easy connect wnc added to http request with debug mode enabled. traces collected for AT%CGEQOS, AT%MEAS, AT%PCONI

Dependencies:   easy-connect-httpmodified mbed-http

Fork of http-example-wnc-modified by Tyler Davis

Committer:
Jan Jongboom
Date:
Wed Feb 15 21:57:31 2017 +0100
Revision:
0:85fdc69bc10c
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jan Jongboom 0:85fdc69bc10c 1 /* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev
Jan Jongboom 0:85fdc69bc10c 2 *
Jan Jongboom 0:85fdc69bc10c 3 * Additional changes are licensed under the same terms as NGINX and
Jan Jongboom 0:85fdc69bc10c 4 * copyright Joyent, Inc. and other Node contributors. All rights reserved.
Jan Jongboom 0:85fdc69bc10c 5 *
Jan Jongboom 0:85fdc69bc10c 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
Jan Jongboom 0:85fdc69bc10c 7 * of this software and associated documentation files (the "Software"), to
Jan Jongboom 0:85fdc69bc10c 8 * deal in the Software without restriction, including without limitation the
Jan Jongboom 0:85fdc69bc10c 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
Jan Jongboom 0:85fdc69bc10c 10 * sell copies of the Software, and to permit persons to whom the Software is
Jan Jongboom 0:85fdc69bc10c 11 * furnished to do so, subject to the following conditions:
Jan Jongboom 0:85fdc69bc10c 12 *
Jan Jongboom 0:85fdc69bc10c 13 * The above copyright notice and this permission notice shall be included in
Jan Jongboom 0:85fdc69bc10c 14 * all copies or substantial portions of the Software.
Jan Jongboom 0:85fdc69bc10c 15 *
Jan Jongboom 0:85fdc69bc10c 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Jan Jongboom 0:85fdc69bc10c 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Jan Jongboom 0:85fdc69bc10c 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Jan Jongboom 0:85fdc69bc10c 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Jan Jongboom 0:85fdc69bc10c 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
Jan Jongboom 0:85fdc69bc10c 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
Jan Jongboom 0:85fdc69bc10c 22 * IN THE SOFTWARE.
Jan Jongboom 0:85fdc69bc10c 23 */
Jan Jongboom 0:85fdc69bc10c 24 #include "http_parser.h"
Jan Jongboom 0:85fdc69bc10c 25 #include <assert.h>
Jan Jongboom 0:85fdc69bc10c 26 #include <stddef.h>
Jan Jongboom 0:85fdc69bc10c 27 #include <ctype.h>
Jan Jongboom 0:85fdc69bc10c 28 #include <stdlib.h>
Jan Jongboom 0:85fdc69bc10c 29 #include <string.h>
Jan Jongboom 0:85fdc69bc10c 30 #include <limits.h>
Jan Jongboom 0:85fdc69bc10c 31
Jan Jongboom 0:85fdc69bc10c 32 #ifndef ULLONG_MAX
Jan Jongboom 0:85fdc69bc10c 33 # define ULLONG_MAX ((uint64_t) -1) /* 2^64-1 */
Jan Jongboom 0:85fdc69bc10c 34 #endif
Jan Jongboom 0:85fdc69bc10c 35
Jan Jongboom 0:85fdc69bc10c 36 #ifndef MIN
Jan Jongboom 0:85fdc69bc10c 37 # define MIN(a,b) ((a) < (b) ? (a) : (b))
Jan Jongboom 0:85fdc69bc10c 38 #endif
Jan Jongboom 0:85fdc69bc10c 39
Jan Jongboom 0:85fdc69bc10c 40 #ifndef ARRAY_SIZE
Jan Jongboom 0:85fdc69bc10c 41 # define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
Jan Jongboom 0:85fdc69bc10c 42 #endif
Jan Jongboom 0:85fdc69bc10c 43
Jan Jongboom 0:85fdc69bc10c 44 #ifndef BIT_AT
Jan Jongboom 0:85fdc69bc10c 45 # define BIT_AT(a, i) \
Jan Jongboom 0:85fdc69bc10c 46 (!!((unsigned int) (a)[(unsigned int) (i) >> 3] & \
Jan Jongboom 0:85fdc69bc10c 47 (1 << ((unsigned int) (i) & 7))))
Jan Jongboom 0:85fdc69bc10c 48 #endif
Jan Jongboom 0:85fdc69bc10c 49
Jan Jongboom 0:85fdc69bc10c 50 #ifndef ELEM_AT
Jan Jongboom 0:85fdc69bc10c 51 # define ELEM_AT(a, i, v) ((unsigned int) (i) < ARRAY_SIZE(a) ? (a)[(i)] : (v))
Jan Jongboom 0:85fdc69bc10c 52 #endif
Jan Jongboom 0:85fdc69bc10c 53
Jan Jongboom 0:85fdc69bc10c 54 #define SET_ERRNO(e) \
Jan Jongboom 0:85fdc69bc10c 55 do { \
Jan Jongboom 0:85fdc69bc10c 56 parser->http_errno = (e); \
Jan Jongboom 0:85fdc69bc10c 57 } while(0)
Jan Jongboom 0:85fdc69bc10c 58
Jan Jongboom 0:85fdc69bc10c 59 #define CURRENT_STATE() p_state
Jan Jongboom 0:85fdc69bc10c 60 #define UPDATE_STATE(V) p_state = (enum state) (V);
Jan Jongboom 0:85fdc69bc10c 61 #define RETURN(V) \
Jan Jongboom 0:85fdc69bc10c 62 do { \
Jan Jongboom 0:85fdc69bc10c 63 parser->state = CURRENT_STATE(); \
Jan Jongboom 0:85fdc69bc10c 64 return (V); \
Jan Jongboom 0:85fdc69bc10c 65 } while (0);
Jan Jongboom 0:85fdc69bc10c 66 #define REEXECUTE() \
Jan Jongboom 0:85fdc69bc10c 67 goto reexecute; \
Jan Jongboom 0:85fdc69bc10c 68
Jan Jongboom 0:85fdc69bc10c 69
Jan Jongboom 0:85fdc69bc10c 70 #ifdef __GNUC__
Jan Jongboom 0:85fdc69bc10c 71 # define LIKELY(X) __builtin_expect(!!(X), 1)
Jan Jongboom 0:85fdc69bc10c 72 # define UNLIKELY(X) __builtin_expect(!!(X), 0)
Jan Jongboom 0:85fdc69bc10c 73 #else
Jan Jongboom 0:85fdc69bc10c 74 # define LIKELY(X) (X)
Jan Jongboom 0:85fdc69bc10c 75 # define UNLIKELY(X) (X)
Jan Jongboom 0:85fdc69bc10c 76 #endif
Jan Jongboom 0:85fdc69bc10c 77
Jan Jongboom 0:85fdc69bc10c 78
Jan Jongboom 0:85fdc69bc10c 79 /* Run the notify callback FOR, returning ER if it fails */
Jan Jongboom 0:85fdc69bc10c 80 #define CALLBACK_NOTIFY_(FOR, ER) \
Jan Jongboom 0:85fdc69bc10c 81 do { \
Jan Jongboom 0:85fdc69bc10c 82 assert(HTTP_PARSER_ERRNO(parser) == HPE_OK); \
Jan Jongboom 0:85fdc69bc10c 83 \
Jan Jongboom 0:85fdc69bc10c 84 if (LIKELY(settings->on_##FOR)) { \
Jan Jongboom 0:85fdc69bc10c 85 parser->state = CURRENT_STATE(); \
Jan Jongboom 0:85fdc69bc10c 86 if (UNLIKELY(0 != settings->on_##FOR(parser))) { \
Jan Jongboom 0:85fdc69bc10c 87 SET_ERRNO(HPE_CB_##FOR); \
Jan Jongboom 0:85fdc69bc10c 88 } \
Jan Jongboom 0:85fdc69bc10c 89 UPDATE_STATE(parser->state); \
Jan Jongboom 0:85fdc69bc10c 90 \
Jan Jongboom 0:85fdc69bc10c 91 /* We either errored above or got paused; get out */ \
Jan Jongboom 0:85fdc69bc10c 92 if (UNLIKELY(HTTP_PARSER_ERRNO(parser) != HPE_OK)) { \
Jan Jongboom 0:85fdc69bc10c 93 return (ER); \
Jan Jongboom 0:85fdc69bc10c 94 } \
Jan Jongboom 0:85fdc69bc10c 95 } \
Jan Jongboom 0:85fdc69bc10c 96 } while (0)
Jan Jongboom 0:85fdc69bc10c 97
Jan Jongboom 0:85fdc69bc10c 98 /* Run the notify callback FOR and consume the current byte */
Jan Jongboom 0:85fdc69bc10c 99 #define CALLBACK_NOTIFY(FOR) CALLBACK_NOTIFY_(FOR, p - data + 1)
Jan Jongboom 0:85fdc69bc10c 100
Jan Jongboom 0:85fdc69bc10c 101 /* Run the notify callback FOR and don't consume the current byte */
Jan Jongboom 0:85fdc69bc10c 102 #define CALLBACK_NOTIFY_NOADVANCE(FOR) CALLBACK_NOTIFY_(FOR, p - data)
Jan Jongboom 0:85fdc69bc10c 103
Jan Jongboom 0:85fdc69bc10c 104 /* Run data callback FOR with LEN bytes, returning ER if it fails */
Jan Jongboom 0:85fdc69bc10c 105 #define CALLBACK_DATA_(FOR, LEN, ER) \
Jan Jongboom 0:85fdc69bc10c 106 do { \
Jan Jongboom 0:85fdc69bc10c 107 assert(HTTP_PARSER_ERRNO(parser) == HPE_OK); \
Jan Jongboom 0:85fdc69bc10c 108 \
Jan Jongboom 0:85fdc69bc10c 109 if (FOR##_mark) { \
Jan Jongboom 0:85fdc69bc10c 110 if (LIKELY(settings->on_##FOR)) { \
Jan Jongboom 0:85fdc69bc10c 111 parser->state = CURRENT_STATE(); \
Jan Jongboom 0:85fdc69bc10c 112 if (UNLIKELY(0 != \
Jan Jongboom 0:85fdc69bc10c 113 settings->on_##FOR(parser, FOR##_mark, (LEN)))) { \
Jan Jongboom 0:85fdc69bc10c 114 SET_ERRNO(HPE_CB_##FOR); \
Jan Jongboom 0:85fdc69bc10c 115 } \
Jan Jongboom 0:85fdc69bc10c 116 UPDATE_STATE(parser->state); \
Jan Jongboom 0:85fdc69bc10c 117 \
Jan Jongboom 0:85fdc69bc10c 118 /* We either errored above or got paused; get out */ \
Jan Jongboom 0:85fdc69bc10c 119 if (UNLIKELY(HTTP_PARSER_ERRNO(parser) != HPE_OK)) { \
Jan Jongboom 0:85fdc69bc10c 120 return (ER); \
Jan Jongboom 0:85fdc69bc10c 121 } \
Jan Jongboom 0:85fdc69bc10c 122 } \
Jan Jongboom 0:85fdc69bc10c 123 FOR##_mark = NULL; \
Jan Jongboom 0:85fdc69bc10c 124 } \
Jan Jongboom 0:85fdc69bc10c 125 } while (0)
Jan Jongboom 0:85fdc69bc10c 126
Jan Jongboom 0:85fdc69bc10c 127 /* Run the data callback FOR and consume the current byte */
Jan Jongboom 0:85fdc69bc10c 128 #define CALLBACK_DATA(FOR) \
Jan Jongboom 0:85fdc69bc10c 129 CALLBACK_DATA_(FOR, p - FOR##_mark, p - data + 1)
Jan Jongboom 0:85fdc69bc10c 130
Jan Jongboom 0:85fdc69bc10c 131 /* Run the data callback FOR and don't consume the current byte */
Jan Jongboom 0:85fdc69bc10c 132 #define CALLBACK_DATA_NOADVANCE(FOR) \
Jan Jongboom 0:85fdc69bc10c 133 CALLBACK_DATA_(FOR, p - FOR##_mark, p - data)
Jan Jongboom 0:85fdc69bc10c 134
Jan Jongboom 0:85fdc69bc10c 135 /* Set the mark FOR; non-destructive if mark is already set */
Jan Jongboom 0:85fdc69bc10c 136 #define MARK(FOR) \
Jan Jongboom 0:85fdc69bc10c 137 do { \
Jan Jongboom 0:85fdc69bc10c 138 if (!FOR##_mark) { \
Jan Jongboom 0:85fdc69bc10c 139 FOR##_mark = p; \
Jan Jongboom 0:85fdc69bc10c 140 } \
Jan Jongboom 0:85fdc69bc10c 141 } while (0)
Jan Jongboom 0:85fdc69bc10c 142
Jan Jongboom 0:85fdc69bc10c 143 /* Don't allow the total size of the HTTP headers (including the status
Jan Jongboom 0:85fdc69bc10c 144 * line) to exceed HTTP_MAX_HEADER_SIZE. This check is here to protect
Jan Jongboom 0:85fdc69bc10c 145 * embedders against denial-of-service attacks where the attacker feeds
Jan Jongboom 0:85fdc69bc10c 146 * us a never-ending header that the embedder keeps buffering.
Jan Jongboom 0:85fdc69bc10c 147 *
Jan Jongboom 0:85fdc69bc10c 148 * This check is arguably the responsibility of embedders but we're doing
Jan Jongboom 0:85fdc69bc10c 149 * it on the embedder's behalf because most won't bother and this way we
Jan Jongboom 0:85fdc69bc10c 150 * make the web a little safer. HTTP_MAX_HEADER_SIZE is still far bigger
Jan Jongboom 0:85fdc69bc10c 151 * than any reasonable request or response so this should never affect
Jan Jongboom 0:85fdc69bc10c 152 * day-to-day operation.
Jan Jongboom 0:85fdc69bc10c 153 */
Jan Jongboom 0:85fdc69bc10c 154 #define COUNT_HEADER_SIZE(V) \
Jan Jongboom 0:85fdc69bc10c 155 do { \
Jan Jongboom 0:85fdc69bc10c 156 parser->nread += (V); \
Jan Jongboom 0:85fdc69bc10c 157 if (UNLIKELY(parser->nread > (HTTP_MAX_HEADER_SIZE))) { \
Jan Jongboom 0:85fdc69bc10c 158 SET_ERRNO(HPE_HEADER_OVERFLOW); \
Jan Jongboom 0:85fdc69bc10c 159 goto error; \
Jan Jongboom 0:85fdc69bc10c 160 } \
Jan Jongboom 0:85fdc69bc10c 161 } while (0)
Jan Jongboom 0:85fdc69bc10c 162
Jan Jongboom 0:85fdc69bc10c 163
Jan Jongboom 0:85fdc69bc10c 164 #define PROXY_CONNECTION "proxy-connection"
Jan Jongboom 0:85fdc69bc10c 165 #define CONNECTION "connection"
Jan Jongboom 0:85fdc69bc10c 166 #define CONTENT_LENGTH "content-length"
Jan Jongboom 0:85fdc69bc10c 167 #define TRANSFER_ENCODING "transfer-encoding"
Jan Jongboom 0:85fdc69bc10c 168 #define UPGRADE "upgrade"
Jan Jongboom 0:85fdc69bc10c 169 #define CHUNKED "chunked"
Jan Jongboom 0:85fdc69bc10c 170 #define KEEP_ALIVE "keep-alive"
Jan Jongboom 0:85fdc69bc10c 171 #define CLOSE "close"
Jan Jongboom 0:85fdc69bc10c 172
Jan Jongboom 0:85fdc69bc10c 173
Jan Jongboom 0:85fdc69bc10c 174 static const char *method_strings[] =
Jan Jongboom 0:85fdc69bc10c 175 {
Jan Jongboom 0:85fdc69bc10c 176 #define XX(num, name, string) #string,
Jan Jongboom 0:85fdc69bc10c 177 HTTP_METHOD_MAP(XX)
Jan Jongboom 0:85fdc69bc10c 178 #undef XX
Jan Jongboom 0:85fdc69bc10c 179 };
Jan Jongboom 0:85fdc69bc10c 180
Jan Jongboom 0:85fdc69bc10c 181
Jan Jongboom 0:85fdc69bc10c 182 /* Tokens as defined by rfc 2616. Also lowercases them.
Jan Jongboom 0:85fdc69bc10c 183 * token = 1*<any CHAR except CTLs or separators>
Jan Jongboom 0:85fdc69bc10c 184 * separators = "(" | ")" | "<" | ">" | "@"
Jan Jongboom 0:85fdc69bc10c 185 * | "," | ";" | ":" | "\" | <">
Jan Jongboom 0:85fdc69bc10c 186 * | "/" | "[" | "]" | "?" | "="
Jan Jongboom 0:85fdc69bc10c 187 * | "{" | "}" | SP | HT
Jan Jongboom 0:85fdc69bc10c 188 */
Jan Jongboom 0:85fdc69bc10c 189 static const char tokens[256] = {
Jan Jongboom 0:85fdc69bc10c 190 /* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
Jan Jongboom 0:85fdc69bc10c 191 0, 0, 0, 0, 0, 0, 0, 0,
Jan Jongboom 0:85fdc69bc10c 192 /* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
Jan Jongboom 0:85fdc69bc10c 193 0, 0, 0, 0, 0, 0, 0, 0,
Jan Jongboom 0:85fdc69bc10c 194 /* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
Jan Jongboom 0:85fdc69bc10c 195 0, 0, 0, 0, 0, 0, 0, 0,
Jan Jongboom 0:85fdc69bc10c 196 /* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
Jan Jongboom 0:85fdc69bc10c 197 0, 0, 0, 0, 0, 0, 0, 0,
Jan Jongboom 0:85fdc69bc10c 198 /* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
Jan Jongboom 0:85fdc69bc10c 199 0, '!', 0, '#', '$', '%', '&', '\'',
Jan Jongboom 0:85fdc69bc10c 200 /* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
Jan Jongboom 0:85fdc69bc10c 201 0, 0, '*', '+', 0, '-', '.', 0,
Jan Jongboom 0:85fdc69bc10c 202 /* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
Jan Jongboom 0:85fdc69bc10c 203 '0', '1', '2', '3', '4', '5', '6', '7',
Jan Jongboom 0:85fdc69bc10c 204 /* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
Jan Jongboom 0:85fdc69bc10c 205 '8', '9', 0, 0, 0, 0, 0, 0,
Jan Jongboom 0:85fdc69bc10c 206 /* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
Jan Jongboom 0:85fdc69bc10c 207 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
Jan Jongboom 0:85fdc69bc10c 208 /* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
Jan Jongboom 0:85fdc69bc10c 209 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
Jan Jongboom 0:85fdc69bc10c 210 /* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
Jan Jongboom 0:85fdc69bc10c 211 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
Jan Jongboom 0:85fdc69bc10c 212 /* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
Jan Jongboom 0:85fdc69bc10c 213 'x', 'y', 'z', 0, 0, 0, '^', '_',
Jan Jongboom 0:85fdc69bc10c 214 /* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
Jan Jongboom 0:85fdc69bc10c 215 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
Jan Jongboom 0:85fdc69bc10c 216 /* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
Jan Jongboom 0:85fdc69bc10c 217 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
Jan Jongboom 0:85fdc69bc10c 218 /* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
Jan Jongboom 0:85fdc69bc10c 219 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
Jan Jongboom 0:85fdc69bc10c 220 /* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
Jan Jongboom 0:85fdc69bc10c 221 'x', 'y', 'z', 0, '|', 0, '~', 0 };
Jan Jongboom 0:85fdc69bc10c 222
Jan Jongboom 0:85fdc69bc10c 223
Jan Jongboom 0:85fdc69bc10c 224 static const int8_t unhex[256] =
Jan Jongboom 0:85fdc69bc10c 225 {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
Jan Jongboom 0:85fdc69bc10c 226 ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
Jan Jongboom 0:85fdc69bc10c 227 ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
Jan Jongboom 0:85fdc69bc10c 228 , 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1
Jan Jongboom 0:85fdc69bc10c 229 ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
Jan Jongboom 0:85fdc69bc10c 230 ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
Jan Jongboom 0:85fdc69bc10c 231 ,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
Jan Jongboom 0:85fdc69bc10c 232 ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
Jan Jongboom 0:85fdc69bc10c 233 };
Jan Jongboom 0:85fdc69bc10c 234
Jan Jongboom 0:85fdc69bc10c 235
Jan Jongboom 0:85fdc69bc10c 236 #if HTTP_PARSER_STRICT
Jan Jongboom 0:85fdc69bc10c 237 # define T(v) 0
Jan Jongboom 0:85fdc69bc10c 238 #else
Jan Jongboom 0:85fdc69bc10c 239 # define T(v) v
Jan Jongboom 0:85fdc69bc10c 240 #endif
Jan Jongboom 0:85fdc69bc10c 241
Jan Jongboom 0:85fdc69bc10c 242
Jan Jongboom 0:85fdc69bc10c 243 static const uint8_t normal_url_char[32] = {
Jan Jongboom 0:85fdc69bc10c 244 /* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
Jan Jongboom 0:85fdc69bc10c 245 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
Jan Jongboom 0:85fdc69bc10c 246 /* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
Jan Jongboom 0:85fdc69bc10c 247 0 | T(2) | 0 | 0 | T(16) | 0 | 0 | 0,
Jan Jongboom 0:85fdc69bc10c 248 /* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
Jan Jongboom 0:85fdc69bc10c 249 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
Jan Jongboom 0:85fdc69bc10c 250 /* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
Jan Jongboom 0:85fdc69bc10c 251 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
Jan Jongboom 0:85fdc69bc10c 252 /* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
Jan Jongboom 0:85fdc69bc10c 253 0 | 2 | 4 | 0 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 254 /* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
Jan Jongboom 0:85fdc69bc10c 255 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 256 /* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
Jan Jongboom 0:85fdc69bc10c 257 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 258 /* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
Jan Jongboom 0:85fdc69bc10c 259 1 | 2 | 4 | 8 | 16 | 32 | 64 | 0,
Jan Jongboom 0:85fdc69bc10c 260 /* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
Jan Jongboom 0:85fdc69bc10c 261 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 262 /* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
Jan Jongboom 0:85fdc69bc10c 263 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 264 /* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
Jan Jongboom 0:85fdc69bc10c 265 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 266 /* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
Jan Jongboom 0:85fdc69bc10c 267 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 268 /* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
Jan Jongboom 0:85fdc69bc10c 269 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 270 /* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
Jan Jongboom 0:85fdc69bc10c 271 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 272 /* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
Jan Jongboom 0:85fdc69bc10c 273 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
Jan Jongboom 0:85fdc69bc10c 274 /* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
Jan Jongboom 0:85fdc69bc10c 275 1 | 2 | 4 | 8 | 16 | 32 | 64 | 0, };
Jan Jongboom 0:85fdc69bc10c 276
Jan Jongboom 0:85fdc69bc10c 277 #undef T
Jan Jongboom 0:85fdc69bc10c 278
Jan Jongboom 0:85fdc69bc10c 279 enum state
Jan Jongboom 0:85fdc69bc10c 280 { s_dead = 1 /* important that this is > 0 */
Jan Jongboom 0:85fdc69bc10c 281
Jan Jongboom 0:85fdc69bc10c 282 , s_start_req_or_res
Jan Jongboom 0:85fdc69bc10c 283 , s_res_or_resp_H
Jan Jongboom 0:85fdc69bc10c 284 , s_start_res
Jan Jongboom 0:85fdc69bc10c 285 , s_res_H
Jan Jongboom 0:85fdc69bc10c 286 , s_res_HT
Jan Jongboom 0:85fdc69bc10c 287 , s_res_HTT
Jan Jongboom 0:85fdc69bc10c 288 , s_res_HTTP
Jan Jongboom 0:85fdc69bc10c 289 , s_res_first_http_major
Jan Jongboom 0:85fdc69bc10c 290 , s_res_http_major
Jan Jongboom 0:85fdc69bc10c 291 , s_res_first_http_minor
Jan Jongboom 0:85fdc69bc10c 292 , s_res_http_minor
Jan Jongboom 0:85fdc69bc10c 293 , s_res_first_status_code
Jan Jongboom 0:85fdc69bc10c 294 , s_res_status_code
Jan Jongboom 0:85fdc69bc10c 295 , s_res_status_start
Jan Jongboom 0:85fdc69bc10c 296 , s_res_status
Jan Jongboom 0:85fdc69bc10c 297 , s_res_line_almost_done
Jan Jongboom 0:85fdc69bc10c 298
Jan Jongboom 0:85fdc69bc10c 299 , s_start_req
Jan Jongboom 0:85fdc69bc10c 300
Jan Jongboom 0:85fdc69bc10c 301 , s_req_method
Jan Jongboom 0:85fdc69bc10c 302 , s_req_spaces_before_url
Jan Jongboom 0:85fdc69bc10c 303 , s_req_schema
Jan Jongboom 0:85fdc69bc10c 304 , s_req_schema_slash
Jan Jongboom 0:85fdc69bc10c 305 , s_req_schema_slash_slash
Jan Jongboom 0:85fdc69bc10c 306 , s_req_server_start
Jan Jongboom 0:85fdc69bc10c 307 , s_req_server
Jan Jongboom 0:85fdc69bc10c 308 , s_req_server_with_at
Jan Jongboom 0:85fdc69bc10c 309 , s_req_path
Jan Jongboom 0:85fdc69bc10c 310 , s_req_query_string_start
Jan Jongboom 0:85fdc69bc10c 311 , s_req_query_string
Jan Jongboom 0:85fdc69bc10c 312 , s_req_fragment_start
Jan Jongboom 0:85fdc69bc10c 313 , s_req_fragment
Jan Jongboom 0:85fdc69bc10c 314 , s_req_http_start
Jan Jongboom 0:85fdc69bc10c 315 , s_req_http_H
Jan Jongboom 0:85fdc69bc10c 316 , s_req_http_HT
Jan Jongboom 0:85fdc69bc10c 317 , s_req_http_HTT
Jan Jongboom 0:85fdc69bc10c 318 , s_req_http_HTTP
Jan Jongboom 0:85fdc69bc10c 319 , s_req_first_http_major
Jan Jongboom 0:85fdc69bc10c 320 , s_req_http_major
Jan Jongboom 0:85fdc69bc10c 321 , s_req_first_http_minor
Jan Jongboom 0:85fdc69bc10c 322 , s_req_http_minor
Jan Jongboom 0:85fdc69bc10c 323 , s_req_line_almost_done
Jan Jongboom 0:85fdc69bc10c 324
Jan Jongboom 0:85fdc69bc10c 325 , s_header_field_start
Jan Jongboom 0:85fdc69bc10c 326 , s_header_field
Jan Jongboom 0:85fdc69bc10c 327 , s_header_value_discard_ws
Jan Jongboom 0:85fdc69bc10c 328 , s_header_value_discard_ws_almost_done
Jan Jongboom 0:85fdc69bc10c 329 , s_header_value_discard_lws
Jan Jongboom 0:85fdc69bc10c 330 , s_header_value_start
Jan Jongboom 0:85fdc69bc10c 331 , s_header_value
Jan Jongboom 0:85fdc69bc10c 332 , s_header_value_lws
Jan Jongboom 0:85fdc69bc10c 333
Jan Jongboom 0:85fdc69bc10c 334 , s_header_almost_done
Jan Jongboom 0:85fdc69bc10c 335
Jan Jongboom 0:85fdc69bc10c 336 , s_chunk_size_start
Jan Jongboom 0:85fdc69bc10c 337 , s_chunk_size
Jan Jongboom 0:85fdc69bc10c 338 , s_chunk_parameters
Jan Jongboom 0:85fdc69bc10c 339 , s_chunk_size_almost_done
Jan Jongboom 0:85fdc69bc10c 340
Jan Jongboom 0:85fdc69bc10c 341 , s_headers_almost_done
Jan Jongboom 0:85fdc69bc10c 342 , s_headers_done
Jan Jongboom 0:85fdc69bc10c 343
Jan Jongboom 0:85fdc69bc10c 344 /* Important: 's_headers_done' must be the last 'header' state. All
Jan Jongboom 0:85fdc69bc10c 345 * states beyond this must be 'body' states. It is used for overflow
Jan Jongboom 0:85fdc69bc10c 346 * checking. See the PARSING_HEADER() macro.
