]>
git.wh0rd.org - dump.git/blob - restore/tape.c
2 * Ported to Linux's Second Extended File System as part of the
3 * dump and restore backup suit
4 * Remy Card <card@Linux.EU.Org>, 1994-1997
5 * Stelian Pop <stelian@popies.net>, 1999-2000
6 * Stelian Pop <stelian@popies.net> - AlcĂ´ve <www.alcove.com>, 2000-2002
10 * Copyright (c) 1983, 1993
11 * The Regents of the University of California. All rights reserved.
12 * (c) UNIX System Laboratories, Inc.
13 * All or some portions of this file are derived from material licensed
14 * to the University of California by American Telephone and Telegraph
15 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
16 * the permission of UNIX System Laboratories, Inc.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
26 * 3. Neither the name of the University nor the names of its contributors
27 * may be used to endorse or promote products derived from this software
28 * without specific prior written permission.
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 static const char rcsid
[] =
45 "$Id: tape.c,v 1.98 2010/06/11 09:57:31 stelian Exp $";
49 #include <compatlfs.h>
50 #include <sys/types.h>
52 #include <compaterr.h>
60 #include <sys/param.h>
64 #include <sys/socket.h>
70 #ifdef HAVE_EXT2FS_EXT2_FS_H
71 #include <ext2fs/ext2_fs.h>
73 #include <linux/ext2_fs.h>
75 #include <ext2fs/ext2fs.h>
76 #include <bsdcompat.h>
79 #define quad_t int64_t
81 #include <sys/fcntl.h>
82 #include <bsdcompat.h>
84 #include <ufs/ufs/dinode.h>
86 #endif /* __linux__ */
90 #include <protocols/dumprestore.h>
94 #endif /* HAVE_ZLIB */
98 #endif /* HAVE_BZLIB */
102 #endif /* HAVE_LZO */
106 #include "pathnames.h"
109 int noresyncmesg
= 0;
111 static long fssize
= MAXBSIZE
;
114 static int magtapein
= 0; /* input is from magtape */
115 static char magtape
[MAXPATHLEN
];
116 static char magtapeprefix
[MAXPATHLEN
];
119 static char *tapebuf
; /* input buffer for read */
120 static int bufsize
; /* buffer size without prefix */
121 static char *tbufptr
= NULL
; /* active tape buffer */
122 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
123 static char *comprbuf
; /* uncompress work buf */
124 static size_t comprlen
; /* size including prefix */
126 static union u_spcl endoftapemark
;
127 static long blksread
; /* blocks read since last header */
128 static long tpblksread
= 0; /* TP_BSIZE blocks read */
129 static long tapesread
;
130 static sigjmp_buf restart
;
131 static int gettingfile
= 0; /* restart has a valid frame */
136 static char lnkbuf
[MAXPATHLEN
+ 1];
139 int oldinofmt
; /* old inode format conversion required */
140 int Bcvt
; /* Swap Bytes (for CCI or sun) */
141 static int Qcvt
; /* Swap quads (for sun) */
143 #define FLUSHTAPEBUF() blkcnt = ntrec + 1
145 static void accthdr
__P((struct s_spcl
*));
146 static int checksum
__P((int *));
147 static void findinode
__P((struct s_spcl
*));
148 static void findtapeblksize
__P((void));
149 static int gethead
__P((struct s_spcl
*));
150 static int converthead
__P((struct s_spcl
*));
151 static void converttapebuf
__P((struct tapebuf
*));
152 static void readtape
__P((char *));
153 static void setdumpnum
__P((void));
155 static void xtrfilefinderinfo
__P((char *, size_t));
158 static u_int swabi
__P((u_int
));
160 static u_long swabl
__P((u_long
));
162 static u_char
*swab64
__P((u_char
*, int));
163 static u_char
*swab32
__P((u_char
*, int));
164 static u_char
*swab16
__P((u_char
*, int));
165 static void terminateinput
__P((void));
166 static void xtrfile
__P((char *, size_t));
167 static void xtrlnkfile
__P((char *, size_t));
168 static void xtrlnkskip
__P((char *, size_t));
169 static void xtrmap
__P((char *, size_t));
170 static void xtrmapskip
__P((char *, size_t));
171 static void xtrskip
__P((char *, size_t));
172 static void xtrxattr
__P((char *, size_t));
173 static void setmagtapein
__P((void));
174 static int extractattr
__P((char *));
175 static void compareattr
__P((char *));
177 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
178 static void newcomprbuf
__P((int));
179 static void (*readtape_func
) __P((char *));
180 static void readtape_set
__P((char *));
181 static void readtape_uncompr
__P((char *));
182 static void readtape_comprfile
__P((char *));
183 static void readtape_comprtape
__P((char *));
184 static char *decompress_tapebuf
__P((struct tapebuf
*, int));
185 static void msg_read_error
__P((char *));
187 static int read_a_block
__P((int, char *, size_t, long *));
188 #define PREFIXSIZE sizeof(struct tapebuf)
190 #define COMPARE_ONTHEFLY 1
193 static int ifile
; /* input file for compare */
194 static int cmperror
; /* compare error */
195 static void xtrcmpfile
__P((char *, size_t));
196 static void xtrcmpskip
__P((char *, size_t));
199 static int readmapflag
;
200 static int readingmaps
; /* set to 1 while reading the maps */
202 static char xattrbuf
[XATTR_MAXSIZE
];
206 static DumpFinderInfo gFndrInfo
;
210 * Set up an input source. This is called from main.c before setup() is.
213 setinput(char *source
)
222 newtapebuf(NTREC
> HIGHDENSITYTREC
? NTREC
: HIGHDENSITYTREC
);
226 if ((n
= strchr(source
, ':'))) {
227 for (i
= 0; i
< (n
- source
); i
++) {
228 if (source
[i
] == '/')
231 if (source
[i
] != '/') {
233 source
= strchr(host
, ':');
235 if (rmthost(host
) == 0)
240 if (strcmp(source
, "-") == 0) {
242 * Since input is coming from a pipe we must establish
243 * our own connection to the terminal.
245 terminal
= fopen(_PATH_TTY
, "r");
246 if (terminal
== NULL
) {
247 warn("cannot open %s", _PATH_TTY
);
248 terminal
= fopen(_PATH_DEVNULL
, "r");
249 if (terminal
== NULL
)
250 err(1, "cannot open %s", _PATH_DEVNULL
);
254 setuid(getuid()); /* no longer need or want root privileges */
256 strncpy(magtapeprefix
, source
, MAXPATHLEN
);
257 magtapeprefix
[MAXPATHLEN
-1] = '\0';
258 snprintf(magtape
, MAXPATHLEN
, "%s%03d", source
, 1);
261 strncpy(magtape
, source
, MAXPATHLEN
);
262 magtape
[MAXPATHLEN
- 1] = '\0';
266 newtapebuf(long size
)
268 static int tapebufsize
= -1;
271 bufsize
= ntrec
* TP_BSIZE
;
272 if (size
<= tapebufsize
)
276 tapebuf
= malloc(size
* TP_BSIZE
+ sizeof(struct tapebuf
));
278 errx(1, "Cannot allocate space for tape buffer");
282 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
284 newcomprbuf(int size
)
286 size_t buf_size
= (size
+1) * TP_BSIZE
+ sizeof(struct tapebuf
);
287 if (buf_size
<= comprlen
)
290 if (comprbuf
!= NULL
)
292 comprbuf
= malloc(comprlen
);
293 if (comprbuf
== NULL
)
294 errx(1, "Cannot allocate space for decompress buffer");
296 #endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
299 * Verify that the tape drive can be accessed and
300 * that it actually is a dump tape.
305 int i
, j
, *ip
, bot_code
;
309 Vprintf(stdout
, "Verify tape and initialize maps\n");
310 if (Afile
== NULL
&& bot_script
) {
311 msg("Launching %s\n", bot_script
);
312 bot_code
= system_command(bot_script
, magtape
, 1);
313 if (bot_code
!= 0 && bot_code
!= 1) {
314 msg("Restore aborted by the beginning of tape script\n");
326 mt
= rmtopen(temptape
, O_RDONLY
);
332 mt
= OPEN(temptape
, O_RDONLY
, 0);
334 err(1, "%s", temptape
);
340 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
341 readtape_func
= readtape_set
;
342 #if defined(HAVE_LZO)
343 if (lzo_init() != LZO_E_OK
) {
344 msg("internal error - lzo_init failed \n");
352 if (gethead(&spcl
) == FAIL
) {
353 blkcnt
--; /* push back this block */
357 if (gethead(&spcl
) == FAIL
)
358 errx(1, "Tape is not a dump tape");
359 fprintf(stderr
, "Converting to new file system format.\n");
363 fprintf(stderr
, "Dump tape is compressed.\n");
364 #if !defined(HAVE_ZLIB) && !defined(HAVE_BZLIB) && !defined(HAVE_LZO)
365 errx(1,"This restore version doesn't support decompression");
366 #endif /* !HAVE_ZLIB && !HAVE_BZLIB */
369 endoftapemark
.s_spcl
.c_magic
= cvtflag
? OFS_MAGIC
: NFS_MAGIC
;
370 endoftapemark
.s_spcl
.c_type
= TS_END
;
371 ip
= (int *)&endoftapemark
;
372 j
= sizeof(union u_spcl
) / sizeof(int);
377 endoftapemark
.s_spcl
.c_checksum
= CHECKSUM
- i
;
379 if (vflag
|| command
== 't' || command
== 'C')
382 if (tapeposflag
&& (unsigned long)spcl
.c_date
!= qfadumpdate
)
383 errx(1, "different QFA/dumpdates detected\n");
385 if (filesys
[0] == '\0') {
387 strncpy(filesys
, spcl
.c_filesys
, NAMELEN
);
388 filesys
[NAMELEN
- 1] = '\0';
389 dirptr
= strstr(filesys
, " (dir");
393 dumptime
= spcl
.c_ddate
;
394 dumpdate
= spcl
.c_date
;
395 if (STAT(".", &stbuf
) < 0)
396 err(1, "cannot stat .");
397 if (stbuf
.st_blksize
> 0 && stbuf
.st_blksize
< TP_BSIZE
)
399 if (stbuf
.st_blksize
>= TP_BSIZE
&& stbuf
.st_blksize
<= MAXBSIZE
)
400 fssize
= stbuf
.st_blksize
;
401 if (((fssize
- 1) & fssize
) != 0)
402 errx(1, "bad block size %ld", fssize
);
403 if (spcl
.c_volume
!= 1)
404 errx(1, "Tape is not volume 1 of the dump");
405 if (gethead(&spcl
) == FAIL
) {
406 Dprintf(stdout
, "header read failed at %ld blocks\n", (long)blksread
);
407 panic("no header after volume mark!\n");
411 if (spcl
.c_type
!= TS_CLRI
)
412 errx(1, "Cannot find file removal list");
413 maxino
= (spcl
.c_count
* TP_BSIZE
* NBBY
) + 1;
414 map
= calloc((unsigned)1, (unsigned)howmany(maxino
, NBBY
));
416 errx(1, "no memory for active inode map");
418 curfile
.action
= USING
;
419 getfile(xtrmap
, xtrmapskip
);
420 while (spcl
.c_type
== TS_ADDR
) {
421 /* Recompute maxino and the map */
422 dump_ino_t oldmaxino
= maxino
;
423 maxino
+= (spcl
.c_count
* TP_BSIZE
* NBBY
) + 1;
424 resizemaps(oldmaxino
, maxino
);
427 spcl
.c_dinode
.di_size
= spcl
.c_count
* TP_BSIZE
;
428 getfile(xtrmap
, xtrmapskip
);
430 Dprintf(stdout
, "maxino = %lu\n", (unsigned long)maxino
);
431 if (spcl
.c_type
!= TS_BITS
) {
432 if (spcl
.c_type
== TS_END
) {
433 msg("Cannot find file dump list, assuming empty tape\n");
436 errx(1, "Cannot find file dump list");
438 map
= calloc((unsigned)1, (unsigned)howmany(maxino
, NBBY
));
439 if (map
== (char *)NULL
)
440 errx(1, "no memory for file dump list");
442 curfile
.action
= USING
;
443 getfile(xtrmap
, xtrmapskip
);
444 while (spcl
.c_type
== TS_ADDR
) {
445 spcl
.c_dinode
.di_size
= spcl
.c_count
* TP_BSIZE
;
446 getfile(xtrmap
, xtrmapskip
);
449 * If there may be whiteout entries on the tape, pretend that the
450 * whiteout inode exists, so that the whiteout entries can be
454 SETINO(WINO
, dumpmap
);
460 * Prompt user to load a new dump volume.
