Commit | Line | Data |
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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1980, 1990 Regents of the University of California. | |
3 | * 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 | char copyright[] = | |
39 | "@(#) Copyright (c) 1980, 1990 Regents of the University of California.\n\ | |
40 | All rights reserved.\n"; | |
41 | #endif /* not lint */ | |
42 | ||
43 | #ifndef lint | |
44 | static char sccsid[] = "@(#)edquota.c 5.15 (Berkeley) 9/27/90"; | |
45 | #endif /* not lint */ | |
46 | ||
47 | /* | |
48 | * Disk quota editor. | |
49 | */ | |
50 | #include <sys/param.h> | |
51 | #include <sys/stat.h> | |
52 | #include <sys/file.h> | |
53 | #include <sys/wait.h> | |
54 | #include <ufs/quota.h> | |
55 | #include <errno.h> | |
56 | #include <fstab.h> | |
57 | #include <pwd.h> | |
58 | #include <grp.h> | |
59 | #include <ctype.h> | |
60 | #include <stdio.h> | |
61 | #include <string.h> | |
62 | #include "pathnames.h" | |
63 | ||
64 | char *qfname = QUOTAFILENAME; | |
65 | char *qfextension[] = INITQFNAMES; | |
66 | char *quotagroup = QUOTAGROUP; | |
67 | char tmpfil[] = _PATH_TMP; | |
68 | ||
69 | struct quotause { | |
70 | struct quotause *next; | |
71 | long flags; | |
72 | struct dqblk dqblk; | |
73 | char fsname[MAXPATHLEN + 1]; | |
74 | char qfname[1]; /* actually longer */ | |
75 | } *getprivs(); | |
76 | #define FOUND 0x01 | |
77 | ||
78 | main(argc, argv) | |
79 | register char **argv; | |
80 | int argc; | |
81 | { | |
82 | register struct quotause *qup, *protoprivs, *curprivs; | |
83 | extern char *optarg; | |
84 | extern int optind; | |
85 | register long id, protoid; | |
86 | register int quotatype, tmpfd; | |
87 | char *protoname, ch; | |
88 | int tflag = 0, pflag = 0; | |
89 | ||
90 | if (argc < 2) | |
91 | usage(); | |
92 | if (getuid()) { | |
93 | fprintf(stderr, "edquota: permission denied\n"); | |
94 | exit(1); | |
95 | } | |
96 | quotatype = USRQUOTA; | |
97 | while ((ch = getopt(argc, argv, "ugtp:")) != EOF) { | |
98 | switch(ch) { | |
99 | case 'p': | |
100 | protoname = optarg; | |
101 | pflag++; | |
102 | break; | |
103 | case 'g': | |
104 | quotatype = GRPQUOTA; | |
105 | break; | |
106 | case 'u': | |
107 | quotatype = USRQUOTA; | |
108 | break; | |
109 | case 't': | |
110 | tflag++; | |
111 | break; | |
112 | default: | |
113 | usage(); | |
114 | } | |
115 | } | |
116 | argc -= optind; | |
117 | argv += optind; | |
118 | if (pflag) { | |
119 | if ((protoid = getentry(protoname, quotatype)) == -1) | |
120 | exit(1); | |
121 | protoprivs = getprivs(protoid, quotatype); | |
122 | for (qup = protoprivs; qup; qup = qup->next) { | |
123 | qup->dqblk.dqb_btime = 0; | |
124 | qup->dqblk.dqb_itime = 0; | |
125 | } | |
126 | while (argc-- > 0) { | |
127 | if ((id = getentry(*argv++, quotatype)) < 0) | |
128 | continue; | |
129 | putprivs(id, quotatype, protoprivs); | |
130 | } | |
131 | exit(0); | |
132 | } | |
133 | tmpfd = mkstemp(tmpfil); | |
134 | fchown(tmpfd, getuid(), getgid()); | |
135 | if (tflag) { | |
136 | protoprivs = getprivs(0, quotatype); | |
