398 lines
9.8 KiB
C
398 lines
9.8 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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* 3. 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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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1980, 1990, 1993\
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The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)repquota.c 8.2 (Berkeley) 11/22/94";
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#else
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__RCSID("$NetBSD: repquota.c,v 1.23 2008/07/21 13:36:59 lukem Exp $");
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#endif
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#endif /* not lint */
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/*
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* Quota report
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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/queue.h>
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#include <ufs/ufs/quota.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 <pwd.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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char *qfname = QUOTAFILENAME;
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char *qfextension[] = INITQFNAMES;
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struct fileusage {
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struct fileusage *fu_next;
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struct dqblk fu_dqblk;
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u_long fu_id;
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char fu_name[1];
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/* actually bigger */
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};
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#define FUHASH 1024 /* must be power of two */
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struct fileusage *fuhead[MAXQUOTAS][FUHASH];
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u_long highid[MAXQUOTAS]; /* highest addid()'ed identifier per type */
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int vflag; /* verbose */
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int aflag; /* all file systems */
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struct fileusage *addid __P((u_long, int, const char *));
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int hasquota __P((struct fstab *, int, char **));
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struct fileusage *lookup __P((u_long, int));
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int main __P((int, char **));
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int oneof __P((const char *, char **, int));
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int repquota __P((struct fstab *, int, char *));
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char *timeprt __P((time_t));
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void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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struct fstab *fs;
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struct passwd *pw;
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struct group *gr;
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int gflag = 0, uflag = 0, errs = 0;
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long i, argnum, done = 0;
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char *qfnp;
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int ch;
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while ((ch = getopt(argc, argv, "aguv")) != -1) {
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switch(ch) {
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case 'a':
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aflag++;
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break;
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case 'g':
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gflag++;
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break;
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case 'u':
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uflag++;
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break;
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case 'v':
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vflag++;
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break;
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default:
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usage();
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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 (argc == 0 && !aflag)
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usage();
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if (!gflag && !uflag) {
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if (aflag)
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gflag++;
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uflag++;
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}
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if (gflag) {
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setgrent();
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while ((gr = getgrent()) != 0)
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(void) addid((u_long)gr->gr_gid, GRPQUOTA, gr->gr_name);
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endgrent();
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}
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if (uflag) {
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setpwent();
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while ((pw = getpwent()) != 0)
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(void) addid((u_long)pw->pw_uid, USRQUOTA, pw->pw_name);
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endpwent();
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}
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setfsent();
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while ((fs = getfsent()) != NULL) {
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if (strcmp(fs->fs_vfstype, "ffs"))
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continue;
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if (aflag) {
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if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
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errs += repquota(fs, GRPQUOTA, qfnp);
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if (uflag && hasquota(fs, USRQUOTA, &qfnp))
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errs += repquota(fs, USRQUOTA, qfnp);
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continue;
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}
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if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 ||
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(argnum = oneof(fs->fs_spec, argv, argc)) >= 0) {
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done |= 1 << argnum;
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if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
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errs += repquota(fs, GRPQUOTA, qfnp);
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if (uflag && hasquota(fs, USRQUOTA, &qfnp))
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errs += repquota(fs, USRQUOTA, qfnp);
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}
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}
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endfsent();
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for (i = 0; i < argc; i++)
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if ((done & (1 << i)) == 0)
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fprintf(stderr, "%s not found in fstab\n", argv[i]);
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exit(errs);
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}
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void
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usage()
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{
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fprintf(stderr, "usage:\n\t%s\n\t%s\n",
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"repquota [-v] [-g] [-u] -a",
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"repquota [-v] [-g] [-u] filesys ...");
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exit(1);
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}
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int
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repquota(fs, type, qfpathname)
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struct fstab *fs;
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int type;
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char *qfpathname;
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{
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struct fileusage *fup;
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FILE *qf;
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u_long id;
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struct dqblk dqbuf;
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static struct dqblk zerodqblk;
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static int warned = 0;
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static int multiple = 0;
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if (quotactl(fs->fs_file, QCMD(Q_SYNC, type), 0, 0) < 0 &&
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errno == EOPNOTSUPP && !warned && vflag) {
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warned++;
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fprintf(stdout,
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"*** Warning: Quotas are not compiled into this kernel\n");
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}
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if (multiple++)
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printf("\n");
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if (vflag)
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fprintf(stdout, "*** Report for %s quotas on %s (%s)\n",
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qfextension[type], fs->fs_file, fs->fs_spec);
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if ((qf = fopen(qfpathname, "r")) == NULL) {
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perror(qfpathname);
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return (1);
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}
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for (id = 0; ; id++) {
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fread(&dqbuf, sizeof(struct dqblk), 1, qf);
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if (feof(qf))
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break;
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if (dqbuf.dqb_curinodes == 0 && dqbuf.dqb_curblocks == 0)
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continue;
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if ((fup = lookup(id, type)) == 0)
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fup = addid(id, type, (char *)0);
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fup->fu_dqblk = dqbuf;
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}
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fclose(qf);
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printf(" Block limits File limits\n");
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printf(type == USRQUOTA ? "User " : "Group");
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printf(" used soft hard grace used soft hard grace\n");
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for (id = 0; id <= highid[type]; id++) {
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fup = lookup(id, type);
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if (fup == 0)
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continue;
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if (fup->fu_dqblk.dqb_curinodes == 0 &&
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fup->fu_dqblk.dqb_curblocks == 0)
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continue;
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if (strlen(fup->fu_name) > 9)
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printf("%s ", fup->fu_name);
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else
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printf("%-10s", fup->fu_name);
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printf("%c%c%8d%8d%8d%7s",
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fup->fu_dqblk.dqb_bsoftlimit &&
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fup->fu_dqblk.dqb_curblocks >=
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fup->fu_dqblk.dqb_bsoftlimit ? '+' : '-',
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fup->fu_dqblk.dqb_isoftlimit &&
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fup->fu_dqblk.dqb_curinodes >=
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fup->fu_dqblk.dqb_isoftlimit ? '+' : '-',
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(int)(dbtob((u_quad_t)fup->fu_dqblk.dqb_curblocks) / 1024),
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(int)(dbtob((u_quad_t)fup->fu_dqblk.dqb_bsoftlimit) / 1024),
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(int)(dbtob((u_quad_t)fup->fu_dqblk.dqb_bhardlimit) / 1024),
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fup->fu_dqblk.dqb_bsoftlimit &&
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fup->fu_dqblk.dqb_curblocks >=
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fup->fu_dqblk.dqb_bsoftlimit ?
