]>
git.wh0rd.org - dump.git/blob - tape.c
45d156f5abd02dfeff2b2fd718f9daf7b29ff8f6
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 1.99 2010/06/11 11:19:17 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 if (!fgets(buf
, TP_BSIZE
, terminal
))
527 } while (!feof(terminal
) && buf
[0] == '\n');
530 if (!strcmp(buf
, "none\n")) {
537 "Volume numbers are positive numerics\n");
540 if (newvol
== volno
) {
541 tapesread
|= 1 << volno
;
542 #if defined(USE_QFA) && defined(sunos)
543 if (createtapeposflag
|| tapeposflag
) {
544 if (OpenSMTCmt(magtape
) < 0) {
556 * if using an archive file, reset its name so readtape()
557 * could properly use remote access.
562 snprintf(magtape
, MAXPATHLEN
, "%s%03ld", magtapeprefix
, newvol
);
563 magtape
[MAXPATHLEN
- 1] = '\0';
565 if (bot_script
&& !haderror
) {
566 msg("Launching %s\n", bot_script
);
567 bot_code
= system_command(bot_script
, magtape
, newvol
);
568 if (bot_code
!= 0 && bot_code
!= 1) {
569 msg("Restore aborted by the beginning of tape script\n");
573 if (haderror
|| (bot_code
&& !Mflag
)) {
576 fprintf(stderr
, "%d compare errors so far\n", compare_errors
);
578 fprintf(stderr
, "Mount volume %ld\n", (long)newvol
);
580 fprintf(stderr
, "Mount tape volume %ld\n", (long)newvol
);
582 fprintf(stderr
, "Enter ``none'' if there are no more tapes\n");
584 fprintf(stderr
, "then enter volume name (default: %s) ", magtape
);
586 fprintf(stderr
, "otherwise enter tape name (default: %s) ", magtape
);
588 (void) fflush(stderr
);
589 if (fgets(buf
, TP_BSIZE
, terminal
))
593 if (!strcmp(buf
, "none\n")) {
597 if (buf
[0] != '\n') {
599 (void) strncpy(magtape
, buf
, sizeof(magtape
));
600 magtape
[sizeof(magtape
) - 1] = '\0';
601 if ((pos
= strchr(magtape
, '\n')))
602 magtape
[pos
- magtape
] = '\0';
605 #if defined(USE_QFA) && defined(sunos)
606 if (createtapeposflag
|| tapeposflag
) {
607 if (OpenSMTCmt(magtape
) < 0) {
616 mt
= rmtopen(magtape
, O_RDONLY
);
619 mt
= OPEN(magtape
, O_RDONLY
, 0);
622 fprintf(stderr
, "Cannot open %s\n", magtape
);
629 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
630 readtape_func
= readtape_set
;
636 if (gethead(&tmpbuf
) == FAIL
) {
637 Dprintf(stdout
, "header read failed at %ld blocks\n", (long)blksread
);
638 fprintf(stderr
, "tape is not dump tape\n");
641 blksread
= saved_blksread
;
642 tpblksread
= saved_tpblksread
;
645 if (tmpbuf
.c_volume
!= volno
) {
646 fprintf(stderr
, "Wrong volume (%d)\n", tmpbuf
.c_volume
);
649 blksread
= saved_blksread
;
650 tpblksread
= saved_tpblksread
;
653 if (tmpbuf
.c_date
!= dumpdate
|| tmpbuf
.c_ddate
!= dumptime
) {
654 fprintf(stderr
, "Wrong dump date\n\tgot: %s",
656 ctime(&tmpbuf
.c_date
));
658 ctime4(&tmpbuf
.c_date
));
660 fprintf(stderr
, "\twanted: %s", ctime(&dumpdate
));
663 blksread
= saved_blksread
;
664 tpblksread
= saved_tpblksread
;
667 tapesread
|= 1 << volno
;
669 * If continuing from the previous volume, skip over any
670 * blocks read already at the end of the previous volume.
672 * If coming to this volume at random, skip to the beginning
673 * of the next record.
676 fprintf(stderr
, "Dump tape is compressed.\n");
677 #if !defined(HAVE_ZLIB) && !defined(HAVE_BZLIB) && !defined(HAVE_LZO)
678 errx(1,"This restore version doesn't support decompression");
679 #endif /* !HAVE_ZLIB && !HAVE_BZLIB */
681 Dprintf(stdout
, "read %ld recs, tape starts with %ld\n",
682 tpblksread
- 1, (long)tmpbuf
.c_firstrec
);
683 if (tmpbuf
.c_type
== TS_TAPE
&& (tmpbuf
.c_flags
& DR_NEWHEADER
)) {
685 tpblksread
= tmpbuf
.c_firstrec
+ 1;
686 for (i
= tmpbuf
.c_count
; i
> 0; i
--)
688 } else if (tmpbuf
.c_firstrec
> 0 &&
689 tmpbuf
.c_firstrec
< tpblksread
- 1) {
691 * -1 since we've read the volume header
693 i
= tpblksread
- tmpbuf
.c_firstrec
- 1;
694 Dprintf(stderr
, "Skipping %ld duplicate record%s.\n",
695 (long)i
, i
> 1 ? "s" : "");
700 if (curfile
.action
== USING
) {
702 panic("active file into volume 1\n");
706 * Skip up to the beginning of the next record
708 if (tmpbuf
.c_type
== TS_TAPE
&& (tmpbuf
.c_flags
& DR_NEWHEADER
))
709 for (i
= tmpbuf
.c_count
; i
> 0; i
--)
711 (void) gethead(&spcl
);
715 siglongjmp(restart
, 1);
720 * Handle unexpected EOF.
726 if (gettingfile
&& curfile
.action
== USING
) {
727 printf("Warning: %s %s\n",
728 "End-of-input encountered while extracting", curfile
.name
);
730 curfile
.name
= "<name unknown>";
731 curfile
.action
= UNKNOWN
;
733 curfile
.ino
= maxino
;
736 siglongjmp(restart
, 1);
741 * handle multiple dumps per tape by skipping forward to the
749 if (dumpnum
== 1 || volno
!= 1)
752 errx(1, "Cannot have multiple dumps on pipe input");
754 tcom
.mt_count
= dumpnum
- 1;
757 if (rmtioctl(MTFSF
, dumpnum
- 1) < 0) {
758 fprintf(stderr
, "rmtioctl MTFSF: %s\n", strerror(errno
));
763 if (ioctl(mt
, (int)MTIOCTOP
, (char *)&tcom
) < 0) {
764 fprintf(stderr
, "rmtioctl MTFSF: %s\n", strerror(errno
));
766 /* warn("ioctl MTFSF"); */
774 Vprintf(stdout
, "Dump date: %s", ctime(&spcl
.c_date
));
775 Vprintf(stdout
, "Dumped from: %s",
776 (spcl
.c_ddate
== 0) ? "the epoch\n" : ctime(&spcl
.c_ddate
));
777 if (spcl
.c_host
[0] == '\0')
779 Vprintf(stdout
, "Level %d dump of %s on %s:%s\n",
780 spcl
.c_level
, spcl
.c_filesys
, spcl
.c_host
, spcl
.c_dev
);
781 Vprintf(stdout
, "Label: %s\n", spcl
.c_label
);
783 fprintf(stdout
, "Dump date: %s", ctime4(&spcl
.c_date
));
784 fprintf(stdout
, "Dumped from: %s",
785 (spcl
.c_ddate
== 0) ? "the epoch\n" : ctime4(&spcl
.c_ddate
));
786 if (spcl
.c_host
[0] == '\0')
788 fprintf(stdout
, "Level %d dump of %s on %s:%s\n",
789 spcl
.c_level
, spcl
.c_filesys
, spcl
.c_host
, spcl
.c_dev
);
790 fprintf(stdout
, "Label: %s\n", spcl
.c_label
);
799 if (volinfo
[1] == ROOTINO
) {
800 printf("Starting inode numbers by volume:\n");
801 for (i
= 1; i
< (int)TP_NINOS
&& volinfo
[i
] != 0; ++i
)
802 printf("\tVolume %d: %lu\n", i
, (unsigned long)volinfo
[i
]);
808 extractfile(struct entry
*ep
, int doremove
)
812 struct timeval timep
[2];
813 char *name
= myname(ep
);
815 /* If removal is requested (-r mode) do remove it unless
816 * we are extracting a metadata only inode */
817 if (spcl
.c_flags
& DR_METAONLY
) {
818 Vprintf(stdout
, "file %s is metadata only\n", name
);
823 ep
->e_flags
&= ~REMOVED
;
828 curfile
.action
= USING
;
829 #if defined(__linux__) || defined(sunos)
830 timep
[0].tv_sec
= curfile
.dip
->di_atime
.tv_sec
;
831 timep
[0].tv_usec
= curfile