Jan Jongboom 0:85fdc69bc10c 347 */
Jan Jongboom 0:85fdc69bc10c 348
Jan Jongboom 0:85fdc69bc10c 349 , s_chunk_data
Jan Jongboom 0:85fdc69bc10c 350 , s_chunk_data_almost_done
Jan Jongboom 0:85fdc69bc10c 351 , s_chunk_data_done
Jan Jongboom 0:85fdc69bc10c 352
Jan Jongboom 0:85fdc69bc10c 353 , s_body_identity
Jan Jongboom 0:85fdc69bc10c 354 , s_body_identity_eof
Jan Jongboom 0:85fdc69bc10c 355
Jan Jongboom 0:85fdc69bc10c 356 , s_message_done
Jan Jongboom 0:85fdc69bc10c 357 };
Jan Jongboom 0:85fdc69bc10c 358
Jan Jongboom 0:85fdc69bc10c 359
Jan Jongboom 0:85fdc69bc10c 360 #define PARSING_HEADER(state) (state <= s_headers_done)
Jan Jongboom 0:85fdc69bc10c 361
Jan Jongboom 0:85fdc69bc10c 362
Jan Jongboom 0:85fdc69bc10c 363 enum header_states
Jan Jongboom 0:85fdc69bc10c 364 { h_general = 0
Jan Jongboom 0:85fdc69bc10c 365 , h_C
Jan Jongboom 0:85fdc69bc10c 366 , h_CO
Jan Jongboom 0:85fdc69bc10c 367 , h_CON
Jan Jongboom 0:85fdc69bc10c 368
Jan Jongboom 0:85fdc69bc10c 369 , h_matching_connection
Jan Jongboom 0:85fdc69bc10c 370 , h_matching_proxy_connection
Jan Jongboom 0:85fdc69bc10c 371 , h_matching_content_length
Jan Jongboom 0:85fdc69bc10c 372 , h_matching_transfer_encoding
Jan Jongboom 0:85fdc69bc10c 373 , h_matching_upgrade
Jan Jongboom 0:85fdc69bc10c 374
Jan Jongboom 0:85fdc69bc10c 375 , h_connection
Jan Jongboom 0:85fdc69bc10c 376 , h_content_length
Jan Jongboom 0:85fdc69bc10c 377 , h_transfer_encoding
Jan Jongboom 0:85fdc69bc10c 378 , h_upgrade
Jan Jongboom 0:85fdc69bc10c 379
Jan Jongboom 0:85fdc69bc10c 380 , h_matching_transfer_encoding_chunked
Jan Jongboom 0:85fdc69bc10c 381 , h_matching_connection_token_start
Jan Jongboom 0:85fdc69bc10c 382 , h_matching_connection_keep_alive
Jan Jongboom 0:85fdc69bc10c 383 , h_matching_connection_close
Jan Jongboom 0:85fdc69bc10c 384 , h_matching_connection_upgrade
Jan Jongboom 0:85fdc69bc10c 385 , h_matching_connection_token
Jan Jongboom 0:85fdc69bc10c 386
Jan Jongboom 0:85fdc69bc10c 387 , h_transfer_encoding_chunked
Jan Jongboom 0:85fdc69bc10c 388 , h_connection_keep_alive
Jan Jongboom 0:85fdc69bc10c 389 , h_connection_close
Jan Jongboom 0:85fdc69bc10c 390 , h_connection_upgrade
Jan Jongboom 0:85fdc69bc10c 391 };
Jan Jongboom 0:85fdc69bc10c 392
Jan Jongboom 0:85fdc69bc10c 393 enum http_host_state
Jan Jongboom 0:85fdc69bc10c 394 {
Jan Jongboom 0:85fdc69bc10c 395 s_http_host_dead = 1
Jan Jongboom 0:85fdc69bc10c 396 , s_http_userinfo_start
Jan Jongboom 0:85fdc69bc10c 397 , s_http_userinfo
Jan Jongboom 0:85fdc69bc10c 398 , s_http_host_start
Jan Jongboom 0:85fdc69bc10c 399 , s_http_host_v6_start
Jan Jongboom 0:85fdc69bc10c 400 , s_http_host
Jan Jongboom 0:85fdc69bc10c 401 , s_http_host_v6
Jan Jongboom 0:85fdc69bc10c 402 , s_http_host_v6_end
Jan Jongboom 0:85fdc69bc10c 403 , s_http_host_v6_zone_start
Jan Jongboom 0:85fdc69bc10c 404 , s_http_host_v6_zone
Jan Jongboom 0:85fdc69bc10c 405 , s_http_host_port_start
Jan Jongboom 0:85fdc69bc10c 406 , s_http_host_port
Jan Jongboom 0:85fdc69bc10c 407 };
Jan Jongboom 0:85fdc69bc10c 408
Jan Jongboom 0:85fdc69bc10c 409 /* Macros for character classes; depends on strict-mode */
Jan Jongboom 0:85fdc69bc10c 410 #define CR '\r'
Jan Jongboom 0:85fdc69bc10c 411 #define LF '\n'
Jan Jongboom 0:85fdc69bc10c 412 #define LOWER(c) (unsigned char)(c | 0x20)
Jan Jongboom 0:85fdc69bc10c 413 #define IS_ALPHA(c) (LOWER(c) >= 'a' && LOWER(c) <= 'z')
Jan Jongboom 0:85fdc69bc10c 414 #define IS_NUM(c) ((c) >= '0' && (c) <= '9')
Jan Jongboom 0:85fdc69bc10c 415 #define IS_ALPHANUM(c) (IS_ALPHA(c) || IS_NUM(c))
Jan Jongboom 0:85fdc69bc10c 416 #define IS_HEX(c) (IS_NUM(c) || (LOWER(c) >= 'a' && LOWER(c) <= 'f'))
Jan Jongboom 0:85fdc69bc10c 417 #define IS_MARK(c) ((c) == '-' || (c) == '_' || (c) == '.' || \
Jan Jongboom 0:85fdc69bc10c 418 (c) == '!' || (c) == '~' || (c) == '*' || (c) == '\'' || (c) == '(' || \
Jan Jongboom 0:85fdc69bc10c 419 (c) == ')')
Jan Jongboom 0:85fdc69bc10c 420 #define IS_USERINFO_CHAR(c) (IS_ALPHANUM(c) || IS_MARK(c) || (c) == '%' || \
Jan Jongboom 0:85fdc69bc10c 421 (c) == ';' || (c) == ':' || (c) == '&' || (c) == '=' || (c) == '+' || \
Jan Jongboom 0:85fdc69bc10c 422 (c) == '$' || (c) == ',')
Jan Jongboom 0:85fdc69bc10c 423
Jan Jongboom 0:85fdc69bc10c 424 #define STRICT_TOKEN(c) (tokens[(unsigned char)c])
Jan Jongboom 0:85fdc69bc10c 425
Jan Jongboom 0:85fdc69bc10c 426 #if HTTP_PARSER_STRICT
Jan Jongboom 0:85fdc69bc10c 427 #define TOKEN(c) (tokens[(unsigned char)c])
Jan Jongboom 0:85fdc69bc10c 428 #define IS_URL_CHAR(c) (BIT_AT(normal_url_char, (unsigned char)c))
Jan Jongboom 0:85fdc69bc10c 429 #define IS_HOST_CHAR(c) (IS_ALPHANUM(c) || (c) == '.' || (c) == '-')
Jan Jongboom 0:85fdc69bc10c 430 #else
Jan Jongboom 0:85fdc69bc10c 431 #define TOKEN(c) ((c == ' ') ? ' ' : tokens[(unsigned char)c])
Jan Jongboom 0:85fdc69bc10c 432 #define IS_URL_CHAR(c) \
Jan Jongboom 0:85fdc69bc10c 433 (BIT_AT(normal_url_char, (unsigned char)c) || ((c) & 0x80))
Jan Jongboom 0:85fdc69bc10c 434 #define IS_HOST_CHAR(c) \
Jan Jongboom 0:85fdc69bc10c 435 (IS_ALPHANUM(c) || (c) == '.' || (c) == '-' || (c) == '_')
Jan Jongboom 0:85fdc69bc10c 436 #endif
Jan Jongboom 0:85fdc69bc10c 437
Jan Jongboom 0:85fdc69bc10c 438 /**
Jan Jongboom 0:85fdc69bc10c 439 * Verify that a char is a valid visible (printable) US-ASCII
Jan Jongboom 0:85fdc69bc10c 440 * character or %x80-FF
Jan Jongboom 0:85fdc69bc10c 441 **/
Jan Jongboom 0:85fdc69bc10c 442 #define IS_HEADER_CHAR(ch) \
Jan Jongboom 0:85fdc69bc10c 443 (ch == CR || ch == LF || ch == 9 || ((unsigned char)ch > 31 && ch != 127))
Jan Jongboom 0:85fdc69bc10c 444
Jan Jongboom 0:85fdc69bc10c 445 #define start_state (parser->type == HTTP_REQUEST ? s_start_req : s_start_res)
Jan Jongboom 0:85fdc69bc10c 446
Jan Jongboom 0:85fdc69bc10c 447
Jan Jongboom 0:85fdc69bc10c 448 #if HTTP_PARSER_STRICT
Jan Jongboom 0:85fdc69bc10c 449 # define STRICT_CHECK(cond) \
Jan Jongboom 0:85fdc69bc10c 450 do { \
Jan Jongboom 0:85fdc69bc10c 451 if (cond) { \
Jan Jongboom 0:85fdc69bc10c 452 SET_ERRNO(HPE_STRICT); \
Jan Jongboom 0:85fdc69bc10c 453 goto error; \
Jan Jongboom 0:85fdc69bc10c 454 } \
Jan Jongboom 0:85fdc69bc10c 455 } while (0)
Jan Jongboom 0:85fdc69bc10c 456 # define NEW_MESSAGE() (http_should_keep_alive(parser) ? start_state : s_dead)
Jan Jongboom 0:85fdc69bc10c 457 #else
Jan Jongboom 0:85fdc69bc10c 458 # define STRICT_CHECK(cond)
Jan Jongboom 0:85fdc69bc10c 459 # define NEW_MESSAGE() start_state
Jan Jongboom 0:85fdc69bc10c 460 #endif
Jan Jongboom 0:85fdc69bc10c 461
Jan Jongboom 0:85fdc69bc10c 462
Jan Jongboom 0:85fdc69bc10c 463 /* Map errno values to strings for human-readable output */
Jan Jongboom 0:85fdc69bc10c 464 #define HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s },
Jan Jongboom 0:85fdc69bc10c 465 static struct {
Jan Jongboom 0:85fdc69bc10c 466 const char *name;
Jan Jongboom 0:85fdc69bc10c 467 const char *description;
Jan Jongboom 0:85fdc69bc10c 468 } http_strerror_tab[] = {
Jan Jongboom 0:85fdc69bc10c 469 HTTP_ERRNO_MAP(HTTP_STRERROR_GEN)
Jan Jongboom 0:85fdc69bc10c 470 };
Jan Jongboom 0:85fdc69bc10c 471 #undef HTTP_STRERROR_GEN
Jan Jongboom 0:85fdc69bc10c 472
Jan Jongboom 0:85fdc69bc10c 473 int http_message_needs_eof(const http_parser *parser);
Jan Jongboom 0:85fdc69bc10c 474
Jan Jongboom 0:85fdc69bc10c 475 /* Our URL parser.
Jan Jongboom 0:85fdc69bc10c 476 *
Jan Jongboom 0:85fdc69bc10c 477 * This is designed to be shared by http_parser_execute() for URL validation,
Jan Jongboom 0:85fdc69bc10c 478 * hence it has a state transition + byte-for-byte interface. In addition, it
Jan Jongboom 0:85fdc69bc10c 479 * is meant to be embedded in http_parser_parse_url(), which does the dirty
Jan Jongboom 0:85fdc69bc10c 480 * work of turning state transitions URL components for its API.
Jan Jongboom 0:85fdc69bc10c 481 *
Jan Jongboom 0:85fdc69bc10c 482 * This function should only be invoked with non-space characters. It is
Jan Jongboom 0:85fdc69bc10c 483 * assumed that the caller cares about (and can detect) the transition between
Jan Jongboom 0:85fdc69bc10c 484 * URL and non-URL states by looking for these.
Jan Jongboom 0:85fdc69bc10c 485 */
Jan Jongboom 0:85fdc69bc10c 486 static enum state
Jan Jongboom 0:85fdc69bc10c 487 parse_url_char(enum state s, const char ch)
Jan Jongboom 0:85fdc69bc10c 488 {
Jan Jongboom 0:85fdc69bc10c 489 if (ch == ' ' || ch == '\r' || ch == '\n') {
Jan Jongboom 0:85fdc69bc10c 490 return s_dead;
Jan Jongboom 0:85fdc69bc10c 491 }
Jan Jongboom 0:85fdc69bc10c 492
Jan Jongboom 0:85fdc69bc10c 493 #if HTTP_PARSER_STRICT
Jan Jongboom 0:85fdc69bc10c 494 if (ch == '\t' || ch == '\f') {
Jan Jongboom 0:85fdc69bc10c 495 return s_dead;
Jan Jongboom 0:85fdc69bc10c 496 }
Jan Jongboom 0:85fdc69bc10c 497 #endif
Jan Jongboom 0:85fdc69bc10c 498
Jan Jongboom 0:85fdc69bc10c 499 switch (s) {
Jan Jongboom 0:85fdc69bc10c 500 case s_req_spaces_before_url:
Jan Jongboom 0:85fdc69bc10c 501 /* Proxied requests are followed by scheme of an absolute URI (alpha).
Jan Jongboom 0:85fdc69bc10c 502 * All methods except CONNECT are followed by '/' or '*'.
Jan Jongboom 0:85fdc69bc10c 503 */
Jan Jongboom 0:85fdc69bc10c 504
Jan Jongboom 0:85fdc69bc10c 505 if (ch == '/' || ch == '*') {
Jan Jongboom 0:85fdc69bc10c 506 return s_req_path;
Jan Jongboom 0:85fdc69bc10c 507 }
Jan Jongboom 0:85fdc69bc10c 508
Jan Jongboom 0:85fdc69bc10c 509 if (IS_ALPHA(ch)) {
Jan Jongboom 0:85fdc69bc10c 510 return s_req_schema;
Jan Jongboom 0:85fdc69bc10c 511 }
Jan Jongboom 0:85fdc69bc10c 512
Jan Jongboom 0:85fdc69bc10c 513 break;
Jan Jongboom 0:85fdc69bc10c 514
Jan Jongboom 0:85fdc69bc10c 515 case s_req_schema:
Jan Jongboom 0:85fdc69bc10c 516 if (IS_ALPHA(ch)) {
Jan Jongboom 0:85fdc69bc10c 517 return s;
Jan Jongboom 0:85fdc69bc10c 518 }
Jan Jongboom 0:85fdc69bc10c 519
Jan Jongboom 0:85fdc69bc10c 520 if (ch == ':') {
Jan Jongboom 0:85fdc69bc10c 521 return s_req_schema_slash;
Jan Jongboom 0:85fdc69bc10c 522 }
Jan Jongboom 0:85fdc69bc10c 523
Jan Jongboom 0:85fdc69bc10c 524 break;
Jan Jongboom 0:85fdc69bc10c 525
Jan Jongboom 0:85fdc69bc10c 526 case s_req_schema_slash:
Jan Jongboom 0:85fdc69bc10c 527 if (ch == '/') {
Jan Jongboom 0:85fdc69bc10c 528 return s_req_schema_slash_slash;
Jan Jongboom 0:85fdc69bc10c 529 }
Jan Jongboom 0:85fdc69bc10c 530
Jan Jongboom 0:85fdc69bc10c 531 break;
Jan Jongboom 0:85fdc69bc10c 532
Jan Jongboom 0:85fdc69bc10c 533 case s_req_schema_slash_slash:
Jan Jongboom 0:85fdc69bc10c 534 if (ch == '/') {
Jan Jongboom 0:85fdc69bc10c 535 return s_req_server_start;
Jan Jongboom 0:85fdc69bc10c 536 }
Jan Jongboom 0:85fdc69bc10c 537
Jan Jongboom 0:85fdc69bc10c 538 break;
Jan Jongboom 0:85fdc69bc10c 539
Jan Jongboom 0:85fdc69bc10c 540 case s_req_server_with_at:
Jan Jongboom 0:85fdc69bc10c 541 if (ch == '@') {
Jan Jongboom 0:85fdc69bc10c 542 return s_dead;
Jan Jongboom 0:85fdc69bc10c 543 }
Jan Jongboom 0:85fdc69bc10c 544
Jan Jongboom 0:85fdc69bc10c 545 /* FALLTHROUGH */
Jan Jongboom 0:85fdc69bc10c 546 case s_req_server_start:
Jan Jongboom 0:85fdc69bc10c 547 case s_req_server:
Jan Jongboom 0:85fdc69bc10c 548 if (ch == '/') {
Jan Jongboom 0:85fdc69bc10c 549 return s_req_path;
Jan Jongboom 0:85fdc69bc10c 550 }
Jan Jongboom 0:85fdc69bc10c 551
Jan Jongboom 0:85fdc69bc10c 552 if (ch == '?') {
Jan Jongboom 0:85fdc69bc10c 553 return s_req_query_string_start;
Jan Jongboom 0:85fdc69bc10c 554 }
Jan Jongboom 0:85fdc69bc10c 555
Jan Jongboom 0:85fdc69bc10c 556 if (ch == '@') {
Jan Jongboom 0:85fdc69bc10c 557 return s_req_server_with_at;
Jan Jongboom 0:85fdc69bc10c 558 }
Jan Jongboom 0:85fdc69bc10c 559
Jan Jongboom 0:85fdc69bc10c 560 if (IS_USERINFO_CHAR(ch) || ch == '[' || ch == ']') {
Jan Jongboom 0:85fdc69bc10c 561 return s_req_server;
Jan Jongboom 0:85fdc69bc10c 562 }
Jan Jongboom 0:85fdc69bc10c 563
Jan Jongboom 0:85fdc69bc10c 564 break;
Jan Jongboom 0:85fdc69bc10c 565
Jan Jongboom 0:85fdc69bc10c 566 case s_req_path:
Jan Jongboom 0:85fdc69bc10c 567 if (IS_URL_CHAR(ch)) {
Jan Jongboom 0:85fdc69bc10c 568 return s;
Jan Jongboom 0:85fdc69bc10c 569 }
Jan Jongboom 0:85fdc69bc10c 570
Jan Jongboom 0:85fdc69bc10c 571 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 572 case '?':
Jan Jongboom 0:85fdc69bc10c 573 return s_req_query_string_start;
Jan Jongboom 0:85fdc69bc10c 574
Jan Jongboom 0:85fdc69bc10c 575 case '#':
Jan Jongboom 0:85fdc69bc10c 576 return s_req_fragment_start;
Jan Jongboom 0:85fdc69bc10c 577 }
Jan Jongboom 0:85fdc69bc10c 578
Jan Jongboom 0:85fdc69bc10c 579 break;
Jan Jongboom 0:85fdc69bc10c 580
Jan Jongboom 0:85fdc69bc10c 581 case s_req_query_string_start:
Jan Jongboom 0:85fdc69bc10c 582 case s_req_query_string:
Jan Jongboom 0:85fdc69bc10c 583 if (IS_URL_CHAR(ch)) {
Jan Jongboom 0:85fdc69bc10c 584 return s_req_query_string;
Jan Jongboom 0:85fdc69bc10c 585 }
Jan Jongboom 0:85fdc69bc10c 586
Jan Jongboom 0:85fdc69bc10c 587 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 588 case '?':
Jan Jongboom 0:85fdc69bc10c 589 /* allow extra '?' in query string */
Jan Jongboom 0:85fdc69bc10c 590 return s_req_query_string;
Jan Jongboom 0:85fdc69bc10c 591
Jan Jongboom 0:85fdc69bc10c 592 case '#':
Jan Jongboom 0:85fdc69bc10c 593 return s_req_fragment_start;
Jan Jongboom 0:85fdc69bc10c 594 }
Jan Jongboom 0:85fdc69bc10c 595
Jan Jongboom 0:85fdc69bc10c 596 break;
Jan Jongboom 0:85fdc69bc10c 597
Jan Jongboom 0:85fdc69bc10c 598 case s_req_fragment_start:
Jan Jongboom 0:85fdc69bc10c 599 if (IS_URL_CHAR(ch)) {
Jan Jongboom 0:85fdc69bc10c 600 return s_req_fragment;
Jan Jongboom 0:85fdc69bc10c 601 }
Jan Jongboom 0:85fdc69bc10c 602
Jan Jongboom 0:85fdc69bc10c 603 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 604 case '?':
Jan Jongboom 0:85fdc69bc10c 605 return s_req_fragment;
Jan Jongboom 0:85fdc69bc10c 606
Jan Jongboom 0:85fdc69bc10c 607 case '#':
Jan Jongboom 0:85fdc69bc10c 608 return s;
Jan Jongboom 0:85fdc69bc10c 609 }
Jan Jongboom 0:85fdc69bc10c 610
Jan Jongboom 0:85fdc69bc10c 611 break;
Jan Jongboom 0:85fdc69bc10c 612
Jan Jongboom 0:85fdc69bc10c 613 case s_req_fragment:
Jan Jongboom 0:85fdc69bc10c 614 if (IS_URL_CHAR(ch)) {
Jan Jongboom 0:85fdc69bc10c 615 return s;
Jan Jongboom 0:85fdc69bc10c 616 }
Jan Jongboom 0:85fdc69bc10c 617
Jan Jongboom 0:85fdc69bc10c 618 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 619 case '?':
Jan Jongboom 0:85fdc69bc10c 620 case '#':
Jan Jongboom 0:85fdc69bc10c 621 return s;
Jan Jongboom 0:85fdc69bc10c 622 }
Jan Jongboom 0:85fdc69bc10c 623
Jan Jongboom 0:85fdc69bc10c 624 break;
Jan Jongboom 0:85fdc69bc10c 625
Jan Jongboom 0:85fdc69bc10c 626 default:
Jan Jongboom 0:85fdc69bc10c 627 break;
Jan Jongboom 0:85fdc69bc10c 628 }
Jan Jongboom 0:85fdc69bc10c 629
Jan Jongboom 0:85fdc69bc10c 630 /* We should never fall out of the switch above unless there's an error */
Jan Jongboom 0:85fdc69bc10c 631 return s_dead;
Jan Jongboom 0:85fdc69bc10c 632 }
Jan Jongboom 0:85fdc69bc10c 633
Jan Jongboom 0:85fdc69bc10c 634 size_t http_parser_execute (http_parser *parser,
Jan Jongboom 0:85fdc69bc10c 635 const http_parser_settings *settings,
Jan Jongboom 0:85fdc69bc10c 636 const char *data,
Jan Jongboom 0:85fdc69bc10c 637 size_t len)
Jan Jongboom 0:85fdc69bc10c 638 {
Jan Jongboom 0:85fdc69bc10c 639 char c, ch;
Jan Jongboom 0:85fdc69bc10c 640 int8_t unhex_val;
Jan Jongboom 0:85fdc69bc10c 641 const char *p = data;
Jan Jongboom 0:85fdc69bc10c 642 const char *header_field_mark = 0;
Jan Jongboom 0:85fdc69bc10c 643 const char *header_value_mark = 0;
Jan Jongboom 0:85fdc69bc10c 644 const char *url_mark = 0;
Jan Jongboom 0:85fdc69bc10c 645 const char *body_mark = 0;
Jan Jongboom 0:85fdc69bc10c 646 const char *status_mark = 0;
Jan Jongboom 0:85fdc69bc10c 647 enum state p_state = (enum state) parser->state;
Jan Jongboom 0:85fdc69bc10c 648 const unsigned int lenient = parser->lenient_http_headers;
Jan Jongboom 0:85fdc69bc10c 649
Jan Jongboom 0:85fdc69bc10c 650 /* We're in an error state. Don't bother doing anything. */
Jan Jongboom 0:85fdc69bc10c 651 if (HTTP_PARSER_ERRNO(parser) != HPE_OK) {
Jan Jongboom 0:85fdc69bc10c 652 return 0;
Jan Jongboom 0:85fdc69bc10c 653 }
Jan Jongboom 0:85fdc69bc10c 654
Jan Jongboom 0:85fdc69bc10c 655 if (len == 0) {
Jan Jongboom 0:85fdc69bc10c 656 switch (CURRENT_STATE()) {
Jan Jongboom 0:85fdc69bc10c 657 case s_body_identity_eof:
Jan Jongboom 0:85fdc69bc10c 658 /* Use of CALLBACK_NOTIFY() here would erroneously return 1 byte read if
Jan Jongboom 0:85fdc69bc10c 659 * we got paused.
