Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_parse.c @ 8549:d70a38acaea0 quic
HTTP/3: skip unknown frames on request stream.
As per HTTP/3 draft 29, section 4.1:
Frames of unknown types (Section 9), including reserved frames
(Section 7.2.8) MAY be sent on a request or push stream before,
after, or interleaved with other frames described in this section.
Also, trailers frame is now used as an indication of the request body end.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Mon, 24 Aug 2020 09:56:36 +0300 |
| parents | 0596fe1aee16 |
| children | 234e9d89ff7f |
| rev | line source |
|---|---|
| 8226 | 1 |
| 2 /* | |
| 3 * Copyright (C) Roman Arutyunyan | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_http.h> | |
| 11 | |
| 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 | 17 ngx_int_t |
| 18 ngx_http_v3_parse_varlen_int(ngx_connection_t *c, | |
| 19 ngx_http_v3_parse_varlen_int_t *st, u_char ch) | |
| 20 { | |
| 21 enum { | |
| 22 sw_start = 0, | |
| 23 sw_length_2, | |
| 24 sw_length_3, | |
| 25 sw_length_4, | |
| 26 sw_length_5, | |
| 27 sw_length_6, | |
| 28 sw_length_7, | |
| 29 sw_length_8 | |
| 30 }; | |
| 31 | |
| 32 switch (st->state) { | |
| 33 | |
| 34 case sw_start: | |
| 35 | |
| 36 st->value = ch; | |
| 37 if (st->value & 0xc0) { | |
| 38 st->state = sw_length_2; | |
| 39 break; | |
| 40 } | |
| 41 | |
| 42 goto done; | |
| 43 | |
| 44 case sw_length_2: | |
| 45 | |
| 46 st->value = (st->value << 8) + ch; | |
| 47 if ((st->value & 0xc000) == 0x4000) { | |
| 48 st->value &= 0x3fff; | |
| 49 goto done; | |
| 50 } | |
| 51 | |
| 52 st->state = sw_length_3; | |
| 53 break; | |
| 54 | |
| 55 case sw_length_4: | |
| 56 | |
| 57 st->value = (st->value << 8) + ch; | |
| 58 if ((st->value & 0xc0000000) == 0x80000000) { | |
| 59 st->value &= 0x3fffffff; | |
| 60 goto done; | |
| 61 } | |
| 62 | |
| 63 st->state = sw_length_5; | |
| 64 break; | |
| 65 | |
| 66 case sw_length_3: | |
| 67 case sw_length_5: | |
| 68 case sw_length_6: | |
| 69 case sw_length_7: | |
| 70 | |
| 71 st->value = (st->value << 8) + ch; | |
| 72 st->state++; | |
| 73 break; | |
| 74 | |
| 75 case sw_length_8: | |
| 76 | |
| 77 st->value = (st->value << 8) + ch; | |
| 78 st->value &= 0x3fffffffffffffff; | |
| 79 goto done; | |
| 80 } | |
| 81 | |
| 82 return NGX_AGAIN; | |
| 83 | |
| 84 done: | |
| 85 | |
| 86 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 87 "http3 parse varlen int %uL", st->value); | |
| 88 | |
| 89 st->state = sw_start; | |
| 90 return NGX_DONE; | |
| 91 } | |
| 92 | |
| 93 | |
| 94 ngx_int_t | |
| 95 ngx_http_v3_parse_prefix_int(ngx_connection_t *c, | |
| 96 ngx_http_v3_parse_prefix_int_t *st, ngx_uint_t prefix, u_char ch) | |
| 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 | 99 enum { |
| 100 sw_start = 0, | |
| 101 sw_value | |
| 102 }; | |
| 103 | |
| 104 switch (st->state) { | |
| 105 | |
| 106 case sw_start: | |
| 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 | 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 | 112 goto done; |
| 113 } | |
| 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 | 116 st->state = sw_value; |
| 117 break; | |
| 118 | |
| 119 case sw_value: | |
| 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 | 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 | 133 break; |
| 134 } | |
| 135 | |
| 136 goto done; | |
| 137 } | |
| 138 | |
| 139 return NGX_AGAIN; | |
| 140 | |
| 141 done: | |
| 142 | |
| 143 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 144 "http3 parse prefix int %uL", st->value); | |
| 145 | |
| 146 st->state = sw_start; | |
| 147 return NGX_DONE; | |
| 148 } | |
| 149 | |
| 150 | |
| 151 ngx_int_t | |
| 152 ngx_http_v3_parse_headers(ngx_connection_t *c, ngx_http_v3_parse_headers_t *st, | |
| 153 u_char ch) | |
| 154 { | |
| 155 ngx_int_t rc; | |
| 156 enum { | |
| 157 sw_start = 0, | |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
158 sw_type, |
| 8226 | 159 sw_length, |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
160 sw_skip, |
| 8226 | 161 sw_prefix, |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
162 sw_verify, |
| 8226 | 163 sw_header_rep, |
| 164 sw_done | |
| 165 }; | |
| 166 | |
| 167 switch (st->state) { | |
| 168 | |
| 169 case sw_start: | |
| 170 | |
| 171 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers"); | |
| 172 | |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
173 st->state = sw_type; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
174 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
175 /* fall through */ |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
176 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
177 case sw_type: |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
178 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
179 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
180 if (rc != NGX_DONE) { |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
181 return rc; |
| 8226 | 182 } |
| 183 | |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
184 st->type = st->vlint.value; |
| 8226 | 185 st->state = sw_length; |
| 186 break; | |
| 187 | |
| 188 case sw_length: | |
| 189 | |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
190 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
191 if (rc != NGX_DONE) { |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
192 return rc; |
| 8226 | 193 } |
| 194 | |
| 195 st->length = st->vlint.value; | |
| 196 | |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
197 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
198 "http3 parse headers type:%ui, len:%ui", |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
199 st->type, st->length); |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
200 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
201 if (st->type != NGX_HTTP_V3_FRAME_HEADERS) { |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
202 st->state = st->length > 0 ? sw_skip : sw_type; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
203 break; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
204 } |
| 8226 | 205 |
| 206 st->state = sw_prefix; | |
| 207 break; | |
| 208 | |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
209 case sw_skip: |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
210 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
211 if (--st->length == 0) { |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
212 st->state = sw_type; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
213 } |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
214 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
215 break; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
216 |
| 8226 | 217 case sw_prefix: |
| 218 | |
| 219 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
|
220 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
| 8226 | 221 } |
| 222 | |
| 223 rc = ngx_http_v3_parse_header_block_prefix(c, &st->prefix, ch); | |
| 224 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
|
225 return rc; |
| 8226 | 226 } |
| 227 | |
| 228 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
|
229 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
| 8226 | 230 } |
| 231 | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
232 st->state = sw_verify; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
233 break; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
234 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