.dip
->di_atime
.tv_usec
;
832 timep
[1].tv_sec
= curfile
.dip
->di_mtime
.tv_sec
;
833 timep
[1].tv_usec
= curfile
.dip
->di_mtime
.tv_usec
;
834 #else /* __linux__ || sunos */
835 timep
[0].tv_sec
= curfile
.dip
->di_atime
;
836 timep
[0].tv_usec
= curfile
.dip
->di_atimensec
/ 1000;
837 timep
[1].tv_sec
= curfile
.dip
->di_mtime
;
838 timep
[1].tv_usec
= curfile
.dip
->di_mtimensec
/ 1000;
839 #endif /* __linux__ */
840 mode
= curfile
.dip
->di_mode
;
841 flags
= curfile
.dip
->di_flags
;
842 switch (mode
& IFMT
) {
845 fprintf(stderr
, "%s: unknown file mode 0%o\n", name
, mode
);
851 uid_t luid
= curfile
.dip
->di_uid
;
852 gid_t lgid
= curfile
.dip
->di_gid
;
854 Vprintf(stdout
, "extract socket %s\n", name
);
858 if (! (spcl
.c_flags
& DR_METAONLY
)) {
860 struct sockaddr_un addr
;
865 if ((sk
= socket(AF_UNIX
, SOCK_DGRAM
, 0)) < 0) {
866 warn("%s: cannot create socket", name
);
869 addr
.sun_family
= AF_UNIX
;
870 strcpy(addr
.sun_path
, name
);
871 if (bind(sk
, (const struct sockaddr
*)&addr
, sizeof(struct sockaddr_un
)) < 0) {
872 warn("%s: cannot create socket", name
);
877 if (chown(name
, luid
, lgid
) < 0)
878 warn("%s: chown", name
);
879 if (chmod(name
, mode
) < 0)
880 warn("%s: chmod", name
);
885 (void) lsetflags(name
, flags
);
889 warn("%s: cannot call chflags", name
);
890 /* (void) chflags(name, flags); */
893 (void) chflags(name
, flags
);
903 if (ep
== NULL
|| ep
->e_flags
& EXTRACT
)
904 panic("unextracted directory %s\n", name
);
908 Vprintf(stdout
, "extract dir %s\n", name
);
909 ret
= genliteraldir(name
, curfile
.ino
);
917 uid_t luid
= curfile
.dip
->di_uid
;
918 gid_t lgid
= curfile
.dip
->di_gid
;
920 if (! (spcl
.c_flags
& DR_METAONLY
)) {
923 getfile(xtrlnkfile
, xtrlnkskip
);
926 "%s: zero length symbolic link (ignored)\n", name
);
929 if (linkit(lnkbuf
, name
, SYMLINK
) == FAIL
)
936 if (lchown(name
, luid
, lgid
) < 0)
937 warn("%s: lchown", name
);
945 uid_t luid
= curfile
.dip
->di_uid
;
946 gid_t lgid
= curfile
.dip
->di_gid
;
948 Vprintf(stdout
, "extract fifo %s\n", name
);
952 if (! (spcl
.c_flags
& DR_METAONLY
)) {
955 if (mkfifo(name
, mode
) < 0) {
956 warn("%s: cannot create fifo", name
);
960 if (chown(name
, luid
, lgid
) < 0)
961 warn("%s: chown", name
);
962 if (chmod(name
, mode
) < 0)
963 warn("%s: chmod", name
);
968 (void) lsetflags(name
, flags
);
972 warn("%s: cannot call chflags", name
);
973 /* (void) chflags(name, flags); */
976 (void) chflags(name
, flags
);
984 uid_t luid
= curfile
.dip
->di_uid
;
985 gid_t lgid
= curfile
.dip
->di_gid
;
986 int lrdev
= (int)curfile
.dip
->di_rdev
;
988 Vprintf(stdout
, "extract special file %s\n", name
);
992 if (! (spcl
.c_flags
& DR_METAONLY
)) {
995 if (mknod(name
, mode
, lrdev
) < 0) {
996 warn("%s: cannot create special file", name
);
1000 if (chown(name
, luid
, lgid
) < 0)
1001 warn("%s: chown", name
);
1002 if (chmod(name
, mode
) < 0)
1003 warn("%s: chmod", name
);
1005 utimes(name
, timep
);
1009 warn("%s: lsetflags called on a special file", name
);
1010 (void) lsetflags(name
, flags
);
1015 warn("%s: cannot call chflags on a special file", name
);
1016 /* (void) chflags(name, flags); */
1020 warn("%s: chflags called on a special file", name
);
1021 (void) chflags(name
, flags
);
1029 uid_t luid
= curfile
.dip
->di_uid
;
1030 gid_t lgid
= curfile
.dip
->di_gid
;
1032 Vprintf(stdout
, "extract file %s\n", name
);
1037 if (! (spcl
.c_flags
& DR_METAONLY
)) {
1040 if ((ofile
= OPEN(name
, O_WRONLY
| O_CREAT
| O_TRUNC
,
1042 warn("%s: cannot create file", name
);
1046 getfile(xtrfile
, xtrskip
);
1047 (void) close(ofile
);
1051 if (chown(name
, luid
, lgid
) < 0)
1052 warn("%s: chown", name
);
1053 if (chmod(name
, mode
) < 0)
1054 warn("%s: chmod", name
);
1056 utimes(name
, timep
);
1059 (void) lsetflags(name
, flags
);
1063 warn("%s: cannot call chflags", name
);
1064 /* (void) chflags(name, flags); */
1067 (void) chflags(name
, flags
);
1077 extractattr(char *path
)
1079 while (spcl
.c_flags
& DR_EXTATTRIBUTES
) {
1080 switch (spcl
.c_extattributes
) {
1081 case EXT_MACOSFNDRINFO
:
1083 (void)extractfinderinfoufs(path
);
1085 msg("MacOSX not supported in this version, skipping\n");
1089 case EXT_MACOSRESFORK
:
1091 (void)extractresourceufs(path
);
1093 msg("MacOSX not supported in this version, skipping\n");
1098 char xattr
[XATTR_MAXSIZE
];
1100 if (readxattr(xattr
) == GOOD
) {
1101 xattr_extract(path
, xattr
);
1106 msg("unexpected inode extension %ld, skipping\n", spcl
.c_extattributes
);
1116 extractfinderinfoufs(char *name
)
1119 char oFileRsrc
[MAXPATHLEN
];
1122 struct timeval timep
[2];
1125 char path
[MAXPATHLEN
], fname
[MAXPATHLEN
];
1127 curfile
.name
= name
;
1128 curfile
.action
= USING
;
1129 timep
[0].tv_sec
= curfile
.dip
->di_atime
.tv_sec
;
1130 timep
[0].tv_usec
= curfile
.dip
->di_atime
.tv_usec
;
1131 timep
[1].tv_sec
= curfile
.dip
->di_mtime
.tv_sec
;
1132 timep
[1].tv_usec
= curfile
.dip
->di_mtime
.tv_usec
;
1133 mode
= curfile
.dip
->di_mode
;
1134 flags
= curfile
.dip
->di_flags
;
1135 uid
= curfile
.dip
->di_uid
;
1136 gid
= curfile
.dip
->di_gid
;
1138 switch (mode
& IFMT
) {
1141 fprintf(stderr
, "%s: (extr. finfoufs) unknown file mode 0%o\n", name
, mode
);
1146 fprintf(stderr
, "%s: (extr. finfoufs[IFDIR]) unknown file mode 0%o\n", name
, mode
);
1155 Vprintf(stdout
, "extract finderinfo file %s\n", name
);
1160 getfile(xtrfilefinderinfo
, xtrskip
);
1162 GetPathFile(name
, path
, fname
);
1163 strcpy(oFileRsrc
, path
);
1164 strcat(oFileRsrc
, "._");
1165 strcat(oFileRsrc
, fname
);
1167 if ((err
= CreateAppleDoubleFileRes(oFileRsrc
, &gFndrInfo
.fndrinfo
,
1168 mode
, flags
, timep
, uid
, gid
)) != 0) {
1169 fprintf(stderr
, "%s: cannot create finderinfo: %s\n",
1170 name
, strerror(errno
));
1181 extractresourceufs(char *name
)
1183 char oFileRsrc
[MAXPATHLEN
];
1186 struct timeval timep
[2];
1187 char path
[MAXPATHLEN
], fname
[MAXPATHLEN
];
1197 curfile
.name
= name
;
1198 curfile
.action
= USING
;
1199 timep
[0].tv_sec
= curfile
.dip
->di_atime
.tv_sec
;
1200 timep
[0].tv_usec
= curfile
.dip
->di_atime
.tv_usec
;
1201 timep
[1].tv_sec
= curfile
.dip
->di_mtime
.tv_sec
;
1202 timep
[1].tv_usec
= curfile
.dip
->di_mtime
.tv_usec
;
1203 mode
= curfile
.dip
->di_mode
;
1204 flags
= curfile
.dip
->di_flags
;
1205 uid
= curfile
.dip
->di_uid
;
1206 gid
= curfile
.dip
->di_gid
;
1207 di_size
= curfile
.dip
->di_size
;
1209 switch (mode