Jan Jongboom 0:85fdc69bc10c 660 */
Jan Jongboom 0:85fdc69bc10c 661 CALLBACK_NOTIFY_NOADVANCE(message_complete);
Jan Jongboom 0:85fdc69bc10c 662 return 0;
Jan Jongboom 0:85fdc69bc10c 663
Jan Jongboom 0:85fdc69bc10c 664 case s_dead:
Jan Jongboom 0:85fdc69bc10c 665 case s_start_req_or_res:
Jan Jongboom 0:85fdc69bc10c 666 case s_start_res:
Jan Jongboom 0:85fdc69bc10c 667 case s_start_req:
Jan Jongboom 0:85fdc69bc10c 668 return 0;
Jan Jongboom 0:85fdc69bc10c 669
Jan Jongboom 0:85fdc69bc10c 670 default:
Jan Jongboom 0:85fdc69bc10c 671 SET_ERRNO(HPE_INVALID_EOF_STATE);
Jan Jongboom 0:85fdc69bc10c 672 return 1;
Jan Jongboom 0:85fdc69bc10c 673 }
Jan Jongboom 0:85fdc69bc10c 674 }
Jan Jongboom 0:85fdc69bc10c 675
Jan Jongboom 0:85fdc69bc10c 676
Jan Jongboom 0:85fdc69bc10c 677 if (CURRENT_STATE() == s_header_field)
Jan Jongboom 0:85fdc69bc10c 678 header_field_mark = data;
Jan Jongboom 0:85fdc69bc10c 679 if (CURRENT_STATE() == s_header_value)
Jan Jongboom 0:85fdc69bc10c 680 header_value_mark = data;
Jan Jongboom 0:85fdc69bc10c 681 switch (CURRENT_STATE()) {
Jan Jongboom 0:85fdc69bc10c 682 case s_req_path:
Jan Jongboom 0:85fdc69bc10c 683 case s_req_schema:
Jan Jongboom 0:85fdc69bc10c 684 case s_req_schema_slash:
Jan Jongboom 0:85fdc69bc10c 685 case s_req_schema_slash_slash:
Jan Jongboom 0:85fdc69bc10c 686 case s_req_server_start:
Jan Jongboom 0:85fdc69bc10c 687 case s_req_server:
Jan Jongboom 0:85fdc69bc10c 688 case s_req_server_with_at:
Jan Jongboom 0:85fdc69bc10c 689 case s_req_query_string_start:
Jan Jongboom 0:85fdc69bc10c 690 case s_req_query_string:
Jan Jongboom 0:85fdc69bc10c 691 case s_req_fragment_start:
Jan Jongboom 0:85fdc69bc10c 692 case s_req_fragment:
Jan Jongboom 0:85fdc69bc10c 693 url_mark = data;
Jan Jongboom 0:85fdc69bc10c 694 break;
Jan Jongboom 0:85fdc69bc10c 695 case s_res_status:
Jan Jongboom 0:85fdc69bc10c 696 status_mark = data;
Jan Jongboom 0:85fdc69bc10c 697 break;
Jan Jongboom 0:85fdc69bc10c 698 default:
Jan Jongboom 0:85fdc69bc10c 699 break;
Jan Jongboom 0:85fdc69bc10c 700 }
Jan Jongboom 0:85fdc69bc10c 701
Jan Jongboom 0:85fdc69bc10c 702 for (p=data; p != data + len; p++) {
Jan Jongboom 0:85fdc69bc10c 703 ch = *p;
Jan Jongboom 0:85fdc69bc10c 704
Jan Jongboom 0:85fdc69bc10c 705 if (PARSING_HEADER(CURRENT_STATE()))
Jan Jongboom 0:85fdc69bc10c 706 COUNT_HEADER_SIZE(1);
Jan Jongboom 0:85fdc69bc10c 707
Jan Jongboom 0:85fdc69bc10c 708 reexecute:
Jan Jongboom 0:85fdc69bc10c 709 switch (CURRENT_STATE()) {
Jan Jongboom 0:85fdc69bc10c 710
Jan Jongboom 0:85fdc69bc10c 711 case s_dead:
Jan Jongboom 0:85fdc69bc10c 712 /* this state is used after a 'Connection: close' message
Jan Jongboom 0:85fdc69bc10c 713 * the parser will error out if it reads another message
Jan Jongboom 0:85fdc69bc10c 714 */
Jan Jongboom 0:85fdc69bc10c 715 if (LIKELY(ch == CR || ch == LF))
Jan Jongboom 0:85fdc69bc10c 716 break;
Jan Jongboom 0:85fdc69bc10c 717
Jan Jongboom 0:85fdc69bc10c 718 SET_ERRNO(HPE_CLOSED_CONNECTION);
Jan Jongboom 0:85fdc69bc10c 719 goto error;
Jan Jongboom 0:85fdc69bc10c 720
Jan Jongboom 0:85fdc69bc10c 721 case s_start_req_or_res:
Jan Jongboom 0:85fdc69bc10c 722 {
Jan Jongboom 0:85fdc69bc10c 723 if (ch == CR || ch == LF)
Jan Jongboom 0:85fdc69bc10c 724 break;
Jan Jongboom 0:85fdc69bc10c 725 parser->flags = 0;
Jan Jongboom 0:85fdc69bc10c 726 parser->content_length = ULLONG_MAX;
Jan Jongboom 0:85fdc69bc10c 727
Jan Jongboom 0:85fdc69bc10c 728 if (ch == 'H') {
Jan Jongboom 0:85fdc69bc10c 729 UPDATE_STATE(s_res_or_resp_H);
Jan Jongboom 0:85fdc69bc10c 730
Jan Jongboom 0:85fdc69bc10c 731 CALLBACK_NOTIFY(message_begin);
Jan Jongboom 0:85fdc69bc10c 732 } else {
Jan Jongboom 0:85fdc69bc10c 733 parser->type = HTTP_REQUEST;
Jan Jongboom 0:85fdc69bc10c 734 UPDATE_STATE(s_start_req);
Jan Jongboom 0:85fdc69bc10c 735 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 736 }
Jan Jongboom 0:85fdc69bc10c 737
Jan Jongboom 0:85fdc69bc10c 738 break;
Jan Jongboom 0:85fdc69bc10c 739 }
Jan Jongboom 0:85fdc69bc10c 740
Jan Jongboom 0:85fdc69bc10c 741 case s_res_or_resp_H:
Jan Jongboom 0:85fdc69bc10c 742 if (ch == 'T') {
Jan Jongboom 0:85fdc69bc10c 743 parser->type = HTTP_RESPONSE;
Jan Jongboom 0:85fdc69bc10c 744 UPDATE_STATE(s_res_HT);
Jan Jongboom 0:85fdc69bc10c 745 } else {
Jan Jongboom 0:85fdc69bc10c 746 if (UNLIKELY(ch != 'E')) {
Jan Jongboom 0:85fdc69bc10c 747 SET_ERRNO(HPE_INVALID_CONSTANT);
Jan Jongboom 0:85fdc69bc10c 748 goto error;
Jan Jongboom 0:85fdc69bc10c 749 }
Jan Jongboom 0:85fdc69bc10c 750
Jan Jongboom 0:85fdc69bc10c 751 parser->type = HTTP_REQUEST;
Jan Jongboom 0:85fdc69bc10c 752 parser->method = HTTP_HEAD;
Jan Jongboom 0:85fdc69bc10c 753 parser->index = 2;
Jan Jongboom 0:85fdc69bc10c 754 UPDATE_STATE(s_req_method);
Jan Jongboom 0:85fdc69bc10c 755 }
Jan Jongboom 0:85fdc69bc10c 756 break;
Jan Jongboom 0:85fdc69bc10c 757
Jan Jongboom 0:85fdc69bc10c 758 case s_start_res:
Jan Jongboom 0:85fdc69bc10c 759 {
Jan Jongboom 0:85fdc69bc10c 760 parser->flags = 0;
Jan Jongboom 0:85fdc69bc10c 761 parser->content_length = ULLONG_MAX;
Jan Jongboom 0:85fdc69bc10c 762
Jan Jongboom 0:85fdc69bc10c 763 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 764 case 'H':
Jan Jongboom 0:85fdc69bc10c 765 UPDATE_STATE(s_res_H);
Jan Jongboom 0:85fdc69bc10c 766 break;
Jan Jongboom 0:85fdc69bc10c 767
Jan Jongboom 0:85fdc69bc10c 768 case CR:
Jan Jongboom 0:85fdc69bc10c 769 case LF:
Jan Jongboom 0:85fdc69bc10c 770 break;
Jan Jongboom 0:85fdc69bc10c 771
Jan Jongboom 0:85fdc69bc10c 772 default:
Jan Jongboom 0:85fdc69bc10c 773 SET_ERRNO(HPE_INVALID_CONSTANT);
Jan Jongboom 0:85fdc69bc10c 774 goto error;
Jan Jongboom 0:85fdc69bc10c 775 }
Jan Jongboom 0:85fdc69bc10c 776
Jan Jongboom 0:85fdc69bc10c 777 CALLBACK_NOTIFY(message_begin);
Jan Jongboom 0:85fdc69bc10c 778 break;
Jan Jongboom 0:85fdc69bc10c 779 }
Jan Jongboom 0:85fdc69bc10c 780
Jan Jongboom 0:85fdc69bc10c 781 case s_res_H:
Jan Jongboom 0:85fdc69bc10c 782 STRICT_CHECK(ch != 'T');
Jan Jongboom 0:85fdc69bc10c 783 UPDATE_STATE(s_res_HT);
Jan Jongboom 0:85fdc69bc10c 784 break;
Jan Jongboom 0:85fdc69bc10c 785
Jan Jongboom 0:85fdc69bc10c 786 case s_res_HT:
Jan Jongboom 0:85fdc69bc10c 787 STRICT_CHECK(ch != 'T');
Jan Jongboom 0:85fdc69bc10c 788 UPDATE_STATE(s_res_HTT);
Jan Jongboom 0:85fdc69bc10c 789 break;
Jan Jongboom 0:85fdc69bc10c 790
Jan Jongboom 0:85fdc69bc10c 791 case s_res_HTT:
Jan Jongboom 0:85fdc69bc10c 792 STRICT_CHECK(ch != 'P');
Jan Jongboom 0:85fdc69bc10c 793 UPDATE_STATE(s_res_HTTP);
Jan Jongboom 0:85fdc69bc10c 794 break;
Jan Jongboom 0:85fdc69bc10c 795
Jan Jongboom 0:85fdc69bc10c 796 case s_res_HTTP:
Jan Jongboom 0:85fdc69bc10c 797 STRICT_CHECK(ch != '/');
Jan Jongboom 0:85fdc69bc10c 798 UPDATE_STATE(s_res_first_http_major);
Jan Jongboom 0:85fdc69bc10c 799 break;
Jan Jongboom 0:85fdc69bc10c 800
Jan Jongboom 0:85fdc69bc10c 801 case s_res_first_http_major:
Jan Jongboom 0:85fdc69bc10c 802 if (UNLIKELY(ch < '0' || ch > '9')) {
Jan Jongboom 0:85fdc69bc10c 803 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 804 goto error;
Jan Jongboom 0:85fdc69bc10c 805 }
Jan Jongboom 0:85fdc69bc10c 806
Jan Jongboom 0:85fdc69bc10c 807 parser->http_major = ch - '0';
Jan Jongboom 0:85fdc69bc10c 808 UPDATE_STATE(s_res_http_major);
Jan Jongboom 0:85fdc69bc10c 809 break;
Jan Jongboom 0:85fdc69bc10c 810
Jan Jongboom 0:85fdc69bc10c 811 /* major HTTP version or dot */
Jan Jongboom 0:85fdc69bc10c 812 case s_res_http_major:
Jan Jongboom 0:85fdc69bc10c 813 {
Jan Jongboom 0:85fdc69bc10c 814 if (ch == '.') {
Jan Jongboom 0:85fdc69bc10c 815 UPDATE_STATE(s_res_first_http_minor);
Jan Jongboom 0:85fdc69bc10c 816 break;
Jan Jongboom 0:85fdc69bc10c 817 }
Jan Jongboom 0:85fdc69bc10c 818
Jan Jongboom 0:85fdc69bc10c 819 if (!IS_NUM(ch)) {
Jan Jongboom 0:85fdc69bc10c 820 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 821 goto error;
Jan Jongboom 0:85fdc69bc10c 822 }
Jan Jongboom 0:85fdc69bc10c 823
Jan Jongboom 0:85fdc69bc10c 824 parser->http_major *= 10;
Jan Jongboom 0:85fdc69bc10c 825 parser->http_major += ch - '0';
Jan Jongboom 0:85fdc69bc10c 826
Jan Jongboom 0:85fdc69bc10c 827 if (UNLIKELY(parser->http_major > 999)) {
Jan Jongboom 0:85fdc69bc10c 828 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 829 goto error;
Jan Jongboom 0:85fdc69bc10c 830 }
Jan Jongboom 0:85fdc69bc10c 831
Jan Jongboom 0:85fdc69bc10c 832 break;
Jan Jongboom 0:85fdc69bc10c 833 }
Jan Jongboom 0:85fdc69bc10c 834
Jan Jongboom 0:85fdc69bc10c 835 /* first digit of minor HTTP version */
Jan Jongboom 0:85fdc69bc10c 836 case s_res_first_http_minor:
Jan Jongboom 0:85fdc69bc10c 837 if (UNLIKELY(!IS_NUM(ch))) {
Jan Jongboom 0:85fdc69bc10c 838 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 839 goto error;
Jan Jongboom 0:85fdc69bc10c 840 }
Jan Jongboom 0:85fdc69bc10c 841
Jan Jongboom 0:85fdc69bc10c 842 parser->http_minor = ch - '0';
Jan Jongboom 0:85fdc69bc10c 843 UPDATE_STATE(s_res_http_minor);
Jan Jongboom 0:85fdc69bc10c 844 break;
Jan Jongboom 0:85fdc69bc10c 845
Jan Jongboom 0:85fdc69bc10c 846 /* minor HTTP version or end of request line */
Jan Jongboom 0:85fdc69bc10c 847 case s_res_http_minor:
Jan Jongboom 0:85fdc69bc10c 848 {
Jan Jongboom 0:85fdc69bc10c 849 if (ch == ' ') {
Jan Jongboom 0:85fdc69bc10c 850 UPDATE_STATE(s_res_first_status_code);
Jan Jongboom 0:85fdc69bc10c 851 break;
Jan Jongboom 0:85fdc69bc10c 852 }
Jan Jongboom 0:85fdc69bc10c 853
Jan Jongboom 0:85fdc69bc10c 854 if (UNLIKELY(!IS_NUM(ch))) {
Jan Jongboom 0:85fdc69bc10c 855 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 856 goto error;
Jan Jongboom 0:85fdc69bc10c 857 }
Jan Jongboom 0:85fdc69bc10c 858
Jan Jongboom 0:85fdc69bc10c 859 parser->http_minor *= 10;
Jan Jongboom 0:85fdc69bc10c 860 parser->http_minor += ch - '0';
Jan Jongboom 0:85fdc69bc10c 861
Jan Jongboom 0:85fdc69bc10c 862 if (UNLIKELY(parser->http_minor > 999)) {
Jan Jongboom 0:85fdc69bc10c 863 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 864 goto error;
Jan Jongboom 0:85fdc69bc10c 865 }
Jan Jongboom 0:85fdc69bc10c 866
Jan Jongboom 0:85fdc69bc10c 867 break;
Jan Jongboom 0:85fdc69bc10c 868 }
Jan Jongboom 0:85fdc69bc10c 869
Jan Jongboom 0:85fdc69bc10c 870 case s_res_first_status_code:
Jan Jongboom 0:85fdc69bc10c 871 {
Jan Jongboom 0:85fdc69bc10c 872 if (!IS_NUM(ch)) {
Jan Jongboom 0:85fdc69bc10c 873 if (ch == ' ') {
Jan Jongboom 0:85fdc69bc10c 874 break;
Jan Jongboom 0:85fdc69bc10c 875 }
Jan Jongboom 0:85fdc69bc10c 876
Jan Jongboom 0:85fdc69bc10c 877 SET_ERRNO(HPE_INVALID_STATUS);
Jan Jongboom 0:85fdc69bc10c 878 goto error;
Jan Jongboom 0:85fdc69bc10c 879 }
Jan Jongboom 0:85fdc69bc10c 880 parser->status_code = ch - '0';
Jan Jongboom 0:85fdc69bc10c 881 UPDATE_STATE(s_res_status_code);
Jan Jongboom 0:85fdc69bc10c 882 break;
Jan Jongboom 0:85fdc69bc10c 883 }
Jan Jongboom 0:85fdc69bc10c 884
Jan Jongboom 0:85fdc69bc10c 885 case s_res_status_code:
Jan Jongboom 0:85fdc69bc10c 886 {
Jan Jongboom 0:85fdc69bc10c 887 if (!IS_NUM(ch)) {
Jan Jongboom 0:85fdc69bc10c 888 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 889 case ' ':
Jan Jongboom 0:85fdc69bc10c 890 UPDATE_STATE(s_res_status_start);
Jan Jongboom 0:85fdc69bc10c 891 break;
Jan Jongboom 0:85fdc69bc10c 892 case CR:
Jan Jongboom 0:85fdc69bc10c 893 UPDATE_STATE(s_res_line_almost_done);
Jan Jongboom 0:85fdc69bc10c 894 break;
Jan Jongboom 0:85fdc69bc10c 895 case LF:
Jan Jongboom 0:85fdc69bc10c 896 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 897 break;
Jan Jongboom 0:85fdc69bc10c 898 default:
Jan Jongboom 0:85fdc69bc10c 899 SET_ERRNO(HPE_INVALID_STATUS);
Jan Jongboom 0:85fdc69bc10c 900 goto error;
Jan Jongboom 0:85fdc69bc10c 901 }
Jan Jongboom 0:85fdc69bc10c 902 break;
Jan Jongboom 0:85fdc69bc10c 903 }
Jan Jongboom 0:85fdc69bc10c 904
Jan Jongboom 0:85fdc69bc10c 905 parser->status_code *= 10;
Jan Jongboom 0:85fdc69bc10c 906 parser->status_code += ch - '0';
Jan Jongboom 0:85fdc69bc10c 907
Jan Jongboom 0:85fdc69bc10c 908 if (UNLIKELY(parser->status_code > 999)) {
Jan Jongboom 0:85fdc69bc10c 909 SET_ERRNO(HPE_INVALID_STATUS);
Jan Jongboom 0:85fdc69bc10c 910 goto error;
Jan Jongboom 0:85fdc69bc10c 911 }
Jan Jongboom 0:85fdc69bc10c 912
Jan Jongboom 0:85fdc69bc10c 913 break;
Jan Jongboom 0:85fdc69bc10c 914 }
Jan Jongboom 0:85fdc69bc10c 915
Jan Jongboom 0:85fdc69bc10c 916 case s_res_status_start:
Jan Jongboom 0:85fdc69bc10c 917 {
Jan Jongboom 0:85fdc69bc10c 918 if (ch == CR) {
Jan Jongboom 0:85fdc69bc10c 919 UPDATE_STATE(s_res_line_almost_done);
Jan Jongboom 0:85fdc69bc10c 920 break;
Jan Jongboom 0:85fdc69bc10c 921 }
Jan Jongboom 0:85fdc69bc10c 922
Jan Jongboom 0:85fdc69bc10c 923 if (ch == LF) {
Jan Jongboom 0:85fdc69bc10c 924 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 925 break;
Jan Jongboom 0:85fdc69bc10c 926 }
Jan Jongboom 0:85fdc69bc10c 927
Jan Jongboom 0:85fdc69bc10c 928 MARK(status);
Jan Jongboom 0:85fdc69bc10c 929 UPDATE_STATE(s_res_status);
Jan Jongboom 0:85fdc69bc10c 930 parser->index = 0;
Jan Jongboom 0:85fdc69bc10c 931 break;
Jan Jongboom 0:85fdc69bc10c 932 }
Jan Jongboom 0:85fdc69bc10c 933
Jan Jongboom 0:85fdc69bc10c 934 case s_res_status:
Jan Jongboom 0:85fdc69bc10c 935 if (ch == CR) {
Jan Jongboom 0:85fdc69bc10c 936 UPDATE_STATE(s_res_line_almost_done);
Jan Jongboom 0:85fdc69bc10c 937 CALLBACK_DATA(status);
Jan Jongboom 0:85fdc69bc10c 938 break;
Jan Jongboom 0:85fdc69bc10c 939 }
Jan Jongboom 0:85fdc69bc10c 940
Jan Jongboom 0:85fdc69bc10c 941 if (ch == LF) {
Jan Jongboom 0:85fdc69bc10c 942 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 943 CALLBACK_DATA(status);
Jan Jongboom 0:85fdc69bc10c 944 break;
Jan Jongboom 0:85fdc69bc10c 945 }
Jan Jongboom 0:85fdc69bc10c 946
Jan Jongboom 0:85fdc69bc10c 947 break;
Jan Jongboom 0:85fdc69bc10c 948
Jan Jongboom 0:85fdc69bc10c 949 case s_res_line_almost_done:
Jan Jongboom 0:85fdc69bc10c 950 STRICT_CHECK(ch != LF);
Jan Jongboom 0:85fdc69bc10c 951 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 952 break;
Jan Jongboom 0:85fdc69bc10c 953
Jan Jongboom 0:85fdc69bc10c 954 case s_start_req:
Jan Jongboom 0:85fdc69bc10c 955 {
Jan Jongboom 0:85fdc69bc10c 956 if (ch == CR || ch == LF)
Jan Jongboom 0:85fdc69bc10c 957 break;
Jan Jongboom 0:85fdc69bc10c 958 parser->flags = 0;
Jan Jongboom 0:85fdc69bc10c 959 parser->content_length = ULLONG_MAX;
Jan Jongboom 0:85fdc69bc10c 960
Jan Jongboom 0:85fdc69bc10c 961 if (UNLIKELY(!IS_ALPHA(ch))) {
Jan Jongboom 0:85fdc69bc10c 962 SET_ERRNO(HPE_INVALID_METHOD);
Jan Jongboom 0:85fdc69bc10c 963 goto error;
Jan Jongboom 0:85fdc69bc10c 964 }
Jan Jongboom 0:85fdc69bc10c 965
Jan Jongboom 0:85fdc69bc10c 966 parser->method = (enum http_method) 0;
Jan Jongboom 0:85fdc69bc10c 967 parser->index = 1;
Jan Jongboom 0:85fdc69bc10c 968 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 969 case 'A': parser->method = HTTP_ACL; break;
Jan Jongboom 0:85fdc69bc10c 970 case 'B': parser->method = HTTP_BIND; break;
Jan Jongboom 0:85fdc69bc10c 971 case 'C': parser->method = HTTP_CONNECT; /* or COPY, CHECKOUT */ break;
Jan Jongboom 0:85fdc69bc10c 972 case 'D': parser->method = HTTP_DELETE; break;
Jan Jongboom 0:85fdc69bc10c 973 case 'G': parser->method = HTTP_GET; break;
Jan Jongboom 0:85fdc69bc10c 974 case 'H': parser->method = HTTP_HEAD; break;
Jan Jongboom 0:85fdc69bc10c 975 case 'L': parser->method = HTTP_LOCK; /* or LINK */ break;
Jan Jongboom 0:85fdc69bc10c 976 case 'M': parser->method = HTTP_MKCOL; /* or MOVE, MKACTIVITY, MERGE, M-SEARCH, MKCALENDAR */ break;
Jan Jongboom 0:85fdc69bc10c 977 case 'N': parser->method = HTTP_NOTIFY; break;
Jan Jongboom 0:85fdc69bc10c 978 case 'O': parser->method = HTTP_OPTIONS; break;
Jan Jongboom 0:85fdc69bc10c 979 case 'P': parser->method = HTTP_POST;
Jan Jongboom 0:85fdc69bc10c 980 /* or PROPFIND|PROPPATCH|PUT|PATCH|PURGE */
Jan Jongboom 0:85fdc69bc10c 981 break;
Jan Jongboom 0:85fdc69bc10c 982 case 'R': parser->method = HTTP_REPORT; /* or REBIND */ break;
Jan Jongboom 0:85fdc69bc10c 983 case 'S': parser->method = HTTP_SUBSCRIBE; /* or SEARCH */ break;
Jan Jongboom 0:85fdc69bc10c 984 case 'T': parser->method = HTTP_TRACE; break;
