]>
git.wh0rd.org - dump.git/blob - restore/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) 1983, 1993
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 1.50 2005/07/07 09:16:08 stelian Exp $";
44 #include <compatlfs.h>
45 #include <sys/types.h>
47 #include <sys/param.h>
54 #ifdef HAVE_EXT2FS_EXT2_FS_H
55 #include <ext2fs/ext2_fs.h>
57 #include <linux/ext2_fs.h>
59 #include <bsdcompat.h>
66 #include <sys/fcntl.h>
67 #include <bsdcompat.h>
70 #include <ufs/ufs/dinode.h>
72 #endif /* __linux__ */
73 #include <protocols/dumprestore.h>
75 #include <compaterr.h>
81 #include <ext2fs/ext2fs.h>
85 #include "pathnames.h"
89 int abortifconnerr
= 1; /* set to 1 if lib dumprmt.o should exit on connection errors
90 otherwise just print a message using msg */
92 int aflag
= 0, bflag
= 0, cvtflag
= 0, dflag
= 0, vflag
= 0, yflag
= 0;
93 int hflag
= 1, mflag
= 1, Mflag
= 0, Nflag
= 0, Vflag
= 0, zflag
= 0;
94 int uflag
= 0, lflag
= 0, Lflag
= 0, oflag
= 0;
102 char *dumpmap
= NULL
;
103 char *usedinomap
= NULL
;
109 int compare_ignore_not_found
;
111 char filesys
[NAMELEN
];
112 static const char *stdin_opt
= NULL
;
113 char *bot_script
= NULL
;
114 dump_ino_t volinfo
[TP_NINOS
];
116 int dirhash_size
= 1;
125 int createtapeposflag
;
126 unsigned long qfadumpdate
;
127 long long curtapepos
;
132 #if defined(__linux__) || defined(sunos)
136 static void obsolete
__P((int *, char **[]));
137 static void usage
__P((void));
138 static void use_stdin
__P((const char *));
140 #define FORCED_UMASK (077)
143 main(int argc
, char *argv
[])
147 char *inputdev
= _PATH_DEFTAPE
;
148 char *symtbl
= "./restoresymtable";
149 char *p
, name
[MAXPATHLEN
];
150 FILE *filelist
= NULL
;
151 char fname
[MAXPATHLEN
];
154 time_t tistart
, tiend
, titaken
;
158 createtapeposflag
= 0;
161 /* Temp files should *not* be readable. We set permissions later. */
162 orig_umask
= umask(FORCED_UMASK
);
164 #if defined(__linux__) || defined(sunos)
165 __progname
= argv
[0];
171 if ((inputdev
= getenv("TAPE")) == NULL
)
172 inputdev
= _PATH_DEFTAPE
;
173 if ((tmpdir
= getenv("TMPDIR")) == NULL
)
175 if ((tmpdir
= strdup(tmpdir
)) == NULL
)
176 err(1, "malloc tmpdir");
177 for (p
= tmpdir
+ strlen(tmpdir
) - 1; p
>= tmpdir
&& *p
== '/'; p
--)
179 obsolete(&argc
, &argv
);
180 while ((ch
= getopt(argc
, argv
,
189 "Rrs:tT:uvVxX:y")) != -1)
199 /* Change default tape blocksize. */
201 ntrec
= strtol(optarg
, &p
, 10);
203 errx(1, "illegal blocksize -- %s", optarg
);
205 errx(1, "block size must be greater than 0");
211 strncpy(filesys
, optarg
, NAMELEN
);
212 filesys
[NAMELEN
- 1] = '\0';
221 if( !strcmp(optarg
,"-") )
232 dirhash_size
= strtol(optarg
, &p
, 10);
234 errx(1, "illegal hash size -- %s", optarg
);
235 if (dirhash_size
< 1)
236 errx(1, "hash size must be greater than 0");
254 "%c and %c options are mutually exclusive",
259 gTapeposfile
= optarg
;
260 createtapeposflag
= 1;
269 Lflag
= strtol(optarg
, &p
, 10);
271 errx(1, "illegal limit -- %s", optarg
);
273 errx(1, "limit must be greater than 0");
289 gTapeposfile
= optarg
;
295 /* Dumpnum (skip to) for multifile dump tapes. */
296 dumpnum
= strtol(optarg
, &p
, 10);
298 errx(1, "illegal dump number -- %s", optarg
