]>
git.wh0rd.org - dump.git/blob - dump/main.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) 1980, 1991, 1993, 1994
11 * The Regents of the University of California. All rights reserved.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 static const char rcsid
[] =
40 "$Id: main.c,v 1.95 2009/06/18 09:35:14 stelian Exp $";
44 #include <compatlfs.h>
46 #include <compaterr.h>
57 #include <sys/param.h>
61 #include <linux/types.h>
62 #ifdef HAVE_EXT2FS_EXT2_FS_H
63 #include <ext2fs/ext2_fs.h>
65 #include <linux/ext2_fs.h>
67 #include <ext2fs/ext2fs.h>
69 #include <bsdcompat.h>
70 #include <linux/fs.h> /* for definition of BLKFLSBUF */
72 #include <sys/vnode.h>
74 #include <ufs/inode.h>
77 #include <ufs/ufs/dinode.h>
78 #include <ufs/ffs/fs.h>
81 #include <protocols/dumprestore.h>
84 #include "pathnames.h"
88 #define SBOFF (SBLOCK * DEV_BSIZE)
91 int abortifconnerr
= 1; /* set to 1 if lib dumprmt.o should exit on connection errors
92 otherwise just print a message using msg */
94 * Dump maps used to describe what is to be dumped.
96 int mapsize
; /* size of the state maps */
97 char *usedinomap
; /* map of allocated inodes */
98 char *dumpdirmap
; /* map of directories to be dumped */
99 char *dumpinomap
; /* map of files to be dumped */
100 char *metainomap
; /* which of the inodes in dumpinomap will get
101 only their metadata dumped */
103 const char *disk
; /* name of the disk file */
104 char tape
[MAXPATHLEN
];/* name of the tape file */
105 char *tapeprefix
; /* prefix of the tape file */
106 char *dumpdates
; /* name of the file containing dump date information*/
107 char lastlevel
[NUM_STR_SIZE
];/* dump level of previous dump */
108 char level
[NUM_STR_SIZE
];/* dump level of this dump */
109 int zipflag
; /* which compression method */
110 int Afile
= -1; /* archive file descriptor */
111 int AfileActive
= 1;/* Afile flag */
112 int uflag
; /* update flag */
113 int mflag
; /* dump metadata only if possible */
114 int Mflag
; /* multi-volume flag */
115 int qflag
; /* quit on errors flag */
116 int vflag
; /* verbose flag */
117 int breademax
= 32; /* maximum number of bread errors before we quit */
118 char *eot_script
; /* end of volume script fiag */
119 int diskfd
; /* disk file descriptor */
120 int tapefd
; /* tape file descriptor */
121 int pipeout
; /* true => output to standard output */
122 int fifoout
; /* true => output to fifo */
123 dump_ino_t curino
; /* current inumber; used globally */
124 int newtape
; /* new tape flag */
125 int density
; /* density in 0.1" units */
126 long tapesize
; /* estimated tape size, blocks */
127 long tsize
; /* tape size in 0.1" units */
128 long asize
; /* number of 0.1" units written on current tape */
129 int etapes
; /* estimated number of tapes */
130 int nonodump
; /* if set, do not honor UF_NODUMP user flags */
131 int unlimited
; /* if set, write to end of medium */
132 int compressed
; /* if set, dump is to be compressed */
133 long long bytes_written
;/* total bytes written to tape */
134 long uncomprblks
; /* uncompressed blocks written to tape */
135 int notify
; /* notify operator flag */
136 int blockswritten
; /* number of blocks written on current tape */
137 int tapeno
; /* current tape number */
138 time_t tstart_writing
; /* when started writing the first tape block */
139 time_t tend_writing
; /* after writing the last tape block */
143 struct fs
*sblock
; /* the file system super block */
144 char sblock_buf
[MAXBSIZE
];
146 long xferrate
; /* averaged transfer rate of all volumes */
147 long dev_bsize
; /* block size of underlying disk device */
148 int dev_bshift
; /* log2(dev_bsize) */
149 int tp_bshift
; /* log2(TP_BSIZE) */
150 dump_ino_t volinfo
[TP_NINOS
];/* which inode on which volume archive info */
156 int32_t gThisDumpDate
;
159 struct dumptime
*dthead
; /* head of the list version */
160 int nddates
; /* number of records (might be zero) */
161 int ddates_in
