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1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | phar php single-file executable PHP extension |
4: +----------------------------------------------------------------------+
1.1.1.3 ! misho 5: | Copyright (c) 2007-2013 The PHP Group |
1.1 misho 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:
1.1.1.2 misho 19: /* $Id$ */
1.1 misho 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: }