Annotation of embedaddon/php/ext/phar/phar_path_check.re, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | phar php single-file executable PHP extension |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 2007-2012 The PHP Group |
! 6: +----------------------------------------------------------------------+
! 7: | This source file is subject to version 3.01 of the PHP license, |
! 8: | that is bundled with this package in the file LICENSE, and is |
! 9: | available through the world-wide-web at the following url: |
! 10: | http://www.php.net/license/3_01.txt. |
! 11: | If you did not receive a copy of the PHP license and are unable to |
! 12: | obtain it through the world-wide-web, please send a note to |
! 13: | license@php.net so we can mail you a copy immediately. |
! 14: +----------------------------------------------------------------------+
! 15: | Authors: Marcus Boerger <helly@php.net> |
! 16: +----------------------------------------------------------------------+
! 17: */
! 18:
! 19: /* $Id: phar_path_check.re 321634 2012-01-01 13:15:04Z felipe $ */
! 20:
! 21: #include "phar_internal.h"
! 22:
! 23: phar_path_check_result phar_path_check(char **s, int *len, const char **error)
! 24: {
! 25: const unsigned char *p = (const unsigned char*)*s;
! 26: const unsigned char *m;
! 27:
! 28: if (*len == 1 && *p == '.') {
! 29: *error = "current directory reference";
! 30: return pcr_err_curr_dir;
! 31: } else if (*len == 2 && p[0] == '.' && p[1] == '.') {
! 32: *error = "upper directory reference";
! 33: return pcr_err_up_dir;
! 34: }
! 35:
! 36: #define YYCTYPE unsigned char
! 37: #define YYCURSOR p
! 38: #define YYLIMIT p+*len
! 39: #define YYMARKER m
! 40: #define YYFILL(n)
! 41:
! 42: loop:
! 43: /*!re2c
! 44: END = "\x00";
! 45: ILL = [\x01-\x19\x80-\xFF];
! 46: EOS = "/" | END;
! 47: ANY = .;
! 48: "//" {
! 49: *error = "double slash";
! 50: return pcr_err_double_slash;
! 51: }
! 52: "/.." EOS {
! 53: *error = "upper directory reference";
! 54: return pcr_err_up_dir;
! 55: }
! 56: "/." EOS {
! 57: *error = "current directory reference";
! 58: return pcr_err_curr_dir;
! 59: }
! 60: "\\" {
! 61: *error = "back-slash";
! 62: return pcr_err_back_slash;
! 63: }
! 64: "*" {
! 65: *error = "star";
! 66: return pcr_err_star;
! 67: }
! 68: "?" {
! 69: if (**s == '/') {
! 70: (*s)++;
! 71: }
! 72: *len = (p - (const unsigned char*)*s) -1;
! 73: *error = NULL;
! 74: return pcr_use_query;
! 75: }
! 76: ILL {
! 77: *error ="illegal character";
! 78: return pcr_err_illegal_char;
! 79: }
! 80: END {
! 81: if (**s == '/') {
! 82: (*s)++;
! 83: (*len)--;
! 84: }
! 85: if ((p - (const unsigned char*)*s) - 1 != *len)
! 86: {
! 87: *error ="illegal character";
! 88: return pcr_err_illegal_char;
! 89: }
! 90: *error = NULL;
! 91: return pcr_is_ok;
! 92: }
! 93: ANY {
! 94: goto loop;
! 95: }
! 96: */
! 97: }
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