GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/edquota/edquota.c Lines: 0 367 0.0 %
Date: 2017-11-13 Branches: 0 225 0.0 %

Line Branch Exec Source
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. 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
/*
34
 * Disk quota editor.
35
 */
36
#include <sys/param.h>	/* btodb dbtob */
37
#include <sys/stat.h>
38
#include <sys/file.h>
39
#include <sys/wait.h>
40
#include <ufs/ufs/quota.h>
41
42
#include <ctype.h>
43
#include <err.h>
44
#include <errno.h>
45
#include <fstab.h>
46
#include <grp.h>
47
#include <paths.h>
48
#include <pwd.h>
49
#include <stdio.h>
50
#include <signal.h>
51
#include <stdlib.h>
52
#include <string.h>
53
#include <unistd.h>
54
#include <limits.h>
55
56
char *qfname = QUOTAFILENAME;
57
char *qfextension[] = INITQFNAMES;
58
char *quotagroup = QUOTAGROUP;
59
char tmpfil[] = "/tmp/edquota.XXXXXXXXXX";
60
61
struct quotause {
62
	struct	quotause *next;
63
	long	flags;
64
	struct	dqblk dqblk;
65
	char	fsname[PATH_MAX];
66
	char	qfname[1];	/* actually longer */
67
} *getprivs(u_int, int);
68
#define	FOUND	0x01
69
70
void	usage(void);
71
int	getentry(char *, int, u_int *);
72
struct quotause *
73
	getprivs(u_int, int);
74
void	putprivs(long, int, struct quotause *);
75
int	editit(const char *);
76
int	writeprivs(struct quotause *, int, char *, int);
77
int	readprivs(struct quotause *, int);
78
int	writetimes(struct quotause *, int, int);
79
int	readtimes(struct quotause *, int);
80
char *	cvtstoa(time_t);
81
int	cvtatos(long long, char *, time_t *);
82
void	freeprivs(struct quotause *);
83
int	alldigits(char *s);
84
int	hasquota(struct fstab *, int, char **);
85
86
void
87
usage(void)
88
{
89
	(void)fprintf(stderr, "%s%s%s%s",
90
	    "usage: edquota [-u] [-p proto-username] username | uid ...\n",
91
	    "       edquota -g [-p proto-groupname] groupname | gid ...\n",
92
	    "       edquota -t [-u]\n",
93
	    "       edquota -g -t\n");
94
	exit(1);
95
}
96
97
int
98
main(int argc, char *argv[])
99
{
100
	struct quotause *qup, *protoprivs, *curprivs;
101
	u_int id, protoid;
102
	int quotatype, tmpfd;
103
	char *protoname = NULL;
104
	int ch;
105
	int tflag = 0, pflag = 0;
106
107
	if (argc < 2)
108
		usage();
109
	if (getuid())
110
		errx(1, "%s", strerror(EPERM));
111
	quotatype = USRQUOTA;
112
	while ((ch = getopt(argc, argv, "ugtp:")) != -1) {
113
		switch(ch) {
114
		case 'p':
115
			protoname = optarg;
116
			pflag = 1;
117
			break;
118
		case 'g':
119
			quotatype = GRPQUOTA;
120
			break;
121
		case 'u':
122
			quotatype = USRQUOTA;
123
			break;
124
		case 't':
125
			tflag = 1;
126
			break;
127
		default:
128
			usage();
129
		}
130
	}
131
	argc -= optind;
132
	argv += optind;
133
	if (pflag) {
134
		if (getentry(protoname, quotatype, &protoid) == -1)
135
			exit(1);
136
		protoprivs = getprivs(protoid, quotatype);
137
		for (qup = protoprivs; qup; qup = qup->next) {
138
			qup->dqblk.dqb_btime = 0;
139
			qup->dqblk.dqb_itime = 0;
140
		}
141
		while (argc-- > 0) {
142
			if (getentry(*argv++, quotatype, &id) == -1)
143
				continue;
144
			putprivs(id, quotatype, protoprivs);
145
		}
146
		exit(0);
147
	}
148
	if ((tmpfd = mkstemp(tmpfil)) == -1)
149
		errx(1, "%s", tmpfil);
150
	if (tflag) {
151
		protoprivs = getprivs(0, quotatype);
152
		if (writetimes(protoprivs, tmpfd, quotatype) == 0) {
153
			unlink(tmpfil);
154
			exit(1);
155
		}
156
		if (editit(tmpfil) == -1) {
157
			int saved_errno = errno;
158
			unlink(tmpfil);
159
			errc(1, saved_errno, "error starting editor");
160
		}
161
		if (readtimes(protoprivs, tmpfd))
162
			putprivs(0, quotatype, protoprivs);
163
		freeprivs(protoprivs);
164
		unlink(tmpfil);
165
		exit(0);
166
	}
167
	for ( ; argc > 0; argc--, argv++) {
168
		if (getentry(*argv, quotatype, &id) == -1)
169
			continue;
170
		curprivs = getprivs(id, quotatype);
171
		if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0)
172
			continue;
173
		if (editit(tmpfil) == -1) {
174
			warn("error starting editor");
175
			continue;
176
		}
177
		if (readprivs(curprivs, tmpfd))
178
			putprivs(id, quotatype, curprivs);
179
		freeprivs(curprivs);
180
	}
181
	close(tmpfd);
182
	unlink(tmpfil);
183
	exit(0);
184
}
185
186
/*
187
 * This routine converts a name for a particular quota type to
188
 * an identifier. This routine must agree with the kernel routine
189
 * getinoquota as to the interpretation of quota types.
