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. 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
32 * @(#) Copyright (c) 1980, 1990, 1993 The Regents of the University of California. All rights reserved.
33 * @(#)quota.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/quota/quota.c,v 1.11.2.5 2002/11/30 23:54:21 iedowse Exp $
38 * Disk quota reporting program.
41 #include <sys/param.h>
42 #include <sys/types.h>
45 #include <sys/mount.h>
46 #include <sys/socket.h>
49 #include <rpc/pmap_prot.h>
50 #include <rpcsvc/rquota.h>
52 #include <vfs/ufs/quota.h>
65 const char *qfname = QUOTAFILENAME;
66 const char *qfextension[] = INITQFNAMES;
69 struct quotause *next;
71 struct ufs_dqblk dqblk;
72 char fsname[MAXPATHLEN + 1];
76 static const char *timeprt(time_t);
77 static struct quotause *getprivs(long, int);
78 static void usage(void);
79 static void showuid(u_long);
80 static void showgid(u_long);
81 static int alldigits(char *);
82 static void showusrname(char *);
83 static void showgrpname(char *);
84 static void showquotas(int, u_long, const char *);
85 static void heading(int, u_long, const char *, const char *);
86 static int ufshasquota(struct fstab *, int, char **);
87 static int getufsquota(struct fstab *, struct quotause *, long, int);
88 static int getnfsquota(struct statfs *, struct quotause *, long, int);
89 static int callaurpc(char *, int, int, int, xdrproc_t, char *, xdrproc_t,
97 main(int argc, char *argv[])
100 gid_t mygid, gidset[NGROUPS];
101 int i, gflag = 0, uflag = 0;
104 while ((ch = getopt(argc, argv, "glquv")) != -1) {
127 if (!uflag && !gflag)
134 ngroups = getgroups(NGROUPS, gidset);
138 for (i = 0; i < ngroups; i++)
139 if (gidset[i] != mygid)
147 for (; argc > 0; argc--, argv++) {
148 if (alldigits(*argv))
149 showuid(atoi(*argv));
156 for (; argc > 0; argc--, argv++) {
157 if (alldigits(*argv))
158 showgid(atoi(*argv));
170 fprintf(stderr, "%s\n%s\n%s\n",
171 "usage: quota [-glu] [-v | -q]",
172 " quota [-lu] [-v | -q] user ...",
173 " quota -g [-l] [-v | -q] group ...");
178 * Print out quotas for a specified user identifier.
183 struct passwd *pwd = getpwuid(uid);
188 name = "(no account)";
192 if (uid != myuid && myuid != 0) {
193 printf("quota: %s (uid %lu): permission denied\n", name, uid);
196 showquotas(USRQUOTA, uid, name);
200 * Print out quotas for a specifed user name.
203 showusrname(char *name)
205 struct passwd *pwd = getpwnam(name);
209 warnx("%s: unknown user", name);
213 if (pwd->pw_uid != myuid && myuid != 0) {
214 warnx("%s (uid %u): permission denied", name, pwd->pw_uid);
217 showquotas(USRQUOTA, pwd->pw_uid, name);
221 * Print out quotas for a specified group identifier.
226 struct group *grp = getgrgid(gid);
228 gid_t mygid, gidset[NGROUPS];
237 ngroups = getgroups(NGROUPS, gidset);
243 for (i = 0; i < ngroups; i++)
244 if (gid == gidset[i])
246 if (i >= ngroups && getuid() != 0) {
247 warnx("%s (gid %lu): permission denied", name, gid);
251 showquotas(GRPQUOTA, gid, name);
255 * Print out quotas for a specifed group name.
