82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
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* internal definitions for use within the library; do not export!
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* Copyright (C) 1998, 1999 Henry Spencer.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Library General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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* License for more details.
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*
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* RCSID $Id: internal.h,v 1.1 2004/03/15 20:35:26 as Exp $
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*/
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#ifndef ABITS
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#define ABITS 32 /* bits in an IPv4 address */
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#endif
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/* case-independent ASCII character equality comparison */
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#define CIEQ(c1, c2) ( ((c1)&~040) == ((c2)&~040) )
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/* syntax for passthrough SA */
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#ifndef PASSTHROUGHNAME
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#define PASSTHROUGHNAME "%passthrough"
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#define PASSTHROUGH4NAME "%passthrough4"
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#define PASSTHROUGH6NAME "%passthrough6"
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#define PASSTHROUGHIS "tun0@0.0.0.0"
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#define PASSTHROUGH4IS "tun0@0.0.0.0"
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#define PASSTHROUGH6IS "tun0@::"
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#define PASSTHROUGHTYPE "tun"
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#define PASSTHROUGHSPI 0
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#define PASSTHROUGHDST 0
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#endif
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/*
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* Headers, greatly complicated by stupid and unnecessary inconsistencies
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* between the user environment and the kernel environment. These are done
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* here so that this mess need exist in only one place.
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*
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* It may seem like a -I or two could avoid most of this, but on closer
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* inspection it is not quite that easy.
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*/
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/* things that need to come from one place or the other, depending */
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/socket.h>
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#include <linux/in.h>
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#include <linux/string.h>
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#include <linux/ctype.h>
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#define assert(foo) /* nothing */
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#else
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <ctype.h>
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#include <assert.h>
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#endif
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/* things that exist only in userland */
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#ifndef __KERNEL__
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/* You'd think this would be okay in the kernel too -- it's just a */
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/* bunch of constants -- but no, in RH5.1 it screws up other things. */
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/* (Credit: Mike Warfield tracked this problem down. Thanks Mike!) */
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/* Fortunately, we don't need it in the kernel subset of the library. */
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#include <limits.h>
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/* header files for things that should never be called in kernel */
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#include <netdb.h>
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/* memory allocation, currently user-only, macro-ized just in case */
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#include <stdlib.h>
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#define MALLOC(n) malloc(n)
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#define FREE(p) free(p)
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#endif /* __KERNEL__ */
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