dirs.c revision 1.22
1 /* $NetBSD: dirs.c,v 1.22 1997/03/19 08:42:51 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 #ifndef lint 42 #if 0 43 static char sccsid[] = "@(#)dirs.c 8.5 (Berkeley) 8/31/94"; 44 #else 45 static char rcsid[] = "$NetBSD: dirs.c,v 1.22 1997/03/19 08:42:51 lukem Exp $"; 46 #endif 47 #endif /* not lint */ 48 49 #include <sys/param.h> 50 #include <sys/file.h> 51 #include <sys/stat.h> 52 #include <sys/time.h> 53 54 #include <ufs/ffs/fs.h> 55 #include <ufs/ufs/dinode.h> 56 #include <ufs/ufs/dir.h> 57 #include <protocols/dumprestore.h> 58 59 #include <errno.h> 60 #include <stdio.h> 61 #include <stdlib.h> 62 #include <string.h> 63 #include <unistd.h> 64 65 #include <machine/endian.h> 66 67 #include "pathnames.h" 68 #include "restore.h" 69 #include "extern.h" 70 71 /* 72 * Symbol table of directories read from tape. 73 */ 74 #define HASHSIZE 1000 75 #define INOHASH(val) (val % HASHSIZE) 76 struct inotab { 77 struct inotab *t_next; 78 ino_t t_ino; 79 int32_t t_seekpt; 80 int32_t t_size; 81 }; 82 static struct inotab *inotab[HASHSIZE]; 83 84 /* 85 * Information retained about directories. 86 */ 87 struct modeinfo { 88 ino_t ino; 89 struct timeval timep[2]; 90 mode_t mode; 91 uid_t uid; 92 gid_t gid; 93 int flags; 94 }; 95 96 /* 97 * Definitions for library routines operating on directories. 98 */ 99 #undef DIRBLKSIZ 100 #define DIRBLKSIZ 1024 101 struct rstdirdesc { 102 int dd_fd; 103 int32_t dd_loc; 104 int32_t dd_size; 105 char dd_buf[DIRBLKSIZ]; 106 }; 107 108 /* 109 * Global variables for this file. 110 */ 111 static long seekpt; 112 static FILE *df, *mf; 113 static RST_DIR *dirp; 114 static char dirfile[MAXPATHLEN] = "#"; /* No file */ 115 static char modefile[MAXPATHLEN] = "#"; /* No file */ 116 static char dot[2] = "."; /* So it can be modified */ 117 118 /* 119 * Format of old style directories. 120 */ 121 #define ODIRSIZ 14 122 struct odirect { 123 u_short d_ino; 124 char d_name[ODIRSIZ]; 125 }; 126 127 static struct inotab *allocinotab __P((ino_t, struct dinode *, long)); 128 static void dcvt __P((struct odirect *, struct direct *)); 129 static void flushent __P((void)); 130 static struct inotab *inotablookup __P((ino_t)); 131 static RST_DIR *opendirfile __P((const char *)); 132 static void putdir __P((char *, long)); 133 static void putent __P((struct direct *)); 134 static void rst_seekdir __P((RST_DIR *, long, long)); 135 static long rst_telldir __P((RST_DIR *)); 136 static struct direct *searchdir __P((ino_t, char *)); 137 138 /* 139 * Extract directory contents, building up a directory structure 140 * on disk for extraction by name. 141 * If genmode is requested, save mode, owner, and times for all 142 * directories on the tape. 143 */ 144 void 145 extractdirs(genmode) 146 int genmode; 147 { 148 int i, dfd, mfd; 149 struct dinode *ip; 150 struct inotab *itp; 151 struct direct nulldir; 152 153 vprintf(stdout, "Extract directories from tape\n"); 154 (void) snprintf(dirfile, sizeof(dirfile), "%s/rstdir%d", 155 _PATH_TMP, dumpdate); 156 if (command != 'r' && command != 