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 #if 0 34 #ifndef lint 35 static const char copyright[] = 36 "@(#) Copyright (c) 1980, 1990, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 static char sccsid[] = "@(#)edquota.c 8.1 (Berkeley) 6/6/93"; 42 #endif /* not lint */ 43 #endif 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 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/ufs/quota.h> 55 #include <ctype.h> 56 #include <err.h> 57 #include <errno.h> 58 #include <fstab.h> 59 #include <grp.h> 60 #include <pwd.h> 61 #include <signal.h> 62 #include <stdio.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <unistd.h> 66 #include "pathnames.h" 67 68 const char *qfname = QUOTAFILENAME; 69 const char *qfextension[] = INITQFNAMES; 70 const char *quotagroup = QUOTAGROUP; 71 char tmpfil[] = _PATH_TMP; 72 73 struct quotause { 74 struct quotause *next; 75 long flags; 76 struct dqblk dqblk; 77 char fsname[MAXPATHLEN + 1]; 78 char qfname[1]; /* actually longer */ 79 }; 80 #define FOUND 0x01 81 82 int alldigits(const char *s); 83 int cvtatos(time_t, char *, time_t *); 84 char *cvtstoa(time_t); 85 int editit(char *); 86 void freeprivs(struct quotause *); 87 int getentry(const char *, int); 88 struct quotause *getprivs(long, int, char *); 89 int hasquota(struct fstab *, int, char **); 90 void putprivs(long, int, struct quotause *); 91 int readprivs(struct quotause *, char *); 92 int readtimes(struct quotause *, char *); 93 static void usage(void); 94 int writetimes(struct quotause *, int, int); 95 int writeprivs(struct quotause *, int, char *, int); 96 97 int 98 main(int argc, char **argv) 99 { 100 struct quotause *qup, *protoprivs, *curprivs; 101 long id, protoid; 102 long long lim; 103 int i, quotatype, range, tmpfd; 104 uid_t startuid, enduid; 105 u_int32_t *limp; 106 char *protoname, *cp, *oldoptarg; 107 int eflag = 0, tflag = 0, pflag = 0, ch; 108 char *fspath = NULL; 109 char buf[MAXLOGNAME]; 110 111 if (argc < 2) 112 usage(); 113 if (getuid()) 114 errx(1, "permission denied"); 115 quotatype = USRQUOTA; 116 protoprivs = NULL; 117 while ((ch = getopt(argc, argv, "ugtf:p:e:")) != -1) { 118 switch(ch) { 119 case 'f': 120 fspath = optarg; 121 break; 122 case 'p': 123 protoname = optarg; 124 pflag++; 125 break; 126 case 'g': 127 quotatype = GRPQUOTA; 128 break; 129 case 'u': 130 quotatype = USRQUOTA; 131 break; 132 case 't': 133 tflag++; 134 break; 135 case 'e': 136 if ((qup = malloc(sizeof(*qup))) == NULL) 137 errx(2, "out of memory"); 138 bzero(qup, sizeof(*qup)); 139 i = 0; 140 oldoptarg = optarg; 141 for (cp = optarg; (cp = strsep(&optarg, ":")) != NULL; 142 i++) { 143 if (cp != oldoptarg) 144 *(cp - 1) = ':'; 145 limp = NULL; 146 switch (i) { 147 case 0: 148 strlcpy(qup->fsname, cp, 149 sizeof(qup->fsname)); 150 break; 151 case 1: 152 limp = &qup->dqblk.dqb_bsoftlimit; 153 break; 154 case 2: 155 limp = &qup->dqblk.dqb_bhardlimit; 156 break; 157 case 3: 158 limp = &qup->dqblk.dqb_isoftlimit; 159 break; 160 case 4: 161 limp = &qup->dqblk.dqb_ihardlimit; 162 break; 163 default: 164 warnx("incorrect quota specification: " 165 "%s", oldoptarg); 166 usage(); 167 break; /* XXX: report an error */ 168 } 169 if (limp != NULL) { 170 lim = strtoll(cp, NULL, 10); 171 if (lim < 0 || lim > UINT_MAX) 172 errx(1, "invalid limit value: " 173 "%lld", lim); 174 *limp = (u_int32_t)lim; 175 } 176 } 177 qup->dqblk.dqb_bsoftlimit = 178 btodb((off_t)qup->dqblk.dqb_bsoftlimit * 1024); 179 qup->dqblk.dqb_bhardlimit = 