1 /* $NetBSD: tape.c,v 1.59 2007/02/09 09:36:02 hannken 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. 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 #include <sys/cdefs.h> 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)tape.c 8.9 (Berkeley) 5/1/95"; 41 #else 42 __RCSID("$NetBSD: tape.c,v 1.59 2007/02/09 09:36:02 hannken Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/file.h> 48 #include <sys/ioctl.h> 49 #include <sys/mtio.h> 50 #include <sys/stat.h> 51 52 #include <ufs/ufs/dinode.h> 53 #include <protocols/dumprestore.h> 54 55 #include <err.h> 56 #include <errno.h> 57 #include <paths.h> 58 #include <setjmp.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.h> 62 #include <time.h> 63 #include <unistd.h> 64 65 #include <md5.h> 66 #include <rmd160.h> 67 #include <sha1.h> 68 69 #include "restore.h" 70 #include "extern.h" 71 72 static u_int32_t fssize = MAXBSIZE; 73 static int mt = -1; 74 static int pipein = 0; 75 static char magtape[BUFSIZ]; 76 static int blkcnt; 77 static int numtrec; 78 static char *tapebuf; 79 static union u_spcl endoftapemark; 80 static int blksread; /* blocks read since last header */ 81 static int tpblksread = 0; /* TP_BSIZE blocks read */ 82 static int tapesread; 83 static jmp_buf restart; 84 static int gettingfile = 0; /* restart has a valid frame */ 85 #ifdef RRESTORE 86 static const char *host = NULL; 87 #endif 88 89 static int ofile; 90 static char lnkbuf[MAXPATHLEN + 1]; 91 static int pathlen; 92 93 int oldinofmt; /* old inode format conversion required */ 94 int Bcvt; /* Swap Bytes (for CCI or sun) */ 95 96 const struct digest_desc *ddesc; 97 const struct digest_desc digest_descs[] = { 98 { "MD5", 99 (void (*)(void *))MD5Init, 100 (void (*)(void *, const u_char *, u_int))MD5Update, 101 (char *(*)(void *, void *))MD5End, }, 102 { "SHA1", 103 (void (*)(void *))SHA1Init, 104 (void (*)(void *, const u_char *, u_int))SHA1Update, 105 (char *(*)(void *, void *))SHA1End, }, 106 { "RMD160", 107 (void (*)(void *))RMD160Init, 108 (void (*)(void *, const u_char *, u_int))RMD160Update, 109 (char *(*)(void *, void *))RMD160End, }, 110 { .dd_name = NULL }, 111 }; 112 113 static union digest_context { 114 MD5_CTX dc_md5; 115 SHA1_CTX dc_sha1; 116 RMD160_CTX dc_rmd160; 117 } dcontext; 118 119 union digest_buffer { 120 char db_md5[32 + 1]; 121 char db_sha1[40 + 1]; 122 char db_rmd160[40 + 1]; 123 }; 124 125 #define FLUSHTAPEBUF() blkcnt = ntrec + 1 126 127 union u_ospcl { 128 char dummy[TP_BSIZE]; 129 struct s_ospcl { 130 int32_t c_type; 131 int32_t c_date; 132 int32_t c_ddate; 133 int32_t c_volume; 134 int32_t c_tapea; 135 u_int16_t c_inumber; 136 int32_t c_magic; 137 int32_t c_checksum; 138 struct odinode { 139 unsigned short odi_mode; 140 u_int16_t odi_nlink; 141 u_int16_t odi_uid; 142 u_int16_t odi_gid; 143 int32_t odi_size; 144 int32_t odi_rdev; 145 char odi_addr[36]; 146 int32_t odi_atime; 147 int32_t odi_mtime; 148 int32_t odi_ctime; 149 } c_odinode; 150 int32_t c_count; 151 char c_addr[256]; 152 } s_ospcl; 153 }; 154 155 static void accthdr(struct s_spcl *); 156 static int checksum(int *); 157 static void findinode(struct s_spcl *); 158 static void findtapeblksize(void); 159 static void getbitmap(char **); 160 static int gethead(struct s_spcl *); 161 static void readtape(char *); 162 static void setdumpnum(void); 163 static void terminateinput(void); 164 static void xtrfile(char *, long); 165 static void xtrlnkfile(char *, long); 166 static void xtrlnkskip(char *, long); 167 static void xtrskip(char *, long); 168 static void swap_header(struct s_spcl *); 169 static void swap_old_header(struct s_ospcl *); 170 171 const struct digest_desc * 172 digest_lookup(const char *name) 173 { 174 const struct digest_desc *dd; 175 176 for (dd = digest_descs; dd->dd_name != NULL; dd++) 177 if (strcasecmp(dd->dd_name, name) == 0) 178 return (dd); 179 180 return (NULL); 181 } 182 183 /* 184 * Set up an input source 185 */ 186 void 187 setinput(const char *source) 188 { 189 char *cp; 190 FLUSHTAPEBUF(); 191 if (bflag) 192 newtapebuf(ntrec); 193 else 194 newtapebuf(NTREC > HIGHDENSITYTREC ? NTREC : HIGHDENSITYTREC); 195 terminal = stdin; 196 197 #ifdef RRESTORE 198 if ((cp = strchr(source, ':')) != NULL) { 199 host = source; 200 /* Ok, because const strings don't have : */ 201 *cp++ = '\0'; 202 source = cp; 203 if (rmthost(host) == 0) 204 exit(1); 205 } else 206 #endif 207 if (strcmp(source, "-") == 0) { 208 /* 209 * Since input is coming from a pipe we must establish 210 * our own connection to the terminal. 