235 case sw_verify: |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
236 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
237 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
|
238 if (rc != NGX_OK) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
239 return rc; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
240 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
241 |
| 8226 | 242 st->state = sw_header_rep; |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
243 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
244 /* fall through */ |
| 8226 | 245 |
| 246 case sw_header_rep: | |
| 247 | |
| 248 rc = ngx_http_v3_parse_header_rep(c, &st->header_rep, st->prefix.base, | |
| 249 ch); | |
| 250 | |
|
8467
e02250b55b17
HTTP/3: simplified handling return codes from parse functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8466
diff
changeset
|
251 if (--st->length == 0 && rc == NGX_AGAIN) { |
|
e02250b55b17
HTTP/3: simplified handling return codes from parse functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8466
diff
changeset
|
252 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
| 8226 | 253 } |
| 254 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
255 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
|
256 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
257 } |
| 8226 | 258 |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
259 if (st->length == 0) { |
| 8226 | 260 goto done; |
| 261 } | |
| 262 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
263 return NGX_OK; |
| 8226 | 264 } |
| 265 | |
| 266 return NGX_AGAIN; | |
| 267 | |
| 268 done: | |
| 269 | |
| 270 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers done"); | |
| 271 | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
272 if (st->prefix.insert_count > 0) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
273 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
|
274 return NGX_ERROR; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
275 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
276 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
277 |
| 8226 | 278 st->state = sw_start; |
| 279 return NGX_DONE; | |
| 280 } | |
| 281 | |
| 282 | |
| 283 ngx_int_t | |
| 284 ngx_http_v3_parse_header_block_prefix(ngx_connection_t *c, | |
| 285 ngx_http_v3_parse_header_block_prefix_t *st, u_char ch) | |
| 286 { | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
287 ngx_int_t rc; |
| 8226 | 288 enum { |
| 289 sw_start = 0, | |
| 290 sw_req_insert_count, | |
| 291 sw_delta_base, | |
| 292 sw_read_delta_base | |
| 293 }; | |
| 294 | |
| 295 switch (st->state) { | |
| 296 | |
| 297 case sw_start: | |
| 298 | |
| 299 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 300 "http3 parse header block prefix"); | |
| 301 | |
| 302 st->state = sw_req_insert_count; | |
| 303 | |
| 304 /* fall through */ | |
| 305 | |
| 306 case sw_req_insert_count: | |
| 307 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
308 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
|
309 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
310 return rc; |
| 8226 | 311 } |
| 312 | |
| 313 st->insert_count = st->pint.value; | |
| 314 st->state = sw_delta_base; | |
| 315 break; | |
| 316 | |
| 317 case sw_delta_base: | |
| 318 | |
| 319 st->sign = (ch & 0x80) ? 1 : 0; | |
| 320 st->state = sw_read_delta_base; | |
| 321 | |
| 322 /* fall through */ | |
| 323 | |
| 324 case sw_read_delta_base: | |
| 325 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
326 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
|
327 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
328 return rc; |
| 8226 | 329 } |
| 330 | |
| 331 st->delta_base = st->pint.value; | |
| 332 goto done; | |
| 333 } | |
| 334 | |
| 335 return NGX_AGAIN; | |
| 336 | |
| 337 done: | |
| 338 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
339 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
|
340 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
|
341 return rc; |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
342 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
343 |
| 8226 | 344 if (st->sign) { |
| 345 st->base = st->insert_count - st->delta_base - 1; | |
| 346 } else { | |
| 347 st->base = st->insert_count + st->delta_base; | |
| 348 } | |
| 349 | |
| 350 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 351 "http3 parse header block prefix done " | |
|
8478
d2f716e668e8
Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8467
diff
changeset
|
352 "insert_count:%ui, sign:%ui, delta_base:%ui, base:%ui", |
| 8226 | 353 st->insert_count, st->sign, st->delta_base, st->base); |
| 354 | |
| 355 st->state = sw_start; | |
| 356 return NGX_DONE; | |
| 357 } | |
| 358 | |
| 359 | |
| 360 ngx_int_t | |
| 361 ngx_http_v3_parse_header_rep(ngx_connection_t *c, | |
| 362 ngx_http_v3_parse_header_rep_t *st, ngx_uint_t base, u_char ch) | |
| 363 { | |
| 364 ngx_int_t rc; | |
| 365 enum { | |
| 366 sw_start = 0, | |
| 367 sw_header_ri, | |
| 368 sw_header_lri, | |
| 369 sw_header_l, | |
| 370 sw_header_pbi, | |
| 371 sw_header_lpbi | |
| 372 }; | |
| 373 | |
| 374 if (st->state == sw_start) { | |
| 375 | |
| 376 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 377 "http3 parse header representation"); | |
| 378 | |
| 379 ngx_memzero(&st->header, sizeof(ngx_http_v3_parse_header_t)); | |
| 380 | |
| 381 st->header.base = base; | |
| 382 | |
| 383 if (ch & 0x80) { | |
| 384 /* Indexed Header Field */ | |
| 385 | |
| 386 st->state = sw_header_ri; | |
| 387 | |
| 388 } else if (ch & 0x40) { | |
| 389 /* Literal Header Field With Name Reference */ | |
| 390 | |
| 391 st->state = sw_header_lri; | |
| 392 | |
| 393 } else if (ch & 0x20) { | |
| 394 /* Literal Header Field Without Name Reference */ | |
| 395 | |
| 396 st->state = sw_header_l; | |
| 397 | |
| 398 } else if (ch & 0x10) { | |
| 399 /* Indexed Header Field With Post-Base Index */ | |
| 400 | |
| 401 st->state = sw_header_pbi; | |
| 402 | |
| 403 } else { | |
| 404 /* Literal Header Field With Post-Base Name Reference */ | |
| 405 | |
| 406 st->state = sw_header_lpbi; | |
| 407 } | |
| 408 } | |
| 409 | |
| 410 switch (st->state) { | |
| 411 | |
| 412 case sw_header_ri: | |
| 413 rc = ngx_http_v3_parse_header_ri(c, &st->header, ch); | |
| 414 break; | |
| 415 | |
| 416 case sw_header_lri: | |
| 417 rc = ngx_http_v3_parse_header_lri(c, &st->header, ch); | |
| 418 break; | |
| 419 | |
| 420 case sw_header_l: | |
| 421 rc = ngx_http_v3_parse_header_l(c, &st->header, ch); | |
| 422 break; | |
| 423 | |
| 424 case sw_header_pbi: | |
| 425 rc = ngx_http_v3_parse_header_pbi(c, &st->header, ch); | |
| 426 break; | |
| 427 | |
| 428 case sw_header_lpbi: | |
| 429 rc = ngx_http_v3_parse_header_lpbi(c, &st->header, ch); | |
| 430 break; | |
| 431 | |
| 432 default: | |
| 433 rc = NGX_OK; | |
| 434 } | |
| 435 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
436 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
|
437 return rc; |
| 8226 | 438 } |
| 439 | |
| 440 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 441 "http3 parse header representation done"); | |
| 442 | |
| 443 st->state = sw_start; | |
| 444 return NGX_DONE; | |
| 445 } | |
| 446 | |
| 447 | |
| 448 ngx_int_t | |
| 449 ngx_http_v3_parse_literal(ngx_connection_t *c, ngx_http_v3_parse_literal_t *st, | |
| 450 u_char ch) | |
| 451 { | |
|
8454
032cb35ce758
HTTP/3: http3_max_field_size directive to limit string size.