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timeprt(fup->fu_dqblk.dqb_btime) : "");
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printf(" %8d%8d%8d%7s\n",
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fup->fu_dqblk.dqb_curinodes,
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fup->fu_dqblk.dqb_isoftlimit,
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fup->fu_dqblk.dqb_ihardlimit,
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fup->fu_dqblk.dqb_isoftlimit &&
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fup->fu_dqblk.dqb_curinodes >=
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fup->fu_dqblk.dqb_isoftlimit ?
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timeprt(fup->fu_dqblk.dqb_itime) : "");
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fup->fu_dqblk = zerodqblk;
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}
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return (0);
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}
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/*
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* Check to see if target appears in list of size cnt.
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*/
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int
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oneof(target, list, cnt)
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const char *target;
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char *list[];
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int cnt;
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{
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int i;
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for (i = 0; i < cnt; i++)
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if (strcmp(target, list[i]) == 0)
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return (i);
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return (-1);
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}
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/*
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* Check to see if a particular quota is to be enabled.
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*/
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int
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hasquota(fs, type, qfnamep)
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struct fstab *fs;
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int type;
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char **qfnamep;
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{
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char *opt;
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char *cp = NULL;
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static char initname, usrname[100], grpname[100];
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static char buf[BUFSIZ];
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if (!initname) {
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sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
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sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
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initname = 1;
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}
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strcpy(buf, fs->fs_mntops);
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for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
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if ((cp = strchr(opt, '=')) != NULL)
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*cp++ = '\0';
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if (type == USRQUOTA && strcmp(opt, usrname) == 0)
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break;
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if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
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break;
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}
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if (!opt)
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return (0);
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if (cp) {
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*qfnamep = cp;
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return (1);
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}
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(void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
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*qfnamep = buf;
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return (1);
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}
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/*
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* Routines to manage the file usage table.
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*
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* Lookup an id of a specific type.
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*/
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struct fileusage *
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lookup(id, type)
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u_long id;
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int type;
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{
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struct fileusage *fup;
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for (fup = fuhead[type][id & (FUHASH-1)]; fup != 0; fup = fup->fu_next)
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if (fup->fu_id == id)
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return (fup);
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return ((struct fileusage *)0);
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}
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/*
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* Add a new file usage id if it does not already exist.
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*/
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struct fileusage *
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addid(id, type, name)
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u_long id;
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int type;
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const char *name;
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{
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struct fileusage *fup, **fhp;
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int len;
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if ((fup = lookup(id, type)) != NULL)
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return (fup);
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if (name)
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len = strlen(name);
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else
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len = 10;
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if ((fup = (struct fileusage *)calloc(1, sizeof(*fup) + len)) == NULL) {
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fprintf(stderr, "out of memory for fileusage structures\n");
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exit(1);
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}
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fhp = &fuhead[type][id & (FUHASH - 1)];
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fup->fu_next = *fhp;
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*fhp = fup;
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fup->fu_id = id;
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if (id > highid[type])
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highid[type] = id;
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if (name) {
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memmove(fup->fu_name, name, len + 1);
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} else {
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sprintf(fup->fu_name, "%lu", (u_long)id);
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}
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return (fup);
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}
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/*
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* Calculate the grace period and return a printable string for it.
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*/
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char *
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timeprt(seconds)
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time_t seconds;
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{
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time_t hours, minutes;
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static char buf[20];
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static time_t now;
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if (now == 0)
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time(&now);
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if (now > seconds)
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return ("none");
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seconds -= now;
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minutes = (seconds + 30) / 60;
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hours = (minutes + 30) / 60;
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if (hours >= 36) {
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sprintf(buf, "%lddays", (long)((hours + 12) / 24));
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return (buf);
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}
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if (minutes >= 60) {
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sprintf(buf, "%2ld:%ld", (long)(minutes / 60),
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(long)(minutes % 60));
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return (buf);
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}
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sprintf(buf, "%2ld", (long)minutes);
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return (buf);
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}
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