Mercurial > hg > nginx-quic
annotate src/http/v3/ngx_http_v3_parse.c @ 7962:e02250b55b17 quic
HTTP/3: simplified handling return codes from parse functions.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Thu, 02 Jul 2020 20:07:24 +0300 |
parents | 4fd709540daf |
children | d2f716e668e8 |
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 | |
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180 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
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181 if (rc != NGX_DONE) { |
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182 return rc; |
7692 | 183 } |
184 | |
185 st->length = st->vlint.value; | |
186 | |
187 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
188 "http3 parse headers len:%ui", st->length); | |
189 | |
190 st->state = sw_prefix; | |
191 break; | |
192 | |
193 case sw_prefix: | |
194 | |
195 if (st->length-- == 0) { | |
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196 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
7692 | 197 } |
198 | |
199 rc = ngx_http_v3_parse_header_block_prefix(c, &st->prefix, ch); | |
200 if (rc != NGX_DONE) { | |
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201 return rc; |
7692 | 202 } |
203 | |
204 if (st->length == 0) { | |
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205 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
7692 | 206 } |
207 | |
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208 st->state = sw_verify; |
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209 break; |
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210 |
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211 case sw_verify: |
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212 |
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213 rc = ngx_http_v3_check_insert_count(c, st->prefix.insert_count); |
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214 if (rc != NGX_OK) { |
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215 return rc; |
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216 } |
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217 |
7692 | 218 st->state = sw_header_rep; |
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219 |
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220 /* fall through */ |
7692 | 221 |
222 case sw_header_rep: | |
223 | |
224 rc = ngx_http_v3_parse_header_rep(c, &st->header_rep, st->prefix.base, | |
225 ch); | |
226 | |
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227 if (--st->length == 0 && rc == NGX_AGAIN) { |
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228 return NGX_HTTP_V3_ERR_FRAME_ERROR; |
7692 | 229 } |
230 | |
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231 if (rc != NGX_DONE) { |
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232 return rc; |
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233 } |
7692 | 234 |
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235 if (st->length == 0) { |
7692 | 236 goto done; |
237 } | |
238 | |
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239 return NGX_OK; |
7692 | 240 } |
241 | |
242 return NGX_AGAIN; | |
243 | |
244 done: | |
245 | |
246 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse headers done"); | |
247 | |
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248 if (st->prefix.insert_count > 0) { |
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249 if (ngx_http_v3_client_ack_header(c, c->qs->id) != NGX_OK) { |
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250 return NGX_ERROR; |
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251 } |
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252 } |
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253 |
7692 | 254 st->state = sw_start; |
255 return NGX_DONE; | |
256 } | |
257 | |
258 | |
259 ngx_int_t | |
260 ngx_http_v3_parse_header_block_prefix(ngx_connection_t *c, | |
261 ngx_http_v3_parse_header_block_prefix_t *st, u_char ch) | |
262 { | |
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263 ngx_int_t rc; |
7692 | 264 enum { |
265 sw_start = 0, | |
266 sw_req_insert_count, | |
267 sw_delta_base, | |
268 sw_read_delta_base | |
269 }; | |
270 | |
271 switch (st->state) { | |
272 | |
273 case sw_start: | |
274 | |
275 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
276 "http3 parse header block prefix"); | |
277 | |
278 st->state = sw_req_insert_count; | |
279 | |
280 /* fall through */ | |
281 | |
282 case sw_req_insert_count: | |
283 | |
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284 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 8, ch); |
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285 if (rc != NGX_DONE) { |
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286 return rc; |
7692 | 287 } |
288 | |
289 st->insert_count = st->pint.value; | |
290 st->state = sw_delta_base; | |
291 break; | |
292 | |
293 case sw_delta_base: | |
294 | |
295 st->sign = (ch & 0x80) ? 1 : 0; | |
296 st->state = sw_read_delta_base; | |
297 | |
