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mbed-http/http_parser/http_parser.c@0:a49e37a83a7a, 2019-04-15 (annotated)

Committer:: DuaaAbusharkh
Date:: Mon Apr 15 08:30:22 2019 +0000
Revision:: 0:a49e37a83a7a

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User	Revision	Line number	New contents of line
DuaaAbusharkh	0:a49e37a83a7a	1	/* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev
DuaaAbusharkh	0:a49e37a83a7a	2	*
DuaaAbusharkh	0:a49e37a83a7a	3	* Additional changes are licensed under the same terms as NGINX and
DuaaAbusharkh	0:a49e37a83a7a	4	* copyright Joyent, Inc. and other Node contributors. All rights reserved.
DuaaAbusharkh	0:a49e37a83a7a	5	*
DuaaAbusharkh	0:a49e37a83a7a	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
DuaaAbusharkh	0:a49e37a83a7a	7	* of this software and associated documentation files (the "Software"), to
DuaaAbusharkh	0:a49e37a83a7a	8	* deal in the Software without restriction, including without limitation the
DuaaAbusharkh	0:a49e37a83a7a	9	* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
DuaaAbusharkh	0:a49e37a83a7a	10	* sell copies of the Software, and to permit persons to whom the Software is
DuaaAbusharkh	0:a49e37a83a7a	11	* furnished to do so, subject to the following conditions:
DuaaAbusharkh	0:a49e37a83a7a	12	*
DuaaAbusharkh	0:a49e37a83a7a	13	* The above copyright notice and this permission notice shall be included in
DuaaAbusharkh	0:a49e37a83a7a	14	* all copies or substantial portions of the Software.
DuaaAbusharkh	0:a49e37a83a7a	15	*
DuaaAbusharkh	0:a49e37a83a7a	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
DuaaAbusharkh	0:a49e37a83a7a	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
DuaaAbusharkh	0:a49e37a83a7a	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
DuaaAbusharkh	0:a49e37a83a7a	19	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
DuaaAbusharkh	0:a49e37a83a7a	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
DuaaAbusharkh	0:a49e37a83a7a	21	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
DuaaAbusharkh	0:a49e37a83a7a	22	* IN THE SOFTWARE.
DuaaAbusharkh	0:a49e37a83a7a	23	*/
DuaaAbusharkh	0:a49e37a83a7a	24	#include "http_parser.h"
DuaaAbusharkh	0:a49e37a83a7a	25	#include <assert.h>
DuaaAbusharkh	0:a49e37a83a7a	26	#include <stddef.h>
DuaaAbusharkh	0:a49e37a83a7a	27	#include <ctype.h>
DuaaAbusharkh	0:a49e37a83a7a	28	#include <stdlib.h>
DuaaAbusharkh	0:a49e37a83a7a	29	#include <string.h>
DuaaAbusharkh	0:a49e37a83a7a	30	#include <limits.h>
DuaaAbusharkh	0:a49e37a83a7a	31
DuaaAbusharkh	0:a49e37a83a7a	32	#ifndef ULLONG_MAX
DuaaAbusharkh	0:a49e37a83a7a	33	# define ULLONG_MAX ((uint64_t) -1) /* 2^64-1 */
DuaaAbusharkh	0:a49e37a83a7a	34	#endif
DuaaAbusharkh	0:a49e37a83a7a	35
DuaaAbusharkh	0:a49e37a83a7a	36	#ifndef MIN
DuaaAbusharkh	0:a49e37a83a7a	37	# define MIN(a,b) ((a) < (b) ? (a) : (b))
DuaaAbusharkh	0:a49e37a83a7a	38	#endif
DuaaAbusharkh	0:a49e37a83a7a	39
DuaaAbusharkh	0:a49e37a83a7a	40	#ifndef ARRAY_SIZE
DuaaAbusharkh	0:a49e37a83a7a	41	# define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
DuaaAbusharkh	0:a49e37a83a7a	42	#endif
DuaaAbusharkh	0:a49e37a83a7a	43
DuaaAbusharkh	0:a49e37a83a7a	44	#ifndef BIT_AT
DuaaAbusharkh	0:a49e37a83a7a	45	# define BIT_AT(a, i) \
DuaaAbusharkh	0:a49e37a83a7a	46	(!!((unsigned int) (a)[(unsigned int) (i) >> 3] & \
DuaaAbusharkh	0:a49e37a83a7a	47	(1 << ((unsigned int) (i) & 7))))
DuaaAbusharkh	0:a49e37a83a7a	48	#endif
DuaaAbusharkh	0:a49e37a83a7a	49
DuaaAbusharkh	0:a49e37a83a7a	50	#ifndef ELEM_AT
DuaaAbusharkh	0:a49e37a83a7a	51	# define ELEM_AT(a, i, v) ((unsigned int) (i) < ARRAY_SIZE(a) ? (a)[(i)] : (v))
DuaaAbusharkh	0:a49e37a83a7a	52	#endif
DuaaAbusharkh	0:a49e37a83a7a	53
DuaaAbusharkh	0:a49e37a83a7a	54	#define SET_ERRNO(e) \
DuaaAbusharkh	0:a49e37a83a7a	55	do { \
DuaaAbusharkh	0:a49e37a83a7a	56	parser->http_errno = (e); \
DuaaAbusharkh	0:a49e37a83a7a	57	} while(0)
DuaaAbusharkh	0:a49e37a83a7a	58
DuaaAbusharkh	0:a49e37a83a7a	59	#define CURRENT_STATE() p_state
DuaaAbusharkh	0:a49e37a83a7a	60	#define UPDATE_STATE(V) p_state = (enum state) (V);
DuaaAbusharkh	0:a49e37a83a7a	61	#define RETURN(V) \
DuaaAbusharkh	0:a49e37a83a7a	62	do { \
DuaaAbusharkh	0:a49e37a83a7a	63	parser->state = CURRENT_STATE(); \
DuaaAbusharkh	0:a49e37a83a7a	64	return (V); \
DuaaAbusharkh	0:a49e37a83a7a	65	} while (0);
DuaaAbusharkh	0:a49e37a83a7a	66	#define REEXECUTE() \
DuaaAbusharkh	0:a49e37a83a7a	67	goto reexecute; \
DuaaAbusharkh	0:a49e37a83a7a	68
DuaaAbusharkh	0:a49e37a83a7a	69
DuaaAbusharkh	0:a49e37a83a7a	70	#ifdef __GNUC__
DuaaAbusharkh	0:a49e37a83a7a	71	# define LIKELY(X) __builtin_expect(!!(X), 1)
DuaaAbusharkh	0:a49e37a83a7a	72	# define UNLIKELY(X) __builtin_expect(!!(X), 0)
DuaaAbusharkh	0:a49e37a83a7a	73	#else
DuaaAbusharkh	0:a49e37a83a7a	74	# define LIKELY(X) (X)
DuaaAbusharkh	0:a49e37a83a7a	75	# define UNLIKELY(X) (X)
DuaaAbusharkh	0:a49e37a83a7a	76	#endif
DuaaAbusharkh	0:a49e37a83a7a	77
DuaaAbusharkh	0:a49e37a83a7a	78
DuaaAbusharkh	0:a49e37a83a7a	79	/* Run the notify callback FOR, returning ER if it fails */
DuaaAbusharkh	0:a49e37a83a7a	80	#define CALLBACK_NOTIFY_(FOR, ER) \
DuaaAbusharkh	0:a49e37a83a7a	81	do { \
DuaaAbusharkh	0:a49e37a83a7a	82	assert(HTTP_PARSER_ERRNO(parser) == HPE_OK); \
DuaaAbusharkh	0:a49e37a83a7a	83	\
DuaaAbusharkh	0:a49e37a83a7a	84	if (LIKELY(settings->on_##FOR)) { \
DuaaAbusharkh	0:a49e37a83a7a	85	parser->state = CURRENT_STATE(); \
DuaaAbusharkh	0:a49e37a83a7a	86	if (UNLIKELY(0 != settings->on_##FOR(parser))) { \
DuaaAbusharkh	0:a49e37a83a7a	87	SET_ERRNO(HPE_CB_##FOR); \
DuaaAbusharkh	0:a49e37a83a7a	88	} \
DuaaAbusharkh	0:a49e37a83a7a	89	UPDATE_STATE(parser->state); \
DuaaAbusharkh	0:a49e37a83a7a	90	\
DuaaAbusharkh	0:a49e37a83a7a	91	/* We either errored above or got paused; get out */ \
DuaaAbusharkh	0:a49e37a83a7a	92	if (UNLIKELY(HTTP_PARSER_ERRNO(parser) != HPE_OK)) { \
DuaaAbusharkh	0:a49e37a83a7a	93	return (ER); \
DuaaAbusharkh	0:a49e37a83a7a	94	} \
DuaaAbusharkh	0:a49e37a83a7a	95	} \
DuaaAbusharkh	0:a49e37a83a7a	96	} while (0)
DuaaAbusharkh	0:a49e37a83a7a	97
DuaaAbusharkh	0:a49e37a83a7a	98	/* Run the notify callback FOR and consume the current byte */
DuaaAbusharkh	0:a49e37a83a7a	99	#define CALLBACK_NOTIFY(FOR) CALLBACK_NOTIFY_(FOR, p - data + 1)
DuaaAbusharkh	0:a49e37a83a7a	100
DuaaAbusharkh	0:a49e37a83a7a	101	/* Run the notify callback FOR and don't consume the current byte */
DuaaAbusharkh	0:a49e37a83a7a	102	#define CALLBACK_NOTIFY_NOADVANCE(FOR) CALLBACK_NOTIFY_(FOR, p - data)
DuaaAbusharkh	0:a49e37a83a7a	103
DuaaAbusharkh	0:a49e37a83a7a	104	/* Run data callback FOR with LEN bytes, returning ER if it fails */
DuaaAbusharkh	0:a49e37a83a7a	105	#define CALLBACK_DATA_(FOR, LEN, ER) \
DuaaAbusharkh	0:a49e37a83a7a	106	do { \
DuaaAbusharkh	0:a49e37a83a7a	107	assert(HTTP_PARSER_ERRNO(parser) == HPE_OK); \
DuaaAbusharkh	0:a49e37a83a7a	108	\
DuaaAbusharkh	0:a49e37a83a7a	109	if (FOR##_mark) { \
DuaaAbusharkh	0:a49e37a83a7a	110	if (LIKELY(settings->on_##FOR)) { \
DuaaAbusharkh	0:a49e37a83a7a	111	parser->state = CURRENT_STATE(); \
DuaaAbusharkh	0:a49e37a83a7a	112	if (UNLIKELY(0 != \
DuaaAbusharkh	0:a49e37a83a7a	113	settings->on_##FOR(parser, FOR##_mark, (LEN)))) { \
DuaaAbusharkh	0:a49e37a83a7a	114	SET_ERRNO(HPE_CB_##FOR); \
DuaaAbusharkh	0:a49e37a83a7a	115	} \
DuaaAbusharkh	0:a49e37a83a7a	116	UPDATE_STATE(parser->state); \
DuaaAbusharkh	0:a49e37a83a7a	117	\
DuaaAbusharkh	0:a49e37a83a7a	118	/* We either errored above or got paused; get out */ \
DuaaAbusharkh	0:a49e37a83a7a	119	if (UNLIKELY(HTTP_PARSER_ERRNO(parser) != HPE_OK)) { \
DuaaAbusharkh	0:a49e37a83a7a	120	return (ER); \
DuaaAbusharkh	0:a49e37a83a7a	121	} \
DuaaAbusharkh	0:a49e37a83a7a	122	} \
DuaaAbusharkh	0:a49e37a83a7a	123	FOR##_mark = NULL; \
DuaaAbusharkh	0:a49e37a83a7a	124	} \
DuaaAbusharkh	0:a49e37a83a7a	125	} while (0)
DuaaAbusharkh	0:a49e37a83a7a	126
DuaaAbusharkh	0:a49e37a83a7a	127	/* Run the data callback FOR and consume the current byte */
DuaaAbusharkh	0:a49e37a83a7a	128	#define CALLBACK_DATA(FOR) \
DuaaAbusharkh	0:a49e37a83a7a	129	CALLBACK_DATA_(FOR, p - FOR##_mark, p - data + 1)
DuaaAbusharkh	0:a49e37a83a7a	130
DuaaAbusharkh	0:a49e37a83a7a	131	/* Run the data callback FOR and don't consume the current byte */
DuaaAbusharkh	0:a49e37a83a7a	132	#define CALLBACK_DATA_NOADVANCE(FOR) \
DuaaAbusharkh	0:a49e37a83a7a	133	CALLBACK_DATA_(FOR, p - FOR##_mark, p - data)
DuaaAbusharkh	0:a49e37a83a7a	134
DuaaAbusharkh	0:a49e37a83a7a	135	/* Set the mark FOR; non-destructive if mark is already set */
DuaaAbusharkh	0:a49e37a83a7a	136	#define MARK(FOR) \
DuaaAbusharkh	0:a49e37a83a7a	137	do { \
DuaaAbusharkh	0:a49e37a83a7a	138	if (!FOR##_mark) { \
DuaaAbusharkh	0:a49e37a83a7a	139	FOR##_mark = p; \
DuaaAbusharkh	0:a49e37a83a7a	140	} \
DuaaAbusharkh	0:a49e37a83a7a	141	} while (0)
DuaaAbusharkh	0:a49e37a83a7a	142
DuaaAbusharkh	0:a49e37a83a7a	143	/* Don't allow the total size of the HTTP headers (including the status
DuaaAbusharkh	0:a49e37a83a7a	144	* line) to exceed HTTP_MAX_HEADER_SIZE. This check is here to protect
DuaaAbusharkh	0:a49e37a83a7a	145	* embedders against denial-of-service attacks where the attacker feeds
DuaaAbusharkh	0:a49e37a83a7a	146	* us a never-ending header that the embedder keeps buffering.
DuaaAbusharkh	0:a49e37a83a7a	147	*
DuaaAbusharkh	0:a49e37a83a7a	148	* This check is arguably the responsibility of embedders but we're doing
DuaaAbusharkh	0:a49e37a83a7a	149	* it on the embedder's behalf because most won't bother and this way we
DuaaAbusharkh	0:a49e37a83a7a	150	* make the web a little safer. HTTP_MAX_HEADER_SIZE is still far bigger
DuaaAbusharkh	0:a49e37a83a7a	151	* than any reasonable request or response so this should never affect
DuaaAbusharkh	0:a49e37a83a7a	152	* day-to-day operation.
DuaaAbusharkh	0:a49e37a83a7a	153	*/
DuaaAbusharkh	0:a49e37a83a7a	154	#define COUNT_HEADER_SIZE(V) \
DuaaAbusharkh	0:a49e37a83a7a	155	do { \
DuaaAbusharkh	0:a49e37a83a7a	156	parser->nread += (V); \
DuaaAbusharkh	0:a49e37a83a7a	157	if (UNLIKELY(parser->nread > (HTTP_MAX_HEADER_SIZE))) { \
DuaaAbusharkh	0:a49e37a83a7a	158	SET_ERRNO(HPE_HEADER_OVERFLOW); \
DuaaAbusharkh	0:a49e37a83a7a	159	goto error; \
DuaaAbusharkh	0:a49e37a83a7a	160	} \
DuaaAbusharkh	0:a49e37a83a7a	161	} while (0)
DuaaAbusharkh	0:a49e37a83a7a	162
DuaaAbusharkh	0:a49e37a83a7a	163
DuaaAbusharkh	0:a49e37a83a7a	164	#define PROXY_CONNECTION "proxy-connection"
DuaaAbusharkh	0:a49e37a83a7a	165	#define CONNECTION "connection"
DuaaAbusharkh	0:a49e37a83a7a	166	#define CONTENT_LENGTH "content-length"
DuaaAbusharkh	0:a49e37a83a7a	167	#define TRANSFER_ENCODING "transfer-encoding"
DuaaAbusharkh	0:a49e37a83a7a	168	#define UPGRADE "upgrade"
DuaaAbusharkh	0:a49e37a83a7a	169	#define CHUNKED "chunked"
DuaaAbusharkh	0:a49e37a83a7a	170	#define KEEP_ALIVE "keep-alive"
DuaaAbusharkh	0:a49e37a83a7a	171	#define CLOSE "close"
DuaaAbusharkh	0:a49e37a83a7a	172
DuaaAbusharkh	0:a49e37a83a7a	173
DuaaAbusharkh	0:a49e37a83a7a	174	static const char *method_strings[] =
DuaaAbusharkh	0:a49e37a83a7a	175	{
DuaaAbusharkh	0:a49e37a83a7a	176	#define XX(num, name, string) #string,
DuaaAbusharkh	0:a49e37a83a7a	177	HTTP_METHOD_MAP(XX)
DuaaAbusharkh	0:a49e37a83a7a	178	#undef XX
DuaaAbusharkh	0:a49e37a83a7a	179	};
DuaaAbusharkh	0:a49e37a83a7a	180
DuaaAbusharkh	0:a49e37a83a7a	181
DuaaAbusharkh	0:a49e37a83a7a	182	/* Tokens as defined by rfc 2616. Also lowercases them.
DuaaAbusharkh	0:a49e37a83a7a	183	* token = 1*<any CHAR except CTLs or separators>
DuaaAbusharkh	0:a49e37a83a7a	184	* separators = "(" \| ")" \| "<" \| ">" \| "@"
DuaaAbusharkh	0:a49e37a83a7a	185	* \| "," \| ";" \| ":" \| "\" \| <">
DuaaAbusharkh	0:a49e37a83a7a	186	* \| "/" \| "[" \| "]" \| "?" \| "="
DuaaAbusharkh	0:a49e37a83a7a	187	* \| "{" \| "}" \| SP \| HT
DuaaAbusharkh	0:a49e37a83a7a	188	*/
DuaaAbusharkh	0:a49e37a83a7a	189	static const char tokens[256] = {
DuaaAbusharkh	0:a49e37a83a7a	190	/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
DuaaAbusharkh	0:a49e37a83a7a	191	0, 0, 0, 0, 0, 0, 0, 0,
DuaaAbusharkh	0:a49e37a83a7a	192	/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
DuaaAbusharkh	0:a49e37a83a7a	193	0, 0, 0, 0, 0, 0, 0, 0,
DuaaAbusharkh	0:a49e37a83a7a	194	/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
DuaaAbusharkh	0:a49e37a83a7a	195	0, 0, 0, 0, 0, 0, 0, 0,
DuaaAbusharkh	0:a49e37a83a7a	196	/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
DuaaAbusharkh	0:a49e37a83a7a	197	0, 0, 0, 0, 0, 0, 0, 0,
DuaaAbusharkh	0:a49e37a83a7a	198	/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
DuaaAbusharkh	0:a49e37a83a7a	199	0, '!', 0, '#', '$', '%', '&', '\'',
DuaaAbusharkh	0:a49e37a83a7a	200	/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
DuaaAbusharkh	0:a49e37a83a7a	201	0, 0, '*', '+', 0, '-', '.', 0,
DuaaAbusharkh	0:a49e37a83a7a	202	/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
DuaaAbusharkh	0:a49e37a83a7a	203	'0', '1', '2', '3', '4', '5', '6', '7',
DuaaAbusharkh	0:a49e37a83a7a	204	/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
DuaaAbusharkh	0:a49e37a83a7a	205	'8', '9', 0, 0, 0, 0, 0, 0,
DuaaAbusharkh	0:a49e37a83a7a	206	/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
DuaaAbusharkh	0:a49e37a83a7a	207	0, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
DuaaAbusharkh	0:a49e37a83a7a	208	/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
DuaaAbusharkh	0:a49e37a83a7a	209	'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
DuaaAbusharkh	0:a49e37a83a7a	210	/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
DuaaAbusharkh	0:a49e37a83a7a	211	'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
DuaaAbusharkh	0:a49e37a83a7a	212	/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
DuaaAbusharkh	0:a49e37a83a7a	213	'x', 'y', 'z', 0, 0, 0, '^', '_',
DuaaAbusharkh	0:a49e37a83a7a	214	/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
DuaaAbusharkh	0:a49e37a83a7a	215	'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
DuaaAbusharkh	0:a49e37a83a7a	216	/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
DuaaAbusharkh	0:a49e37a83a7a	217	'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
DuaaAbusharkh	0:a49e37a83a7a	218	/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
DuaaAbusharkh	0:a49e37a83a7a	219	'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
DuaaAbusharkh	0:a49e37a83a7a	220	/* 120 x 121 y 122 z 123 { 124 \| 125 } 126 ~ 127 del */
DuaaAbusharkh	0:a49e37a83a7a	221	'x', 'y', 'z', 0, '\|', 0, '~', 0 };
DuaaAbusharkh	0:a49e37a83a7a	222
DuaaAbusharkh	0:a49e37a83a7a	223
DuaaAbusharkh	0:a49e37a83a7a	224	static const int8_t unhex[256] =
DuaaAbusharkh	0:a49e37a83a7a	225	{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
DuaaAbusharkh	0:a49e37a83a7a	226	,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
DuaaAbusharkh	0:a49e37a83a7a	227	,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
DuaaAbusharkh	0:a49e37a83a7a	228	, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1
DuaaAbusharkh	0:a49e37a83a7a	229	,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
DuaaAbusharkh	0:a49e37a83a7a	230	,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
DuaaAbusharkh	0:a49e37a83a7a	231	,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
DuaaAbusharkh	0:a49e37a83a7a	232	,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
DuaaAbusharkh	0:a49e37a83a7a	233	};
DuaaAbusharkh	0:a49e37a83a7a	234
DuaaAbusharkh	0:a49e37a83a7a	235
DuaaAbusharkh	0:a49e37a83a7a	236	#if HTTP_PARSER_STRICT
DuaaAbusharkh	0:a49e37a83a7a	237	# define T(v) 0
DuaaAbusharkh	0:a49e37a83a7a	238	#else
DuaaAbusharkh	0:a49e37a83a7a	239	# define T(v) v
DuaaAbusharkh	0:a49e37a83a7a	240	#endif
DuaaAbusharkh	0:a49e37a83a7a	241
DuaaAbusharkh	0:a49e37a83a7a	242
DuaaAbusharkh	0:a49e37a83a7a	243	static const uint8_t normal_url_char[32] = {
DuaaAbusharkh	0:a49e37a83a7a	244	/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
DuaaAbusharkh	0:a49e37a83a7a	245	0 \| 0 \| 0 \| 0 \| 0 \| 0 \| 0 \| 0,
DuaaAbusharkh	0:a49e37a83a7a	246	/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
DuaaAbusharkh	0:a49e37a83a7a	247	0 \| T(2) \| 0 \| 0 \| T(16) \| 0 \| 0 \| 0,
DuaaAbusharkh	0:a49e37a83a7a	248	/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
DuaaAbusharkh	0:a49e37a83a7a	249	0 \| 0 \| 0 \| 0 \| 0 \| 0 \| 0 \| 0,
DuaaAbusharkh	0:a49e37a83a7a	250	/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
DuaaAbusharkh	0:a49e37a83a7a	251	0 \| 0 \| 0 \| 0 \| 0 \| 0 \| 0 \| 0,
DuaaAbusharkh	0:a49e37a83a7a	252	/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
DuaaAbusharkh	0:a49e37a83a7a	253	0 \| 2 \| 4 \| 0 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	254	/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
DuaaAbusharkh	0:a49e37a83a7a	255	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	256	/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
DuaaAbusharkh	0:a49e37a83a7a	257	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	258	/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
DuaaAbusharkh	0:a49e37a83a7a	259	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 0,
DuaaAbusharkh	0:a49e37a83a7a	260	/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
DuaaAbusharkh	0:a49e37a83a7a	261	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	262	/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
DuaaAbusharkh	0:a49e37a83a7a	263	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	264	/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
DuaaAbusharkh	0:a49e37a83a7a	265	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	266	/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
DuaaAbusharkh	0:a49e37a83a7a	267	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	268	/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
DuaaAbusharkh	0:a49e37a83a7a	269	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	270	/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
DuaaAbusharkh	0:a49e37a83a7a	271	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	272	/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
DuaaAbusharkh	0:a49e37a83a7a	273	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 128,
DuaaAbusharkh	0:a49e37a83a7a	274	/* 120 x 121 y 122 z 123 { 124 \| 125 } 126 ~ 127 del */
DuaaAbusharkh	0:a49e37a83a7a	275	1 \| 2 \| 4 \| 8 \| 16 \| 32 \| 64 \| 0, };
DuaaAbusharkh	0:a49e37a83a7a	276
DuaaAbusharkh	0:a49e37a83a7a	277	#undef T
DuaaAbusharkh	0:a49e37a83a7a	278
DuaaAbusharkh	0:a49e37a83a7a	279	enum state
DuaaAbusharkh	0:a49e37a83a7a	280	{ s_dead = 1 /* important that this is > 0 */
DuaaAbusharkh	0:a49e37a83a7a	281
DuaaAbusharkh	0:a49e37a83a7a	282	, s_start_req_or_res
DuaaAbusharkh	0:a49e37a83a7a	283	, s_res_or_resp_H
DuaaAbusharkh	0:a49e37a83a7a	284	, s_start_res
DuaaAbusharkh	0:a49e37a83a7a	285	, s_res_H
DuaaAbusharkh	0:a49e37a83a7a	286	, s_res_HT
DuaaAbusharkh	0:a49e37a83a7a	287	, s_res_HTT
DuaaAbusharkh	0:a49e37a83a7a	288	, s_res_HTTP
DuaaAbusharkh	0:a49e37a83a7a	289	, s_res_first_http_major
DuaaAbusharkh	0:a49e37a83a7a	290	, s_res_http_major
DuaaAbusharkh	0:a49e37a83a7a	291	, s_res_first_http_minor
DuaaAbusharkh	0:a49e37a83a7a	292	, s_res_http_minor
DuaaAbusharkh	0:a49e37a83a7a	293	, s_res_first_status_code
DuaaAbusharkh	0:a49e37a83a7a	294	, s_res_status_code
DuaaAbusharkh	0:a49e37a83a7a	295	, s_res_status_start
DuaaAbusharkh	0:a49e37a83a7a	296	, s_res_status
DuaaAbusharkh	0:a49e37a83a7a	297	, s_res_line_almost_done
DuaaAbusharkh	0:a49e37a83a7a	298
DuaaAbusharkh	0:a49e37a83a7a	299	, s_start_req
DuaaAbusharkh	0:a49e37a83a7a	300
DuaaAbusharkh	0:a49e37a83a7a	301	, s_req_method
DuaaAbusharkh	0:a49e37a83a7a	302	, s_req_spaces_before_url
DuaaAbusharkh	0:a49e37a83a7a	303	, s_req_schema
DuaaAbusharkh	0:a49e37a83a7a	304	, s_req_schema_slash
DuaaAbusharkh	0:a49e37a83a7a	305	, s_req_schema_slash_slash
DuaaAbusharkh	0:a49e37a83a7a	306	, s_req_server_start
DuaaAbusharkh	0:a49e37a83a7a	307	, s_req_server
DuaaAbusharkh	0:a49e37a83a7a	308	, s_req_server_with_at
DuaaAbusharkh	0:a49e37a83a7a	309	, s_req_path
DuaaAbusharkh	0:a49e37a83a7a	310	, s_req_query_string_start
DuaaAbusharkh	0:a49e37a83a7a	311	, s_req_query_string
DuaaAbusharkh	0:a49e37a83a7a	312	, s_req_fragment_start
DuaaAbusharkh	0:a49e37a83a7a	313	, s_req_fragment
DuaaAbusharkh	0:a49e37a83a7a	314	, s_req_http_start
DuaaAbusharkh	0:a49e37a83a7a	315	, s_req_http_H
DuaaAbusharkh	0:a49e37a83a7a	316	, s_req_http_HT
DuaaAbusharkh	0:a49e37a83a7a	317	, s_req_http_HTT
DuaaAbusharkh	0:a49e37a83a7a	318	, s_req_http_HTTP
DuaaAbusharkh	0:a49e37a83a7a	319	, s_req_first_http_major
DuaaAbusharkh	0:a49e37a83a7a	320	, s_req_http_major
DuaaAbusharkh	0:a49e37a83a7a	321	, s_req_first_http_minor
DuaaAbusharkh	0:a49e37a83a7a	322	, s_req_http_minor
DuaaAbusharkh	0:a49e37a83a7a	323	, s_req_line_almost_done
DuaaAbusharkh	0:a49e37a83a7a	324
DuaaAbusharkh	0:a49e37a83a7a	325	, s_header_field_start
DuaaAbusharkh	0:a49e37a83a7a	326	, s_header_field
DuaaAbusharkh	0:a49e37a83a7a	327	, s_header_value_discard_ws
DuaaAbusharkh	0:a49e37a83a7a	328	, s_header_value_discard_ws_almost_done
DuaaAbusharkh	0:a49e37a83a7a	329	, s_header_value_discard_lws
DuaaAbusharkh	0:a49e37a83a7a	330	, s_header_value_start
DuaaAbusharkh	0:a49e37a83a7a	331	, s_header_value
DuaaAbusharkh	0:a49e37a83a7a	332	, s_header_value_lws
DuaaAbusharkh	0:a49e37a83a7a	333
DuaaAbusharkh	0:a49e37a83a7a	334	, s_header_almost_done
DuaaAbusharkh	0:a49e37a83a7a	335
DuaaAbusharkh	0:a49e37a83a7a	336	, s_chunk_size_start
DuaaAbusharkh	0:a49e37a83a7a	337	, s_chunk_size
DuaaAbusharkh	0:a49e37a83a7a	338	, s_chunk_parameters
DuaaAbusharkh	0:a49e37a83a7a	339	, s_chunk_size_almost_done
DuaaAbusharkh	0:a49e37a83a7a	340
DuaaAbusharkh	0:a49e37a83a7a	341	, s_headers_almost_done
DuaaAbusharkh	0:a49e37a83a7a	342	, s_headers_done
DuaaAbusharkh	0:a49e37a83a7a	343
DuaaAbusharkh	0:a49e37a83a7a	344	/* Important: 's_headers_done' must be the last 'header' state. All
DuaaAbusharkh	0:a49e37a83a7a	345	* states beyond this must be 'body' states. It is used for overflow
DuaaAbusharkh	0:a49e37a83a7a	346	* checking. See the PARSING_HEADER() macro.
