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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#) Copyright (c) 1980, 1990, 1993 The Regents of the University of California. All rights reserved.
37 * @(#)quota.c 8.1 (Berkeley) 6/6/93
38 * $FreeBSD: src/usr.bin/quota/quota.c,v 1.11.2.5 2002/11/30 23:54:21 iedowse Exp $
39 * $DragonFly: src/usr.bin/quota/quota.c,v 1.7 2006/04/03 01:59:28 dillon Exp $
43 * Disk quota reporting program.
46 #include <sys/param.h>
47 #include <sys/types.h>
50 #include <sys/mount.h>
51 #include <sys/socket.h>
54 #include <rpc/pmap_prot.h>
55 #include <rpcsvc/rquota.h>
57 #include <vfs/ufs/quota.h>
70 const char *qfname = QUOTAFILENAME;
71 const char *qfextension[] = INITQFNAMES;
74 struct quotause *next;
76 struct ufs_dqblk dqblk;
77 char fsname[MAXPATHLEN + 1];
81 static const char *timeprt(time_t);
82 static struct quotause *getprivs(long, int);
83 static void usage(void);
84 static void showuid(u_long);
85 static void showgid(u_long);
86 static int alldigits(char *);
87 static void showusrname(char *);
88 static void showgrpname(char *);
89 static void showquotas(int, u_long, const char *);
90 static void heading(int, u_long, const char *, const char *);
91 static int ufshasquota(struct fstab *, int, char **);
92 static int getufsquota(struct fstab *, struct quotause *, long, int);
93 static int getnfsquota(struct statfs *, struct quotause *, long, int);
94 static int callaurpc(char *, int, int, int, xdrproc_t, char *, xdrproc_t,
102 main(int argc, char *argv[])
105 gid_t mygid, gidset[NGROUPS];
106 int i, gflag = 0, uflag = 0;
109 while ((ch = getopt(argc, argv, "glquv")) != -1) {
132 if (!uflag && !gflag)
139 ngroups = getgroups(NGROUPS, gidset);
143 for (i = 0; i < ngroups; i++)
144 if (gidset[i] != mygid)
152 for (; argc > 0; argc--, argv++) {
153 if (alldigits(*argv))
154 showuid(atoi(*argv));
161 for (; argc > 0; argc--, argv++) {
162 if (alldigits(*argv))
163 showgid(atoi(*argv));
175 fprintf(stderr, "%s\n%s\n%s\n",
176 "usage: quota [-glu] [-v | -q]",
177 " quota [-lu] [-v | -q] user ...",
178 " quota -g [-l] [-v | -q] group ...");
183 * Print out quotas for a specified user identifier.
188 struct passwd *pwd = getpwuid(uid);
193 name = "(no account)";
197 if (uid != myuid && myuid != 0) {
198 printf("quota: %s (uid %lu): permission denied\n", name, uid);
201 showquotas(USRQUOTA, uid, name);
205 * Print out quotas for a specifed user name.
208 showusrname(char *name)
210 struct passwd *pwd = getpwnam(name);
214 warnx("%s: unknown user", name);
218 if (pwd->pw_uid != myuid && myuid != 0) {
219 warnx("%s (uid %u): permission denied", name, pwd->pw_uid);
222 showquotas(USRQUOTA, pwd->pw_uid, name);
226 * Print out quotas for a specified group identifier.
231 struct group *grp = getgrgid(gid);
233 gid_t mygid, gidset[NGROUPS];
242 ngroups = getgroups(NGROUPS, gidset);
248 for (i = 0; i < ngroups; i++)
249 if (gid == gidset[i])
251 if (i >= ngroups && getuid() != 0) {
252 warnx("%s (gid %lu): permission denied", name, gid);
256 showquotas(GRPQUOTA, gid, name);
260 * Print out quotas for a specifed group name.
