mirror of
https://github.com/php/php-src.git
synced 2024-11-29 04:46:07 +08:00
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
/*
|
|
+----------------------------------------------------------------------+
|
|
| phar php single-file executable PHP extension |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 2007-2015 The PHP Group |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 3.01 of the PHP license, |
|
|
| that is bundled with this package in the file LICENSE, and is |
|
|
| available through the world-wide-web at the following url: |
|
|
| http://www.php.net/license/3_01.txt. |
|
|
| If you did not receive a copy of the PHP license and are unable to |
|
|
| obtain it through the world-wide-web, please send a note to |
|
|
| license@php.net so we can mail you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
| Authors: Marcus Boerger <helly@php.net> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
/* $Id$ */
|
|
|
|
#include "phar_internal.h"
|
|
|
|
phar_path_check_result phar_path_check(char **s, int *len, const char **error)
|
|
{
|
|
const unsigned char *p = (const unsigned char*)*s;
|
|
const unsigned char *m;
|
|
|
|
if (*len == 1 && *p == '.') {
|
|
*error = "current directory reference";
|
|
return pcr_err_curr_dir;
|
|
} else if (*len == 2 && p[0] == '.' && p[1] == '.') {
|
|
*error = "upper directory reference";
|
|
return pcr_err_up_dir;
|
|
}
|
|
|
|
#define YYCTYPE unsigned char
|
|
#define YYCURSOR p
|
|
#define YYLIMIT p+*len
|
|
#define YYMARKER m
|
|
#define YYFILL(n)
|
|
|
|
loop:
|
|
/*!re2c
|
|
END = "\x00";
|
|
UTF8T = [\x80-\xBF] ;
|
|
UTF8_1 = [\x1A-\x7F] ;
|
|
UTF8_2 = [\xC2-\xDF] UTF8T ;
|
|
UTF8_3A = "\xE0" [\xA0-\xBF] UTF8T ;
|
|
UTF8_3B = [\xE1-\xEC] UTF8T{2} ;
|
|
UTF8_3C = "\xED" [\x80-\x9F] UTF8T ;
|
|
UTF8_3D = [\xEE-\xEF] UTF8T{2} ;
|
|
UTF8_3 = UTF8_3A | UTF8_3B | UTF8_3C | UTF8_3D ;
|
|
UTF8_4A = "\xF0"[\x90-\xBF] UTF8T{2} ;
|
|
UTF8_4B = [\xF1-\xF3] UTF8T{3} ;
|
|
UTF8_4C = "\xF4" [\x80-\x8F] UTF8T{2} ;
|
|
UTF8_4 = UTF8_4A | UTF8_4B | UTF8_4C ;
|
|
UTF8 = UTF8_1 | UTF8_2 | UTF8_3 | UTF8_4 ;
|
|
EOS = "/" | END;
|
|
ANY = .;
|
|
"//" {
|
|
*error = "double slash";
|
|
return pcr_err_double_slash;
|
|
}
|
|
"/.." EOS {
|
|
*error = "upper directory reference";
|
|
return pcr_err_up_dir;
|
|
}
|
|
"/." EOS {
|
|
*error = "current directory reference";
|
|
return pcr_err_curr_dir;
|
|
}
|
|
"\\" {
|
|
*error = "back-slash";
|
|
return pcr_err_back_slash;
|
|
}
|
|
"*" {
|
|
*error = "star";
|
|
return pcr_err_star;
|
|
}
|
|
"?" {
|
|
if (**s == '/') {
|
|
(*s)++;
|
|
}
|
|
*len = (p - (const unsigned char*)*s) -1;
|
|
*error = NULL;
|
|
return pcr_use_query;
|
|
}
|
|
UTF8 {
|
|
goto loop;
|
|
}
|
|
END {
|
|
if (**s == '/') {
|
|
(*s)++;
|
|
(*len)--;
|
|
}
|
|
if ((p - (const unsigned char*)*s) - 1 != *len)
|
|
{
|
|
*error ="illegal character";
|
|
return pcr_err_illegal_char;
|
|
}
|
|
*error = NULL;
|
|
return pcr_is_ok;
|
|
}
|
|
ANY {
|
|
*error ="illegal character";
|
|
return pcr_err_illegal_char;
|
|
}
|
|
*/
|
|
}
|