Mercurial > hg > nginx-quic
annotate src/http/v3/ngx_http_v3_tables.c @ 7883:66feab03d9b7 quic
HTTP/3: restricted symbols in header names.
As per HTTP/3 draft 27, a request or response containing uppercase header
field names MUST be treated as malformed. Also, existing rules applied
when parsing HTTP/1 header names are also applied to HTTP/3 header names:
- null character is not allowed
- underscore character may or may not be treated as invalid depending on the
value of "underscores_in_headers"
- all non-alphanumeric characters with the exception of '-' are treated as
invalid
Also, the r->locase_header field is now filled while parsing an HTTP/3
header.
Error logging for invalid headers is fixed as well.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Tue, 19 May 2020 15:34:00 +0300 |
parents | f11b7981a03d |
children | 26cb2f3259b1 |
rev | line source |
---|---|
7681 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 static ngx_array_t *ngx_http_v3_get_dynamic_table(ngx_connection_t *c); | |
14 static ngx_int_t ngx_http_v3_new_header(ngx_connection_t *c); | |
15 | |
16 | |
17 static ngx_http_v3_header_t ngx_http_v3_static_table[] = { | |
18 | |
19 { ngx_string(":authority"), ngx_string("") }, | |
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parents:
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diff
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20 { ngx_string(":path"), ngx_string("/") }, |
7681 | 21 { ngx_string("age"), ngx_string("0") }, |
22 { ngx_string("content-disposition"), ngx_string("") }, | |
23 { ngx_string("content-length"), ngx_string("0") }, | |
24 { ngx_string("cookie"), ngx_string("") }, | |
25 { ngx_string("date"), ngx_string("") }, | |
26 { ngx_string("etag"), ngx_string("") }, | |
27 { ngx_string("if-modified-since"), ngx_string("") }, | |
28 { ngx_string("if-none-match"), ngx_string("") }, | |
29 { ngx_string("last-modified"), ngx_string("") }, | |
30 { ngx_string("link"), ngx_string("") }, | |
31 { ngx_string("location"), ngx_string("") }, | |
32 { ngx_string("referer"), ngx_string("") }, | |
33 { ngx_string("set-cookie"), ngx_string("") }, | |
34 { ngx_string(":method"), ngx_string("CONNECT") }, | |
35 { ngx_string(":method"), ngx_string("DELETE") }, | |
36 { ngx_string(":method"), ngx_string("GET") }, | |
37 { ngx_string(":method"), ngx_string("HEAD") }, | |
38 { ngx_string(":method"), ngx_string("OPTIONS") }, | |
39 { ngx_string(":method"), ngx_string("POST") }, | |
40 { ngx_string(":method"), ngx_string("PUT") }, | |
41 { ngx_string(":scheme"), ngx_string("http") }, | |
42 { ngx_string(":scheme"), ngx_string("https") }, | |
43 { ngx_string(":status"), ngx_string("103") }, | |
44 { ngx_string(":status"), ngx_string("200") }, | |
45 { ngx_string(":status"), ngx_string("304") }, | |
46 { ngx_string(":status"), ngx_string("404") }, | |
47 { ngx_string(":status"), ngx_string("503") }, | |
48 { ngx_string("accept"), ngx_string("*/*") }, | |
49 { ngx_string("accept"), | |
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50 ngx_string("application/dns-message") }, |
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51 { ngx_string("accept-encoding"), ngx_string("gzip, deflate, br") }, |
7681 | 52 { ngx_string("accept-ranges"), ngx_string("bytes") }, |
53 { ngx_string("access-control-allow-headers"), | |
54 ngx_string("cache-control") }, | |
55 { ngx_string("access-control-allow-headers"), | |
56 ngx_string("content-type") }, | |
57 { ngx_string("access-control-allow-origin"), | |
58 ngx_string("*") }, | |
59 { ngx_string("cache-control"), ngx_string("max-age=0") }, | |
60 { ngx_string("cache-control"), ngx_string("max-age=2592000") }, | |
61 { ngx_string("cache-control"), ngx_string("max-age=604800") }, | |
62 { ngx_string("cache-control"), ngx_string("no-cache") }, | |
63 { ngx_string("cache-control"), ngx_string("no-store") }, | |
64 { ngx_string("cache-control"), | |
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65 ngx_string("public, max-age=31536000") }, |
7681 | 66 { ngx_string("content-encoding"), ngx_string("br") }, |
67 { ngx_string("content-encoding"), ngx_string("gzip") }, | |
68 { ngx_string("content-type"), | |
69 ngx_string("application/dns-message") }, | |
70 { ngx_string("content-type"), | |
71 ngx_string("application/javascript") }, | |