Jan Jongboom 0:85fdc69bc10c 985 case 'U': parser->method = HTTP_UNLOCK; /* or UNSUBSCRIBE, UNBIND, UNLINK */ break;
Jan Jongboom 0:85fdc69bc10c 986 default:
Jan Jongboom 0:85fdc69bc10c 987 SET_ERRNO(HPE_INVALID_METHOD);
Jan Jongboom 0:85fdc69bc10c 988 goto error;
Jan Jongboom 0:85fdc69bc10c 989 }
Jan Jongboom 0:85fdc69bc10c 990 UPDATE_STATE(s_req_method);
Jan Jongboom 0:85fdc69bc10c 991
Jan Jongboom 0:85fdc69bc10c 992 CALLBACK_NOTIFY(message_begin);
Jan Jongboom 0:85fdc69bc10c 993
Jan Jongboom 0:85fdc69bc10c 994 break;
Jan Jongboom 0:85fdc69bc10c 995 }
Jan Jongboom 0:85fdc69bc10c 996
Jan Jongboom 0:85fdc69bc10c 997 case s_req_method:
Jan Jongboom 0:85fdc69bc10c 998 {
Jan Jongboom 0:85fdc69bc10c 999 const char *matcher;
Jan Jongboom 0:85fdc69bc10c 1000 if (UNLIKELY(ch == '\0')) {
Jan Jongboom 0:85fdc69bc10c 1001 SET_ERRNO(HPE_INVALID_METHOD);
Jan Jongboom 0:85fdc69bc10c 1002 goto error;
Jan Jongboom 0:85fdc69bc10c 1003 }
Jan Jongboom 0:85fdc69bc10c 1004
Jan Jongboom 0:85fdc69bc10c 1005 matcher = method_strings[parser->method];
Jan Jongboom 0:85fdc69bc10c 1006 if (ch == ' ' && matcher[parser->index] == '\0') {
Jan Jongboom 0:85fdc69bc10c 1007 UPDATE_STATE(s_req_spaces_before_url);
Jan Jongboom 0:85fdc69bc10c 1008 } else if (ch == matcher[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1009 ; /* nada */
Jan Jongboom 0:85fdc69bc10c 1010 } else if (IS_ALPHA(ch)) {
Jan Jongboom 0:85fdc69bc10c 1011
Jan Jongboom 0:85fdc69bc10c 1012 switch (parser->method << 16 | parser->index << 8 | ch) {
Jan Jongboom 0:85fdc69bc10c 1013 #define XX(meth, pos, ch, new_meth) \
Jan Jongboom 0:85fdc69bc10c 1014 case (HTTP_##meth << 16 | pos << 8 | ch): \
Jan Jongboom 0:85fdc69bc10c 1015 parser->method = HTTP_##new_meth; break;
Jan Jongboom 0:85fdc69bc10c 1016
Jan Jongboom 0:85fdc69bc10c 1017 XX(POST, 1, 'U', PUT)
Jan Jongboom 0:85fdc69bc10c 1018 XX(POST, 1, 'A', PATCH)
Jan Jongboom 0:85fdc69bc10c 1019 XX(CONNECT, 1, 'H', CHECKOUT)
Jan Jongboom 0:85fdc69bc10c 1020 XX(CONNECT, 2, 'P', COPY)
Jan Jongboom 0:85fdc69bc10c 1021 XX(MKCOL, 1, 'O', MOVE)
Jan Jongboom 0:85fdc69bc10c 1022 XX(MKCOL, 1, 'E', MERGE)
Jan Jongboom 0:85fdc69bc10c 1023 XX(MKCOL, 2, 'A', MKACTIVITY)
Jan Jongboom 0:85fdc69bc10c 1024 XX(MKCOL, 3, 'A', MKCALENDAR)
Jan Jongboom 0:85fdc69bc10c 1025 XX(SUBSCRIBE, 1, 'E', SEARCH)
Jan Jongboom 0:85fdc69bc10c 1026 XX(REPORT, 2, 'B', REBIND)
Jan Jongboom 0:85fdc69bc10c 1027 XX(POST, 1, 'R', PROPFIND)
Jan Jongboom 0:85fdc69bc10c 1028 XX(PROPFIND, 4, 'P', PROPPATCH)
Jan Jongboom 0:85fdc69bc10c 1029 XX(PUT, 2, 'R', PURGE)
Jan Jongboom 0:85fdc69bc10c 1030 XX(LOCK, 1, 'I', LINK)
Jan Jongboom 0:85fdc69bc10c 1031 XX(UNLOCK, 2, 'S', UNSUBSCRIBE)
Jan Jongboom 0:85fdc69bc10c 1032 XX(UNLOCK, 2, 'B', UNBIND)
Jan Jongboom 0:85fdc69bc10c 1033 XX(UNLOCK, 3, 'I', UNLINK)
Jan Jongboom 0:85fdc69bc10c 1034 #undef XX
Jan Jongboom 0:85fdc69bc10c 1035
Jan Jongboom 0:85fdc69bc10c 1036 default:
Jan Jongboom 0:85fdc69bc10c 1037 SET_ERRNO(HPE_INVALID_METHOD);
Jan Jongboom 0:85fdc69bc10c 1038 goto error;
Jan Jongboom 0:85fdc69bc10c 1039 }
Jan Jongboom 0:85fdc69bc10c 1040 } else if (ch == '-' &&
Jan Jongboom 0:85fdc69bc10c 1041 parser->index == 1 &&
Jan Jongboom 0:85fdc69bc10c 1042 parser->method == HTTP_MKCOL) {
Jan Jongboom 0:85fdc69bc10c 1043 parser->method = HTTP_MSEARCH;
Jan Jongboom 0:85fdc69bc10c 1044 } else {
Jan Jongboom 0:85fdc69bc10c 1045 SET_ERRNO(HPE_INVALID_METHOD);
Jan Jongboom 0:85fdc69bc10c 1046 goto error;
Jan Jongboom 0:85fdc69bc10c 1047 }
Jan Jongboom 0:85fdc69bc10c 1048
Jan Jongboom 0:85fdc69bc10c 1049 ++parser->index;
Jan Jongboom 0:85fdc69bc10c 1050 break;
Jan Jongboom 0:85fdc69bc10c 1051 }
Jan Jongboom 0:85fdc69bc10c 1052
Jan Jongboom 0:85fdc69bc10c 1053 case s_req_spaces_before_url:
Jan Jongboom 0:85fdc69bc10c 1054 {
Jan Jongboom 0:85fdc69bc10c 1055 if (ch == ' ') break;
Jan Jongboom 0:85fdc69bc10c 1056
Jan Jongboom 0:85fdc69bc10c 1057 MARK(url);
Jan Jongboom 0:85fdc69bc10c 1058 if (parser->method == HTTP_CONNECT) {
Jan Jongboom 0:85fdc69bc10c 1059 UPDATE_STATE(s_req_server_start);
Jan Jongboom 0:85fdc69bc10c 1060 }
Jan Jongboom 0:85fdc69bc10c 1061
Jan Jongboom 0:85fdc69bc10c 1062 UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
Jan Jongboom 0:85fdc69bc10c 1063 if (UNLIKELY(CURRENT_STATE() == s_dead)) {
Jan Jongboom 0:85fdc69bc10c 1064 SET_ERRNO(HPE_INVALID_URL);
Jan Jongboom 0:85fdc69bc10c 1065 goto error;
Jan Jongboom 0:85fdc69bc10c 1066 }
Jan Jongboom 0:85fdc69bc10c 1067
Jan Jongboom 0:85fdc69bc10c 1068 break;
Jan Jongboom 0:85fdc69bc10c 1069 }
Jan Jongboom 0:85fdc69bc10c 1070
Jan Jongboom 0:85fdc69bc10c 1071 case s_req_schema:
Jan Jongboom 0:85fdc69bc10c 1072 case s_req_schema_slash:
Jan Jongboom 0:85fdc69bc10c 1073 case s_req_schema_slash_slash:
Jan Jongboom 0:85fdc69bc10c 1074 case s_req_server_start:
Jan Jongboom 0:85fdc69bc10c 1075 {
Jan Jongboom 0:85fdc69bc10c 1076 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 1077 /* No whitespace allowed here */
Jan Jongboom 0:85fdc69bc10c 1078 case ' ':
Jan Jongboom 0:85fdc69bc10c 1079 case CR:
Jan Jongboom 0:85fdc69bc10c 1080 case LF:
Jan Jongboom 0:85fdc69bc10c 1081 SET_ERRNO(HPE_INVALID_URL);
Jan Jongboom 0:85fdc69bc10c 1082 goto error;
Jan Jongboom 0:85fdc69bc10c 1083 default:
Jan Jongboom 0:85fdc69bc10c 1084 UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
Jan Jongboom 0:85fdc69bc10c 1085 if (UNLIKELY(CURRENT_STATE() == s_dead)) {
Jan Jongboom 0:85fdc69bc10c 1086 SET_ERRNO(HPE_INVALID_URL);
Jan Jongboom 0:85fdc69bc10c 1087 goto error;
Jan Jongboom 0:85fdc69bc10c 1088 }
Jan Jongboom 0:85fdc69bc10c 1089 }
Jan Jongboom 0:85fdc69bc10c 1090
Jan Jongboom 0:85fdc69bc10c 1091 break;
Jan Jongboom 0:85fdc69bc10c 1092 }
Jan Jongboom 0:85fdc69bc10c 1093
Jan Jongboom 0:85fdc69bc10c 1094 case s_req_server:
Jan Jongboom 0:85fdc69bc10c 1095 case s_req_server_with_at:
Jan Jongboom 0:85fdc69bc10c 1096 case s_req_path:
Jan Jongboom 0:85fdc69bc10c 1097 case s_req_query_string_start:
Jan Jongboom 0:85fdc69bc10c 1098 case s_req_query_string:
Jan Jongboom 0:85fdc69bc10c 1099 case s_req_fragment_start:
Jan Jongboom 0:85fdc69bc10c 1100 case s_req_fragment:
Jan Jongboom 0:85fdc69bc10c 1101 {
Jan Jongboom 0:85fdc69bc10c 1102 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 1103 case ' ':
Jan Jongboom 0:85fdc69bc10c 1104 UPDATE_STATE(s_req_http_start);
Jan Jongboom 0:85fdc69bc10c 1105 CALLBACK_DATA(url);
Jan Jongboom 0:85fdc69bc10c 1106 break;
Jan Jongboom 0:85fdc69bc10c 1107 case CR:
Jan Jongboom 0:85fdc69bc10c 1108 case LF:
Jan Jongboom 0:85fdc69bc10c 1109 parser->http_major = 0;
Jan Jongboom 0:85fdc69bc10c 1110 parser->http_minor = 9;
Jan Jongboom 0:85fdc69bc10c 1111 UPDATE_STATE((ch == CR) ?
Jan Jongboom 0:85fdc69bc10c 1112 s_req_line_almost_done :
Jan Jongboom 0:85fdc69bc10c 1113 s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 1114 CALLBACK_DATA(url);
Jan Jongboom 0:85fdc69bc10c 1115 break;
Jan Jongboom 0:85fdc69bc10c 1116 default:
Jan Jongboom 0:85fdc69bc10c 1117 UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
Jan Jongboom 0:85fdc69bc10c 1118 if (UNLIKELY(CURRENT_STATE() == s_dead)) {
Jan Jongboom 0:85fdc69bc10c 1119 SET_ERRNO(HPE_INVALID_URL);
Jan Jongboom 0:85fdc69bc10c 1120 goto error;
Jan Jongboom 0:85fdc69bc10c 1121 }
Jan Jongboom 0:85fdc69bc10c 1122 }
Jan Jongboom 0:85fdc69bc10c 1123 break;
Jan Jongboom 0:85fdc69bc10c 1124 }
Jan Jongboom 0:85fdc69bc10c 1125
Jan Jongboom 0:85fdc69bc10c 1126 case s_req_http_start:
Jan Jongboom 0:85fdc69bc10c 1127 switch (ch) {
Jan Jongboom 0:85fdc69bc10c 1128 case 'H':
Jan Jongboom 0:85fdc69bc10c 1129 UPDATE_STATE(s_req_http_H);
Jan Jongboom 0:85fdc69bc10c 1130 break;
Jan Jongboom 0:85fdc69bc10c 1131 case ' ':
Jan Jongboom 0:85fdc69bc10c 1132 break;
Jan Jongboom 0:85fdc69bc10c 1133 default:
Jan Jongboom 0:85fdc69bc10c 1134 SET_ERRNO(HPE_INVALID_CONSTANT);
Jan Jongboom 0:85fdc69bc10c 1135 goto error;
Jan Jongboom 0:85fdc69bc10c 1136 }
Jan Jongboom 0:85fdc69bc10c 1137 break;
Jan Jongboom 0:85fdc69bc10c 1138
Jan Jongboom 0:85fdc69bc10c 1139 case s_req_http_H:
Jan Jongboom 0:85fdc69bc10c 1140 STRICT_CHECK(ch != 'T');
Jan Jongboom 0:85fdc69bc10c 1141 UPDATE_STATE(s_req_http_HT);
Jan Jongboom 0:85fdc69bc10c 1142 break;
Jan Jongboom 0:85fdc69bc10c 1143
Jan Jongboom 0:85fdc69bc10c 1144 case s_req_http_HT:
Jan Jongboom 0:85fdc69bc10c 1145 STRICT_CHECK(ch != 'T');
Jan Jongboom 0:85fdc69bc10c 1146 UPDATE_STATE(s_req_http_HTT);
Jan Jongboom 0:85fdc69bc10c 1147 break;
Jan Jongboom 0:85fdc69bc10c 1148
Jan Jongboom 0:85fdc69bc10c 1149 case s_req_http_HTT:
Jan Jongboom 0:85fdc69bc10c 1150 STRICT_CHECK(ch != 'P');
Jan Jongboom 0:85fdc69bc10c 1151 UPDATE_STATE(s_req_http_HTTP);
Jan Jongboom 0:85fdc69bc10c 1152 break;
Jan Jongboom 0:85fdc69bc10c 1153
Jan Jongboom 0:85fdc69bc10c 1154 case s_req_http_HTTP:
Jan Jongboom 0:85fdc69bc10c 1155 STRICT_CHECK(ch != '/');
Jan Jongboom 0:85fdc69bc10c 1156 UPDATE_STATE(s_req_first_http_major);
Jan Jongboom 0:85fdc69bc10c 1157 break;
Jan Jongboom 0:85fdc69bc10c 1158
Jan Jongboom 0:85fdc69bc10c 1159 /* first digit of major HTTP version */
Jan Jongboom 0:85fdc69bc10c 1160 case s_req_first_http_major:
Jan Jongboom 0:85fdc69bc10c 1161 if (UNLIKELY(ch < '1' || ch > '9')) {
Jan Jongboom 0:85fdc69bc10c 1162 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 1163 goto error;
Jan Jongboom 0:85fdc69bc10c 1164 }
Jan Jongboom 0:85fdc69bc10c 1165
Jan Jongboom 0:85fdc69bc10c 1166 parser->http_major = ch - '0';
Jan Jongboom 0:85fdc69bc10c 1167 UPDATE_STATE(s_req_http_major);
Jan Jongboom 0:85fdc69bc10c 1168 break;
Jan Jongboom 0:85fdc69bc10c 1169
Jan Jongboom 0:85fdc69bc10c 1170 /* major HTTP version or dot */
Jan Jongboom 0:85fdc69bc10c 1171 case s_req_http_major:
Jan Jongboom 0:85fdc69bc10c 1172 {
Jan Jongboom 0:85fdc69bc10c 1173 if (ch == '.') {
Jan Jongboom 0:85fdc69bc10c 1174 UPDATE_STATE(s_req_first_http_minor);
Jan Jongboom 0:85fdc69bc10c 1175 break;
Jan Jongboom 0:85fdc69bc10c 1176 }
Jan Jongboom 0:85fdc69bc10c 1177
Jan Jongboom 0:85fdc69bc10c 1178 if (UNLIKELY(!IS_NUM(ch))) {
Jan Jongboom 0:85fdc69bc10c 1179 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 1180 goto error;
Jan Jongboom 0:85fdc69bc10c 1181 }
Jan Jongboom 0:85fdc69bc10c 1182
Jan Jongboom 0:85fdc69bc10c 1183 parser->http_major *= 10;
Jan Jongboom 0:85fdc69bc10c 1184 parser->http_major += ch - '0';
Jan Jongboom 0:85fdc69bc10c 1185
Jan Jongboom 0:85fdc69bc10c 1186 if (UNLIKELY(parser->http_major > 999)) {
Jan Jongboom 0:85fdc69bc10c 1187 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 1188 goto error;
Jan Jongboom 0:85fdc69bc10c 1189 }
Jan Jongboom 0:85fdc69bc10c 1190
Jan Jongboom 0:85fdc69bc10c 1191 break;
Jan Jongboom 0:85fdc69bc10c 1192 }
Jan Jongboom 0:85fdc69bc10c 1193
Jan Jongboom 0:85fdc69bc10c 1194 /* first digit of minor HTTP version */
Jan Jongboom 0:85fdc69bc10c 1195 case s_req_first_http_minor:
Jan Jongboom 0:85fdc69bc10c 1196 if (UNLIKELY(!IS_NUM(ch))) {
Jan Jongboom 0:85fdc69bc10c 1197 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 1198 goto error;
Jan Jongboom 0:85fdc69bc10c 1199 }
Jan Jongboom 0:85fdc69bc10c 1200
Jan Jongboom 0:85fdc69bc10c 1201 parser->http_minor = ch - '0';
Jan Jongboom 0:85fdc69bc10c 1202 UPDATE_STATE(s_req_http_minor);
Jan Jongboom 0:85fdc69bc10c 1203 break;
Jan Jongboom 0:85fdc69bc10c 1204
Jan Jongboom 0:85fdc69bc10c 1205 /* minor HTTP version or end of request line */
Jan Jongboom 0:85fdc69bc10c 1206 case s_req_http_minor:
Jan Jongboom 0:85fdc69bc10c 1207 {
Jan Jongboom 0:85fdc69bc10c 1208 if (ch == CR) {
Jan Jongboom 0:85fdc69bc10c 1209 UPDATE_STATE(s_req_line_almost_done);
Jan Jongboom 0:85fdc69bc10c 1210 break;
Jan Jongboom 0:85fdc69bc10c 1211 }
Jan Jongboom 0:85fdc69bc10c 1212
Jan Jongboom 0:85fdc69bc10c 1213 if (ch == LF) {
Jan Jongboom 0:85fdc69bc10c 1214 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 1215 break;
Jan Jongboom 0:85fdc69bc10c 1216 }
Jan Jongboom 0:85fdc69bc10c 1217
Jan Jongboom 0:85fdc69bc10c 1218 /* XXX allow spaces after digit? */
Jan Jongboom 0:85fdc69bc10c 1219
Jan Jongboom 0:85fdc69bc10c 1220 if (UNLIKELY(!IS_NUM(ch))) {
Jan Jongboom 0:85fdc69bc10c 1221 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 1222 goto error;
Jan Jongboom 0:85fdc69bc10c 1223 }
Jan Jongboom 0:85fdc69bc10c 1224
Jan Jongboom 0:85fdc69bc10c 1225 parser->http_minor *= 10;
Jan Jongboom 0:85fdc69bc10c 1226 parser->http_minor += ch - '0';
Jan Jongboom 0:85fdc69bc10c 1227
Jan Jongboom 0:85fdc69bc10c 1228 if (UNLIKELY(parser->http_minor > 999)) {
Jan Jongboom 0:85fdc69bc10c 1229 SET_ERRNO(HPE_INVALID_VERSION);
Jan Jongboom 0:85fdc69bc10c 1230 goto error;
Jan Jongboom 0:85fdc69bc10c 1231 }
Jan Jongboom 0:85fdc69bc10c 1232
Jan Jongboom 0:85fdc69bc10c 1233 break;
Jan Jongboom 0:85fdc69bc10c 1234 }
Jan Jongboom 0:85fdc69bc10c 1235
Jan Jongboom 0:85fdc69bc10c 1236 /* end of request line */
Jan Jongboom 0:85fdc69bc10c 1237 case s_req_line_almost_done:
Jan Jongboom 0:85fdc69bc10c 1238 {
Jan Jongboom 0:85fdc69bc10c 1239 if (UNLIKELY(ch != LF)) {
Jan Jongboom 0:85fdc69bc10c 1240 SET_ERRNO(HPE_LF_EXPECTED);
Jan Jongboom 0:85fdc69bc10c 1241 goto error;
Jan Jongboom 0:85fdc69bc10c 1242 }
Jan Jongboom 0:85fdc69bc10c 1243
Jan Jongboom 0:85fdc69bc10c 1244 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 1245 break;
Jan Jongboom 0:85fdc69bc10c 1246 }
Jan Jongboom 0:85fdc69bc10c 1247
Jan Jongboom 0:85fdc69bc10c 1248 case s_header_field_start:
Jan Jongboom 0:85fdc69bc10c 1249 {
Jan Jongboom 0:85fdc69bc10c 1250 if (ch == CR) {
Jan Jongboom 0:85fdc69bc10c 1251 UPDATE_STATE(s_headers_almost_done);
Jan Jongboom 0:85fdc69bc10c 1252 break;
Jan Jongboom 0:85fdc69bc10c 1253 }
Jan Jongboom 0:85fdc69bc10c 1254
Jan Jongboom 0:85fdc69bc10c 1255 if (ch == LF) {
Jan Jongboom 0:85fdc69bc10c 1256 /* they might be just sending \n instead of \r\n so this would be
Jan Jongboom 0:85fdc69bc10c 1257 * the second \n to denote the end of headers*/
Jan Jongboom 0:85fdc69bc10c 1258 UPDATE_STATE(s_headers_almost_done);
Jan Jongboom 0:85fdc69bc10c 1259 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 1260 }
Jan Jongboom 0:85fdc69bc10c 1261
Jan Jongboom 0:85fdc69bc10c 1262 c = TOKEN(ch);
Jan Jongboom 0:85fdc69bc10c 1263
Jan Jongboom 0:85fdc69bc10c 1264 if (UNLIKELY(!c)) {
Jan Jongboom 0:85fdc69bc10c 1265 SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
Jan Jongboom 0:85fdc69bc10c 1266 goto error;
Jan Jongboom 0:85fdc69bc10c 1267 }
Jan Jongboom 0:85fdc69bc10c 1268
Jan Jongboom 0:85fdc69bc10c 1269 MARK(header_field);
Jan Jongboom 0:85fdc69bc10c 1270
Jan Jongboom 0:85fdc69bc10c 1271 parser->index = 0;
Jan Jongboom 0:85fdc69bc10c 1272 UPDATE_STATE(s_header_field);
Jan Jongboom 0:85fdc69bc10c 1273
Jan Jongboom 0:85fdc69bc10c 1274 switch (c) {
Jan Jongboom 0:85fdc69bc10c 1275 case 'c':
Jan Jongboom 0:85fdc69bc10c 1276 parser->header_state = h_C;
Jan Jongboom 0:85fdc69bc10c 1277 break;
Jan Jongboom 0:85fdc69bc10c 1278
Jan Jongboom 0:85fdc69bc10c 1279 case 'p':
Jan Jongboom 0:85fdc69bc10c 1280 parser->header_state = h_matching_proxy_connection;
Jan Jongboom 0:85fdc69bc10c 1281 break;
Jan Jongboom 0:85fdc69bc10c 1282
Jan Jongboom 0:85fdc69bc10c 1283 case 't':
Jan Jongboom 0:85fdc69bc10c 1284 parser->header_state = h_matching_transfer_encoding;
Jan Jongboom 0:85fdc69bc10c 1285 break;
Jan Jongboom 0:85fdc69bc10c 1286
Jan Jongboom 0:85fdc69bc10c 1287 case 'u':
Jan Jongboom 0:85fdc69bc10c 1288 parser->header_state = h_matching_upgrade;
Jan Jongboom 0:85fdc69bc10c 1289 break;
Jan Jongboom 0:85fdc69bc10c 1290
Jan Jongboom 0:85fdc69bc10c 1291 default:
Jan Jongboom 0:85fdc69bc10c 1292 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1293 break;
Jan Jongboom 0:85fdc69bc10c 1294 }
Jan Jongboom 0:85fdc69bc10c 1295 break;
Jan Jongboom 0:85fdc69bc10c 1296 }
Jan Jongboom 0:85fdc69bc10c 1297
Jan Jongboom 0:85fdc69bc10c 1298 case s_header_field:
Jan Jongboom 0:85fdc69bc10c 1299 {
Jan Jongboom 0:85fdc69bc10c 1300 const char* start = p;
Jan Jongboom 0:85fdc69bc10c 1301 for (; p != data + len; p++) {
Jan Jongboom 0:85fdc69bc10c 1302 ch = *p;
