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 * @(#) Copyright (c) 1980, 1990, 1993 The Regents of the University of California. All rights reserved. 37 * @(#)edquota.c 8.1 (Berkeley) 6/6/93 38 * $FreeBSD: src/usr.sbin/edquota/edquota.c,v 1.9.2.6 2002/10/31 22:38:43 iedowse Exp $ 39 * $DragonFly: src/usr.sbin/edquota/edquota.c,v 1.2 2003/06/17 04:29:53 dillon Exp $ 40 */ 41 42 /* 43 * Disk quota editor. 44 */ 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 #include <sys/file.h> 48 #include <sys/wait.h> 49 #include <ufs/ufs/quota.h> 50 #include <ctype.h> 51 #include <err.h> 52 #include <errno.h> 53 #include <fstab.h> 54 #include <grp.h> 55 #include <pwd.h> 56 #include <signal.h> 57 #include <stdio.h> 58 #include <stdlib.h> 59 #include <string.h> 60 #include <unistd.h> 61 #include "pathnames.h" 62 63 const char *qfname = QUOTAFILENAME; 64 const char *qfextension[] = INITQFNAMES; 65 const char *quotagroup = QUOTAGROUP; 66 char tmpfil[] = _PATH_TMP; 67 68 struct quotause { 69 struct quotause *next; 70 long flags; 71 struct dqblk dqblk; 72 char fsname[MAXPATHLEN + 1]; 73 char qfname[1]; /* actually longer */ 74 }; 75 #define FOUND 0x01 76 77 int alldigits(const char *s); 78 int cvtatos(time_t, char *, time_t *); 79 char *cvtstoa(time_t); 80 int editit(char *); 81 void freeprivs(struct quotause *); 82 int getentry(const char *, int); 83 struct quotause *getprivs(long, int, char *); 84 int hasquota(struct fstab *, int, char **); 85 void putprivs(long, int, struct quotause *); 86 int readprivs(struct quotause *, char *); 87 int readtimes(struct quotause *, char *); 88 static void usage(void); 89 int writetimes(struct quotause *, int, int); 90 int writeprivs(struct quotause *, int, char *, int); 91 92 int 93 main(int argc, char **argv) 94 { 95 struct quotause *qup, *protoprivs, *curprivs; 96 long id, protoid; 97 long long lim; 98 int i, quotatype, range, tmpfd; 99 uid_t startuid, enduid; 100 u_int32_t *limp; 101 char *protoname, *cp, *oldoptarg, ch; 102 int eflag = 0, tflag = 0, pflag = 0; 103 char *fspath = NULL; 104 char buf[30]; 105 106 if (argc < 2) 107 usage(); 108 if (getuid()) 109 errx(1, "permission denied"); 110 quotatype = USRQUOTA; 111 protoprivs = NULL; 112 while ((ch = getopt(argc, argv, "ugtf:p:e:")) != -1) { 113 switch(ch) { 114 case 'f': 115 fspath = optarg; 116 break; 117 case 'p': 118 protoname = optarg; 119 pflag++; 120 break; 121 case 'g': 122 quotatype = GRPQUOTA; 123 break; 124 case 'u': 125 quotatype = USRQUOTA; 126 break; 127 case 't': 128 tflag++; 129 break; 130 case 'e': 131 if ((qup = malloc(sizeof(*qup))) == NULL) 132 errx(2, "out of memory"); 133 bzero(qup, sizeof(*qup)); 134 i = 0; 135 oldoptarg = optarg; 136 for (cp = optarg; (cp = strsep(&optarg, ":")) != NULL; 137 i++) { 138 if (cp != oldoptarg) 139 *(cp - 1) = ':'; 140 limp = NULL; 141 switch (i) { 142 case 0: 143 strlcpy(qup->fsname, cp, 144 sizeof(qup->fsname)); 145 break; 146 case 1: 147 limp = &qup->dqblk.dqb_bsoftlimit; 148 break; 149 