xref: /freebsd/usr.bin/quota/quota.c (revision 35a04710d7286aa9538917fd7f8e417dbee95b82)
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, *igrace;
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 				prthumanval(7, dbtob(qup->dqblk.dqb_curblocks));
354 				printf("%c", (msgb == (char *)0) ? ' ' : '*');
355 				prthumanval(6, dbtob(qup->dqblk.dqb_bsoftlimit));
356 				prthumanval(7, dbtob(qup->dqblk.dqb_bhardlimit));
357 			} else {
358 				printf(" %7ju%c %6ju %7ju",
359 				    (uintmax_t)(dbtob(qup->dqblk.dqb_curblocks)
360 					/ 1024),
361 				    (msgb == NULL) ? ' ' : '*',
362 				    (uintmax_t)(dbtob(qup->dqblk.dqb_bsoftlimit)
363 					/ 1024),
364 				    (uintmax_t)(dbtob(qup->dqblk.dqb_bhardlimit)
365 					/ 1024));
366 			}
367 			if (msgb != NULL)
368 				bgrace = timeprt(qup->dqblk.dqb_btime);
369 			if (msgi != NULL)
370 				igrace = timeprt(qup->dqblk.dqb_itime);
371 			printf(" %7s %7ju%c %6ju %7ju %7s\n",
372 			    (msgb == NULL) ? "" : bgrace,
373 			    (uintmax_t)qup->dqblk.dqb_curinodes,
374 			    (msgi == NULL) ? ' ' : '*',
375 			    (uintmax_t)qup->dqblk.dqb_isoftlimit,
376 			    (uintmax_t)qup->dqblk.dqb_ihardlimit,
377 			    (msgi == NULL) ? "" : igrace
378 			);
379 			if (msgb != NULL)
380 				free(bgrace);
381 			if (msgi != NULL)
382 				free(igrace);
383 			continue;
384 		}
385 	}
386 	if (!qflag && !rflag && lines == 0)
387 		heading(type, id, name, "none");
388 	return(overquota);
389 }
390 
391 static void
392 showrawquotas(type, id, qup)
393 	int type;
394 	u_long id;
395 	struct quotause *qup;
396 {
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 		printf(" %s", ctime(&qup->dqblk.dqb_btime));
408 	else
409 		printf("\n");
410 	printf("i-node grace time:    %jd", (intmax_t)qup->dqblk.dqb_itime);
411 	if (qup->dqblk.dqb_itime != 0)
412 		printf(" %s", ctime(&qup->dqblk.dqb_itime));
413 	else
414 		printf("\n");
415 }
416 
417 
418 static void
419 heading(int type, u_long id, const char *name, const char *tag)
420 {
421 
422 	printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
423 	    name, *qfextension[type], id, tag);
424 	if (!qflag && tag[0] == '\0') {
425 		printf("%15s %7s  %6s %7s %7s %7s  %6s %7s %7s\n"
426 			, "Filesystem"
427 			, "usage"
428 			, "quota"
429 			, "limit"
430 			, "grace"
431 			, "files"
432 			, "quota"
433 			, "limit"
434 			, "grace"
435 		);
436 	}
437 }
438 
439 /*
440  * Calculate the grace period and return a printable string for it.
441  */
442 static char *
443 timeprt(time_t seconds)
444 {
445 	time_t hours, minutes;
446 	char	*buf;
447 	static time_t now;
448 
449 	if (now == 0)
450 		time(&now);
451 	if (now > seconds) {
452 		return strdup("none");
453 	}
454 	seconds -= now;
455 	minutes = (seconds + 30) / 60;
456 	hours = (minutes + 30) / 60;
457 	if (hours >= 36) {
458 		if (asprintf(&buf, "%lddays", ((long)hours + 12) / 24) < 0)
459 			errx(1, "asprintf failed in timeprt(1)");
460 		return (buf);
461 	}
462 	if (minutes >= 60) {
463 		if (asprintf(&buf, "%2ld:%ld", (long)minutes / 60,
464 		    (long)minutes % 60) < 0)
465 			errx(1, "asprintf failed in timeprt(2)");
466 		return (buf);
467 	}
468 	if (asprintf(&buf, "%2ld", (long)minutes) < 0)
469 		errx(1, "asprintf failed in timeprt(3)");
470 	return (buf);
471 }
472 
473 /*
474  * Collect the requested quota information.