& IFMT
) {
1212 fprintf(stderr
, "%s: (extr. resufs) unknown file mode 0%o\n", name
, mode
);
1217 fprintf(stderr
, "%s: (extr. resufs [IFDIR]) unknown file mode 0%o\n", name
, mode
);
1226 Vprintf(stdout
, "extract resource file %s\n", name
);
1232 GetPathFile(name
, path
, fname
);
1233 strcpy(oFileRsrc
, path
);
1234 strcat(oFileRsrc
, "._");
1235 strcat(oFileRsrc
, fname
);
1237 if ((ofile
= open(oFileRsrc
, O_RDONLY
, 0)) < 0) {
1238 fprintf(stderr
, "%s: cannot read finderinfo: %s\n",
1239 name
, strerror(errno
));
1243 read(ofile
, buf
, 70);
1244 (void) close(ofile
);
1246 hp
= (ASDHeaderPtr
)p
;
1249 p
+= sizeof(ASDHeader
) - CORRECT
;
1250 ep
= (ASDEntryPtr
)p
;
1251 /* the finderinfo entry */
1252 ep
->offset
+= sizeof(ASDEntry
);
1255 p
+= sizeof(ASDEntry
);
1256 /* the finderinfo data */
1257 bcopy(p
, p
+ sizeof(ASDEntry
), INFOLEN
);
1258 ep
= (ASDEntryPtr
)p
;
1259 /* the new resourcefork entry */
1260 ep
->entryID
= EntryRSRCFork
;
1261 ep
->offset
= loff
+ INFOLEN
;
1263 /* write the new appledouble entries to the file */
1264 if ((ofile
= open(oFileRsrc
, O_WRONLY
| O_CREAT
| O_TRUNC
, 0666)) < 0) {
1265 fprintf(stderr
, "%s: cannot create resource file: %s\n",
1266 name
, strerror(errno
));
1270 write(ofile
, buf
, 70 + sizeof(ASDEntry
));
1271 /* and add the resource data from tape */
1272 getfile(xtrfile
, xtrskip
);
1274 if (fchown(ofile
, uid
, gid
) < 0)
1275 warn("%s: fchown", name
);
1276 if (fchmod(ofile
, mode
) < 0)
1277 warn("%s: fchmod", name
);
1278 (void) close(ofile
);
1279 utimes(oFileRsrc
, timep
);
1280 (void) lsetflags(oFileRsrc
, flags
);
1285 #endif /* DUMP_MACOSX */
1288 readxattr(char *buffer
)
1291 msg("reading EA data for inode %lu\n", curfile
.ino
);
1293 curfile
.name
= "EA block";
1294 if (curfile
.dip
->di_size
> XATTR_MAXSIZE
) {
1295 fprintf(stderr
, "EA size too big (%ld)", (long)curfile
.dip
->di_size
);
1300 memset(xattrbuf
, 0, XATTR_MAXSIZE
);
1304 * ugly hack: cope with invalid spcl.c_addr[] records written by
1305 * old versions of dump.
1309 getfile(xtrxattr
, xtrnull
);
1313 memcpy(buffer
, xattrbuf
, XATTR_MAXSIZE
);
1319 * skip over bit maps on the tape
1325 while (spcl
.c_type
== TS_BITS
|| spcl
.c_type
== TS_CLRI
)
1330 * skip over a file on the tape
1336 curfile
.action
= SKIP
;
1337 getfile(xtrnull
, xtrnull
);
1341 * skip over any extended attributes.
1347 while (spcl
.c_flags
& DR_EXTATTRIBUTES
)
1352 * Extract a file from the tape.
1353 * When an allocated block is found it is passed to the fill function;
1354 * when an unallocated block (hole) is found, a zeroed buffer is passed
1355 * to the skip function.
1358 getfile(void (*fill
) __P((char *, size_t)), void (*skip
) __P((char *, size_t)))
1361 volatile int curblk
= 0;
1362 volatile quad_t size
= spcl
.c_dinode
.di_size
;
1363 volatile int last_write_was_hole
= 0;
1364 quad_t origsize
= size
;
1365 static char clearedbuf
[MAXBSIZE
];
1366 char buf
[MAXBSIZE
/ TP_BSIZE
][TP_BSIZE
];
1367 char junk
[TP_BSIZE
];
1369 if (spcl
.c_type
== TS_END
)
1370 panic("ran off end of tape\n");
1371 if (spcl
.c_magic
!= NFS_MAGIC
)
1372 panic("not at beginning of a file\n");
1373 if (!gettingfile
&& setjmp(restart
) != 0)
1377 for (i
= 0; i
< spcl
.c_count
; i
++) {
1378 if (readmapflag
|| spcl
.c_addr
[i
]) {
1379 readtape(&buf
[curblk
++][0]);
1380 if (curblk
== fssize
/ TP_BSIZE
) {
1381 (*fill
)((char *)buf
, (size_t)(size
> TP_BSIZE
?
1382 fssize
: (curblk
- 1) * TP_BSIZE
+ size
));
1384 last_write_was_hole
= 0;
1388 (*fill
)((char *)buf
, (size_t)(size
> TP_BSIZE
?
1390 (curblk
- 1) * TP_BSIZE
+ size
));
1393 (*skip
)(clearedbuf
, (long)(size
> TP_BSIZE
?
1395 last_write_was_hole
= 1;
1397 if ((size
-= TP_BSIZE
) <= 0) {
1398 for (i
++; i
< spcl
.c_count
; i
++)
1399 if (readmapflag
|| spcl
.c_addr
[i
])
1404 while (gethead(&spcl
) != GOOD
) {
1405 fprintf(stderr
, "Incorrect block for %s at %ld blocks\n",
1406 curfile
.name
, (long)blksread
);
1409 if (spcl
.c_type
== TS_ADDR
)
1412 "Missing address (header) block for %s at %ld blocks\n",
1413 curfile
.name
, (long)blksread
);
1416 (*fill
)((char *)buf
, (size_t)((curblk
* TP_BSIZE
) + size
));
1417 last_write_was_hole
= 0;
1420 fprintf(stderr
, "Missing blocks at the end of %s, assuming hole\n", curfile
.name
);
1422 size_t skp
= size
> TP_BSIZE
? TP_BSIZE
: size
;
1423 (*skip
)(clearedbuf
, skp
);
1426 last_write_was_hole
= 1;
1428 if (last_write_was_hole
) {
1429 if (FTRUNCATE(ofile
, origsize
) < 0)
1430 warn("%s: ftruncate", curfile
.name
);
1438 * Write out the next block of a file.
1441 xtrfile(char *buf
, size_t size
)
1446 if (write(ofile
, buf
, (int) size
) == -1)
1447 err(1, "write error extracting inode %lu, name %s\nwrite",
1448 (unsigned long)curfile
.ino
, curfile
.name
);
1453 xtrfilefinderinfo(char *buf
, size_t size
)
1455 bcopy(buf
, &gFndrInfo
, size
);
1457 #endif /* DUMP_MACOSX */
1460 * Skip over a hole in a file.
1464 xtrskip(UNUSED(char *buf
), size_t size
)
1467 if (LSEEK(ofile
, (OFF_T
)size
, SEEK_CUR
) == -1)
1468 err(1, "seek error extracting inode %lu, name %s\nlseek",
1469 (unsigned long)curfile
.ino
, curfile
.name
);
1473 * Collect the next block of a symbolic link.
1476 xtrlnkfile(char *buf
, size_t size
)
1480 if (pathlen
> MAXPATHLEN
) {
1481 buf
[size
- 1] = '\0';
1482 errx(1, "symbolic link name: %s->%s%s; too long %d",
1483 curfile
.name
, lnkbuf
, buf
, pathlen
);
1485 (void) strcat(lnkbuf
, buf
);
1486 lnkbuf
[pathlen
] = '\0';
1490 * Skip over a hole in a symbolic link (should never happen).
1494 xtrlnkskip(UNUSED(char *buf
), UNUSED(size_t size
))
1497 errx(1, "unallocated block in symbolic link %s", curfile
.name
);
1501 * Collect the next block of a bit map.
1504 xtrmap(char *buf
, size_t size
)
1507 memmove(map
, buf
, size
);
1512 * Skip over a hole in a bit map (should never happen).
1516 xtrmapskip(UNUSED(char *buf
), size_t size
)
1519 panic("hole in map\n");
1524 * Noop, when an extraction function is not needed.
1528 xtrnull(UNUSED(char *buf
), UNUSED(size_t size
))
1534 #if COMPARE_ONTHEFLY
1536 * Compare the next block of a file.
1539 xtrcmpfile(char *buf
, size_t size
)
1541 static char cmpbuf
[MAXBSIZE
];
1546 if (read(ifile
, cmpbuf
, size
) != (ssize_t
)size
) {
1547 fprintf(stderr
, "%s: size has changed.\n",
1553 if (memcmp(buf
, cmpbuf
, size
) != 0) {
1554 fprintf(stderr
, "%s: tape and disk copies are different\n",
1562 * Skip over a hole in a file.
