Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_parse.c @ 8295:5649079a41f4 quic
Parsing HTTP/3 request body.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Fri, 27 Mar 2020 19:41:06 +0300 |
parents | 36af1dab65e5 |
children | 032cb35ce758 |
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 | |
13 ngx_int_t | |
14 ngx_http_v3_parse_varlen_int(ngx_connection_t *c, | |
15 ngx_http_v3_parse_varlen_int_t *st, u_char ch) | |
16 { | |
17 enum { | |
18 sw_start = 0, | |
19 sw_length_2, | |
20 sw_length_3, | |
21 sw_length_4, | |
22 sw_length_5, | |
23 sw_length_6, | |
24 sw_length_7, | |
25 sw_length_8 | |
26 }; | |
27 | |
28 switch (st->state) { | |
29 | |
30 case sw_start: | |
31 | |
32 st->value = ch; | |
33 if (st->value & 0xc0) { | |
34 st->state = sw_length_2; | |
35 break; | |
36 } | |
37 | |
38 goto done; | |
39 | |
40 case sw_length_2: | |
41 | |
42 st->value = (st->value << 8) + ch; | |
43 if ((st->value & 0xc000) == 0x4000) { | |
44 st->value &= 0x3fff; | |
45 goto done; | |
46 } | |
47 | |
48 st->state = sw_length_3; | |
49 break; | |
50 | |
51 case sw_length_4: | |
52 | |
53 st->value = (st->value << 8) + ch; | |
54 if ((st->value & 0xc0000000) == 0x80000000) { | |
55 st->value &= 0x3fffffff; | |
56 goto done; | |
57 } | |
58 | |
59 st->state = sw_length_5; | |
60 break; | |
61 | |
62 case sw_length_3: | |
63 case sw_length_5: | |
64 case sw_length_6: | |
65 case sw_length_7: | |
66 | |
67 st->value = (st->value << 8) + ch; | |
68 st->state++; | |
69 break; | |
70 | |
71 case sw_length_8: | |
72 | |
73 st->value = (st->value << 8) + ch; | |
74 st->value &= 0x3fffffffffffffff; | |
75 goto done; | |
76 } | |
77 | |
78 return NGX_AGAIN; | |
79 | |
80 done: | |
81 | |
82 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
83 "http3 parse varlen int %uL", st->value); | |
84 | |
85 st->state = sw_start; | |
86 return NGX_DONE; | |
87 } | |
88 | |
89 | |
90 ngx_int_t | |
91 ngx_http_v3_parse_prefix_int(ngx_connection_t *c, | |
92 ngx_http_v3_parse_prefix_int_t *st, ngx_uint_t prefix, u_char ch) | |
93 { | |
94 enum { | |
95 sw_start = 0, | |
96 sw_value | |
97 }; | |
98 | |
99 switch (st->state) { | |
100 | |
101 case sw_start: | |
102 | |
103 st->mask = (1 << prefix) - 1; | |
104 st->value = (ch & st->mask); | |
105 | |
106 if (st->value != st->mask) { | |
107 goto done; | |
108 } | |
109 | |
110 st->value = 0; | |
111 st->state = sw_value; | |
112 break; | |
113 | |
114 case sw_value: | |
115 | |
116 st->value = (st->value << 7) + (ch & 0x7f); | |
117 if (ch & 0x80) { | |
118 break; | |
119 } | |
120 | |
121 st->value += st->mask; | |
122 goto done; | |
123 } | |
124 | |
125 return NGX_AGAIN; | |
126 | |
127 done: | |
128 | |
129 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
130 "http3 parse prefix int %uL", st->value); | |
131 | |
132 st->state = sw_start; | |
133 return NGX_DONE; | |
134 } | |
135 | |
136 | |
137 ngx_int_t | |
138 ngx_http_v3_parse_headers(ngx_connection_t *c, ngx_http_v3_parse_headers_t *st, | |
139 u_char ch) | |
140 { | |
141 ngx_int_t rc; | |
142 enum { | |
143 sw_start = 0, | |
144 sw_length, | |
145 sw_prefix, | |
146 sw_header_rep, | |
147 sw_done | |
148 }; | |
149 | |
150 switch (st->state) { | |
151 | |
152 case sw_start: | |
153 | |
154 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers"); | |
155 | |
156 if (ch != NGX_HTTP_V3_FRAME_HEADERS) { | |
157 return NGX_ERROR; | |
158 } | |
159 | |
160 st->state = sw_length; | |
161 break; | |
162 | |
163 case sw_length: | |
164 | |
165 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
166 break; | |
167 } | |
168 | |
169 st->length = st->vlint.value; | |
170 | |
171 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
172 "http3 parse headers len:%ui", st->length); | |
173 | |
174 st->state = sw_prefix; | |
175 break; | |
176 | |
177 case sw_prefix: | |
178 | |
179 if (st->length-- == 0) { | |
180 return NGX_ERROR; | |
181 } | |
182 | |
183 rc = ngx_http_v3_parse_header_block_prefix(c, &st->prefix, ch); | |
184 | |
185 if (rc == NGX_ERROR) { | |
186 return NGX_ERROR; | |
187 } | |
188 | |
189 if (rc != NGX_DONE) { | |
190 break; | |
191 } | |
192 | |
193 if (st->length == 0) { | |
194 return NGX_ERROR; | |
195 } | |
196 | |
197 st->state = sw_header_rep; | |
198 break; | |
199 | |
200 case sw_header_rep: | |
201 | |
202 rc = ngx_http_v3_parse_header_rep(c, &st->header_rep, st->prefix.base, | |
203 ch); | |
204 | |
205 if (rc == NGX_ERROR) { | |
206 return NGX_ERROR; | |
207 } | |
208 | |
209 if (--st->length == 0) { | |
210 if (rc != NGX_DONE) { | |
211 return NGX_ERROR; | |
212 } | |
213 | |
214 goto done; | |
215 } | |
216 | |
217 if (rc == NGX_DONE) { | |
218 return NGX_OK; | |
