xref: /freebsd/usr.bin/quota/quota.c (revision 39beb93c) 
1 /*
2  * Copyright (c) 1980, 1990, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Robert Elz at The University of Melbourne.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
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.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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
34  * SUCH DAMAGE.
35  */
36 
37 #ifndef lint
38 static const char copyright[] =
39 "@(#) Copyright (c) 1980, 1990, 1993\n\
40 	The Regents of the University of California.  All rights reserved.\n";
41 #endif
42 
43 #ifndef lint
44 static const char sccsid[] = "from: @(#)quota.c	8.1 (Berkeley) 6/6/93";
45 #endif /* not lint */
46 
47 /*
48  * Disk quota reporting program.
49  */
50 #include <sys/cdefs.h>
51 __FBSDID("$FreeBSD$");
52 
53 #include <sys/param.h>
54 #include <sys/types.h>
55 #include <sys/file.h>
56 #include <sys/stat.h>
57 #include <sys/mount.h>
58 #include <sys/socket.h>
59 
60 #include <rpc/rpc.h>
61 #include <rpc/pmap_prot.h>
62 #include <rpcsvc/rquota.h>
63 
64 #include <ufs/ufs/quota.h>
65 
66 #include <ctype.h>
67 #include <err.h>
68 #include <fstab.h>
69 #include <grp.h>
70 #include <libutil.h>
71 #include <netdb.h>
72 #include <pwd.h>
73 #include <stdio.h>
74 #include <stdint.h>
75 #include <stdlib.h>
76 #include <string.h>
77 #include <time.h>
78 #include <unistd.h>
79 
80 const char *qfname = QUOTAFILENAME;
81 const char *qfextension[] = INITQFNAMES;
82 
83 struct quotause {
84 	struct	quotause *next;
85 	long	flags;
86 	struct	dqblk dqblk;
87 	char	fsname[MAXPATHLEN + 1];
88 };
89 
90 static char *timeprt(time_t seconds);
91 static struct quotause *getprivs(long id, int quotatype);
92 static void usage(void);
93 static int showuid(u_long uid);
94 static int showgid(u_long gid);
95 static int showusrname(char *name);
96 static int showgrpname(char *name);
97 static int showquotas(int type, u_long id, const char *name);
98 static void showrawquotas(int type, u_long id, struct quotause *qup);
99 static void heading(int type, u_long id, const char *name, const char *tag);
100 static int ufshasquota(struct fstab *fs, int type, char **qfnamep);
101 static int getufsquota(struct fstab *fs, struct quotause *qup, long id,
102 	int quotatype);
103 static int getnfsquota(struct statfs *fst, struct quotause *qup, long id,
104 	int quotatype);
105 static int callaurpc(char *host, int prognum, int versnum, int procnum,
106 	xdrproc_t inproc, char *in, xdrproc_t outproc, char *out);
107 static int alldigits(char *s);
108 
109 int	hflag;
110 int	lflag;
111 int	rflag;
112 int	qflag;
113 int	vflag;
114 char	*filename = NULL;
115 
116 int
117 main(int argc, char *argv[])
118 {
119 	int ngroups;
120 	gid_t mygid, gidset[NGROUPS];
121 	int i, ch, gflag = 0, uflag = 0, errflag = 0;
122 
123 	while ((ch = getopt(argc, argv, "f:ghlrquv")) != -1) {
124 		switch(ch) {
125 		case 'f':
126 			filename = optarg;
127 			break;
128 		case 'g':
129 			gflag++;
130 			break;
131 		case 'h':
132 			hflag++;
133 			break;
134 		case 'l':
135 			lflag++;
136 			break;
137 		case 'q':
138 			qflag++;
139 			break;
140 		case 'r':
141 			rflag++;
142 			break;
143 		case 'u':
144 			uflag++;
145 			break;
146 		case 'v':
147 			vflag++;
148 			break;