; /* we have read the increment file */
162 struct dumpdates
**ddatev
; /* the arrayfied version */
164 int notify
= 0; /* notify operator flag */
165 int blockswritten
= 0; /* number of blocks written on current tape */
166 int tapeno
= 0; /* current tape number */
167 int density
= 0; /* density in bytes/0.1" " <- this is for hilit19 */
168 int ntrec
= NTREC
; /* # blocks in each tape record */
169 int cartridge
= 0; /* Assume non-cartridge tape */
171 int tapepos
= 0; /* assume no QFA tapeposition needed by user */
173 int dokerberos
= 0; /* Use Kerberos authentication */
174 long dev_bsize
= 1; /* recalculated below */
175 long *blocksperfiles
= NULL
; /* output blocks per file(s) */
176 char *host
= NULL
; /* remote host (if any) */
177 int sizest
= 0; /* return size estimate only */
178 int compressed
= 0; /* use zlib to compress the output, compress level 1-9 */
179 long long bytes_written
= 0; /* total bytes written */
180 long uncomprblks
= 0;/* uncompressed blocks written */
188 int maxbsize
= 1024*1024; /* XXX MAXBSIZE from sys/param.h */
189 static long numarg
__P((const char *, long, long));
190 static long *numlistarg
__P((const char *, long, long));
191 static void obsolete
__P((int *, char **[]));
192 static void usage
__P((void));
193 static void do_exclude_from_file
__P((char *));
194 static void do_exclude_ino_str
__P((char *));
195 static void incompat_flags
__P((int, char, char));
197 static char* iexclude_bitmap
= NULL
; /* the inode exclude bitmap */
198 static unsigned int iexclude_bitmap_bytes
= 0; /* size of bitmap in bytes */
201 main(int argc
, char *argv
[])
209 int i
, anydirskipped
;
210 int aflag
= 0, bflag
= 0, Tflag
= 0, honorlevel
= 1;
216 char directory
[MAXPATHLEN
];
217 char pathname
[MAXPATHLEN
];
223 spcl
.c_label
[0] = '\0';
224 spcl
.c_date
= time(NULL
);
227 __progname
= argv
[0];
229 initialize_ext2_error_table();
232 tsize
= 0; /* Default later, based on 'c' option for cart tapes */
235 if ((tapeprefix
= getenv("TAPE")) == NULL
)
236 tapeprefix
= _PATH_DEFTAPE
;
237 dumpdates
= _PATH_DUMPDATES
;
238 if (TP_BSIZE
/ DEV_BSIZE
== 0 || TP_BSIZE
% DEV_BSIZE
!= 0)
239 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
240 memset(&lastlevel
, 0, NUM_STR_SIZE
);
241 memset(&level
, 0, NUM_STR_SIZE
);
242 /* Default dump level is zero. */
248 obsolete(&argc
, &argv
);
254 while ((ch
= getopt(argc
, argv
,
255 "0123456789A:aB:b:cd:D:e:E:f:F:h:I:"
277 case '0': case '1': case '2': case '3': case '4':
278 case '5': case '6': case '7': case '8': case '9':
279 if ((pch
>= '0') && (pch
<= '9') && (strlen(level
) < NUM_STR_SIZE
))
280 level
[strlen(level
)] = ch
;
286 case 'A': /* archive file */
290 case 'a': /* `auto-size', Write to EOM. */
295 case 'B': /* blocks per output file */
297 blocksperfiles
= numlistarg("number of blocks per file",
301 case 'b': /* blocks per tape write */
302 ntrec
= numarg("number of blocks per write",
304 if (ntrec
> maxbsize
/1024) {
305 msg("Please choose a blocksize <= %dkB\n",
307 msg("The ENTIRE dump is aborted.\n");
313 case 'c': /* Tape is cart. not 9-track */
318 case 'd': /* density, in bits per inch */
320 density
= numarg("density", 10L, 327670L) / 10;
321 if (density
>= 625 && !bflag
)
322 ntrec
= HIGHDENSITYTREC
;
325 case 'D': /* path of dumpdates file */
330 case 'e': /* exclude an inode */
332 char *p
= optarg
, *q
;
333 while ((q
= strchr(p
, ','))) {
335 do_exclude_ino_str(p
);
338 do_exclude_ino_str(p
);
342 case 'E': /* exclude inodes read from file */
343 do_exclude_from_file(optarg
);
346 case 'f': /* output file */
350 case 'F': /* end of tape script */
355 honorlevel
= numarg("honor level", 0L, 10L);
361 zipflag
= COMPRESS_BZLIB
;
363 compressed
= numarg("compress level", 1L, 9L);
365 #endif /* HAVE_BZLIB */
369 numarg ("number of errors to ignore", 0L, 0L);
380 * Note that although there are LBLSIZE characters,
381 * the last must be '\0', so the limit on strlen()
382 * is really LBLSIZE-1.