190
 */
191
int
192
getentry(char *name, int quotatype, u_int *idp)
193
{
194
	struct passwd *pw;
195
	struct group *gr;
196
	u_int id;
197
198
	switch(quotatype) {
199
	case USRQUOTA:
200
		if ((pw = getpwnam(name))) {
201
			*idp = pw->pw_uid;
202
			return 0;
203
		} else if (alldigits(name)) {
204
			if ((id = strtoul(name, NULL, 10)) <= UID_MAX) {
205
				*idp = id;
206
				return 0;
207
			}
208
		}
209
		warnx("%s: no such user", name);
210
		break;
211
	case GRPQUOTA:
212
		if ((gr = getgrnam(name))) {
213
			*idp = gr->gr_gid;
214
			return 0;
215
		} else if (alldigits(name)) {
216
			if ((id = strtoul(name, NULL, 10)) <= GID_MAX) {
217
				*idp = id;
218
				return (0);
219
			}
220
		}
221
		warnx("%s: no such group", name);
222
		break;
223
	default:
224
		warnx("%d: unknown quota type", quotatype);
225
		break;
226
	}
227
	sleep(1);
228
	return(-1);
229
}
230
231
/*
232
 * Collect the requested quota information.
233
 */
234
struct quotause *
235
getprivs(u_int id, int quotatype)
236
{
237
	struct fstab *fs;
238
	struct quotause *qup, *quptail;
239
	struct quotause *quphead;
240
	int qcmd, qupsize, fd;
241
	u_int mid;
242
	char *qfpathname;
243
	static int warned = 0;
244
	size_t qfpathnamelen;
245
246
	setfsent();
247
	quphead = NULL;
248
	qcmd = QCMD(Q_GETQUOTA, quotatype);
249
	while ((fs = getfsent())) {
250
		if (strcmp(fs->fs_vfstype, "ffs") &&
251
		    strcmp(fs->fs_vfstype, "ufs") &&
252
		    strcmp(fs->fs_vfstype, "mfs"))
253
			continue;
254
		if (!hasquota(fs, quotatype, &qfpathname))
255
			continue;
256
		qfpathnamelen = strlen(qfpathname);
257
		qupsize = sizeof(*qup) + qfpathnamelen;
258
		if ((qup = malloc(qupsize)) == NULL)
259
			errx(2, "out of memory");
260
		if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
261
	    		if (errno == EOPNOTSUPP && !warned) {
262
				warned++;
263
				(void)fprintf(stderr, "Warning: %s\n",
264
				    "Quotas are not compiled into this kernel");
265
				sleep(3);
266
			}
267
			if (getentry(quotagroup, GRPQUOTA, &mid) == -1) {
268
				warned++;
269
				(void)fprintf(stderr, "Warning: "
270
				    "group %s not known, skipping %s\n",
271
				    quotagroup, fs->fs_file);
272
			}
273
			if ((fd = open(qfpathname, O_RDONLY)) < 0) {
274
				fd = open(qfpathname, O_RDWR|O_CREAT, 0640);
275
				if (fd < 0 && errno != ENOENT) {
276
					perror(qfpathname);
277
					free(qup);
278
					continue;
279
				}
280
				(void)fprintf(stderr, "Creating quota file %s\n",
281
				    qfpathname);
282
				sleep(3);
283
				(void)fchown(fd, getuid(), mid);
284
				(void)fchmod(fd, 0640);
285
			}
286
			lseek(fd, (off_t)(id * sizeof(struct dqblk)), SEEK_SET);
287
			switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) {
288
			case 0:			/* EOF */
289
				/*
290
				 * Convert implicit 0 quota (EOF)
291
				 * into an explicit one (zero'ed dqblk)
292
				 */
293
				bzero((caddr_t)&qup->dqblk,
294
				    sizeof(struct dqblk));
295
				break;
296
297
			case sizeof(struct dqblk):	/* OK */
298
				break;
299
300
			default:		/* ERROR */
301
				warn("read error in %s", qfpathname);
302
				close(fd);
303
				free(qup);
304
				continue;
305
			}
306
			close(fd);
307
		}
308
		strlcpy(qup->qfname, qfpathname, qfpathnamelen + 1);
309
		strlcpy(qup->fsname, fs->fs_file, sizeof qup->fsname);
310
		if (quphead == NULL)
311
			quphead = qup;
312
		else
313
			quptail->next = qup;
314
		quptail = qup;
315
		qup->next = NULL;
316
	}
317
	endfsent();
318
	return(quphead);
319
}
320
321
/*
322
 * Store the requested quota information.
