NetBSD/usr.bin/quota/quotautil.c

121 lines
3.6 KiB
C

/* $NetBSD: quotautil.c,v 1.6 2012/01/30 06:14:43 dholland Exp $ */
/*
* Copyright (c) 1980, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Robert Elz at The University of Melbourne.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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
__COPYRIGHT("@(#) Copyright (c) 1980, 1990, 1993\
The Regents of the University of California. All rights reserved.");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)quota.c 8.4 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: quotautil.c,v 1.6 2012/01/30 06:14:43 dholland Exp $");
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/types.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <fstab.h>
#include <errno.h>
#include <limits.h>
#include <inttypes.h>
#include <ufs/ufs/quota1.h>
#include "quotautil.h"
const char *qfextension[] = INITQFNAMES;
const char *qfname = QUOTAFILENAME;
/*
* Check to see if a particular quota is to be enabled.
*/
int
hasquota(char *buf, size_t len, struct fstab *fs, int type)
{
char *opt;
char *cp = NULL;
static char initname, usrname[100], grpname[100];
char optbuf[256];
if (!initname) {
(void)snprintf(usrname, sizeof(usrname), "%s%s",
qfextension[USRQUOTA], qfname);
(void)snprintf(grpname, sizeof(grpname), "%s%s",
qfextension[GRPQUOTA], qfname);
initname = 1;
}
strlcpy(optbuf, fs->fs_mntops, sizeof(optbuf));
for (opt = strtok(optbuf, ","); opt; opt = strtok(NULL, ",")) {
if ((cp = strchr(opt, '=')) != NULL)
*cp++ = '\0';
if (type == USRQUOTA && strcmp(opt, usrname) == 0)
break;
if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
break;
}
if (!opt)
return 0;
if (cp) {
strlcpy(buf, cp, len);
return 1;
}
(void)snprintf(buf, len, "%s/%s.%s", fs->fs_file, qfname,
qfextension[type]);
return 1;
}
/*
* Check to see if target appears in list of size cnt.
*/
int
oneof(const char *target, char *list[], int cnt)
{
int i;
for (i = 0; i < cnt; i++)
if (strcmp(target, list[i]) == 0)
return i;
return -1;
}