]>
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 1.52 2008/04/17 15:26:46 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
;
130 #ifdef TRANSSELINUX /*GAN6May06 SELinux MLS */
131 int transselinuxflag
= 0;
132 char *transselinuxarg
= NULL
;
137 #if defined(__linux__) || defined(sunos)
141 static void obsolete
__P((int *, char **[]));
142 static void usage
__P((void));
143 static void use_stdin
__P((const char *));
145 #define FORCED_UMASK (077)
148 main(int argc
, char *argv
[])
152 char *inputdev
= _PATH_DEFTAPE
;
153 char *symtbl
= "./restoresymtable";
154 char *p
, name
[MAXPATHLEN
];
155 FILE *filelist
= NULL
;
156 char fname
[MAXPATHLEN
];
159 time_t tistart
, tiend
, titaken
;
163 createtapeposflag
= 0;
165 #ifdef TRANSSELINUX /*GAN6May06 SELinux MLS */
166 char transselinuxopt
;
169 /* Temp files should *not* be readable. We set permissions later. */
170 orig_umask
= umask(FORCED_UMASK
);
172 #if defined(__linux__) || defined(sunos)
173 __progname
= argv
[0];
179 if ((inputdev
= getenv("TAPE")) == NULL
)
180 inputdev
= _PATH_DEFTAPE
;
181 if ((tmpdir
= getenv("TMPDIR")) == NULL
)
183 if ((tmpdir
= strdup(tmpdir
)) == NULL
)
184 err(1, "malloc tmpdir");
185 for (p
= tmpdir
+ strlen(tmpdir
) - 1; p
>= tmpdir
&& *p
== '/'; p
--)
187 obsolete(&argc
, &argv
);
188 while ((ch
= getopt(argc
, argv
,
190 #ifdef TRANSSELINUX /*GAN6May06 SELinux MLS */
201 "Rrs:tT:uvVxX:y")) != -1)
211 /* Change default tape blocksize. */
213 ntrec
= strtol(optarg
, &p
, 10);
215 errx(1, "illegal blocksize -- %s", optarg
);
217 errx(1, "block size must be greater than 0");
223 strncpy(filesys
, optarg
, NAMELEN
);
224 filesys
[NAMELEN
- 1] = '\0';
226 #ifdef TRANSSELINUX /*GAN6May06 SELinux MLS */
228 transselinuxflag
= 1;
229 transselinuxopt
= ch
;
232 transselinuxflag
= 1;
233 transselinuxarg
= optarg
;
234 transselinuxopt
= ch
;
244 if( !strcmp(optarg
,"-") )
255 dirhash_size
= strtol(optarg
, &p
, 10);
257 errx(1, "illegal hash size -- %s", optarg
);
258 if (dirhash_size
< 1)
259 errx(1, "hash size must be greater than 0");
277 "%c and %c options are mutually exclusive",
282 gTapeposfile
= optarg
;
283 createtapeposflag
= 1;
292 Lflag
= strtol(optarg
, &p
, 10);
294 errx(1, "illegal limit -- %s", optarg
);
296 errx(1, "limit must be greater than 0");
312 gTapeposfile
= optarg
;
318 /* Dumpnum (skip to) for multifile dump tapes. */
319 dumpnum
= strtol(optarg
, &p
, 10);
321 errx(1, "illegal dump number -- %s", optarg
);
323 errx(1, "dump number must be greater than 0");
335 if( !strcmp(optarg
,"-") ) {
340 if ( !(filelist
= fopen(optarg
,"r")) )
341 errx(1, "can't open file for reading -- %s", optarg
);
353 errx(1, "none of C, i, R, r, t or x options specified");
356 if (!mflag
&& tapeposflag
)
357 errx(1, "m and Q options are mutually exclusive");
359 if (tapeposflag
&& command
!= 'i' && command
!= 'x' && command
!= 't')
360 errx(1, "Q option is not valid for %c command", command
);
363 if (Afile
&& command
!= 'i' && command
!= 'x' && command
!= 't')
364 errx(1, "A option is not valid for %c command", command
);
366 #ifdef TRANSSELINUX /*GAN6May06 SELinux MLS */
367 if (transselinuxflag
&& !strchr("CirRx", command
))