323
 */
324
void
325
putprivs(long id, int quotatype, struct quotause *quplist)
326
{
327
	struct quotause *qup;
328
	int qcmd, fd;
329
330
	qcmd = QCMD(Q_SETQUOTA, quotatype);
331
	for (qup = quplist; qup; qup = qup->next) {
332
		if (quotactl(qup->fsname, qcmd, id, (char *)&qup->dqblk) == 0)
333
			continue;
334
		if ((fd = open(qup->qfname, O_WRONLY)) < 0) {
335
			perror(qup->qfname);
336
		} else {
337
			lseek(fd, (off_t)(id * sizeof (struct dqblk)), SEEK_SET);
338
			if (write(fd, &qup->dqblk, sizeof (struct dqblk)) !=
339
			    sizeof (struct dqblk))
340
				warn("%s", qup->qfname);
341
			close(fd);
342
		}
343
	}
344
}
345
346
/*
347
 * Execute an editor on the specified pathname, which is interpreted
348
 * from the shell.  This means flags may be included.
349
 *
350
 * Returns -1 on error, or the exit value on success.
351
 */
352
int
353
editit(const char *pathname)
354
{
355
	char *argp[] = {"sh", "-c", NULL, NULL}, *ed, *p;
356
	sig_t sighup, sigint, sigquit, sigchld;
357
	pid_t pid;
358
	int saved_errno, st, ret = -1;
359
360
	ed = getenv("VISUAL");
361
	if (ed == NULL || ed[0] == '\0')
362
		ed = getenv("EDITOR");
363
	if (ed == NULL || ed[0] == '\0')
364
		ed = _PATH_VI;
365
	if (asprintf(&p, "%s %s", ed, pathname) == -1)
366
		return (-1);
367
	argp[2] = p;
368
369
	sighup = signal(SIGHUP, SIG_IGN);
370
	sigint = signal(SIGINT, SIG_IGN);
371
	sigquit = signal(SIGQUIT, SIG_IGN);
372
	sigchld = signal(SIGCHLD, SIG_DFL);
373
	if ((pid = fork()) == -1)
374
		goto fail;
375
	if (pid == 0) {
376
		execv(_PATH_BSHELL, argp);
377
		_exit(127);
378
	}
379
	while (waitpid(pid, &st, 0) == -1)
380
		if (errno != EINTR)
381
			goto fail;
382
	if (!WIFEXITED(st))
383
		errno = EINTR;
384
	else
385
		ret = WEXITSTATUS(st);
386
387
 fail:
388
	saved_errno = errno;
389
	(void)signal(SIGHUP, sighup);
390
	(void)signal(SIGINT, sigint);
391
	(void)signal(SIGQUIT, sigquit);
392
	(void)signal(SIGCHLD, sigchld);
393
	free(p);
394
	errno = saved_errno;
395
	return (ret);
396
}
397
398
/*
399
 * Convert a quotause list to an ASCII file.
