current version of FreeBSD, this isn't guarenteed by the API. Custom security modules, or future implementations of the setuid and setgid may fail. Submitted by: Erik Cederstrand Approved by: cperciva MFC after: 3 days
962 lines
23 KiB
C
962 lines
23 KiB
C
/*
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* Copyright (c) 1980, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Robert Elz at The University of Melbourne.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1980, 1990, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)edquota.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Disk quota editor.
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*/
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/file.h>
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#include <sys/mount.h>
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#include <sys/wait.h>
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#include <ufs/ufs/quota.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <fstab.h>
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#include <grp.h>
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#include <inttypes.h>
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#include <libutil.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "pathnames.h"
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/* Let's be paranoid about block size */
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#if 10 > DEV_BSHIFT
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#define dbtokb(db) \
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((off_t)(db) >> (10-DEV_BSHIFT))
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#elif 10 < DEV_BSHIFT
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#define dbtokb(db) \
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((off_t)(db) << (DEV_BSHIFT-10))
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#else
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#define dbtokb(db) (db)
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#endif
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const char *qfextension[] = INITQFNAMES;
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char tmpfil[] = _PATH_TMP;
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int hflag;
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struct quotause {
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struct quotause *next;
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struct quotafile *qf;
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struct dqblk dqblk;
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int flags;
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char fsname[MAXPATHLEN + 1];
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};
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#define FOUND 0x01
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int alldigits(const char *s);
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int cvtatos(uint64_t, char *, uint64_t *);
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char *cvtstoa(uint64_t);
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uint64_t cvtblkval(uint64_t, char, const char *);
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uint64_t cvtinoval(uint64_t, char, const char *);
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int editit(char *);
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char *fmthumanvalblks(int64_t);
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char *fmthumanvalinos(int64_t);
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void freeprivs(struct quotause *);
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int getentry(const char *, int);
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struct quotause *getprivs(long, int, char *);
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void putprivs(long, struct quotause *);
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int readprivs(struct quotause *, char *);
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int readtimes(struct quotause *, char *);
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static void usage(void);
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int writetimes(struct quotause *, int, int);
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int writeprivs(struct quotause *, int, char *, int);
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int
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main(int argc, char *argv[])
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{
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struct quotause *qup, *protoprivs, *curprivs;
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long id, protoid;
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int i, quotatype, range, tmpfd;
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uid_t startuid, enduid;
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uint64_t lim;
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char *protoname, *cp, *endpt, *oldoptarg;
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int eflag = 0, tflag = 0, pflag = 0, ch;
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char *fspath = NULL;
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char buf[MAXLOGNAME];
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if (argc < 2)
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usage();
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if (getuid())
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errx(1, "permission denied");
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quotatype = USRQUOTA;
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protoprivs = NULL;
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curprivs = NULL;
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protoname = NULL;
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while ((ch = getopt(argc, argv, "ughtf:p:e:")) != -1) {
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switch(ch) {
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case 'f':
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fspath = optarg;
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break;
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case 'p':
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if (eflag) {
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warnx("cannot specify both -e and -p");
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usage();
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/* not reached */
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}
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protoname = optarg;
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pflag++;
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break;
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case 'g':
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quotatype = GRPQUOTA;
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break;
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case 'h':
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hflag++;
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break;
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case 'u':
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quotatype = USRQUOTA;
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break;
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case 't':
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tflag++;
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break;
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case 'e':
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if (pflag) {
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warnx("cannot specify both -e and -p");
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usage();
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/* not reached */
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}
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if ((qup = calloc(1, sizeof(*qup))) == NULL)
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errx(2, "out of memory");
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oldoptarg = optarg;
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for (i = 0, cp = optarg;
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(cp = strsep(&optarg, ":")) != NULL; i++) {
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if (cp != oldoptarg)
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*(cp - 1) = ':';
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if (i > 0 && !isdigit(*cp)) {
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warnx("incorrect quota specification: "
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"%s", oldoptarg);
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usage();
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/* Not Reached */
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}
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switch (i) {
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case 0:
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strlcpy(qup->fsname, cp,
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sizeof(qup->fsname));
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break;
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case 1:
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lim = strtoll(cp, &endpt, 10);
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qup->dqblk.dqb_bsoftlimit =
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cvtblkval(lim, *endpt,
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"block soft limit");
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continue;
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case 2:
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lim = strtoll(cp, &endpt, 10);
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qup->dqblk.dqb_bhardlimit =
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cvtblkval(lim, *endpt,
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"block hard limit");