case 2: 150 limp = &qup->dqblk.dqb_bhardlimit; 151 break; 152 case 3: 153 limp = &qup->dqblk.dqb_isoftlimit; 154 break; 155 case 4: 156 limp = &qup->dqblk.dqb_ihardlimit; 157 break; 158 default: 159 warnx("incorrect quota specification: " 160 "%s", oldoptarg); 161 usage(); 162 break; /* XXX: report an error */ 163 } 164 if (limp != NULL) { 165 lim = strtoll(cp, NULL, 10); 166 if (lim < 0 || lim > UINT_MAX) 167 errx(1, "invalid limit value: " 168 "%lld", lim); 169 *limp = (u_int32_t)lim; 170 } 171 } 172 qup->dqblk.dqb_bsoftlimit = 173 btodb((off_t)qup->dqblk.dqb_bsoftlimit * 1024); 174 qup->dqblk.dqb_bhardlimit = 175 btodb((off_t)qup->dqblk.dqb_bhardlimit * 1024); 176 if (protoprivs == NULL) { 177 protoprivs = curprivs = qup; 178 } else { 179 curprivs->next = qup; 180 curprivs = qup; 181 } 182 eflag++; 183 pflag++; 184 break; 185 default: 186 usage(); 187 } 188 } 189 argc -= optind; 190 argv += optind; 191 if (pflag) { 192 if (protoprivs == NULL) { 193 if ((protoid = getentry(protoname, quotatype)) == -1) 194 exit(1); 195 protoprivs = getprivs(protoid, quotatype, fspath); 196 for (qup = protoprivs; qup; qup = qup->next) { 197 qup->dqblk.dqb_btime = 0; 198 qup->dqblk.dqb_itime = 0; 199 } 200 } 201 for (; argc-- > 0; argv++) { 202 if (strspn(*argv, "0123456789-") == strlen(*argv) && 203 (cp = strchr(*argv, '-')) != NULL) { 204 *cp++ = '\0'; 205 startuid = atoi(*argv); 206 enduid = atoi(cp); 207 if (enduid < startuid) 208 errx(1, 209 "ending uid (%d) must be >= starting uid (%d) when using uid ranges", 210 enduid, startuid); 211 range = 1; 212 } else { 213 startuid = enduid = 0; 214 range = 0; 215 } 216 for ( ; startuid <= enduid; startuid++) { 217 if (range) 218 snprintf(buf, sizeof(buf), "%d", 219 startuid); 220 else 221 snprintf(buf, sizeof(buf), "%s", 222 *argv); 223 if ((id = getentry(buf, quotatype)) < 0) 224 continue; 225 if (eflag) { 226 for (qup = protoprivs; qup; 227 qup = qup->next) { 228 curprivs = getprivs(id, 229 quotatype, qup->fsname); 230 if (curprivs == NULL) 231 continue; 232 strcpy(qup->qfname, 233 curprivs->qfname); 234 strcpy(qup->fsname, 235 curprivs->fsname); 236 } 237 } 238 putprivs(id, quotatype, protoprivs); 239 } 240 } 241 exit(0); 242 } 243 tmpfd = mkstemp(tmpfil); 244 fchown(tmpfd, getuid(), getgid()); 245 if (tflag) { 246 protoprivs = getprivs(0, quotatype, fspath); 247 if (writetimes(protoprivs, tmpfd, quotatype) == 0) 248 exit(1); 249 if (editit(tmpfil) && readtimes(protoprivs, tmpfil)) 250 putprivs(0, quotatype, protoprivs); 251 freeprivs(protoprivs); 252 close(tmpfd); 253 unlink(tmpfil); 254 exit(0); 255 } 256 for ( ; argc > 0; argc--, argv++) { 257 if ((id = getentry(*argv, quotatype)) == -1) 258 continue; 259 curprivs = getprivs(id, quotatype, fspath); 260 if (writeprivs(curprivs, tmpfd, *argv, quotatype) == 0) 261 continue; 262 if (editit(tmpfil) && readprivs(curprivs, tmpfil)) 263 putprivs(id, quotatype, curprivs); 264 freeprivs(curprivs); 265 } 266 close(tmpfd); 267 unlink(tmpfil); 268 exit(0); 