475  */
476 static struct quotause *
477 getprivs(long id, int quotatype)
478 {
479 	struct quotause *qup, *quptail = NULL;
480 	struct fstab *fs;
481 	struct quotause *quphead;
482 	struct statfs *fst;
483 	int nfst, i;
484 	struct statfs sfb;
485 
486 	qup = quphead = (struct quotause *)0;
487 
488 	if (filename != NULL && statfs(filename, &sfb) != 0)
489 		err(1, "cannot statfs %s", filename);
490 	nfst = getmntinfo(&fst, MNT_NOWAIT);
491 	if (nfst == 0)
492 		errx(2, "no filesystems mounted!");
493 	setfsent();
494 	for (i=0; i<nfst; i++) {
495 		if (qup == NULL) {
496 			if ((qup = (struct quotause *)malloc(sizeof *qup))
497 			    == NULL)
498 				errx(2, "out of memory");
499 		}
500 		/*
501 		 * See if the user requested a specific file system
502 		 * or specified a file inside a mounted file system.
503 		 */
504 		if (filename != NULL &&
505 		    strcmp(sfb.f_mntonname, fst[i].f_mntonname) != 0)
506 			continue;
507 		if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
508 			if (lflag)
509 				continue;
510 			if (getnfsquota(&fst[i], qup, id, quotatype) == 0)
511 				continue;
512 		} else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
513 			/*
514 			 * XXX
515 			 * UFS filesystems must be in /etc/fstab, and must
516 			 * indicate that they have quotas on (?!) This is quite
517 			 * unlike SunOS where quotas can be enabled/disabled
518 			 * on a filesystem independent of /etc/fstab, and it
519 			 * will still print quotas for them.
520 			 */
521 			if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
522 				continue;
523 			if (getufsquota(fs, qup, id, quotatype) == 0)
524 				continue;
525 		} else
526 			continue;
527 		strcpy(qup->fsname, fst[i].f_mntonname);
528 		if (quphead == NULL)
529 			quphead = qup;
530 		else
531 			quptail->next = qup;
532 		quptail = qup;
533 		quptail->next = 0;
534 		qup = NULL;
535 	}
536 	if (qup)
537 		free(qup);
538 	endfsent();
539 	return (quphead);
540 }
541 
542 /*
543  * Check to see if a particular quota is to be enabled.
544  */
545 static int
546 ufshasquota(struct fstab *fs, int type, char **qfnamep)
547 {
548 	char *opt;
549 	char *cp;
550 	struct statfs sfb;
551 	static char initname, usrname[100], grpname[100];
552 	static char buf[BUFSIZ];
553 
554 	if (!initname) {
555 		(void)snprintf(usrname, sizeof(usrname), "%s%s",
556 		    qfextension[USRQUOTA], qfname);
557 		(void)snprintf(grpname, sizeof(grpname), "%s%s",
558 		    qfextension[GRPQUOTA], qfname);
559 		initname = 1;
560 	}
561 	strcpy(buf, fs->fs_mntops);
562 	for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
563 		if ((cp = index(opt, '=')))
564 			*cp++ = '\0';
565 		if (type == USRQUOTA && strcmp(opt, usrname) == 0)
566 			break;
567 		if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
568 			break;
569 	}
570 	if (!opt)
571 		return (0);
572 	if (cp)
573 		*qfnamep = cp;
574 	else {
575 		(void)snprintf(buf, sizeof(buf), "%s/%s.%s", fs->fs_file,
576 		    qfname, qfextension[type]);
577 		*qfnamep = buf;
578 	}
579 	if (statfs(fs->fs_file, &sfb) != 0) {
580 		warn("cannot statfs mount point %s", fs->fs_file);
581 		return (0);
582 	}
583 	if (strcmp(fs->fs_file, sfb.f_mntonname)) {
584 		warnx("%s not mounted for %s quotas", fs->fs_file,
585 		    type == USRQUOTA ? "user" : "group");
586 		return (0);
587 	}
588 	return (1);
589 }
590 
591 static int
592 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
593 {
594 	char *qfpathname;
595 	int fd, qcmd;
596 
597 	qcmd = QCMD(Q_GETQUOTA, quotatype);
598 	if (!ufshasquota(fs, quotatype, &qfpathname))
599 		return (0);
600 
601 	if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
602 		if ((fd = open(qfpathname, O_RDONLY)) < 0) {
603 			warn("%s", qfpathname);
604 			return (0);
605 		}
606 		(void) lseek(fd, (off_t)(id * sizeof(struct dqblk)), L_SET);
607 		switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) {
608 		case 0:				/* EOF */
609 			/*
610 			 * Convert implicit 0 quota (EOF)
611 			 * into an explicit one (zero'ed dqblk)
612 			 */
613 			bzero((caddr_t)&qup->dqblk, sizeof(struct dqblk));
