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-rw-r--r--usr.sbin/repquota/repquota.c371
1 files changed, 371 insertions, 0 deletions
diff --git a/usr.sbin/repquota/repquota.c b/usr.sbin/repquota/repquota.c
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--- /dev/null
+++ b/usr.sbin/repquota/repquota.c
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+/*
+ * 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.
+ * 4. 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.
+ */
+
+#if 0
+#ifndef lint
+static const char copyright[] =
+"@(#) Copyright (c) 1980, 1990, 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)repquota.c 8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+#endif
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * Quota report
+ */
+#include <sys/param.h>
+#include <sys/mount.h>
+
+#include <ufs/ufs/quota.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <fstab.h>
+#include <grp.h>
+#include <libutil.h>
+#include <pwd.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+/* Let's be paranoid about block size */
+#if 10 > DEV_BSHIFT
+#define dbtokb(db) \
+ ((off_t)(db) >> (10-DEV_BSHIFT))
+#elif 10 < DEV_BSHIFT
+#define dbtokb(db) \
+ ((off_t)(db) << (DEV_BSHIFT-10))
+#else
+#define dbtokb(db) (db)
+#endif
+
+#define max(a,b) ((a) >= (b) ? (a) : (b))
+
+static const char *qfextension[] = INITQFNAMES;
+
+struct fileusage {
+ struct fileusage *fu_next;
+ u_long fu_id;
+ char fu_name[1];
+ /* actually bigger */
+};
+#define FUHASH 1024 /* must be power of two */
+static struct fileusage *fuhead[MAXQUOTAS][FUHASH];
+static struct fileusage *lookup(u_long, int);
+static struct fileusage *addid(u_long, int, char *);
+static u_long highid[MAXQUOTAS]; /* highest addid()'ed identifier per type */
+
+static int vflag; /* verbose */
+static int aflag; /* all filesystems */
+static int nflag; /* display user/group by id */
+static int hflag; /* display in human readable format */
+
+int oneof(char *, char *[], int);
+int repquota(struct fstab *, int);
+char *timeprt(time_t);
+static void prthumanval(int64_t bytes);
+static void usage(void);
+
+int
+main(int argc, char *argv[])
+{
+ struct fstab *fs;
+ struct passwd *pw;
+ struct group *gr;
+ int ch, gflag = 0, uflag = 0, errs = 0;
+ long i, argnum, done = 0;
+
+ while ((ch = getopt(argc, argv, "aghnuv")) != -1) {
+ switch(ch) {
+ case 'a':
+ aflag++;
+ break;
+ case 'g':
+ gflag++;
+ break;
+ case 'h':
+ hflag++;
+ break;
+ case 'n':
+ nflag++;
+ break;
+ case 'u':
+ uflag++;
+ break;
+ case 'v':
+ vflag++;
+ break;
+ default:
+ usage();
+ }
+ }
+ argc -= optind;
+ argv += optind;
+ if (argc == 0 && !aflag)
+ usage();
+ if (!gflag && !uflag) {
+ if (aflag)
+ gflag++;
+ uflag++;
+ }
+ if (gflag && !nflag) {
+ setgrent();
+ while ((gr = getgrent()) != 0)
+ (void) addid((u_long)gr->gr_gid, GRPQUOTA, gr->gr_name);
+ endgrent();
+ }
+ if (uflag && !nflag) {
+ setpwent();
+ while ((pw = getpwent()) != 0)
+ (void) addid((u_long)pw->pw_uid, USRQUOTA, pw->pw_name);
+ endpwent();
+ }
+ setfsent();
+ while ((fs = getfsent()) != NULL) {
+ if (strcmp(fs->fs_vfstype, "ufs"))
+ continue;
+ if (aflag) {
+ if (gflag)
+ errs += repquota(fs, GRPQUOTA);
+ if (uflag)
+ errs += repquota(fs, USRQUOTA);
+ continue;
+ }
+ if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 ||
+ (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) {
+ done |= 1 << argnum;
+ if (gflag)
+ errs += repquota(fs, GRPQUOTA);
+ if (uflag)
+ errs += repquota(fs, USRQUOTA);
+ }
+ }
+ endfsent();
+ for (i = 0; i < argc; i++)
+ if ((done & (1 << i)) == 0)
+ warnx("%s not found in fstab", argv[i]);
+ exit(errs);
+}
+
+static void
+usage(void)
+{
+ fprintf(stderr, "%s\n%s\n",
+ "usage: repquota [-h] [-v] [-g] [-n] [-u] -a",
+ " repquota [-h] [-v] [-g] [-n] [-u] filesystem ...");
+ exit(1);
+}
+
+int
+repquota(struct fstab *fs, int type)
+{
+ struct fileusage *fup;
+ struct quotafile *qf;
+ u_long id, maxid;
+ struct dqblk dqbuf;
+ static int multiple = 0;
+
+ if ((qf = quota_open(fs, type, O_RDONLY)) == NULL) {
+ if (vflag && !aflag) {
+ if (multiple++)
+ printf("\n");
+ fprintf(stdout, "*** No %s quotas on %s (%s)\n",
+ qfextension[type], fs->fs_file, fs->fs_spec);
+ return(1);
+ }
+ return(0);
+ }
+ if (multiple++)
+ printf("\n");
+ if (vflag)
+ fprintf(stdout, "*** Report for %s quotas on %s (%s)\n",
+ qfextension[type], fs->fs_file, fs->fs_spec);
+ printf("%*s Block limits File limits\n",
+ max(MAXLOGNAME - 1, 10), " ");
+ printf("User%*s used soft hard grace used soft hard grace\n",
+ max(MAXLOGNAME - 1, 10), " ");
+ maxid = quota_maxid(qf);
+ for (id = 0; id <= maxid; id++) {
+ if (quota_read(qf, &dqbuf, id) != 0)
+ break;
+ if (dqbuf.dqb_curinodes == 0 && dqbuf.dqb_curblocks == 0)
+ continue;
+ if ((fup = lookup(id, type)) == 0)
+ fup = addid(id, type, (char *)0);
+ printf("%-*s ", max(MAXLOGNAME - 1, 10), fup->fu_name);
+ printf("%c%c",
+ dqbuf.dqb_bsoftlimit &&
+ dqbuf.dqb_curblocks >=
+ dqbuf.dqb_bsoftlimit ? '+' : '-',
+ dqbuf.dqb_isoftlimit &&
+ dqbuf.dqb_curinodes >=
+ dqbuf.dqb_isoftlimit ? '+' : '-');
+ prthumanval(dqbuf.dqb_curblocks);
+ prthumanval(dqbuf.dqb_bsoftlimit);
+ prthumanval(dqbuf.dqb_bhardlimit);
+ printf(" %6s",
+ dqbuf.dqb_bsoftlimit &&
+ dqbuf.dqb_curblocks >=
+ dqbuf.dqb_bsoftlimit ?