Jan Jongboom 0:85fdc69bc10c 1303 c = TOKEN(ch);
Jan Jongboom 0:85fdc69bc10c 1304
Jan Jongboom 0:85fdc69bc10c 1305 if (!c)
Jan Jongboom 0:85fdc69bc10c 1306 break;
Jan Jongboom 0:85fdc69bc10c 1307
Jan Jongboom 0:85fdc69bc10c 1308 switch (parser->header_state) {
Jan Jongboom 0:85fdc69bc10c 1309 case h_general:
Jan Jongboom 0:85fdc69bc10c 1310 break;
Jan Jongboom 0:85fdc69bc10c 1311
Jan Jongboom 0:85fdc69bc10c 1312 case h_C:
Jan Jongboom 0:85fdc69bc10c 1313 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1314 parser->header_state = (c == 'o' ? h_CO : h_general);
Jan Jongboom 0:85fdc69bc10c 1315 break;
Jan Jongboom 0:85fdc69bc10c 1316
Jan Jongboom 0:85fdc69bc10c 1317 case h_CO:
Jan Jongboom 0:85fdc69bc10c 1318 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1319 parser->header_state = (c == 'n' ? h_CON : h_general);
Jan Jongboom 0:85fdc69bc10c 1320 break;
Jan Jongboom 0:85fdc69bc10c 1321
Jan Jongboom 0:85fdc69bc10c 1322 case h_CON:
Jan Jongboom 0:85fdc69bc10c 1323 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1324 switch (c) {
Jan Jongboom 0:85fdc69bc10c 1325 case 'n':
Jan Jongboom 0:85fdc69bc10c 1326 parser->header_state = h_matching_connection;
Jan Jongboom 0:85fdc69bc10c 1327 break;
Jan Jongboom 0:85fdc69bc10c 1328 case 't':
Jan Jongboom 0:85fdc69bc10c 1329 parser->header_state = h_matching_content_length;
Jan Jongboom 0:85fdc69bc10c 1330 break;
Jan Jongboom 0:85fdc69bc10c 1331 default:
Jan Jongboom 0:85fdc69bc10c 1332 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1333 break;
Jan Jongboom 0:85fdc69bc10c 1334 }
Jan Jongboom 0:85fdc69bc10c 1335 break;
Jan Jongboom 0:85fdc69bc10c 1336
Jan Jongboom 0:85fdc69bc10c 1337 /* connection */
Jan Jongboom 0:85fdc69bc10c 1338
Jan Jongboom 0:85fdc69bc10c 1339 case h_matching_connection:
Jan Jongboom 0:85fdc69bc10c 1340 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1341 if (parser->index > sizeof(CONNECTION)-1
Jan Jongboom 0:85fdc69bc10c 1342 || c != CONNECTION[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1343 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1344 } else if (parser->index == sizeof(CONNECTION)-2) {
Jan Jongboom 0:85fdc69bc10c 1345 parser->header_state = h_connection;
Jan Jongboom 0:85fdc69bc10c 1346 }
Jan Jongboom 0:85fdc69bc10c 1347 break;
Jan Jongboom 0:85fdc69bc10c 1348
Jan Jongboom 0:85fdc69bc10c 1349 /* proxy-connection */
Jan Jongboom 0:85fdc69bc10c 1350
Jan Jongboom 0:85fdc69bc10c 1351 case h_matching_proxy_connection:
Jan Jongboom 0:85fdc69bc10c 1352 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1353 if (parser->index > sizeof(PROXY_CONNECTION)-1
Jan Jongboom 0:85fdc69bc10c 1354 || c != PROXY_CONNECTION[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1355 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1356 } else if (parser->index == sizeof(PROXY_CONNECTION)-2) {
Jan Jongboom 0:85fdc69bc10c 1357 parser->header_state = h_connection;
Jan Jongboom 0:85fdc69bc10c 1358 }
Jan Jongboom 0:85fdc69bc10c 1359 break;
Jan Jongboom 0:85fdc69bc10c 1360
Jan Jongboom 0:85fdc69bc10c 1361 /* content-length */
Jan Jongboom 0:85fdc69bc10c 1362
Jan Jongboom 0:85fdc69bc10c 1363 case h_matching_content_length:
Jan Jongboom 0:85fdc69bc10c 1364 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1365 if (parser->index > sizeof(CONTENT_LENGTH)-1
Jan Jongboom 0:85fdc69bc10c 1366 || c != CONTENT_LENGTH[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1367 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1368 } else if (parser->index == sizeof(CONTENT_LENGTH)-2) {
Jan Jongboom 0:85fdc69bc10c 1369 parser->header_state = h_content_length;
Jan Jongboom 0:85fdc69bc10c 1370 }
Jan Jongboom 0:85fdc69bc10c 1371 break;
Jan Jongboom 0:85fdc69bc10c 1372
Jan Jongboom 0:85fdc69bc10c 1373 /* transfer-encoding */
Jan Jongboom 0:85fdc69bc10c 1374
Jan Jongboom 0:85fdc69bc10c 1375 case h_matching_transfer_encoding:
Jan Jongboom 0:85fdc69bc10c 1376 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1377 if (parser->index > sizeof(TRANSFER_ENCODING)-1
Jan Jongboom 0:85fdc69bc10c 1378 || c != TRANSFER_ENCODING[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1379 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1380 } else if (parser->index == sizeof(TRANSFER_ENCODING)-2) {
Jan Jongboom 0:85fdc69bc10c 1381 parser->header_state = h_transfer_encoding;
Jan Jongboom 0:85fdc69bc10c 1382 }
Jan Jongboom 0:85fdc69bc10c 1383 break;
Jan Jongboom 0:85fdc69bc10c 1384
Jan Jongboom 0:85fdc69bc10c 1385 /* upgrade */
Jan Jongboom 0:85fdc69bc10c 1386
Jan Jongboom 0:85fdc69bc10c 1387 case h_matching_upgrade:
Jan Jongboom 0:85fdc69bc10c 1388 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1389 if (parser->index > sizeof(UPGRADE)-1
Jan Jongboom 0:85fdc69bc10c 1390 || c != UPGRADE[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1391 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1392 } else if (parser->index == sizeof(UPGRADE)-2) {
Jan Jongboom 0:85fdc69bc10c 1393 parser->header_state = h_upgrade;
Jan Jongboom 0:85fdc69bc10c 1394 }
Jan Jongboom 0:85fdc69bc10c 1395 break;
Jan Jongboom 0:85fdc69bc10c 1396
Jan Jongboom 0:85fdc69bc10c 1397 case h_connection:
Jan Jongboom 0:85fdc69bc10c 1398 case h_content_length:
Jan Jongboom 0:85fdc69bc10c 1399 case h_transfer_encoding:
Jan Jongboom 0:85fdc69bc10c 1400 case h_upgrade:
Jan Jongboom 0:85fdc69bc10c 1401 if (ch != ' ') parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1402 break;
Jan Jongboom 0:85fdc69bc10c 1403
Jan Jongboom 0:85fdc69bc10c 1404 default:
Jan Jongboom 0:85fdc69bc10c 1405 assert(0 && "Unknown header_state");
Jan Jongboom 0:85fdc69bc10c 1406 break;
Jan Jongboom 0:85fdc69bc10c 1407 }
Jan Jongboom 0:85fdc69bc10c 1408 }
Jan Jongboom 0:85fdc69bc10c 1409
Jan Jongboom 0:85fdc69bc10c 1410 COUNT_HEADER_SIZE(p - start);
Jan Jongboom 0:85fdc69bc10c 1411
Jan Jongboom 0:85fdc69bc10c 1412 if (p == data + len) {
Jan Jongboom 0:85fdc69bc10c 1413 --p;
Jan Jongboom 0:85fdc69bc10c 1414 break;
Jan Jongboom 0:85fdc69bc10c 1415 }
Jan Jongboom 0:85fdc69bc10c 1416
Jan Jongboom 0:85fdc69bc10c 1417 if (ch == ':') {
Jan Jongboom 0:85fdc69bc10c 1418 UPDATE_STATE(s_header_value_discard_ws);
Jan Jongboom 0:85fdc69bc10c 1419 CALLBACK_DATA(header_field);
Jan Jongboom 0:85fdc69bc10c 1420 break;
Jan Jongboom 0:85fdc69bc10c 1421 }
Jan Jongboom 0:85fdc69bc10c 1422
Jan Jongboom 0:85fdc69bc10c 1423 SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
Jan Jongboom 0:85fdc69bc10c 1424 goto error;
Jan Jongboom 0:85fdc69bc10c 1425 }
Jan Jongboom 0:85fdc69bc10c 1426
Jan Jongboom 0:85fdc69bc10c 1427 case s_header_value_discard_ws:
Jan Jongboom 0:85fdc69bc10c 1428 if (ch == ' ' || ch == '\t') break;
Jan Jongboom 0:85fdc69bc10c 1429
Jan Jongboom 0:85fdc69bc10c 1430 if (ch == CR) {
Jan Jongboom 0:85fdc69bc10c 1431 UPDATE_STATE(s_header_value_discard_ws_almost_done);
Jan Jongboom 0:85fdc69bc10c 1432 break;
Jan Jongboom 0:85fdc69bc10c 1433 }
Jan Jongboom 0:85fdc69bc10c 1434
Jan Jongboom 0:85fdc69bc10c 1435 if (ch == LF) {
Jan Jongboom 0:85fdc69bc10c 1436 UPDATE_STATE(s_header_value_discard_lws);
Jan Jongboom 0:85fdc69bc10c 1437 break;
Jan Jongboom 0:85fdc69bc10c 1438 }
Jan Jongboom 0:85fdc69bc10c 1439
Jan Jongboom 0:85fdc69bc10c 1440 /* FALLTHROUGH */
Jan Jongboom 0:85fdc69bc10c 1441
Jan Jongboom 0:85fdc69bc10c 1442 case s_header_value_start:
Jan Jongboom 0:85fdc69bc10c 1443 {
Jan Jongboom 0:85fdc69bc10c 1444 MARK(header_value);
Jan Jongboom 0:85fdc69bc10c 1445
Jan Jongboom 0:85fdc69bc10c 1446 UPDATE_STATE(s_header_value);
Jan Jongboom 0:85fdc69bc10c 1447 parser->index = 0;
Jan Jongboom 0:85fdc69bc10c 1448
Jan Jongboom 0:85fdc69bc10c 1449 c = LOWER(ch);
Jan Jongboom 0:85fdc69bc10c 1450
Jan Jongboom 0:85fdc69bc10c 1451 switch (parser->header_state) {
Jan Jongboom 0:85fdc69bc10c 1452 case h_upgrade:
Jan Jongboom 0:85fdc69bc10c 1453 parser->flags |= F_UPGRADE;
Jan Jongboom 0:85fdc69bc10c 1454 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1455 break;
Jan Jongboom 0:85fdc69bc10c 1456
Jan Jongboom 0:85fdc69bc10c 1457 case h_transfer_encoding:
Jan Jongboom 0:85fdc69bc10c 1458 /* looking for 'Transfer-Encoding: chunked' */
Jan Jongboom 0:85fdc69bc10c 1459 if ('c' == c) {
Jan Jongboom 0:85fdc69bc10c 1460 parser->header_state = h_matching_transfer_encoding_chunked;
Jan Jongboom 0:85fdc69bc10c 1461 } else {
Jan Jongboom 0:85fdc69bc10c 1462 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1463 }
Jan Jongboom 0:85fdc69bc10c 1464 break;
Jan Jongboom 0:85fdc69bc10c 1465
Jan Jongboom 0:85fdc69bc10c 1466 case h_content_length:
Jan Jongboom 0:85fdc69bc10c 1467 if (UNLIKELY(!IS_NUM(ch))) {
Jan Jongboom 0:85fdc69bc10c 1468 SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
Jan Jongboom 0:85fdc69bc10c 1469 goto error;
Jan Jongboom 0:85fdc69bc10c 1470 }
Jan Jongboom 0:85fdc69bc10c 1471
Jan Jongboom 0:85fdc69bc10c 1472 if (parser->flags & F_CONTENTLENGTH) {
Jan Jongboom 0:85fdc69bc10c 1473 SET_ERRNO(HPE_UNEXPECTED_CONTENT_LENGTH);
Jan Jongboom 0:85fdc69bc10c 1474 goto error;
Jan Jongboom 0:85fdc69bc10c 1475 }
Jan Jongboom 0:85fdc69bc10c 1476
Jan Jongboom 0:85fdc69bc10c 1477 parser->flags |= F_CONTENTLENGTH;
Jan Jongboom 0:85fdc69bc10c 1478 parser->content_length = ch - '0';
Jan Jongboom 0:85fdc69bc10c 1479 break;
Jan Jongboom 0:85fdc69bc10c 1480
Jan Jongboom 0:85fdc69bc10c 1481 case h_connection:
Jan Jongboom 0:85fdc69bc10c 1482 /* looking for 'Connection: keep-alive' */
Jan Jongboom 0:85fdc69bc10c 1483 if (c == 'k') {
Jan Jongboom 0:85fdc69bc10c 1484 parser->header_state = h_matching_connection_keep_alive;
Jan Jongboom 0:85fdc69bc10c 1485 /* looking for 'Connection: close' */
Jan Jongboom 0:85fdc69bc10c 1486 } else if (c == 'c') {
Jan Jongboom 0:85fdc69bc10c 1487 parser->header_state = h_matching_connection_close;
Jan Jongboom 0:85fdc69bc10c 1488 } else if (c == 'u') {
Jan Jongboom 0:85fdc69bc10c 1489 parser->header_state = h_matching_connection_upgrade;
Jan Jongboom 0:85fdc69bc10c 1490 } else {
Jan Jongboom 0:85fdc69bc10c 1491 parser->header_state = h_matching_connection_token;
Jan Jongboom 0:85fdc69bc10c 1492 }
Jan Jongboom 0:85fdc69bc10c 1493 break;
Jan Jongboom 0:85fdc69bc10c 1494
Jan Jongboom 0:85fdc69bc10c 1495 /* Multi-value `Connection` header */
Jan Jongboom 0:85fdc69bc10c 1496 case h_matching_connection_token_start:
Jan Jongboom 0:85fdc69bc10c 1497 break;
Jan Jongboom 0:85fdc69bc10c 1498
Jan Jongboom 0:85fdc69bc10c 1499 default:
Jan Jongboom 0:85fdc69bc10c 1500 parser->header_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1501 break;
Jan Jongboom 0:85fdc69bc10c 1502 }
Jan Jongboom 0:85fdc69bc10c 1503 break;
Jan Jongboom 0:85fdc69bc10c 1504 }
Jan Jongboom 0:85fdc69bc10c 1505
Jan Jongboom 0:85fdc69bc10c 1506 case s_header_value:
Jan Jongboom 0:85fdc69bc10c 1507 {
Jan Jongboom 0:85fdc69bc10c 1508 const char* start = p;
Jan Jongboom 0:85fdc69bc10c 1509 enum header_states h_state = (enum header_states) parser->header_state;
Jan Jongboom 0:85fdc69bc10c 1510 for (; p != data + len; p++) {
Jan Jongboom 0:85fdc69bc10c 1511 ch = *p;
Jan Jongboom 0:85fdc69bc10c 1512 if (ch == CR) {
Jan Jongboom 0:85fdc69bc10c 1513 UPDATE_STATE(s_header_almost_done);
Jan Jongboom 0:85fdc69bc10c 1514 parser->header_state = h_state;
Jan Jongboom 0:85fdc69bc10c 1515 CALLBACK_DATA(header_value);
Jan Jongboom 0:85fdc69bc10c 1516 break;
Jan Jongboom 0:85fdc69bc10c 1517 }
Jan Jongboom 0:85fdc69bc10c 1518
Jan Jongboom 0:85fdc69bc10c 1519 if (ch == LF) {
Jan Jongboom 0:85fdc69bc10c 1520 UPDATE_STATE(s_header_almost_done);
Jan Jongboom 0:85fdc69bc10c 1521 COUNT_HEADER_SIZE(p - start);
Jan Jongboom 0:85fdc69bc10c 1522 parser->header_state = h_state;
Jan Jongboom 0:85fdc69bc10c 1523 CALLBACK_DATA_NOADVANCE(header_value);
Jan Jongboom 0:85fdc69bc10c 1524 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 1525 }
Jan Jongboom 0:85fdc69bc10c 1526
Jan Jongboom 0:85fdc69bc10c 1527 if (!lenient && !IS_HEADER_CHAR(ch)) {
Jan Jongboom 0:85fdc69bc10c 1528 SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
Jan Jongboom 0:85fdc69bc10c 1529 goto error;
Jan Jongboom 0:85fdc69bc10c 1530 }
Jan Jongboom 0:85fdc69bc10c 1531
Jan Jongboom 0:85fdc69bc10c 1532 c = LOWER(ch);
Jan Jongboom 0:85fdc69bc10c 1533
Jan Jongboom 0:85fdc69bc10c 1534 switch (h_state) {
Jan Jongboom 0:85fdc69bc10c 1535 case h_general:
Jan Jongboom 0:85fdc69bc10c 1536 {
Jan Jongboom 0:85fdc69bc10c 1537 const char* p_cr;
Jan Jongboom 0:85fdc69bc10c 1538 const char* p_lf;
Jan Jongboom 0:85fdc69bc10c 1539 size_t limit = data + len - p;
Jan Jongboom 0:85fdc69bc10c 1540
Jan Jongboom 0:85fdc69bc10c 1541 limit = MIN(limit, HTTP_MAX_HEADER_SIZE);
Jan Jongboom 0:85fdc69bc10c 1542
Jan Jongboom 0:85fdc69bc10c 1543 p_cr = (const char*) memchr(p, CR, limit);
Jan Jongboom 0:85fdc69bc10c 1544 p_lf = (const char*) memchr(p, LF, limit);
Jan Jongboom 0:85fdc69bc10c 1545 if (p_cr != NULL) {
Jan Jongboom 0:85fdc69bc10c 1546 if (p_lf != NULL && p_cr >= p_lf)
Jan Jongboom 0:85fdc69bc10c 1547 p = p_lf;
Jan Jongboom 0:85fdc69bc10c 1548 else
Jan Jongboom 0:85fdc69bc10c 1549 p = p_cr;
Jan Jongboom 0:85fdc69bc10c 1550 } else if (UNLIKELY(p_lf != NULL)) {
Jan Jongboom 0:85fdc69bc10c 1551 p = p_lf;
Jan Jongboom 0:85fdc69bc10c 1552 } else {
Jan Jongboom 0:85fdc69bc10c 1553 p = data + len;
Jan Jongboom 0:85fdc69bc10c 1554 }
Jan Jongboom 0:85fdc69bc10c 1555 --p;
Jan Jongboom 0:85fdc69bc10c 1556
Jan Jongboom 0:85fdc69bc10c 1557 break;
Jan Jongboom 0:85fdc69bc10c 1558 }
Jan Jongboom 0:85fdc69bc10c 1559
Jan Jongboom 0:85fdc69bc10c 1560 case h_connection:
Jan Jongboom 0:85fdc69bc10c 1561 case h_transfer_encoding:
Jan Jongboom 0:85fdc69bc10c 1562 assert(0 && "Shouldn't get here.");
Jan Jongboom 0:85fdc69bc10c 1563 break;
Jan Jongboom 0:85fdc69bc10c 1564
Jan Jongboom 0:85fdc69bc10c 1565 case h_content_length:
Jan Jongboom 0:85fdc69bc10c 1566 {
Jan Jongboom 0:85fdc69bc10c 1567 uint64_t t;
Jan Jongboom 0:85fdc69bc10c 1568
Jan Jongboom 0:85fdc69bc10c 1569 if (ch == ' ') break;
Jan Jongboom 0:85fdc69bc10c 1570
Jan Jongboom 0:85fdc69bc10c 1571 if (UNLIKELY(!IS_NUM(ch))) {
Jan Jongboom 0:85fdc69bc10c 1572 SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
Jan Jongboom 0:85fdc69bc10c 1573 parser->header_state = h_state;
Jan Jongboom 0:85fdc69bc10c 1574 goto error;
Jan Jongboom 0:85fdc69bc10c 1575 }
Jan Jongboom 0:85fdc69bc10c 1576
Jan Jongboom 0:85fdc69bc10c 1577 t = parser->content_length;
Jan Jongboom 0:85fdc69bc10c 1578 t *= 10;
Jan Jongboom 0:85fdc69bc10c 1579 t += ch - '0';
Jan Jongboom 0:85fdc69bc10c 1580
Jan Jongboom 0:85fdc69bc10c 1581 /* Overflow? Test against a conservative limit for simplicity. */
Jan Jongboom 0:85fdc69bc10c 1582 if (UNLIKELY((ULLONG_MAX - 10) / 10 < parser->content_length)) {
Jan Jongboom 0:85fdc69bc10c 1583 SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
Jan Jongboom 0:85fdc69bc10c 1584 parser->header_state = h_state;
Jan Jongboom 0:85fdc69bc10c 1585 goto error;
Jan Jongboom 0:85fdc69bc10c 1586 }
Jan Jongboom 0:85fdc69bc10c 1587
Jan Jongboom 0:85fdc69bc10c 1588 parser->content_length = t;
Jan Jongboom 0:85fdc69bc10c 1589 break;
Jan Jongboom 0:85fdc69bc10c 1590 }
Jan Jongboom 0:85fdc69bc10c 1591
Jan Jongboom 0:85fdc69bc10c 1592 /* Transfer-Encoding: chunked */
Jan Jongboom 0:85fdc69bc10c 1593 case h_matching_transfer_encoding_chunked:
Jan Jongboom 0:85fdc69bc10c 1594 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1595 if (parser->index > sizeof(CHUNKED)-1
Jan Jongboom 0:85fdc69bc10c 1596 || c != CHUNKED[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1597 h_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1598 } else if (parser->index == sizeof(CHUNKED)-2) {
Jan Jongboom 0:85fdc69bc10c 1599 h_state = h_transfer_encoding_chunked;
Jan Jongboom 0:85fdc69bc10c 1600 }
Jan Jongboom 0:85fdc69bc10c 1601 break;
Jan Jongboom 0:85fdc69bc10c 1602
Jan Jongboom 0:85fdc69bc10c 1603 case h_matching_connection_token_start:
Jan Jongboom 0:85fdc69bc10c 1604 /* looking for 'Connection: keep-alive' */
Jan Jongboom 0:85fdc69bc10c 1605 if (c == 'k') {
Jan Jongboom 0:85fdc69bc10c 1606 h_state = h_matching_connection_keep_alive;