298 /* fall through */ | |
299 | |
300 case sw_read_delta_base: | |
301 | |
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302 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
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303 if (rc != NGX_DONE) { |
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304 return rc; |
7692 | 305 } |
306 | |
307 st->delta_base = st->pint.value; | |
308 goto done; | |
309 } | |
310 | |
311 return NGX_AGAIN; | |
312 | |
313 done: | |
314 | |
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315 rc = ngx_http_v3_decode_insert_count(c, &st->insert_count); |
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316 if (rc != NGX_OK) { |
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317 return rc; |
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318 } |
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319 |
7692 | 320 if (st->sign) { |
321 st->base = st->insert_count - st->delta_base - 1; | |
322 } else { | |
323 st->base = st->insert_count + st->delta_base; | |
324 } | |
325 | |
326 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
327 "http3 parse header block prefix done " | |
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328 "insert_count:%ui, sign:%ui, delta_base:%ui, base:%uL", |
7692 | 329 st->insert_count, st->sign, st->delta_base, st->base); |
330 | |
331 st->state = sw_start; | |
332 return NGX_DONE; | |
333 } | |
334 | |
335 | |
336 ngx_int_t | |
337 ngx_http_v3_parse_header_rep(ngx_connection_t *c, | |
338 ngx_http_v3_parse_header_rep_t *st, ngx_uint_t base, u_char ch) | |
339 { | |
340 ngx_int_t rc; | |
341 enum { | |
342 sw_start = 0, | |
343 sw_header_ri, | |
344 sw_header_lri, | |
345 sw_header_l, | |
346 sw_header_pbi, | |
347 sw_header_lpbi | |
348 }; | |
349 | |
350 if (st->state == sw_start) { | |
351 | |
352 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
353 "http3 parse header representation"); | |
354 | |
355 ngx_memzero(&st->header, sizeof(ngx_http_v3_parse_header_t)); | |
356 | |
357 st->header.base = base; | |
358 | |
359 if (ch & 0x80) { | |
360 /* Indexed Header Field */ | |
361 | |
362 st->state = sw_header_ri; | |
363 | |
364 } else if (ch & 0x40) { | |
365 /* Literal Header Field With Name Reference */ | |
366 | |
367 st->state = sw_header_lri; | |
368 | |
369 } else if (ch & 0x20) { | |
370 /* Literal Header Field Without Name Reference */ | |
371 | |
372 st->state = sw_header_l; | |
373 | |
374 } else if (ch & 0x10) { | |
375 /* Indexed Header Field With Post-Base Index */ | |
376 | |
377 st->state = sw_header_pbi; | |
378 | |
379 } else { | |
380 /* Literal Header Field With Post-Base Name Reference */ | |
381 | |
382 st->state = sw_header_lpbi; | |
383 } | |
384 } | |
385 | |
386 switch (st->state) { | |
387 | |
388 case sw_header_ri: | |
389 rc = ngx_http_v3_parse_header_ri(c, &st->header, ch); | |
390 break; | |
391 | |
392 case sw_header_lri: | |
393 rc = ngx_http_v3_parse_header_lri(c, &st->header, ch); | |
394 break; | |
395 | |
396 case sw_header_l: | |
397 rc = ngx_http_v3_parse_header_l(c, &st->header, ch); | |
398 break; | |
399 | |
400 case sw_header_pbi: | |
401 rc = ngx_http_v3_parse_header_pbi(c, &st->header, ch); | |
402 break; | |
403 | |
404 case sw_header_lpbi: | |
405 rc = ngx_http_v3_parse_header_lpbi(c, &st->header, ch); | |
406 break; | |
407 | |
408 default: | |
409 rc = NGX_OK; | |
410 } | |
411 | |
7955
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412 if (rc != NGX_DONE) { |
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|
413 return rc; |
7692 | 414 } |
415 | |
416 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
417 "http3 parse header representation done"); | |
418 | |
419 st->state = sw_start; | |
420 return NGX_DONE; | |
421 } | |
422 | |
423 | |
424 ngx_int_t | |
425 ngx_http_v3_parse_literal(ngx_connection_t *c, ngx_http_v3_parse_literal_t *st, | |
426 u_char ch) | |
427 { | |
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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|
428 ngx_uint_t n; |
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diff
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|
429 ngx_http_v3_srv_conf_t *v3cf; |
7692 | 430 enum { |
431 sw_start = 0, | |
432 sw_value | |
433 }; | |
434 | |
435 switch (st->state) { | |
436 | |
437 case sw_start: | |
438 | |
439 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
440 "http3 parse literal huff:%ui, len:%ui", | |
441 st->huffman, st->length); | |
442 | |
443 n = st->length; | |
444 | |
7949
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diff
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|
445 v3cf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module); |
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diff
changeset
|
446 |
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diff
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|
447 if (n > v3cf->max_field_size) { |
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a7f64438aa3c
HTTP/3: downgraded literal size error level to NGX_LOG_INFO.
