Mercurial > hg > nginx-quic
annotate src/http/v3/ngx_http_v3_parse.c @ 7960:5611bbb852ce quic
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Fri, 03 Jul 2020 12:05:05 +0300 |
parents | fdb8edc8e496 |
children | 4fd709540daf |
rev | line source |
---|---|
7692 | 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 |
7692 | 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; |
7692 | 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; |
7692 | 110 |
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111 if (st->value != mask) { |
7692 | 112 goto done; |
113 } | |
114 | |
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115 st->shift = 0; |
7692 | 116 st->state = sw_value; |
117 break; | |
118 | |
119 case sw_value: | |
120 | |
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121 st->value += (uint64_t) (ch & 0x7f) << st->shift; |
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122 |
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123 if (st->shift == 56 |
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124 && ((ch & 0x80) || (st->value & 0xc000000000000000))) |
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125 { |
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126 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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127 "client exceeded integer size limit"); |
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128 return NGX_HTTP_V3_ERR_EXCESSIVE_LOAD; |
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129 } |
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130 |
7692 | 131 if (ch & 0x80) { |
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132 st->shift += 7; |
7692 | 133 break; |
134 } | |
135 | |
136 goto done; | |
137 } | |
138 | |
139 return NGX_AGAIN; | |
140 | |
141 done: | |
142 | |
143 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
144 "http3 parse prefix int %uL", st->value); | |
145 | |
146 st->state = sw_start; | |
147 return NGX_DONE; | |
148 } | |
149 | |
150 | |
151 ngx_int_t | |
152 ngx_http_v3_parse_headers(ngx_connection_t *c, ngx_http_v3_parse_headers_t *st, | |
153 u_char ch) | |
154 { | |
155 ngx_int_t rc; | |
156 enum { | |
157 sw_start = 0, | |
158 sw_length, | |
159 sw_prefix, | |
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160 sw_verify, |
7692 | 161 sw_header_rep, |
162 sw_done | |
163 }; | |
164 | |
165 switch (st->state) { | |
166 | |
167 case sw_start: | |
168 | |
169 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers"); | |
170 | |
171 if (ch != NGX_HTTP_V3_FRAME_HEADERS) { | |
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172 return NGX_HTTP_V3_ERR_FRAME_UNEXPECTED; |
7692 | 173 } |
174 | |
175 st->state = sw_length; | |
176 break; | |
177 | |
178 case sw_length: | |
179 | |
180 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
181 break; | |
182 } | |
183 | |
184 st->length = st->vlint.value; | |
185 | |
186 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
187 "http3 parse headers len:%ui", st->length); | |
188 | |
189 st->state = sw_prefix; | |
190 break; | |
191 | |
192 case sw_prefix: | |
193 | |
194 if (st->length-- == 0) { | |
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195 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
7692 | 196 } |
197 | |
198 rc = ngx_http_v3_parse_header_block_prefix(c, &st->prefix, ch); | |
199 | |
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200 if (rc == NGX_AGAIN) { |
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201 break; |
7692 | 202 } |
203 | |
204 if (rc != NGX_DONE) { | |
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205 return rc; |
7692 | 206 } |
207 | |
208 if (st->length == 0) { | |
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209 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
7692 | 210 } |
211 | |
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212 st->state = sw_verify; |
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213 break; |
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214 |
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215 case sw_verify: |
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216 |
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217 rc = ngx_http_v3_check_insert_count(c, st->prefix.insert_count); |
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218 if (rc != NGX_OK) { |
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219 return rc; |
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220 } |
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221 |
7692 | 222 st->state = sw_header_rep; |
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223 |
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224 /* fall through */ |
7692 | 225 |
226 case sw_header_rep: | |
227 | |
228 rc = ngx_http_v3_parse_header_rep(c, &st->header_rep, st->prefix.base, | |
229 ch); | |
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230 st->length--; |
7692 | 231 |
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232 if (rc == NGX_AGAIN) { |
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233 if (st->length == 0) { |
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234 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
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235 } |
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236 |
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237 break; |
7692 | 238 } |
239 | |
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240 if (rc != NGX_DONE) { |
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241 return rc; |
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242 } |
7692 | 243 |
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244 if (st->length == 0) { |
7692 | 245 goto done; |
246 } | |
247 | |
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248 return NGX_OK; |
7692 | 249 } |
250 | |