1565 xtrcmpskip(UNUSED(char *buf
), size_t size
)
1567 static char cmpbuf
[MAXBSIZE
];
1573 if (read(ifile
, cmpbuf
, size
) != (ssize_t
)size
) {
1574 fprintf(stderr
, "%s: size has changed.\n",
1580 for (i
= 0; i
< (int)size
; ++i
)
1581 if (cmpbuf
[i
] != '\0') {
1582 fprintf(stderr
, "%s: tape and disk copies are different\n",
1588 #endif /* COMPARE_ONTHEFLY */
1591 xtrxattr(char *buf
, size_t size
)
1593 if (xattrlen
+ size
> XATTR_MAXSIZE
) {
1594 fprintf(stderr
, "EA size too big (%ld)", (long)xattrlen
+ size
);
1597 memcpy(xattrbuf
+ xattrlen
, buf
, size
);
1601 #if !COMPARE_ONTHEFLY
1603 do_cmpfiles(int fd_tape
, int fd_disk
, OFF_T size
)
1605 static char buf_tape
[BUFSIZ
];
1606 static char buf_disk
[BUFSIZ
];
1611 if ((n_tape
= read(fd_tape
, buf_tape
, sizeof(buf_tape
))) < 1) {
1612 close(fd_tape
), close(fd_disk
);
1613 panic("do_cmpfiles: unexpected EOF[1]");
1615 if ((n_disk
= read(fd_disk
, buf_disk
, sizeof(buf_tape
))) < 1) {
1616 close(fd_tape
), close(fd_disk
);
1617 panic("do_cmpfiles: unexpected EOF[2]");
1619 if (n_tape
!= n_disk
) {
1620 close(fd_tape
), close(fd_disk
);
1621 panic("do_cmpfiles: sizes different!");
1623 if (memcmp(buf_tape
, buf_disk
, (size_t)n_tape
) != 0) return (1);
1629 /* for debugging compare problems */
1630 #undef COMPARE_FAIL_KEEP_FILE
1633 #ifdef COMPARE_FAIL_KEEP_FILE
1634 /* return true if tapefile should be unlinked after compare */
1639 cmpfiles(char *tapefile
, char *diskfile
, struct STAT
*sbuf_disk
)
1641 struct STAT sbuf_tape
;
1642 int fd_tape
, fd_disk
;
1644 if (STAT(tapefile
, &sbuf_tape
) != 0) {
1645 panic("can't lstat tmp file %s: %s\n", tapefile
,
1650 if (sbuf_disk
->st_size
!= sbuf_tape
.st_size
) {
1652 "%s: size changed from %lld to %lld.\n",
1653 diskfile
, (long long)sbuf_tape
.st_size
, (long long)sbuf_disk
->st_size
);
1655 #ifdef COMPARE_FAIL_KEEP_FILE
1662 if ((fd_tape
= OPEN(tapefile
, O_RDONLY
)) < 0) {
1663 panic("can't open %s: %s\n", tapefile
, strerror(errno
));
1666 if ((fd_disk
= OPEN(diskfile
, O_RDONLY
)) < 0) {
1668 panic("can't open %s: %s\n", diskfile
, strerror(errno
));
1672 if (do_cmpfiles(fd_tape
, fd_disk
, sbuf_tape
.st_size
)) {
1673 fprintf(stderr
, "%s: tape and disk copies are different\n",
1678 #ifdef COMPARE_FAIL_KEEP_FILE
1679 /* rename the file to live in /tmp */
1680 /* rename `tapefile' to /tmp/<basename of diskfile> */
1682 char *p
= strrchr(diskfile
, '/');
1683 char newname
[MAXPATHLEN
];
1685 panic("can't find / in %s\n", diskfile
);
1687 snprintf(newname
, sizeof(newname
), "%s/debug/%s", tmpdir
, p
+ 1);
1688 if (rename(tapefile
, newname
)) {
1689 panic("rename from %s to %s failed: %s\n",
1693 fprintf(stderr
, "*** %s saved to %s\n",
1698 /* don't unlink the file (it's not there anymore */
1707 #ifdef COMPARE_FAIL_KEEP_FILE
1711 #endif /* !COMPARE_ONTHEFLY */
1714 compareattr(char *name
)
1718 while (spcl
.c_flags
& DR_EXTATTRIBUTES
) {
1719 switch (spcl
.c_extattributes
) {
1720 case EXT_MACOSFNDRINFO
:
1721 msg("MacOSX not supported for comparision in this version, skipping\n");
1724 case EXT_MACOSRESFORK
:
1725 msg("MacOSX not supported for comparision in this version, skipping\n");
1729 char xattr
[XATTR_MAXSIZE
];
1731 if (readxattr(xattr
) == GOOD
) {
1732 if (xattr_compare(name
, xattr
) == FAIL
)
1741 msg("unexpected inode extension %ld, skipping\n", spcl
.c_extattributes
);
1746 if (!xattr_done
&& xattr_compare(name
, NULL
) == FAIL
)
1750 #if !COMPARE_ONTHEFLY
1751 static char tmpfilename
[MAXPATHLEN
];
1755 comparefile(char *name
)
1761 unsigned long newflags
;
1764 #if !COMPARE_ONTHEFLY
1765 static char *tmpfile
= NULL
;
1768 curfile
.name
= name
;
1769 curfile
.action
= USING
;
1770 mode
= curfile
.dip
->di_mode
;
1771 flags
= curfile
.dip
->di_flags
;
1772 uid
= curfile
.dip
->di_uid
;
1773 gid
= curfile
.dip
->di_gid
;
1775 if ((mode
& IFMT
) == IFSOCK
) {
1776 Vprintf(stdout
, "skipped socket %s\n", name
);
1781 if ((r
= LSTAT(name
, &sb
)) != 0) {
1782 warn("unable to stat %s", name
);
1788 Vprintf(stdout
, "comparing %s (size: %lld, mode: 0%o)\n", name
,
1789 (long long)sb
.st_size
, mode
);
1791 if (sb
.st_mode
!= mode
) {
1792 fprintf(stderr
, "%s: mode changed from 0%o to 0%o.\n",
1793 name
, mode
& 07777, sb
.st_mode
& 07777);
1796 if (sb
.st_uid
!= uid
) {
1797 fprintf(stderr
, "%s: uid changed from %d to %d.\n",
1798 name
, uid
, sb
.st_uid
);
1801 if (sb
.st_gid
!= gid
) {
1802 fprintf(stderr
, "%s: gid changed from %d to %d.\n",
1803 name
, gid
, sb
.st_gid
);
1807 if (lgetflags(name
, &newflags
) < 0) {
1809 warn("%s: lgetflags failed", name
);
1814 if (newflags
!= flags
) {
1815 fprintf(stderr
, "%s: flags changed from 0x%08x to 0x%08lx.\n",
1816 name
, flags
, newflags
);
1821 if (spcl
.c_flags
& DR_METAONLY
) {
1825 switch (mode
& IFMT
) {
1840 char lbuf
[MAXPATHLEN
+ 1];
1843 if (!(sb
.st_mode
& S_IFLNK
)) {
1844 fprintf(stderr
, "%s: is no longer a symbolic link\n",
1851 getfile(xtrlnkfile
, xtrlnkskip
);
1854 "%s: zero length symbolic link (ignored)\n",
1859 if ((lsize
= readlink(name
, lbuf
, MAXPATHLEN
)) < 0) {
1860 panic("readlink of %s failed: %s\n", name
,
1865 if (strcmp(lbuf
, lnkbuf
) != 0) {
1867 "%s: symbolic link changed from %s to %s.\n",
1868 name
, lnkbuf
, lbuf
);
1878 if (!(sb
.st_mode
& (S_IFCHR
|S_IFBLK
))) {
1879 fprintf(stderr
, "%s: no longer a special file\n",
1886 if (sb
.st_rdev
!= (dev_t
)curfile
.dip
->di_rdev
) {
1888 "%s: device changed from %d,%d to %d,%d.\n",
1890 major(curfile
.dip
->di_rdev
),
1891 minor(curfile
.dip
->di_rdev
),
1901 #if COMPARE_ONTHEFLY
1902 if ((ifile
= OPEN(name
, O_RDONLY
)) < 0) {
1903 warn("can't open %s", name
);
1909 getfile(xtrcmpfile
, xtrcmpskip
);
1912 if (read(ifile
, &c
, 1) != 0) {
1913 fprintf(stderr
, "%s: size has changed.\n",
1923 if (tmpfile
== NULL
) {
1924 /* argument to mktemp() must not be in RO space: */
1925 snprintf(tmpfilename
, sizeof(tmpfilename
), "%s/restoreCXXXXXX", tmpdir
);
1926 tmpfile
= mktemp(&tmpfilename
[0]);
1928 if ((STAT(tmpfile
, &stemp
) == 0) && (unlink(tmpfile
) != 0)) {
1929 panic("cannot delete tmp file %s: %s\n",
1930 tmpfile
, strerror(errno
));
1932 if ((ofile
= OPEN(tmpfile
, O_WRONLY
| O_CREAT
| O_TRUNC
, 0600)) < 0) {
1933 panic("cannot create file temp file %s: %s\n",
1934 name
, strerror(errno
));
1936 getfile(xtrfile
, xtrskip
);
1937 (void) close(ofile
);
1938 #ifdef COMPARE_FAIL_KEEP_FILE
1939 if (cmpfiles(tmpfile
, name
, &sb
))
1942 cmpfiles(tmpfile
, name
, &sb
);
1945 #endif /* COMPARE_ONTHEFLY */
1952 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
1953 static void (*readtape_func
)(char *) = readtape_set
;
1956 * Read TP_BSIZE blocks from the input.