368 errx(1, "%c option is not valid for %c command", transselinuxopt
, command
);
371 if (signal(SIGINT
, onintr
) == SIG_IGN
)
372 (void) signal(SIGINT
, SIG_IGN
);
373 if (signal(SIGTERM
, onintr
) == SIG_IGN
)
374 (void) signal(SIGTERM
, SIG_IGN
);
379 if (command
== 'C' && inputdev
[0] != '/' && strcmp(inputdev
, "-")
381 && !strchr(inputdev
, ':')
384 /* since we chdir into the directory we are comparing
385 * to, we must retain the full tape path */
386 char wd
[MAXPATHLEN
], fullpathinput
[MAXPATHLEN
];
387 if (!getcwd(wd
, MAXPATHLEN
))
388 err(1, "can't get current directory");
389 snprintf(fullpathinput
, MAXPATHLEN
, "%s/%s", wd
, inputdev
);
390 fullpathinput
[MAXPATHLEN
- 1] = '\0';
391 setinput(fullpathinput
);
396 wdfd
= open(".", O_RDONLY
);
398 err(1, "can't get current directory");
400 if (argc
== 0 && !filelist
) {
407 msg("reading QFA positions from %s\n", gTapeposfile
);
408 if ((gTapeposfp
= fopen(gTapeposfile
, "r")) == NULL
)
409 errx(1, "can't open file for reading -- %s",
411 /* start reading header info */
412 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
413 errx(1, "not requested format of -- %s", gTapeposfile
);
414 gTps
[strlen(gTps
) - 1] = 0; /* delete end of line */
415 if (strcmp(gTps
, QFA_MAGIC
) != 0)
416 errx(1, "not requested format of -- %s", gTapeposfile
);
417 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
418 errx(1, "not requested format of -- %s", gTapeposfile
);
419 gTps
[strlen(gTps
) - 1] = 0;
420 if (strcmp(gTps
, QFA_VERSION
) != 0)
421 errx(1, "not requested format of -- %s", gTapeposfile
);
423 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
424 errx(1, "not requested format of -- %s", gTapeposfile
);
425 gTps
[strlen(gTps
) - 1] = 0;
426 qfadumpdate
= atol(gTps
);
427 /* read empty line */
428 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
429 errx(1, "not requested format of -- %s", gTapeposfile
);
430 gTps
[strlen(gTps
) - 1] = 0;
431 /* read table header line */
432 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
433 errx(1, "not requested format of -- %s", gTapeposfile
);
434 gTps
[strlen(gTps
) - 1] = 0;
435 /* end reading header info */
436 /* tape position table starts here */
437 gSeekstart
= ftell(gTapeposfp
); /* remember for later use */
439 if (GetSCSIIDFromPath(inputdev
, &scsiid
)) {
440 errx(1, "can't get SCSI-ID for %s\n", inputdev
);
443 errx(1, "can't get SCSI-ID for %s\n", inputdev
);
445 sprintf(smtcpath
, "/dev/rsmtc%ld,0", scsiid
);
446 if ((fdsmtc
= open(smtcpath
, O_RDWR
)) == -1) {
447 errx(1, "can't open smtc device: %s, %d\n", smtcpath
, errno
);
455 * Compare contents of tape.
460 Vprintf(stdout
, "Begin compare restore\n");
461 compare_ignore_not_found
= 0;
466 printf("filesys = %s\n", filesys
);
467 if (STAT(filesys
, &stbuf
) < 0)
468 err(1, "cannot stat directory %s", filesys
);
469 if (chdir(filesys
) < 0)
470 err(1, "cannot cd to %s", filesys
);
471 compare_ignore_not_found
= dumptime
> 0;
472 initsymtable((char *)0);
474 treescan(".", ROOTINO
, nodeupdates
);
478 if (compare_errors
) {
479 printf("Some files were modified! %d compare errors\n", compare_errors
);
495 * Incremental restoration of a file system.