Roman Arutyunyan <arut@nginx.com>
parents:
8295
diff
changeset
|
452 ngx_uint_t n; |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8478
diff
changeset
|
453 ngx_http_v3_srv_conf_t *h3scf; |
| 8226 | 454 enum { |
| 455 sw_start = 0, | |
| 456 sw_value | |
| 457 }; | |
| 458 | |
| 459 switch (st->state) { | |
| 460 | |
| 461 case sw_start: | |
| 462 | |
| 463 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 464 "http3 parse literal huff:%ui, len:%ui", | |
| 465 st->huffman, st->length); | |
| 466 | |
| 467 n = st->length; | |
| 468 | |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8478
diff
changeset
|
469 h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
|
8454
032cb35ce758
HTTP/3: http3_max_field_size directive to limit string size.
Roman Arutyunyan <arut@nginx.com>
parents:
8295
diff
changeset
|
470 |
|
8492
65c1fc5fae15
HTTP/3: renamed server configuration variables from v3cf to h3scf.
Roman Arutyunyan <arut@nginx.com>
parents:
8478
diff
changeset
|
471 if (n > h3scf->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
|
472 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
|
473 "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
|
474 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
|
475 } |
|
032cb35ce758
HTTP/3: http3_max_field_size directive to limit string size.
Roman Arutyunyan <arut@nginx.com>
parents:
8295
diff
changeset
|
476 |
| 8226 | 477 if (st->huffman) { |
| 478 n = n * 8 / 5; | |
| 479 st->huffstate = 0; | |
| 480 } | |
| 481 | |
| 482 st->last = ngx_pnalloc(c->pool, n + 1); | |
| 483 if (st->last == NULL) { | |
| 484 return NGX_ERROR; | |
| 485 } | |
| 486 | |
| 487 st->value.data = st->last; | |
| 488 st->state = sw_value; | |
| 489 | |
| 490 /* fall through */ | |
| 491 | |
| 492 case sw_value: | |
| 493 | |
| 494 if (st->huffman) { | |
| 495 if (ngx_http_v2_huff_decode(&st->huffstate, &ch, 1, &st->last, | |
| 496 st->length == 1, c->log) | |
| 497 != NGX_OK) | |
| 498 { | |
| 499 return NGX_ERROR; | |
| 500 } | |
| 501 | |
| 502 } else { | |
| 503 *st->last++ = ch; | |
| 504 } | |
| 505 | |
| 506 if (--st->length) { | |
| 507 break; | |
| 508 } | |
| 509 | |
| 510 st->value.len = st->last - st->value.data; | |
| 511 *st->last = '\0'; | |
| 512 goto done; | |
| 513 } | |
| 514 | |
| 515 return NGX_AGAIN; | |
| 516 | |
| 517 done: | |
| 518 | |
| 519 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 520 "http3 parse literal done \"%V\"", &st->value); | |
| 521 | |
| 522 st->state = sw_start; | |
| 523 return NGX_DONE; | |
| 524 } | |
| 525 | |
| 526 | |
| 527 ngx_int_t | |
| 528 ngx_http_v3_parse_header_ri(ngx_connection_t *c, ngx_http_v3_parse_header_t *st, | |
| 529 u_char ch) | |
| 530 { | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
531 ngx_int_t rc; |
| 8226 | 532 enum { |
| 533 sw_start = 0, | |
| 534 sw_index | |
| 535 }; | |
| 536 | |
| 537 switch (st->state) { | |
| 538 | |
| 539 case sw_start: | |
| 540 | |
| 541 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header ri"); | |
| 542 | |
| 543 st->dynamic = (ch & 0x40) ? 0 : 1; | |
| 544 st->state = sw_index; | |
| 545 | |
| 546 /* fall through */ | |
| 547 | |
| 548 case sw_index: | |
| 549 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
550 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
|
551 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
552 return rc; |
| 8226 | 553 } |
| 554 | |
| 555 st->index = st->pint.value; | |
| 556 goto done; | |
| 557 } | |
| 558 | |
| 559 return NGX_AGAIN; | |
| 560 | |
| 561 done: | |
| 562 | |
| 563 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 564 "http3 parse header ri done %s%ui]", | |
| 565 st->dynamic ? "dynamic[-" : "static[", st->index); | |
| 566 | |
| 567 if (st->dynamic) { | |
| 568 st->index = st->base - st->index - 1; | |
| 569 } | |
| 570 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
571 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
|
572 &st->value); |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
573 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
|
574 return rc; |
| 8226 | 575 } |
| 576 | |
| 577 st->state = sw_start; | |
| 578 return NGX_DONE; | |
| 579 } | |
| 580 | |
| 581 | |
| 582 ngx_int_t | |
| 583 ngx_http_v3_parse_header_lri(ngx_connection_t *c, | |
| 584 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 585 { | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
586 ngx_int_t rc; |
| 8226 | 587 enum { |
| 588 sw_start = 0, | |
| 589 sw_index, | |
| 590 sw_value_len, | |
| 591 sw_read_value_len, | |
| 592 sw_value | |
| 593 }; | |
| 594 | |
| 595 switch (st->state) { | |
| 596 | |
| 597 case sw_start: | |
| 598 | |
| 599 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header lri"); | |
| 600 | |
| 601 st->dynamic = (ch & 0x10) ? 0 : 1; | |
| 602 st->state = sw_index; | |
| 603 | |
| 604 /* fall through */ | |
| 605 | |
| 606 case sw_index: | |
| 607 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
608 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
|
609 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
610 return rc; |
| 8226 | 611 } |
| 612 | |
| 613 st->index = st->pint.value; | |
| 614 st->state = sw_value_len; | |
| 615 break; | |
| 616 | |
| 617 case sw_value_len: | |
| 618 | |
| 619 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 620 st->state = sw_read_value_len; | |
| 621 | |
| 622 /* fall through */ | |
| 623 | |
| 624 case sw_read_value_len: | |
| 625 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
626 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
|
627 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
628 return rc; |
| 8226 | 629 } |
| 630 | |
| 631 st->literal.length = st->pint.value; | |
| 632 if (st->literal.length == 0) { | |
| 633 goto done; | |
| 634 } | |
| 635 | |
| 636 st->state = sw_value; | |
| 637 break; | |
| 638 | |
| 639 case sw_value: | |
| 640 | |
| 641 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
|
642 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
|
643 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
644 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
645 |
|
8465
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
8464
diff
changeset
|
646 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
|
647 goto done; |
| 8226 | 648 } |
| 649 | |
| 650 return NGX_AGAIN; | |
| 651 | |
| 652 done: | |
| 653 | |
| 654 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 655 "http3 parse header lri done %s%ui] \"%V\"", | |
| 656 st->dynamic ? "dynamic[-" : "static[", | |
| 657 st->index, &st->value); | |
| 658 | |
| 659 if (st->dynamic) { | |
| 660 st->index = st->base - st->index - 1; | |
| 661 } | |
| 662 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
663 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
|
664 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