384 strncpy(spcl
.c_label
, optarg
, LBLSIZE
);
385 spcl
.c_label
[LBLSIZE
-1] = '\0';
386 if (strlen(optarg
) > LBLSIZE
-1) {
388 "WARNING Label `%s' is larger than limit of %d characters.\n",
390 msg("WARNING: Using truncated label `%s'.\n",
395 case 'm': /* metadata only flag */
399 case 'M': /* multi-volume flag */
403 case 'n': /* notify operators */
412 case 'Q': /* create tapeposfile */
413 gTapeposfile
= optarg
;
418 case 's': /* tape size, feet */
420 tsize
= numarg("tape size", 1L, 0L) * 12 * 10;
424 sizest
= 1; /* return size estimate only */
427 case 'T': /* time of last dump */
428 spcl
.c_ddate
= unctime(optarg
);
429 if (spcl
.c_ddate
< 0) {
430 msg("bad time \"%s\"\n", optarg
);
431 msg("The ENTIRE dump is aborted.\n");
435 lastlevel
[0] = '?'; lastlevel
[1] = '\0';
438 case 'u': /* update dumpdates */
442 case 'v': /* verbose */
446 case 'W': /* what to do */
449 exit(X_FINOK
); /* do nothing else */
453 zipflag
= COMPRESS_LZO
;
455 #endif /* HAVE_LZO */
460 zipflag
= COMPRESS_ZLIB
;
462 compressed
= numarg("compress level", 1L, 9L);
464 #endif /* HAVE_ZLIB */
473 msg("Must specify disk or filesystem\n");
474 msg("The ENTIRE dump is aborted.\n");
478 if (strlen(diskparam
) >= MAXPATHLEN
) {
479 msg("Disk or filesystem name too long: %s\n", diskparam
);
480 msg("The ENTIRE dump is aborted.\n");
484 incompat_flags(Tflag
&& uflag
, 'T', 'u');
485 incompat_flags(aflag
&& blocksperfiles
, 'a', 'B');
486 incompat_flags(aflag
&& cartridge
, 'a', 'c');
487 incompat_flags(aflag
&& density
, 'a', 'd');
488 incompat_flags(aflag
&& tsize
, 'a', 's');
490 if (strcmp(tapeprefix
, "-") == 0) {
492 tapeprefix
= "standard output";
495 if (blocksperfiles
&& !compressed
)
496 for (i
= 1; i
<= *blocksperfiles
; i
++)
497 blocksperfiles
[i
] = blocksperfiles
[i
] / ntrec
* ntrec
; /* round down */
498 else if (!unlimited
) {
500 * Determine how to default tape size and density
503 * 9-track 1600 bpi (160 bytes/.1") 2300 ft.
504 * 9-track 6250 bpi (625 bytes/.1") 2300 ft.
505 * cartridge 8000 bpi (100 bytes/.1") 1700 ft.
507 * hilit19 hits again: "
510 density
= cartridge
? 100 : 160;
512 tsize
= cartridge
? 1700L*120L : 2300L*120L;
519 if ((n
= strchr(tapeprefix
, ':'))) {
520 for (i
= 0; i
< (n
- tapeprefix
); i
++) {
521 if (tapeprefix
[i
] == '/')
524 if (tapeprefix
[i
] != '/') {
526 tapeprefix
= strchr(host
, ':');
527 *tapeprefix
++ = '\0';
529 if (index(tapeprefix
, '\n')) {
530 msg("invalid characters in tape\n");
531 msg("The ENTIRE dump is aborted.\n");
534 if (rmthost(host
) == 0)
537 msg("remote dump not enabled\n");
538 msg("The ENTIRE dump is aborted.\n");
545 (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
546 if (Apath
&& (Afile
= open(Apath
, O_WRONLY
|O_CREAT
|O_TRUNC
,
547 S_IRUSR
| S_IWUSR
| S_IRGRP
|
548 S_IWGRP
| S_IROTH
| S_IWOTH
)) < 0) {
549 msg("Cannot open %s for writing: %s\n",
550 optarg
, strerror(errno
));
551 msg("The ENTIRE dump is aborted.\n");
555 if (signal(SIGHUP
, SIG_IGN
) != SIG_IGN
)
557 if (signal(SIGTRAP
, SIG_IGN
) != SIG_IGN
)
558 signal(SIGTRAP
, sig
);
559 if (signal(SIGFPE
, SIG_IGN
) != SIG_IGN
)
561 if (signal(SIGBUS
, SIG_IGN
) != SIG_IGN
)
563 if (signal(SIGSEGV
, SIG_IGN
) != SIG_IGN
)
564 signal(SIGSEGV
, sig
);
565 if (signal(SIGTERM
, SIG_IGN
) != SIG_IGN
)
566 signal(SIGTERM
, sig
);
567 if (signal(SIGINT
, interrupt
) == SIG_IGN
)
568 signal(SIGINT
, SIG_IGN
);
570 signal(SIGXCPU
, SIG_IGN
);
573 signal(SIGXFSZ
, SIG_IGN
);
576 set_operators(); /* /etc/group snarfed */
577 getfstab(); /* /etc/fstab snarfed */
580 * disk may end in / and this can confuse
583 i
= strlen(diskparam
) - 1;
584 if (i
> 1 && diskparam
[i
] == '/')
585 if (!(i
== 6 && !strcmp(diskparam
, "LABEL=/")))
588 disk
= get_device_name(diskparam
);
590 disk
= strdup(diskparam
);
593 * disk can be either the full special file name,
594 * the suffix of the special file name,
595 * the special name missing the leading '/',
596 * the file system name with or without the leading '/'.
598 if ((dt
= fstabsearch(disk
)) != NULL
) {
599 /* if found then only one parameter (i.e. partition)
602 (void)fprintf(stderr
, "Unknown arguments to dump:");
604 (void)fprintf(stderr
, " %s", *argv
++);
605 (void)fprintf(stderr
, "\n");
606 msg("The ENTIRE dump is aborted.\n");
609 disk
= rawname(dt
->mnt_fsname
);
610 (void)strncpy(spcl
.c_dev
, dt
->mnt_fsname
, NAMELEN
);
611 (void)strncpy(spcl
.c_filesys
, dt
->mnt_dir
, NAMELEN
);
615 if (realpath(disk
, pathname
) == NULL
)
617 strcpy(pathname
, disk
);
619 * The argument could be now a mountpoint of
620 * a filesystem specified in fstab. Search for it.
