Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_parse.c @ 8462:153bffee3d7e quic
HTTP/3: fixed prefix in decoding Section Acknowledgement.
| author | Sergey Kandaurov <pluknet@nginx.com> |
|---|---|
| date | Thu, 02 Jul 2020 17:35:57 +0300 |
| parents | 72f9ff4e0a88 |
| children | 2576485b93d4 |
| 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 | |
|
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13 static ngx_int_t ngx_http_v3_parse_lookup(ngx_connection_t *c, |
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14 ngx_uint_t dynamic, ngx_uint_t index, ngx_str_t *name, ngx_str_t *value); |
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15 |
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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 { | |
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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 | |
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108 mask = (1 << prefix) - 1; |
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109 st->value = ch & mask; |
| 8226 | 110 |
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111 if (st->value != mask) { |
| 8226 | 112 goto done; |
| 113 } | |
| 114 | |
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115 st->shift = 0; |
| 8226 | 116 st->state = sw_value; |
| 117 break; | |
| 118 | |
| 119 case sw_value: | |
| 120 | |
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121 st->value += (ch & 0x7f) << st->shift; |
| 8226 | 122 if (ch & 0x80) { |
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123 st->shift += 7; |
| 8226 | 124 break; |
| 125 } | |
| 126 | |
| 127 goto done; | |
| 128 } | |
| 129 | |
| 130 return NGX_AGAIN; | |
| 131 | |
| 132 done: | |
| 133 | |
| 134 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 135 "http3 parse prefix int %uL", st->value); | |
| 136 | |
| 137 st->state = sw_start; | |
| 138 return NGX_DONE; | |
| 139 } | |
| 140 | |
| 141 | |
| 142 ngx_int_t | |
| 143 ngx_http_v3_parse_headers(ngx_connection_t *c, ngx_http_v3_parse_headers_t *st, | |
| 144 u_char ch) | |
| 145 { | |
| 146 ngx_int_t rc; | |
| 147 enum { | |
| 148 sw_start = 0, | |
| 149 sw_length, | |
| 150 sw_prefix, | |
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151 sw_verify, |
| 8226 | 152 sw_header_rep, |
| 153 sw_done | |
| 154 }; | |
| 155 | |
| 156 switch (st->state) { | |
| 157 | |
| 158 case sw_start: | |
| 159 | |
| 160 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers"); | |
| 161 | |
| 162 if (ch != NGX_HTTP_V3_FRAME_HEADERS) { | |
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163 return NGX_HTTP_V3_ERR_FRAME_UNEXPECTED; |
| 8226 | 164 } |
| 165 | |
| 166 st->state = sw_length; | |
| 167 break; | |
| 168 | |
| 169 case sw_length: | |
| 170 | |
| 171 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
| 172 break; | |
| 173 } | |
| 174 | |
| 175 st->length = st->vlint.value; | |
| 176 | |
| 177 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 178 "http3 parse headers len:%ui", st->length); | |
| 179 | |
| 180 st->state = sw_prefix; | |
| 181 break; | |
| 182 | |
| 183 case sw_prefix: | |
| 184 | |
| 185 if (st->length-- == 0) { | |
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186 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
| 8226 | 187 } |
| 188 | |
| 189 rc = ngx_http_v3_parse_header_block_prefix(c, &st->prefix, ch); | |
| 190 | |
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191 if (rc == NGX_AGAIN) { |
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192 break; |
| 8226 | 193 } |
| 194 | |
| 195 if (rc != NGX_DONE) { | |
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196 return rc; |
| 8226 | 197 } |
| 198 | |
| 199 if (st->length == 0) { | |
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200 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
| 8226 | 201 } |
| 202 | |
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203 st->state = sw_verify; |
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204 break; |
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205 |
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206 case sw_verify: |
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207 |
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208 rc = ngx_http_v3_check_insert_count(c, st->prefix.insert_count); |
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209 if (rc != NGX_OK) { |
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210 return rc; |
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211 } |
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212 |
| 8226 | 213 st->state = sw_header_rep; |
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214 |
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215 /* fall through */ |
| 8226 | 216 |
| 217 case sw_header_rep: | |
| 218 | |
| 219 rc = ngx_http_v3_parse_header_rep(c, &st->header_rep, st->prefix.base, | |
| 220 ch); | |
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221 st->length--; |
| 8226 | 222 |
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223 if (rc == NGX_AGAIN) { |
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224 if (st->length == 0) { |
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225 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
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226 } |
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227 |
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228 break; |
| 8226 | 229 } |
| 230 | |
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231 if (rc != NGX_DONE) { |
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232 return rc; |
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233 } |
| 8226 | 234 |
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235 if (st->length == 0) { |
| 8226 | 236 goto done; |
| 237 } | |
| 238 | |
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239 return NGX_OK; |
| 8226 | 240 } |
| 241 | |
| 242 return NGX_AGAIN; | |
| 243 | |
| 244 done: | |
| 245 | |
| 246 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers done"); | |
| 247 | |
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248 if (st->prefix.insert_count > 0) { |
