2 * Copyright (c) 1980, 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Robert Elz at The University of Melbourne.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static const char copyright[] =
36 "@(#) Copyright (c) 1980, 1990, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
41 static char sccsid[] = "@(#)edquota.c 8.1 (Berkeley) 6/6/93";
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD$");
53 #include <sys/mount.h>
55 #include <ufs/ufs/quota.h>
71 #include "pathnames.h"
73 /* Let's be paranoid about block size */
76 ((off_t)(db) >> (10-DEV_BSHIFT))
79 ((off_t)(db) << (DEV_BSHIFT-10))
81 #define dbtokb(db) (db)
84 const char *qfextension[] = INITQFNAMES;
85 char tmpfil[] = _PATH_TMP;
89 struct quotause *next;
93 char fsname[MAXPATHLEN + 1];
97 int alldigits(const char *s);
98 int cvtatos(uint64_t, char *, uint64_t *);
99 char *cvtstoa(uint64_t);
100 uint64_t cvtblkval(uint64_t, char, const char *);
101 uint64_t cvtinoval(uint64_t, char, const char *);
103 char *fmthumanvalblks(int64_t);
104 char *fmthumanvalinos(int64_t);
105 void freeprivs(struct quotause *);
106 int getentry(const char *, int);
107 struct quotause *getprivs(long, int, char *);
108 void putprivs(long, struct quotause *);
109 int readprivs(struct quotause *, char *);
110 int readtimes(struct quotause *, char *);
111 static void usage(void);
112 int writetimes(struct quotause *, int, int);
113 int writeprivs(struct quotause *, int, char *, int);
116 main(int argc, char *argv[])
118 struct quotause *qup, *protoprivs, *curprivs;
120 int i, quotatype, range, tmpfd;
121 uid_t startuid, enduid;
123 char *protoname, *cp, *endpt, *oldoptarg;
124 int eflag = 0, tflag = 0, pflag = 0, ch;
126 char buf[MAXLOGNAME];
131 errx(1, "permission denied");
132 quotatype = USRQUOTA;
136 while ((ch = getopt(argc, argv, "ughtf:p:e:")) != -1) {
143 warnx("cannot specify both -e and -p");
151 quotatype = GRPQUOTA;
157 quotatype = USRQUOTA;
164 warnx("cannot specify both -e and -p");
168 if ((qup = calloc(1, sizeof(*qup))) == NULL)
169 errx(2, "out of memory");
171 for (i = 0, cp = optarg;
172 (cp = strsep(&optarg, ":")) != NULL; i++) {
175 if (i > 0 && !isdigit(*cp)) {
176 warnx("incorrect quota specification: "
183 strlcpy(qup->fsname, cp,
184 sizeof(qup->fsname));
187 lim = strtoll(cp, &endpt, 10);
188 qup->dqblk.dqb_bsoftlimit =
189 cvtblkval(lim, *endpt,
193 lim = strtoll(cp, &endpt, 10);
194 qup->dqblk.dqb_bhardlimit =
195 cvtblkval(lim, *endpt,
199 lim = strtoll(cp, &endpt, 10);
200 qup->dqblk.dqb_isoftlimit =
201 cvtinoval(lim, *endpt,
205 lim = strtoll(cp, &endpt, 10);
206 qup->dqblk.dqb_ihardlimit =
207 cvtinoval(lim, *endpt,
211 warnx("incorrect quota specification: "
217 if (protoprivs == NULL) {
218 protoprivs = curprivs = qup;
220 curprivs->next = qup;
232 if (pflag || eflag) {
234 if ((protoid = getentry(protoname, quotatype)) == -1)
236 protoprivs = getprivs(protoid, quotatype, fspath);
237 if (protoprivs == NULL)
239 for (qup = protoprivs; qup; qup = qup->next) {
240 qup->dqblk.dqb_btime = 0;
241 qup->dqblk.dqb_itime = 0;
244 for (; argc-- > 0; argv++) {
245 if (strspn(*argv, "0123456789-") == strlen(*argv) &&
246 (cp = strchr(*argv, '-')) != NULL) {
248 startuid = atoi(*argv);
250 if (enduid < startuid)
252 "ending uid (%d) must be >= starting uid (%d) when using uid ranges",
256 startuid = enduid = 0;
259 for ( ; startuid <= enduid; startuid++) {
261 snprintf(buf, sizeof(buf), "%d",
264 snprintf(buf, sizeof(buf), "%s",