461 * "Nextvol" is the next suggested volume to use.
462 * This suggested volume is enforced when doing full
463 * or incremental restores, but can be overridden by
464 * the user when only extracting a subset of the files.
469 long newvol
= 0, wantnext
= 0, i
;
470 long saved_blksread
= 0, saved_tpblksread
= 0;
471 union u_spcl tmpspcl
;
472 # define tmpbuf tmpspcl.s_spcl
474 int haderror
= 0, bot_code
= 1;
483 panic("Changing volumes on pipe input?\n");
488 saved_blksread
= blksread
;
489 saved_tpblksread
= tpblksread
;
490 #if defined(USE_QFA) && defined(sunos)
491 if (createtapeposflag
|| tapeposflag
)
496 exit(1); /* pipes do not get a second chance */
497 if (aflag
|| curfile
.action
!= SKIP
) {
504 while (newvol
<= 0) {
505 if (tapesread
== 0) {
506 fprintf(stderr
, "%s%s%s%s%s",
507 "You have not read any volumes yet.\n",
508 "Unless you know which volume your",
509 " file(s) are on you should start\n",
510 "with the last volume and work",
511 " towards the first.\n");
513 fprintf(stderr
, "You have read volumes");
515 for (i
= 1; i
< 32; i
++)
516 if (tapesread
& (1 << i
)) {
517 fprintf(stderr
, "%s%ld", buf
, (long)i
);
520 fprintf(stderr
, "\n");
523 fprintf(stderr
, "Specify next volume # (none if no more volumes): ");
524 (void) fflush(stderr
);
525 (void) fgets(buf
, TP_BSIZE
, terminal
);
526 } while (!feof(terminal
) && buf
[0] == '\n');
529 if (!strcmp(buf
, "none\n")) {
536 "Volume numbers are positive numerics\n");
539 if (newvol
== volno
) {
540 tapesread
|= 1 << volno
;
541 #if defined(USE_QFA) && defined(sunos)
542 if (createtapeposflag
|| tapeposflag
) {
543 if (OpenSMTCmt(magtape
) < 0) {
555 * if using an archive file, reset its name so readtape()
556 * could properly use remote access.
561 snprintf(magtape
, MAXPATHLEN
, "%s%03ld", magtapeprefix
, newvol
);
562 magtape
[MAXPATHLEN
- 1] = '\0';
564 if (bot_script
&& !haderror
) {
565 msg("Launching %s\n", bot_script
);
566 bot_code
= system_command(bot_script
, magtape
, newvol
);
567 if (bot_code
!= 0 && bot_code
!= 1) {
568 msg("Restore aborted by the beginning of tape script\n");
572 if (haderror
|| (bot_code
&& !Mflag
)) {
575 fprintf(stderr
, "%d compare errors so far\n", compare_errors
);
577 fprintf(stderr
, "Mount volume %ld\n", (long)newvol
);
579 fprintf(stderr
, "Mount tape volume %ld\n", (long)newvol
);
581 fprintf(stderr
, "Enter ``none'' if there are no more tapes\n");
583 fprintf(stderr
, "then enter volume name (default: %s) ", magtape
);
585 fprintf(stderr
, "otherwise enter tape name (default: %s) ", magtape
);
587 (void) fflush(stderr
);
588 (void) fgets(buf
, TP_BSIZE
, terminal
);
591 if (!strcmp(buf
, "none\n")) {
595 if (buf
[0] != '\n') {
597 (void) strncpy(magtape
, buf
, sizeof(magtape
));
598 magtape
[sizeof(magtape
) - 1] = '\0';
599 if ((pos
= strchr(magtape
, '\n')))
600 magtape
[pos
- magtape
] = '\0';
603 #if defined(USE_QFA) && defined(sunos)
604 if (createtapeposflag
|| tapeposflag
) {
605 if (OpenSMTCmt(magtape
) < 0) {
614 mt
= rmtopen(magtape
, O_RDONLY
);
617 mt
= OPEN(magtape
, O_RDONLY
, 0);
620 fprintf(stderr
, "Cannot open %s\n", magtape
);
627 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
628 readtape_func
= readtape_set
;
634 if (gethead(&tmpbuf
) == FAIL
) {
635 Dprintf(stdout
, "header read failed at %ld blocks\n", (long)blksread
);
636 fprintf(stderr
, "tape is not dump tape\n");
639 blksread
= saved_blksread
;
640 tpblksread
= saved_tpblksread
;
643 if (tmpbuf
.c_volume
!= volno
) {
644 fprintf(stderr
, "Wrong volume (%d)\n", tmpbuf
.c_volume
);
647 blksread
= saved_blksread
;
648 tpblksread
= saved_tpblksread
;
651 if (tmpbuf
.c_date
!= dumpdate
|| tmpbuf
.c_ddate
!= dumptime
) {
652 fprintf(stderr
, "Wrong dump date\n\tgot: %s",
654 ctime(&tmpbuf
.c_date
));
656 ctime4(&tmpbuf
.c_date
));
658 fprintf(stderr
, "\twanted: %s", ctime(&dumpdate
));
661 blksread
= saved_blksread
;
662 tpblksread
= saved_tpblksread
;
665 tapesread
|= 1 << volno
;
667 * If continuing from the previous volume, skip over any
668 * blocks read already at the end of the previous volume.
670 * If coming to this volume at random, skip to the beginning
671 * of the next record.
674 fprintf(stderr
, "Dump tape is compressed.\n");
675 #if !defined(HAVE_ZLIB) && !defined(HAVE_BZLIB) && !defined(HAVE_LZO)
676 errx(1,"This restore version doesn't support decompression");
677 #endif /* !HAVE_ZLIB && !HAVE_BZLIB */
679 Dprintf(stdout
, "read %ld recs, tape starts with %ld\n",
680 tpblksread
- 1, (long)tmpbuf
.c_firstrec
);
681 if (tmpbuf
.c_type
== TS_TAPE
&& (tmpbuf
.c_flags
& DR_NEWHEADER
)) {
683 tpblksread
= tmpbuf
.c_firstrec
+ 1;
684 for (i
= tmpbuf
.c_count
; i
> 0; i
--)
686 } else if (tmpbuf
.c_firstrec
> 0 &&
687 tmpbuf
.c_firstrec
< tpblksread
- 1) {
689 * -1 since we've read the volume header
691 i
= tpblksread
- tmpbuf
.c_firstrec
- 1;
692 Dprintf(stderr
, "Skipping %ld duplicate record%s.\n",
693 (long)i
, i
> 1 ? "s" : "");
698 if (curfile
.action
== USING
) {
700 panic("active file into volume 1\n");
704 * Skip up to the beginning of the next record
706 if (tmpbuf
.c_type
== TS_TAPE
&& (tmpbuf
.c_flags
& DR_NEWHEADER
))
707 for (i
= tmpbuf
.c_count
; i
> 0; i
--)
709 (void) gethead(&spcl
);
713 siglongjmp(restart
, 1);
718 * Handle unexpected EOF.
