nginx: src/http/v3/ngx_http_v3

annotate src/http/v3/ngx_http_v3_parse.c @ 8465:5611bbb852ce quic

HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.

author	Roman Arutyunyan <arut@nginx.com>
date	Fri, 03 Jul 2020 12:05:05 +0300
parents	fdb8edc8e496
children	4fd709540daf

rev	line source
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	2 /*
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	3 * Copyright (C) Roman Arutyunyan
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	4 * Copyright (C) Nginx, Inc.
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	5 */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	6
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	7
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	8 #include <ngx_config.h>
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	9 #include <ngx_core.h>
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	10 #include <ngx_http.h>
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	11
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	12
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	13 static ngx_int_t ngx_http_v3_parse_lookup(ngx_connection_t *c,
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	14 ngx_uint_t dynamic, ngx_uint_t index, ngx_str_t name, ngx_str_t value);
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	15
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	16
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	17 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	18 ngx_http_v3_parse_varlen_int(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	19 ngx_http_v3_parse_varlen_int_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	20 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	21 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	22 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	23 sw_length_2,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	24 sw_length_3,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	25 sw_length_4,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	26 sw_length_5,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	27 sw_length_6,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	28 sw_length_7,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	29 sw_length_8
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	30 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	31
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	32 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	33
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	34 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	35
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	36 st->value = ch;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	37 if (st->value & 0xc0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	38 st->state = sw_length_2;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	39 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	40 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	41
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	42 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	43
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	44 case sw_length_2:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	45
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	46 st->value = (st->value << 8) + ch;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	47 if ((st->value & 0xc000) == 0x4000) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	48 st->value &= 0x3fff;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	49 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	50 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	51
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	52 st->state = sw_length_3;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	53 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	54
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	55 case sw_length_4:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	56
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	57 st->value = (st->value << 8) + ch;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	58 if ((st->value & 0xc0000000) == 0x80000000) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	59 st->value &= 0x3fffffff;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	60 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	61 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	62
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	63 st->state = sw_length_5;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	64 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	65
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	66 case sw_length_3:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	67 case sw_length_5:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	68 case sw_length_6:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	69 case sw_length_7:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	70
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	71 st->value = (st->value << 8) + ch;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	72 st->state++;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	73 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	74
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	75 case sw_length_8:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	76
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	77 st->value = (st->value << 8) + ch;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	78 st->value &= 0x3fffffffffffffff;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	79 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	80 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	81
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	82 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	83
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	84 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	85
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	86 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	87 "http3 parse varlen int %uL", st->value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	88
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	89 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	90 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	91 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	92
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	93
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	94 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	95 ngx_http_v3_parse_prefix_int(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	96 ngx_http_v3_parse_prefix_int_t *st, ngx_uint_t prefix, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	97 {
8455 b0e81f49d7c0 HTTP/3: fixed prefixed integer encoding and decoding. Roman Arutyunyan <arut@nginx.com> parents: 8454 diff changeset	98 ngx_uint_t mask;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	99 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	100 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	101 sw_value
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	102 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	103
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	104 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	105
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	106 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	107
8455 b0e81f49d7c0 HTTP/3: fixed prefixed integer encoding and decoding. Roman Arutyunyan <arut@nginx.com> parents: 8454 diff changeset	108 mask = (1 << prefix) - 1;
b0e81f49d7c0 HTTP/3: fixed prefixed integer encoding and decoding. Roman Arutyunyan <arut@nginx.com> parents: 8454 diff changeset	109 st->value = ch & mask;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	110
8455 b0e81f49d7c0 HTTP/3: fixed prefixed integer encoding and decoding. Roman Arutyunyan <arut@nginx.com> parents: 8454 diff changeset	111 if (st->value != mask) {
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	112 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	113 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	114
8455 b0e81f49d7c0 HTTP/3: fixed prefixed integer encoding and decoding. Roman Arutyunyan <arut@nginx.com> parents: 8454 diff changeset	115 st->shift = 0;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	116 st->state = sw_value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	117 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	118
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	119 case sw_value:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	120
8463 2576485b93d4 HTTP/3: fixed overflow in prefixed integer parser. Roman Arutyunyan <arut@nginx.com> parents: 8462 diff changeset	121 st->value += (uint64_t) (ch & 0x7f) << st->shift;
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	122
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	123 if (st->shift == 56
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	124 && ((ch & 0x80) \|\| (st->value & 0xc000000000000000)))
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	125 {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	126 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	127 "client exceeded integer size limit");
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	128 return NGX_HTTP_V3_ERR_EXCESSIVE_LOAD;
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	129 }
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	130
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	131 if (ch & 0x80) {
8455 b0e81f49d7c0 HTTP/3: fixed prefixed integer encoding and decoding. Roman Arutyunyan <arut@nginx.com> parents: 8454 diff changeset	132 st->shift += 7;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	133 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	134 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	135
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	136 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	137 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	138
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	139 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	140
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	141 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	142
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	143 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	144 "http3 parse prefix int %uL", st->value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	145
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	146 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	147 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	148 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	149
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	150
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	151 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	152 ngx_http_v3_parse_headers(ngx_connection_t c, ngx_http_v3_parse_headers_t st,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	153 u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	154 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	155 ngx_int_t rc;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	156 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	157 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	158 sw_length,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	159 sw_prefix,
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	160 sw_verify,
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	161 sw_header_rep,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	162 sw_done
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	163 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	164
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	165 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	166
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	167 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	168
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	169 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	170
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	171 if (ch != NGX_HTTP_V3_FRAME_HEADERS) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	172 return NGX_HTTP_V3_ERR_FRAME_UNEXPECTED;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	173 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	174
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	175 st->state = sw_length;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	176 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	177
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	178 case sw_length:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	179
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	180 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	181 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	182 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	183
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	184 st->length = st->vlint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	185
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	186 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	187 "http3 parse headers len:%ui", st->length);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	188