DuaaAbusharkh	0:a49e37a83a7a	347	*/
DuaaAbusharkh	0:a49e37a83a7a	348
DuaaAbusharkh	0:a49e37a83a7a	349	, s_chunk_data
DuaaAbusharkh	0:a49e37a83a7a	350	, s_chunk_data_almost_done
DuaaAbusharkh	0:a49e37a83a7a	351	, s_chunk_data_done
DuaaAbusharkh	0:a49e37a83a7a	352
DuaaAbusharkh	0:a49e37a83a7a	353	, s_body_identity
DuaaAbusharkh	0:a49e37a83a7a	354	, s_body_identity_eof
DuaaAbusharkh	0:a49e37a83a7a	355
DuaaAbusharkh	0:a49e37a83a7a	356	, s_message_done
DuaaAbusharkh	0:a49e37a83a7a	357	};
DuaaAbusharkh	0:a49e37a83a7a	358
DuaaAbusharkh	0:a49e37a83a7a	359
DuaaAbusharkh	0:a49e37a83a7a	360	#define PARSING_HEADER(state) (state <= s_headers_done)
DuaaAbusharkh	0:a49e37a83a7a	361
DuaaAbusharkh	0:a49e37a83a7a	362
DuaaAbusharkh	0:a49e37a83a7a	363	enum header_states
DuaaAbusharkh	0:a49e37a83a7a	364	{ h_general = 0
DuaaAbusharkh	0:a49e37a83a7a	365	, h_C
DuaaAbusharkh	0:a49e37a83a7a	366	, h_CO
DuaaAbusharkh	0:a49e37a83a7a	367	, h_CON
DuaaAbusharkh	0:a49e37a83a7a	368
DuaaAbusharkh	0:a49e37a83a7a	369	, h_matching_connection
DuaaAbusharkh	0:a49e37a83a7a	370	, h_matching_proxy_connection
DuaaAbusharkh	0:a49e37a83a7a	371	, h_matching_content_length
DuaaAbusharkh	0:a49e37a83a7a	372	, h_matching_transfer_encoding
DuaaAbusharkh	0:a49e37a83a7a	373	, h_matching_upgrade
DuaaAbusharkh	0:a49e37a83a7a	374
DuaaAbusharkh	0:a49e37a83a7a	375	, h_connection
DuaaAbusharkh	0:a49e37a83a7a	376	, h_content_length
DuaaAbusharkh	0:a49e37a83a7a	377	, h_transfer_encoding
DuaaAbusharkh	0:a49e37a83a7a	378	, h_upgrade
DuaaAbusharkh	0:a49e37a83a7a	379
DuaaAbusharkh	0:a49e37a83a7a	380	, h_matching_transfer_encoding_chunked
DuaaAbusharkh	0:a49e37a83a7a	381	, h_matching_connection_token_start
DuaaAbusharkh	0:a49e37a83a7a	382	, h_matching_connection_keep_alive
DuaaAbusharkh	0:a49e37a83a7a	383	, h_matching_connection_close
DuaaAbusharkh	0:a49e37a83a7a	384	, h_matching_connection_upgrade
DuaaAbusharkh	0:a49e37a83a7a	385	, h_matching_connection_token
DuaaAbusharkh	0:a49e37a83a7a	386
DuaaAbusharkh	0:a49e37a83a7a	387	, h_transfer_encoding_chunked
DuaaAbusharkh	0:a49e37a83a7a	388	, h_connection_keep_alive
DuaaAbusharkh	0:a49e37a83a7a	389	, h_connection_close
DuaaAbusharkh	0:a49e37a83a7a	390	, h_connection_upgrade
DuaaAbusharkh	0:a49e37a83a7a	391	};
DuaaAbusharkh	0:a49e37a83a7a	392
DuaaAbusharkh	0:a49e37a83a7a	393	enum http_host_state
DuaaAbusharkh	0:a49e37a83a7a	394	{
DuaaAbusharkh	0:a49e37a83a7a	395	s_http_host_dead = 1
DuaaAbusharkh	0:a49e37a83a7a	396	, s_http_userinfo_start
DuaaAbusharkh	0:a49e37a83a7a	397	, s_http_userinfo
DuaaAbusharkh	0:a49e37a83a7a	398	, s_http_host_start
DuaaAbusharkh	0:a49e37a83a7a	399	, s_http_host_v6_start
DuaaAbusharkh	0:a49e37a83a7a	400	, s_http_host
DuaaAbusharkh	0:a49e37a83a7a	401	, s_http_host_v6
DuaaAbusharkh	0:a49e37a83a7a	402	, s_http_host_v6_end
DuaaAbusharkh	0:a49e37a83a7a	403	, s_http_host_v6_zone_start
DuaaAbusharkh	0:a49e37a83a7a	404	, s_http_host_v6_zone
DuaaAbusharkh	0:a49e37a83a7a	405	, s_http_host_port_start
DuaaAbusharkh	0:a49e37a83a7a	406	, s_http_host_port
DuaaAbusharkh	0:a49e37a83a7a	407	};
DuaaAbusharkh	0:a49e37a83a7a	408
DuaaAbusharkh	0:a49e37a83a7a	409	/* Macros for character classes; depends on strict-mode */
DuaaAbusharkh	0:a49e37a83a7a	410	#define CR '\r'
DuaaAbusharkh	0:a49e37a83a7a	411	#define LF '\n'
DuaaAbusharkh	0:a49e37a83a7a	412	#define LOWER(c) (unsigned char)(c \| 0x20)
DuaaAbusharkh	0:a49e37a83a7a	413	#define IS_ALPHA(c) (LOWER(c) >= 'a' && LOWER(c) <= 'z')
DuaaAbusharkh	0:a49e37a83a7a	414	#define IS_NUM(c) ((c) >= '0' && (c) <= '9')
DuaaAbusharkh	0:a49e37a83a7a	415	#define IS_ALPHANUM(c) (IS_ALPHA(c) \|\| IS_NUM(c))
DuaaAbusharkh	0:a49e37a83a7a	416	#define IS_HEX(c) (IS_NUM(c) \|\| (LOWER(c) >= 'a' && LOWER(c) <= 'f'))
DuaaAbusharkh	0:a49e37a83a7a	417	#define IS_MARK(c) ((c) == '-' \|\| (c) == '_' \|\| (c) == '.' \|\| \
DuaaAbusharkh	0:a49e37a83a7a	418	(c) == '!' \|\| (c) == '~' \|\| (c) == '*' \|\| (c) == '\'' \|\| (c) == '(' \|\| \
DuaaAbusharkh	0:a49e37a83a7a	419	(c) == ')')
DuaaAbusharkh	0:a49e37a83a7a	420	#define IS_USERINFO_CHAR(c) (IS_ALPHANUM(c) \|\| IS_MARK(c) \|\| (c) == '%' \|\| \
DuaaAbusharkh	0:a49e37a83a7a	421	(c) == ';' \|\| (c) == ':' \|\| (c) == '&' \|\| (c) == '=' \|\| (c) == '+' \|\| \
DuaaAbusharkh	0:a49e37a83a7a	422	(c) == '$' \|\| (c) == ',')
DuaaAbusharkh	0:a49e37a83a7a	423
DuaaAbusharkh	0:a49e37a83a7a	424	#define STRICT_TOKEN(c) (tokens[(unsigned char)c])
DuaaAbusharkh	0:a49e37a83a7a	425
DuaaAbusharkh	0:a49e37a83a7a	426	#if HTTP_PARSER_STRICT
DuaaAbusharkh	0:a49e37a83a7a	427	#define TOKEN(c) (tokens[(unsigned char)c])
DuaaAbusharkh	0:a49e37a83a7a	428	#define IS_URL_CHAR(c) (BIT_AT(normal_url_char, (unsigned char)c))
DuaaAbusharkh	0:a49e37a83a7a	429	#define IS_HOST_CHAR(c) (IS_ALPHANUM(c) \|\| (c) == '.' \|\| (c) == '-')
DuaaAbusharkh	0:a49e37a83a7a	430	#else
DuaaAbusharkh	0:a49e37a83a7a	431	#define TOKEN(c) ((c == ' ') ? ' ' : tokens[(unsigned char)c])
DuaaAbusharkh	0:a49e37a83a7a	432	#define IS_URL_CHAR(c) \
DuaaAbusharkh	0:a49e37a83a7a	433	(BIT_AT(normal_url_char, (unsigned char)c) \|\| ((c) & 0x80))
DuaaAbusharkh	0:a49e37a83a7a	434	#define IS_HOST_CHAR(c) \
DuaaAbusharkh	0:a49e37a83a7a	435	(IS_ALPHANUM(c) \|\| (c) == '.' \|\| (c) == '-' \|\| (c) == '_')
DuaaAbusharkh	0:a49e37a83a7a	436	#endif
DuaaAbusharkh	0:a49e37a83a7a	437
DuaaAbusharkh	0:a49e37a83a7a	438	/**
DuaaAbusharkh	0:a49e37a83a7a	439	* Verify that a char is a valid visible (printable) US-ASCII
DuaaAbusharkh	0:a49e37a83a7a	440	* character or %x80-FF
DuaaAbusharkh	0:a49e37a83a7a	441	**/
DuaaAbusharkh	0:a49e37a83a7a	442	#define IS_HEADER_CHAR(ch) \
DuaaAbusharkh	0:a49e37a83a7a	443	(ch == CR \|\| ch == LF \|\| ch == 9 \|\| ((unsigned char)ch > 31 && ch != 127))
DuaaAbusharkh	0:a49e37a83a7a	444
DuaaAbusharkh	0:a49e37a83a7a	445	#define start_state (parser->type == HTTP_REQUEST ? s_start_req : s_start_res)
DuaaAbusharkh	0:a49e37a83a7a	446
DuaaAbusharkh	0:a49e37a83a7a	447
DuaaAbusharkh	0:a49e37a83a7a	448	#if HTTP_PARSER_STRICT
DuaaAbusharkh	0:a49e37a83a7a	449	# define STRICT_CHECK(cond) \
DuaaAbusharkh	0:a49e37a83a7a	450	do { \
DuaaAbusharkh	0:a49e37a83a7a	451	if (cond) { \
DuaaAbusharkh	0:a49e37a83a7a	452	SET_ERRNO(HPE_STRICT); \
DuaaAbusharkh	0:a49e37a83a7a	453	goto error; \
DuaaAbusharkh	0:a49e37a83a7a	454	} \
DuaaAbusharkh	0:a49e37a83a7a	455	} while (0)
DuaaAbusharkh	0:a49e37a83a7a	456	# define NEW_MESSAGE() (http_should_keep_alive(parser) ? start_state : s_dead)
DuaaAbusharkh	0:a49e37a83a7a	457	#else
DuaaAbusharkh	0:a49e37a83a7a	458	# define STRICT_CHECK(cond)
DuaaAbusharkh	0:a49e37a83a7a	459	# define NEW_MESSAGE() start_state
DuaaAbusharkh	0:a49e37a83a7a	460	#endif
DuaaAbusharkh	0:a49e37a83a7a	461
DuaaAbusharkh	0:a49e37a83a7a	462
DuaaAbusharkh	0:a49e37a83a7a	463	/* Map errno values to strings for human-readable output */
DuaaAbusharkh	0:a49e37a83a7a	464	#define HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s },
DuaaAbusharkh	0:a49e37a83a7a	465	static struct {
DuaaAbusharkh	0:a49e37a83a7a	466	const char *name;
DuaaAbusharkh	0:a49e37a83a7a	467	const char *description;
DuaaAbusharkh	0:a49e37a83a7a	468	} http_strerror_tab[] = {
DuaaAbusharkh	0:a49e37a83a7a	469	HTTP_ERRNO_MAP(HTTP_STRERROR_GEN)
DuaaAbusharkh	0:a49e37a83a7a	470	};
DuaaAbusharkh	0:a49e37a83a7a	471	#undef HTTP_STRERROR_GEN
DuaaAbusharkh	0:a49e37a83a7a	472
DuaaAbusharkh	0:a49e37a83a7a	473	int http_message_needs_eof(const http_parser *parser);
DuaaAbusharkh	0:a49e37a83a7a	474
DuaaAbusharkh	0:a49e37a83a7a	475	/* Our URL parser.
DuaaAbusharkh	0:a49e37a83a7a	476	*
DuaaAbusharkh	0:a49e37a83a7a	477	* This is designed to be shared by http_parser_execute() for URL validation,
DuaaAbusharkh	0:a49e37a83a7a	478	* hence it has a state transition + byte-for-byte interface. In addition, it
DuaaAbusharkh	0:a49e37a83a7a	479	* is meant to be embedded in http_parser_parse_url(), which does the dirty
DuaaAbusharkh	0:a49e37a83a7a	480	* work of turning state transitions URL components for its API.
DuaaAbusharkh	0:a49e37a83a7a	481	*
DuaaAbusharkh	0:a49e37a83a7a	482	* This function should only be invoked with non-space characters. It is
DuaaAbusharkh	0:a49e37a83a7a	483	* assumed that the caller cares about (and can detect) the transition between
DuaaAbusharkh	0:a49e37a83a7a	484	* URL and non-URL states by looking for these.
DuaaAbusharkh	0:a49e37a83a7a	485	*/
DuaaAbusharkh	0:a49e37a83a7a	486	static enum state
DuaaAbusharkh	0:a49e37a83a7a	487	parse_url_char(enum state s, const char ch)
DuaaAbusharkh	0:a49e37a83a7a	488	{
DuaaAbusharkh	0:a49e37a83a7a	489	if (ch == ' ' \|\| ch == '\r' \|\| ch == '\n') {
DuaaAbusharkh	0:a49e37a83a7a	490	return s_dead;
DuaaAbusharkh	0:a49e37a83a7a	491	}
DuaaAbusharkh	0:a49e37a83a7a	492
DuaaAbusharkh	0:a49e37a83a7a	493	#if HTTP_PARSER_STRICT
DuaaAbusharkh	0:a49e37a83a7a	494	if (ch == '\t' \|\| ch == '\f') {
DuaaAbusharkh	0:a49e37a83a7a	495	return s_dead;
DuaaAbusharkh	0:a49e37a83a7a	496	}
DuaaAbusharkh	0:a49e37a83a7a	497	#endif
DuaaAbusharkh	0:a49e37a83a7a	498
DuaaAbusharkh	0:a49e37a83a7a	499	switch (s) {
DuaaAbusharkh	0:a49e37a83a7a	500	case s_req_spaces_before_url:
DuaaAbusharkh	0:a49e37a83a7a	501	/* Proxied requests are followed by scheme of an absolute URI (alpha).
DuaaAbusharkh	0:a49e37a83a7a	502	* All methods except CONNECT are followed by '/' or '*'.
DuaaAbusharkh	0:a49e37a83a7a	503	*/
DuaaAbusharkh	0:a49e37a83a7a	504
DuaaAbusharkh	0:a49e37a83a7a	505	if (ch == '/' \|\| ch == '*') {
DuaaAbusharkh	0:a49e37a83a7a	506	return s_req_path;
DuaaAbusharkh	0:a49e37a83a7a	507	}
DuaaAbusharkh	0:a49e37a83a7a	508
DuaaAbusharkh	0:a49e37a83a7a	509	if (IS_ALPHA(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	510	return s_req_schema;
DuaaAbusharkh	0:a49e37a83a7a	511	}
DuaaAbusharkh	0:a49e37a83a7a	512
DuaaAbusharkh	0:a49e37a83a7a	513	break;
DuaaAbusharkh	0:a49e37a83a7a	514
DuaaAbusharkh	0:a49e37a83a7a	515	case s_req_schema:
DuaaAbusharkh	0:a49e37a83a7a	516	if (IS_ALPHA(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	517	return s;
DuaaAbusharkh	0:a49e37a83a7a	518	}
DuaaAbusharkh	0:a49e37a83a7a	519
DuaaAbusharkh	0:a49e37a83a7a	520	if (ch == ':') {
DuaaAbusharkh	0:a49e37a83a7a	521	return s_req_schema_slash;
DuaaAbusharkh	0:a49e37a83a7a	522	}
DuaaAbusharkh	0:a49e37a83a7a	523
DuaaAbusharkh	0:a49e37a83a7a	524	break;
DuaaAbusharkh	0:a49e37a83a7a	525
DuaaAbusharkh	0:a49e37a83a7a	526	case s_req_schema_slash:
DuaaAbusharkh	0:a49e37a83a7a	527	if (ch == '/') {
DuaaAbusharkh	0:a49e37a83a7a	528	return s_req_schema_slash_slash;
DuaaAbusharkh	0:a49e37a83a7a	529	}
DuaaAbusharkh	0:a49e37a83a7a	530
DuaaAbusharkh	0:a49e37a83a7a	531	break;
DuaaAbusharkh	0:a49e37a83a7a	532
DuaaAbusharkh	0:a49e37a83a7a	533	case s_req_schema_slash_slash:
DuaaAbusharkh	0:a49e37a83a7a	534	if (ch == '/') {
DuaaAbusharkh	0:a49e37a83a7a	535	return s_req_server_start;
DuaaAbusharkh	0:a49e37a83a7a	536	}
DuaaAbusharkh	0:a49e37a83a7a	537
DuaaAbusharkh	0:a49e37a83a7a	538	break;
DuaaAbusharkh	0:a49e37a83a7a	539
DuaaAbusharkh	0:a49e37a83a7a	540	case s_req_server_with_at:
DuaaAbusharkh	0:a49e37a83a7a	541	if (ch == '@') {
DuaaAbusharkh	0:a49e37a83a7a	542	return s_dead;
DuaaAbusharkh	0:a49e37a83a7a	543	}
DuaaAbusharkh	0:a49e37a83a7a	544
DuaaAbusharkh	0:a49e37a83a7a	545	/* FALLTHROUGH */
DuaaAbusharkh	0:a49e37a83a7a	546	case s_req_server_start:
DuaaAbusharkh	0:a49e37a83a7a	547	case s_req_server:
DuaaAbusharkh	0:a49e37a83a7a	548	if (ch == '/') {
DuaaAbusharkh	0:a49e37a83a7a	549	return s_req_path;
DuaaAbusharkh	0:a49e37a83a7a	550	}
DuaaAbusharkh	0:a49e37a83a7a	551
DuaaAbusharkh	0:a49e37a83a7a	552	if (ch == '?') {
DuaaAbusharkh	0:a49e37a83a7a	553	return s_req_query_string_start;
DuaaAbusharkh	0:a49e37a83a7a	554	}
DuaaAbusharkh	0:a49e37a83a7a	555
DuaaAbusharkh	0:a49e37a83a7a	556	if (ch == '@') {
DuaaAbusharkh	0:a49e37a83a7a	557	return s_req_server_with_at;
DuaaAbusharkh	0:a49e37a83a7a	558	}
DuaaAbusharkh	0:a49e37a83a7a	559
DuaaAbusharkh	0:a49e37a83a7a	560	if (IS_USERINFO_CHAR(ch) \|\| ch == '[' \|\| ch == ']') {
DuaaAbusharkh	0:a49e37a83a7a	561	return s_req_server;
DuaaAbusharkh	0:a49e37a83a7a	562	}
DuaaAbusharkh	0:a49e37a83a7a	563
DuaaAbusharkh	0:a49e37a83a7a	564	break;
DuaaAbusharkh	0:a49e37a83a7a	565
DuaaAbusharkh	0:a49e37a83a7a	566	case s_req_path:
DuaaAbusharkh	0:a49e37a83a7a	567	if (IS_URL_CHAR(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	568	return s;
DuaaAbusharkh	0:a49e37a83a7a	569	}
DuaaAbusharkh	0:a49e37a83a7a	570
DuaaAbusharkh	0:a49e37a83a7a	571	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	572	case '?':
DuaaAbusharkh	0:a49e37a83a7a	573	return s_req_query_string_start;
DuaaAbusharkh	0:a49e37a83a7a	574
DuaaAbusharkh	0:a49e37a83a7a	575	case '#':
DuaaAbusharkh	0:a49e37a83a7a	576	return s_req_fragment_start;
DuaaAbusharkh	0:a49e37a83a7a	577	}
DuaaAbusharkh	0:a49e37a83a7a	578
DuaaAbusharkh	0:a49e37a83a7a	579	break;
DuaaAbusharkh	0:a49e37a83a7a	580
DuaaAbusharkh	0:a49e37a83a7a	581	case s_req_query_string_start:
DuaaAbusharkh	0:a49e37a83a7a	582	case s_req_query_string:
DuaaAbusharkh	0:a49e37a83a7a	583	if (IS_URL_CHAR(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	584	return s_req_query_string;
DuaaAbusharkh	0:a49e37a83a7a	585	}
DuaaAbusharkh	0:a49e37a83a7a	586
DuaaAbusharkh	0:a49e37a83a7a	587	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	588	case '?':
DuaaAbusharkh	0:a49e37a83a7a	589	/* allow extra '?' in query string */
DuaaAbusharkh	0:a49e37a83a7a	590	return s_req_query_string;
DuaaAbusharkh	0:a49e37a83a7a	591
DuaaAbusharkh	0:a49e37a83a7a	592	case '#':
DuaaAbusharkh	0:a49e37a83a7a	593	return s_req_fragment_start;
DuaaAbusharkh	0:a49e37a83a7a	594	}
DuaaAbusharkh	0:a49e37a83a7a	595
DuaaAbusharkh	0:a49e37a83a7a	596	break;
DuaaAbusharkh	0:a49e37a83a7a	597
DuaaAbusharkh	0:a49e37a83a7a	598	case s_req_fragment_start:
DuaaAbusharkh	0:a49e37a83a7a	599	if (IS_URL_CHAR(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	600	return s_req_fragment;
DuaaAbusharkh	0:a49e37a83a7a	601	}
DuaaAbusharkh	0:a49e37a83a7a	602
DuaaAbusharkh	0:a49e37a83a7a	603	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	604	case '?':
DuaaAbusharkh	0:a49e37a83a7a	605	return s_req_fragment;
DuaaAbusharkh	0:a49e37a83a7a	606
DuaaAbusharkh	0:a49e37a83a7a	607	case '#':
DuaaAbusharkh	0:a49e37a83a7a	608	return s;
DuaaAbusharkh	0:a49e37a83a7a	609	}
DuaaAbusharkh	0:a49e37a83a7a	610
DuaaAbusharkh	0:a49e37a83a7a	611	break;
DuaaAbusharkh	0:a49e37a83a7a	612
DuaaAbusharkh	0:a49e37a83a7a	613	case s_req_fragment:
DuaaAbusharkh	0:a49e37a83a7a	614	if (IS_URL_CHAR(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	615	return s;
DuaaAbusharkh	0:a49e37a83a7a	616	}
DuaaAbusharkh	0:a49e37a83a7a	617
DuaaAbusharkh	0:a49e37a83a7a	618	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	619	case '?':
DuaaAbusharkh	0:a49e37a83a7a	620	case '#':
DuaaAbusharkh	0:a49e37a83a7a	621	return s;
DuaaAbusharkh	0:a49e37a83a7a	622	}
DuaaAbusharkh	0:a49e37a83a7a	623
DuaaAbusharkh	0:a49e37a83a7a	624	break;
DuaaAbusharkh	0:a49e37a83a7a	625
DuaaAbusharkh	0:a49e37a83a7a	626	default:
DuaaAbusharkh	0:a49e37a83a7a	627	break;
DuaaAbusharkh	0:a49e37a83a7a	628	}
DuaaAbusharkh	0:a49e37a83a7a	629
DuaaAbusharkh	0:a49e37a83a7a	630	/* We should never fall out of the switch above unless there's an error */
DuaaAbusharkh	0:a49e37a83a7a	631	return s_dead;
DuaaAbusharkh	0:a49e37a83a7a	632	}
DuaaAbusharkh	0:a49e37a83a7a	633
DuaaAbusharkh	0:a49e37a83a7a	634	size_t http_parser_execute (http_parser *parser,
DuaaAbusharkh	0:a49e37a83a7a	635	const http_parser_settings *settings,
DuaaAbusharkh	0:a49e37a83a7a	636	const char *data,
DuaaAbusharkh	0:a49e37a83a7a	637	size_t len)
DuaaAbusharkh	0:a49e37a83a7a	638	{
DuaaAbusharkh	0:a49e37a83a7a	639	char c, ch;
DuaaAbusharkh	0:a49e37a83a7a	640	int8_t unhex_val;
DuaaAbusharkh	0:a49e37a83a7a	641	const char *p = data;
DuaaAbusharkh	0:a49e37a83a7a	642	const char *header_field_mark = 0;
DuaaAbusharkh	0:a49e37a83a7a	643	const char *header_value_mark = 0;
DuaaAbusharkh	0:a49e37a83a7a	644	const char *url_mark = 0;
DuaaAbusharkh	0:a49e37a83a7a	645	const char *body_mark = 0;
DuaaAbusharkh	0:a49e37a83a7a	646	const char *status_mark = 0;
DuaaAbusharkh	0:a49e37a83a7a	647	enum state p_state = (enum state) parser->state;
DuaaAbusharkh	0:a49e37a83a7a	648	const unsigned int lenient = parser->lenient_http_headers;
DuaaAbusharkh	0:a49e37a83a7a	649
DuaaAbusharkh	0:a49e37a83a7a	650	/* We're in an error state. Don't bother doing anything. */
DuaaAbusharkh	0:a49e37a83a7a	651	if (HTTP_PARSER_ERRNO(parser) != HPE_OK) {
DuaaAbusharkh	0:a49e37a83a7a	652	return 0;
DuaaAbusharkh	0:a49e37a83a7a	653	}
DuaaAbusharkh	0:a49e37a83a7a	654
DuaaAbusharkh	0:a49e37a83a7a	655	if (len == 0) {
DuaaAbusharkh	0:a49e37a83a7a	656	switch (CURRENT_STATE()) {
DuaaAbusharkh	0:a49e37a83a7a	657	case s_body_identity_eof:
DuaaAbusharkh	0:a49e37a83a7a	658	/* Use of CALLBACK_NOTIFY() here would erroneously return 1 byte read if
DuaaAbusharkh	0:a49e37a83a7a	659	* we got paused.
