xref: /freebsd/usr.bin/quota/quota.c (revision 3f0164abf32b9b761e0a2cb4bdca3a8b84f156d4)
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  * 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.
19  *
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
30  * SUCH DAMAGE.
31  */
32 
33 #ifndef lint
34 static const char copyright[] =
35 "@(#) Copyright (c) 1980, 1990, 1993\n\
36 	The Regents of the University of California.  All rights reserved.\n";
37 #endif
38 
39 #ifndef lint
40 static const char sccsid[] = "from: @(#)quota.c	8.1 (Berkeley) 6/6/93";
41 #endif /* not lint */
42 
43 /*
44  * Disk quota reporting program.
45  */
46 #include <sys/cdefs.h>
47 __FBSDID("$FreeBSD$");
48 
49 #include <sys/param.h>
50 #include <sys/types.h>
51 #include <sys/file.h>
52 #include <sys/stat.h>
53 #include <sys/mount.h>
54 #include <sys/socket.h>
55 
56 #include <rpc/rpc.h>
57 #include <rpc/pmap_prot.h>
58 #include <rpcsvc/rquota.h>
59 
60 #include <ufs/ufs/quota.h>
61 
62 #include <ctype.h>
63 #include <err.h>
64 #include <fstab.h>
65 #include <grp.h>
66 #include <libutil.h>
67 #include <netdb.h>
68 #include <pwd.h>
69 #include <stdio.h>
70 #include <stdint.h>
71 #include <stdlib.h>
72 #include <string.h>
73 #include <time.h>
74 #include <unistd.h>
75 
76 static const char *qfextension[] = INITQFNAMES;
77 
78 struct quotause {
79 	struct	quotause *next;
80 	long	flags;
81 	struct	dqblk dqblk;
82 	char	fsname[MAXPATHLEN + 1];
83 };
84 
85 static char *timeprt(int64_t seconds);
86 static struct quotause *getprivs(long id, int quotatype);
87 static void usage(void);
88 static int showuid(u_long uid);
89 static int showgid(u_long gid);
90 static int showusrname(char *name);
91 static int showgrpname(char *name);
92 static int showquotas(int type, u_long id, const char *name);
93 static void showrawquotas(int type, u_long id, struct quotause *qup);
94 static void heading(int type, u_long id, const char *name, const char *tag);
95 static int getufsquota(struct fstab *fs, struct quotause *qup, long id,
96 	int quotatype);
97 static int getnfsquota(struct statfs *fst, struct quotause *qup, long id,
98 	int quotatype);
99 static int callaurpc(char *host, int prognum, int versnum, int procnum,
100 	xdrproc_t inproc, char *in, xdrproc_t outproc, char *out);
101 static int alldigits(char *s);
102 
103 static int	hflag;
104 static int	lflag;
105 static int	rflag;
106 static int	qflag;
107 static int	vflag;
108 static char	*filename = NULL;
109 
110 int
111 main(int argc, char *argv[])
112 {
113 	int ngroups;
114 	gid_t mygid, gidset[NGROUPS];
115 	int i, ch, gflag = 0, uflag = 0, errflag = 0;
116 
117 	while ((ch = getopt(argc, argv, "f:ghlrquv")) != -1) {
118 		switch(ch) {
119 		case 'f':
120 			filename = optarg;
121 			break;
122 		case 'g':
123 			gflag++;
124 			break;
125 		case 'h':
126 			hflag++;
127 			break;
128 		case 'l':
129 			lflag++;
130 			break;
131 		case 'q':
132 			qflag++;
133 			break;
134 		case 'r':
135 			rflag++;
136 			break;
137 		case 'u':
138 			uflag++;
139 			break;
140 		case 'v':
141 			vflag++;
142 			break;
143 		default:
144 			usage();
145 		}
146 	}
147 	argc -= optind;
148 	argv += optind;
149 	if (!uflag && !gflag)
150 		uflag++;
151 	if (argc == 0) {
152 		if (uflag)
153 			errflag += showuid(getuid());
154 		if (gflag) {
155 			mygid = getgid();
156 			ngroups = getgroups(NGROUPS, gidset);
157 			if (ngroups < 0)
158 				err(1, "getgroups");
159 			errflag += showgid(mygid);
160 			for (i = 0; i < ngroups; i++)
161 				if (gidset[i] != mygid)
162 					errflag += showgid(gidset[i]);
163 		}
164 		return(errflag);
165 	}
166 	if (uflag && gflag)
167 		usage();
168 	if (uflag) {
169 		for (; argc > 0; argc--, argv++) {
170 			if (alldigits(*argv))
171 				errflag += showuid(atoi(*argv));
172 			else
173 				errflag += showusrname(*argv);
174 		}
175 		return(errflag);
176 	}
177 	if (gflag) {
178 		for (; argc > 0; argc--, argv++) {
179 			if (alldigits(*argv))
180 				errflag += showgid(atoi(*argv));
181 			else
182 				errflag += showgrpname(*argv);
183 		}
184 	}
185 	return(errflag);
186 }
187 
188 static void
189 usage(void)
190 {
191 
192 	fprintf(stderr, "%s\n%s\n%s\n",
193 	    "usage: quota [-ghlu] [-f path] [-v | -q | -r]",
194 	    "       quota [-hlu] [-f path] [-v | -q | -r] user ...",
195 	    "       quota -g [-hl] [-f path] [-v | -q | -r] group ...");
196 	exit(1);
197 }
198 
199 /*
200  * Print out quotas for a specified user identifier.