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7951
diff
changeset
|
448 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
7949
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diff
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449 "client exceeded http3_max_field_size limit"); |
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450 return NGX_HTTP_V3_ERR_EXCESSIVE_LOAD; |
7949
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diff
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|
451 } |
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diff
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|
452 |
7692 | 453 if (st->huffman) { |
454 n = n * 8 / 5; | |
455 st->huffstate = 0; | |
456 } | |
457 | |
458 st->last = ngx_pnalloc(c->pool, n + 1); | |
459 if (st->last == NULL) { | |
460 return NGX_ERROR; | |
461 } | |
462 | |
463 st->value.data = st->last; | |
464 st->state = sw_value; | |
465 | |
466 /* fall through */ | |
467 | |
468 case sw_value: | |
469 | |
470 if (st->huffman) { | |
471 if (ngx_http_v2_huff_decode(&st->huffstate, &ch, 1, &st->last, | |
472 st->length == 1, c->log) | |
473 != NGX_OK) | |
474 { | |
475 return NGX_ERROR; | |
476 } | |
477 | |
478 } else { | |
479 *st->last++ = ch; | |
480 } | |
481 | |
482 if (--st->length) { | |
483 break; | |
484 } | |
485 | |
486 st->value.len = st->last - st->value.data; | |
487 *st->last = '\0'; | |
488 goto done; | |
489 } | |
490 | |
491 return NGX_AGAIN; | |
492 | |
493 done: | |
494 | |
495 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
496 "http3 parse literal done \"%V\"", &st->value); | |
497 | |
498 st->state = sw_start; | |
499 return NGX_DONE; | |
500 } | |
501 | |
502 | |
503 ngx_int_t | |
504 ngx_http_v3_parse_header_ri(ngx_connection_t *c, ngx_http_v3_parse_header_t *st, | |
505 u_char ch) | |
506 { | |
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diff
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|
507 ngx_int_t rc; |
7692 | 508 enum { |
509 sw_start = 0, | |
510 sw_index | |
511 }; | |
512 | |
513 switch (st->state) { | |
514 | |
515 case sw_start: | |
516 | |
517 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header ri"); | |
518 | |
519 st->dynamic = (ch & 0x40) ? 0 : 1; | |
520 st->state = sw_index; | |
521 | |
522 /* fall through */ | |
523 | |
524 case sw_index: | |
525 | |
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526 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 6, ch); |
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|
527 if (rc != NGX_DONE) { |
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diff
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|
528 return rc; |
7692 | 529 } |
530 | |
531 st->index = st->pint.value; | |
532 goto done; | |
533 } | |
534 | |
535 return NGX_AGAIN; | |
536 | |
537 done: | |
538 | |
539 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
540 "http3 parse header ri done %s%ui]", | |
541 st->dynamic ? "dynamic[-" : "static[", st->index); | |
542 | |
543 if (st->dynamic) { | |
544 st->index = st->base - st->index - 1; | |
545 } | |
546 | |
7955
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diff
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547 rc = ngx_http_v3_parse_lookup(c, st->dynamic, st->index, &st->name, |
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diff
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|
548 &st->value); |
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549 if (rc != NGX_OK) { |
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diff
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|
550 return rc; |
7692 | 551 } |
552 | |
553 st->state = sw_start; | |
554 return NGX_DONE; | |
555 } | |
556 | |
557 | |
558 ngx_int_t | |
559 ngx_http_v3_parse_header_lri(ngx_connection_t *c, | |
560 ngx_http_v3_parse_header_t *st, u_char ch) | |
561 { | |
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HTTP/3: refactored dynamic table implementation.
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diff
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|
562 ngx_int_t rc; |
7692 | 563 enum { |
564 sw_start = 0, | |
565 sw_index, | |
566 sw_value_len, | |
567 sw_read_value_len, | |
568 sw_value | |
569 }; | |
570 | |
571 switch (st->state) { | |
572 | |
573 case sw_start: | |
574 | |
575 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header lri"); | |
576 | |
577 st->dynamic = (ch & 0x10) ? 0 : 1; | |
578 st->state = sw_index; | |
579 | |
580 /* fall through */ | |
581 | |
582 case sw_index: | |
583 | |
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diff
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|
584 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 4, ch); |
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diff
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|
585 if (rc != NGX_DONE) { |
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diff
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|
586 return rc; |
7692 | 587 } |
588 | |
589 st->index = st->pint.value; | |
590 st->state = sw_value_len; | |
591 break; | |
592 | |
593 case sw_value_len: | |
594 | |
595 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
596 st->state = sw_read_value_len; | |
597 | |
598 /* fall through */ | |
599 | |
600 case sw_read_value_len: | |
601 | |
7959
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602 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 7, ch); |
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|
603 if (rc != NGX_DONE) { |
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|
604 return rc; |
7692 | 605 } |
606 | |
607 st->literal.length = st->pint.value; | |
608 if (st->literal.length == 0) { | |
609 goto done; | |
610 } | |
611 | |
612 st->state = sw_value; | |
613 break; | |
614 | |
615 case sw_value: | |
616 | |
617 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
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diff
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|
618 if (rc != NGX_DONE) { |
7955
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diff
changeset
|
619 return rc; |
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diff
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|
620 } |
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diff
changeset
|
621 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
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diff
changeset
|
622 st->value = st->literal.value; |
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HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
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7959
diff
changeset
|
623 goto done; |
7692 | 624 } |
625 | |
626 return NGX_AGAIN; | |
627 | |
628 done: | |
629 | |
630 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
631 "http3 parse header lri done %s%ui] \"%V\"", | |
632 st->dynamic ? "dynamic[-" : "static[", | |
633 st->index, &st->value); | |
634 | |
635 if (st->dynamic) { | |
636 st->index = st->base - st->index - 1; | |
637 } | |
638 | |
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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639 rc = ngx_http_v3_parse_lookup(c, st->dynamic, st->index, &st->name, NULL); |
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changeset
|
640 if (rc != NGX_OK) { |
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diff
changeset
|
641 return rc; |
7692 | 642 } |
643 | |
644 st->state = sw_start; | |
645 return NGX_DONE; | |
646 } | |
647 | |
648 | |
649 ngx_int_t | |
650 ngx_http_v3_parse_header_l(ngx_connection_t *c, | |
651 ngx_http_v3_parse_header_t *st, u_char ch) | |
652 { | |
653 ngx_int_t rc; | |
654 enum { | |
655 sw_start = 0, | |
656 sw_name_len, | |
657 sw_name, | |
658 sw_value_len, | |
659 sw_read_value_len, | |
660 sw_value | |
661 }; | |
662 | |
663 switch (st->state) { | |
664 | |
665 case sw_start: | |
666 | |
667 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header l"); | |
668 | |
669 st->literal.huffman = (ch & 0x08) ? 1 : 0; | |
670 st->state = sw_name_len; | |
671 | |
672 /* fall through */ | |
673 | |
674 case sw_name_len: | |
675 | |
7959
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HTTP/3: limited prefixed integer size by 62 bits.
