1 /* Generated by re2c 0.13.5 on Fri Feb 25 04:29:05 2011 */ 2 #line 1 "ext/phar/phar_path_check.re" 3 /* 4 +----------------------------------------------------------------------+ 5 | phar php single-file executable PHP extension | 6 +----------------------------------------------------------------------+ 7 | Copyright (c) 2007-2013 The PHP Group | 8 +----------------------------------------------------------------------+ 9 | This source file is subject to version 3.01 of the PHP license, | 10 | that is bundled with this package in the file LICENSE, and is | 11 | available through the world-wide-web at the following url: | 12 | http://www.php.net/license/3_01.txt. | 13 | If you did not receive a copy of the PHP license and are unable to | 14 | obtain it through the world-wide-web, please send a note to | 15 | license@php.net so we can mail you a copy immediately. | 16 +----------------------------------------------------------------------+ 17 | Authors: Marcus Boerger <helly@php.net> | 18 +----------------------------------------------------------------------+ 19 */ 20 21 /* $Id$ */ 22 23 #include "phar_internal.h" 24 phar_path_check(char ** s,int * len,const char ** error)25phar_path_check_result phar_path_check(char **s, int *len, const char **error) 26 { 27 const unsigned char *p = (const unsigned char*)*s; 28 const unsigned char *m; 29 30 if (*len == 1 && *p == '.') { 31 *error = "current directory reference"; 32 return pcr_err_curr_dir; 33 } else if (*len == 2 && p[0] == '.' && p[1] == '.') { 34 *error = "upper directory reference"; 35 return pcr_err_up_dir; 36 } 37 38 #define YYCTYPE unsigned char 39 #define YYCURSOR p 40 #define YYLIMIT p+*len 41 #define YYMARKER m 42 #define YYFILL(n) 43 44 loop: 45 46 #line 47 "ext/phar/phar_path_check.c" 47 { 48 YYCTYPE yych; 49 50 if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4); 51 yych = *YYCURSOR; 52 if (yych <= '.') { 53 if (yych <= '\n') { 54 if (yych <= 0x00) goto yy13; 55 if (yych <= '\t') goto yy10; 56 goto yy12; 57 } else { 58 if (yych <= 0x19) goto yy10; 59 if (yych == '*') goto yy6; 60 goto yy15; 61 } 62 } else { 63 if (yych <= '?') { 64 if (yych <= '/') goto yy2; 65 if (yych <= '>') goto yy15; 66 goto yy8; 67 } else { 68 if (yych == '\\') goto yy4; 69 if (yych <= 0x7F) goto yy15; 70 goto yy10; 71 } 72 } 73 yy2: 74 yych = *(YYMARKER = ++YYCURSOR); 75 if (yych <= '-') goto yy3; 76 if (yych <= '.') goto yy16; 77 if (yych <= '/') goto yy18; 78 yy3: 79 #line 93 "ext/phar/phar_path_check.re" 80 { 81 goto loop; 82 } 83 #line 84 "ext/phar/phar_path_check.c" 84 yy4: 85 ++YYCURSOR; 86 #line 60 "ext/phar/phar_path_check.re" 87 { 88 *error = "back-slash"; 89 return pcr_err_back_slash; 90 } 91 #line 92 "ext/phar/phar_path_check.c" 92 yy6: 93 ++YYCURSOR; 94 #line 64 "ext/phar/phar_path_check.re" 95 { 96 *error = "star"; 97 return pcr_err_star; 98 } 99 #line 100 "ext/phar/phar_path_check.c" 100 yy8: 101 ++YYCURSOR; 102 #line 68 "ext/phar/phar_path_check.re" 103 { 104 if (**s == '/') { 105 (*s)++; 106 } 107 *len = (p - (const unsigned char*)*s) -1; 108 *error = NULL; 109 return pcr_use_query; 110 } 111 #line 112 "ext/phar/phar_path_check.c" 112 yy10: 113 ++YYCURSOR; 114 yy11: 115 #line 76 "ext/phar/phar_path_check.re" 116 { 117 *error ="illegal character"; 118 return pcr_err_illegal_char; 119 } 120 #line 121 "ext/phar/phar_path_check.c" 121 yy12: 122 yych = *++YYCURSOR; 123 goto yy11; 124 yy13: 125 ++YYCURSOR; 126 #line 80 "ext/phar/phar_path_check.re" 127 { 128 if (**s == '/') { 129 (*s)++; 130 (*len)--; 131 } 132 if ((p - (const unsigned char*)*s) - 1 != *len) 133 { 134 *error ="illegal character"; 135 return pcr_err_illegal_char; 136 } 137 *error = NULL; 138 return pcr_is_ok; 139 } 140 #line 141 "ext/phar/phar_path_check.c" 141 yy15: 142 yych = *++YYCURSOR; 143 goto yy3; 144 yy16: 145 yych = *++YYCURSOR; 146 if (yych <= 0x00) goto yy21; 147 if (yych <= '-') goto yy17; 148 if (yych <= '.') goto yy20; 149 if (yych <= '/') goto yy21; 150 yy17: 151 YYCURSOR = YYMARKER; 152 goto yy3; 153 yy18: 154 ++YYCURSOR; 155 #line 48 "ext/phar/phar_path_check.re" 156 { 157 *error = "double slash"; 158 return pcr_err_double_slash; 159 } 160 #line 161 "ext/phar/phar_path_check.c" 161 yy20: 162 yych = *++YYCURSOR; 163 if (yych <= 0x00) goto yy23; 164 if (yych == '/') goto yy23; 165 goto yy17; 166 yy21: 167 ++YYCURSOR; 168 #line 56 "ext/phar/phar_path_check.re" 169 { 170 *error = "current directory reference"; 171 return pcr_err_curr_dir; 172 } 173 #line 174 "ext/phar/phar_path_check.c" 174 yy23: 175 ++YYCURSOR; 176 #line 52 "ext/phar/phar_path_check.re" 177 { 178 *error = "upper directory reference"; 179 return pcr_err_up_dir; 180 } 181 #line 182 "ext/phar/phar_path_check.c" 182 } 183 #line 96 "ext/phar/phar_path_check.re" 184 185 } 186