724 if (gettingfile
&& curfile
.action
== USING
) {
725 printf("Warning: %s %s\n",
726 "End-of-input encountered while extracting", curfile
.name
);
728 curfile
.name
= "<name unknown>";
729 curfile
.action
= UNKNOWN
;
731 curfile
.ino
= maxino
;
734 siglongjmp(restart
, 1);
739 * handle multiple dumps per tape by skipping forward to the
747 if (dumpnum
== 1 || volno
!= 1)
750 errx(1, "Cannot have multiple dumps on pipe input");
752 tcom
.mt_count
= dumpnum
- 1;
755 if (rmtioctl(MTFSF
, dumpnum
- 1) < 0) {
756 fprintf(stderr
, "rmtioctl MTFSF: %s\n", strerror(errno
));
761 if (ioctl(mt
, (int)MTIOCTOP
, (char *)&tcom
) < 0) {
762 fprintf(stderr
, "rmtioctl MTFSF: %s\n", strerror(errno
));
764 /* warn("ioctl MTFSF"); */
772 Vprintf(stdout
, "Dump date: %s", ctime(&spcl
.c_date
));
773 Vprintf(stdout
, "Dumped from: %s",
774 (spcl
.c_ddate
== 0) ? "the epoch\n" : ctime(&spcl
.c_ddate
));
775 if (spcl
.c_host
[0] == '\0')
777 Vprintf(stdout
, "Level %d dump of %s on %s:%s\n",
778 spcl
.c_level
, spcl
.c_filesys
, spcl
.c_host
, spcl
.c_dev
);
779 Vprintf(stdout
, "Label: %s\n", spcl
.c_label
);
781 fprintf(stdout
, "Dump date: %s", ctime4(&spcl
.c_date
));
782 fprintf(stdout
, "Dumped from: %s",
783 (spcl
.c_ddate
== 0) ? "the epoch\n" : ctime4(&spcl
.c_ddate
));
784 if (spcl
.c_host
[0] == '\0')
786 fprintf(stdout
, "Level %d dump of %s on %s:%s\n",
787 spcl
.c_level
, spcl
.c_filesys
, spcl
.c_host
, spcl
.c_dev
);
788 fprintf(stdout
, "Label: %s\n", spcl
.c_label
);
797 if (volinfo
[1] == ROOTINO
) {
798 printf("Starting inode numbers by volume:\n");
799 for (i
= 1; i
< (int)TP_NINOS
&& volinfo
[i
] != 0; ++i
)
800 printf("\tVolume %d: %lu\n", i
, (unsigned long)volinfo
[i
]);
806 extractfile(struct entry
*ep
, int doremove
)
810 struct timeval timep
[2];
811 char *name
= myname(ep
);
813 /* If removal is requested (-r mode) do remove it unless
814 * we are extracting a metadata only inode */
815 if (spcl
.c_flags
& DR_METAONLY
) {
816 Vprintf(stdout
, "file %s is metadata only\n", name
);
821 ep
->e_flags
&= ~REMOVED
;
826 curfile
.action
= USING
;
827 #if defined(__linux__) || defined(sunos)
828 timep
[0].tv_sec
= curfile
.dip
->di_atime
.tv_sec
;
829 timep
[0].tv_usec
= curfile
.dip
->di_atime
.tv_usec
;
830 timep
[1].tv_sec
= curfile
.dip
->di_mtime
.tv_sec
;
831 timep
[1].tv_usec
= curfile
.dip
->di_mtime
.tv_usec
;
832 #else /* __linux__ || sunos */
833 timep
[0].tv_sec
= curfile
.dip
->di_atime
;
834 timep
[0].tv_usec
= curfile
.dip
->di_atimensec
/ 1000;
835 timep
[1].tv_sec
= curfile
.dip
->di_mtime
;
836 timep
[1].tv_usec
= curfile
.dip
->di_mtimensec
/ 1000;
837 #endif /* __linux__ */
838 mode
= curfile
.dip
->di_mode
;
839 flags
= curfile
.dip
->di_flags
;
840 switch (mode
& IFMT
) {
843 fprintf(stderr
, "%s: unknown file mode 0%o\n", name
, mode
);
849 uid_t luid
= curfile
.dip
->di_uid
;
850 gid_t lgid
= curfile
.dip
->di_gid
;
852 Vprintf(stdout
, "extract socket %s\n", name
);
856 if (! (spcl
.c_flags
& DR_METAONLY
)) {
858 struct sockaddr_un addr
;
863 if ((sk
= socket(AF_UNIX
, SOCK_DGRAM
, 0)) < 0) {
864 warn("%s: cannot create socket", name
);
867 addr
.sun_family
= AF_UNIX
;
868 strcpy(addr
.sun_path
, name
);
869 if (bind(sk
, (const struct sockaddr
*)&addr
, sizeof(struct sockaddr_un
)) < 0) {
870 warn("%s: cannot create socket", name
);
875 (void) chown(name
, luid
, lgid
);
876 (void) chmod(name
, mode
);
881 (void) lsetflags(name
, flags
);
885 warn("%s: cannot call chflags", name
);
886 /* (void) chflags(name, flags); */
889 (void) chflags(name
, flags
);
899 if (ep
== NULL
|| ep
->e_flags
& EXTRACT
)
900 panic("unextracted directory %s\n", name
);
904 Vprintf(stdout
, "extract dir %s\n", name
);
905 ret
= genliteraldir(name
, curfile
.ino
);
913 uid_t luid
= curfile
.dip
->di_uid
;
914 gid_t lgid
= curfile
.dip
->di_gid
;
916 if (! (spcl
.c_flags
& DR_METAONLY
)) {
919 getfile(xtrlnkfile
, xtrlnkskip
);
922 "%s: zero length symbolic link (ignored)\n", name
);
925 if (linkit(lnkbuf
, name
, SYMLINK
) == FAIL
)
932 (void) lchown(name
, luid
, lgid
);
940 uid_t luid
= curfile
.dip
->di_uid
;
941 gid_t lgid
= curfile
.dip
->di_gid
;
943 Vprintf(stdout
, "extract fifo %s\n", name
);
947 if (! (spcl
.c_flags
& DR_METAONLY
)) {
950 if (mkfifo(name
, mode
) < 0) {
951 warn("%s: cannot create fifo", name
);
955 (void) chown(name
, luid
, lgid
);
956 (void) chmod(name
, mode
);
961 (void) lsetflags(name
, flags
);
965 warn("%s: cannot call chflags", name
);
966 /* (void) chflags(name, flags); */
969 (void) chflags(name
, flags
);
977 uid_t luid
= curfile
.dip
->di_uid
;
978 gid_t lgid
= curfile
.dip
->di_gid
;
979 int lrdev
= (int)curfile
.dip
->di_rdev
;
981 Vprintf(stdout
, "extract special file %s\n", name
);
985 if (! (spcl
.c_flags
& DR_METAONLY
)) {
988 if (mknod(name
, mode
, lrdev
) < 0) {
989 warn("%s: cannot create special file", name
);
993 (void) chown(name
, luid
, lgid
);
994 (void) chmod(name
, mode
);
1000 warn("%s: lsetflags called on a special file", name
);
1001 (void) lsetflags(name
, flags
);
1006 warn("%s: cannot call chflags on a special file", name
);
1007 /* (void) chflags(name, flags); */
1011 warn("%s: chflags called on a special file", name
);
1012 (void) chflags(name
, flags
);
1020 uid_t luid
= curfile
.dip
->di_uid
;
1021 gid_t lgid
= curfile
.dip
->di_gid
;
1023 Vprintf(stdout
, "extract file %s\n", name
);
1028 if (! (spcl
.c_flags
& DR_METAONLY
)) {
1031 if ((ofile
= OPEN(name
, O_WRONLY
| O_CREAT
| O_TRUNC
,
1033 warn("%s: cannot create file", name
);
1037 getfile(xtrfile
, xtrskip
);
1038 (void) close(ofile
);
1042 (void) chown(name
, luid
, lgid
);
1043 (void) chmod(name
, mode
);
1045 utimes(name
, timep
);
1048 (void) lsetflags(name
, flags
);
1052 warn("%s: cannot call chflags", name
);
1053 /* (void) chflags(name, flags); */
1056 (void) chflags(name
, flags
);
1066 extractattr(char *path
)
1068 while (spcl
.c_flags
& DR_EXTATTRIBUTES
) {
1069 switch (spcl
.c_extattributes
) {
1070 case EXT_MACOSFNDRINFO
:
1072 (void)extractfinderinfoufs(path
);
1074 msg("MacOSX not supported in this version, skipping\n");
1078 case EXT_MACOSRESFORK
:
1080 (void)extractresourceufs(path
);
1082 msg("MacOSX not supported in this version, skipping\n");
1087 char xattr
[XATTR_MAXSIZE
];
1089 if (readxattr(xattr
) == GOOD
) {
1090 xattr_extract(path
, xattr
);
1095 msg("unexpected inode extension %ld, skipping\n", spcl
.c_extattributes
);
1105 extractfinderinfoufs(char *name
)
1108 char oFileRsrc
[MAXPATHLEN
];
1111 struct timeval timep
[2];
1114 char path
[MAXPATHLEN
], fname
[MAXPATHLEN
];
1116 curfile
.name
= name
;
1117 curfile
.action
= USING
;
1118 timep
[0].tv_sec
= curfile
.dip
->di_atime
.tv_sec
;
1119 timep
[0].tv_usec
= curfile
.dip
->di_atime
.tv_usec
;
1120 timep
[1].tv_sec
= curfile
.dip
->di_mtime
.tv_sec
;
1121 timep
[1].tv_usec
= curfile
.dip
->di_mtime
.tv_usec
;
1122 mode
= curfile
.dip
->di_mode
;
1123 flags
= curfile
.dip
->di_flags
;
1124 uid
= curfile
.dip
->di_uid
;
1125 gid
= curfile
.dip
->di_gid
;
1127 switch (mode
& IFMT
) {
1130 fprintf(stderr
, "%s: (extr. finfoufs) unknown file mode 0%o\n", name
, mode
);
1135 fprintf(stderr
, "%s: (extr. finfoufs[IFDIR]) unknown file mode 0%o\n", name
, mode
);
1144 Vprintf(stdout
, "extract finderinfo file %s\n", name
);
1149 getfile(xtrfilefinderinfo
, xtrskip
);
1151 GetPathFile(name
, path
, fname
);
1152 strcpy(oFileRsrc
, path
);
1153 strcat(oFileRsrc
, "._");
1154 strcat(oFileRsrc
, fname
);
1156 if ((err
= CreateAppleDoubleFileRes(oFileRsrc
, &gFndrInfo
.fndrinfo
,
1157 mode
, flags
, timep
, uid
, gid
)) != 0) {
1158 fprintf(stderr
, "%s: cannot create finderinfo: %s\n",
1159 name
, strerror(errno
));
1170 extractresourceufs(char *name
)
1172 char oFileRsrc
[MAXPATHLEN
];
1175 struct timeval timep
[2];
1176 char path
[MAXPATHLEN
], fname
[MAXPATHLEN
];
1186 curfile
.name
= name
;
1187 curfile
.action
= USING
;
1188 timep
[0].tv_sec
= curfile
.dip
->di_atime
.tv_sec
;
1189 timep
[0].tv_usec
= curfile
.dip
->di_atime
.tv_usec
;
1190 timep
[1].tv_sec
= curfile
.dip
->di_mtime
.tv_sec
;
1191 timep
[1].tv_usec
= curfile
.dip
->di_mtime
.tv_usec
;
1192 mode
= curfile
.dip
->di_mode
;
1193 flags
= curfile
.dip
->di_flags
;
1194 uid
= curfile
.dip
->di_uid
;
1195 gid
= curfile
.dip
->di_gid
;
1196 di_size
= curfile
.dip
->di_size
;
1198 switch (mode
& IFMT
) {
1201 fprintf(stderr
, "%s: (extr. resufs) unknown file mode 0%o\n", name
, mode
);
1206 fprintf(stderr
, "%s: (extr. resufs [IFDIR]) unknown file mode 0%o\n", name
, mode
);
1215 Vprintf(stdout
, "extract resource file %s\n", name
);
1221 GetPathFile(name
, path
, fname
);
1222 strcpy(oFileRsrc
, path
);
1223 strcat(oFileRsrc
, "._");
1224 strcat(oFileRsrc
, fname
);
1226 if ((ofile
= open(oFileRsrc
, O_RDONLY
, 0)) < 0) {
1227 fprintf(stderr
, "%s: cannot read finderinfo: %s\n",
1228 name
, strerror(errno
));
1232 read(ofile
, buf
, 70);
1233 (void) close(ofile
);
1235 hp
= (ASDHeaderPtr
)p
;
1238 p
+= sizeof(ASDHeader
) - CORRECT
;
1239 ep
= (ASDEntryPtr
)p
;
1240 /* the finderinfo entry */
1241 ep
->offset
+= sizeof(ASDEntry
);
1244 p
+= sizeof(ASDEntry
);
1245 /* the finderinfo data */
1246 bcopy(p
, p
+ sizeof(ASDEntry
), INFOLEN
);
1247 ep
= (ASDEntryPtr
)p
;
1248 /* the new resourcefork entry */
1249 ep
->entryID
= EntryRSRCFork
;
1250 ep
->offset
= loff
+ INFOLEN
;
1252 /* write the new appledouble entries to the file */
1253 if ((ofile
= open(oFileRsrc
, O_WRONLY
| O_CREAT
| O_TRUNC
, 0666)) < 0) {
1254 fprintf(stderr
, "%s: cannot create resource file: %s\n",
1255 name
, strerror(errno
));
1259 write(ofile
, buf
, 70 + sizeof(ASDEntry
));
1260 /* and add the resource data from tape */
1261 getfile(xtrfile
, xtrskip
);
1263 (void) fchown(ofile
, uid
, gid
);
1264 (void) fchmod(ofile
, mode
);
1265 (void) close(ofile
);
1266 utimes(oFileRsrc
, timep
);
1267 (void) lsetflags(oFileRsrc
, flags
);
1272 #endif /* DUMP_MACOSX */
1275 readxattr(char *buffer
)
1278 msg("reading EA data for inode %lu\n", curfile
.ino
);
1280 curfile
.name
= "EA block";
1281 if (curfile
.dip
->di_size
> XATTR_MAXSIZE
) {
1282 fprintf(stderr
, "EA size too big (%ld)", (long)curfile
.dip
->di_size
);
1287 memset(xattrbuf
, 0, XATTR_MAXSIZE
);
1291 * ugly hack: cope with invalid spcl.c_addr[] records written by
1292 * old versions of dump.