251 return NGX_AGAIN; | |
252 | |
253 done: | |
254 | |
255 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers done"); | |
256 | |
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257 if (st->prefix.insert_count > 0) { |
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258 if (ngx_http_v3_client_ack_header(c, c->qs->id) != NGX_OK) { |
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259 return NGX_ERROR; |
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260 } |
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261 } |
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262 |
7692 | 263 st->state = sw_start; |
264 return NGX_DONE; | |
265 } | |
266 | |
267 | |
268 ngx_int_t | |
269 ngx_http_v3_parse_header_block_prefix(ngx_connection_t *c, | |
270 ngx_http_v3_parse_header_block_prefix_t *st, u_char ch) | |
271 { | |
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272 ngx_int_t rc; |
7692 | 273 enum { |
274 sw_start = 0, | |
275 sw_req_insert_count, | |
276 sw_delta_base, | |
277 sw_read_delta_base | |
278 }; | |
279 | |
280 switch (st->state) { | |
281 | |
282 case sw_start: | |
283 | |
284 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
285 "http3 parse header block prefix"); | |
286 | |
287 st->state = sw_req_insert_count; | |
288 | |
289 /* fall through */ | |
290 | |
291 case sw_req_insert_count: | |
292 | |
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293 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 8, ch); |
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294 if (rc != NGX_DONE) { |
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295 return rc; |
7692 | 296 } |
297 | |
298 st->insert_count = st->pint.value; | |
299 st->state = sw_delta_base; | |
300 break; | |
301 | |
302 case sw_delta_base: | |
303 | |
304 st->sign = (ch & 0x80) ? 1 : 0; | |
305 st->state = sw_read_delta_base; | |
306 | |
307 /* fall through */ | |
308 | |
309 case sw_read_delta_base: | |
310 | |
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311 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
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312 if (rc != NGX_DONE) { |
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313 return rc; |
7692 | 314 } |
315 | |
316 st->delta_base = st->pint.value; | |
317 goto done; | |
318 } | |
319 | |
320 return NGX_AGAIN; | |
321 | |
322 done: | |
323 | |
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324 rc = ngx_http_v3_decode_insert_count(c, &st->insert_count); |
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325 if (rc != NGX_OK) { |
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326 return rc; |
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327 } |
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328 |
7692 | 329 if (st->sign) { |
330 st->base = st->insert_count - st->delta_base - 1; | |
331 } else { | |
332 st->base = st->insert_count + st->delta_base; | |
333 } | |
334 | |
335 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
336 "http3 parse header block prefix done " | |
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337 "insert_count:%ui, sign:%ui, delta_base:%ui, base:%uL", |
7692 | 338 st->insert_count, st->sign, st->delta_base, st->base); |
339 | |
340 st->state = sw_start; | |
341 return NGX_DONE; | |
342 } | |
343 | |
344 | |
345 ngx_int_t | |
346 ngx_http_v3_parse_header_rep(ngx_connection_t *c, | |
347 ngx_http_v3_parse_header_rep_t *st, ngx_uint_t base, u_char ch) | |
348 { | |
349 ngx_int_t rc; | |
350 enum { | |
351 sw_start = 0, | |
352 sw_header_ri, | |
353 sw_header_lri, | |
354 sw_header_l, | |
355 sw_header_pbi, | |
356 sw_header_lpbi | |
357 }; | |
358 | |
359 if (st->state == sw_start) { | |
360 | |
361 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
362 "http3 parse header representation"); | |
363 | |
364 ngx_memzero(&st->header, sizeof(ngx_http_v3_parse_header_t)); | |
365 | |
366 st->header.base = base; | |
367 | |
368 if (ch & 0x80) { | |
369 /* Indexed Header Field */ | |
370 | |
371 st->state = sw_header_ri; | |
372 | |
373 } else if (ch & 0x40) { | |
374 /* Literal Header Field With Name Reference */ | |
375 | |
376 st->state = sw_header_lri; | |
377 | |
378 } else if (ch & 0x20) { | |
379 /* Literal Header Field Without Name Reference */ | |
380 | |
381 st->state = sw_header_l; | |
382 | |
383 } else if (ch & 0x10) { | |
384 /* Indexed Header Field With Post-Base Index */ | |
385 | |
386 st->state = sw_header_pbi; | |
387 | |
388 } else { | |
389 /* Literal Header Field With Post-Base Name Reference */ | |
390 | |
391 st->state = sw_header_lpbi; | |
392 } | |
393 } | |
394 | |
395 switch (st->state) { | |
396 | |
397 case sw_header_ri: | |
398 rc = ngx_http_v3_parse_header_ri(c, &st->header, ch); | |
399 break; | |
400 | |
401 case sw_header_lri: | |
402 rc = ngx_http_v3_parse_header_lri(c, &st->header, ch); | |
403 break; | |
404 | |
405 case sw_header_l: | |
406 rc = ngx_http_v3_parse_header_l(c, &st->header, ch); | |
407 break; | |
408 | |
409 case sw_header_pbi: | |
410 rc = ngx_http_v3_parse_header_pbi(c, &st->header, ch); | |
411 break; | |
412 | |
413 case sw_header_lpbi: | |
414 rc = ngx_http_v3_parse_header_lpbi(c, &st->header, ch); | |
415 break; | |
416 | |
417 default: | |
418 rc = NGX_OK; | |
419 } | |
420 | |
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421 if (rc != NGX_DONE) { |
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422 return rc; |
7692 | 423 } |
424 | |
425 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
426 "http3 parse header representation done"); | |
427 | |
428 st->state = sw_start; | |
429 return NGX_DONE; | |
430 } | |
431 | |
432 | |
433 ngx_int_t | |
434 ngx_http_v3_parse_literal(ngx_connection_t *c, ngx_http_v3_parse_literal_t *st, | |
435 u_char ch) | |
436 { | |
7949
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HTTP/3: http3_max_field_size directive to limit string size.