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249 if (ngx_http_v3_client_ack_header(c, c->qs->id) != NGX_OK) { |
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250 return NGX_ERROR; |
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251 } |
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252 } |
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253 |
| 8226 | 254 st->state = sw_start; |
| 255 return NGX_DONE; | |
| 256 } | |
| 257 | |
| 258 | |
| 259 ngx_int_t | |
| 260 ngx_http_v3_parse_header_block_prefix(ngx_connection_t *c, | |
| 261 ngx_http_v3_parse_header_block_prefix_t *st, u_char ch) | |
| 262 { | |
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263 ngx_int_t rc; |
| 8226 | 264 enum { |
| 265 sw_start = 0, | |
| 266 sw_req_insert_count, | |
| 267 sw_delta_base, | |
| 268 sw_read_delta_base | |
| 269 }; | |
| 270 | |
| 271 switch (st->state) { | |
| 272 | |
| 273 case sw_start: | |
| 274 | |
| 275 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 276 "http3 parse header block prefix"); | |
| 277 | |
| 278 st->state = sw_req_insert_count; | |
| 279 | |
| 280 /* fall through */ | |
| 281 | |
| 282 case sw_req_insert_count: | |
| 283 | |
| 284 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 8, ch) != NGX_DONE) { | |
| 285 break; | |
| 286 } | |
| 287 | |
| 288 st->insert_count = st->pint.value; | |
| 289 st->state = sw_delta_base; | |
| 290 break; | |
| 291 | |
| 292 case sw_delta_base: | |
| 293 | |
| 294 st->sign = (ch & 0x80) ? 1 : 0; | |
| 295 st->state = sw_read_delta_base; | |
| 296 | |
| 297 /* fall through */ | |
| 298 | |
| 299 case sw_read_delta_base: | |
| 300 | |
| 301 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
| 302 break; | |
| 303 } | |
| 304 | |
| 305 st->delta_base = st->pint.value; | |
| 306 goto done; | |
| 307 } | |
| 308 | |
| 309 return NGX_AGAIN; | |
| 310 | |
| 311 done: | |
| 312 | |
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313 rc = ngx_http_v3_decode_insert_count(c, &st->insert_count); |
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314 if (rc != NGX_OK) { |
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315 return rc; |
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316 } |
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317 |
| 8226 | 318 if (st->sign) { |
| 319 st->base = st->insert_count - st->delta_base - 1; | |
| 320 } else { | |
| 321 st->base = st->insert_count + st->delta_base; | |
| 322 } | |
| 323 | |
| 324 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 325 "http3 parse header block prefix done " | |
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326 "insert_count:%ui, sign:%ui, delta_base:%ui, base:%uL", |
| 8226 | 327 st->insert_count, st->sign, st->delta_base, st->base); |
| 328 | |
| 329 st->state = sw_start; | |
| 330 return NGX_DONE; | |
| 331 } | |
| 332 | |
| 333 | |
| 334 ngx_int_t | |
| 335 ngx_http_v3_parse_header_rep(ngx_connection_t *c, | |
| 336 ngx_http_v3_parse_header_rep_t *st, ngx_uint_t base, u_char ch) | |
| 337 { | |
| 338 ngx_int_t rc; | |
| 339 enum { | |
| 340 sw_start = 0, | |
| 341 sw_header_ri, | |
| 342 sw_header_lri, | |
| 343 sw_header_l, | |
| 344 sw_header_pbi, | |
| 345 sw_header_lpbi | |
| 346 }; | |
| 347 | |
| 348 if (st->state == sw_start) { | |
| 349 | |
| 350 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 351 "http3 parse header representation"); | |
| 352 | |
| 353 ngx_memzero(&st->header, sizeof(ngx_http_v3_parse_header_t)); | |
| 354 | |
| 355 st->header.base = base; | |
| 356 | |
| 357 if (ch & 0x80) { | |
| 358 /* Indexed Header Field */ | |
| 359 | |
| 360 st->state = sw_header_ri; | |
| 361 | |
| 362 } else if (ch & 0x40) { | |
| 363 /* Literal Header Field With Name Reference */ | |
| 364 | |
| 365 st->state = sw_header_lri; | |
| 366 | |
| 367 } else if (ch & 0x20) { | |
| 368 /* Literal Header Field Without Name Reference */ | |
| 369 | |
| 370 st->state = sw_header_l; | |
| 371 | |
| 372 } else if (ch & 0x10) { | |
| 373 /* Indexed Header Field With Post-Base Index */ | |
| 374 | |
| 375 st->state = sw_header_pbi; | |
| 376 | |
| 377 } else { | |
| 378 /* Literal Header Field With Post-Base Name Reference */ | |
| 379 | |
| 380 st->state = sw_header_lpbi; | |
| 381 } | |
| 382 } | |
| 383 | |
| 384 switch (st->state) { | |
| 385 | |
| 386 case sw_header_ri: | |
| 387 rc = ngx_http_v3_parse_header_ri(c, &st->header, ch); | |
| 388 break; | |
| 389 | |
| 390 case sw_header_lri: | |
| 391 rc = ngx_http_v3_parse_header_lri(c, &st->header, ch); | |
| 392 break; | |
| 393 | |
| 394 case sw_header_l: | |
| 395 rc = ngx_http_v3_parse_header_l(c, &st->header, ch); | |
| 396 break; | |
| 397 | |
| 398 case sw_header_pbi: | |
| 399 rc = ngx_http_v3_parse_header_pbi(c, &st->header, ch); | |
| 400 break; | |
| 401 | |
| 402 case sw_header_lpbi: | |
| 403 rc = ngx_http_v3_parse_header_lpbi(c, &st->header, ch); | |
| 404 break; | |
| 405 | |
| 406 default: | |
| 407 rc = NGX_OK; | |
| 408 } | |
| 409 | |
|
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410 if (rc != NGX_DONE) { |
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411 return rc; |
| 8226 | 412 } |
| 413 | |
| 414 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 415 "http3 parse header representation done"); | |
| 416 | |
| 417 st->state = sw_start; | |
| 418 return NGX_DONE; | |
| 419 } | |
| 420 | |
| 421 | |
| 422 ngx_int_t | |
| 423 ngx_http_v3_parse_literal(ngx_connection_t *c, ngx_http_v3_parse_literal_t *st, | |
| 424 u_char ch) | |
| 425 { | |
|
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426 ngx_uint_t n; |
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427 ngx_http_v3_srv_conf_t *v3cf; |
| 8226 | 428 enum { |
| 429 sw_start = 0, | |
| 430 sw_value | |
| 431 }; | |
| 432 | |
| 433 switch (st->state) { | |
| 434 | |
| 435 case sw_start: | |
| 436 | |
| 437 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 438 "http3 parse literal huff:%ui, len:%ui", | |
| 439 st->huffman, st->length); | |
| 440 | |
| 441 n = st->length; | |
| 442 | |
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443 v3cf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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444 |