269 } 270 271 static void 272 usage() 273 { 274 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n", 275 "usage: edquota [-u] [-f fspath] [-p username] username ...", 276 " edquota [-u] -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]", 277 " username ...", 278 " edquota -g [-f fspath] [-p groupname] groupname ...", 279 " edquota -g -e fspath[:bslim[:bhlim[:islim[:ihlim]]]] [-e ...]", 280 " groupname ...", 281 " edquota [-u] -t [-f fspath]", 282 " edquota -g -t [-f fspath]"); 283 exit(1); 284 } 285 286 /* 287 * This routine converts a name for a particular quota type to 288 * an identifier. This routine must agree with the kernel routine 289 * getinoquota as to the interpretation of quota types. 290 */ 291 int 292 getentry(name, quotatype) 293 const char *name; 294 int quotatype; 295 { 296 struct passwd *pw; 297 struct group *gr; 298 299 if (alldigits(name)) 300 return (atoi(name)); 301 switch(quotatype) { 302 case USRQUOTA: 303 if ((pw = getpwnam(name))) 304 return (pw->pw_uid); 305 warnx("%s: no such user", name); 306 break; 307 case GRPQUOTA: 308 if ((gr = getgrnam(name))) 309 return (gr->gr_gid); 310 warnx("%s: no such group", name); 311 break; 312 default: 313 warnx("%d: unknown quota type", quotatype); 314 break; 315 } 316 sleep(1); 317 return (-1); 318 } 319 320 /* 321 * Collect the requested quota information. 322 */ 323 struct quotause * 324 getprivs(id, quotatype, fspath) 325 register long id; 326 int quotatype; 327 char *fspath; 328 { 329 register struct fstab *fs; 330 register struct quotause *qup, *quptail; 331 struct quotause *quphead; 332 int qcmd, qupsize, fd; 333 char *qfpathname; 334 static int warned = 0; 335 336 setfsent(); 337 quphead = (struct quotause *)0; 338 qcmd = QCMD(Q_GETQUOTA, quotatype); 339 while ((fs = getfsent())) { 340 if (fspath && *fspath && strcmp(fspath, fs->fs_spec) && 341 strcmp(fspath, fs->fs_file)) 342 continue; 343 if (strcmp(fs->fs_vfstype, "ufs")) 344 continue; 345 if (!hasquota(fs, quotatype, &qfpathname)) 346 continue; 347 qupsize = sizeof(*qup) + strlen(qfpathname); 348 if ((qup = (struct quotause *)malloc(qupsize)) == NULL) 349 errx(2, "out of memory"); 350 if (quotactl(fs->fs_file, qcmd, id, &qup->dqblk) != 0) { 351 if (errno == EOPNOTSUPP && !warned) { 352 warned++; 353 warnx("warning: quotas are not compiled into this kernel"); 354 sleep(3); 355 } 356 if ((fd = open(qfpathname, O_RDONLY)) < 0) { 357 fd = open(qfpathname, O_RDWR|O_CREAT, 0640); 358 if (fd < 0 && errno != ENOENT) { 359 warn("%s", qfpathname); 360 free(qup); 361 continue; 362 } 363 warnx("creating quota file %s", qfpathname); 364 sleep(3); 365 (void) fchown(fd, getuid(), 366 getentry(quotagroup, GRPQUOTA)); 367 (void) fchmod(fd, 0640); 368 } 369 lseek(fd, (long)(id * sizeof(struct dqblk)), L_SET); 370 switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) { 371 case 0: /* EOF */ 372 /* 373 * Convert implicit 0 quota (EOF) 374 * into an explicit one (zero'ed dqblk) 375 */ 376 bzero((caddr_t)&qup->dqblk, 