1957 * Handle read errors, and end of media.
1958 * Decompress compressed blocks.
1963 (*readtape_func
)(buf
); /* call the actual processing routine */
1967 * Set function pointer for readtape() routine. zflag and magtapein must
1968 * be correctly set before the first call to readtape().
1971 readtape_set(char *buf
)
1974 readtape_func
= readtape_uncompr
;
1978 readtape_func
= readtape_comprtape
;
1980 readtape_func
= readtape_comprfile
;
1985 #endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
1988 * This is the original readtape(), it's used for reading uncompressed input.
1989 * Read TP_BSIZE blocks from the input.
1990 * Handle read errors, and end of media.
1993 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
1994 readtape_uncompr(char *buf
)
1999 ssize_t rd
, newvol
, i
;
2000 int cnt
, seek_failed
;
2002 if (blkcnt
< numtrec
) {
2003 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2009 for (i
= 0; i
< ntrec
; i
++)
2010 ((struct s_spcl
*)&tapebuf
[i
* TP_BSIZE
])->c_magic
= 0;
2013 cnt
= ntrec
* TP_BSIZE
;
2016 if (createtapeposflag
)
2017 (void)GetTapePos(&curtapepos
);
2022 i
= rmtread(&tapebuf
[rd
], cnt
);
2025 i
= read(mt
, &tapebuf
[rd
], cnt
);
2028 * Check for mid-tape short read error.
2029 * If found, skip rest of buffer and start with the next.
2031 if (!pipein
&& numtrec
< ntrec
&& i
> 0) {
2032 Dprintf(stdout
, "mid-media short read error.\n");
2036 * Handle partial block read.
2038 if (pipein
&& i
== 0 && rd
> 0)
2040 else if (i
> 0 && i
!= ntrec
* TP_BSIZE
) {
2049 * Short read. Process the blocks read.
2051 if (i
% TP_BSIZE
!= 0)
2053 "partial block read: %ld should be %ld\n",
2054 (long)i
, ntrec
* TP_BSIZE
);
2055 numtrec
= i
/ TP_BSIZE
;
2059 * Handle read error.
2062 fprintf(stderr
, "Tape read error while ");
2063 switch (curfile
.action
) {
2065 fprintf(stderr
, "trying to set up tape\n");
2068 fprintf(stderr
, "trying to resynchronize\n");
2071 fprintf(stderr
, "restoring %s\n", curfile
.name
);
2074 fprintf(stderr
, "skipping over inode %lu\n",
2075 (unsigned long)curfile
.ino
);
2078 if (!yflag
&& !reply("continue"))
2080 i
= ntrec
* TP_BSIZE
;
2081 memset(tapebuf
, 0, (size_t)i
);
2084 seek_failed
= (rmtseek(i
, 1) < 0);
2087 seek_failed
= (LSEEK(mt
, i
, SEEK_CUR
) == (OFF_T
)-1);
2090 warn("continuation failed");
2091 if (!yflag
&& !reply("assume end-of-tape and continue"))
2097 * Handle end of tape.
2100 Vprintf(stdout
, "End-of-tape encountered\n");
2109 if (rd
% TP_BSIZE
!= 0)
2110 panic("partial block read: %d should be %d\n",
2111 rd
, ntrec
* TP_BSIZE
);
2113 memmove(&tapebuf
[rd
], &endoftapemark
, TP_BSIZE
);
2116 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2121 #if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
2124 * Read a compressed format block from a file or pipe and uncompress it.
2125 * Attempt to handle read errors, and end of file.
2128 readtape_comprfile(char *buf
)
2130 long rl
, size
, i
, ret
;
2132 struct tapebuf
*tpb
;
2134 if (blkcnt
< numtrec
) {
2135 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2140 /* need to read the next block */
2142 for (i
= 0; i
< ntrec
; i
++)
2143 ((struct s_spcl
*)&tapebuf
[i
* TP_BSIZE
])->c_magic
= 0;
2145 tpb
= (struct tapebuf
*) tapebuf
;
2147 /* read the block prefix */
2148 ret
= read_a_block(mt
, tapebuf
, PREFIXSIZE
, &rl
);
2149 converttapebuf(tpb
);
2151 if (Vflag
&& (ret
== 0 || rl
< (int)PREFIXSIZE
|| tpb
->length
== 0))
2158 if (size
> bufsize
) {
2159 /* something's wrong */
2160 Vprintf(stdout
, "Prefix size error, max size %d, got %ld\n",
2163 tpb
->length
= bufsize
;
2165 ret
= read_a_block(mt
, tpb
->buf
, size
, &rl
);
2169 tbufptr
= decompress_tapebuf(tpb
, rl
+ PREFIXSIZE
);
2170 if (tbufptr
== NULL
) {
2171 msg_read_error("File decompression error while");
2172 if (!yflag
&& !reply("continue"))
2174 memset(tapebuf
, 0, bufsize
);
2179 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2185 /* Errors while reading from a file or pipe are catastrophic. Since
2186 * there are no block boundaries, it's impossible to bypass the
2187 * block in error and find the start of the next block.
2190 /* It's possible to have multiple input files using -M
2191 * and -f file1,file2...
2193 Vprintf(stdout
, "End-of-File encountered\n");
2203 msg_read_error("Read error while");
2204 /* if (!yflag && !reply("continue")) */
2209 * Read compressed data from a tape and uncompress it.
2210 * Handle read errors, and end of media.
2211 * Since a tape consists of separate physical blocks, we try
2212 * to recover from errors by repositioning the tape to the next
2216 readtape_comprtape(char *buf
)
2220 struct tapebuf
*tpb
;
2223 if (blkcnt
< numtrec
) {
2224 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2229 /* need to read the next block */
2231 for (i
= 0; i
< ntrec
; i
++)
2232 ((struct s_spcl
*)&tapebuf
[i
* TP_BSIZE
])->c_magic
= 0;
2234 tpb
= (struct tapebuf
*) tapebuf
;
2236 /* read the block */
2237 size
= bufsize
+ PREFIXSIZE
;
2238 ret
= read_a_block(mt
, tapebuf
, size
, &rl
);
2242 converttapebuf(tpb
);
2243 tbufptr
= decompress_tapebuf(tpb
, rl
);
2244 if (tbufptr
== NULL
) {
2245 msg_read_error("Tape decompression error while");
2246 if (!yflag
&& !reply("continue"))
2248 memset(tapebuf
, 0, PREFIXSIZE
+ bufsize
);
2254 /* Handle errors: EOT switches to the next volume, other errors
2255 * attempt to position the tape to the next block.
2258 Vprintf(stdout
, "End-of-tape encountered\n");
2267 msg_read_error("Tape read error while");
2268 if (!yflag
&& !reply("continue"))
2270 memset(tapebuf
, 0, PREFIXSIZE
+ bufsize
);
2275 rl
= rmtioctl(MTFSR
, 1);
2281 rl
= ioctl(mt
, MTIOCTOP
, &tcom
);
2285 warn("continuation failed");
2286 if (!yflag
&& !reply("assume end-of-tape and continue"))
2288 ret
= 0; /* end of tape */
2294 memmove(buf
, &tbufptr
[(blkcnt
++ * TP_BSIZE
)], TP_BSIZE
);
2300 * Decompress a struct tapebuf into a buffer. readsize is the size read
2301 * from the tape/file and is used for error messages. Returns a pointer
2302 * to the location of the uncompressed buffer or NULL on errors.
2303 * Adjust numtrec and complain for a short block.