211 */ 212 terminal = fopen(_PATH_TTY, "r"); 213 if (terminal == NULL) { 214 (void)fprintf(stderr, "cannot open %s: %s\n", 215 _PATH_TTY, strerror(errno)); 216 terminal = fopen(_PATH_DEVNULL, "r"); 217 if (terminal == NULL) { 218 (void)fprintf(stderr, "cannot open %s: %s\n", 219 _PATH_DEVNULL, strerror(errno)); 220 exit(1); 221 } 222 } 223 pipein++; 224 } 225 (void) strcpy(magtape, source); 226 } 227 228 void 229 newtapebuf(long size) 230 { 231 static int tapebufsize = -1; 232 233 ntrec = size; 234 if (size <= tapebufsize) 235 return; 236 if (tapebuf != NULL) 237 free(tapebuf); 238 tapebuf = malloc(size * TP_BSIZE); 239 if (tapebuf == NULL) { 240 fprintf(stderr, "Cannot allocate space for tape buffer\n"); 241 exit(1); 242 } 243 tapebufsize = size; 244 } 245 246 /* 247 * Verify that the tape drive can be accessed and 248 * that it actually is a dump tape. 249 */ 250 void 251 setup(void) 252 { 253 int i, j, *ip; 254 struct stat stbuf; 255 256 vprintf(stdout, "Verify tape and initialize maps\n"); 257 #ifdef RRESTORE 258 if (host) 259 mt = rmtopen(magtape, 0); 260 else 261 #endif 262 if (pipein) 263 mt = 0; 264 else 265 mt = open(magtape, O_RDONLY, 0); 266 if (mt < 0) { 267 fprintf(stderr, "%s: %s\n", magtape, strerror(errno)); 268 exit(1); 269 } 270 volno = 1; 271 setdumpnum(); 272 FLUSHTAPEBUF(); 273 if (!pipein && !bflag) 274 findtapeblksize(); 275 if (gethead(&spcl) == FAIL) { 276 blkcnt--; /* push back this block */ 277 blksread--; 278 tpblksread--; 279 cvtflag++; 280 if (gethead(&spcl) == FAIL) { 281 fprintf(stderr, "Tape is not a dump tape\n"); 282 exit(1); 283 } 284 fprintf(stderr, "Converting to new file system format.\n"); 285 } 286 if (pipein) { 287 endoftapemark.s_spcl.c_magic = cvtflag ? OFS_MAGIC : 288 FS_UFS2_MAGIC; 289 endoftapemark.s_spcl.c_type = TS_END; 290 ip = (int *)&endoftapemark; 291 j = sizeof(union u_spcl) / sizeof(int); 292 i = 0; 293 do 294 i += *ip++; 295 while (--j); 296 endoftapemark.s_spcl.c_checksum = CHECKSUM - i; 297 } 298 if (vflag || command == 't') 299 printdumpinfo(); 300 dumptime = spcl.c_ddate; 301 dumpdate = spcl.c_date; 302 if (stat(".", &stbuf) < 0) { 303 fprintf(stderr, "cannot stat .: %s\n", strerror(errno)); 304 exit(1); 305 } 306 if (stbuf.st_blksize >= TP_BSIZE && stbuf.st_blksize <= MAXBSIZE) 307 fssize = stbuf.st_blksize; 308 if (((fssize - 1) & fssize) != 0) { 309 fprintf(stderr, "bad block size %d\n", fssize); 310 exit(1); 311 } 312 if (spcl.c_volume != 1) { 313 fprintf(stderr, "Tape is not volume 1 of the dump\n"); 314 exit(1); 315 } 316 if (gethead(&spcl) == FAIL) { 317 dprintf(stdout, "header read failed at %d blocks\n", blksread); 318 panic("no header after volume mark!\n"); 319 } 320 findinode(&spcl); 321 if (spcl.c_type != TS_CLRI) { 322 fprintf(stderr, "Cannot find file removal list\n"); 323 exit(1); 324 } 325 getbitmap(&usedinomap); 326 getbitmap(&dumpmap); 327 /* 328 * If there may be whiteout entries on the tape, pretend that the 329 * whiteout inode exists, so that the whiteout entries can be 330 * extracted. 331 */ 332 if (oldinofmt == 0) 333 SETINO(WINO, dumpmap); 334 } 335 336 /* 337 * Prompt user to load a new dump volume. 338 * "Nextvol" is the next suggested volume to use. 339 * This suggested volume is enforced when doing full 340 * or incremental restores, but can be overrridden by 341 * the user when only extracting a subset of the files. 342 */ 343 void 344 getvol(int nextvol) 345 { 346 int newvol, savecnt, wantnext, i; 347 union u_spcl tmpspcl; 348 # define tmpbuf tmpspcl.s_spcl 349 char buf[TP_BSIZE]; 350 351 newvol = savecnt = wantnext = 0; 352 if (nextvol == 1) { 353 tapesread = 0; 354 gettingfile = 0; 355 } 356 if (pipein) { 357 if (nextvol != 1) 358 panic("Changing volumes on pipe input?\n"); 359 if (volno == 1) 360 return; 361 goto gethdr; 362 } 363 savecnt = blksread; 364 again: 365 if (pipein) 366 exit(1); /* pipes do not get a second chance */ 367 if (command == 'R' || command == 'r' || curfile.action != SKIP) { 368 newvol = nextvol; 369 wantnext = 1; 370 } else { 371 newvol = 0; 372 wantnext = 0; 373 } 374 while (newvol <= 0) { 375 if (tapesread == 0) { 376 fprintf(stderr, "%s%s%s%s%s", 377 "You have not read any tapes yet.\n", 378 "Unless you know which volume your", 379 " file(s) are on you should start\n", 380 "with the last volume and work", 381 " towards the first.\n"); 382 fprintf(stderr, 383 "(Use 1 for the first volume/tape, etc.)