219 } | |
220 | |
221 break; | |
222 } | |
223 | |
224 return NGX_AGAIN; | |
225 | |
226 done: | |
227 | |
228 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers done"); | |
229 | |
230 st->state = sw_start; | |
231 return NGX_DONE; | |
232 } | |
233 | |
234 | |
235 ngx_int_t | |
236 ngx_http_v3_parse_header_block_prefix(ngx_connection_t *c, | |
237 ngx_http_v3_parse_header_block_prefix_t *st, u_char ch) | |
238 { | |
239 enum { | |
240 sw_start = 0, | |
241 sw_req_insert_count, | |
242 sw_delta_base, | |
243 sw_read_delta_base | |
244 }; | |
245 | |
246 switch (st->state) { | |
247 | |
248 case sw_start: | |
249 | |
250 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
251 "http3 parse header block prefix"); | |
252 | |
253 st->state = sw_req_insert_count; | |
254 | |
255 /* fall through */ | |
256 | |
257 case sw_req_insert_count: | |
258 | |
259 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 8, ch) != NGX_DONE) { | |
260 break; | |
261 } | |
262 | |
263 st->insert_count = st->pint.value; | |
264 st->state = sw_delta_base; | |
265 break; | |
266 | |
267 case sw_delta_base: | |
268 | |
269 st->sign = (ch & 0x80) ? 1 : 0; | |
270 st->state = sw_read_delta_base; | |
271 | |
272 /* fall through */ | |
273 | |
274 case sw_read_delta_base: | |
275 | |
276 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
277 break; | |
278 } | |
279 | |
280 st->delta_base = st->pint.value; | |
281 goto done; | |
282 } | |
283 | |
284 return NGX_AGAIN; | |
285 | |
286 done: | |
287 | |
288 if (st->sign) { | |
289 st->base = st->insert_count - st->delta_base - 1; | |
290 } else { | |
291 st->base = st->insert_count + st->delta_base; | |
292 } | |
293 | |
294 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
295 "http3 parse header block prefix done " | |
296 "i:%ui, s:%ui, d:%ui, base:%uL", | |
297 st->insert_count, st->sign, st->delta_base, st->base); | |
298 | |
299 st->state = sw_start; | |
300 return NGX_DONE; | |
301 } | |
302 | |
303 | |
304 ngx_int_t | |
305 ngx_http_v3_parse_header_rep(ngx_connection_t *c, | |
306 ngx_http_v3_parse_header_rep_t *st, ngx_uint_t base, u_char ch) | |
307 { | |
308 ngx_int_t rc; | |
309 enum { | |
310 sw_start = 0, | |
311 sw_header_ri, | |
312 sw_header_lri, | |
313 sw_header_l, | |
314 sw_header_pbi, | |
315 sw_header_lpbi | |
316 }; | |
317 | |
318 if (st->state == sw_start) { | |
319 | |
320 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
321 "http3 parse header representation"); | |
322 | |
323 ngx_memzero(&st->header, sizeof(ngx_http_v3_parse_header_t)); | |
324 | |
325 st->header.base = base; | |
326 | |
327 if (ch & 0x80) { | |
328 /* Indexed Header Field */ | |
329 | |
330 st->state = sw_header_ri; | |
331 | |
332 } else if (ch & 0x40) { | |
333 /* Literal Header Field With Name Reference */ | |
334 | |
335 st->state = sw_header_lri; | |
336 | |
337 } else if (ch & 0x20) { | |
338 /* Literal Header Field Without Name Reference */ | |
339 | |
340 st->state = sw_header_l; | |
341 | |
342 } else if (ch & 0x10) { | |
343 /* Indexed Header Field With Post-Base Index */ | |
344 | |
345 st->state = sw_header_pbi; | |
346 | |
347 } else { | |
348 /* Literal Header Field With Post-Base Name Reference */ | |
349 | |
350 st->state = sw_header_lpbi; | |
351 } | |
352 } | |
353 | |
354 switch (st->state) { | |
355 | |
356 case sw_header_ri: | |
357 rc = ngx_http_v3_parse_header_ri(c, &st->header, ch); | |
358 break; | |
359 | |
360 case sw_header_lri: | |
361 rc = ngx_http_v3_parse_header_lri(c, &st->header, ch); | |
362 break; | |
363 | |
364 case sw_header_l: | |
365 rc = ngx_http_v3_parse_header_l(c, &st->header, ch); | |
366 break; | |
367 | |
368 case sw_header_pbi: | |
369 rc = ngx_http_v3_parse_header_pbi(c, &st->header, ch); | |
370 break; | |
371 | |
372 case sw_header_lpbi: | |
373 rc = ngx_http_v3_parse_header_lpbi(c, &st->header, ch); | |
374 break; | |
375 | |
376 default: | |
377 rc = NGX_OK; | |
378 } | |
379 | |
380 if (rc == NGX_ERROR) { | |
381 return NGX_ERROR; | |
382 } | |
383 | |
384 if (rc == NGX_AGAIN) { | |
385 return NGX_AGAIN; | |
386 } | |
387 | |
388 /* rc == NGX_DONE */ | |
389 | |
390 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
391 "http3 parse header representation done"); | |
392 | |
393 st->state = sw_start; | |
394 return NGX_DONE; | |
395 } | |
396 | |
397 | |
398 ngx_int_t | |
399 ngx_http_v3_parse_literal(ngx_connection_t *c, ngx_http_v3_parse_literal_t *st, | |
400 u_char ch) | |
401 { | |
402 ngx_uint_t n; | |
403 enum { | |
404 sw_start = 0, | |
405 sw_value | |
406 }; | |
407 | |
408 switch (st->state) { | |
409 | |
410 case sw_start: | |
411 | |
412 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
