313 lines
7.8 KiB
C
313 lines
7.8 KiB
C
/* osdep.h
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Operating system dependencies... */
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/*
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* Copyright (c) 1996-1999 Internet Software Consortium.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of The Internet Software Consortium nor the names
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* of its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This software has been written for the Internet Software Consortium
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* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
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* To learn more about the Internet Software Consortium, see
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* ``http://www.isc.org/''. To learn more about Vixie Enterprises,
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* see ``http://www.vix.com''. To learn more about Nominum, Inc., see
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* ``http://www.nominum.com''.
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*/
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#if !defined (__ISC_DHCP_OSDEP_H__)
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#define __ISC_DHCP_OSDEP_H__
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#include "site.h"
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/* Porting::
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If you add a new network API, you must add a check for it below: */
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#if !defined (USE_SOCKETS) && \
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!defined (USE_SOCKET_SEND) && \
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!defined (USE_SOCKET_RECEIVE) && \
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!defined (USE_RAW_SOCKETS) && \
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!defined (USE_RAW_SEND) && \
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!defined (USE_SOCKET_RECEIVE) && \
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!defined (USE_BPF) && \
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!defined (USE_BPF_SEND) && \
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!defined (USE_BPF_RECEIVE) && \
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!defined (USE_LPF) && \
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!defined (USE_LPF_SEND) && \
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!defined (USE_LPF_RECEIVE) && \
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!defined (USE_NIT) && \
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!defined (USE_NIT_SEND) && \
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!defined (USE_NIT_RECEIVE) && \
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!defined (USR_DLPI_SEND) && \
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!defined (USE_DLPI_RECEIVE)
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# define USE_DEFAULT_NETWORK
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#endif
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#if !defined (TIME_MAX)
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# define TIME_MAX 2147483647
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#endif
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/* Porting::
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If you add a new system configuration file, include it here: */
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#if defined (sun)
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# if defined (__svr4__) || defined (__SVR4)
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# include "cf/sunos5-5.h"
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# else
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# include "cf/sunos4.h"
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# endif
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#endif
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#ifdef aix
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# include "cf/aix.h"
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#endif
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#ifdef bsdi
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# include "cf/bsdos.h"
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#endif
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#ifdef __NetBSD__
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# include "cf/netbsd.h"
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#endif
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#ifdef __FreeBSD__
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# include "cf/freebsd.h"
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#endif
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#ifdef OpenBSD
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# include "cf/openbsd.h"
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#endif
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#if defined (__osf__) && defined (__alpha)
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# include "cf/alphaosf.h"
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#endif
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#ifdef ultrix
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# include "cf/ultrix.h"
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#endif
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#ifdef linux
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# include "cf/linux.h"
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#endif
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#ifdef SCO
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# include "cf/sco.h"
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#endif
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#if defined (hpux) || defined (__hpux)
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# include "cf/hpux.h"
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#endif
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#ifdef __QNX__
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# include "cf/qnx.h"
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#endif
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#ifdef __CYGWIN32__
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# include "cf/cygwin32.h"
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#endif
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#ifdef __APPLE__
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# include "cf/rhapsody.h"
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#else
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# if defined (NeXT)
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# include "cf/nextstep.h"
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# endif
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#endif
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/* Porting::
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If you add a new network API, and have it set up so that it can be
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used for sending or receiving, but doesn't have to be used for both,
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then set up an ifdef like the ones below: */
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#ifdef USE_SOCKETS
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# define USE_SOCKET_SEND
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# define USE_SOCKET_RECEIVE
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#endif
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#ifdef USE_RAW_SOCKETS
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# define USE_RAW_SEND
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# define USE_SOCKET_RECEIVE
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#endif
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#ifdef USE_BPF
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# define USE_BPF_SEND
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# define USE_BPF_RECEIVE
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#endif
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#ifdef USE_LPF
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# define USE_LPF_SEND
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# define USE_LPF_RECEIVE
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#endif
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#ifdef USE_NIT
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# define USE_NIT_SEND
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# define USE_NIT_RECEIVE
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#endif
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#ifdef USE_DLPI
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# define USE_DLPI_SEND
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# define USE_DLPI_RECEIVE
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#endif
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#ifdef USE_UPF
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# define USE_UPF_SEND
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# define USE_UPF_RECEIVE
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#endif
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/* Porting::
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If you add support for sending packets directly out an interface,
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and your support does not do ARP or routing, you must use a fallback
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mechanism to deal with packets that need to be sent to routers.