72 { ngx_string("content-type"), ngx_string("application/json") }, | |
73 { ngx_string("content-type"), | |
74 ngx_string("application/x-www-form-urlencoded") }, | |
75 { ngx_string("content-type"), ngx_string("image/gif") }, | |
76 { ngx_string("content-type"), ngx_string("image/jpeg") }, | |
77 { ngx_string("content-type"), ngx_string("image/png") }, | |
78 { ngx_string("content-type"), ngx_string("text/css") }, | |
79 { ngx_string("content-type"), | |
80 ngx_string("text/html;charset=utf-8") }, | |
81 { ngx_string("content-type"), ngx_string("text/plain") }, | |
82 { ngx_string("content-type"), | |
83 ngx_string("text/plain;charset=utf-8") }, | |
84 { ngx_string("range"), ngx_string("bytes=0-") }, | |
85 { ngx_string("strict-transport-security"), | |
86 ngx_string("max-age=31536000") }, | |
87 { ngx_string("strict-transport-security"), | |
88 ngx_string("max-age=31536000;includesubdomains") }, | |
89 { ngx_string("strict-transport-security"), | |
90 ngx_string("max-age=31536000;includesubdomains;preload") }, | |
91 { ngx_string("vary"), ngx_string("accept-encoding") }, | |
92 { ngx_string("vary"), ngx_string("origin") }, | |
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93 { ngx_string("x-content-type-options"), |
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parents:
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94 ngx_string("nosniff") }, |
7681 | 95 { ngx_string("x-xss-protection"), ngx_string("1;mode=block") }, |
96 { ngx_string(":status"), ngx_string("100") }, | |
97 { ngx_string(":status"), ngx_string("204") }, | |
98 { ngx_string(":status"), ngx_string("206") }, | |
99 { ngx_string(":status"), ngx_string("302") }, | |
100 { ngx_string(":status"), ngx_string("400") }, | |
101 { ngx_string(":status"), ngx_string("403") }, | |
102 { ngx_string(":status"), ngx_string("421") }, | |
103 { ngx_string(":status"), ngx_string("425") }, | |
104 { ngx_string(":status"), ngx_string("500") }, | |
105 { ngx_string("accept-language"), ngx_string("") }, | |
106 { ngx_string("access-control-allow-credentials"), | |
107 ngx_string("FALSE") }, | |
108 { ngx_string("access-control-allow-credentials"), | |
109 ngx_string("TRUE") }, | |
110 { ngx_string("access-control-allow-headers"), | |
111 ngx_string("*") }, | |
112 { ngx_string("access-control-allow-methods"), | |
113 ngx_string("get") }, | |
114 { ngx_string("access-control-allow-methods"), | |
115 ngx_string("get, post, options") }, | |
116 { ngx_string("access-control-allow-methods"), | |
117 ngx_string("options") }, | |
118 { ngx_string("access-control-expose-headers"), | |
119 ngx_string("content-length") }, | |
120 { ngx_string("access-control-request-headers"), | |
121 ngx_string("content-type") }, | |
122 { ngx_string("access-control-request-method"), | |
123 ngx_string("get") }, | |
124 { ngx_string("access-control-request-method"), | |
125 ngx_string("post") }, | |
126 { ngx_string("alt-svc"), ngx_string("clear") }, | |
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parents:
7692
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127 { ngx_string("authorization"), ngx_string("") }, |
7681 | 128 { ngx_string("content-security-policy"), |
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parents:
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diff
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129 ngx_string("script-src 'none';object-src 'none';base-uri 'none'") }, |
7681 | 130 { ngx_string("early-data"), ngx_string("1") }, |
131 { ngx_string("expect-ct"), ngx_string("") }, | |
132 { ngx_string("forwarded"), ngx_string("") }, | |
133 { ngx_string("if-range"), ngx_string("") }, | |
134 { ngx_string("origin"), ngx_string("") }, | |
135 { ngx_string("purpose"), ngx_string("prefetch") }, | |
136 { ngx_string("server"), ngx_string("") }, | |
137 { ngx_string("timing-allow-origin"), ngx_string("*") }, | |
138 { ngx_string("upgrade-insecure-requests"), | |
139 ngx_string("1") }, | |
140 { ngx_string("user-agent"), ngx_string("") }, | |
141 { ngx_string("x-forwarded-for"), ngx_string("") }, | |
142 { ngx_string("x-frame-options"), ngx_string("deny") }, | |
143 { ngx_string("x-frame-options"), ngx_string("sameorigin") } | |
144 }; | |
145 | |
146 | |
147 ngx_int_t | |
148 ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, | |
149 ngx_uint_t index, ngx_str_t *value) | |
150 { | |