400
 */
401
int
402
writeprivs(struct quotause *quplist, int outfd, char *name, int quotatype)
403
{
404
	struct quotause *qup;
405
	FILE *fp;
406
407
	ftruncate(outfd, 0);
408
	lseek(outfd, 0, SEEK_SET);
409
	if ((fp = fdopen(dup(outfd), "w")) == NULL)
410
		err(1, "%s", tmpfil);
411
	(void)fprintf(fp, "Quotas for %s %s:\n", qfextension[quotatype], name);
412
	for (qup = quplist; qup; qup = qup->next) {
413
		(void)fprintf(fp, "%s: %s %d, limits (soft = %d, hard = %d)\n",
414
		    qup->fsname, "KBytes in use:",
415
		    (int)(dbtob((u_quad_t)qup->dqblk.dqb_curblocks) / 1024),
416
		    (int)(dbtob((u_quad_t)qup->dqblk.dqb_bsoftlimit) / 1024),
417
		    (int)(dbtob((u_quad_t)qup->dqblk.dqb_bhardlimit) / 1024));
418
		(void)fprintf(fp, "%s %d, limits (soft = %d, hard = %d)\n",
419
		    "\tinodes in use:", qup->dqblk.dqb_curinodes,
420
		    qup->dqblk.dqb_isoftlimit, qup->dqblk.dqb_ihardlimit);
421
	}
422
	fclose(fp);
423
	return(1);
424
}
425
426
/*
427
 * Merge changes to an ASCII file into a quotause list.
428
 */
429
int
430
readprivs(struct quotause *quplist, int infd)
431
{
432
	struct quotause *qup;
433
	FILE *fp;
434
	int cnt;
435
	char *cp;
436
	struct dqblk dqblk;
437
	char *fsp, line1[BUFSIZ], line2[BUFSIZ];
438
439
	lseek(infd, 0, SEEK_SET);
440
	fp = fdopen(dup(infd), "r");
441
	if (fp == NULL) {
442
		warnx("can't re-read temp file!!");
443
		return(0);
444
	}
445
	/*
446
	 * Discard title line, then read pairs of lines to process.
447
	 */
448
	(void)fgets(line1, sizeof (line1), fp);
449
	while (fgets(line1, sizeof (line1), fp) != NULL &&
450
	       fgets(line2, sizeof (line2), fp) != NULL) {
451
		if ((fsp = strtok(line1, " \t:")) == NULL) {
452
			warnx("%s: bad format", line1);
453
			return(0);
454
		}
455
		if ((cp = strtok(NULL, "\n")) == NULL) {
456
			warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]);
457
			return(0);
458
		}
459
		cnt = sscanf(cp,
460
		    " KBytes in use: %d, limits (soft = %d, hard = %d)",
461
		    &dqblk.dqb_curblocks, &dqblk.dqb_bsoftlimit,
462
		    &dqblk.dqb_bhardlimit);
463
		if (cnt != 3) {
464
			warnx("%s:%s: bad format", fsp, cp);
465
			return(0);
466
		}
467
		dqblk.dqb_curblocks = btodb((u_quad_t)
468
		    dqblk.dqb_curblocks * 1024);
469
		dqblk.dqb_bsoftlimit = btodb((u_quad_t)
470
		    dqblk.dqb_bsoftlimit * 1024);
471
		dqblk.dqb_bhardlimit = btodb((u_quad_t)
472
		    dqblk.dqb_bhardlimit * 1024);
473
		if ((cp = strtok(line2, "\n")) == NULL) {
474
			warnx("%s: %s: bad format", fsp, line2);
475
			return(0);
476
		}
477
		cnt = sscanf(cp,
478
		    "\tinodes in use: %d, limits (soft = %d, hard = %d)",
479
		    &dqblk.dqb_curinodes, &dqblk.dqb_isoftlimit,
480
		    &dqblk.dqb_ihardlimit);
481
		if (cnt != 3) {
482
			warnx("%s: %s: bad format", fsp, line2);
483
			return(0);
484
		}
485
		for (qup = quplist; qup; qup = qup->next) {
486
			if (strcmp(fsp, qup->fsname))
487
				continue;
488
			/*
489
			 * Cause time limit to be reset when the quota
490
			 * is next used if previously had no soft limit
491
			 * or were under it, but now have a soft limit
492
			 * and are over it.