\n"); 384 } else { 385 fprintf(stderr, "You have read volumes"); 386 strcpy(buf, ": "); 387 for (i = 1; i < 32; i++) 388 if (tapesread & (1 << i)) { 389 fprintf(stderr, "%s%d", buf, i); 390 strcpy(buf, ", "); 391 } 392 fprintf(stderr, "\n"); 393 } 394 do { 395 fprintf(stderr, "Specify next volume #: "); 396 (void) fflush(stderr); 397 (void) fgets(buf, BUFSIZ, terminal); 398 } while (!feof(terminal) && buf[0] == '\n'); 399 if (feof(terminal)) 400 exit(1); 401 newvol = atoi(buf); 402 if (newvol <= 0) { 403 fprintf(stderr, 404 "Volume numbers are positive numerics\n"); 405 } 406 } 407 if (newvol == volno) { 408 tapesread |= 1 << volno; 409 return; 410 } 411 closemt(); 412 fprintf(stderr, "Mount tape volume %d\n", newvol); 413 fprintf(stderr, "Enter ``none'' if there are no more tapes\n"); 414 fprintf(stderr, "otherwise enter tape name (default: %s) ", magtape); 415 (void) fflush(stderr); 416 (void) fgets(buf, BUFSIZ, terminal); 417 if (feof(terminal)) 418 exit(1); 419 if (!strcmp(buf, "none\n")) { 420 terminateinput(); 421 return; 422 } 423 if (buf[0] != '\n') { 424 (void) strcpy(magtape, buf); 425 magtape[strlen(magtape) - 1] = '\0'; 426 } 427 #ifdef RRESTORE 428 if (host) 429 mt = rmtopen(magtape, 0); 430 else 431 #endif 432 mt = open(magtape, O_RDONLY, 0); 433 434 if (mt == -1) { 435 fprintf(stderr, "Cannot open %s\n", magtape); 436 volno = -1; 437 goto again; 438 } 439 gethdr: 440 volno = newvol; 441 setdumpnum(); 442 FLUSHTAPEBUF(); 443 if (gethead(&tmpbuf) == FAIL) { 444 dprintf(stdout, "header read failed at %d blocks\n", blksread); 445 fprintf(stderr, "tape is not dump tape\n"); 446 volno = 0; 447 goto again; 448 } 449 if (tmpbuf.c_volume != volno) { 450 fprintf(stderr, 451 "Volume mismatch: expecting %d, tape header claims it is %d\n", 452 volno, tmpbuf.c_volume); 453 volno = 0; 454 goto again; 455 } 456 if (tmpbuf.c_date != dumpdate || tmpbuf.c_ddate != dumptime) { 457 time_t ttime = tmpbuf.c_date; 458 fprintf(stderr, "Wrong dump date\n\tgot: %s", 459 ctime(&ttime)); 460 fprintf(stderr, "\twanted: %s", ctime(&dumpdate)); 461 volno = 0; 462 goto again; 463 } 464 tapesread |= 1 << volno; 465 blksread = savecnt; 466 /* 467 * If continuing from the previous volume, skip over any 468 * blocks read already at the end of the previous volume. 469 * 470 * If coming to this volume at random, skip to the beginning 471 * of the next record. 472 */ 473 dprintf(stdout, "read %ld recs, tape starts with %ld\n", 474 (long)tpblksread, (long)tmpbuf.c_firstrec); 475 if (tmpbuf.c_type == TS_TAPE && (tmpbuf.c_flags & DR_NEWHEADER)) { 476 if (!wantnext) { 477 tpblksread = tmpbuf.c_firstrec; 478 for (i = tmpbuf.c_count; i > 0; i--) 479 readtape(buf); 480 } else if (tmpbuf.c_firstrec > 0 && 481 tmpbuf.c_firstrec < tpblksread - 1) { 482 /* 483 * -1 since we've read the volume header 484 */ 485 i = tpblksread - tmpbuf.c_firstrec - 1; 486 dprintf(stderr, "Skipping %d duplicate record%s.\n", 487 i, i > 1 ? "s" : ""); 488 while (--i >= 0) 489 readtape(buf); 490 } 491 } 492 if (curfile.action == USING) { 493 if (volno == 1) 494 panic("active file into volume 1\n"); 495 return; 496 } 497 /* 498 * Skip up to the beginning of the next record 499 */ 500 if (tmpbuf.c_type == TS_TAPE && (tmpbuf.c_flags & DR_NEWHEADER)) 501 for (i = tmpbuf.c_count; i > 0; i--) 502 readtape(buf); 503 (void) gethead(&spcl); 504 findinode(&spcl); 505 if (gettingfile) { 506 gettingfile = 0; 507 longjmp(restart, 1); 508 } 509 } 510 511 /* 512 * Handle unexpected EOF. 513 */ 514 static void 515 terminateinput(void) 516 { 517 518 if (gettingfile && curfile.action == USING) { 519 printf("Warning: %s %s\n", 520 "End-of-input encountered while extracting", curfile.name); 521 } 522 curfile.name = "<name unknown>"; 523 curfile.action = UNKNOWN; 524 curfile.mode = 0; 525 curfile.ino = maxino; 526 if (gettingfile) { 527 gettingfile = 0; 528 longjmp(restart, 1); 529 } 530 } 531 532 /* 533 * handle multiple dumps per tape by skipping forward to the 534 * appropriate one. 535 */ 536 static void 537 setdumpnum(void) 538 { 539 struct mtop tcom; 540 541 if (dumpnum == 1 || volno != 1) 542 return; 543 if (pipein) { 544 fprintf(stderr, "Cannot have multiple dumps on pipe input\n"); 545 exit(1); 546 } 547 tcom.mt_op = MTFSF; 548 tcom.mt_count = dumpnum - 1; 549 #ifdef RRESTORE 550 if (host) 551 rmtioctl(MTFSF, dumpnum - 1); 552 else 553 #endif 554 if (ioctl(mt, (int)MTIOCTOP, (char *)&tcom) < 0) 555 fprintf(stderr, "ioctl MTFSF: %s\n", strerror(errno)); 556 } 557 558 void 559 printdumpinfo(void) 560 { 561 time_t ttime; 562 563 ttime = spcl.c_date; 564 fprintf(stdout, "Dump date: %s", ctime(&ttime)); 565 ttime = spcl.c_ddate; 566 fprintf(stdout, "Dumped from: %s", 567 (spcl.c_ddate == 0) ? "the epoch\n" : ctime(&ttime)); 568 fprintf(stderr, "Level %d dump of %s on %s:%s\n", 569 spcl.c_level, spcl.c_filesys, 570 *spcl.c_host? spcl.c_host: "[unknown]", spcl.c_dev); 571 fprintf(stderr, "Label: %s\n", spcl.c_label); 572 573 if (Mtreefile) { 574 ttime = spcl.c_date; 575 fprintf(Mtreefile, "#Dump date: %s", ctime(&ttime)); 576 ttime = spcl.c_ddate; 577 fprintf(Mtreefile, "#Dumped from: %s", 578 (spcl.c_ddate == 0) ? "the epoch\n" : ctime(&ttime)); 579 fprintf(Mtreefile, "#Level %d dump of %s on %s:%s\n", 580 spcl.c_level, spcl.c_filesys, 581 *spcl.c_host? spcl.c_host: "[unknown]", spcl.c_dev); 582 fprintf(Mtreefile, "#Label: %s\n", spcl.c_label); 583 