Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_time.c @ 7983:39501ce97e29
gRPC: generate error when response size is wrong.
As long as the "Content-Length" header is given, we now make sure
it exactly matches the size of the response. If it doesn't,
the response is considered malformed and must not be forwarded
(https://tools.ietf.org/html/rfc7540#section-8.1.2.6). While it
is not really possible to "not forward" the response which is already
being forwarded, we generate an error instead, which is the closest
equivalent.
Previous behaviour was to pass everything to the client, but this
seems to be suboptimal and causes issues (ticket #1695). Also this
directly contradicts HTTP/2 specification requirements.
Note that the new behaviour for the gRPC proxy is more strict than that
applied in other variants of proxying. This is intentional, as HTTP/2
specification requires us to do so, while in other types of proxying
malformed responses from backends are well known and historically
tolerated.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 06 Jul 2020 18:36:25 +0300 |
parents | d620f497c50f |
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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. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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2220 | 12 /* |
13 * FreeBSD does not test /etc/localtime change, however, we can workaround it | |
14 * by calling tzset() with TZ and then without TZ to update timezone. | |
15 * The trick should work since FreeBSD 2.1.0. | |
16 * | |
17 * Linux does not test /etc/localtime change in localtime(), | |
18 * but may stat("/etc/localtime") several times in every strftime(), | |
19 * therefore we use it to update timezone. | |
20 * | |
21 * Solaris does not test /etc/TIMEZONE change too and no workaround available. | |
22 */ | |
23 | |
24 void | |
25 ngx_timezone_update(void) | |
26 { | |
27 #if (NGX_FREEBSD) | |
28 | |
29 if (getenv("TZ")) { | |
30 return; | |
31 } | |
32 | |
33 putenv("TZ=UTC"); | |
34 | |
35 tzset(); | |
36 | |
37 unsetenv("TZ"); | |
38 | |
39 tzset(); | |
40 | |
41 #elif (NGX_LINUX) | |
42 time_t s; | |
43 struct tm *t; | |
44 char buf[4]; | |
45 | |
46 s = time(0); | |
47 | |
48 t = localtime(&s); | |
49 | |
50 strftime(buf, 4, "%H", t); | |
51 | |
52 #endif | |
53 } | |
54 | |
55 | |
563 | 56 void |
57 ngx_localtime(time_t s, ngx_tm_t *tm) | |
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58 { |
469 | 59 #if (NGX_HAVE_LOCALTIME_R) |
563 | 60 (void) localtime_r(&s, tm); |
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62 #else |
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63 ngx_tm_t *t; |
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563 | 65 t = localtime(&s); |
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66 *tm = *t; |
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68 #endif |
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70 tm->ngx_tm_mon++; |
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71 tm->ngx_tm_year += 1900; |
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72 } |
509 | 73 |
74 | |
563 | 75 void |
76 ngx_libc_localtime(time_t s, struct tm *tm) | |
509 | 77 { |
78 #if (NGX_HAVE_LOCALTIME_R) | |
563 | 79 (void) localtime_r(&s, tm); |
509 | 80 |
81 #else | |
82 struct tm *t; | |
83 | |
563 | 84 t = localtime(&s); |
509 | 85 *tm = *t; |
86 | |
87 #endif | |
88 } | |
89 | |
90 | |
563 | 91 void |
92 ngx_libc_gmtime(time_t s, struct tm *tm) | |
509 | 93 { |
94 #if (NGX_HAVE_LOCALTIME_R) | |
563 | 95 (void) gmtime_r(&s, tm); |
509 | 96 |
97 #else | |
98 struct tm *t; | |
99 | |
563 | 100 t = gmtime(&s); |
509 | 101 *tm = *t; |
102 | |
103 #endif | |
104 } |