266 if ((id = getentry(buf, quotatype)) < 0)
269 putprivs(id, protoprivs);
272 for (qup = protoprivs; qup; qup = qup->next) {
273 curprivs = getprivs(id, quotatype,
275 if (curprivs == NULL)
277 curprivs->dqblk = qup->dqblk;
278 putprivs(id, curprivs);
284 freeprivs(protoprivs);
287 tmpfd = mkstemp(tmpfil);
288 fchown(tmpfd, getuid(), getgid());
290 if ((protoprivs = getprivs(0, quotatype, fspath)) != NULL) {
291 if (writetimes(protoprivs, tmpfd, quotatype) != 0 &&
292 editit(tmpfil) && readtimes(protoprivs, tmpfil))
293 putprivs(0L, protoprivs);
294 freeprivs(protoprivs);
300 for ( ; argc > 0; argc--, argv++) {
301 if ((id = getentry(*argv, quotatype)) == -1)
303 if ((curprivs = getprivs(id, quotatype, fspath)) == NULL)
305 if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0)
307 if (editit(tmpfil) && readprivs(curprivs, tmpfil))
308 putprivs(id, curprivs);
319 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
320 "usage: edquota [-uh] [-f fspath] [-p username] username ...",
321 " edquota [-u] -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]",
323 " edquota -g [-h] [-f fspath] [-p groupname] groupname ...",
324 " edquota -g -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]",
326 " edquota [-u] -t [-f fspath]",
327 " edquota -g -t [-f fspath]");
332 * This routine converts a name for a particular quota type to
333 * an identifier. This routine must agree with the kernel routine
334 * getinoquota as to the interpretation of quota types.
337 getentry(const char *name, int quotatype)
346 if ((pw = getpwnam(name)))
348 warnx("%s: no such user", name);
352 if ((gr = getgrnam(name)))
354 warnx("%s: no such group", name);
358 warnx("%d: unknown quota type", quotatype);
367 * Collect the requested quota information.
370 getprivs(long id, int quotatype, char *fspath)
372 struct quotafile *qf;
374 struct quotause *qup, *quptail;
375 struct quotause *quphead;
378 quphead = quptail = NULL;
379 while ((fs = getfsent())) {
380 if (fspath && *fspath && strcmp(fspath, fs->fs_spec) &&
381 strcmp(fspath, fs->fs_file))
383 if (strcmp(fs->fs_vfstype, "ufs"))
385 if ((qf = quota_open(fs, quotatype, O_CREAT|O_RDWR)) == NULL) {
386 if (errno != EOPNOTSUPP)
387 warn("cannot open quotas on %s", fs->fs_file);
390 if ((qup = (struct quotause *)calloc(1, sizeof(*qup))) == NULL)
391 errx(2, "out of memory");
393 strncpy(qup->fsname, fs->fs_file, sizeof(qup->fsname));
394 if (quota_read(qf, &qup->dqblk, id) == -1) {
395 warn("cannot read quotas on %s", fs->fs_file);
406 if (quphead == NULL) {
407 warnx("No quotas on %s", fspath ? fspath : "any filesystems");
414 * Store the requested quota information.
417 putprivs(long id, struct quotause *quplist)
419 struct quotause *qup;
421 for (qup = quplist; qup; qup = qup->next)
422 if (quota_write_limits(qup->qf, &qup->dqblk, id) == -1)
423 warn("%s", qup->fsname);
427 * Take a list of privileges and get it edited.
435 omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP));
437 if ((pid = fork()) < 0) {
439 if (errno == EPROCLIM) {
440 warnx("you have too many processes");
443 if (errno == EAGAIN) {
454 if (setgid(getgid()) != 0)
455 err(1, "setgid failed");
456 if (setuid(getuid()) != 0)
457 err(1, "setuid failed");
458 if ((ed = getenv("EDITOR")) == (char *)0)
460 execlp(ed, ed, tmpf, (char *)0);
463 waitpid(pid, &status, 0);
465 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
471 * Convert a quotause list to an ASCII file.