+ timeprt(dqbuf.dqb_btime) : "-");
+ printf(" %7ju %7ju %7ju %6s\n",
+ (uintmax_t)dqbuf.dqb_curinodes,
+ (uintmax_t)dqbuf.dqb_isoftlimit,
+ (uintmax_t)dqbuf.dqb_ihardlimit,
+ dqbuf.dqb_isoftlimit &&
+ dqbuf.dqb_curinodes >=
+ dqbuf.dqb_isoftlimit ?
+ timeprt(dqbuf.dqb_itime) : "-");
+ }
+ quota_close(qf);
+ return (0);
+}
+
+static void
+prthumanval(int64_t blocks)
+{
+ char buf[7];
+ int flags;
+
+ if (!hflag) {
+ printf(" %6ju", (uintmax_t)dbtokb(blocks));
+ return;
+ }
+ flags = HN_NOSPACE | HN_DECIMAL;
+ if (blocks != 0)
+ flags |= HN_B;
+ humanize_number(buf, sizeof(buf) - (blocks < 0 ? 0 : 1),
+ dbtob(blocks), "", HN_AUTOSCALE, flags);
+ (void)printf("%7s", buf);
+}
+
+/*
+ * Check to see if target appears in list of size cnt.
+ */
+int
+oneof(char *target, char *list[], int cnt)
+{
+ int i;
+
+ for (i = 0; i < cnt; i++)
+ if (strcmp(target, list[i]) == 0)
+ return (i);
+ return (-1);
+}
+
+/*
+ * Routines to manage the file usage table.
+ *
+ * Lookup an id of a specific type.
+ */
+struct fileusage *
+lookup(u_long id, int type)
+{
+ struct fileusage *fup;
+
+ for (fup = fuhead[type][id & (FUHASH-1)]; fup != 0; fup = fup->fu_next)
+ if (fup->fu_id == id)
+ return (fup);
+ return ((struct fileusage *)0);
+}
+
+/*
+ * Add a new file usage id if it does not already exist.
+ */
+struct fileusage *
+addid(u_long id, int type, char *name)
+{
+ struct fileusage *fup, **fhp;
+ int len;
+
+ if ((fup = lookup(id, type)))
+ return (fup);
+ if (name)
+ len = strlen(name);
+ else
+ len = 10;
+ if ((fup = (struct fileusage *)calloc(1, sizeof(*fup) + len)) == NULL)
+ errx(1, "out of memory for fileusage structures");
+ fhp = &fuhead[type][id & (FUHASH - 1)];
+ fup->fu_next = *fhp;
+ *fhp = fup;
+ fup->fu_id = id;
+ if (id > highid[type])
+ highid[type] = id;
+ if (name) {
+ bcopy(name, fup->fu_name, len + 1);
+ } else {
+ sprintf(fup->fu_name, "%lu", id);
+ }
+ return (fup);
+}
+
+/*
+ * Calculate the grace period and return a printable string for it.
+ */
+char *
+timeprt(time_t seconds)
+{
+ time_t hours, minutes;
+ static char buf[20];
+ static time_t now;
+
+ if (now == 0)
+ time(&now);
+ if (now > seconds) {
+ strlcpy(buf, "none", sizeof (buf));
+ return (buf);
+ }
+ seconds -= now;
+ minutes = (seconds + 30) / 60;
+ hours = (minutes + 30) / 60;
+ if (hours >= 36) {
+ sprintf(buf, "%lddays", (long)(hours + 12) / 24);
+ return (buf);
+ }
+ if (minutes >= 60) {
+ sprintf(buf, "%2ld:%ld", (long)minutes / 60,
+ (long)minutes % 60);
+ return (buf);
+ }
+ sprintf(buf, "%2ld", (long)minutes);
+ return (buf);
+}
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