201  */
202 static int
203 showuid(u_long uid)
204 {
205 	struct passwd *pwd = getpwuid(uid);
206 	const char *name;
207 
208 	if (pwd == NULL)
209 		name = "(no account)";
210 	else
211 		name = pwd->pw_name;
212 	return(showquotas(USRQUOTA, uid, name));
213 }
214 
215 /*
216  * Print out quotas for a specifed user name.
217  */
218 static int
219 showusrname(char *name)
220 {
221 	struct passwd *pwd = getpwnam(name);
222 
223 	if (pwd == NULL) {
224 		warnx("%s: unknown user", name);
225 		return(1);
226 	}
227 	return(showquotas(USRQUOTA, pwd->pw_uid, name));
228 }
229 
230 /*
231  * Print out quotas for a specified group identifier.
232  */
233 static int
234 showgid(u_long gid)
235 {
236 	struct group *grp = getgrgid(gid);
237 	const char *name;
238 
239 	if (grp == NULL)
240 		name = "(no entry)";
241 	else
242 		name = grp->gr_name;
243 	return(showquotas(GRPQUOTA, gid, name));
244 }
245 
246 /*
247  * Print out quotas for a specifed group name.
248  */
249 static int
250 showgrpname(char *name)
251 {
252 	struct group *grp = getgrnam(name);
253 
254 	if (grp == NULL) {
255 		warnx("%s: unknown group", name);
256 		return(1);
257 	}
258 	return(showquotas(GRPQUOTA, grp->gr_gid, name));
259 }
260 
261 static void
262 prthumanval(int len, u_int64_t bytes)
263 {
264 	char buf[len + 1];
265 
266 	/*
267 	 * Limit the width to 5 bytes as that is what users expect.
268 	 */
269 	humanize_number(buf, sizeof(buf) < 5 ? sizeof(buf) : 5, bytes, "",
270 	    HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
271 
272 	(void)printf(" %*s", len, buf);
273 }
274 
275 static int
276 showquotas(int type, u_long id, const char *name)
277 {
278 	struct quotause *qup;
279 	struct quotause *quplist;
280 	const char *msgi, *msgb;
281 	const char *nam;
282 	char *bgrace = NULL, *igrace = NULL;
283 	int lines = 0, overquota = 0;
284 	static time_t now;
285 
286 	if (now == 0)
287 		time(&now);
288 	quplist = getprivs(id, type);
289 	for (qup = quplist; qup; qup = qup->next) {
290 		msgi = NULL;
291 		if (qup->dqblk.dqb_ihardlimit &&
292 		    qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_ihardlimit) {
293 			overquota++;
294 			msgi = "File limit reached on";
295 		}
296 		else if (qup->dqblk.dqb_isoftlimit &&
297 		    qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_isoftlimit) {
298 			overquota++;
299 			if (qup->dqblk.dqb_itime > now)
300 				msgi = "In file grace period on";
301 			else
302 				msgi = "Over file quota on";
303 		}
304 		msgb = NULL;
305 		if (qup->dqblk.dqb_bhardlimit &&
306 		    qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bhardlimit) {
307 			overquota++;
308 			msgb = "Block limit reached on";
309 		}
310 		else if (qup->dqblk.dqb_bsoftlimit &&
311 		    qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bsoftlimit) {
312 			overquota++;
313 			if (qup->dqblk.dqb_btime > now)
314 				msgb = "In block grace period on";
315 			else
316 				msgb = "Over block quota on";
317 		}
318 		if (rflag) {
319 			showrawquotas(type, id, qup);
320 			continue;
321 		}
322 		if (!vflag &&
323 		    qup->dqblk.dqb_isoftlimit == 0 &&
324 		    qup->dqblk.dqb_ihardlimit == 0 &&
325 		    qup->dqblk.dqb_bsoftlimit == 0 &&
326 		    qup->dqblk.dqb_bhardlimit == 0)
327 			continue;
328 		if (qflag) {
329 			if ((msgi != NULL || msgb != NULL) &&
330 			    lines++ == 0)
331 				heading(type, id, name, "");
332 			if (msgi != NULL)
333 				printf("\t%s %s\n", msgi, qup->fsname);
