1 /*- 2 * Copyright (c) 1980, 1989, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static const char copyright[] = 36 "@(#) Copyright (c) 1980, 1989, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 #if 0 42 static char sccsid[] = "@(#)mount.c 8.25 (Berkeley) 5/8/95"; 43 #endif 44 static const char rcsid[] = 45 "$FreeBSD$"; 46 #endif /* not lint */ 47 48 #include <sys/param.h> 49 #include <sys/mount.h> 50 #include <sys/stat.h> 51 #include <sys/wait.h> 52 53 #include <ufs/ufs/ufsmount.h> 54 #include <ufs/ufs/dinode.h> 55 #include <ufs/ffs/fs.h> 56 57 #include <ctype.h> 58 #include <err.h> 59 #include <errno.h> 60 #include <fstab.h> 61 #include <paths.h> 62 #include <pwd.h> 63 #include <signal.h> 64 #include <stdint.h> 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 #include <libufs.h> 70 71 #include "extern.h" 72 #include "mntopts.h" 73 #include "pathnames.h" 74 75 /* `meta' options */ 76 #define MOUNT_META_OPTION_FSTAB "fstab" 77 #define MOUNT_META_OPTION_CURRENT "current" 78 79 int debug, fstab_style, verbose; 80 81 char *catopt(char *, const char *); 82 struct statfs *getmntpt(const char *); 83 int hasopt(const char *, const char *); 84 int ismounted(struct fstab *, struct statfs *, int); 85 int isremountable(const char *); 86 void mangle(char *, int *, const char **); 87 char *update_options(char *, char *, int); 88 int mountfs(const char *, const char *, const char *, 89 int, const char *, const char *); 90 void remopt(char *, const char *); 91 void prmount(struct statfs *); 92 void putfsent(const struct statfs *); 93 void usage(void); 94 char *flags2opts(int); 95 96 /* Map from mount options to printable formats. */ 97 static struct opt { 98 int o_opt; 99 const char *o_name; 100 } optnames[] = { 101 { MNT_ASYNC, "asynchronous" }, 102 { MNT_EXPORTED, "NFS exported" }, 103 { MNT_LOCAL, "local" }, 104 { MNT_NOATIME, "noatime" }, 105 { MNT_NODEV, "nodev" }, 106 { MNT_NOEXEC, "noexec" }, 107 { MNT_NOSUID, "nosuid" }, 108 { MNT_NOSYMFOLLOW, "nosymfollow" }, 109 { MNT_QUOTA, "with quotas" }, 110 { MNT_RDONLY, "read-only" }, 111 { MNT_SYNCHRONOUS, "synchronous" }, 112 { MNT_UNION, "union" }, 113 { MNT_NOCLUSTERR, "noclusterr" }, 114 { MNT_NOCLUSTERW, "noclusterw" }, 115 { MNT_SUIDDIR, "suiddir" }, 116 { MNT_SOFTDEP, "soft-updates" }, 117 { MNT_MULTILABEL, "multilabel" }, 118 { MNT_ACLS, "acls" }, 119 { 0, NULL } 120 }; 121 122 /* 123 * List of VFS types that can be remounted without becoming mounted on top 124 * of each other. 125 * XXX Is this list correct? 126 */ 127 static const char * 128 remountable_fs_names[] = { 129 "ufs", "ffs", "ext2fs", 130 0 131 }; 132 133 int 134 main(argc, argv) 135 int argc; 136 char * const argv[]; 137 { 138 const char *mntfromname, **vfslist, *vfstype; 139 struct fstab *fs; 140 struct statfs *mntbuf; 141 FILE *mountdfp; 142 pid_t pid; 143 int all, ch, i, init_flags, mntsize, rval, have_fstab; 144 char *cp, *ep, *options; 145 146 all = init_flags = 0; 147 options = NULL; 148 vfslist = NULL; 149 vfstype = "ufs"; 150 while ((ch = getopt(argc, argv, "adF:fo:prwt:uv")) != -1) 151 switch (ch) { 152 case 