137 | if (writetimes(protoprivs, tmpfd, quotatype) == 0) | |
138 | exit(1); | |
139 | if (editit(tmpfil) && readtimes(protoprivs, tmpfd)) | |
140 | putprivs(0, quotatype, protoprivs); | |
141 | freeprivs(protoprivs); | |
142 | exit(0); | |
143 | } | |
144 | for ( ; argc > 0; argc--, argv++) { | |
145 | if ((id = getentry(*argv, quotatype)) == -1) | |
146 | continue; | |
147 | curprivs = getprivs(id, quotatype); | |
148 | if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0) | |
149 | continue; | |
150 | if (editit(tmpfil) && readprivs(curprivs, tmpfd)) | |
151 | putprivs(id, quotatype, curprivs); | |
152 | freeprivs(curprivs); | |
153 | } | |
154 | close(tmpfd); | |
155 | unlink(tmpfil); | |
156 | exit(0); | |
157 | } | |
158 | ||
159 | usage() | |
160 | { | |
161 | fprintf(stderr, "%s%s%s%s", | |
162 | "Usage: edquota [-u] [-p username] username ...\n", | |
163 | "\tedquota -g [-p groupname] groupname ...\n", | |
164 | "\tedquota [-u] -t\n", "\tedquota -g -t\n"); | |
165 | exit(1); | |
166 | } | |
167 | ||
168 | /* | |
169 | * This routine converts a name for a particular quota type to | |
170 | * an identifier. This routine must agree with the kernel routine | |
171 | * getinoquota as to the interpretation of quota types. | |
172 | */ | |
173 | getentry(name, quotatype) | |
174 | char *name; | |
175 | int quotatype; | |
176 | { | |
177 | struct passwd *pw; | |
178 | struct group *gr; | |
179 | ||
180 | if (alldigits(name)) | |
181 | return (atoi(name)); | |
182 | switch(quotatype) { | |
183 | case USRQUOTA: | |
184 | if (pw = getpwnam(name)) | |
185 | return (pw->pw_uid); | |
186 | fprintf(stderr, "%s: no such user\n", name); | |
187 | break; | |
188 | case GRPQUOTA: | |
189 | if (gr = getgrnam(name)) | |
190 | return (gr->gr_gid); | |
191 | fprintf(stderr, "%s: no such group\n", name); | |
192 | break; | |
193 | default: | |
194 | fprintf(stderr, "%d: unknown quota type\n", quotatype); | |
195 | break; | |
196 | } | |
197 | sleep(1); | |
198 | return (-1); | |
199 | } | |
200 | ||
201 | /* | |
202 | * Collect the requested quota information. | |
203 | */ | |
204 | struct quotause * | |
205 | getprivs(id, quotatype) | |
206 | register long id; | |
207 | int quotatype; | |
208 | { | |
209 | register struct fstab *fs; | |
210 | register struct quotause *qup, *quptail; | |
211 | struct quotause *quphead; | |
212 | int qcmd, qupsize, fd; | |
213 | char *qfpathname; | |
214 | static int warned = 0; | |
215 | extern int errno; | |
216 | ||
217 | setfsent(); | |
218 | quphead = (struct quotause *)0; | |
219 | qcmd = QCMD(Q_GETQUOTA, quotatype); | |
220 | while (fs = getfsent()) { | |
221 | if (strcmp(fs->fs_vfstype, "ufs")) | |
222 | continue; | |
223 | if (!hasquota(fs, quotatype, &qfpathname)) | |
224 | continue; | |
225 | qupsize = sizeof(*qup) + strlen(qfpathname); | |
226 | if ((qup = (struct quotause *)malloc(qupsize)) == NULL) { | |
227 | fprintf(stderr, "edquota: out of memory\n"); | |
228 | exit(2); | |
229 | } | |
230 | if (quotactl(fs->fs_file, qcmd, id, &qup->dqblk) != 0) { | |
231 | if (errno == EOPNOTSUPP && !warned) { | |
232 | warned++; | |
233 | fprintf(stderr, "Warning: %s\n", | |