263 showgrpname(char *name)
265 struct group *grp = getgrnam(name);
267 gid_t mygid, gidset[NGROUPS];
271 warnx("%s: unknown group", name);
275 ngroups = getgroups(NGROUPS, gidset);
280 if (grp->gr_gid != mygid) {
281 for (i = 0; i < ngroups; i++)
282 if (grp->gr_gid == gidset[i])
284 if (i >= ngroups && getuid() != 0) {
285 warnx("%s (gid %u): permission denied", name,
290 showquotas(GRPQUOTA, grp->gr_gid, name);
294 showquotas(int type, u_long id, const char *name)
296 struct quotause *qup;
297 struct quotause *quplist;
298 const char *msgi, *msgb;
305 quplist = getprivs(id, type);
306 for (qup = quplist; qup; qup = qup->next) {
308 qup->dqblk.dqb_isoftlimit == 0 &&
309 qup->dqblk.dqb_ihardlimit == 0 &&
310 qup->dqblk.dqb_bsoftlimit == 0 &&
311 qup->dqblk.dqb_bhardlimit == 0)
314 if (qup->dqblk.dqb_ihardlimit &&
315 qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_ihardlimit)
316 msgi = "File limit reached on";
317 else if (qup->dqblk.dqb_isoftlimit &&
318 qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_isoftlimit) {
319 if (qup->dqblk.dqb_itime > now)
320 msgi = "In file grace period on";
322 msgi = "Over file quota on";
325 if (qup->dqblk.dqb_bhardlimit &&
326 qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bhardlimit)
327 msgb = "Block limit reached on";
328 else if (qup->dqblk.dqb_bsoftlimit &&
329 qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bsoftlimit) {
330 if (qup->dqblk.dqb_btime > now)
331 msgb = "In block grace period on";
333 msgb = "Over block quota on";
336 if ((msgi != NULL || msgb != NULL) &&
338 heading(type, id, name, "");
340 printf("\t%s %s\n", msgi, qup->fsname);
342 printf("\t%s %s\n", msgb, qup->fsname);
346 qup->dqblk.dqb_curblocks ||
347 qup->dqblk.dqb_curinodes) {
349 heading(type, id, name, "");
351 if (strlen(qup->fsname) > 15) {
352 printf("%s\n", qup->fsname);
355 printf("%15s%8lu%c%7lu%8lu%8s"
357 , (u_long) (dbtob(qup->dqblk.dqb_curblocks)
359 , (msgb == NULL) ? ' ' : '*'
360 , (u_long) (dbtob(qup->dqblk.dqb_bsoftlimit)
362 , (u_long) (dbtob(qup->dqblk.dqb_bhardlimit)
364 , (msgb == NULL) ? ""
365 :timeprt(qup->dqblk.dqb_btime));
366 printf("%8lu%c%7lu%8lu%8s\n"
367 , (u_long)qup->dqblk.dqb_curinodes
368 , (msgi == NULL) ? ' ' : '*'
369 , (u_long)qup->dqblk.dqb_isoftlimit
370 , (u_long)qup->dqblk.dqb_ihardlimit
371 , (msgi == NULL) ? ""
372 : timeprt(qup->dqblk.dqb_itime)
377 if (!qflag && lines == 0)
378 heading(type, id, name, "none");
382 heading(int type, u_long id, const char *name, const char *tag)
385 printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
386 name, *qfextension[type], id, tag);
387 if (!qflag && tag[0] == '\0') {
388 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n"
403 * Calculate the grace period and return a printable string for it.
406 timeprt(time_t seconds)
408 time_t hours, minutes;
417 minutes = (seconds + 30) / 60;
418 hours = (minutes + 30) / 60;
420 sprintf(buf, "%lddays", ((long)hours + 12) / 24);
424 sprintf(buf, "%2ld:%ld", (long)minutes / 60,
428 sprintf(buf, "%2ld", (long)minutes);
433 * Collect the requested quota information.
435 static struct quotause *
436 getprivs(long id, int quotatype)
438 struct quotause *qup, *quptail = NULL;
440 struct quotause *quphead;
444 qup = quphead = NULL;
446 nfst = getmntinfo(&fst, MNT_NOWAIT);
448 errx(2, "no filesystems mounted!");
450 for (i=0; i<nfst; i++) {
452 if ((qup = (struct quotause *)malloc(sizeof *qup))
454 errx(2, "out of memory");
456 if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
459 if (getnfsquota(&fst[i], qup, id, quotatype)
462 } else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
465 * UFS filesystems must be in /etc/fstab, and must
466 * indicate that they have quotas on (?!) This is quite
467 * unlike SunOS where quotas can be enabled/disabled
468 * on a filesystem independent of /etc/fstab, and it
469 * will still print quotas for them.