493
			 */
494
			if (dqblk.dqb_bsoftlimit &&
495
			    qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit &&
496
			    (qup->dqblk.dqb_bsoftlimit == 0 ||
497
			     qup->dqblk.dqb_curblocks <
498
			     qup->dqblk.dqb_bsoftlimit))
499
				qup->dqblk.dqb_btime = 0;
500
			if (dqblk.dqb_isoftlimit &&
501
			    qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit &&
502
			    (qup->dqblk.dqb_isoftlimit == 0 ||
503
			     qup->dqblk.dqb_curinodes <
504
			     qup->dqblk.dqb_isoftlimit))
505
				qup->dqblk.dqb_itime = 0;
506
			qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit;
507
			qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit;
508
			qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit;
509
			qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit;
510
			qup->flags |= FOUND;
511
			if (dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks &&
512
			    dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes)
513
				break;
514
			warnx("%s: cannot change current allocation", fsp);
515
			break;
516
		}
517
	}
518
	fclose(fp);
519
	/*
520
	 * Disable quotas for any filesystems that have not been found.
521
	 */
522
	for (qup = quplist; qup; qup = qup->next) {
523
		if (qup->flags & FOUND) {
524
			qup->flags &= ~FOUND;
525
			continue;
526
		}
527
		qup->dqblk.dqb_bsoftlimit = 0;
528
		qup->dqblk.dqb_bhardlimit = 0;
529
		qup->dqblk.dqb_isoftlimit = 0;
530
		qup->dqblk.dqb_ihardlimit = 0;
531
	}
532
	return(1);
533
}
534
535
/*
536
 * Convert a quotause list to an ASCII file of grace times.
537
 */
538
int
539
writetimes(struct quotause *quplist, int outfd, int quotatype)
540
{
541
	struct quotause *qup;
542
	FILE *fp;
543
544
	ftruncate(outfd, 0);
545
	lseek(outfd, 0, SEEK_SET);
546
	if ((fp = fdopen(dup(outfd), "w")) == NULL)
547
		err(1, "%s", tmpfil);
548
	(void)fprintf(fp,
549
	    "Time units may be: days, hours, minutes, or seconds\n");
550
	(void)fprintf(fp,
551
	    "Grace period before enforcing soft limits for %ss:\n",
552
	    qfextension[quotatype]);
553
	for (qup = quplist; qup; qup = qup->next) {
554
		(void)fprintf(fp, "%s: block grace period: %s, ",
555
		    qup->fsname, cvtstoa(qup->dqblk.dqb_btime));
556
		(void)fprintf(fp, "file grace period: %s\n",
557
		    cvtstoa(qup->dqblk.dqb_itime));
558
	}
559
	fclose(fp);
560
	return(1);
561
}
562
563
/*
564
 * Merge changes of grace times in an ASCII file into a quotause list.
565
 */
566
int
567
readtimes(struct quotause *quplist, int infd)
568
{
569
	struct quotause *qup;
570
	FILE *fp;
571
	int cnt;
572
	char *cp;
573
	long long itime, btime;
574
	time_t iseconds, bseconds;
575
	char *fsp, bunits[10], iunits[10], line1[BUFSIZ];
576
577
	lseek(infd, 0, SEEK_SET);
578
	fp = fdopen(dup(infd), "r");
579
	if (fp == NULL) {
580
		warnx("can't re-read temp file!!");
581
		return(0);
582
	}
583
	/*
584
	 * Discard two title lines, then read lines to process.
585
	 */
586
	(void)fgets(line1, sizeof (line1), fp);
587
	(void)fgets(line1, sizeof (line1), fp);
588
	while (fgets(line1, sizeof (line1), fp) != NULL) {
589
		if ((fsp = strtok(line1, " \t:")) == NULL) {
590
			warnx("%s: bad format", line1);
591
			return(0);
592
		}
593
		if ((cp = strtok(NULL, "\n")) == NULL) {
594
			warnx("%s: %s: bad format", fsp,
595
			    &fsp[strlen(fsp) + 1]);
596
			return(0);
597
		}
598
		cnt = sscanf(cp,
599
		    " block grace period: %lld %9s file grace period: %lld %9s",
600
		    &btime, bunits, &itime, iunits);
601
		if (cnt != 4) {
602
			warnx("%s:%s: bad format", fsp, cp);
603
			return(0);
604
		}
605
		if (cvtatos(btime, bunits, &bseconds) == 0)
606
			return(0);
607
		if (cvtatos(itime, iunits, &iseconds) == 0)
608
			return(0);
609
		for (qup = quplist; qup; qup = qup->next) {
610
			if (strcmp(fsp, qup->fsname))
611
				continue;
612
			qup->dqblk.dqb_btime = bseconds;
613
			qup->dqblk.dqb_itime = iseconds;
614
			qup->flags |= FOUND;
615
			break;
616
		}
617
	}
618
	fclose(fp);
619
	/*
620
	 * reset default grace periods for any filesystems
621
	 * that have not been found.