234 | "Quotas are not compiled into this kernel"); | |
235 | sleep(3); | |
236 | } | |
237 | if ((fd = open(qfpathname, O_RDONLY)) < 0) { | |
238 | fd = open(qfpathname, O_RDWR|O_CREAT, 0640); | |
239 | if (fd < 0 && errno != ENOENT) { | |
240 | perror(qfpathname); | |
241 | free(qup); | |
242 | continue; | |
243 | } | |
244 | fprintf(stderr, "Creating quota file %s\n", | |
245 | qfpathname); | |
246 | sleep(3); | |
247 | (void) fchown(fd, getuid(), | |
248 | getentry(quotagroup, GRPQUOTA)); | |
249 | (void) fchmod(fd, 0640); | |
250 | } | |
251 | lseek(fd, (long)(id * sizeof(struct dqblk)), L_SET); | |
252 | switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) { | |
253 | case 0: /* EOF */ | |
254 | /* | |
255 | * Convert implicit 0 quota (EOF) | |
256 | * into an explicit one (zero'ed dqblk) | |
257 | */ | |
258 | bzero((caddr_t)&qup->dqblk, | |
259 | sizeof(struct dqblk)); | |
260 | break; | |
261 | ||
262 | case sizeof(struct dqblk): /* OK */ | |
263 | break; | |
264 | ||
265 | default: /* ERROR */ | |
266 | fprintf(stderr, "edquota: read error in "); | |
267 | perror(qfpathname); | |
268 | close(fd); | |
269 | free(qup); | |
270 | continue; | |
271 | } | |
272 | close(fd); | |
273 | } | |
274 | strcpy(qup->qfname, qfpathname); | |
275 | strcpy(qup->fsname, fs->fs_file); | |
276 | if (quphead == NULL) | |
277 | quphead = qup; | |
278 | else | |
279 | quptail->next = qup; | |
280 | quptail = qup; | |
281 | qup->next = 0; | |
282 | } | |
283 | endfsent(); | |
284 | return (quphead); | |
285 | } | |
286 | ||
287 | /* | |
288 | * Store the requested quota information. | |
289 | */ | |
290 | putprivs(id, quotatype, quplist) | |
291 | long id; | |
292 | int quotatype; | |
293 | struct quotause *quplist; | |
294 | { | |
295 | register struct quotause *qup; | |
296 | int qcmd, fd; | |
297 | ||
298 | qcmd = QCMD(Q_SETQUOTA, quotatype); | |
299 | for (qup = quplist; qup; qup = qup->next) { | |
300 | if (quotactl(qup->fsname, qcmd, id, &qup->dqblk) == 0) | |
301 | continue; | |
302 | if ((fd = open(qup->qfname, O_WRONLY)) < 0) { | |
303 | perror(qup->qfname); | |
304 | } else { | |
305 | lseek(fd, (long)id * (long)sizeof (struct dqblk), 0); | |
306 | if (write(fd, &qup->dqblk, sizeof (struct dqblk)) != | |
307 | sizeof (struct dqblk)) { | |
308 | fprintf(stderr, "edquota: "); | |
309 | perror(qup->qfname); | |
310 | } | |
311 | close(fd); | |
312 | } | |
313 | } | |
314 | } | |
315 | ||
316 | /* | |
317 | * Take a list of priviledges and get it edited. | |
318 | */ | |
319 | editit(tmpfile) | |
320 | char *tmpfile; | |
321 | { | |
322 | long omask; | |
323 | int pid, stat; | |
324 | extern char *getenv(); | |
325 | ||
326 | omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP)); | |
327 | top: | |
328 | if ((pid = fork()) < 0) { | |
329 | extern errno; | |
330 | ||
331 | if (errno == EPROCLIM) { | |
332 | fprintf(stderr, "You have too many processes\n"); | |
333 | return(0); | |
334 | } | |
335 | if (errno == EAGAIN) { | |
336 | sleep(1); | |
337 | goto top; | |
338 | } | |
339 | perror("fork"); | |
340 | return (0); | |
341 | } | |
342 | if (pid == 0) { | |