413 "http3 parse literal huff:%ui, len:%ui", | |
414 st->huffman, st->length); | |
415 | |
416 n = st->length; | |
417 | |
418 if (st->huffman) { | |
419 n = n * 8 / 5; | |
420 st->huffstate = 0; | |
421 } | |
422 | |
423 st->last = ngx_pnalloc(c->pool, n + 1); | |
424 if (st->last == NULL) { | |
425 return NGX_ERROR; | |
426 } | |
427 | |
428 st->value.data = st->last; | |
429 st->state = sw_value; | |
430 | |
431 /* fall through */ | |
432 | |
433 case sw_value: | |
434 | |
435 if (st->huffman) { | |
436 if (ngx_http_v2_huff_decode(&st->huffstate, &ch, 1, &st->last, | |
437 st->length == 1, c->log) | |
438 != NGX_OK) | |
439 { | |
440 return NGX_ERROR; | |
441 } | |
442 | |
443 } else { | |
444 *st->last++ = ch; | |
445 } | |
446 | |
447 if (--st->length) { | |
448 break; | |
449 } | |
450 | |
451 st->value.len = st->last - st->value.data; | |
452 *st->last = '\0'; | |
453 goto done; | |
454 } | |
455 | |
456 return NGX_AGAIN; | |
457 | |
458 done: | |
459 | |
460 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
461 "http3 parse literal done \"%V\"", &st->value); | |
462 | |
463 st->state = sw_start; | |
464 return NGX_DONE; | |
465 } | |
466 | |
467 | |
468 ngx_int_t | |
469 ngx_http_v3_parse_header_ri(ngx_connection_t *c, ngx_http_v3_parse_header_t *st, | |
470 u_char ch) | |
471 { | |
472 ngx_http_v3_header_t *h; | |
473 enum { | |
474 sw_start = 0, | |
475 sw_index | |
476 }; | |
477 | |
478 switch (st->state) { | |
479 | |
480 case sw_start: | |
481 | |
482 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header ri"); | |
483 | |
484 st->dynamic = (ch & 0x40) ? 0 : 1; | |
485 st->state = sw_index; | |
486 | |
487 /* fall through */ | |
488 | |
489 case sw_index: | |
490 | |
491 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
492 break; | |
493 } | |
494 | |
495 st->index = st->pint.value; | |
496 goto done; | |
497 } | |
498 | |
499 return NGX_AGAIN; | |
500 | |
501 done: | |
502 | |
503 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
504 "http3 parse header ri done %s%ui]", | |
505 st->dynamic ? "dynamic[-" : "static[", st->index); | |
506 | |
507 if (st->dynamic) { | |
508 st->index = st->base - st->index - 1; | |
509 } | |
510 | |
511 h = ngx_http_v3_lookup_table(c, st->dynamic, st->index); | |
512 if (h == NULL) { | |
513 return NGX_ERROR; | |
514 } | |
515 | |
516 st->name = h->name; | |
517 st->value = h->value; | |
518 st->state = sw_start; | |
519 | |
520 return NGX_DONE; | |
521 } | |
522 | |
523 | |
524 ngx_int_t | |
525 ngx_http_v3_parse_header_lri(ngx_connection_t *c, | |
526 ngx_http_v3_parse_header_t *st, u_char ch) | |
527 { | |
528 ngx_int_t rc; | |
529 ngx_http_v3_header_t *h; | |
530 enum { | |
531 sw_start = 0, | |
532 sw_index, | |
533 sw_value_len, | |
534 sw_read_value_len, | |
535 sw_value | |
536 }; | |
537 | |
538 switch (st->state) { | |
539 | |
540 case sw_start: | |
541 | |
542 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header lri"); | |
543 | |
544 st->dynamic = (ch & 0x10) ? 0 : 1; | |
545 st->state = sw_index; | |
546 | |
547 /* fall through */ | |
548 | |
549 case sw_index: | |
550 | |
551 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch) != NGX_DONE) { | |
552 break; | |
553 } | |
554 | |
555 st->index = st->pint.value; | |
556 st->state = sw_value_len; | |
557 break; | |
558 | |
559 case sw_value_len: | |
560 | |
561 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
562 st->state = sw_read_value_len; | |
563 | |
564 /* fall through */ | |
565 | |
566 case sw_read_value_len: | |
567 | |
568 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
569 break; | |
570 } | |
571 | |
572 st->literal.length = st->pint.value; | |
573 if (st->literal.length == 0) { | |
574 goto done; | |
575 } | |
576 | |
577 st->state = sw_value; | |
578 break; | |
579 | |
580 case sw_value: | |
581 | |
582 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
583 | |
584 if (rc == NGX_ERROR) { | |
585 return NGX_ERROR; | |
586 } | |
587 | |
588 if (rc == NGX_DONE) { | |
589 st->value = st->literal.value; | |
590 goto done; | |
591 } | |
592 | |
593 break; | |
594 } | |
595 | |
596 return NGX_AGAIN; | |
597 | |
598 done: | |
599 | |
600 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
601 "http3 parse header lri done %s%ui] \"%V\"", | |
602 st->dynamic ? "dynamic[-" : "static[", | |
603 st->index, &st->value); | |
604 | |
605 if (st->dynamic) { | |
606 st->index = st->base - st->index - 1; | |
607 } | |
608 | |
609 h = ngx_http_v3_lookup_table(c, st->dynamic, st->index); | |
610 if (h == NULL) { | |
611 return NGX_ERROR; | |
612 } | |
613 | |
614 st->name = h->name; | |
615 st->state = sw_start; | |