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445 if (n > v3cf->max_field_size) { |
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446 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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447 "client exceeded http3_max_field_size limit"); |
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448 return NGX_HTTP_V3_ERR_EXCESSIVE_LOAD; |
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449 } |
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450 |
| 8226 | 451 if (st->huffman) { |
| 452 n = n * 8 / 5; | |
| 453 st->huffstate = 0; | |
| 454 } | |
| 455 | |
| 456 st->last = ngx_pnalloc(c->pool, n + 1); | |
| 457 if (st->last == NULL) { | |
| 458 return NGX_ERROR; | |
| 459 } | |
| 460 | |
| 461 st->value.data = st->last; | |
| 462 st->state = sw_value; | |
| 463 | |
| 464 /* fall through */ | |
| 465 | |
| 466 case sw_value: | |
| 467 | |
| 468 if (st->huffman) { | |
| 469 if (ngx_http_v2_huff_decode(&st->huffstate, &ch, 1, &st->last, | |
| 470 st->length == 1, c->log) | |
| 471 != NGX_OK) | |
| 472 { | |
| 473 return NGX_ERROR; | |
| 474 } | |
| 475 | |
| 476 } else { | |
| 477 *st->last++ = ch; | |
| 478 } | |
| 479 | |
| 480 if (--st->length) { | |
| 481 break; | |
| 482 } | |
| 483 | |
| 484 st->value.len = st->last - st->value.data; | |
| 485 *st->last = '\0'; | |
| 486 goto done; | |
| 487 } | |
| 488 | |
| 489 return NGX_AGAIN; | |
| 490 | |
| 491 done: | |
| 492 | |
| 493 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 494 "http3 parse literal done \"%V\"", &st->value); | |
| 495 | |
| 496 st->state = sw_start; | |
| 497 return NGX_DONE; | |
| 498 } | |
| 499 | |
| 500 | |
| 501 ngx_int_t | |
| 502 ngx_http_v3_parse_header_ri(ngx_connection_t *c, ngx_http_v3_parse_header_t *st, | |
| 503 u_char ch) | |
| 504 { | |
|
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505 ngx_int_t rc; |
| 8226 | 506 enum { |
| 507 sw_start = 0, | |
| 508 sw_index | |
| 509 }; | |
| 510 | |
| 511 switch (st->state) { | |
| 512 | |
| 513 case sw_start: | |
| 514 | |
| 515 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header ri"); | |
| 516 | |
| 517 st->dynamic = (ch & 0x40) ? 0 : 1; | |
| 518 st->state = sw_index; | |
| 519 | |
| 520 /* fall through */ | |
| 521 | |
| 522 case sw_index: | |
| 523 | |
| 524 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
| 525 break; | |
| 526 } | |
| 527 | |
| 528 st->index = st->pint.value; | |
| 529 goto done; | |
| 530 } | |
| 531 | |
| 532 return NGX_AGAIN; | |
| 533 | |
| 534 done: | |
| 535 | |
| 536 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 537 "http3 parse header ri done %s%ui]", | |
| 538 st->dynamic ? "dynamic[-" : "static[", st->index); | |
| 539 | |
| 540 if (st->dynamic) { | |
| 541 st->index = st->base - st->index - 1; | |
| 542 } | |
| 543 | |
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544 rc = ngx_http_v3_parse_lookup(c, st->dynamic, st->index, &st->name, |
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545 &st->value); |
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546 if (rc != NGX_OK) { |
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547 return rc; |
| 8226 | 548 } |
| 549 | |
| 550 st->state = sw_start; | |
| 551 return NGX_DONE; | |
| 552 } | |
| 553 | |
| 554 | |
| 555 ngx_int_t | |
| 556 ngx_http_v3_parse_header_lri(ngx_connection_t *c, | |
| 557 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 558 { | |
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559 ngx_int_t rc; |
| 8226 | 560 enum { |
| 561 sw_start = 0, | |
| 562 sw_index, | |
| 563 sw_value_len, | |
| 564 sw_read_value_len, | |
| 565 sw_value | |
| 566 }; | |
| 567 | |
| 568 switch (st->state) { | |
| 569 | |
| 570 case sw_start: | |
| 571 | |
| 572 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header lri"); | |
| 573 | |
| 574 st->dynamic = (ch & 0x10) ? 0 : 1; | |
| 575 st->state = sw_index; | |
| 576 | |
| 577 /* fall through */ | |
| 578 | |
| 579 case sw_index: | |
| 580 | |
| 581 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch) != NGX_DONE) { | |
| 582 break; | |
| 583 } | |
| 584 | |
| 585 st->index = st->pint.value; | |
| 586 st->state = sw_value_len; | |
| 587 break; | |
| 588 | |
| 589 case sw_value_len: | |
| 590 | |
| 591 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 592 st->state = sw_read_value_len; | |
| 593 | |
| 594 /* fall through */ | |
| 595 | |
| 596 case sw_read_value_len: | |
| 597 | |
| 598 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
| 599 break; | |
| 600 } | |
| 601 | |
| 602 st->literal.length = st->pint.value; | |
| 603 if (st->literal.length == 0) { | |
| 604 goto done; | |
| 605 } | |
| 606 | |
| 607 st->state = sw_value; | |
| 608 break; | |
| 609 | |
| 610 case sw_value: | |
| 611 | |
| 612 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
| 613 | |
| 614 if (rc == NGX_DONE) { | |
| 615 st->value = st->literal.value; | |
| 616 goto done; | |
| 617 } | |
| 618 | |
|
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619 if (rc != NGX_AGAIN) { |
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620 return rc; |
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621 } |
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622 |
| 8226 | 623 break; |
| 624 } | |
| 625 | |
| 626 return NGX_AGAIN; | |
| 627 | |
| 628 done: | |
| 629 | |
| 630 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 631 "http3 parse header lri done %s%ui] \"%V\"", | |
| 632 st->dynamic ? "dynamic[-" : "static[", | |
| 633 st->index, &st->value); | |
| 634 | |
| 635 if (st->dynamic) { | |
| 636 st->index = st->base - st->index - 1; | |
| 637 } | |
| 638 | |
|
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639 rc = ngx_http_v3_parse_lookup(c, st->dynamic, st->index, &st->name, NULL); |
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640 if (rc != NGX_OK) { |
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|
641 return rc; |
| 8226 | 642 } |
| 643 | |
| 644 st->state = sw_start; | |
| 645 return NGX_DONE; | |
| 646 } | |
| 647 | |
| 648 | |
| 649 ngx_int_t | |