343 | register char *ed; | |
344 | ||
345 | sigsetmask(omask); | |
346 | setgid(getgid()); | |
347 | setuid(getuid()); | |
348 | if ((ed = getenv("EDITOR")) == (char *)0) | |
349 | ed = _PATH_VI; | |
350 | execlp(ed, ed, tmpfile, 0); | |
351 | perror(ed); | |
352 | exit(1); | |
353 | } | |
354 | waitpid(pid, &stat, 0); | |
355 | sigsetmask(omask); | |
356 | if (!WIFEXITED(stat) || WEXITSTATUS(stat) != 0) | |
357 | return (0); | |
358 | return (1); | |
359 | } | |
360 | ||
361 | /* | |
362 | * Convert a quotause list to an ASCII file. | |
363 | */ | |
364 | writeprivs(quplist, outfd, name, quotatype) | |
365 | struct quotause *quplist; | |
366 | int outfd; | |
367 | char *name; | |
368 | int quotatype; | |
369 | { | |
370 | register struct quotause *qup; | |
371 | FILE *fd; | |
372 | ||
373 | ftruncate(outfd, 0); | |
374 | lseek(outfd, 0, L_SET); | |
375 | if ((fd = fdopen(dup(outfd), "w")) == NULL) { | |
376 | fprintf(stderr, "edquota: "); | |
377 | perror(tmpfil); | |
378 | exit(1); | |
379 | } | |
380 | fprintf(fd, "Quotas for %s %s:\n", qfextension[quotatype], name); | |
381 | for (qup = quplist; qup; qup = qup->next) { | |
382 | fprintf(fd, "%s: %s %d, limits (soft = %d, hard = %d)\n", | |
383 | qup->fsname, "blocks in use:", | |
384 | dbtob(qup->dqblk.dqb_curblocks) / 1024, | |
385 | dbtob(qup->dqblk.dqb_bsoftlimit) / 1024, | |
386 | dbtob(qup->dqblk.dqb_bhardlimit) / 1024); | |
387 | fprintf(fd, "%s %d, limits (soft = %d, hard = %d)\n", | |
388 | "\tinodes in use:", qup->dqblk.dqb_curinodes, | |
389 | qup->dqblk.dqb_isoftlimit, qup->dqblk.dqb_ihardlimit); | |
390 | } | |
391 | fclose(fd); | |
392 | return (1); | |
393 | } | |
394 | ||
395 | /* | |
396 | * Merge changes to an ASCII file into a quotause list. | |
397 | */ | |
398 | readprivs(quplist, infd) | |
399 | struct quotause *quplist; | |
400 | int infd; | |
401 | { | |
402 | register struct quotause *qup; | |
403 | FILE *fd; | |
404 | int cnt; | |
405 | register char *cp; | |
406 | struct dqblk dqblk; | |
407 | char *fsp, line1[BUFSIZ], line2[BUFSIZ]; | |
408 | ||
409 | lseek(infd, 0, L_SET); | |
410 | fd = fdopen(dup(infd), "r"); | |
411 | if (fd == NULL) { | |
412 | fprintf(stderr, "Can't re-read temp file!!\n"); | |
413 | return (0); | |
414 | } | |
415 | /* | |
416 | * Discard title line, then read pairs of lines to process. | |
417 | */ | |
418 | (void) fgets(line1, sizeof (line1), fd); | |
419 | while (fgets(line1, sizeof (line1), fd) != NULL && | |
420 | fgets(line2, sizeof (line2), fd) != NULL) { | |
421 | if ((fsp = strtok(line1, " \t:")) == NULL) { | |
422 | fprintf(stderr, "%s: bad format\n", line1); | |
423 | return (0); | |
424 | } | |
425 | if ((cp = strtok((char *)0, "\n")) == NULL) { | |
426 | fprintf(stderr, "%s: %s: bad format\n", fsp, | |
427 | &fsp[strlen(fsp) + 1]); | |
428 | return (0); | |
429 | } | |
430 | cnt = sscanf(cp, | |
431 | " blocks in use: %d, limits (soft = %d, hard = %d)", | |
432 | &dqblk.dqb_curblocks, &dqblk.dqb_bsoftlimit, | |
433 | &dqblk.dqb_bhardlimit); | |
434 | if (cnt != 3) { | |
435 | fprintf(stderr, "%s:%s: bad format\n", fsp, cp); | |