334 			if (msgb != NULL)
335 				printf("\t%s %s\n", msgb, qup->fsname);
336 			continue;
337 		}
338 		if (!vflag &&
339 		    qup->dqblk.dqb_curblocks == 0 &&
340 		    qup->dqblk.dqb_curinodes == 0)
341 			continue;
342 		if (lines++ == 0)
343 			heading(type, id, name, "");
344 		nam = qup->fsname;
345 		if (strlen(qup->fsname) > 15) {
346 			printf("%s\n", qup->fsname);
347 			nam = "";
348 		}
349 		printf("%-15s", nam);
350 		if (hflag) {
351 			prthumanval(7, dbtob(qup->dqblk.dqb_curblocks));
352 			printf("%c", (msgb == NULL) ? ' ' : '*');
353 			prthumanval(7, dbtob(qup->dqblk.dqb_bsoftlimit));
354 			prthumanval(7, dbtob(qup->dqblk.dqb_bhardlimit));
355 		} else {
356 			printf(" %7ju%c %7ju %7ju",
357 			    (uintmax_t)dbtob(qup->dqblk.dqb_curblocks)
358 				/ 1024,
359 			    (msgb == NULL) ? ' ' : '*',
360 			    (uintmax_t)dbtob(qup->dqblk.dqb_bsoftlimit)
361 				/ 1024,
362 			    (uintmax_t)dbtob(qup->dqblk.dqb_bhardlimit)
363 				/ 1024);
364 		}
365 		if (msgb != NULL)
366 			bgrace = timeprt(qup->dqblk.dqb_btime);
367 		if (msgi != NULL)
368 			igrace = timeprt(qup->dqblk.dqb_itime);
369 		printf("%8s %6ju%c %6ju %6ju%8s\n"
370 			, (msgb == NULL) ? "" : bgrace
371 			, (uintmax_t)qup->dqblk.dqb_curinodes
372 			, (msgi == NULL) ? ' ' : '*'
373 			, (uintmax_t)qup->dqblk.dqb_isoftlimit
374 			, (uintmax_t)qup->dqblk.dqb_ihardlimit
375 			, (msgi == NULL) ? "" : igrace
376 		);
377 		if (msgb != NULL)
378 			free(bgrace);
379 		if (msgi != NULL)
380 			free(igrace);
381 	}
382 	if (!qflag && !rflag && lines == 0)
383 		heading(type, id, name, "none");
384 	return (overquota);
385 }
386 
387 static void
388 showrawquotas(int type, u_long id, struct quotause *qup)
389 {
390 	time_t t;
391 
392 	printf("Raw %s quota information for id %lu on %s\n",
393 	    type == USRQUOTA ? "user" : "group", id, qup->fsname);
394 	printf("block hard limit:     %ju\n",
395 	    (uintmax_t)qup->dqblk.dqb_bhardlimit);
396 	printf("block soft limit:     %ju\n",
397 	    (uintmax_t)qup->dqblk.dqb_bsoftlimit);
398 	printf("current block count:  %ju\n",
399 	    (uintmax_t)qup->dqblk.dqb_curblocks);
400 	printf("i-node hard limit:    %ju\n",
401 	    (uintmax_t)qup->dqblk.dqb_ihardlimit);
402 	printf("i-node soft limit:    %ju\n",
403 	    (uintmax_t)qup->dqblk.dqb_isoftlimit);
404 	printf("current i-node count: %ju\n",
405 	    (uintmax_t)qup->dqblk.dqb_curinodes);
406 	printf("block grace time:     %jd",
407 	    (intmax_t)qup->dqblk.dqb_btime);
408 	if (qup->dqblk.dqb_btime != 0) {
409 		t = qup->dqblk.dqb_btime;
410 		printf(" %s", ctime(&t));
411 	} else {
412 		printf("\n");
413 	}
414 	printf("i-node grace time:    %jd", (intmax_t)qup->dqblk.dqb_itime);
415 	if (qup->dqblk.dqb_itime != 0) {
416 		t = qup->dqblk.dqb_itime;
417 		printf(" %s", ctime(&t));
418 	} else {
419 		printf("\n");
420 	}
421 }
422 
423 
424 static void
425 heading(int type, u_long id, const char *name, const char *tag)
426 {
427 
428 	printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
429 	    name, *qfextension[type], id, tag);
430 	if (!qflag && tag[0] == '\0') {
431 		printf("%-15s %7s %8s %7s %7s %6s %7s %6s%8s\n"
432 			, "Filesystem"
433 			, "usage"
434 			, "quota"
435 			, "limit"
436 			, "grace"
437 			, "files"
438 			, "quota"
439 			, "limit"
440 			, "grace"
441 		);
442 	}
443 }
444 
445 /*
446  * Calculate the grace period and return a printable string for it.
