nis/nis_file.c

   1 /* Copyright (c) 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <rpcsvc/nis.h>
  24
  25 static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
  26
  27 directory_obj *
  28 readColdStartFile (void)
  29 {
  30   XDR xdrs;
  31   FILE *in;
  32   directory_obj obj;
  33
  34   in = fopen (cold_start_file, "rb");
  35   if (in == NULL)
  36     return NULL;
  37   memset (&obj, '\0', sizeof (obj));
  38   xdrstdio_create (&xdrs, in, XDR_DECODE);
  39   if (!xdr_directory_obj (&xdrs, &obj))
  40     return NULL;
  41
  42   return nis_clone_directory (&obj, NULL);
  43 }
  44
  45 bool_t
  46 writeColdStartFile (const directory_obj *obj)
  47 {
  48   XDR xdrs;
  49   FILE *out;
  50
  51   out = fopen (cold_start_file, "wb");
  52   if (out == NULL)
  53     return FALSE;
  54
  55   xdrstdio_create (&xdrs, out, XDR_ENCODE);
  56   if (!xdr_directory_obj (&xdrs, (directory_obj *) obj))
  57     return FALSE;
  58
  59   return TRUE;
  60 }
  61
  62 nis_object *
  63 nis_read_obj (const char *name)
  64 {
  65   XDR xdrs;
  66   FILE *in;
  67   nis_object obj;
  68
  69   in = fopen (name, "rb");
  70   if (in == NULL)
  71     return NULL;
  72
  73   memset (&obj, '\0', sizeof (obj));
  74   xdrstdio_create (&xdrs, in, XDR_DECODE);
  75   if (!xdr_nis_object (&xdrs, &obj))
  76     return NULL;
  77
  78   return nis_clone_object (&obj, NULL);
  79 }
  80
  81 bool_t
  82 nis_write_obj (const char *name, const nis_object *obj)
  83 {
  84   XDR xdrs;
  85   FILE *out;
  86
  87   out = fopen (name, "wb");
  88   if (out == NULL)
  89     return FALSE;
  90
  91   xdrstdio_create (&xdrs, out, XDR_ENCODE);
  92   if (!xdr_nis_object (&xdrs, (nis_object *) obj))
  93     return FALSE;
  94
  95   return TRUE;
  96 }