mirror of
http://git.haproxy.org/git/haproxy.git/
synced 2024-12-19 18:28:33 +00:00
ae459f3b9f
Dmitry Sivachenko reported a build failure on FreeBSD due to SOL_IP not being defined. IPPROTO_IP must be used there instead.
157 lines
3.9 KiB
C
157 lines
3.9 KiB
C
/*
|
|
* include/common/compat.h
|
|
* Operating system compatibility interface.
|
|
*
|
|
* Copyright (C) 2000-2010 Willy Tarreau - w@1wt.eu
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation, version 2.1
|
|
* exclusively.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _COMMON_COMPAT_H
|
|
#define _COMMON_COMPAT_H
|
|
|
|
#include <limits.h>
|
|
/* This is needed on Linux for Netfilter includes */
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <arpa/inet.h>
|
|
#include <netinet/in.h>
|
|
|
|
#ifndef BITS_PER_INT
|
|
#define BITS_PER_INT (8*sizeof(int))
|
|
#endif
|
|
|
|
/* this is for libc5 for example */
|
|
#ifndef TCP_NODELAY
|
|
#define TCP_NODELAY 1
|
|
#endif
|
|
|
|
#ifndef SHUT_RD
|
|
#define SHUT_RD 0
|
|
#endif
|
|
|
|
#ifndef SHUT_WR
|
|
#define SHUT_WR 1
|
|
#endif
|
|
|
|
/* only Linux defines it */
|
|
#ifndef MSG_NOSIGNAL
|
|
#define MSG_NOSIGNAL 0
|
|
#endif
|
|
|
|
/* AIX does not define MSG_DONTWAIT. We'll define it to zero, and test it
|
|
* wherever appropriate.
|
|
*/
|
|
#ifndef MSG_DONTWAIT
|
|
#define MSG_DONTWAIT 0
|
|
#endif
|
|
|
|
/* Only Linux defines MSG_MORE */
|
|
#ifndef MSG_MORE
|
|
#define MSG_MORE 0
|
|
#endif
|
|
|
|
/* On Linux 2.4 and above, MSG_TRUNC can be used on TCP sockets to drop any
|
|
* pending data. Let's rely on NETFILTER to detect if this is supported.
|
|
*/
|
|
#ifdef NETFILTER
|
|
#define MSG_TRUNC_CLEARS_INPUT
|
|
#endif
|
|
|
|
/* Maximum path length, OS-dependant */
|
|
#ifndef MAXPATHLEN
|
|
#define MAXPATHLEN 128
|
|
#endif
|
|
|
|
/* On Linux, allows pipes to be resized */
|
|
#ifndef F_SETPIPE_SZ
|
|
#define F_SETPIPE_SZ (1024 + 7)
|
|
#endif
|
|
|
|
#if defined(TPROXY) && defined(NETFILTER)
|
|
#include <linux/types.h>
|
|
#include <linux/netfilter_ipv6.h>
|
|
#include <linux/netfilter_ipv4.h>
|
|
#endif
|
|
|
|
/* On Linux, IP_TRANSPARENT and/or IP_FREEBIND generally require a kernel patch */
|
|
#if defined(CONFIG_HAP_LINUX_TPROXY)
|
|
#if !defined(IP_FREEBIND)
|
|
#define IP_FREEBIND 15
|
|
#endif /* !IP_FREEBIND */
|
|
#if !defined(IP_TRANSPARENT)
|
|
#define IP_TRANSPARENT 19
|
|
#endif /* !IP_TRANSPARENT */
|
|
#if !defined(IPV6_TRANSPARENT)
|
|
#define IPV6_TRANSPARENT 75
|
|
#endif /* !IPV6_TRANSPARENT */
|
|
#endif /* CONFIG_HAP_LINUX_TPROXY */
|
|
|
|
#if defined(IP_FREEBIND) \
|
|
|| defined(IP_BINDANY) \
|
|
|| defined(IPV6_BINDANY) \
|
|
|| defined(SO_BINDANY) \
|
|
|| defined(IP_TRANSPARENT) \
|
|
|| defined(IPV6_TRANSPARENT)
|
|
#define CONFIG_HAP_TRANSPARENT
|
|
#endif
|
|
|
|
/* We'll try to enable SO_REUSEPORT on Linux 2.4 and 2.6 if not defined.
|
|
* There are two families of values depending on the architecture. Those
|
|
* are at least valid on Linux 2.4 and 2.6, reason why we'll rely on the
|
|
* NETFILTER define.
|
|
*/
|
|
#if !defined(SO_REUSEPORT) && defined(NETFILTER)
|
|
#if (SO_REUSEADDR == 2)
|
|
#define SO_REUSEPORT 15
|
|
#elif (SO_REUSEADDR == 0x0004)
|
|
#define SO_REUSEPORT 0x0200
|
|
#endif /* SO_REUSEADDR */
|
|
#endif /* SO_REUSEPORT */
|
|
|
|
/* only Linux defines TCP_FASTOPEN */
|
|
#ifdef USE_TFO
|
|
#ifndef TCP_FASTOPEN
|
|
#define TCP_FASTOPEN 23
|
|
#endif
|
|
#endif
|
|
|
|
/* FreeBSD doesn't define SOL_IP and prefers IPPROTO_IP */
|
|
#ifndef SOL_IP
|
|
#define SOL_IP IPPROTO_IP
|
|
#endif
|
|
|
|
/* If IPv6 is supported, define IN6_IS_ADDR_V4MAPPED() if missing. */
|
|
#if defined(IPV6_TCLASS) && !defined(IN6_IS_ADDR_V4MAPPED)
|
|
#define IN6_IS_ADDR_V4MAPPED(a) \
|
|
((((const uint32_t *) (a))[0] == 0) \
|
|
&& (((const uint32_t *) (a))[1] == 0) \
|
|
&& (((const uint32_t *) (a))[2] == htonl (0xffff)))
|
|
#endif
|
|
|
|
#if defined(__dietlibc__)
|
|
#include <strings.h>
|
|
#endif
|
|
|
|
#endif /* _COMMON_COMPAT_H */
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-indent-level: 8
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|