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continue;
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case 3:
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lim = strtoll(cp, &endpt, 10);
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qup->dqblk.dqb_isoftlimit =
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cvtinoval(lim, *endpt,
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"inode soft limit");
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continue;
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case 4:
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lim = strtoll(cp, &endpt, 10);
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qup->dqblk.dqb_ihardlimit =
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cvtinoval(lim, *endpt,
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"inode hard limit");
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continue;
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default:
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warnx("incorrect quota specification: "
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"%s", oldoptarg);
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usage();
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/* Not Reached */
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}
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}
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if (protoprivs == NULL) {
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protoprivs = curprivs = qup;
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} else {
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curprivs->next = qup;
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curprivs = qup;
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}
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eflag++;
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break;
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default:
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usage();
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/* Not Reached */
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}
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}
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argc -= optind;
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argv += optind;
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if (pflag || eflag) {
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if (pflag) {
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if ((protoid = getentry(protoname, quotatype)) == -1)
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exit(1);
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protoprivs = getprivs(protoid, quotatype, fspath);
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if (protoprivs == NULL)
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exit(0);
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for (qup = protoprivs; qup; qup = qup->next) {
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qup->dqblk.dqb_btime = 0;
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qup->dqblk.dqb_itime = 0;
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}
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}
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for (; argc-- > 0; argv++) {
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if (strspn(*argv, "0123456789-") == strlen(*argv) &&
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(cp = strchr(*argv, '-')) != NULL) {
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*cp++ = '\0';
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startuid = atoi(*argv);
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enduid = atoi(cp);
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if (enduid < startuid)
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errx(1,
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"ending uid (%d) must be >= starting uid (%d) when using uid ranges",
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enduid, startuid);
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range = 1;
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} else {
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startuid = enduid = 0;
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range = 0;
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}
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for ( ; startuid <= enduid; startuid++) {
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if (range)
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snprintf(buf, sizeof(buf), "%d",
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startuid);
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else
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snprintf(buf, sizeof(buf), "%s",
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*argv);
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if ((id = getentry(buf, quotatype)) < 0)
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continue;
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if (pflag) {
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putprivs(id, protoprivs);
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continue;
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}
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for (qup = protoprivs; qup; qup = qup->next) {
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curprivs = getprivs(id, quotatype,
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qup->fsname);
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if (curprivs == NULL)
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continue;
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curprivs->dqblk = qup->dqblk;
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putprivs(id, curprivs);
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freeprivs(curprivs);
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}
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}
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}
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if (pflag)
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freeprivs(protoprivs);
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exit(0);
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}
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tmpfd = mkstemp(tmpfil);
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fchown(tmpfd, getuid(), getgid());
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if (tflag) {
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if ((protoprivs = getprivs(0, quotatype, fspath)) != NULL) {
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if (writetimes(protoprivs, tmpfd, quotatype) != 0 &&
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editit(tmpfil) && readtimes(protoprivs, tmpfil))
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putprivs(0L, protoprivs);
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freeprivs(protoprivs);
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}
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close(tmpfd);
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unlink(tmpfil);
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exit(0);
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}
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for ( ; argc > 0; argc--, argv++) {
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if ((id = getentry(*argv, quotatype)) == -1)
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continue;
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if ((curprivs = getprivs(id, quotatype, fspath)) == NULL)
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exit(1);
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if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0)
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continue;
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if (editit(tmpfil) && readprivs(curprivs, tmpfil))
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putprivs(id, curprivs);
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freeprivs(curprivs);
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}
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close(tmpfd);
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unlink(tmpfil);
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exit(0);
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}
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static void
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usage(void)
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{
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fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
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"usage: edquota [-uh] [-f fspath] [-p username] username ...",
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" edquota [-u] -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]",
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" username ...",
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" edquota -g [-h] [-f fspath] [-p groupname] groupname ...",
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" edquota -g -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]",
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" groupname ...",
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" edquota [-u] -t [-f fspath]",
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" edquota -g -t [-f fspath]");
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exit(1);
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}
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/*
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* This routine converts a name for a particular quota type to
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* an identifier. This routine must agree with the kernel routine
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* getinoquota as to the interpretation of quota types.
