]>
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 1.44 2003/03/30 15:40:38 stelian Exp $";
44 #include <compatlfs.h>
46 #include <sys/param.h>
53 #ifdef HAVE_EXT2FS_EXT2_FS_H
54 #include <ext2fs/ext2_fs.h>
56 #include <linux/ext2_fs.h>
58 #include <bsdcompat.h>
62 #include <ufs/ufs/dinode.h>
63 #endif /* __linux__ */
64 #include <protocols/dumprestore.h>
66 #include <compaterr.h>
72 #include <ext2fs/ext2fs.h>
76 #include "pathnames.h"
80 int aflag
= 0, bflag
= 0, cvtflag
= 0, dflag
= 0, vflag
= 0, yflag
= 0;
81 int hflag
= 1, mflag
= 1, Mflag
= 0, Nflag
= 0, Vflag
= 0, zflag
= 0;
82 int uflag
= 0, lflag
= 0, Lflag
= 0, oflag
= 0;
90 char *usedinomap
= NULL
;
96 int compare_ignore_not_found
;
98 char filesys
[NAMELEN
];
99 static const char *stdin_opt
= NULL
;
100 char *bot_script
= NULL
;
101 dump_ino_t volinfo
[TP_NINOS
];
110 int createtapeposflag
;
111 unsigned long qfadumpdate
;
112 long long curtapepos
;
115 #if defined(__linux__) || defined(sunos)
119 static void obsolete
__P((int *, char **[]));
120 static void usage
__P((void));
121 static void use_stdin
__P((const char *));
123 #define FORCED_UMASK (077)
126 main(int argc
, char *argv
[])
130 char *inputdev
= _PATH_DEFTAPE
;
131 char *symtbl
= "./restoresymtable";
132 char *p
, name
[MAXPATHLEN
];
133 FILE *filelist
= NULL
;
134 char fname
[MAXPATHLEN
];
137 time_t tistart
, tiend
, titaken
;
141 createtapeposflag
= 0;
144 /* Temp files should *not* be readable. We set permissions later. */
145 orig_umask
= umask(FORCED_UMASK
);
147 #if defined(__linux__) || defined(sunos)
148 __progname
= argv
[0];
154 if ((inputdev
= getenv("TAPE")) == NULL
)
155 inputdev
= _PATH_DEFTAPE
;
156 if ((tmpdir
= getenv("TMPDIR")) == NULL
)
158 if ((tmpdir
= strdup(tmpdir
)) == NULL
)
159 err(1, "malloc tmpdir");
160 for (p
= tmpdir
+ strlen(tmpdir
) - 1; p
>= tmpdir
&& *p
== '/'; p
--)
162 obsolete(&argc
, &argv
);
163 while ((ch
= getopt(argc
, argv
,
172 "Rrs:tT:uvVxX:y")) != -1)
182 /* Change default tape blocksize. */
184 ntrec
= strtol(optarg
, &p
, 10);
186 errx(1, "illegal blocksize -- %s", optarg
);
188 errx(1, "block size must be greater than 0");
194 strncpy(filesys
, optarg
, NAMELEN
);
195 filesys
[NAMELEN
- 1] = '\0';
204 if( !strcmp(optarg
,"-") )
230 "%c and %c options are mutually exclusive",
235 gTapeposfile
= optarg
;
236 createtapeposflag
= 1;
245 Lflag
= strtol(optarg
, &p
, 10);
247 errx(1, "illegal limit -- %s", optarg
);
249 errx(1, "limit must be greater than 0");
265 gTapeposfile
= optarg
;
271 /* Dumpnum (skip to) for multifile dump tapes. */
272 dumpnum
= strtol(optarg
, &p
, 10);
274 errx(1, "illegal dump number -- %s", optarg
);
276 errx(1, "dump number must be greater than 0");
288 if( !strcmp(optarg
,"-") ) {
293 if ( !(filelist
= fopen(optarg
,"r")) )
294 errx(1, "can't open file for reading -- %s", optarg
);
306 errx(1, "none of C, i, R, r, t or x options specified");
309 if (!mflag
&& tapeposflag
)
310 errx(1, "m and Q options are mutually exclusive");
312 if (tapeposflag
&& command
!= 'i' && command
!= 'x' && command
!= 't')
313 errx(1, "Q option is not valid for %c command", command
);
316 if (Afile
&& command
!= 'i' && command
!= 'x' && command
!= 't')
317 errx(1, "A option is not valid for %c command", command
);
319 if (signal(SIGINT
, onintr
) == SIG_IGN
)
320 (void) signal(SIGINT
, SIG_IGN
);
321 if (signal(SIGTERM
, onintr
) == SIG_IGN
)
322 (void) signal(SIGTERM
, SIG_IGN
);
327 if (command
== 'C' && inputdev
[0] != '/' && strcmp(inputdev
, "-")
329 && !strchr(inputdev
, ':')
332 /* since we chdir into the directory we are comparing
333 * to, we must retain the full tape path */