| 650 ngx_http_v3_parse_header_l(ngx_connection_t *c, | |
| 651 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 652 { | |
| 653 ngx_int_t rc; | |
| 654 enum { | |
| 655 sw_start = 0, | |
| 656 sw_name_len, | |
| 657 sw_name, | |
| 658 sw_value_len, | |
| 659 sw_read_value_len, | |
| 660 sw_value | |
| 661 }; | |
| 662 | |
| 663 switch (st->state) { | |
| 664 | |
| 665 case sw_start: | |
| 666 | |
| 667 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header l"); | |
| 668 | |
| 669 st->literal.huffman = (ch & 0x08) ? 1 : 0; | |
| 670 st->state = sw_name_len; | |
| 671 | |
| 672 /* fall through */ | |
| 673 | |
| 674 case sw_name_len: | |
| 675 | |
| 676 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch) != NGX_DONE) { | |
| 677 break; | |
| 678 } | |
| 679 | |
| 680 st->literal.length = st->pint.value; | |
| 681 if (st->literal.length == 0) { | |
| 682 return NGX_ERROR; | |
| 683 } | |
| 684 | |
| 685 st->state = sw_name; | |
| 686 break; | |
| 687 | |
| 688 case sw_name: | |
| 689 | |
| 690 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
| 691 | |
| 692 if (rc == NGX_DONE) { | |
| 693 st->name = st->literal.value; | |
| 694 st->state = sw_value_len; | |
|
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695 break; |
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696 } |
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697 |
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698 if (rc != NGX_AGAIN) { |
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|
699 return rc; |
| 8226 | 700 } |
| 701 | |
| 702 break; | |
| 703 | |
| 704 case sw_value_len: | |
| 705 | |
| 706 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 707 st->state = sw_read_value_len; | |
| 708 | |
| 709 /* fall through */ | |
| 710 | |
| 711 case sw_read_value_len: | |
| 712 | |
| 713 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
| 714 break; | |
| 715 } | |
| 716 | |
| 717 st->literal.length = st->pint.value; | |
| 718 if (st->literal.length == 0) { | |
| 719 goto done; | |
| 720 } | |
| 721 | |
| 722 st->state = sw_value; | |
| 723 break; | |
| 724 | |
| 725 case sw_value: | |
| 726 | |
| 727 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
| 728 | |
| 729 if (rc == NGX_DONE) { | |
| 730 st->value = st->literal.value; | |
| 731 goto done; | |
| 732 } | |
| 733 | |
|
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734 if (rc != NGX_AGAIN) { |
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735 return rc; |
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736 } |
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737 |
| 8226 | 738 break; |
| 739 } | |
| 740 | |
| 741 return NGX_AGAIN; | |
| 742 | |
| 743 done: | |
| 744 | |
| 745 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 746 "http3 parse header l done \"%V\" \"%V\"", | |
| 747 &st->name, &st->value); | |
| 748 | |
| 749 st->state = sw_start; | |
| 750 return NGX_DONE; | |
| 751 } | |
| 752 | |
| 753 | |
| 754 ngx_int_t | |
| 755 ngx_http_v3_parse_header_pbi(ngx_connection_t *c, | |
| 756 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 757 { | |
|
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758 ngx_int_t rc; |
| 8226 | 759 enum { |
| 760 sw_start = 0, | |
| 761 sw_index | |
| 762 }; | |
| 763 | |
| 764 switch (st->state) { | |
| 765 | |
| 766 case sw_start: | |
| 767 | |
| 768 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header pbi"); | |
| 769 | |
| 770 st->state = sw_index; | |
| 771 | |
| 772 /* fall through */ | |
| 773 | |
| 774 case sw_index: | |
| 775 | |
| 776 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch) != NGX_DONE) { | |
| 777 break; | |
| 778 } | |
| 779 | |
| 780 st->index = st->pint.value; | |
| 781 goto done; | |
| 782 } | |
| 783 | |
| 784 return NGX_AGAIN; | |
| 785 | |
| 786 done: | |
| 787 | |
| 788 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 789 "http3 parse header pbi done dynamic[+%ui]", st->index); | |
| 790 | |
|
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791 rc = ngx_http_v3_parse_lookup(c, 1, st->base + st->index, &st->name, |
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792 &st->value); |
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793 if (rc != NGX_OK) { |
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794 return rc; |
| 8226 | 795 } |
| 796 | |
| 797 st->state = sw_start; | |
| 798 return NGX_DONE; | |
| 799 } | |
| 800 | |
| 801 | |
| 802 ngx_int_t | |
| 803 ngx_http_v3_parse_header_lpbi(ngx_connection_t *c, | |
| 804 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 805 { | |
|
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806 ngx_int_t rc; |
| 8226 | 807 enum { |
| 808 sw_start = 0, | |
| 809 sw_index, | |
| 810 sw_value_len, | |
| 811 sw_read_value_len, | |
| 812 sw_value | |
| 813 }; | |
| 814 | |
| 815 switch (st->state) { | |
| 816 | |
| 817 case sw_start: | |
| 818 | |
| 819 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 820 "http3 parse header lpbi"); | |
| 821 | |
| 822 st->state = sw_index; | |
| 823 | |
| 824 /* fall through */ | |
| 825 | |
| 826 case sw_index: | |
| 827 | |
| 828 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch) != NGX_DONE) { | |
| 829 break; | |
| 830 } | |
| 831 | |
| 832 st->index = st->pint.value; | |
| 833 st->state = sw_value_len; | |
| 834 break; | |
| 835 | |
| 836 case sw_value_len: | |
| 837 | |
| 838 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 839 st->state = sw_read_value_len; | |
| 840 | |
| 841 /* fall through */ | |
| 842 | |
| 843 case sw_read_value_len: | |
| 844 | |
| 845 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
| 846 break; | |
| 847 } | |
| 848 | |
| 849 st->literal.length = st->pint.value; | |
| 850 if (st->literal.length == 0) { | |
| 851 goto done; | |
| 852 } | |
| 853 | |
| 854 st->state = sw_value; | |
| 855 break; | |
| 856 | |
| 857 case sw_value: | |
| 858 | |
| 859 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
| 860 | |
| 861 if (rc == NGX_DONE) { | |
| 862 st->value = st->literal.value; | |
| 863 goto done; | |
| 864 } | |
| 865 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
866 if (rc != NGX_AGAIN) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