|
665 return rc; |
| 8226 | 666 } |
| 667 | |
| 668 st->state = sw_start; | |
| 669 return NGX_DONE; | |
| 670 } | |
| 671 | |
| 672 | |
| 673 ngx_int_t | |
| 674 ngx_http_v3_parse_header_l(ngx_connection_t *c, | |
| 675 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 676 { | |
| 677 ngx_int_t rc; | |
| 678 enum { | |
| 679 sw_start = 0, | |
| 680 sw_name_len, | |
| 681 sw_name, | |
| 682 sw_value_len, | |
| 683 sw_read_value_len, | |
| 684 sw_value | |
| 685 }; | |
| 686 | |
| 687 switch (st->state) { | |
| 688 | |
| 689 case sw_start: | |
| 690 | |
| 691 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header l"); | |
| 692 | |
| 693 st->literal.huffman = (ch & 0x08) ? 1 : 0; | |
| 694 st->state = sw_name_len; | |
| 695 | |
| 696 /* fall through */ | |
| 697 | |
| 698 case sw_name_len: | |
| 699 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
700 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
|
701 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
702 return rc; |
| 8226 | 703 } |
| 704 | |
| 705 st->literal.length = st->pint.value; | |
| 706 if (st->literal.length == 0) { | |
| 707 return NGX_ERROR; | |
| 708 } | |
| 709 | |
| 710 st->state = sw_name; | |
| 711 break; | |
| 712 | |
| 713 case sw_name: | |
| 714 | |
| 715 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
|
716 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
|
717 return rc; |
| 8226 | 718 } |
| 719 | |
|
8465
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
8464
diff
changeset
|
720 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
|
721 st->state = sw_value_len; |
| 8226 | 722 break; |
| 723 | |
| 724 case sw_value_len: | |
| 725 | |
| 726 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 727 st->state = sw_read_value_len; | |
| 728 | |
| 729 /* fall through */ | |
| 730 | |
| 731 case sw_read_value_len: | |
| 732 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
733 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
|
734 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
735 return rc; |
| 8226 | 736 } |
| 737 | |
| 738 st->literal.length = st->pint.value; | |
| 739 if (st->literal.length == 0) { | |
| 740 goto done; | |
| 741 } | |
| 742 | |
| 743 st->state = sw_value; | |
| 744 break; | |
| 745 | |
| 746 case sw_value: | |
| 747 | |
| 748 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
|
749 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
|
750 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
751 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
752 |
|
8465
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
8464
diff
changeset
|
753 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
|
754 goto done; |
| 8226 | 755 } |
| 756 | |
| 757 return NGX_AGAIN; | |
| 758 | |
| 759 done: | |
| 760 | |
| 761 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 762 "http3 parse header l done \"%V\" \"%V\"", | |
| 763 &st->name, &st->value); | |
| 764 | |
| 765 st->state = sw_start; | |
| 766 return NGX_DONE; | |
| 767 } | |
| 768 | |
| 769 | |
| 770 ngx_int_t | |
| 771 ngx_http_v3_parse_header_pbi(ngx_connection_t *c, | |
| 772 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 773 { | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
774 ngx_int_t rc; |
| 8226 | 775 enum { |
| 776 sw_start = 0, | |
| 777 sw_index | |
| 778 }; | |
| 779 | |
| 780 switch (st->state) { | |
| 781 | |
| 782 case sw_start: | |
| 783 | |
| 784 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header pbi"); | |
| 785 | |
| 786 st->state = sw_index; | |
| 787 | |
| 788 /* fall through */ | |
| 789 | |
| 790 case sw_index: | |
| 791 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
792 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
|
793 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
794 return rc; |
| 8226 | 795 } |
| 796 | |
| 797 st->index = st->pint.value; | |
| 798 goto done; | |
| 799 } | |
| 800 | |
| 801 return NGX_AGAIN; | |
| 802 | |
| 803 done: | |
| 804 | |
| 805 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 806 "http3 parse header pbi done dynamic[+%ui]", st->index); | |
| 807 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
808 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
|
809 &st->value); |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
810 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
|
811 return rc; |
| 8226 | 812 } |
| 813 | |
| 814 st->state = sw_start; | |
| 815 return NGX_DONE; | |
| 816 } | |
| 817 | |
| 818 | |
| 819 ngx_int_t | |
| 820 ngx_http_v3_parse_header_lpbi(ngx_connection_t *c, | |
| 821 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 822 { | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
823 ngx_int_t rc; |
| 8226 | 824 enum { |
| 825 sw_start = 0, | |
| 826 sw_index, | |
| 827 sw_value_len, | |
| 828 sw_read_value_len, | |
| 829 sw_value | |
| 830 }; | |
| 831 | |
| 832 switch (st->state) { | |
| 833 | |
| 834 case sw_start: | |
| 835 | |
| 836 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 837 "http3 parse header lpbi"); | |
| 838 | |
| 839 st->state = sw_index; | |
| 840 | |
| 841 /* fall through */ | |
| 842 | |
| 843 case sw_index: | |
| 844 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
845 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
|
846 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
847 return rc; |
| 8226 | 848 } |
| 849 | |
| 850 st->index = st->pint.value; | |
| 851 st->state = sw_value_len; | |
| 852 break; | |
| 853 | |
| 854 case sw_value_len: | |
| 855 | |
| 856 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 857 st->state = sw_read_value_len; | |
| 858 | |
| 859 /* fall through */ | |
| 860 | |
| 861 case sw_read_value_len: | |
| 862 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
863 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
|
864 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
865 return rc; |
| 8226 | 866 } |
| 867 | |
| 868 st->literal.length = st->pint.value; | |
| 869 if (st->literal.length == 0) { | |
| 870 goto done; | |
| 871 } | |
| 872 | |
| 873 st->state = sw_value; | |
| 874 break; | |
| 875 | |
| 876 case sw_value: | |
| 877 | |
| 878 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
|
879 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
|
880 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
881 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
882 |
|
8465
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
8464
diff
changeset
|
883 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
|
884 goto done; |
| 8226 | 885 } |
| 886 | |
| 887 return NGX_AGAIN; | |
| 888 | |
| 889 done: | |
| 890 | |
| 891 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 892 "http3 parse header lpbi done dynamic[+%ui] \"%V\"", | |
| 893 st->index, &st->value); | |