1296 getfile(xtrxattr
, xtrnull
);
1300 memcpy(buffer
, xattrbuf
, XATTR_MAXSIZE
);
1306 * skip over bit maps on the tape
1312 while (spcl
.c_type
== TS_BITS
|| spcl
.c_type
== TS_CLRI
)
1317 * skip over a file on the tape
1323 curfile
.action
= SKIP
;
1324 getfile(xtrnull
, xtrnull
);
1328 * skip over any extended attributes.
1334 while (spcl
.c_flags
& DR_EXTATTRIBUTES
)
1339 * Extract a file from the tape.
1340 * When an allocated block is found it is passed to the fill function;
1341 * when an unallocated block (hole) is found, a zeroed buffer is passed
1342 * to the skip function.
1345 getfile(void (*fill
) __P((char *, size_t)), void (*skip
) __P((char *, size_t)))
1348 volatile int curblk
= 0;
1349 volatile quad_t size
= spcl
.c_dinode
.di_size
;
1350 volatile int last_write_was_hole
= 0;
1351 quad_t origsize
= size
;
1352 static char clearedbuf
[MAXBSIZE
];
1353 char buf
[MAXBSIZE
/ TP_BSIZE
][TP_BSIZE
];
1354 char junk
[TP_BSIZE
];
1356 if (spcl
.c_type
== TS_END
)
1357 panic("ran off end of tape\n");
1358 if (spcl
.c_magic
!= NFS_MAGIC
)
1359 panic("not at beginning of a file\n");
1360 if (!gettingfile
&& setjmp(restart
) != 0)
1364 for (i
= 0; i
< spcl
.c_count
; i
++) {
1365 if (readmapflag
|| spcl
.c_addr
[i
]) {
1366 readtape(&buf
[curblk
++][0]);
1367 if (curblk
== fssize
/ TP_BSIZE
) {
1368 (*fill
)((char *)buf
, (size_t)(size
> TP_BSIZE
?
1369 fssize
: (curblk
- 1) * TP_BSIZE
+ size
));
1371 last_write_was_hole
= 0;
1375 (*fill
)((char *)buf
, (size_t)(size
> TP_BSIZE
?
1377 (curblk
- 1) * TP_BSIZE
+ size
));
1380 (*skip
)(clearedbuf
, (long)(size
> TP_BSIZE
?
1382 last_write_was_hole
= 1;
1384 if ((size
-= TP_BSIZE
) <= 0) {
1385 for (i
++; i
< spcl
.c_count
; i
++)
1386 if (readmapflag
|| spcl
.c_addr
[i
])
1391 while (gethead(&spcl
) != GOOD
) {
1392 fprintf(stderr
, "Incorrect block for %s at %ld blocks\n",
1393 curfile
.name
, (long)blksread
);
1396 if (spcl
.c_type
== TS_ADDR
)
1399 "Missing address (header) block for %s at %ld blocks\n",
1400 curfile
.name
, (long)blksread
);
1403 (*fill
)((char *)buf
, (size_t)((curblk
* TP_BSIZE
) + size
));
1404 last_write_was_hole
= 0;
1407 fprintf(stderr
, "Missing blocks at the end of %s, assuming hole\n", curfile
.name
);
1409 size_t skp
= size
> TP_BSIZE
? TP_BSIZE
: size
;
1410 (*skip
)(clearedbuf
, skp
);
1413 last_write_was_hole
= 1;
1415 if (last_write_was_hole
) {
1416 FTRUNCATE(ofile
, origsize
);
1424 * Write out the next block of a file.
1427 xtrfile(char *buf
, size_t size
)
1432 if (write(ofile
, buf
, (int) size
) == -1)
1433 err(1, "write error extracting inode %lu, name %s\nwrite",
1434 (unsigned long)curfile
.ino
, curfile
.name
);
1439 xtrfilefinderinfo(char *buf
, size_t size
)
1441 bcopy(buf
, &gFndrInfo
, size
);
1443 #endif /* DUMP_MACOSX */
1446 * Skip over a hole in a file.
1450 xtrskip(UNUSED(char *buf
), size_t size
)
1453 if (LSEEK(ofile
, (OFF_T
)size
, SEEK_CUR
) == -1)
1454 err(1, "seek error extracting inode %lu, name %s\nlseek",
1455 (unsigned long)curfile
.ino
, curfile
.name
);
1459 * Collect the next block of a symbolic link.
1462 xtrlnkfile(char *buf
, size_t size
)
1466 if (pathlen
> MAXPATHLEN
) {
1467 buf
[size
- 1] = '\0';
1468 errx(1, "symbolic link name: %s->%s%s; too long %d",
1469 curfile
.name
, lnkbuf
, buf
, pathlen
);
1471 (void) strcat(lnkbuf
, buf
);
1472 lnkbuf
[pathlen
] = '\0';
1476 * Skip over a hole in a symbolic link (should never happen).
1480 xtrlnkskip(UNUSED(char *buf
), UNUSED(size_t size
))
1483 errx(1, "unallocated block in symbolic link %s", curfile
.name
);
1487 * Collect the next block of a bit map.
1490 xtrmap(char *buf
, size_t size
)
1493 memmove(map
, buf
, size
);
1498 * Skip over a hole in a bit map (should never happen).
1502 xtrmapskip(UNUSED(char *buf
), size_t size
)
1505 panic("hole in map\n");
1510 * Noop, when an extraction function is not needed.
1514 xtrnull(UNUSED(char *buf
), UNUSED(size_t size
))
1520 #if COMPARE_ONTHEFLY
1522 * Compare the next block of a file.
1525 xtrcmpfile(char *buf
, size_t size
)
1527 static char cmpbuf
[MAXBSIZE
];
1532 if (read(ifile
, cmpbuf
, size
) != (ssize_t
)size
) {
1533 fprintf(stderr
, "%s: size has changed.\n",
1539 if (memcmp(buf
, cmpbuf
, size
) != 0) {
1540 fprintf(stderr
, "%s: tape and disk copies are different\n",
1548 * Skip over a hole in a file.