180 btodb((off_t)qup->dqblk.dqb_bhardlimit * 1024); 181 if (protoprivs == NULL) { 182 protoprivs = curprivs = qup; 183 } else { 184 curprivs->next = qup; 185 curprivs = qup; 186 } 187 eflag++; 188 pflag++; 189 break; 190 default: 191 usage(); 192 } 193 } 194 argc -= optind; 195 argv += optind; 196 if (pflag) { 197 if (protoprivs == NULL) { 198 if ((protoid = getentry(protoname, quotatype)) == -1) 199 exit(1); 200 protoprivs = getprivs(protoid, quotatype, fspath); 201 for (qup = protoprivs; qup; qup = qup->next) { 202 qup->dqblk.dqb_btime = 0; 203 qup->dqblk.dqb_itime = 0; 204 } 205 } 206 for (; argc-- > 0; argv++) { 207 if (strspn(*argv, "0123456789-") == strlen(*argv) && 208 (cp = strchr(*argv, '-')) != NULL) { 209 *cp++ = '\0'; 210 startuid = atoi(*argv); 211 enduid = atoi(cp); 212 if (enduid < startuid) 213 errx(1, 214 "ending uid (%d) must be >= starting uid (%d) when using uid ranges", 215 enduid, startuid); 216 range = 1; 217 } else { 218 startuid = enduid = 0; 219 range = 0; 220 } 221 for ( ; startuid <= enduid; startuid++) { 222 if (range) 223 snprintf(buf, sizeof(buf), "%d", 224 startuid); 225 else 226 snprintf(buf, sizeof(buf), "%s", 227 *argv); 228 if ((id = getentry(buf, quotatype)) < 0) 229 continue; 230 if (eflag) { 231 for (qup = protoprivs; qup; 232 qup = qup->next) { 233 curprivs = getprivs(id, 234 quotatype, qup->fsname); 235 if (curprivs == NULL) 236 continue; 237 strcpy(qup->qfname, 238 curprivs->qfname); 239 strcpy(qup->fsname, 240 curprivs->fsname); 241 } 242 } 243 putprivs(id, quotatype, protoprivs); 244 } 245 } 246 exit(0); 247 } 248 tmpfd = mkstemp(tmpfil); 249 fchown(tmpfd, getuid(), getgid()); 250 if (tflag) { 251 protoprivs = getprivs(0, quotatype, fspath); 252 if (writetimes(protoprivs, tmpfd, quotatype) == 0) 253 exit(1); 254 if (editit(tmpfil) && readtimes(protoprivs, tmpfil)) 255 putprivs(0, quotatype, protoprivs); 256 freeprivs(protoprivs); 257 close(tmpfd); 258 unlink(tmpfil); 259 exit(0); 260 } 261 for ( ; argc > 0; argc--, argv++) { 262 if ((id = getentry(*argv, quotatype)) == -1) 263 continue; 264 curprivs = getprivs(id, quotatype, fspath); 265 if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0) 266 continue; 267 if (editit(tmpfil) && readprivs(curprivs, tmpfil)) 268 putprivs(id, quotatype, curprivs); 269 freeprivs(curprivs); 270 } 271 close(tmpfd); 272 unlink(tmpfil); 273 exit(0); 274 } 275 276 static void 277 usage() 278 { 279 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n", 280 "usage: edquota [-u] [-f fspath] [-p username] username ...", 281 " edquota [-u] -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]", 282 " username ...", 283 " edquota -g [-f fspath] [-p groupname] groupname ...", 284 " edquota -g -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]", 285 " groupname ...", 286 " edquota [-u] -t [-f fspath]", 287 " edquota -g -t [-f fspath]"); 288 exit(1); 289 } 290 291 /* 292 * This routine converts a name for a particular quota type to 293 * an identifier. This routine must agree with the kernel routine 294 * getinoquota as to the interpretation of quota types. 295 */ 296 int 297 getentry(name, quotatype) 298 const char *name; 299 int quotatype; 300 { 301 struct passwd *pw; 302 struct group *gr; 303 304 if (alldigits(name)) 305 return (atoi(name)); 306 switch(quotatype) { 307 case USRQUOTA: 308 if ((pw = getpwnam(name))) 309 return (pw->pw_uid); 310 warnx("%s: no such user", name); 311 break; 312 case GRPQUOTA: 313 if ((gr = getgrnam(name))) 314 return (gr->gr_gid); 315 warnx("%s: no such group", name); 316 break; 317 default: 318 warnx("%d: unknown quota type", quotatype); 319 break; 320 } 321 sleep(1); 322 return (-1); 323 } 324 325 /* 326 * Collect the requested quota information. 