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*/
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int
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getentry(const char *name, int quotatype)
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{
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struct passwd *pw;
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struct group *gr;
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if (alldigits(name))
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return (atoi(name));
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switch(quotatype) {
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case USRQUOTA:
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if ((pw = getpwnam(name)))
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return (pw->pw_uid);
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warnx("%s: no such user", name);
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sleep(3);
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break;
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case GRPQUOTA:
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if ((gr = getgrnam(name)))
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return (gr->gr_gid);
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warnx("%s: no such group", name);
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sleep(3);
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break;
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default:
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warnx("%d: unknown quota type", quotatype);
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sleep(3);
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break;
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}
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sleep(1);
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return (-1);
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}
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|
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/*
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* Collect the requested quota information.
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*/
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struct quotause *
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getprivs(long id, int quotatype, char *fspath)
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{
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struct quotafile *qf;
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struct fstab *fs;
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struct quotause *qup, *quptail;
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struct quotause *quphead;
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setfsent();
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quphead = quptail = NULL;
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while ((fs = getfsent())) {
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if (fspath && *fspath && strcmp(fspath, fs->fs_spec) &&
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strcmp(fspath, fs->fs_file))
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continue;
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if (strcmp(fs->fs_vfstype, "ufs"))
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continue;
|
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if ((qf = quota_open(fs, quotatype, O_CREAT|O_RDWR)) == NULL) {
|
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if (errno != EOPNOTSUPP)
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warn("cannot open quotas on %s", fs->fs_file);
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continue;
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}
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if ((qup = (struct quotause *)calloc(1, sizeof(*qup))) == NULL)
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errx(2, "out of memory");
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qup->qf = qf;
|
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strncpy(qup->fsname, fs->fs_file, sizeof(qup->fsname));
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if (quota_read(qf, &qup->dqblk, id) == -1) {
|
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warn("cannot read quotas on %s", fs->fs_file);
|
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freeprivs(qup);
|
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continue;
|
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}
|
|
if (quphead == NULL)
|
|
quphead = qup;
|
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else
|
|
quptail->next = qup;
|
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quptail = qup;
|
|
qup->next = 0;
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}
|
|
if (quphead == NULL) {
|
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warnx("No quotas on %s", fspath ? fspath : "any filesystems");
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}
|
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endfsent();
|
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return (quphead);
|
|
}
|
|
|
|
/*
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* Store the requested quota information.
|
|
*/
|
|
void
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putprivs(long id, struct quotause *quplist)
|
|
{
|
|
struct quotause *qup;
|
|
|
|
for (qup = quplist; qup; qup = qup->next)
|
|
if (quota_write_limits(qup->qf, &qup->dqblk, id) == -1)
|
|
warn("%s", qup->fsname);
|
|
}
|
|
|
|
/*
|
|
* Take a list of privileges and get it edited.