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	189 st->state = sw_prefix;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	190 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	191
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	192 case sw_prefix:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	193
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	194 if (st->length-- == 0) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	195 return NGX_HTTP_V3_ERR_FRAME_ERROR;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	196 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	197
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	198 rc = ngx_http_v3_parse_header_block_prefix(c, &st->prefix, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	199
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	200 if (rc == NGX_AGAIN) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	201 break;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	202 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	203
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	204 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	205 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	206 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	207
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	208 if (st->length == 0) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	209 return NGX_HTTP_V3_ERR_FRAME_ERROR;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	210 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	211
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	212 st->state = sw_verify;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	213 break;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	214
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	215 case sw_verify:
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	216
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	217 rc = ngx_http_v3_check_insert_count(c, st->prefix.insert_count);
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	218 if (rc != NGX_OK) {
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	219 return rc;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	220 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	221
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	222 st->state = sw_header_rep;
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	223
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	224 /* fall through */
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	225
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	226 case sw_header_rep:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	227
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	228 rc = ngx_http_v3_parse_header_rep(c, &st->header_rep, st->prefix.base,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	229 ch);
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	230 st->length--;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	231
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	232 if (rc == NGX_AGAIN) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	233 if (st->length == 0) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	234 return NGX_HTTP_V3_ERR_FRAME_ERROR;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	235 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	236
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	237 break;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	238 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	239
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	240 if (rc != NGX_DONE) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	241 return rc;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	242 }
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	243
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	244 if (st->length == 0) {
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	245 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	246 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	247
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	248 return NGX_OK;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	249 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	250
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	251 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	252
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	253 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	254
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	255 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers done");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	256
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	257 if (st->prefix.insert_count > 0) {
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	258 if (ngx_http_v3_client_ack_header(c, c->qs->id) != NGX_OK) {
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	259 return NGX_ERROR;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	260 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	261 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	262
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	263 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	264 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	265 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	266
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	267
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	268 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	269 ngx_http_v3_parse_header_block_prefix(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	270 ngx_http_v3_parse_header_block_prefix_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	271 {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	272 ngx_int_t rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	273 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	274 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	275 sw_req_insert_count,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	276 sw_delta_base,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	277 sw_read_delta_base
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	278 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	279
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	280 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	281
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	282 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	283
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	284 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	285 "http3 parse header block prefix");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	286
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	287 st->state = sw_req_insert_count;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	288
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	289 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	290
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	291 case sw_req_insert_count:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	292
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	293 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 8, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	294 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	295 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	296 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	297
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	298 st->insert_count = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	299 st->state = sw_delta_base;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	300 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	301
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	302 case sw_delta_base:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	303
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	304 st->sign = (ch & 0x80) ? 1 : 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	305 st->state = sw_read_delta_base;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	306
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	307 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	308
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	309 case sw_read_delta_base:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	310
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	311 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	312 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	313 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	314 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	315
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	316 st->delta_base = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	317 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	318 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	319
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	320 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	321
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	322 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	323
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	324 rc = ngx_http_v3_decode_insert_count(c, &st->insert_count);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	325 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	326 return rc;
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	327 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	328
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	329 if (st->sign) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	330 st->base = st->insert_count - st->delta_base - 1;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	331 } else {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	332 st->base = st->insert_count + st->delta_base;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	333 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	334
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	335 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	336 "http3 parse header block prefix done "
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	337 "insert_count:%ui, sign:%ui, delta_base:%ui, base:%uL",
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	338 st->insert_count, st->sign, st->delta_base, st->base);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	339
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	340 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	341 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	342 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	343
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	344
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	345 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	346 ngx_http_v3_parse_header_rep(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	347 ngx_http_v3_parse_header_rep_t *st, ngx_uint_t base, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	348 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	349 ngx_int_t rc;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	350 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	351 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	352 sw_header_ri,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	353 sw_header_lri,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	354 sw_header_l,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	355 sw_header_pbi,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	356 sw_header_lpbi
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	357 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	358
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	359 if (st->state == sw_start) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	360
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	361 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	362 "http3 parse header representation");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	363
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	364 ngx_memzero(&st->header, sizeof(ngx_http_v3_parse_header_t));
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	365
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	366 st->header.base = base;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	367
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	368 if (ch & 0x80) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	369 /* Indexed Header Field */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	370
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	371 st->state = sw_header_ri;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	372
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	373 } else if (ch & 0x40) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	374 /* Literal Header Field With Name Reference */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	375
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	376 st->state = sw_header_lri;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	377
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	378 } else if (ch & 0x20) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	379 /* Literal Header Field Without Name Reference */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	380
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	381 st->state = sw_header_l;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	382
