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annotate src/os/unix/ngx_freebsd.h @ 6982:ac9b1df5b246

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SSL: disabled renegotiation detection in client mode. CVE-2009-3555 is no longer relevant and mitigated by the renegotiation info extension (secure renegotiation). On the other hand, unexpected renegotiation still introduces potential security risks, and hence we do not allow renegotiation on the server side, as we never request renegotiation. On the client side the situation is different though. There are backends which explicitly request renegotiation, and disabled renegotiation introduces interoperability problems. This change allows renegotiation on the client side, and fixes interoperability problems as observed with such backends (ticket #872). Additionally, with TLSv1.3 the SSL_CB_HANDSHAKE_START flag is currently set by OpenSSL when receiving a NewSessionTicket message, and was detected by nginx as a renegotiation attempt. This looks like a bug in OpenSSL, though this change also allows better interoperability till the problem is fixed.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 18 Apr 2017 16:08:44 +0300
parents d620f497c50f
children
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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4c698194c56d nginx-0.0.1-2003-11-13-19:16:33 import
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8 #ifndef _NGX_FREEBSD_H_INCLUDED_
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9 #define _NGX_FREEBSD_H_INCLUDED_
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12 void ngx_debug_init(void);
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7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import
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13 ngx_chain_t *ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in,
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975f62e77f02 nginx-0.1.21-RELEASE import
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14 off_t limit);
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16 extern int ngx_freebsd_kern_osreldate;
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17 extern int ngx_freebsd_hw_ncpu;
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18 extern u_long ngx_freebsd_net_inet_tcp_sendspace;
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3b1e8c9df9ad nginx-0.1.0-2004-10-04-00:02:06 import
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20 extern ngx_uint_t ngx_freebsd_sendfile_nbytes_bug;
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21 extern ngx_uint_t ngx_freebsd_use_tcp_nopush;
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22 extern ngx_uint_t ngx_debug_malloc;
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25 #endif /* _NGX_FREEBSD_H_INCLUDED_ */