471 if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
473 if (getufsquota(fs, qup, id, quotatype) == 0)
477 strcpy(qup->fsname, fst[i].f_mntonname);
493 * Check to see if a particular quota is to be enabled.
496 ufshasquota(struct fstab *fs, int type, char **qfnamep)
498 static char initname, usrname[100], grpname[100];
499 static char buf[BUFSIZ];
503 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
504 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
507 strcpy(buf, fs->fs_mntops);
508 for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
509 if ((cp = strchr(opt, '=')))
511 if (type == USRQUOTA && strcmp(opt, usrname) == 0)
513 if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
522 sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
528 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
533 qcmd = QCMD(Q_GETQUOTA, quotatype);
534 if (!ufshasquota(fs, quotatype, &qfpathname))
537 if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
538 if ((fd = open(qfpathname, O_RDONLY)) < 0) {
539 warn("%s", qfpathname);
542 lseek(fd, (off_t)(id * sizeof(struct ufs_dqblk)), L_SET);
543 switch (read(fd, &qup->dqblk, sizeof(struct ufs_dqblk))) {
546 * Convert implicit 0 quota (EOF)
547 * into an explicit one (zero'ed dqblk)
549 bzero(&qup->dqblk, sizeof(struct ufs_dqblk));
551 case sizeof(struct ufs_dqblk): /* OK */
554 warn("read error: %s", qfpathname);
564 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
566 struct getquota_args gq_args;
567 struct getquota_rslt gq_rslt;
568 struct ufs_dqblk *dqp = &qup->dqblk;
572 if (fst->f_flags & MNT_LOCAL)
576 * rpc.rquotad does not support group quotas
578 if (quotatype != USRQUOTA)
582 * must be some form of "hostname:/path"
584 cp = strchr(fst->f_mntfromname, ':');
586 warnx("cannot find hostname for %s", fst->f_mntfromname);
591 if (*(cp+1) != '/') {
596 /* Avoid attempting the RPC for special amd(8) filesystems. */
597 if (strncmp(fst->f_mntfromname, "pid", 3) == 0 &&
598 strchr(fst->f_mntfromname, '@') != NULL) {
603 gq_args.gqa_pathp = cp + 1;
604 gq_args.gqa_uid = id;
605 if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
606 RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
607 (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
612 switch (gq_rslt.status) {
616 warnx("quota permission error, host: %s",
620 gettimeofday(&tv, NULL);
622 dqp->dqb_bhardlimit =
623 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
624 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
625 dqp->dqb_bsoftlimit =
626 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
627 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
629 gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
630 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
632 dqp->dqb_ihardlimit =
633 gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
634 dqp->dqb_isoftlimit =
635 gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
637 gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
640 tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
642 tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
646 warnx("bad rpc result, host: %s", fst->f_mntfromname);
654 callaurpc(char *host, int prognum, int versnum, int procnum,
655 xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
657 struct sockaddr_in server_addr;
658 enum clnt_stat clnt_stat;
660 struct timeval timeout, tottimeout;
662 CLIENT *client = NULL;
663 int sock = RPC_ANYSOCK;
665 if ((hp = gethostbyname(host)) == NULL)
666 return ((int) RPC_UNKNOWNHOST);
669 bcopy(hp->h_addr, &server_addr.sin_addr,
670 MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
671 server_addr.sin_family = AF_INET;
672 server_addr.sin_port = 0;
674 if ((client = clntudp_create(&server_addr, prognum,
675 versnum, timeout, &sock)) == NULL)
676 return ((int) rpc_createerr.cf_stat);
678 client->cl_auth = authunix_create_default();
679 tottimeout.tv_sec = 25;
680 tottimeout.tv_usec = 0;
681 clnt_stat = clnt_call(client, procnum, inproc, in,
682 outproc, out, tottimeout);
684 return ((int) clnt_stat);
696 } while ((c = *s++));