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diff
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|
437 ngx_uint_t n; |
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diff
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|
438 ngx_http_v3_srv_conf_t *v3cf; |
7692 | 439 enum { |
440 sw_start = 0, | |
441 sw_value | |
442 }; | |
443 | |
444 switch (st->state) { | |
445 | |
446 case sw_start: | |
447 | |
448 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
449 "http3 parse literal huff:%ui, len:%ui", | |
450 st->huffman, st->length); | |
451 | |
452 n = st->length; | |
453 | |
7949
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diff
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|
454 v3cf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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diff
changeset
|
455 |
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diff
changeset
|
456 if (n > v3cf->max_field_size) { |
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7951
diff
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|
457 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
7949
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458 "client exceeded http3_max_field_size limit"); |
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459 return NGX_HTTP_V3_ERR_EXCESSIVE_LOAD; |
7949
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diff
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|
460 } |
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diff
changeset
|
461 |
7692 | 462 if (st->huffman) { |
463 n = n * 8 / 5; | |
464 st->huffstate = 0; | |
465 } | |
466 | |
467 st->last = ngx_pnalloc(c->pool, n + 1); | |
468 if (st->last == NULL) { | |
469 return NGX_ERROR; | |
470 } | |
471 | |
472 st->value.data = st->last; | |
473 st->state = sw_value; | |
474 | |
475 /* fall through */ | |
476 | |
477 case sw_value: | |
478 | |
479 if (st->huffman) { | |
480 if (ngx_http_v2_huff_decode(&st->huffstate, &ch, 1, &st->last, | |
481 st->length == 1, c->log) | |
482 != NGX_OK) | |
483 { | |
484 return NGX_ERROR; | |
485 } | |
486 | |
487 } else { | |
488 *st->last++ = ch; | |
489 } | |
490 | |
491 if (--st->length) { | |
492 break; | |
493 } | |
494 | |
495 st->value.len = st->last - st->value.data; | |
496 *st->last = '\0'; | |
497 goto done; | |
498 } | |
499 | |
500 return NGX_AGAIN; | |
501 | |
502 done: | |
503 | |
504 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
505 "http3 parse literal done \"%V\"", &st->value); | |
506 | |
507 st->state = sw_start; | |
508 return NGX_DONE; | |
509 } | |
510 | |
511 | |
512 ngx_int_t | |
513 ngx_http_v3_parse_header_ri(ngx_connection_t *c, ngx_http_v3_parse_header_t *st, | |
514 u_char ch) | |
515 { | |
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516 ngx_int_t rc; |
7692 | 517 enum { |
518 sw_start = 0, | |
519 sw_index | |
520 }; | |
521 | |
522 switch (st->state) { | |
523 | |
524 case sw_start: | |
525 | |
526 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header ri"); | |
527 | |
528 st->dynamic = (ch & 0x40) ? 0 : 1; | |
529 st->state = sw_index; | |
530 | |
531 /* fall through */ | |
532 | |
533 case sw_index: | |
534 | |
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535 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch); |
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|
536 if (rc != NGX_DONE) { |
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diff
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|
537 return rc; |
7692 | 538 } |
539 | |
540 st->index = st->pint.value; | |
541 goto done; | |
542 } | |
543 | |
544 return NGX_AGAIN; | |
545 | |
546 done: | |
547 | |
548 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
549 "http3 parse header ri done %s%ui]", | |
550 st->dynamic ? "dynamic[-" : "static[", st->index); | |
551 | |
552 if (st->dynamic) { | |
553 st->index = st->base - st->index - 1; | |
554 } | |
555 | |
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556 rc = ngx_http_v3_parse_lookup(c, st->dynamic, st->index, &st->name, |
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557 &st->value); |
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558 if (rc != NGX_OK) { |
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559 return rc; |
7692 | 560 } |
561 | |
562 st->state = sw_start; | |
563 return NGX_DONE; | |
564 } | |
565 | |
566 | |
567 ngx_int_t | |
568 ngx_http_v3_parse_header_lri(ngx_connection_t *c, | |
569 ngx_http_v3_parse_header_t *st, u_char ch) | |
570 { | |
7951
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HTTP/3: refactored dynamic table implementation.
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diff
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|
571 ngx_int_t rc; |
7692 | 572 enum { |
573 sw_start = 0, | |
574 sw_index, | |
575 sw_value_len, | |
576 sw_read_value_len, | |
577 sw_value | |
578 }; | |
579 | |
580 switch (st->state) { | |
581 | |
582 case sw_start: | |
583 | |
584 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header lri"); | |
585 | |
586 st->dynamic = (ch & 0x10) ? 0 : 1; | |
587 st->state = sw_index; | |
588 | |
589 /* fall through */ | |
590 | |
591 case sw_index: | |
592 | |
7959
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593 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch); |
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HTTP/3: limited prefixed integer size by 62 bits.