622 if ((dt
= fstabsearch(pathname
)) != NULL
) {
623 disk
= rawname(dt
->mnt_fsname
);
624 (void)strncpy(spcl
.c_dev
, dt
->mnt_fsname
, NAMELEN
);
625 (void)strncpy(spcl
.c_filesys
, dt
->mnt_dir
, NAMELEN
);
628 * The argument was not found in the fstab
629 * assume that this is a subtree and search for it
631 dt
= fstabsearchdir(pathname
, directory
);
633 char name
[MAXPATHLEN
];
634 (void)strncpy(spcl
.c_dev
, dt
->mnt_fsname
, NAMELEN
);
635 (void)snprintf(name
, sizeof(name
), "%s (dir %s)",
636 dt
->mnt_dir
, directory
);
637 (void)strncpy(spcl
.c_filesys
, name
, NAMELEN
);
638 disk
= rawname(dt
->mnt_fsname
);
640 (void)strncpy(spcl
.c_dev
, disk
, NAMELEN
);
641 (void)strncpy(spcl
.c_filesys
, "an unlisted file system",
646 (void)strncpy(spcl
.c_dev
, disk
, NAMELEN
);
647 (void)strncpy(spcl
.c_filesys
, "an unlisted file system",
652 if (directory
[0] != 0) {
653 if (atoi(level
) != 0) {
654 msg("Only level 0 dumps are allowed on a subdirectory\n");
655 msg("The ENTIRE dump is aborted.\n");
659 msg("You can't update the dumpdates file when dumping a subdirectory\n");
660 msg("The ENTIRE dump is aborted.\n");
664 spcl
.c_dev
[NAMELEN
-1] = '\0';
665 spcl
.c_filesys
[NAMELEN
-1] = '\0';
666 (void)gethostname(spcl
.c_host
, NAMELEN
);
667 spcl
.c_host
[NAMELEN
-1] = '\0';
668 spcl
.c_level
= atoi(level
);
669 spcl
.c_type
= TS_TAPE
;
671 getdumptime(uflag
); /* dumpdates snarfed */
673 if (spcl
.c_ddate
== 0 && spcl
.c_level
) {
674 msg("WARNING: There is no inferior level dump on this filesystem\n");
675 msg("WARNING: Assuming a level 0 dump by default\n");
676 level
[0] = '0'; level
[1] = '\0';
681 snprintf(tape
, MAXPATHLEN
, "%s%03d", tapeprefix
, tapeno
+ 1);
683 strncpy(tape
, tapeprefix
, MAXPATHLEN
);
684 tape
[MAXPATHLEN
- 1] = '\0';
687 if (STAT(tape
, &statbuf
) != -1)
688 fifoout
= statbuf
.st_mode
& S_IFIFO
;
693 msg("Date of this level %s dump: %s", level
,
694 ctime4(&spcl
.c_date
));
696 gThisDumpDate
= spcl
.c_date
;
699 msg("Date of last level %s dump: %s", lastlevel
,
700 ctime4(&spcl
.c_ddate
));
701 msg("Dumping %s (%s) ", disk
, spcl
.c_filesys
);
703 msgtail("to %s on host %s\n", tape
, host
);
705 msgtail("to %s\n", tape
);
706 } /* end of size estimate */
709 if ((diskfd
= OPEN(disk
, O_RDONLY
)) < 0) {
710 msg("Cannot open %s\n", disk
);
711 msg("The ENTIRE dump is aborted.\n");
715 (void)ioctl(diskfd
, BLKFLSBUF
, 0);
717 retval
= dump_fs_open(disk
, &fs
);
719 com_err(disk
, retval
, "while opening filesystem");
720 if (retval
== EXT2_ET_REV_TOO_HIGH
)
721 msg("Get a newer version of dump!\n");
722 msg("The ENTIRE dump is aborted.\n");
725 if (fs
->super
->s_rev_level
> DUMP_CURRENT_REV
) {
726 com_err(disk
, retval
, "while opening filesystem");
727 msg("Get a newer version of dump!\n");
728 msg("The ENTIRE dump is aborted.\n");
731 /* if no user label specified, use ext2 filesystem label if available */
732 if (spcl
.c_label
[0] == '\0') {
734 if ( (lbl
= get_device_label(disk
)) != NULL
) {
735 strncpy(spcl
.c_label
, lbl
, LBLSIZE
);
736 spcl
.c_label
[LBLSIZE
-1] = '\0';
739 strcpy(spcl
.c_label
, "none"); /* safe strcpy. */
742 dev_bsize
= DEV_BSIZE
;
743 dev_bshift
= ffs(dev_bsize
) - 1;
744 if (dev_bsize
!= (1 << dev_bshift
))
745 quit("dev_bsize (%d) is not a power of 2", dev_bsize
);
746 tp_bshift
= ffs(TP_BSIZE
) - 1;
747 if (TP_BSIZE
!= (1 << tp_bshift
))
748 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE
);
749 maxino
= fs
->super
->s_inodes_count
+ 1;
750 spcl
.c_flags
|= DR_NEWINODEFMT
;
751 #else /* __linux __*/
752 if ((diskfd
= open(disk
, O_RDONLY
)) < 0) {
753 msg("Cannot open %s\n", disk
);
754 msg("The ENTIRE dump is aborted.\n");