447  */
448 static char *
449 timeprt(int64_t seconds)
450 {
451 	time_t hours, minutes;
452 	char *buf;
453 	static time_t now;
454 
455 	if (now == 0)
456 		time(&now);
457 	if (now > seconds) {
458 		if ((buf = strdup("none")) == NULL)
459 			errx(1, "strdup() failed in timeprt()");
460 		return (buf);
461 	}
462 	seconds -= now;
463 	minutes = (seconds + 30) / 60;
464 	hours = (minutes + 30) / 60;
465 	if (hours >= 36) {
466 		if (asprintf(&buf, "%lddays", ((long)hours + 12) / 24) < 0)
467 			errx(1, "asprintf() failed in timeprt(1)");
468 		return (buf);
469 	}
470 	if (minutes >= 60) {
471 		if (asprintf(&buf, "%2ld:%ld", (long)minutes / 60,
472 		    (long)minutes % 60) < 0)
473 			errx(1, "asprintf() failed in timeprt(2)");
474 		return (buf);
475 	}
476 	if (asprintf(&buf, "%2ld", (long)minutes) < 0)
477 		errx(1, "asprintf() failed in timeprt(3)");
478 	return (buf);
479 }
480 
481 /*
482  * Collect the requested quota information.
483  */
484 static struct quotause *
485 getprivs(long id, int quotatype)
486 {
487 	struct quotause *qup, *quptail = NULL;
488 	struct fstab *fs;
489 	struct quotause *quphead;
490 	struct statfs *fst;
491 	int nfst, i;
492 	struct statfs sfb;
493 
494 	qup = quphead = (struct quotause *)0;
495 
496 	if (filename != NULL && statfs(filename, &sfb) != 0)
497 		err(1, "cannot statfs %s", filename);
498 	nfst = getmntinfo(&fst, MNT_NOWAIT);
499 	if (nfst == 0)
500 		errx(2, "no filesystems mounted!");
501 	setfsent();
502 	for (i = 0; i < nfst; i++) {
503 		if (qup == NULL) {
504 			if ((qup = (struct quotause *)malloc(sizeof *qup))
505 			    == NULL)
506 				errx(2, "out of memory");
507 		}
508 		/*
509 		 * See if the user requested a specific file system
510 		 * or specified a file inside a mounted file system.
511 		 */
512 		if (filename != NULL &&
513 		    strcmp(sfb.f_mntonname, fst[i].f_mntonname) != 0)
514 			continue;
515 		if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
516 			if (lflag)
517 				continue;
518 			if (getnfsquota(&fst[i], qup, id, quotatype) == 0)
519 				continue;
520 		} else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
521 			/*
522 			 * XXX
523 			 * UFS filesystems must be in /etc/fstab, and must
524 			 * indicate that they have quotas on (?!) This is quite
525 			 * unlike SunOS where quotas can be enabled/disabled
526 			 * on a filesystem independent of /etc/fstab, and it
527 			 * will still print quotas for them.
528 			 */
529 			if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
530 				continue;
531 			if (getufsquota(fs, qup, id, quotatype) == 0)
532 				continue;
533 		} else
534 			continue;
535 		strcpy(qup->fsname, fst[i].f_mntonname);
536 		if (quphead == NULL)
537 			quphead = qup;
538 		else
539 			quptail->next = qup;
540 		quptail = qup;
541 		quptail->next = 0;
542 		qup = NULL;
543 	}
544 	if (qup)
545 		free(qup);
546 	endfsent();
547 	return (quphead);
548 }
549 
550 /*
551  * Check to see if a particular quota is available.