616 return NGX_DONE; | |
617 } | |
618 | |
619 | |
620 ngx_int_t | |
621 ngx_http_v3_parse_header_l(ngx_connection_t *c, | |
622 ngx_http_v3_parse_header_t *st, u_char ch) | |
623 { | |
624 ngx_int_t rc; | |
625 enum { | |
626 sw_start = 0, | |
627 sw_name_len, | |
628 sw_name, | |
629 sw_value_len, | |
630 sw_read_value_len, | |
631 sw_value | |
632 }; | |
633 | |
634 switch (st->state) { | |
635 | |
636 case sw_start: | |
637 | |
638 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header l"); | |
639 | |
640 st->literal.huffman = (ch & 0x08) ? 1 : 0; | |
641 st->state = sw_name_len; | |
642 | |
643 /* fall through */ | |
644 | |
645 case sw_name_len: | |
646 | |
647 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch) != NGX_DONE) { | |
648 break; | |
649 } | |
650 | |
651 st->literal.length = st->pint.value; | |
652 if (st->literal.length == 0) { | |
653 return NGX_ERROR; | |
654 } | |
655 | |
656 st->state = sw_name; | |
657 break; | |
658 | |
659 case sw_name: | |
660 | |
661 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
662 | |
663 if (rc == NGX_ERROR) { | |
664 return NGX_ERROR; | |
665 } | |
666 | |
667 if (rc == NGX_DONE) { | |
668 st->name = st->literal.value; | |
669 st->state = sw_value_len; | |
670 } | |
671 | |
672 break; | |
673 | |
674 case sw_value_len: | |
675 | |
676 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
677 st->state = sw_read_value_len; | |
678 | |
679 /* fall through */ | |
680 | |
681 case sw_read_value_len: | |
682 | |
683 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
684 break; | |
685 } | |
686 | |
687 st->literal.length = st->pint.value; | |
688 if (st->literal.length == 0) { | |
689 goto done; | |
690 } | |
691 | |
692 st->state = sw_value; | |
693 break; | |
694 | |
695 case sw_value: | |
696 | |
697 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
698 | |
699 if (rc == NGX_ERROR) { | |
700 return NGX_ERROR; | |
701 } | |
702 | |
703 if (rc == NGX_DONE) { | |
704 st->value = st->literal.value; | |
705 goto done; | |
706 } | |
707 | |
708 break; | |
709 } | |
710 | |
711 return NGX_AGAIN; | |
712 | |
713 done: | |
714 | |
715 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
716 "http3 parse header l done \"%V\" \"%V\"", | |
717 &st->name, &st->value); | |
718 | |
719 st->state = sw_start; | |
720 return NGX_DONE; | |
721 } | |
722 | |
723 | |
724 ngx_int_t | |
725 ngx_http_v3_parse_header_pbi(ngx_connection_t *c, | |
726 ngx_http_v3_parse_header_t *st, u_char ch) | |
727 { | |
728 ngx_http_v3_header_t *h; | |
729 enum { | |
730 sw_start = 0, | |
731 sw_index | |
732 }; | |
733 | |
734 switch (st->state) { | |
735 | |
736 case sw_start: | |
737 | |
738 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header pbi"); | |
739 | |
740 st->state = sw_index; | |
741 | |
742 /* fall through */ | |
743 | |
744 case sw_index: | |
745 | |
746 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch) != NGX_DONE) { | |
747 break; | |
748 } | |
749 | |
750 st->index = st->pint.value; | |
751 goto done; | |
752 } | |
753 | |
754 return NGX_AGAIN; | |
755 | |
756 done: | |
757 | |
758 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
759 "http3 parse header pbi done dynamic[+%ui]", st->index); | |
760 | |
761 h = ngx_http_v3_lookup_table(c, 1, st->base + st->index); | |
762 if (h == NULL) { | |
763 return NGX_ERROR; | |
764 } | |
765 | |
766 st->name = h->name; | |
767 st->value = h->value; | |
768 st->state = sw_start; | |
769 return NGX_DONE; | |
770 } | |
771 | |
772 | |
773 ngx_int_t | |
774 ngx_http_v3_parse_header_lpbi(ngx_connection_t *c, | |
775 ngx_http_v3_parse_header_t *st, u_char ch) | |
776 { | |
777 ngx_int_t rc; | |
778 ngx_http_v3_header_t *h; | |
779 enum { | |
780 sw_start = 0, | |
781 sw_index, | |
782 sw_value_len, | |
783 sw_read_value_len, | |
784 sw_value | |
785 }; | |
786 | |
787 switch (st->state) { | |
788 | |
789 case sw_start: | |
790 | |
791 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
792 "http3 parse header lpbi"); | |
793 | |
794 st->state = sw_index; | |
795 | |
796 /* fall through */ | |
797 | |
798 case sw_index: | |
799 | |
800 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch) != NGX_DONE) { | |
801 break; | |
802 } | |
803 | |
804 st->index = st->pint.value; | |
805 st->state = sw_value_len; | |
806 break; | |
807 | |
808 case sw_value_len: | |
809 | |
810 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
811 st->state = sw_read_value_len; | |
812 | |
813 /* fall through */ | |
814 | |
815 case sw_read_value_len: | |
816 | |
817 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
818 break; | |
819 } | |
820 | |
821 st->literal.length = st->pint.value; | |
