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http://git.haproxy.org/git/haproxy.git/
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d551fb5a8d
This patch does not change the logic of the code, it only changes the way OS-specific defines are tested. At the moment the transparent proxy code heavily depends on Linux-specific defines. This first patch introduces a new define "CONFIG_HAP_TRANSPARENT" which is set every time the defines used by transparent proxy are present. This also means that with an up-to-date libc, it should not be necessary anymore to force CONFIG_HAP_LINUX_TPROXY during the build, as the flags will automatically be detected. The CTTPROXY flags still remain separate because this older API doesn't work the same way. A new line has been added in the version output for haproxy -vv to indicate what transparent proxy support is available.
134 lines
3.2 KiB
C
134 lines
3.2 KiB
C
/*
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* include/common/compat.h
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* Operating system compatibility interface.
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*
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* Copyright (C) 2000-2010 Willy Tarreau - w@1wt.eu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _COMMON_COMPAT_H
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#define _COMMON_COMPAT_H
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/* This is needed on Linux for Netfilter includes */
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <common/config.h>
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#include <common/standard.h>
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#ifndef BITS_PER_INT
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#define BITS_PER_INT (8*sizeof(int))
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#endif
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/* this is for libc5 for example */
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#ifndef TCP_NODELAY
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#define TCP_NODELAY 1
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#endif
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#ifndef SHUT_RD
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#define SHUT_RD 0
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#endif
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#ifndef SHUT_WR
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#define SHUT_WR 1
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#endif
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/* only Linux defines it */
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#ifndef MSG_NOSIGNAL
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#define MSG_NOSIGNAL 0
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#endif
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/* AIX does not define MSG_DONTWAIT. We'll define it to zero, and test it
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* wherever appropriate.
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*/
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#ifndef MSG_DONTWAIT
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#define MSG_DONTWAIT 0
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#endif
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/* Only Linux defines MSG_MORE */
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#ifndef MSG_MORE
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#define MSG_MORE 0
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#endif
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/* Maximum path length, OS-dependant */
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#ifndef MAXPATHLEN
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#define MAXPATHLEN 128
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#endif
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/* On Linux, allows pipes to be resized */
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#ifndef F_SETPIPE_SZ
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#define F_SETPIPE_SZ (1024 + 7)
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#endif
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#if defined(TPROXY) && defined(NETFILTER)
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#include <linux/types.h>
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#include <linux/netfilter_ipv6.h>
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#include <linux/netfilter_ipv4.h>
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#endif
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/* On Linux, IP_TRANSPARENT and/or IP_FREEBIND generally require a kernel patch */
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#if defined(CONFIG_HAP_LINUX_TPROXY)
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#if !defined(IP_FREEBIND)
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#define IP_FREEBIND 15
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#endif /* !IP_FREEBIND */
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#if !defined(IP_TRANSPARENT)
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#define IP_TRANSPARENT 19
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#endif /* !IP_TRANSPARENT */
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#if !defined(IPV6_TRANSPARENT)
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#define IPV6_TRANSPARENT 75
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#endif /* !IPV6_TRANSPARENT */
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#endif /* CONFIG_HAP_LINUX_TPROXY */
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#if defined(IP_FREEBIND) \
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|| defined(IP_TRANSPARENT) \
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|| defined(IPV6_TRANSPARENT)
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#define CONFIG_HAP_TRANSPARENT
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#endif
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/* We'll try to enable SO_REUSEPORT on Linux 2.4 and 2.6 if not defined.
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* There are two families of values depending on the architecture. Those
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* are at least valid on Linux 2.4 and 2.6, reason why we'll rely on the
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* NETFILTER define.
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*/
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#if !defined(SO_REUSEPORT) && defined(NETFILTER)
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#if (SO_REUSEADDR == 2)
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#define SO_REUSEPORT 15
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#elif (SO_REUSEADDR == 0x0004)
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#define SO_REUSEPORT 0x0200
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#endif /* SO_REUSEADDR */
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#endif /* SO_REUSEPORT */
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/* only Linux defines TCP_FASTOPEN */
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#ifdef USE_TFO
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#ifndef TCP_FASTOPEN
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#define TCP_FASTOPEN 23
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#endif
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#endif
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#if defined(__dietlibc__)
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#include <strings.h>
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#endif
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#endif /* _COMMON_COMPAT_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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