758 sblock
= (struct fs
*)sblock_buf
;
759 bread(SBOFF
, (char *) sblock
, SBSIZE
);
760 if (sblock
->fs_magic
!= FS_MAGIC
)
761 quit("bad sblock magic number\n");
762 dev_bsize
= sblock
->fs_fsize
/ fsbtodb(sblock
, 1);
763 dev_bshift
= ffs(dev_bsize
) - 1;
764 if (dev_bsize
!= (1 << dev_bshift
))
765 quit("dev_bsize (%d) is not a power of 2", dev_bsize
);
766 tp_bshift
= ffs(TP_BSIZE
) - 1;
767 if (TP_BSIZE
!= (1 << tp_bshift
))
768 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE
);
770 if (sblock
->fs_inodefmt
>= FS_44INODEFMT
)
771 spcl
.c_flags
|= DR_NEWINODEFMT
;
773 maxino
= sblock
->fs_ipg
* sblock
->fs_ncg
;
774 #endif /* __linux__ */
775 mapsize
= roundup(howmany(maxino
, NBBY
), TP_BSIZE
);
776 usedinomap
= (char *)calloc((unsigned) mapsize
, sizeof(char));
777 dumpdirmap
= (char *)calloc((unsigned) mapsize
, sizeof(char));
778 dumpinomap
= (char *)calloc((unsigned) mapsize
, sizeof(char));
779 metainomap
= (char *)calloc((unsigned) mapsize
, sizeof(char));
780 if (usedinomap
== NULL
|| dumpdirmap
== NULL
||
781 dumpinomap
== NULL
|| metainomap
== NULL
)
782 quit("out of memory allocating inode maps\n");
783 tapesize
= 2 * (howmany(mapsize
* sizeof(char), TP_BSIZE
) + 1);
785 nonodump
= spcl
.c_level
< honorlevel
;
788 msg("Label: %s\n", spcl
.c_label
);
790 msg("Writing %d Kilobyte records\n", ntrec
);
793 if (zipflag
== COMPRESS_LZO
)
794 msg("Compressing output (lzo)\n");
796 msg("Compressing output at compression level %d (%s)\n",
797 compressed
, zipflag
== COMPRESS_ZLIB
? "zlib" : "bzlib");
802 (void)signal(SIGINFO
, statussig
);
806 msg("mapping (Pass I) [regular files]\n");
808 if (directory
[0] == 0)
809 anydirskipped
= mapfiles(maxino
, &tapesize
);
811 if (LSTAT(pathname
, &statbuf
) == -1) {
812 msg("File cannot be accessed (%s).\n", pathname
);
813 msg("The ENTIRE dump is aborted.\n");
816 filedev
= statbuf
.st_dev
;
817 if (!(statbuf
.st_mode
& S_IFDIR
)) /* is a file */
818 anydirskipped
= maponefile(maxino
, &tapesize
,
821 anydirskipped
= mapfilesfromdir(maxino
, &tapesize
,
827 /* check if file is available */
828 if (LSTAT(p
, &statbuf
) == -1) {
829 msg("File cannot be accessed (%s).\n", p
);
830 msg("The ENTIRE dump is aborted.\n");
833 /* check if file is on same unix partiton as the first
835 if (statbuf
.st_dev
!= filedev
) {
836 msg("Files are not on same file system (%s).\n", p
);
837 msg("The ENTIRE dump is aborted.\n");
840 /* check if file is a directory */
841 if (!(statbuf
.st_mode
& S_IFDIR
))
842 anydirskipped2
= maponefile(maxino
, &tapesize
,
843 p
+strlen(dt
->mnt_dir
));
845 /* read directory inodes.
846 * NOTE: nested directories are not recognized
847 * so inodes may be umped twice!
849 anydirskipped2
= mapfilesfromdir(maxino
, &tapesize
,
850 p
+strlen(dt
->mnt_dir
));
852 anydirskipped
= anydirskipped2
;
856 anydirskipped
= mapfiles(maxino
, &tapesize
);
860 msg("mapping (Pass II) [directories]\n");
861 while (anydirskipped
) {
862 anydirskipped
= mapdirs(maxino
, &tapesize
);
866 printf("%.0f\n", ((double)tapesize
+ 1 + ntrec
) * TP_BSIZE
);
868 } /* stop here for size estimate */
870 if (pipeout
|| unlimited
) {
871 tapesize
+= 1 + ntrec
; /* 1 map header + trailer blocks */
872 msg("estimated %ld blocks.\n", tapesize
);
876 if (blocksperfiles
) {
879 tapesize_left
= tapesize
;
881 for (i
= 1; i
< *blocksperfiles
&& tapesize_left
; i
++) {
883 if (tapesize_left
> blocksperfiles
[i
])
884 tapesize_left
-= blocksperfiles
[i
];
889 fetapes
+= (double)tapesize_left
/ blocksperfiles
[*blocksperfiles
];
890 } else if (cartridge
) {
891 /* Estimate number of tapes, assuming streaming stops at
892 the end of each block written, and not in mid-block.