822 if (st->literal.length == 0) { | |
823 goto done; | |
824 } | |
825 | |
826 st->state = sw_value; | |
827 break; | |
828 | |
829 case sw_value: | |
830 | |
831 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
832 | |
833 if (rc == NGX_ERROR) { | |
834 return NGX_ERROR; | |
835 } | |
836 | |
837 if (rc == NGX_DONE) { | |
838 st->value = st->literal.value; | |
839 goto done; | |
840 } | |
841 | |
842 break; | |
843 } | |
844 | |
845 return NGX_AGAIN; | |
846 | |
847 done: | |
848 | |
849 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
850 "http3 parse header lpbi done dynamic[+%ui] \"%V\"", | |
851 st->index, &st->value); | |
852 | |
853 h = ngx_http_v3_lookup_table(c, 1, st->base + st->index); | |
854 if (h == NULL) { | |
855 return NGX_ERROR; | |
856 } | |
857 | |
858 st->name = h->name; | |
859 st->state = sw_start; | |
860 return NGX_DONE; | |
861 } | |
862 | |
863 | |
864 ngx_int_t | |
865 ngx_http_v3_parse_control(ngx_connection_t *c, void *data, u_char ch) | |
866 { | |
867 ngx_http_v3_parse_control_t *st = data; | |
868 | |
869 ngx_int_t rc; | |
870 enum { | |
871 sw_start = 0, | |
872 sw_type, | |
873 sw_length, | |
874 sw_settings, | |
875 sw_max_push_id, | |
876 sw_skip | |
877 }; | |
878 | |
879 switch (st->state) { | |
880 | |
881 case sw_start: | |
882 | |
883 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse control"); | |
884 | |
885 st->state = sw_type; | |
886 | |
887 /* fall through */ | |
888 | |
889 case sw_type: | |
890 | |
891 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
892 break; | |
893 } | |
894 | |
895 st->type = st->vlint.value; | |
896 | |
897 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
898 "http3 parse frame type:%ui", st->type); | |
899 | |
900 st->state = sw_length; | |
901 break; | |
902 | |
903 case sw_length: | |
904 | |
905 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
906 break; | |
907 } | |
908 | |
909 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
910 "http3 parse frame len:%uL", st->vlint.value); | |
911 | |
912 st->length = st->vlint.value; | |
913 if (st->length == 0) { | |
914 st->state = sw_type; | |
915 break; | |
916 } | |
917 | |
918 switch (st->type) { | |
919 | |
920 case NGX_HTTP_V3_FRAME_SETTINGS: | |
921 st->state = sw_settings; | |
922 break; | |
923 | |
924 case NGX_HTTP_V3_FRAME_MAX_PUSH_ID: | |
925 st->state = sw_max_push_id; | |
926 break; | |
927 | |
928 default: | |
929 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
930 "http3 parse skip unknown frame"); | |
931 st->state = sw_skip; | |
932 } | |
933 | |
934 break; | |
935 | |
936 case sw_settings: | |
937 | |
938 rc = ngx_http_v3_parse_settings(c, &st->settings, ch); | |
939 | |
940 if (rc == NGX_ERROR) { | |
941 return NGX_ERROR; | |
942 } | |
943 | |
944 if (--st->length > 0) { | |
945 break; | |
946 } | |
947 | |
948 if (rc != NGX_DONE) { | |
949 return NGX_ERROR; | |
950 } | |
951 | |
952 st->state = sw_type; | |
953 break; | |
954 | |
955 case sw_max_push_id: | |
956 | |
957 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
958 break; | |
959 } | |
960 | |
961 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
962 "http3 parse MAX_PUSH_ID:%uL", st->vlint.value); | |
963 | |
964 st->state = sw_type; | |
965 break; | |
966 | |
967 case sw_skip: | |
968 | |
969 if (--st->length == 0) { | |
970 st->state = sw_type; | |
971 } | |
972 | |
973 break; | |
974 } | |
975 | |
976 return NGX_AGAIN; | |
977 } | |
978 | |
979 | |
980 ngx_int_t | |
981 ngx_http_v3_parse_settings(ngx_connection_t *c, | |
982 ngx_http_v3_parse_settings_t *st, u_char ch) | |
983 { | |
984 enum { | |
985 sw_start = 0, | |
986 sw_id, | |
987 sw_value | |
988 }; | |
989 | |
990 switch (st->state) { | |
991 | |
992 case sw_start: | |
993 | |
994 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings"); | |
995 | |
996 st->state = sw_id; | |
997 | |
998 /* fall through */ | |
999 | |
1000 case sw_id: | |
1001 | |
1002 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
1003 break; | |
1004 } | |
1005 | |
1006 st->id = st->vlint.value; | |
1007 st->state = sw_value; | |
1008 break; | |
1009 | |
1010 case sw_value: | |
1011 | |
1012 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
1013 break; | |
1014 } | |
1015 | |
1016 if (ngx_http_v3_set_param(c, st->id, st->vlint.value) != NGX_OK) { | |
1017 return NGX_ERROR; | |
1018 } | |
1019 | |
1020 goto done; | |
1021 } | |
1022 | |
1023 return NGX_AGAIN; | |
1024 | |
1025 done: | |
1026 | |
1027 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings done"); | |
1028 | |
1029 st->state = sw_start; | |
1030 return NGX_DONE; | |
1031 } | |
1032 | |
1033 | |
1034 ngx_int_t | |
