103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/* Copyright (c) 1997-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <rpcsvc/nis.h>
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#include "nis_xdr.h"
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typedef bool_t (*iofct_t) (XDR *, void *);
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typedef void (*freefct_t) (void *);
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static void *
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read_nis_obj (const char *name, iofct_t readfct, freefct_t freefct,
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size_t objsize)
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{
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FILE *in = fopen (name, "rce");
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if (in == NULL)
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return NULL;
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void *obj = calloc (1, objsize);
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if (obj != NULL)
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{
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XDR xdrs;
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xdrstdio_create (&xdrs, in, XDR_DECODE);
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bool_t status = readfct (&xdrs, obj);
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xdr_destroy (&xdrs);
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if (!status)
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{
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freefct (obj);
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obj = NULL;
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}
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}
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fclose (in);
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return obj;
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}
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static bool_t
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write_nis_obj (const char *name, const void *obj, iofct_t writefct)
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{
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FILE *out = fopen (name, "wce");
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if (out == NULL)
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return FALSE;
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XDR xdrs;
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xdrstdio_create (&xdrs, out, XDR_ENCODE);
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bool_t status = writefct (&xdrs, (void *) obj);
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xdr_destroy (&xdrs);
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fclose (out);
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return status;
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}
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static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
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directory_obj *
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readColdStartFile (void)
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{
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return read_nis_obj (cold_start_file, (iofct_t) _xdr_directory_obj,
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(freefct_t) nis_free_directory, sizeof (directory_obj));
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}
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libnsl_hidden_def (readColdStartFile)
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bool_t
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writeColdStartFile (const directory_obj *obj)
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{
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return write_nis_obj (cold_start_file, obj, (iofct_t) _xdr_directory_obj);
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}
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nis_object *
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nis_read_obj (const char *name)
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{
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return read_nis_obj (name, (iofct_t) _xdr_nis_object,
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(freefct_t) nis_free_object, sizeof (nis_object));
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}
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bool_t
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nis_write_obj (const char *name, const nis_object *obj)
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{
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return write_nis_obj (name, obj, (iofct_t) _xdr_nis_object);
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}
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