'R') { 157 (void) snprintf(dirfile, sizeof(dirfile), "%s/rstdir%d-XXXXXX", 158 _PATH_TMP, dumpdate); 159 if ((dfd = mkstemp(dirfile)) == -1) 160 err(1, "cannot mkstemp temporary file %s", dirfile); 161 df = fdopen(dfd, "w"); 162 } 163 else 164 df = fopen(dirfile, "w"); 165 if (df == NULL) 166 err(1, "cannot open temporary file %s", dirfile); 167 168 if (genmode != 0) { 169 (void) snprintf(modefile, sizeof(modefile), "%s/rstmode%d", 170 _PATH_TMP, dumpdate); 171 if (command != 'r' && command != 'R') { 172 (void) snprintf(modefile, sizeof(modefile), 173 "%s/rstmode%d-XXXXXX", _PATH_TMP, dumpdate); 174 if ((mfd = mkstemp(modefile)) == -1) 175 err(1, "cannot mkstemp temporary file %s", 176 modefile); 177 mf = fdopen(mfd, "w"); 178 } 179 else 180 mf = fopen(modefile, "w"); 181 if (mf == NULL) 182 err(1, "cannot open temporary file %s", modefile); 183 } 184 nulldir.d_ino = 0; 185 nulldir.d_type = DT_DIR; 186 nulldir.d_namlen = 1; 187 (void) strcpy(nulldir.d_name, "/"); 188 nulldir.d_reclen = DIRSIZ(0, &nulldir); 189 for (;;) { 190 curfile.name = "<directory file - name unknown>"; 191 curfile.action = USING; 192 ip = curfile.dip; 193 if (ip == NULL || (ip->di_mode & IFMT) != IFDIR) { 194 (void) fclose(df); 195 dirp = opendirfile(dirfile); 196 if (dirp == NULL) 197 fprintf(stderr, "opendirfile: %s\n", 198 strerror(errno)); 199 if (mf != NULL) 200 (void) fclose(mf); 201 i = dirlookup(dot); 202 if (i == 0) 203 panic("Root directory is not on tape\n"); 204 return; 205 } 206 itp = allocinotab(curfile.ino, ip, seekpt); 207 getfile(putdir, xtrnull); 208 putent(&nulldir); 209 flushent(); 210 itp->t_size = seekpt - itp->t_seekpt; 211 } 212 } 213 214 /* 215 * skip over all the directories on the tape 216 */ 217 void 218 skipdirs() 219 { 220 221 while (curfile.dip && (curfile.dip->di_mode & IFMT) == IFDIR) { 222 skipfile(); 223 } 224 } 225 226 /* 227 * Recursively find names and inumbers of all files in subtree 228 * pname and pass them off to be processed. 229 */ 230 void 231 treescan(pname, ino, todo) 232 char *pname; 233 ino_t ino; 234 long (*todo) __P((char *, ino_t, int)); 235 { 236 struct inotab *itp; 237 struct direct *dp; 238 int namelen; 239 long bpt; 240 char locname[MAXPATHLEN + 1]; 241 242 itp = inotablookup(ino); 243 if (itp == NULL) { 244 /* 245 * Pname is name of a simple file or an unchanged directory. 246 */ 247 (void) (*todo)(pname, ino, LEAF); 248 return; 249 } 250 /* 251 * Pname is a dumped directory name. 252 */ 253 if ((*todo)(pname, ino, NODE) == FAIL) 254 return; 255 /* 256 * begin search through the directory 257 * skipping over "." and ".." 