1551 xtrcmpskip(UNUSED(char *buf
), size_t size
)
1553 static char cmpbuf
[MAXBSIZE
];
1559 if (read(ifile
, cmpbuf
, size
) != (ssize_t
)size
) {
1560 fprintf(stderr
, "%s: size has changed.\n",
1566 for (i
= 0; i
< (int)size
; ++i
)
1567 if (cmpbuf
[i
] != '\0') {
1568 fprintf(stderr
, "%s: tape and disk copies are different\n",
1574 #endif /* COMPARE_ONTHEFLY */
1577 xtrxattr(char *buf
, size_t size
)
1579 if (xattrlen
+ size
> XATTR_MAXSIZE
) {
1580 fprintf(stderr
, "EA size too big (%ld)", (long)xattrlen
+ size
);
1583 memcpy(xattrbuf
+ xattrlen
, buf
, size
);
1587 #if !COMPARE_ONTHEFLY
1589 do_cmpfiles(int fd_tape
, int fd_disk
, OFF_T size
)
1591 static char buf_tape
[BUFSIZ
];
1592 static char buf_disk
[BUFSIZ
];
1597 if ((n_tape
= read(fd_tape
, buf_tape
, sizeof(buf_tape
))) < 1) {
1598 close(fd_tape
), close(fd_disk
);
1599 panic("do_cmpfiles: unexpected EOF[1]");
1601 if ((n_disk
= read(fd_disk
, buf_disk
, sizeof(buf_tape
))) < 1) {
1602 close(fd_tape
), close(fd_disk
);
1603 panic("do_cmpfiles: unexpected EOF[2]");
1605 if (n_tape
!= n_disk
) {
1606 close(fd_tape
), close(fd_disk
);
1607 panic("do_cmpfiles: sizes different!");
1609 if (memcmp(buf_tape
, buf_disk
, (size_t)n_tape
) != 0) return (1);
1615 /* for debugging compare problems */
1616 #undef COMPARE_FAIL_KEEP_FILE
1619 #ifdef COMPARE_FAIL_KEEP_FILE
1620 /* return true if tapefile should be unlinked after compare */
1625 cmpfiles(char *tapefile
, char *diskfile
, struct STAT
*sbuf_disk
)
1627 struct STAT sbuf_tape
;
1628 int fd_tape
, fd_disk
;
1630 if (STAT(tapefile
, &sbuf_tape
) != 0) {
1631 panic("can't lstat tmp file %s: %s\n", tapefile
,
1636 if (sbuf_disk
->st_size
!= sbuf_tape
.st_size
) {
1638 "%s: size changed from %lld to %lld.\n",
1639 diskfile
, (long long)sbuf_tape
.st_size
, (long long)sbuf_disk
->st_size
);
1641 #ifdef COMPARE_FAIL_KEEP_FILE
1648 if ((fd_tape
= OPEN(tapefile
, O_RDONLY
)) < 0) {
1649 panic("can't open %s: %s\n", tapefile
, strerror(errno
));
1652 if ((fd_disk
= OPEN(diskfile
, O_RDONLY
)) < 0) {
1654 panic("can't open %s: %s\n", diskfile
, strerror(errno
));
1658 if (do_cmpfiles(fd_tape
, fd_disk
, sbuf_tape
.st_size
)) {
1659 fprintf(stderr
, "%s: tape and disk copies are different\n",
1664 #ifdef COMPARE_FAIL_KEEP_FILE
1665 /* rename the file to live in /tmp */
1666 /* rename `tapefile' to /tmp/<basename of diskfile> */
1668 char *p
= strrchr(diskfile
, '/');
1669 char newname
[MAXPATHLEN
];
1671 panic("can't find / in %s\n", diskfile
);
1673 snprintf(newname
, sizeof(newname
), "%s/debug/%s", tmpdir
, p
+ 1);
1674 if (rename(tapefile
, newname
)) {
1675 panic("rename from %s to %s failed: %s\n",
1679 fprintf(stderr
, "*** %s saved to %s\n",
1684 /* don't unlink the file (it's not there anymore */
1693 #ifdef COMPARE_FAIL_KEEP_FILE
1697 #endif /* !COMPARE_ONTHEFLY */
1700 compareattr(char *name
)
1704 while (spcl
.c_flags
& DR_EXTATTRIBUTES
) {
1705 switch (spcl
.c_extattributes
) {
1706 case EXT_MACOSFNDRINFO
:
1707 msg("MacOSX not supported for comparision in this version, skipping\n");
1710 case EXT_MACOSRESFORK
:
1711 msg("MacOSX not supported for comparision in this version, skipping\n");
1715 char xattr
[XATTR_MAXSIZE
];
1717 if (readxattr(xattr
) == GOOD
) {
1718 if (xattr_compare(name
, xattr
) == FAIL
)
1727 msg("unexpected inode extension %ld, skipping\n", spcl
.c_extattributes
);
1732 if (!xattr_done
&& xattr_compare(name
, NULL
) == FAIL
)
1736 #if !COMPARE_ONTHEFLY
1737 static char tmpfilename
[MAXPATHLEN
];
1741 comparefile(char *name
)
1747 unsigned long newflags
;
1750 #if !COMPARE_ONTHEFLY
1751 static char *tmpfile
= NULL
;
1754 curfile
.name
= name
;
1755 curfile
.action
= USING
;
1756 mode
= curfile
.dip
->di_mode
;
1757 flags
= curfile
.dip
->di_flags
;
1758 uid
= curfile
.dip
->di_uid
;
1759 gid
= curfile
.dip
->di_gid
;
1761 if ((mode
& IFMT
) == IFSOCK
) {
1762 Vprintf(stdout
, "skipped socket %s\n", name
);
1767 if ((r
= LSTAT(name
, &sb
)) != 0) {
1768 warn("unable to stat %s", name
);
1774 Vprintf(stdout
, "comparing %s (size: %lld, mode: 0%o)\n", name
,
1775 (long long)sb
.st_size
, mode
);
1777 if (sb
.st_mode
!= mode
) {
1778 fprintf(stderr
, "%s: mode changed from 0%o to 0%o.\n",
1779 name
, mode
& 07777, sb
.st_mode
& 07777);
1782 if (sb
.st_uid
!= uid
) {
1783 fprintf(stderr
, "%s: uid changed from %d to %d.\n",
1784 name
, uid
, sb
.st_uid
);
1787 if (sb
.st_gid
!= gid
) {
1788 fprintf(stderr
, "%s: gid changed from %d to %d.\n",
1789 name
, gid
, sb
.st_gid
);
1793 if (lgetflags(name
, &newflags
) < 0) {
1795 warn("%s: lgetflags failed", name
);
1800 if (newflags
!= flags
) {
1801 fprintf(stderr
, "%s: flags changed from 0x%08x to 0x%08lx.\n",
1802 name
, flags
, newflags
);
1807 if (spcl
.c_flags
& DR_METAONLY
) {
1811 switch (mode
& IFMT
) {
1826 char lbuf
[MAXPATHLEN
+ 1];
1829 if (!(sb
.st_mode
& S_IFLNK
)) {
1830 fprintf(stderr
, "%s: is no longer a symbolic link\n",
1837 getfile(xtrlnkfile
, xtrlnkskip
);
1840 "%s: zero length symbolic link (ignored)\n",
1845 if ((lsize
= readlink(name
, lbuf
, MAXPATHLEN
)) < 0) {
1846 panic("readlink of %s failed: %s\n", name
,
1851 if (strcmp(lbuf
, lnkbuf
) != 0) {
1853 "%s: symbolic link changed from %s to %s.\n",
1854 name
, lnkbuf
, lbuf
);
1864 if (!(sb
.st_mode
& (S_IFCHR
|S_IFBLK
))) {
1865 fprintf(stderr
, "%s: no longer a special file\n",
1872 if (sb
.st_rdev
!= (dev_t
)curfile
.dip
->di_rdev
) {
1874 "%s: device changed from %d,%d to %d,%d.\n",
1876 major(curfile
.dip
->di_rdev
),
1877 minor(curfile
.dip
->di_rdev
),
1887 #if COMPARE_ONTHEFLY
1888 if ((ifile
= OPEN(name
, O_RDONLY
)) < 0) {
1889 warn("can't open %s", name
);
1895 getfile(xtrcmpfile
, xtrcmpskip
);
1898 if (read(ifile
, &c
, 1) != 0) {
1899 fprintf(stderr
, "%s: size has changed.\n",
1909 if (tmpfile
== NULL
) {
1910 /* argument to mktemp() must not be in RO space: */
1911 snprintf(tmpfilename
, sizeof(tmpfilename
), "%s/restoreCXXXXXX", tmpdir
);
1912 tmpfile
= mktemp(&tmpfilename
[0]);
1914 if ((STAT(tmpfile
, &stemp
) == 0) && (unlink(tmpfile
) != 0)) {
1915 panic("cannot delete tmp file %s: %s\n",
1916 tmpfile
, strerror(errno
));
1918 if ((ofile
= OPEN(tmpfile
, O_WRONLY
| O_CREAT
| O_TRUNC
, 0600)) < 0) {
1919 panic("cannot create file temp file %s: %s\n",
1920 name
, strerror(errno
));
1922 getfile(xtrfile
, xtrskip
);
1923 (void) close(ofile
);
1924 #ifdef COMPARE_FAIL_KEEP_FILE
1925 if (cmpfiles(tmpfile
, name
, &sb
))
1928 cmpfiles(tmpfile
, name
, &sb
);
1931 #endif /* COMPARE_ONTHEFLY */
1938 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
1939 static void (*readtape_func
)(char *) = readtape_set
;
1942 * Read TP_BSIZE blocks from the input.
1943 * Handle read errors, and end of media.
1944 * Decompress compressed blocks.
1949 (*readtape_func
)(buf
); /* call the actual processing routine */
1953 * Set function pointer for readtape() routine. zflag and magtapein must
1954 * be correctly set before the first call to readtape().
1957 readtape_set(char *buf
)
1960 readtape_func
= readtape_uncompr
;
1964 readtape_func
= readtape_comprtape
;
1966 readtape_func
= readtape_comprfile
;
1971 #endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
1974 * This is the original readtape(), it's used for reading uncompressed input.
1975 * Read TP_BSIZE blocks from the input.
1976 * Handle read errors, and end of media.
1979 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
1980 readtape_uncompr(char *buf
)
1985 ssize_t rd
, newvol
, i
;
1986 int cnt
, seek_failed
;
1988 if (blkcnt
< numtrec
) {
1989 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
1995 for (i
= 0; i
< ntrec
; i
++)
1996 ((struct s_spcl
*)&tapebuf
[i
* TP_BSIZE
])->c_magic
= 0;
1999 cnt
= ntrec
* TP_BSIZE
;
2002 if (createtapeposflag
)
2003 (void)GetTapePos(&curtapepos
);
2008 i
= rmtread(&tapebuf
[rd
], cnt
);
2011 i
= read(mt
, &tapebuf
[rd
], cnt
);
2014 * Check for mid-tape short read error.
2015 * If found, skip rest of buffer and start with the next.
2017 if (!pipein
&& numtrec
< ntrec
&& i
> 0) {
2018 Dprintf(stdout
, "mid-media short read error.\n");
2022 * Handle partial block read.
2024 if (pipein
&& i
== 0 && rd
> 0)
2026 else if (i
> 0 && i
!= ntrec
* TP_BSIZE
) {
2035 * Short read. Process the blocks read.
2037 if (i
% TP_BSIZE
!= 0)
2039 "partial block read: %ld should be %ld\n",
2040 (long)i
, ntrec
* TP_BSIZE
);
2041 numtrec
= i
/ TP_BSIZE
;
2045 * Handle read error.
2048 fprintf(stderr
, "Tape read error while ");
2049 switch (curfile
.action
) {
2051 fprintf(stderr
, "trying to set up tape\n");
2054 fprintf(stderr
, "trying to resynchronize\n");
2057 fprintf(stderr
, "restoring %s\n", curfile
.name
);
2060 fprintf(stderr
, "skipping over inode %lu\n",
2061 (unsigned long)curfile
.ino
);
2064 if (!yflag
&& !reply("continue"))
2066 i
= ntrec
* TP_BSIZE
;
2067 memset(tapebuf
, 0, (size_t)i
);
2070 seek_failed
= (rmtseek(i
, 1) < 0);
2073 seek_failed
= (LSEEK(mt
, i
, SEEK_CUR
) == (OFF_T
)-1);
2076 warn("continuation failed");
2077 if (!yflag
&& !reply("assume end-of-tape and continue"))
2083 * Handle end of tape.