151 ngx_array_t *dt; | |
152 ngx_http_v3_header_t *ref, *h; | |
153 | |
154 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
155 "http3 ref insert %s[$ui] \"%V\"", | |
156 dynamic ? "dynamic" : "static", index, value); | |
157 | |
158 ref = ngx_http_v3_lookup_table(c, dynamic, index); | |
159 if (ref == NULL) { | |
160 return NGX_ERROR; | |
161 } | |
162 | |
163 dt = ngx_http_v3_get_dynamic_table(c); | |
164 if (dt == NULL) { | |
165 return NGX_ERROR; | |
166 } | |
167 | |
168 h = ngx_array_push(dt); | |
169 if (h == NULL) { | |
170 return NGX_ERROR; | |
171 } | |
172 | |
173 h->name = ref->name; | |
174 h->value = *value; | |
175 | |
176 if (ngx_http_v3_new_header(c) != NGX_OK) { | |
177 return NGX_ERROR; | |
178 } | |
179 | |
180 return NGX_OK; | |
181 } | |
182 | |
183 | |
184 ngx_int_t | |
185 ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name, | |
186 ngx_str_t *value) | |
187 { | |
188 ngx_array_t *dt; | |
189 ngx_http_v3_header_t *h; | |
190 | |
191 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
192 "http3 insert \"%V\":\"%V\"", name, value); | |
193 | |
194 dt = ngx_http_v3_get_dynamic_table(c); | |
195 if (dt == NULL) { | |
196 return NGX_ERROR; | |
197 } | |
198 | |
199 h = ngx_array_push(dt); | |
200 if (h == NULL) { | |
201 return NGX_ERROR; | |
202 } | |
203 | |
204 h->name = *name; | |
205 h->value = *value; | |
206 | |
207 if (ngx_http_v3_new_header(c) != NGX_OK) { | |
208 return NGX_ERROR; | |
209 } | |
210 | |
211 return NGX_OK; | |
212 } | |
213 | |
214 | |
215 ngx_int_t | |
216 ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity) | |
217 { | |
218 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
219 "http3 set capacity %ui", capacity); | |
220 | |
221 /* XXX ignore capacity */ | |
222 | |
223 return NGX_OK; | |
224 } | |
225 | |
226 | |
227 ngx_int_t | |
228 ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index) | |
229 { | |
230 ngx_array_t *dt; | |
231 ngx_http_v3_header_t *ref, *h; | |
232 | |
233 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 duplicate %ui", index); | |
234 | |
235 ref = ngx_http_v3_lookup_table(c, 1, index); | |
236 if (ref == NULL) { | |
237 return NGX_ERROR; | |
238 } | |
239 | |
240 dt = ngx_http_v3_get_dynamic_table(c); | |
241 if (dt == NULL) { | |
242 return NGX_ERROR; | |
243 } | |
244 | |
245 h = ngx_array_push(dt); | |
246 if (h == NULL) { | |
247 return NGX_ERROR; | |
248 } | |
249 | |
250 *h = *ref; | |
251 | |
252 if (ngx_http_v3_new_header(c) != NGX_OK) { | |
253 return NGX_ERROR; | |
254 } | |
255 | |
256 return NGX_OK; | |
257 } | |
258 | |
259 | |
260 ngx_int_t | |
261 ngx_http_v3_ack_header(ngx_connection_t *c, ngx_uint_t stream_id) | |
262 { | |
263 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
264 "http3 ack header %ui", stream_id); | |
265 | |
266 /* XXX */ | |
267 | |
268 return NGX_OK; | |
269 } | |
270 | |
271 | |
272 ngx_int_t | |
273 ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id) | |
274 { | |
275 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
276 "http3 cancel stream %ui", stream_id); | |
277 | |
278 /* XXX */ | |
279 | |
280 return NGX_OK; | |
281 } | |
282 | |
283 | |
284 ngx_int_t | |
285 ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) | |
286 { | |
287 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
288 "http3 increment insert count %ui", inc); | |
289 | |
290 /* XXX */ | |
291 | |
292 return NGX_OK; | |
293 } | |
294 | |
295 | |
296 static ngx_array_t * | |
297 ngx_http_v3_get_dynamic_table(ngx_connection_t *c) | |
298 { | |
299 ngx_connection_t *pc; | |
300 ngx_http_v3_connection_t *h3c; | |
301 | |
302 pc = c->qs->parent; | |
303 h3c = pc->data; | |
304 | |
305 if (h3c->dynamic) { | |
306 return h3c->dynamic; | |
307 } | |
308 | |
309 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 create dynamic table"); | |
310 | |
311 h3c->dynamic = ngx_array_create(pc->pool, 1, sizeof(ngx_http_v3_header_t)); | |
312 | |
313 return h3c->dynamic; | |
314 } | |
315 | |
316 | |
317 ngx_http_v3_header_t * | |
318 ngx_http_v3_lookup_table(ngx_connection_t *c, ngx_uint_t dynamic, | |
319 ngx_uint_t index) | |
320 { | |
321 ngx_uint_t nelts; | |
322 ngx_array_t *dt; | |
323 ngx_http_v3_header_t *table; | |
324 | |
325 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 lookup %s[%ui]", | |
326 dynamic ? "dynamic" : "static", index); | |