474 writeprivs(struct quotause *quplist, int outfd, char *name, int quotatype)
476 struct quotause *qup;
480 lseek(outfd, 0, L_SET);
481 if ((fd = fdopen(dup(outfd), "w")) == NULL)
482 err(1, "%s", tmpfil);
483 fprintf(fd, "Quotas for %s %s:\n", qfextension[quotatype], name);
484 for (qup = quplist; qup; qup = qup->next) {
485 fprintf(fd, "%s: in use: %s, ", qup->fsname,
486 fmthumanvalblks(qup->dqblk.dqb_curblocks));
487 fprintf(fd, "limits (soft = %s, ",
488 fmthumanvalblks(qup->dqblk.dqb_bsoftlimit));
489 fprintf(fd, "hard = %s)\n",
490 fmthumanvalblks(qup->dqblk.dqb_bhardlimit));
491 fprintf(fd, "\tinodes in use: %s, ",
492 fmthumanvalinos(qup->dqblk.dqb_curinodes));
493 fprintf(fd, "limits (soft = %s, ",
494 fmthumanvalinos(qup->dqblk.dqb_isoftlimit));
495 fprintf(fd, "hard = %s)\n",
496 fmthumanvalinos(qup->dqblk.dqb_ihardlimit));
503 fmthumanvalblks(int64_t blocks)
505 static char numbuf[20];
508 humanize_number(numbuf, blocks < 0 ? 7 : 6,
509 dbtob(blocks), "", HN_AUTOSCALE, HN_NOSPACE);
512 snprintf(numbuf, sizeof(numbuf), "%juk", (uintmax_t)dbtokb(blocks));
517 fmthumanvalinos(int64_t inos)
519 static char numbuf[20];
522 humanize_number(numbuf, inos < 0 ? 7 : 6,
523 inos, "", HN_AUTOSCALE, HN_NOSPACE | HN_DIVISOR_1000);
526 snprintf(numbuf, sizeof(numbuf), "%ju", (uintmax_t)inos);
531 * Merge changes to an ASCII file into a quotause list.
534 readprivs(struct quotause *quplist, char *inname)
536 struct quotause *qup;
538 uintmax_t hardlimit, softlimit, curitems;
539 char hardunits, softunits, curitemunits;
543 char *fsp, line1[BUFSIZ], line2[BUFSIZ];
545 fd = fopen(inname, "r");
547 warnx("can't re-read temp file!!");
551 * Discard title line, then read pairs of lines to process.
553 (void) fgets(line1, sizeof (line1), fd);
554 while (fgets(line1, sizeof (line1), fd) != NULL &&
555 fgets(line2, sizeof (line2), fd) != NULL) {
556 if ((fsp = strtok(line1, " \t:")) == NULL) {
557 warnx("%s: bad format", line1);
560 if ((cp = strtok((char *)0, "\n")) == NULL) {
561 warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]);
565 " in use: %ju%c, limits (soft = %ju%c, hard = %ju%c)",
566 &curitems, &curitemunits, &softlimit, &softunits,
567 &hardlimit, &hardunits);
569 * The next three check for old-style input formats.
573 " in use: %ju%c, limits (soft = %ju%c hard = %ju%c",
574 &curitems, &curitemunits, &softlimit,
575 &softunits, &hardlimit, &hardunits);
578 " in use: %ju%c, limits (soft = %ju%c hard = %ju%c)",
579 &curitems, &curitemunits, &softlimit,
580 &softunits, &hardlimit, &hardunits);
583 " in use: %ju%c, limits (soft = %ju%c, hard = %ju%c",
584 &curitems, &curitemunits, &softlimit,
585 &softunits, &hardlimit, &hardunits);
587 warnx("%s:%s: bad format", fsp, cp);
590 dqblk.dqb_curblocks = cvtblkval(curitems, curitemunits,
591 "current block count");
592 dqblk.dqb_bsoftlimit = cvtblkval(softlimit, softunits,
594 dqblk.dqb_bhardlimit = cvtblkval(hardlimit, hardunits,
596 if ((cp = strtok(line2, "\n")) == NULL) {
597 warnx("%s: %s: bad format", fsp, line2);
601 " in use: %ju%c limits (soft = %ju%c, hard = %ju%c)",
602 &curitems, &curitemunits, &softlimit,
603 &softunits, &hardlimit, &hardunits);
605 * The next three check for old-style input formats.