1035 ngx_http_v3_parse_encoder(ngx_connection_t *c, void *data, u_char ch) | |
1036 { | |
1037 ngx_http_v3_parse_encoder_t *st = data; | |
1038 | |
1039 ngx_int_t rc; | |
1040 enum { | |
1041 sw_start = 0, | |
1042 sw_inr, | |
1043 sw_iwnr, | |
1044 sw_capacity, | |
1045 sw_duplicate | |
1046 }; | |
1047 | |
1048 if (st->state == sw_start) { | |
1049 | |
1050 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1051 "http3 parse encoder instruction"); | |
1052 | |
1053 if (ch & 0x80) { | |
1054 /* Insert With Name Reference */ | |
1055 | |
1056 st->state = sw_inr; | |
1057 | |
1058 } else if (ch & 0x40) { | |
1059 /* Insert Without Name Reference */ | |
1060 | |
1061 st->state = sw_iwnr; | |
1062 | |
1063 } else if (ch & 0x20) { | |
1064 /* Set Dynamic Table Capacity */ | |
1065 | |
1066 st->state = sw_capacity; | |
1067 | |
1068 } else { | |
1069 /* Duplicate */ | |
1070 | |
1071 st->state = sw_duplicate; | |
1072 } | |
1073 } | |
1074 | |
1075 switch (st->state) { | |
1076 | |
1077 case sw_inr: | |
1078 | |
1079 rc = ngx_http_v3_parse_header_inr(c, &st->header, ch); | |
1080 | |
1081 if (rc == NGX_ERROR) { | |
1082 return NGX_ERROR; | |
1083 } | |
1084 | |
1085 if (rc != NGX_DONE) { | |
1086 break; | |
1087 } | |
1088 | |
1089 goto done; | |
1090 | |
1091 case sw_iwnr: | |
1092 | |
1093 rc = ngx_http_v3_parse_header_iwnr(c, &st->header, ch); | |
1094 | |
1095 if (rc == NGX_ERROR) { | |
1096 return NGX_ERROR; | |
1097 } | |
1098 | |
1099 if (rc != NGX_DONE) { | |
1100 break; | |
1101 } | |
1102 | |
1103 goto done; | |
1104 | |
1105 case sw_capacity: | |
1106 | |
1107 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) { | |
1108 break; | |
1109 } | |
1110 | |
1111 if (ngx_http_v3_set_capacity(c, st->pint.value) != NGX_OK) { | |
1112 return NGX_ERROR; | |
1113 } | |
1114 | |
1115 goto done; | |
1116 | |
1117 case sw_duplicate: | |
1118 | |
1119 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) { | |
1120 break; | |
1121 } | |
1122 | |
1123 if (ngx_http_v3_duplicate(c, st->pint.value) != NGX_OK) { | |
1124 return NGX_ERROR; | |
1125 } | |
1126 | |
1127 goto done; | |
1128 } | |
1129 | |
1130 return NGX_AGAIN; | |
1131 | |
1132 done: | |
1133 | |
1134 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1135 "http3 parse encoder instruction done"); | |
1136 | |
1137 st->state = sw_start; | |
1138 return NGX_DONE; | |
1139 } | |
1140 | |
1141 | |
1142 ngx_int_t | |
1143 ngx_http_v3_parse_header_inr(ngx_connection_t *c, | |
1144 ngx_http_v3_parse_header_t *st, u_char ch) | |
1145 { | |
1146 ngx_int_t rc; | |
1147 enum { | |
1148 sw_start = 0, | |
1149 sw_name_index, | |
1150 sw_value_len, | |
1151 sw_read_value_len, | |
1152 sw_value | |
1153 }; | |
1154 | |
1155 switch (st->state) { | |
1156 | |
1157 case sw_start: | |
1158 | |
1159 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header inr"); | |
1160 | |
1161 st->dynamic = (ch & 0x40) ? 0 : 1; | |
1162 st->state = sw_name_index; | |
1163 | |
1164 /* fall through */ | |
1165 | |
1166 case sw_name_index: | |
1167 | |
1168 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
1169 break; | |
1170 } | |
1171 | |
1172 st->index = st->pint.value; | |
1173 st->state = sw_value_len; | |
1174 break; | |
1175 | |
1176 case sw_value_len: | |
1177 | |
1178 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
1179 st->state = sw_read_value_len; | |
1180 | |
1181 /* fall through */ | |
1182 | |
1183 case sw_read_value_len: | |
1184 | |
1185 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
1186 break; | |
1187 } | |
1188 | |
1189 st->literal.length = st->pint.value; | |
1190 if (st->literal.length == 0) { | |
1191 goto done; | |
1192 } | |
1193 | |
1194 st->state = sw_value; | |
1195 break; | |
1196 | |
1197 case sw_value: | |
1198 | |
1199 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
1200 | |
1201 if (rc == NGX_ERROR) { | |
1202 return NGX_ERROR; | |
1203 } | |
1204 | |
1205 if (rc == NGX_DONE) { | |
1206 st->value = st->literal.value; | |
1207 goto done; | |
1208 } | |
1209 | |
1210 break; | |
1211 } | |
1212 | |
1213 return NGX_AGAIN; | |
1214 | |
1215 done: | |
1216 | |
1217 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1218 "http3 parse header inr done %s[%ui] \"%V\"", | |
1219 st->dynamic ? "dynamic" : "static", | |
1220 st->index, &st->value); | |
1221 | |
1222 if (ngx_http_v3_ref_insert(c, st->dynamic, st->index, &st->value) != NGX_OK) | |
1223 { | |
1224 return NGX_ERROR; | |
1225 } | |
1226 | |
1227 st->state = sw_start; | |
1228 return NGX_DONE; | |
1229 } | |
1230 | |
1231 | |
1232 ngx_int_t | |
1233 ngx_http_v3_parse_header_iwnr(ngx_connection_t *c, | |
1234 ngx_http_v3_parse_header_t *st, u_char ch) | |