149 		default:
150 			usage();
151 		}
152 	}
153 	argc -= optind;
154 	argv += optind;
155 	if (!uflag && !gflag)
156 		uflag++;
157 	if (argc == 0) {
158 		if (uflag)
159 			errflag += showuid(getuid());
160 		if (gflag) {
161 			mygid = getgid();
162 			ngroups = getgroups(NGROUPS, gidset);
163 			if (ngroups < 0)
164 				err(1, "getgroups");
165 			errflag += showgid(mygid);
166 			for (i = 0; i < ngroups; i++)
167 				if (gidset[i] != mygid)
168 					errflag += showgid(gidset[i]);
169 		}
170 		return(errflag);
171 	}
172 	if (uflag && gflag)
173 		usage();
174 	if (uflag) {
175 		for (; argc > 0; argc--, argv++) {
176 			if (alldigits(*argv))
177 				errflag += showuid(atoi(*argv));
178 			else
179 				errflag += showusrname(*argv);
180 		}
181 		return(errflag);
182 	}
183 	if (gflag) {
184 		for (; argc > 0; argc--, argv++) {
185 			if (alldigits(*argv))
186 				errflag += showgid(atoi(*argv));
187 			else
188 				errflag += showgrpname(*argv);
189 		}
190 	}
191 	return(errflag);
192 }
193 
194 static void
195 usage(void)
196 {
197 
198 	fprintf(stderr, "%s\n%s\n%s\n",
199 	    "usage: quota [-ghlu] [-f path] [-v | -q | -r]",
200 	    "       quota [-hlu] [-f path] [-v | -q | -r] user ...",
201 	    "       quota -g [-hl] [-f path] [-v | -q | -r] group ...");
202 	exit(1);
203 }
204 
205 /*
206  * Print out quotas for a specified user identifier.
207  */
208 static int
209 showuid(u_long uid)
210 {
211 	struct passwd *pwd = getpwuid(uid);
212 	const char *name;
213 
214 	if (pwd == NULL)
215 		name = "(no account)";
216 	else
217 		name = pwd->pw_name;
218 	return(showquotas(USRQUOTA, uid, name));
219 }
220 
221 /*
222  * Print out quotas for a specifed user name.
223  */
224 static int
225 showusrname(char *name)
226 {
227 	struct passwd *pwd = getpwnam(name);
228 
229 	if (pwd == NULL) {
230 		warnx("%s: unknown user", name);
231 		return(1);
232 	}
233 	return(showquotas(USRQUOTA, pwd->pw_uid, name));
234 }
235 
236 /*
237  * Print out quotas for a specified group identifier.
238  */
239 static int
240 showgid(u_long gid)
241 {
242 	struct group *grp = getgrgid(gid);
243 	const char *name;
244 
245 	if (grp == NULL)
246 		name = "(no entry)";
247 	else
248 		name = grp->gr_name;
249 	return(showquotas(GRPQUOTA, gid, name));
250 }
251 
252 /*
253  * Print out quotas for a specifed group name.
254  */
255 static int
256 showgrpname(char *name)
257 {
258 	struct group *grp = getgrnam(name);
259 
260 	if (grp == NULL) {
261 		warnx("%s: unknown group", name);
262 		return(1);
263 	}
264 	return(showquotas(GRPQUOTA, grp->gr_gid, name));
265 }
266 
267 static void
268 prthumanval(int len, int64_t bytes)
269 {
270 	char buf[len + 1];
271 
272 	humanize_number(buf, sizeof(buf), bytes, "", HN_AUTOSCALE,
273 	    HN_B | HN_NOSPACE | HN_DECIMAL);
274 
275 	(void)printf(" %*s", len, buf);
276 }
277 
278 static int
279 showquotas(int type, u_long id, const char *name)
280 {
281 	struct quotause *qup;
282 	struct quotause *quplist;
283 	const char *msgi, *msgb;
284 	const char *nam;
285 	char *bgrace = NULL, *igrace = NULL;
286 	int lines = 0, overquota = 0;
287 	static time_t now;
288 
289 	if (now == 0)
290 		time(&now);
291 	quplist = getprivs(id, type);
292 	for (qup = quplist; qup; qup = qup->next) {
293 		msgi = (char *)0;