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diff
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|
594 if (rc != NGX_DONE) { |
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diff
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|
595 return rc; |
7692 | 596 } |
597 | |
598 st->index = st->pint.value; | |
599 st->state = sw_value_len; | |
600 break; | |
601 | |
602 case sw_value_len: | |
603 | |
604 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
605 st->state = sw_read_value_len; | |
606 | |
607 /* fall through */ | |
608 | |
609 case sw_read_value_len: | |
610 | |
7959
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|
611 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
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|
612 if (rc != NGX_DONE) { |
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diff
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|
613 return rc; |
7692 | 614 } |
615 | |
616 st->literal.length = st->pint.value; | |
617 if (st->literal.length == 0) { | |
618 goto done; | |
619 } | |
620 | |
621 st->state = sw_value; | |
622 break; | |
623 | |
624 case sw_value: | |
625 | |
626 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
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diff
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|
627 if (rc != NGX_DONE) { |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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|
628 return rc; |
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diff
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|
629 } |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
630 |
7960
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HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
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diff
changeset
|
631 st->value = st->literal.value; |
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HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
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diff
changeset
|
632 goto done; |
7692 | 633 } |
634 | |
635 return NGX_AGAIN; | |
636 | |
637 done: | |
638 | |
639 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
640 "http3 parse header lri done %s%ui] \"%V\"", | |
641 st->dynamic ? "dynamic[-" : "static[", | |
642 st->index, &st->value); | |
643 | |
644 if (st->dynamic) { | |
645 st->index = st->base - st->index - 1; | |
646 } | |
647 | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
648 rc = ngx_http_v3_parse_lookup(c, st->dynamic, st->index, &st->name, NULL); |
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|
649 if (rc != NGX_OK) { |
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|
650 return rc; |
7692 | 651 } |
652 | |
653 st->state = sw_start; | |
654 return NGX_DONE; | |
655 } | |
656 | |
657 | |
658 ngx_int_t | |
659 ngx_http_v3_parse_header_l(ngx_connection_t *c, | |
660 ngx_http_v3_parse_header_t *st, u_char ch) | |
661 { | |
662 ngx_int_t rc; | |
663 enum { | |
664 sw_start = 0, | |
665 sw_name_len, | |
666 sw_name, | |
667 sw_value_len, | |
668 sw_read_value_len, | |
669 sw_value | |
670 }; | |
671 | |
672 switch (st->state) { | |
673 | |
674 case sw_start: | |
675 | |
676 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header l"); | |
677 | |
678 st->literal.huffman = (ch & 0x08) ? 1 : 0; | |
679 st->state = sw_name_len; | |
680 | |
681 /* fall through */ | |
682 | |
683 case sw_name_len: | |
684 | |
7959
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diff
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685 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch); |
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|
686 if (rc != NGX_DONE) { |
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diff
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|
687 return rc; |
7692 | 688 } |
689 | |
690 st->literal.length = st->pint.value; | |
691 if (st->literal.length == 0) { | |
692 return NGX_ERROR; | |
693 } | |
694 | |
695 st->state = sw_name; | |
696 break; | |
697 | |
698 case sw_name: | |
699 | |
700 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
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|
701 if (rc != NGX_DONE) { |
7955
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702 return rc; |
7692 | 703 } |
704 | |
7960
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HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
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diff
changeset
|
705 st->name = st->literal.value; |
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diff
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|
706 st->state = sw_value_len; |
7692 | 707 break; |
708 | |
709 case sw_value_len: | |
710 | |
711 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
712 st->state = sw_read_value_len; | |
713 | |
714 /* fall through */ | |
715 | |
716 case sw_read_value_len: | |
717 | |
7959
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HTTP/3: limited prefixed integer size by 62 bits.
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7958
diff
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718 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
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HTTP/3: limited prefixed integer size by 62 bits.
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7958
diff
changeset
|
719 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
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7958
diff
changeset
|
720 return rc; |
7692 | 721 } |
722 | |
723 st->literal.length = st->pint.value; | |
724 if (st->literal.length == 0) { | |
725 goto done; | |
726 } | |
727 | |
728 st->state = sw_value; | |
729 break; | |
730 | |
731 case sw_value: | |
732 | |
733 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
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HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
734 if (rc != NGX_DONE) { |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
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|
735 return rc; |
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7952
diff
changeset
|
736 } |
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
737 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
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diff
changeset
|
738 st->value = st->literal.value; |
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
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7959
diff
changeset
|
739 goto done; |
7692 | 740 } |
741 | |
742 return NGX_AGAIN; | |
743 | |
744 done: | |
745 | |
746 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
747 "http3 parse header l done \"%V\" \"%V\"", | |
748 &st->name, &st->value); | |
749 | |
750 st->state = sw_start; | |
751 return NGX_DONE; | |
752 } | |
753 | |
754 | |
755 ngx_int_t | |
756 ngx_http_v3_parse_header_pbi(ngx_connection_t *c, | |
757 ngx_http_v3_parse_header_t *st, u_char ch) | |
758 { | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
759 ngx_int_t rc; |
7692 | 760 enum { |
761 sw_start = 0, | |
762 sw_index | |
763 }; | |
764 | |
765 switch (st->state) { | |
766 | |
767 case sw_start: | |
768 | |
769 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header pbi"); | |
770 | |
771 st->state = sw_index; | |
772 | |
773 /* fall through */ | |
774 | |
775 case sw_index: | |
776 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
777 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
778 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
779 return rc; |
7692 | 780 } |
781 | |
782 st->index = st->pint.value; | |
783 goto done; | |
784 } | |
785 | |
786 return NGX_AGAIN; | |
787 | |
788 done: | |
789 | |
790 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
791 "http3 parse header pbi done dynamic[+%ui]", st->index); | |
792 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
793 rc = ngx_http_v3_parse_lookup(c, 1, st->base + st->index, &st->name, |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
794 &st->value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
795 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
796 return rc; |
7692 | 797 } |
798 | |
799 st->state = sw_start; | |
800 return NGX_DONE; | |
801 } | |
802 | |
803 | |
804 ngx_int_t | |
805 ngx_http_v3_parse_header_lpbi(ngx_connection_t *c, | |
806 ngx_http_v3_parse_header_t *st, u_char ch) | |
807 { | |
7951
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HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
808 ngx_int_t rc; |
7692 | 809 enum { |
810 sw_start = 0, | |
811 sw_index, | |
812 sw_value_len, | |
813 sw_read_value_len, | |
814 sw_value | |
815 }; | |
816 | |
817 switch (st->state) { | |
818 | |
819 case sw_start: | |
820 | |
821 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
822 "http3 parse header lpbi"); | |
823 | |
824 st->state = sw_index; | |
825 | |
826 /* fall through */ | |
827 | |
828 case sw_index: | |
829 | |
7959
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HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
830 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch); |
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HTTP/3: limited prefixed integer size by 62 bits.