377 sizeof(struct dqblk)); 378 break; 379 380 case sizeof(struct dqblk): /* OK */ 381 break; 382 383 default: /* ERROR */ 384 warn("read error in %s", qfpathname); 385 close(fd); 386 free(qup); 387 continue; 388 } 389 close(fd); 390 } 391 strcpy(qup->qfname, qfpathname); 392 strcpy(qup->fsname, fs->fs_file); 393 if (quphead == NULL) 394 quphead = qup; 395 else 396 quptail->next = qup; 397 quptail = qup; 398 qup->next = 0; 399 } 400 endfsent(); 401 return (quphead); 402 } 403 404 /* 405 * Store the requested quota information. 406 */ 407 void 408 putprivs(id, quotatype, quplist) 409 long id; 410 int quotatype; 411 struct quotause *quplist; 412 { 413 register struct quotause *qup; 414 int qcmd, fd; 415 416 qcmd = QCMD(Q_SETQUOTA, quotatype); 417 for (qup = quplist; qup; qup = qup->next) { 418 if (quotactl(qup->fsname, qcmd, id, &qup->dqblk) == 0) 419 continue; 420 if ((fd = open(qup->qfname, O_WRONLY)) < 0) { 421 warn("%s", qup->qfname); 422 } else { 423 lseek(fd, (long)id * (long)sizeof (struct dqblk), 0); 424 if (write(fd, &qup->dqblk, sizeof (struct dqblk)) != 425 sizeof (struct dqblk)) { 426 warn("%s", qup->qfname); 427 } 428 close(fd); 429 } 430 } 431 } 432 433 /* 434 * Take a list of priviledges and get it edited. 435 */ 436 int 437 editit(tmpf) 438 char *tmpf; 439 { 440 long omask; 441 int pid, status; 442 443 omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP)); 444 top: 445 if ((pid = fork()) < 0) { 446 447 if (errno == EPROCLIM) { 448 warnx("you have too many processes"); 449 return(0); 450 } 451 if (errno == EAGAIN) { 452 sleep(1); 453 goto top; 454 } 455 warn("fork"); 456 return (0); 457 } 458 if (pid == 0) { 459 register const char *ed; 460 461 sigsetmask(omask); 462 setgid(getgid()); 463 setuid(getuid()); 464 if ((ed = getenv("EDITOR")) == (char *)0) 465 ed = _PATH_VI; 466 execlp(ed, ed, tmpf, (char *)0); 467 err(1, "%s", ed); 468 } 469 waitpid(pid, &status, 0); 470 sigsetmask(omask); 471 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) 472 return (0); 473 return (1); 474 } 475 476 /* 477 * Convert a quotause list to an ASCII file. 478 */ 479 int 480 writeprivs(quplist, outfd, name, quotatype) 481 struct quotause *quplist; 482 int outfd; 483 char *name; 484 int quotatype; 485 { 486 register struct quotause *qup; 487 FILE *fd; 488 489 ftruncate(outfd, 0); 490 lseek(outfd, 0, L_SET); 491 if ((fd = fdopen(dup(outfd), "w")) == NULL) 492 err(1, "%s", tmpfil); 493 fprintf(fd, "Quotas for %s %s:\n", qfextension[quotatype], name); 494 for (qup = quplist; qup; qup = qup->next) { 495 fprintf(fd, "%s: %s %lu, limits (soft = %lu, hard = %lu)\n", 496 qup->fsname, "kbytes in use:", 497 (unsigned long)(dbtob(qup->dqblk.dqb_curblocks) / 1024), 498 (unsigned long)(dbtob(qup->dqblk.dqb_bsoftlimit) / 1024), 499 (unsigned long)(dbtob(qup->dqblk.dqb_bhardlimit) / 1024)); 500 fprintf(fd, "%s %lu, limits (soft = %lu, hard = %lu)\n", 501 "\tinodes in use:", 502 (unsigned long)qup->dqblk.dqb_curinodes, 503 (unsigned