294 		if (qup->dqblk.dqb_ihardlimit &&
295 		    qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_ihardlimit) {
296 			overquota++;
297 			msgi = "File limit reached on";
298 		}
299 		else if (qup->dqblk.dqb_isoftlimit &&
300 		    qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_isoftlimit) {
301 			overquota++;
302 			if (qup->dqblk.dqb_itime > now)
303 				msgi = "In file grace period on";
304 			else
305 				msgi = "Over file quota on";
306 		}
307 		msgb = (char *)0;
308 		if (qup->dqblk.dqb_bhardlimit &&
309 		    qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bhardlimit) {
310 			overquota++;
311 			msgb = "Block limit reached on";
312 		}
313 		else if (qup->dqblk.dqb_bsoftlimit &&
314 		    qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bsoftlimit) {
315 			overquota++;
316 			if (qup->dqblk.dqb_btime > now)
317 				msgb = "In block grace period on";
318 			else
319 				msgb = "Over block quota on";
320 		}
321 		if (rflag) {
322 			showrawquotas(type, id, qup);
323 			continue;
324 		}
325 		if (!vflag &&
326 		    qup->dqblk.dqb_isoftlimit == 0 &&
327 		    qup->dqblk.dqb_ihardlimit == 0 &&
328 		    qup->dqblk.dqb_bsoftlimit == 0 &&
329 		    qup->dqblk.dqb_bhardlimit == 0)
330 			continue;
331 		if (qflag) {
332 			if ((msgi != (char *)0 || msgb != (char *)0) &&
333 			    lines++ == 0)
334 				heading(type, id, name, "");
335 			if (msgi != (char *)0)
336 				printf("\t%s %s\n", msgi, qup->fsname);
337 			if (msgb != (char *)0)
338 				printf("\t%s %s\n", msgb, qup->fsname);
339 			continue;
340 		}
341 		if (vflag ||
342 		    qup->dqblk.dqb_curblocks ||
343 		    qup->dqblk.dqb_curinodes) {
344 			if (lines++ == 0)
345 				heading(type, id, name, "");
346 			nam = qup->fsname;
347 			if (strlen(qup->fsname) > 15) {
348 				printf("%s\n", qup->fsname);
349 				nam = "";
350 			}
351 			printf("%15s", nam);
352 			if (hflag) {
353 				printf("   ");
354 				prthumanval(4, dbtob(qup->dqblk.dqb_curblocks));
355 				printf("%c  ", (msgb == (char *)0) ? ' ' : '*');
356 				prthumanval(4, dbtob(qup->dqblk.dqb_bsoftlimit));
357 				printf("   ");
358 				prthumanval(4, dbtob(qup->dqblk.dqb_bhardlimit));
359 			} else {
360 				printf(" %7ju%c %6ju %7ju",
361 				    (uintmax_t)(dbtob(qup->dqblk.dqb_curblocks)
362 					/ 1024),
363 				    (msgb == NULL) ? ' ' : '*',
364 				    (uintmax_t)(dbtob(qup->dqblk.dqb_bsoftlimit)
365 					/ 1024),
366 				    (uintmax_t)(dbtob(qup->dqblk.dqb_bhardlimit)
367 					/ 1024));
368 			}
369 			if (msgb != NULL)
370 				bgrace = timeprt(qup->dqblk.dqb_btime);
371 			if (msgi != NULL)
372 				igrace = timeprt(qup->dqblk.dqb_itime);
373 			printf(" %7s %7ju%c %6ju %7ju %7s\n",
374 			    (msgb == NULL) ? "" : bgrace,
375 			    (uintmax_t)qup->dqblk.dqb_curinodes,
376 			    (msgi == NULL) ? ' ' : '*',
377 			    (uintmax_t)qup->dqblk.dqb_isoftlimit,
378 			    (uintmax_t)qup->dqblk.dqb_ihardlimit,
379 			    (msgi == NULL) ? "" : igrace
380 			);
381 			if (msgb != NULL)
382 				free(bgrace);
383 			if (msgi != NULL)
384 				free(igrace);
385 			continue;
386 		}
387 	}
388 	if (!qflag && !rflag && lines == 0)
389 		heading(type, id, name, "none");
390 	return(overquota);
391 }
392 
393 static void
394 showrawquotas(int type, u_long id, struct quotause *qup)
395 {
396 	time_t tt;