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parents:
7958
diff
changeset
|
831 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
832 return rc; |
7692 | 833 } |
834 | |
835 st->index = st->pint.value; | |
836 st->state = sw_value_len; | |
837 break; | |
838 | |
839 case sw_value_len: | |
840 | |
841 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
842 st->state = sw_read_value_len; | |
843 | |
844 /* fall through */ | |
845 | |
846 case sw_read_value_len: | |
847 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
848 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
849 if (rc != NGX_DONE) { |
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HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
850 return rc; |
7692 | 851 } |
852 | |
853 st->literal.length = st->pint.value; | |
854 if (st->literal.length == 0) { | |
855 goto done; | |
856 } | |
857 | |
858 st->state = sw_value; | |
859 break; | |
860 | |
861 case sw_value: | |
862 | |
863 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
864 if (rc != NGX_DONE) { |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
865 return rc; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
866 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
867 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
868 st->value = st->literal.value; |
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
869 goto done; |
7692 | 870 } |
871 | |
872 return NGX_AGAIN; | |
873 | |
874 done: | |
875 | |
876 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
877 "http3 parse header lpbi done dynamic[+%ui] \"%V\"", | |
878 st->index, &st->value); | |
879 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
880 rc = ngx_http_v3_parse_lookup(c, 1, st->base + st->index, &st->name, NULL); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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7952
diff
changeset
|
881 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
882 return rc; |
7692 | 883 } |
884 | |
885 st->state = sw_start; | |
886 return NGX_DONE; | |
887 } | |
888 | |
889 | |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
890 static ngx_int_t |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
891 ngx_http_v3_parse_lookup(ngx_connection_t *c, ngx_uint_t dynamic, |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
892 ngx_uint_t index, ngx_str_t *name, ngx_str_t *value) |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
893 { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
894 u_char *p; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
895 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
896 if (!dynamic) { |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
897 if (ngx_http_v3_lookup_static(c, index, name, value) != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
898 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
899 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
900 |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
901 return NGX_OK; |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
902 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
903 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
904 if (ngx_http_v3_lookup(c, index, name, value) != NGX_OK) { |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
905 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
906 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
907 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
908 if (name) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
909 p = ngx_pnalloc(c->pool, name->len + 1); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
910 if (p == NULL) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
911 return NGX_ERROR; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
912 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
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parents:
7950
diff
changeset
|
913 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
914 ngx_memcpy(p, name->data, name->len); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
915 p[name->len] = '\0'; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
916 name->data = p; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
917 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
918 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
919 if (value) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
920 p = ngx_pnalloc(c->pool, value->len + 1); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
921 if (p == NULL) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
922 return NGX_ERROR; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
923 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
924 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
925 ngx_memcpy(p, value->data, value->len); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
926 p[value->len] = '\0'; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
927 value->data = p; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
928 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
929 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
930 return NGX_OK; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
931 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
932 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
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parents:
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diff
changeset
|
933 |
7692 | 934 ngx_int_t |
935 ngx_http_v3_parse_control(ngx_connection_t *c, void *data, u_char ch) | |
936 { | |
937 ngx_http_v3_parse_control_t *st = data; | |
938 | |
939 ngx_int_t rc; | |
940 enum { | |
941 sw_start = 0, | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
942 sw_first_type, |
7692 | 943 sw_type, |
944 sw_length, | |
945 sw_settings, | |
946 sw_max_push_id, | |
947 sw_skip | |
948 }; | |
949 | |
950 switch (st->state) { | |
951 | |
952 case sw_start: | |
953 | |
954 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse control"); | |
955 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
956 st->state = sw_first_type; |
7692 | 957 |
958 /* fall through */ | |
959 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
960 case sw_first_type: |
7692 | 961 case sw_type: |
962 | |
963 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
964 break; | |
965 } | |
966 | |
967 st->type = st->vlint.value; | |
968 | |
969 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
970 "http3 parse frame type:%ui", st->type); | |