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	383 } else if (ch & 0x10) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	384 /* Indexed Header Field With Post-Base Index */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	385
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	386 st->state = sw_header_pbi;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	387
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	388 } else {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	389 /* Literal Header Field With Post-Base Name Reference */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	390
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	391 st->state = sw_header_lpbi;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	392 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	393 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	394
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	395 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	396
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	397 case sw_header_ri:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	398 rc = ngx_http_v3_parse_header_ri(c, &st->header, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	399 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	400
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	401 case sw_header_lri:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	402 rc = ngx_http_v3_parse_header_lri(c, &st->header, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	403 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	404
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	405 case sw_header_l:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	406 rc = ngx_http_v3_parse_header_l(c, &st->header, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	407 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	408
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	409 case sw_header_pbi:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	410 rc = ngx_http_v3_parse_header_pbi(c, &st->header, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	411 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	412
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	413 case sw_header_lpbi:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	414 rc = ngx_http_v3_parse_header_lpbi(c, &st->header, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	415 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	416
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	417 default:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	418 rc = NGX_OK;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	419 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	420
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	421 if (rc != NGX_DONE) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	422 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	423 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	424
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	425 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	426 "http3 parse header representation done");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	427
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	428 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	429 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	430 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	431
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	432
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	433 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	434 ngx_http_v3_parse_literal(ngx_connection_t c, ngx_http_v3_parse_literal_t st,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	435 u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	436 {
8454 032cb35ce758 HTTP/3: http3_max_field_size directive to limit string size. Roman Arutyunyan <arut@nginx.com> parents: 8295 diff changeset	437 ngx_uint_t n;
032cb35ce758 HTTP/3: http3_max_field_size directive to limit string size. Roman Arutyunyan <arut@nginx.com> parents: 8295 diff changeset	438 ngx_http_v3_srv_conf_t *v3cf;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	439 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	440 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	441 sw_value
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	442 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	443
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	444 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	445
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	446 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	447
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	448 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	449 "http3 parse literal huff:%ui, len:%ui",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	450 st->huffman, st->length);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	451
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	452 n = st->length;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	453
8454 032cb35ce758 HTTP/3: http3_max_field_size directive to limit string size. Roman Arutyunyan <arut@nginx.com> parents: 8295 diff changeset	454 v3cf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module);
032cb35ce758 HTTP/3: http3_max_field_size directive to limit string size. Roman Arutyunyan <arut@nginx.com> parents: 8295 diff changeset	455
032cb35ce758 HTTP/3: http3_max_field_size directive to limit string size. Roman Arutyunyan <arut@nginx.com> parents: 8295 diff changeset	456 if (n > v3cf->max_field_size) {
8457 a7f64438aa3c HTTP/3: downgraded literal size error level to NGX_LOG_INFO. Roman Arutyunyan <arut@nginx.com> parents: 8456 diff changeset	457 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8454 032cb35ce758 HTTP/3: http3_max_field_size directive to limit string size. Roman Arutyunyan <arut@nginx.com> parents: 8295 diff changeset	458 "client exceeded http3_max_field_size limit");
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	459 return NGX_HTTP_V3_ERR_EXCESSIVE_LOAD;
8454 032cb35ce758 HTTP/3: http3_max_field_size directive to limit string size. Roman Arutyunyan <arut@nginx.com> parents: 8295 diff changeset	460 }
032cb35ce758 HTTP/3: http3_max_field_size directive to limit string size. Roman Arutyunyan <arut@nginx.com> parents: 8295 diff changeset	461
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	462 if (st->huffman) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	463 n = n * 8 / 5;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	464 st->huffstate = 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	465 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	466
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	467 st->last = ngx_pnalloc(c->pool, n + 1);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	468 if (st->last == NULL) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	469 return NGX_ERROR;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	470 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	471
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	472 st->value.data = st->last;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	473 st->state = sw_value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	474
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	475 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	476
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	477 case sw_value:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	478
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	479 if (st->huffman) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	480 if (ngx_http_v2_huff_decode(&st->huffstate, &ch, 1, &st->last,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	481 st->length == 1, c->log)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	482 != NGX_OK)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	483 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	484 return NGX_ERROR;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	485 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	486
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	487 } else {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	488 *st->last++ = ch;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	489 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	490
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	491 if (--st->length) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	492 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	493 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	494
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	495 st->value.len = st->last - st->value.data;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	496 *st->last = '\0';
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	497 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	498 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	499
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	500 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	501
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	502 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	503
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	504 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	505 "http3 parse literal done \"%V\"", &st->value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	506
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	507 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	508 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	509 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	510
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	511
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	512 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	513 ngx_http_v3_parse_header_ri(ngx_connection_t c, ngx_http_v3_parse_header_t st,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	514 u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	515 {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	516 ngx_int_t rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	517 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	518 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	519 sw_index
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	520 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	521
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	522 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	523
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	524 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	525
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	526 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header ri");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	527
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	528 st->dynamic = (ch & 0x40) ? 0 : 1;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	529 st->state = sw_index;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	530
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	531 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	532
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	533 case sw_index:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	534
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	535 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	536 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	537 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	538 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	539
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	540 st->index = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	541 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	542 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	543
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	544 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	545
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	546 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	547
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	548 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	549 "http3 parse header ri done %s%ui]",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	550 st->dynamic ? "dynamic[-" : "static[", st->index);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	551
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	552 if (st->dynamic) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	553 st->index = st->base - st->index - 1;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	554 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	555
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	556 rc = ngx_http_v3_parse_lookup(c, st->dynamic, st->index, &st->name,
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	557 &st->value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	558 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	559 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	560 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	561
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	562 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	563 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	564 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	565
