nis/nis_file.c

   1 /* Copyright (c) 1997, 1998 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 #include "nis_xdr.h"
  25
  26 static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
  27
  28 directory_obj *
  29 readColdStartFile (void)
  30 {
  31   XDR xdrs;
  32   FILE *in;
  33   directory_obj obj;
  34
  35   in = fopen (cold_start_file, "rb");
  36   if (in == NULL)
  37     return NULL;
  38   memset (&obj, '\0', sizeof (obj));
  39   xdrstdio_create (&xdrs, in, XDR_DECODE);
  40   if (!_xdr_directory_obj (&xdrs, &obj))
  41     return NULL;
  42
  43   return nis_clone_directory (&obj, NULL);
  44 }
  45
  46 bool_t
  47 writeColdStartFile (const directory_obj *obj)
  48 {
  49   XDR xdrs;
  50   FILE *out;
  51
  52   out = fopen (cold_start_file, "wb");
  53   if (out == NULL)
  54     return FALSE;
  55
  56   xdrstdio_create (&xdrs, out, XDR_ENCODE);
  57   if (!_xdr_directory_obj (&xdrs, (directory_obj *) obj))
  58     return FALSE;
  59
  60   return TRUE;
  61 }
  62
  63 nis_object *
  64 nis_read_obj (const char *name)
  65 {
  66   XDR xdrs;
  67   FILE *in;
  68   nis_object obj;
  69
  70   in = fopen (name, "rb");
  71   if (in == NULL)
  72     return NULL;
  73
  74   memset (&obj, '\0', sizeof (obj));
  75   xdrstdio_create (&xdrs, in, XDR_DECODE);
  76   if (!_xdr_nis_object (&xdrs, &obj))
  77     return NULL;
  78
  79   return nis_clone_object (&obj, NULL);
  80 }
  81
  82 bool_t
  83 nis_write_obj (const char *name, const nis_object *obj)
  84 {
  85   XDR xdrs;
  86   FILE *out;
  87
  88   out = fopen (name, "wb");
  89   if (out == NULL)
  90     return FALSE;
  91
  92   xdrstdio_create (&xdrs, out, XDR_ENCODE);
  93   if (!_xdr_nis_object (&xdrs, (nis_object *) obj))
  94     return FALSE;
  95
  96   return TRUE;
  97 }