|
|
*/
|
|
int
|
|
editit(char *tmpf)
|
|
{
|
|
long omask;
|
|
int pid, status;
|
|
|
|
omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
|
|
top:
|
|
if ((pid = fork()) < 0) {
|
|
|
|
if (errno == EPROCLIM) {
|
|
warnx("you have too many processes");
|
|
return(0);
|
|
}
|
|
if (errno == EAGAIN) {
|
|
sleep(1);
|
|
goto top;
|
|
}
|
|
warn("fork");
|
|
return (0);
|
|
}
|
|
if (pid == 0) {
|
|
const char *ed;
|
|
|
|
sigsetmask(omask);
|
|
if (setgid(getgid()) != 0)
|
|
err(1, "setgid failed");
|
|
if (setuid(getuid()) != 0)
|
|
err(1, "setuid failed");
|
|
if ((ed = getenv("EDITOR")) == (char *)0)
|
|
ed = _PATH_VI;
|
|
execlp(ed, ed, tmpf, (char *)0);
|
|
err(1, "%s", ed);
|
|
}
|
|
waitpid(pid, &status, 0);
|
|
sigsetmask(omask);
|
|
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
|
|
return (0);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Convert a quotause list to an ASCII file.
|
|
*/
|
|
int
|
|
writeprivs(struct quotause *quplist, int outfd, char *name, int quotatype)
|
|
{
|
|
struct quotause *qup;
|
|
FILE *fd;
|
|
|
|
ftruncate(outfd, 0);
|
|
lseek(outfd, 0, L_SET);
|
|
if ((fd = fdopen(dup(outfd), "w")) == NULL)
|
|
err(1, "%s", tmpfil);
|
|
fprintf(fd, "Quotas for %s %s:\n", qfextension[quotatype], name);
|
|
for (qup = quplist; qup; qup = qup->next) {
|
|
fprintf(fd, "%s: in use: %s, ", qup->fsname,
|
|
fmthumanvalblks(qup->dqblk.dqb_curblocks));
|
|
fprintf(fd, "limits (soft = %s, ",
|
|
fmthumanvalblks(qup->dqblk.dqb_bsoftlimit));
|
|
fprintf(fd, "hard = %s)\n",
|
|
fmthumanvalblks(qup->dqblk.dqb_bhardlimit));
|
|
fprintf(fd, "\tinodes in use: %s, ",
|
|
fmthumanvalinos(qup->dqblk.dqb_curinodes));
|
|
fprintf(fd, "limits (soft = %s, ",
|
|
fmthumanvalinos(qup->dqblk.dqb_isoftlimit));
|
|
fprintf(fd, "hard = %s)\n",
|
|
fmthumanvalinos(qup->dqblk.dqb_ihardlimit));
|
|
}
|
|
fclose(fd);
|
|
return (1);
|
|
}
|
|
|
|
char *
|
|
fmthumanvalblks(int64_t blocks)
|
|
{
|
|
static char numbuf[20];
|
|
|
|
if (hflag) {
|
|
humanize_number(numbuf, blocks < 0 ? 7 : 6,
|
|
dbtob(blocks), "", HN_AUTOSCALE, HN_NOSPACE);
|
|
return (numbuf);
|
|
}
|
|
snprintf(numbuf, sizeof(numbuf), "%juk", (uintmax_t)dbtokb(blocks));
|
|
return(numbuf);
|
|
}
|
|
|
|
char *
|
|
fmthumanvalinos(int64_t inos)
|
|
{
|
|
static char numbuf[20];
|
|
|
|
if (hflag) {
|
|
humanize_number(numbuf, inos < 0 ? 7 : 6,
|
|
inos, "", HN_AUTOSCALE, HN_NOSPACE | HN_DIVISOR_1000);
|
|
return (numbuf);
|
|
}
|
|
snprintf(numbuf, sizeof(numbuf), "%ju", (uintmax_t)inos);
|
|
return(numbuf);
|
|
}
|
|
|
|
/*
|
|
* Merge changes to an ASCII file into a quotause list.