DuaaAbusharkh	0:a49e37a83a7a	660	*/
DuaaAbusharkh	0:a49e37a83a7a	661	CALLBACK_NOTIFY_NOADVANCE(message_complete);
DuaaAbusharkh	0:a49e37a83a7a	662	return 0;
DuaaAbusharkh	0:a49e37a83a7a	663
DuaaAbusharkh	0:a49e37a83a7a	664	case s_dead:
DuaaAbusharkh	0:a49e37a83a7a	665	case s_start_req_or_res:
DuaaAbusharkh	0:a49e37a83a7a	666	case s_start_res:
DuaaAbusharkh	0:a49e37a83a7a	667	case s_start_req:
DuaaAbusharkh	0:a49e37a83a7a	668	return 0;
DuaaAbusharkh	0:a49e37a83a7a	669
DuaaAbusharkh	0:a49e37a83a7a	670	default:
DuaaAbusharkh	0:a49e37a83a7a	671	SET_ERRNO(HPE_INVALID_EOF_STATE);
DuaaAbusharkh	0:a49e37a83a7a	672	return 1;
DuaaAbusharkh	0:a49e37a83a7a	673	}
DuaaAbusharkh	0:a49e37a83a7a	674	}
DuaaAbusharkh	0:a49e37a83a7a	675
DuaaAbusharkh	0:a49e37a83a7a	676
DuaaAbusharkh	0:a49e37a83a7a	677	if (CURRENT_STATE() == s_header_field)
DuaaAbusharkh	0:a49e37a83a7a	678	header_field_mark = data;
DuaaAbusharkh	0:a49e37a83a7a	679	if (CURRENT_STATE() == s_header_value)
DuaaAbusharkh	0:a49e37a83a7a	680	header_value_mark = data;
DuaaAbusharkh	0:a49e37a83a7a	681	switch (CURRENT_STATE()) {
DuaaAbusharkh	0:a49e37a83a7a	682	case s_req_path:
DuaaAbusharkh	0:a49e37a83a7a	683	case s_req_schema:
DuaaAbusharkh	0:a49e37a83a7a	684	case s_req_schema_slash:
DuaaAbusharkh	0:a49e37a83a7a	685	case s_req_schema_slash_slash:
DuaaAbusharkh	0:a49e37a83a7a	686	case s_req_server_start:
DuaaAbusharkh	0:a49e37a83a7a	687	case s_req_server:
DuaaAbusharkh	0:a49e37a83a7a	688	case s_req_server_with_at:
DuaaAbusharkh	0:a49e37a83a7a	689	case s_req_query_string_start:
DuaaAbusharkh	0:a49e37a83a7a	690	case s_req_query_string:
DuaaAbusharkh	0:a49e37a83a7a	691	case s_req_fragment_start:
DuaaAbusharkh	0:a49e37a83a7a	692	case s_req_fragment:
DuaaAbusharkh	0:a49e37a83a7a	693	url_mark = data;
DuaaAbusharkh	0:a49e37a83a7a	694	break;
DuaaAbusharkh	0:a49e37a83a7a	695	case s_res_status:
DuaaAbusharkh	0:a49e37a83a7a	696	status_mark = data;
DuaaAbusharkh	0:a49e37a83a7a	697	break;
DuaaAbusharkh	0:a49e37a83a7a	698	default:
DuaaAbusharkh	0:a49e37a83a7a	699	break;
DuaaAbusharkh	0:a49e37a83a7a	700	}
DuaaAbusharkh	0:a49e37a83a7a	701
DuaaAbusharkh	0:a49e37a83a7a	702	for (p=data; p != data + len; p++) {
DuaaAbusharkh	0:a49e37a83a7a	703	ch = *p;
DuaaAbusharkh	0:a49e37a83a7a	704
DuaaAbusharkh	0:a49e37a83a7a	705	if (PARSING_HEADER(CURRENT_STATE()))
DuaaAbusharkh	0:a49e37a83a7a	706	COUNT_HEADER_SIZE(1);
DuaaAbusharkh	0:a49e37a83a7a	707
DuaaAbusharkh	0:a49e37a83a7a	708	reexecute:
DuaaAbusharkh	0:a49e37a83a7a	709	switch (CURRENT_STATE()) {
DuaaAbusharkh	0:a49e37a83a7a	710
DuaaAbusharkh	0:a49e37a83a7a	711	case s_dead:
DuaaAbusharkh	0:a49e37a83a7a	712	/* this state is used after a 'Connection: close' message
DuaaAbusharkh	0:a49e37a83a7a	713	* the parser will error out if it reads another message
DuaaAbusharkh	0:a49e37a83a7a	714	*/
DuaaAbusharkh	0:a49e37a83a7a	715	if (LIKELY(ch == CR \|\| ch == LF))
DuaaAbusharkh	0:a49e37a83a7a	716	break;
DuaaAbusharkh	0:a49e37a83a7a	717
DuaaAbusharkh	0:a49e37a83a7a	718	SET_ERRNO(HPE_CLOSED_CONNECTION);
DuaaAbusharkh	0:a49e37a83a7a	719	goto error;
DuaaAbusharkh	0:a49e37a83a7a	720
DuaaAbusharkh	0:a49e37a83a7a	721	case s_start_req_or_res:
DuaaAbusharkh	0:a49e37a83a7a	722	{
DuaaAbusharkh	0:a49e37a83a7a	723	if (ch == CR \|\| ch == LF)
DuaaAbusharkh	0:a49e37a83a7a	724	break;
DuaaAbusharkh	0:a49e37a83a7a	725	parser->flags = 0;
DuaaAbusharkh	0:a49e37a83a7a	726	parser->content_length = ULLONG_MAX;
DuaaAbusharkh	0:a49e37a83a7a	727
DuaaAbusharkh	0:a49e37a83a7a	728	if (ch == 'H') {
DuaaAbusharkh	0:a49e37a83a7a	729	UPDATE_STATE(s_res_or_resp_H);
DuaaAbusharkh	0:a49e37a83a7a	730
DuaaAbusharkh	0:a49e37a83a7a	731	CALLBACK_NOTIFY(message_begin);
DuaaAbusharkh	0:a49e37a83a7a	732	} else {
DuaaAbusharkh	0:a49e37a83a7a	733	parser->type = HTTP_REQUEST;
DuaaAbusharkh	0:a49e37a83a7a	734	UPDATE_STATE(s_start_req);
DuaaAbusharkh	0:a49e37a83a7a	735	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	736	}
DuaaAbusharkh	0:a49e37a83a7a	737
DuaaAbusharkh	0:a49e37a83a7a	738	break;
DuaaAbusharkh	0:a49e37a83a7a	739	}
DuaaAbusharkh	0:a49e37a83a7a	740
DuaaAbusharkh	0:a49e37a83a7a	741	case s_res_or_resp_H:
DuaaAbusharkh	0:a49e37a83a7a	742	if (ch == 'T') {
DuaaAbusharkh	0:a49e37a83a7a	743	parser->type = HTTP_RESPONSE;
DuaaAbusharkh	0:a49e37a83a7a	744	UPDATE_STATE(s_res_HT);
DuaaAbusharkh	0:a49e37a83a7a	745	} else {
DuaaAbusharkh	0:a49e37a83a7a	746	if (UNLIKELY(ch != 'E')) {
DuaaAbusharkh	0:a49e37a83a7a	747	SET_ERRNO(HPE_INVALID_CONSTANT);
DuaaAbusharkh	0:a49e37a83a7a	748	goto error;
DuaaAbusharkh	0:a49e37a83a7a	749	}
DuaaAbusharkh	0:a49e37a83a7a	750
DuaaAbusharkh	0:a49e37a83a7a	751	parser->type = HTTP_REQUEST;
DuaaAbusharkh	0:a49e37a83a7a	752	parser->method = HTTP_HEAD;
DuaaAbusharkh	0:a49e37a83a7a	753	parser->index = 2;
DuaaAbusharkh	0:a49e37a83a7a	754	UPDATE_STATE(s_req_method);
DuaaAbusharkh	0:a49e37a83a7a	755	}
DuaaAbusharkh	0:a49e37a83a7a	756	break;
DuaaAbusharkh	0:a49e37a83a7a	757
DuaaAbusharkh	0:a49e37a83a7a	758	case s_start_res:
DuaaAbusharkh	0:a49e37a83a7a	759	{
DuaaAbusharkh	0:a49e37a83a7a	760	parser->flags = 0;
DuaaAbusharkh	0:a49e37a83a7a	761	parser->content_length = ULLONG_MAX;
DuaaAbusharkh	0:a49e37a83a7a	762
DuaaAbusharkh	0:a49e37a83a7a	763	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	764	case 'H':
DuaaAbusharkh	0:a49e37a83a7a	765	UPDATE_STATE(s_res_H);
DuaaAbusharkh	0:a49e37a83a7a	766	break;
DuaaAbusharkh	0:a49e37a83a7a	767
DuaaAbusharkh	0:a49e37a83a7a	768	case CR:
DuaaAbusharkh	0:a49e37a83a7a	769	case LF:
DuaaAbusharkh	0:a49e37a83a7a	770	break;
DuaaAbusharkh	0:a49e37a83a7a	771
DuaaAbusharkh	0:a49e37a83a7a	772	default:
DuaaAbusharkh	0:a49e37a83a7a	773	SET_ERRNO(HPE_INVALID_CONSTANT);
DuaaAbusharkh	0:a49e37a83a7a	774	goto error;
DuaaAbusharkh	0:a49e37a83a7a	775	}
DuaaAbusharkh	0:a49e37a83a7a	776
DuaaAbusharkh	0:a49e37a83a7a	777	CALLBACK_NOTIFY(message_begin);
DuaaAbusharkh	0:a49e37a83a7a	778	break;
DuaaAbusharkh	0:a49e37a83a7a	779	}
DuaaAbusharkh	0:a49e37a83a7a	780
DuaaAbusharkh	0:a49e37a83a7a	781	case s_res_H:
DuaaAbusharkh	0:a49e37a83a7a	782	STRICT_CHECK(ch != 'T');
DuaaAbusharkh	0:a49e37a83a7a	783	UPDATE_STATE(s_res_HT);
DuaaAbusharkh	0:a49e37a83a7a	784	break;
DuaaAbusharkh	0:a49e37a83a7a	785
DuaaAbusharkh	0:a49e37a83a7a	786	case s_res_HT:
DuaaAbusharkh	0:a49e37a83a7a	787	STRICT_CHECK(ch != 'T');
DuaaAbusharkh	0:a49e37a83a7a	788	UPDATE_STATE(s_res_HTT);
DuaaAbusharkh	0:a49e37a83a7a	789	break;
DuaaAbusharkh	0:a49e37a83a7a	790
DuaaAbusharkh	0:a49e37a83a7a	791	case s_res_HTT:
DuaaAbusharkh	0:a49e37a83a7a	792	STRICT_CHECK(ch != 'P');
DuaaAbusharkh	0:a49e37a83a7a	793	UPDATE_STATE(s_res_HTTP);
DuaaAbusharkh	0:a49e37a83a7a	794	break;
DuaaAbusharkh	0:a49e37a83a7a	795
DuaaAbusharkh	0:a49e37a83a7a	796	case s_res_HTTP:
DuaaAbusharkh	0:a49e37a83a7a	797	STRICT_CHECK(ch != '/');
DuaaAbusharkh	0:a49e37a83a7a	798	UPDATE_STATE(s_res_first_http_major);
DuaaAbusharkh	0:a49e37a83a7a	799	break;
DuaaAbusharkh	0:a49e37a83a7a	800
DuaaAbusharkh	0:a49e37a83a7a	801	case s_res_first_http_major:
DuaaAbusharkh	0:a49e37a83a7a	802	if (UNLIKELY(ch < '0' \|\| ch > '9')) {
DuaaAbusharkh	0:a49e37a83a7a	803	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	804	goto error;
DuaaAbusharkh	0:a49e37a83a7a	805	}
DuaaAbusharkh	0:a49e37a83a7a	806
DuaaAbusharkh	0:a49e37a83a7a	807	parser->http_major = ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	808	UPDATE_STATE(s_res_http_major);
DuaaAbusharkh	0:a49e37a83a7a	809	break;
DuaaAbusharkh	0:a49e37a83a7a	810
DuaaAbusharkh	0:a49e37a83a7a	811	/* major HTTP version or dot */
DuaaAbusharkh	0:a49e37a83a7a	812	case s_res_http_major:
DuaaAbusharkh	0:a49e37a83a7a	813	{
DuaaAbusharkh	0:a49e37a83a7a	814	if (ch == '.') {
DuaaAbusharkh	0:a49e37a83a7a	815	UPDATE_STATE(s_res_first_http_minor);
DuaaAbusharkh	0:a49e37a83a7a	816	break;
DuaaAbusharkh	0:a49e37a83a7a	817	}
DuaaAbusharkh	0:a49e37a83a7a	818
DuaaAbusharkh	0:a49e37a83a7a	819	if (!IS_NUM(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	820	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	821	goto error;
DuaaAbusharkh	0:a49e37a83a7a	822	}
DuaaAbusharkh	0:a49e37a83a7a	823
DuaaAbusharkh	0:a49e37a83a7a	824	parser->http_major *= 10;
DuaaAbusharkh	0:a49e37a83a7a	825	parser->http_major += ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	826
DuaaAbusharkh	0:a49e37a83a7a	827	if (UNLIKELY(parser->http_major > 999)) {
DuaaAbusharkh	0:a49e37a83a7a	828	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	829	goto error;
DuaaAbusharkh	0:a49e37a83a7a	830	}
DuaaAbusharkh	0:a49e37a83a7a	831
DuaaAbusharkh	0:a49e37a83a7a	832	break;
DuaaAbusharkh	0:a49e37a83a7a	833	}
DuaaAbusharkh	0:a49e37a83a7a	834
DuaaAbusharkh	0:a49e37a83a7a	835	/* first digit of minor HTTP version */
DuaaAbusharkh	0:a49e37a83a7a	836	case s_res_first_http_minor:
DuaaAbusharkh	0:a49e37a83a7a	837	if (UNLIKELY(!IS_NUM(ch))) {
DuaaAbusharkh	0:a49e37a83a7a	838	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	839	goto error;
DuaaAbusharkh	0:a49e37a83a7a	840	}
DuaaAbusharkh	0:a49e37a83a7a	841
DuaaAbusharkh	0:a49e37a83a7a	842	parser->http_minor = ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	843	UPDATE_STATE(s_res_http_minor);
DuaaAbusharkh	0:a49e37a83a7a	844	break;
DuaaAbusharkh	0:a49e37a83a7a	845
DuaaAbusharkh	0:a49e37a83a7a	846	/* minor HTTP version or end of request line */
DuaaAbusharkh	0:a49e37a83a7a	847	case s_res_http_minor:
DuaaAbusharkh	0:a49e37a83a7a	848	{
DuaaAbusharkh	0:a49e37a83a7a	849	if (ch == ' ') {
DuaaAbusharkh	0:a49e37a83a7a	850	UPDATE_STATE(s_res_first_status_code);
DuaaAbusharkh	0:a49e37a83a7a	851	break;
DuaaAbusharkh	0:a49e37a83a7a	852	}
DuaaAbusharkh	0:a49e37a83a7a	853
DuaaAbusharkh	0:a49e37a83a7a	854	if (UNLIKELY(!IS_NUM(ch))) {
DuaaAbusharkh	0:a49e37a83a7a	855	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	856	goto error;
DuaaAbusharkh	0:a49e37a83a7a	857	}
DuaaAbusharkh	0:a49e37a83a7a	858
DuaaAbusharkh	0:a49e37a83a7a	859	parser->http_minor *= 10;
DuaaAbusharkh	0:a49e37a83a7a	860	parser->http_minor += ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	861
DuaaAbusharkh	0:a49e37a83a7a	862	if (UNLIKELY(parser->http_minor > 999)) {
DuaaAbusharkh	0:a49e37a83a7a	863	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	864	goto error;
DuaaAbusharkh	0:a49e37a83a7a	865	}
DuaaAbusharkh	0:a49e37a83a7a	866
DuaaAbusharkh	0:a49e37a83a7a	867	break;
DuaaAbusharkh	0:a49e37a83a7a	868	}
DuaaAbusharkh	0:a49e37a83a7a	869
DuaaAbusharkh	0:a49e37a83a7a	870	case s_res_first_status_code:
DuaaAbusharkh	0:a49e37a83a7a	871	{
DuaaAbusharkh	0:a49e37a83a7a	872	if (!IS_NUM(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	873	if (ch == ' ') {
DuaaAbusharkh	0:a49e37a83a7a	874	break;
DuaaAbusharkh	0:a49e37a83a7a	875	}
DuaaAbusharkh	0:a49e37a83a7a	876
DuaaAbusharkh	0:a49e37a83a7a	877	SET_ERRNO(HPE_INVALID_STATUS);
DuaaAbusharkh	0:a49e37a83a7a	878	goto error;
DuaaAbusharkh	0:a49e37a83a7a	879	}
DuaaAbusharkh	0:a49e37a83a7a	880	parser->status_code = ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	881	UPDATE_STATE(s_res_status_code);
DuaaAbusharkh	0:a49e37a83a7a	882	break;
DuaaAbusharkh	0:a49e37a83a7a	883	}
DuaaAbusharkh	0:a49e37a83a7a	884
DuaaAbusharkh	0:a49e37a83a7a	885	case s_res_status_code:
DuaaAbusharkh	0:a49e37a83a7a	886	{
DuaaAbusharkh	0:a49e37a83a7a	887	if (!IS_NUM(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	888	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	889	case ' ':
DuaaAbusharkh	0:a49e37a83a7a	890	UPDATE_STATE(s_res_status_start);
DuaaAbusharkh	0:a49e37a83a7a	891	break;
DuaaAbusharkh	0:a49e37a83a7a	892	case CR:
DuaaAbusharkh	0:a49e37a83a7a	893	UPDATE_STATE(s_res_line_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	894	break;
DuaaAbusharkh	0:a49e37a83a7a	895	case LF:
DuaaAbusharkh	0:a49e37a83a7a	896	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	897	break;
DuaaAbusharkh	0:a49e37a83a7a	898	default:
DuaaAbusharkh	0:a49e37a83a7a	899	SET_ERRNO(HPE_INVALID_STATUS);
DuaaAbusharkh	0:a49e37a83a7a	900	goto error;
DuaaAbusharkh	0:a49e37a83a7a	901	}
DuaaAbusharkh	0:a49e37a83a7a	902	break;
DuaaAbusharkh	0:a49e37a83a7a	903	}
DuaaAbusharkh	0:a49e37a83a7a	904
DuaaAbusharkh	0:a49e37a83a7a	905	parser->status_code *= 10;
DuaaAbusharkh	0:a49e37a83a7a	906	parser->status_code += ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	907
DuaaAbusharkh	0:a49e37a83a7a	908	if (UNLIKELY(parser->status_code > 999)) {
DuaaAbusharkh	0:a49e37a83a7a	909	SET_ERRNO(HPE_INVALID_STATUS);
DuaaAbusharkh	0:a49e37a83a7a	910	goto error;
DuaaAbusharkh	0:a49e37a83a7a	911	}
DuaaAbusharkh	0:a49e37a83a7a	912
DuaaAbusharkh	0:a49e37a83a7a	913	break;
DuaaAbusharkh	0:a49e37a83a7a	914	}
DuaaAbusharkh	0:a49e37a83a7a	915
DuaaAbusharkh	0:a49e37a83a7a	916	case s_res_status_start:
DuaaAbusharkh	0:a49e37a83a7a	917	{
DuaaAbusharkh	0:a49e37a83a7a	918	if (ch == CR) {
DuaaAbusharkh	0:a49e37a83a7a	919	UPDATE_STATE(s_res_line_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	920	break;
DuaaAbusharkh	0:a49e37a83a7a	921	}
DuaaAbusharkh	0:a49e37a83a7a	922
DuaaAbusharkh	0:a49e37a83a7a	923	if (ch == LF) {
DuaaAbusharkh	0:a49e37a83a7a	924	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	925	break;
DuaaAbusharkh	0:a49e37a83a7a	926	}
DuaaAbusharkh	0:a49e37a83a7a	927
DuaaAbusharkh	0:a49e37a83a7a	928	MARK(status);
DuaaAbusharkh	0:a49e37a83a7a	929	UPDATE_STATE(s_res_status);
DuaaAbusharkh	0:a49e37a83a7a	930	parser->index = 0;
DuaaAbusharkh	0:a49e37a83a7a	931	break;
DuaaAbusharkh	0:a49e37a83a7a	932	}
DuaaAbusharkh	0:a49e37a83a7a	933
DuaaAbusharkh	0:a49e37a83a7a	934	case s_res_status:
DuaaAbusharkh	0:a49e37a83a7a	935	if (ch == CR) {
DuaaAbusharkh	0:a49e37a83a7a	936	UPDATE_STATE(s_res_line_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	937	CALLBACK_DATA(status);
DuaaAbusharkh	0:a49e37a83a7a	938	break;
DuaaAbusharkh	0:a49e37a83a7a	939	}
DuaaAbusharkh	0:a49e37a83a7a	940
DuaaAbusharkh	0:a49e37a83a7a	941	if (ch == LF) {
DuaaAbusharkh	0:a49e37a83a7a	942	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	943	CALLBACK_DATA(status);
DuaaAbusharkh	0:a49e37a83a7a	944	break;
DuaaAbusharkh	0:a49e37a83a7a	945	}
DuaaAbusharkh	0:a49e37a83a7a	946
DuaaAbusharkh	0:a49e37a83a7a	947	break;
DuaaAbusharkh	0:a49e37a83a7a	948
DuaaAbusharkh	0:a49e37a83a7a	949	case s_res_line_almost_done:
DuaaAbusharkh	0:a49e37a83a7a	950	STRICT_CHECK(ch != LF);
DuaaAbusharkh	0:a49e37a83a7a	951	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	952	break;
DuaaAbusharkh	0:a49e37a83a7a	953
DuaaAbusharkh	0:a49e37a83a7a	954	case s_start_req:
DuaaAbusharkh	0:a49e37a83a7a	955	{
DuaaAbusharkh	0:a49e37a83a7a	956	if (ch == CR \|\| ch == LF)
DuaaAbusharkh	0:a49e37a83a7a	957	break;
DuaaAbusharkh	0:a49e37a83a7a	958	parser->flags = 0;
DuaaAbusharkh	0:a49e37a83a7a	959	parser->content_length = ULLONG_MAX;
DuaaAbusharkh	0:a49e37a83a7a	960
DuaaAbusharkh	0:a49e37a83a7a	961	if (UNLIKELY(!IS_ALPHA(ch))) {
DuaaAbusharkh	0:a49e37a83a7a	962	SET_ERRNO(HPE_INVALID_METHOD);
DuaaAbusharkh	0:a49e37a83a7a	963	goto error;
DuaaAbusharkh	0:a49e37a83a7a	964	}
DuaaAbusharkh	0:a49e37a83a7a	965
DuaaAbusharkh	0:a49e37a83a7a	966	parser->method = (enum http_method) 0;
DuaaAbusharkh	0:a49e37a83a7a	967	parser->index = 1;
DuaaAbusharkh	0:a49e37a83a7a	968	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	969	case 'A': parser->method = HTTP_ACL; break;
DuaaAbusharkh	0:a49e37a83a7a	970	case 'B': parser->method = HTTP_BIND; break;
DuaaAbusharkh	0:a49e37a83a7a	971	case 'C': parser->method = HTTP_CONNECT; /* or COPY, CHECKOUT */ break;
DuaaAbusharkh	0:a49e37a83a7a	972	case 'D': parser->method = HTTP_DELETE; break;
DuaaAbusharkh	0:a49e37a83a7a	973	case 'G': parser->method = HTTP_GET; break;
DuaaAbusharkh	0:a49e37a83a7a	974	case 'H': parser->method = HTTP_HEAD; break;
DuaaAbusharkh	0:a49e37a83a7a	975	case 'L': parser->method = HTTP_LOCK; /* or LINK */ break;
DuaaAbusharkh	0:a49e37a83a7a	976	case 'M': parser->method = HTTP_MKCOL; /* or MOVE, MKACTIVITY, MERGE, M-SEARCH, MKCALENDAR */ break;
DuaaAbusharkh	0:a49e37a83a7a	977	case 'N': parser->method = HTTP_NOTIFY; break;
DuaaAbusharkh	0:a49e37a83a7a	978	case 'O': parser->method = HTTP_OPTIONS; break;
DuaaAbusharkh	0:a49e37a83a7a	979	case 'P': parser->method = HTTP_POST;
DuaaAbusharkh	0:a49e37a83a7a	980	/* or PROPFIND\|PROPPATCH\|PUT\|PATCH\|PURGE */
DuaaAbusharkh	0:a49e37a83a7a	981	break;
DuaaAbusharkh	0:a49e37a83a7a	982	case 'R': parser->method = HTTP_REPORT; /* or REBIND */ break;
DuaaAbusharkh	0:a49e37a83a7a	983	case 'S': parser->method = HTTP_SUBSCRIBE; /* or SEARCH */ break;
DuaaAbusharkh	0:a49e37a83a7a	984	case 'T': parser->method = HTTP_TRACE; break;