397 	printf("Raw %s quota information for id %lu on %s\n",
398 	    type == USRQUOTA ? "user" : "group", id, qup->fsname);
399 	printf("block hard limit:     %ju\n", (uintmax_t)qup->dqblk.dqb_bhardlimit);
400 	printf("block soft limit:     %ju\n", (uintmax_t)qup->dqblk.dqb_bsoftlimit);
401 	printf("current block count:  %ju\n", (uintmax_t)qup->dqblk.dqb_curblocks);
402 	printf("i-node hard limit:    %ju\n", (uintmax_t)qup->dqblk.dqb_ihardlimit);
403 	printf("i-node soft limit:    %ju\n", (uintmax_t)qup->dqblk.dqb_isoftlimit);
404 	printf("current i-node count: %ju\n", (uintmax_t)qup->dqblk.dqb_curinodes);
405 	printf("block grace time:     %jd", (intmax_t)qup->dqblk.dqb_btime);
406 	if (qup->dqblk.dqb_btime != 0) {
407 		tt = qup->dqblk.dqb_btime;
408 		printf(" %s", ctime(&tt));
409 	} else
410 		printf("\n");
411 	printf("i-node grace time:    %jd", (intmax_t)qup->dqblk.dqb_itime);
412 	if (qup->dqblk.dqb_itime != 0) {
413 		tt = qup->dqblk.dqb_itime;
414 		printf(" %s", ctime(&tt));
415 	} else
416 		printf("\n");
417 }
418 
419 
420 static void
421 heading(int type, u_long id, const char *name, const char *tag)
422 {
423 
424 	printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
425 	    name, *qfextension[type], id, tag);
426 	if (!qflag && tag[0] == '\0') {
427 		printf("%15s %7s  %6s %7s %7s %7s  %6s %7s %7s\n"
428 			, "Filesystem"
429 			, "usage"
430 			, "quota"
431 			, "limit"
432 			, "grace"
433 			, "files"
434 			, "quota"
435 			, "limit"
436 			, "grace"
437 		);
438 	}
439 }
440 
441 /*
442  * Calculate the grace period and return a printable string for it.
443  */
444 static char *
445 timeprt(time_t seconds)
446 {
447 	time_t hours, minutes;
448 	char	*buf;
449 	static time_t now;
450 
451 	if (now == 0)
452 		time(&now);
453 	if (now > seconds) {
454 		return strdup("none");
455 	}
456 	seconds -= now;
457 	minutes = (seconds + 30) / 60;
458 	hours = (minutes + 30) / 60;
459 	if (hours >= 36) {
460 		if (asprintf(&buf, "%lddays", ((long)hours + 12) / 24) < 0)
461 			errx(1, "asprintf failed in timeprt(1)");
462 		return (buf);
463 	}
464 	if (minutes >= 60) {
465 		if (asprintf(&buf, "%2ld:%ld", (long)minutes / 60,
466 		    (long)minutes % 60) < 0)
467 			errx(1, "asprintf failed in timeprt(2)");
468 		return (buf);
469 	}
470 	if (asprintf(&buf, "%2ld", (long)minutes) < 0)
471 		errx(1, "asprintf failed in timeprt(3)");
472 	return (buf);
473 }
474 
475 /*
476  * Collect the requested quota information.
477  */
478 static struct quotause *
479 getprivs(long id, int quotatype)
480 {
481 	struct quotause *qup, *quptail = NULL;
482 	struct fstab *fs;
483 	struct quotause *quphead;
484 	struct statfs *fst;
485 	int nfst, i;
486 	struct statfs sfb;
487 
488 	qup = quphead = (struct quotause *)0;
489 
490 	if (filename != NULL && statfs(filename, &sfb) != 0)
491 		err(1, "cannot statfs %s", filename);
492 	nfst = getmntinfo(&fst, MNT_NOWAIT);
493 	if (nfst == 0)
494 		errx(2, "no filesystems mounted!");
495 	setfsent();
496 	for (i=0; i<nfst; i++) {
497 		if (qup == NULL) {
498 			if ((qup = (struct quotause *)malloc(sizeof *qup))
499 			    == NULL)
500 				errx(2, "out of memory");
501 		}
502 		/*
503 		 * See if the user requested a specific file system
504 		 * or specified a file inside a mounted file system.