2306 decompress_tapebuf(struct tapebuf
*tpbin
, int readsize
)
2308 /* If zflag is on, all blocks have a struct tapebuf prefix */
2309 /* zflag gets set in setup() from the dump header */
2310 int cresult
, blocklen
;
2311 unsigned long worklen
;
2312 char *output
= NULL
,*reason
= NULL
, *lengtherr
= NULL
;
2314 /* build a length error message */
2315 blocklen
= tpbin
->length
;
2316 if (readsize
< blocklen
+ (int)PREFIXSIZE
)
2317 lengtherr
= "short";
2319 if (readsize
> blocklen
+ (int)PREFIXSIZE
)
2324 if (tpbin
->compressed
) {
2325 /* uncompress whatever we read, if it fails, complain later */
2326 if (tpbin
->flags
== COMPRESS_ZLIB
) {
2328 errx(1,"This restore version doesn't support zlib decompression");
2330 cresult
= uncompress(comprbuf
, &worklen
,
2331 tpbin
->buf
, blocklen
);
2337 reason
= "not enough memory";
2340 reason
= "buffer too small";
2343 reason
= "data error";
2348 if (cresult
== Z_OK
)
2352 #endif /* HAVE_ZLIB */
2354 if (tpbin
->flags
== COMPRESS_BZLIB
) {
2356 errx(1,"This restore version doesn't support bzlib decompression");
2358 unsigned int worklen2
= worklen
;
2359 cresult
= BZ2_bzBuffToBuffDecompress(
2360 comprbuf
, &worklen2
,
2361 tpbin
->buf
, blocklen
, 0, 0);
2368 reason
= "not enough memory";
2370 case BZ_OUTBUFF_FULL
:
2371 reason
= "buffer too small";
2374 case BZ_DATA_ERROR_MAGIC
:
2375 case BZ_UNEXPECTED_EOF
:
2376 reason
= "data error";
2381 if (cresult
== BZ_OK
)
2385 #endif /* HAVE_BZLIB */
2387 if (tpbin
->flags
== COMPRESS_LZO
) {
2389 errx(1,"This restore version doesn't support lzo decompression");
2391 lzo_uint worklen2
= worklen
;
2392 cresult
= lzo1x_decompress(tpbin
->buf
, blocklen
,
2393 comprbuf
, &worklen2
, NULL
);
2400 case LZO_E_EOF_NOT_FOUND
:
2401 reason
= "data error";
2406 if (cresult
== LZO_E_OK
)
2410 #endif /* HAVE_LZO */
2414 output
= tpbin
->buf
;
2418 numtrec
= worklen
/ TP_BSIZE
;
2419 if (worklen
% TP_BSIZE
!= 0)
2420 reason
= "length mismatch";
2424 fprintf(stderr
, "%s compressed block: %d expected: %lu\n",
2425 lengtherr
, readsize
, (unsigned long)tpbin
->length
+ PREFIXSIZE
);
2426 fprintf(stderr
, "decompression error, block %ld: %s\n",
2427 tpblksread
+1, reason
);
2435 * Print an error message for a read error.
2436 * This was exteracted from the original readtape().
2439 msg_read_error(char *m
)
2441 switch (curfile
.action
) {
2443 fprintf(stderr
, "%s trying to set up tape\n", m
);
2446 fprintf(stderr
, "%s trying to resynchronize\n", m
);
2449 fprintf(stderr
, "%s restoring %s\n", m
, curfile
.name
);
2452 fprintf(stderr
, "%s skipping over inode %lu\n", m
,
2453 (unsigned long)curfile
.ino
);
2457 #endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
2460 * Read the first block and get the blocksize from it. Test
2461 * for a compressed dump tape/file. setup() will make the final
2462 * determination by checking the compressed flag if gethead()
2463 * finds a valid header. The test here is necessary to offset the buffer
2464 * by the size of the compressed prefix. zflag is set here so that
2465 * readtape_set can set the correct function pointer for readtape().
2466 * Note that the first block of each tape/file is not compressed
2467 * and does not have a prefix.
2470 findtapeblksize(void)
2474 struct tapebuf
*tpb
= (struct tapebuf
*) tapebuf
;
2475 struct s_spcl spclpt
;
2477 for (i
= 0; i
< ntrec
; i
++)
2478 ((struct s_spcl
*)&tapebuf
[i
* TP_BSIZE
])->c_magic
= 0;
2482 * For a pipe or file, read in the first record. For a tape, read
2485 len
= magtapein
? ntrec
* TP_BSIZE
: TP_BSIZE
;
2487 if (read_a_block(mt
, tapebuf
, len
, &i
) <= 0)
2488 errx(1, "Tape read error on first record");
2490 memcpy(&spclpt
, tapebuf
, TP_BSIZE
);
2492 if (converthead(&spclpt
) == FAIL
) {
2494 if (converthead(&spclpt
) == FAIL
) {
2495 /* Special case for old compressed tapes with prefix */
2496 if (magtapein
&& (i
% TP_BSIZE
!= 0))
2498 errx(1, "Tape is not a dump tape");
2500 fprintf(stderr
, "Converting to new file system format.\n");
2503 * If the input is from a file or a pipe, we read TP_BSIZE
2504 * bytes looking for a dump header. If the dump is compressed
2505 * we need to read in the rest of the block, as determined
2506 * by c_ntrec in the dump header. The first block of the
2507 * dump is not compressed and does not have a prefix.
2510 if (spclpt
.c_type
== TS_TAPE
2511 && spclpt
.c_flags
& DR_COMPRESSED
) {
2512 /* It's a compressed dump file, read in the */
2513 /* rest of the block based on spclpt.c_ntrec. */
2514 if (spclpt
.c_ntrec
> ntrec
)
2515 errx(1, "Tape blocksize is too large, use "
2516 "\'-b %d\' ", spclpt
.c_ntrec
);
2517 ntrec
= spclpt
.c_ntrec
;
2518 len
= (ntrec
- 1) * TP_BSIZE
;
2522 /* read in the rest of the block based on bufsize */
2523 len
= bufsize
- TP_BSIZE
;
2525 if (read_a_block(mt
, tapebuf
+TP_BSIZE
, len
, &i
) < 0
2526 || (i
!= (long)len
&& i
% TP_BSIZE
!= 0))
2527 errx(1,"Error reading dump file header");
2530 Vprintf(stdout
, "Input block size is %ld\n", ntrec
);
2532 } /* if (!magtapein) */
2535 * If the input is a tape, we tried to read ntrec * TP_BSIZE bytes.
2536 * If the value of ntrec is too large, we read less than
2537 * what we asked for; adjust the value of ntrec and test for
2538 * a compressed dump tape.
2540 if (i
% TP_BSIZE
!= 0) {
2542 /* may be old format compressed dump tape with a prefix */
2543 memcpy(&spclpt
, tpb
->buf
, TP_BSIZE
);
2545 if (converthead(&spclpt
) == FAIL
) {
2547 if (converthead(&spclpt
) == FAIL
)
2548 errx(1, "Tape is not a dump tape");
2549 fprintf(stderr
, "Converting to new file system format.\n");
2551 if (i
% TP_BSIZE
== PREFIXSIZE
2552 && tpb
->compressed
== 0
2553 && spclpt
.c_type
== TS_TAPE
2554 && spclpt
.c_flags
& DR_COMPRESSED
) {
2557 if (tpb
->length
> bufsize
)
2558 errx(1, "Tape blocksize is too large, use "
2559 "\'-b %d\' ", tpb
->length
/ TP_BSIZE
);
2562 errx(1, "Tape block size (%ld) is not a multiple of dump block size (%d)",
2565 ntrec
= i
/ TP_BSIZE
;
2566 if (spclpt
.c_type
== TS_TAPE
) {
2567 if (spclpt
.c_flags
& DR_COMPRESSED
)
2569 if (spclpt
.c_ntrec
> ntrec
)
2570 errx(1, "Tape blocksize is too large, use "
2571 "\'-b %d\' ", spclpt
.c_ntrec
);
2574 Vprintf(stdout
, "Tape block size is %ld\n", ntrec
);
2578 * Read a block of data handling all of the messy details.
2580 static int read_a_block(int fd
, char *buf
, size_t len
, long *lengthread
)
2588 i
= rmtread(buf
, size
);
2591 i
= read(fd
, buf
, size
);
2594 break; /* EOD or error */
2597 break; /* block at a time for mt */
2600 *lengthread
= len
- size
;
2619 setmagtapein(void) {
2620 struct mtget mt_stat
;
2621 static int done
= 0;
2626 /* need to know if input is really from a tape */
2632 magtapein
= ioctl(mt
, MTIOCGET
, (char *)&mt_stat
) == 0;
2635 Vprintf(stdout
,"Input is from a %s %s\n",
2636 host
? "remote" : "local",
2637 magtapein
? "tape" :
2638 Vflag
? "multi-volume (no tape)" : "file/pipe");
2642 * Read the next block from the tape.
2643 * Check to see if it is one of several vintage headers.
2644 * If it is an old style header, convert it to a new style header.
2645 * If it is not any valid header, return an error.