DuaaAbusharkh	0:a49e37a83a7a	985	case 'U': parser->method = HTTP_UNLOCK; /* or UNSUBSCRIBE, UNBIND, UNLINK */ break;
DuaaAbusharkh	0:a49e37a83a7a	986	default:
DuaaAbusharkh	0:a49e37a83a7a	987	SET_ERRNO(HPE_INVALID_METHOD);
DuaaAbusharkh	0:a49e37a83a7a	988	goto error;
DuaaAbusharkh	0:a49e37a83a7a	989	}
DuaaAbusharkh	0:a49e37a83a7a	990	UPDATE_STATE(s_req_method);
DuaaAbusharkh	0:a49e37a83a7a	991
DuaaAbusharkh	0:a49e37a83a7a	992	CALLBACK_NOTIFY(message_begin);
DuaaAbusharkh	0:a49e37a83a7a	993
DuaaAbusharkh	0:a49e37a83a7a	994	break;
DuaaAbusharkh	0:a49e37a83a7a	995	}
DuaaAbusharkh	0:a49e37a83a7a	996
DuaaAbusharkh	0:a49e37a83a7a	997	case s_req_method:
DuaaAbusharkh	0:a49e37a83a7a	998	{
DuaaAbusharkh	0:a49e37a83a7a	999	const char *matcher;
DuaaAbusharkh	0:a49e37a83a7a	1000	if (UNLIKELY(ch == '\0')) {
DuaaAbusharkh	0:a49e37a83a7a	1001	SET_ERRNO(HPE_INVALID_METHOD);
DuaaAbusharkh	0:a49e37a83a7a	1002	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1003	}
DuaaAbusharkh	0:a49e37a83a7a	1004
DuaaAbusharkh	0:a49e37a83a7a	1005	matcher = method_strings[parser->method];
DuaaAbusharkh	0:a49e37a83a7a	1006	if (ch == ' ' && matcher[parser->index] == '\0') {
DuaaAbusharkh	0:a49e37a83a7a	1007	UPDATE_STATE(s_req_spaces_before_url);
DuaaAbusharkh	0:a49e37a83a7a	1008	} else if (ch == matcher[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1009	; /* nada */
DuaaAbusharkh	0:a49e37a83a7a	1010	} else if (IS_ALPHA(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	1011
DuaaAbusharkh	0:a49e37a83a7a	1012	switch (parser->method << 16 \| parser->index << 8 \| ch) {
DuaaAbusharkh	0:a49e37a83a7a	1013	#define XX(meth, pos, ch, new_meth) \
DuaaAbusharkh	0:a49e37a83a7a	1014	case (HTTP_##meth << 16 \| pos << 8 \| ch): \
DuaaAbusharkh	0:a49e37a83a7a	1015	parser->method = HTTP_##new_meth; break;
DuaaAbusharkh	0:a49e37a83a7a	1016
DuaaAbusharkh	0:a49e37a83a7a	1017	XX(POST, 1, 'U', PUT)
DuaaAbusharkh	0:a49e37a83a7a	1018	XX(POST, 1, 'A', PATCH)
DuaaAbusharkh	0:a49e37a83a7a	1019	XX(CONNECT, 1, 'H', CHECKOUT)
DuaaAbusharkh	0:a49e37a83a7a	1020	XX(CONNECT, 2, 'P', COPY)
DuaaAbusharkh	0:a49e37a83a7a	1021	XX(MKCOL, 1, 'O', MOVE)
DuaaAbusharkh	0:a49e37a83a7a	1022	XX(MKCOL, 1, 'E', MERGE)
DuaaAbusharkh	0:a49e37a83a7a	1023	XX(MKCOL, 2, 'A', MKACTIVITY)
DuaaAbusharkh	0:a49e37a83a7a	1024	XX(MKCOL, 3, 'A', MKCALENDAR)
DuaaAbusharkh	0:a49e37a83a7a	1025	XX(SUBSCRIBE, 1, 'E', SEARCH)
DuaaAbusharkh	0:a49e37a83a7a	1026	XX(REPORT, 2, 'B', REBIND)
DuaaAbusharkh	0:a49e37a83a7a	1027	XX(POST, 1, 'R', PROPFIND)
DuaaAbusharkh	0:a49e37a83a7a	1028	XX(PROPFIND, 4, 'P', PROPPATCH)
DuaaAbusharkh	0:a49e37a83a7a	1029	XX(PUT, 2, 'R', PURGE)
DuaaAbusharkh	0:a49e37a83a7a	1030	XX(LOCK, 1, 'I', LINK)
DuaaAbusharkh	0:a49e37a83a7a	1031	XX(UNLOCK, 2, 'S', UNSUBSCRIBE)
DuaaAbusharkh	0:a49e37a83a7a	1032	XX(UNLOCK, 2, 'B', UNBIND)
DuaaAbusharkh	0:a49e37a83a7a	1033	XX(UNLOCK, 3, 'I', UNLINK)
DuaaAbusharkh	0:a49e37a83a7a	1034	#undef XX
DuaaAbusharkh	0:a49e37a83a7a	1035
DuaaAbusharkh	0:a49e37a83a7a	1036	default:
DuaaAbusharkh	0:a49e37a83a7a	1037	SET_ERRNO(HPE_INVALID_METHOD);
DuaaAbusharkh	0:a49e37a83a7a	1038	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1039	}
DuaaAbusharkh	0:a49e37a83a7a	1040	} else if (ch == '-' &&
DuaaAbusharkh	0:a49e37a83a7a	1041	parser->index == 1 &&
DuaaAbusharkh	0:a49e37a83a7a	1042	parser->method == HTTP_MKCOL) {
DuaaAbusharkh	0:a49e37a83a7a	1043	parser->method = HTTP_MSEARCH;
DuaaAbusharkh	0:a49e37a83a7a	1044	} else {
DuaaAbusharkh	0:a49e37a83a7a	1045	SET_ERRNO(HPE_INVALID_METHOD);
DuaaAbusharkh	0:a49e37a83a7a	1046	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1047	}
DuaaAbusharkh	0:a49e37a83a7a	1048
DuaaAbusharkh	0:a49e37a83a7a	1049	++parser->index;
DuaaAbusharkh	0:a49e37a83a7a	1050	break;
DuaaAbusharkh	0:a49e37a83a7a	1051	}
DuaaAbusharkh	0:a49e37a83a7a	1052
DuaaAbusharkh	0:a49e37a83a7a	1053	case s_req_spaces_before_url:
DuaaAbusharkh	0:a49e37a83a7a	1054	{
DuaaAbusharkh	0:a49e37a83a7a	1055	if (ch == ' ') break;
DuaaAbusharkh	0:a49e37a83a7a	1056
DuaaAbusharkh	0:a49e37a83a7a	1057	MARK(url);
DuaaAbusharkh	0:a49e37a83a7a	1058	if (parser->method == HTTP_CONNECT) {
DuaaAbusharkh	0:a49e37a83a7a	1059	UPDATE_STATE(s_req_server_start);
DuaaAbusharkh	0:a49e37a83a7a	1060	}
DuaaAbusharkh	0:a49e37a83a7a	1061
DuaaAbusharkh	0:a49e37a83a7a	1062	UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
DuaaAbusharkh	0:a49e37a83a7a	1063	if (UNLIKELY(CURRENT_STATE() == s_dead)) {
DuaaAbusharkh	0:a49e37a83a7a	1064	SET_ERRNO(HPE_INVALID_URL);
DuaaAbusharkh	0:a49e37a83a7a	1065	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1066	}
DuaaAbusharkh	0:a49e37a83a7a	1067
DuaaAbusharkh	0:a49e37a83a7a	1068	break;
DuaaAbusharkh	0:a49e37a83a7a	1069	}
DuaaAbusharkh	0:a49e37a83a7a	1070
DuaaAbusharkh	0:a49e37a83a7a	1071	case s_req_schema:
DuaaAbusharkh	0:a49e37a83a7a	1072	case s_req_schema_slash:
DuaaAbusharkh	0:a49e37a83a7a	1073	case s_req_schema_slash_slash:
DuaaAbusharkh	0:a49e37a83a7a	1074	case s_req_server_start:
DuaaAbusharkh	0:a49e37a83a7a	1075	{
DuaaAbusharkh	0:a49e37a83a7a	1076	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	1077	/* No whitespace allowed here */
DuaaAbusharkh	0:a49e37a83a7a	1078	case ' ':
DuaaAbusharkh	0:a49e37a83a7a	1079	case CR:
DuaaAbusharkh	0:a49e37a83a7a	1080	case LF:
DuaaAbusharkh	0:a49e37a83a7a	1081	SET_ERRNO(HPE_INVALID_URL);
DuaaAbusharkh	0:a49e37a83a7a	1082	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1083	default:
DuaaAbusharkh	0:a49e37a83a7a	1084	UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
DuaaAbusharkh	0:a49e37a83a7a	1085	if (UNLIKELY(CURRENT_STATE() == s_dead)) {
DuaaAbusharkh	0:a49e37a83a7a	1086	SET_ERRNO(HPE_INVALID_URL);
DuaaAbusharkh	0:a49e37a83a7a	1087	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1088	}
DuaaAbusharkh	0:a49e37a83a7a	1089	}
DuaaAbusharkh	0:a49e37a83a7a	1090
DuaaAbusharkh	0:a49e37a83a7a	1091	break;
DuaaAbusharkh	0:a49e37a83a7a	1092	}
DuaaAbusharkh	0:a49e37a83a7a	1093
DuaaAbusharkh	0:a49e37a83a7a	1094	case s_req_server:
DuaaAbusharkh	0:a49e37a83a7a	1095	case s_req_server_with_at:
DuaaAbusharkh	0:a49e37a83a7a	1096	case s_req_path:
DuaaAbusharkh	0:a49e37a83a7a	1097	case s_req_query_string_start:
DuaaAbusharkh	0:a49e37a83a7a	1098	case s_req_query_string:
DuaaAbusharkh	0:a49e37a83a7a	1099	case s_req_fragment_start:
DuaaAbusharkh	0:a49e37a83a7a	1100	case s_req_fragment:
DuaaAbusharkh	0:a49e37a83a7a	1101	{
DuaaAbusharkh	0:a49e37a83a7a	1102	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	1103	case ' ':
DuaaAbusharkh	0:a49e37a83a7a	1104	UPDATE_STATE(s_req_http_start);
DuaaAbusharkh	0:a49e37a83a7a	1105	CALLBACK_DATA(url);
DuaaAbusharkh	0:a49e37a83a7a	1106	break;
DuaaAbusharkh	0:a49e37a83a7a	1107	case CR:
DuaaAbusharkh	0:a49e37a83a7a	1108	case LF:
DuaaAbusharkh	0:a49e37a83a7a	1109	parser->http_major = 0;
DuaaAbusharkh	0:a49e37a83a7a	1110	parser->http_minor = 9;
DuaaAbusharkh	0:a49e37a83a7a	1111	UPDATE_STATE((ch == CR) ?
DuaaAbusharkh	0:a49e37a83a7a	1112	s_req_line_almost_done :
DuaaAbusharkh	0:a49e37a83a7a	1113	s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	1114	CALLBACK_DATA(url);
DuaaAbusharkh	0:a49e37a83a7a	1115	break;
DuaaAbusharkh	0:a49e37a83a7a	1116	default:
DuaaAbusharkh	0:a49e37a83a7a	1117	UPDATE_STATE(parse_url_char(CURRENT_STATE(), ch));
DuaaAbusharkh	0:a49e37a83a7a	1118	if (UNLIKELY(CURRENT_STATE() == s_dead)) {
DuaaAbusharkh	0:a49e37a83a7a	1119	SET_ERRNO(HPE_INVALID_URL);
DuaaAbusharkh	0:a49e37a83a7a	1120	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1121	}
DuaaAbusharkh	0:a49e37a83a7a	1122	}
DuaaAbusharkh	0:a49e37a83a7a	1123	break;
DuaaAbusharkh	0:a49e37a83a7a	1124	}
DuaaAbusharkh	0:a49e37a83a7a	1125
DuaaAbusharkh	0:a49e37a83a7a	1126	case s_req_http_start:
DuaaAbusharkh	0:a49e37a83a7a	1127	switch (ch) {
DuaaAbusharkh	0:a49e37a83a7a	1128	case 'H':
DuaaAbusharkh	0:a49e37a83a7a	1129	UPDATE_STATE(s_req_http_H);
DuaaAbusharkh	0:a49e37a83a7a	1130	break;
DuaaAbusharkh	0:a49e37a83a7a	1131	case ' ':
DuaaAbusharkh	0:a49e37a83a7a	1132	break;
DuaaAbusharkh	0:a49e37a83a7a	1133	default:
DuaaAbusharkh	0:a49e37a83a7a	1134	SET_ERRNO(HPE_INVALID_CONSTANT);
DuaaAbusharkh	0:a49e37a83a7a	1135	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1136	}
DuaaAbusharkh	0:a49e37a83a7a	1137	break;
DuaaAbusharkh	0:a49e37a83a7a	1138
DuaaAbusharkh	0:a49e37a83a7a	1139	case s_req_http_H:
DuaaAbusharkh	0:a49e37a83a7a	1140	STRICT_CHECK(ch != 'T');
DuaaAbusharkh	0:a49e37a83a7a	1141	UPDATE_STATE(s_req_http_HT);
DuaaAbusharkh	0:a49e37a83a7a	1142	break;
DuaaAbusharkh	0:a49e37a83a7a	1143
DuaaAbusharkh	0:a49e37a83a7a	1144	case s_req_http_HT:
DuaaAbusharkh	0:a49e37a83a7a	1145	STRICT_CHECK(ch != 'T');
DuaaAbusharkh	0:a49e37a83a7a	1146	UPDATE_STATE(s_req_http_HTT);
DuaaAbusharkh	0:a49e37a83a7a	1147	break;
DuaaAbusharkh	0:a49e37a83a7a	1148
DuaaAbusharkh	0:a49e37a83a7a	1149	case s_req_http_HTT:
DuaaAbusharkh	0:a49e37a83a7a	1150	STRICT_CHECK(ch != 'P');
DuaaAbusharkh	0:a49e37a83a7a	1151	UPDATE_STATE(s_req_http_HTTP);
DuaaAbusharkh	0:a49e37a83a7a	1152	break;
DuaaAbusharkh	0:a49e37a83a7a	1153
DuaaAbusharkh	0:a49e37a83a7a	1154	case s_req_http_HTTP:
DuaaAbusharkh	0:a49e37a83a7a	1155	STRICT_CHECK(ch != '/');
DuaaAbusharkh	0:a49e37a83a7a	1156	UPDATE_STATE(s_req_first_http_major);
DuaaAbusharkh	0:a49e37a83a7a	1157	break;
DuaaAbusharkh	0:a49e37a83a7a	1158
DuaaAbusharkh	0:a49e37a83a7a	1159	/* first digit of major HTTP version */
DuaaAbusharkh	0:a49e37a83a7a	1160	case s_req_first_http_major:
DuaaAbusharkh	0:a49e37a83a7a	1161	if (UNLIKELY(ch < '1' \|\| ch > '9')) {
DuaaAbusharkh	0:a49e37a83a7a	1162	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	1163	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1164	}
DuaaAbusharkh	0:a49e37a83a7a	1165
DuaaAbusharkh	0:a49e37a83a7a	1166	parser->http_major = ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	1167	UPDATE_STATE(s_req_http_major);
DuaaAbusharkh	0:a49e37a83a7a	1168	break;
DuaaAbusharkh	0:a49e37a83a7a	1169
DuaaAbusharkh	0:a49e37a83a7a	1170	/* major HTTP version or dot */
DuaaAbusharkh	0:a49e37a83a7a	1171	case s_req_http_major:
DuaaAbusharkh	0:a49e37a83a7a	1172	{
DuaaAbusharkh	0:a49e37a83a7a	1173	if (ch == '.') {
DuaaAbusharkh	0:a49e37a83a7a	1174	UPDATE_STATE(s_req_first_http_minor);
DuaaAbusharkh	0:a49e37a83a7a	1175	break;
DuaaAbusharkh	0:a49e37a83a7a	1176	}
DuaaAbusharkh	0:a49e37a83a7a	1177
DuaaAbusharkh	0:a49e37a83a7a	1178	if (UNLIKELY(!IS_NUM(ch))) {
DuaaAbusharkh	0:a49e37a83a7a	1179	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	1180	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1181	}
DuaaAbusharkh	0:a49e37a83a7a	1182
DuaaAbusharkh	0:a49e37a83a7a	1183	parser->http_major *= 10;
DuaaAbusharkh	0:a49e37a83a7a	1184	parser->http_major += ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	1185
DuaaAbusharkh	0:a49e37a83a7a	1186	if (UNLIKELY(parser->http_major > 999)) {
DuaaAbusharkh	0:a49e37a83a7a	1187	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	1188	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1189	}
DuaaAbusharkh	0:a49e37a83a7a	1190
DuaaAbusharkh	0:a49e37a83a7a	1191	break;
DuaaAbusharkh	0:a49e37a83a7a	1192	}
DuaaAbusharkh	0:a49e37a83a7a	1193
DuaaAbusharkh	0:a49e37a83a7a	1194	/* first digit of minor HTTP version */
DuaaAbusharkh	0:a49e37a83a7a	1195	case s_req_first_http_minor:
DuaaAbusharkh	0:a49e37a83a7a	1196	if (UNLIKELY(!IS_NUM(ch))) {
DuaaAbusharkh	0:a49e37a83a7a	1197	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	1198	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1199	}
DuaaAbusharkh	0:a49e37a83a7a	1200
DuaaAbusharkh	0:a49e37a83a7a	1201	parser->http_minor = ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	1202	UPDATE_STATE(s_req_http_minor);
DuaaAbusharkh	0:a49e37a83a7a	1203	break;
DuaaAbusharkh	0:a49e37a83a7a	1204
DuaaAbusharkh	0:a49e37a83a7a	1205	/* minor HTTP version or end of request line */
DuaaAbusharkh	0:a49e37a83a7a	1206	case s_req_http_minor:
DuaaAbusharkh	0:a49e37a83a7a	1207	{
DuaaAbusharkh	0:a49e37a83a7a	1208	if (ch == CR) {
DuaaAbusharkh	0:a49e37a83a7a	1209	UPDATE_STATE(s_req_line_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	1210	break;
DuaaAbusharkh	0:a49e37a83a7a	1211	}
DuaaAbusharkh	0:a49e37a83a7a	1212
DuaaAbusharkh	0:a49e37a83a7a	1213	if (ch == LF) {
DuaaAbusharkh	0:a49e37a83a7a	1214	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	1215	break;
DuaaAbusharkh	0:a49e37a83a7a	1216	}
DuaaAbusharkh	0:a49e37a83a7a	1217
DuaaAbusharkh	0:a49e37a83a7a	1218	/* XXX allow spaces after digit? */
DuaaAbusharkh	0:a49e37a83a7a	1219
DuaaAbusharkh	0:a49e37a83a7a	1220	if (UNLIKELY(!IS_NUM(ch))) {
DuaaAbusharkh	0:a49e37a83a7a	1221	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	1222	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1223	}
DuaaAbusharkh	0:a49e37a83a7a	1224
DuaaAbusharkh	0:a49e37a83a7a	1225	parser->http_minor *= 10;
DuaaAbusharkh	0:a49e37a83a7a	1226	parser->http_minor += ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	1227
DuaaAbusharkh	0:a49e37a83a7a	1228	if (UNLIKELY(parser->http_minor > 999)) {
DuaaAbusharkh	0:a49e37a83a7a	1229	SET_ERRNO(HPE_INVALID_VERSION);
DuaaAbusharkh	0:a49e37a83a7a	1230	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1231	}
DuaaAbusharkh	0:a49e37a83a7a	1232
DuaaAbusharkh	0:a49e37a83a7a	1233	break;
DuaaAbusharkh	0:a49e37a83a7a	1234	}
DuaaAbusharkh	0:a49e37a83a7a	1235
DuaaAbusharkh	0:a49e37a83a7a	1236	/* end of request line */
DuaaAbusharkh	0:a49e37a83a7a	1237	case s_req_line_almost_done:
DuaaAbusharkh	0:a49e37a83a7a	1238	{
DuaaAbusharkh	0:a49e37a83a7a	1239	if (UNLIKELY(ch != LF)) {
DuaaAbusharkh	0:a49e37a83a7a	1240	SET_ERRNO(HPE_LF_EXPECTED);
DuaaAbusharkh	0:a49e37a83a7a	1241	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1242	}
DuaaAbusharkh	0:a49e37a83a7a	1243
DuaaAbusharkh	0:a49e37a83a7a	1244	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	1245	break;
DuaaAbusharkh	0:a49e37a83a7a	1246	}
DuaaAbusharkh	0:a49e37a83a7a	1247
DuaaAbusharkh	0:a49e37a83a7a	1248	case s_header_field_start:
DuaaAbusharkh	0:a49e37a83a7a	1249	{
DuaaAbusharkh	0:a49e37a83a7a	1250	if (ch == CR) {
DuaaAbusharkh	0:a49e37a83a7a	1251	UPDATE_STATE(s_headers_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	1252	break;
DuaaAbusharkh	0:a49e37a83a7a	1253	}
DuaaAbusharkh	0:a49e37a83a7a	1254
DuaaAbusharkh	0:a49e37a83a7a	1255	if (ch == LF) {
DuaaAbusharkh	0:a49e37a83a7a	1256	/* they might be just sending \n instead of \r\n so this would be
DuaaAbusharkh	0:a49e37a83a7a	1257	* the second \n to denote the end of headers*/
DuaaAbusharkh	0:a49e37a83a7a	1258	UPDATE_STATE(s_headers_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	1259	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	1260	}
DuaaAbusharkh	0:a49e37a83a7a	1261
DuaaAbusharkh	0:a49e37a83a7a	1262	c = TOKEN(ch);
DuaaAbusharkh	0:a49e37a83a7a	1263
DuaaAbusharkh	0:a49e37a83a7a	1264	if (UNLIKELY(!c)) {
DuaaAbusharkh	0:a49e37a83a7a	1265	SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
DuaaAbusharkh	0:a49e37a83a7a	1266	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1267	}
DuaaAbusharkh	0:a49e37a83a7a	1268
DuaaAbusharkh	0:a49e37a83a7a	1269	MARK(header_field);
DuaaAbusharkh	0:a49e37a83a7a	1270
DuaaAbusharkh	0:a49e37a83a7a	1271	parser->index = 0;
DuaaAbusharkh	0:a49e37a83a7a	1272	UPDATE_STATE(s_header_field);
DuaaAbusharkh	0:a49e37a83a7a	1273
DuaaAbusharkh	0:a49e37a83a7a	1274	switch (c) {
DuaaAbusharkh	0:a49e37a83a7a	1275	case 'c':
DuaaAbusharkh	0:a49e37a83a7a	1276	parser->header_state = h_C;
DuaaAbusharkh	0:a49e37a83a7a	1277	break;
DuaaAbusharkh	0:a49e37a83a7a	1278
DuaaAbusharkh	0:a49e37a83a7a	1279	case 'p':
DuaaAbusharkh	0:a49e37a83a7a	1280	parser->header_state = h_matching_proxy_connection;
DuaaAbusharkh	0:a49e37a83a7a	1281	break;
DuaaAbusharkh	0:a49e37a83a7a	1282
DuaaAbusharkh	0:a49e37a83a7a	1283	case 't':
DuaaAbusharkh	0:a49e37a83a7a	1284	parser->header_state = h_matching_transfer_encoding;
DuaaAbusharkh	0:a49e37a83a7a	1285	break;
DuaaAbusharkh	0:a49e37a83a7a	1286
DuaaAbusharkh	0:a49e37a83a7a	1287	case 'u':
DuaaAbusharkh	0:a49e37a83a7a	1288	parser->header_state = h_matching_upgrade;
DuaaAbusharkh	0:a49e37a83a7a	1289	break;
DuaaAbusharkh	0:a49e37a83a7a	1290
DuaaAbusharkh	0:a49e37a83a7a	1291	default:
DuaaAbusharkh	0:a49e37a83a7a	1292	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1293	break;
DuaaAbusharkh	0:a49e37a83a7a	1294	}
DuaaAbusharkh	0:a49e37a83a7a	1295	break;
DuaaAbusharkh	0:a49e37a83a7a	1296	}
DuaaAbusharkh	0:a49e37a83a7a	1297
DuaaAbusharkh	0:a49e37a83a7a	1298	case s_header_field:
DuaaAbusharkh	0:a49e37a83a7a	1299	{
DuaaAbusharkh	0:a49e37a83a7a	1300	const char* start = p;