|
|
*/
|
|
int
|
|
readprivs(struct quotause *quplist, char *inname)
|
|
{
|
|
struct quotause *qup;
|
|
FILE *fd;
|
|
uintmax_t hardlimit, softlimit, curitems;
|
|
char hardunits, softunits, curitemunits;
|
|
int cnt;
|
|
char *cp;
|
|
struct dqblk dqblk;
|
|
char *fsp, line1[BUFSIZ], line2[BUFSIZ];
|
|
|
|
fd = fopen(inname, "r");
|
|
if (fd == NULL) {
|
|
warnx("can't re-read temp file!!");
|
|
return (0);
|
|
}
|
|
/*
|
|
* Discard title line, then read pairs of lines to process.
|
|
*/
|
|
(void) fgets(line1, sizeof (line1), fd);
|
|
while (fgets(line1, sizeof (line1), fd) != NULL &&
|
|
fgets(line2, sizeof (line2), fd) != NULL) {
|
|
if ((fsp = strtok(line1, " \t:")) == NULL) {
|
|
warnx("%s: bad format", line1);
|
|
return (0);
|
|
}
|
|
if ((cp = strtok((char *)0, "\n")) == NULL) {
|
|
warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]);
|
|
return (0);
|
|
}
|
|
cnt = sscanf(cp,
|
|
" in use: %ju%c, limits (soft = %ju%c, hard = %ju%c)",
|
|
&curitems, &curitemunits, &softlimit, &softunits,
|
|
&hardlimit, &hardunits);
|
|
/*
|
|
* The next three check for old-style input formats.
|
|
*/
|
|
if (cnt != 6)
|
|
cnt = sscanf(cp,
|
|
" in use: %ju%c, limits (soft = %ju%c hard = %ju%c",
|
|
&curitems, &curitemunits, &softlimit,
|
|
&softunits, &hardlimit, &hardunits);
|
|
if (cnt != 6)
|
|
cnt = sscanf(cp,
|
|
" in use: %ju%c, limits (soft = %ju%c hard = %ju%c)",
|
|
&curitems, &curitemunits, &softlimit,
|
|
&softunits, &hardlimit, &hardunits);
|
|
if (cnt != 6)
|
|
cnt = sscanf(cp,
|
|
" in use: %ju%c, limits (soft = %ju%c, hard = %ju%c",
|
|
&curitems, &curitemunits, &softlimit,
|
|
&softunits, &hardlimit, &hardunits);
|
|
if (cnt != 6) {
|
|
warnx("%s:%s: bad format", fsp, cp);
|
|
return (0);
|
|
}
|
|
dqblk.dqb_curblocks = cvtblkval(curitems, curitemunits,
|
|
"current block count");
|
|
dqblk.dqb_bsoftlimit = cvtblkval(softlimit, softunits,
|
|
"block soft limit");
|
|
dqblk.dqb_bhardlimit = cvtblkval(hardlimit, hardunits,
|
|
"block hard limit");
|
|
if ((cp = strtok(line2, "\n")) == NULL) {
|
|
warnx("%s: %s: bad format", fsp, line2);
|
|
return (0);
|
|
}
|
|
cnt = sscanf(&cp[7],
|
|
" in use: %ju%c limits (soft = %ju%c, hard = %ju%c)",
|
|
&curitems, &curitemunits, &softlimit,
|
|
&softunits, &hardlimit, &hardunits);
|
|
/*
|
|
* The next three check for old-style input formats.