893 Assume no erroneous blocks; this can be compensated
894 for with an artificially low tape size. */
896 ( (double) tapesize
/* blocks */
897 * TP_BSIZE
/* bytes/block */
898 * (1.0/density
) /* 0.1" / byte " */
900 (double) tapesize
/* blocks */
901 * (1.0/ntrec
) /* streaming-stops per block */
902 * 15.48 /* 0.1" / streaming-stop " */
903 ) * (1.0 / tsize
); /* tape / 0.1" " */
905 /* Estimate number of tapes, for old fashioned 9-track
907 int tenthsperirg
= (density
== 625) ? 3 : 7;
909 ( (double) tapesize
/* blocks */
910 * TP_BSIZE
/* bytes / block */
911 * (1.0/density
) /* 0.1" / byte " */
913 (double) tapesize
/* blocks */
914 * (1.0/ntrec
) /* IRG's / block */
915 * tenthsperirg
/* 0.1" / IRG " */
916 ) * (1.0 / tsize
); /* tape / 0.1" " */
918 etapes
= fetapes
; /* truncating assignment */
920 /* count the dumped inodes map on each additional tape */
921 tapesize
+= (etapes
- 1) *
922 (howmany(mapsize
* sizeof(char), TP_BSIZE
) + 1);
923 tapesize
+= etapes
+ ntrec
; /* headers + trailer blks */
924 msg("estimated %ld blocks on %3.2f tape(s).\n",
930 msg("writing QFA positions to %s\n", gTapeposfile
);
931 if ((gTapeposfd
= open(gTapeposfile
,
932 O_WRONLY
|O_CREAT
|O_TRUNC
,
933 S_IRUSR
| S_IWUSR
| S_IRGRP
| S_IWGRP
934 | S_IROTH
| S_IWOTH
)) < 0)
935 quit("can't open tapeposfile\n");
936 /* print QFA-file header */
937 snprintf(gTps
, sizeof(gTps
), "%s\n%s\n%ld\n\n", QFA_MAGIC
, QFA_VERSION
, (unsigned long)spcl
.c_date
);
938 gTps
[sizeof(gTps
) - 1] = '\0';
939 if (write(gTapeposfd
, gTps
, strlen(gTps
)) != (ssize_t
)strlen(gTps
))
940 quit("can't write tapeposfile\n");
941 sprintf(gTps
, "ino\ttapeno\ttapepos\n");
942 if (write(gTapeposfd
, gTps
, strlen(gTps
)) != (ssize_t
)strlen(gTps
))
943 quit("can't write tapeposfile\n");
948 * Allocate tape buffer.
952 "can't allocate tape buffers - try a smaller blocking factor.\n");
955 tstart_writing
= time(NULL
);
956 dumpmap(usedinomap
, TS_CLRI
, maxino
- 1);
958 msg("dumping (Pass III) [directories]\n");
959 dirty
= 0; /* XXX just to get gcc to shut up */
960 for (map
= dumpdirmap
, ino
= 1; ino
< maxino
; ino
++) {
961 if (((ino
- 1) % NBBY
) == 0) /* map is offset by 1 */
965 if ((dirty
& 1) == 0)
968 * Skip directory inodes deleted and maybe reallocated
971 if ((dp
->di_mode
& IFMT
) != IFDIR
)
975 * Skip directory inodes deleted and not yes reallocated...
977 if (dp
->di_nlink
== 0 || dp
->di_dtime
!= 0)
980 msg("dumping directory inode %lu\n", ino
);
981 (void)dumpdirino(dp
, ino
);
983 (void)dumpino(dp
, ino
);
987 msg("dumping (Pass IV) [regular files]\n");
988 for (map
= dumpinomap
, ino
= 1; ino
< maxino
; ino
++) {
989 if (((ino
- 1) % NBBY
) == 0) /* map is offset by 1 */
993 if ((dirty
& 1) == 0)
996 * Skip inodes deleted and reallocated as directories.
999 if ((dp
->di_mode
& IFMT
) == IFDIR
)
1003 * No need to check here for deleted and not yet reallocated
1004 * inodes since this is done in dumpino().
1008 if (mflag
&& TSTINO(ino
, metainomap
))
1009 msg("dumping regular inode %lu (meta only)\n", ino
);
1011 msg("dumping regular inode %lu\n", ino
);
1013 (void)dumpino(dp
, ino
, mflag
&& TSTINO(ino
, metainomap
));
1016 tend_writing
= time(NULL
);
1017 spcl
.c_type
= TS_END
;
1020 volinfo
[1] = ROOTINO
;
1021 memcpy(spcl
.c_inos
, volinfo
, TP_NINOS
* sizeof(dump_ino_t
));
1022 spcl
.c_flags
|= DR_INODEINFO
;
1026 * Finish off the current tape record with trailer blocks, to ensure
1027 * at least the data in the last partial record makes it to tape.