fprintf(Mtreefile, "/set uname=root gname=wheel\n"); 584 if (ferror(Mtreefile)) 585 err(1, "error writing to mtree file"); 586 } 587 } 588 589 int 590 extractfile(char *name) 591 { 592 union digest_buffer dbuffer; 593 int flags; 594 uid_t uid; 595 gid_t gid; 596 mode_t mode; 597 struct timeval mtimep[2], ctimep[2]; 598 struct entry *ep; 599 int setbirth; 600 601 curfile.name = name; 602 curfile.action = USING; 603 mtimep[0].tv_sec = curfile.atime_sec; 604 mtimep[0].tv_usec = curfile.atime_nsec / 1000; 605 mtimep[1].tv_sec = curfile.mtime_sec; 606 mtimep[1].tv_usec = curfile.mtime_nsec / 1000; 607 608 setbirth = curfile.birthtime_sec != 0; 609 610 if (setbirth) { 611 ctimep[0].tv_sec = curfile.atime_sec; 612 ctimep[0].tv_usec = curfile.atime_nsec / 1000; 613 ctimep[1].tv_sec = curfile.birthtime_sec; 614 ctimep[1].tv_usec = curfile.birthtime_nsec / 1000; 615 } 616 uid = curfile.uid; 617 gid = curfile.gid; 618 mode = curfile.mode; 619 flags = curfile.file_flags; 620 switch (mode & IFMT) { 621 622 default: 623 fprintf(stderr, "%s: unknown file mode 0%o\n", name, mode); 624 skipfile(); 625 return (FAIL); 626 627 case IFSOCK: 628 vprintf(stdout, "skipped socket %s\n", name); 629 skipfile(); 630 return (GOOD); 631 632 case IFDIR: 633 if (mflag) { 634 ep = lookupname(name); 635 if (ep == NULL || ep->e_flags & EXTRACT) 636 panic("unextracted directory %s\n", name); 637 skipfile(); 638 return (GOOD); 639 } 640 vprintf(stdout, "extract file %s\n", name); 641 return (genliteraldir(name, curfile.ino)); 642 643 case IFLNK: 644 lnkbuf[0] = '\0'; 645 pathlen = 0; 646 getfile(xtrlnkfile, xtrlnkskip); 647 if (pathlen == 0) { 648 vprintf(stdout, 649 "%s: zero length symbolic link (ignored)\n", name); 650 return (GOOD); 651 } 652 if (uflag) 653 (void) unlink(name); 654 if (linkit(lnkbuf, name, SYMLINK) == GOOD) { 655 if (setbirth) 656 (void) lutimes(name, ctimep); 657 (void) lutimes(name, mtimep); 658 (void) lchown(name, uid, gid); 659 (void) lchmod(name, mode); 660 if (Mtreefile) { 661 writemtree(name, "link", 662 uid, gid, mode, flags); 663 } else 664 (void) lchflags(name, flags); 665 return (GOOD); 666 } 667 return (FAIL); 668 669 case IFCHR: 670 case IFBLK: 671 vprintf(stdout, "extract special file %s\n", name); 672 if (Nflag) { 673 skipfile(); 674 return (GOOD); 675 } 676 if (uflag) 677 (void) unlink(name); 678 if (mknod(name, (mode & (IFCHR | IFBLK)) | 0600, 679 (int)curfile.rdev) < 0) { 680 fprintf(stderr, "%s: cannot create special file: %s\n", 681 name, strerror(errno)); 682 skipfile(); 683 return (FAIL); 684 } 685 skipfile(); 686 if (setbirth) 687 (void) utimes(name, ctimep); 688 (void) utimes(name, mtimep); 689 (void) chown(name, uid, gid); 690 (void) chmod(name, mode); 691 if (Mtreefile) { 692 writemtree(name, 693 ((mode & (S_IFBLK | IFCHR)) == IFBLK) ? 694 "block" : "char", 695 uid, gid, mode, flags); 696 } else 697 (void) chflags(name, flags); 698 return (GOOD); 699 700 case IFIFO: 701 vprintf(stdout, "extract fifo %s\n", name); 702 if (Nflag) { 703 skipfile(); 704 return (GOOD); 705 } 706 if (uflag) 707 (void) unlink(name); 708 if (mkfifo(name, 0600) < 0) { 709 fprintf(stderr, "%s: cannot create fifo: %s\n", 710 name, strerror(errno)); 711 skipfile(); 712 return (FAIL); 713 } 714 skipfile(); 715 if (setbirth) 716 (void) utimes(name, ctimep); 717 (void) utimes(name, mtimep); 718 (void) chown(name, uid, gid); 719 (void) chmod(name, mode); 720 if (Mtreefile) { 721 writemtree(name, "fifo", 722 uid, gid, mode, flags); 723 } else 724 (void) chflags(name, flags); 725 return (GOOD); 726 727 case IFREG: 728 vprintf(stdout, "extract file %s\n", name); 729 if (uflag) 730 (void) unlink(name); 731 if (!Nflag && (ofile = open(name, O_WRONLY | O_CREAT | O_TRUNC, 732 0600)) < 0) { 733 fprintf(stderr, "%s: cannot create file: %s\n", 734 name, strerror(errno)); 735 skipfile(); 736 return (FAIL); 737 } 738 if (Dflag) 739 (*ddesc->dd_init)(&dcontext); 740 getfile(xtrfile, xtrskip); 741 if (Dflag) { 742 (*ddesc->dd_end)(&dcontext, &dbuffer); 743 for (ep = lookupname(name); ep != NULL; 744 ep = ep->e_links) 745 fprintf(stdout, "%s (%s) = %s\n", 746 ddesc->dd_name, myname(ep), 747 (char *)&dbuffer); 748 } 749 if (Nflag) 750 return (GOOD); 751 if (setbirth) 752 (void) futimes(ofile, ctimep); 753 (void) futimes(ofile, mtimep); 754 (void) fchown(ofile, uid, gid); 755 (void) fchmod(ofile, mode); 756 if (Mtreefile) { 757 writemtree(name, "file", 758 uid, gid, mode, flags); 759 } else 760 (void) fchflags(ofile, flags); 761 (void) close(ofile); 762 return (GOOD); 763 } 764 /* NOTREACHED */ 765 } 766 767 /* 768 * skip over bit maps on the tape 769 */ 770 void 771 skipmaps(void) 772 { 773 774 while (spcl.c_type == TS_BITS || spcl.c_type == TS_CLRI) 775 skipfile(); 776 } 777 778 /* 779 * skip over a file on the