609 " in use: %ju%c limits (soft = %ju%c hard = %ju%c",
610 &curitems, &curitemunits, &softlimit,
611 &softunits, &hardlimit, &hardunits);
614 " in use: %ju%c limits (soft = %ju%c hard = %ju%c)",
615 &curitems, &curitemunits, &softlimit,
616 &softunits, &hardlimit, &hardunits);
619 " in use: %ju%c limits (soft = %ju%c, hard = %ju%c",
620 &curitems, &curitemunits, &softlimit,
621 &softunits, &hardlimit, &hardunits);
623 warnx("%s: %s: bad format cnt %d", fsp, &cp[7], cnt);
626 dqblk.dqb_curinodes = cvtinoval(curitems, curitemunits,
627 "current inode count");
628 dqblk.dqb_isoftlimit = cvtinoval(softlimit, softunits,
630 dqblk.dqb_ihardlimit = cvtinoval(hardlimit, hardunits,
632 for (qup = quplist; qup; qup = qup->next) {
633 if (strcmp(fsp, qup->fsname))
636 * Cause time limit to be reset when the quota
637 * is next used if previously had no soft limit
638 * or were under it, but now have a soft limit
641 if (dqblk.dqb_bsoftlimit &&
642 qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit &&
643 (qup->dqblk.dqb_bsoftlimit == 0 ||
644 qup->dqblk.dqb_curblocks <
645 qup->dqblk.dqb_bsoftlimit))
646 qup->dqblk.dqb_btime = 0;
647 if (dqblk.dqb_isoftlimit &&
648 qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit &&
649 (qup->dqblk.dqb_isoftlimit == 0 ||
650 qup->dqblk.dqb_curinodes <
651 qup->dqblk.dqb_isoftlimit))
652 qup->dqblk.dqb_itime = 0;
653 qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit;
654 qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit;
655 qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit;
656 qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit;
658 /* Humanized input returns only approximate counts */
660 (dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks &&
661 dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes))
663 warnx("%s: cannot change current allocation", fsp);
669 * Disable quotas for any filesystems that have not been found.
671 for (qup = quplist; qup; qup = qup->next) {
672 if (qup->flags & FOUND) {
673 qup->flags &= ~FOUND;
676 qup->dqblk.dqb_bsoftlimit = 0;
677 qup->dqblk.dqb_bhardlimit = 0;
678 qup->dqblk.dqb_isoftlimit = 0;
679 qup->dqblk.dqb_ihardlimit = 0;
685 * Convert a quotause list to an ASCII file of grace times.
688 writetimes(struct quotause *quplist, int outfd, int quotatype)
690 struct quotause *qup;
694 lseek(outfd, 0, L_SET);
695 if ((fd = fdopen(dup(outfd), "w")) == NULL)
696 err(1, "%s", tmpfil);
697 fprintf(fd, "Time units may be: days, hours, minutes, or seconds\n");
698 fprintf(fd, "Grace period before enforcing soft limits for %ss:\n",
699 qfextension[quotatype]);
700 for (qup = quplist; qup; qup = qup->next) {
701 fprintf(fd, "%s: block grace period: %s, ",
702 qup->fsname, cvtstoa(qup->dqblk.dqb_btime));
703 fprintf(fd, "file grace period: %s\n",
704 cvtstoa(qup->dqblk.dqb_itime));
711 * Merge changes of grace times in an ASCII file into a quotause list.
714 readtimes(struct quotause *quplist, char *inname)
716 struct quotause *qup;
720 uintmax_t itime, btime, iseconds, bseconds;
721 char *fsp, bunits[10], iunits[10], line1[BUFSIZ];
723 fd = fopen(inname, "r");
725 warnx("can't re-read temp file!!");
729 * Discard two title lines, then read lines to process.