498 aflag
= 1; /* in -r or -R mode, -a is default */
502 * This is an incremental dump tape.
504 Vprintf(stdout
, "Begin incremental restore\n");
505 initsymtable(symtbl
);
508 Vprintf(stdout
, "Calculate node updates.\n");
509 treescan(".", ROOTINO
, nodeupdates
);
514 * This is a level zero dump tape.
516 Vprintf(stdout
, "Begin level 0 restore\n");
517 initsymtable((char *)0);
519 Vprintf(stdout
, "Calculate extraction list.\n");
520 treescan(".", ROOTINO
, nodeupdates
);
522 createleaves(symtbl
);
527 Vprintf(stdout
, "Verify the directory structure\n");
528 treescan(".", ROOTINO
, verifyfile
);
530 dumpsymtable(symtbl
, (long)1);
533 * Resume an incremental file system restoration.
536 aflag
= 1; /* in -r or -R mode, -a is default */
537 initsymtable(symtbl
);
540 createleaves(symtbl
);
544 dumpsymtable(symtbl
, (long)1);
547 /* handle file names from either text file (-X) or the command line */
548 #define NEXTFILE(p) \
554 else if (filelist) { \
555 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
556 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
557 *(p + strlen(p) - 1) = '\0'; \
558 if ( !*p ) /* skip empty lines */ \
564 * List contents of tape.
569 initsymtable((char *)0);
575 canon(p
, name
, sizeof(name
));
576 ino
= dirlookup(name
);
579 treescan(name
, ino
, listfile
);
583 * Batch extraction of tape contents.
587 tistart
= time(NULL
);
591 initsymtable((char *)0);
596 canon(p
, name
, sizeof(name
));
597 ino
= dirlookup(name
);
602 treescan(name
, ino
, addfile
);
606 setdirmodes(oflag
? FORCE
: 0);
616 titaken
= tiend
- tistart
;
617 msg("restore took %d:%02d:%02d\n", titaken
/ 3600,
618 (titaken
% 3600) / 60, titaken
% 60);
619 #endif /* DEBUG_QFA */
624 tistart
= time(NULL
);
627 if (GetSCSIIDFromPath(inputdev
, &scsiid
)) {
628 errx(1, "can't get SCSI-ID for %s\n", inputdev
);
631 errx(1, "can't get SCSI-ID for %s\n", inputdev
);
633 sprintf(smtcpath
, "/dev/rsmtc%ld,0", scsiid
);
634 if ((fdsmtc
= open(smtcpath
, O_RDWR
)) == -1) {
635 errx(1, "can't open smtc device: %s, %d\n", smtcpath
, errno
);
639 msg("writing QFA positions to %s\n", gTapeposfile
);
640 (void) umask(orig_umask
);
641 if ((gTapeposfd
= open(gTapeposfile
, O_WRONLY
|O_CREAT
|O_TRUNC
,
642 S_IRUSR
|S_IWUSR
|S_IRGRP
|S_IWGRP
643 |S_IROTH
|S_IWOTH
)) < 0)
644 errx(1, "can't create tapeposfile\n");
645 (void) umask(FORCED_UMASK
);
646 /* print QFA-file header */
647 sprintf(gTps
, "%s\n%s\n%ld\n\n", QFA_MAGIC
, QFA_VERSION
, (unsigned long)spcl
.c_date
);
648 if (write(gTapeposfd
, gTps
, strlen(gTps
)) != (ssize_t
)strlen(gTps
))
649 errx(1, "can't write tapeposfile\n");
650 sprintf(gTps
, "ino\ttapeno\ttapepos\n");
651 if (write(gTapeposfd
, gTps
, strlen(gTps
)) != (ssize_t
)strlen(gTps
))
652 errx(1, "can't write tapeposfile\n");
655 initsymtable((char *)0);
660 canon(p
, name
, sizeof(name
));
661 ino
= dirlookup(name
