Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream_upstream.h @ 6396:dcfe355dfda4
HTTP/2: fixed undefined behavior in ngx_http_v2_huff_encode().
When the "pending" value is zero, the "buf" will be right shifted
by the width of its type, which results in undefined behavior.
Found by Coverity (CID 1352150).
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Fri, 12 Feb 2016 16:36:20 +0300 |
parents | 6345822f0abb |
children | 8f038068f4bc |
rev | line source |
---|---|
6115 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #ifndef _NGX_STREAM_UPSTREAM_H_INCLUDED_ | |
9 #define _NGX_STREAM_UPSTREAM_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 #include <ngx_stream.h> | |
15 #include <ngx_event_connect.h> | |
16 | |
17 | |
18 #define NGX_STREAM_UPSTREAM_CREATE 0x0001 | |
19 #define NGX_STREAM_UPSTREAM_WEIGHT 0x0002 | |
20 #define NGX_STREAM_UPSTREAM_MAX_FAILS 0x0004 | |
21 #define NGX_STREAM_UPSTREAM_FAIL_TIMEOUT 0x0008 | |
22 #define NGX_STREAM_UPSTREAM_DOWN 0x0010 | |
23 #define NGX_STREAM_UPSTREAM_BACKUP 0x0020 | |
24 | |
25 | |
26 typedef struct { | |
27 ngx_array_t upstreams; | |
28 /* ngx_stream_upstream_srv_conf_t */ | |
29 } ngx_stream_upstream_main_conf_t; | |
30 | |
31 | |
32 typedef struct ngx_stream_upstream_srv_conf_s ngx_stream_upstream_srv_conf_t; | |
33 | |
34 | |
35 typedef ngx_int_t (*ngx_stream_upstream_init_pt)(ngx_conf_t *cf, | |
36 ngx_stream_upstream_srv_conf_t *us); | |
37 typedef ngx_int_t (*ngx_stream_upstream_init_peer_pt)(ngx_stream_session_t *s, | |
38 ngx_stream_upstream_srv_conf_t *us); | |
39 | |
40 | |
41 typedef struct { | |
42 ngx_stream_upstream_init_pt init_upstream; | |
43 ngx_stream_upstream_init_peer_pt init; | |
44 void *data; | |
45 } ngx_stream_upstream_peer_t; | |
46 | |
47 | |
48 typedef struct { | |
49 ngx_str_t name; | |
50 ngx_addr_t *addrs; | |
51 ngx_uint_t naddrs; | |
52 ngx_uint_t weight; | |
53 ngx_uint_t max_fails; | |
54 time_t fail_timeout; | |
55 | |
56 unsigned down:1; | |
57 unsigned backup:1; | |
58 } ngx_stream_upstream_server_t; | |
59 | |
60 | |
61 struct ngx_stream_upstream_srv_conf_s { | |
62 ngx_stream_upstream_peer_t peer; | |
63 void **srv_conf; | |
64 | |
65 ngx_array_t *servers; | |
66 /* ngx_stream_upstream_server_t */ | |
67 | |
68 ngx_uint_t flags; | |
69 ngx_str_t host; | |
70 u_char *file_name; | |
71 ngx_uint_t line; | |
72 in_port_t port; | |
73 ngx_uint_t no_port; /* unsigned no_port:1 */ | |
74 | |
75 #if (NGX_STREAM_UPSTREAM_ZONE) | |
76 ngx_shm_zone_t *shm_zone; | |
77 #endif | |
78 }; | |
79 | |
80 | |
81 typedef struct { | |
82 ngx_peer_connection_t peer; | |
83 ngx_buf_t downstream_buf; | |
84 ngx_buf_t upstream_buf; | |
85 off_t received; | |
6201
24488e6db782
Stream: upstream and downstream limit rates.
Roman Arutyunyan <arut@nginx.com>
parents:
6184
diff
changeset
|
86 time_t start_sec; |
6115 | 87 #if (NGX_STREAM_SSL) |
88 ngx_str_t ssl_name; | |
89 #endif | |
6202
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
90 unsigned connected:1; |
6345822f0abb
Stream: upstream "connected" flag.
Roman Arutyunyan <arut@nginx.com>
parents:
6201
diff
changeset
|
91 unsigned proxy_protocol:1; |
6115 | 92 } ngx_stream_upstream_t; |
93 | |
94 | |
95 ngx_stream_upstream_srv_conf_t *ngx_stream_upstream_add(ngx_conf_t *cf, | |
96 ngx_url_t *u, ngx_uint_t flags); | |
97 | |
98 | |
99 #define ngx_stream_conf_upstream_srv_conf(uscf, module) \ | |
100 uscf->srv_conf[module.ctx_index] | |
101 | |
102 | |
103 extern ngx_module_t ngx_stream_upstream_module; | |
104 | |
105 | |
106 #endif /* _NGX_STREAM_UPSTREAM_H_INCLUDED_ */ |