DuaaAbusharkh	0:a49e37a83a7a	1301	for (; p != data + len; p++) {
DuaaAbusharkh	0:a49e37a83a7a	1302	ch = *p;
DuaaAbusharkh	0:a49e37a83a7a	1303	c = TOKEN(ch);
DuaaAbusharkh	0:a49e37a83a7a	1304
DuaaAbusharkh	0:a49e37a83a7a	1305	if (!c)
DuaaAbusharkh	0:a49e37a83a7a	1306	break;
DuaaAbusharkh	0:a49e37a83a7a	1307
DuaaAbusharkh	0:a49e37a83a7a	1308	switch (parser->header_state) {
DuaaAbusharkh	0:a49e37a83a7a	1309	case h_general:
DuaaAbusharkh	0:a49e37a83a7a	1310	break;
DuaaAbusharkh	0:a49e37a83a7a	1311
DuaaAbusharkh	0:a49e37a83a7a	1312	case h_C:
DuaaAbusharkh	0:a49e37a83a7a	1313	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1314	parser->header_state = (c == 'o' ? h_CO : h_general);
DuaaAbusharkh	0:a49e37a83a7a	1315	break;
DuaaAbusharkh	0:a49e37a83a7a	1316
DuaaAbusharkh	0:a49e37a83a7a	1317	case h_CO:
DuaaAbusharkh	0:a49e37a83a7a	1318	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1319	parser->header_state = (c == 'n' ? h_CON : h_general);
DuaaAbusharkh	0:a49e37a83a7a	1320	break;
DuaaAbusharkh	0:a49e37a83a7a	1321
DuaaAbusharkh	0:a49e37a83a7a	1322	case h_CON:
DuaaAbusharkh	0:a49e37a83a7a	1323	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1324	switch (c) {
DuaaAbusharkh	0:a49e37a83a7a	1325	case 'n':
DuaaAbusharkh	0:a49e37a83a7a	1326	parser->header_state = h_matching_connection;
DuaaAbusharkh	0:a49e37a83a7a	1327	break;
DuaaAbusharkh	0:a49e37a83a7a	1328	case 't':
DuaaAbusharkh	0:a49e37a83a7a	1329	parser->header_state = h_matching_content_length;
DuaaAbusharkh	0:a49e37a83a7a	1330	break;
DuaaAbusharkh	0:a49e37a83a7a	1331	default:
DuaaAbusharkh	0:a49e37a83a7a	1332	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1333	break;
DuaaAbusharkh	0:a49e37a83a7a	1334	}
DuaaAbusharkh	0:a49e37a83a7a	1335	break;
DuaaAbusharkh	0:a49e37a83a7a	1336
DuaaAbusharkh	0:a49e37a83a7a	1337	/* connection */
DuaaAbusharkh	0:a49e37a83a7a	1338
DuaaAbusharkh	0:a49e37a83a7a	1339	case h_matching_connection:
DuaaAbusharkh	0:a49e37a83a7a	1340	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1341	if (parser->index > sizeof(CONNECTION)-1
DuaaAbusharkh	0:a49e37a83a7a	1342	\|\| c != CONNECTION[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1343	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1344	} else if (parser->index == sizeof(CONNECTION)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1345	parser->header_state = h_connection;
DuaaAbusharkh	0:a49e37a83a7a	1346	}
DuaaAbusharkh	0:a49e37a83a7a	1347	break;
DuaaAbusharkh	0:a49e37a83a7a	1348
DuaaAbusharkh	0:a49e37a83a7a	1349	/* proxy-connection */
DuaaAbusharkh	0:a49e37a83a7a	1350
DuaaAbusharkh	0:a49e37a83a7a	1351	case h_matching_proxy_connection:
DuaaAbusharkh	0:a49e37a83a7a	1352	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1353	if (parser->index > sizeof(PROXY_CONNECTION)-1
DuaaAbusharkh	0:a49e37a83a7a	1354	\|\| c != PROXY_CONNECTION[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1355	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1356	} else if (parser->index == sizeof(PROXY_CONNECTION)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1357	parser->header_state = h_connection;
DuaaAbusharkh	0:a49e37a83a7a	1358	}
DuaaAbusharkh	0:a49e37a83a7a	1359	break;
DuaaAbusharkh	0:a49e37a83a7a	1360
DuaaAbusharkh	0:a49e37a83a7a	1361	/* content-length */
DuaaAbusharkh	0:a49e37a83a7a	1362
DuaaAbusharkh	0:a49e37a83a7a	1363	case h_matching_content_length:
DuaaAbusharkh	0:a49e37a83a7a	1364	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1365	if (parser->index > sizeof(CONTENT_LENGTH)-1
DuaaAbusharkh	0:a49e37a83a7a	1366	\|\| c != CONTENT_LENGTH[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1367	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1368	} else if (parser->index == sizeof(CONTENT_LENGTH)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1369	parser->header_state = h_content_length;
DuaaAbusharkh	0:a49e37a83a7a	1370	}
DuaaAbusharkh	0:a49e37a83a7a	1371	break;
DuaaAbusharkh	0:a49e37a83a7a	1372
DuaaAbusharkh	0:a49e37a83a7a	1373	/* transfer-encoding */
DuaaAbusharkh	0:a49e37a83a7a	1374
DuaaAbusharkh	0:a49e37a83a7a	1375	case h_matching_transfer_encoding:
DuaaAbusharkh	0:a49e37a83a7a	1376	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1377	if (parser->index > sizeof(TRANSFER_ENCODING)-1
DuaaAbusharkh	0:a49e37a83a7a	1378	\|\| c != TRANSFER_ENCODING[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1379	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1380	} else if (parser->index == sizeof(TRANSFER_ENCODING)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1381	parser->header_state = h_transfer_encoding;
DuaaAbusharkh	0:a49e37a83a7a	1382	}
DuaaAbusharkh	0:a49e37a83a7a	1383	break;
DuaaAbusharkh	0:a49e37a83a7a	1384
DuaaAbusharkh	0:a49e37a83a7a	1385	/* upgrade */
DuaaAbusharkh	0:a49e37a83a7a	1386
DuaaAbusharkh	0:a49e37a83a7a	1387	case h_matching_upgrade:
DuaaAbusharkh	0:a49e37a83a7a	1388	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1389	if (parser->index > sizeof(UPGRADE)-1
DuaaAbusharkh	0:a49e37a83a7a	1390	\|\| c != UPGRADE[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1391	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1392	} else if (parser->index == sizeof(UPGRADE)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1393	parser->header_state = h_upgrade;
DuaaAbusharkh	0:a49e37a83a7a	1394	}
DuaaAbusharkh	0:a49e37a83a7a	1395	break;
DuaaAbusharkh	0:a49e37a83a7a	1396
DuaaAbusharkh	0:a49e37a83a7a	1397	case h_connection:
DuaaAbusharkh	0:a49e37a83a7a	1398	case h_content_length:
DuaaAbusharkh	0:a49e37a83a7a	1399	case h_transfer_encoding:
DuaaAbusharkh	0:a49e37a83a7a	1400	case h_upgrade:
DuaaAbusharkh	0:a49e37a83a7a	1401	if (ch != ' ') parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1402	break;
DuaaAbusharkh	0:a49e37a83a7a	1403
DuaaAbusharkh	0:a49e37a83a7a	1404	default:
DuaaAbusharkh	0:a49e37a83a7a	1405	assert(0 && "Unknown header_state");
DuaaAbusharkh	0:a49e37a83a7a	1406	break;
DuaaAbusharkh	0:a49e37a83a7a	1407	}
DuaaAbusharkh	0:a49e37a83a7a	1408	}
DuaaAbusharkh	0:a49e37a83a7a	1409
DuaaAbusharkh	0:a49e37a83a7a	1410	COUNT_HEADER_SIZE(p - start);
DuaaAbusharkh	0:a49e37a83a7a	1411
DuaaAbusharkh	0:a49e37a83a7a	1412	if (p == data + len) {
DuaaAbusharkh	0:a49e37a83a7a	1413	--p;
DuaaAbusharkh	0:a49e37a83a7a	1414	break;
DuaaAbusharkh	0:a49e37a83a7a	1415	}
DuaaAbusharkh	0:a49e37a83a7a	1416
DuaaAbusharkh	0:a49e37a83a7a	1417	if (ch == ':') {
DuaaAbusharkh	0:a49e37a83a7a	1418	UPDATE_STATE(s_header_value_discard_ws);
DuaaAbusharkh	0:a49e37a83a7a	1419	CALLBACK_DATA(header_field);
DuaaAbusharkh	0:a49e37a83a7a	1420	break;
DuaaAbusharkh	0:a49e37a83a7a	1421	}
DuaaAbusharkh	0:a49e37a83a7a	1422
DuaaAbusharkh	0:a49e37a83a7a	1423	SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
DuaaAbusharkh	0:a49e37a83a7a	1424	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1425	}
DuaaAbusharkh	0:a49e37a83a7a	1426
DuaaAbusharkh	0:a49e37a83a7a	1427	case s_header_value_discard_ws:
DuaaAbusharkh	0:a49e37a83a7a	1428	if (ch == ' ' \|\| ch == '\t') break;
DuaaAbusharkh	0:a49e37a83a7a	1429
DuaaAbusharkh	0:a49e37a83a7a	1430	if (ch == CR) {
DuaaAbusharkh	0:a49e37a83a7a	1431	UPDATE_STATE(s_header_value_discard_ws_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	1432	break;
DuaaAbusharkh	0:a49e37a83a7a	1433	}
DuaaAbusharkh	0:a49e37a83a7a	1434
DuaaAbusharkh	0:a49e37a83a7a	1435	if (ch == LF) {
DuaaAbusharkh	0:a49e37a83a7a	1436	UPDATE_STATE(s_header_value_discard_lws);
DuaaAbusharkh	0:a49e37a83a7a	1437	break;
DuaaAbusharkh	0:a49e37a83a7a	1438	}
DuaaAbusharkh	0:a49e37a83a7a	1439
DuaaAbusharkh	0:a49e37a83a7a	1440	/* FALLTHROUGH */
DuaaAbusharkh	0:a49e37a83a7a	1441
DuaaAbusharkh	0:a49e37a83a7a	1442	case s_header_value_start:
DuaaAbusharkh	0:a49e37a83a7a	1443	{
DuaaAbusharkh	0:a49e37a83a7a	1444	MARK(header_value);
DuaaAbusharkh	0:a49e37a83a7a	1445
DuaaAbusharkh	0:a49e37a83a7a	1446	UPDATE_STATE(s_header_value);
DuaaAbusharkh	0:a49e37a83a7a	1447	parser->index = 0;
DuaaAbusharkh	0:a49e37a83a7a	1448
DuaaAbusharkh	0:a49e37a83a7a	1449	c = LOWER(ch);
DuaaAbusharkh	0:a49e37a83a7a	1450
DuaaAbusharkh	0:a49e37a83a7a	1451	switch (parser->header_state) {
DuaaAbusharkh	0:a49e37a83a7a	1452	case h_upgrade:
DuaaAbusharkh	0:a49e37a83a7a	1453	parser->flags \|= F_UPGRADE;
DuaaAbusharkh	0:a49e37a83a7a	1454	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1455	break;
DuaaAbusharkh	0:a49e37a83a7a	1456
DuaaAbusharkh	0:a49e37a83a7a	1457	case h_transfer_encoding:
DuaaAbusharkh	0:a49e37a83a7a	1458	/* looking for 'Transfer-Encoding: chunked' */
DuaaAbusharkh	0:a49e37a83a7a	1459	if ('c' == c) {
DuaaAbusharkh	0:a49e37a83a7a	1460	parser->header_state = h_matching_transfer_encoding_chunked;
DuaaAbusharkh	0:a49e37a83a7a	1461	} else {
DuaaAbusharkh	0:a49e37a83a7a	1462	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1463	}
DuaaAbusharkh	0:a49e37a83a7a	1464	break;
DuaaAbusharkh	0:a49e37a83a7a	1465
DuaaAbusharkh	0:a49e37a83a7a	1466	case h_content_length:
DuaaAbusharkh	0:a49e37a83a7a	1467	if (UNLIKELY(!IS_NUM(ch))) {
DuaaAbusharkh	0:a49e37a83a7a	1468	SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
DuaaAbusharkh	0:a49e37a83a7a	1469	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1470	}
DuaaAbusharkh	0:a49e37a83a7a	1471
DuaaAbusharkh	0:a49e37a83a7a	1472	if (parser->flags & F_CONTENTLENGTH) {
DuaaAbusharkh	0:a49e37a83a7a	1473	SET_ERRNO(HPE_UNEXPECTED_CONTENT_LENGTH);
DuaaAbusharkh	0:a49e37a83a7a	1474	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1475	}
DuaaAbusharkh	0:a49e37a83a7a	1476
DuaaAbusharkh	0:a49e37a83a7a	1477	parser->flags \|= F_CONTENTLENGTH;
DuaaAbusharkh	0:a49e37a83a7a	1478	parser->content_length = ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	1479	break;
DuaaAbusharkh	0:a49e37a83a7a	1480
DuaaAbusharkh	0:a49e37a83a7a	1481	case h_connection:
DuaaAbusharkh	0:a49e37a83a7a	1482	/* looking for 'Connection: keep-alive' */
DuaaAbusharkh	0:a49e37a83a7a	1483	if (c == 'k') {
DuaaAbusharkh	0:a49e37a83a7a	1484	parser->header_state = h_matching_connection_keep_alive;
DuaaAbusharkh	0:a49e37a83a7a	1485	/* looking for 'Connection: close' */
DuaaAbusharkh	0:a49e37a83a7a	1486	} else if (c == 'c') {
DuaaAbusharkh	0:a49e37a83a7a	1487	parser->header_state = h_matching_connection_close;
DuaaAbusharkh	0:a49e37a83a7a	1488	} else if (c == 'u') {
DuaaAbusharkh	0:a49e37a83a7a	1489	parser->header_state = h_matching_connection_upgrade;
DuaaAbusharkh	0:a49e37a83a7a	1490	} else {
DuaaAbusharkh	0:a49e37a83a7a	1491	parser->header_state = h_matching_connection_token;
DuaaAbusharkh	0:a49e37a83a7a	1492	}
DuaaAbusharkh	0:a49e37a83a7a	1493	break;
DuaaAbusharkh	0:a49e37a83a7a	1494
DuaaAbusharkh	0:a49e37a83a7a	1495	/* Multi-value `Connection` header */
DuaaAbusharkh	0:a49e37a83a7a	1496	case h_matching_connection_token_start:
DuaaAbusharkh	0:a49e37a83a7a	1497	break;
DuaaAbusharkh	0:a49e37a83a7a	1498
DuaaAbusharkh	0:a49e37a83a7a	1499	default:
DuaaAbusharkh	0:a49e37a83a7a	1500	parser->header_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1501	break;
DuaaAbusharkh	0:a49e37a83a7a	1502	}
DuaaAbusharkh	0:a49e37a83a7a	1503	break;
DuaaAbusharkh	0:a49e37a83a7a	1504	}
DuaaAbusharkh	0:a49e37a83a7a	1505
DuaaAbusharkh	0:a49e37a83a7a	1506	case s_header_value:
DuaaAbusharkh	0:a49e37a83a7a	1507	{
DuaaAbusharkh	0:a49e37a83a7a	1508	const char* start = p;
DuaaAbusharkh	0:a49e37a83a7a	1509	enum header_states h_state = (enum header_states) parser->header_state;
DuaaAbusharkh	0:a49e37a83a7a	1510	for (; p != data + len; p++) {
DuaaAbusharkh	0:a49e37a83a7a	1511	ch = *p;
DuaaAbusharkh	0:a49e37a83a7a	1512	if (ch == CR) {
DuaaAbusharkh	0:a49e37a83a7a	1513	UPDATE_STATE(s_header_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	1514	parser->header_state = h_state;
DuaaAbusharkh	0:a49e37a83a7a	1515	CALLBACK_DATA(header_value);
DuaaAbusharkh	0:a49e37a83a7a	1516	break;
DuaaAbusharkh	0:a49e37a83a7a	1517	}
DuaaAbusharkh	0:a49e37a83a7a	1518
DuaaAbusharkh	0:a49e37a83a7a	1519	if (ch == LF) {
DuaaAbusharkh	0:a49e37a83a7a	1520	UPDATE_STATE(s_header_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	1521	COUNT_HEADER_SIZE(p - start);
DuaaAbusharkh	0:a49e37a83a7a	1522	parser->header_state = h_state;
DuaaAbusharkh	0:a49e37a83a7a	1523	CALLBACK_DATA_NOADVANCE(header_value);
DuaaAbusharkh	0:a49e37a83a7a	1524	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	1525	}
DuaaAbusharkh	0:a49e37a83a7a	1526
DuaaAbusharkh	0:a49e37a83a7a	1527	if (!lenient && !IS_HEADER_CHAR(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	1528	SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
DuaaAbusharkh	0:a49e37a83a7a	1529	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1530	}
DuaaAbusharkh	0:a49e37a83a7a	1531
DuaaAbusharkh	0:a49e37a83a7a	1532	c = LOWER(ch);
DuaaAbusharkh	0:a49e37a83a7a	1533
DuaaAbusharkh	0:a49e37a83a7a	1534	switch (h_state) {
DuaaAbusharkh	0:a49e37a83a7a	1535	case h_general:
DuaaAbusharkh	0:a49e37a83a7a	1536	{
DuaaAbusharkh	0:a49e37a83a7a	1537	const char* p_cr;
DuaaAbusharkh	0:a49e37a83a7a	1538	const char* p_lf;
DuaaAbusharkh	0:a49e37a83a7a	1539	size_t limit = data + len - p;
DuaaAbusharkh	0:a49e37a83a7a	1540
DuaaAbusharkh	0:a49e37a83a7a	1541	limit = MIN(limit, HTTP_MAX_HEADER_SIZE);
DuaaAbusharkh	0:a49e37a83a7a	1542
DuaaAbusharkh	0:a49e37a83a7a	1543	p_cr = (const char*) memchr(p, CR, limit);
DuaaAbusharkh	0:a49e37a83a7a	1544	p_lf = (const char*) memchr(p, LF, limit);
DuaaAbusharkh	0:a49e37a83a7a	1545	if (p_cr != NULL) {
DuaaAbusharkh	0:a49e37a83a7a	1546	if (p_lf != NULL && p_cr >= p_lf)
DuaaAbusharkh	0:a49e37a83a7a	1547	p = p_lf;
DuaaAbusharkh	0:a49e37a83a7a	1548	else
DuaaAbusharkh	0:a49e37a83a7a	1549	p = p_cr;
DuaaAbusharkh	0:a49e37a83a7a	1550	} else if (UNLIKELY(p_lf != NULL)) {
DuaaAbusharkh	0:a49e37a83a7a	1551	p = p_lf;
DuaaAbusharkh	0:a49e37a83a7a	1552	} else {
DuaaAbusharkh	0:a49e37a83a7a	1553	p = data + len;
DuaaAbusharkh	0:a49e37a83a7a	1554	}
DuaaAbusharkh	0:a49e37a83a7a	1555	--p;
DuaaAbusharkh	0:a49e37a83a7a	1556
DuaaAbusharkh	0:a49e37a83a7a	1557	break;
DuaaAbusharkh	0:a49e37a83a7a	1558	}
DuaaAbusharkh	0:a49e37a83a7a	1559
DuaaAbusharkh	0:a49e37a83a7a	1560	case h_connection:
DuaaAbusharkh	0:a49e37a83a7a	1561	case h_transfer_encoding:
DuaaAbusharkh	0:a49e37a83a7a	1562	assert(0 && "Shouldn't get here.");
DuaaAbusharkh	0:a49e37a83a7a	1563	break;
DuaaAbusharkh	0:a49e37a83a7a	1564
DuaaAbusharkh	0:a49e37a83a7a	1565	case h_content_length:
DuaaAbusharkh	0:a49e37a83a7a	1566	{
DuaaAbusharkh	0:a49e37a83a7a	1567	uint64_t t;
DuaaAbusharkh	0:a49e37a83a7a	1568
DuaaAbusharkh	0:a49e37a83a7a	1569	if (ch == ' ') break;
DuaaAbusharkh	0:a49e37a83a7a	1570
DuaaAbusharkh	0:a49e37a83a7a	1571	if (UNLIKELY(!IS_NUM(ch))) {
DuaaAbusharkh	0:a49e37a83a7a	1572	SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
DuaaAbusharkh	0:a49e37a83a7a	1573	parser->header_state = h_state;
DuaaAbusharkh	0:a49e37a83a7a	1574	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1575	}
DuaaAbusharkh	0:a49e37a83a7a	1576
DuaaAbusharkh	0:a49e37a83a7a	1577	t = parser->content_length;
DuaaAbusharkh	0:a49e37a83a7a	1578	t *= 10;
DuaaAbusharkh	0:a49e37a83a7a	1579	t += ch - '0';
DuaaAbusharkh	0:a49e37a83a7a	1580
DuaaAbusharkh	0:a49e37a83a7a	1581	/* Overflow? Test against a conservative limit for simplicity. */
DuaaAbusharkh	0:a49e37a83a7a	1582	if (UNLIKELY((ULLONG_MAX - 10) / 10 < parser->content_length)) {
DuaaAbusharkh	0:a49e37a83a7a	1583	SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
DuaaAbusharkh	0:a49e37a83a7a	1584	parser->header_state = h_state;
DuaaAbusharkh	0:a49e37a83a7a	1585	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1586	}
DuaaAbusharkh	0:a49e37a83a7a	1587
DuaaAbusharkh	0:a49e37a83a7a	1588	parser->content_length = t;
DuaaAbusharkh	0:a49e37a83a7a	1589	break;
DuaaAbusharkh	0:a49e37a83a7a	1590	}
DuaaAbusharkh	0:a49e37a83a7a	1591
DuaaAbusharkh	0:a49e37a83a7a	1592	/* Transfer-Encoding: chunked */
DuaaAbusharkh	0:a49e37a83a7a	1593	case h_matching_transfer_encoding_chunked:
DuaaAbusharkh	0:a49e37a83a7a	1594	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1595	if (parser->index > sizeof(CHUNKED)-1
DuaaAbusharkh	0:a49e37a83a7a	1596	\|\| c != CHUNKED[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1597	h_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1598	} else if (parser->index == sizeof(CHUNKED)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1599	h_state = h_transfer_encoding_chunked;
DuaaAbusharkh	0:a49e37a83a7a	1600	}
DuaaAbusharkh	0:a49e37a83a7a	1601	break;
DuaaAbusharkh	0:a49e37a83a7a	1602
DuaaAbusharkh	0:a49e37a83a7a	1603	case h_matching_connection_token_start:
DuaaAbusharkh	0:a49e37a83a7a	1604	/* looking for 'Connection: keep-alive' */