long)qup->dqblk.dqb_isoftlimit, 504 (unsigned long)qup->dqblk.dqb_ihardlimit); 505 } 506 fclose(fd); 507 return (1); 508 } 509 510 /* 511 * Merge changes to an ASCII file into a quotause list. 512 */ 513 int 514 readprivs(quplist, inname) 515 struct quotause *quplist; 516 char *inname; 517 { 518 register struct quotause *qup; 519 FILE *fd; 520 unsigned long bhardlimit, bsoftlimit, curblocks; 521 unsigned long ihardlimit, isoftlimit, curinodes; 522 int cnt; 523 register char *cp; 524 struct dqblk dqblk; 525 char *fsp, line1[BUFSIZ], line2[BUFSIZ]; 526 527 fd = fopen(inname, "r"); 528 if (fd == NULL) { 529 warnx("can't re-read temp file!!"); 530 return (0); 531 } 532 /* 533 * Discard title line, then read pairs of lines to process. 534 */ 535 (void) fgets(line1, sizeof (line1), fd); 536 while (fgets(line1, sizeof (line1), fd) != NULL && 537 fgets(line2, sizeof (line2), fd) != NULL) { 538 if ((fsp = strtok(line1, " \t:")) == NULL) { 539 warnx("%s: bad format", line1); 540 return (0); 541 } 542 if ((cp = strtok((char *)0, "\n")) == NULL) { 543 warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]); 544 return (0); 545 } 546 cnt = sscanf(cp, 547 " kbytes in use: %lu, limits (soft = %lu, hard = %lu)", 548 &curblocks, &bsoftlimit, &bhardlimit); 549 if (cnt != 3) { 550 warnx("%s:%s: bad format", fsp, cp); 551 return (0); 552 } 553 dqblk.dqb_curblocks = btodb((off_t)curblocks * 1024); 554 dqblk.dqb_bsoftlimit = btodb((off_t)bsoftlimit * 1024); 555 dqblk.dqb_bhardlimit = btodb((off_t)bhardlimit * 1024); 556 if ((cp = strtok(line2, "\n")) == NULL) { 557 warnx("%s: %s: bad format", fsp, line2); 558 return (0); 559 } 560 cnt = sscanf(cp, 561 "\tinodes in use: %lu, limits (soft = %lu, hard = %lu)", 562 &curinodes, &isoftlimit, &ihardlimit); 563 if (cnt != 3) { 564 warnx("%s: %s: bad format", fsp, line2); 565 return (0); 566 } 567 dqblk.dqb_curinodes = curinodes; 568 dqblk.dqb_isoftlimit = isoftlimit; 569 dqblk.dqb_ihardlimit = ihardlimit; 570 for (qup = quplist; qup; qup = qup->next) { 571 if (strcmp(fsp, qup->fsname)) 572 continue; 573 /* 574 * Cause time limit to be reset when the quota 575 * is next used if previously had no soft limit 576 * or were under it, but now have a soft limit 577 * and are over it. 578 */ 579 if (dqblk.dqb_bsoftlimit && 580 qup->dqblk.dqb_curblocks >= dqblk.dqb_bsoftlimit && 581 (qup->dqblk.dqb_bsoftlimit == 0 || 582 qup->dqblk.dqb_curblocks < 583 qup->dqblk.dqb_bsoftlimit)) 584 qup->dqblk.dqb_btime = 0; 585 if (dqblk.dqb_isoftlimit && 586 qup->dqblk.dqb_curinodes >= dqblk.dqb_isoftlimit && 587 (qup->dqblk.dqb_isoftlimit == 0 || 588 qup->dqblk.dqb_curinodes < 589 qup->dqblk.dqb_isoftlimit)) 590 qup->dqblk.dqb_itime = 0; 591 qup->dqblk.dqb_bsoftlimit = dqblk.dqb_bsoftlimit; 592 qup->dqblk.dqb_bhardlimit = dqblk.dqb_bhardlimit; 593 qup->dqblk.dqb_isoftlimit = dqblk.dqb_isoftlimit; 594 qup->dqblk.dqb_ihardlimit = dqblk.dqb_ihardlimit; 595 qup->flags |= FOUND; 596 if (dqblk.dqb_curblocks == qup->dqblk.dqb_curblocks && 597 dqblk.dqb_curinodes == qup->dqblk.dqb_curinodes) 598 break; 599 warnx("%s: cannot change current allocation", fsp); 600 break; 601 } 602 } 603 fclose(fd); 604 /* 605 * Disable quotas for any filesystems that have not been found. 