tape 780 */ 781 void 782 skipfile(void) 783 { 784 785 curfile.action = SKIP; 786 getfile(xtrnull, xtrnull); 787 } 788 789 /* 790 * Extract a bitmap from the tape. 791 * The first bitmap sets maxino; 792 * other bitmaps must be of same size. 793 */ 794 void 795 getbitmap(char **map) 796 { 797 int i; 798 size_t volatile size = spcl.c_size; 799 size_t volatile mapsize = size; 800 char *mapptr; 801 802 curfile.action = USING; 803 if (spcl.c_type == TS_END) 804 panic("ran off end of tape\n"); 805 if (spcl.c_magic != FS_UFS2_MAGIC) 806 panic("not at beginning of a file\n"); 807 if (!gettingfile && setjmp(restart) != 0) 808 return; 809 gettingfile++; 810 mapptr = *map = malloc(size); 811 loop: 812 if (*map == NULL) 813 panic("no memory for %s\n", curfile.name); 814 for (i = 0; i < spcl.c_count && size >= TP_BSIZE; i++) { 815 readtape(mapptr); 816 mapptr += TP_BSIZE; 817 size -= TP_BSIZE; 818 } 819 if (size != 0 || i != spcl.c_count) 820 panic("%s: inconsistent map size\n", curfile.name); 821 if (gethead(&spcl) == GOOD && spcl.c_type == TS_ADDR) { 822 size = spcl.c_count * TP_BSIZE; 823 *map = realloc(*map, mapsize + size); 824 mapptr = *map + mapsize; 825 mapsize += size; 826 goto loop; 827 } 828 if (maxino == 0) 829 maxino = mapsize * NBBY + 1; 830 else if (maxino != mapsize * NBBY + 1) 831 panic("%s: map size changed\n", curfile.name); 832 findinode(&spcl); 833 gettingfile = 0; 834 } 835 836 /* 837 * Extract a file from the tape. 838 * When an allocated block is found it is passed to the fill function; 839 * when an unallocated block (hole) is found, a zeroed buffer is passed 840 * to the skip function. 841 */ 842 void 843 getfile(void (*fill)(char *buf, long size), 844 void (*skip)(char *buf, long size)) 845 { 846 int i; 847 int volatile curblk; 848 quad_t volatile size; 849 static char clearedbuf[MAXBSIZE]; 850 char buf[MAXBSIZE / TP_BSIZE][TP_BSIZE]; 851 char junk[TP_BSIZE]; 852 853 curblk = 0; 854 size = spcl.c_size; 855 856 if (spcl.c_type == TS_END) 857 panic("ran off end of tape\n"); 858 if (spcl.c_magic != FS_UFS2_MAGIC) 859 panic("not at beginning of a file\n"); 860 if (!gettingfile && setjmp(restart) != 0) 861 return; 862 gettingfile++; 863 loop: 864 for (i = 0; i < spcl.c_count; i++) { 865 if (spcl.c_addr[i]) { 866 readtape(&buf[curblk++][0]); 867 if (curblk == fssize / TP_BSIZE) { 868 (*fill)((char *)buf, (long)(size > TP_BSIZE ? 869 fssize : (curblk - 1) * TP_BSIZE + size)); 870 curblk = 0; 871 } 872 } else { 873 if (curblk > 0) { 874 (*fill)((char *)buf, (long)(size > TP_BSIZE ? 875 curblk * TP_BSIZE : 876 (curblk - 1) * TP_BSIZE + size)); 877 curblk = 0; 878 } 879 (*skip)(clearedbuf, (long)(size > TP_BSIZE ? 880 TP_BSIZE : size)); 881 } 882 if ((size -= TP_BSIZE) <= 0) { 883 for (i++; i < spcl.c_count; i++) 884 if (spcl.c_addr[i]) 885 readtape(junk); 886 break; 887 } 888 } 889 if (gethead(&spcl) == GOOD && size > 0) { 890 if (spcl.c_type == TS_ADDR) 891 goto loop; 892 dprintf(stdout, 893 "Missing address (header) block for %s at %d blocks\n", 894 curfile.name, blksread); 895 } 896 if (curblk > 0) 897 (*fill)((char *)buf, (long)((curblk * TP_BSIZE) + size)); 898 findinode(&spcl); 899 gettingfile = 0; 900 } 901 902 /* 903 * Write out the next block of a file. 904 */ 905 static void 906 xtrfile(char *buf, long size) 907 { 908 909 if (Dflag) 910 (*ddesc->dd_update)(&dcontext, buf, size); 911 if (Nflag) 912 return; 913 if (write(ofile, buf, (int) size) == -1) { 914 fprintf(stderr, 915 "write error extracting inode %llu, name %s\nwrite: %s\n", 916 (unsigned long long)curfile.ino, curfile.name, 917 strerror(errno)); 918 exit(1); 919 } 920 } 921 922 /* 923 * Skip over a hole in a file. 924 */ 925 /* ARGSUSED */ 926 static void 927 xtrskip(char *buf, long size) 928 { 929 930 if (Dflag) 931 (*ddesc->dd_update)(&dcontext, buf, size); 932 if (Nflag) 933 return; 934 if (lseek(ofile, size, SEEK_CUR) == -1) { 935 fprintf(stderr, 936 "seek error extracting inode %llu, name %s\nlseek: %s\n", 937 (unsigned long long)curfile.ino, curfile.name, 938 strerror(errno)); 939 exit(1); 940 } 941 } 942 943 /* 944 * Collect the next block of a symbolic link. 945 */ 946 static void 947 xtrlnkfile(char *buf, long size) 948 { 949 950 pathlen += size; 951 if (pathlen > MAXPATHLEN) { 952 fprintf(stderr, "symbolic link name: %s->%s%s; too long %d\n", 953 curfile.name, lnkbuf, buf, pathlen); 954 exit(1); 955 } 956 (void) strcat(lnkbuf, buf); 957 } 958 959 /* 960 * Skip over a hole in a symbolic link (should never happen). 961 */ 962 /* ARGSUSED */ 963 static void 964 xtrlnkskip(char *buf __unused, long size __unused) 965 { 966 967 fprintf(stderr, "unallocated block in symbolic link %s\n", 968 curfile.name); 969 exit(1); 970 } 971 972 /* 973 * Noop, when an extraction function is not needed. 