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	566
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	567 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	568 ngx_http_v3_parse_header_lri(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	569 ngx_http_v3_parse_header_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	570 {
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	571 ngx_int_t rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	572 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	573 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	574 sw_index,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	575 sw_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	576 sw_read_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	577 sw_value
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	578 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	579
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	580 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	581
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	582 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	583
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	584 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header lri");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	585
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	586 st->dynamic = (ch & 0x10) ? 0 : 1;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	587 st->state = sw_index;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	588
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	589 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	590
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	591 case sw_index:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	592
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	593 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	594 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	595 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	596 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	597
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	598 st->index = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	599 st->state = sw_value_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	600 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	601
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	602 case sw_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	603
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	604 st->literal.huffman = (ch & 0x80) ? 1 : 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	605 st->state = sw_read_value_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	606
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	607 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	608
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	609 case sw_read_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	610
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	611 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	612 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	613 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	614 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	615
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	616 st->literal.length = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	617 if (st->literal.length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	618 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	619 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	620
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	621 st->state = sw_value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	622 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	623
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	624 case sw_value:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	625
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	626 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	627 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	628 return rc;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	629 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	630
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	631 st->value = st->literal.value;
5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	632 goto done;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	633 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	634
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	635 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	636
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	637 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	638
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	639 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	640 "http3 parse header lri done %s%ui] \"%V\"",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	641 st->dynamic ? "dynamic[-" : "static[",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	642 st->index, &st->value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	643
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	644 if (st->dynamic) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	645 st->index = st->base - st->index - 1;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	646 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	647
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	648 rc = ngx_http_v3_parse_lookup(c, st->dynamic, st->index, &st->name, NULL);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	649 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	650 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	651 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	652
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	653 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	654 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	655 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	656
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	657
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	658 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	659 ngx_http_v3_parse_header_l(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	660 ngx_http_v3_parse_header_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	661 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	662 ngx_int_t rc;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	663 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	664 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	665 sw_name_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	666 sw_name,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	667 sw_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	668 sw_read_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	669 sw_value
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	670 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	671
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	672 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	673
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	674 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	675
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	676 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header l");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	677
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	678 st->literal.huffman = (ch & 0x08) ? 1 : 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	679 st->state = sw_name_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	680
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	681 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	682
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	683 case sw_name_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	684
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	685 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	686 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	687 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	688 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	689
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	690 st->literal.length = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	691 if (st->literal.length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	692 return NGX_ERROR;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	693 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	694
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	695 st->state = sw_name;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	696 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	697
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	698 case sw_name:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	699
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	700 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	701 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	702 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	703 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	704
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	705 st->name = st->literal.value;
5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	706 st->state = sw_value_len;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	707 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	708
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	709 case sw_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	710
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	711 st->literal.huffman = (ch & 0x80) ? 1 : 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	712 st->state = sw_read_value_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	713
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	714 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	715
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	716 case sw_read_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	717
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	718 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	719 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	720 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	721 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	722
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	723 st->literal.length = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	724 if (st->literal.length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	725 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	726 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	727
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	728 st->state = sw_value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	729 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	730
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	731 case sw_value:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	732
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	733 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	734 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	735 return rc;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	736 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	737
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	738 st->value = st->literal.value;
5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	739 goto done;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	740 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	741
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	742 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	743
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	744 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	745
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	746 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	747 "http3 parse header l done \"%V\" \"%V\"",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	748 &st->name, &st->value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	749
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	750 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	751 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	752 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	753
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	754
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	755 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	756 ngx_http_v3_parse_header_pbi(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	757 ngx_http_v3_parse_header_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	758 {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	759 ngx_int_t rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	760 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	761 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	762 sw_index
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	763 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	764
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	765 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	766
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	767 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	768
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	769 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header pbi");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	770
