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|
/* Generated by re2c 0.12.3 on Tue Jan 8 18:41:21 2008 */
#line 1 "ext/phar/phar_path_check.re"
/*
+----------------------------------------------------------------------+
| phar php single-file executable PHP extension |
+----------------------------------------------------------------------+
| Copyright (c) 2007-2009 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: phar_path_check.c 272370 2008-12-31 11:15:49Z sebastian $ */
#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:
{
#line 48 "ext/phar/phar_path_check.c"
{
YYCTYPE yych;
if((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
yych = *YYCURSOR;
if(yych <= '.') {
if(yych <= 0x0A) {
if(yych <= 0x00) goto yy13;
if(yych <= 0x09) goto yy10;
goto yy12;
} else {
if(yych <= 0x19) goto yy10;
if(yych == '*') goto yy6;
goto yy15;
}
} else {
if(yych <= '?') {
if(yych <= '/') goto yy2;
if(yych <= '>') goto yy15;
goto yy8;
} else {
if(yych == '\\') goto yy4;
if(yych <= 0x7F) goto yy15;
goto yy10;
}
}
yy2:
yych = *(YYMARKER = ++YYCURSOR);
if(yych <= '-') goto yy3;
if(yych <= '.') goto yy16;
if(yych <= '/') goto yy18;
yy3:
#line 93 "ext/phar/phar_path_check.re"
{
goto loop;
}
#line 85 "ext/phar/phar_path_check.c"
yy4:
++YYCURSOR;
#line 60 "ext/phar/phar_path_check.re"
{
*error = "back-slash";
return pcr_err_back_slash;
}
#line 93 "ext/phar/phar_path_check.c"
yy6:
++YYCURSOR;
#line 64 "ext/phar/phar_path_check.re"
{
*error = "star";
return pcr_err_star;
}
#line 101 "ext/phar/phar_path_check.c"
yy8:
++YYCURSOR;
#line 68 "ext/phar/phar_path_check.re"
{
if (**s == '/') {
(*s)++;
}
*len = (p - (const unsigned char*)*s) -1;
*error = NULL;
return pcr_use_query;
}
#line 113 "ext/phar/phar_path_check.c"
yy10:
++YYCURSOR;
yy11:
#line 76 "ext/phar/phar_path_check.re"
{
*error ="illegal character";
return pcr_err_illegal_char;
}
#line 122 "ext/phar/phar_path_check.c"
yy12:
yych = *++YYCURSOR;
goto yy11;
yy13:
++YYCURSOR;
#line 80 "ext/phar/phar_path_check.re"
{
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;
}
#line 142 "ext/phar/phar_path_check.c"
yy15:
yych = *++YYCURSOR;
goto yy3;
yy16:
yych = *++YYCURSOR;
if(yych <= 0x00) goto yy21;
if(yych <= '-') goto yy17;
if(yych <= '.') goto yy20;
if(yych <= '/') goto yy21;
yy17:
YYCURSOR = YYMARKER;
goto yy3;
yy18:
++YYCURSOR;
#line 48 "ext/phar/phar_path_check.re"
{
*error = "double slash";
return pcr_err_double_slash;
}
#line 162 "ext/phar/phar_path_check.c"
yy20:
yych = *++YYCURSOR;
if(yych <= 0x00) goto yy23;
if(yych == '/') goto yy23;
goto yy17;
yy21:
++YYCURSOR;
#line 56 "ext/phar/phar_path_check.re"
{
*error = "current directory reference";
return pcr_err_curr_dir;
}
#line 175 "ext/phar/phar_path_check.c"
yy23:
++YYCURSOR;
#line 52 "ext/phar/phar_path_check.re"
{
*error = "upper directory reference";
return pcr_err_up_dir;
}
#line 183 "ext/phar/phar_path_check.c"
}
}
#line 96 "ext/phar/phar_path_check.re"
}
|