2086 Vprintf(stdout
, "End-of-tape encountered\n");
2095 if (rd
% TP_BSIZE
!= 0)
2096 panic("partial block read: %d should be %d\n",
2097 rd
, ntrec
* TP_BSIZE
);
2099 memmove(&tapebuf
[rd
], &endoftapemark
, TP_BSIZE
);
2102 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2107 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
2110 * Read a compressed format block from a file or pipe and uncompress it.
2111 * Attempt to handle read errors, and end of file.
2114 readtape_comprfile(char *buf
)
2116 long rl
, size
, i
, ret
;
2118 struct tapebuf
*tpb
;
2120 if (blkcnt
< numtrec
) {
2121 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2126 /* need to read the next block */
2128 for (i
= 0; i
< ntrec
; i
++)
2129 ((struct s_spcl
*)&tapebuf
[i
* TP_BSIZE
])->c_magic
= 0;
2131 tpb
= (struct tapebuf
*) tapebuf
;
2133 /* read the block prefix */
2134 ret
= read_a_block(mt
, tapebuf
, PREFIXSIZE
, &rl
);
2135 converttapebuf(tpb
);
2137 if (Vflag
&& (ret
== 0 || rl
< (int)PREFIXSIZE
|| tpb
->length
== 0))
2144 if (size
> bufsize
) {
2145 /* something's wrong */
2146 Vprintf(stdout
, "Prefix size error, max size %d, got %ld\n",
2149 tpb
->length
= bufsize
;
2151 ret
= read_a_block(mt
, tpb
->buf
, size
, &rl
);
2155 tbufptr
= decompress_tapebuf(tpb
, rl
+ PREFIXSIZE
);
2156 if (tbufptr
== NULL
) {
2157 msg_read_error("File decompression error while");
2158 if (!yflag
&& !reply("continue"))
2160 memset(tapebuf
, 0, bufsize
);
2165 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2171 /* Errors while reading from a file or pipe are catastrophic. Since
2172 * there are no block boundaries, it's impossible to bypass the
2173 * block in error and find the start of the next block.
2176 /* It's possible to have multiple input files using -M
2177 * and -f file1,file2...
2179 Vprintf(stdout
, "End-of-File encountered\n");
2189 msg_read_error("Read error while");
2190 /* if (!yflag && !reply("continue")) */
2195 * Read compressed data from a tape and uncompress it.
2196 * Handle read errors, and end of media.
2197 * Since a tape consists of separate physical blocks, we try
2198 * to recover from errors by repositioning the tape to the next
2202 readtape_comprtape(char *buf
)
2206 struct tapebuf
*tpb
;
2209 if (blkcnt
< numtrec
) {
2210 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2215 /* need to read the next block */
2217 for (i
= 0; i
< ntrec
; i
++)
2218 ((struct s_spcl
*)&tapebuf
[i
* TP_BSIZE
])->c_magic
= 0;
2220 tpb
= (struct tapebuf
*) tapebuf
;
2222 /* read the block */
2223 size
= bufsize
+ PREFIXSIZE
;
2224 ret
= read_a_block(mt
, tapebuf
, size
, &rl
);
2228 converttapebuf(tpb
);
2229 tbufptr
= decompress_tapebuf(tpb
, rl
);
2230 if (tbufptr
== NULL
) {
2231 msg_read_error("Tape decompression error while");
2232 if (!yflag
&& !reply("continue"))
2234 memset(tapebuf
, 0, PREFIXSIZE
+ bufsize
);
2240 /* Handle errors: EOT switches to the next volume, other errors
2241 * attempt to position the tape to the next block.
2244 Vprintf(stdout
, "End-of-tape encountered\n");
2253 msg_read_error("Tape read error while");
2254 if (!yflag
&& !reply("continue"))
2256 memset(tapebuf
, 0, PREFIXSIZE
+ bufsize
);
2261 rl
= rmtioctl(MTFSR
, 1);
2267 rl
= ioctl(mt
, MTIOCTOP
, &tcom
);
2271 warn("continuation failed");
2272 if (!yflag
&& !reply("assume end-of-tape and continue"))
2274 ret
= 0; /* end of tape */
2280 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2286 * Decompress a struct tapebuf into a buffer. readsize is the size read
2287 * from the tape/file and is used for error messages. Returns a pointer
2288 * to the location of the uncompressed buffer or NULL on errors.
2289 * Adjust numtrec and complain for a short block.
2292 decompress_tapebuf(struct tapebuf
*tpbin
, int readsize
)
2294 /* If zflag is on, all blocks have a struct tapebuf prefix */
2295 /* zflag gets set in setup() from the dump header */
2296 int cresult
, blocklen
;
2297 unsigned long worklen
;
2298 char *output
= NULL
,*reason
= NULL
, *lengtherr
= NULL
;
2300 /* build a length error message */
2301 blocklen
= tpbin
->length
;
2302 if (readsize
< blocklen
+ (int)PREFIXSIZE
)
2303 lengtherr
= "short";
2305 if (readsize
> blocklen
+ (int)PREFIXSIZE
)
2310 if (tpbin
->compressed
) {
2311 /* uncompress whatever we read, if it fails, complain later */
2312 if (tpbin
->flags
== COMPRESS_ZLIB
) {
2314 errx(1,"This restore version doesn't support zlib decompression");
2316 cresult
= uncompress(comprbuf
, &worklen
,
2317 tpbin
->buf
, blocklen
);
2323 reason
= "not enough memory";
2326 reason
= "buffer too small";
2329 reason
= "data error";
2334 if (cresult
== Z_OK
)
2338 #endif /* HAVE_ZLIB */
2340 if (tpbin
->flags
== COMPRESS_BZLIB
) {
2342 errx(1,"This restore version doesn't support bzlib decompression");
2344 unsigned int worklen2
= worklen
;
2345 cresult
= BZ2_bzBuffToBuffDecompress(
2346 comprbuf
, &worklen2
,
2347 tpbin
->buf
, blocklen
, 0, 0);
2354 reason
= "not enough memory";
2356 case BZ_OUTBUFF_FULL
:
2357 reason
= "buffer too small";
2360 case BZ_DATA_ERROR_MAGIC
:
2361 case BZ_UNEXPECTED_EOF
:
2362 reason
= "data error";
2367 if (cresult
== BZ_OK
)
2371 #endif /* HAVE_BZLIB */
2373 if (tpbin
->flags
== COMPRESS_LZO
) {
2375 errx(1,"This restore version doesn't support lzo decompression");
2377 lzo_uint worklen2
= worklen
;
2378 cresult
= lzo1x_decompress(tpbin
->buf
, blocklen
,
2379 comprbuf
, &worklen2
, NULL
);
2386 case LZO_E_EOF_NOT_FOUND
:
2387 reason
= "data error";
2392 if (cresult
== LZO_E_OK
)
2396 #endif /* HAVE_LZO */
2400 output
= tpbin
->buf
;
2404 numtrec
= worklen
/ TP_BSIZE
;
2405 if (worklen
% TP_BSIZE
!= 0)
2406 reason
= "length mismatch";
2410 fprintf(stderr
, "%s compressed block: %d expected: %u\n",
2411 lengtherr
, readsize
, tpbin
->length
+ PREFIXSIZE
);
2412 fprintf(stderr
, "decompression error, block %ld: %s\n",
2413 tpblksread
+1, reason
);
2421 * Print an error message for a read error.
2422 * This was exteracted from the original readtape().
2425 msg_read_error(char *m
)
2427 switch (curfile
.action
) {
2429 fprintf(stderr
, "%s trying to set up tape\n", m
);
2432 fprintf(stderr
, "%s trying to resynchronize\n", m
);
2435 fprintf(stderr
, "%s restoring %s\n", m
, curfile
.name
);
2438 fprintf(stderr
, "%s skipping over inode %lu\n", m
,
2439 (unsigned long)curfile
.ino
);
2443 #endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
2446 * Read the first block and get the blocksize from it. Test
2447 * for a compressed dump tape/file. setup() will make the final
2448 * determination by checking the compressed flag if gethead()
2449 * finds a valid header. The test here is necessary to offset the buffer
2450 * by the size of the compressed prefix. zflag is set here so that
2451 * readtape_set can set the correct function pointer for readtape().
2452 * Note that the first block of each tape/file is not compressed
2453 * and does not have a prefix.
2456 findtapeblksize(void)
2460 struct tapebuf
*tpb
= (struct tapebuf
*) tapebuf
;
2461 struct s_spcl spclpt
;
2463 for (i
= 0; i
< ntrec
; i
++)
2464 ((struct s_spcl
*)&tapebuf
[i
* TP_BSIZE
])->c_magic
= 0;
2468 * For a pipe or file, read in the first record. For a tape, read
2471 len
= magtapein
? ntrec
* TP_BSIZE
: TP_BSIZE
;
2473 if (read_a_block(mt
, tapebuf
, len
, &i
) <= 0)
2474 errx(1, "Tape read error on first record");
2476 memcpy(&spclpt
, tapebuf
, TP_BSIZE
);
2478 if (converthead(&spclpt
) == FAIL
) {
2480 if (converthead(&spclpt
) == FAIL
) {
2481 /* Special case for old compressed tapes with prefix */
2482 if (magtapein
&& (i
% TP_BSIZE
!= 0))
2484 errx(1, "Tape is not a dump tape");
2486 fprintf(stderr
, "Converting to new file system format.\n");
2489 * If the input is from a file or a pipe, we read TP_BSIZE
2490 * bytes looking for a dump header. If the dump is compressed
2491 * we need to read in the rest of the block, as determined
2492 * by c_ntrec in the dump header. The first block of the
2493 * dump is not compressed and does not have a prefix.
2496 if (spclpt
.c_type
== TS_TAPE
2497 && spclpt
.c_flags
& DR_COMPRESSED
) {
2498 /* It's a compressed dump file, read in the */
2499 /* rest of the block based on spclpt.c_ntrec. */
2500 if (spclpt
.c_ntrec
> ntrec
)
2501 errx(1, "Tape blocksize is too large, use "
2502 "\'-b %d\' ", spclpt
.c_ntrec
);
2503 ntrec
= spclpt
.c_ntrec
;
2504 len
= (ntrec
- 1) * TP_BSIZE
;
2508 /* read in the rest of the block based on bufsize */
2509 len
= bufsize
- TP_BSIZE
;
2511 if (read_a_block(mt
, tapebuf
+TP_BSIZE
, len
, &i
) < 0
2512 || (i
!= (long)len
&& i
% TP_BSIZE
!= 0))
2513 errx(1,"Error reading dump file header");
2516 Vprintf(stdout
, "Input block size is %ld\n", ntrec
);
2518 } /* if (!magtapein) */
2521 * If the input is a tape, we tried to read ntrec * TP_BSIZE bytes.