);
666 treescan(name
, ino
, addfile
);
676 titaken
= tiend
- tistart
;
677 msg("writing QFA positions took %d:%02d:%02d\n", titaken
/ 3600,
678 (titaken
% 3600) / 60, titaken
% 60);
679 #endif /* DEBUG_QFA */
685 return 0; /* gcc shut up */
691 char white
[MAXPATHLEN
];
692 const char *ext2ver
, *ext2date
;
694 memset(white
, ' ', MAXPATHLEN
);
695 white
[MIN(strlen(__progname
), MAXPATHLEN
- 1)] = '\0';
698 ext2fs_get_library_version(&ext2ver
, &ext2date
);
699 (void)fprintf(stderr
, "%s %s (using libext2fs %s of %s)\n",
700 __progname
, _DUMP_VERSION
, ext2ver
, ext2date
);
702 (void)fprintf(stderr
, "%s %s\n", __progname
, _DUMP_VERSION
);
712 #define qfaflag "[-Q file] "
717 #ifdef TRANSSELINUX /*GAN6May06 SELinux MLS */
719 # define tsEflag "[-E mls] "
726 "\t%s -C [-cd" tseflag
"H" kerbflag
"lMvVy] [-b blocksize] [-D filesystem] " tsEflag
"\n"
727 "\t%s [-f file] [-F script] [-L limit] [-s fileno]\n"
728 "\t%s -i [-acd" tseflag
"hH" kerbflag
"lmMouvVy] [-A file] [-b blocksize] " tsEflag
"\n"
729 "\t%s [-f file] [-F script] " qfaflag
"[-s fileno]\n"
731 "\t%s -P file [-acdhH" kerbflag
"lmMuvVy] [-A file] [-b blocksize]\n"
732 "\t%s [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
734 "\t%s -r [-cd" tseflag
"H" kerbflag
"lMuvVy] [-b blocksize] " tsEflag
"\n"
735 "\t%s [-f file] [-F script] [-s fileno] [-T directory]\n"
736 "\t%s -R [-cd" tseflag
"H" kerbflag
"lMuvVy] [-b blocksize] " tsEflag
"\n"
737 "\t%s [-f file] [-F script] [-s fileno] [-T directory]\n"
738 "\t%s -t [-cdhH" kerbflag
"lMuvVy] [-A file] [-b blocksize]\n"
739 "\t%s [-f file] [-F script] " qfaflag
"[-s fileno] [-X filelist] [file ...]\n"
740 "\t%s -x [-acd" tseflag
"hH" kerbflag
"lmMouvVy] [-A file] [-b blocksize] " tsEflag
"\n"
741 "\t%s [-f file] [-F script] " qfaflag
"[-s fileno] [-X filelist] [file ...]\n",
756 * Change set of key letters and ordered arguments into something
757 * getopt(3) will like.
760 obsolete(int *argcp
, char **argvp
[])
763 char *ap
, **argv
, *flagsp
= NULL
, **nargv
, *p
= NULL
;
769 /* Return if no arguments or first argument has leading dash. */
771 if (argc
== 1 || *ap
== '-')
774 /* Allocate space for new arguments. */
775 if ((*argvp
= nargv
= malloc((argc
+ 1) * sizeof(char *))) == NULL
||
776 (p
= flagsp
= malloc(strlen(ap
) + 2)) == NULL
)
777 err(1, "malloc args");
780 argv
+= 2, argc
-= 2;
782 for (flags
= 0; *ap
; ++ap
) {
796 warnx("option requires an argument -- %c", *ap
);
799 if ((nargv
[0] = malloc(strlen(*argv
) + 2 + 1)) == NULL
)
800 err(1, "malloc arg");
803 (void)strcpy(&nargv
[0][2], *argv
);
817 /* Terminate flags. */
823 /* Copy remaining arguments. */
824 while ((*nargv
++ = *argv
++));
826 /* Update argument count. */
827 *argcp
= nargv
- *argvp
- 1;
832 * reserve stdin for opt (avoid conflicts)
835 use_stdin(const char *opt
)
838 errx(1, "can't handle standard input for both %s and %s",