reason_phrase.c (10070B)
1 /* 2 This file is part of libmicrohttpd 3 Copyright (C) 2007, 2011, 2017, 2019 Christian Grothoff 4 Copyright (C) 2017-2023 Karlson2k (Evgeny Grin) 5 6 This library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 This library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with this library; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 20 */ 21 /** 22 * @file reason_phrase.c 23 * @brief Tables of the string response phrases 24 * @author Elliot Glaysher 25 * @author Christian Grothoff (minor code clean up) 26 * @author Karlson2k (Evgeny Grin) 27 */ 28 #include "platform.h" 29 #include "microhttpd.h" 30 #include "mhd_str.h" 31 32 #ifndef NULL 33 #define NULL ((void*) 0) 34 #endif 35 36 static const struct _MHD_cstr_w_len invalid_hundred[] = { 37 { NULL, 0 } 38 }; 39 40 static const struct _MHD_cstr_w_len one_hundred[] = { 41 /* 100 */ _MHD_S_STR_W_LEN ("Continue"), /* RFC9110, Section 15.2.1 */ 42 /* 101 */ _MHD_S_STR_W_LEN ("Switching Protocols"), /* RFC9110, Section 15.2.2 */ 43 /* 102 */ _MHD_S_STR_W_LEN ("Processing"), /* RFC2518 */ 44 /* 103 */ _MHD_S_STR_W_LEN ("Early Hints") /* RFC8297 */ 45 }; 46 47 static const struct _MHD_cstr_w_len two_hundred[] = { 48 /* 200 */ _MHD_S_STR_W_LEN ("OK"), /* RFC9110, Section 15.3.1 */ 49 /* 201 */ _MHD_S_STR_W_LEN ("Created"), /* RFC9110, Section 15.3.2 */ 50 /* 202 */ _MHD_S_STR_W_LEN ("Accepted"), /* RFC9110, Section 15.3.3 */ 51 /* 203 */ _MHD_S_STR_W_LEN ("Non-Authoritative Information"), /* RFC9110, Section 15.3.4 */ 52 /* 204 */ _MHD_S_STR_W_LEN ("No Content"), /* RFC9110, Section 15.3.5 */ 53 /* 205 */ _MHD_S_STR_W_LEN ("Reset Content"), /* RFC9110, Section 15.3.6 */ 54 /* 206 */ _MHD_S_STR_W_LEN ("Partial Content"), /* RFC9110, Section 15.3.7 */ 55 /* 207 */ _MHD_S_STR_W_LEN ("Multi-Status"), /* RFC4918 */ 56 /* 208 */ _MHD_S_STR_W_LEN ("Already Reported"), /* RFC5842 */ 57 /* 209 */ {"Unknown", 0}, /* Not used */ 58 /* 210 */ {"Unknown", 0}, /* Not used */ 59 /* 211 */ {"Unknown", 0}, /* Not used */ 60 /* 212 */ {"Unknown", 0}, /* Not used */ 61 /* 213 */ {"Unknown", 0}, /* Not used */ 62 /* 214 */ {"Unknown", 0}, /* Not used */ 63 /* 215 */ {"Unknown", 0}, /* Not used */ 64 /* 216 */ {"Unknown", 0}, /* Not used */ 65 /* 217 */ {"Unknown", 0}, /* Not used */ 66 /* 218 */ {"Unknown", 0}, /* Not used */ 67 /* 219 */ {"Unknown", 0}, /* Not used */ 68 /* 220 */ {"Unknown", 0}, /* Not used */ 69 /* 221 */ {"Unknown", 0}, /* Not used */ 70 /* 222 */ {"Unknown", 0}, /* Not used */ 71 /* 223 */ {"Unknown", 0}, /* Not used */ 72 /* 224 */ {"Unknown", 0}, /* Not used */ 73 /* 225 */ {"Unknown", 0}, /* Not used */ 74 /* 226 */ _MHD_S_STR_W_LEN ("IM Used") /* RFC3229 */ 75 }; 76 77 static const struct _MHD_cstr_w_len three_hundred[] = { 78 /* 300 */ _MHD_S_STR_W_LEN ("Multiple Choices"), /* RFC9110, Section 15.4.1 */ 79 /* 301 */ _MHD_S_STR_W_LEN ("Moved Permanently"), /* RFC9110, Section 15.4.2 */ 80 /* 302 */ _MHD_S_STR_W_LEN ("Found"), /* RFC9110, Section 15.4.3 */ 81 /* 303 */ _MHD_S_STR_W_LEN ("See Other"), /* RFC9110, Section 15.4.4 */ 82 /* 304 */ _MHD_S_STR_W_LEN ("Not Modified"), /* RFC9110, Section 15.4.5 */ 83 /* 305 */ _MHD_S_STR_W_LEN ("Use Proxy"), /* RFC9110, Section 15.4.6 */ 84 /* 306 */ _MHD_S_STR_W_LEN ("Switch Proxy"), /* Not used! RFC9110, Section 15.4.7 */ 85 /* 307 */ _MHD_S_STR_W_LEN ("Temporary Redirect"), /* RFC9110, Section 15.4.8 */ 86 /* 308 */ _MHD_S_STR_W_LEN ("Permanent Redirect") /* RFC9110, Section 15.4.9 */ 87 }; 88 89 static const struct _MHD_cstr_w_len four_hundred[] = { 90 /* 400 */ _MHD_S_STR_W_LEN ("Bad Request"), /* RFC9110, Section 15.5.1 */ 91 /* 401 */ _MHD_S_STR_W_LEN ("Unauthorized"), /* RFC9110, Section 15.5.2 */ 92 /* 402 */ _MHD_S_STR_W_LEN ("Payment Required"), /* RFC9110, Section 15.5.3 */ 93 /* 403 */ _MHD_S_STR_W_LEN ("Forbidden"), /* RFC9110, Section 15.5.4 */ 94 /* 404 */ _MHD_S_STR_W_LEN ("Not Found"), /* RFC9110, Section 15.5.5 */ 95 /* 405 */ _MHD_S_STR_W_LEN ("Method Not Allowed"), /* RFC9110, Section 15.5.6 */ 96 /* 406 */ _MHD_S_STR_W_LEN ("Not Acceptable"), /* RFC9110, Section 15.5.7 */ 97 /* 407 */ _MHD_S_STR_W_LEN ("Proxy Authentication Required"), /* RFC9110, Section 15.5.8 */ 98 /* 408 */ _MHD_S_STR_W_LEN ("Request Timeout"), /* RFC9110, Section 15.5.9 */ 99 /* 409 */ _MHD_S_STR_W_LEN ("Conflict"), /* RFC9110, Section 15.5.10 */ 100 /* 410 */ _MHD_S_STR_W_LEN ("Gone"), /* RFC9110, Section 15.5.11 */ 101 /* 411 */ _MHD_S_STR_W_LEN ("Length Required"), /* RFC9110, Section 15.5.12 */ 102 /* 412 */ _MHD_S_STR_W_LEN ("Precondition Failed"), /* RFC9110, Section 15.5.13 */ 103 /* 413 */ _MHD_S_STR_W_LEN ("Content Too Large"), /* RFC9110, Section 15.5.14 */ 104 /* 414 */ _MHD_S_STR_W_LEN ("URI Too Long"), /* RFC9110, Section 15.5.15 */ 105 /* 415 */ _MHD_S_STR_W_LEN ("Unsupported Media Type"), /* RFC9110, Section 15.5.16 */ 106 /* 416 */ _MHD_S_STR_W_LEN ("Range Not Satisfiable"), /* RFC9110, Section 15.5.17 */ 107 /* 417 */ _MHD_S_STR_W_LEN ("Expectation Failed"), /* RFC9110, Section 15.5.18 */ 108 /* 418 */ {"Unknown", 0}, /* Not used */ 109 /* 419 */ {"Unknown", 0}, /* Not used */ 110 /* 420 */ {"Unknown", 0}, /* Not used */ 111 /* 421 */ _MHD_S_STR_W_LEN ("Misdirected Request"), /* RFC9110, Section 15.5.20 */ 112 /* 422 */ _MHD_S_STR_W_LEN ("Unprocessable Content"), /* RFC9110, Section 15.5.21 */ 113 /* 423 */ _MHD_S_STR_W_LEN ("Locked"), /* RFC4918 */ 114 /* 424 */ _MHD_S_STR_W_LEN ("Failed Dependency"), /* RFC4918 */ 115 /* 425 */ _MHD_S_STR_W_LEN ("Too Early"), /* RFC8470 */ 116 /* 426 */ _MHD_S_STR_W_LEN ("Upgrade Required"), /* RFC9110, Section 15.5.22 */ 117 /* 427 */ {"Unknown", 0}, /* Not used */ 118 /* 428 */ _MHD_S_STR_W_LEN ("Precondition Required"), /* RFC6585 */ 119 /* 429 */ _MHD_S_STR_W_LEN ("Too Many Requests"), /* RFC6585 */ 120 /* 430 */ {"Unknown", 0}, /* Not used */ 121 /* 431 */ _MHD_S_STR_W_LEN ("Request Header Fields Too Large"), /* RFC6585 */ 122 /* 432 */ {"Unknown", 