334 char wd
[MAXPATHLEN
], fullpathinput
[MAXPATHLEN
];
335 if (!getcwd(wd
, MAXPATHLEN
))
336 err(1, "can't get current directory");
337 snprintf(fullpathinput
, MAXPATHLEN
, "%s/%s", wd
, inputdev
);
338 fullpathinput
[MAXPATHLEN
- 1] = '\0';
339 setinput(fullpathinput
);
344 if (argc
== 0 && !filelist
) {
351 msg("reading QFA positions from %s\n", gTapeposfile
);
352 if ((gTapeposfp
= fopen(gTapeposfile
, "r")) == NULL
)
353 errx(1, "can't open file for reading -- %s",
355 /* start reading header info */
356 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
357 errx(1, "not requested format of -- %s", gTapeposfile
);
358 gTps
[strlen(gTps
) - 1] = 0; /* delete end of line */
359 if (strcmp(gTps
, QFA_MAGIC
) != 0)
360 errx(1, "not requested format of -- %s", gTapeposfile
);
361 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
362 errx(1, "not requested format of -- %s", gTapeposfile
);
363 gTps
[strlen(gTps
) - 1] = 0;
364 if (strcmp(gTps
, QFA_VERSION
) != 0)
365 errx(1, "not requested format of -- %s", gTapeposfile
);
367 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
368 errx(1, "not requested format of -- %s", gTapeposfile
);
369 gTps
[strlen(gTps
) - 1] = 0;
370 qfadumpdate
= atol(gTps
);
371 /* read empty line */
372 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
373 errx(1, "not requested format of -- %s", gTapeposfile
);
374 gTps
[strlen(gTps
) - 1] = 0;
375 /* read table header line */
376 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
377 errx(1, "not requested format of -- %s", gTapeposfile
);
378 gTps
[strlen(gTps
) - 1] = 0;
379 /* end reading header info */
380 /* tape position table starts here */
381 gSeekstart
= ftell(gTapeposfp
); /* remember for later use */
387 * Compare contents of tape.
392 Vprintf(stdout
, "Begin compare restore\n");
393 compare_ignore_not_found
= 0;
396 printf("filesys = %s\n", filesys
);
397 if (STAT(filesys
, &stbuf
) < 0)
398 err(1, "cannot stat directory %s", filesys
);
399 if (chdir(filesys
) < 0)
400 err(1, "cannot cd to %s", filesys
);
401 compare_ignore_not_found
= dumptime
> 0;
402 initsymtable((char *)0);
404 treescan(".", ROOTINO
, nodeupdates
);
407 if (compare_errors
) {
408 printf("Some files were modified!\n");
424 * Incremental restoration of a file system.
427 aflag
= 1; /* in -r or -R mode, -a is default */
431 * This is an incremental dump tape.
433 Vprintf(stdout
, "Begin incremental restore\n");
434 initsymtable(symtbl
);
437 Vprintf(stdout
, "Calculate node updates.\n");
438 treescan(".", ROOTINO
, nodeupdates
);
443 * This is a level zero dump tape.
445 Vprintf(stdout
, "Begin level 0 restore\n");
446 initsymtable((char *)0);
448 Vprintf(stdout
, "Calculate extraction list.\n");
449 treescan(".", ROOTINO
, nodeupdates
);
451 createleaves(symtbl
);
456 Vprintf(stdout
, "Verify the directory structure\n");
457 treescan(".", ROOTINO
, verifyfile
);
459 dumpsymtable(symtbl
, (long)1);
462 * Resume an incremental file system restoration.
465 aflag
= 1; /* in -r or -R mode, -a is default */
466 initsymtable(symtbl
);
469 createleaves(symtbl
);
473 dumpsymtable(symtbl
, (long)1);
476 /* handle file names from either text file (-X) or the command line */
477 #define NEXTFILE(p) \
483 else if (filelist) { \
484 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
485 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
486 *(p + strlen(p) - 1) = '\0'; \
487 if ( !*p ) /* skip empty lines */ \
493 * List contents of tape.
498 initsymtable((char *)0);
504 canon(p
, name
, sizeof(name
));
505 ino
= dirlookup(name
);
508 treescan(name
, ino
, listfile
);
512 * Batch extraction of tape contents.
