a62dc40654
The version 2 support has been tested (client+server) against FreeBSD-2.0, IRIX 5.3 and FreeBSD-current (using a loopback mount). The version 2 support is stable AFAIK. The version 3 support has been tested with a loopback mount and minimally against an IRIX 5.3 server. It needs more testing and may have problems. I have patched amd to support the new variable length filehandles although it will still only use version 2 of the protocol. Before booting a kernel with these changes, nfs clients will need to at least build and install /usr/sbin/mount_nfs. Servers will need to build and install /usr/sbin/mountd. NFS diskless support is untested. Obtained from: Rick Macklem <rick@snowhite.cis.uoguelph.ca>
91 lines
3.7 KiB
C
91 lines
3.7 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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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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* 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT 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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* @(#)xdr_subs.h 8.1 (Berkeley) 6/10/93
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* $Id: xdr_subs.h,v 1.4 1995/01/10 13:11:42 davidg Exp $
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*/
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#ifndef _NFS_XDR_SUBS_H_
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#define _NFS_XDR_SUBS_H_
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/*
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* Macros used for conversion to/from xdr representation by nfs...
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* These use the MACHINE DEPENDENT routines ntohl, htonl
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* As defined by "XDR: External Data Representation Standard" RFC1014
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*
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* To simplify the implementation, we use ntohl/htonl even on big-endian
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* machines, and count on them being `#define'd away. Some of these
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* might be slightly more efficient as quad_t copies on a big-endian,
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* but we cannot count on their alignment anyway.
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*/
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#define fxdr_unsigned(t, v) ((t)ntohl((long)(v)))
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#define txdr_unsigned(v) (htonl((long)(v)))
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#define fxdr_nfsv2time(f, t) { \
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(t)->ts_sec = ntohl(((struct nfsv2_time *)(f))->nfsv2_sec); \
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if (((struct nfsv2_time *)(f))->nfsv2_usec != 0xffffffff) \
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(t)->ts_nsec = 1000 * ntohl(((struct nfsv2_time *)(f))->nfsv2_usec); \
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else \
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(t)->ts_nsec = 0; \
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}
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#define txdr_nfsv2time(f, t) { \
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((struct nfsv2_time *)(t))->nfsv2_sec = htonl((f)->ts_sec); \
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if ((f)->ts_nsec != -1) \
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((struct nfsv2_time *)(t))->nfsv2_usec = htonl((f)->ts_nsec / 1000); \
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else \
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((struct nfsv2_time *)(t))->nfsv2_usec = 0xffffffff; \
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}
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#define fxdr_nfsv3time(f, t) { \
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(t)->ts_sec = ntohl(((struct nfsv3_time *)(f))->nfsv3_sec); \
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(t)->ts_nsec = ntohl(((struct nfsv3_time *)(f))->nfsv3_nsec); \
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}
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#define txdr_nfsv3time(f, t) { \
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((struct nfsv3_time *)(t))->nfsv3_sec = htonl((f)->ts_sec); \
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((struct nfsv3_time *)(t))->nfsv3_nsec = htonl((f)->ts_nsec); \
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}
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#define fxdr_hyper(f, t) { \
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((long *)(t))[_QUAD_HIGHWORD] = ntohl(((long *)(f))[0]); \
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((long *)(t))[_QUAD_LOWWORD] = ntohl(((long *)(f))[1]); \
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}
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#define txdr_hyper(f, t) { \
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((long *)(t))[0] = htonl(((long *)(f))[_QUAD_HIGHWORD]); \
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((long *)(t))[1] = htonl(((long *)(f))[_QUAD_LOWWORD]); \
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}
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#endif
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