|
|
*/
|
|
if (cnt != 6)
|
|
cnt = sscanf(&cp[7],
|
|
" in use: %ju%c limits (soft = %ju%c hard = %ju%c",
|
|
&curitems, &curitemunits, &softlimit,
|
|
&softunits, &hardlimit, &hardunits);
|
|
if (cnt != 6)
|
|
cnt = sscanf(&cp[7],
|
|
" in use: %ju%c limits (soft = %ju%c hard = %ju%c)",
|
|
&curitems, &curitemunits, &softlimit,
|
|
&softunits, &hardlimit, &hardunits);
|
|
if (cnt != 6)
|
|
cnt = sscanf(&cp[7],
|
|
" in use: %ju%c limits (soft = %ju%c, hard = %ju%c",
|
|
&curitems, &curitemunits, &softlimit,
|
|
&softunits, &hardlimit, &hardunits);
|
|
if (cnt != 6) {
|
|
warnx("%s: %s: bad format cnt %d", fsp, &cp[7], cnt);
|
|
return (0);
|
|
}
|
|
dqblk.dqb_curinodes = cvtinoval(curitems, curitemunits,
|
|
"current inode count");
|
|
dqblk.dqb_isoftlimit = cvtinoval(softlimit, softunits,
|
|
"inode soft limit");
|
|
dqblk.dqb_ihardlimit = cvtinoval(hardlimit, hardunits,
|
|
"inode hard limit");
|
|
for (qup = quplist; qup; qup = qup->next) {
|
|
if (strcmp(fsp, qup->fsname))
|
|
continue;
|
|
/*
|
|
* Cause time limit to be reset when the quota
|
|
* is next used if previously had no soft limit
|
|
* or were under it, but now have a soft limit
|
|
* and are over it.
|
|
*/
|
|
if (dqblk.dqb_bsoftlimit &&
|
|
qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit &&
|
|
(qup->dqblk.dqb_bsoftlimit == 0 ||
|
|
qup->dqblk.dqb_curblocks <
|
|
qup->dqblk.dqb_bsoftlimit))
|
|
qup->dqblk.dqb_btime = 0;
|
|
if (dqblk.dqb_isoftlimit &&
|
|
qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit &&
|
|
(qup->dqblk.dqb_isoftlimit == 0 ||
|
|
qup->dqblk.dqb_curinodes <
|
|
qup->dqblk.dqb_isoftlimit))
|
|
qup->dqblk.dqb_itime = 0;
|
|
qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit;
|
|
qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit;
|
|
qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit;
|
|
qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit;
|
|
qup->flags |= FOUND;
|
|
/* Humanized input returns only approximate counts */
|
|
if (hflag ||
|
|
(dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks &&
|
|
dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes))
|
|
break;
|
|
warnx("%s: cannot change current allocation", fsp);
|
|
break;
|
|
}
|
|
}
|
|
fclose(fd);
|
|
/*
|
|
* Disable quotas for any filesystems that have not been found.
|
|
*/
|
|
for (qup = quplist; qup; qup = qup->next) {
|
|
if (qup->flags & FOUND) {
|
|
qup->flags &= ~FOUND;
|
|
continue;
|
|
}
|
|
qup->dqblk.dqb_bsoftlimit = 0;
|
|
qup->dqblk.dqb_bhardlimit = 0;
|
|
qup->dqblk.dqb_isoftlimit = 0;
|
|
qup->dqblk.dqb_ihardlimit = 0;
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Convert a quotause list to an ASCII file of grace times.
|
|
*/
|
|
int
|
|
writetimes(struct quotause *quplist, int outfd, int quotatype)
|
|
{
|
|
struct quotause *qup;
|
|
FILE *fd;
|
|
|
|
ftruncate(outfd, 0);
|
|
lseek(outfd, 0, L_SET);
|
|
if ((fd = fdopen(dup(outfd), "w")) == NULL)
|
|
err(1, "%s", tmpfil);
|
|
fprintf(fd, "Time units may be: days, hours, minutes, or seconds\n");
|
|
fprintf(fd, "Grace period before enforcing soft limits for %ss:\n",
|
|
qfextension[quotatype]);
|
|
for (qup = quplist; qup; qup = qup->next) {
|
|
fprintf(fd, "%s: block grace period: %s, ",
|
|
qup->fsname, cvtstoa(qup->dqblk.dqb_btime));
|
|
fprintf(fd, "file grace period: %s\n",
|
|
cvtstoa(qup->dqblk.dqb_itime));
|
|
}
|
|
fclose(fd);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Merge changes of grace times in an ASCII file into a quotause list.