867 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
868 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
869 |
| 8226 | 870 break; |
| 871 } | |
| 872 | |
| 873 return NGX_AGAIN; | |
| 874 | |
| 875 done: | |
| 876 | |
| 877 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 878 "http3 parse header lpbi done dynamic[+%ui] \"%V\"", | |
| 879 st->index, &st->value); | |
| 880 | |
|
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
881 rc = ngx_http_v3_parse_lookup(c, 1, st->base + st->index, &st->name, NULL); |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
882 if (rc != NGX_OK) { |
|
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
883 return rc; |
| 8226 | 884 } |
| 885 | |
| 886 st->state = sw_start; | |
| 887 return NGX_DONE; | |
| 888 } | |
| 889 | |
| 890 | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
891 static ngx_int_t |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
892 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
|
893 ngx_uint_t index, ngx_str_t *name, ngx_str_t *value) |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
894 { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
895 u_char *p; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
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parents:
8455
diff
changeset
|
896 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
897 if (!dynamic) { |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
898 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
|
899 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
|
900 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
901 |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
902 return NGX_OK; |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
903 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
904 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
905 if (ngx_http_v3_lookup(c, index, name, value) != NGX_OK) { |
|
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
906 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
907 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
908 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
909 if (name) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
910 p = ngx_pnalloc(c->pool, name->len + 1); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
911 if (p == NULL) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
912 return NGX_ERROR; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
913 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
914 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
915 ngx_memcpy(p, name->data, name->len); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
916 p[name->len] = '\0'; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
917 name->data = p; |
|
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 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
920 if (value) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
921 p = ngx_pnalloc(c->pool, value->len + 1); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
922 if (p == NULL) { |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
923 return NGX_ERROR; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
924 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
925 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
926 ngx_memcpy(p, value->data, value->len); |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
927 p[value->len] = '\0'; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
928 value->data = p; |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
929 } |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
930 |
|
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
931 return NGX_OK; |
|
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 |
| 8226 | 935 ngx_int_t |
| 936 ngx_http_v3_parse_control(ngx_connection_t *c, void *data, u_char ch) | |
| 937 { | |
| 938 ngx_http_v3_parse_control_t *st = data; | |
| 939 | |
| 940 ngx_int_t rc; | |
| 941 enum { | |
| 942 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
|
943 sw_first_type, |
| 8226 | 944 sw_type, |
| 945 sw_length, | |
| 946 sw_settings, | |
| 947 sw_max_push_id, | |
| 948 sw_skip | |
| 949 }; | |
| 950 | |
| 951 switch (st->state) { | |
| 952 | |
| 953 case sw_start: | |
| 954 | |
| 955 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse control"); | |
| 956 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
957 st->state = sw_first_type; |
| 8226 | 958 |
| 959 /* fall through */ | |
| 960 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
961 case sw_first_type: |
| 8226 | 962 case sw_type: |
| 963 | |
| 964 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
| 965 break; | |
| 966 } | |
| 967 | |
| 968 st->type = st->vlint.value; | |
| 969 | |
| 970 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 971 "http3 parse frame type:%ui", st->type); | |
| 972 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
973 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
|
974 && 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
|
975 { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
976 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
|
977 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
978 |
| 8226 | 979 st->state = sw_length; |
| 980 break; | |
| 981 | |
| 982 case sw_length: | |
| 983 | |
| 984 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
| 985 break; | |
| 986 } | |
| 987 | |
| 988 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 989 "http3 parse frame len:%uL", st->vlint.value); | |
| 990 | |
| 991 st->length = st->vlint.value; | |
| 992 if (st->length == 0) { | |
| 993 st->state = sw_type; | |
| 994 break; | |
| 995 } | |
| 996 | |
| 997 switch (st->type) { | |
| 998 | |
| 999 case NGX_HTTP_V3_FRAME_SETTINGS: | |
| 1000 st->state = sw_settings; | |
| 1001 break; | |
| 1002 | |
| 1003 case NGX_HTTP_V3_FRAME_MAX_PUSH_ID: | |
| 1004 st->state = sw_max_push_id; | |
| 1005 break; | |
| 1006 | |
| 1007 default: | |
| 1008 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1009 "http3 parse skip unknown frame"); | |
| 1010 st->state = sw_skip; | |