'a': 153 all = 1; 154 break; 155 case 'd': 156 debug = 1; 157 break; 158 case 'F': 159 setfstab(optarg); 160 break; 161 case 'f': 162 init_flags |= MNT_FORCE; 163 break; 164 case 'o': 165 if (*optarg) 166 options = catopt(options, optarg); 167 break; 168 case 'p': 169 fstab_style = 1; 170 verbose = 1; 171 break; 172 case 'r': 173 options = catopt(options, "ro"); 174 break; 175 case 't': 176 if (vfslist != NULL) 177 errx(1, "only one -t option may be specified"); 178 vfslist = makevfslist(optarg); 179 vfstype = optarg; 180 break; 181 case 'u': 182 init_flags |= MNT_UPDATE; 183 break; 184 case 'v': 185 verbose = 1; 186 break; 187 case 'w': 188 options = catopt(options, "noro"); 189 break; 190 case '?': 191 default: 192 usage(); 193 /* NOTREACHED */ 194 } 195 argc -= optind; 196 argv += optind; 197 198 #define BADTYPE(type) \ 199 (strcmp(type, FSTAB_RO) && \ 200 strcmp(type, FSTAB_RW) && strcmp(type, FSTAB_RQ)) 201 202 rval = 0; 203 switch (argc) { 204 case 0: 205 if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0) 206 err(1, "getmntinfo"); 207 if (all) { 208 while ((fs = getfsent()) != NULL) { 209 if (BADTYPE(fs->fs_type)) 210 continue; 211 if (checkvfsname(fs->fs_vfstype, vfslist)) 212 continue; 213 if (hasopt(fs->fs_mntops, "noauto")) 214 continue; 215 if (!(init_flags & MNT_UPDATE) && 216 ismounted(fs, mntbuf, mntsize)) 217 continue; 218 options = update_options(options, fs->fs_mntops, 219 mntbuf->f_flags); 220 if (mountfs(fs->fs_vfstype, fs->fs_spec, 221 fs->fs_file, init_flags, options, 222 fs->fs_mntops)) 223 rval = 1; 224 } 225 } else if (fstab_style) { 226 for (i = 0; i < mntsize; i++) { 227 if (checkvfsname(mntbuf[i].f_fstypename, vfslist)) 228 continue; 229 putfsent(&mntbuf[i]); 230 } 231 } else { 232 for (i = 0; i < mntsize; i++) { 233 if (checkvfsname(mntbuf[i].f_fstypename, 234 vfslist)) 235 continue; 236 prmount(&mntbuf[i]); 237 } 238 } 239 exit(rval); 240 case 1: 241 if (vfslist != NULL) 242 usage(); 243 244 rmslashes(*argv, *argv); 245 if (init_flags & MNT_UPDATE) { 246 mntfromname = NULL; 247 have_fstab = 0; 248 if ((mntbuf = getmntpt(*argv)) == NULL) 249 errx(1, "not currently mounted %s", *argv); 250 /* 251 * Only get the mntflags from fstab if both mntpoint 252 * and mntspec are identical. Also handle the special 253 * case where just '/' is mounted and 'spec' is not 254 * identical with the one from fstab ('/dev' is missing 255 * in the spec-string at boot-time). 256 */ 257 if ((fs = getfsfile(mntbuf->f_mntonname)) != NULL) { 258 if (strcmp(fs->fs_spec, 259 mntbuf->f_mntfromname) == 0 && 260 strcmp(fs->fs_file, 261 mntbuf->f_mntonname) == 0) { 262 have_fstab = 1; 263 mntfromname = mntbuf->f_mntfromname; 264 } else if (argv[0][0] == '/' && 265 argv[0][1] == '\0') { 266 fs = getfsfile("/"); 267 have_fstab = 1; 268 mntfromname = fs->fs_spec; 269 } 270 } 271 if (have_fstab) { 272 options = update_options(options, fs->fs_mntops, 273 mntbuf->f_flags); 274 } else { 275 mntfromname = mntbuf->f_mntfromname; 276 options = update_options(options, NULL, 277 mntbuf->f_flags); 278 } 279 rval = mountfs(mntbuf->f_fstypename, mntfromname, 