258 */ 259 (void) snprintf(locname, sizeof(locname), "%s/", pname); 260 namelen = strlen(locname); 261 rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt); 262 dp = rst_readdir(dirp); /* "." */ 263 if (dp != NULL && strcmp(dp->d_name, ".") == 0) 264 dp = rst_readdir(dirp); /* ".." */ 265 else 266 fprintf(stderr, "Warning: `.' missing from directory %s\n", 267 pname); 268 if (dp != NULL && strcmp(dp->d_name, "..") == 0) 269 dp = rst_readdir(dirp); /* first real entry */ 270 else 271 fprintf(stderr, "Warning: `..' missing from directory %s\n", 272 pname); 273 bpt = rst_telldir(dirp); 274 /* 275 * a zero inode signals end of directory 276 */ 277 while (dp != NULL) { 278 locname[namelen] = '\0'; 279 if (namelen + dp->d_namlen >= sizeof(locname)) { 280 fprintf(stderr, "%s%s: name exceeds %d char\n", 281 locname, dp->d_name, sizeof(locname) - 1); 282 } else { 283 (void) strncat(locname, dp->d_name, (int)dp->d_namlen); 284 treescan(locname, dp->d_ino, todo); 285 rst_seekdir(dirp, bpt, itp->t_seekpt); 286 } 287 dp = rst_readdir(dirp); 288 bpt = rst_telldir(dirp); 289 } 290 } 291 292 /* 293 * Lookup a pathname which is always assumed to start from the ROOTINO. 294 */ 295 struct direct * 296 pathsearch(pathname) 297 const char *pathname; 298 { 299 ino_t ino; 300 struct direct *dp; 301 char *path, *name, buffer[MAXPATHLEN]; 302 303 strcpy(buffer, pathname); 304 path = buffer; 305 ino = ROOTINO; 306 while (*path == '/') 307 path++; 308 dp = NULL; 309 while ((name = strsep(&path, "/")) != NULL && *name != NULL) { 310 if ((dp = searchdir(ino, name)) == NULL) 311 return (NULL); 312 ino = dp->d_ino; 313 } 314 return (dp); 315 } 316 317 /* 318 * Lookup the requested name in directory inum. 319 * Return its inode number if found, zero if it does not exist. 320 */ 321 static struct direct * 322 searchdir(inum, name) 323 ino_t inum; 324 char *name; 325 { 326 struct direct *dp; 327 struct inotab *itp; 328 int len; 329 330 itp = inotablookup(inum); 331 if (itp == NULL) 332 return (NULL); 333 rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt); 334 len = strlen(name); 335 do { 336 dp = rst_readdir(dirp); 337 if (dp == NULL) 338 return (NULL); 339 } while (dp->d_namlen != len || strncmp(dp->d_name, name, len) != 0); 340 return (dp); 341 } 342 343 /* 344 * Put the directory entries in the directory file 345 */ 346 static void 347 putdir(buf, size) 348 char *buf; 349 long size; 350 { 351 struct direct cvtbuf; 352 struct odirect *odp; 353 struct odirect *eodp; 354 struct direct *dp; 355 long loc, i; 356 357 if (cvtflag) { 358 eodp = (struct odirect *)&buf[size]; 359 for (odp = (struct odirect *)buf; odp < eodp; odp++) 360 if (odp->d_ino != 0) { 361 dcvt(odp, &cvtbuf); 362 putent(&cvtbuf); 363 } 364 } else { 365 for (loc = 0; loc < size; ) { 366 dp = (struct direct *)(buf + loc); 367 if (Bcvt) 368 swabst((u_char *)"ls", (u_char *) dp); 369 if (oldinofmt && dp->d_ino != 0) { 370 # if BYTE_ORDER == BIG_ENDIAN 371 if (Bcvt) 372 dp->d_namlen = dp->d_type; 373 # else 374 if (!Bcvt) 375 dp->d_namlen = dp->d_type; 376 # endif 377 dp->d_type = DT_UNKNOWN; 378 } 379 i = DIRBLKSIZ - (loc & (DIRBLKSIZ - 1)); 380 if ((dp->d_reclen & 0x3) != 0 || 381 dp->d_reclen > i || 382 dp->d_reclen < DIRSIZ(0, dp) || 383 dp->d_namlen > NAME_MAX) { 384 vprintf(stdout, "Mangled directory: "); 385 if ((dp->d_reclen & 0x3) != 0) 386 vprintf(stdout, 387 "reclen not multiple of 4 "); 388 if (dp->d_reclen < DIRSIZ(0, dp)) 389 vprintf(stdout, 390 "reclen less than DIRSIZ (%d < %d) ", 391 dp->d_reclen, DIRSIZ(0, dp)); 392 if (dp->d_namlen > NAME_MAX) 393 vprintf(stdout, 394 "reclen name too big (%d > %d) ", 395 dp->d_namlen, NAME_MAX); 396 vprintf(stdout, "\n"); 397 loc += i; 398 continue; 399 } 400 loc += dp->d_reclen; 401 if (dp->d_ino != 0) { 402 putent(dp); 403 } 404 } 405 } 406 } 407 408 /* 409 * These variables are "local" to the following two functions. 