258 showgrpname(char *name)
260 struct group *grp = getgrnam(name);
262 gid_t mygid, gidset[NGROUPS];
266 warnx("%s: unknown group", name);
270 ngroups = getgroups(NGROUPS, gidset);
275 if (grp->gr_gid != mygid) {
276 for (i = 0; i < ngroups; i++)
277 if (grp->gr_gid == gidset[i])
279 if (i >= ngroups && getuid() != 0) {
280 warnx("%s (gid %u): permission denied", name,
285 showquotas(GRPQUOTA, grp->gr_gid, name);
289 showquotas(int type, u_long id, const char *name)
291 struct quotause *qup;
292 struct quotause *quplist;
293 const char *msgi, *msgb;
300 quplist = getprivs(id, type);
301 for (qup = quplist; qup; qup = qup->next) {
303 qup->dqblk.dqb_isoftlimit == 0 &&
304 qup->dqblk.dqb_ihardlimit == 0 &&
305 qup->dqblk.dqb_bsoftlimit == 0 &&
306 qup->dqblk.dqb_bhardlimit == 0)
309 if (qup->dqblk.dqb_ihardlimit &&
310 qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_ihardlimit)
311 msgi = "File limit reached on";
312 else if (qup->dqblk.dqb_isoftlimit &&
313 qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_isoftlimit) {
314 if (qup->dqblk.dqb_itime > now)
315 msgi = "In file grace period on";
317 msgi = "Over file quota on";
320 if (qup->dqblk.dqb_bhardlimit &&
321 qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bhardlimit)
322 msgb = "Block limit reached on";
323 else if (qup->dqblk.dqb_bsoftlimit &&
324 qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bsoftlimit) {
325 if (qup->dqblk.dqb_btime > now)
326 msgb = "In block grace period on";
328 msgb = "Over block quota on";
331 if ((msgi != NULL || msgb != NULL) &&
333 heading(type, id, name, "");
335 printf("\t%s %s\n", msgi, qup->fsname);
337 printf("\t%s %s\n", msgb, qup->fsname);
341 qup->dqblk.dqb_curblocks ||
342 qup->dqblk.dqb_curinodes) {
344 heading(type, id, name, "");
346 if (strlen(qup->fsname) > 15) {
347 printf("%s\n", qup->fsname);
350 printf("%15s%8lu%c%7lu%8lu%8s"
352 , (u_long) (dbtob(qup->dqblk.dqb_curblocks)
354 , (msgb == NULL) ? ' ' : '*'
355 , (u_long) (dbtob(qup->dqblk.dqb_bsoftlimit)
357 , (u_long) (dbtob(qup->dqblk.dqb_bhardlimit)
359 , (msgb == NULL) ? ""
360 :timeprt(qup->dqblk.dqb_btime));
361 printf("%8lu%c%7lu%8lu%8s\n"
362 , (u_long)qup->dqblk.dqb_curinodes
363 , (msgi == NULL) ? ' ' : '*'
364 , (u_long)qup->dqblk.dqb_isoftlimit
365 , (u_long)qup->dqblk.dqb_ihardlimit
366 , (msgi == NULL) ? ""
367 : timeprt(qup->dqblk.dqb_itime)
372 if (!qflag && lines == 0)
373 heading(type, id, name, "none");
377 heading(int type, u_long id, const char *name, const char *tag)
380 printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
381 name, *qfextension[type], id, tag);
382 if (!qflag && tag[0] == '\0') {
383 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n"
398 * Calculate the grace period and return a printable string for it.
401 timeprt(time_t seconds)
403 time_t hours, minutes;
412 minutes = (seconds + 30) / 60;
413 hours = (minutes + 30) / 60;
415 sprintf(buf, "%lddays", ((long)hours + 12) / 24);
419 sprintf(buf, "%2ld:%ld", (long)minutes / 60,
423 sprintf(buf, "%2ld", (long)minutes);
428 * Collect the requested quota information.
430 static struct quotause *
431 getprivs(long id, int quotatype)
433 struct quotause *qup, *quptail = NULL;
435 struct quotause *quphead;
439 qup = quphead = NULL;
441 nfst = getmntinfo(&fst, MNT_NOWAIT);
443 errx(2, "no filesystems mounted!");
445 for (i=0; i<nfst; i++) {
447 if ((qup = (struct quotause *)malloc(sizeof *qup))
449 errx(2, "out of memory");
451 if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
454 if (getnfsquota(&fst[i], qup, id, quotatype)
457 } else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
460 * UFS filesystems must be in /etc/fstab, and must
461 * indicate that they have quotas on (?!) This is quite
462 * unlike SunOS where quotas can be enabled/disabled
463 * on a filesystem independent of /etc/fstab, and it
464 * will still print quotas for them.
