phar_path_check.c 5.9 KB

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  1. /* Generated by re2c 1.0.3 */
  2. #line 1 "ext/phar/phar_path_check.re"
  3. /*
  4. +----------------------------------------------------------------------+
  5. | phar php single-file executable PHP extension |
  6. +----------------------------------------------------------------------+
  7. | Copyright (c) 2007-2018 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. #include "phar_internal.h"
  21. phar_path_check_result phar_path_check(char **s, size_t *len, const char **error)
  22. {
  23. const unsigned char *p = (const unsigned char*)*s;
  24. const unsigned char *m;
  25. if (*len == 1 && *p == '.') {
  26. *error = "current directory reference";
  27. return pcr_err_curr_dir;
  28. } else if (*len == 2 && p[0] == '.' && p[1] == '.') {
  29. *error = "upper directory reference";
  30. return pcr_err_up_dir;
  31. }
  32. #define YYCTYPE unsigned char
  33. #define YYCURSOR p
  34. #define YYLIMIT p+*len
  35. #define YYMARKER m
  36. #define YYFILL(n)
  37. loop:
  38. #line 47 "ext/phar/phar_path_check.c"
  39. {
  40. YYCTYPE yych;
  41. unsigned int yyaccept = 0;
  42. if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
  43. yych = *YYCURSOR;
  44. if (yych <= '[') {
  45. if (yych <= ')') {
  46. if (yych <= '\f') {
  47. if (yych >= 0x01) goto yy4;
  48. } else {
  49. if (yych <= '\r') goto yy6;
  50. if (yych <= 0x19) goto yy4;
  51. goto yy7;
  52. }
  53. } else {
  54. if (yych <= '/') {
  55. if (yych <= '*') goto yy9;
  56. if (yych <= '.') goto yy7;
  57. goto yy11;
  58. } else {
  59. if (yych == '?') goto yy12;
  60. goto yy7;
  61. }
  62. }
  63. } else {
  64. if (yych <= 0xEC) {
  65. if (yych <= 0xC1) {
  66. if (yych <= '\\') goto yy14;
  67. if (yych <= 0x7F) goto yy7;
  68. goto yy4;
  69. } else {
  70. if (yych <= 0xDF) goto yy16;
  71. if (yych <= 0xE0) goto yy17;
  72. goto yy18;
  73. }
  74. } else {
  75. if (yych <= 0xF0) {
  76. if (yych <= 0xED) goto yy19;
  77. if (yych <= 0xEF) goto yy18;
  78. goto yy20;
  79. } else {
  80. if (yych <= 0xF3) goto yy21;
  81. if (yych <= 0xF4) goto yy22;
  82. goto yy4;
  83. }
  84. }
  85. }
  86. ++YYCURSOR;
  87. #line 93 "ext/phar/phar_path_check.re"
  88. {
  89. if (**s == '/') {
  90. (*s)++;
  91. (*len)--;
  92. }
  93. if ((p - (const unsigned char*)*s) - 1 != *len)
  94. {
  95. *error ="illegal character";
  96. return pcr_err_illegal_char;
  97. }
  98. *error = NULL;
  99. return pcr_is_ok;
  100. }
  101. #line 110 "ext/phar/phar_path_check.c"
  102. yy4:
  103. ++YYCURSOR;
  104. yy5:
  105. #line 106 "ext/phar/phar_path_check.re"
  106. {
  107. *error ="illegal character";
  108. return pcr_err_illegal_char;
  109. }
  110. #line 119 "ext/phar/phar_path_check.c"
  111. yy6:
  112. yych = *++YYCURSOR;
  113. if (yych == '\n') goto yy4;
  114. goto yy5;
  115. yy7:
  116. ++YYCURSOR;
  117. yy8:
  118. #line 90 "ext/phar/phar_path_check.re"
  119. {
  120. goto loop;
  121. }
  122. #line 131 "ext/phar/phar_path_check.c"
  123. yy9:
  124. ++YYCURSOR;
  125. #line 78 "ext/phar/phar_path_check.re"
  126. {
  127. *error = "star";
  128. return pcr_err_star;
  129. }