1028 * Also make sure we write at least 1 trailer block.
1030 for (i
= ntrec
- (spcl
.c_tapea
% ntrec
); i
; --i
)
1031 writeheader(maxino
- 1);
1035 if (pipeout
|| fifoout
)
1036 msg("%ld blocks (%.2fMB)\n", spcl
.c_tapea
,
1037 ((double)spcl
.c_tapea
* TP_BSIZE
/ 1048576));
1039 msg("%ld blocks (%.2fMB) on %d volume(s)\n",
1041 ((double)spcl
.c_tapea
* TP_BSIZE
/ 1048576),
1044 /* report dump performance, avoid division by zero */
1045 if (tend_writing
- tstart_writing
== 0)
1046 msg("finished in less than a second\n");
1048 msg("finished in %d seconds, throughput %d kBytes/sec\n",
1049 tend_writing
- tstart_writing
,
1050 spcl
.c_tapea
/ (tend_writing
- tstart_writing
));
1053 msg("Date of this level %s dump: %s", level
,
1054 spcl
.c_date
== 0 ? "the epoch\n" : ctime4(&spcl
.c_date
));
1055 msg("Date this dump completed: %s", ctime(&tnow
));
1057 msg("Average transfer rate: %ld kB/s\n", xferrate
/ tapeno
);
1059 long tapekb
= bytes_written
/ 1024;
1060 double rate
= .0005 + (double) spcl
.c_tapea
/ tapekb
;
1061 msg("Wrote %ldkB uncompressed, %ldkB compressed, %1.3f:1\n",
1062 spcl
.c_tapea
, tapekb
, rate
);
1066 msg("Archiving dump to %s\n", Apath
);
1068 broadcast("DUMP IS DONE!\7\7\n");
1069 msg("DUMP IS DONE\n");
1072 return 0; /* gcc - shut up */
1078 char white
[MAXPATHLEN
];
1079 const char *ext2ver
, *ext2date
;
1081 memset(white
, ' ', MAXPATHLEN
);
1082 white
[MIN(strlen(__progname
), MAXPATHLEN
- 1)] = '\0';
1085 ext2fs_get_library_version(&ext2ver
, &ext2date
);
1086 fprintf(stderr
, "%s %s (using libext2fs %s of %s)\n",
1087 __progname
, _DUMP_VERSION
, ext2ver
, ext2date
);
1089 fprintf(stderr
, "%s %s\n", __progname
, _DUMP_VERSION
);
1092 "usage:\t%s [-level#] [-ac"
1097 "] [-A file] [-B records] [-b blocksize]\n"
1098 "\t%s [-d density] [-D file] [-e inode#,inode#,...] [-E file]\n"
1099 "\t%s [-f file] [-h level] [-I nr errors] "
1116 __progname
, white
, white
, white
, __progname
);
1121 * Pick up a numeric argument. It must be nonnegative and in the given
1122 * range (except that a vmax of 0 means unlimited).
1125 numarg(const char *meaning
, long vmin
, long vmax
)
1130 val
= strtol(optarg
, &p
, 10);
1132 errx(X_STARTUP
, "illegal %s -- %s", meaning
, optarg
);
1133 if (val
< vmin
|| (vmax
&& val
> vmax
))
1134 errx(X_STARTUP
, "%s must be between %ld and %ld", meaning
, vmin
, vmax
);
1139 * The same as numarg, just that it expects a comma separated list of numbers
1140 * and returns an array of longs with the first element containing the number
1141 * values in that array.
1144 numlistarg(const char *meaning
, long vmin
, long vmax
)
1155 if ( !(vals
= realloc(vals
, (valnum
+ 1) * sizeof(*vals
))) )
1156 errx(X_STARTUP
, "allocating memory failed");
1157 curval
= vals
+ valnum
;
1158 *curval
= strtol(p
, &p
, 10);
1160 errx(X_STARTUP
, "illegal %s -- %s", meaning
, optarg
);
1161 if (*curval
< vmin
|| (vmax
&& *curval
> vmax
))
1162 errx(X_STARTUP
, "%s must be between %ld and %ld", meaning
, vmin
, vmax
);
1179 if (pipeout
|| fifoout
)
1180 quit("Signal on pipe: cannot recover\n");
1181 msg("Rewriting attempted as response to unknown signal: %d.\n", signo
);
1182 (void)fflush(stderr
);
1183 (void)fflush(stdout
);
1188 msg("SIGSEGV: ABORTING!\n");
1189 (void)signal(SIGSEGV
, SIG_DFL
);
1190 (void)kill(0, SIGSEGV
);
1196 rawname(const char *cp
)
1200 #else /* __linux__ */
1201 static char rawbuf
[MAXPATHLEN
];
1202 char *dp
= strrchr(cp
, '/');
1206 (void)strncpy(rawbuf
, cp
, min(dp
-cp
, MAXPATHLEN
- 1));
1207 rawbuf
[min(dp
-cp
, MAXPATHLEN
-1)] = '\0';
1208 (void)strncat(rawbuf
, "/r", MAXPATHLEN
- 1 - strlen(rawbuf
));
1209 (void)strncat(rawbuf
, dp
+ 1, MAXPATHLEN
- 1 - strlen(rawbuf
));
1211 #endif /* __linux__ */
1216 * Change set of key letters and ordered arguments into something
1217 * getopt(3) will like.