606 */ 607 for (qup = quplist; qup; qup = qup->next) { 608 if (qup->flags & FOUND) { 609 qup->flags &= ~FOUND; 610 continue; 611 } 612 qup->dqblk.dqb_bsoftlimit = 0; 613 qup->dqblk.dqb_bhardlimit = 0; 614 qup->dqblk.dqb_isoftlimit = 0; 615 qup->dqblk.dqb_ihardlimit = 0; 616 } 617 return (1); 618 } 619 620 /* 621 * Convert a quotause list to an ASCII file of grace times. 622 */ 623 int 624 writetimes(quplist, outfd, quotatype) 625 struct quotause *quplist; 626 int outfd; 627 int quotatype; 628 { 629 register struct quotause *qup; 630 FILE *fd; 631 632 ftruncate(outfd, 0); 633 lseek(outfd, 0, L_SET); 634 if ((fd = fdopen(dup(outfd), "w")) == NULL) 635 err(1, "%s", tmpfil); 636 fprintf(fd, "Time units may be: days, hours, minutes, or seconds\n"); 637 fprintf(fd, "Grace period before enforcing soft limits for %ss:\n", 638 qfextension[quotatype]); 639 for (qup = quplist; qup; qup = qup->next) { 640 fprintf(fd, "%s: block grace period: %s, ", 641 qup->fsname, cvtstoa(qup->dqblk.dqb_btime)); 642 fprintf(fd, "file grace period: %s\n", 643 cvtstoa(qup->dqblk.dqb_itime)); 644 } 645 fclose(fd); 646 return (1); 647 } 648 649 /* 650 * Merge changes of grace times in an ASCII file into a quotause list. 651 */ 652 int 653 readtimes(quplist, inname) 654 struct quotause *quplist; 655 char *inname; 656 { 657 register struct quotause *qup; 658 FILE *fd; 659 int cnt; 660 register char *cp; 661 time_t itime, btime, iseconds, bseconds; 662 long l_itime, l_btime; 663 char *fsp, bunits[10], iunits[10], line1[BUFSIZ]; 664 665 fd = fopen(inname, "r"); 666 if (fd == NULL) { 667 warnx("can't re-read temp file!!"); 668 return (0); 669 } 670 /* 671 * Discard two title lines, then read lines to process. 672 */ 673 (void) fgets(line1, sizeof (line1), fd); 674 (void) fgets(line1, sizeof (line1), fd); 675 while (fgets(line1, sizeof (line1), fd) != NULL) { 676 if ((fsp = strtok(line1, " \t:")) == NULL) { 677 warnx("%s: bad format", line1); 678 return (0); 679 } 680 if ((cp = strtok((char *)0, "\n")) == NULL) { 681 warnx("%s: %s: bad format", fsp, &fsp[strlen(fsp) + 1]); 682 return (0); 683 } 684 cnt = sscanf(cp, 685 " block grace period: %ld %s file grace period: %ld %s", 686 &l_btime, bunits, &l_itime, iunits); 687 if (cnt != 4) { 688 warnx("%s:%s: bad format", fsp, cp); 689 return (0); 690 } 691 btime = l_btime; 692 itime = l_itime; 693 if (cvtatos(btime, bunits, &bseconds) == 0) 694 return (0); 695 if (cvtatos(itime, iunits, &iseconds) == 0) 696 return (0); 697 for (qup = quplist; qup; qup = qup->next) { 698 if (strcmp(fsp, qup->fsname)) 699 continue; 700 qup->dqblk.dqb_btime = bseconds; 701 qup->dqblk.dqb_itime = iseconds; 702 qup->flags |= FOUND; 703 break; 704 } 705 } 706 fclose(fd); 707 /* 708 * reset default grace periods for any filesystems 709 * that have not been found. 