505 		 */
506 		if (filename != NULL &&
507 		    strcmp(sfb.f_mntonname, fst[i].f_mntonname) != 0)
508 			continue;
509 		if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
510 			if (lflag)
511 				continue;
512 			if (getnfsquota(&fst[i], qup, id, quotatype) == 0)
513 				continue;
514 		} else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
515 			/*
516 			 * XXX
517 			 * UFS filesystems must be in /etc/fstab, and must
518 			 * indicate that they have quotas on (?!) This is quite
519 			 * unlike SunOS where quotas can be enabled/disabled
520 			 * on a filesystem independent of /etc/fstab, and it
521 			 * will still print quotas for them.
522 			 */
523 			if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
524 				continue;
525 			if (getufsquota(fs, qup, id, quotatype) == 0)
526 				continue;
527 		} else
528 			continue;
529 		strcpy(qup->fsname, fst[i].f_mntonname);
530 		if (quphead == NULL)
531 			quphead = qup;
532 		else
533 			quptail->next = qup;
534 		quptail = qup;
535 		quptail->next = 0;
536 		qup = NULL;
537 	}
538 	if (qup)
539 		free(qup);
540 	endfsent();
541 	return (quphead);
542 }
543 
544 /*
545  * Check to see if a particular quota is to be enabled.
546  */
547 static int
548 ufshasquota(struct fstab *fs, int type, char **qfnamep)
549 {
550 	char *opt;
551 	char *cp;
552 	struct statfs sfb;
553 	static char initname, usrname[100], grpname[100];
554 	static char buf[BUFSIZ];
555 
556 	if (!initname) {
557 		(void)snprintf(usrname, sizeof(usrname), "%s%s",
558 		    qfextension[USRQUOTA], qfname);
559 		(void)snprintf(grpname, sizeof(grpname), "%s%s",
560 		    qfextension[GRPQUOTA], qfname);
561 		initname = 1;
562 	}
563 	strcpy(buf, fs->fs_mntops);
564 	for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
565 		if ((cp = index(opt, '=')))
566 			*cp++ = '\0';
567 		if (type == USRQUOTA && strcmp(opt, usrname) == 0)
568 			break;
569 		if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
570 			break;
571 	}
572 	if (!opt)
573 		return (0);
574 	if (cp)
575 		*qfnamep = cp;
576 	else {
577 		(void)snprintf(buf, sizeof(buf), "%s/%s.%s", fs->fs_file,
578 		    qfname, qfextension[type]);
579 		*qfnamep = buf;
580 	}
581 	if (statfs(fs->fs_file, &sfb) != 0) {
582 		warn("cannot statfs mount point %s", fs->fs_file);
583 		return (0);
584 	}
585 	if (strcmp(fs->fs_file, sfb.f_mntonname)) {
586 		warnx("%s not mounted for %s quotas", fs->fs_file,
587 		    type == USRQUOTA ? "user" : "group");
588 		return (0);
589 	}
590 	return (1);
591 }
592 
593 static int
594 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
595 {
596 	char *qfpathname;
597 	int fd, qcmd;
598 
599 	qcmd = QCMD(Q_GETQUOTA, quotatype);
600 	if (!ufshasquota(fs, quotatype, &qfpathname))
601 		return (0);
602 
603 	if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
604 		if ((fd = open(qfpathname, O_RDONLY)) < 0) {
605 			warn("%s", qfpathname);
606 			return (0);
607 		}
608 		(void) lseek(fd, (off_t)(id * sizeof(struct dqblk)), L_SET);
609 		switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) {
610 		case 0:				/* EOF */
611 			/*
612 			 * Convert implicit 0 quota (EOF)
613 			 * into an explicit one (zero'ed dqblk)
614 			 */
615 			bzero((caddr_t)&qup->dqblk, sizeof(struct dqblk));
616 			break;
617 		case sizeof(struct dqblk):	/* OK */
618 			break;
619 		default:		/* ERROR */
620 			warn("read error: %s", qfpathname);
621 			close(fd);
622 			return (0);
623 		}
624 		close(fd);
625 	}
626 	return (1);
627 }
628 
629 static int
630 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
631 {
632 	struct getquota_args gq_args;
633 	struct getquota_rslt gq_rslt;
