Mercurial > hg > nginx
annotate src/event/ngx_event_posted.c @ 8544:26a5bd4aff57 quic
QUIC: removed check for packet size beyond MAX_UDP_PAYLOAD_SIZE.
The check tested the total size of a packet header and unprotected packet
payload, which doesn't include the packet number length and expansion of
the packet protection AEAD. If the packet was corrupted, it could cause
false triggering of the condition due to unsigned type underflow leading
to a connection error.
Existing checks for the QUIC header and protected packet payload lengths
should be enough.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Tue, 08 Sep 2020 13:35:50 +0300 |
parents | f1720934c45b |
children |
rev | line source |
---|---|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
1 |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
2 /* |
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
5 */ |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
6 |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_config.h> |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_core.h> |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 #include <ngx_event.h> |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
12 |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
13 ngx_queue_t ngx_posted_accept_events; |
7584
9d2ad2fb4423
SSL: available bytes handling (ticket #1431).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5821
diff
changeset
|
14 ngx_queue_t ngx_posted_next_events; |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
15 ngx_queue_t ngx_posted_events; |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
16 |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
17 |
563 | 18 void |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
19 ngx_event_process_posted(ngx_cycle_t *cycle, ngx_queue_t *posted) |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
20 { |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
21 ngx_queue_t *q; |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
22 ngx_event_t *ev; |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
23 |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
24 while (!ngx_queue_empty(posted)) { |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
25 |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
26 q = ngx_queue_head(posted); |
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
27 ev = ngx_queue_data(q, ngx_event_t, queue); |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
28 |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
29 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 30 "posted event %p", ev); |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
31 |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
32 ngx_delete_posted_event(ev); |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
374
diff
changeset
|
33 |
509 | 34 ev->handler(ev); |
306
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
35 } |
6b91bfbc4123
nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
36 } |
7612
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
37 |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
38 |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
39 void |
7617
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
40 ngx_event_move_posted_next(ngx_cycle_t *cycle) |
7612
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
41 { |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
42 ngx_queue_t *q; |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
43 ngx_event_t *ev; |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
44 |
7617
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
45 for (q = ngx_queue_head(&ngx_posted_next_events); |
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
46 q != ngx_queue_sentinel(&ngx_posted_next_events); |
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
47 q = ngx_queue_next(q)) |
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
48 { |
7612
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
49 ev = ngx_queue_data(q, ngx_event_t, queue); |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
50 |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
51 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
52 "posted next event %p", ev); |
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
53 |
7617
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
54 ev->ready = 1; |
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
55 ev->available = -1; |
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
56 } |
7612
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
57 |
7617
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
58 ngx_queue_add(&ngx_posted_events, &ngx_posted_next_events); |
f1720934c45b
SSL: reworked posted next events again.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7612
diff
changeset
|
59 ngx_queue_init(&ngx_posted_next_events); |
7612
1ce3f01a4355
SSL: reworked posted next events.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7584
diff
changeset
|
60 } |