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/* $NetBSD: fattr.c,v 1.10 2009/06/19 12:55:45 stacktic Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: fattr.c,v 1.10 2009/06/19 12:55:45 stacktic Exp $");
#endif /* not lint */
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <err.h>
#include <grp.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mountprog.h"
int
a_num(const char *s, const char *id_type)
{
int id;
char *ep;
id = strtol(s, &ep, 0);
if (*ep || s == ep || id < 0)
errx(1, "unknown %s id: %s", id_type, s);
return id;
}
gid_t
a_gid(const char *s)
{
struct group *gr;
if ((gr = getgrnam(s)) != NULL)
return gr->gr_gid;
return a_num(s, "group");
}
uid_t
a_uid(const char *s)
{
struct passwd *pw;
if ((pw = getpwnam(s)) != NULL)
return pw->pw_uid;
return a_num(s, "user");
}
mode_t
a_mask(const char *s)
{
int rv;
char *ep;
rv = strtol(s, &ep, 8);
if (s == ep || *ep || rv < 0)
errx(1, "invalid file mode: %s", s);
return rv;
}
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