| 1011 } | |
| 1012 | |
| 1013 break; | |
| 1014 | |
| 1015 case sw_settings: | |
| 1016 | |
| 1017 rc = ngx_http_v3_parse_settings(c, &st->settings, ch); | |
| 1018 | |
|
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1019 st->length--; |
| 8226 | 1020 |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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8457
diff
changeset
|
1021 if (rc == NGX_AGAIN) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1022 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
|
1023 return NGX_HTTP_V3_ERR_SETTINGS_ERROR; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1024 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1025 |
| 8226 | 1026 break; |
| 1027 } | |
| 1028 | |
| 1029 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
|
1030 return rc; |
| 8226 | 1031 } |
| 1032 | |
|
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1033 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
|
1034 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
|
1035 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1036 |
| 8226 | 1037 break; |
| 1038 | |
| 1039 case sw_max_push_id: | |
| 1040 | |
| 1041 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
| 1042 break; | |
| 1043 } | |
| 1044 | |
| 1045 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1046 "http3 parse MAX_PUSH_ID:%uL", st->vlint.value); | |
| 1047 | |
| 1048 st->state = sw_type; | |
| 1049 break; | |
| 1050 | |
| 1051 case sw_skip: | |
| 1052 | |
| 1053 if (--st->length == 0) { | |
| 1054 st->state = sw_type; | |
| 1055 } | |
| 1056 | |
| 1057 break; | |
| 1058 } | |
| 1059 | |
| 1060 return NGX_AGAIN; | |
| 1061 } | |
| 1062 | |
| 1063 | |
| 1064 ngx_int_t | |
| 1065 ngx_http_v3_parse_settings(ngx_connection_t *c, | |
| 1066 ngx_http_v3_parse_settings_t *st, u_char ch) | |
| 1067 { | |
| 1068 enum { | |
| 1069 sw_start = 0, | |
| 1070 sw_id, | |
| 1071 sw_value | |
| 1072 }; | |
| 1073 | |
| 1074 switch (st->state) { | |
| 1075 | |
| 1076 case sw_start: | |
| 1077 | |
| 1078 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings"); | |
| 1079 | |
| 1080 st->state = sw_id; | |
| 1081 | |
| 1082 /* fall through */ | |
| 1083 | |
| 1084 case sw_id: | |
| 1085 | |
| 1086 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
| 1087 break; | |
| 1088 } | |
| 1089 | |
| 1090 st->id = st->vlint.value; | |
| 1091 st->state = sw_value; | |
| 1092 break; | |
| 1093 | |
| 1094 case sw_value: | |
| 1095 | |
| 1096 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
| 1097 break; | |
| 1098 } | |
| 1099 | |
| 1100 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
|
1101 return NGX_HTTP_V3_ERR_SETTINGS_ERROR; |
| 8226 | 1102 } |
| 1103 | |
| 1104 goto done; | |
| 1105 } | |
| 1106 | |
| 1107 return NGX_AGAIN; | |
| 1108 | |
| 1109 done: | |
| 1110 | |
| 1111 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings done"); | |
| 1112 | |
| 1113 st->state = sw_start; | |
| 1114 return NGX_DONE; | |
| 1115 } | |
| 1116 | |
| 1117 | |
| 1118 ngx_int_t | |
| 1119 ngx_http_v3_parse_encoder(ngx_connection_t *c, void *data, u_char ch) | |
| 1120 { | |
| 1121 ngx_http_v3_parse_encoder_t *st = data; | |
| 1122 | |
| 1123 ngx_int_t rc; | |
| 1124 enum { | |
| 1125 sw_start = 0, | |
| 1126 sw_inr, | |
| 1127 sw_iwnr, | |
| 1128 sw_capacity, | |
| 1129 sw_duplicate | |
| 1130 }; | |
| 1131 | |
| 1132 if (st->state == sw_start) { | |
| 1133 | |
| 1134 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1135 "http3 parse encoder instruction"); | |
| 1136 | |
| 1137 if (ch & 0x80) { | |
| 1138 /* Insert With Name Reference */ | |
| 1139 | |
| 1140 st->state = sw_inr; | |
| 1141 | |
| 1142 } else if (ch & 0x40) { | |
| 1143 /* Insert Without Name Reference */ | |
| 1144 | |
| 1145 st->state = sw_iwnr; | |
| 1146 | |
| 1147 } else if (ch & 0x20) { | |
| 1148 /* Set Dynamic Table Capacity */ | |
| 1149 | |
| 1150 st->state = sw_capacity; | |
| 1151 | |
| 1152 } else { | |
| 1153 /* Duplicate */ | |
| 1154 | |
| 1155 st->state = sw_duplicate; | |
| 1156 } | |
| 1157 } | |
| 1158 | |
| 1159 switch (st->state) { | |
| 1160 | |
| 1161 case sw_inr: | |
| 1162 | |
| 1163 rc = ngx_http_v3_parse_header_inr(c, &st->header, ch); | |
| 1164 | |
|
8460
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1165 if (rc == NGX_AGAIN) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1166 break; |
| 8226 | 1167 } |
| 1168 | |
| 1169 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
|
1170 return rc; |
| 8226 | 1171 } |
| 1172 | |
| 1173 goto done; | |
| 1174 | |
| 1175 case sw_iwnr: | |
| 1176 | |
| 1177 rc = ngx_http_v3_parse_header_iwnr(c, &st->header, ch); | |
| 1178 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1179 if (rc == NGX_AGAIN) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1180 break; |
| 8226 | 1181 } |
| 1182 | |
| 1183 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
|
1184 return rc; |
| 8226 | 1185 } |
| 1186 | |
| 1187 goto done; | |
| 1188 | |
| 1189 case sw_capacity: | |
| 1190 | |
| 1191 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) { | |
| 1192 break; | |
| 1193 } | |
| 1194 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1195 rc = ngx_http_v3_set_capacity(c, st->pint.value); |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
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diff
changeset
|
1196 if (rc != NGX_OK) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1197 return rc; |
| 8226 | 1198 } |
| 1199 | |
| 1200 goto done; | |
| 1201 | |
| 1202 case sw_duplicate: | |
| 1203 | |
| 1204 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) { | |
| 1205 break; | |
| 1206 } | |
| 1207 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1208 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
|
1209 if (rc != NGX_OK) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1210 return rc; |
| 8226 | 1211 } |
| 1212 | |
| 1213 goto done; | |
| 1214 } | |
| 1215 | |
| 1216 return NGX_AGAIN; | |
| 1217 | |
| 1218 done: | |
| 1219 | |
| 1220 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1221 "http3 parse encoder instruction done"); | |
| 1222 | |
| 1223 st->state = sw_start; | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