0}, /* Not used */ 123 /* 433 */ {"Unknown", 0}, /* Not used */ 124 /* 434 */ {"Unknown", 0}, /* Not used */ 125 /* 435 */ {"Unknown", 0}, /* Not used */ 126 /* 436 */ {"Unknown", 0}, /* Not used */ 127 /* 437 */ {"Unknown", 0}, /* Not used */ 128 /* 438 */ {"Unknown", 0}, /* Not used */ 129 /* 439 */ {"Unknown", 0}, /* Not used */ 130 /* 440 */ {"Unknown", 0}, /* Not used */ 131 /* 441 */ {"Unknown", 0}, /* Not used */ 132 /* 442 */ {"Unknown", 0}, /* Not used */ 133 /* 443 */ {"Unknown", 0}, /* Not used */ 134 /* 444 */ {"Unknown", 0}, /* Not used */ 135 /* 445 */ {"Unknown", 0}, /* Not used */ 136 /* 446 */ {"Unknown", 0}, /* Not used */ 137 /* 447 */ {"Unknown", 0}, /* Not used */ 138 /* 448 */ {"Unknown", 0}, /* Not used */ 139 /* 449 */ _MHD_S_STR_W_LEN ("Reply With"), /* MS IIS extension */ 140 /* 450 */ _MHD_S_STR_W_LEN ("Blocked by Windows Parental Controls"), /* MS extension */ 141 /* 451 */ _MHD_S_STR_W_LEN ("Unavailable For Legal Reasons") /* RFC7725 */ 142 }; 143 144 static const struct _MHD_cstr_w_len five_hundred[] = { 145 /* 500 */ _MHD_S_STR_W_LEN ("Internal Server Error"), /* RFC9110, Section 15.6.1 */ 146 /* 501 */ _MHD_S_STR_W_LEN ("Not Implemented"), /* RFC9110, Section 15.6.2 */ 147 /* 502 */ _MHD_S_STR_W_LEN ("Bad Gateway"), /* RFC9110, Section 15.6.3 */ 148 /* 503 */ _MHD_S_STR_W_LEN ("Service Unavailable"), /* RFC9110, Section 15.6.4 */ 149 /* 504 */ _MHD_S_STR_W_LEN ("Gateway Timeout"), /* RFC9110, Section 15.6.5 */ 150 /* 505 */ _MHD_S_STR_W_LEN ("HTTP Version Not Supported"), /* RFC9110, Section 15.6.6 */ 151 /* 506 */ _MHD_S_STR_W_LEN ("Variant Also Negotiates"), /* RFC2295 */ 152 /* 507 */ _MHD_S_STR_W_LEN ("Insufficient Storage"), /* RFC4918 */ 153 /* 508 */ _MHD_S_STR_W_LEN ("Loop Detected"), /* RFC5842 */ 154 /* 509 */ _MHD_S_STR_W_LEN ("Bandwidth Limit Exceeded"), /* Apache extension */ 155 /* 510 */ _MHD_S_STR_W_LEN ("Not Extended"), /* (OBSOLETED) RFC2774; status-change-http-experiments-to-historic */ 156 /* 511 */ _MHD_S_STR_W_LEN ("Network Authentication Required") /* RFC6585 */ 157 }; 158 159 160 struct MHD_Reason_Block 161 { 162 size_t max; 163 const struct _MHD_cstr_w_len *const data; 164 }; 165 166 #define BLOCK(m) { (sizeof(m) / sizeof(m[0])), m } 167 168 static const struct MHD_Reason_Block reasons[] = { 169 BLOCK (invalid_hundred), 170 BLOCK (one_hundred), 171 BLOCK (two_hundred), 172 BLOCK (three_hundred), 173 BLOCK (four_hundred), 174 BLOCK (five_hundred), 175 }; 176 177 178 _MHD_EXTERN const char * 179 MHD_get_reason_phrase_for (unsigned int code) 180 { 181 if ( (code >= 100) && 182 (code < 600) && 183 (reasons[code / 100].max > (code % 100)) ) 184 return reasons[code / 100].data[code % 100].str; 185 return "Unknown"; 186 } 187 188 189 _MHD_EXTERN size_t 190 MHD_get_reason_phrase_len_for (unsigned int code) 191 { 192 if ( (code >= 100) && 193 (code < 600) && 194 (reasons[code / 100].max > (code % 100)) ) 195 return reasons[code / 100].data[code % 100].len; 196 return 0; 197 }