710 */ 711 for (qup = quplist; qup; qup = qup->next) { 712 if (qup->flags & FOUND) { 713 qup->flags &= ~FOUND; 714 continue; 715 } 716 qup->dqblk.dqb_btime = 0; 717 qup->dqblk.dqb_itime = 0; 718 } 719 return (1); 720 } 721 722 /* 723 * Convert seconds to ASCII times. 724 */ 725 char * 726 cvtstoa(secs) 727 time_t secs; 728 { 729 static char buf[20]; 730 731 if (secs % (24 * 60 * 60) == 0) { 732 secs /= 24 * 60 * 60; 733 sprintf(buf, "%ld day%s", (long)secs, secs == 1 ? "" : "s"); 734 } else if (secs % (60 * 60) == 0) { 735 secs /= 60 * 60; 736 sprintf(buf, "%ld hour%s", (long)secs, secs == 1 ? "" : "s"); 737 } else if (secs % 60 == 0) { 738 secs /= 60; 739 sprintf(buf, "%ld minute%s", (long)secs, secs == 1 ? "" : "s"); 740 } else 741 sprintf(buf, "%ld second%s", (long)secs, secs == 1 ? "" : "s"); 742 return (buf); 743 } 744 745 /* 746 * Convert ASCII input times to seconds. 747 */ 748 int 749 cvtatos(period, units, seconds) 750 time_t period; 751 char *units; 752 time_t *seconds; 753 { 754 755 if (bcmp(units, "second", 6) == 0) 756 *seconds = period; 757 else if (bcmp(units, "minute", 6) == 0) 758 *seconds = period * 60; 759 else if (bcmp(units, "hour", 4) == 0) 760 *seconds = period * 60 * 60; 761 else if (bcmp(units, "day", 3) == 0) 762 *seconds = period * 24 * 60 * 60; 763 else { 764 printf("%s: bad units, specify %s\n", units, 765 "days, hours, minutes, or seconds"); 766 return (0); 767 } 768 return (1); 769 } 770 771 /* 772 * Free a list of quotause structures. 773 */ 774 void 775 freeprivs(quplist) 776 struct quotause *quplist; 777 { 778 register struct quotause *qup, *nextqup; 779 780 for (qup = quplist; qup; qup = nextqup) { 781 nextqup = qup->next; 782 free(qup); 783 } 784 } 785 786 /* 787 * Check whether a string is completely composed of digits. 788 */ 789 int 790 alldigits(s) 791 register const char *s; 792 { 793 register int c; 794 795 c = *s++; 796 do { 797 if (!isdigit(c)) 798 return (0); 799 } while ((c = *s++)); 800 return (1); 801 } 802 803 /* 804 * Check to see if a particular quota is to be enabled. 805 */ 806 int 807 hasquota(fs, type, qfnamep) 808 register struct fstab *fs; 809 int type; 810 char **qfnamep; 811 { 812 register char *opt; 813 char *cp; 814 static char initname, usrname[100], grpname[100]; 815 static char buf[BUFSIZ]; 816 817 if (!initname) { 818 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname); 819 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname); 820 initname = 1; 821 } 822 strcpy(buf, fs->fs_mntops); 823 for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) { 824 if ((cp = index(opt, '='))) 825 *cp++ = '\0'; 826 if (type == USRQUOTA && strcmp(opt, usrname) == 0) 827 break; 828 if (type == GRPQUOTA && strcmp(opt, grpname) == 0) 829 break; 830 } 831 if (!opt) 832 return (0); 833 if (cp) { 834 *qfnamep = cp; 835 return (1); 836 } 837 (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]); 838 *qfnamep = buf; 839 return (1); 840 } 841