1224 return NGX_AGAIN; |
| 8226 | 1225 } |
| 1226 | |
| 1227 | |
| 1228 ngx_int_t | |
| 1229 ngx_http_v3_parse_header_inr(ngx_connection_t *c, | |
| 1230 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 1231 { | |
| 1232 ngx_int_t rc; | |
| 1233 enum { | |
| 1234 sw_start = 0, | |
| 1235 sw_name_index, | |
| 1236 sw_value_len, | |
| 1237 sw_read_value_len, | |
| 1238 sw_value | |
| 1239 }; | |
| 1240 | |
| 1241 switch (st->state) { | |
| 1242 | |
| 1243 case sw_start: | |
| 1244 | |
| 1245 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header inr"); | |
| 1246 | |
| 1247 st->dynamic = (ch & 0x40) ? 0 : 1; | |
| 1248 st->state = sw_name_index; | |
| 1249 | |
| 1250 /* fall through */ | |
| 1251 | |
| 1252 case sw_name_index: | |
| 1253 | |
| 1254 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
| 1255 break; | |
| 1256 } | |
| 1257 | |
| 1258 st->index = st->pint.value; | |
| 1259 st->state = sw_value_len; | |
| 1260 break; | |
| 1261 | |
| 1262 case sw_value_len: | |
| 1263 | |
| 1264 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 1265 st->state = sw_read_value_len; | |
| 1266 | |
| 1267 /* fall through */ | |
| 1268 | |
| 1269 case sw_read_value_len: | |
| 1270 | |
| 1271 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
| 1272 break; | |
| 1273 } | |
| 1274 | |
| 1275 st->literal.length = st->pint.value; | |
| 1276 if (st->literal.length == 0) { | |
| 1277 goto done; | |
| 1278 } | |
| 1279 | |
| 1280 st->state = sw_value; | |
| 1281 break; | |
| 1282 | |
| 1283 case sw_value: | |
| 1284 | |
| 1285 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
| 1286 | |
| 1287 if (rc == NGX_DONE) { | |
| 1288 st->value = st->literal.value; | |
| 1289 goto done; | |
| 1290 } | |
| 1291 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1292 if (rc != NGX_AGAIN) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1293 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1294 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1295 |
| 8226 | 1296 break; |
| 1297 } | |
| 1298 | |
| 1299 return NGX_AGAIN; | |
| 1300 | |
| 1301 done: | |
| 1302 | |
| 1303 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1304 "http3 parse header inr done %s[%ui] \"%V\"", | |
| 1305 st->dynamic ? "dynamic" : "static", | |
| 1306 st->index, &st->value); | |
| 1307 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1308 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
|
1309 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
|
1310 return rc; |
| 8226 | 1311 } |
| 1312 | |
| 1313 st->state = sw_start; | |
| 1314 return NGX_DONE; | |
| 1315 } | |
| 1316 | |
| 1317 | |
| 1318 ngx_int_t | |
| 1319 ngx_http_v3_parse_header_iwnr(ngx_connection_t *c, | |
| 1320 ngx_http_v3_parse_header_t *st, u_char ch) | |
| 1321 { | |
| 1322 ngx_int_t rc; | |
| 1323 enum { | |
| 1324 sw_start = 0, | |
| 1325 sw_name_len, | |
| 1326 sw_name, | |
| 1327 sw_value_len, | |
| 1328 sw_read_value_len, | |
| 1329 sw_value | |
| 1330 }; | |
| 1331 | |
| 1332 switch (st->state) { | |
| 1333 | |
| 1334 case sw_start: | |
| 1335 | |
| 1336 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1337 "http3 parse header iwnr"); | |
| 1338 | |
| 1339 st->literal.huffman = (ch & 0x20) ? 1 : 0; | |
| 1340 st->state = sw_name_len; | |
| 1341 | |
| 1342 /* fall through */ | |
| 1343 | |
| 1344 case sw_name_len: | |
| 1345 | |
| 1346 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) { | |
| 1347 break; | |
| 1348 } | |
| 1349 | |
| 1350 st->literal.length = st->pint.value; | |
| 1351 if (st->literal.length == 0) { | |
| 1352 return NGX_ERROR; | |
| 1353 } | |
| 1354 | |
| 1355 st->state = sw_name; | |
| 1356 break; | |
| 1357 | |
| 1358 case sw_name: | |
| 1359 | |
| 1360 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
| 1361 | |
| 1362 if (rc == NGX_DONE) { | |
| 1363 st->name = st->literal.value; | |
| 1364 st->state = sw_value_len; | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1365 break; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1366 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1367 |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1368 if (rc != NGX_AGAIN) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1369 return rc; |
| 8226 | 1370 } |
| 1371 | |
| 1372 break; | |
| 1373 | |
| 1374 case sw_value_len: | |
| 1375 | |
| 1376 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
| 1377 st->state = sw_read_value_len; | |
| 1378 | |
| 1379 /* fall through */ | |
| 1380 | |
| 1381 case sw_read_value_len: | |
| 1382 | |
| 1383 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
| 1384 break; | |
| 1385 } | |
| 1386 | |
| 1387 st->literal.length = st->pint.value; | |
| 1388 if (st->literal.length == 0) { | |
| 1389 goto done; | |
| 1390 } | |
| 1391 | |
| 1392 st->state = sw_value; | |
| 1393 break; | |
| 1394 | |
| 1395 case sw_value: | |
| 1396 | |
| 1397 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
| 1398 | |
| 1399 if (rc == NGX_DONE) { | |
| 1400 st->value = st->literal.value; | |
| 1401 goto done; | |
| 1402 } | |
| 1403 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1404 if (rc != NGX_AGAIN) { |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1405 return rc; |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1406 } |
|
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1407 |
| 8226 | 1408 break; |
| 1409 } | |
| 1410 | |
| 1411 return NGX_AGAIN; | |
| 1412 | |
| 1413 done: | |
| 1414 | |
| 1415 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1416 "http3 parse header iwnr done \"%V\":\"%V\"", | |
| 1417 &st->name, &st->value); | |
| 1418 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1419 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
|
1420 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
|
1421 return rc; |
| 8226 | 1422 } |
| 1423 | |
| 1424 st->state = sw_start; | |
| 1425 return NGX_DONE; | |
| 1426 } | |
| 1427 | |
| 1428 | |
| 1429 ngx_int_t | |
| 1430 ngx_http_v3_parse_decoder(ngx_connection_t *c, void *data, u_char ch) | |
| 1431 { | |
| 1432 ngx_http_v3_parse_decoder_t *st = data; | |
| 1433 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1434 ngx_int_t rc; |