436 | return (0); | |
437 | } | |
438 | dqblk.dqb_curblocks = btodb(dqblk.dqb_curblocks * 1024); | |
439 | dqblk.dqb_bsoftlimit = btodb(dqblk.dqb_bsoftlimit * 1024); | |
440 | dqblk.dqb_bhardlimit = btodb(dqblk.dqb_bhardlimit * 1024); | |
441 | if ((cp = strtok(line2, "\n")) == NULL) { | |
442 | fprintf(stderr, "%s: %s: bad format\n", fsp, line2); | |
443 | return (0); | |
444 | } | |
445 | cnt = sscanf(cp, | |
446 | "\tinodes in use: %d, limits (soft = %d, hard = %d)", | |
447 | &dqblk.dqb_curinodes, &dqblk.dqb_isoftlimit, | |
448 | &dqblk.dqb_ihardlimit); | |
449 | if (cnt != 3) { | |
450 | fprintf(stderr, "%s: %s: bad format\n", fsp, line2); | |
451 | return (0); | |
452 | } | |
453 | for (qup = quplist; qup; qup = qup->next) { | |
454 | if (strcmp(fsp, qup->fsname)) | |
455 | continue; | |
456 | /* | |
457 | * Cause time limit to be reset when the quota | |
458 | * is next used if previously had no soft limit | |
459 | * or were under it, but now have a soft limit | |
460 | * and are over it. | |
461 | */ | |
462 | if (dqblk.dqb_bsoftlimit && | |
463 | qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit && | |
464 | (qup->dqblk.dqb_bsoftlimit == 0 || | |
465 | qup->dqblk.dqb_curblocks < | |
466 | qup->dqblk.dqb_bsoftlimit)) | |
467 | qup->dqblk.dqb_btime = 0; | |
468 | if (dqblk.dqb_isoftlimit && | |
469 | qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit && | |
470 | (qup->dqblk.dqb_isoftlimit == 0 || | |
471 | qup->dqblk.dqb_curinodes < | |
472 | qup->dqblk.dqb_isoftlimit)) | |
473 | qup->dqblk.dqb_itime = 0; | |
474 | qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit; | |
475 | qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit; | |
476 | qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit; | |
477 | qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit; | |
478 | qup->flags |= FOUND; | |
479 | if (dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks && | |
480 | dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes) | |
481 | break; | |
482 | fprintf(stderr, | |
483 | "%s: cannot change current allocation\n", fsp); | |
484 | break; | |
485 | } | |
486 | } | |
487 | fclose(fd); | |
488 | /* | |
489 | * Disable quotas for any filesystems that have not been found. | |
490 | */ | |
491 | for (qup = quplist; qup; qup = qup->next) { | |
492 | if (qup->flags & FOUND) { | |
493 | qup->flags &= ~FOUND; | |
494 | continue; | |
495 | } | |
496 | qup->dqblk.dqb_bsoftlimit = 0; | |
497 | qup->dqblk.dqb_bhardlimit = 0; | |
498 | qup->dqblk.dqb_isoftlimit = 0; | |
499 | qup->dqblk.dqb_ihardlimit = 0; | |
500 | } | |
501 | return (1); | |
502 | } | |
503 | ||
504 | /* | |
505 | * Convert a quotause list to an ASCII file of grace times. | |
506 | */ | |
507 | writetimes(quplist, outfd, quotatype) | |
508 | struct quotause *quplist; | |
509 | int outfd; | |
510 | int quotatype; | |
511 | { | |
512 | register struct quotause *qup; | |
513 | char *cvtstoa(); | |
514 | FILE *fd; | |
515 | ||
516 | ftruncate(outfd, 0); | |
517 | lseek(outfd, 0, L_SET); | |
518 | if ((fd = fdopen(dup(outfd), "w")) == NULL) { | |
519 | fprintf(stderr, "edquota: "); | |
