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