);
300 errx(1, "dump number must be greater than 0");
312 if( !strcmp(optarg
,"-") ) {
317 if ( !(filelist
= fopen(optarg
,"r")) )
318 errx(1, "can't open file for reading -- %s", optarg
);
330 errx(1, "none of C, i, R, r, t or x options specified");
333 if (!mflag
&& tapeposflag
)
334 errx(1, "m and Q options are mutually exclusive");
336 if (tapeposflag
&& command
!= 'i' && command
!= 'x' && command
!= 't')
337 errx(1, "Q option is not valid for %c command", command
);
340 if (Afile
&& command
!= 'i' && command
!= 'x' && command
!= 't')
341 errx(1, "A option is not valid for %c command", command
);
343 if (signal(SIGINT
, onintr
) == SIG_IGN
)
344 (void) signal(SIGINT
, SIG_IGN
);
345 if (signal(SIGTERM
, onintr
) == SIG_IGN
)
346 (void) signal(SIGTERM
, SIG_IGN
);
351 if (command
== 'C' && inputdev
[0] != '/' && strcmp(inputdev
, "-")
353 && !strchr(inputdev
, ':')
356 /* since we chdir into the directory we are comparing
357 * to, we must retain the full tape path */
358 char wd
[MAXPATHLEN
], fullpathinput
[MAXPATHLEN
];
359 if (!getcwd(wd
, MAXPATHLEN
))
360 err(1, "can't get current directory");
361 snprintf(fullpathinput
, MAXPATHLEN
, "%s/%s", wd
, inputdev
);
362 fullpathinput
[MAXPATHLEN
- 1] = '\0';
363 setinput(fullpathinput
);
368 wdfd
= open(".", O_RDONLY
);
370 err(1, "can't get current directory");
372 if (argc
== 0 && !filelist
) {
379 msg("reading QFA positions from %s\n", gTapeposfile
);
380 if ((gTapeposfp
= fopen(gTapeposfile
, "r")) == NULL
)
381 errx(1, "can't open file for reading -- %s",
383 /* start reading header info */
384 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
385 errx(1, "not requested format of -- %s", gTapeposfile
);
386 gTps
[strlen(gTps
) - 1] = 0; /* delete end of line */
387 if (strcmp(gTps
, QFA_MAGIC
) != 0)
388 errx(1, "not requested format of -- %s", gTapeposfile
);
389 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
390 errx(1, "not requested format of -- %s", gTapeposfile
);
391 gTps
[strlen(gTps
) - 1] = 0;
392 if (strcmp(gTps
, QFA_VERSION
) != 0)
393 errx(1, "not requested format of -- %s", gTapeposfile
);
395 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
396 errx(1, "not requested format of -- %s", gTapeposfile
);
397 gTps
[strlen(gTps
) - 1] = 0;
398 qfadumpdate
= atol(gTps
);
399 /* read empty line */
400 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
401 errx(1, "not requested format of -- %s", gTapeposfile
);
402 gTps
[strlen(gTps
) - 1] = 0;
403 /* read table header line */
404 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
405 errx(1, "not requested format of -- %s", gTapeposfile
);
406 gTps
[strlen(gTps
) - 1] = 0;
407 /* end reading header info */
408 /* tape position table starts here */
409 gSeekstart
= ftell(gTapeposfp
); /* remember for later use */
411 if (GetSCSIIDFromPath(inputdev
, &scsiid
)) {
412 errx(1, "can't get SCSI-ID for %s\n", inputdev
);
415 errx(1, "can't get SCSI-ID for %s\n", inputdev
);
417 sprintf(smtcpath
, "/dev/rsmtc%ld,0", scsiid
);
418 if ((fdsmtc
= open(smtcpath
, O_RDWR
)) == -1) {
419 errx(1, "can't open smtc device: %s, %d\n", smtcpath
, errno
);
427 * Compare contents of tape.