520 | perror(tmpfil); | |
521 | exit(1); | |
522 | } | |
523 | fprintf(fd, "Time units may be: days, hours, minutes, or seconds\n"); | |
524 | fprintf(fd, "Grace period before enforcing soft limits for %ss:\n", | |
525 | qfextension[quotatype]); | |
526 | for (qup = quplist; qup; qup = qup->next) { | |
527 | fprintf(fd, "%s: block grace period: %s, ", | |
528 | qup->fsname, cvtstoa(qup->dqblk.dqb_btime)); | |
529 | fprintf(fd, "file grace period: %s\n", | |
530 | cvtstoa(qup->dqblk.dqb_itime)); | |
531 | } | |
532 | fclose(fd); | |
533 | return (1); | |
534 | } | |
535 | ||
536 | /* | |
537 | * Merge changes of grace times in an ASCII file into a quotause list. | |
538 | */ | |
539 | readtimes(quplist, infd) | |
540 | struct quotause *quplist; | |
541 | int infd; | |
542 | { | |
543 | register struct quotause *qup; | |
544 | FILE *fd; | |
545 | int cnt; | |
546 | register char *cp; | |
547 | time_t itime, btime, iseconds, bseconds; | |
548 | char *fsp, bunits[10], iunits[10], line1[BUFSIZ]; | |
549 | ||
550 | lseek(infd, 0, L_SET); | |
551 | fd = fdopen(dup(infd), "r"); | |
552 | if (fd == NULL) { | |
553 | fprintf(stderr, "Can't re-read temp file!!\n"); | |
554 | return (0); | |
555 | } | |
556 | /* | |
557 | * Discard two title lines, then read lines to process. | |
558 | */ | |
559 | (void) fgets(line1, sizeof (line1), fd); | |
560 | (void) fgets(line1, sizeof (line1), fd); | |
561 | while (fgets(line1, sizeof (line1), fd) != NULL) { | |
562 | if ((fsp = strtok(line1, " \t:")) == NULL) { | |
563 | fprintf(stderr, "%s: bad format\n", line1); | |
564 | return (0); | |
565 | } | |
566 | if ((cp = strtok((char *)0, "\n")) == NULL) { | |
567 | fprintf(stderr, "%s: %s: bad format\n", fsp, | |
568 | &fsp[strlen(fsp) + 1]); | |
569 | return (0); | |
570 | } | |
571 | cnt = sscanf(cp, | |
572 | " block grace period: %d %s file grace period: %d %s", | |
573 | &btime, bunits, &itime, iunits); | |
574 | if (cnt != 4) { | |
575 | fprintf(stderr, "%s:%s: bad format\n", fsp, cp); | |
576 | return (0); | |
577 | } | |
578 | if (cvtatos(btime, bunits, &bseconds) == 0) | |
579 | return (0); | |
580 | if (cvtatos(itime, iunits, &iseconds) == 0) | |
581 | return (0); | |
582 | for (qup = quplist; qup; qup = qup->next) { | |
583 | if (strcmp(fsp, qup->fsname)) | |
584 | continue; | |
585 | qup->dqblk.dqb_btime = bseconds; | |
586 | qup->dqblk.dqb_itime = iseconds; | |
587 | qup->flags |= FOUND; | |
588 | break; | |
589 | } | |
590 | } | |
591 | fclose(fd); | |
592 | /* | |
593 | * reset default grace periods for any filesystems | |
594 | * that have not been found. | |
595 | */ | |
596 | for (qup = quplist; qup; qup = qup->next) { | |
597 | if (qup->flags & FOUND) { | |
598 | qup->flags &= ~FOUND; | |
599 | continue; | |
600 | } | |
601 | qup->dqblk.dqb_btime = 0; | |
602 | qup->dqblk.dqb_itime = 0; | |
603 | } | |
604 | return (1); | |
605 | } | |
606 | ||
607 | /* | |
608 | * Convert seconds to ASCII times. | |
609 | */ | |
610 | char * | |
611 | cvtstoa(time) | |
612 | time_t time; | |
613 | { | |
614 | static char buf[20]; | |
615 | ||
616 | if (time % (24 * 60 * 60) == 0) { | |