327 */ 328 struct quotause * 329 getprivs(id, quotatype, fspath) 330 register long id; 331 int quotatype; 332 char *fspath; 333 { 334 register struct fstab *fs; 335 register struct quotause *qup, *quptail; 336 struct quotause *quphead; 337 int qcmd, qupsize, fd; 338 char *qfpathname; 339 static int warned = 0; 340 341 setfsent(); 342 quphead = (struct quotause *)0; 343 qcmd = QCMD(Q_GETQUOTA, quotatype); 344 while ((fs = getfsent())) { 345 if (fspath && *fspath && strcmp(fspath, fs->fs_spec) && 346 strcmp(fspath, fs->fs_file)) 347 continue; 348 if (strcmp(fs->fs_vfstype, "ufs")) 349 continue; 350 if (!hasquota(fs, quotatype, &qfpathname)) 351 continue; 352 qupsize = sizeof(*qup) + strlen(qfpathname); 353 if ((qup = (struct quotause *)malloc(qupsize)) == NULL) 354 errx(2, "out of memory"); 355 if (quotactl(fs->fs_file, qcmd, id, &qup->dqblk) != 0) { 356 if (errno == EOPNOTSUPP && !warned) { 357 warned++; 358 warnx("warning: quotas are not compiled into this kernel"); 359 sleep(3); 360 } 361 if ((fd = open(qfpathname, O_RDONLY)) < 0) { 362 fd = open(qfpathname, O_RDWR|O_CREAT, 0640); 363 if (fd < 0 && errno != ENOENT) { 364 warn("%s", qfpathname); 365 free(qup); 366 continue; 367 } 368 warnx("creating quota file %s", qfpathname); 369 sleep(3); 370 (void) fchown(fd, getuid(), 371 getentry(quotagroup, GRPQUOTA)); 372 (void) fchmod(fd, 0640); 373 } 374 lseek(fd, (long)(id * sizeof(struct dqblk)), L_SET); 375 switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) { 376 case 0: /* EOF */ 377 /* 378 * Convert implicit 0 quota (EOF) 379 * into an explicit one (zero'ed dqblk) 380 */ 381 bzero((caddr_t)&qup->dqblk, 382 sizeof(struct dqblk)); 383 break; 384 385 case sizeof(struct dqblk): /* OK */ 386 break; 387 388 default: /* ERROR */ 389 warn("read error in %s", qfpathname); 390 close(fd); 391 free(qup); 392 continue; 393 } 394 close(fd); 395 } 396 strcpy(qup->qfname, qfpathname); 397 strcpy(qup->fsname, fs->fs_file); 398 if (quphead == NULL) 399 quphead = qup; 400 else 401 quptail->next = qup; 402 quptail = qup; 403 qup->next = 0; 404 } 405 endfsent(); 406 return (quphead); 407 } 408 409 /* 410 * Store the requested quota information. 411 */ 412 void 413 putprivs(id, quotatype, quplist) 414 long id; 415 int quotatype; 416 struct quotause *quplist; 417 { 418 register struct quotause *qup; 419 int qcmd, fd; 420 421 qcmd = QCMD(Q_SETQUOTA, quotatype); 422 for (qup = quplist; qup; qup = qup->next) { 423 if (quotactl(qup->fsname, qcmd, id, &qup->dqblk) == 0) 424 continue; 425 if ((fd = open(qup->qfname, O_WRONLY)) < 0) { 426 warn("%s", qup->qfname); 427 } else { 428 lseek(fd, (long)id * (long)sizeof (struct dqblk), 0); 429 if (write(fd, &qup->dqblk, sizeof (struct dqblk)) != 430 sizeof (struct dqblk)) { 431 warn("%s", qup->qfname); 432 } 433 close(fd); 434 } 435 } 436 } 437 438 /* 439 * Take a list of priviledges and get it edited. 