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	771 st->state = sw_index;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	772
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	773 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	774
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	775 case sw_index:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	776
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	777 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	778 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	779 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	780 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	781
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	782 st->index = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	783 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	784 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	785
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	786 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	787
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	788 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	789
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	790 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	791 "http3 parse header pbi done dynamic[+%ui]", st->index);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	792
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	793 rc = ngx_http_v3_parse_lookup(c, 1, st->base + st->index, &st->name,
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	794 &st->value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	795 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	796 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	797 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	798
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	799 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	800 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	801 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	802
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	803
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	804 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	805 ngx_http_v3_parse_header_lpbi(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	806 ngx_http_v3_parse_header_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	807 {
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	808 ngx_int_t rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	809 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	810 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	811 sw_index,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	812 sw_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	813 sw_read_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	814 sw_value
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	815 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	816
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	817 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	818
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	819 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	820
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	821 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	822 "http3 parse header lpbi");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	823
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	824 st->state = sw_index;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	825
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	826 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	827
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	828 case sw_index:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	829
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	830 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	831 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	832 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	833 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	834
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	835 st->index = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	836 st->state = sw_value_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	837 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	838
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	839 case sw_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	840
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	841 st->literal.huffman = (ch & 0x80) ? 1 : 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	842 st->state = sw_read_value_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	843
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	844 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	845
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	846 case sw_read_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	847
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	848 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	849 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	850 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	851 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	852
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	853 st->literal.length = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	854 if (st->literal.length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	855 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	856 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	857
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	858 st->state = sw_value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	859 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	860
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	861 case sw_value:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	862
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	863 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	864 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	865 return rc;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	866 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	867
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	868 st->value = st->literal.value;
5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	869 goto done;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	870 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	871
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	872 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	873
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	874 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	875
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	876 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	877 "http3 parse header lpbi done dynamic[+%ui] \"%V\"",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	878 st->index, &st->value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	879
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	880 rc = ngx_http_v3_parse_lookup(c, 1, st->base + st->index, &st->name, NULL);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	881 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	882 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	883 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	884
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	885 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	886 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	887 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	888
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	889
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	890 static ngx_int_t
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	891 ngx_http_v3_parse_lookup(ngx_connection_t *c, ngx_uint_t dynamic,
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	892 ngx_uint_t index, ngx_str_t name, ngx_str_t value)
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	893 {
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	894 u_char *p;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	895
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	896 if (!dynamic) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	897 if (ngx_http_v3_lookup_static(c, index, name, value) != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	898 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	899 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	900
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	901 return NGX_OK;
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	902 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	903
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	904 if (ngx_http_v3_lookup(c, index, name, value) != NGX_OK) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	905 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED;
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	906 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	907
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	908 if (name) {
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	909 p = ngx_pnalloc(c->pool, name->len + 1);
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	910 if (p == NULL) {
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	911 return NGX_ERROR;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	912 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	913
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	914 ngx_memcpy(p, name->data, name->len);
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	915 p[name->len] = '\0';
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	916 name->data = p;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	917 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	918
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	919 if (value) {
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	920 p = ngx_pnalloc(c->pool, value->len + 1);
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	921 if (p == NULL) {
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	922 return NGX_ERROR;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	923 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	924
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	925 ngx_memcpy(p, value->data, value->len);
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	926 p[value->len] = '\0';
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	927 value->data = p;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	928 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	929
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	930 return NGX_OK;
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	931 }
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	932
c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	933
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	934 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	935 ngx_http_v3_parse_control(ngx_connection_t c, void data, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	936 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	937 ngx_http_v3_parse_control_t *st = data;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	938
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	939 ngx_int_t rc;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	940 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	941 sw_start = 0,
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	942 sw_first_type,
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	943 sw_type,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	944 sw_length,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	945 sw_settings,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	946 sw_max_push_id,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	947 sw_skip
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	948 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	949
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	950 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	951
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	952 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	953
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	954 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse control");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	955
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	956 st->state = sw_first_type;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	957
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	958 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	959
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	960 case sw_first_type:
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	961 case sw_type:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	962
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	963 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	964 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	965 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	966
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	967 st->type = st->vlint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	968
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	969 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	970 "http3 parse frame type:%ui", st->type);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	971