617 | time /= 24 * 60 * 60; | |
618 | sprintf(buf, "%d day%s", time, time == 1 ? "" : "s"); | |
619 | } else if (time % (60 * 60) == 0) { | |
620 | time /= 60 * 60; | |
621 | sprintf(buf, "%d hour%s", time, time == 1 ? "" : "s"); | |
622 | } else if (time % 60 == 0) { | |
623 | time /= 60; | |
624 | sprintf(buf, "%d minute%s", time, time == 1 ? "" : "s"); | |
625 | } else | |
626 | sprintf(buf, "%d second%s", time, time == 1 ? "" : "s"); | |
627 | return (buf); | |
628 | } | |
629 | ||
630 | /* | |
631 | * Convert ASCII input times to seconds. | |
632 | */ | |
633 | cvtatos(time, units, seconds) | |
634 | time_t time; | |
635 | char *units; | |
636 | time_t *seconds; | |
637 | { | |
638 | ||
639 | if (bcmp(units, "second", 6) == 0) | |
640 | *seconds = time; | |
641 | else if (bcmp(units, "minute", 6) == 0) | |
642 | *seconds = time * 60; | |
643 | else if (bcmp(units, "hour", 4) == 0) | |
644 | *seconds = time * 60 * 60; | |
645 | else if (bcmp(units, "day", 3) == 0) | |
646 | *seconds = time * 24 * 60 * 60; | |
647 | else { | |
648 | printf("%s: bad units, specify %s\n", units, | |
649 | "days, hours, minutes, or seconds"); | |
650 | return (0); | |
651 | } | |
652 | return (1); | |
653 | } | |
654 | ||
655 | /* | |
656 | * Free a list of quotause structures. | |
657 | */ | |
658 | freeprivs(quplist) | |
659 | struct quotause *quplist; | |
660 | { | |
661 | register struct quotause *qup, *nextqup; | |
662 | ||
663 | for (qup = quplist; qup; qup = nextqup) { | |
664 | nextqup = qup->next; | |
665 | free(qup); | |
666 | } | |
667 | } | |
668 | ||
669 | /* | |
670 | * Check whether a string is completely composed of digits. | |
671 | */ | |
672 | alldigits(s) | |
673 | register char *s; | |
674 | { | |
675 | register c; | |
676 | ||
677 | c = *s++; | |
678 | do { | |
679 | if (!isdigit(c)) | |
680 | return (0); | |
681 | } while (c = *s++); | |
682 | return (1); | |
683 | } | |
684 | ||
685 | /* | |
686 | * Check to see if a particular quota is to be enabled. | |
687 | */ | |
688 | hasquota(fs, type, qfnamep) | |
689 | register struct fstab *fs; | |
690 | int type; | |
691 | char **qfnamep; | |
692 | { | |
693 | register char *opt; | |
694 | char *cp, *index(), *strtok(); | |
695 | static char initname, usrname[100], grpname[100]; | |
696 | static char buf[BUFSIZ]; | |
697 | ||
698 | if (!initname) { | |
699 | sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname); | |
700 | sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname); | |
701 | initname = 1; | |
702 | } | |
703 | strcpy(buf, fs->fs_mntops); | |
704 | for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) { | |
705 | if (cp = index(opt, '=')) | |
706 | *cp++ = '\0'; | |
707 | if (type == USRQUOTA && strcmp(opt, usrname) == 0) | |
708 | break; | |
709 | if (type == GRPQUOTA && strcmp(opt, grpname) == 0) | |
710 | break; | |
711 | } | |
712 | if (!opt) | |
713 | return (0); | |
714 | if (cp) { | |
715 | *qfnamep = cp; | |
716 | return (1); | |
717 | } | |
718 | (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]); | |
719 | *qfnamep = buf; | |
720 | return (1); | |
721 | } |