516 tistart
= time(NULL
);
520 initsymtable((char *)0);
525 canon(p
, name
, sizeof(name
));
526 ino
= dirlookup(name
);
531 treescan(name
, ino
, addfile
);
535 setdirmodes(oflag
? FORCE
: 0);
540 titaken
= tiend
- tistart
;
541 msg("restore took %d:%02d:%02d\n", titaken
/ 3600,
542 (titaken
% 3600) / 60, titaken
% 60);
543 #endif /* DEBUG_QFA */
548 tistart
= time(NULL
);
551 msg("writing QFA positions to %s\n", gTapeposfile
);
552 (void) umask(orig_umask
);
553 if ((gTapeposfd
= open(gTapeposfile
, O_WRONLY
|O_CREAT
|O_TRUNC
,
554 S_IRUSR
|S_IWUSR
|S_IRGRP
|S_IWGRP
555 |S_IROTH
|S_IWOTH
)) < 0)
556 errx(1, "can't create tapeposfile\n");
557 (void) umask(FORCED_UMASK
);
558 /* print QFA-file header */
559 sprintf(gTps
, "%s\n%s\n%ld\n\n", QFA_MAGIC
, QFA_VERSION
,(unsigned long)spcl
.c_date
);
560 if (write(gTapeposfd
, gTps
, strlen(gTps
)) != (ssize_t
)strlen(gTps
))
561 errx(1, "can't write tapeposfile\n");
562 sprintf(gTps
, "ino\ttapeno\ttapepos\n");
563 if (write(gTapeposfd
, gTps
, strlen(gTps
)) != (ssize_t
)strlen(gTps
))
564 errx(1, "can't write tapeposfile\n");
567 initsymtable((char *)0);
572 canon(p
, name
, sizeof(name
));
573 ino
= dirlookup(name
);
578 treescan(name
, ino
, addfile
);
583 titaken
= tiend
- tistart
;
584 msg("writing QFA positions took %d:%02d:%02d\n", titaken
/ 3600,
585 (titaken
% 3600) / 60, titaken
% 60);
586 #endif /* DEBUG_QFA */
592 return 0; /* gcc shut up */
598 char white
[MAXPATHLEN
];
599 const char *ext2ver
, *ext2date
;
601 memset(white
, ' ', MAXPATHLEN
);
602 white
[MIN(strlen(__progname
), MAXPATHLEN
- 1)] = '\0';
605 ext2fs_get_library_version(&ext2ver
, &ext2date
);
606 (void)fprintf(stderr
, "%s %s (using libext2fs %s of %s)\n",
607 __progname
, _DUMP_VERSION
, ext2ver
, ext2date
);
609 (void)fprintf(stderr
, "%s %s\n", __progname
, _DUMP_VERSION
);
619 #define qfaflag "[-Q file] "
626 "\t%s -C [-cd" kerbflag
"lMvVy] [-b blocksize] [-D filesystem] [-f file]\n"
627 "\t%s [-F script] [-L limit] [-s fileno]\n"
628 "\t%s -i [-acdh" kerbflag
"lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
629 "\t%s [-F script] " qfaflag
"[-s fileno]\n"
631 "\t%s -P file [-acdh" kerbflag
"lmMuvVy] [-A file] [-b blocksize]\n"
632 "\t%s [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
634 "\t%s -r [-cd" kerbflag
"lMuvVy] [-b blocksize] [-f file] [-F script]\n"
635 "\t%s [-s fileno] [-T directory]\n"
636 "\t%s -R [-cd" kerbflag
"lMuvVy] [-b blocksize] [-f file] [-F script]\n"
637 "\t%s [-s fileno] [-T directory]\n"
638 "\t%s -t [-cdh" kerbflag
"lMuvVy] [-A file] [-b blocksize] [-f file]\n"
639 "\t%s [-F script] " qfaflag
"[-s fileno] [-X filelist] [file ...]\n"
640 "\t%s -x [-acdh" kerbflag
"lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
641 "\t%s [-F script] " qfaflag
"[-s fileno] [-X filelist] [file ...]\n",
656 * Change set of key letters and ordered arguments into something
657 * getopt(3) will like.
660 obsolete(int *argcp
, char **argvp
[])
663 char *ap
, **argv
, *flagsp
= NULL
, **nargv
, *p
= NULL
;
669 /* Return if no arguments or first argument has leading dash. */
671 if (argc
== 1 || *ap
== '-')
674 /* Allocate space for new arguments. */
675 if ((*argvp
= nargv
= malloc((argc
+ 1) * sizeof(char *))) == NULL
||
676 (p
= flagsp
= malloc(strlen(ap
) + 2)) == NULL
)
677 err(1, "malloc args");
680 argv
+= 2, argc
-= 2;
682 for (flags
= 0; *ap
; ++ap
) {
695 warnx("option requires an argument -- %c", *ap
);
698 if ((nargv
[0] = malloc(strlen(*argv
) + 2 + 1)) == NULL
)
699 err(1, "malloc arg");
702 (void)strcpy(&nargv
[0][2], *argv
);
716 /* Terminate flags. */
722 /* Copy remaining arguments. */
723 while ((*nargv
++ = *argv
++));
725 /* Update argument count. */
726 *argcp
= nargv
- *argvp
- 1;
731 * reserve stdin for opt (avoid conflicts)
734 use_stdin(const char *opt
)
737 errx(1, "can't handle standard input for both %s and %s",