90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* $NetBSD: fattr.c,v 1.9 2008/08/05 20:57:45 pooka 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 1.9 2008/08/05 20:57:45 pooka 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(optarg, &ep, 8);
|
|
if (s == ep || *ep || rv < 0)
|
|
errx(1, "invalid file mode: %s", s);
|
|
return rv;
|
|
}
|