466 if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
468 if (getufsquota(fs, qup, id, quotatype) == 0)
472 strcpy(qup->fsname, fst[i].f_mntonname);
478 quptail->next = NULL;
488 * Check to see if a particular quota is to be enabled.
491 ufshasquota(struct fstab *fs, int type, char **qfnamep)
493 static char initname, usrname[100], grpname[100];
494 static char buf[BUFSIZ];
498 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
499 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
502 strcpy(buf, fs->fs_mntops);
503 for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
504 if ((cp = strchr(opt, '=')))
506 if (type == USRQUOTA && strcmp(opt, usrname) == 0)
508 if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
517 sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
523 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
528 qcmd = QCMD(Q_GETQUOTA, quotatype);
529 if (!ufshasquota(fs, quotatype, &qfpathname))
532 if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
533 if ((fd = open(qfpathname, O_RDONLY)) < 0) {
534 warn("%s", qfpathname);
537 lseek(fd, (off_t)(id * sizeof(struct ufs_dqblk)), L_SET);
538 switch (read(fd, &qup->dqblk, sizeof(struct ufs_dqblk))) {
541 * Convert implicit 0 quota (EOF)
542 * into an explicit one (zero'ed dqblk)
544 bzero(&qup->dqblk, sizeof(struct ufs_dqblk));
546 case sizeof(struct ufs_dqblk): /* OK */
549 warn("read error: %s", qfpathname);
559 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
561 struct getquota_args gq_args;
562 struct getquota_rslt gq_rslt;
563 struct ufs_dqblk *dqp = &qup->dqblk;
567 if (fst->f_flags & MNT_LOCAL)
571 * rpc.rquotad does not support group quotas
573 if (quotatype != USRQUOTA)
577 * must be some form of "hostname:/path"
579 cp = strchr(fst->f_mntfromname, ':');
581 warnx("cannot find hostname for %s", fst->f_mntfromname);
586 if (*(cp+1) != '/') {
591 gq_args.gqa_pathp = cp + 1;
592 gq_args.gqa_uid = id;
593 if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
594 RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
595 (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
600 switch (gq_rslt.status) {
604 warnx("quota permission error, host: %s",
608 gettimeofday(&tv, NULL);
610 dqp->dqb_bhardlimit =
611 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
612 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
613 dqp->dqb_bsoftlimit =
614 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
615 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
617 gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
618 gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
620 dqp->dqb_ihardlimit =
621 gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
622 dqp->dqb_isoftlimit =
623 gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
625 gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
628 tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
630 tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
634 warnx("bad rpc result, host: %s", fst->f_mntfromname);
642 callaurpc(char *host, int prognum, int versnum, int procnum,
643 xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
645 struct sockaddr_in server_addr;
646 enum clnt_stat clnt_stat;
648 struct timeval timeout, tottimeout;
650 CLIENT *client = NULL;
651 int sock = RPC_ANYSOCK;
653 if ((hp = gethostbyname(host)) == NULL)
654 return ((int) RPC_UNKNOWNHOST);
657 bcopy(hp->h_addr, &server_addr.sin_addr,
658 MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
659 server_addr.sin_family = AF_INET;
660 server_addr.sin_port = 0;
662 if ((client = clntudp_create(&server_addr, prognum,
663 versnum, timeout, &sock)) == NULL)
664 return ((int) rpc_createerr.cf_stat);
666 client->cl_auth = authunix_create_default();
667 tottimeout.tv_sec = 25;
668 tottimeout.tv_usec = 0;
669 clnt_stat = clnt_call(client, procnum, inproc, in,
670 outproc, out, tottimeout);
672 return ((int) clnt_stat);
684 } while ((c = *s++));