432 Vprintf(stdout
, "Begin compare restore\n");
433 compare_ignore_not_found
= 0;
437 printf("filesys = %s\n", filesys
);
438 if (STAT(filesys
, &stbuf
) < 0)
439 err(1, "cannot stat directory %s", filesys
);
440 if (chdir(filesys
) < 0)
441 err(1, "cannot cd to %s", filesys
);
442 compare_ignore_not_found
= dumptime
> 0;
443 initsymtable((char *)0);
445 treescan(".", ROOTINO
, nodeupdates
);
449 if (compare_errors
) {
450 printf("Some files were modified!\n");
466 * Incremental restoration of a file system.
469 aflag
= 1; /* in -r or -R mode, -a is default */
473 * This is an incremental dump tape.
475 Vprintf(stdout
, "Begin incremental restore\n");
476 initsymtable(symtbl
);
479 Vprintf(stdout
, "Calculate node updates.\n");
480 treescan(".", ROOTINO
, nodeupdates
);
485 * This is a level zero dump tape.
487 Vprintf(stdout
, "Begin level 0 restore\n");
488 initsymtable((char *)0);
490 Vprintf(stdout
, "Calculate extraction list.\n");
491 treescan(".", ROOTINO
, nodeupdates
);
493 createleaves(symtbl
);
498 Vprintf(stdout
, "Verify the directory structure\n");
499 treescan(".", ROOTINO
, verifyfile
);
501 dumpsymtable(symtbl
, (long)1);
504 * Resume an incremental file system restoration.
507 aflag
= 1; /* in -r or -R mode, -a is default */
508 initsymtable(symtbl
);
511 createleaves(symtbl
);
515 dumpsymtable(symtbl
, (long)1);
518 /* handle file names from either text file (-X) or the command line */
519 #define NEXTFILE(p) \
525 else if (filelist) { \
526 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
527 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
528 *(p + strlen(p) - 1) = '\0'; \
529 if ( !*p ) /* skip empty lines */ \
535 * List contents of tape.
540 initsymtable((char *)0);
546 canon(p
, name
, sizeof(name
));
547 ino
= dirlookup(name
);
550 treescan(name
, ino
, listfile
);
554 * Batch extraction of tape contents.
558 tistart
= time(NULL
);
562 initsymtable((char *)0);
567 canon(p
, name
, sizeof(name
));
568 ino
= dirlookup(name
);
573 treescan(name
, ino
, addfile
);
577 setdirmodes(oflag
? FORCE
: 0);
587 titaken
= tiend
- tistart
;
588 msg("restore took %d:%02d:%02d\n", titaken
/ 3600,
589 (titaken
% 3600) / 60, titaken
% 60);
590 #endif /* DEBUG_QFA */
595 tistart
= time(NULL
);
598 if (GetSCSIIDFromPath(inputdev
, &scsiid
)) {
599 errx(1, "can't get SCSI-ID for %s\n", inputdev
);
602 errx(1, "can't get SCSI-ID for %s\n", inputdev
);
604 sprintf(smtcpath
, "/dev/rsmtc%ld,0", scsiid
);
605 if ((fdsmtc
= open(smtcpath
, O_RDWR
)) == -1) {
606 errx(1, "can't open smtc device: %s, %d\n", smtcpath
, errno
);
610 msg("writing QFA positions to %s\n", gTapeposfile
);
611 (void) umask(orig_umask
);
612 if ((gTapeposfd
= open(gTapeposfile
, O_WRONLY
|O_CREAT
|O_TRUNC
,
613 S_IRUSR
|S_IWUSR
|S_IRGRP
|S_IWGRP
614 |S_IROTH
|S_IWOTH
)) < 0)
615 errx(1, "can't create tapeposfile\n");
616 (void) umask(FORCED_UMASK
);
617 /* print QFA-file header */
618 sprintf(gTps
, "%s\n%s\n%ld\n\n", QFA_MAGIC
, QFA_VERSION
, (unsigned long)spcl
.c_date
);
619 if (write(gTapeposfd