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diff
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676 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch); |
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|
677 if (rc != NGX_DONE) { |
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diff
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|
678 return rc; |
7692 | 679 } |
680 | |
681 st->literal.length = st->pint.value; | |
682 if (st->literal.length == 0) { | |
683 return NGX_ERROR; | |
684 } | |
685 | |
686 st->state = sw_name; | |
687 break; | |
688 | |
689 case sw_name: | |
690 | |
691 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.
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|
692 if (rc != NGX_DONE) { |
7955
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diff
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693 return rc; |
7692 | 694 } |
695 | |
7960
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HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
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diff
changeset
|
696 st->name = st->literal.value; |
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diff
changeset
|
697 st->state = sw_value_len; |
7692 | 698 break; |
699 | |
700 case sw_value_len: | |
701 | |
702 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
703 st->state = sw_read_value_len; | |
704 | |
705 /* fall through */ | |
706 | |
707 case sw_read_value_len: | |
708 | |
7959
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HTTP/3: limited prefixed integer size by 62 bits.
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7958
diff
changeset
|
709 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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changeset
|
710 if (rc != NGX_DONE) { |
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diff
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|
711 return rc; |
7692 | 712 } |
713 | |
714 st->literal.length = st->pint.value; | |
715 if (st->literal.length == 0) { | |
716 goto done; | |
717 } | |
718 | |
719 st->state = sw_value; | |
720 break; | |
721 | |
722 case sw_value: | |
723 | |
724 rc = ngx_http_v3_parse_literal(c, &st->literal, ch); | |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
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|
725 if (rc != NGX_DONE) { |
7955
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diff
changeset
|
726 return rc; |
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diff
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|
727 } |
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diff
changeset
|
728 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
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diff
changeset
|
729 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
|
730 goto done; |
7692 | 731 } |
732 | |
733 return NGX_AGAIN; | |
734 | |
735 done: | |
736 | |
737 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
738 "http3 parse header l done \"%V\" \"%V\"", | |
739 &st->name, &st->value); | |
740 | |
741 st->state = sw_start; | |
742 return NGX_DONE; | |
743 } | |
744 | |
745 | |
746 ngx_int_t | |
747 ngx_http_v3_parse_header_pbi(ngx_connection_t *c, | |
748 ngx_http_v3_parse_header_t *st, u_char ch) | |
749 { | |
7955
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diff
changeset
|
750 ngx_int_t rc; |
7692 | 751 enum { |
752 sw_start = 0, | |
753 sw_index | |
754 }; | |
755 | |
756 switch (st->state) { | |
757 | |
758 case sw_start: | |
759 | |
760 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header pbi"); | |
761 | |
762 st->state = sw_index; | |
763 | |
764 /* fall through */ | |
765 | |
766 case sw_index: | |
767 | |
7959
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diff
changeset
|
768 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
|
769 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
770 return rc; |
7692 | 771 } |
772 | |
773 st->index = st->pint.value; | |
774 goto done; | |
775 } | |
776 | |
777 return NGX_AGAIN; | |
778 | |
779 done: | |
780 | |
781 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
782 "http3 parse header pbi done dynamic[+%ui]", st->index); | |
783 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
784 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:
7952
diff
changeset
|
785 &st->value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
786 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
|
787 return rc; |
7692 | 788 } |
789 | |
790 st->state = sw_start; | |
791 return NGX_DONE; | |
792 } | |
793 | |
794 | |
795 ngx_int_t | |
796 ngx_http_v3_parse_header_lpbi(ngx_connection_t *c, | |
797 ngx_http_v3_parse_header_t *st, u_char ch) | |
798 { | |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
799 ngx_int_t rc; |
7692 | 800 enum { |
801 sw_start = 0, | |
802 sw_index, | |
803 sw_value_len, | |
804 sw_read_value_len, | |
805 sw_value | |
806 }; | |
807 | |
808 switch (st->state) { | |
809 | |
810 case sw_start: | |
811 | |
812 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
813 "http3 parse header lpbi"); | |
814 | |
815 st->state = sw_index; | |
816 | |
817 /* fall through */ | |
818 | |
819 case sw_index: | |
820 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
821 rc = ngx_http_v3_parse_prefix_int(c, &st->pint, 3, ch); |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
822 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
823 return rc; |
7692 | 824 } |
825 | |
826 st->index = st->pint.value; | |
827 st->state = sw_value_len; | |
828 break; | |
829 | |
830 case sw_value_len: | |
831 | |
832 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
833 st->state = sw_read_value_len; | |
834 | |
835 /* fall through */ | |
836 | |
837 case sw_read_value_len: | |
838 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
839 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
|
840 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
841 return rc; |
7692 | 842 } |
843 | |
844 st->literal.length = st->pint.value; | |
845 if (st->literal.length == 0) { | |
846 goto done; | |
847 } | |
848 | |
849 st->state = sw_value; | |
850 break; | |
851 | |
852 case sw_value: | |
853 | |
854 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
|
855 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
|
856 return rc; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
857 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
858 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
