contrib/tcpdump/nfsfh.h

   1 /*
   2  * Copyright (c) 1993, 1994 Jeffrey C. Mogul, Digital Equipment Corporation,
   3  * Western Research Laboratory. All rights reserved.
   4  * Copyright (c) 2001 Compaq Computer Corporation. All rights reserved.
   5  *
   6  *  Permission to use, copy, and modify this software and its
   7  *  documentation is hereby granted only under the following terms and
   8  *  conditions.  Both the above copyright notice and this permission
   9  *  notice must appear in all copies of the software, derivative works
  10  *  or modified versions, and any portions thereof, and both notices
  11  *  must appear in supporting documentation.
  12  *
  13  *  Redistribution and use in source and binary forms, with or without
  14  *  modification, are permitted provided that the following conditions
  15  *  are met:
  16  *    1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  *    2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in
  20  *    the documentation and/or other materials provided with the
  21  *    distribution.
  22  *
  23  *  THE SOFTWARE IS PROVIDED "AS IS" AND COMPAQ COMPUTER CORPORATION
  24  *  DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  25  *  ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.   IN NO
  26  *  EVENT SHALL COMPAQ COMPUTER CORPORATION BE LIABLE FOR ANY
  27  *  SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  28  *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
  29  *  AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  30  *  OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  31  *  SOFTWARE.
  32  */
  33
  34 /*
  35  * nfsfh.h - NFS file handle definitions (for portable use)
  36  *
  37  * Jeffrey C. Mogul
  38  * Digital Equipment Corporation
  39  * Western Research Laboratory
  40  */
  41
  42 /*
  43  * Internal representation of dev_t, because different NFS servers
  44  * that we might be spying upon use different external representations.
  45  */
  46 typedef struct {
  47         uint32_t Minor; /* upper case to avoid clashing with macro names */
  48         uint32_t Major;
  49 } my_devt;
  50
  51 #define dev_eq(a,b)     ((a.Minor == b.Minor) && (a.Major == b.Major))
  52
  53 /*
  54  * Many file servers now use a large file system ID.  This is
  55  * our internal representation of that.
  56  */
  57 typedef struct {
  58         my_devt Fsid_dev;               /* XXX avoid name conflict with AIX */
  59         char Opaque_Handle[2 * 32 + 1];
  60         uint32_t fsid_code;
  61 } my_fsid;
  62
  63 #define fsid_eq(a,b)    ((a.fsid_code == b.fsid_code) &&\
  64                          dev_eq(a.Fsid_dev, b.Fsid_dev))
  65
  66 extern void Parse_fh(const unsigned char *, u_int, my_fsid *, uint32_t *, const char **, const char **, int);