root/usr/src/cmd/lp/lib/access/dumpaccess.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */

#include "stdio.h"
#include "errno.h"
#include "stdlib.h"

#include "lp.h"
#include "access.h"

#if     defined(__STDC__)
static int              _dumpaccess ( char * , char ** );
#else
static int              _dumpaccess();
#endif

/**
 ** dumpaccess() - DUMP ALLOW OR DENY LISTS
 **/

int
dumpaccess(char *dir, char *name, char *prefix, char ***pallow, char ***pdeny)
{
        register char           *allow_file     = 0,
                                *deny_file      = 0;

        int                     ret;

        if (
                !(allow_file = getaccessfile(dir, name, prefix, "allow"))
             || _dumpaccess(allow_file, *pallow) == -1 && errno != ENOENT
             || !(deny_file = getaccessfile(dir, name, prefix, "deny"))
             || _dumpaccess(deny_file, *pdeny) == -1 && errno != ENOENT
        )
                ret = -1;
        else
                ret = 0;

        if (allow_file)
                Free (allow_file);
        if (deny_file)
                Free (deny_file);

        return (ret);
}

/**
 ** _dumpaccess() - DUMP ALLOW OR DENY FILE
 **/

static int
_dumpaccess(char *file, char **list)
{
        register char           **pl;

        register int            ret;

        int fd;

        if (list) {
                if ((fd = open_locked(file, "w", MODE_READ)) < 0)
                        return (-1);
                errno = 0;
                for (pl = list; *pl; pl++)
                        fdprintf (fd, "%s\n", *pl);
                if (errno != 0)
                        ret = -1;
                else
                        ret = 0;
                close(fd);
        } else
                ret = Unlink(file);

        return (ret);
}