622
	 */
623
	for (qup = quplist; qup; qup = qup->next) {
624
		if (qup->flags & FOUND) {
625
			qup->flags &= ~FOUND;
626
			continue;
627
		}
628
		qup->dqblk.dqb_btime = 0;
629
		qup->dqblk.dqb_itime = 0;
630
	}
631
	return(1);
632
}
633
634
/*
635
 * Convert seconds to ASCII times.
636
 */
637
char *
638
cvtstoa(time_t time)
639
{
640
	static char buf[20];
641
642
	if (time % (24 * 60 * 60) == 0) {
643
		time /= 24 * 60 * 60;
644
		(void)snprintf(buf, sizeof buf, "%lld day%s", (long long)time,
645
		    time == 1 ? "" : "s");
646
	} else if (time % (60 * 60) == 0) {
647
		time /= 60 * 60;
648
		(void)snprintf(buf, sizeof buf, "%lld hour%s", (long long)time,
649
		    time == 1 ? "" : "s");
650
	} else if (time % 60 == 0) {
651
		time /= 60;
652
		(void)snprintf(buf, sizeof buf, "%lld minute%s",
653
		    (long long)time, time == 1 ? "" : "s");
654
	} else
655
		(void)snprintf(buf, sizeof buf, "%lld second%s",
656
		    (long long)time, time == 1 ? "" : "s");
657
	return(buf);
658
}
659
660
/*
661
 * Convert ASCII input times to seconds.
662
 */
663
int
664
cvtatos(long long time, char *units, time_t *seconds)
665
{
666
667
	if (bcmp(units, "second", 6) == 0)
668
		*seconds = time;
669
	else if (bcmp(units, "minute", 6) == 0)
670
		*seconds = time * 60;
671
	else if (bcmp(units, "hour", 4) == 0)
672
		*seconds = time * 60 * 60;
673
	else if (bcmp(units, "day", 3) == 0)
674
		*seconds = time * 24 * 60 * 60;
675
	else {
676
		(void)printf("%s: bad units, specify %s\n", units,
677
		    "days, hours, minutes, or seconds");
678
		return(0);
679
	}
680
	return(1);
681
}
682
683
/*
684
 * Free a list of quotause structures.
685
 */
686
void
687
freeprivs(struct quotause *quplist)
688
{
689
	struct quotause *qup, *nextqup;
690
691
	for (qup = quplist; qup; qup = nextqup) {
692
		nextqup = qup->next;
693
		free(qup);
694
	}
695
}
696
697
/*
698
 * Check whether a string is completely composed of digits.
699
 */
700
int
701
alldigits(char *s)
702
{
703
	int c;
704
705
	c = (unsigned char)*s++;
706
	do {
707
		if (!isdigit(c))
708
			return(0);
709
	} while ((c = (unsigned char)*s++));
710
	return(1);
711
}
712
713
/*
714
 * Check to see if a particular quota is to be enabled.
715
 */
716
int
717
hasquota(struct fstab *fs, int type, char **qfnamep)
718
{
719
	char *opt;
720
	char *cp;
721
	static char initname, usrname[100], grpname[100];
722
	static char buf[BUFSIZ];
723
724
	if (!initname) {
725
		(void)snprintf(usrname, sizeof usrname, "%s%s",
726
		    qfextension[USRQUOTA], qfname);
727
		(void)snprintf(grpname, sizeof grpname, "%s%s",
728
		    qfextension[GRPQUOTA], qfname);
729
		initname = 1;
730
	}
731
	strlcpy(buf, fs->fs_mntops, sizeof buf);
732
	for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
733
		if ((cp = strchr(opt, '=')))
734
			*cp++ = '\0';
735
		if (type == USRQUOTA && strcmp(opt, usrname) == 0)
736
			break;
737
		if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
738
			break;
739
	}
740
	if (!opt)
741
		return(0);
742
	if (cp) {
743
		*qfnamep = cp;
744
		return(1);
745
	}
746
	(void)snprintf(buf, sizeof buf, "%s/%s.%s",
747
	    fs->fs_file, qfname, qfextension[type]);
748
	*qfnamep = buf;
749
	return(1);
750
}