, gTps
, strlen(gTps
)) != (ssize_t
)strlen(gTps
))
620 errx(1, "can't write tapeposfile\n");
621 sprintf(gTps
, "ino\ttapeno\ttapepos\n");
622 if (write(gTapeposfd
, gTps
, strlen(gTps
)) != (ssize_t
)strlen(gTps
))
623 errx(1, "can't write tapeposfile\n");
626 initsymtable((char *)0);
631 canon(p
, name
, sizeof(name
));
632 ino
= dirlookup(name
);
637 treescan(name
, ino
, addfile
);
647 titaken
= tiend
- tistart
;
648 msg("writing QFA positions took %d:%02d:%02d\n", titaken
/ 3600,
649 (titaken
% 3600) / 60, titaken
% 60);
650 #endif /* DEBUG_QFA */
656 return 0; /* gcc shut up */
662 char white
[MAXPATHLEN
];
663 const char *ext2ver
, *ext2date
;
665 memset(white
, ' ', MAXPATHLEN
);
666 white
[MIN(strlen(__progname
), MAXPATHLEN
- 1)] = '\0';
669 ext2fs_get_library_version(&ext2ver
, &ext2date
);
670 (void)fprintf(stderr
, "%s %s (using libext2fs %s of %s)\n",
671 __progname
, _DUMP_VERSION
, ext2ver
, ext2date
);
673 (void)fprintf(stderr
, "%s %s\n", __progname
, _DUMP_VERSION
);
683 #define qfaflag "[-Q file] "
690 "\t%s -C [-cdH" kerbflag
"lMvVy] [-b blocksize] [-D filesystem] [-f file]\n"
691 "\t%s [-F script] [-L limit] [-s fileno]\n"
692 "\t%s -i [-acdhH" kerbflag
"lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
693 "\t%s [-F script] " qfaflag
"[-s fileno]\n"
695 "\t%s -P file [-acdhH" kerbflag
"lmMuvVy] [-A file] [-b blocksize]\n"
696 "\t%s [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
698 "\t%s -r [-cdH" kerbflag
"lMuvVy] [-b blocksize] [-f file] [-F script]\n"
699 "\t%s [-s fileno] [-T directory]\n"
700 "\t%s -R [-cdH" kerbflag
"lMuvVy] [-b blocksize] [-f file] [-F script]\n"
701 "\t%s [-s fileno] [-T directory]\n"
702 "\t%s -t [-cdhH" kerbflag
"lMuvVy] [-A file] [-b blocksize] [-f file]\n"
703 "\t%s [-F script] " qfaflag
"[-s fileno] [-X filelist] [file ...]\n"
704 "\t%s -x [-acdhH" kerbflag
"lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
705 "\t%s [-F script] " qfaflag
"[-s fileno] [-X filelist] [file ...]\n",
720 * Change set of key letters and ordered arguments into something
721 * getopt(3) will like.
724 obsolete(int *argcp
, char **argvp
[])
727 char *ap
, **argv
, *flagsp
= NULL
, **nargv
, *p
= NULL
;
733 /* Return if no arguments or first argument has leading dash. */
735 if (argc
== 1 || *ap
== '-')
738 /* Allocate space for new arguments. */
739 if ((*argvp
= nargv
= malloc((argc
+ 1) * sizeof(char *))) == NULL
||
740 (p
= flagsp
= malloc(strlen(ap
) + 2)) == NULL
)
741 err(1, "malloc args");
744 argv
+= 2, argc
-= 2;
746 for (flags
= 0; *ap
; ++ap
) {
760 warnx("option requires an argument -- %c", *ap
);
763 if ((nargv
[0] = malloc(strlen(*argv
) + 2 + 1)) == NULL
)
764 err(1, "malloc arg");
767 (void)strcpy(&nargv
[0][2], *argv
);
781 /* Terminate flags. */
787 /* Copy remaining arguments. */
788 while ((*nargv
++ = *argv
++));
790 /* Update argument count. */
791 *argcp
= nargv
- *argvp
- 1;
796 * reserve stdin for opt (avoid conflicts)
799 use_stdin(const char *opt
)
802 errx(1, "can't handle standard input for both %s and %s",