859 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
|
860 goto done; |
7692 | 861 } |
862 | |
863 return NGX_AGAIN; | |
864 | |
865 done: | |
866 | |
867 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
868 "http3 parse header lpbi done dynamic[+%ui] \"%V\"", | |
869 st->index, &st->value); | |
870 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
871 rc = ngx_http_v3_parse_lookup(c, 1, st->base + st->index, &st->name, NULL); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
872 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
|
873 return rc; |
7692 | 874 } |
875 | |
876 st->state = sw_start; | |
877 return NGX_DONE; | |
878 } | |
879 | |
880 | |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
881 static ngx_int_t |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
882 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:
7950
diff
changeset
|
883 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
|
884 { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
885 u_char *p; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
886 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
887 if (!dynamic) { |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
888 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
|
889 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
|
890 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
891 |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
892 return NGX_OK; |
7951
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 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
895 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
|
896 return NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED; |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
897 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
898 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
899 if (name) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
900 p = ngx_pnalloc(c->pool, name->len + 1); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
901 if (p == NULL) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
902 return NGX_ERROR; |
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 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
905 ngx_memcpy(p, name->data, name->len); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
906 p[name->len] = '\0'; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
907 name->data = p; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
908 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
909 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
910 if (value) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
911 p = ngx_pnalloc(c->pool, value->len + 1); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
912 if (p == NULL) { |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
913 return NGX_ERROR; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
914 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
915 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
916 ngx_memcpy(p, value->data, value->len); |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
917 p[value->len] = '\0'; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
918 value->data = p; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
919 } |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
920 |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
921 return NGX_OK; |
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
922 } |
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 |
7692 | 925 ngx_int_t |
926 ngx_http_v3_parse_control(ngx_connection_t *c, void *data, u_char ch) | |
927 { | |
928 ngx_http_v3_parse_control_t *st = data; | |
929 | |
930 ngx_int_t rc; | |
931 enum { | |
932 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
|
933 sw_first_type, |
7692 | 934 sw_type, |
935 sw_length, | |
936 sw_settings, | |
937 sw_max_push_id, | |
938 sw_skip | |
939 }; | |
940 | |
941 switch (st->state) { | |
942 | |
943 case sw_start: | |
944 | |
945 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse control"); | |
946 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
947 st->state = sw_first_type; |
7692 | 948 |
949 /* fall through */ | |
950 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
951 case sw_first_type: |
7692 | 952 case sw_type: |
953 | |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
954 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
955 if (rc != NGX_DONE) { |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
956 return rc; |
7692 | 957 } |
958 | |
959 st->type = st->vlint.value; | |
960 | |
961 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
962 "http3 parse frame type:%ui", st->type); | |
963 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
964 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
|
965 && 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
|
966 { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
967 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
|
968 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
969 |
7692 | 970 st->state = sw_length; |
971 break; | |
972 | |
973 case sw_length: | |
974 | |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
975 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
976 if (rc != NGX_DONE) { |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
977 return rc; |
7692 | 978 } |
979 | |
980 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
981 "http3 parse frame len:%uL", st->vlint.value); | |
982 | |
983 st->length = st->vlint.value; | |
984 if (st->length == 0) { | |
985 st->state = sw_type; | |
986 break; | |
987 } | |
988 | |
989 switch (st->type) { | |
990 | |
991 case NGX_HTTP_V3_FRAME_SETTINGS: | |
992 st->state = sw_settings; | |
993 break; | |
994 | |
995 case NGX_HTTP_V3_FRAME_MAX_PUSH_ID: | |
996 st->state = sw_max_push_id; | |
997 break; | |
998 | |
999 default: | |
1000 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1001 "http3 parse skip unknown frame"); | |
1002 st->state = sw_skip; | |
1003 } | |
1004 | |
1005 break; | |
1006 | |
1007 case sw_settings: | |
1008 | |
1009 rc = ngx_http_v3_parse_settings(c, &st->settings, ch); | |
1010 | |
7962
e02250b55b17
HTTP/3: simplified handling return codes from parse functions.
Roman Arutyunyan <arut@nginx.com>
parents:
7961
diff
changeset
|
1011 if (--st->length == 0 && rc == NGX_AGAIN) { |
e02250b55b17
HTTP/3: simplified handling return codes from parse functions.