731 (void) fgets(line1, sizeof (line1), fd);
732 (void) fgets(line1, sizeof (line1), fd);
733 while (fgets(line1, sizeof (line1), fd) != NULL) {
734 if ((fsp = strtok(line1, " \t:")) == NULL) {
735 warnx("%s: bad format", line1);
738 if ((cp = strtok((char *)0, "\n")) == NULL) {
739 warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]);
743 " block grace period: %ju %s file grace period: %ju %s",
744 &btime, bunits, &itime, iunits);
746 warnx("%s:%s: bad format", fsp, cp);
749 if (cvtatos(btime, bunits, &bseconds) == 0)
751 if (cvtatos(itime, iunits, &iseconds) == 0)
753 for (qup = quplist; qup; qup = qup->next) {
754 if (strcmp(fsp, qup->fsname))
756 qup->dqblk.dqb_btime = bseconds;
757 qup->dqblk.dqb_itime = iseconds;
764 * reset default grace periods for any filesystems
765 * that have not been found.
767 for (qup = quplist; qup; qup = qup->next) {
768 if (qup->flags & FOUND) {
769 qup->flags &= ~FOUND;
772 qup->dqblk.dqb_btime = 0;
773 qup->dqblk.dqb_itime = 0;
779 * Convert seconds to ASCII times.
782 cvtstoa(uint64_t secs)
786 if (secs % (24 * 60 * 60) == 0) {
787 secs /= 24 * 60 * 60;
788 sprintf(buf, "%ju day%s", (uintmax_t)secs,
789 secs == 1 ? "" : "s");
790 } else if (secs % (60 * 60) == 0) {
792 sprintf(buf, "%ju hour%s", (uintmax_t)secs,
793 secs == 1 ? "" : "s");
794 } else if (secs % 60 == 0) {
796 sprintf(buf, "%ju minute%s", (uintmax_t)secs,
797 secs == 1 ? "" : "s");
799 sprintf(buf, "%ju second%s", (uintmax_t)secs,
800 secs == 1 ? "" : "s");
805 * Convert ASCII input times to seconds.
808 cvtatos(uint64_t period, char *units, uint64_t *seconds)
811 if (bcmp(units, "second", 6) == 0)
813 else if (bcmp(units, "minute", 6) == 0)
814 *seconds = period * 60;
815 else if (bcmp(units, "hour", 4) == 0)
816 *seconds = period * 60 * 60;
817 else if (bcmp(units, "day", 3) == 0)
818 *seconds = period * 24 * 60 * 60;
820 warnx("%s: bad units, specify %s\n", units,
821 "days, hours, minutes, or seconds");
828 * Convert a limit to number of disk blocks.
831 cvtblkval(uint64_t limit, char units, const char *itemname)
837 limit = btodb(limit);
839 case '\0': /* historic behavior */
840 case ',': /* historic behavior */
841 case ')': /* historic behavior */
844 limit *= btodb(1024);
848 limit *= btodb(1048576);
852 limit *= btodb(1073741824);
856 limit *= btodb(1099511627776);
860 limit *= btodb(1125899906842624);
864 limit *= btodb(1152921504606846976);
867 errx(2, "No space permitted between value and units for %s\n",
871 errx(2, "%ju%c: unknown units for %s, specify "
872 "none, K, M, G, T, P, or E\n",
873 (uintmax_t)limit, units, itemname);
880 * Convert a limit to number of inodes.
883 cvtinoval(uint64_t limit, char units, const char *itemname)
889 case '\0': /* historic behavior */
890 case ',': /* historic behavior */
891 case ')': /* historic behavior */
907 limit *= 1000000000000;
911 limit *= 1000000000000000;
915 limit *= 1000000000000000000;
918 errx(2, "No space permitted between value and units for %s\n",
922 errx(2, "%ju%c: unknown units for %s, specify "
923 "none, K, M, G, T, P, or E\n",
924 (uintmax_t)limit, units, itemname);
931 * Free a list of quotause structures.
934 freeprivs(struct quotause *quplist)
936 struct quotause *qup, *nextqup;
938 for (qup = quplist; qup; qup = nextqup) {
939 quota_close(qup->qf);
946 * Check whether a string is completely composed of digits.
949 alldigits(const char *s)
957 } while ((c = *s++));