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view src/os/unix/ngx_freebsd_config.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 7142b04337d6
children 7f035fd1ec7b
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_FREEBSD_CONFIG_H_INCLUDED_
#define _NGX_FREEBSD_CONFIG_H_INCLUDED_


#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include <stdarg.h>
#include <stddef.h>             /* offsetof() */
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include <signal.h>
#include <pwd.h>
#include <grp.h>
#include <dirent.h>
#include <glob.h>
#include <time.h>
#include <sys/param.h>          /* ALIGN() */
#include <sys/mount.h>          /* statfs() */

#include <sys/filio.h>          /* FIONBIO */
#include <sys/uio.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <sys/wait.h>
#include <sys/mman.h>
#include <sys/resource.h>
#include <sched.h>

#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>        /* TCP_NODELAY, TCP_NOPUSH */
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/un.h>

#include <libutil.h>            /* setproctitle() before 4.1 */
#include <osreldate.h>
#include <sys/sysctl.h>

#include <dlfcn.h>


#if __FreeBSD_version < 400017

/*
 * FreeBSD 3.x has no CMSG_SPACE() and CMSG_LEN() and has the broken CMSG_DATA()
 */

#undef  CMSG_SPACE
#define CMSG_SPACE(l)       (ALIGN(sizeof(struct cmsghdr)) + ALIGN(l))

#undef  CMSG_LEN
#define CMSG_LEN(l)         (ALIGN(sizeof(struct cmsghdr)) + (l))

#undef  CMSG_DATA
#define CMSG_DATA(cmsg)     ((u_char *)(cmsg) + ALIGN(sizeof(struct cmsghdr)))

#endif


#include <ngx_auto_config.h>


#if (NGX_HAVE_POSIX_SEM)
#include <semaphore.h>
#endif


#if (NGX_HAVE_POLL)
#include <poll.h>
#endif


#if (NGX_HAVE_KQUEUE)
#include <sys/event.h>
#endif


#if (NGX_HAVE_FILE_AIO)
#include <aio.h>
typedef struct aiocb  ngx_aiocb_t;
#endif


#define NGX_LISTEN_BACKLOG        -1


#ifdef __DragonFly__
#define NGX_KEEPALIVE_FACTOR      1000
#endif


#ifndef IOV_MAX
#define IOV_MAX   1024
#endif


#ifndef NGX_HAVE_INHERITED_NONBLOCK
#define NGX_HAVE_INHERITED_NONBLOCK  1
#endif


#define NGX_HAVE_OS_SPECIFIC_INIT    1
#define NGX_HAVE_DEBUG_MALLOC        1


extern char **environ;
extern char  *malloc_options;


#endif /* _NGX_FREEBSD_CONFIG_H_INCLUDED_ */