Roman Arutyunyan <arut@nginx.com>
parents:
7961
diff
changeset
|
1012 return NGX_HTTP_V3_ERR_SETTINGS_ERROR; |
7692 | 1013 } |
1014 | |
1015 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
|
1016 return rc; |
7692 | 1017 } |
1018 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1019 if (st->length == 0) { |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1020 st->state = sw_type; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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7952
diff
changeset
|
1021 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
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parents:
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diff
changeset
|
1022 |
7692 | 1023 break; |
1024 | |
1025 case sw_max_push_id: | |
1026 | |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1027 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1028 if (rc != NGX_DONE) { |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1029 return rc; |
7692 | 1030 } |
1031 | |
1032 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1033 "http3 parse MAX_PUSH_ID:%uL", st->vlint.value); | |
1034 | |
1035 st->state = sw_type; | |
1036 break; | |
1037 | |
1038 case sw_skip: | |
1039 | |
1040 if (--st->length == 0) { | |
1041 st->state = sw_type; | |
1042 } | |
1043 | |
1044 break; | |
1045 } | |
1046 | |
1047 return NGX_AGAIN; | |
1048 } | |
1049 | |
1050 | |
1051 ngx_int_t | |
1052 ngx_http_v3_parse_settings(ngx_connection_t *c, | |
1053 ngx_http_v3_parse_settings_t *st, u_char ch) | |
1054 { | |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1055 ngx_int_t rc; |
7692 | 1056 enum { |
1057 sw_start = 0, | |
1058 sw_id, | |
1059 sw_value | |
1060 }; | |
1061 | |
1062 switch (st->state) { | |
1063 | |
1064 case sw_start: | |
1065 | |
1066 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings"); | |
1067 | |
1068 st->state = sw_id; | |
1069 | |
1070 /* fall through */ | |
1071 | |
1072 case sw_id: | |
1073 | |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1074 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1075 if (rc != NGX_DONE) { |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1076 return rc; |
7692 | 1077 } |
1078 | |
1079 st->id = st->vlint.value; | |
1080 st->state = sw_value; | |
1081 break; | |
1082 | |
1083 case sw_value: | |
1084 | |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1085 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1086 if (rc != NGX_DONE) { |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1087 return rc; |
7692 | 1088 } |
1089 | |
1090 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:
7952
diff
changeset
|
1091 return NGX_HTTP_V3_ERR_SETTINGS_ERROR; |
7692 | 1092 } |
1093 | |
1094 goto done; | |
1095 } | |
1096 | |
1097 return NGX_AGAIN; | |
1098 | |
1099 done: | |
1100 | |
1101 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse settings done"); | |
1102 | |
1103 st->state = sw_start; | |
1104 return NGX_DONE; | |
1105 } | |
1106 | |
1107 | |
1108 ngx_int_t | |
1109 ngx_http_v3_parse_encoder(ngx_connection_t *c, void *data, u_char ch) | |
1110 { | |
1111 ngx_http_v3_parse_encoder_t *st = data; | |
1112 | |
1113 ngx_int_t rc; | |
1114 enum { | |
1115 sw_start = 0, | |
1116 sw_inr, | |
1117 sw_iwnr, | |
1118 sw_capacity, | |
1119 sw_duplicate | |
1120 }; | |
1121 | |
1122 if (st->state == sw_start) { | |
1123 | |
1124 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1125 "http3 parse encoder instruction"); | |
1126 | |
1127 if (ch & 0x80) { | |
1128 /* Insert With Name Reference */ | |
1129 | |
1130 st->state = sw_inr; | |
1131 | |
1132 } else if (ch & 0x40) { | |
1133 /* Insert Without Name Reference */ | |
1134 | |
1135 st->state = sw_iwnr; | |
1136 | |
1137 } else if (ch & 0x20) { | |
1138 /* Set Dynamic Table Capacity */ | |
1139 | |
1140 st->state = sw_capacity; | |
1141 | |
1142 } else { | |
1143 /* Duplicate */ | |
1144 | |
1145 st->state = sw_duplicate; | |
1146 } | |
1147 } | |
1148 | |
1149 switch (st->state) { | |
1150 | |
1151 case sw_inr: | |
1152 | |
1153 rc = ngx_http_v3_parse_header_inr(c, &st->header, ch); | |
1154 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
|
1155 return rc; |
7692 | 1156 } |
1157 | |
1158 goto done; | |
1159 | |
1160 case sw_iwnr: | |
1161 | |
1162 rc = ngx_http_v3_parse_header_iwnr(c, &st->header, ch); | |
1163 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
|
1164 return rc; |
7692 | 1165 } |
1166 | |
1167 goto done; | |
1168 | |
1169 case sw_capacity: | |
1170 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1171 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
|
1172 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1173 return rc; |
7692 | 1174 } |
1175 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1176 rc = ngx_http_v3_set_capacity(c, st->pint.value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1177 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
|
1178 return rc; |
7692 | 1179 } |
1180 | |
1181 goto done; | |
1182 | |
1183 case sw_duplicate: | |
1184 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1185 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
|
1186 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1187 return rc; |
7692 | 1188 } |
1189 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1190 rc = ngx_http_v3_duplicate(c, st->pint.value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1191 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
|