DuaaAbusharkh	0:a49e37a83a7a	1605	if (c == 'k') {
DuaaAbusharkh	0:a49e37a83a7a	1606	h_state = h_matching_connection_keep_alive;
DuaaAbusharkh	0:a49e37a83a7a	1607	/* looking for 'Connection: close' */
DuaaAbusharkh	0:a49e37a83a7a	1608	} else if (c == 'c') {
DuaaAbusharkh	0:a49e37a83a7a	1609	h_state = h_matching_connection_close;
DuaaAbusharkh	0:a49e37a83a7a	1610	} else if (c == 'u') {
DuaaAbusharkh	0:a49e37a83a7a	1611	h_state = h_matching_connection_upgrade;
DuaaAbusharkh	0:a49e37a83a7a	1612	} else if (STRICT_TOKEN(c)) {
DuaaAbusharkh	0:a49e37a83a7a	1613	h_state = h_matching_connection_token;
DuaaAbusharkh	0:a49e37a83a7a	1614	} else if (c == ' ' \|\| c == '\t') {
DuaaAbusharkh	0:a49e37a83a7a	1615	/* Skip lws */
DuaaAbusharkh	0:a49e37a83a7a	1616	} else {
DuaaAbusharkh	0:a49e37a83a7a	1617	h_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1618	}
DuaaAbusharkh	0:a49e37a83a7a	1619	break;
DuaaAbusharkh	0:a49e37a83a7a	1620
DuaaAbusharkh	0:a49e37a83a7a	1621	/* looking for 'Connection: keep-alive' */
DuaaAbusharkh	0:a49e37a83a7a	1622	case h_matching_connection_keep_alive:
DuaaAbusharkh	0:a49e37a83a7a	1623	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1624	if (parser->index > sizeof(KEEP_ALIVE)-1
DuaaAbusharkh	0:a49e37a83a7a	1625	\|\| c != KEEP_ALIVE[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1626	h_state = h_matching_connection_token;
DuaaAbusharkh	0:a49e37a83a7a	1627	} else if (parser->index == sizeof(KEEP_ALIVE)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1628	h_state = h_connection_keep_alive;
DuaaAbusharkh	0:a49e37a83a7a	1629	}
DuaaAbusharkh	0:a49e37a83a7a	1630	break;
DuaaAbusharkh	0:a49e37a83a7a	1631
DuaaAbusharkh	0:a49e37a83a7a	1632	/* looking for 'Connection: close' */
DuaaAbusharkh	0:a49e37a83a7a	1633	case h_matching_connection_close:
DuaaAbusharkh	0:a49e37a83a7a	1634	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1635	if (parser->index > sizeof(CLOSE)-1 \|\| c != CLOSE[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1636	h_state = h_matching_connection_token;
DuaaAbusharkh	0:a49e37a83a7a	1637	} else if (parser->index == sizeof(CLOSE)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1638	h_state = h_connection_close;
DuaaAbusharkh	0:a49e37a83a7a	1639	}
DuaaAbusharkh	0:a49e37a83a7a	1640	break;
DuaaAbusharkh	0:a49e37a83a7a	1641
DuaaAbusharkh	0:a49e37a83a7a	1642	/* looking for 'Connection: upgrade' */
DuaaAbusharkh	0:a49e37a83a7a	1643	case h_matching_connection_upgrade:
DuaaAbusharkh	0:a49e37a83a7a	1644	parser->index++;
DuaaAbusharkh	0:a49e37a83a7a	1645	if (parser->index > sizeof(UPGRADE) - 1 \|\|
DuaaAbusharkh	0:a49e37a83a7a	1646	c != UPGRADE[parser->index]) {
DuaaAbusharkh	0:a49e37a83a7a	1647	h_state = h_matching_connection_token;
DuaaAbusharkh	0:a49e37a83a7a	1648	} else if (parser->index == sizeof(UPGRADE)-2) {
DuaaAbusharkh	0:a49e37a83a7a	1649	h_state = h_connection_upgrade;
DuaaAbusharkh	0:a49e37a83a7a	1650	}
DuaaAbusharkh	0:a49e37a83a7a	1651	break;
DuaaAbusharkh	0:a49e37a83a7a	1652
DuaaAbusharkh	0:a49e37a83a7a	1653	case h_matching_connection_token:
DuaaAbusharkh	0:a49e37a83a7a	1654	if (ch == ',') {
DuaaAbusharkh	0:a49e37a83a7a	1655	h_state = h_matching_connection_token_start;
DuaaAbusharkh	0:a49e37a83a7a	1656	parser->index = 0;
DuaaAbusharkh	0:a49e37a83a7a	1657	}
DuaaAbusharkh	0:a49e37a83a7a	1658	break;
DuaaAbusharkh	0:a49e37a83a7a	1659
DuaaAbusharkh	0:a49e37a83a7a	1660	case h_transfer_encoding_chunked:
DuaaAbusharkh	0:a49e37a83a7a	1661	if (ch != ' ') h_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1662	break;
DuaaAbusharkh	0:a49e37a83a7a	1663
DuaaAbusharkh	0:a49e37a83a7a	1664	case h_connection_keep_alive:
DuaaAbusharkh	0:a49e37a83a7a	1665	case h_connection_close:
DuaaAbusharkh	0:a49e37a83a7a	1666	case h_connection_upgrade:
DuaaAbusharkh	0:a49e37a83a7a	1667	if (ch == ',') {
DuaaAbusharkh	0:a49e37a83a7a	1668	if (h_state == h_connection_keep_alive) {
DuaaAbusharkh	0:a49e37a83a7a	1669	parser->flags \|= F_CONNECTION_KEEP_ALIVE;
DuaaAbusharkh	0:a49e37a83a7a	1670	} else if (h_state == h_connection_close) {
DuaaAbusharkh	0:a49e37a83a7a	1671	parser->flags \|= F_CONNECTION_CLOSE;
DuaaAbusharkh	0:a49e37a83a7a	1672	} else if (h_state == h_connection_upgrade) {
DuaaAbusharkh	0:a49e37a83a7a	1673	parser->flags \|= F_CONNECTION_UPGRADE;
DuaaAbusharkh	0:a49e37a83a7a	1674	}
DuaaAbusharkh	0:a49e37a83a7a	1675	h_state = h_matching_connection_token_start;
DuaaAbusharkh	0:a49e37a83a7a	1676	parser->index = 0;
DuaaAbusharkh	0:a49e37a83a7a	1677	} else if (ch != ' ') {
DuaaAbusharkh	0:a49e37a83a7a	1678	h_state = h_matching_connection_token;
DuaaAbusharkh	0:a49e37a83a7a	1679	}
DuaaAbusharkh	0:a49e37a83a7a	1680	break;
DuaaAbusharkh	0:a49e37a83a7a	1681
DuaaAbusharkh	0:a49e37a83a7a	1682	default:
DuaaAbusharkh	0:a49e37a83a7a	1683	UPDATE_STATE(s_header_value);
DuaaAbusharkh	0:a49e37a83a7a	1684	h_state = h_general;
DuaaAbusharkh	0:a49e37a83a7a	1685	break;
DuaaAbusharkh	0:a49e37a83a7a	1686	}
DuaaAbusharkh	0:a49e37a83a7a	1687	}
DuaaAbusharkh	0:a49e37a83a7a	1688	parser->header_state = h_state;
DuaaAbusharkh	0:a49e37a83a7a	1689
DuaaAbusharkh	0:a49e37a83a7a	1690	COUNT_HEADER_SIZE(p - start);
DuaaAbusharkh	0:a49e37a83a7a	1691
DuaaAbusharkh	0:a49e37a83a7a	1692	if (p == data + len)
DuaaAbusharkh	0:a49e37a83a7a	1693	--p;
DuaaAbusharkh	0:a49e37a83a7a	1694	break;
DuaaAbusharkh	0:a49e37a83a7a	1695	}
DuaaAbusharkh	0:a49e37a83a7a	1696
DuaaAbusharkh	0:a49e37a83a7a	1697	case s_header_almost_done:
DuaaAbusharkh	0:a49e37a83a7a	1698	{
DuaaAbusharkh	0:a49e37a83a7a	1699	if (UNLIKELY(ch != LF)) {
DuaaAbusharkh	0:a49e37a83a7a	1700	SET_ERRNO(HPE_LF_EXPECTED);
DuaaAbusharkh	0:a49e37a83a7a	1701	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1702	}
DuaaAbusharkh	0:a49e37a83a7a	1703
DuaaAbusharkh	0:a49e37a83a7a	1704	UPDATE_STATE(s_header_value_lws);
DuaaAbusharkh	0:a49e37a83a7a	1705	break;
DuaaAbusharkh	0:a49e37a83a7a	1706	}
DuaaAbusharkh	0:a49e37a83a7a	1707
DuaaAbusharkh	0:a49e37a83a7a	1708	case s_header_value_lws:
DuaaAbusharkh	0:a49e37a83a7a	1709	{
DuaaAbusharkh	0:a49e37a83a7a	1710	if (ch == ' ' \|\| ch == '\t') {
DuaaAbusharkh	0:a49e37a83a7a	1711	UPDATE_STATE(s_header_value_start);
DuaaAbusharkh	0:a49e37a83a7a	1712	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	1713	}
DuaaAbusharkh	0:a49e37a83a7a	1714
DuaaAbusharkh	0:a49e37a83a7a	1715	/* finished the header */
DuaaAbusharkh	0:a49e37a83a7a	1716	switch (parser->header_state) {
DuaaAbusharkh	0:a49e37a83a7a	1717	case h_connection_keep_alive:
DuaaAbusharkh	0:a49e37a83a7a	1718	parser->flags \|= F_CONNECTION_KEEP_ALIVE;
DuaaAbusharkh	0:a49e37a83a7a	1719	break;
DuaaAbusharkh	0:a49e37a83a7a	1720	case h_connection_close:
DuaaAbusharkh	0:a49e37a83a7a	1721	parser->flags \|= F_CONNECTION_CLOSE;
DuaaAbusharkh	0:a49e37a83a7a	1722	break;
DuaaAbusharkh	0:a49e37a83a7a	1723	case h_transfer_encoding_chunked:
DuaaAbusharkh	0:a49e37a83a7a	1724	parser->flags \|= F_CHUNKED;
DuaaAbusharkh	0:a49e37a83a7a	1725	break;
DuaaAbusharkh	0:a49e37a83a7a	1726	case h_connection_upgrade:
DuaaAbusharkh	0:a49e37a83a7a	1727	parser->flags \|= F_CONNECTION_UPGRADE;
DuaaAbusharkh	0:a49e37a83a7a	1728	break;
DuaaAbusharkh	0:a49e37a83a7a	1729	default:
DuaaAbusharkh	0:a49e37a83a7a	1730	break;
DuaaAbusharkh	0:a49e37a83a7a	1731	}
DuaaAbusharkh	0:a49e37a83a7a	1732
DuaaAbusharkh	0:a49e37a83a7a	1733	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	1734	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	1735	}
DuaaAbusharkh	0:a49e37a83a7a	1736
DuaaAbusharkh	0:a49e37a83a7a	1737	case s_header_value_discard_ws_almost_done:
DuaaAbusharkh	0:a49e37a83a7a	1738	{
DuaaAbusharkh	0:a49e37a83a7a	1739	STRICT_CHECK(ch != LF);
DuaaAbusharkh	0:a49e37a83a7a	1740	UPDATE_STATE(s_header_value_discard_lws);
DuaaAbusharkh	0:a49e37a83a7a	1741	break;
DuaaAbusharkh	0:a49e37a83a7a	1742	}
DuaaAbusharkh	0:a49e37a83a7a	1743
DuaaAbusharkh	0:a49e37a83a7a	1744	case s_header_value_discard_lws:
DuaaAbusharkh	0:a49e37a83a7a	1745	{
DuaaAbusharkh	0:a49e37a83a7a	1746	if (ch == ' ' \|\| ch == '\t') {
DuaaAbusharkh	0:a49e37a83a7a	1747	UPDATE_STATE(s_header_value_discard_ws);
DuaaAbusharkh	0:a49e37a83a7a	1748	break;
DuaaAbusharkh	0:a49e37a83a7a	1749	} else {
DuaaAbusharkh	0:a49e37a83a7a	1750	switch (parser->header_state) {
DuaaAbusharkh	0:a49e37a83a7a	1751	case h_connection_keep_alive:
DuaaAbusharkh	0:a49e37a83a7a	1752	parser->flags \|= F_CONNECTION_KEEP_ALIVE;
DuaaAbusharkh	0:a49e37a83a7a	1753	break;
DuaaAbusharkh	0:a49e37a83a7a	1754	case h_connection_close:
DuaaAbusharkh	0:a49e37a83a7a	1755	parser->flags \|= F_CONNECTION_CLOSE;
DuaaAbusharkh	0:a49e37a83a7a	1756	break;
DuaaAbusharkh	0:a49e37a83a7a	1757	case h_connection_upgrade:
DuaaAbusharkh	0:a49e37a83a7a	1758	parser->flags \|= F_CONNECTION_UPGRADE;
DuaaAbusharkh	0:a49e37a83a7a	1759	break;
DuaaAbusharkh	0:a49e37a83a7a	1760	case h_transfer_encoding_chunked:
DuaaAbusharkh	0:a49e37a83a7a	1761	parser->flags \|= F_CHUNKED;
DuaaAbusharkh	0:a49e37a83a7a	1762	break;
DuaaAbusharkh	0:a49e37a83a7a	1763	default:
DuaaAbusharkh	0:a49e37a83a7a	1764	break;
DuaaAbusharkh	0:a49e37a83a7a	1765	}
DuaaAbusharkh	0:a49e37a83a7a	1766
DuaaAbusharkh	0:a49e37a83a7a	1767	/* header value was empty */
DuaaAbusharkh	0:a49e37a83a7a	1768	MARK(header_value);
DuaaAbusharkh	0:a49e37a83a7a	1769	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	1770	CALLBACK_DATA_NOADVANCE(header_value);
DuaaAbusharkh	0:a49e37a83a7a	1771	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	1772	}
DuaaAbusharkh	0:a49e37a83a7a	1773	}
DuaaAbusharkh	0:a49e37a83a7a	1774
DuaaAbusharkh	0:a49e37a83a7a	1775	case s_headers_almost_done:
DuaaAbusharkh	0:a49e37a83a7a	1776	{
DuaaAbusharkh	0:a49e37a83a7a	1777	STRICT_CHECK(ch != LF);
DuaaAbusharkh	0:a49e37a83a7a	1778
DuaaAbusharkh	0:a49e37a83a7a	1779	if (parser->flags & F_TRAILING) {
DuaaAbusharkh	0:a49e37a83a7a	1780	/* End of a chunked request */
DuaaAbusharkh	0:a49e37a83a7a	1781	UPDATE_STATE(s_message_done);
DuaaAbusharkh	0:a49e37a83a7a	1782	CALLBACK_NOTIFY_NOADVANCE(chunk_complete);
DuaaAbusharkh	0:a49e37a83a7a	1783	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	1784	}
DuaaAbusharkh	0:a49e37a83a7a	1785
DuaaAbusharkh	0:a49e37a83a7a	1786	/* Cannot use chunked encoding and a content-length header together
DuaaAbusharkh	0:a49e37a83a7a	1787	per the HTTP specification. */
DuaaAbusharkh	0:a49e37a83a7a	1788	if ((parser->flags & F_CHUNKED) &&
DuaaAbusharkh	0:a49e37a83a7a	1789	(parser->flags & F_CONTENTLENGTH)) {
DuaaAbusharkh	0:a49e37a83a7a	1790	SET_ERRNO(HPE_UNEXPECTED_CONTENT_LENGTH);
DuaaAbusharkh	0:a49e37a83a7a	1791	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1792	}
DuaaAbusharkh	0:a49e37a83a7a	1793
DuaaAbusharkh	0:a49e37a83a7a	1794	UPDATE_STATE(s_headers_done);
DuaaAbusharkh	0:a49e37a83a7a	1795
DuaaAbusharkh	0:a49e37a83a7a	1796	/* Set this here so that on_headers_complete() callbacks can see it */
DuaaAbusharkh	0:a49e37a83a7a	1797	parser->upgrade =
DuaaAbusharkh	0:a49e37a83a7a	1798	((parser->flags & (F_UPGRADE \| F_CONNECTION_UPGRADE)) ==
DuaaAbusharkh	0:a49e37a83a7a	1799	(F_UPGRADE \| F_CONNECTION_UPGRADE) \|\|
DuaaAbusharkh	0:a49e37a83a7a	1800	parser->method == HTTP_CONNECT);
DuaaAbusharkh	0:a49e37a83a7a	1801
DuaaAbusharkh	0:a49e37a83a7a	1802	/* Here we call the headers_complete callback. This is somewhat
DuaaAbusharkh	0:a49e37a83a7a	1803	* different than other callbacks because if the user returns 1, we
DuaaAbusharkh	0:a49e37a83a7a	1804	* will interpret that as saying that this message has no body. This
DuaaAbusharkh	0:a49e37a83a7a	1805	* is needed for the annoying case of recieving a response to a HEAD
DuaaAbusharkh	0:a49e37a83a7a	1806	* request.
DuaaAbusharkh	0:a49e37a83a7a	1807	*
DuaaAbusharkh	0:a49e37a83a7a	1808	* We'd like to use CALLBACK_NOTIFY_NOADVANCE() here but we cannot, so
DuaaAbusharkh	0:a49e37a83a7a	1809	* we have to simulate it by handling a change in errno below.
DuaaAbusharkh	0:a49e37a83a7a	1810	*/
DuaaAbusharkh	0:a49e37a83a7a	1811	if (settings->on_headers_complete) {
DuaaAbusharkh	0:a49e37a83a7a	1812	switch (settings->on_headers_complete(parser)) {
DuaaAbusharkh	0:a49e37a83a7a	1813	case 0:
DuaaAbusharkh	0:a49e37a83a7a	1814	break;
DuaaAbusharkh	0:a49e37a83a7a	1815
DuaaAbusharkh	0:a49e37a83a7a	1816	case 2:
DuaaAbusharkh	0:a49e37a83a7a	1817	parser->upgrade = 1;
DuaaAbusharkh	0:a49e37a83a7a	1818
DuaaAbusharkh	0:a49e37a83a7a	1819	case 1:
DuaaAbusharkh	0:a49e37a83a7a	1820	parser->flags \|= F_SKIPBODY;
DuaaAbusharkh	0:a49e37a83a7a	1821	break;
DuaaAbusharkh	0:a49e37a83a7a	1822
DuaaAbusharkh	0:a49e37a83a7a	1823	default:
DuaaAbusharkh	0:a49e37a83a7a	1824	SET_ERRNO(HPE_CB_headers_complete);
DuaaAbusharkh	0:a49e37a83a7a	1825	RETURN(p - data); /* Error */
DuaaAbusharkh	0:a49e37a83a7a	1826	}
DuaaAbusharkh	0:a49e37a83a7a	1827	}
DuaaAbusharkh	0:a49e37a83a7a	1828
DuaaAbusharkh	0:a49e37a83a7a	1829	if (HTTP_PARSER_ERRNO(parser) != HPE_OK) {
DuaaAbusharkh	0:a49e37a83a7a	1830	RETURN(p - data);
DuaaAbusharkh	0:a49e37a83a7a	1831	}
DuaaAbusharkh	0:a49e37a83a7a	1832
DuaaAbusharkh	0:a49e37a83a7a	1833	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	1834	}
DuaaAbusharkh	0:a49e37a83a7a	1835
DuaaAbusharkh	0:a49e37a83a7a	1836	case s_headers_done:
DuaaAbusharkh	0:a49e37a83a7a	1837	{
DuaaAbusharkh	0:a49e37a83a7a	1838	int hasBody;
DuaaAbusharkh	0:a49e37a83a7a	1839	STRICT_CHECK(ch != LF);
DuaaAbusharkh	0:a49e37a83a7a	1840
DuaaAbusharkh	0:a49e37a83a7a	1841	parser->nread = 0;
DuaaAbusharkh	0:a49e37a83a7a	1842
DuaaAbusharkh	0:a49e37a83a7a	1843	hasBody = parser->flags & F_CHUNKED \|\|
DuaaAbusharkh	0:a49e37a83a7a	1844	(parser->content_length > 0 && parser->content_length != ULLONG_MAX);
DuaaAbusharkh	0:a49e37a83a7a	1845	if (parser->upgrade && (parser->method == HTTP_CONNECT \|\|
DuaaAbusharkh	0:a49e37a83a7a	1846	(parser->flags & F_SKIPBODY) \|\| !hasBody)) {
DuaaAbusharkh	0:a49e37a83a7a	1847	/* Exit, the rest of the message is in a different protocol. */
DuaaAbusharkh	0:a49e37a83a7a	1848	UPDATE_STATE(NEW_MESSAGE());
DuaaAbusharkh	0:a49e37a83a7a	1849	CALLBACK_NOTIFY(message_complete);
DuaaAbusharkh	0:a49e37a83a7a	1850	RETURN((p - data) + 1);
DuaaAbusharkh	0:a49e37a83a7a	1851	}
DuaaAbusharkh	0:a49e37a83a7a	1852
DuaaAbusharkh	0:a49e37a83a7a	1853	if (parser->flags & F_SKIPBODY) {
DuaaAbusharkh	0:a49e37a83a7a	1854	UPDATE_STATE(NEW_MESSAGE());
DuaaAbusharkh	0:a49e37a83a7a	1855	CALLBACK_NOTIFY(message_complete);
DuaaAbusharkh	0:a49e37a83a7a	1856	} else if (parser->flags & F_CHUNKED) {
DuaaAbusharkh	0:a49e37a83a7a	1857	/* chunked encoding - ignore Content-Length header */
DuaaAbusharkh	0:a49e37a83a7a	1858	UPDATE_STATE(s_chunk_size_start);
DuaaAbusharkh	0:a49e37a83a7a	1859	} else {
DuaaAbusharkh	0:a49e37a83a7a	1860	if (parser->content_length == 0) {
DuaaAbusharkh	0:a49e37a83a7a	1861	/* Content-Length header given but zero: Content-Length: 0\r\n */
DuaaAbusharkh	0:a49e37a83a7a	1862	UPDATE_STATE(NEW_MESSAGE());
DuaaAbusharkh	0:a49e37a83a7a	1863	CALLBACK_NOTIFY(message_complete);
DuaaAbusharkh	0:a49e37a83a7a	1864	} else if (parser->content_length != ULLONG_MAX) {
DuaaAbusharkh	0:a49e37a83a7a	1865	/* Content-Length header given and non-zero */
DuaaAbusharkh	0:a49e37a83a7a	1866	UPDATE_STATE(s_body_identity);
DuaaAbusharkh	0:a49e37a83a7a	1867	} else {
DuaaAbusharkh	0:a49e37a83a7a	1868	if (!http_message_needs_eof(parser)) {
DuaaAbusharkh	0:a49e37a83a7a	1869	/* Assume content-length 0 - read the next */
DuaaAbusharkh	0:a49e37a83a7a	1870	UPDATE_STATE(NEW_MESSAGE());
DuaaAbusharkh	0:a49e37a83a7a	1871	CALLBACK_NOTIFY(message_complete);
DuaaAbusharkh	0:a49e37a83a7a	1872	} else {
DuaaAbusharkh	0:a49e37a83a7a	1873	/* Read body until EOF */
DuaaAbusharkh	0:a49e37a83a7a	1874	UPDATE_STATE(s_body_identity_eof);
DuaaAbusharkh	0:a49e37a83a7a	1875	}
DuaaAbusharkh	0:a49e37a83a7a	1876	}
DuaaAbusharkh	0:a49e37a83a7a	1877	}
DuaaAbusharkh	0:a49e37a83a7a	1878
DuaaAbusharkh	0:a49e37a83a7a	1879	break;
DuaaAbusharkh	0:a49e37a83a7a	1880	}
DuaaAbusharkh	0:a49e37a83a7a	1881
DuaaAbusharkh	0:a49e37a83a7a	1882	case s_body_identity:
DuaaAbusharkh	0:a49e37a83a7a	1883	{
DuaaAbusharkh	0:a49e37a83a7a	1884	uint64_t to_read = MIN(parser->content_length,
DuaaAbusharkh	0:a49e37a83a7a	1885	(uint64_t) ((data + len) - p));
DuaaAbusharkh	0:a49e37a83a7a	1886
DuaaAbusharkh	0:a49e37a83a7a	1887	assert(parser->content_length != 0
DuaaAbusharkh	0:a49e37a83a7a	1888	&& parser->content_length != ULLONG_MAX);
DuaaAbusharkh	0:a49e37a83a7a	1889
DuaaAbusharkh	0:a49e37a83a7a	1890	/* The difference between advancing content_length and p is because
DuaaAbusharkh	0:a49e37a83a7a	1891	* the latter will automaticaly advance on the next loop iteration.