280 mntbuf->f_mntonname, init_flags, options, 0); 281 break; 282 } 283 if ((fs = getfsfile(*argv)) == NULL && 284 (fs = getfsspec(*argv)) == NULL) 285 errx(1, "%s: unknown special file or file system", 286 *argv); 287 if (BADTYPE(fs->fs_type)) 288 errx(1, "%s has unknown file system type", 289 *argv); 290 rval = mountfs(fs->fs_vfstype, fs->fs_spec, fs->fs_file, 291 init_flags, options, fs->fs_mntops); 292 break; 293 case 2: 294 /* 295 * If -t flag has not been specified, the path cannot be 296 * found, spec contains either a ':' or a '@', then assume 297 * that an NFS file system is being specified ala Sun. 298 * Check if the hostname contains only allowed characters 299 * to reduce false positives. IPv6 addresses containing 300 * ':' will be correctly parsed only if the separator is '@'. 301 * The definition of a valid hostname is taken from RFC 1034. 302 */ 303 if (vfslist == NULL && ((ep = strchr(argv[0], '@')) != NULL || 304 (ep = strchr(argv[0], ':')) != NULL)) { 305 if (*ep == '@') { 306 cp = ep + 1; 307 ep = cp + strlen(cp); 308 } else 309 cp = argv[0]; 310 while (cp != ep) { 311 if (!isdigit(*cp) && !isalpha(*cp) && 312 *cp != '.' && *cp != '-' && *cp != ':') 313 break; 314 cp++; 315 } 316 if (cp == ep) 317 vfstype = "nfs"; 318 } 319 rval = mountfs(vfstype, 320 argv[0], argv[1], init_flags, options, NULL); 321 break; 322 default: 323 usage(); 324 /* NOTREACHED */ 325 } 326 327 /* 328 * If the mount was successfully, and done by root, tell mountd the 329 * good news. Pid checks are probably unnecessary, but don't hurt. 330 */ 331 if (rval == 0 && getuid() == 0 && 332 (mountdfp = fopen(_PATH_MOUNTDPID, "r")) != NULL) { 333 if (fscanf(mountdfp, "%d", &pid) == 1 && 334 pid > 0 && kill(pid, SIGHUP) == -1 && errno != ESRCH) 335 err(1, "signal mountd"); 336 (void)fclose(mountdfp); 337 } 338 339 exit(rval); 340 } 341 342 int 343 ismounted(fs, mntbuf, mntsize) 344 struct fstab *fs; 345 struct statfs *mntbuf; 346 int mntsize; 347 { 348 int i; 349 350 if (fs->fs_file[0] == '/' && fs->fs_file[1] == '\0') 351 /* the root file system can always be remounted */ 352 return (0); 353 354 for (i = mntsize - 1; i >= 0; --i) 355 if (strcmp(fs->fs_file, mntbuf[i].f_mntonname) == 0 && 356 (!isremountable(fs->fs_vfstype) || 357 strcmp(fs->fs_spec, mntbuf[i].f_mntfromname) == 0)) 358 return (1); 359 return (0); 360 } 361 362 int 363 isremountable(vfsname) 364 const char *vfsname; 365 { 366 const char **cp; 367 368 for (cp = remountable_fs_names; *cp; cp++) 369 if (strcmp(*cp, vfsname) == 0) 370 return (1); 371 return (0); 372 } 373 374 int 375 hasopt(mntopts, option) 376 const char *mntopts, *option; 377 { 378 int negative, found; 379 char *opt, *optbuf; 380 381 if (option[0] == 'n' && option[1] == 'o') { 382 negative = 1; 383 option += 2; 384 } else 385 negative = 0; 386 optbuf = strdup(mntopts); 387 found = 0; 388 for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) { 389 if (opt[0] == 'n' && opt[1] == 'o') { 390 if (!strcasecmp(opt + 2, option)) 391 found = negative; 392 } else if (!strcasecmp(opt, option)) 393 found = !negative; 394 } 395 free(optbuf); 