|
|
*/
|
|
int
|
|
readtimes(struct quotause *quplist, char *inname)
|
|
{
|
|
struct quotause *qup;
|
|
FILE *fd;
|
|
int cnt;
|
|
char *cp;
|
|
uintmax_t itime, btime, iseconds, bseconds;
|
|
char *fsp, bunits[10], iunits[10], line1[BUFSIZ];
|
|
|
|
fd = fopen(inname, "r");
|
|
if (fd == NULL) {
|
|
warnx("can't re-read temp file!!");
|
|
return (0);
|
|
}
|
|
/*
|
|
* Discard two title lines, then read lines to process.
|
|
*/
|
|
(void) fgets(line1, sizeof (line1), fd);
|
|
(void) fgets(line1, sizeof (line1), fd);
|
|
while (fgets(line1, sizeof (line1), fd) != NULL) {
|
|
if ((fsp = strtok(line1, " \t:")) == NULL) {
|
|
warnx("%s: bad format", line1);
|
|
return (0);
|
|
}
|
|
if ((cp = strtok((char *)0, "\n")) == NULL) {
|
|
warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]);
|
|
return (0);
|
|
}
|
|
cnt = sscanf(cp,
|
|
" block grace period: %ju %s file grace period: %ju %s",
|
|
&btime, bunits, &itime, iunits);
|
|
if (cnt != 4) {
|
|
warnx("%s:%s: bad format", fsp, cp);
|
|
return (0);
|
|
}
|
|
if (cvtatos(btime, bunits, &bseconds) == 0)
|
|
return (0);
|
|
if (cvtatos(itime, iunits, &iseconds) == 0)
|
|
return (0);
|
|
for (qup = quplist; qup; qup = qup->next) {
|
|
if (strcmp(fsp, qup->fsname))
|
|
continue;
|
|
qup->dqblk.dqb_btime = bseconds;
|
|
qup->dqblk.dqb_itime = iseconds;
|
|
qup->flags |= FOUND;
|
|
break;
|
|
}
|
|
}
|
|
fclose(fd);
|
|
/*
|
|
* reset default grace periods for any filesystems
|
|
* that have not been found.
|
|
*/
|
|
for (qup = quplist; qup; qup = qup->next) {
|
|
if (qup->flags & FOUND) {
|
|
qup->flags &= ~FOUND;
|
|
continue;
|
|
}
|
|
qup->dqblk.dqb_btime = 0;
|
|
qup->dqblk.dqb_itime = 0;
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Convert seconds to ASCII times.
|
|
*/
|
|
char *
|
|
cvtstoa(uint64_t secs)
|
|
{
|
|
static char buf[20];
|
|
|
|
if (secs % (24 * 60 * 60) == 0) {
|
|
secs /= 24 * 60 * 60;
|
|
sprintf(buf, "%ju day%s", (uintmax_t)secs,
|
|
secs == 1 ? "" : "s");
|
|
} else if (secs % (60 * 60) == 0) {
|
|
secs /= 60 * 60;
|
|
sprintf(buf, "%ju hour%s", (uintmax_t)secs,
|
|
secs == 1 ? "" : "s");
|
|
} else if (secs % 60 == 0) {
|
|
secs /= 60;
|
|
sprintf(buf, "%ju minute%s", (uintmax_t)secs,
|
|
secs == 1 ? "" : "s");
|
|
} else
|
|
sprintf(buf, "%ju second%s", (uintmax_t)secs,
|
|
secs == 1 ? "" : "s");
|
|
return (buf);
|
|
}
|
|
|
|
/*
|
|
* Convert ASCII input times to seconds.
|
|
*/
|
|
int
|
|
cvtatos(uint64_t period, char *units, uint64_t *seconds)
|
|
{
|
|
|
|
if (bcmp(units, "second", 6) == 0)
|
|
*seconds = period;
|
|
else if (bcmp(units, "minute", 6) == 0)
|
|
*seconds = period * 60;
|
|
else if (bcmp(units, "hour", 4) == 0)
|
|
*seconds = period * 60 * 60;
|
|
else if (bcmp(units, "day", 3) == 0)
|
|
*seconds = period * 24 * 60 * 60;
|
|
else {
|
|
warnx("%s: bad units, specify %s\n", units,
|
|
"days, hours, minutes, or seconds");
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Convert a limit to number of disk blocks.