410 */ 411 char dirbuf[DIRBLKSIZ]; 412 long dirloc = 0; 413 long prev = 0; 414 415 /* 416 * add a new directory entry to a file. 417 */ 418 static void 419 putent(dp) 420 struct direct *dp; 421 { 422 dp->d_reclen = DIRSIZ(0, dp); 423 if (dirloc + dp->d_reclen > DIRBLKSIZ) { 424 ((struct direct *)(dirbuf + prev))->d_reclen = 425 DIRBLKSIZ - prev; 426 (void) fwrite(dirbuf, 1, DIRBLKSIZ, df); 427 dirloc = 0; 428 } 429 memcpy(dirbuf + dirloc, dp, (long)dp->d_reclen); 430 prev = dirloc; 431 dirloc += dp->d_reclen; 432 } 433 434 /* 435 * flush out a directory that is finished. 436 */ 437 static void 438 flushent() 439 { 440 ((struct direct *)(dirbuf + prev))->d_reclen = DIRBLKSIZ - prev; 441 (void) fwrite(dirbuf, (int)dirloc, 1, df); 442 seekpt = ftell(df); 443 dirloc = 0; 444 } 445 446 static void 447 dcvt(odp, ndp) 448 struct odirect *odp; 449 struct direct *ndp; 450 { 451 452 memset(ndp, 0, (size_t)(sizeof *ndp)); 453 ndp->d_ino = odp->d_ino; 454 ndp->d_type = DT_UNKNOWN; 455 (void) strncpy(ndp->d_name, odp->d_name, ODIRSIZ); 456 ndp->d_namlen = strlen(ndp->d_name); 457 ndp->d_reclen = DIRSIZ(0, ndp); 458 } 459 460 /* 461 * Seek to an entry in a directory. 462 * Only values returned by rst_telldir should be passed to rst_seekdir. 463 * This routine handles many directories in a single file. 464 * It takes the base of the directory in the file, plus 465 * the desired seek offset into it. 466 */ 467 static void 468 rst_seekdir(dirp, loc, base) 469 RST_DIR *dirp; 470 long loc, base; 471 { 472 473 if (loc == rst_telldir(dirp)) 474 return; 475 loc -= base; 476 if (loc < 0) 477 fprintf(stderr, "bad seek pointer to rst_seekdir %d\n", loc); 478 (void) lseek(dirp->dd_fd, base + (loc & ~(DIRBLKSIZ - 1)), SEEK_SET); 479 dirp->dd_loc = loc & (DIRBLKSIZ - 1); 480 if (dirp->dd_loc != 0) 481 dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf, DIRBLKSIZ); 482 } 483 484 /* 485 * get next entry in a directory. 486 */ 487 struct direct * 488 rst_readdir(dirp) 489 RST_DIR *dirp; 490 { 491 struct direct *dp; 492 493 for (;;) { 494 if (dirp->dd_loc == 0) { 495 dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf, 496 DIRBLKSIZ); 497 if (dirp->dd_size <= 0) { 498 dprintf(stderr, "error reading directory\n"); 499 return (NULL); 500 } 501 } 502 if (dirp->dd_loc >= dirp->dd_size) { 503 dirp->dd_loc = 0; 504 continue; 505 } 506 dp = (struct direct *)(dirp->dd_buf + dirp->dd_loc); 507 if (dp->d_reclen == 0 || 508 dp->d_reclen > DIRBLKSIZ + 1 - dirp->dd_loc) { 509 dprintf(stderr, "corrupted directory: bad reclen %d\n", 510 dp->d_reclen); 511 return (NULL); 512 } 513 dirp->dd_loc += dp->d_reclen; 514 if (dp->d_ino == 0 && strcmp(dp->d_name, "/") == 0) 515 return (NULL); 516 if (dp->d_ino >= maxino) { 517 dprintf(stderr, "corrupted directory: bad inum %d\n", 518 dp->d_ino); 519 continue; 520 } 521 return (dp); 522 } 523 } 524 525 /* 526 * Simulate the opening of a directory 527 */ 528 RST_DIR * 529 rst_opendir(name) 530 const char *name; 531 { 532 struct inotab *itp; 533 RST_DIR *dirp; 534 ino_t ino; 535 536 if ((ino = dirlookup(name)) > 0 && 537 (itp = inotablookup(ino)) != NULL) { 538 dirp = opendirfile(dirfile); 539 rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt); 540 return (dirp); 541 } 542 return (NULL); 543 } 544 545 /* 546 * In our case, there is nothing to do when closing a directory. 547 */ 548 void 549 rst_closedir(dirp) 550 RST_DIR *dirp; 551 { 552 553 (void)close(dirp->dd_fd); 554 free(dirp); 555 return; 556 } 557 558 /* 559 * Simulate finding the current offset in the directory. 560 */ 561 static long 562 rst_telldir(dirp) 563 RST_DIR *dirp; 564 { 565 return ((long)lseek(dirp->dd_fd, 566 (off_t)0, SEEK_CUR) - dirp->dd_size + dirp->dd_loc); 567 } 568 569 /* 570 * Open a directory file. 571 */ 572 static RST_DIR * 573 opendirfile(name) 574 const char *name; 575 { 576 RST_DIR *dirp; 577 int fd; 578 579 if ((fd = open(name, O_RDONLY)) == -1) 580 return (NULL); 581 if ((dirp = malloc(sizeof(RST_DIR))) == NULL) { 582 (void)close(fd); 583 return (NULL); 584 } 585 dirp->dd_fd = fd; 586 dirp->dd_loc = 0; 587 return (dirp); 588 } 589 590 /* 591 * Set the mode, owner, and times for all new or changed directories 592 */ 593 void 594 setdirmodes(flags) 595 int flags; 596 { 597 FILE *mf; 598 struct modeinfo node; 599 struct entry *ep; 600 char *cp; 601 602 vprintf(stdout, "Set directory mode, owner, and times.\n"); 603 if (command == 'r' || command == 'R') 604 (void) snprintf(modefile, sizeof(modefile), "%s/rstmode%d", 605 _PATH_TMP, dumpdate); 606 if (modefile[0] == '#') { 607 panic("modefile not defined\n"); 608 fprintf(stderr, "directory mode, owner, and times not set\n"); 609 return; 610 } 611 mf = fopen(modefile, "r"); 612 if (mf == NULL) { 613 fprintf(stderr, "fopen: %s\n", strerror(errno)); 614 fprintf(stderr, "cannot open mode file %s\n", modefile); 615 fprintf(stderr, "directory mode, owner, and times not set\n"); 616 return; 617 } 618 clearerr(mf); 619 for (;;) { 620 (void) fread((char *)&node, 1, sizeof(struct modeinfo), mf); 621 if (feof(mf)) 622 break; 623 ep = lookupino(node.ino); 624 if (command == 'i' || command == 'x') { 625 if (ep == NULL) 626 continue; 627 if ((flags & FORCE) == 0 && ep->e_flags & EXISTED) { 628 ep->e_flags &= ~NEW; 629 continue; 630 } 631 if (node.ino == ROOTINO && 632 reply("set owner/mode for '.'") == FAIL) 633 continue; 634 } 635 if (ep == NULL) { 636 panic("cannot find directory inode %d\n", node.ino); 637 } else { 638 cp = myname(ep); 639 (void) chown(cp, node.uid, node.gid); 640 (void) chmod(cp, node.mode); 641 (void) chflags(cp, node.flags); 642 utimes(cp, node.timep); 643 ep->e_flags &= ~NEW; 644 } 645 } 646 if (ferror(mf)) 647 panic("error setting directory modes\n"); 648 (void) fclose(mf); 649 } 650 651 /* 652 * Generate a literal copy of a directory. 