Jan Jongboom 0:85fdc69bc10c 1607 /* looking for 'Connection: close' */
Jan Jongboom 0:85fdc69bc10c 1608 } else if (c == 'c') {
Jan Jongboom 0:85fdc69bc10c 1609 h_state = h_matching_connection_close;
Jan Jongboom 0:85fdc69bc10c 1610 } else if (c == 'u') {
Jan Jongboom 0:85fdc69bc10c 1611 h_state = h_matching_connection_upgrade;
Jan Jongboom 0:85fdc69bc10c 1612 } else if (STRICT_TOKEN(c)) {
Jan Jongboom 0:85fdc69bc10c 1613 h_state = h_matching_connection_token;
Jan Jongboom 0:85fdc69bc10c 1614 } else if (c == ' ' || c == '\t') {
Jan Jongboom 0:85fdc69bc10c 1615 /* Skip lws */
Jan Jongboom 0:85fdc69bc10c 1616 } else {
Jan Jongboom 0:85fdc69bc10c 1617 h_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1618 }
Jan Jongboom 0:85fdc69bc10c 1619 break;
Jan Jongboom 0:85fdc69bc10c 1620
Jan Jongboom 0:85fdc69bc10c 1621 /* looking for 'Connection: keep-alive' */
Jan Jongboom 0:85fdc69bc10c 1622 case h_matching_connection_keep_alive:
Jan Jongboom 0:85fdc69bc10c 1623 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1624 if (parser->index > sizeof(KEEP_ALIVE)-1
Jan Jongboom 0:85fdc69bc10c 1625 || c != KEEP_ALIVE[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1626 h_state = h_matching_connection_token;
Jan Jongboom 0:85fdc69bc10c 1627 } else if (parser->index == sizeof(KEEP_ALIVE)-2) {
Jan Jongboom 0:85fdc69bc10c 1628 h_state = h_connection_keep_alive;
Jan Jongboom 0:85fdc69bc10c 1629 }
Jan Jongboom 0:85fdc69bc10c 1630 break;
Jan Jongboom 0:85fdc69bc10c 1631
Jan Jongboom 0:85fdc69bc10c 1632 /* looking for 'Connection: close' */
Jan Jongboom 0:85fdc69bc10c 1633 case h_matching_connection_close:
Jan Jongboom 0:85fdc69bc10c 1634 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1635 if (parser->index > sizeof(CLOSE)-1 || c != CLOSE[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1636 h_state = h_matching_connection_token;
Jan Jongboom 0:85fdc69bc10c 1637 } else if (parser->index == sizeof(CLOSE)-2) {
Jan Jongboom 0:85fdc69bc10c 1638 h_state = h_connection_close;
Jan Jongboom 0:85fdc69bc10c 1639 }
Jan Jongboom 0:85fdc69bc10c 1640 break;
Jan Jongboom 0:85fdc69bc10c 1641
Jan Jongboom 0:85fdc69bc10c 1642 /* looking for 'Connection: upgrade' */
Jan Jongboom 0:85fdc69bc10c 1643 case h_matching_connection_upgrade:
Jan Jongboom 0:85fdc69bc10c 1644 parser->index++;
Jan Jongboom 0:85fdc69bc10c 1645 if (parser->index > sizeof(UPGRADE) - 1 ||
Jan Jongboom 0:85fdc69bc10c 1646 c != UPGRADE[parser->index]) {
Jan Jongboom 0:85fdc69bc10c 1647 h_state = h_matching_connection_token;
Jan Jongboom 0:85fdc69bc10c 1648 } else if (parser->index == sizeof(UPGRADE)-2) {
Jan Jongboom 0:85fdc69bc10c 1649 h_state = h_connection_upgrade;
Jan Jongboom 0:85fdc69bc10c 1650 }
Jan Jongboom 0:85fdc69bc10c 1651 break;
Jan Jongboom 0:85fdc69bc10c 1652
Jan Jongboom 0:85fdc69bc10c 1653 case h_matching_connection_token:
Jan Jongboom 0:85fdc69bc10c 1654 if (ch == ',') {
Jan Jongboom 0:85fdc69bc10c 1655 h_state = h_matching_connection_token_start;
Jan Jongboom 0:85fdc69bc10c 1656 parser->index = 0;
Jan Jongboom 0:85fdc69bc10c 1657 }
Jan Jongboom 0:85fdc69bc10c 1658 break;
Jan Jongboom 0:85fdc69bc10c 1659
Jan Jongboom 0:85fdc69bc10c 1660 case h_transfer_encoding_chunked:
Jan Jongboom 0:85fdc69bc10c 1661 if (ch != ' ') h_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1662 break;
Jan Jongboom 0:85fdc69bc10c 1663
Jan Jongboom 0:85fdc69bc10c 1664 case h_connection_keep_alive:
Jan Jongboom 0:85fdc69bc10c 1665 case h_connection_close:
Jan Jongboom 0:85fdc69bc10c 1666 case h_connection_upgrade:
Jan Jongboom 0:85fdc69bc10c 1667 if (ch == ',') {
Jan Jongboom 0:85fdc69bc10c 1668 if (h_state == h_connection_keep_alive) {
Jan Jongboom 0:85fdc69bc10c 1669 parser->flags |= F_CONNECTION_KEEP_ALIVE;
Jan Jongboom 0:85fdc69bc10c 1670 } else if (h_state == h_connection_close) {
Jan Jongboom 0:85fdc69bc10c 1671 parser->flags |= F_CONNECTION_CLOSE;
Jan Jongboom 0:85fdc69bc10c 1672 } else if (h_state == h_connection_upgrade) {
Jan Jongboom 0:85fdc69bc10c 1673 parser->flags |= F_CONNECTION_UPGRADE;
Jan Jongboom 0:85fdc69bc10c 1674 }
Jan Jongboom 0:85fdc69bc10c 1675 h_state = h_matching_connection_token_start;
Jan Jongboom 0:85fdc69bc10c 1676 parser->index = 0;
Jan Jongboom 0:85fdc69bc10c 1677 } else if (ch != ' ') {
Jan Jongboom 0:85fdc69bc10c 1678 h_state = h_matching_connection_token;
Jan Jongboom 0:85fdc69bc10c 1679 }
Jan Jongboom 0:85fdc69bc10c 1680 break;
Jan Jongboom 0:85fdc69bc10c 1681
Jan Jongboom 0:85fdc69bc10c 1682 default:
Jan Jongboom 0:85fdc69bc10c 1683 UPDATE_STATE(s_header_value);
Jan Jongboom 0:85fdc69bc10c 1684 h_state = h_general;
Jan Jongboom 0:85fdc69bc10c 1685 break;
Jan Jongboom 0:85fdc69bc10c 1686 }
Jan Jongboom 0:85fdc69bc10c 1687 }
Jan Jongboom 0:85fdc69bc10c 1688 parser->header_state = h_state;
Jan Jongboom 0:85fdc69bc10c 1689
Jan Jongboom 0:85fdc69bc10c 1690 COUNT_HEADER_SIZE(p - start);
Jan Jongboom 0:85fdc69bc10c 1691
Jan Jongboom 0:85fdc69bc10c 1692 if (p == data + len)
Jan Jongboom 0:85fdc69bc10c 1693 --p;
Jan Jongboom 0:85fdc69bc10c 1694 break;
Jan Jongboom 0:85fdc69bc10c 1695 }
Jan Jongboom 0:85fdc69bc10c 1696
Jan Jongboom 0:85fdc69bc10c 1697 case s_header_almost_done:
Jan Jongboom 0:85fdc69bc10c 1698 {
Jan Jongboom 0:85fdc69bc10c 1699 if (UNLIKELY(ch != LF)) {
Jan Jongboom 0:85fdc69bc10c 1700 SET_ERRNO(HPE_LF_EXPECTED);
Jan Jongboom 0:85fdc69bc10c 1701 goto error;
Jan Jongboom 0:85fdc69bc10c 1702 }
Jan Jongboom 0:85fdc69bc10c 1703
Jan Jongboom 0:85fdc69bc10c 1704 UPDATE_STATE(s_header_value_lws);
Jan Jongboom 0:85fdc69bc10c 1705 break;
Jan Jongboom 0:85fdc69bc10c 1706 }
Jan Jongboom 0:85fdc69bc10c 1707
Jan Jongboom 0:85fdc69bc10c 1708 case s_header_value_lws:
Jan Jongboom 0:85fdc69bc10c 1709 {
Jan Jongboom 0:85fdc69bc10c 1710 if (ch == ' ' || ch == '\t') {
Jan Jongboom 0:85fdc69bc10c 1711 UPDATE_STATE(s_header_value_start);
Jan Jongboom 0:85fdc69bc10c 1712 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 1713 }
Jan Jongboom 0:85fdc69bc10c 1714
Jan Jongboom 0:85fdc69bc10c 1715 /* finished the header */
Jan Jongboom 0:85fdc69bc10c 1716 switch (parser->header_state) {
Jan Jongboom 0:85fdc69bc10c 1717 case h_connection_keep_alive:
Jan Jongboom 0:85fdc69bc10c 1718 parser->flags |= F_CONNECTION_KEEP_ALIVE;
Jan Jongboom 0:85fdc69bc10c 1719 break;
Jan Jongboom 0:85fdc69bc10c 1720 case h_connection_close:
Jan Jongboom 0:85fdc69bc10c 1721 parser->flags |= F_CONNECTION_CLOSE;
Jan Jongboom 0:85fdc69bc10c 1722 break;
Jan Jongboom 0:85fdc69bc10c 1723 case h_transfer_encoding_chunked:
Jan Jongboom 0:85fdc69bc10c 1724 parser->flags |= F_CHUNKED;
Jan Jongboom 0:85fdc69bc10c 1725 break;
Jan Jongboom 0:85fdc69bc10c 1726 case h_connection_upgrade:
Jan Jongboom 0:85fdc69bc10c 1727 parser->flags |= F_CONNECTION_UPGRADE;
Jan Jongboom 0:85fdc69bc10c 1728 break;
Jan Jongboom 0:85fdc69bc10c 1729 default:
Jan Jongboom 0:85fdc69bc10c 1730 break;
Jan Jongboom 0:85fdc69bc10c 1731 }
Jan Jongboom 0:85fdc69bc10c 1732
Jan Jongboom 0:85fdc69bc10c 1733 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 1734 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 1735 }
Jan Jongboom 0:85fdc69bc10c 1736
Jan Jongboom 0:85fdc69bc10c 1737 case s_header_value_discard_ws_almost_done:
Jan Jongboom 0:85fdc69bc10c 1738 {
Jan Jongboom 0:85fdc69bc10c 1739 STRICT_CHECK(ch != LF);
Jan Jongboom 0:85fdc69bc10c 1740 UPDATE_STATE(s_header_value_discard_lws);
Jan Jongboom 0:85fdc69bc10c 1741 break;
Jan Jongboom 0:85fdc69bc10c 1742 }
Jan Jongboom 0:85fdc69bc10c 1743
Jan Jongboom 0:85fdc69bc10c 1744 case s_header_value_discard_lws:
Jan Jongboom 0:85fdc69bc10c 1745 {
Jan Jongboom 0:85fdc69bc10c 1746 if (ch == ' ' || ch == '\t') {
Jan Jongboom 0:85fdc69bc10c 1747 UPDATE_STATE(s_header_value_discard_ws);
Jan Jongboom 0:85fdc69bc10c 1748 break;
Jan Jongboom 0:85fdc69bc10c 1749 } else {
Jan Jongboom 0:85fdc69bc10c 1750 switch (parser->header_state) {
Jan Jongboom 0:85fdc69bc10c 1751 case h_connection_keep_alive:
Jan Jongboom 0:85fdc69bc10c 1752 parser->flags |= F_CONNECTION_KEEP_ALIVE;
Jan Jongboom 0:85fdc69bc10c 1753 break;
Jan Jongboom 0:85fdc69bc10c 1754 case h_connection_close:
Jan Jongboom 0:85fdc69bc10c 1755 parser->flags |= F_CONNECTION_CLOSE;
Jan Jongboom 0:85fdc69bc10c 1756 break;
Jan Jongboom 0:85fdc69bc10c 1757 case h_connection_upgrade:
Jan Jongboom 0:85fdc69bc10c 1758 parser->flags |= F_CONNECTION_UPGRADE;
Jan Jongboom 0:85fdc69bc10c 1759 break;
Jan Jongboom 0:85fdc69bc10c 1760 case h_transfer_encoding_chunked:
Jan Jongboom 0:85fdc69bc10c 1761 parser->flags |= F_CHUNKED;
Jan Jongboom 0:85fdc69bc10c 1762 break;
Jan Jongboom 0:85fdc69bc10c 1763 default:
Jan Jongboom 0:85fdc69bc10c 1764 break;
Jan Jongboom 0:85fdc69bc10c 1765 }
Jan Jongboom 0:85fdc69bc10c 1766
Jan Jongboom 0:85fdc69bc10c 1767 /* header value was empty */
Jan Jongboom 0:85fdc69bc10c 1768 MARK(header_value);
Jan Jongboom 0:85fdc69bc10c 1769 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 1770 CALLBACK_DATA_NOADVANCE(header_value);
Jan Jongboom 0:85fdc69bc10c 1771 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 1772 }
Jan Jongboom 0:85fdc69bc10c 1773 }
Jan Jongboom 0:85fdc69bc10c 1774
Jan Jongboom 0:85fdc69bc10c 1775 case s_headers_almost_done:
Jan Jongboom 0:85fdc69bc10c 1776 {
Jan Jongboom 0:85fdc69bc10c 1777 STRICT_CHECK(ch != LF);
Jan Jongboom 0:85fdc69bc10c 1778
Jan Jongboom 0:85fdc69bc10c 1779 if (parser->flags & F_TRAILING) {
Jan Jongboom 0:85fdc69bc10c 1780 /* End of a chunked request */
Jan Jongboom 0:85fdc69bc10c 1781 UPDATE_STATE(s_message_done);
Jan Jongboom 0:85fdc69bc10c 1782 CALLBACK_NOTIFY_NOADVANCE(chunk_complete);
Jan Jongboom 0:85fdc69bc10c 1783 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 1784 }
Jan Jongboom 0:85fdc69bc10c 1785
Jan Jongboom 0:85fdc69bc10c 1786 /* Cannot use chunked encoding and a content-length header together
Jan Jongboom 0:85fdc69bc10c 1787 per the HTTP specification. */
Jan Jongboom 0:85fdc69bc10c 1788 if ((parser->flags & F_CHUNKED) &&
Jan Jongboom 0:85fdc69bc10c 1789 (parser->flags & F_CONTENTLENGTH)) {
Jan Jongboom 0:85fdc69bc10c 1790 SET_ERRNO(HPE_UNEXPECTED_CONTENT_LENGTH);
Jan Jongboom 0:85fdc69bc10c 1791 goto error;
Jan Jongboom 0:85fdc69bc10c 1792 }
Jan Jongboom 0:85fdc69bc10c 1793
Jan Jongboom 0:85fdc69bc10c 1794 UPDATE_STATE(s_headers_done);
Jan Jongboom 0:85fdc69bc10c 1795
Jan Jongboom 0:85fdc69bc10c 1796 /* Set this here so that on_headers_complete() callbacks can see it */
Jan Jongboom 0:85fdc69bc10c 1797 parser->upgrade =
Jan Jongboom 0:85fdc69bc10c 1798 ((parser->flags & (F_UPGRADE | F_CONNECTION_UPGRADE)) ==
Jan Jongboom 0:85fdc69bc10c 1799 (F_UPGRADE | F_CONNECTION_UPGRADE) ||
Jan Jongboom 0:85fdc69bc10c 1800 parser->method == HTTP_CONNECT);
Jan Jongboom 0:85fdc69bc10c 1801
Jan Jongboom 0:85fdc69bc10c 1802 /* Here we call the headers_complete callback. This is somewhat
Jan Jongboom 0:85fdc69bc10c 1803 * different than other callbacks because if the user returns 1, we
Jan Jongboom 0:85fdc69bc10c 1804 * will interpret that as saying that this message has no body. This
Jan Jongboom 0:85fdc69bc10c 1805 * is needed for the annoying case of recieving a response to a HEAD
Jan Jongboom 0:85fdc69bc10c 1806 * request.
Jan Jongboom 0:85fdc69bc10c 1807 *
Jan Jongboom 0:85fdc69bc10c 1808 * We'd like to use CALLBACK_NOTIFY_NOADVANCE() here but we cannot, so
Jan Jongboom 0:85fdc69bc10c 1809 * we have to simulate it by handling a change in errno below.
Jan Jongboom 0:85fdc69bc10c 1810 */
Jan Jongboom 0:85fdc69bc10c 1811 if (settings->on_headers_complete) {
Jan Jongboom 0:85fdc69bc10c 1812 switch (settings->on_headers_complete(parser)) {
Jan Jongboom 0:85fdc69bc10c 1813 case 0:
Jan Jongboom 0:85fdc69bc10c 1814 break;
Jan Jongboom 0:85fdc69bc10c 1815
Jan Jongboom 0:85fdc69bc10c 1816 case 2:
Jan Jongboom 0:85fdc69bc10c 1817 parser->upgrade = 1;
Jan Jongboom 0:85fdc69bc10c 1818
Jan Jongboom 0:85fdc69bc10c 1819 case 1:
Jan Jongboom 0:85fdc69bc10c 1820 parser->flags |= F_SKIPBODY;
Jan Jongboom 0:85fdc69bc10c 1821 break;
Jan Jongboom 0:85fdc69bc10c 1822
Jan Jongboom 0:85fdc69bc10c 1823 default:
Jan Jongboom 0:85fdc69bc10c 1824 SET_ERRNO(HPE_CB_headers_complete);
Jan Jongboom 0:85fdc69bc10c 1825 RETURN(p - data); /* Error */
Jan Jongboom 0:85fdc69bc10c 1826 }
Jan Jongboom 0:85fdc69bc10c 1827 }
Jan Jongboom 0:85fdc69bc10c 1828
Jan Jongboom 0:85fdc69bc10c 1829 if (HTTP_PARSER_ERRNO(parser) != HPE_OK) {
Jan Jongboom 0:85fdc69bc10c 1830 RETURN(p - data);
Jan Jongboom 0:85fdc69bc10c 1831 }
Jan Jongboom 0:85fdc69bc10c 1832
Jan Jongboom 0:85fdc69bc10c 1833 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 1834 }
Jan Jongboom 0:85fdc69bc10c 1835
Jan Jongboom 0:85fdc69bc10c 1836 case s_headers_done:
Jan Jongboom 0:85fdc69bc10c 1837 {
Jan Jongboom 0:85fdc69bc10c 1838 int hasBody;
Jan Jongboom 0:85fdc69bc10c 1839 STRICT_CHECK(ch != LF);
Jan Jongboom 0:85fdc69bc10c 1840
Jan Jongboom 0:85fdc69bc10c 1841 parser->nread = 0;
Jan Jongboom 0:85fdc69bc10c 1842
Jan Jongboom 0:85fdc69bc10c 1843 hasBody = parser->flags & F_CHUNKED ||
Jan Jongboom 0:85fdc69bc10c 1844 (parser->content_length > 0 && parser->content_length != ULLONG_MAX);
Jan Jongboom 0:85fdc69bc10c 1845 if (parser->upgrade && (parser->method == HTTP_CONNECT ||
Jan Jongboom 0:85fdc69bc10c 1846 (parser->flags & F_SKIPBODY) || !hasBody)) {
Jan Jongboom 0:85fdc69bc10c 1847 /* Exit, the rest of the message is in a different protocol. */
Jan Jongboom 0:85fdc69bc10c 1848 UPDATE_STATE(NEW_MESSAGE());
Jan Jongboom 0:85fdc69bc10c 1849 CALLBACK_NOTIFY(message_complete);
Jan Jongboom 0:85fdc69bc10c 1850 RETURN((p - data) + 1);
Jan Jongboom 0:85fdc69bc10c 1851 }
Jan Jongboom 0:85fdc69bc10c 1852
Jan Jongboom 0:85fdc69bc10c 1853 if (parser->flags & F_SKIPBODY) {
Jan Jongboom 0:85fdc69bc10c 1854 UPDATE_STATE(NEW_MESSAGE());
Jan Jongboom 0:85fdc69bc10c 1855 CALLBACK_NOTIFY(message_complete);
Jan Jongboom 0:85fdc69bc10c 1856 } else if (parser->flags & F_CHUNKED) {
Jan Jongboom 0:85fdc69bc10c 1857 /* chunked encoding - ignore Content-Length header */
Jan Jongboom 0:85fdc69bc10c 1858 UPDATE_STATE(s_chunk_size_start);
Jan Jongboom 0:85fdc69bc10c 1859 } else {
Jan Jongboom 0:85fdc69bc10c 1860 if (parser->content_length == 0) {
Jan Jongboom 0:85fdc69bc10c 1861 /* Content-Length header given but zero: Content-Length: 0\r\n */
Jan Jongboom 0:85fdc69bc10c 1862 UPDATE_STATE(NEW_MESSAGE());
Jan Jongboom 0:85fdc69bc10c 1863 CALLBACK_NOTIFY(message_complete);
Jan Jongboom 0:85fdc69bc10c 1864 } else if (parser->content_length != ULLONG_MAX) {
Jan Jongboom 0:85fdc69bc10c 1865 /* Content-Length header given and non-zero */
Jan Jongboom 0:85fdc69bc10c 1866 UPDATE_STATE(s_body_identity);
Jan Jongboom 0:85fdc69bc10c 1867 } else {
Jan Jongboom 0:85fdc69bc10c 1868 if (!http_message_needs_eof(parser)) {
Jan Jongboom 0:85fdc69bc10c 1869 /* Assume content-length 0 - read the next */
Jan Jongboom 0:85fdc69bc10c 1870 UPDATE_STATE(NEW_MESSAGE());
Jan Jongboom 0:85fdc69bc10c 1871 CALLBACK_NOTIFY(message_complete);
Jan Jongboom 0:85fdc69bc10c 1872 } else {
Jan Jongboom 0:85fdc69bc10c 1873 /* Read body until EOF */
Jan Jongboom 0:85fdc69bc10c 1874 UPDATE_STATE(s_body_identity_eof);
Jan Jongboom 0:85fdc69bc10c 1875 }
Jan Jongboom 0:85fdc69bc10c 1876 }
Jan Jongboom 0:85fdc69bc10c 1877 }
Jan Jongboom 0:85fdc69bc10c 1878
Jan Jongboom 0:85fdc69bc10c 1879 break;
Jan Jongboom 0:85fdc69bc10c 1880 }
Jan Jongboom 0:85fdc69bc10c 1881
Jan Jongboom 0:85fdc69bc10c 1882 case s_body_identity:
Jan Jongboom 0:85fdc69bc10c 1883 {
Jan Jongboom 0:85fdc69bc10c 1884 uint64_t to_read = MIN(parser->content_length,
Jan Jongboom 0:85fdc69bc10c 1885 (uint64_t) ((data + len) - p));
Jan Jongboom 0:85fdc69bc10c 1886
Jan Jongboom 0:85fdc69bc10c 1887 assert(parser->content_length != 0
Jan Jongboom 0:85fdc69bc10c 1888 && parser->content_length != ULLONG_MAX);
Jan Jongboom 0:85fdc69bc10c 1889
Jan Jongboom 0:85fdc69bc10c 1890 /* The difference between advancing content_length and p is because
Jan Jongboom 0:85fdc69bc10c 1891 * the latter will automaticaly advance on the next loop iteration.