| 894 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
895 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
|
896 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
|
897 return rc; |
| 8226 | 898 } |
| 899 | |
| 900 st->state = sw_start; | |
| 901 return NGX_DONE; | |
| 902 } | |
| 903 | |
| 904 | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
905 static ngx_int_t |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
906 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
|
907 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
|
908 { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
909 u_char *p; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
910 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
911 if (!dynamic) { |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
912 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
|
913 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
|
914 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
915 |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
916 return NGX_OK; |
|
8456
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 (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
|
920 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
921 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
922 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
923 if (name) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
924 p = ngx_pnalloc(c->pool, name->len + 1); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
925 if (p == NULL) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
926 return NGX_ERROR; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
927 } |
|
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 ngx_memcpy(p, name->data, name->len); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
930 p[name->len] = '\0'; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
931 name->data = p; |
|
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 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
934 if (value) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
935 p = ngx_pnalloc(c->pool, value->len + 1); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
936 if (p == NULL) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
937 return NGX_ERROR; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
938 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
939 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
940 ngx_memcpy(p, value->data, value->len); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
941 p[value->len] = '\0'; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
942 value->data = p; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
943 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
944 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
945 return NGX_OK; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
946 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
947 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
948 |
| 8226 | 949 ngx_int_t |
| 950 ngx_http_v3_parse_control(ngx_connection_t *c, void *data, u_char ch) | |
| 951 { | |
| 952 ngx_http_v3_parse_control_t *st = data; | |
| 953 | |
| 954 ngx_int_t rc; | |
| 955 enum { | |
| 956 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
|
957 sw_first_type, |
| 8226 | 958 sw_type, |
| 959 sw_length, | |
| 8497 | 960 sw_cancel_push, |
| 8226 | 961 sw_settings, |
| 962 sw_max_push_id, | |
| 963 sw_skip | |
| 964 }; | |
| 965 | |
| 966 switch (st->state) { | |
| 967 | |
| 968 case sw_start: | |
| 969 | |
| 970 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse control"); | |
| 971 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
972 st->state = sw_first_type; |
| 8226 | 973 |
| 974 /* fall through */ | |
| 975 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
976 case sw_first_type: |
| 8226 | 977 case sw_type: |
| 978 | |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
979 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
980 if (rc != NGX_DONE) { |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
981 return rc; |
| 8226 | 982 } |
| 983 | |
| 984 st->type = st->vlint.value; | |
| 985 | |
| 986 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 987 "http3 parse frame type:%ui", st->type); | |
| 988 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
989 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
|
990 && 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
|
991 { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
992 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
|
993 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
994 |
| 8226 | 995 st->state = sw_length; |
| 996 break; | |
| 997 | |
| 998 case sw_length: | |
| 999 | |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1000 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1001 if (rc != NGX_DONE) { |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1002 return rc; |
| 8226 | 1003 } |
| 1004 | |
| 1005 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1006 "http3 parse frame len:%uL", st->vlint.value); | |
| 1007 | |
| 1008 st->length = st->vlint.value; | |
| 1009 if (st->length == 0) { | |
| 1010 st->state = sw_type; | |
| 1011 break; | |
| 1012 } | |
| 1013 | |
| 1014 switch (st->type) { | |
| 1015 | |
| 8497 | 1016 case NGX_HTTP_V3_FRAME_CANCEL_PUSH: |
| 1017 st->state = sw_cancel_push; | |
| 1018 break; | |
| 1019 | |
| 8226 | 1020 case NGX_HTTP_V3_FRAME_SETTINGS: |
| 1021 st->state = sw_settings; | |
| 1022 break; | |
| 1023 | |
| 1024 case NGX_HTTP_V3_FRAME_MAX_PUSH_ID: | |
| 1025 st->state = sw_max_push_id; | |
| 1026 break; | |
| 1027 | |
| 1028 default: | |
| 1029 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1030 "http3 parse skip unknown frame"); | |
| 1031 st->state = sw_skip; | |
| 1032 } | |
| 1033 | |
| 1034 break; | |
| 1035 | |
| 8497 | 1036 case sw_cancel_push: |
| 1037 | |
| 1038 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); | |
| 1039 | |
| 1040 if (--st->length == 0 && rc == NGX_AGAIN) { | |
| 1041 return NGX_HTTP_V3_ERR_FRAME_ERROR; | |
| 1042 } | |
| 1043 | |
| 1044 if (rc != NGX_DONE) { | |
| 1045 return rc; | |
| 1046 } | |
| 1047 | |
| 1048 rc = ngx_http_v3_cancel_push(c, st->vlint.value); | |
| 1049 if (rc != NGX_OK) { | |
| 1050 return rc; | |
| 1051 } | |
| 1052 | |
| 1053 st->state = sw_type; | |
| 1054 break; | |
| 1055 | |
| 8226 | 1056 case sw_settings: |
| 1057 | |
| 1058 rc = ngx_http_v3_parse_settings(c, &st->settings, ch); | |
| 1059 | |
|
8467
e02250b55b17
HTTP/3: simplified handling return codes from parse functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8466
diff
changeset
|
1060 if (--st->length == 0 && rc == NGX_AGAIN) { |
|
e02250b55b17
HTTP/3: simplified handling return codes from parse functions.
