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#define YYCTYPE unsigned char
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#define YYCURSOR p
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#define YYLIMIT p+*len
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#define YYMARKER m
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#define YYFILL(n)
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loop:
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/*!re2c
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END = "\x00";
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UTF8T = [\x80-\xBF] ;
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UTF8_1 = [\x1A-\x7F] ;
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UTF8_2 = [\xC2-\xDF] UTF8T ;
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UTF8_3A = "\xE0" [\xA0-\xBF] UTF8T ;
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UTF8_3B = [\xE1-\xEC] UTF8T{2} ;
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UTF8_3C = "\xED" [\x80-\x9F] UTF8T ;
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UTF8_3D = [\xEE-\xEF] UTF8T{2} ;
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UTF8_3 = UTF8_3A | UTF8_3B | UTF8_3C | UTF8_3D ;
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UTF8_4A = "\xF0"[\x90-\xBF] UTF8T{2} ;
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UTF8_4B = [\xF1-\xF3] UTF8T{3} ;
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UTF8_4C = "\xF4" [\x80-\x8F] UTF8T{2} ;
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UTF8_4 = UTF8_4A | UTF8_4B | UTF8_4C ;
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UTF8 = UTF8_1 | UTF8_2 | UTF8_3 | UTF8_4 ;
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EOS = "/" | END;
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ANY = .;
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"//" {
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*error = "double slash";
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return pcr_err_double_slash;
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}
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"/.." EOS {
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*error = "upper directory reference";
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return pcr_err_up_dir;
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}
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"/." EOS {
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*error = "current directory reference";
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return pcr_err_curr_dir;
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}
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"\\" {
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*error = "back-slash";
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return pcr_err_back_slash;
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}
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"*" {
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*error = "star";
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return pcr_err_star;
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}
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"?" {
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if (**s == '/') {
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(*s)++;
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}
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*len = (p - (const unsigned char*)*s) -1;
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*error = NULL;
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return pcr_use_query;
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}
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UTF8 {
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goto loop;
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}
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END {
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if (**s == '/') {
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(*s)++;
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(*len)--;
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}
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if ((p - (const unsigned char*)*s) - 1 != *len)
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{
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*error ="illegal character";
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return pcr_err_illegal_char;
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}
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*error = NULL;
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return pcr_is_ok;
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}
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ANY {
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*error ="illegal character";
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return pcr_err_illegal_char;
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}
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*/
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}
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