974 */ 975 /* ARGSUSED */ 976 void 977 xtrnull(char *buf __unused, long size __unused) 978 { 979 980 return; 981 } 982 983 /* 984 * Read TP_BSIZE blocks from the input. 985 * Handle read errors, and end of media. 986 */ 987 static void 988 readtape(char *buf) 989 { 990 int rd, newvol, i; 991 int cnt, seek_failed; 992 993 if (blkcnt < numtrec) { 994 memmove(buf, &tapebuf[(blkcnt++ * TP_BSIZE)], (long)TP_BSIZE); 995 blksread++; 996 tpblksread++; 997 return; 998 } 999 for (i = 0; i < ntrec; i++) 1000 ((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0; 1001 if (numtrec == 0) 1002 numtrec = ntrec; 1003 cnt = ntrec * TP_BSIZE; 1004 rd = 0; 1005 getmore: 1006 #ifdef RRESTORE 1007 if (host) 1008 i = rmtread(&tapebuf[rd], cnt); 1009 else 1010 #endif 1011 i = read(mt, &tapebuf[rd], cnt); 1012 /* 1013 * Check for mid-tape short read error. 1014 * If found, skip rest of buffer and start with the next. 1015 */ 1016 if (!pipein && numtrec < ntrec && i > 0) { 1017 dprintf(stdout, "mid-media short read error.\n"); 1018 numtrec = ntrec; 1019 } 1020 /* 1021 * Handle partial block read. 1022 */ 1023 if (pipein && i == 0 && rd > 0) 1024 i = rd; 1025 else if (i > 0 && i != ntrec * TP_BSIZE) { 1026 if (pipein) { 1027 rd += i; 1028 cnt -= i; 1029 if (cnt > 0) 1030 goto getmore; 1031 i = rd; 1032 } else { 1033 /* 1034 * Short read. Process the blocks read. 1035 */ 1036 if (i % TP_BSIZE != 0) 1037 vprintf(stdout, 1038 "partial block read: %d should be %d\n", 1039 i, ntrec * TP_BSIZE); 1040 numtrec = i / TP_BSIZE; 1041 } 1042 } 1043 /* 1044 * Handle read error. 1045 */ 1046 if (i < 0) { 1047 fprintf(stderr, "Tape read error while "); 1048 switch (curfile.action) { 1049 default: 1050 fprintf(stderr, "trying to set up tape\n"); 1051 break; 1052 case UNKNOWN: 1053 fprintf(stderr, "trying to resynchronize\n"); 1054 break; 1055 case USING: 1056 fprintf(stderr, "restoring %s\n", curfile.name); 1057 break; 1058 case SKIP: 1059 fprintf(stderr, "skipping over inode %llu\n", 1060 (unsigned long long)curfile.ino); 1061 break; 1062 } 1063 if (!yflag && !reply("continue")) 1064 exit(1); 1065 i = ntrec * TP_BSIZE; 1066 memset(tapebuf, 0, i); 1067 #ifdef RRESTORE 1068 if (host) 1069 seek_failed = (rmtseek(i, 1) < 0); 1070 else 1071 #endif 1072 seek_failed = (lseek(mt, i, SEEK_CUR) == (off_t)-1); 1073 1074 if (seek_failed) { 1075 fprintf(stderr, 1076 "continuation failed: %s\n", strerror(errno)); 1077 exit(1); 1078 } 1079 } 1080 /* 1081 * Handle end of tape. 1082 */ 1083 if (i == 0) { 1084 vprintf(stdout, "End-of-tape encountered\n"); 1085 if (!pipein) { 1086 newvol = volno + 1; 1087 volno = 0; 1088 numtrec = 0; 1089 getvol(newvol); 1090 readtape(buf); 1091 return; 1092 } 1093 if (rd % TP_BSIZE != 0) 1094 panic("partial block read: %d should be %d\n", 1095 rd, ntrec * TP_BSIZE); 1096 terminateinput(); 1097 memmove(&tapebuf[rd], &endoftapemark, (long)TP_BSIZE); 1098 } 1099 blkcnt = 0; 1100 memmove(buf, &tapebuf[(blkcnt++ * TP_BSIZE)], (long)TP_BSIZE); 1101 blksread++; 1102 tpblksread++; 1103 } 1104 1105 static void 1106 findtapeblksize(void) 1107 { 1108 long i; 1109 1110 for (i = 0; i < ntrec; i++) 1111 ((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0; 1112 blkcnt = 0; 1113 #ifdef RRESTORE 1114 if (host) 1115 i = rmtread(tapebuf, ntrec * TP_BSIZE); 1116 else 1117 #endif 1118 i = read(mt, tapebuf, ntrec * TP_BSIZE); 1119 1120 if (i <= 0) { 1121 fprintf(stderr, "tape read error: %s\n", strerror(errno)); 1122 exit(1); 1123 } 1124 if (i % TP_BSIZE != 0) { 1125 fprintf(stderr, "Tape block size (%ld) %s (%ld)\n", 1126 (long)i, "is not a multiple of dump block size", 1127 (long)TP_BSIZE); 1128 exit(1); 1129 } 1130 ntrec = i / TP_BSIZE; 1131 numtrec = ntrec; 1132 vprintf(stdout, "Tape block size is %d\n", ntrec); 1133 } 1134 1135 void 1136 closemt(void) 1137 { 1138 1139 if (mt < 0) 1140 return; 1141 #ifdef RRESTORE 1142 if (host) 1143 rmtclose(); 1144 else 1145 #endif 1146 (void) close(mt); 1147 } 1148 1149 /* 1150 * Read the next block from the tape. 1151 * Check to see if it is one of several vintage headers. 1152 * If it is an old style header, convert it to a new style header. 1153 * If it is not any valid header, return an error. 