2522 * If the value of ntrec is too large, we read less than
2523 * what we asked for; adjust the value of ntrec and test for
2524 * a compressed dump tape.
2526 if (i
% TP_BSIZE
!= 0) {
2528 /* may be old format compressed dump tape with a prefix */
2529 memcpy(&spclpt
, tpb
->buf
, TP_BSIZE
);
2531 if (converthead(&spclpt
) == FAIL
) {
2533 if (converthead(&spclpt
) == FAIL
)
2534 errx(1, "Tape is not a dump tape");
2535 fprintf(stderr
, "Converting to new file system format.\n");
2537 if (i
% TP_BSIZE
== PREFIXSIZE
2538 && tpb
->compressed
== 0
2539 && spclpt
.c_type
== TS_TAPE
2540 && spclpt
.c_flags
& DR_COMPRESSED
) {
2543 if (tpb
->length
> bufsize
)
2544 errx(1, "Tape blocksize is too large, use "
2545 "\'-b %d\' ", tpb
->length
/ TP_BSIZE
);
2548 errx(1, "Tape block size (%ld) is not a multiple of dump block size (%d)",
2551 ntrec
= i
/ TP_BSIZE
;
2552 if (spclpt
.c_type
== TS_TAPE
) {
2553 if (spclpt
.c_flags
& DR_COMPRESSED
)
2555 if (spclpt
.c_ntrec
> ntrec
)
2556 errx(1, "Tape blocksize is too large, use "
2557 "\'-b %d\' ", spclpt
.c_ntrec
);
2560 Vprintf(stdout
, "Tape block size is %ld\n", ntrec
);
2564 * Read a block of data handling all of the messy details.
2566 static int read_a_block(int fd
, char *buf
, size_t len
, long *lengthread
)
2574 i
= rmtread(buf
, size
);
2577 i
= read(fd
, buf
, size
);
2580 break; /* EOD or error */
2583 break; /* block at a time for mt */
2586 *lengthread
= len
- size
;
2605 setmagtapein(void) {
2606 struct mtget mt_stat
;
2607 static int done
= 0;
2612 /* need to know if input is really from a tape */
2618 magtapein
= ioctl(mt
, MTIOCGET
, (char *)&mt_stat
) == 0;
2621 Vprintf(stdout
,"Input is from a %s %s\n",
2622 host
? "remote" : "local",
2623 magtapein
? "tape" :
2624 Vflag
? "multi-volume (no tape)" : "file/pipe");
2628 * Read the next block from the tape.
2629 * Check to see if it is one of several vintage headers.
2630 * If it is an old style header, convert it to a new style header.
2631 * If it is not any valid header, return an error.
2634 gethead(struct s_spcl
*buf
)
2636 readtape((char *)buf
);
2637 return converthead(buf
);
2641 converthead(struct s_spcl
*buf
)
2649 char dummy
[TP_BSIZE
];
2656 u_int16_t c_inumber
;
2661 u_int16_t odi_nlink
;
2677 if (buf
->c_magic
!= NFS_MAGIC
) {
2678 if (swabi(buf
->c_magic
) != NFS_MAGIC
)
2681 Vprintf(stdout
, "Note: Doing Byte swapping\n");
2685 if (checksum((int *)buf
) == FAIL
)
2688 swabst((u_char
*)"8i4s1l29i528bi192b4i", (u_char
*)buf
);
2691 memcpy(&u_ospcl
.s_ospcl
, buf
, TP_BSIZE
);
2692 if (checksum((int *)(&u_ospcl
.s_ospcl
)) == FAIL
)
2694 if (u_ospcl
.s_ospcl
.c_magic
== OFS_MAGIC
) {
2695 memset((char *)buf
, 0, (long)TP_BSIZE
);
2696 buf
->c_type
= u_ospcl
.s_ospcl
.c_type
;
2697 buf
->c_date
= u_ospcl
.s_ospcl
.c_date
;
2698 buf
->c_ddate
= u_ospcl
.s_ospcl
.c_ddate
;
2699 buf
->c_volume
= u_ospcl
.s_ospcl
.c_volume
;
2700 buf
->c_tapea
= u_ospcl
.s_ospcl
.c_tapea
;
2701 buf
->c_inumber
= u_ospcl
.s_ospcl
.c_inumber
;
2702 buf
->c_checksum
= u_ospcl
.s_ospcl
.c_checksum
;
2703 buf
->c_magic
= u_ospcl
.s_ospcl
.c_magic
;
2704 buf
->c_dinode
.di_mode
= u_ospcl
.s_ospcl
.c_dinode
.odi_mode
;
2705 buf
->c_dinode
.di_nlink
= u_ospcl
.s_ospcl
.c_dinode
.odi_nlink
;
2706 buf
->c_dinode
.di_uid
= u_ospcl
.s_ospcl
.c_dinode
.odi_uid
;
2707 buf
->c_dinode
.di_gid
= u_ospcl
.s_ospcl
.c_dinode
.odi_gid
;
2708 buf
->c_dinode
.di_size
= u_ospcl
.s_ospcl
.c_dinode
.odi_size
;
2709 buf
->c_dinode
.di_rdev
= u_ospcl
.s_ospcl
.c_dinode
.odi_rdev
;
2710 #if defined(__linux__) || defined(sunos)
2711 buf
->c_dinode
.di_atime
.tv_sec
= u_ospcl
.s_ospcl
.c_dinode
.odi_atime
;
2712 buf
->c_dinode
.di_mtime
.tv_sec
= u_ospcl
.s_ospcl
.c_dinode
.odi_mtime
;
2713 buf
->c_dinode
.di_ctime
.tv_sec
= u_ospcl
.s_ospcl
.c_dinode
.odi_ctime
;
2714 #else /* __linux__ || sunos */
2715 buf
->c_dinode
.di_atime
= u_ospcl
.s_ospcl
.c_dinode
.odi_atime
;
2716 buf
->c_dinode
.di_mtime
= u_ospcl
.s_ospcl
.c_dinode
.odi_mtime
;
2717 buf
->c_dinode
.di_ctime
= u_ospcl
.s_ospcl
.c_dinode
.odi_ctime
;
2718 #endif /* __linux__ || sunos */
2719 buf
->c_count
= u_ospcl
.s_ospcl
.c_count
;
2720 memmove(buf
->c_addr
, u_ospcl
.s_ospcl
.c_fill
, (long)256);
2722 else if (u_ospcl
.s_ospcl
.c_magic
== FS_UFS2_MAGIC
) {
2723 buf
->c_date
= (int32_t)(*(int64_t *)&u_ospcl
.dummy
[896]);
2724 buf
->c_ddate
= (int32_t)(*(int64_t *)&u_ospcl
.dummy
[904]);
2725 buf
->c_tapea
= (int32_t)(*(int64_t *)&u_ospcl
.dummy
[912]);
2726 buf
->c_firstrec
= (int32_t)(*(int64_t *)&u_ospcl
.dummy
[920]);
2728 buf
->c_extattributes
= 0;
2729 buf
->c_flags
|= DR_NEWINODEFMT
;
2734 buf
->c_magic
= NFS_MAGIC
;
2737 if ((buf
->c_dinode
.di_size
== 0 || buf
->c_dinode
.di_size
> 0xfffffff) &&
2738 (buf
->c_dinode
.di_mode
& IFMT
) == IFDIR
&& Qcvt
== 0) {
2739 qcvt
.qval
= buf
->c_dinode
.di_size
;
2740 if (qcvt
.val
[0] || qcvt
.val
[1]) {
2741 Vprintf(stdout
, "Note: Doing Quad swapping\n");
2746 qcvt
.qval
= buf
->c_dinode
.di_size
;
2748 qcvt
.val
[1] = qcvt
.val
[0];
2750 buf
->c_dinode
.di_size
= qcvt
.qval
;
2754 switch (buf
->c_type
) {
2759 * Have to patch up missing information in bit map headers
2762 buf
->c_dinode
.di_size
= buf
->c_count
* TP_BSIZE
;
2763 if (buf
->c_count
> TP_NINDIR
)
2766 for (i
= 0; i
< buf
->c_count
; i
++)
2771 if ((buf
->c_flags
& DR_NEWINODEFMT
) == 0)
2776 if (buf
->c_flags
& DR_INODEINFO
) {
2777 memcpy(volinfo
, buf
->c_inos
, TP_NINOS
* sizeof(dump_ino_t
));
2779 swabst((u_char
*)"128i", (u_char
*)volinfo
);
2788 panic("gethead: unknown inode type %d\n", buf
->c_type
);
2792 * If we are restoring a filesystem with old format inodes,
2793 * copy the uid/gid to the new location.
2796 buf
->c_dinode
.di_uid
= buf
->c_dinode
.di_ouid
;
2797 buf
->c_dinode
.di_gid
= buf
->c_dinode
.di_ogid
;
2805 converttapebuf(struct tapebuf
*tpb
)
2809 unsigned int length
:28;
2810 unsigned int flags
:3;
2811 unsigned int compressed
:1;
2813 swabst((u_char
*)"i", (u_char
*)tpb
);
2814 memcpy(&tb
, tpb
, 4);
2815 tpb
->length
= tb
.length
;
2816 tpb
->flags
= tb
.flags
;
2817 tpb
->compressed
= tb
.compressed
;
2822 * Check that a header is where it belongs and predict the next header
2825 accthdr(struct s_spcl
*header
)
2827 static dump_ino_t previno
= 0x7fffffff;
2828 static int prevtype
;
2829 static long predict
;
2832 if (header
->c_type
== TS_TAPE
) {
2833 fprintf(stderr
, "Volume header (%s inode format) ",
2834 oldinofmt
? "old" : "new");
2835 if (header
->c_firstrec
)
2836 fprintf(stderr
, "begins with record %d",
2837 header
->c_firstrec
);
2838 fprintf(stderr
, "\n");
2839 previno
= 0x7fffffff;
2842 if (previno
== 0x7fffffff)
2846 fprintf(stderr
, "Dumped inodes map header");
2849 fprintf(stderr
, "Used inodes map header");
2852 fprintf(stderr
, "File header, ino %lu", (unsigned long)previno
);
2855 fprintf(stderr
, "File continuation header, ino %ld", (long)previno
);
2858 fprintf(stderr
, "End of tape header");
2861 if (predict
!= blksread
- 1)
2862 fprintf(stderr
, "; predicted %ld blocks, got %ld blocks",
2863 predict
, blksread
- 1);
2864 fprintf(stderr
, "\n");
2867 if (header
->c_type
!= TS_END
)
2868 for (i
= 0; i
< header
->c_count
; i
++)
2869 if (readmapflag
|| header
->c_addr
[i
] != 0)
2873 prevtype
= header
->c_type
;
2874 previno
= header
->c_inumber
;
2878 * Find an inode header.
2879 * Complain if had to skip, and complain is set.
2882 findinode(struct s_spcl
*header
)
2884 static long skipcnt
= 0;
2888 curfile
.name
= "<name unknown>";
2889 curfile
.action
= UNKNOWN
;
2893 if (header
->c_magic
!= NFS_MAGIC
) {
2895 while (gethead(header
) == FAIL
||
2896 header
->c_date
!= dumpdate
)
2899 switch (header
->c_type
) {
2903 * Skip up to the beginning of the next record
2905 for (i
= 0; i
< header
->c_count
; i
++)
2906 if (header
->c_addr
[i
])
2908 while (gethead(header
) == FAIL
||
2909 header
->c_date
!= dumpdate
)
2914 curfile
.dip
= &header
->c_dinode
;
2915 curfile
.ino
= header
->c_inumber
;
2919 curfile
.ino
= maxino
;
2923 curfile
.name
= "<file removal list>";
2927 curfile
.name
= "<file dump list>";
2931 panic("unexpected tape header\n");
2935 panic("unknown tape header type %d\n", spcl
.c_type
);
2939 } while (header
->c_type
== TS_ADDR
);
2944 fprintf(stderr
, "resync restore, skipped %ld blocks\n",
2954 j
= sizeof(union u_spcl
) / sizeof(int);
2961 /* What happens if we want to read restore tapes
2962 for a 16bit int machine??? */
2968 if (i
!= CHECKSUM
) {
2969 fprintf(stderr
, "Checksum error %o, inode %lu file %s\n", i
,
2970 (unsigned long)curfile
.ino
, curfile
.name
);
2980 #include <varargs.h>
2985 msg(const char *fmt
, ...)
2998 (void)vfprintf(stderr
, fmt
, ap
);
3001 #endif /* RRESTORE */
3004 swab16(u_char
*sp
, int n
)
3009 c
= sp
[0]; sp
[0] = sp
[1]; sp
[1] = c
;
3016 swab32(u_char
*sp
, int n
)
3021 c
= sp
[0]; sp
[0] = sp
[3]; sp
[3] = c
;
3022 c
= sp
[1]; sp
[1] = sp
[2]; sp
[2] = c
;
3029 swab64(u_char
*sp
, int n
)
3034 c
= sp
[0]; sp
[0] = sp
[7]; sp
[7] = c
;
3035 c
= sp
[1]; sp
[1] = sp
[6]; sp
[6] = c
;
3036 c
= sp
[2]; sp
[2] = sp
[5]; sp
[5] = c
;
3037 c
= sp
[3]; sp
[3] = sp
[4]; sp
[4] = c
;
3044 swabst(u_char
*cp
, u_char
*sp
)
3050 case '0': case '1': case '2': case '3': case '4':
3051 case '5': case '6': case '7': case '8': case '9':
3052 n
= (n
* 10) + (*cp
++ - '0');
3055 case 's': case 'w': case 'h':
3073 default: /* Any other character, like 'b' counts as byte. */
3087 swabst((u_char
*)"i", (u_char
*)&x
);
3095 swabst((u_char
*)"l", (u_char
*)&x
);
3101 RequestVol(long tnum
)
3112 int uscsi_flags
; /* read, write, etc. see below */
3113 short uscsi_status
; /* resulting status */
3114 short uscsi_timeout
; /* Command Timeout */
3115 caddr_t uscsi_cdb
; /* cdb to send to target */
3116 caddr_t uscsi_bufaddr
; /* i/o source/destination */
3117 u_int uscsi_buflen
; /* size of i/o to take place */
3118 u_int uscsi_resid
; /* resid from i/o operation */
3119 u_char uscsi_cdblen
; /* # of valid cdb bytes */
3120 u_char uscsi_rqlen
; /* size of uscsi_rqbuf */
3121 u_char uscsi_rqstatus
; /* status of request sense cmd */
3122 u_char uscsi_rqresid
; /* resid of request sense cmd */
3123 caddr_t uscsi_rqbuf
; /* request sense buffer */
3124 void *uscsi_reserved_5
; /* Reserved for Future Use */
3127 #define CDB_GROUP0 6 /* 6-byte cdb's */
3128 #define CDB_GROUP1 10 /* 10-byte cdb's */
3129 #define CDB_GROUP2 10 /* 10-byte cdb's */
3130 #define CDB_GROUP3 0 /* reserved */
3131 #define CDB_GROUP4 16 /* 16-byte cdb's */
3132 #define CDB_GROUP5 12 /* 12-byte cdb's */
3133 #define CDB_GROUP6 0 /* reserved */
3134 #define CDB_GROUP7 0 /* reserved */
3136 #define USCSI_WRITE 0x00000 /* send data to device */
3137 #define USCSI_SILENT 0x00001 /* no error messages */
3138 #define USCSI_DIAGNOSE 0x00002 /* fail if any error occurs */
3139 #define USCSI_ISOLATE 0x00004 /* isolate from normal commands */
3140 #define USCSI_READ 0x00008 /* get data from device */
3141 #define USCSI_RESET 0x04000 /* Reset target */
3142 #define USCSI_RESET_ALL 0x08000 /* Reset all targets */
3143 #define USCSI_RQENABLE 0x10000 /* Enable Request Sense extensions */
3145 #define USCSIIOC (0x04 << 8)
3146 #define USCSICMD (USCSIIOC|201) /* user scsi command */
3148 #define USCSI_TIMEOUT 30
3149 #define USCSI_SHORT_TIMEOUT 900
3150 #define USCSI_LONG_TIMEOUT 14000
3152 #define B(s,i) ((unsigned char)((s) >> i))
3153 #define B1(s) ((unsigned char)(s))
3155 #define MSB4(s,v) *(s)=B(v,24),(s)[1]=B(v,16), (s)[2]=B(v,8), (s)[3]=B1(v)
3159 GetTapePos(long long *pos
)
3162 struct uscsi_cmd scmd
;
3167 (void)memset((void *)buf
, 0, sizeof(buf
));
3168 (void)memset((void *)&scmd
, 0, sizeof(scmd
));
3169 scmd
.uscsi_flags
= USCSI_READ
|USCSI_SILENT
;
3170 scmd
.uscsi_timeout
= USCSI_TIMEOUT
;
3171 scmd
.uscsi_cdb
= buf
;
3172 scmd
.uscsi_cdblen
= CDB_GROUP1
;
3173 buf
[0] = 0x34; /* read position */
3175 (void)memset((void *)parm
, 0, 512);
3176 scmd
.uscsi_bufaddr
= parm
;
3177 scmd
.uscsi_buflen
= 56;
3178 if (ioctl(fdsmtc
, USCSICMD
, &scmd
) == -1) {
3182 (void)memcpy(&lpos
, &parm
[4], sizeof(long));
3188 GotoTapePos(long long pos
)
3191 struct uscsi_cmd scmd
;
3194 long lpos
= (long)pos
;
3196 (void)memset((void *)buf
, 0, sizeof(buf
));
3197 (void)memset((void *)&scmd
, 0, sizeof(scmd
));
3198 scmd
.uscsi_flags
= USCSI_WRITE
|USCSI_SILENT
;
3199 scmd
.uscsi_timeout
= 360; /* 5 Minutes */
3200 scmd
.uscsi_cdb
= buf
;
3201 scmd
.uscsi_cdblen
= CDB_GROUP1
;
3202 buf
[0] = 0x2b; /* locate */
3204 MSB4(&buf
[3], lpos
);
3205 (void)memset((void *)parm
, 0, 512);
3206 scmd
.uscsi_bufaddr
= NULL
;
3207 scmd
.uscsi_buflen
= 0;
3208 if (ioctl(fdsmtc
, USCSICMD
, &scmd
) == -1) {
3216 #define LSEEK_GET_TAPEPOS 10
3217 #define LSEEK_GO2_TAPEPOS 11
3220 typedef struct mt_pos
{
3223 } MTPosRec
, *MTPosPtr
;
3227 * get the current position of the tape
3230 GetTapePos(long long *pos
)
3236 *pos
= (long long) rmtseek((OFF_T
)0, (int)LSEEK_GET_TAPEPOS
);
3245 err
= (ioctl(mt
, MTIOCPOS
, &mtpos
) < 0);
3246 *pos
= (long long)mtpos
;
3249 *pos
= LSEEK(mt
, 0, SEEK_CUR
);
3255 fprintf(stdout
, "[%ld] error: %d (getting tapepos: %lld)\n",
3256 (unsigned long)getpid(), err
, *pos
);
3263 * go to specified position on tape
3266 GotoTapePos(long long pos
)
3272 err
= (rmtseek((OFF_T
)pos
, (int)LSEEK_GO2_TAPEPOS
) < 0);
3279 buf
.mt_count
= (int) pos
;
3280 err
= (ioctl(mt
, MTIOCTOP
, &buf
) < 0);
3283 pos
= LSEEK(mt
, pos
, SEEK_SET
);
3289 fprintf(stdout
, "[%ld] error: %d (setting tapepos: %lld)\n",
3290 (unsigned long)getpid(), err
, pos
);
3295 #endif /* __linux__ */
3298 * read next data from tape to re-sync
3301 ReReadFromTape(void)
3305 if (gethead(&spcl
) == FAIL
) {
3307 fprintf(stdout
, "DEBUG 1 gethead failed\n");
3315 ReReadInodeFromTape(dump_ino_t theino
)
3324 } while (!(spcl
.c_inumber
== theino
&& spcl
.c_type
== TS_INODE
&& spcl
.c_date
== dumpdate
));
3326 fprintf(stderr
, "DEBUG: %ld reads\n", cntloop
);
3327 fprintf(stderr
, "DEBUG: bufsize %ld\n", bufsize
);
3328 fprintf(stderr
, "DEBUG: ntrec %ld\n", ntrec
);
3329 fprintf(stderr
, "DEBUG: %ld reads\n", cntloop
);
3337 OpenSMTCmt(char *themagtape
)
3339 if (GetSCSIIDFromPath(themagtape
, &scsiid
)) {
3340 fprintf(stderr
, "can't get SCSI-ID for %s\n", themagtape
);
3344 fprintf(stderr
, "can't get SCSI-ID for %s\n", themagtape
);
3347 sprintf(smtcpath
, "/dev/rsmtc%ld,0", scsiid
);
3348 if ((fdsmtc
= open(smtcpath
, O_RDWR
)) == -1) {
3349 fprintf(stderr
, "can't open smtc device: %s, %d\n", smtcpath
, errno
);
3355 #endif /* USE_QFA */