1192 return rc; |
7692 | 1193 } |
1194 | |
1195 goto done; | |
1196 } | |
1197 | |
1198 return NGX_AGAIN; | |
1199 | |
1200 done: | |
1201 | |
1202 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1203 "http3 parse encoder instruction done"); | |
1204 | |
1205 st->state = sw_start; | |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
1206 return NGX_AGAIN; |
7692 | 1207 } |
1208 | |
1209 | |
1210 ngx_int_t | |
1211 ngx_http_v3_parse_header_inr(ngx_connection_t *c, | |
1212 ngx_http_v3_parse_header_t *st, u_char ch) | |
1213 { | |
1214 ngx_int_t rc; | |
1215 enum { | |
1216 sw_start = 0, | |
1217 sw_name_index, | |
1218 sw_value_len, | |
1219 sw_read_value_len, | |
1220 sw_value | |
1221 }; | |
1222 | |
1223 switch (st->state) { | |
1224 | |
1225 case sw_start: | |
1226 | |
1227 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 parse header inr"); | |
1228 | |
1229 st->dynamic = (ch & 0x40) ? 0 : 1; | |
1230 st->state = sw_name_index; | |
1231 | |
1232 /* fall through */ | |
1233 | |
1234 case sw_name_index: | |
1235 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1236 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
|
1237 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1238 return rc; |
7692 | 1239 } |
1240 | |
1241 st->index = st->pint.value; | |
1242 st->state = sw_value_len; | |
1243 break; | |
1244 | |
1245 case sw_value_len: | |
1246 | |
1247 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
1248 st->state = sw_read_value_len; | |
1249 | |
1250 /* fall through */ | |
1251 | |
1252 case sw_read_value_len: | |
1253 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1254 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
|
1255 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1256 return rc; |
7692 | 1257 } |
1258 | |
1259 st->literal.length = st->pint.value; | |
1260 if (st->literal.length == 0) { | |
1261 goto done; | |
1262 } | |
1263 | |
1264 st->state = sw_value; | |
1265 break; | |
1266 | |
1267 case sw_value: | |
1268 | |
1269 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
|
1270 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
|
1271 return rc; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1272 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1273 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1274 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
|
1275 goto done; |
7692 | 1276 } |
1277 | |
1278 return NGX_AGAIN; | |
1279 | |
1280 done: | |
1281 | |
1282 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1283 "http3 parse header inr done %s[%ui] \"%V\"", | |
1284 st->dynamic ? "dynamic" : "static", | |
1285 st->index, &st->value); | |
1286 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1287 rc = ngx_http_v3_ref_insert(c, st->dynamic, st->index, &st->value); |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1288 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
|
1289 return rc; |
7692 | 1290 } |
1291 | |
1292 st->state = sw_start; | |
1293 return NGX_DONE; | |
1294 } | |
1295 | |
1296 | |
1297 ngx_int_t | |
1298 ngx_http_v3_parse_header_iwnr(ngx_connection_t *c, | |
1299 ngx_http_v3_parse_header_t *st, u_char ch) | |
1300 { | |
1301 ngx_int_t rc; | |
1302 enum { | |
1303 sw_start = 0, | |
1304 sw_name_len, | |
1305 sw_name, | |
1306 sw_value_len, | |
1307 sw_read_value_len, | |
1308 sw_value | |
1309 }; | |
1310 | |
1311 switch (st->state) { | |
1312 | |
1313 case sw_start: | |
1314 | |
1315 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1316 "http3 parse header iwnr"); | |
1317 | |
1318 st->literal.huffman = (ch & 0x20) ? 1 : 0; | |
1319 st->state = sw_name_len; | |
1320 | |
1321 /* fall through */ | |
1322 | |
1323 case sw_name_len: | |
1324 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1325 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
|
1326 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1327 return rc; |
7692 | 1328 } |
1329 | |
1330 st->literal.length = st->pint.value; | |
1331 if (st->literal.length == 0) { | |
1332 return NGX_ERROR; | |
1333 } | |
1334 | |
1335 st->state = sw_name; | |
1336 break; | |
1337 | |
1338 case sw_name: | |
1339 | |
1340 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
|
1341 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
|
1342 return rc; |
7692 | 1343 } |
1344 | |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1345 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
|
1346 st->state = sw_value_len; |
7692 | 1347 break; |
1348 | |
1349 case sw_value_len: | |
1350 | |
1351 st->literal.huffman = (ch & 0x80) ? 1 : 0; | |
1352 st->state = sw_read_value_len; | |
1353 | |
1354 /* fall through */ | |
1355 | |
1356 case sw_read_value_len: | |
1357 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1358 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
|
1359 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1360 return rc; |
7692 | 1361 } |
1362 | |
1363 st->literal.length = st->pint.value; | |
1364 if (st->literal.length == 0) { | |
1365 goto done; | |
1366 } | |
1367 | |
1368 st->state = sw_value; | |
1369 break; | |
1370 | |
1371 case sw_value: | |
1372 | |
1373 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
|
1374 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
|
1375 return rc; |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1376 } |
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1377 |
7960
5611bbb852ce
HTTP/3: simplifed handling ngx_http_v3_parse_literal() return code.
