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|
/* Generated by re2c 3.1 */
/*
+----------------------------------------------------------------------+
| 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: |
| https://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:
{
YYCTYPE yych;
unsigned int yyaccept = 0;
if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
yych = *YYCURSOR;
if (yych <= '[') {
if (yych <= ')') {
if (yych <= '\f') {
if (yych >= 0x01) goto yy1;
} else {
if (yych <= '\r') goto yy3;
if (yych <= 0x19) goto yy1;
goto yy4;
}
} else {
if (yych <= '/') {
if (yych <= '*') goto yy6;
if (yych <= '.') goto yy4;
goto yy7;
} else {
if (yych == '?') goto yy8;
goto yy4;
}
}
} else {
if (yych <= 0xEC) {
if (yych <= 0xC1) {
if (yych <= '\\') goto yy9;
if (yych <= 0x7F) goto yy4;
goto yy1;
} else {
if (yych <= 0xDF) goto yy10;
if (yych <= 0xE0) goto yy11;
goto yy12;
}
} else {
if (yych <= 0xF0) {
if (yych <= 0xED) goto yy13;
if (yych <= 0xEF) goto yy12;
goto yy14;
} else {
if (yych <= 0xF3) goto yy15;
if (yych <= 0xF4) goto yy16;
goto yy1;
}
}
}
++YYCURSOR;
{
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;
}
yy1:
++YYCURSOR;
yy2:
{
*error ="illegal character";
return pcr_err_illegal_char;
}
yy3:
yych = *++YYCURSOR;
if (yych == '\n') goto yy1;
goto yy2;
yy4:
++YYCURSOR;
yy5:
{
goto loop;
}
yy6:
++YYCURSOR;
{
*error = "star";
return pcr_err_star;
}
yy7:
yyaccept = 0;
yych = *(YYMARKER = ++YYCURSOR);
if (yych <= '-') goto yy5;
if (yych <= '.') goto yy17;
if (yych <= '/') goto yy19;
goto yy5;
yy8:
++YYCURSOR;
{
if (**s == '/') {
(*s)++;
}
*len = (p - (const unsigned char*)*s) -1;
*error = NULL;
return pcr_use_query;
}
yy9:
++YYCURSOR;
{
*error = "back-slash";
return pcr_err_back_slash;
}
yy10:
yych = *++YYCURSOR;
if (yych <= 0x7F) goto yy2;
if (yych <= 0xBF) goto yy4;
goto yy2;
yy11:
yyaccept = 1;
yych = *(YYMARKER = ++YYCURSOR);
if (yych <= 0x9F) goto yy2;
if (yych <= 0xBF) goto yy20;
goto yy2;
yy12:
yyaccept = 1;
yych = *(YYMARKER = ++YYCURSOR);
if (yych <= 0x7F) goto yy2;
if (yych <= 0xBF) goto yy20;
goto yy2;
yy13:
yyaccept = 1;
yych = *(YYMARKER = ++YYCURSOR);
if (yych <= 0x7F) goto yy2;
if (yych <= 0x9F) goto yy20;
goto yy2;
yy14:
yyaccept = 1;
yych = *(YYMARKER = ++YYCURSOR);
if (yych <= 0x8F) goto yy2;
if (yych <= 0xBF) goto yy21;
goto yy2;
yy15:
yyaccept = 1;
yych = *(YYMARKER = ++YYCURSOR);
if (yych <= 0x7F) goto yy2;
if (yych <= 0xBF) goto yy21;
goto yy2;
yy16:
yyaccept = 1;
yych = *(YYMARKER = ++YYCURSOR);
if (yych <= 0x7F) goto yy2;
if (yych <= 0x8F) goto yy21;
goto yy2;
yy17:
yych = *++YYCURSOR;
if (yych <= 0x00) goto yy22;
if (yych <= '-') goto yy18;
if (yych <= '.') goto yy23;
if (yych <= '/') goto yy22;
yy18:
YYCURSOR = YYMARKER;
if (yyaccept == 0) {
goto yy5;
} else {
goto yy2;
}
yy19:
++YYCURSOR;
{
*error = "double slash";
return pcr_err_double_slash;
}
yy20:
yych = *++YYCURSOR;
if (yych <= 0x7F) goto yy18;
if (yych <= 0xBF) goto yy4;
goto yy18;
yy21:
yych = *++YYCURSOR;
if (yych <= 0x7F) goto yy18;
if (yych <= 0xBF) goto yy20;
goto yy18;
yy22:
++YYCURSOR;
{
*error = "current directory reference";
return pcr_err_curr_dir;
}
yy23:
yych = *++YYCURSOR;
if (yych <= 0x00) goto yy24;
if (yych != '/') goto yy18;
yy24:
++YYCURSOR;
{
*error = "upper directory reference";
return pcr_err_up_dir;
}
}
}
|