440 */ 441 int 442 editit(tmpf) 443 char *tmpf; 444 { 445 long omask; 446 int pid, status; 447 448 omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP)); 449 top: 450 if ((pid = fork()) < 0) { 451 452 if (errno == EPROCLIM) { 453 warnx("you have too many processes"); 454 return(0); 455 } 456 if (errno == EAGAIN) { 457 sleep(1); 458 goto top; 459 } 460 warn("fork"); 461 return (0); 462 } 463 if (pid == 0) { 464 register const char *ed; 465 466 sigsetmask(omask); 467 setgid(getgid()); 468 setuid(getuid()); 469 if ((ed = getenv("EDITOR")) == (char *)0) 470 ed = _PATH_VI; 471 execlp(ed, ed, tmpf, (char *)0); 472 err(1, "%s", ed); 473 } 474 waitpid(pid, &status, 0); 475 sigsetmask(omask); 476 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) 477 return (0); 478 return (1); 479 } 480 481 /* 482 * Convert a quotause list to an ASCII file. 483 */ 484 int 485 writeprivs(quplist, outfd, name, quotatype) 486 struct quotause *quplist; 487 int outfd; 488 char *name; 489 int quotatype; 490 { 491 register struct quotause *qup; 492 FILE *fd; 493 494 ftruncate(outfd, 0); 495 lseek(outfd, 0, L_SET); 496 if ((fd = fdopen(dup(outfd), "w")) == NULL) 497 err(1, "%s", tmpfil); 498 fprintf(fd, "Quotas for %s %s:\n", qfextension[quotatype], name); 499 for (qup = quplist; qup; qup = qup->next) { 500 fprintf(fd, "%s: %s %lu, limits (soft = %lu, hard = %lu)\n", 501 qup->fsname, "kbytes in use:", 502 (unsigned long)(dbtob(qup->dqblk.dqb_curblocks) / 1024), 503 (unsigned long)(dbtob(qup->dqblk.dqb_bsoftlimit) / 1024), 504 (unsigned long)(dbtob(qup->dqblk.dqb_bhardlimit) / 1024)); 505 fprintf(fd, "%s %lu, limits (soft = %lu, hard = %lu)\n", 506 "\tinodes in use:", 507 (unsigned long)qup->dqblk.dqb_curinodes, 508 (unsigned long)qup->dqblk.dqb_isoftlimit, 509 (unsigned long)qup->dqblk.dqb_ihardlimit); 510 } 511 fclose(fd); 512 return (1); 513 } 514 515 /* 516 * Merge changes to an ASCII file into a quotause list. 517 */ 518 int 519 readprivs(quplist, inname) 520 struct quotause *quplist; 521 char *inname; 522 { 523 register struct quotause *qup; 524 FILE *fd; 525 unsigned long bhardlimit, bsoftlimit, curblocks; 526 unsigned long ihardlimit, isoftlimit, curinodes; 527 int cnt; 528 register char *cp; 529 struct dqblk dqblk; 530 char *fsp, line1[BUFSIZ], line2[BUFSIZ]; 531 532 fd = fopen(inname, "r"); 533 if (fd == NULL) { 534 warnx("can't re-read temp file!!"); 535 return (0); 536 } 537 /* 538 * Discard title line, then read pairs of lines to process. 539 */ 540 (void) fgets(line1, sizeof (line1), fd); 541 while (fgets(line1, sizeof (line1), fd) != NULL && 542 fgets(line2, sizeof (line2), fd) != NULL) { 543 if ((fsp = strtok(line1, " \t:")) == NULL) { 544 warnx("%s: bad format", line1); 545 return (0); 546 } 547 if ((cp = strtok((char *)0, "\n")) == NULL) { 548 warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]); 549 return (0); 550 } 551 cnt = sscanf(cp, 552 " kbytes in use: %lu, limits (soft = %lu, hard = %lu)", 553 &curblocks, &bsoftlimit, &bhardlimit); 554 if (cnt != 3) { 555 warnx("%s:%s: bad format", fsp, cp); 556 return (0); 557 } 558 dqblk.dqb_curblocks = btodb((off_t)curblocks * 1024); 559 dqblk.dqb_bsoftlimit = btodb((off_t)bsoftlimit * 1024); 560 dqblk.dqb_bhardlimit = btodb((off_t)bhardlimit * 1024); 561 if ((cp = strtok(line2, "\n")) == NULL) { 562 warnx("%s: %s: bad format", fsp, line2); 563 return (0); 564 } 565 cnt = sscanf(cp, 566 "\tinodes in use: %lu, limits (soft = %lu, hard = %lu)", 567 &curinodes, &isoftlimit, &ihardlimit); 568 if (cnt != 3) { 569 warnx("%s: %s: bad format", fsp, line2); 570 return (0); 571 } 572 dqblk.dqb_curinodes = curinodes; 573 dqblk.dqb_isoftlimit = isoftlimit; 574 dqblk.dqb_ihardlimit = ihardlimit; 575 for (qup = quplist; qup; qup = qup->next) { 576 if (strcmp(fsp, qup->fsname)) 577 continue; 578 /* 579 * Cause time limit