1220 obsolete(int *argcp
, char **argvp
[])
1223 char *ap
, **argv
, *flagsp
=NULL
, **nargv
, *p
=NULL
;
1229 /* Return if no arguments or first argument has leading dash. */
1231 if (argc
== 1 || *ap
== '-')
1234 /* Allocate space for new arguments. */
1235 if ((*argvp
= nargv
= malloc((argc
+ 1) * sizeof(char *))) == NULL
||
1236 (p
= flagsp
= malloc(strlen(ap
) + 2)) == NULL
)
1237 err(X_STARTUP
, "malloc new args");
1242 for (flags
= 0; *ap
; ++ap
) {
1258 if (*argv
== NULL
) {
1259 warnx("option requires an argument -- %c", *ap
);
1262 if ((nargv
[0] = malloc(strlen(*argv
) + 2 + 1)) == NULL
)
1263 err(X_STARTUP
, "malloc arg");
1266 (void)strcpy(&nargv
[0][2], *argv
);
1280 /* Terminate flags. */
1286 /* Copy remaining arguments. */
1287 while ((*nargv
++ = *argv
++));
1289 /* Update argument count. */
1290 *argcp
= nargv
- *argvp
- 1;
1294 * This tests whether an inode is in the exclude bitmap
1297 exclude_ino(dump_ino_t ino
)
1299 /* if the inode exclude bitmap exists and covers given inode */
1300 if (iexclude_bitmap
&& iexclude_bitmap_bytes
> ino
/ 8) {
1301 /* then check this inode against it */
1302 int idx
= iexclude_bitmap
[ino
/ 8];
1303 if (idx
& (1 << (ino
% 8)))
1310 * This adds an inode to the exclusion bitmap if it isn't already there
1313 do_exclude_ino(dump_ino_t ino
, const char *reason
)
1315 if (exclude_ino(ino
))
1320 msg("Excluding inode %u (%s) from dump\n", ino
, reason
);
1322 msg("Excluding inode %u from dump\n", ino
);
1325 /* check for enough mem; initialize */
1326 if ((ino
/8 + 1) > iexclude_bitmap_bytes
) {
1327 if (iexclude_bitmap_bytes
== 0) {
1329 iexclude_bitmap_bytes
= 2 * (ino
/8 + 1);
1330 iexclude_bitmap
= (char*) malloc(iexclude_bitmap_bytes
);
1331 if (iexclude_bitmap
== NULL
) {
1332 msg("allocating memory failed\n");
1335 for (j
= 0; j
< iexclude_bitmap_bytes
; j
++)
1336 iexclude_bitmap
[j
] = 0;
1339 unsigned int oldsize
= iexclude_bitmap_bytes
;
1340 iexclude_bitmap_bytes
*=
1341 (ino
/ 8 + 1) / iexclude_bitmap_bytes
+ 1;
1342 iexclude_bitmap
= (char*) realloc(iexclude_bitmap
,
1343 iexclude_bitmap_bytes
);
1344 if (iexclude_bitmap
== NULL
) {
1345 msg("allocating memory failed\n");
1348 for( ; oldsize
< iexclude_bitmap_bytes
; oldsize
++)
1349 iexclude_bitmap
[oldsize
] = 0;
1353 iexclude_bitmap
[ino
/ 8] |= 1 << (ino
% 8);
1357 do_exclude_ino_str(char * ino
) {
1361 inod
= strtoul(ino
, &r
, 10);
1362 if (( *r
!= '\0' && !isspace(*r
) ) || inod
<= ROOTINO
) {
1363 msg("Invalid inode argument %s\n", ino
);
1364 msg("The ENTIRE dump is aborted.\n");
1367 do_exclude_ino(inod
, NULL
);
1371 * This reads a file containing one inode number per line and exclude them all
1374 do_exclude_from_file(char *file
) {
1376 char *p
, fname
[MAXPATHLEN
];
1379 if (!( f
= fopen(file
, "r")) ) {
1380 msg("Cannot open file for reading: %s\n", file
);
1381 msg("The ENTIRE dump is aborted.\n");
1384 while (( p
= fgets(fname
, MAXPATHLEN
, f
))) {
1385 if ( *p
&& *(p
+ strlen(p
) - 1) == '\n' ) /* possible null string */
1386 *(p
+ strlen(p
) - 1) = '\0';
1387 if ( !*p
) /* skip empty lines */
1389 do_exclude_ino_str(p
);
1394 static void incompat_flags(int cond
, char flag1
, char flag2
) {
1396 msg("You cannot use the %c and %c flags together.\n",
1398 msg("The ENTIRE dump is aborted.\n");