Jan Jongboom 0:85fdc69bc10c 1892 * Further, if content_length ends up at 0, we want to see the last
Jan Jongboom 0:85fdc69bc10c 1893 * byte again for our message complete callback.
Jan Jongboom 0:85fdc69bc10c 1894 */
Jan Jongboom 0:85fdc69bc10c 1895 MARK(body);
Jan Jongboom 0:85fdc69bc10c 1896 parser->content_length -= to_read;
Jan Jongboom 0:85fdc69bc10c 1897 p += to_read - 1;
Jan Jongboom 0:85fdc69bc10c 1898
Jan Jongboom 0:85fdc69bc10c 1899 if (parser->content_length == 0) {
Jan Jongboom 0:85fdc69bc10c 1900 UPDATE_STATE(s_message_done);
Jan Jongboom 0:85fdc69bc10c 1901
Jan Jongboom 0:85fdc69bc10c 1902 /* Mimic CALLBACK_DATA_NOADVANCE() but with one extra byte.
Jan Jongboom 0:85fdc69bc10c 1903 *
Jan Jongboom 0:85fdc69bc10c 1904 * The alternative to doing this is to wait for the next byte to
Jan Jongboom 0:85fdc69bc10c 1905 * trigger the data callback, just as in every other case. The
Jan Jongboom 0:85fdc69bc10c 1906 * problem with this is that this makes it difficult for the test
Jan Jongboom 0:85fdc69bc10c 1907 * harness to distinguish between complete-on-EOF and
Jan Jongboom 0:85fdc69bc10c 1908 * complete-on-length. It's not clear that this distinction is
Jan Jongboom 0:85fdc69bc10c 1909 * important for applications, but let's keep it for now.
Jan Jongboom 0:85fdc69bc10c 1910 */
Jan Jongboom 0:85fdc69bc10c 1911 CALLBACK_DATA_(body, p - body_mark + 1, p - data);
Jan Jongboom 0:85fdc69bc10c 1912 REEXECUTE();
Jan Jongboom 0:85fdc69bc10c 1913 }
Jan Jongboom 0:85fdc69bc10c 1914
Jan Jongboom 0:85fdc69bc10c 1915 break;
Jan Jongboom 0:85fdc69bc10c 1916 }
Jan Jongboom 0:85fdc69bc10c 1917
Jan Jongboom 0:85fdc69bc10c 1918 /* read until EOF */
Jan Jongboom 0:85fdc69bc10c 1919 case s_body_identity_eof:
Jan Jongboom 0:85fdc69bc10c 1920 MARK(body);
Jan Jongboom 0:85fdc69bc10c 1921 p = data + len - 1;
Jan Jongboom 0:85fdc69bc10c 1922
Jan Jongboom 0:85fdc69bc10c 1923 break;
Jan Jongboom 0:85fdc69bc10c 1924
Jan Jongboom 0:85fdc69bc10c 1925 case s_message_done:
Jan Jongboom 0:85fdc69bc10c 1926 UPDATE_STATE(NEW_MESSAGE());
Jan Jongboom 0:85fdc69bc10c 1927 CALLBACK_NOTIFY(message_complete);
Jan Jongboom 0:85fdc69bc10c 1928 if (parser->upgrade) {
Jan Jongboom 0:85fdc69bc10c 1929 /* Exit, the rest of the message is in a different protocol. */
Jan Jongboom 0:85fdc69bc10c 1930 RETURN((p - data) + 1);
Jan Jongboom 0:85fdc69bc10c 1931 }
Jan Jongboom 0:85fdc69bc10c 1932 break;
Jan Jongboom 0:85fdc69bc10c 1933
Jan Jongboom 0:85fdc69bc10c 1934 case s_chunk_size_start:
Jan Jongboom 0:85fdc69bc10c 1935 {
Jan Jongboom 0:85fdc69bc10c 1936 assert(parser->nread == 1);
Jan Jongboom 0:85fdc69bc10c 1937 assert(parser->flags & F_CHUNKED);
Jan Jongboom 0:85fdc69bc10c 1938
Jan Jongboom 0:85fdc69bc10c 1939 unhex_val = unhex[(unsigned char)ch];
Jan Jongboom 0:85fdc69bc10c 1940 if (UNLIKELY(unhex_val == -1)) {
Jan Jongboom 0:85fdc69bc10c 1941 SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
Jan Jongboom 0:85fdc69bc10c 1942 goto error;
Jan Jongboom 0:85fdc69bc10c 1943 }
Jan Jongboom 0:85fdc69bc10c 1944
Jan Jongboom 0:85fdc69bc10c 1945 parser->content_length = unhex_val;
Jan Jongboom 0:85fdc69bc10c 1946 UPDATE_STATE(s_chunk_size);
Jan Jongboom 0:85fdc69bc10c 1947 break;
Jan Jongboom 0:85fdc69bc10c 1948 }
Jan Jongboom 0:85fdc69bc10c 1949
Jan Jongboom 0:85fdc69bc10c 1950 case s_chunk_size:
Jan Jongboom 0:85fdc69bc10c 1951 {
Jan Jongboom 0:85fdc69bc10c 1952 uint64_t t;
Jan Jongboom 0:85fdc69bc10c 1953
Jan Jongboom 0:85fdc69bc10c 1954 assert(parser->flags & F_CHUNKED);
Jan Jongboom 0:85fdc69bc10c 1955
Jan Jongboom 0:85fdc69bc10c 1956 if (ch == CR) {
Jan Jongboom 0:85fdc69bc10c 1957 UPDATE_STATE(s_chunk_size_almost_done);
Jan Jongboom 0:85fdc69bc10c 1958 break;
Jan Jongboom 0:85fdc69bc10c 1959 }
Jan Jongboom 0:85fdc69bc10c 1960
Jan Jongboom 0:85fdc69bc10c 1961 unhex_val = unhex[(unsigned char)ch];
Jan Jongboom 0:85fdc69bc10c 1962
Jan Jongboom 0:85fdc69bc10c 1963 if (unhex_val == -1) {
Jan Jongboom 0:85fdc69bc10c 1964 if (ch == ';' || ch == ' ') {
Jan Jongboom 0:85fdc69bc10c 1965 UPDATE_STATE(s_chunk_parameters);
Jan Jongboom 0:85fdc69bc10c 1966 break;
Jan Jongboom 0:85fdc69bc10c 1967 }
Jan Jongboom 0:85fdc69bc10c 1968
Jan Jongboom 0:85fdc69bc10c 1969 SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
Jan Jongboom 0:85fdc69bc10c 1970 goto error;
Jan Jongboom 0:85fdc69bc10c 1971 }
Jan Jongboom 0:85fdc69bc10c 1972
Jan Jongboom 0:85fdc69bc10c 1973 t = parser->content_length;
Jan Jongboom 0:85fdc69bc10c 1974 t *= 16;
Jan Jongboom 0:85fdc69bc10c 1975 t += unhex_val;
Jan Jongboom 0:85fdc69bc10c 1976
Jan Jongboom 0:85fdc69bc10c 1977 /* Overflow? Test against a conservative limit for simplicity. */
Jan Jongboom 0:85fdc69bc10c 1978 if (UNLIKELY((ULLONG_MAX - 16) / 16 < parser->content_length)) {
Jan Jongboom 0:85fdc69bc10c 1979 SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
Jan Jongboom 0:85fdc69bc10c 1980 goto error;
Jan Jongboom 0:85fdc69bc10c 1981 }
Jan Jongboom 0:85fdc69bc10c 1982
Jan Jongboom 0:85fdc69bc10c 1983 parser->content_length = t;
Jan Jongboom 0:85fdc69bc10c 1984 break;
Jan Jongboom 0:85fdc69bc10c 1985 }
Jan Jongboom 0:85fdc69bc10c 1986
Jan Jongboom 0:85fdc69bc10c 1987 case s_chunk_parameters:
Jan Jongboom 0:85fdc69bc10c 1988 {
Jan Jongboom 0:85fdc69bc10c 1989 assert(parser->flags & F_CHUNKED);
Jan Jongboom 0:85fdc69bc10c 1990 /* just ignore this shit. TODO check for overflow */
Jan Jongboom 0:85fdc69bc10c 1991 if (ch == CR) {
Jan Jongboom 0:85fdc69bc10c 1992 UPDATE_STATE(s_chunk_size_almost_done);
Jan Jongboom 0:85fdc69bc10c 1993 break;
Jan Jongboom 0:85fdc69bc10c 1994 }
Jan Jongboom 0:85fdc69bc10c 1995 break;
Jan Jongboom 0:85fdc69bc10c 1996 }
Jan Jongboom 0:85fdc69bc10c 1997
Jan Jongboom 0:85fdc69bc10c 1998 case s_chunk_size_almost_done:
Jan Jongboom 0:85fdc69bc10c 1999 {
Jan Jongboom 0:85fdc69bc10c 2000 assert(parser->flags & F_CHUNKED);
Jan Jongboom 0:85fdc69bc10c 2001 STRICT_CHECK(ch != LF);
Jan Jongboom 0:85fdc69bc10c 2002
Jan Jongboom 0:85fdc69bc10c 2003 parser->nread = 0;
Jan Jongboom 0:85fdc69bc10c 2004
Jan Jongboom 0:85fdc69bc10c 2005 if (parser->content_length == 0) {
Jan Jongboom 0:85fdc69bc10c 2006 parser->flags |= F_TRAILING;
Jan Jongboom 0:85fdc69bc10c 2007 UPDATE_STATE(s_header_field_start);
Jan Jongboom 0:85fdc69bc10c 2008 } else {
Jan Jongboom 0:85fdc69bc10c 2009 UPDATE_STATE(s_chunk_data);
Jan Jongboom 0:85fdc69bc10c 2010 }
Jan Jongboom 0:85fdc69bc10c 2011 CALLBACK_NOTIFY(chunk_header);
Jan Jongboom 0:85fdc69bc10c 2012 break;
Jan Jongboom 0:85fdc69bc10c 2013 }
Jan Jongboom 0:85fdc69bc10c 2014
Jan Jongboom 0:85fdc69bc10c 2015 case s_chunk_data:
Jan Jongboom 0:85fdc69bc10c 2016 {
Jan Jongboom 0:85fdc69bc10c 2017 uint64_t to_read = MIN(parser->content_length,
Jan Jongboom 0:85fdc69bc10c 2018 (uint64_t) ((data + len) - p));
Jan Jongboom 0:85fdc69bc10c 2019
Jan Jongboom 0:85fdc69bc10c 2020 assert(parser->flags & F_CHUNKED);
Jan Jongboom 0:85fdc69bc10c 2021 assert(parser->content_length != 0
Jan Jongboom 0:85fdc69bc10c 2022 && parser->content_length != ULLONG_MAX);
Jan Jongboom 0:85fdc69bc10c 2023
Jan Jongboom 0:85fdc69bc10c 2024 /* See the explanation in s_body_identity for why the content
Jan Jongboom 0:85fdc69bc10c 2025 * length and data pointers are managed this way.
Jan Jongboom 0:85fdc69bc10c 2026 */
Jan Jongboom 0:85fdc69bc10c 2027 MARK(body);
Jan Jongboom 0:85fdc69bc10c 2028 parser->content_length -= to_read;
Jan Jongboom 0:85fdc69bc10c 2029 p += to_read - 1;
Jan Jongboom 0:85fdc69bc10c 2030
Jan Jongboom 0:85fdc69bc10c 2031 if (parser->content_length == 0) {
Jan Jongboom 0:85fdc69bc10c 2032 UPDATE_STATE(s_chunk_data_almost_done);
Jan Jongboom 0:85fdc69bc10c 2033 }
Jan Jongboom 0:85fdc69bc10c 2034
Jan Jongboom 0:85fdc69bc10c 2035 break;
Jan Jongboom 0:85fdc69bc10c 2036 }
Jan Jongboom 0:85fdc69bc10c 2037
Jan Jongboom 0:85fdc69bc10c 2038 case s_chunk_data_almost_done:
Jan Jongboom 0:85fdc69bc10c 2039 assert(parser->flags & F_CHUNKED);
Jan Jongboom 0:85fdc69bc10c 2040 assert(parser->content_length == 0);
Jan Jongboom 0:85fdc69bc10c 2041 STRICT_CHECK(ch != CR);
Jan Jongboom 0:85fdc69bc10c 2042 UPDATE_STATE(s_chunk_data_done);
Jan Jongboom 0:85fdc69bc10c 2043 CALLBACK_DATA(body);
Jan Jongboom 0:85fdc69bc10c 2044 break;
Jan Jongboom 0:85fdc69bc10c 2045
Jan Jongboom 0:85fdc69bc10c 2046 case s_chunk_data_done:
Jan Jongboom 0:85fdc69bc10c 2047 assert(parser->flags & F_CHUNKED);
Jan Jongboom 0:85fdc69bc10c 2048 STRICT_CHECK(ch != LF);
Jan Jongboom 0:85fdc69bc10c 2049 parser->nread = 0;
Jan Jongboom 0:85fdc69bc10c 2050 UPDATE_STATE(s_chunk_size_start);
Jan Jongboom 0:85fdc69bc10c 2051 CALLBACK_NOTIFY(chunk_complete);
Jan Jongboom 0:85fdc69bc10c 2052 break;
Jan Jongboom 0:85fdc69bc10c 2053
Jan Jongboom 0:85fdc69bc10c 2054 default:
Jan Jongboom 0:85fdc69bc10c 2055 assert(0 && "unhandled state");
Jan Jongboom 0:85fdc69bc10c 2056 SET_ERRNO(HPE_INVALID_INTERNAL_STATE);
Jan Jongboom 0:85fdc69bc10c 2057 goto error;
Jan Jongboom 0:85fdc69bc10c 2058 }
Jan Jongboom 0:85fdc69bc10c 2059 }
Jan Jongboom 0:85fdc69bc10c 2060
Jan Jongboom 0:85fdc69bc10c 2061 /* Run callbacks for any marks that we have leftover after we ran our of
Jan Jongboom 0:85fdc69bc10c 2062 * bytes. There should be at most one of these set, so it's OK to invoke
Jan Jongboom 0:85fdc69bc10c 2063 * them in series (unset marks will not result in callbacks).
Jan Jongboom 0:85fdc69bc10c 2064 *
Jan Jongboom 0:85fdc69bc10c 2065 * We use the NOADVANCE() variety of callbacks here because 'p' has already
Jan Jongboom 0:85fdc69bc10c 2066 * overflowed 'data' and this allows us to correct for the off-by-one that
Jan Jongboom 0:85fdc69bc10c 2067 * we'd otherwise have (since CALLBACK_DATA() is meant to be run with a 'p'
Jan Jongboom 0:85fdc69bc10c 2068 * value that's in-bounds).
Jan Jongboom 0:85fdc69bc10c 2069 */
Jan Jongboom 0:85fdc69bc10c 2070
Jan Jongboom 0:85fdc69bc10c 2071 assert(((header_field_mark ? 1 : 0) +
Jan Jongboom 0:85fdc69bc10c 2072 (header_value_mark ? 1 : 0) +
Jan Jongboom 0:85fdc69bc10c 2073 (url_mark ? 1 : 0) +
Jan Jongboom 0:85fdc69bc10c 2074 (body_mark ? 1 : 0) +
Jan Jongboom 0:85fdc69bc10c 2075 (status_mark ? 1 : 0)) <= 1);
Jan Jongboom 0:85fdc69bc10c 2076
Jan Jongboom 0:85fdc69bc10c 2077 CALLBACK_DATA_NOADVANCE(header_field);
Jan Jongboom 0:85fdc69bc10c 2078 CALLBACK_DATA_NOADVANCE(header_value);
Jan Jongboom 0:85fdc69bc10c 2079 CALLBACK_DATA_NOADVANCE(url);
Jan Jongboom 0:85fdc69bc10c 2080 CALLBACK_DATA_NOADVANCE(body);
Jan Jongboom 0:85fdc69bc10c 2081 CALLBACK_DATA_NOADVANCE(status);
Jan Jongboom 0:85fdc69bc10c 2082
Jan Jongboom 0:85fdc69bc10c 2083 RETURN(len);
Jan Jongboom 0:85fdc69bc10c 2084
Jan Jongboom 0:85fdc69bc10c 2085 error:
Jan Jongboom 0:85fdc69bc10c 2086 if (HTTP_PARSER_ERRNO(parser) == HPE_OK) {
Jan Jongboom 0:85fdc69bc10c 2087 SET_ERRNO(HPE_UNKNOWN);
Jan Jongboom 0:85fdc69bc10c 2088 }
Jan Jongboom 0:85fdc69bc10c 2089
Jan Jongboom 0:85fdc69bc10c 2090 RETURN(p - data);
Jan Jongboom 0:85fdc69bc10c 2091 }
Jan Jongboom 0:85fdc69bc10c 2092
Jan Jongboom 0:85fdc69bc10c 2093
Jan Jongboom 0:85fdc69bc10c 2094 /* Does the parser need to see an EOF to find the end of the message? */
Jan Jongboom 0:85fdc69bc10c 2095 int
Jan Jongboom 0:85fdc69bc10c 2096 http_message_needs_eof (const http_parser *parser)
Jan Jongboom 0:85fdc69bc10c 2097 {
Jan Jongboom 0:85fdc69bc10c 2098 if (parser->type == HTTP_REQUEST) {
Jan Jongboom 0:85fdc69bc10c 2099 return 0;
Jan Jongboom 0:85fdc69bc10c 2100 }
Jan Jongboom 0:85fdc69bc10c 2101
Jan Jongboom 0:85fdc69bc10c 2102 /* See RFC 2616 section 4.4 */
Jan Jongboom 0:85fdc69bc10c 2103 if (parser->status_code / 100 == 1 || /* 1xx e.g. Continue */
Jan Jongboom 0:85fdc69bc10c 2104 parser->status_code == 204 || /* No Content */
Jan Jongboom 0:85fdc69bc10c 2105 parser->status_code == 304 || /* Not Modified */
Jan Jongboom 0:85fdc69bc10c 2106 parser->flags & F_SKIPBODY) { /* response to a HEAD request */
Jan Jongboom 0:85fdc69bc10c 2107 return 0;
Jan Jongboom 0:85fdc69bc10c 2108 }
Jan Jongboom 0:85fdc69bc10c 2109
Jan Jongboom 0:85fdc69bc10c 2110 if ((parser->flags & F_CHUNKED) || parser->content_length != ULLONG_MAX) {
Jan Jongboom 0:85fdc69bc10c 2111 return 0;
Jan Jongboom 0:85fdc69bc10c 2112 }
Jan Jongboom 0:85fdc69bc10c 2113
Jan Jongboom 0:85fdc69bc10c 2114 return 1;
Jan Jongboom 0:85fdc69bc10c 2115 }
Jan Jongboom 0:85fdc69bc10c 2116
Jan Jongboom 0:85fdc69bc10c 2117
Jan Jongboom 0:85fdc69bc10c 2118 int
Jan Jongboom 0:85fdc69bc10c 2119 http_should_keep_alive (const http_parser *parser)
Jan Jongboom 0:85fdc69bc10c 2120 {
Jan Jongboom 0:85fdc69bc10c 2121 if (parser->http_major > 0 && parser->http_minor > 0) {
Jan Jongboom 0:85fdc69bc10c 2122 /* HTTP/1.1 */
Jan Jongboom 0:85fdc69bc10c 2123 if (parser->flags & F_CONNECTION_CLOSE) {
Jan Jongboom 0:85fdc69bc10c 2124 return 0;
Jan Jongboom 0:85fdc69bc10c 2125 }
Jan Jongboom 0:85fdc69bc10c 2126 } else {
Jan Jongboom 0:85fdc69bc10c 2127 /* HTTP/1.0 or earlier */
Jan Jongboom 0:85fdc69bc10c 2128 if (!(parser->flags & F_CONNECTION_KEEP_ALIVE)) {
Jan Jongboom 0:85fdc69bc10c 2129 return 0;
Jan Jongboom 0:85fdc69bc10c 2130 }
Jan Jongboom 0:85fdc69bc10c 2131 }
Jan Jongboom 0:85fdc69bc10c 2132
Jan Jongboom 0:85fdc69bc10c 2133 return !http_message_needs_eof(parser);
Jan Jongboom 0:85fdc69bc10c 2134 }
Jan Jongboom 0:85fdc69bc10c 2135
Jan Jongboom 0:85fdc69bc10c 2136
Jan Jongboom 0:85fdc69bc10c 2137 const char *
Jan Jongboom 0:85fdc69bc10c 2138 http_method_str (enum http_method m)
Jan Jongboom 0:85fdc69bc10c 2139 {
Jan Jongboom 0:85fdc69bc10c 2140 return ELEM_AT(method_strings, m, "<unknown>");
Jan Jongboom 0:85fdc69bc10c 2141 }
Jan Jongboom 0:85fdc69bc10c 2142
Jan Jongboom 0:85fdc69bc10c 2143
Jan Jongboom 0:85fdc69bc10c 2144 void
Jan Jongboom 0:85fdc69bc10c 2145 http_parser_init (http_parser *parser, enum http_parser_type t)
Jan Jongboom 0:85fdc69bc10c 2146 {
Jan Jongboom 0:85fdc69bc10c 2147 void *data = parser->data; /* preserve application data */
Jan Jongboom 0:85fdc69bc10c 2148 memset(parser, 0, sizeof(*parser));
Jan Jongboom 0:85fdc69bc10c 2149 parser->data = data;
Jan Jongboom 0:85fdc69bc10c 2150 parser->type = t;
Jan Jongboom 0:85fdc69bc10c 2151 parser->state = (t == HTTP_REQUEST ? s_start_req : (t == HTTP_RESPONSE ? s_start_res : s_start_req_or_res));
Jan Jongboom 0:85fdc69bc10c 2152 parser->http_errno = HPE_OK;
Jan Jongboom 0:85fdc69bc10c 2153 }
Jan Jongboom 0:85fdc69bc10c 2154
Jan Jongboom 0:85fdc69bc10c 2155 void
Jan Jongboom 0:85fdc69bc10c 2156 http_parser_settings_init(http_parser_settings *settings)
Jan Jongboom 0:85fdc69bc10c 2157 {
Jan Jongboom 0:85fdc69bc10c 2158 memset(settings, 0, sizeof(*settings));
Jan Jongboom 0:85fdc69bc10c 2159 }
Jan Jongboom 0:85fdc69bc10c 2160
Jan Jongboom 0:85fdc69bc10c 2161 const char *
Jan Jongboom 0:85fdc69bc10c 2162 http_errno_name(enum http_errno err) {
Jan Jongboom 0:85fdc69bc10c 2163 assert(((size_t) err) < ARRAY_SIZE(http_strerror_tab));
Jan Jongboom 0:85fdc69bc10c 2164 return http_strerror_tab[err].name;
Jan Jongboom 0:85fdc69bc10c 2165 }
Jan Jongboom 0:85fdc69bc10c 2166
Jan Jongboom 0:85fdc69bc10c 2167 const char *
Jan Jongboom 0:85fdc69bc10c 2168 http_errno_description(enum http_errno err) {
Jan Jongboom 0:85fdc69bc10c 2169 assert(((size_t) err) < ARRAY_SIZE(http_strerror_tab));
Jan Jongboom 0:85fdc69bc10c 2170 return http_strerror_tab[err].description;
Jan Jongboom 0:85fdc69bc10c 2171 }
Jan Jongboom 0:85fdc69bc10c 2172
