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/* Copyright (c) 1997-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rpcsvc/nis.h>
#include <shlib-compat.h>
#include "nis_xdr.h"
typedef bool_t (*iofct_t) (XDR *, void *);
typedef void (*freefct_t) (void *);
static void *
read_nis_obj (const char *name, iofct_t readfct, freefct_t freefct,
size_t objsize)
{
FILE *in = fopen (name, "rce");
if (in == NULL)
return NULL;
void *obj = calloc (1, objsize);
if (obj != NULL)
{
XDR xdrs;
xdrstdio_create (&xdrs, in, XDR_DECODE);
bool_t status = readfct (&xdrs, obj);
xdr_destroy (&xdrs);
if (!status)
{
freefct (obj);
obj = NULL;
}
}
fclose (in);
return obj;
}
static bool_t
write_nis_obj (const char *name, const void *obj, iofct_t writefct)
{
FILE *out = fopen (name, "wce");
if (out == NULL)
return FALSE;
XDR xdrs;
xdrstdio_create (&xdrs, out, XDR_ENCODE);
bool_t status = writefct (&xdrs, (void *) obj);
xdr_destroy (&xdrs);
fclose (out);
return status;
}
static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
directory_obj *
readColdStartFile (void)
{
return read_nis_obj (cold_start_file, (iofct_t) _xdr_directory_obj,
(freefct_t) nis_free_directory, sizeof (directory_obj));
}
libnsl_hidden_nolink_def (readColdStartFile, GLIBC_2_1)
bool_t
writeColdStartFile (const directory_obj *obj)
{
return write_nis_obj (cold_start_file, obj, (iofct_t) _xdr_directory_obj);
}
libnsl_hidden_nolink_def (writeColdStartFile, GLIBC_2_1)
nis_object *
nis_read_obj (const char *name)
{
return read_nis_obj (name, (iofct_t) _xdr_nis_object,
(freefct_t) nis_free_object, sizeof (nis_object));
}
libnsl_hidden_nolink_def (nis_read_obj, GLIBC_2_1)
bool_t
nis_write_obj (const char *name, const nis_object *obj)
{
return write_nis_obj (name, obj, (iofct_t) _xdr_nis_object);
}
libnsl_hidden_nolink_def (nis_write_obj, GLIBC_2_1)
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