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	972 if (st->state == sw_first_type
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	973 && st->type != NGX_HTTP_V3_FRAME_SETTINGS)
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	974 {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	975 return NGX_HTTP_V3_ERR_MISSING_SETTINGS;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	976 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	977
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	978 st->state = sw_length;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	979 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	980
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	981 case sw_length:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	982
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	983 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	984 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	985 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	986
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	987 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	988 "http3 parse frame len:%uL", st->vlint.value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	989
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	990 st->length = st->vlint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	991 if (st->length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	992 st->state = sw_type;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	993 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	994 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	995
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	996 switch (st->type) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	997
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	998 case NGX_HTTP_V3_FRAME_SETTINGS:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	999 st->state = sw_settings;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1000 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1001
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1002 case NGX_HTTP_V3_FRAME_MAX_PUSH_ID:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1003 st->state = sw_max_push_id;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1004 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1005
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1006 default:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1007 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1008 "http3 parse skip unknown frame");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1009 st->state = sw_skip;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1010 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1011
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1012 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1013
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1014 case sw_settings:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1015
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1016 rc = ngx_http_v3_parse_settings(c, &st->settings, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1017
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1018 st->length--;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1019
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1020 if (rc == NGX_AGAIN) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1021 if (st->length == 0) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1022 return NGX_HTTP_V3_ERR_SETTINGS_ERROR;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1023 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1024
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1025 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1026 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1027
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1028 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1029 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1030 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1031
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1032 if (st->length == 0) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1033 st->state = sw_type;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1034 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1035
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1036 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1037
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1038 case sw_max_push_id:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1039
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1040 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1041 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1042 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1043
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1044 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1045 "http3 parse MAX_PUSH_ID:%uL", st->vlint.value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1046
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1047 st->state = sw_type;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1048 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1049
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1050 case sw_skip:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1051
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1052 if (--st->length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1053 st->state = sw_type;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1054 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1055
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1056 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1057 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1058
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1059 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1060 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1061
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1062
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1063 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1064 ngx_http_v3_parse_settings(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1065 ngx_http_v3_parse_settings_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1066 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1067 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1068 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1069 sw_id,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1070 sw_value
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1071 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1072
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1073 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1074
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1075 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1076
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1077 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1078
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1079 st->state = sw_id;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1080
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1081 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1082
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1083 case sw_id:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1084
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1085 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1086 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1087 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1088
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1089 st->id = st->vlint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1090 st->state = sw_value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1091 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1092
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1093 case sw_value:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1094
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1095 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1096 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1097 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1098
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1099 if (ngx_http_v3_set_param(c, st->id, st->vlint.value) != NGX_OK) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1100 return NGX_HTTP_V3_ERR_SETTINGS_ERROR;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1101 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1102
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1103 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1104 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1105
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1106 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1107
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1108 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1109
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1110 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings done");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1111
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1112 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1113 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1114 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1115
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1116
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1117 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1118 ngx_http_v3_parse_encoder(ngx_connection_t c, void data, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1119 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1120 ngx_http_v3_parse_encoder_t *st = data;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1121
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1122 ngx_int_t rc;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1123 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1124 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1125 sw_inr,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1126 sw_iwnr,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1127 sw_capacity,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1128 sw_duplicate
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1129 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1130
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1131 if (st->state == sw_start) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1132
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1133 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1134 "http3 parse encoder instruction");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1135
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1136 if (ch & 0x80) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1137 /* Insert With Name Reference */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1138
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1139 st->state = sw_inr;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1140
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1141 } else if (ch & 0x40) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1142 /* Insert Without Name Reference */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1143
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1144 st->state = sw_iwnr;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1145
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1146 } else if (ch & 0x20) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1147 /* Set Dynamic Table Capacity */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1148
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1149 st->state = sw_capacity;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1150
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1151 } else {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1152 /* Duplicate */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1153
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1154 st->state = sw_duplicate;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1155 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1156 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1157
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1158 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1159
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1160 case sw_inr:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1161
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1162 rc = ngx_http_v3_parse_header_inr(c, &st->header, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1163
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1164 if (rc == NGX_AGAIN) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1165 break;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1166 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1167
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1168 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1169 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1170 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1171
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1172 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1173