2648 gethead(struct s_spcl
*buf
)
2650 readtape((char *)buf
);
2651 return converthead(buf
);
2655 converthead(struct s_spcl
*buf
)
2663 char dummy
[TP_BSIZE
];
2670 u_int16_t c_inumber
;
2675 u_int16_t odi_nlink
;
2691 if (buf
->c_magic
!= NFS_MAGIC
) {
2692 if (swabi(buf
->c_magic
) != NFS_MAGIC
)
2695 Vprintf(stdout
, "Note: Doing Byte swapping\n");
2699 if (checksum((int *)buf
) == FAIL
)
2702 swabst((u_char
*)"8i4s1l29i528bi192b4i", (u_char
*)buf
);
2705 memcpy(&u_ospcl
.s_ospcl
, buf
, TP_BSIZE
);
2706 if (checksum((int *)(&u_ospcl
.s_ospcl
)) == FAIL
)
2708 if (u_ospcl
.s_ospcl
.c_magic
== OFS_MAGIC
) {
2709 memset((char *)buf
, 0, (long)TP_BSIZE
);
2710 buf
->c_type
= u_ospcl
.s_ospcl
.c_type
;
2711 buf
->c_date
= u_ospcl
.s_ospcl
.c_date
;
2712 buf
->c_ddate
= u_ospcl
.s_ospcl
.c_ddate
;
2713 buf
->c_volume
= u_ospcl
.s_ospcl
.c_volume
;
2714 buf
->c_tapea
= u_ospcl
.s_ospcl
.c_tapea
;
2715 buf
->c_inumber
= u_ospcl
.s_ospcl
.c_inumber
;
2716 buf
->c_checksum
= u_ospcl
.s_ospcl
.c_checksum
;
2717 buf
->c_magic
= u_ospcl
.s_ospcl
.c_magic
;
2718 buf
->c_dinode
.di_mode
= u_ospcl
.s_ospcl
.c_dinode
.odi_mode
;
2719 buf
->c_dinode
.di_nlink
= u_ospcl
.s_ospcl
.c_dinode
.odi_nlink
;
2720 buf
->c_dinode
.di_uid
= u_ospcl
.s_ospcl
.c_dinode
.odi_uid
;
2721 buf
->c_dinode
.di_gid
= u_ospcl
.s_ospcl
.c_dinode
.odi_gid
;
2722 buf
->c_dinode
.di_size
= u_ospcl
.s_ospcl
.c_dinode
.odi_size
;
2723 buf
->c_dinode
.di_rdev
= u_ospcl
.s_ospcl
.c_dinode
.odi_rdev
;
2724 #if defined(__linux__) || defined(sunos)
2725 buf
->c_dinode
.di_atime
.tv_sec
= u_ospcl
.s_ospcl
.c_dinode
.odi_atime
;
2726 buf
->c_dinode
.di_mtime
.tv_sec
= u_ospcl
.s_ospcl
.c_dinode
.odi_mtime
;
2727 buf
->c_dinode
.di_ctime
.tv_sec
= u_ospcl
.s_ospcl
.c_dinode
.odi_ctime
;
2728 #else /* __linux__ || sunos */
2729 buf
->c_dinode
.di_atime
= u_ospcl
.s_ospcl
.c_dinode
.odi_atime
;
2730 buf
->c_dinode
.di_mtime
= u_ospcl
.s_ospcl
.c_dinode
.odi_mtime
;
2731 buf
->c_dinode
.di_ctime
= u_ospcl
.s_ospcl
.c_dinode
.odi_ctime
;
2732 #endif /* __linux__ || sunos */
2733 buf
->c_count
= u_ospcl
.s_ospcl
.c_count
;
2734 memmove(buf
->c_addr
, u_ospcl
.s_ospcl
.c_fill
, (long)256);
2736 else if (u_ospcl
.s_ospcl
.c_magic
== FS_UFS2_MAGIC
) {
2737 buf
->c_date
= (int32_t)(*(int64_t *)&u_ospcl
.dummy
[896]);
2738 buf
->c_ddate
= (int32_t)(*(int64_t *)&u_ospcl
.dummy
[904]);
2739 buf
->c_tapea
= (int32_t)(*(int64_t *)&u_ospcl
.dummy
[912]);
2740 buf
->c_firstrec
= (int32_t)(*(int64_t *)&u_ospcl
.dummy
[920]);
2742 buf
->c_extattributes
= 0;
2743 buf
->c_flags
|= DR_NEWINODEFMT
;
2748 buf
->c_magic
= NFS_MAGIC
;
2751 if ((buf
->c_dinode
.di_size
== 0 || buf
->c_dinode
.di_size
> 0xfffffff) &&
2752 (buf
->c_dinode
.di_mode
& IFMT
) == IFDIR
&& Qcvt
== 0) {
2753 qcvt
.qval
= buf
->c_dinode
.di_size
;
2754 if (qcvt
.val
[0] || qcvt
.val
[1]) {
2755 Vprintf(stdout
, "Note: Doing Quad swapping\n");
2760 qcvt
.qval
= buf
->c_dinode
.di_size
;
2762 qcvt
.val
[1] = qcvt
.val
[0];
2764 buf
->c_dinode
.di_size
= qcvt
.qval
;
2768 switch (buf
->c_type
) {
2773 * Have to patch up missing information in bit map headers
2776 buf
->c_dinode
.di_size
= buf
->c_count
* TP_BSIZE
;
2777 if (buf
->c_count
> TP_NINDIR
)
2780 for (i
= 0; i
< buf
->c_count
; i
++)
2785 if ((buf
->c_flags
& DR_NEWINODEFMT
) == 0)
2790 if (buf
->c_flags
& DR_INODEINFO
) {
2791 memcpy(volinfo
, buf
->c_inos
, TP_NINOS
* sizeof(dump_ino_t
));
2793 swabst((u_char
*)"128i", (u_char
*)volinfo
);
2802 panic("gethead: unknown inode type %d\n", buf
->c_type
);
2806 * If we are restoring a filesystem with old format inodes,
2807 * copy the uid/gid to the new location.
2810 buf
->c_dinode
.di_uid
= buf
->c_dinode
.di_ouid
;
2811 buf
->c_dinode
.di_gid
= buf
->c_dinode
.di_ogid
;
2819 converttapebuf(struct tapebuf
*tpb
)
2823 unsigned int length
:28;
2824 unsigned int flags
:3;
2825 unsigned int compressed
:1;
2827 swabst((u_char
*)"i", (u_char
*)tpb
);
2828 memcpy(&tb
, tpb
, 4);
2829 tpb
->length
= tb
.length
;
2830 tpb
->flags
= tb
.flags
;
2831 tpb
->compressed
= tb
.compressed
;
2836 * Check that a header is where it belongs and predict the next header
2839 accthdr(struct s_spcl
*header
)
2841 static dump_ino_t previno
= 0x7fffffff;
2842 static int prevtype
;
2843 static long predict
;
2846 if (header
->c_type
== TS_TAPE
) {
2847 fprintf(stderr
, "Volume header (%s inode format) ",
2848 oldinofmt
? "old" : "new");
2849 if (header
->c_firstrec
)
2850 fprintf(stderr
, "begins with record %d",
2851 header
->c_firstrec
);
2852 fprintf(stderr
, "\n");
2853 previno
= 0x7fffffff;
2856 if (previno
== 0x7fffffff)
2860 fprintf(stderr
, "Dumped inodes map header");
2863 fprintf(stderr
, "Used inodes map header");
2866 fprintf(stderr
, "File header, ino %lu", (unsigned long)previno
);
2869 fprintf(stderr
, "File continuation header, ino %ld", (long)previno
);
2872 fprintf(stderr
, "End of tape header");
2875 if (predict
!= blksread
- 1)
2876 fprintf(stderr
, "; predicted %ld blocks, got %ld blocks",
2877 predict
, blksread
- 1);
2878 fprintf(stderr
, "\n");
2881 if (header
->c_type
!= TS_END
)
2882 for (i
= 0; i
< header
->c_count
; i
++)
2883 if (readmapflag
|| header
->c_addr
[i
] != 0)
2887 prevtype
= header
->c_type
;
2888 previno
= header
->c_inumber
;
2892 * Find an inode header.
2893 * Complain if had to skip, and complain is set.
2896 findinode(struct s_spcl
*header
)
2898 static long skipcnt
= 0;
2902 curfile
.name
= "<name unknown>";
2903 curfile
.action
= UNKNOWN
;
2907 if (header
->c_magic
!= NFS_MAGIC
) {
2909 while (gethead(header
) == FAIL
||
2910 header
->c_date
!= dumpdate
)
2913 switch (header
->c_type
) {
2917 * Skip up to the beginning of the next record
2919 for (i
= 0; i
< header
->c_count
; i
++)
2920 if (header
->c_addr
[i
])
2922 while (gethead(header
) == FAIL
||
2923 header
->c_date
!= dumpdate
)
2928 curfile
.dip
= &header
->c_dinode
;
2929 curfile
.ino
= header
->c_inumber
;
2933 curfile
.ino
= maxino
;
2937 curfile
.name
= "<file removal list>";
2941 curfile
.name
= "<file dump list>";
2945 panic("unexpected tape header\n");
2949 panic("unknown tape header type %d\n", spcl
.c_type
);
2953 } while (header
->c_type
== TS_ADDR
);
2958 fprintf(stderr
, "resync restore, skipped %ld blocks\n",
2968 j
= sizeof(union u_spcl
) / sizeof(int);
2975 /* What happens if we want to read restore tapes
2976 for a 16bit int machine??? */
2982 if (i
!= CHECKSUM
) {
2983 fprintf(stderr
, "Checksum error %o, inode %lu file %s\n", i
,
2984 (unsigned long)curfile
.ino
, curfile
.name
);
2994 #include <varargs.h>
2999 msg(const char *fmt
, ...)