614 			break;
615 		case sizeof(struct dqblk):	/* OK */
616 			break;
617 		default:		/* ERROR */
618 			warn("read error: %s", qfpathname);
619 			close(fd);
620 			return (0);
621 		}
622 		close(fd);
623 	}
624 	return (1);
625 }
626 
627 static int
628 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
629 {
630 	struct getquota_args gq_args;
631 	struct getquota_rslt gq_rslt;
632 	struct dqblk *dqp = &qup->dqblk;
633 	struct timeval tv;
634 	char *cp;
635 
636 	if (fst->f_flags & MNT_LOCAL)
637 		return (0);
638 
639 	/*
640 	 * rpc.rquotad does not support group quotas
641 	 */
642 	if (quotatype != USRQUOTA)
643 		return (0);
644 
645 	/*
646 	 * must be some form of "hostname:/path"
647 	 */
648 	cp = strchr(fst->f_mntfromname, ':');
649 	if (cp == NULL) {
650 		warnx("cannot find hostname for %s", fst->f_mntfromname);
651 		return (0);
652 	}
653 
654 	*cp = '\0';
655 	if (*(cp+1) != '/') {
656 		*cp = ':';
657 		return (0);
658 	}
659 
660 	/* Avoid attempting the RPC for special amd(8) filesystems. */
661 	if (strncmp(fst->f_mntfromname, "pid", 3) == 0 &&
662 	    strchr(fst->f_mntfromname, '@') != NULL) {
663 		*cp = ':';
664 		return (0);
665 	}
666 
667 	gq_args.gqa_pathp = cp + 1;
668 	gq_args.gqa_uid = id;
669 	if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
670 	    RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
671 	    (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
672 		*cp = ':';
673 		return (0);
674 	}
675 
676 	switch (gq_rslt.status) {
677 	case Q_NOQUOTA:
678 		break;
679 	case Q_EPERM:
680 		warnx("quota permission error, host: %s",
681 			fst->f_mntfromname);
682 		break;
683 	case Q_OK:
684 		gettimeofday(&tv, NULL);
685 			/* blocks*/
686 		dqp->dqb_bhardlimit =
687 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
688 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
689 		dqp->dqb_bsoftlimit =
690 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
691 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
692 		dqp->dqb_curblocks =
693 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
694 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
695 			/* inodes */
696 		dqp->dqb_ihardlimit =
697 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
698 		dqp->dqb_isoftlimit =
699 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
700 		dqp->dqb_curinodes =
701 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
702 			/* grace times */
703 		dqp->dqb_btime =
704 		    tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
705 		dqp->dqb_itime =
706 		    tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
707 		*cp = ':';
708 		return (1);
709 	default:
710 		warnx("bad rpc result, host: %s", fst->f_mntfromname);
711 		break;
712 	}
713 	*cp = ':';
714 	return (0);
715 }
716 
717 static int
718 callaurpc(char *host, int prognum, int versnum, int procnum,
719     xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
720 {
721 	struct sockaddr_in server_addr;
722 	enum clnt_stat clnt_stat;
723 	struct hostent *hp;
724 	struct timeval timeout, tottimeout;
725 
726 	CLIENT *client = NULL;
727 	int sock = RPC_ANYSOCK;
728 
729 	if ((hp = gethostbyname(host)) == NULL)
730 		return ((int) RPC_UNKNOWNHOST);
731 	timeout.tv_usec = 0;
732 	timeout.tv_sec = 6;
733 	bcopy(hp->h_addr, &server_addr.sin_addr,
734 			MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
735 	server_addr.sin_family = AF_INET;
736 	server_addr.sin_port =  0;
737 
738 	if ((client = clntudp_create(&server_addr, prognum,
739 	    versnum, timeout, &sock)) == NULL)
740 		return ((int) rpc_createerr.cf_stat);
741 
742 	client->cl_auth = authunix_create_default();
743 	tottimeout.tv_sec = 25;
744 	tottimeout.tv_usec = 0;
745 	clnt_stat = clnt_call(client, procnum, inproc, in,
746 	    outproc, out, tottimeout);
747 
748 	return ((int) clnt_stat);
749 }
750 
751 static int
752 alldigits(char *s)
753 {
754 	int c;
755 
756 	c = *s++;
757 	do {
758 		if (!isdigit(c))
759 			return (0);
760 	} while ((c = *s++));
761 	return (1);
762 }
763