DuaaAbusharkh	0:a49e37a83a7a	1892	* Further, if content_length ends up at 0, we want to see the last
DuaaAbusharkh	0:a49e37a83a7a	1893	* byte again for our message complete callback.
DuaaAbusharkh	0:a49e37a83a7a	1894	*/
DuaaAbusharkh	0:a49e37a83a7a	1895	MARK(body);
DuaaAbusharkh	0:a49e37a83a7a	1896	parser->content_length -= to_read;
DuaaAbusharkh	0:a49e37a83a7a	1897	p += to_read - 1;
DuaaAbusharkh	0:a49e37a83a7a	1898
DuaaAbusharkh	0:a49e37a83a7a	1899	if (parser->content_length == 0) {
DuaaAbusharkh	0:a49e37a83a7a	1900	UPDATE_STATE(s_message_done);
DuaaAbusharkh	0:a49e37a83a7a	1901
DuaaAbusharkh	0:a49e37a83a7a	1902	/* Mimic CALLBACK_DATA_NOADVANCE() but with one extra byte.
DuaaAbusharkh	0:a49e37a83a7a	1903	*
DuaaAbusharkh	0:a49e37a83a7a	1904	* The alternative to doing this is to wait for the next byte to
DuaaAbusharkh	0:a49e37a83a7a	1905	* trigger the data callback, just as in every other case. The
DuaaAbusharkh	0:a49e37a83a7a	1906	* problem with this is that this makes it difficult for the test
DuaaAbusharkh	0:a49e37a83a7a	1907	* harness to distinguish between complete-on-EOF and
DuaaAbusharkh	0:a49e37a83a7a	1908	* complete-on-length. It's not clear that this distinction is
DuaaAbusharkh	0:a49e37a83a7a	1909	* important for applications, but let's keep it for now.
DuaaAbusharkh	0:a49e37a83a7a	1910	*/
DuaaAbusharkh	0:a49e37a83a7a	1911	CALLBACK_DATA_(body, p - body_mark + 1, p - data);
DuaaAbusharkh	0:a49e37a83a7a	1912	REEXECUTE();
DuaaAbusharkh	0:a49e37a83a7a	1913	}
DuaaAbusharkh	0:a49e37a83a7a	1914
DuaaAbusharkh	0:a49e37a83a7a	1915	break;
DuaaAbusharkh	0:a49e37a83a7a	1916	}
DuaaAbusharkh	0:a49e37a83a7a	1917
DuaaAbusharkh	0:a49e37a83a7a	1918	/* read until EOF */
DuaaAbusharkh	0:a49e37a83a7a	1919	case s_body_identity_eof:
DuaaAbusharkh	0:a49e37a83a7a	1920	MARK(body);
DuaaAbusharkh	0:a49e37a83a7a	1921	p = data + len - 1;
DuaaAbusharkh	0:a49e37a83a7a	1922
DuaaAbusharkh	0:a49e37a83a7a	1923	break;
DuaaAbusharkh	0:a49e37a83a7a	1924
DuaaAbusharkh	0:a49e37a83a7a	1925	case s_message_done:
DuaaAbusharkh	0:a49e37a83a7a	1926	UPDATE_STATE(NEW_MESSAGE());
DuaaAbusharkh	0:a49e37a83a7a	1927	CALLBACK_NOTIFY(message_complete);
DuaaAbusharkh	0:a49e37a83a7a	1928	if (parser->upgrade) {
DuaaAbusharkh	0:a49e37a83a7a	1929	/* Exit, the rest of the message is in a different protocol. */
DuaaAbusharkh	0:a49e37a83a7a	1930	RETURN((p - data) + 1);
DuaaAbusharkh	0:a49e37a83a7a	1931	}
DuaaAbusharkh	0:a49e37a83a7a	1932	break;
DuaaAbusharkh	0:a49e37a83a7a	1933
DuaaAbusharkh	0:a49e37a83a7a	1934	case s_chunk_size_start:
DuaaAbusharkh	0:a49e37a83a7a	1935	{
DuaaAbusharkh	0:a49e37a83a7a	1936	assert(parser->nread == 1);
DuaaAbusharkh	0:a49e37a83a7a	1937	assert(parser->flags & F_CHUNKED);
DuaaAbusharkh	0:a49e37a83a7a	1938
DuaaAbusharkh	0:a49e37a83a7a	1939	unhex_val = unhex[(unsigned char)ch];
DuaaAbusharkh	0:a49e37a83a7a	1940	if (UNLIKELY(unhex_val == -1)) {
DuaaAbusharkh	0:a49e37a83a7a	1941	SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
DuaaAbusharkh	0:a49e37a83a7a	1942	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1943	}
DuaaAbusharkh	0:a49e37a83a7a	1944
DuaaAbusharkh	0:a49e37a83a7a	1945	parser->content_length = unhex_val;
DuaaAbusharkh	0:a49e37a83a7a	1946	UPDATE_STATE(s_chunk_size);
DuaaAbusharkh	0:a49e37a83a7a	1947	break;
DuaaAbusharkh	0:a49e37a83a7a	1948	}
DuaaAbusharkh	0:a49e37a83a7a	1949
DuaaAbusharkh	0:a49e37a83a7a	1950	case s_chunk_size:
DuaaAbusharkh	0:a49e37a83a7a	1951	{
DuaaAbusharkh	0:a49e37a83a7a	1952	uint64_t t;
DuaaAbusharkh	0:a49e37a83a7a	1953
DuaaAbusharkh	0:a49e37a83a7a	1954	assert(parser->flags & F_CHUNKED);
DuaaAbusharkh	0:a49e37a83a7a	1955
DuaaAbusharkh	0:a49e37a83a7a	1956	if (ch == CR) {
DuaaAbusharkh	0:a49e37a83a7a	1957	UPDATE_STATE(s_chunk_size_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	1958	break;
DuaaAbusharkh	0:a49e37a83a7a	1959	}
DuaaAbusharkh	0:a49e37a83a7a	1960
DuaaAbusharkh	0:a49e37a83a7a	1961	unhex_val = unhex[(unsigned char)ch];
DuaaAbusharkh	0:a49e37a83a7a	1962
DuaaAbusharkh	0:a49e37a83a7a	1963	if (unhex_val == -1) {
DuaaAbusharkh	0:a49e37a83a7a	1964	if (ch == ';' \|\| ch == ' ') {
DuaaAbusharkh	0:a49e37a83a7a	1965	UPDATE_STATE(s_chunk_parameters);
DuaaAbusharkh	0:a49e37a83a7a	1966	break;
DuaaAbusharkh	0:a49e37a83a7a	1967	}
DuaaAbusharkh	0:a49e37a83a7a	1968
DuaaAbusharkh	0:a49e37a83a7a	1969	SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
DuaaAbusharkh	0:a49e37a83a7a	1970	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1971	}
DuaaAbusharkh	0:a49e37a83a7a	1972
DuaaAbusharkh	0:a49e37a83a7a	1973	t = parser->content_length;
DuaaAbusharkh	0:a49e37a83a7a	1974	t *= 16;
DuaaAbusharkh	0:a49e37a83a7a	1975	t += unhex_val;
DuaaAbusharkh	0:a49e37a83a7a	1976
DuaaAbusharkh	0:a49e37a83a7a	1977	/* Overflow? Test against a conservative limit for simplicity. */
DuaaAbusharkh	0:a49e37a83a7a	1978	if (UNLIKELY((ULLONG_MAX - 16) / 16 < parser->content_length)) {
DuaaAbusharkh	0:a49e37a83a7a	1979	SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
DuaaAbusharkh	0:a49e37a83a7a	1980	goto error;
DuaaAbusharkh	0:a49e37a83a7a	1981	}
DuaaAbusharkh	0:a49e37a83a7a	1982
DuaaAbusharkh	0:a49e37a83a7a	1983	parser->content_length = t;
DuaaAbusharkh	0:a49e37a83a7a	1984	break;
DuaaAbusharkh	0:a49e37a83a7a	1985	}
DuaaAbusharkh	0:a49e37a83a7a	1986
DuaaAbusharkh	0:a49e37a83a7a	1987	case s_chunk_parameters:
DuaaAbusharkh	0:a49e37a83a7a	1988	{
DuaaAbusharkh	0:a49e37a83a7a	1989	assert(parser->flags & F_CHUNKED);
DuaaAbusharkh	0:a49e37a83a7a	1990	/* just ignore this shit. TODO check for overflow */
DuaaAbusharkh	0:a49e37a83a7a	1991	if (ch == CR) {
DuaaAbusharkh	0:a49e37a83a7a	1992	UPDATE_STATE(s_chunk_size_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	1993	break;
DuaaAbusharkh	0:a49e37a83a7a	1994	}
DuaaAbusharkh	0:a49e37a83a7a	1995	break;
DuaaAbusharkh	0:a49e37a83a7a	1996	}
DuaaAbusharkh	0:a49e37a83a7a	1997
DuaaAbusharkh	0:a49e37a83a7a	1998	case s_chunk_size_almost_done:
DuaaAbusharkh	0:a49e37a83a7a	1999	{
DuaaAbusharkh	0:a49e37a83a7a	2000	assert(parser->flags & F_CHUNKED);
DuaaAbusharkh	0:a49e37a83a7a	2001	STRICT_CHECK(ch != LF);
DuaaAbusharkh	0:a49e37a83a7a	2002
DuaaAbusharkh	0:a49e37a83a7a	2003	parser->nread = 0;
DuaaAbusharkh	0:a49e37a83a7a	2004
DuaaAbusharkh	0:a49e37a83a7a	2005	if (parser->content_length == 0) {
DuaaAbusharkh	0:a49e37a83a7a	2006	parser->flags \|= F_TRAILING;
DuaaAbusharkh	0:a49e37a83a7a	2007	UPDATE_STATE(s_header_field_start);
DuaaAbusharkh	0:a49e37a83a7a	2008	} else {
DuaaAbusharkh	0:a49e37a83a7a	2009	UPDATE_STATE(s_chunk_data);
DuaaAbusharkh	0:a49e37a83a7a	2010	}
DuaaAbusharkh	0:a49e37a83a7a	2011	CALLBACK_NOTIFY(chunk_header);
DuaaAbusharkh	0:a49e37a83a7a	2012	break;
DuaaAbusharkh	0:a49e37a83a7a	2013	}
DuaaAbusharkh	0:a49e37a83a7a	2014
DuaaAbusharkh	0:a49e37a83a7a	2015	case s_chunk_data:
DuaaAbusharkh	0:a49e37a83a7a	2016	{
DuaaAbusharkh	0:a49e37a83a7a	2017	uint64_t to_read = MIN(parser->content_length,
DuaaAbusharkh	0:a49e37a83a7a	2018	(uint64_t) ((data + len) - p));
DuaaAbusharkh	0:a49e37a83a7a	2019
DuaaAbusharkh	0:a49e37a83a7a	2020	assert(parser->flags & F_CHUNKED);
DuaaAbusharkh	0:a49e37a83a7a	2021	assert(parser->content_length != 0
DuaaAbusharkh	0:a49e37a83a7a	2022	&& parser->content_length != ULLONG_MAX);
DuaaAbusharkh	0:a49e37a83a7a	2023
DuaaAbusharkh	0:a49e37a83a7a	2024	/* See the explanation in s_body_identity for why the content
DuaaAbusharkh	0:a49e37a83a7a	2025	* length and data pointers are managed this way.
DuaaAbusharkh	0:a49e37a83a7a	2026	*/
DuaaAbusharkh	0:a49e37a83a7a	2027	MARK(body);
DuaaAbusharkh	0:a49e37a83a7a	2028	parser->content_length -= to_read;
DuaaAbusharkh	0:a49e37a83a7a	2029	p += to_read - 1;
DuaaAbusharkh	0:a49e37a83a7a	2030
DuaaAbusharkh	0:a49e37a83a7a	2031	if (parser->content_length == 0) {
DuaaAbusharkh	0:a49e37a83a7a	2032	UPDATE_STATE(s_chunk_data_almost_done);
DuaaAbusharkh	0:a49e37a83a7a	2033	}
DuaaAbusharkh	0:a49e37a83a7a	2034
DuaaAbusharkh	0:a49e37a83a7a	2035	break;
DuaaAbusharkh	0:a49e37a83a7a	2036	}
DuaaAbusharkh	0:a49e37a83a7a	2037
DuaaAbusharkh	0:a49e37a83a7a	2038	case s_chunk_data_almost_done:
DuaaAbusharkh	0:a49e37a83a7a	2039	assert(parser->flags & F_CHUNKED);
DuaaAbusharkh	0:a49e37a83a7a	2040	assert(parser->content_length == 0);
DuaaAbusharkh	0:a49e37a83a7a	2041	STRICT_CHECK(ch != CR);
DuaaAbusharkh	0:a49e37a83a7a	2042	UPDATE_STATE(s_chunk_data_done);
DuaaAbusharkh	0:a49e37a83a7a	2043	CALLBACK_DATA(body);
DuaaAbusharkh	0:a49e37a83a7a	2044	break;
DuaaAbusharkh	0:a49e37a83a7a	2045
DuaaAbusharkh	0:a49e37a83a7a	2046	case s_chunk_data_done:
DuaaAbusharkh	0:a49e37a83a7a	2047	assert(parser->flags & F_CHUNKED);
DuaaAbusharkh	0:a49e37a83a7a	2048	STRICT_CHECK(ch != LF);
DuaaAbusharkh	0:a49e37a83a7a	2049	parser->nread = 0;
DuaaAbusharkh	0:a49e37a83a7a	2050	UPDATE_STATE(s_chunk_size_start);
DuaaAbusharkh	0:a49e37a83a7a	2051	CALLBACK_NOTIFY(chunk_complete);
DuaaAbusharkh	0:a49e37a83a7a	2052	break;
DuaaAbusharkh	0:a49e37a83a7a	2053
DuaaAbusharkh	0:a49e37a83a7a	2054	default:
DuaaAbusharkh	0:a49e37a83a7a	2055	assert(0 && "unhandled state");
DuaaAbusharkh	0:a49e37a83a7a	2056	SET_ERRNO(HPE_INVALID_INTERNAL_STATE);
DuaaAbusharkh	0:a49e37a83a7a	2057	goto error;
DuaaAbusharkh	0:a49e37a83a7a	2058	}
DuaaAbusharkh	0:a49e37a83a7a	2059	}
DuaaAbusharkh	0:a49e37a83a7a	2060
DuaaAbusharkh	0:a49e37a83a7a	2061	/* Run callbacks for any marks that we have leftover after we ran our of
DuaaAbusharkh	0:a49e37a83a7a	2062	* bytes. There should be at most one of these set, so it's OK to invoke
DuaaAbusharkh	0:a49e37a83a7a	2063	* them in series (unset marks will not result in callbacks).
DuaaAbusharkh	0:a49e37a83a7a	2064	*
DuaaAbusharkh	0:a49e37a83a7a	2065	* We use the NOADVANCE() variety of callbacks here because 'p' has already
DuaaAbusharkh	0:a49e37a83a7a	2066	* overflowed 'data' and this allows us to correct for the off-by-one that
DuaaAbusharkh	0:a49e37a83a7a	2067	* we'd otherwise have (since CALLBACK_DATA() is meant to be run with a 'p'
DuaaAbusharkh	0:a49e37a83a7a	2068	* value that's in-bounds).
DuaaAbusharkh	0:a49e37a83a7a	2069	*/
DuaaAbusharkh	0:a49e37a83a7a	2070
DuaaAbusharkh	0:a49e37a83a7a	2071	assert(((header_field_mark ? 1 : 0) +
DuaaAbusharkh	0:a49e37a83a7a	2072	(header_value_mark ? 1 : 0) +
DuaaAbusharkh	0:a49e37a83a7a	2073	(url_mark ? 1 : 0) +
DuaaAbusharkh	0:a49e37a83a7a	2074	(body_mark ? 1 : 0) +
DuaaAbusharkh	0:a49e37a83a7a	2075	(status_mark ? 1 : 0)) <= 1);
DuaaAbusharkh	0:a49e37a83a7a	2076
DuaaAbusharkh	0:a49e37a83a7a	2077	CALLBACK_DATA_NOADVANCE(header_field);
DuaaAbusharkh	0:a49e37a83a7a	2078	CALLBACK_DATA_NOADVANCE(header_value);
DuaaAbusharkh	0:a49e37a83a7a	2079	CALLBACK_DATA_NOADVANCE(url);
DuaaAbusharkh	0:a49e37a83a7a	2080	CALLBACK_DATA_NOADVANCE(body);
DuaaAbusharkh	0:a49e37a83a7a	2081	CALLBACK_DATA_NOADVANCE(status);
DuaaAbusharkh	0:a49e37a83a7a	2082
DuaaAbusharkh	0:a49e37a83a7a	2083	RETURN(len);
DuaaAbusharkh	0:a49e37a83a7a	2084
DuaaAbusharkh	0:a49e37a83a7a	2085	error:
DuaaAbusharkh	0:a49e37a83a7a	2086	if (HTTP_PARSER_ERRNO(parser) == HPE_OK) {
DuaaAbusharkh	0:a49e37a83a7a	2087	SET_ERRNO(HPE_UNKNOWN);
DuaaAbusharkh	0:a49e37a83a7a	2088	}
DuaaAbusharkh	0:a49e37a83a7a	2089
DuaaAbusharkh	0:a49e37a83a7a	2090	RETURN(p - data);
DuaaAbusharkh	0:a49e37a83a7a	2091	}
DuaaAbusharkh	0:a49e37a83a7a	2092
DuaaAbusharkh	0:a49e37a83a7a	2093
DuaaAbusharkh	0:a49e37a83a7a	2094	/* Does the parser need to see an EOF to find the end of the message? */
DuaaAbusharkh	0:a49e37a83a7a	2095	int
DuaaAbusharkh	0:a49e37a83a7a	2096	http_message_needs_eof (const http_parser *parser)
DuaaAbusharkh	0:a49e37a83a7a	2097	{
DuaaAbusharkh	0:a49e37a83a7a	2098	if (parser->type == HTTP_REQUEST) {
DuaaAbusharkh	0:a49e37a83a7a	2099	return 0;
DuaaAbusharkh	0:a49e37a83a7a	2100	}
DuaaAbusharkh	0:a49e37a83a7a	2101
DuaaAbusharkh	0:a49e37a83a7a	2102	/* See RFC 2616 section 4.4 */
DuaaAbusharkh	0:a49e37a83a7a	2103	if (parser->status_code / 100 == 1 \|\| /* 1xx e.g. Continue */
DuaaAbusharkh	0:a49e37a83a7a	2104	parser->status_code == 204 \|\| /* No Content */
DuaaAbusharkh	0:a49e37a83a7a	2105	parser->status_code == 304 \|\| /* Not Modified */
DuaaAbusharkh	0:a49e37a83a7a	2106	parser->flags & F_SKIPBODY) { /* response to a HEAD request */
DuaaAbusharkh	0:a49e37a83a7a	2107	return 0;
DuaaAbusharkh	0:a49e37a83a7a	2108	}
DuaaAbusharkh	0:a49e37a83a7a	2109
DuaaAbusharkh	0:a49e37a83a7a	2110	if ((parser->flags & F_CHUNKED) \|\| parser->content_length != ULLONG_MAX) {
DuaaAbusharkh	0:a49e37a83a7a	2111	return 0;
DuaaAbusharkh	0:a49e37a83a7a	2112	}
DuaaAbusharkh	0:a49e37a83a7a	2113
DuaaAbusharkh	0:a49e37a83a7a	2114	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2115	}
DuaaAbusharkh	0:a49e37a83a7a	2116
DuaaAbusharkh	0:a49e37a83a7a	2117
DuaaAbusharkh	0:a49e37a83a7a	2118	int
DuaaAbusharkh	0:a49e37a83a7a	2119	http_should_keep_alive (const http_parser *parser)
DuaaAbusharkh	0:a49e37a83a7a	2120	{
DuaaAbusharkh	0:a49e37a83a7a	2121	if (parser->http_major > 0 && parser->http_minor > 0) {
DuaaAbusharkh	0:a49e37a83a7a	2122	/* HTTP/1.1 */
DuaaAbusharkh	0:a49e37a83a7a	2123	if (parser->flags & F_CONNECTION_CLOSE) {
DuaaAbusharkh	0:a49e37a83a7a	2124	return 0;
DuaaAbusharkh	0:a49e37a83a7a	2125	}
DuaaAbusharkh	0:a49e37a83a7a	2126	} else {
DuaaAbusharkh	0:a49e37a83a7a	2127	/* HTTP/1.0 or earlier */
DuaaAbusharkh	0:a49e37a83a7a	2128	if (!(parser->flags & F_CONNECTION_KEEP_ALIVE)) {
DuaaAbusharkh	0:a49e37a83a7a	2129	return 0;
DuaaAbusharkh	0:a49e37a83a7a	2130	}
DuaaAbusharkh	0:a49e37a83a7a	2131	}
DuaaAbusharkh	0:a49e37a83a7a	2132
DuaaAbusharkh	0:a49e37a83a7a	2133	return !http_message_needs_eof(parser);
DuaaAbusharkh	0:a49e37a83a7a	2134	}
DuaaAbusharkh	0:a49e37a83a7a	2135
DuaaAbusharkh	0:a49e37a83a7a	2136
DuaaAbusharkh	0:a49e37a83a7a	2137	const char *
DuaaAbusharkh	0:a49e37a83a7a	2138	http_method_str (enum http_method m)
DuaaAbusharkh	0:a49e37a83a7a	2139	{
DuaaAbusharkh	0:a49e37a83a7a	2140	return ELEM_AT(method_strings, m, "<unknown>");
DuaaAbusharkh	0:a49e37a83a7a	2141	}
DuaaAbusharkh	0:a49e37a83a7a	2142
DuaaAbusharkh	0:a49e37a83a7a	2143
DuaaAbusharkh	0:a49e37a83a7a	2144	void
DuaaAbusharkh	0:a49e37a83a7a	2145	http_parser_init (http_parser *parser, enum http_parser_type t)
DuaaAbusharkh	0:a49e37a83a7a	2146	{
DuaaAbusharkh	0:a49e37a83a7a	2147	void data = parser->data; / preserve application data */
DuaaAbusharkh	0:a49e37a83a7a	2148	memset(parser, 0, sizeof(*parser));
DuaaAbusharkh	0:a49e37a83a7a	2149	parser->data = data;
DuaaAbusharkh	0:a49e37a83a7a	2150	parser->type = t;
DuaaAbusharkh	0:a49e37a83a7a	2151	parser->state = (t == HTTP_REQUEST ? s_start_req : (t == HTTP_RESPONSE ? s_start_res : s_start_req_or_res));
DuaaAbusharkh	0:a49e37a83a7a	2152	parser->http_errno = HPE_OK;
DuaaAbusharkh	0:a49e37a83a7a	2153	}
DuaaAbusharkh	0:a49e37a83a7a	2154
DuaaAbusharkh	0:a49e37a83a7a	2155	void
DuaaAbusharkh	0:a49e37a83a7a	2156	http_parser_settings_init(http_parser_settings *settings)
DuaaAbusharkh	0:a49e37a83a7a	2157	{
DuaaAbusharkh	0:a49e37a83a7a	2158	memset(settings, 0, sizeof(*settings));
DuaaAbusharkh	0:a49e37a83a7a	2159	}
DuaaAbusharkh	0:a49e37a83a7a	2160
DuaaAbusharkh	0:a49e37a83a7a	2161	const char *
DuaaAbusharkh	0:a49e37a83a7a	2162	http_errno_name(enum http_errno err) {
DuaaAbusharkh	0:a49e37a83a7a	2163	assert(((size_t) err) < ARRAY_SIZE(http_strerror_tab));
DuaaAbusharkh	0:a49e37a83a7a	2164	return http_strerror_tab[err].name;
DuaaAbusharkh	0:a49e37a83a7a	2165	}
DuaaAbusharkh	0:a49e37a83a7a	2166
DuaaAbusharkh	0:a49e37a83a7a	2167	const char *
DuaaAbusharkh	0:a49e37a83a7a	2168	http_errno_description(enum http_errno err) {
DuaaAbusharkh	0:a49e37a83a7a	2169	assert(((size_t) err) < ARRAY_SIZE(http_strerror_tab));
DuaaAbusharkh	0:a49e37a83a7a	2170	return http_strerror_tab[err].description;
DuaaAbusharkh	0:a49e37a83a7a	2171	}
DuaaAbusharkh	0:a49e37a83a7a	2172
DuaaAbusharkh	0:a49e37a83a7a	2173	static enum http_host_state
DuaaAbusharkh	0:a49e37a83a7a	2174	http_parse_host_char(enum http_host_state s, const char ch) {
DuaaAbusharkh	0:a49e37a83a7a	2175	switch(s) {
DuaaAbusharkh	0:a49e37a83a7a	2176	case s_http_userinfo:
DuaaAbusharkh	0:a49e37a83a7a	2177	case s_http_userinfo_start:
DuaaAbusharkh	0:a49e37a83a7a	2178	if (ch == '@') {
DuaaAbusharkh	0:a49e37a83a7a	2179	return s_http_host_start;
DuaaAbusharkh	0:a49e37a83a7a	2180	}
DuaaAbusharkh	0:a49e37a83a7a	2181
DuaaAbusharkh	0:a49e37a83a7a	2182	if (IS_USERINFO_CHAR(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	2183	return s_http_userinfo;
DuaaAbusharkh	0:a49e37a83a7a	2184	}
DuaaAbusharkh	0:a49e37a83a7a	2185	break;
DuaaAbusharkh	0:a49e37a83a7a	2186
DuaaAbusharkh	0:a49e37a83a7a	2187	case s_http_host_start:
DuaaAbusharkh	0:a49e37a83a7a	2188	if (ch == '[') {
DuaaAbusharkh	0:a49e37a83a7a	2189	return s_http_host_v6_start;
DuaaAbusharkh	0:a49e37a83a7a	2190	}
DuaaAbusharkh	0:a49e37a83a7a	2191
DuaaAbusharkh	0:a49e37a83a7a	2192	if (IS_HOST_CHAR(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	2193	return s_http_host;
DuaaAbusharkh	0:a49e37a83a7a	2194	}
DuaaAbusharkh	0:a49e37a83a7a	2195
DuaaAbusharkh	0:a49e37a83a7a	2196	break;
DuaaAbusharkh	0:a49e37a83a7a	2197
DuaaAbusharkh	0:a49e37a83a7a	2198	case s_http_host:
DuaaAbusharkh	0:a49e37a83a7a	2199	if (IS_HOST_CHAR(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	2200	return s_http_host;
DuaaAbusharkh	0:a49e37a83a7a	2201	}
DuaaAbusharkh	0:a49e37a83a7a	2202
DuaaAbusharkh	0:a49e37a83a7a	2203	/* FALLTHROUGH */
DuaaAbusharkh	0:a49e37a83a7a	2204	case s_http_host_v6_end:
DuaaAbusharkh	0:a49e37a83a7a	2205	if (ch == ':') {
DuaaAbusharkh	0:a49e37a83a7a	2206	return s_http_host_port_start;
DuaaAbusharkh	0:a49e37a83a7a	2207	}
DuaaAbusharkh	0:a49e37a83a7a	2208
DuaaAbusharkh	0:a49e37a83a7a	2209	break;
DuaaAbusharkh	0:a49e37a83a7a	2210
DuaaAbusharkh	0:a49e37a83a7a	2211	case s_http_host_v6:
DuaaAbusharkh	0:a49e37a83a7a	2212	if (ch == ']') {
DuaaAbusharkh	0:a49e37a83a7a	2213	return s_http_host_v6_end;
DuaaAbusharkh	0:a49e37a83a7a	2214	}
DuaaAbusharkh	0:a49e37a83a7a	2215
DuaaAbusharkh	0:a49e37a83a7a	2216	/* FALLTHROUGH */
DuaaAbusharkh	0:a49e37a83a7a	2217	case s_http_host_v6_start:
DuaaAbusharkh	0:a49e37a83a7a	2218	if (IS_HEX(ch) \|\| ch == ':' \|\| ch == '.') {
DuaaAbusharkh	0:a49e37a83a7a	2219	return s_http_host_v6;
DuaaAbusharkh	0:a49e37a83a7a	2220	}
DuaaAbusharkh	0:a49e37a83a7a	2221
DuaaAbusharkh	0:a49e37a83a7a	2222	if (s == s_http_host_v6 && ch == '%') {
DuaaAbusharkh	0:a49e37a83a7a	2223	return s_http_host_v6_zone_start;
DuaaAbusharkh	0:a49e37a83a7a	2224	}
DuaaAbusharkh	0:a49e37a83a7a	2225	break;
DuaaAbusharkh	0:a49e37a83a7a	2226
DuaaAbusharkh	0:a49e37a83a7a	2227	case s_http_host_v6_zone:
DuaaAbusharkh	0:a49e37a83a7a	2228	if (ch == ']') {
DuaaAbusharkh	0:a49e37a83a7a	2229	return s_http_host_v6_end;
DuaaAbusharkh	0:a49e37a83a7a	2230	}
DuaaAbusharkh	0:a49e37a83a7a	2231
DuaaAbusharkh	0:a49e37a83a7a	2232	/* FALLTHROUGH */
DuaaAbusharkh	0:a49e37a83a7a	2233	case s_http_host_v6_zone_start:
DuaaAbusharkh	0:a49e37a83a7a	2234	/* RFC 6874 Zone ID consists of 1( unreserved / pct-encoded) /
DuaaAbusharkh	0:a49e37a83a7a	2235	if (IS_ALPHANUM(ch) \|\| ch == '%' \|\| ch == '.' \|\| ch == '-' \|\| ch == '_' \|\|
DuaaAbusharkh	0:a49e37a83a7a	2236	ch == '~') {
DuaaAbusharkh	0:a49e37a83a7a	2237	return s_http_host_v6_zone;
DuaaAbusharkh	0:a49e37a83a7a	2238	}
DuaaAbusharkh	0:a49e37a83a7a	2239	break;
DuaaAbusharkh	0:a49e37a83a7a	2240
DuaaAbusharkh	0:a49e37a83a7a	2241	case s_http_host_port:
DuaaAbusharkh	0:a49e37a83a7a	2242	case s_http_host_port_start:
DuaaAbusharkh	0:a49e37a83a7a	2243	if (IS_NUM(ch)) {
DuaaAbusharkh	0:a49e37a83a7a	2244	return s_http_host_port;
DuaaAbusharkh	0:a49e37a83a7a	2245	}
DuaaAbusharkh	0:a49e37a83a7a	2246
DuaaAbusharkh	0:a49e37a83a7a	2247	break;
DuaaAbusharkh	0:a49e37a83a7a	2248
DuaaAbusharkh	0:a49e37a83a7a	2249	default:
DuaaAbusharkh	0:a49e37a83a7a	2250	break;
DuaaAbusharkh	0:a49e37a83a7a	2251	}
DuaaAbusharkh	0:a49e37a83a7a	2252	return s_http_host_dead;
DuaaAbusharkh	0:a49e37a83a7a	2253	}
DuaaAbusharkh	0:a49e37a83a7a	2254
DuaaAbusharkh	0:a49e37a83a7a	2255	static int
DuaaAbusharkh	0:a49e37a83a7a	2256	http_parse_host(const char * buf, struct http_parser_url *u, int found_at) {
DuaaAbusharkh	0:a49e37a83a7a	2257	enum http_host_state s;
DuaaAbusharkh	0:a49e37a83a7a	2258
DuaaAbusharkh	0:a49e37a83a7a	2259	const char *p;
DuaaAbusharkh	0:a49e37a83a7a	2260	size_t buflen = u->field_data[UF_HOST].off + u->field_data[UF_HOST].len;
DuaaAbusharkh	0:a49e37a83a7a	2261
DuaaAbusharkh	0:a49e37a83a7a	2262	assert(u->field_set & (1 << UF_HOST));
DuaaAbusharkh	0:a49e37a83a7a	2263
DuaaAbusharkh	0:a49e37a83a7a	2264	u->field_data[UF_HOST].len = 0;
DuaaAbusharkh	0:a49e37a83a7a	2265
DuaaAbusharkh	0:a49e37a83a7a	2266	s = found_at ? s_http_userinfo_start : s_http_host_start;
DuaaAbusharkh	0:a49e37a83a7a	2267
DuaaAbusharkh	0:a49e37a83a7a	2268	for (p = buf + u->field_data[UF_HOST].off; p < buf + buflen; p++) {
DuaaAbusharkh	0:a49e37a83a7a	2269	enum http_host_state new_s = http_parse_host_char(s, *p);
DuaaAbusharkh	0:a49e37a83a7a	2270
DuaaAbusharkh	0:a49e37a83a7a	2271	if (new_s == s_http_host_dead) {
DuaaAbusharkh	0:a49e37a83a7a	2272	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2273	}
DuaaAbusharkh	0:a49e37a83a7a	2274
DuaaAbusharkh	0:a49e37a83a7a	2275	switch(new_s) {
DuaaAbusharkh	0:a49e37a83a7a	2276	case s_http_host:
DuaaAbusharkh	0:a49e37a83a7a	2277	if (s != s_http_host) {
DuaaAbusharkh	0:a49e37a83a7a	2278	u->field_data[UF_HOST].off = p - buf;
DuaaAbusharkh	0:a49e37a83a7a	2279	}
DuaaAbusharkh	0:a49e37a83a7a	2280	u->field_data[UF_HOST].len++;
DuaaAbusharkh	0:a49e37a83a7a	2281	break;
DuaaAbusharkh	0:a49e37a83a7a	2282
DuaaAbusharkh	0:a49e37a83a7a	2283	case s_http_host_v6:
DuaaAbusharkh	0:a49e37a83a7a	2284	if (s != s_http_host_v6) {
DuaaAbusharkh	0:a49e37a83a7a	2285	u->field_data[UF_HOST].off = p - buf;
DuaaAbusharkh	0:a49e37a83a7a	2286	}
DuaaAbusharkh	0:a49e37a83a7a	2287	u->field_data[UF_HOST].len++;
DuaaAbusharkh	0:a49e37a83a7a	2288	break;
DuaaAbusharkh	0:a49e37a83a7a	2289
DuaaAbusharkh	0:a49e37a83a7a	2290	case s_http_host_v6_zone_start:
DuaaAbusharkh	0:a49e37a83a7a	2291	case s_http_host_v6_zone:
DuaaAbusharkh	0:a49e37a83a7a	2292	u->field_data[UF_HOST].len++;
DuaaAbusharkh	0:a49e37a83a7a	2293	break;
DuaaAbusharkh	0:a49e37a83a7a	2294
DuaaAbusharkh	0:a49e37a83a7a	2295	case s_http_host_port:
DuaaAbusharkh	0:a49e37a83a7a	2296	if (s != s_http_host_port) {
DuaaAbusharkh	0:a49e37a83a7a	2297	u->field_data[UF_PORT].off = p - buf;
DuaaAbusharkh	0:a49e37a83a7a	2298	u->field_data[UF_PORT].len = 0;
DuaaAbusharkh	0:a49e37a83a7a	2299	u->field_set \|= (1 << UF_PORT);
DuaaAbusharkh	0:a49e37a83a7a	2300	}
DuaaAbusharkh	0:a49e37a83a7a	2301	u->field_data[UF_PORT].len++;
DuaaAbusharkh	0:a49e37a83a7a	2302	break;
DuaaAbusharkh	0:a49e37a83a7a	2303
DuaaAbusharkh	0:a49e37a83a7a	2304	case s_http_userinfo:
DuaaAbusharkh	0:a49e37a83a7a	2305	if (s != s_http_userinfo) {
DuaaAbusharkh	0:a49e37a83a7a	2306	u->field_data[UF_USERINFO].off = p - buf ;
DuaaAbusharkh	0:a49e37a83a7a	2307	u->field_data[UF_USERINFO].len = 0;
DuaaAbusharkh	0:a49e37a83a7a	2308	u->field_set \|= (1 << UF_USERINFO);
DuaaAbusharkh	0:a49e37a83a7a	2309	}
DuaaAbusharkh	0:a49e37a83a7a	2310	u->field_data[UF_USERINFO].len++;
DuaaAbusharkh	0:a49e37a83a7a	2311	break;
DuaaAbusharkh	0:a49e37a83a7a	2312
DuaaAbusharkh	0:a49e37a83a7a	2313	default:
DuaaAbusharkh	0:a49e37a83a7a	2314	break;
DuaaAbusharkh	0:a49e37a83a7a	2315	}
DuaaAbusharkh	0:a49e37a83a7a	2316	s = new_s;
DuaaAbusharkh	0:a49e37a83a7a	2317	}
DuaaAbusharkh	0:a49e37a83a7a	2318
DuaaAbusharkh	0:a49e37a83a7a	2319	/* Make sure we don't end somewhere unexpected */
DuaaAbusharkh	0:a49e37a83a7a	2320	switch (s) {
DuaaAbusharkh	0:a49e37a83a7a	2321	case s_http_host_start:
DuaaAbusharkh	0:a49e37a83a7a	2322	case s_http_host_v6_start:
DuaaAbusharkh	0:a49e37a83a7a	2323	case s_http_host_v6:
DuaaAbusharkh	0:a49e37a83a7a	2324	case s_http_host_v6_zone_start:
DuaaAbusharkh	0:a49e37a83a7a	2325	case s_http_host_v6_zone:
DuaaAbusharkh	0:a49e37a83a7a	2326	case s_http_host_port_start:
DuaaAbusharkh	0:a49e37a83a7a	2327	case s_http_userinfo:
DuaaAbusharkh	0:a49e37a83a7a	2328	case s_http_userinfo_start:
DuaaAbusharkh	0:a49e37a83a7a	2329	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2330	default:
DuaaAbusharkh	0:a49e37a83a7a	2331	break;
DuaaAbusharkh	0:a49e37a83a7a	2332	}
DuaaAbusharkh	0:a49e37a83a7a	2333
DuaaAbusharkh	0:a49e37a83a7a	2334	return 0;
DuaaAbusharkh	0:a49e37a83a7a	2335	}
DuaaAbusharkh	0:a49e37a83a7a	2336
DuaaAbusharkh	0:a49e37a83a7a	2337	void
DuaaAbusharkh	0:a49e37a83a7a	2338	http_parser_url_init(struct http_parser_url *u) {
DuaaAbusharkh	0:a49e37a83a7a	2339	memset(u, 0, sizeof(*u));
DuaaAbusharkh	0:a49e37a83a7a	2340	}
DuaaAbusharkh	0:a49e37a83a7a	2341
DuaaAbusharkh	0:a49e37a83a7a	2342	int
DuaaAbusharkh	0:a49e37a83a7a	2343	http_parser_parse_url(const char *buf, size_t buflen, int is_connect,
DuaaAbusharkh	0:a49e37a83a7a	2344	struct http_parser_url *u)
DuaaAbusharkh	0:a49e37a83a7a	2345	{
DuaaAbusharkh	0:a49e37a83a7a	2346	enum state s;
DuaaAbusharkh	0:a49e37a83a7a	2347	const char *p;
DuaaAbusharkh	0:a49e37a83a7a	2348	enum http_parser_url_fields uf, old_uf;
DuaaAbusharkh	0:a49e37a83a7a	2349	int found_at = 0;
DuaaAbusharkh	0:a49e37a83a7a	2350
DuaaAbusharkh	0:a49e37a83a7a	2351	u->port = u->field_set = 0;
DuaaAbusharkh	0:a49e37a83a7a	2352	s = is_connect ? s_req_server_start : s_req_spaces_before_url;
DuaaAbusharkh	0:a49e37a83a7a	2353	old_uf = UF_MAX;
DuaaAbusharkh	0:a49e37a83a7a	2354
DuaaAbusharkh	0:a49e37a83a7a	2355	for (p = buf; p < buf + buflen; p++) {
DuaaAbusharkh	0:a49e37a83a7a	2356	s = parse_url_char(s, *p);
DuaaAbusharkh	0:a49e37a83a7a	2357
DuaaAbusharkh	0:a49e37a83a7a	2358	/* Figure out the next field that we're operating on */
DuaaAbusharkh	0:a49e37a83a7a	2359	switch (s) {
DuaaAbusharkh	0:a49e37a83a7a	2360	case s_dead:
DuaaAbusharkh	0:a49e37a83a7a	2361	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2362
DuaaAbusharkh	0:a49e37a83a7a	2363	/* Skip delimeters */
DuaaAbusharkh	0:a49e37a83a7a	2364	case s_req_schema_slash:
DuaaAbusharkh	0:a49e37a83a7a	2365	case s_req_schema_slash_slash:
DuaaAbusharkh	0:a49e37a83a7a	2366	case s_req_server_start:
DuaaAbusharkh	0:a49e37a83a7a	2367	case s_req_query_string_start:
DuaaAbusharkh	0:a49e37a83a7a	2368	case s_req_fragment_start:
DuaaAbusharkh	0:a49e37a83a7a	2369	continue;
DuaaAbusharkh	0:a49e37a83a7a	2370
DuaaAbusharkh	0:a49e37a83a7a	2371	case s_req_schema:
DuaaAbusharkh	0:a49e37a83a7a	2372	uf = UF_SCHEMA;
DuaaAbusharkh	0:a49e37a83a7a	2373	break;
DuaaAbusharkh	0:a49e37a83a7a	2374
DuaaAbusharkh	0:a49e37a83a7a	2375	case s_req_server_with_at:
DuaaAbusharkh	0:a49e37a83a7a	2376	found_at = 1;
DuaaAbusharkh	0:a49e37a83a7a	2377
DuaaAbusharkh	0:a49e37a83a7a	2378	/* FALLTROUGH */
DuaaAbusharkh	0:a49e37a83a7a	2379	case s_req_server:
DuaaAbusharkh	0:a49e37a83a7a	2380	uf = UF_HOST;
DuaaAbusharkh	0:a49e37a83a7a	2381	break;
DuaaAbusharkh	0:a49e37a83a7a	2382
DuaaAbusharkh	0:a49e37a83a7a	2383	case s_req_path:
DuaaAbusharkh	0:a49e37a83a7a	2384	uf = UF_PATH;
DuaaAbusharkh	0:a49e37a83a7a	2385	break;
DuaaAbusharkh	0:a49e37a83a7a	2386
DuaaAbusharkh	0:a49e37a83a7a	2387	case s_req_query_string:
DuaaAbusharkh	0:a49e37a83a7a	2388	uf = UF_QUERY;
DuaaAbusharkh	0:a49e37a83a7a	2389	break;
DuaaAbusharkh	0:a49e37a83a7a	2390
DuaaAbusharkh	0:a49e37a83a7a	2391	case s_req_fragment:
DuaaAbusharkh	0:a49e37a83a7a	2392	uf = UF_FRAGMENT;
DuaaAbusharkh	0:a49e37a83a7a	2393	break;
DuaaAbusharkh	0:a49e37a83a7a	2394
DuaaAbusharkh	0:a49e37a83a7a	2395	default:
DuaaAbusharkh	0:a49e37a83a7a	2396	assert(!"Unexpected state");
DuaaAbusharkh	0:a49e37a83a7a	2397	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2398	}
DuaaAbusharkh	0:a49e37a83a7a	2399
DuaaAbusharkh	0:a49e37a83a7a	2400	/* Nothing's changed; soldier on */
DuaaAbusharkh	0:a49e37a83a7a	2401	if (uf == old_uf) {
DuaaAbusharkh	0:a49e37a83a7a	2402	u->field_data[uf].len++;
DuaaAbusharkh	0:a49e37a83a7a	2403	continue;
DuaaAbusharkh	0:a49e37a83a7a	2404	}
DuaaAbusharkh	0:a49e37a83a7a	2405
DuaaAbusharkh	0:a49e37a83a7a	2406	u->field_data[uf].off = p - buf;
DuaaAbusharkh	0:a49e37a83a7a	2407	u->field_data[uf].len = 1;
DuaaAbusharkh	0:a49e37a83a7a	2408
DuaaAbusharkh	0:a49e37a83a7a	2409	u->field_set \|= (1 << uf);
DuaaAbusharkh	0:a49e37a83a7a	2410	old_uf = uf;
DuaaAbusharkh	0:a49e37a83a7a	2411	}
DuaaAbusharkh	0:a49e37a83a7a	2412
DuaaAbusharkh	0:a49e37a83a7a	2413	/* host must be present if there is a schema */
DuaaAbusharkh	0:a49e37a83a7a	2414	/* parsing http:///toto will fail */
DuaaAbusharkh	0:a49e37a83a7a	2415	if ((u->field_set & (1 << UF_SCHEMA)) &&
DuaaAbusharkh	0:a49e37a83a7a	2416	(u->field_set & (1 << UF_HOST)) == 0) {
DuaaAbusharkh	0:a49e37a83a7a	2417	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2418	}
DuaaAbusharkh	0:a49e37a83a7a	2419
DuaaAbusharkh	0:a49e37a83a7a	2420	if (u->field_set & (1 << UF_HOST)) {
DuaaAbusharkh	0:a49e37a83a7a	2421	if (http_parse_host(buf, u, found_at) != 0) {
DuaaAbusharkh	0:a49e37a83a7a	2422	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2423	}
DuaaAbusharkh	0:a49e37a83a7a	2424	}
DuaaAbusharkh	0:a49e37a83a7a	2425
DuaaAbusharkh	0:a49e37a83a7a	2426	/* CONNECT requests can only contain "hostname:port" */
DuaaAbusharkh	0:a49e37a83a7a	2427	if (is_connect && u->field_set != ((1 << UF_HOST)\|(1 << UF_PORT))) {
DuaaAbusharkh	0:a49e37a83a7a	2428	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2429	}
DuaaAbusharkh	0:a49e37a83a7a	2430
DuaaAbusharkh	0:a49e37a83a7a	2431	if (u->field_set & (1 << UF_PORT)) {
DuaaAbusharkh	0:a49e37a83a7a	2432	/* Don't bother with endp; we've already validated the string */
DuaaAbusharkh	0:a49e37a83a7a	2433	unsigned long v = strtoul(buf + u->field_data[UF_PORT].off, NULL, 10);
DuaaAbusharkh	0:a49e37a83a7a	2434
DuaaAbusharkh	0:a49e37a83a7a	2435	/* Ports have a max value of 2^16 */
DuaaAbusharkh	0:a49e37a83a7a	2436	if (v > 0xffff) {
DuaaAbusharkh	0:a49e37a83a7a	2437	return 1;
DuaaAbusharkh	0:a49e37a83a7a	2438	}
DuaaAbusharkh	0:a49e37a83a7a	2439
DuaaAbusharkh	0:a49e37a83a7a	2440	u->port = (uint16_t) v;
DuaaAbusharkh	0:a49e37a83a7a	2441	}
DuaaAbusharkh	0:a49e37a83a7a	2442
DuaaAbusharkh	0:a49e37a83a7a	2443	return 0;
DuaaAbusharkh	0:a49e37a83a7a	2444	}
DuaaAbusharkh	0:a49e37a83a7a	2445
DuaaAbusharkh	0:a49e37a83a7a	2446	void
DuaaAbusharkh	0:a49e37a83a7a	2447	http_parser_pause(http_parser *parser, int paused) {
DuaaAbusharkh	0:a49e37a83a7a	2448	/* Users should only be pausing/unpausing a parser that is not in an error
DuaaAbusharkh	0:a49e37a83a7a	2449	* state. In non-debug builds, there's not much that we can do about this
DuaaAbusharkh	0:a49e37a83a7a	2450	* other than ignore it.
DuaaAbusharkh	0:a49e37a83a7a	2451	*/
DuaaAbusharkh	0:a49e37a83a7a	2452	if (HTTP_PARSER_ERRNO(parser) == HPE_OK \|\|
DuaaAbusharkh	0:a49e37a83a7a	2453	HTTP_PARSER_ERRNO(parser) == HPE_PAUSED) {
DuaaAbusharkh	0:a49e37a83a7a	2454	SET_ERRNO((paused) ? HPE_PAUSED : HPE_OK);
DuaaAbusharkh	0:a49e37a83a7a	2455	} else {
DuaaAbusharkh	0:a49e37a83a7a	2456	assert(0 && "Attempting to pause parser in error state");
DuaaAbusharkh	0:a49e37a83a7a	2457	}
DuaaAbusharkh	0:a49e37a83a7a	2458	}
DuaaAbusharkh	0:a49e37a83a7a	2459
DuaaAbusharkh	0:a49e37a83a7a	2460	int
DuaaAbusharkh	0:a49e37a83a7a	2461	http_body_is_final(const struct http_parser *parser) {
DuaaAbusharkh	0:a49e37a83a7a	2462	return parser->state == s_message_done;
DuaaAbusharkh	0:a49e37a83a7a	2463	}
DuaaAbusharkh	0:a49e37a83a7a	2464
DuaaAbusharkh	0:a49e37a83a7a	2465	unsigned long
DuaaAbusharkh	0:a49e37a83a7a	2466	http_parser_version(void) {
DuaaAbusharkh	0:a49e37a83a7a	2467	return HTTP_PARSER_VERSION_MAJOR * 0x10000 \|
DuaaAbusharkh	0:a49e37a83a7a	2468	HTTP_PARSER_VERSION_MINOR * 0x00100 \|
DuaaAbusharkh	0:a49e37a83a7a	2469	HTTP_PARSER_VERSION_PATCH * 0x00001;
DuaaAbusharkh	0:a49e37a83a7a	2470	}

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Type:	Program
Mbed OS support:	Mbed OS
Created:	15 Apr 2019
Imports:	12
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	0
Followers:	1

mbed-http/http_parser/http_parser.c@0:a49e37a83a7a, 2019-04-15 (annotated)

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