Roman Arutyunyan <arut@nginx.com>
parents:
8466
diff
changeset
|
1061 return NGX_HTTP_V3_ERR_SETTINGS_ERROR; |
| 8226 | 1062 } |
| 1063 | |
| 1064 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
|
1065 return rc; |
| 8226 | 1066 } |
| 1067 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1068 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
|
1069 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
|
1070 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1071 |
| 8226 | 1072 break; |
| 1073 | |
| 1074 case sw_max_push_id: | |
| 1075 | |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1076 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
| 8497 | 1077 |
| 1078 if (--st->length == 0 && rc == NGX_AGAIN) { | |
| 1079 return NGX_HTTP_V3_ERR_FRAME_ERROR; | |
| 1080 } | |
| 1081 | |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1082 if (rc != NGX_DONE) { |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1083 return rc; |
| 8226 | 1084 } |
| 1085 | |
| 8497 | 1086 rc = ngx_http_v3_set_max_push_id(c, st->vlint.value); |
| 1087 if (rc != NGX_OK) { | |
| 1088 return rc; | |
| 1089 } | |
| 8226 | 1090 |
| 1091 st->state = sw_type; | |
| 1092 break; | |
| 1093 | |
| 1094 case sw_skip: | |
| 1095 | |
| 1096 if (--st->length == 0) { | |
| 1097 st->state = sw_type; | |
| 1098 } | |
| 1099 | |
| 1100 break; | |
| 1101 } | |
| 1102 | |
| 1103 return NGX_AGAIN; | |
| 1104 } | |
| 1105 | |
| 1106 | |
| 1107 ngx_int_t | |
| 1108 ngx_http_v3_parse_settings(ngx_connection_t *c, | |
| 1109 ngx_http_v3_parse_settings_t *st, u_char ch) | |
| 1110 { | |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1111 ngx_int_t rc; |
| 8226 | 1112 enum { |
| 1113 sw_start = 0, | |
| 1114 sw_id, | |
| 1115 sw_value | |
| 1116 }; | |
| 1117 | |
| 1118 switch (st->state) { | |
| 1119 | |
| 1120 case sw_start: | |
| 1121 | |
| 1122 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings"); | |
| 1123 | |
| 1124 st->state = sw_id; | |
| 1125 | |
| 1126 /* fall through */ | |
| 1127 | |
| 1128 case sw_id: | |
| 1129 | |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1130 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1131 if (rc != NGX_DONE) { |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1132 return rc; |
| 8226 | 1133 } |
| 1134 | |
| 1135 st->id = st->vlint.value; | |
| 1136 st->state = sw_value; | |
| 1137 break; | |
| 1138 | |
| 1139 case sw_value: | |
| 1140 | |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1141 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1142 if (rc != NGX_DONE) { |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1143 return rc; |
| 8226 | 1144 } |
| 1145 | |
| 1146 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
|
1147 return NGX_HTTP_V3_ERR_SETTINGS_ERROR; |
| 8226 | 1148 } |
| 1149 | |
| 1150 goto done; | |
| 1151 } | |
| 1152 | |
| 1153 return NGX_AGAIN; | |
| 1154 | |
| 1155 done: | |
| 1156 | |
| 1157 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings done"); | |
| 1158 | |
| 1159 st->state = sw_start; | |
| 1160 return NGX_DONE; | |
| 1161 } | |
| 1162 | |
| 1163 | |
| 1164 ngx_int_t | |
| 1165 ngx_http_v3_parse_encoder(ngx_connection_t *c, void *data, u_char ch) | |
| 1166 { | |
| 1167 ngx_http_v3_parse_encoder_t *st = data; | |
| 1168 | |
| 1169 ngx_int_t rc; | |
| 1170 enum { | |
| 1171 sw_start = 0, | |
| 1172 sw_inr, | |
| 1173 sw_iwnr, | |
| 1174 sw_capacity, | |
| 1175 sw_duplicate | |
| 1176 }; | |
| 1177 | |
| 1178 if (st->state == sw_start) { | |
| 1179 | |
| 1180 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1181 "http3 parse encoder instruction"); | |
| 1182 | |
| 1183 if (ch & 0x80) { | |
| 1184 /* Insert With Name Reference */ | |
| 1185 | |
| 1186 st->state = sw_inr; | |
| 1187 | |
| 1188 } else if (ch & 0x40) { | |
| 1189 /* Insert Without Name Reference */ | |
| 1190 | |
| 1191 st->state = sw_iwnr; | |
| 1192 | |
| 1193 } else if (ch & 0x20) { | |
| 1194 /* Set Dynamic Table Capacity */ | |
| 1195 | |
| 1196 st->state = sw_capacity; | |
| 1197 | |
| 1198 } else { | |
| 1199 /* Duplicate */ | |
| 1200 | |
| 1201 st->state = sw_duplicate; | |
| 1202 } | |
| 1203 } | |
| 1204 | |
| 1205 switch (st->state) { | |
| 1206 | |
| 1207 case sw_inr: | |
| 1208 | |
| 1209 rc = ngx_http_v3_parse_header_inr(c, &st->header, ch); | |
| 1210 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
|
1211 return rc; |
| 8226 | 1212 } |
| 1213 | |
| 1214 goto done; | |
| 1215 | |
| 1216 case sw_iwnr: | |
| 1217 | |
| 1218 rc = ngx_http_v3_parse_header_iwnr(c, &st->header, ch); | |
| 1219 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
|
1220 return rc; |
| 8226 | 1221 } |
| 1222 | |
| 1223 goto done; | |
| 1224 | |
| 1225 case sw_capacity: | |
| 1226 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1227 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
|
1228 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1229 return rc; |
| 8226 | 1230 } |
| 1231 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1232 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
|
1233 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
|
1234 return rc; |
| 8226 | 1235 } |
| 1236 | |
| 1237 goto done; | |
| 1238 | |
| 1239 case sw_duplicate: | |
| 1240 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1241 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
|
1242 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1243 return rc; |
| 8226 | 1244 } |
| 1245 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1246 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
|
1247 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
|
1248 return rc; |
| 8226 | 1249 } |
| 1250 | |
| 1251 goto done; | |
| 1252 } | |
| 1253 | |
| 1254 return NGX_AGAIN; | |
| 1255 | |
| 1256 done: | |
| 1257 | |
| 1258 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1259 "http3 parse encoder instruction done"); | |
| 1260 | |
| 1261 st->state = sw_start; | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
1262 return NGX_AGAIN; |
| 8226 | 1263 } |
| 1264 | |
| 1265 | |
| 1266 ngx_int_t | |
| 1267 ngx_http_v3_parse_header_inr(ngx_connection_t *c, | |
| 1268 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 1269 { | |
| 1270 ngx_int_t rc; | |
| 1271 enum { | |
| 1272 sw_start = 0, | |
| 1273 sw_name_index, | |
| 1274 sw_value_len, | |
| 1275 sw_read_value_len, | |
| 1276 sw_value | |
| 1277 }; | |
| 1278 | |
| 1279 switch (st->state) { | |
| 1280 | |
| 1281 case sw_start: | |
| 1282 | |
| 1283 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header inr"); | |
| 1284 | |
| 1285 st->dynamic = (ch & 0x40) ? 0 : 1; | |
| 1286 st->state = sw_name_index; | |
| 1287 | |
| 1288 /* fall through */ | |
| 1289 | |
| 1290 case sw_name_index: | |