552  */
553 static int
554 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
555 {
556 	struct quotafile *qf;
557 
558 	if ((qf = quota_open(fs, quotatype, O_RDONLY)) == NULL)
559 		return (0);
560 	if (quota_read(qf, &qup->dqblk, id) != 0)
561 		return (0);
562 	quota_close(qf);
563 	return (1);
564 }
565 
566 static int
567 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
568 {
569 	struct getquota_args gq_args;
570 	struct getquota_rslt gq_rslt;
571 	struct dqblk *dqp = &qup->dqblk;
572 	struct timeval tv;
573 	char *cp;
574 
575 	if (fst->f_flags & MNT_LOCAL)
576 		return (0);
577 
578 	/*
579 	 * rpc.rquotad does not support group quotas
580 	 */
581 	if (quotatype != USRQUOTA)
582 		return (0);
583 
584 	/*
585 	 * must be some form of "hostname:/path"
586 	 */
587 	cp = strchr(fst->f_mntfromname, ':');
588 	if (cp == NULL) {
589 		warnx("cannot find hostname for %s", fst->f_mntfromname);
590 		return (0);
591 	}
592 
593 	*cp = '\0';
594 	if (*(cp+1) != '/') {
595 		*cp = ':';
596 		return (0);
597 	}
598 
599 	/* Avoid attempting the RPC for special amd(8) filesystems. */
600 	if (strncmp(fst->f_mntfromname, "pid", 3) == 0 &&
601 	    strchr(fst->f_mntfromname, '@') != NULL) {
602 		*cp = ':';
603 		return (0);
604 	}
605 
606 	gq_args.gqa_pathp = cp + 1;
607 	gq_args.gqa_uid = id;
608 	if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
609 	    RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
610 	    (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
611 		*cp = ':';
612 		return (0);
613 	}
614 
615 	switch (gq_rslt.status) {
616 	case Q_NOQUOTA:
617 		break;
618 	case Q_EPERM:
619 		warnx("quota permission error, host: %s",
620 			fst->f_mntfromname);
621 		break;
622 	case Q_OK:
623 		gettimeofday(&tv, NULL);
624 			/* blocks*/
625 		dqp->dqb_bhardlimit =
626 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
627 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
628 		dqp->dqb_bsoftlimit =
629 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
630 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
631 		dqp->dqb_curblocks =
632 		    gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
633 		    (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
634 			/* inodes */
635 		dqp->dqb_ihardlimit =
636 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
637 		dqp->dqb_isoftlimit =
638 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
639 		dqp->dqb_curinodes =
640 			gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
641 			/* grace times */
642 		dqp->dqb_btime =
643 		    tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
644 		dqp->dqb_itime =
645 		    tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
646 		*cp = ':';
647 		return (1);
648 	default:
649 		warnx("bad rpc result, host: %s", fst->f_mntfromname);
650 		break;
651 	}
652 	*cp = ':';
653 	return (0);
654 }
655 
656 static int
657 callaurpc(char *host, int prognum, int versnum, int procnum,
658     xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
659 {
660 	struct sockaddr_in server_addr;
661 	enum clnt_stat clnt_stat;
662 	struct hostent *hp;
663 	struct timeval timeout, tottimeout;
664 
665 	CLIENT *client = NULL;
666 	int sock = RPC_ANYSOCK;
667 
668 	if ((hp = gethostbyname(host)) == NULL)
669 		return ((int) RPC_UNKNOWNHOST);
670 	timeout.tv_usec = 0;
671 	timeout.tv_sec = 6;
672 	bcopy(hp->h_addr, &server_addr.sin_addr,
673 			MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
674 	server_addr.sin_family = AF_INET;
675 	server_addr.sin_port =  0;
676 
677 	if ((client = clntudp_create(&server_addr, prognum,
678 	    versnum, timeout, &sock)) == NULL)
679 		return ((int) rpc_createerr.cf_stat);
680 
681 	client->cl_auth = authunix_create_default();
682 	tottimeout.tv_sec = 25;
683 	tottimeout.tv_usec = 0;
684 	clnt_stat = clnt_call(client, procnum, inproc, in,
685 	    outproc, out, tottimeout);
686 
687 	return ((int) clnt_stat);
688 }
689 
690 static int
691 alldigits(char *s)
692 {
693 	int c;
694 
695 	c = *s++;
696 	do {
697 		if (!isdigit(c))
698 			return (0);
699 	} while ((c = *s++));
700 	return (1);
701 }
702