634 	struct dqblk *dqp = &qup->dqblk;
635 	struct timeval tv;
636 	char *cp;
637 
638 	if (fst->f_flags & MNT_LOCAL)
639 		return (0);
640 
641 	/*
642 	 * rpc.rquotad does not support group quotas
643 	 */
644 	if (quotatype != USRQUOTA)
645 		return (0);
646 
647 	/*
648 	 * must be some form of "hostname:/path"
649 	 */
650 	cp = strchr(fst->f_mntfromname, ':');
651 	if (cp == NULL) {
652 		warnx("cannot find hostname for %s", fst->f_mntfromname);
653 		return (0);
654 	}
655 
656 	*cp = '\0';
657 	if (*(cp+1) != '/') {
658 		*cp = ':';
659 		return (0);
660 	}
661 
662 	/* Avoid attempting the RPC for special amd(8) filesystems. */
663 	if (strncmp(fst->f_mntfromname, "pid", 3) == 0 &&
664 	    strchr(fst->f_mntfromname, '@') != NULL) {
665 		*cp = ':';
666 		return (0);
667 	}
668 
669 	gq_args.gqa_pathp = cp + 1;
670 	gq_args.gqa_uid = id;
671 	if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
672 	    RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
673 	    (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
674 		*cp = ':';
675 		return (0);
676 	}
677 
678 	switch (gq_rslt.status) {
679 	case Q_NOQUOTA:
680 		break;
681 	case Q_EPERM:
682 		warnx("quota permission error, host: %s",
683 			fst->f_mntfromname);
684 		break;
685 	case Q_OK:
686 		gettimeofday(&tv, NULL);
687 			/* blocks*/
688 		dqp->dqb_bhardlimit =
689 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
690 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
691 		dqp->dqb_bsoftlimit =
692 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
693 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
694 		dqp->dqb_curblocks =
695 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
696 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
697 			/* inodes */
698 		dqp->dqb_ihardlimit =
699 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
700 		dqp->dqb_isoftlimit =
701 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
702 		dqp->dqb_curinodes =
703 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
704 			/* grace times */
705 		dqp->dqb_btime =
706 		    tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
707 		dqp->dqb_itime =
708 		    tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
709 		*cp = ':';
710 		return (1);
711 	default:
712 		warnx("bad rpc result, host: %s", fst->f_mntfromname);
713 		break;
714 	}
715 	*cp = ':';
716 	return (0);
717 }
718 
719 static int
720 callaurpc(char *host, int prognum, int versnum, int procnum,
721     xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
722 {
723 	struct sockaddr_in server_addr;
724 	enum clnt_stat clnt_stat;
725 	struct hostent *hp;
726 	struct timeval timeout, tottimeout;
727 
728 	CLIENT *client = NULL;
729 	int sock = RPC_ANYSOCK;
730 
731 	if ((hp = gethostbyname(host)) == NULL)
732 		return ((int) RPC_UNKNOWNHOST);
733 	timeout.tv_usec = 0;
734 	timeout.tv_sec = 6;
735 	bcopy(hp->h_addr, &server_addr.sin_addr,
736 			MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
737 	server_addr.sin_family = AF_INET;
738 	server_addr.sin_port =  0;
739 
740 	if ((client = clntudp_create(&server_addr, prognum,
741 	    versnum, timeout, &sock)) == NULL)
742 		return ((int) rpc_createerr.cf_stat);
743 
744 	client->cl_auth = authunix_create_default();
745 	tottimeout.tv_sec = 25;
746 	tottimeout.tv_usec = 0;
747 	clnt_stat = clnt_call(client, procnum, inproc, in,
748 	    outproc, out, tottimeout);
749 
750 	return ((int) clnt_stat);
751 }
752 
753 static int
754 alldigits(char *s)
755 {
756 	int c;
757 
758 	c = *s++;
759 	do {
760 		if (!isdigit(c))
761 			return (0);
762 	} while ((c = *s++));
763 	return (1);
764 }
765