971 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
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diff
changeset
|
972 if (st->state == sw_first_type |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
973 && st->type != NGX_HTTP_V3_FRAME_SETTINGS) |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
974 { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
975 return NGX_HTTP_V3_ERR_MISSING_SETTINGS; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
976 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
977 |
7692 | 978 st->state = sw_length; |
979 break; | |
980 | |
981 case sw_length: | |
982 | |
983 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
984 break; | |
985 } | |
986 | |
987 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
988 "http3 parse frame len:%uL", st->vlint.value); | |
989 | |
990 st->length = st->vlint.value; | |
991 if (st->length == 0) { | |
992 st->state = sw_type; | |
993 break; | |
994 } | |
995 | |
996 switch (st->type) { | |
997 | |
998 case NGX_HTTP_V3_FRAME_SETTINGS: | |
999 st->state = sw_settings; | |
1000 break; | |
1001 | |
1002 case NGX_HTTP_V3_FRAME_MAX_PUSH_ID: | |
1003 st->state = sw_max_push_id; | |
1004 break; | |
1005 | |
1006 default: | |
1007 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1008 "http3 parse skip unknown frame"); | |
1009 st->state = sw_skip; | |
1010 } | |
1011 | |
1012 break; | |
1013 | |
1014 case sw_settings: | |
1015 | |
1016 rc = ngx_http_v3_parse_settings(c, &st->settings, ch); | |
1017 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1018 st->length--; |
7692 | 1019 |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1020 if (rc == NGX_AGAIN) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
1021 if (st->length == 0) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1022 return NGX_HTTP_V3_ERR_SETTINGS_ERROR; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1023 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1024 |
7692 | 1025 break; |
1026 } | |
1027 | |
1028 if (rc != NGX_DONE) { | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1029 return rc; |
7692 | 1030 } |
1031 | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1032 if (st->length == 0) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1033 st->state = sw_type; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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7952
diff
changeset
|
1034 } |
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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
|
1035 |
7692 | 1036 break; |
1037 | |
1038 case sw_max_push_id: | |
1039 | |
1040 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
1041 break; | |
1042 } | |
1043 | |
1044 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1045 "http3 parse MAX_PUSH_ID:%uL", st->vlint.value); | |
1046 | |
1047 st->state = sw_type; | |
1048 break; | |
1049 | |
1050 case sw_skip: | |
1051 | |
1052 if (--st->length == 0) { | |
1053 st->state = sw_type; | |
1054 } | |
1055 | |
1056 break; | |
1057 } | |
1058 | |
1059 return NGX_AGAIN; | |
1060 } | |
1061 | |
1062 | |
1063 ngx_int_t | |
1064 ngx_http_v3_parse_settings(ngx_connection_t *c, | |
1065 ngx_http_v3_parse_settings_t *st, u_char ch) | |
1066 { | |
1067 enum { | |
1068 sw_start = 0, | |
1069 sw_id, | |
1070 sw_value | |
1071 }; | |
1072 | |
1073 switch (st->state) { | |
1074 | |
1075 case sw_start: | |
1076 | |
1077 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings"); | |
1078 | |
1079 st->state = sw_id; | |
1080 | |
1081 /* fall through */ | |
1082 | |
1083 case sw_id: | |
1084 | |
1085 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
1086 break; | |
1087 } | |
1088 | |
1089 st->id = st->vlint.value; | |
1090 st->state = sw_value; | |
1091 break; | |
1092 | |
1093 case sw_value: | |
1094 | |
1095 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { | |
1096 break; | |
1097 } | |
1098 | |
1099 if (ngx_http_v3_set_param(c, st->id, st->vlint.value) != NGX_OK) { | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1100 return NGX_HTTP_V3_ERR_SETTINGS_ERROR; |
7692 | 1101 } |
1102 | |
1103 goto done; | |
1104 } | |
1105 | |
1106 return NGX_AGAIN; | |
1107 | |
1108 done: | |
1109 | |
1110 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings done"); | |
1111 | |
1112 st->state = sw_start; | |
1113 return NGX_DONE; | |
1114 } | |
1115 | |
1116 | |
1117 ngx_int_t | |
1118 ngx_http_v3_parse_encoder(ngx_connection_t *c, void *data, u_char ch) | |
1119 { | |
1120 ngx_http_v3_parse_encoder_t *st = data; | |
1121 | |
1122 ngx_int_t rc; | |
1123 enum { | |
1124 sw_start = 0, | |
1125 sw_inr, | |
1126 sw_iwnr, | |
1127 sw_capacity, | |
1128 sw_duplicate | |
1129 }; | |
1130 | |
1131 if (st->state == sw_start) { | |
1132 | |
1133 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1134 "http3 parse encoder instruction"); | |
1135 | |
1136 if (ch & 0x80) { | |
1137 /* Insert With Name Reference */ | |
1138 | |
1139 st->state = sw_inr; | |
1140 | |
1141 } else if (ch & 0x40) { | |
1142 /* Insert Without Name Reference */ | |
1143 | |
1144 st->state = sw_iwnr; | |
1145 | |
1146 } else if (ch & 0x20) { | |
1147 /* Set Dynamic Table Capacity */ | |
1148 | |
1149 st->state = sw_capacity; | |
1150 | |
1151 } else { | |
1152 /* Duplicate */ | |
1153 | |
1154 st->state = sw_duplicate; | |
1155 } | |
1156 } | |
1157 | |
1158 switch (st->state) { | |
1159 | |
1160 case sw_inr: | |
1161 | |
1162 rc = ngx_http_v3_parse_header_inr(c, &st->header, ch); | |
1163 | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1164 if (rc == NGX_AGAIN) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
1165 break; |
7692 | 1166 } |
1167 | |
1168 if (rc != NGX_DONE) { | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
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diff
changeset
|
1169 return rc; |
7692 | 1170 } |
1171 | |
1172 goto done; | |
1173 | |
1174 case sw_iwnr: | |
1175 | |
1176 rc = ngx_http_v3_parse_header_iwnr(c, &st->header, ch); | |
1177 | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
1178 if (rc == NGX_AGAIN) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1179 break; |
7692 | 1180 } |
1181 | |
1182 if (rc != NGX_DONE) { | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
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diff
changeset
|
1183 return rc; |
7692 | 1184 } |
1185 | |
1186 goto done; | |
1187 | |
1188 case sw_capacity: | |
1189 | |
7959
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HTTP/3: limited prefixed integer size by 62 bits.