396 return (found); 397 } 398 399 int 400 mountfs(vfstype, spec, name, flags, options, mntopts) 401 const char *vfstype, *spec, *name, *options, *mntopts; 402 int flags; 403 { 404 const char *argv[100]; 405 struct statfs sf; 406 pid_t pid; 407 int argc, i, status; 408 char *optbuf, execname[PATH_MAX], mntpath[PATH_MAX]; 409 410 #if __GNUC__ 411 (void)&optbuf; 412 (void)&name; 413 #endif 414 415 /* resolve the mountpoint with realpath(3) */ 416 (void)checkpath(name, mntpath); 417 name = mntpath; 418 419 if (mntopts == NULL) 420 mntopts = ""; 421 if (options == NULL) { 422 if (*mntopts == '\0') { 423 options = "rw"; 424 } else { 425 options = mntopts; 426 mntopts = ""; 427 } 428 } 429 optbuf = catopt(strdup(mntopts), options); 430 431 if (strcmp(name, "/") == 0) 432 flags |= MNT_UPDATE; 433 if (flags & MNT_FORCE) 434 optbuf = catopt(optbuf, "force"); 435 if (flags & MNT_RDONLY) 436 optbuf = catopt(optbuf, "ro"); 437 /* 438 * XXX 439 * The mount_mfs (newfs) command uses -o to select the 440 * optimization mode. We don't pass the default "-o rw" 441 * for that reason. 442 */ 443 if (flags & MNT_UPDATE) 444 optbuf = catopt(optbuf, "update"); 445 446 /* Compatibility glue. */ 447 if (strcmp(vfstype, "msdos") == 0) 448 vfstype = "msdosfs"; 449 450 argc = 0; 451 argv[argc++] = vfstype; 452 mangle(optbuf, &argc, argv); 453 argv[argc++] = spec; 454 argv[argc++] = name; 455 argv[argc] = NULL; 456 457 if (debug) { 458 (void)printf("exec: mount_%s", vfstype); 459 for (i = 1; i < argc; i++) 460 (void)printf(" %s", argv[i]); 461 (void)printf("\n"); 462 return (0); 463 } 464 465 switch (pid = fork()) { 466 case -1: /* Error. */ 467 warn("fork"); 468 free(optbuf); 469 return (1); 470 case 0: /* Child. */ 471 if (strcmp(vfstype, "ufs") == 0) 472 exit(mount_ufs(argc, (char * const *) argv)); 473 474 /* Go find an executable. */ 475 (void)snprintf(execname, sizeof(execname), "mount_%s", vfstype); 476 execvP(execname, _PATH_SYSPATH, (char * const *)argv); 477 if (errno == ENOENT) { 478 warn("exec mount_%s not found in %s", vfstype, 479 _PATH_SYSPATH); 480 } 481 exit(1); 482 /* NOTREACHED */ 483 default: /* Parent. */ 484 free(optbuf); 485 486 if (waitpid(pid, &status, 0) < 0) { 487 warn("waitpid"); 488 return (1); 489 } 490 491 if (WIFEXITED(status)) { 492 if (WEXITSTATUS(status) != 0) 493 return (WEXITSTATUS(status)); 494 } else if (WIFSIGNALED(status)) { 495 warnx("%s: %s", name, sys_siglist[WTERMSIG(status)]); 496 return (1); 497 } 498 499 if (verbose) { 500 if (statfs(name, &sf) < 0) { 501 warn("statfs %s", name); 502 return (1); 503 } 504 if (fstab_style) 505 putfsent(&sf); 506 else 507 prmount(&sf); 508 } 509 break; 510 } 511 512 return (0); 513 } 514 515 void 516 prmount(sfp) 517 struct statfs *sfp; 518 { 519 int flags, i; 520 struct opt *o; 521 struct passwd *pw; 522 struct uufsd disk; 523 524 (void)printf("%s on %s (%s", sfp->f_mntfromname, sfp->f_mntonname, 525 sfp->f_fstypename); 526 527 if (strncmp(sfp->f_fstypename, "ufs", 3) == 0) { 528 ufs_disk_fillout(&disk, sfp->f_mntonname); 529 printf("%s", (disk.d_ufs == 2) ? "2" : ""); 530 } 531 532 flags = sfp->f_flags & MNT_VISFLAGMASK; 533 for (o = optnames; flags && o->o_opt; o++) 534 if (flags & o->o_opt) { 535 (void)printf(", %s", o->o_name); 536 flags &= ~o->o_opt; 537 } 538 /* 539 * Inform when file system is mounted by an unprivileged user 540 * or privileged non-root user. 541 */ 542 if ((flags & MNT_USER) != 0 || sfp->f_owner != 0) { 543 (void)printf(", mounted by "); 544 if ((pw = getpwuid(sfp->f_owner)) != NULL) 545 (void)printf("%s", pw->pw_name); 546 else 547 (void)printf("%d", sfp->f_owner); 548 } 549 if (verbose) { 550 if (sfp->f_syncwrites != 0 || sfp->f_asyncwrites != 0) 551 (void)printf(", writes: sync %ju async %ju", 552 (uintmax_t)sfp->f_syncwrites, 553 (uintmax_t)sfp->f_asyncwrites); 554 if (sfp->f_syncreads != 0 || sfp->f_asyncreads != 0) 555 (void)printf(", reads: sync %ju async %ju", 556 (uintmax_t)sfp->f_syncreads, 557 (uintmax_t)sfp->f_asyncreads); 558 if (sfp->f_fsid.val[0] != 0 || sfp->f_fsid.val[1] != 0) { 559 printf(", fsid "); 560 for (i = 0; i < sizeof(sfp->f_fsid); i++) 561 printf("%02x", ((u_char *)&sfp->f_fsid)[i]); 562 } 563 } 564 (void)printf(")\n"); 565 } 566 567 struct statfs * 568 getmntpt(name) 569 const char *name; 570 { 571 struct statfs *mntbuf; 572 int i, mntsize; 573 574 mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 575 for (i = mntsize - 1; i >= 0; i--) { 576 if (strcmp(mntbuf[i].f_mntfromname, name) == 0 || 577 strcmp(mntbuf[i].f_mntonname, name) == 0) 578 return (&mntbuf[i]); 579 } 580 return (NULL); 581 } 582 583 char * 584 catopt(s0, s1) 585 char *s0; 586 const char *s1; 587 { 588 size_t i; 589 char *cp; 590 591 if (s1 == NULL || *s1 == '\0') 592 return s0; 593 594 if (s0 && *s0) { 595 i = strlen(s0) + strlen(s1) + 1 + 1; 596 if ((cp = malloc(i)) == NULL) 597 errx(1, "malloc failed"); 598 (void)snprintf(cp, i, "%s,%s", s0, s1); 599 } else 600 cp = strdup(s1); 601 602 if (s0) 603 free(s0); 604 return (cp); 605 } 606 607 void 608 mangle(options, argcp, argv) 609 char *options; 610 int *argcp; 611 const char **argv; 612 { 613 char *p, *s; 614 int argc; 615 616 argc = *argcp; 617 for (s = options; (p = strsep(&s, ",")) != NULL;) 618 if (*p != '\0') { 619 if (*p == '-') { 620 argv[argc++] = p; 621 p = strchr(p, '='); 622 if (p != NULL) { 623 *p = '\0'; 624 argv[argc++] = p+1; 625 } 626 } else if (strcmp(p, "rw") != 0) { 627 argv[argc++] = "-o"; 628 argv[argc++] = p; 629 } 630 } 631 632 *argcp = argc; 633 } 634 635 636 char * 637 update_options(opts, fstab, curflags) 638 char *opts; 639 char *fstab; 640 int curflags; 641 { 642 char *o, *p; 643 char *cur; 644 char *expopt, *newopt, *tmpopt; 645 646 if (opts == NULL) 647 return strdup(""); 648 649 /* remove meta options from list */ 650 remopt(fstab, MOUNT_META_OPTION_FSTAB); 651 remopt(fstab, MOUNT_META_OPTION_CURRENT); 652 cur = flags2opts(curflags); 653 654 /* 655 * Expand all meta-options passed to us first. 656 */ 657 expopt = NULL; 658 for (p = opts; (o = strsep(&p, ",")) != NULL;) { 659 if (strcmp(MOUNT_META_OPTION_FSTAB, o) == 0) 660 expopt = catopt(expopt, fstab); 661 else if (strcmp(MOUNT_META_OPTION_CURRENT, o) == 0) 662 expopt = catopt(expopt, cur); 663 else 664 expopt = catopt(expopt, o); 665 } 666 free(cur); 667 free(opts); 668 669 /* 670 * Remove previous contradictory arguments. Given option "foo" we 671 * remove all the "nofoo" options. Given "nofoo" we remove "nonofoo" 672 * and "foo" - so we can deal with possible options like "notice". 673 */ 674 newopt = NULL; 675 for (p = expopt; (o = strsep(&p, ",")) != NULL;) { 676 if ((tmpopt = malloc( strlen(o) + 2 + 1 )) == NULL) 677 errx(1, "malloc failed"); 678 679 strcpy(tmpopt, "no"); 680 strcat(tmpopt, o); 681 remopt(newopt, tmpopt); 682 free(tmpopt); 683 684 if (strncmp("no", o, 2) == 0) 685 remopt(newopt, o+2); 686 687 newopt = catopt(newopt, o); 688 } 689 free(expopt); 690 691 return newopt; 692 } 693 694 void 695 remopt(string, opt) 696 char *string; 697 const char *opt; 698 { 699 char *o, *p, *r; 700 701 if (string == NULL || *string == '\0' || opt == NULL || *opt == '\0') 702 return; 703 704 r = string; 705 706 for (p = string; (o = strsep(&p, ",")) != NULL;) { 707 if (strcmp(opt, o) != 0) { 708 if (*r == ',' && *o != '\0') 709 r++; 710 while ((*r++ = *o++) != '\0') 711 ; 712 *--r = ','; 713 } 714 } 715 *r = '\0'; 716 } 717 718 void 719 usage() 720 { 721 722 (void)fprintf(stderr, "%s\n%s\n%s\n", 723 "usage: mount [-dfpruvw] [-o options] [-t ufs | external_type] special node", 724 " mount [-adfpruvw] [ -F fstab] [-o options] [-t ufs | external_type]", 725 " mount [-dfpruvw] special | node"); 726 exit(1); 727 } 728 729 void 730 putfsent(ent) 731 const struct statfs *ent; 732 { 733 struct fstab *fst; 734 char *opts; 735 736 opts = flags2opts(ent->f_flags); 737 printf("%s\t%s\t%s %s", ent->f_mntfromname, ent->f_mntonname, 738 ent->f_fstypename, opts); 739 free(opts); 740 741 if ((fst = getfsspec(ent->f_mntfromname))) 742 printf("\t%u %u\n", fst->fs_freq, fst->fs_passno); 743 else if ((fst = getfsfile(ent->f_mntonname))) 744 printf("\t%u %u\n", fst->fs_freq, fst->fs_passno); 745 else if (strcmp(ent->f_fstypename, "ufs") == 0) { 746 if (strcmp(ent->f_mntonname, "/") == 0) 747 printf("\t1 1\n"); 748 else 749 printf("\t2 2\n"); 750 } else 751 printf("\t0 0\n"); 752 } 753 754 755 char * 756 flags2opts(flags) 757 int flags; 758 { 759 char *res; 760 761 res = NULL; 762 763 res = catopt(res, (flags & MNT_RDONLY) ? "ro" : "rw"); 764 765 if (flags & MNT_SYNCHRONOUS) res = catopt(res, "sync"); 766 if (flags & MNT_NOEXEC) res = catopt(res, "noexec"); 767 if (flags & MNT_NOSUID) res = catopt(res, "nosuid"); 768 if (flags & MNT_NODEV) res = catopt(res, "nodev"); 769 if (flags & MNT_UNION) res = catopt(res, "union"); 770 if (flags & MNT_ASYNC) res = catopt(res, "async"); 771 if (flags & MNT_NOATIME) res = catopt(res, "noatime"); 772 if (flags & MNT_NOCLUSTERR) res = catopt(res, "noclusterr"); 773 if (flags & MNT_NOCLUSTERW) res = catopt(res, "noclusterw"); 774 if (flags & MNT_NOSYMFOLLOW) res = catopt(res, "nosymfollow"); 775 if (flags & MNT_SUIDDIR) res = catopt(res, "suiddir"); 776 if (flags & MNT_MULTILABEL) res = catopt(res, "multilabel"); 777 if (flags & MNT_ACLS) res = catopt(res, "acls"); 778 779 return res; 780 } 781