| 1291 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1292 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
|
1293 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1294 return rc; |
| 8226 | 1295 } |
| 1296 | |
| 1297 st->index = st->pint.value; | |
| 1298 st->state = sw_value_len; | |
| 1299 break; | |
| 1300 | |
| 1301 case sw_value_len: | |
| 1302 | |
| 1303 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 1304 st->state = sw_read_value_len; | |
| 1305 | |
| 1306 /* fall through */ | |
| 1307 | |
| 1308 case sw_read_value_len: | |
| 1309 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1310 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
|
1311 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1312 return rc; |
| 8226 | 1313 } |
| 1314 | |
| 1315 st->literal.length = st->pint.value; | |
| 1316 if (st->literal.length == 0) { | |
| 1317 goto done; | |
| 1318 } | |
| 1319 | |
| 1320 st->state = sw_value; | |
| 1321 break; | |
| 1322 | |
| 1323 case sw_value: | |
| 1324 | |
| 1325 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
|
1326 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
|
1327 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1328 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1329 |
|
8465
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
8464
diff
changeset
|
1330 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
|
1331 goto done; |
| 8226 | 1332 } |
| 1333 | |
| 1334 return NGX_AGAIN; | |
| 1335 | |
| 1336 done: | |
| 1337 | |
| 1338 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1339 "http3 parse header inr done %s[%ui] \"%V\"", | |
| 1340 st->dynamic ? "dynamic" : "static", | |
| 1341 st->index, &st->value); | |
| 1342 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1343 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
|
1344 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
|
1345 return rc; |
| 8226 | 1346 } |
| 1347 | |
| 1348 st->state = sw_start; | |
| 1349 return NGX_DONE; | |
| 1350 } | |
| 1351 | |
| 1352 | |
| 1353 ngx_int_t | |
| 1354 ngx_http_v3_parse_header_iwnr(ngx_connection_t *c, | |
| 1355 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 1356 { | |
| 1357 ngx_int_t rc; | |
| 1358 enum { | |
| 1359 sw_start = 0, | |
| 1360 sw_name_len, | |
| 1361 sw_name, | |
| 1362 sw_value_len, | |
| 1363 sw_read_value_len, | |
| 1364 sw_value | |
| 1365 }; | |
| 1366 | |
| 1367 switch (st->state) { | |
| 1368 | |
| 1369 case sw_start: | |
| 1370 | |
| 1371 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1372 "http3 parse header iwnr"); | |
| 1373 | |
| 1374 st->literal.huffman = (ch & 0x20) ? 1 : 0; | |
| 1375 st->state = sw_name_len; | |
| 1376 | |
| 1377 /* fall through */ | |
| 1378 | |
| 1379 case sw_name_len: | |
| 1380 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1381 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
|
1382 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1383 return rc; |
| 8226 | 1384 } |
| 1385 | |
| 1386 st->literal.length = st->pint.value; | |
| 1387 if (st->literal.length == 0) { | |
| 1388 return NGX_ERROR; | |
| 1389 } | |
| 1390 | |
| 1391 st->state = sw_name; | |
| 1392 break; | |
| 1393 | |
| 1394 case sw_name: | |
| 1395 | |
| 1396 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
|
1397 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
|
1398 return rc; |
| 8226 | 1399 } |
| 1400 | |
|
8465
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
8464
diff
changeset
|
1401 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
|
1402 st->state = sw_value_len; |
| 8226 | 1403 break; |
| 1404 | |
| 1405 case sw_value_len: | |
| 1406 | |
| 1407 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 1408 st->state = sw_read_value_len; | |
| 1409 | |
| 1410 /* fall through */ | |
| 1411 | |
| 1412 case sw_read_value_len: | |
| 1413 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1414 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
|
1415 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1416 return rc; |
| 8226 | 1417 } |
| 1418 | |
| 1419 st->literal.length = st->pint.value; | |
| 1420 if (st->literal.length == 0) { | |
| 1421 goto done; | |
| 1422 } | |
| 1423 | |
| 1424 st->state = sw_value; | |
| 1425 break; | |
| 1426 | |
| 1427 case sw_value: | |
| 1428 | |
| 1429 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
|
1430 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
|
1431 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1432 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1433 |
|
8465
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
8464
diff
changeset
|
1434 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
|
1435 goto done; |
| 8226 | 1436 } |
| 1437 | |
| 1438 return NGX_AGAIN; | |
| 1439 | |
| 1440 done: | |
| 1441 | |
| 1442 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1443 "http3 parse header iwnr done \"%V\":\"%V\"", | |
| 1444 &st->name, &st->value); | |
| 1445 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1446 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
|
1447 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
|
1448 return rc; |
| 8226 | 1449 } |
| 1450 | |
| 1451 st->state = sw_start; | |
| 1452 return NGX_DONE; | |
| 1453 } | |
| 1454 | |
| 1455 | |
| 1456 ngx_int_t | |
| 1457 ngx_http_v3_parse_decoder(ngx_connection_t *c, void *data, u_char ch) | |
| 1458 { | |
| 1459 ngx_http_v3_parse_decoder_t *st = data; | |
| 1460 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1461 ngx_int_t rc; |
| 8226 | 1462 enum { |
| 1463 sw_start = 0, | |
| 1464 sw_ack_header, | |
| 1465 sw_cancel_stream, | |
| 1466 sw_inc_insert_count | |
| 1467 }; | |
| 1468 | |
| 1469 if (st->state == sw_start) { | |
| 1470 | |
| 1471 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1472 "http3 parse decoder instruction"); | |
| 1473 | |
| 1474 if (ch & 0x80) { | |
| 1475 /* Header Acknowledgement */ | |
| 1476 | |
| 1477 st->state = sw_ack_header; | |
| 1478 | |
| 1479 } else if (ch & 0x40) { | |
| 1480 /* Stream Cancellation */ | |
| 1481 | |
| 1482 st->state = sw_cancel_stream; | |
| 1483 | |
| 1484 } else { | |
| 1485 /* Insert Count Increment */ | |
| 1486 | |
| 1487 st->state = sw_inc_insert_count; | |
| 1488 } | |
| 1489 } | |
| 1490 | |
| 1491 switch (st->state) { | |
| 1492 | |
| 1493 case sw_ack_header: | |
| 1494 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1495 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
|
1496 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1497 return rc; |
| 8226 | 1498 } |
| 1499 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1500 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
|
1501 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
|
1502 return rc; |
| 8226 | 1503 } |
| 1504 | |
| 1505 goto done; | |
| 1506 | |