| 8226 | 1435 enum { |
| 1436 sw_start = 0, | |
| 1437 sw_ack_header, | |
| 1438 sw_cancel_stream, | |
| 1439 sw_inc_insert_count | |
| 1440 }; | |
| 1441 | |
| 1442 if (st->state == sw_start) { | |
| 1443 | |
| 1444 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1445 "http3 parse decoder instruction"); | |
| 1446 | |
| 1447 if (ch & 0x80) { | |
| 1448 /* Header Acknowledgement */ | |
| 1449 | |
| 1450 st->state = sw_ack_header; | |
| 1451 | |
| 1452 } else if (ch & 0x40) { | |
| 1453 /* Stream Cancellation */ | |
| 1454 | |
| 1455 st->state = sw_cancel_stream; | |
| 1456 | |
| 1457 } else { | |
| 1458 /* Insert Count Increment */ | |
| 1459 | |
| 1460 st->state = sw_inc_insert_count; | |
| 1461 } | |
| 1462 } | |
| 1463 | |
| 1464 switch (st->state) { | |
| 1465 | |
| 1466 case sw_ack_header: | |
| 1467 | |
|
8462
153bffee3d7e
HTTP/3: fixed prefix in decoding Section Acknowledgement.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8460
diff
changeset
|
1468 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { |
| 8226 | 1469 break; |
| 1470 } | |
| 1471 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1472 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
|
1473 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
|
1474 return rc; |
| 8226 | 1475 } |
| 1476 | |
| 1477 goto done; | |
| 1478 | |
| 1479 case sw_cancel_stream: | |
| 1480 | |
| 1481 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
| 1482 break; | |
| 1483 } | |
| 1484 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1485 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
|
1486 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
|
1487 return rc; |
| 8226 | 1488 } |
| 1489 | |
| 1490 goto done; | |
| 1491 | |
| 1492 case sw_inc_insert_count: | |
| 1493 | |
| 1494 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
| 1495 break; | |
| 1496 } | |
| 1497 | |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1498 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
|
1499 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
|
1500 return rc; |
| 8226 | 1501 } |
| 1502 | |
| 1503 goto done; | |
| 1504 } | |
| 1505 | |
| 1506 return NGX_AGAIN; | |
| 1507 | |
| 1508 done: | |
| 1509 | |
| 1510 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 1511 "http3 parse decoder instruction done"); | |
| 1512 | |
| 1513 st->state = sw_start; | |
|
8456
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
8455
diff
changeset
|
1514 return NGX_AGAIN; |
| 8226 | 1515 } |
|
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1516 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1517 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1518 ngx_int_t |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1519 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
|
1520 u_char ch) |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1521 { |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1522 enum { |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1523 sw_start = 0, |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1524 sw_type, |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1525 sw_length |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1526 }; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1527 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1528 switch (st->state) { |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1529 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1530 case sw_start: |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1531 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1532 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
|
1533 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1534 st->state = sw_type; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1535 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1536 /* fall through */ |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1537 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1538 case sw_type: |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1539 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1540 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1541 break; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1542 } |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1543 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1544 if (st->vlint.value != NGX_HTTP_V3_FRAME_DATA) { |
|
8460
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
8457
diff
changeset
|
1545 return NGX_HTTP_V3_ERR_FRAME_UNEXPECTED; |
|
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 st->state = sw_length; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1549 break; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1550 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1551 case sw_length: |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1552 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1553 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1554 break; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1555 } |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1556 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1557 st->length = st->vlint.value; |
|
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 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1560 "http3 parse data frame len:%ui", st->length); |
|
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 goto done; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1563 } |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1564 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1565 return NGX_AGAIN; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1566 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1567 done: |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1568 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1569 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
|
1570 |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1571 st->state = sw_start; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1572 return NGX_DONE; |
|
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1573 } |