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parents:
7958
diff
changeset
|
1190 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1191 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1192 return rc; |
7692 | 1193 } |
1194 | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
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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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diff
changeset
|
1196 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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diff
changeset
|
1197 return rc; |
7692 | 1198 } |
1199 | |
1200 goto done; | |
1201 | |
1202 case sw_duplicate: | |
1203 | |
7959
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HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1204 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1205 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1206 return rc; |
7692 | 1207 } |
1208 | |
7955
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HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1209 rc = ngx_http_v3_duplicate(c, st->pint.value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1210 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1211 return rc; |
7692 | 1212 } |
1213 | |
1214 goto done; | |
1215 } | |
1216 | |
1217 return NGX_AGAIN; | |
1218 | |
1219 done: | |
1220 | |
1221 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1222 "http3 parse encoder instruction done"); | |
1223 | |
1224 st->state = sw_start; | |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
1225 return NGX_AGAIN; |
7692 | 1226 } |
1227 | |
1228 | |
1229 ngx_int_t | |
1230 ngx_http_v3_parse_header_inr(ngx_connection_t *c, | |
1231 ngx_http_v3_parse_header_t *st, u_char ch) | |
1232 { | |
1233 ngx_int_t rc; | |
1234 enum { | |
1235 sw_start = 0, | |
1236 sw_name_index, | |
1237 sw_value_len, | |
1238 sw_read_value_len, | |
1239 sw_value | |
1240 }; | |
1241 | |
1242 switch (st->state) { | |
1243 | |
1244 case sw_start: | |
1245 | |
1246 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header inr"); | |
1247 | |
1248 st->dynamic = (ch & 0x40) ? 0 : 1; | |
1249 st->state = sw_name_index; | |
1250 | |
1251 /* fall through */ | |
1252 | |
1253 case sw_name_index: | |
1254 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1255 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1256 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1257 return rc; |
7692 | 1258 } |
1259 | |
1260 st->index = st->pint.value; | |
1261 st->state = sw_value_len; | |
1262 break; | |
1263 | |
1264 case sw_value_len: | |
1265 | |
1266 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
1267 st->state = sw_read_value_len; | |
1268 | |
1269 /* fall through */ | |
1270 | |
1271 case sw_read_value_len: | |
1272 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1273 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1274 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1275 return rc; |
7692 | 1276 } |
1277 | |
1278 st->literal.length = st->pint.value; | |
1279 if (st->literal.length == 0) { | |
1280 goto done; | |
1281 } | |
1282 | |
1283 st->state = sw_value; | |
1284 break; | |
1285 | |
1286 case sw_value: | |
1287 | |
1288 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1289 if (rc != NGX_DONE) { |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1290 return rc; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1291 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1292 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1293 st->value = st->literal.value; |
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1294 goto done; |
7692 | 1295 } |
1296 | |
1297 return NGX_AGAIN; | |
1298 | |
1299 done: | |
1300 | |
1301 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1302 "http3 parse header inr done %s[%ui] \"%V\"", | |
1303 st->dynamic ? "dynamic" : "static", | |
1304 st->index, &st->value); | |
1305 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1306 rc = ngx_http_v3_ref_insert(c, st->dynamic, st->index, &st->value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1307 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1308 return rc; |
7692 | 1309 } |
1310 | |
1311 st->state = sw_start; | |
1312 return NGX_DONE; | |
1313 } | |
1314 | |
1315 | |
1316 ngx_int_t | |
1317 ngx_http_v3_parse_header_iwnr(ngx_connection_t *c, | |
1318 ngx_http_v3_parse_header_t *st, u_char ch) | |
1319 { | |
1320 ngx_int_t rc; | |
1321 enum { | |
1322 sw_start = 0, | |
1323 sw_name_len, | |
1324 sw_name, | |
1325 sw_value_len, | |
1326 sw_read_value_len, | |
1327 sw_value | |
1328 }; | |
1329 | |
1330 switch (st->state) { | |
1331 | |
1332 case sw_start: | |
1333 | |
1334 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1335 "http3 parse header iwnr"); | |
1336 | |
1337 st->literal.huffman = (ch & 0x20) ? 1 : 0; | |
1338 st->state = sw_name_len; | |
1339 | |
1340 /* fall through */ | |
1341 | |
1342 case sw_name_len: | |
1343 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1344 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 5, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1345 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1346 return rc; |
7692 | 1347 } |
1348 | |
1349 st->literal.length = st->pint.value; | |
1350 if (st->literal.length == 0) { | |
1351 return NGX_ERROR; | |
1352 } | |
1353 | |
1354 st->state = sw_name; | |
1355 break; | |
1356 | |
1357 case sw_name: | |
1358 | |
1359 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1360 if (rc != NGX_DONE) { |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
7952
diff
changeset
|
1361 return rc; |
7692 | 1362 } |
1363 | |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1364 st->name = st->literal.value; |
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1365 st->state = sw_value_len; |
7692 | 1366 break; |
1367 | |
1368 case sw_value_len: | |
1369 | |
1370 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
1371 st->state = sw_read_value_len; | |
1372 | |
1373 /* fall through */ | |
1374 | |
1375 case sw_read_value_len: | |
1376 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1377 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1378 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1379 return rc; |
7692 | 1380 } |
1381 | |
1382 st->literal.length = st->pint.value; | |
1383 if (st->literal.length == 0) { | |
1384 goto done; | |
1385 } | |
1386 | |
1387 st->state = sw_value; | |
1388 break; | |
1389 | |
1390 case sw_value: | |
1391 | |
1392 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1393 if (rc != NGX_DONE) { |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1394 return rc; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1395 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1396 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1397 st->value = st->literal.value; |
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1398 goto done; |
7692 | 1399 } |
1400 | |
1401 return NGX_AGAIN; | |
1402 | |
1403 done: | |
1404 | |
1405 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1406 "http3 parse header iwnr done \"%V\":\"%V\"", | |
1407 &st->name, &st->value); | |