327 | |
328 if (dynamic) { | |
329 dt = ngx_http_v3_get_dynamic_table(c); | |
330 if (dt == NULL) { | |
331 return NULL; | |
332 } | |
333 | |
334 table = dt->elts; | |
335 nelts = dt->nelts; | |
336 | |
337 } else { | |
338 table = ngx_http_v3_static_table; | |
339 nelts = sizeof(ngx_http_v3_static_table) | |
340 / sizeof(ngx_http_v3_static_table[0]); | |
341 } | |
342 | |
343 if (index >= nelts) { | |
344 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
345 "http3 lookup out of bounds: %ui", nelts); | |
346 return NULL; | |
347 } | |
348 | |
349 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 lookup \"%V\":\"%V\"", | |
350 &table[index].name, &table[index].value); | |
351 | |
352 return &table[index]; | |
353 } | |
354 | |
355 | |
356 ngx_int_t | |
357 ngx_http_v3_check_insert_count(ngx_connection_t *c, ngx_uint_t insert_count) | |
358 { | |
359 size_t n; | |
360 ngx_http_v3_connection_t *h3c; | |
361 | |
362 h3c = c->qs->parent->data; | |
363 n = h3c->dynamic ? h3c->dynamic->nelts : 0; | |
364 | |
365 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
366 "http3 check insert count %ui/%ui", insert_count, n); | |
367 | |
368 if (n < insert_count) { | |
369 /* XXX how to get notified? */ | |
370 /* XXX wake all streams on any arrival to the encoder stream? */ | |
371 return NGX_AGAIN; | |
372 } | |
373 | |
374 return NGX_OK; | |
375 } | |
376 | |
377 | |
378 static ngx_int_t | |
379 ngx_http_v3_new_header(ngx_connection_t *c) | |
380 { | |
381 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 new dynamic header"); | |
382 | |
383 /* XXX report all waiting streams of a new header */ | |
384 | |
385 return NGX_OK; | |
386 } | |
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parents:
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387 |
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388 |
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389 ngx_int_t |
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390 ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id, uint64_t value) |
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391 { |
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392 switch (id) { |
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393 |
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394 case NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY: |
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395 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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396 "http3 param QPACK_MAX_TABLE_CAPACITY:%uL", value); |
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397 break; |
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398 |
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399 case NGX_HTTP_V3_PARAM_MAX_HEADER_LIST_SIZE: |
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400 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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401 "http3 param SETTINGS_MAX_HEADER_LIST_SIZE:%uL", value); |
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402 break; |
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403 |
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404 case NGX_HTTP_V3_PARAM_BLOCKED_STREAMS: |
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405 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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406 "http3 param QPACK_BLOCKED_STREAMS:%uL", value); |
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407 break; |
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408 |
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409 default: |
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410 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
7681
diff
changeset
|
411 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
7681
diff
changeset
|
412 "http3 param #%uL:%uL", id, value); |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
7681
diff
changeset
|
413 } |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
7681
diff
changeset
|
414 |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
7681
diff
changeset
|
415 return NGX_OK; |
268f4389130d
Refactored HTTP/3 parser.
Roman Arutyunyan <arut@nginx.com>
parents:
7681
diff
changeset
|
416 } |