Mercurial > hg > nginx-quic
annotate src/event/ngx_event_timer.h @ 8717:e06283038ec8 quic
QUIC: clear SSL_OP_ENABLE_MIDDLEBOX_COMPAT on SSL context switch.
The SSL_OP_ENABLE_MIDDLEBOX_COMPAT option is provided by QuicTLS and enabled
by default in the newly created SSL contexts. SSL_set_quic_method() is used
to clear it, which is required for SSL handshake to work on QUIC connections.
Switching context in the ngx_http_ssl_servername() SNI callback overrides SSL
options from the new SSL context. This results in the option set again.
Fix is to explicitly clear it when switching to another SSL context.
Initially reported here (in Russian):
http://mailman.nginx.org/pipermail/nginx-ru/2021-November/063989.html
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Tue, 07 Dec 2021 15:49:51 +0300 |
parents | 3069dd358ba2 |
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rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #ifndef _NGX_EVENT_TIMER_H_INCLUDED_ |
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9 #define _NGX_EVENT_TIMER_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 #include <ngx_event.h> |
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501 | 17 #define NGX_TIMER_INFINITE (ngx_msec_t) -1 |
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18 |
493 | 19 #define NGX_TIMER_LAZY_DELAY 300 |
20 | |
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22 ngx_int_t ngx_event_timer_init(ngx_log_t *log); |
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23 ngx_msec_t ngx_event_find_timer(void); |
557 | 24 void ngx_event_expire_timers(void); |
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25 ngx_int_t ngx_event_no_timers_left(void); |
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Events: removed broken thread support from event timers.
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28 extern ngx_rbtree_t ngx_event_timer_rbtree; |
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493 | 31 static ngx_inline void |
32 ngx_event_del_timer(ngx_event_t *ev) | |
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33 { |
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34 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
557 | 35 "event timer del: %d: %M", |
559 | 36 ngx_event_ident(ev->data), ev->timer.key); |
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37 |
559 | 38 ngx_rbtree_delete(&ngx_event_timer_rbtree, &ev->timer); |
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40 #if (NGX_DEBUG) |
559 | 41 ev->timer.left = NULL; |
42 ev->timer.right = NULL; | |
43 ev->timer.parent = NULL; | |
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44 #endif |
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46 ev->timer_set = 0; |
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47 } |
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493 | 50 static ngx_inline void |
51 ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) | |
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52 { |
561 | 53 ngx_msec_t key; |
54 ngx_msec_int_t diff; | |
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563 | 56 key = ngx_current_msec + timer; |
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58 if (ev->timer_set) { |
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60 /* |
1807 | 61 * Use a previous timer value if difference between it and a new |
62 * value is less than NGX_TIMER_LAZY_DELAY milliseconds: this allows | |
63 * to minimize the rbtree operations for fast connections. | |
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64 */ |
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65 |
561 | 66 diff = (ngx_msec_int_t) (key - ev->timer.key); |
557 | 67 |
68 if (ngx_abs(diff) < NGX_TIMER_LAZY_DELAY) { | |
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69 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
557 | 70 "event timer: %d, old: %M, new: %M", |
559 | 71 ngx_event_ident(ev->data), ev->timer.key, key); |
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72 return; |
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73 } |
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74 |
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75 ngx_del_timer(ev); |
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76 } |
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559 | 78 ev->timer.key = key; |
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79 |
557 | 80 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
81 "event timer add: %d: %M:%M", | |
559 | 82 ngx_event_ident(ev->data), timer, ev->timer.key); |
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83 |
559 | 84 ngx_rbtree_insert(&ngx_event_timer_rbtree, &ev->timer); |
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85 |
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86 ev->timer_set = 1; |
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87 } |
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88 |
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89 |
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90 #endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */ |