1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef lint 36 #if 0 37 static char sccsid[] = "@(#)dirs.c 8.7 (Berkeley) 5/1/95"; 38 #endif 39 static const char rcsid[] = 40 "$FreeBSD$"; 41 #endif /* not lint */ 42 43 #include <sys/param.h> 44 #include <sys/file.h> 45 #include <sys/stat.h> 46 #include <sys/time.h> 47 48 #include <ufs/ufs/dinode.h> 49 #include <ufs/ufs/dir.h> 50 #include <protocols/dumprestore.h> 51 52 #include <err.h> 53 #include <errno.h> 54 #include <limits.h> 55 #include <paths.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <unistd.h> 60 61 #include "restore.h" 62 #include "extern.h" 63 64 /* 65 * Symbol table of directories read from tape. 66 */ 67 #define HASHSIZE 1000 68 #define INOHASH(val) (val % HASHSIZE) 69 struct inotab { 70 struct inotab *t_next; 71 ino_t t_ino; 72 int32_t t_seekpt; 73 int32_t t_size; 74 }; 75 static struct inotab *inotab[HASHSIZE]; 76 77 /* 78 * Information retained about directories. 79 */ 80 struct modeinfo { 81 ino_t ino; 82 struct timeval ctimep[2]; 83 struct timeval mtimep[2]; 84 mode_t mode; 85 uid_t uid; 86 gid_t gid; 87 int flags; 88 }; 89 90 /* 91 * Definitions for library routines operating on directories. 92 */ 93 #undef DIRBLKSIZ 94 #define DIRBLKSIZ 1024 95 struct rstdirdesc { 96 int dd_fd; 97 int32_t dd_loc; 98 int32_t dd_size; 99 char dd_buf[DIRBLKSIZ]; 100 }; 101 102 /* 103 * Global variables for this file. 104 */ 105 static long seekpt; 106 static FILE *df, *mf; 107 static RST_DIR *dirp; 108 static char dirfile[MAXPATHLEN] = "#"; /* No file */ 109 static char modefile[MAXPATHLEN] = "#"; /* No file */ 110 static char dot[2] = "."; /* So it can be modified */ 111 112 /* 113 * Format of old style directories. 114 */ 115 #define ODIRSIZ 14 116 struct odirect { 117 u_short d_ino; 118 char d_name[ODIRSIZ]; 119 }; 120 121 static struct inotab *allocinotab(struct context *, long); 122 static void dcvt(struct odirect *, struct direct *); 123 static void flushent(void); 124 static struct inotab *inotablookup(ino_t); 125 static RST_DIR *opendirfile(const char *); 126 static void putdir(char *, long); 127 static void putent(struct direct *); 128 static void rst_seekdir(RST_DIR *, long, long); 129 static long rst_telldir(RST_DIR *); 130 static struct direct *searchdir(ino_t, char *); 131 132 /* 133 * Extract directory contents, building up a directory structure 134 * on disk for extraction by name. 135 * If genmode is requested, save mode, owner, and times for all 136 * directories on the tape. 137 */ 138 void 139 extractdirs(int genmode) 140 { 141 struct inotab *itp; 142 struct direct nulldir; 143 int i, fd; 144 const char *tmpdir; 145 146 vprintf(stdout, "Extract directories from tape\n"); 147 if ((tmpdir = getenv("TMPDIR")) == NULL || tmpdir[0] == '\0') 148 tmpdir = _PATH_TMP; 149 (void) sprintf(dirfile, "%s/rstdir%d", tmpdir, dumpdate); 150 if (command != 'r' && command != 'R') { 151 (void *) strcat(dirfile, "-XXXXXX"); 152 fd = mkstemp(dirfile); 153 } else 154 fd = open(dirfile, O_RDWR|O_CREAT|O_EXCL, 0666); 155 if (fd == -1 || (df = fdopen(fd, "w")) == NULL) { 156 if (fd != -1) 157 close(fd); 158 warn("%s - cannot create directory temporary\nfopen", dirfile); 159 done(1); 160 } 161 if (genmode != 0) { 162 (void) sprintf(modefile, "%s/rstmode%d", tmpdir, dumpdate); 163 if (command != 'r' && command != 'R') { 164 (void *) strcat(modefile, "-XXXXXX"); 165 fd = mkstemp(modefile); 166 } else 167 fd = open(modefile, O_RDWR|O_CREAT|O_EXCL, 0666); 168 if (fd == -1 || (mf = fdopen(fd, "w")) == NULL) { 169 if (fd != -1) 170 close(fd); 171 warn("%s - cannot create modefile\nfopen", modefile); 172 done(1); 173 } 174 } 175 nulldir.d_ino = 0; 176 nulldir.d_type = DT_DIR; 177 nulldir.d_namlen = 1; 178 (void) strcpy(nulldir.d_name, "/"); 179 nulldir.d_reclen = DIRSIZ(0, &nulldir); 180 for (;;) { 181 curfile.name = "<directory file - name unknown>"; 182 curfile.action = USING; 183 if (curfile.mode == 0 || (curfile.mode & IFMT) != IFDIR) { 184 (void) fclose(df); 185 dirp = opendirfile(dirfile); 186 if (dirp == NULL) 187 fprintf(stderr, "opendirfile: %s\n", 188 strerror(errno)); 189 if (mf != NULL) 190 (void) fclose(mf); 191 i = dirlookup(dot); 192 if (i == 0) 193 panic("Root directory is not on tape\n"); 194 return; 195 } 196 itp = allocinotab(&curfile, seekpt); 197 getfile(putdir, xtrnull); 198 putent(&nulldir); 199 flushent(); 200 itp->t_size = seekpt - itp->t_seekpt; 201 } 202 } 203 204 /* 205 * skip over all the directories on the tape 206 */ 207 void 208 skipdirs(void) 209 { 210 211 while (curfile.ino && (curfile.mode & IFMT) == IFDIR) { 212 skipfile(); 213 } 214 } 215 216 /* 217 * Recursively find names and inumbers of all files in subtree 218 * pname and pass them off to be processed. 219 */ 220 void 221 treescan(char *pname, ino_t ino, long (*todo)(char *, ino_t, int)) 222 { 223 struct inotab *itp; 224 struct direct *dp; 225 int namelen; 226 long bpt; 227 char locname[MAXPATHLEN + 1]; 228 229 itp = inotablookup(ino); 230 if (itp == NULL) { 231 /* 232 * Pname is name of a simple file or an unchanged directory. 233 */ 234 (void) (*todo)(pname, ino, LEAF); 235 return; 236 } 237 /* 238 * Pname is a dumped directory name. 239 */ 240 if ((*todo)(pname, ino, NODE) == FAIL) 241 return; 242 /* 243 * begin search through the directory 244 * skipping over "." and ".." 245 */ 246 (void) strncpy(locname, pname, sizeof(locname) - 1); 247 locname[sizeof(locname) - 1] = '\0'; 248 (void) strncat(locname, "/", sizeof(locname) - strlen(locname)); 249 namelen = strlen(locname); 250 rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt); 251 dp = rst_readdir(dirp); /* "." */ 252 if (dp != NULL && strcmp(dp->d_name, ".") == 0) 253 dp = rst_readdir(dirp); /* ".." */ 254 else 255 fprintf(stderr, "Warning: `.' missing from directory %s\n", 256 pname); 257 if (dp != NULL && strcmp(dp->d_name, "..") == 0) 258 dp = rst_readdir(dirp); /* first real entry */ 259 else 260 fprintf(stderr, "Warning: `..' missing from directory %s\n", 261 pname); 262 bpt = rst_telldir(dirp); 263 /* 264 * a zero inode signals end of directory 265 */ 266 while (dp != NULL) { 267 locname[namelen] = '\0'; 268 if (namelen + dp->d_namlen >= sizeof(locname)) { 269 fprintf(stderr, "%s%s: name exceeds %d char\n", 270 locname, dp->d_name, sizeof(locname) - 1); 271 } else { 272 (void) strncat(locname, dp->d_name, (int)dp->d_namlen); 273 treescan(locname, dp->d_ino, todo); 274 rst_seekdir(dirp, bpt, itp->t_seekpt); 275 } 276 dp = rst_readdir(dirp); 277 bpt = rst_telldir(dirp); 278 } 279 } 280 281 /* 282 * Lookup a pathname which is always assumed to start from the ROOTINO. 283 */ 284 struct direct * 285 pathsearch(const char *pathname) 286 { 287 ino_t ino; 288 struct direct *dp; 289 char *path, *name, buffer[MAXPATHLEN]; 290 291 strcpy(buffer, pathname); 292 path = buffer; 293 ino = ROOTINO; 294 while (*path == '/') 295 path++; 296 dp = NULL; 297 while ((name = strsep(&path, "/")) != NULL && *name != '\0') { 298 if ((dp = searchdir(ino, name)) == NULL) 299 return (NULL); 300 ino = dp->d_ino; 301 } 302 return (dp); 303 } 304 305 /* 306 * Lookup the requested name in directory inum. 307 * Return its inode number if found, zero if it does not exist. 308 */ 309 static struct direct * 310 searchdir(ino_t inum, char *name) 311 { 312 struct direct *dp; 313 struct inotab *itp; 314 int len; 315 316 itp = inotablookup(inum); 317 if (itp == NULL) 318 return (NULL); 319 rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt); 320 len = strlen(name); 321 do { 322 dp = rst_readdir(dirp); 323 if (dp == NULL) 324 return (NULL); 325 } while (dp->d_namlen != len || strncmp(dp->d_name, name, len) != 0); 326 return (dp); 327 } 328 329 /* 330 * Put the directory entries in the directory file 331 */ 332 static void 333 putdir(char *buf, long size) 334 { 335 struct direct cvtbuf; 336 struct odirect *odp; 337 struct odirect *eodp; 338 struct direct *dp; 339 long loc, i; 340 341 for (loc = 0; loc < size; ) { 342 dp = (struct direct *)(buf + loc); 343 if (Bcvt) 344 swabst((u_char *)"ls", (u_char *) dp); 345 i = DIRBLKSIZ - (loc & (DIRBLKSIZ - 1)); 346 if ((dp->d_reclen & 0x3) != 0 || 347 dp->d_reclen > i || 348 dp->d_reclen < DIRSIZ(0, dp) 349 #if NAME_MAX < 255 350 || dp->d_namlen > NAME_MAX 351 #endif 352 ) { 353 vprintf(stdout, "Mangled directory: "); 354 if ((dp->d_reclen & 0x3) != 0) 355 vprintf(stdout, 356 "reclen not multiple of 4 "); 357 if (dp->d_reclen < DIRSIZ(0, dp)) 358 vprintf(stdout, 359 "reclen less than DIRSIZ (%d < %d) ", 360 dp->d_reclen, DIRSIZ(0, dp)); 361 #if NAME_MAX < 255 362 if (dp->d_namlen > NAME_MAX) 363 vprintf(stdout, 364 "reclen name too big (%d > %d) ", 365 dp->d_namlen, NAME_MAX); 366 #endif 367 vprintf(stdout, "\n"); 368 loc += i; 369 continue; 370 } 371 loc += dp->d_reclen; 372 if (dp->d_ino != 0) { 373 putent(dp); 374 } 375 } 376 } 377 378 /* 379 * These variables are "local" to the following two functions. 380 */ 381 char dirbuf[DIRBLKSIZ]; 382 long dirloc = 0; 383 long prev = 0; 384 385 /* 386 * add a new directory entry to a file. 387 */ 388 static void 389 putent(struct direct *dp) 390 { 391 dp->d_reclen = DIRSIZ(0, dp); 392 if (dirloc + dp->d_reclen > DIRBLKSIZ) { 393 ((struct direct *)(dirbuf + prev))->d_reclen = 394 DIRBLKSIZ - prev; 395 (void) fwrite(dirbuf, 1, DIRBLKSIZ, df); 396 dirloc = 0; 397 } 398 memmove(dirbuf + dirloc, dp, (long)dp->d_reclen); 399 prev = dirloc; 400 dirloc += dp->d_reclen; 401 } 402 403 /* 404 * flush out a directory that is finished. 405 */ 406 static void 407 flushent(void) 408 { 409 ((struct direct *)(dirbuf + prev))->d_reclen = DIRBLKSIZ - prev; 410 (void) fwrite(dirbuf, (int)dirloc, 1, df); 411 seekpt = ftell(df); 412 dirloc = 0; 413 } 414 415 static void 416 dcvt(struct odirect *odp, struct direct *ndp) 417 { 418 419 memset(ndp, 0, (long)(sizeof *ndp)); 420 ndp->d_ino = odp->d_ino; 421 ndp->d_type = DT_UNKNOWN; 422 (void) strncpy(ndp->d_name, odp->d_name, ODIRSIZ); 423 ndp->d_namlen = strlen(ndp->d_name); 424 ndp->d_reclen = DIRSIZ(0, ndp); 425 } 426 427 /* 428 * Seek to an entry in a directory. 429 * Only values returned by rst_telldir should be passed to rst_seekdir. 430 * This routine handles many directories in a single file. 431 * It takes the base of the directory in the file, plus 432 * the desired seek offset into it. 433 */ 434 static void 435 rst_seekdir(RST_DIR *dirp, long loc, long base) 436 { 437 438 if (loc == rst_telldir(dirp)) 439 return; 440 loc -= base; 441 if (loc < 0) 442 fprintf(stderr, "bad seek pointer to rst_seekdir %ld\n", loc); 443 (void) lseek(dirp->dd_fd, base + (loc & ~(DIRBLKSIZ - 1)), SEEK_SET); 444 dirp->dd_loc = loc & (DIRBLKSIZ - 1); 445 if (dirp->dd_loc != 0) 446 dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf, DIRBLKSIZ); 447 } 448 449 /* 450 * get next entry in a directory. 451 */ 452 struct direct * 453 rst_readdir(RST_DIR *dirp) 454 { 455 struct direct *dp; 456 457 for (;;) { 458 if (dirp->dd_loc == 0) { 459 dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf, 460 DIRBLKSIZ); 461 if (dirp->dd_size <= 0) { 462 dprintf(stderr, "error reading directory\n"); 463 return (NULL); 464 } 465 } 466 if (dirp->dd_loc >= dirp->dd_size) { 467 dirp->dd_loc = 0; 468 continue; 469 } 470 dp = (struct direct *)(dirp->dd_buf + dirp->dd_loc); 471 if (dp->d_reclen == 0 || 472 dp->d_reclen > DIRBLKSIZ + 1 - dirp->dd_loc) { 473 dprintf(stderr, "corrupted directory: bad reclen %d\n", 474 dp->d_reclen); 475 return (NULL); 476 } 477 dirp->dd_loc += dp->d_reclen; 478 if (dp->d_ino == 0 && strcmp(dp->d_name, "/") == 0) 479 return (NULL); 480 if (dp->d_ino >= maxino) { 481 dprintf(stderr, "corrupted directory: bad inum %d\n", 482 dp->d_ino); 483 continue; 484 } 485 return (dp); 486 } 487 } 488 489 /* 490 * Simulate the opening of a directory 491 */ 492 RST_DIR * 493 rst_opendir(const char *name) 494 { 495 struct inotab *itp; 496 RST_DIR *dirp; 497 ino_t ino; 498 499 if ((ino = dirlookup(name)) > 0 && 500 (itp = inotablookup(ino)) != NULL) { 501 dirp = opendirfile(dirfile); 502 rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt); 503 return (dirp); 504 } 505 return (NULL); 506 } 507 508 /* 509 * In our case, there is nothing to do when closing a directory. 510 */ 511 void 512 rst_closedir(RST_DIR *dirp) 513 { 514 515 (void)close(dirp->dd_fd); 516 free(dirp); 517 return; 518 } 519 520 /* 521 * Simulate finding the current offset in the directory. 522 */ 523 static long 524 rst_telldir(RST_DIR *dirp) 525 { 526 return ((long)lseek(dirp->dd_fd, 527 (off_t)0, SEEK_CUR) - dirp->dd_size + dirp->dd_loc); 528 } 529 530 /* 531 * Open a directory file. 532 */ 533 static RST_DIR * 534 opendirfile(const char *name) 535 { 536 RST_DIR *dirp; 537 int fd; 538 539 if ((fd = open(name, O_RDONLY)) == -1) 540 return (NULL); 541 if ((dirp = malloc(sizeof(RST_DIR))) == NULL) { 542 (void)close(fd); 543 return (NULL); 544 } 545 dirp->dd_fd = fd; 546 dirp->dd_loc = 0; 547 return (dirp); 548 } 549 550 /* 551 * Set the mode, owner, and times for all new or changed directories 552 */ 553 void 554 setdirmodes(int flags) 555 { 556 FILE *mf; 557 struct modeinfo node; 558 struct entry *ep; 559 char *cp; 560 const char *tmpdir; 561 562 vprintf(stdout, "Set directory mode, owner, and times.\n"); 563 if ((tmpdir = getenv("TMPDIR")) == NULL || tmpdir[0] == '\0') 564 tmpdir = _PATH_TMP; 565 if (command == 'r' || command == 'R') 566 (void) sprintf(modefile, "%s/rstmode%d", tmpdir, dumpdate); 567 if (modefile[0] == '#') { 568 panic("modefile not defined\n"); 569 fprintf(stderr, "directory mode, owner, and times not set\n"); 570 return; 571 } 572 mf = fopen(modefile, "r"); 573 if (mf == NULL) { 574 fprintf(stderr, "fopen: %s\n", strerror(errno)); 575 fprintf(stderr, "cannot open mode file %s\n", modefile); 576 fprintf(stderr, "directory mode, owner, and times not set\n"); 577 return; 578 } 579 clearerr(mf); 580 for (;;) { 581 (void) fread((char *)&node, 1, sizeof(struct modeinfo), mf); 582 if (feof(mf)) 583 break; 584 ep = lookupino(node.ino); 585 if (command == 'i' || command == 'x') { 586 if (ep == NULL) 587 continue; 588 if ((flags & FORCE) == 0 && ep->e_flags & EXISTED) { 589 ep->e_flags &= ~NEW; 590 continue; 591 } 592 if (node.ino == ROOTINO && 593 reply("set owner/mode for '.'") == FAIL) 594 continue; 595 } 596 if (ep == NULL) { 597 panic("cannot find directory inode %d\n", node.ino); 598 } else { 599 cp = myname(ep); 600 if (!Nflag) { 601 (void) chown(cp, node.uid, node.gid); 602 (void) chmod(cp, node.mode); 603 utimes(cp, node.ctimep); 604 utimes(cp, node.mtimep); 605 (void) chflags(cp, node.flags); 606 } 607 ep->e_flags &= ~NEW; 608 } 609 } 610 if (ferror(mf)) 611 panic("error setting directory modes\n"); 612 (void) fclose(mf); 613 } 614 615 /* 616 * Generate a literal copy of a directory. 617 */ 618 int 619 genliteraldir(char *name, ino_t ino) 620 { 621 struct inotab *itp; 622 int ofile, dp, i, size; 623 char buf[BUFSIZ]; 624 625 itp = inotablookup(ino); 626 if (itp == NULL) 627 panic("Cannot find directory inode %d named %s\n", ino, name); 628 if ((ofile = open(name, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) { 629 fprintf(stderr, "%s: ", name); 630 (void) fflush(stderr); 631 fprintf(stderr, "cannot create file: %s\n", strerror(errno)); 632 return (FAIL); 633 } 634 rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt); 635 dp = dup(dirp->dd_fd); 636 for (i = itp->t_size; i > 0; i -= BUFSIZ) { 637 size = i < BUFSIZ ? i : BUFSIZ; 638 if (read(dp, buf, (int) size) == -1) { 639 fprintf(stderr, 640 "write error extracting inode %d, name %s\n", 641 curfile.ino, curfile.name); 642 fprintf(stderr, "read: %s\n", strerror(errno)); 643 done(1); 644 } 645 if (!Nflag && write(ofile, buf, (int) size) == -1) { 646 fprintf(stderr, 647 "write error extracting inode %d, name %s\n", 648 curfile.ino, curfile.name); 649 fprintf(stderr, "write: %s\n", strerror(errno)); 650 done(1); 651 } 652 } 653 (void) close(dp); 654 (void) close(ofile); 655 return (GOOD); 656 } 657 658 /* 659 * Determine the type of an inode 660 */ 661 int 662 inodetype(ino_t ino) 663 { 664 struct inotab *itp; 665 666 itp = inotablookup(ino); 667 if (itp == NULL) 668 return (LEAF); 669 return (NODE); 670 } 671 672 /* 673 * Allocate and initialize a directory inode entry. 674 * If requested, save its pertinent mode, owner, and time info. 675 */ 676 static struct inotab * 677 allocinotab(struct context *ctxp, long seekpt) 678 { 679 struct inotab *itp; 680 struct modeinfo node; 681 682 itp = calloc(1, sizeof(struct inotab)); 683 if (itp == NULL) 684 panic("no memory directory table\n"); 685 itp->t_next = inotab[INOHASH(ctxp->ino)]; 686 inotab[INOHASH(ctxp->ino)] = itp; 687 itp->t_ino = ctxp->ino; 688 itp->t_seekpt = seekpt; 689 if (mf == NULL) 690 return (itp); 691 node.ino = ctxp->ino; 692 node.mtimep[0].tv_sec = ctxp->atime_sec; 693 node.mtimep[0].tv_usec = ctxp->atime_nsec / 1000; 694 node.mtimep[1].tv_sec = ctxp->mtime_sec; 695 node.mtimep[1].tv_usec = ctxp->mtime_nsec / 1000; 696 node.ctimep[0].tv_sec = ctxp->atime_sec; 697 node.ctimep[0].tv_usec = ctxp->atime_nsec / 1000; 698 node.ctimep[1].tv_sec = ctxp->birthtime_sec; 699 node.ctimep[1].tv_usec = ctxp->birthtime_nsec / 1000; 700 node.mode = ctxp->mode; 701 node.flags = ctxp->file_flags; 702 node.uid = ctxp->uid; 703 node.gid = ctxp->gid; 704 (void) fwrite((char *)&node, 1, sizeof(struct modeinfo), mf); 705 return (itp); 706 } 707 708 /* 709 * Look up an inode in the table of directories 710 */ 711 static struct inotab * 712 inotablookup(ino_t ino) 713 { 714 struct inotab *itp; 715 716 for (itp = inotab[INOHASH(ino)]; itp != NULL; itp = itp->t_next) 717 if (itp->t_ino == ino) 718 return (itp); 719 return (NULL); 720 } 721 722 /* 723 * Clean up and exit 724 */ 725 void 726 done(int exitcode) 727 { 728 729 closemt(); 730 if (modefile[0] != '#') 731 (void) unlink(modefile); 732 if (dirfile[0] != '#') 733 (void) unlink(dirfile); 734 exit(exitcode); 735 } 736