1154 */ 1155 static int 1156 gethead(struct s_spcl *buf) 1157 { 1158 union u_ospcl u_ospcl; 1159 1160 if (!cvtflag) { 1161 readtape((char *)buf); 1162 if (buf->c_magic != NFS_MAGIC && 1163 buf->c_magic != FS_UFS2_MAGIC) { 1164 if (bswap32(buf->c_magic) != NFS_MAGIC && 1165 bswap32(buf->c_magic) != FS_UFS2_MAGIC) 1166 return (FAIL); 1167 if (!Bcvt) { 1168 vprintf(stdout, "Note: Doing Byte swapping\n"); 1169 Bcvt = 1; 1170 } 1171 } 1172 if (checksum((int *)buf) == FAIL) 1173 return (FAIL); 1174 if (Bcvt) 1175 swap_header(buf); 1176 goto good; 1177 } 1178 1179 readtape((char *)(&u_ospcl.s_ospcl)); 1180 if (checksum((int *)(&u_ospcl.s_ospcl)) == FAIL) 1181 return (FAIL); 1182 if (u_ospcl.s_ospcl.c_magic != OFS_MAGIC) { 1183 if (bswap32(u_ospcl.s_ospcl.c_magic) != OFS_MAGIC) 1184 return (FAIL); 1185 if (!Bcvt) { 1186 vprintf(stdout, "Note: Doing Byte swapping\n"); 1187 Bcvt = 1; 1188 } 1189 swap_old_header(&u_ospcl.s_ospcl); 1190 } 1191 1192 memset(buf, 0, (long)TP_BSIZE); 1193 buf->c_type = u_ospcl.s_ospcl.c_type; 1194 buf->c_date = u_ospcl.s_ospcl.c_date; 1195 buf->c_ddate = u_ospcl.s_ospcl.c_ddate; 1196 buf->c_volume = u_ospcl.s_ospcl.c_volume; 1197 buf->c_tapea = u_ospcl.s_ospcl.c_tapea; 1198 buf->c_inumber = u_ospcl.s_ospcl.c_inumber; 1199 buf->c_checksum = u_ospcl.s_ospcl.c_checksum; 1200 buf->c_mode = u_ospcl.s_ospcl.c_odinode.odi_mode; 1201 buf->c_uid = u_ospcl.s_ospcl.c_odinode.odi_uid; 1202 buf->c_gid = u_ospcl.s_ospcl.c_odinode.odi_gid; 1203 buf->c_size = u_ospcl.s_ospcl.c_odinode.odi_size; 1204 buf->c_rdev = u_ospcl.s_ospcl.c_odinode.odi_rdev; 1205 buf->c_atime = u_ospcl.s_ospcl.c_odinode.odi_atime; 1206 buf->c_mtime = u_ospcl.s_ospcl.c_odinode.odi_mtime; 1207 buf->c_count = u_ospcl.s_ospcl.c_count; 1208 memmove(buf->c_addr, u_ospcl.s_ospcl.c_addr, (long)256); 1209 buf->c_magic = FS_UFS2_MAGIC; 1210 good: 1211 switch (buf->c_type) { 1212 1213 case TS_CLRI: 1214 case TS_BITS: 1215 /* 1216 * Have to patch up missing information in bit map headers 1217 */ 1218 buf->c_inumber = 0; 1219 buf->c_size = buf->c_count * TP_BSIZE; 1220 break; 1221 1222 case TS_TAPE: 1223 if ((buf->c_flags & DR_NEWINODEFMT) == 0) 1224 oldinofmt = 1; 1225 /* fall through */ 1226 case TS_END: 1227 buf->c_inumber = 0; 1228 break; 1229 1230 case TS_INODE: 1231 if (buf->c_magic == NFS_MAGIC) { 1232 buf->c_tapea = buf->c_old_tapea; 1233 buf->c_firstrec = buf->c_old_firstrec; 1234 buf->c_date = buf->c_old_date; 1235 buf->c_ddate = buf->c_old_ddate; 1236 buf->c_atime = buf->c_old_atime; 1237 buf->c_mtime = buf->c_old_mtime; 1238 buf->c_birthtime = 0; 1239 buf->c_birthtimensec = 0; 1240 buf->c_atimensec = buf->c_mtimensec = 0; 1241 } 1242 1243 case TS_ADDR: 1244 break; 1245 1246 default: 1247 panic("gethead: unknown inode type %d\n", buf->c_type); 1248 break; 1249 } 1250 1251 buf->c_magic = FS_UFS2_MAGIC; 1252 1253 /* 1254 * If we are restoring a filesystem with old format inodes, 1255 * copy the uid/gid to the new location. 1256 */ 1257 if (oldinofmt) { 1258 buf->c_uid = buf->c_spare1[1]; 1259 buf->c_gid = buf->c_spare1[2]; 1260 } 1261 if (dflag) 1262 accthdr(buf); 1263 return(GOOD); 1264 } 1265 1266 /* 1267 * Check that a header is where it belongs and predict the next header 1268 */ 1269 static void 1270 accthdr(struct s_spcl *header) 1271 { 1272 static ino_t previno = 0x7fffffff; 1273 static int prevtype; 1274 static long predict; 1275 long blks, i; 1276 1277 if (header->c_type == TS_TAPE) { 1278 fprintf(stderr, "Volume header (%s inode format) ", 1279 oldinofmt ? "old" : "new"); 1280 if (header->c_firstrec) 1281 fprintf(stderr, "begins with record %lld", 1282 (long long)header->c_firstrec); 1283 fprintf(stderr, "\n"); 1284 previno = 0x7fffffff; 1285 return; 1286 } 1287 if (previno == 0x7fffffff) 1288 goto newcalc; 1289 switch (prevtype) { 1290 case TS_BITS: 1291 fprintf(stderr, "Dumped inodes map header"); 1292 break; 1293 case TS_CLRI: 1294 fprintf(stderr, "Used inodes map header"); 1295 break; 1296 case TS_INODE: 1297 fprintf(stderr, "File header, ino %llu", 1298 (unsigned long long)previno); 1299 break; 1300 case TS_ADDR: 1301 fprintf(stderr, "File continuation header, ino %llu", 1302 (unsigned long long)previno); 1303 break; 1304 case TS_END: 1305 fprintf(stderr, "End of tape header"); 1306 break; 1307 } 1308 if (predict != blksread - 1) 1309 fprintf(stderr, "; predicted %ld blocks, got %ld blocks", 1310 (long)predict, (long)(blksread - 1)); 1311 fprintf(stderr, "\n"); 1312 newcalc: 1313 blks = 0; 1314 switch (header->c_type) { 1315 case TS_END: 1316 break; 1317 case TS_CLRI: 1318 case TS_BITS: 1319 blks = header->c_count; 1320 break; 1321 default: 1322 for (i = 0; i < header->c_count; i++) 1323 if (header->c_addr[i] != 0) 1324 blks++; 1325 break; 1326 } 1327 predict = blks; 1328 blksread = 0; 1329 prevtype = header->c_type; 1330 previno = header->c_inumber; 1331 } 1332 1333 /* 1334 * Find an inode header. 