Jan Jongboom 0:85fdc69bc10c 2173 static enum http_host_state
Jan Jongboom 0:85fdc69bc10c 2174 http_parse_host_char(enum http_host_state s, const char ch) {
Jan Jongboom 0:85fdc69bc10c 2175 switch(s) {
Jan Jongboom 0:85fdc69bc10c 2176 case s_http_userinfo:
Jan Jongboom 0:85fdc69bc10c 2177 case s_http_userinfo_start:
Jan Jongboom 0:85fdc69bc10c 2178 if (ch == '@') {
Jan Jongboom 0:85fdc69bc10c 2179 return s_http_host_start;
Jan Jongboom 0:85fdc69bc10c 2180 }
Jan Jongboom 0:85fdc69bc10c 2181
Jan Jongboom 0:85fdc69bc10c 2182 if (IS_USERINFO_CHAR(ch)) {
Jan Jongboom 0:85fdc69bc10c 2183 return s_http_userinfo;
Jan Jongboom 0:85fdc69bc10c 2184 }
Jan Jongboom 0:85fdc69bc10c 2185 break;
Jan Jongboom 0:85fdc69bc10c 2186
Jan Jongboom 0:85fdc69bc10c 2187 case s_http_host_start:
Jan Jongboom 0:85fdc69bc10c 2188 if (ch == '[') {
Jan Jongboom 0:85fdc69bc10c 2189 return s_http_host_v6_start;
Jan Jongboom 0:85fdc69bc10c 2190 }
Jan Jongboom 0:85fdc69bc10c 2191
Jan Jongboom 0:85fdc69bc10c 2192 if (IS_HOST_CHAR(ch)) {
Jan Jongboom 0:85fdc69bc10c 2193 return s_http_host;
Jan Jongboom 0:85fdc69bc10c 2194 }
Jan Jongboom 0:85fdc69bc10c 2195
Jan Jongboom 0:85fdc69bc10c 2196 break;
Jan Jongboom 0:85fdc69bc10c 2197
Jan Jongboom 0:85fdc69bc10c 2198 case s_http_host:
Jan Jongboom 0:85fdc69bc10c 2199 if (IS_HOST_CHAR(ch)) {
Jan Jongboom 0:85fdc69bc10c 2200 return s_http_host;
Jan Jongboom 0:85fdc69bc10c 2201 }
Jan Jongboom 0:85fdc69bc10c 2202
Jan Jongboom 0:85fdc69bc10c 2203 /* FALLTHROUGH */
Jan Jongboom 0:85fdc69bc10c 2204 case s_http_host_v6_end:
Jan Jongboom 0:85fdc69bc10c 2205 if (ch == ':') {
Jan Jongboom 0:85fdc69bc10c 2206 return s_http_host_port_start;
Jan Jongboom 0:85fdc69bc10c 2207 }
Jan Jongboom 0:85fdc69bc10c 2208
Jan Jongboom 0:85fdc69bc10c 2209 break;
Jan Jongboom 0:85fdc69bc10c 2210
Jan Jongboom 0:85fdc69bc10c 2211 case s_http_host_v6:
Jan Jongboom 0:85fdc69bc10c 2212 if (ch == ']') {
Jan Jongboom 0:85fdc69bc10c 2213 return s_http_host_v6_end;
Jan Jongboom 0:85fdc69bc10c 2214 }
Jan Jongboom 0:85fdc69bc10c 2215
Jan Jongboom 0:85fdc69bc10c 2216 /* FALLTHROUGH */
Jan Jongboom 0:85fdc69bc10c 2217 case s_http_host_v6_start:
Jan Jongboom 0:85fdc69bc10c 2218 if (IS_HEX(ch) || ch == ':' || ch == '.') {
Jan Jongboom 0:85fdc69bc10c 2219 return s_http_host_v6;
Jan Jongboom 0:85fdc69bc10c 2220 }
Jan Jongboom 0:85fdc69bc10c 2221
Jan Jongboom 0:85fdc69bc10c 2222 if (s == s_http_host_v6 && ch == '%') {
Jan Jongboom 0:85fdc69bc10c 2223 return s_http_host_v6_zone_start;
Jan Jongboom 0:85fdc69bc10c 2224 }
Jan Jongboom 0:85fdc69bc10c 2225 break;
Jan Jongboom 0:85fdc69bc10c 2226
Jan Jongboom 0:85fdc69bc10c 2227 case s_http_host_v6_zone:
Jan Jongboom 0:85fdc69bc10c 2228 if (ch == ']') {
Jan Jongboom 0:85fdc69bc10c 2229 return s_http_host_v6_end;
Jan Jongboom 0:85fdc69bc10c 2230 }
Jan Jongboom 0:85fdc69bc10c 2231
Jan Jongboom 0:85fdc69bc10c 2232 /* FALLTHROUGH */
Jan Jongboom 0:85fdc69bc10c 2233 case s_http_host_v6_zone_start:
Jan Jongboom 0:85fdc69bc10c 2234 /* RFC 6874 Zone ID consists of 1*( unreserved / pct-encoded) */
Jan Jongboom 0:85fdc69bc10c 2235 if (IS_ALPHANUM(ch) || ch == '%' || ch == '.' || ch == '-' || ch == '_' ||
Jan Jongboom 0:85fdc69bc10c 2236 ch == '~') {
Jan Jongboom 0:85fdc69bc10c 2237 return s_http_host_v6_zone;
Jan Jongboom 0:85fdc69bc10c 2238 }
Jan Jongboom 0:85fdc69bc10c 2239 break;
Jan Jongboom 0:85fdc69bc10c 2240
Jan Jongboom 0:85fdc69bc10c 2241 case s_http_host_port:
Jan Jongboom 0:85fdc69bc10c 2242 case s_http_host_port_start:
Jan Jongboom 0:85fdc69bc10c 2243 if (IS_NUM(ch)) {
Jan Jongboom 0:85fdc69bc10c 2244 return s_http_host_port;
Jan Jongboom 0:85fdc69bc10c 2245 }
Jan Jongboom 0:85fdc69bc10c 2246
Jan Jongboom 0:85fdc69bc10c 2247 break;
Jan Jongboom 0:85fdc69bc10c 2248
Jan Jongboom 0:85fdc69bc10c 2249 default:
Jan Jongboom 0:85fdc69bc10c 2250 break;
Jan Jongboom 0:85fdc69bc10c 2251 }
Jan Jongboom 0:85fdc69bc10c 2252 return s_http_host_dead;
Jan Jongboom 0:85fdc69bc10c 2253 }
Jan Jongboom 0:85fdc69bc10c 2254
Jan Jongboom 0:85fdc69bc10c 2255 static int
Jan Jongboom 0:85fdc69bc10c 2256 http_parse_host(const char * buf, struct http_parser_url *u, int found_at) {
Jan Jongboom 0:85fdc69bc10c 2257 enum http_host_state s;
Jan Jongboom 0:85fdc69bc10c 2258
Jan Jongboom 0:85fdc69bc10c 2259 const char *p;
Jan Jongboom 0:85fdc69bc10c 2260 size_t buflen = u->field_data[UF_HOST].off + u->field_data[UF_HOST].len;
Jan Jongboom 0:85fdc69bc10c 2261
Jan Jongboom 0:85fdc69bc10c 2262 assert(u->field_set & (1 << UF_HOST));
Jan Jongboom 0:85fdc69bc10c 2263
Jan Jongboom 0:85fdc69bc10c 2264 u->field_data[UF_HOST].len = 0;
Jan Jongboom 0:85fdc69bc10c 2265
Jan Jongboom 0:85fdc69bc10c 2266 s = found_at ? s_http_userinfo_start : s_http_host_start;
Jan Jongboom 0:85fdc69bc10c 2267
Jan Jongboom 0:85fdc69bc10c 2268 for (p = buf + u->field_data[UF_HOST].off; p < buf + buflen; p++) {
Jan Jongboom 0:85fdc69bc10c 2269 enum http_host_state new_s = http_parse_host_char(s, *p);
Jan Jongboom 0:85fdc69bc10c 2270
Jan Jongboom 0:85fdc69bc10c 2271 if (new_s == s_http_host_dead) {
Jan Jongboom 0:85fdc69bc10c 2272 return 1;
Jan Jongboom 0:85fdc69bc10c 2273 }
Jan Jongboom 0:85fdc69bc10c 2274
Jan Jongboom 0:85fdc69bc10c 2275 switch(new_s) {
Jan Jongboom 0:85fdc69bc10c 2276 case s_http_host:
Jan Jongboom 0:85fdc69bc10c 2277 if (s != s_http_host) {
Jan Jongboom 0:85fdc69bc10c 2278 u->field_data[UF_HOST].off = p - buf;
Jan Jongboom 0:85fdc69bc10c 2279 }
Jan Jongboom 0:85fdc69bc10c 2280 u->field_data[UF_HOST].len++;
Jan Jongboom 0:85fdc69bc10c 2281 break;
Jan Jongboom 0:85fdc69bc10c 2282
Jan Jongboom 0:85fdc69bc10c 2283 case s_http_host_v6:
Jan Jongboom 0:85fdc69bc10c 2284 if (s != s_http_host_v6) {
Jan Jongboom 0:85fdc69bc10c 2285 u->field_data[UF_HOST].off = p - buf;
Jan Jongboom 0:85fdc69bc10c 2286 }
Jan Jongboom 0:85fdc69bc10c 2287 u->field_data[UF_HOST].len++;
Jan Jongboom 0:85fdc69bc10c 2288 break;
Jan Jongboom 0:85fdc69bc10c 2289
Jan Jongboom 0:85fdc69bc10c 2290 case s_http_host_v6_zone_start:
Jan Jongboom 0:85fdc69bc10c 2291 case s_http_host_v6_zone:
Jan Jongboom 0:85fdc69bc10c 2292 u->field_data[UF_HOST].len++;
Jan Jongboom 0:85fdc69bc10c 2293 break;
Jan Jongboom 0:85fdc69bc10c 2294
Jan Jongboom 0:85fdc69bc10c 2295 case s_http_host_port:
Jan Jongboom 0:85fdc69bc10c 2296 if (s != s_http_host_port) {
Jan Jongboom 0:85fdc69bc10c 2297 u->field_data[UF_PORT].off = p - buf;
Jan Jongboom 0:85fdc69bc10c 2298 u->field_data[UF_PORT].len = 0;
Jan Jongboom 0:85fdc69bc10c 2299 u->field_set |= (1 << UF_PORT);
Jan Jongboom 0:85fdc69bc10c 2300 }
Jan Jongboom 0:85fdc69bc10c 2301 u->field_data[UF_PORT].len++;
Jan Jongboom 0:85fdc69bc10c 2302 break;
Jan Jongboom 0:85fdc69bc10c 2303
Jan Jongboom 0:85fdc69bc10c 2304 case s_http_userinfo:
Jan Jongboom 0:85fdc69bc10c 2305 if (s != s_http_userinfo) {
Jan Jongboom 0:85fdc69bc10c 2306 u->field_data[UF_USERINFO].off = p - buf ;
Jan Jongboom 0:85fdc69bc10c 2307 u->field_data[UF_USERINFO].len = 0;
Jan Jongboom 0:85fdc69bc10c 2308 u->field_set |= (1 << UF_USERINFO);
Jan Jongboom 0:85fdc69bc10c 2309 }
Jan Jongboom 0:85fdc69bc10c 2310 u->field_data[UF_USERINFO].len++;
Jan Jongboom 0:85fdc69bc10c 2311 break;
Jan Jongboom 0:85fdc69bc10c 2312
Jan Jongboom 0:85fdc69bc10c 2313 default:
Jan Jongboom 0:85fdc69bc10c 2314 break;
Jan Jongboom 0:85fdc69bc10c 2315 }
Jan Jongboom 0:85fdc69bc10c 2316 s = new_s;
Jan Jongboom 0:85fdc69bc10c 2317 }
Jan Jongboom 0:85fdc69bc10c 2318
Jan Jongboom 0:85fdc69bc10c 2319 /* Make sure we don't end somewhere unexpected */
Jan Jongboom 0:85fdc69bc10c 2320 switch (s) {
Jan Jongboom 0:85fdc69bc10c 2321 case s_http_host_start:
Jan Jongboom 0:85fdc69bc10c 2322 case s_http_host_v6_start:
Jan Jongboom 0:85fdc69bc10c 2323 case s_http_host_v6:
Jan Jongboom 0:85fdc69bc10c 2324 case s_http_host_v6_zone_start:
Jan Jongboom 0:85fdc69bc10c 2325 case s_http_host_v6_zone:
Jan Jongboom 0:85fdc69bc10c 2326 case s_http_host_port_start:
Jan Jongboom 0:85fdc69bc10c 2327 case s_http_userinfo:
Jan Jongboom 0:85fdc69bc10c 2328 case s_http_userinfo_start:
Jan Jongboom 0:85fdc69bc10c 2329 return 1;
Jan Jongboom 0:85fdc69bc10c 2330 default:
Jan Jongboom 0:85fdc69bc10c 2331 break;
Jan Jongboom 0:85fdc69bc10c 2332 }
Jan Jongboom 0:85fdc69bc10c 2333
Jan Jongboom 0:85fdc69bc10c 2334 return 0;
Jan Jongboom 0:85fdc69bc10c 2335 }
Jan Jongboom 0:85fdc69bc10c 2336
Jan Jongboom 0:85fdc69bc10c 2337 void
Jan Jongboom 0:85fdc69bc10c 2338 http_parser_url_init(struct http_parser_url *u) {
Jan Jongboom 0:85fdc69bc10c 2339 memset(u, 0, sizeof(*u));
Jan Jongboom 0:85fdc69bc10c 2340 }
Jan Jongboom 0:85fdc69bc10c 2341
Jan Jongboom 0:85fdc69bc10c 2342 int
Jan Jongboom 0:85fdc69bc10c 2343 http_parser_parse_url(const char *buf, size_t buflen, int is_connect,
Jan Jongboom 0:85fdc69bc10c 2344 struct http_parser_url *u)
Jan Jongboom 0:85fdc69bc10c 2345 {
Jan Jongboom 0:85fdc69bc10c 2346 enum state s;
Jan Jongboom 0:85fdc69bc10c 2347 const char *p;
Jan Jongboom 0:85fdc69bc10c 2348 enum http_parser_url_fields uf, old_uf;
Jan Jongboom 0:85fdc69bc10c 2349 int found_at = 0;
Jan Jongboom 0:85fdc69bc10c 2350
Jan Jongboom 0:85fdc69bc10c 2351 u->port = u->field_set = 0;
Jan Jongboom 0:85fdc69bc10c 2352 s = is_connect ? s_req_server_start : s_req_spaces_before_url;
Jan Jongboom 0:85fdc69bc10c 2353 old_uf = UF_MAX;
Jan Jongboom 0:85fdc69bc10c 2354
Jan Jongboom 0:85fdc69bc10c 2355 for (p = buf; p < buf + buflen; p++) {
Jan Jongboom 0:85fdc69bc10c 2356 s = parse_url_char(s, *p);
Jan Jongboom 0:85fdc69bc10c 2357
Jan Jongboom 0:85fdc69bc10c 2358 /* Figure out the next field that we're operating on */
Jan Jongboom 0:85fdc69bc10c 2359 switch (s) {
Jan Jongboom 0:85fdc69bc10c 2360 case s_dead:
Jan Jongboom 0:85fdc69bc10c 2361 return 1;
Jan Jongboom 0:85fdc69bc10c 2362
Jan Jongboom 0:85fdc69bc10c 2363 /* Skip delimeters */
Jan Jongboom 0:85fdc69bc10c 2364 case s_req_schema_slash:
Jan Jongboom 0:85fdc69bc10c 2365 case s_req_schema_slash_slash:
Jan Jongboom 0:85fdc69bc10c 2366 case s_req_server_start:
Jan Jongboom 0:85fdc69bc10c 2367 case s_req_query_string_start:
Jan Jongboom 0:85fdc69bc10c 2368 case s_req_fragment_start:
Jan Jongboom 0:85fdc69bc10c 2369 continue;
Jan Jongboom 0:85fdc69bc10c 2370
Jan Jongboom 0:85fdc69bc10c 2371 case s_req_schema:
Jan Jongboom 0:85fdc69bc10c 2372 uf = UF_SCHEMA;
Jan Jongboom 0:85fdc69bc10c 2373 break;
Jan Jongboom 0:85fdc69bc10c 2374
Jan Jongboom 0:85fdc69bc10c 2375 case s_req_server_with_at:
Jan Jongboom 0:85fdc69bc10c 2376 found_at = 1;
Jan Jongboom 0:85fdc69bc10c 2377
Jan Jongboom 0:85fdc69bc10c 2378 /* FALLTROUGH */
Jan Jongboom 0:85fdc69bc10c 2379 case s_req_server:
Jan Jongboom 0:85fdc69bc10c 2380 uf = UF_HOST;
Jan Jongboom 0:85fdc69bc10c 2381 break;
Jan Jongboom 0:85fdc69bc10c 2382
Jan Jongboom 0:85fdc69bc10c 2383 case s_req_path:
Jan Jongboom 0:85fdc69bc10c 2384 uf = UF_PATH;
Jan Jongboom 0:85fdc69bc10c 2385 break;
Jan Jongboom 0:85fdc69bc10c 2386
Jan Jongboom 0:85fdc69bc10c 2387 case s_req_query_string:
Jan Jongboom 0:85fdc69bc10c 2388 uf = UF_QUERY;
Jan Jongboom 0:85fdc69bc10c 2389 break;
Jan Jongboom 0:85fdc69bc10c 2390
Jan Jongboom 0:85fdc69bc10c 2391 case s_req_fragment:
Jan Jongboom 0:85fdc69bc10c 2392 uf = UF_FRAGMENT;
Jan Jongboom 0:85fdc69bc10c 2393 break;
Jan Jongboom 0:85fdc69bc10c 2394
Jan Jongboom 0:85fdc69bc10c 2395 default:
Jan Jongboom 0:85fdc69bc10c 2396 assert(!"Unexpected state");
Jan Jongboom 0:85fdc69bc10c 2397 return 1;
Jan Jongboom 0:85fdc69bc10c 2398 }
Jan Jongboom 0:85fdc69bc10c 2399
Jan Jongboom 0:85fdc69bc10c 2400 /* Nothing's changed; soldier on */
Jan Jongboom 0:85fdc69bc10c 2401 if (uf == old_uf) {
Jan Jongboom 0:85fdc69bc10c 2402 u->field_data[uf].len++;
Jan Jongboom 0:85fdc69bc10c 2403 continue;
Jan Jongboom 0:85fdc69bc10c 2404 }
Jan Jongboom 0:85fdc69bc10c 2405
Jan Jongboom 0:85fdc69bc10c 2406 u->field_data[uf].off = p - buf;
Jan Jongboom 0:85fdc69bc10c 2407 u->field_data[uf].len = 1;
Jan Jongboom 0:85fdc69bc10c 2408
Jan Jongboom 0:85fdc69bc10c 2409 u->field_set |= (1 << uf);
Jan Jongboom 0:85fdc69bc10c 2410 old_uf = uf;
Jan Jongboom 0:85fdc69bc10c 2411 }
Jan Jongboom 0:85fdc69bc10c 2412
Jan Jongboom 0:85fdc69bc10c 2413 /* host must be present if there is a schema */
Jan Jongboom 0:85fdc69bc10c 2414 /* parsing http:///toto will fail */
Jan Jongboom 0:85fdc69bc10c 2415 if ((u->field_set & (1 << UF_SCHEMA)) &&
Jan Jongboom 0:85fdc69bc10c 2416 (u->field_set & (1 << UF_HOST)) == 0) {
Jan Jongboom 0:85fdc69bc10c 2417 return 1;
Jan Jongboom 0:85fdc69bc10c 2418 }
Jan Jongboom 0:85fdc69bc10c 2419
Jan Jongboom 0:85fdc69bc10c 2420 if (u->field_set & (1 << UF_HOST)) {
Jan Jongboom 0:85fdc69bc10c 2421 if (http_parse_host(buf, u, found_at) != 0) {
Jan Jongboom 0:85fdc69bc10c 2422 return 1;
Jan Jongboom 0:85fdc69bc10c 2423 }
Jan Jongboom 0:85fdc69bc10c 2424 }
Jan Jongboom 0:85fdc69bc10c 2425
Jan Jongboom 0:85fdc69bc10c 2426 /* CONNECT requests can only contain "hostname:port" */
Jan Jongboom 0:85fdc69bc10c 2427 if (is_connect && u->field_set != ((1 << UF_HOST)|(1 << UF_PORT))) {
Jan Jongboom 0:85fdc69bc10c 2428 return 1;
Jan Jongboom 0:85fdc69bc10c 2429 }
Jan Jongboom 0:85fdc69bc10c 2430
Jan Jongboom 0:85fdc69bc10c 2431 if (u->field_set & (1 << UF_PORT)) {
Jan Jongboom 0:85fdc69bc10c 2432 /* Don't bother with endp; we've already validated the string */
Jan Jongboom 0:85fdc69bc10c 2433 unsigned long v = strtoul(buf + u->field_data[UF_PORT].off, NULL, 10);
Jan Jongboom 0:85fdc69bc10c 2434
Jan Jongboom 0:85fdc69bc10c 2435 /* Ports have a max value of 2^16 */
Jan Jongboom 0:85fdc69bc10c 2436 if (v > 0xffff) {
Jan Jongboom 0:85fdc69bc10c 2437 return 1;
Jan Jongboom 0:85fdc69bc10c 2438 }
Jan Jongboom 0:85fdc69bc10c 2439
Jan Jongboom 0:85fdc69bc10c 2440 u->port = (uint16_t) v;
Jan Jongboom 0:85fdc69bc10c 2441 }
Jan Jongboom 0:85fdc69bc10c 2442
Jan Jongboom 0:85fdc69bc10c 2443 return 0;
Jan Jongboom 0:85fdc69bc10c 2444 }
Jan Jongboom 0:85fdc69bc10c 2445
Jan Jongboom 0:85fdc69bc10c 2446 void
Jan Jongboom 0:85fdc69bc10c 2447 http_parser_pause(http_parser *parser, int paused) {
Jan Jongboom 0:85fdc69bc10c 2448 /* Users should only be pausing/unpausing a parser that is not in an error
Jan Jongboom 0:85fdc69bc10c 2449 * state. In non-debug builds, there's not much that we can do about this
Jan Jongboom 0:85fdc69bc10c 2450 * other than ignore it.
Jan Jongboom 0:85fdc69bc10c 2451 */
Jan Jongboom 0:85fdc69bc10c 2452 if (HTTP_PARSER_ERRNO(parser) == HPE_OK ||
Jan Jongboom 0:85fdc69bc10c 2453 HTTP_PARSER_ERRNO(parser) == HPE_PAUSED) {
Jan Jongboom 0:85fdc69bc10c 2454 SET_ERRNO((paused) ? HPE_PAUSED : HPE_OK);
Jan Jongboom 0:85fdc69bc10c 2455 } else {
Jan Jongboom 0:85fdc69bc10c 2456 assert(0 && "Attempting to pause parser in error state");
Jan Jongboom 0:85fdc69bc10c 2457 }
Jan Jongboom 0:85fdc69bc10c 2458 }
Jan Jongboom 0:85fdc69bc10c 2459
Jan Jongboom 0:85fdc69bc10c 2460 int
Jan Jongboom 0:85fdc69bc10c 2461 http_body_is_final(const struct http_parser *parser) {
Jan Jongboom 0:85fdc69bc10c 2462 return parser->state == s_message_done;
Jan Jongboom 0:85fdc69bc10c 2463 }
Jan Jongboom 0:85fdc69bc10c 2464
Jan Jongboom 0:85fdc69bc10c 2465 unsigned long
Jan Jongboom 0:85fdc69bc10c 2466 http_parser_version(void) {
Jan Jongboom 0:85fdc69bc10c 2467 return HTTP_PARSER_VERSION_MAJOR * 0x10000 |
Jan Jongboom 0:85fdc69bc10c 2468 HTTP_PARSER_VERSION_MINOR * 0x00100 |
Jan Jongboom 0:85fdc69bc10c 2469 HTTP_PARSER_VERSION_PATCH * 0x00001;
Jan Jongboom 0:85fdc69bc10c 2470 }