|
|
*/
|
|
uint64_t
|
|
cvtblkval(uint64_t limit, char units, const char *itemname)
|
|
{
|
|
|
|
switch(units) {
|
|
case 'B':
|
|
case 'b':
|
|
limit = btodb(limit);
|
|
break;
|
|
case '\0': /* historic behavior */
|
|
case ',': /* historic behavior */
|
|
case ')': /* historic behavior */
|
|
case 'K':
|
|
case 'k':
|
|
limit *= btodb(1024);
|
|
break;
|
|
case 'M':
|
|
case 'm':
|
|
limit *= btodb(1048576);
|
|
break;
|
|
case 'G':
|
|
case 'g':
|
|
limit *= btodb(1073741824);
|
|
break;
|
|
case 'T':
|
|
case 't':
|
|
limit *= btodb(1099511627776);
|
|
break;
|
|
case 'P':
|
|
case 'p':
|
|
limit *= btodb(1125899906842624);
|
|
break;
|
|
case 'E':
|
|
case 'e':
|
|
limit *= btodb(1152921504606846976);
|
|
break;
|
|
case ' ':
|
|
errx(2, "No space permitted between value and units for %s\n",
|
|
itemname);
|
|
break;
|
|
default:
|
|
errx(2, "%ju%c: unknown units for %s, specify "
|
|
"none, K, M, G, T, P, or E\n",
|
|
(uintmax_t)limit, units, itemname);
|
|
break;
|
|
}
|
|
return (limit);
|
|
}
|
|
|
|
/*
|
|
* Convert a limit to number of inodes.
|
|
*/
|
|
uint64_t
|
|
cvtinoval(uint64_t limit, char units, const char *itemname)
|
|
{
|
|
|
|
switch(units) {
|
|
case 'B':
|
|
case 'b':
|
|
case '\0': /* historic behavior */
|
|
case ',': /* historic behavior */
|
|
case ')': /* historic behavior */
|
|
break;
|
|
case 'K':
|
|
case 'k':
|
|
limit *= 1000;
|
|
break;
|
|
case 'M':
|
|
case 'm':
|
|
limit *= 1000000;
|
|
break;
|
|
case 'G':
|
|
case 'g':
|
|
limit *= 1000000000;
|
|
break;
|
|
case 'T':
|
|
case 't':
|
|
limit *= 1000000000000;
|
|
break;
|
|
case 'P':
|
|
case 'p':
|
|
limit *= 1000000000000000;
|
|
break;
|
|
case 'E':
|
|
case 'e':
|
|
limit *= 1000000000000000000;
|
|
break;
|
|
case ' ':
|
|
errx(2, "No space permitted between value and units for %s\n",
|
|
itemname);
|
|
break;
|
|
default:
|
|
errx(2, "%ju%c: unknown units for %s, specify "
|
|
"none, K, M, G, T, P, or E\n",
|
|
(uintmax_t)limit, units, itemname);
|
|
break;
|
|
}
|
|
return (limit);
|
|
}
|
|
|
|
/*
|
|
* Free a list of quotause structures.
|
|
*/
|
|
void
|
|
freeprivs(struct quotause *quplist)
|
|
{
|
|
struct quotause *qup, *nextqup;
|
|
|
|
for (qup = quplist; qup; qup = nextqup) {
|
|
quota_close(qup->qf);
|
|
nextqup = qup->next;
|
|
free(qup);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check whether a string is completely composed of digits.
|
|
*/
|
|
int
|
|
alldigits(const char *s)
|
|
{
|
|
int c;
|
|
|
|
c = *s++;
|
|
do {
|
|
if (!isdigit(c))
|
|
return (0);
|
|
} while ((c = *s++));
|
|
return (1);
|
|
}
|