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