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1174 case sw_iwnr:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1175
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1176 rc = ngx_http_v3_parse_header_iwnr(c, &st->header, ch);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1177
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1178 if (rc == NGX_AGAIN) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1179 break;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1180 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1181
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1182 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1183 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1184 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1185
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1186 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1187
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1188 case sw_capacity:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1189
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1190 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1191 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1192 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1193 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1194
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1195 rc = ngx_http_v3_set_capacity(c, st->pint.value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1196 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1197 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1198 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1199
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1200 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1201
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1202 case sw_duplicate:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1203
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1204 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1205 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1206 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1207 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1208
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1209 rc = ngx_http_v3_duplicate(c, st->pint.value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1210 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1211 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1212 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1213
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1214 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1215 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1216
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1217 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1218
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1219 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1220
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1221 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1222 "http3 parse encoder instruction done");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1223
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1224 st->state = sw_start;
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	1225 return NGX_AGAIN;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1226 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1227
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1228
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1229 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1230 ngx_http_v3_parse_header_inr(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1231 ngx_http_v3_parse_header_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1232 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1233 ngx_int_t rc;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1234 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1235 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1236 sw_name_index,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1237 sw_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1238 sw_read_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1239 sw_value
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1240 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1241
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1242 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1243
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1244 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1245
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1246 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header inr");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1247
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1248 st->dynamic = (ch & 0x40) ? 0 : 1;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1249 st->state = sw_name_index;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1250
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1251 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1252
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1253 case sw_name_index:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1254
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1255 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1256 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1257 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1258 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1259
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1260 st->index = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1261 st->state = sw_value_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1262 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1263
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1264 case sw_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1265
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1266 st->literal.huffman = (ch & 0x80) ? 1 : 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1267 st->state = sw_read_value_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1268
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1269 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1270
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1271 case sw_read_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1272
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1273 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1274 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1275 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1276 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1277
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1278 st->literal.length = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1279 if (st->literal.length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1280 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1281 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1282
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1283 st->state = sw_value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1284 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1285
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1286 case sw_value:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1287
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1288 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1289 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1290 return rc;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1291 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1292
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1293 st->value = st->literal.value;
5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1294 goto done;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1295 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1296
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1297 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1298
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1299 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1300
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1301 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1302 "http3 parse header inr done %s[%ui] \"%V\"",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1303 st->dynamic ? "dynamic" : "static",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1304 st->index, &st->value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1305
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1306 rc = ngx_http_v3_ref_insert(c, st->dynamic, st->index, &st->value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1307 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1308 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1309 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1310
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1311 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1312 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1313 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1314
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1315
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1316 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1317 ngx_http_v3_parse_header_iwnr(ngx_connection_t *c,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1318 ngx_http_v3_parse_header_t *st, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1319 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1320 ngx_int_t rc;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1321 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1322 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1323 sw_name_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1324 sw_name,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1325 sw_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1326 sw_read_value_len,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1327 sw_value
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1328 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1329
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1330 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1331
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1332 case sw_start:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1333
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1334 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1335 "http3 parse header iwnr");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1336
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1337 st->literal.huffman = (ch & 0x20) ? 1 : 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1338 st->state = sw_name_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1339
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1340 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1341
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1342 case sw_name_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1343
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1344 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1345 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1346 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1347 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1348
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1349 st->literal.length = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1350 if (st->literal.length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1351 return NGX_ERROR;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1352 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1353
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1354 st->state = sw_name;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1355 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1356
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1357 case sw_name:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1358
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1359 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1360 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1361 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1362 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1363
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1364 st->name = st->literal.value;
5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1365 st->state = sw_value_len;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1366 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1367
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1368 case sw_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1369
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1370 st->literal.huffman = (ch & 0x80) ? 1 : 0;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1371 st->state = sw_read_value_len;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1372
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1373 /* fall through */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1374
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1375 case sw_read_value_len:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1376
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1377 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1378 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1379 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1380 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1381
