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|
/*
+----------------------------------------------------------------------+
| phar php single-file executable PHP extension |
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| 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> |
+----------------------------------------------------------------------+
*/
#include "phar_internal.h"
phar_path_check_result phar_path_check(char **s, size_t *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) do {} while (0)
loop:
/*!re2c
END = "\x00";
NEWLINE = "\r"? "\n";
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 = . | NEWLINE;
"//" {
*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;
}
*/
}
|