  130. #line 139 "ext/phar/phar_path_check.c"
  131. yy11:
  132. yyaccept = 0;
  133. yych = *(YYMARKER = ++YYCURSOR);
  134. if (yych <= '-') goto yy8;
  135. if (yych <= '.') goto yy23;
  136. if (yych <= '/') goto yy25;
  137. goto yy8;
  138. yy12:
  139. ++YYCURSOR;
  140. #line 82 "ext/phar/phar_path_check.re"
  141. {
  142. if (**s == '/') {
  143. (*s)++;
  144. }
  145. *len = (p - (const unsigned char*)*s) -1;
  146. *error = NULL;
  147. return pcr_use_query;
  148. }
  149. #line 158 "ext/phar/phar_path_check.c"
  150. yy14:
  151. ++YYCURSOR;
  152. #line 74 "ext/phar/phar_path_check.re"
  153. {
  154. *error = "back-slash";
  155. return pcr_err_back_slash;
  156. }
  157. #line 166 "ext/phar/phar_path_check.c"
  158. yy16:
  159. yych = *++YYCURSOR;
  160. if (yych <= 0x7F) goto yy5;
  161. if (yych <= 0xBF) goto yy7;
  162. goto yy5;
  163. yy17:
  164. yyaccept = 1;
  165. yych = *(YYMARKER = ++YYCURSOR);
  166. if (yych <= 0x9F) goto yy5;
  167. if (yych <= 0xBF) goto yy27;
  168. goto yy5;
  169. yy18:
  170. yyaccept = 1;
  171. yych = *(YYMARKER = ++YYCURSOR);
  172. if (yych <= 0x7F) goto yy5;
  173. if (yych <= 0xBF) goto yy27;
  174. goto yy5;
  175. yy19:
  176. yyaccept = 1;
  177. yych = *(YYMARKER = ++YYCURSOR);
  178. if (yych <= 0x7F) goto yy5;
  179. if (yych <= 0x9F) goto yy27;
  180. goto yy5;
  181. yy20:
  182. yyaccept = 1;
  183. yych = *(YYMARKER = ++YYCURSOR);
  184. if (yych <= 0x8F) goto yy5;
  185. if (yych <= 0xBF) goto yy28;
  186. goto yy5;
  187. yy21:
  188. yyaccept = 1;
  189. yych = *(YYMARKER = ++YYCURSOR);
  190. if (yych <= 0x7F) goto yy5;
  191. if (yych <= 0xBF) goto yy28;
  192. goto yy5;
  193. yy22:
  194. yyaccept = 1;
  195. yych = *(YYMARKER = ++YYCURSOR);
  196. if (yych <= 0x7F) goto yy5;
  197. if (yych <= 0x8F) goto yy28;
  198. goto yy5;
  199. yy23:
  200. yych = *++YYCURSOR;
  201. if (yych <= 0x00) goto yy29;
  202. if (yych <= '-') goto yy24;
  203. if (yych <= '.') goto yy31;
  204. if (yych <= '/') goto yy29;
  205. yy24:
  206. YYCURSOR = YYMARKER;
  207. if (yyaccept == 0) {
  208. goto yy8;
  209. } else {
  210. goto yy5;
  211. }
  212. yy25:
  213. ++YYCURSOR;
  214. #line 62 "ext/phar/phar_path_check.re"
  215. {
  216. *error = "double slash";
  217. return pcr_err_double_slash;
  218. }
  219. #line 228 "ext/phar/phar_path_check.c"
  220. yy27:
  221. yych = *++YYCURSOR;
  222. if (yych <= 0x7F) goto yy24;
  223. if (yych <= 0xBF) goto yy7;
  224. goto yy24;
  225. yy28:
  226. yych = *++YYCURSOR;
  227. if (yych <= 0x7F) goto yy24;
  228. if (yych <= 0xBF) goto yy27;
  229. goto yy24;
  230. yy29:
  231. ++YYCURSOR;
  232. #line 70 "ext/phar/phar_path_check.re"
  233. {
  234. *error = "current directory reference";
  235. return pcr_err_curr_dir;
  236. }
  237. #line 246 "ext/phar/phar_path_check.c"
  238. yy31:
  239. yych = *++YYCURSOR;
  240. if (yych <= 0x00) goto yy32;
  241. if (yych != '/') goto yy24;
  242. yy32:
  243. ++YYCURSOR;
  244. #line 66 "ext/phar/phar_path_check.re"
  245. {
  246. *error = "upper directory reference";
  247. return pcr_err_up_dir;
  248. }
  249. #line 258 "ext/phar/phar_path_check.c"
  250. }
  251. #line 110 "ext/phar/phar_path_check.re"
  252. }