Mercurial > hg > nginx-quic
annotate src/event/modules/ngx_iocp_module.h @ 8573:1a03af395f44
SSL: use of the SSL_OP_IGNORE_UNEXPECTED_EOF option.
A new behaviour was introduced in OpenSSL 1.1.1e, when a peer does not send
close_notify before closing the connection. Previously, it was to return
SSL_ERROR_SYSCALL with errno 0, known since at least OpenSSL 0.9.7, and is
handled gracefully in nginx. Now it returns SSL_ERROR_SSL with a distinct
reason SSL_R_UNEXPECTED_EOF_WHILE_READING ("unexpected eof while reading").
This leads to critical errors seen in nginx within various routines such as
SSL_do_handshake(), SSL_read(), SSL_shutdown(). The behaviour was restored
in OpenSSL 1.1.1f, but presents in OpenSSL 3.0 by default.
Use of the SSL_OP_IGNORE_UNEXPECTED_EOF option added in OpenSSL 3.0 allows
to set a compatible behaviour to return SSL_ERROR_ZERO_RETURN:
https://git.openssl.org/?p=openssl.git;a=commitdiff;h=09b90e0
See for additional details: https://github.com/openssl/openssl/issues/11381
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Tue, 10 Aug 2021 23:43:17 +0300 |
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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 #ifndef _NGX_IOCP_MODULE_H_INCLUDED_ |
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9 #define _NGX_IOCP_MODULE_H_INCLUDED_ |
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12 typedef struct { |
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13 int threads; |
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14 int post_acceptex; |
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15 int acceptex_read; |
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16 } ngx_iocp_conf_t; |
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19 extern ngx_module_t ngx_iocp_module; |
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22 #endif /* _NGX_IOCP_MODULE_H_INCLUDED_ */ |