1235 { | |
1236 ngx_int_t rc; | |
1237 enum { | |
1238 sw_start = 0, | |
1239 sw_name_len, | |
1240 sw_name, | |
1241 sw_value_len, | |
1242 sw_read_value_len, | |
1243 sw_value | |
1244 }; | |
1245 | |
1246 switch (st->state) { | |
1247 | |
1248 case sw_start: | |
1249 | |
1250 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1251 "http3 parse header iwnr"); | |
1252 | |
1253 st->literal.huffman = (ch & 0x20) ? 1 : 0; | |
1254 st->state = sw_name_len; | |
1255 | |
1256 /* fall through */ | |
1257 | |
1258 case sw_name_len: | |
1259 | |
1260 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch) != NGX_DONE) { | |
1261 break; | |
1262 } | |
1263 | |
1264 st->literal.length = st->pint.value; | |
1265 if (st->literal.length == 0) { | |
1266 return NGX_ERROR; | |
1267 } | |
1268 | |
1269 st->state = sw_name; | |
1270 break; | |
1271 | |
1272 case sw_name: | |
1273 | |
1274 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
1275 | |
1276 if (rc == NGX_ERROR) { | |
1277 return NGX_ERROR; | |
1278 } | |
1279 | |
1280 if (rc == NGX_DONE) { | |
1281 st->name = st->literal.value; | |
1282 st->state = sw_value_len; | |
1283 } | |
1284 | |
1285 break; | |
1286 | |
1287 case sw_value_len: | |
1288 | |
1289 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
1290 st->state = sw_read_value_len; | |
1291 | |
1292 /* fall through */ | |
1293 | |
1294 case sw_read_value_len: | |
1295 | |
1296 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch) != NGX_DONE) { | |
1297 break; | |
1298 } | |
1299 | |
1300 st->literal.length = st->pint.value; | |
1301 if (st->literal.length == 0) { | |
1302 goto done; | |
1303 } | |
1304 | |
1305 st->state = sw_value; | |
1306 break; | |
1307 | |
1308 case sw_value: | |
1309 | |
1310 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
1311 | |
1312 if (rc == NGX_ERROR) { | |
1313 return NGX_ERROR; | |
1314 } | |
1315 | |
1316 if (rc == NGX_DONE) { | |
1317 st->value = st->literal.value; | |
1318 goto done; | |
1319 } | |
1320 | |
1321 break; | |
1322 } | |
1323 | |
1324 return NGX_AGAIN; | |
1325 | |
1326 done: | |
1327 | |
1328 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1329 "http3 parse header iwnr done \"%V\":\"%V\"", | |
1330 &st->name, &st->value); | |
1331 | |
1332 if (ngx_http_v3_insert(c, &st->name, &st->value) != NGX_OK) { | |
1333 return NGX_ERROR; | |
1334 } | |
1335 | |
1336 st->state = sw_start; | |
1337 return NGX_DONE; | |
1338 } | |
1339 | |
1340 | |
1341 ngx_int_t | |
1342 ngx_http_v3_parse_decoder(ngx_connection_t *c, void *data, u_char ch) | |
1343 { | |
1344 ngx_http_v3_parse_decoder_t *st = data; | |
1345 | |
1346 enum { | |
1347 sw_start = 0, | |
1348 sw_ack_header, | |
1349 sw_cancel_stream, | |
1350 sw_inc_insert_count | |
1351 }; | |
1352 | |
1353 if (st->state == sw_start) { | |
1354 | |
1355 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1356 "http3 parse decoder instruction"); | |
1357 | |
1358 if (ch & 0x80) { | |
1359 /* Header Acknowledgement */ | |
1360 | |
1361 st->state = sw_ack_header; | |
1362 | |
1363 } else if (ch & 0x40) { | |
1364 /* Stream Cancellation */ | |
1365 | |
1366 st->state = sw_cancel_stream; | |
1367 | |
1368 } else { | |
1369 /* Insert Count Increment */ | |
1370 | |
1371 st->state = sw_inc_insert_count; | |
1372 } | |
1373 } | |
1374 | |
1375 switch (st->state) { | |
1376 | |
1377 case sw_ack_header: | |
1378 | |
1379 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
1380 break; | |
1381 } | |
1382 | |
1383 if (ngx_http_v3_ack_header(c, st->pint.value) != NGX_OK) { | |
1384 return NGX_ERROR; | |
1385 } | |
1386 | |
1387 goto done; | |
1388 | |
1389 case sw_cancel_stream: | |
1390 | |
1391 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
1392 break; | |
1393 } | |
1394 | |
1395 if (ngx_http_v3_cancel_stream(c, st->pint.value) != NGX_OK) { | |
1396 return NGX_ERROR; | |
1397 } | |
1398 | |
1399 goto done; | |
1400 | |
1401 case sw_inc_insert_count: | |
1402 | |
1403 if (ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch) != NGX_DONE) { | |
1404 break; | |
1405 } | |
1406 | |
1407 if (ngx_http_v3_inc_insert_count(c, st->pint.value) != NGX_OK) { | |
1408 return NGX_ERROR; | |
1409 } | |
1410 | |
1411 goto done; | |
1412 } | |
1413 | |
1414 return NGX_AGAIN; | |
1415 | |
1416 done: | |
1417 | |
1418 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1419 "http3 parse decoder instruction done"); | |
1420 | |
1421 st->state = sw_start; | |
1422 return NGX_DONE; | |
1423 } | |
8295
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1424 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1425 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1426 ngx_int_t |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1427 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:
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diff
changeset
|
1428 u_char ch) |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1429 { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1430 enum { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1431 sw_start = 0, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1432 sw_type, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1433 sw_length |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1434 }; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
8227
diff
changeset
|
1435 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1436 switch (st->state) { |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1437 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1438 case sw_start: |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1439 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1440 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse data"); |
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Parsing HTTP/3 request body.
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diff
changeset
|
1441 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1442 st->state = sw_type; |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1443 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1444 /* fall through */ |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1445 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1446 case sw_type: |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1447 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1448 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1449 break; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1450 } |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1451 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1452 if (st->vlint.value != NGX_HTTP_V3_FRAME_DATA) { |
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Parsing HTTP/3 request body.
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diff
changeset
|
1453 return NGX_ERROR; |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1454 } |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1455 |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1456 st->state = sw_length; |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1457 break; |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1458 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1459 case sw_length: |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1460 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1461 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1462 break; |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1463 } |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1464 |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1465 st->length = st->vlint.value; |
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Parsing HTTP/3 request body.
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diff
changeset
|
1466 |
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Parsing HTTP/3 request body.
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diff
changeset
|
1467 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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Parsing HTTP/3 request body.
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diff
changeset
|
1468 "http3 parse data frame len:%ui", st->length); |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1469 |
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Parsing HTTP/3 request body.
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diff
changeset
|
1470 goto done; |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1471 } |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1472 |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1473 return NGX_AGAIN; |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1474 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1475 done: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1476 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1477 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse data done"); |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1478 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1479 st->state = sw_start; |
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Parsing HTTP/3 request body.
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diff
changeset
|
1480 return NGX_DONE; |
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Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1481 } |