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Currently, all low-level packet interfaces use BSD sockets as a
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fallback. */
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#if defined (USE_BPF_SEND) || defined (USE_NIT_SEND) || \
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defined (USE_DLPI_SEND) || defined (USE_UPF_SEND) || \
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defined (USE_LPF_SEND) || \
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(defined (USE_SOCKET_SEND) && defined (HAVE_SO_BINDTODEVICE))
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# define USE_SOCKET_FALLBACK
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# define USE_FALLBACK
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#endif
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/* Porting::
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If you add support for sending packets directly out an interface
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and need to be able to assemble packets, add the USE_XXX_SEND
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definition for your interface to the list tested below. */
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#if defined (USE_RAW_SEND) || defined (USE_BPF_SEND) || \
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defined (USE_NIT_SEND) || defined (USE_UPF_SEND) || \
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defined (USE_DLPI_SEND) || defined (USE_LPF_SEND)
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# define PACKET_ASSEMBLY
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#endif
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/* Porting::
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If you add support for receiving packets directly from an interface
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and need to be able to decode raw packets, add the USE_XXX_RECEIVE
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definition for your interface to the list tested below. */
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#if defined (USE_RAW_RECEIVE) || defined (USE_BPF_SEND) || \
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defined (USE_NIT_RECEIVE) || defined (USE_UPF_RECEIVE) || \
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defined (USE_DLPI_RECEIVE) || defined (USE_LPF_RECEIVE)
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# define PACKET_DECODING
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#endif
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/* If we don't have a DLPI packet filter, we have to filter in userland.
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Probably not worth doing, actually. */
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#if defined (USE_DLPI_RECEIVE) && !defined (USE_DLPI_PFMOD)
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# define USERLAND_FILTER
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#endif
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/* jmp_buf is assumed to be a struct unless otherwise defined in the
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system header. */
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#ifndef jbp_decl
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# define jbp_decl(x) jmp_buf *x
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#endif
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#ifndef jref
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# define jref(x) (&(x))
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#endif
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#ifndef jdref
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# define jdref(x) (*(x))
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#endif
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#ifndef jrefproto
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# define jrefproto jmp_buf *
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#endif
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#ifndef BPF_FORMAT
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# define BPF_FORMAT "/dev/bpf%d"
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#endif
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#if defined (F_SETFD) && !defined (HAVE_SETFD)
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# define HAVE_SETFD
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#endif
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#if defined (IFF_POINTOPOINT) && !defined (HAVE_IFF_POINTOPOINT)
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# define HAVE_IFF_POINTOPOINT
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#endif
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#if defined (AF_LINK) && !defined (HAVE_AF_LINK)
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# define HAVE_AF_LINK
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#endif
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#if defined (ARPHRD_TUNNEL) && !defined (HAVE_ARPHRD_TUNNEL)
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# define HAVE_ARPHRD_TUNNEL
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#endif
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#if defined (ARPHRD_LOOPBACK) && !defined (HAVE_ARPHRD_LOOPBACK)
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# define HAVE_ARPHRD_LOOPBACK
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#endif
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#if defined (ARPHRD_ROSE) && !defined (HAVE_ARPHRD_ROSE)
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# define HAVE_ARPHRD_ROSE
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#endif
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#if defined (ARPHRD_IEEE802) && !defined (HAVE_ARPHRD_IEEE802)
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# define HAVE_ARPHRD_IEEE802
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#endif
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#if defined (ARPHRD_FDDI) && !defined (HAVE_ARPHRD_FDDI)
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# define HAVE_ARPHRD_FDDI
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#endif
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#if defined (ARPHRD_AX25) && !defined (HAVE_ARPHRD_AX25)
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# define HAVE_ARPHRD_AX25
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#endif
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#if defined (ARPHRD_NETROM) && !defined (HAVE_ARPHRD_NETROM)
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# define HAVE_ARPHRD_NETROM
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#endif
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#if defined (ARPHRD_METRICOM) && !defined (HAVE_ARPHRD_METRICOM)
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# define HAVE_ARPHRD_METRICOM
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#endif
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#if defined (SO_BINDTODEVICE) && !defined (HAVE_SO_BINDTODEVICE)
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# define HAVE_SO_BINDTODEVICE
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#endif
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#if defined (AF_LINK) && !defined (HAVE_AF_LINK)
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# define HAVE_AF_LINK
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#endif
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/* Linux needs to define SHUT_* in /usr/include/sys/socket.h someday... */
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#if !defined (SHUT_RD)
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# define SHUT_RD 0
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#endif
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#if !defined (SOCKLEN_T)
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#define SOCKLEN_T socklen_t
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#endif
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#endif /* __ISC_DHCP_OSDEP_H__ */
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