Roman Arutyunyan <arut@nginx.com>
parents:
7959
diff
changeset
|
1378 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
|
1379 goto done; |
7692 | 1380 } |
1381 | |
1382 return NGX_AGAIN; | |
1383 | |
1384 done: | |
1385 | |
1386 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1387 "http3 parse header iwnr done \"%V\":\"%V\"", | |
1388 &st->name, &st->value); | |
1389 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1390 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
|
1391 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
|
1392 return rc; |
7692 | 1393 } |
1394 | |
1395 st->state = sw_start; | |
1396 return NGX_DONE; | |
1397 } | |
1398 | |
1399 | |
1400 ngx_int_t | |
1401 ngx_http_v3_parse_decoder(ngx_connection_t *c, void *data, u_char ch) | |
1402 { | |
1403 ngx_http_v3_parse_decoder_t *st = data; | |
1404 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1405 ngx_int_t rc; |
7692 | 1406 enum { |
1407 sw_start = 0, | |
1408 sw_ack_header, | |
1409 sw_cancel_stream, | |
1410 sw_inc_insert_count | |
1411 }; | |
1412 | |
1413 if (st->state == sw_start) { | |
1414 | |
1415 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1416 "http3 parse decoder instruction"); | |
1417 | |
1418 if (ch & 0x80) { | |
1419 /* Header Acknowledgement */ | |
1420 | |
1421 st->state = sw_ack_header; | |
1422 | |
1423 } else if (ch & 0x40) { | |
1424 /* Stream Cancellation */ | |
1425 | |
1426 st->state = sw_cancel_stream; | |
1427 | |
1428 } else { | |
1429 /* Insert Count Increment */ | |
1430 | |
1431 st->state = sw_inc_insert_count; | |
1432 } | |
1433 } | |
1434 | |
1435 switch (st->state) { | |
1436 | |
1437 case sw_ack_header: | |
1438 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1439 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
|
1440 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1441 return rc; |
7692 | 1442 } |
1443 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1444 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
|
1445 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
|
1446 return rc; |
7692 | 1447 } |
1448 | |
1449 goto done; | |
1450 | |
1451 case sw_cancel_stream: | |
1452 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1453 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
|
1454 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1455 return rc; |
7692 | 1456 } |
1457 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1458 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
|
1459 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
|
1460 return rc; |
7692 | 1461 } |
1462 | |
1463 goto done; | |
1464 | |
1465 case sw_inc_insert_count: | |
1466 | |
7959
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1467 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
|
1468 if (rc != NGX_DONE) { |
fdb8edc8e496
HTTP/3: limited prefixed integer size by 62 bits.
Roman Arutyunyan <arut@nginx.com>
parents:
7958
diff
changeset
|
1469 return rc; |
7692 | 1470 } |
1471 | |
7955
72f9ff4e0a88
HTTP/3: close QUIC connection with HTTP/QPACK errors when needed.
Roman Arutyunyan <arut@nginx.com>
parents:
7952
diff
changeset
|
1472 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
|
1473 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
|
1474 return rc; |
7692 | 1475 } |
1476 | |
1477 goto done; | |
1478 } | |
1479 | |
1480 return NGX_AGAIN; | |
1481 | |
1482 done: | |
1483 | |
1484 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
1485 "http3 parse decoder instruction done"); | |
1486 | |
1487 st->state = sw_start; | |
7951
c9538aef3211
HTTP/3: refactored dynamic table implementation.
Roman Arutyunyan <arut@nginx.com>
parents:
7950
diff
changeset
|
1488 return NGX_AGAIN; |
7692 | 1489 } |
7761
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1490 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1491 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1492 ngx_int_t |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1493 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
|
1494 u_char ch) |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1495 { |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1496 ngx_int_t rc; |
7761
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1497 enum { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1498 sw_start = 0, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1499 sw_type, |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1500 sw_length |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1501 }; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1502 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1503 switch (st->state) { |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1504 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1505 case sw_start: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1506 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1507 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
|
1508 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1509 st->state = sw_type; |
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 /* fall through */ |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1512 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1513 case sw_type: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1514 |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1515 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1516 if (rc != NGX_DONE) { |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1517 return rc; |
7761
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1518 } |
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 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
|
1521 return NGX_HTTP_V3_ERR_FRAME_UNEXPECTED; |
7761
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 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1524 st->state = sw_length; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1525 break; |
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 case sw_length: |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1528 |
7961
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1529 rc = ngx_http_v3_parse_varlen_int(c, &st->vlint, ch); |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1530 if (rc != NGX_DONE) { |
4fd709540daf
HTTP/3: put ngx_http_v3_parse_varlen_int() return code in variable.
Roman Arutyunyan <arut@nginx.com>
parents:
7960
diff
changeset
|
1531 return rc; |
7761
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 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1534 st->length = st->vlint.value; |
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 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
|
1537 "http3 parse data frame len:%ui", st->length); |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1538 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1539 goto done; |
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 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1542 return NGX_AGAIN; |
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 done: |
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 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
|
1547 |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1548 st->state = sw_start; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1549 return NGX_DONE; |
5649079a41f4
Parsing HTTP/3 request body.
Roman Arutyunyan <arut@nginx.com>
parents:
7693
diff
changeset
|
1550 } |