to be reset when the quota 580 * is next used if previously had no soft limit 581 * or were under it, but now have a soft limit 582 * and are over it. 583 */ 584 if (dqblk.dqb_bsoftlimit && 585 qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit && 586 (qup->dqblk.dqb_bsoftlimit == 0 || 587 qup->dqblk.dqb_curblocks < 588 qup->dqblk.dqb_bsoftlimit)) 589 qup->dqblk.dqb_btime = 0; 590 if (dqblk.dqb_isoftlimit && 591 qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit && 592 (qup->dqblk.dqb_isoftlimit == 0 || 593 qup->dqblk.dqb_curinodes < 594 qup->dqblk.dqb_isoftlimit)) 595 qup->dqblk.dqb_itime = 0; 596 qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit; 597 qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit; 598 qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit; 599 qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit; 600 qup->flags |= FOUND; 601 if (dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks && 602 dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes) 603 break; 604 warnx("%s: cannot change current allocation", fsp); 605 break; 606 } 607 } 608 fclose(fd); 609 /* 610 * Disable quotas for any filesystems that have not been found. 611 */ 612 for (qup = quplist; qup; qup = qup->next) { 613 if (qup->flags & FOUND) { 614 qup->flags &= ~FOUND; 615 continue; 616 } 617 qup->dqblk.dqb_bsoftlimit = 0; 618 qup->dqblk.dqb_bhardlimit = 0; 619 qup->dqblk.dqb_isoftlimit = 0; 620 qup->dqblk.dqb_ihardlimit = 0; 621 } 622 return (1); 623 } 624 625 /* 626 * Convert a quotause list to an ASCII file of grace times. 627 */ 628 int 629 writetimes(quplist, outfd, quotatype) 630 struct quotause *quplist; 631 int outfd; 632 int quotatype; 633 { 634 register struct quotause *qup; 635 FILE *fd; 636 637 ftruncate(outfd, 0); 638 lseek(outfd, 0, L_SET); 639 if ((fd = fdopen(dup(outfd), "w")) == NULL) 640 err(1, "%s", tmpfil); 641 fprintf(fd, "Time units may be: days, hours, minutes, or seconds\n"); 642 fprintf(fd, "Grace period before enforcing soft limits for %ss:\n", 643 qfextension[quotatype]); 644 for (qup = quplist; qup; qup = qup->next) { 645 fprintf(fd, "%s: block grace period: %s, ", 646 qup->fsname, cvtstoa(qup->dqblk.dqb_btime)); 647 fprintf(fd, "file grace period: %s\n", 648 cvtstoa(qup->dqblk.dqb_itime)); 649 } 650 fclose(fd); 651 return (1); 652 } 653 654 /* 655 * Merge changes of grace times in an ASCII file into a quotause list. 656 */ 657 int 658 readtimes(quplist, inname) 659 struct quotause *quplist; 660 char *inname; 661 { 662 register struct quotause *qup; 663 FILE *fd; 664 int cnt; 665 register char *cp; 666 time_t itime, btime, iseconds, bseconds; 667 long l_itime, l_btime; 668 char *fsp, bunits[10], iunits[10], line1[BUFSIZ]; 669 670 fd = fopen(inname, "r"); 671 if (fd == NULL) { 672 warnx("can't re-read temp file!!"); 673 return (0); 674 } 675 /* 676 * Discard two title lines, then read lines to process. 677 */ 678 (void) fgets(line1, sizeof (line1), fd); 679 (void) fgets(line1, sizeof (line1), fd); 680 while (fgets(line1, sizeof (line1), fd) != NULL) { 681 if ((fsp = strtok(line1, " \t:")) == NULL) { 682 warnx("%s: bad format", line1); 683 return (0); 684 } 685 if ((cp = strtok((char *)0, "\n")) == NULL) { 686 warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]); 687 return (0); 688 } 689 cnt = sscanf(cp, 690 " block grace period: %ld %s file grace period: %ld %s", 691 &l_btime, bunits, &l_itime, iunits); 692 if (cnt != 4) { 693 warnx("%s:%s: bad format", fsp, cp); 