| 1507 case sw_cancel_stream: | |
| 1508 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1509 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
|
1510 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1511 return rc; |
| 8226 | 1512 } |
| 1513 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1514 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
|
1515 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
|
1516 return rc; |
| 8226 | 1517 } |
| 1518 | |
| 1519 goto done; | |
| 1520 | |
| 1521 case sw_inc_insert_count: | |
| 1522 | |
|
8464
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1523 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
|
1524 if (rc != NGX_DONE) { |
|
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
8463
diff
changeset
|
1525 return rc; |
| 8226 | 1526 } |
| 1527 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1528 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
|
1529 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
|
1530 return rc; |
| 8226 | 1531 } |
| 1532 | |
| 1533 goto done; | |
| 1534 } | |
| 1535 | |
| 1536 return NGX_AGAIN; | |
| 1537 | |
| 1538 done: | |
| 1539 | |
| 1540 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1541 "http3 parse decoder instruction done"); | |
| 1542 | |
| 1543 st->state = sw_start; | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
1544 return NGX_AGAIN; |
| 8226 | 1545 } |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1546 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1547 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1548 ngx_int_t |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1549 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
|
1550 u_char ch) |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1551 { |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1552 ngx_int_t rc; |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1553 enum { |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1554 sw_start = 0, |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1555 sw_type, |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1556 sw_length, |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1557 sw_skip |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1558 }; |
|
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 switch (st->state) { |
|
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 case sw_start: |
|
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 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
|
1565 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1566 st->state = sw_type; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1567 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1568 /* fall through */ |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1569 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1570 case sw_type: |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1571 |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1572 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1573 if (rc != NGX_DONE) { |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1574 return rc; |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1575 } |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1576 |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1577 st->type = st->vlint.value; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1578 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1579 if (st->type == NGX_HTTP_V3_FRAME_HEADERS) { |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1580 /* trailers */ |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1581 goto done; |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1582 } |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1583 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1584 st->state = sw_length; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1585 break; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1586 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1587 case sw_length: |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1588 |
|
8466
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1589 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1590 if (rc != NGX_DONE) { |
|
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
8465
diff
changeset
|
1591 return rc; |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1592 } |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1593 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1594 st->length = st->vlint.value; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1595 |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1596 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1597 "http3 parse data type:%ui, len:%ui", |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1598 st->type, st->length); |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1599 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1600 if (st->type != NGX_HTTP_V3_FRAME_DATA && st->length > 0) { |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1601 st->state = sw_skip; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1602 break; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1603 } |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1604 |
|
8549
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1605 st->state = sw_type; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1606 return NGX_OK; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1607 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1608 case sw_skip: |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1609 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1610 if (--st->length == 0) { |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1611 st->state = sw_type; |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1612 } |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1613 |
|
d70a38acaea0
HTTP/3: skip unknown frames on request stream.
Roman Arutyunyan <arut@nginx.com>
parents:
8497
diff
changeset
|
1614 break; |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1615 } |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1616 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1617 return NGX_AGAIN; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1618 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1619 done: |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1620 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1621 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
|
1622 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1623 st->state = sw_start; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1624 return NGX_DONE; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1625 } |