Mercurial > hg > nginx
annotate src/os/win32/ngx_socket.c @ 7561:9f1f9d6e056a
HTTP/2: discard remaining request body after redirect.
Previously, if unbuffered request body reading wasn't finished before
the request was redirected to a different location using error_page
or X-Accel-Redirect, and the request body is read again, this could
lead to disastrous effects, such as a duplicate post_handler call or
"http request count is zero" alert followed by a segmentation fault.
This happened in the following configuration (ticket #1819):
location / {
proxy_request_buffering off;
proxy_pass http://bad;
proxy_intercept_errors on;
error_page 502 = /error;
}
location /error {
proxy_pass http://backend;
}
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Mon, 19 Aug 2019 15:16:06 +0300 |
parents | d620f497c50f |
children | efd71d49bde0 |
rev | line source |
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1 |
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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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11 |
501 | 12 int |
13 ngx_nonblocking(ngx_socket_t s) | |
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14 { |
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15 unsigned long nb = 1; |
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17 return ioctlsocket(s, FIONBIO, &nb); |
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18 } |
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20 |
501 | 21 int |
22 ngx_blocking(ngx_socket_t s) | |
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23 { |
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24 unsigned long nb = 0; |
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25 |
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26 return ioctlsocket(s, FIONBIO, &nb); |
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27 } |
501 | 28 |
29 | |
30 int | |
31 ngx_tcp_push(ngx_socket_t s) | |
32 { | |
33 return 0; | |
34 } |