3012 (void)vfprintf(stderr
, fmt
, ap
);
3015 #endif /* RRESTORE */
3018 swab16(u_char
*sp
, int n
)
3023 c
= sp
[0]; sp
[0] = sp
[1]; sp
[1] = c
;
3030 swab32(u_char
*sp
, int n
)
3035 c
= sp
[0]; sp
[0] = sp
[3]; sp
[3] = c
;
3036 c
= sp
[1]; sp
[1] = sp
[2]; sp
[2] = c
;
3043 swab64(u_char
*sp
, int n
)
3048 c
= sp
[0]; sp
[0] = sp
[7]; sp
[7] = c
;
3049 c
= sp
[1]; sp
[1] = sp
[6]; sp
[6] = c
;
3050 c
= sp
[2]; sp
[2] = sp
[5]; sp
[5] = c
;
3051 c
= sp
[3]; sp
[3] = sp
[4]; sp
[4] = c
;
3058 swabst(u_char
*cp
, u_char
*sp
)
3064 case '0': case '1': case '2': case '3': case '4':
3065 case '5': case '6': case '7': case '8': case '9':
3066 n
= (n
* 10) + (*cp
++ - '0');
3069 case 's': case 'w': case 'h':
3087 default: /* Any other character, like 'b' counts as byte. */
3101 swabst((u_char
*)"i", (u_char
*)&x
);
3109 swabst((u_char
*)"l", (u_char
*)&x
);
3115 RequestVol(long tnum
)
3126 int uscsi_flags
; /* read, write, etc. see below */
3127 short uscsi_status
; /* resulting status */
3128 short uscsi_timeout
; /* Command Timeout */
3129 caddr_t uscsi_cdb
; /* cdb to send to target */
3130 caddr_t uscsi_bufaddr
; /* i/o source/destination */
3131 u_int uscsi_buflen
; /* size of i/o to take place */
3132 u_int uscsi_resid
; /* resid from i/o operation */
3133 u_char uscsi_cdblen
; /* # of valid cdb bytes */
3134 u_char uscsi_rqlen
; /* size of uscsi_rqbuf */
3135 u_char uscsi_rqstatus
; /* status of request sense cmd */
3136 u_char uscsi_rqresid
; /* resid of request sense cmd */
3137 caddr_t uscsi_rqbuf
; /* request sense buffer */
3138 void *uscsi_reserved_5
; /* Reserved for Future Use */
3141 #define CDB_GROUP0 6 /* 6-byte cdb's */
3142 #define CDB_GROUP1 10 /* 10-byte cdb's */
3143 #define CDB_GROUP2 10 /* 10-byte cdb's */
3144 #define CDB_GROUP3 0 /* reserved */
3145 #define CDB_GROUP4 16 /* 16-byte cdb's */
3146 #define CDB_GROUP5 12 /* 12-byte cdb's */
3147 #define CDB_GROUP6 0 /* reserved */
3148 #define CDB_GROUP7 0 /* reserved */
3150 #define USCSI_WRITE 0x00000 /* send data to device */
3151 #define USCSI_SILENT 0x00001 /* no error messages */
3152 #define USCSI_DIAGNOSE 0x00002 /* fail if any error occurs */
3153 #define USCSI_ISOLATE 0x00004 /* isolate from normal commands */
3154 #define USCSI_READ 0x00008 /* get data from device */
3155 #define USCSI_RESET 0x04000 /* Reset target */
3156 #define USCSI_RESET_ALL 0x08000 /* Reset all targets */
3157 #define USCSI_RQENABLE 0x10000 /* Enable Request Sense extensions */
3159 #define USCSIIOC (0x04 << 8)
3160 #define USCSICMD (USCSIIOC|201) /* user scsi command */
3162 #define USCSI_TIMEOUT 30
3163 #define USCSI_SHORT_TIMEOUT 900
3164 #define USCSI_LONG_TIMEOUT 14000
3166 #define B(s,i) ((unsigned char)((s) >> i))
3167 #define B1(s) ((unsigned char)(s))
3169 #define MSB4(s,v) *(s)=B(v,24),(s)[1]=B(v,16), (s)[2]=B(v,8), (s)[3]=B1(v)
3173 GetTapePos(long long *pos
)
3176 struct uscsi_cmd scmd
;
3181 (void)memset((void *)buf
, 0, sizeof(buf
));
3182 (void)memset((void *)&scmd
, 0, sizeof(scmd
));
3183 scmd
.uscsi_flags
= USCSI_READ
|USCSI_SILENT
;
3184 scmd
.uscsi_timeout
= USCSI_TIMEOUT
;
3185 scmd
.uscsi_cdb
= buf
;
3186 scmd
.uscsi_cdblen
= CDB_GROUP1
;
3187 buf
[0] = 0x34; /* read position */
3189 (void)memset((void *)parm
, 0, 512);
3190 scmd
.uscsi_bufaddr
= parm
;
3191 scmd
.uscsi_buflen
= 56;
3192 if (ioctl(fdsmtc
, USCSICMD
, &scmd
) == -1) {
3196 (void)memcpy(&lpos
, &parm
[4], sizeof(long));
3202 GotoTapePos(long long pos
)
3205 struct uscsi_cmd scmd
;
3208 long lpos
= (long)pos
;
3210 (void)memset((void *)buf
, 0, sizeof(buf
));
3211 (void)memset((void *)&scmd
, 0, sizeof(scmd
));
3212 scmd
.uscsi_flags
= USCSI_WRITE
|USCSI_SILENT
;
3213 scmd
.uscsi_timeout
= 360; /* 5 Minutes */
3214 scmd
.uscsi_cdb
= buf
;
3215 scmd
.uscsi_cdblen
= CDB_GROUP1
;
3216 buf
[0] = 0x2b; /* locate */
3218 MSB4(&buf
[3], lpos
);
3219 (void)memset((void *)parm
, 0, 512);
3220 scmd
.uscsi_bufaddr
= NULL
;
3221 scmd
.uscsi_buflen
= 0;
3222 if (ioctl(fdsmtc
, USCSICMD
, &scmd
) == -1) {
3230 #define LSEEK_GET_TAPEPOS 10
3231 #define LSEEK_GO2_TAPEPOS 11
3234 typedef struct mt_pos
{
3237 } MTPosRec
, *MTPosPtr
;
3241 * get the current position of the tape
3244 GetTapePos(long long *pos
)
3250 *pos
= (long long) rmtseek((OFF_T
)0, (int)LSEEK_GET_TAPEPOS
);
3259 err
= (ioctl(mt
, MTIOCPOS
, &mtpos
) < 0);
3260 *pos
= (long long)mtpos
;
3263 *pos
= LSEEK(mt
, 0, SEEK_CUR
);
3269 fprintf(stdout
, "[%ld] error: %d (getting tapepos: %lld)\n",
3270 (unsigned long)getpid(), err
, *pos
);
3277 * go to specified position on tape
3280 GotoTapePos(long long pos
)
3286 err
= (rmtseek((OFF_T
)pos
, (int)LSEEK_GO2_TAPEPOS
) < 0);
3293 buf
.mt_count
= (int) pos
;
3294 err
= (ioctl(mt
, MTIOCTOP
, &buf
) < 0);
3297 pos
= LSEEK(mt
, pos
, SEEK_SET
);
3303 fprintf(stdout
, "[%ld] error: %d (setting tapepos: %lld)\n",
3304 (unsigned long)getpid(), err
, pos
);
3309 #endif /* __linux__ */
3312 * read next data from tape to re-sync
3315 ReReadFromTape(void)
3319 if (gethead(&spcl
) == FAIL
) {
3321 fprintf(stdout
, "DEBUG 1 gethead failed\n");
3329 ReReadInodeFromTape(dump_ino_t theino
)
3338 } while (!(spcl
.c_inumber
== theino
&& spcl
.c_type
== TS_INODE
&& spcl
.c_date
== dumpdate
));
3340 fprintf(stderr
, "DEBUG: %ld reads\n", cntloop
);
3341 fprintf(stderr
, "DEBUG: bufsize %ld\n", bufsize
);
3342 fprintf(stderr
, "DEBUG: ntrec %ld\n", ntrec
);
3343 fprintf(stderr
, "DEBUG: %ld reads\n", cntloop
);
3351 OpenSMTCmt(char *themagtape
)
3353 if (GetSCSIIDFromPath(themagtape
, &scsiid
)) {
3354 fprintf(stderr
, "can't get SCSI-ID for %s\n", themagtape
);
3358 fprintf(stderr
, "can't get SCSI-ID for %s\n", themagtape
);
3361 sprintf(smtcpath
, "/dev/rsmtc%ld,0", scsiid
);
3362 if ((fdsmtc
= open(smtcpath
, O_RDWR
)) == -1) {
3363 fprintf(stderr
, "can't open smtc device: %s, %d\n", smtcpath
, errno
);
3369 #endif /* USE_QFA */