653 */ 654 int 655 genliteraldir(name, ino) 656 char *name; 657 ino_t ino; 658 { 659 struct inotab *itp; 660 int ofile, dp, i, size; 661 char buf[BUFSIZ]; 662 663 itp = inotablookup(ino); 664 if (itp == NULL) 665 panic("Cannot find directory inode %d named %s\n", ino, name); 666 if ((ofile = open(name, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) { 667 fprintf(stderr, "%s: ", name); 668 (void) fflush(stderr); 669 fprintf(stderr, "cannot create file: %s\n", strerror(errno)); 670 return (FAIL); 671 } 672 rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt); 673 dp = dup(dirp->dd_fd); 674 for (i = itp->t_size; i > 0; i -= BUFSIZ) { 675 size = i < BUFSIZ ? i : BUFSIZ; 676 if (read(dp, buf, (int) size) == -1) { 677 fprintf(stderr, 678 "write error extracting inode %d, name %s\n", 679 curfile.ino, curfile.name); 680 fprintf(stderr, "read: %s\n", strerror(errno)); 681 exit(1); 682 } 683 if (!Nflag && write(ofile, buf, (int) size) == -1) { 684 fprintf(stderr, 685 "write error extracting inode %d, name %s\n", 686 curfile.ino, curfile.name); 687 fprintf(stderr, "write: %s\n", strerror(errno)); 688 exit(1); 689 } 690 } 691 (void) close(dp); 692 (void) close(ofile); 693 return (GOOD); 694 } 695 696 /* 697 * Determine the type of an inode 698 */ 699 int 700 inodetype(ino) 701 ino_t ino; 702 { 703 struct inotab *itp; 704 705 itp = inotablookup(ino); 706 if (itp == NULL) 707 return (LEAF); 708 return (NODE); 709 } 710 711 /* 712 * Allocate and initialize a directory inode entry. 713 * If requested, save its pertinent mode, owner, and time info. 714 */ 715 static struct inotab * 716 allocinotab(ino, dip, seekpt) 717 ino_t ino; 718 struct dinode *dip; 719 long seekpt; 720 { 721 struct inotab *itp; 722 struct modeinfo node; 723 724 itp = calloc(1, sizeof(struct inotab)); 725 if (itp == NULL) 726 panic("no memory directory table\n"); 727 itp->t_next = inotab[INOHASH(ino)]; 728 inotab[INOHASH(ino)] = itp; 729 itp->t_ino = ino; 730 itp->t_seekpt = seekpt; 731 if (mf == NULL) 732 return (itp); 733 node.ino = ino; 734 node.timep[0].tv_sec = dip->di_atime; 735 node.timep[0].tv_usec = dip->di_atimensec / 1000; 736 node.timep[1].tv_sec = dip->di_mtime; 737 node.timep[1].tv_usec = dip->di_mtimensec / 1000; 738 node.mode = dip->di_mode; 739 node.flags = dip->di_flags; 740 node.uid = dip->di_uid; 741 node.gid = dip->di_gid; 742 (void) fwrite((char *)&node, 1, sizeof(struct modeinfo), mf); 743 return (itp); 744 } 745 746 /* 747 * Look up an inode in the table of directories 748 */ 749 static struct inotab * 750 inotablookup(ino) 751 ino_t ino; 752 { 753 struct inotab *itp; 754 755 for (itp = inotab[INOHASH(ino)]; itp != NULL; itp = itp->t_next) 756 if (itp->t_ino == ino) 757 return (itp); 758 return (NULL); 759 } 760 761 /* 762 * Clean up and exit 763 */ 764 void 765 cleanup() 766 { 767 768 closemt(); 769 if (modefile[0] != '#') 770 (void) unlink(modefile); 771 if (dirfile[0] != '#') 772 (void) unlink(dirfile); 773 } 774
Indexes created Thu Sep 25 16:09:42 GMT 2025