694 return (0); 695 } 696 btime = l_btime; 697 itime = l_itime; 698 if (cvtatos(btime, bunits, &bseconds) == 0) 699 return (0); 700 if (cvtatos(itime, iunits, &iseconds) == 0) 701 return (0); 702 for (qup = quplist; qup; qup = qup->next) { 703 if (strcmp(fsp, qup->fsname)) 704 continue; 705 qup->dqblk.dqb_btime = bseconds; 706 qup->dqblk.dqb_itime = iseconds; 707 qup->flags |= FOUND; 708 break; 709 } 710 } 711 fclose(fd); 712 /* 713 * reset default grace periods for any filesystems 714 * that have not been found. 715 */ 716 for (qup = quplist; qup; qup = qup->next) { 717 if (qup->flags & FOUND) { 718 qup->flags &= ~FOUND; 719 continue; 720 } 721 qup->dqblk.dqb_btime = 0; 722 qup->dqblk.dqb_itime = 0; 723 } 724 return (1); 725 } 726 727 /* 728 * Convert seconds to ASCII times. 729 */ 730 char * 731 cvtstoa(secs) 732 time_t secs; 733 { 734 static char buf[20]; 735 736 if (secs % (24 * 60 * 60) == 0) { 737 secs /= 24 * 60 * 60; 738 sprintf(buf, "%ld day%s", (long)secs, secs == 1 ? "" : "s"); 739 } else if (secs % (60 * 60) == 0) { 740 secs /= 60 * 60; 741 sprintf(buf, "%ld hour%s", (long)secs, secs == 1 ? "" : "s"); 742 } else if (secs % 60 == 0) { 743 secs /= 60; 744 sprintf(buf, "%ld minute%s", (long)secs, secs == 1 ? "" : "s"); 745 } else 746 sprintf(buf, "%ld second%s", (long)secs, secs == 1 ? "" : "s"); 747 return (buf); 748 } 749 750 /* 751 * Convert ASCII input times to seconds. 752 */ 753 int 754 cvtatos(period, units, seconds) 755 time_t period; 756 char *units; 757 time_t *seconds; 758 { 759 760 if (bcmp(units, "second", 6) == 0) 761 *seconds = period; 762 else if (bcmp(units, "minute", 6) == 0) 763 *seconds = period * 60; 764 else if (bcmp(units, "hour", 4) == 0) 765 *seconds = period * 60 * 60; 766 else if (bcmp(units, "day", 3) == 0) 767 *seconds = period * 24 * 60 * 60; 768 else { 769 printf("%s: bad units, specify %s\n", units, 770 "days, hours, minutes, or seconds"); 771 return (0); 772 } 773 return (1); 774 } 775 776 /* 777 * Free a list of quotause structures. 778 */ 779 void 780 freeprivs(quplist) 781 struct quotause *quplist; 782 { 783 register struct quotause *qup, *nextqup; 784 785 for (qup = quplist; qup; qup = nextqup) { 786 nextqup = qup->next; 787 free(qup); 788 } 789 } 790 791 /* 792 * Check whether a string is completely composed of digits. 793 */ 794 int 795 alldigits(s) 796 register const char *s; 797 { 798 register int c; 799 800 c = *s++; 801 do { 802 if (!isdigit(c)) 803 return (0); 804 } while ((c = *s++)); 805 return (1); 806 } 807 808 /* 809 * Check to see if a particular quota is to be enabled. 810 */ 811 int 812 hasquota(fs, type, qfnamep) 813 register struct fstab *fs; 814 int type; 815 char **qfnamep; 816 { 817 register char *opt; 818 char *cp; 819 static char initname, usrname[100], grpname[100]; 820 static char buf[BUFSIZ]; 821 822 if (!initname) { 823 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname); 824 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname); 825 initname = 1; 826 } 827 strcpy(buf, fs->fs_mntops); 828 for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) { 829 if ((cp = index(opt, '='))) 830 *cp++ = '\0'; 831 if (type == USRQUOTA && strcmp(opt, usrname) == 0) 832 break; 833 if (type == GRPQUOTA && strcmp(opt, grpname) == 0) 834 break; 835 } 836 if (!opt) 837 return (0); 838 if (cp) { 839 *qfnamep = cp; 840 return (1); 841 } 842 (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]); 843 *qfnamep = buf; 844 return (1); 845 } 846