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1382 st->literal.length = st->pint.value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1383 if (st->literal.length == 0) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1384 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1385 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1386
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1387 st->state = sw_value;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1388 break;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1389
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1390 case sw_value:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1391
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1392 rc = ngx_http_v3_parse_literal(c, &st->literal, ch);
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1393 if (rc != NGX_DONE) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1394 return rc;
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1395 }
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1396
8465 5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1397 st->value = st->literal.value;
5611bbb852ce HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code. Roman Arutyunyan <arut@nginx.com> parents: 8464 diff changeset	1398 goto done;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1399 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1400
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1401 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1402
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1403 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1404
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1405 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1406 "http3 parse header iwnr done \"%V\":\"%V\"",
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1407 &st->name, &st->value);
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1408
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1409 rc = ngx_http_v3_insert(c, &st->name, &st->value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1410 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1411 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1412 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1413
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1414 st->state = sw_start;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1415 return NGX_DONE;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1416 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1417
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1418
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1419 ngx_int_t
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1420 ngx_http_v3_parse_decoder(ngx_connection_t c, void data, u_char ch)
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1421 {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1422 ngx_http_v3_parse_decoder_t *st = data;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1423
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1424 ngx_int_t rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1425 enum {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1426 sw_start = 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1427 sw_ack_header,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1428 sw_cancel_stream,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1429 sw_inc_insert_count
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1430 };
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1431
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1432 if (st->state == sw_start) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1433
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1434 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1435 "http3 parse decoder instruction");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1436
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1437 if (ch & 0x80) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1438 /* Header Acknowledgement */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1439
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1440 st->state = sw_ack_header;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1441
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1442 } else if (ch & 0x40) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1443 /* Stream Cancellation */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1444
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1445 st->state = sw_cancel_stream;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1446
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1447 } else {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1448 /* Insert Count Increment */
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1449
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1450 st->state = sw_inc_insert_count;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1451 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1452 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1453
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1454 switch (st->state) {
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1455
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1456 case sw_ack_header:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1457
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1458 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1459 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1460 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1461 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1462
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1463 rc = ngx_http_v3_ack_header(c, st->pint.value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1464 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1465 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1466 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1467
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1468 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1469
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1470 case sw_cancel_stream:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1471
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1472 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1473 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1474 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1475 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1476
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1477 rc = ngx_http_v3_cancel_stream(c, st->pint.value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1478 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1479 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1480 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1481
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1482 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1483
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1484 case sw_inc_insert_count:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1485
8464 fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1486 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch);
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1487 if (rc != NGX_DONE) {
fdb8edc8e496 HTTP/3: limited prefixed integer size by 62 bits. Roman Arutyunyan <arut@nginx.com> parents: 8463 diff changeset	1488 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1489 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1490
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1491 rc = ngx_http_v3_inc_insert_count(c, st->pint.value);
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1492 if (rc != NGX_OK) {
72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1493 return rc;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1494 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1495
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1496 goto done;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1497 }
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1498
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1499 return NGX_AGAIN;
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1500
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1501 done:
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1502
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1503 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1504 "http3 parse decoder instruction done");
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1505
268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1506 st->state = sw_start;
8456 c9538aef3211 HTTP/3: refactored dynamic table implementation. Roman Arutyunyan <arut@nginx.com> parents: 8455 diff changeset	1507 return NGX_AGAIN;
8226 268f4389130d Refactored HTTP/3 parser. Roman Arutyunyan <arut@nginx.com> parents: diff changeset	1508 }
8295 5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1509
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1510
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1511 ngx_int_t
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1512 ngx_http_v3_parse_data(ngx_connection_t c, ngx_http_v3_parse_data_t st,
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1513 u_char ch)
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1514 {
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1515 enum {
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1516 sw_start = 0,
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1517 sw_type,
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1518 sw_length
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1519 };
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1520
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1521 switch (st->state) {
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1522
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1523 case sw_start:
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1524
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1525 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse data");
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1526
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1527 st->state = sw_type;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1528
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1529 /* fall through */
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1530
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1531 case sw_type:
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1532
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1533 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1534 break;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1535 }
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1536
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1537 if (st->vlint.value != NGX_HTTP_V3_FRAME_DATA) {
8460 72f9ff4e0a88 HTTP/3: close QUIC connection with HTTP/QPACK errors when needed. Roman Arutyunyan <arut@nginx.com> parents: 8457 diff changeset	1538 return NGX_HTTP_V3_ERR_FRAME_UNEXPECTED;
8295 5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1539 }
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1540
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1541 st->state = sw_length;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1542 break;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1543
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1544 case sw_length:
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1545
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1546 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) {
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1547 break;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1548 }
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1549
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1550 st->length = st->vlint.value;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1551
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1552 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1553 "http3 parse data frame len:%ui", st->length);
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1554
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1555 goto done;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1556 }
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1557
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1558 return NGX_AGAIN;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1559
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1560 done:
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1561
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1562 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse data done");
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1563
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1564 st->state = sw_start;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1565 return NGX_DONE;
5649079a41f4 Parsing HTTP/3 request body. Roman Arutyunyan <arut@nginx.com> parents: 8227 diff changeset	1566 }

Mercurial > hg > nginx

annotate src/http/v3/ngx_http_v3_parse.c @ 8465:5611bbb852ce quic