1335 * Complain if had to skip, and complain is set. 1336 */ 1337 static void 1338 findinode(struct s_spcl *header) 1339 { 1340 static long skipcnt = 0; 1341 long i; 1342 char buf[TP_BSIZE]; 1343 1344 curfile.name = "<name unknown>"; 1345 curfile.action = UNKNOWN; 1346 curfile.mode = 0; 1347 curfile.ino = 0; 1348 top: 1349 do { 1350 if (header->c_magic != FS_UFS2_MAGIC) { 1351 skipcnt++; 1352 while (gethead(header) == FAIL || 1353 header->c_date != dumpdate) 1354 skipcnt++; 1355 } 1356 switch (header->c_type) { 1357 1358 case TS_ADDR: 1359 /* 1360 * Skip up to the beginning of the next record 1361 */ 1362 for (i = 0; i < header->c_count; i++) 1363 if (header->c_addr[i]) 1364 readtape(buf); 1365 while (gethead(header) == FAIL || 1366 header->c_date != dumpdate) 1367 skipcnt++; 1368 /* We've read a header; don't drop it. */ 1369 goto top; 1370 1371 case TS_INODE: 1372 curfile.mode = header->c_mode; 1373 curfile.uid = header->c_uid; 1374 curfile.gid = header->c_gid; 1375 curfile.file_flags = header->c_file_flags; 1376 curfile.rdev = header->c_rdev; 1377 curfile.atime_sec = header->c_atime; 1378 curfile.atime_nsec = header->c_atimensec; 1379 curfile.mtime_sec = header->c_mtime; 1380 curfile.mtime_nsec = header->c_mtimensec; 1381 curfile.birthtime_sec = header->c_birthtime; 1382 curfile.birthtime_nsec = header->c_birthtimensec; 1383 curfile.size = header->c_size; 1384 curfile.ino = header->c_inumber; 1385 break; 1386 1387 case TS_END: 1388 curfile.ino = maxino; 1389 break; 1390 1391 case TS_CLRI: 1392 curfile.name = "<file removal list>"; 1393 break; 1394 1395 case TS_BITS: 1396 curfile.name = "<file dump list>"; 1397 break; 1398 1399 case TS_TAPE: 1400 panic("unexpected tape header\n"); 1401 break; 1402 1403 default: 1404 panic("unknown tape header type %d\n", spcl.c_type); 1405 break; 1406 1407 } 1408 } while (header->c_type == TS_ADDR); 1409 if (skipcnt > 0) 1410 fprintf(stderr, "resync restore, skipped %ld blocks\n", 1411 (long)skipcnt); 1412 skipcnt = 0; 1413 } 1414 1415 static int 1416 checksum(int *buf) 1417 { 1418 int i, j; 1419 1420 j = sizeof(union u_spcl) / sizeof(int); 1421 i = 0; 1422 if(!Bcvt) { 1423 do 1424 i += *buf++; 1425 while (--j); 1426 } else { 1427 do 1428 i += bswap32(*buf++); 1429 while (--j); 1430 } 1431 1432 if (i != CHECKSUM) { 1433 fprintf(stderr, "Checksum error %o, inode %llu file %s\n", i, 1434 (unsigned long long)curfile.ino, curfile.name); 1435 return(FAIL); 1436 } 1437 return(GOOD); 1438 } 1439 1440 #ifdef RRESTORE 1441 #include <stdarg.h> 1442 1443 void 1444 msg(const char *fmt, ...) 1445 { 1446 va_list ap; 1447 1448 va_start(ap, fmt); 1449 (void)vfprintf(stderr, fmt, ap); 1450 va_end(ap); 1451 } 1452 #endif /* RRESTORE */ 1453 1454 static void 1455 swap_header(struct s_spcl *s) 1456 { 1457 s->c_type = bswap32(s->c_type); 1458 s->c_old_date = bswap32(s->c_old_date); 1459 s->c_old_ddate = bswap32(s->c_old_ddate); 1460 s->c_volume = bswap32(s->c_volume); 1461 s->c_old_tapea = bswap32(s->c_old_tapea); 1462 s->c_inumber = bswap32(s->c_inumber); 1463 s->c_magic = bswap32(s->c_magic); 1464 s->c_checksum = bswap32(s->c_checksum); 1465 1466 s->c_mode = bswap16(s->c_mode); 1467 s->c_size = bswap64(s->c_size); 1468 s->c_old_atime = bswap32(s->c_old_atime); 1469 s->c_atimensec = bswap32(s->c_atimensec); 1470 s->c_old_mtime = bswap32(s->c_old_mtime); 1471 s->c_mtimensec = bswap32(s->c_mtimensec); 1472 s->c_rdev = bswap32(s->c_rdev); 1473 s->c_birthtimensec = bswap32(s->c_birthtimensec); 1474 s->c_birthtime = bswap64(s->c_birthtime); 1475 s->c_atime = bswap64(s->c_atime); 1476 s->c_mtime = bswap64(s->c_mtime); 1477 s->c_file_flags = bswap32(s->c_file_flags); 1478 s->c_uid = bswap32(s->c_uid); 1479 s->c_gid = bswap32(s->c_gid); 1480 1481 s->c_count = bswap32(s->c_count); 1482 s->c_level = bswap32(s->c_level); 1483 s->c_flags = bswap32(s->c_flags); 1484 s->c_old_firstrec = bswap32(s->c_old_firstrec); 1485 1486 s->c_date = bswap64(s->c_date); 1487 s->c_ddate = bswap64(s->c_ddate); 1488 s->c_tapea = bswap64(s->c_tapea); 1489 s->c_firstrec = bswap64(s->c_firstrec); 1490 1491 /* 1492 * These are ouid and ogid. 1493 */ 1494 s->c_spare1[1] = bswap16(s->c_spare1[1]); 1495 s->c_spare1[2] = bswap16(s->c_spare1[2]); 1496 } 1497 1498 static void 1499 swap_old_header(struct s_ospcl *os) 1500 { 1501 os->c_type = bswap32(os->c_type); 1502 os->c_date = bswap32(os->c_date); 1503 os->c_ddate = bswap32(os->c_ddate); 1504 os->c_volume = bswap32(os->c_volume); 1505 os->c_tapea = bswap32(os->c_tapea); 1506 os->c_inumber = bswap16(os->c_inumber); 1507 os->c_magic = bswap32(os->c_magic); 1508 os->c_checksum = bswap32(os->c_checksum); 1509 1510 os->c_odinode.odi_mode = bswap16(os->c_odinode.odi_mode); 1511 os->c_odinode.odi_nlink = bswap16(os->c_odinode.odi_nlink); 1512 os->c_odinode.odi_uid = bswap16(os->c_odinode.odi_uid); 1513 os->c_odinode.odi_gid = bswap16(os->c_odinode.odi_gid); 1514 1515 os->c_odinode.odi_size = bswap32(os->c_odinode.odi_size); 1516 os->c_odinode.odi_rdev = bswap32(os->c_odinode.odi_rdev); 1517 os->c_odinode.odi_atime = bswap32(os->c_odinode.odi_atime); 1518 os->c_odinode.odi_mtime = bswap32(os->c_odinode.odi_mtime); 1519 os->c_odinode.odi_ctime = bswap32(os->c_odinode.odi_ctime); 1520 1521 os->c_count = bswap32(os->c_count); 1522 } 1523