1408 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1409 rc = ngx_http_v3_insert(c, &st->name, &st->value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1410 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1411 return rc; |
7692 | 1412 } |
1413 | |
1414 st->state = sw_start; | |
1415 return NGX_DONE; | |
1416 } | |
1417 | |
1418 | |
1419 ngx_int_t | |
1420 ngx_http_v3_parse_decoder(ngx_connection_t *c, void *data, u_char ch) | |
1421 { | |
1422 ngx_http_v3_parse_decoder_t *st = data; | |
1423 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1424 ngx_int_t rc; |
7692 | 1425 enum { |
1426 sw_start = 0, | |
1427 sw_ack_header, | |
1428 sw_cancel_stream, | |
1429 sw_inc_insert_count | |
1430 }; | |
1431 | |
1432 if (st->state == sw_start) { | |
1433 | |
1434 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1435 "http3 parse decoder instruction"); | |
1436 | |
1437 if (ch & 0x80) { | |
1438 /* Header Acknowledgement */ | |
1439 | |
1440 st->state = sw_ack_header; | |
1441 | |
1442 } else if (ch & 0x40) { | |
1443 /* Stream Cancellation */ | |
1444 | |
1445 st->state = sw_cancel_stream; | |
1446 | |
1447 } else { | |
1448 /* Insert Count Increment */ | |
1449 | |
1450 st->state = sw_inc_insert_count; | |
1451 } | |
1452 } | |
1453 | |
1454 switch (st->state) { | |
1455 | |
1456 case sw_ack_header: | |
1457 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1458 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1459 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1460 return rc; |
7692 | 1461 } |
1462 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1463 rc = ngx_http_v3_ack_header(c, st->pint.value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1464 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1465 return rc; |
7692 | 1466 } |
1467 | |
1468 goto done; | |
1469 | |
1470 case sw_cancel_stream: | |
1471 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1472 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1473 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1474 return rc; |
7692 | 1475 } |
1476 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1477 rc = ngx_http_v3_cancel_stream(c, st->pint.value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1478 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1479 return rc; |
7692 | 1480 } |
1481 | |
1482 goto done; | |
1483 | |
1484 case sw_inc_insert_count: | |
1485 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1486 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1487 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1488 return rc; |
7692 | 1489 } |
1490 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1491 rc = ngx_http_v3_inc_insert_count(c, st->pint.value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1492 if (rc != NGX_OK) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1493 return rc; |
7692 | 1494 } |
1495 | |
1496 goto done; | |
1497 } | |
1498 | |
1499 return NGX_AGAIN; | |
1500 | |
1501 done: | |
1502 | |
1503 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1504 "http3 parse decoder instruction done"); | |
1505 | |
1506 st->state = sw_start; | |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
1507 return NGX_AGAIN; |
7692 | 1508 } |
7761
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1509 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1510 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1511 ngx_int_t |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1512 ngx_http_v3_parse_data(ngx_connection_t *c, ngx_http_v3_parse_data_t *st, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1513 u_char ch) |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1514 { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1515 enum { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1516 sw_start = 0, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1517 sw_type, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1518 sw_length |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1519 }; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1520 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1521 switch (st->state) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1522 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1523 case sw_start: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1524 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1525 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse data"); |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1526 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1527 st->state = sw_type; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1528 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1529 /* fall through */ |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1530 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1531 case sw_type: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1532 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1533 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1534 break; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1535 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1536 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1537 if (st->vlint.value != NGX_HTTP_V3_FRAME_DATA) { |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1538 return NGX_HTTP_V3_ERR_FRAME_UNEXPECTED; |
7761
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1539 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1540 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1541 st->state = sw_length; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1542 break; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1543 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1544 case sw_length: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1545 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1546 if (ngx_http_v3_parse_varlen_int(c, &st->vlint, ch) != NGX_DONE) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1547 break; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1548 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1549 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1550 st->length = st->vlint.value; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1551 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1552 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1553 "http3 parse data frame len:%ui", st->length); |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1554 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1555 goto done; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1556 } |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1557 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1558 return NGX_AGAIN; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1559 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1560 done: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1561 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1562 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse data done"); |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1563 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1564 st->state = sw_start; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1565 return NGX_DONE; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1566 } |