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