]>
git.wh0rd.org - dump.git/blob - restore/main.c
ad0496816a68d42e5265ced41c83751ec56e4b02
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 <pop@noos.fr>, 1999-2000
6 * Stelian Pop <pop@noos.fr> - AlcĂ´ve <www.alcove.fr>, 2000
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. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the University of
24 * California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 * may be used to endorse or promote products derived from this software
27 * without specific prior written permission.
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 static const char rcsid
[] =
44 "$Id: main.c,v 1.31 2001/11/13 12:11:42 stelian Exp $";
48 #include <compatlfs.h>
49 #include <sys/param.h>
56 #ifdef HAVE_EXT2FS_EXT2_FS_H
57 #include <ext2fs/ext2_fs.h>
59 #include <linux/ext2_fs.h>
61 #include <bsdcompat.h>
65 #include <ufs/ufs/dinode.h>
66 #endif /* __linux__ */
67 #include <protocols/dumprestore.h>
69 #include <compaterr.h>
75 #include <ext2fs/ext2fs.h>
79 #include "pathnames.h"
83 int bflag
= 0, cvtflag
= 0, dflag
= 0, vflag
= 0, yflag
= 0;
84 int hflag
= 1, mflag
= 1, Mflag
= 0, Nflag
= 0, Vflag
= 0, zflag
= 0;
98 int compare_ignore_not_found
;
100 char filesys
[NAMELEN
];
101 static const char *stdin_opt
= NULL
;
102 char *bot_script
= NULL
;
116 static void obsolete
__P((int *, char **[]));
117 static void usage
__P((void));
118 static void use_stdin
__P((const char *));
121 main(int argc
, char *argv
[])
125 char *inputdev
= _PATH_DEFTAPE
;
126 char *symtbl
= "./restoresymtable";
127 char *p
, name
[MAXPATHLEN
];
128 FILE *filelist
= NULL
;
129 char fname
[MAXPATHLEN
];
134 time_t tistart
, tiend
, titaken
;
137 /* Temp files should *not* be readable. We set permissions later. */
141 __progname
= argv
[0];
147 if ((inputdev
= getenv("TAPE")) == NULL
)
148 inputdev
= _PATH_DEFTAPE
;
149 if ((tmpdir
= getenv("TMPDIR")) == NULL
)
151 if ((tmpdir
= strdup(tmpdir
)) == NULL
)
152 err(1, "malloc tmpdir");
153 for (p
= tmpdir
+ strlen(tmpdir
) - 1; p
>= tmpdir
&& *p
== '/'; p
--)
155 obsolete(&argc
, &argv
);
156 while ((ch
= getopt(argc
, argv
,
165 "Rrs:tT:uvVxX:y")) != -1)
168 /* Change default tape blocksize. */
170 ntrec
= strtol(optarg
, &p
, 10);
172 errx(1, "illegal blocksize -- %s", optarg
);
174 errx(1, "block size must be greater than 0");
180 strncpy(filesys
, optarg
, NAMELEN
);
181 filesys
[NAMELEN
- 1] = '\0';
190 if( !strcmp(optarg
,"-") )
213 "%c and %c options are mutually exclusive",
228 gTapeposfile
= optarg
;
233 /* Dumpnum (skip to) for multifile dump tapes. */
234 dumpnum
= strtol(optarg
, &p
, 10);
236 errx(1, "illegal dump number -- %s", optarg
);
238 errx(1, "dump number must be greater than 0");
250 if( !strcmp(optarg
,"-") ) {
255 if ( !(filelist
= fopen(optarg
,"r")) )
256 errx(1, "can't open file for reading -- %s", optarg
);
268 errx(1, "none of C, i, R, r, t or x options specified");
271 if (!mflag
&& tapeposflag
)
272 errx(1, "m and Q options are mutually exclusive");
275 if (signal(SIGINT
, onintr
) == SIG_IGN
)
276 (void) signal(SIGINT
, SIG_IGN
);
277 if (signal(SIGTERM
, onintr
) == SIG_IGN
)
278 (void) signal(SIGTERM
, SIG_IGN
);
283 if (command
== 'C' && inputdev
[0] != '/' && strcmp(inputdev
, "-")) {
284 /* since we chdir into the directory we are comparing
285 * to, we must retain the full tape path */
286 char wd
[MAXPATHLEN
], fullpathinput
[MAXPATHLEN
];
287 if (!getcwd(wd
, MAXPATHLEN
))
288 err(1, "can't get current directory");
289 snprintf(fullpathinput
, MAXPATHLEN
, "%s/%s", wd
, inputdev
);
290 fullpathinput
[MAXPATHLEN
- 1] = '\0';
291 setinput(fullpathinput
);
296 if (argc
== 0 && !filelist
) {
303 msg("reading QFA positions from %s\n", gTapeposfile
);
304 if ((gTapeposfp
= fopen(gTapeposfile
, "r")) == NULL
)
305 errx(1, "can't open file for reading -- %s",
307 /* start reading header info */
308 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
309 errx(1, "not requested format of -- %s", gTapeposfile
);
310 gTps
[strlen(gTps
) - 1] = 0; /* delete end of line */
311 if (strcmp(gTps
, QFA_MAGIC
) != 0)
312 errx(1, "not requested format of -- %s", gTapeposfile
);
313 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
314 errx(1, "not requested format of -- %s", gTapeposfile
);
315 gTps
[strlen(gTps
) - 1] = 0;
316 if (strcmp(gTps
, QFA_VERSION
) != 0)
317 errx(1, "not requested format of -- %s", gTapeposfile
);
319 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
320 errx(1, "not requested format of -- %s", gTapeposfile
);
321 gTps
[strlen(gTps
) - 1] = 0;
322 /* TODO: check dumpdate from QFA file with current dump file's
324 /* if not equal either output warning and continue without QFA
326 /* read empty line */
327 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
328 errx(1, "not requested format of -- %s", gTapeposfile
);
329 gTps
[strlen(gTps
) - 1] = 0;
330 /* read table header line */
331 if (fgets(gTps
, sizeof(gTps
), gTapeposfp
) == NULL
)
332 errx(1, "not requested format of -- %s", gTapeposfile
);
333 gTps
[strlen(gTps
) - 1] = 0;
334 /* end reading header info */
335 /* tape position table starts here */
336 gSeekstart
= ftell(gTapeposfp
); /* remember for later use */
342 * Compare contents of tape.
347 Vprintf(stdout
, "Begin compare restore\n");
348 compare_ignore_not_found
= 0;
351 printf("filesys = %s\n", filesys
);
352 if (STAT(filesys
, &stbuf
) < 0)
353 err(1, "cannot stat directory %s", filesys
);
354 if (chdir(filesys
) < 0)
355 err(1, "cannot cd to %s", filesys
);
356 compare_ignore_not_found
= dumptime
> 0;
357 initsymtable((char *)0);
359 treescan(".", ROOTINO
, nodeupdates
);
362 if (compare_errors
) {
363 printf("Some files were modified!\n");
379 * Incremental restoration of a file system.
385 * This is an incremental dump tape.
387 Vprintf(stdout
, "Begin incremental restore\n");
388 initsymtable(symtbl
);
391 Vprintf(stdout
, "Calculate node updates.\n");
392 treescan(".", ROOTINO
, nodeupdates
);
397 * This is a level zero dump tape.
399 Vprintf(stdout
, "Begin level 0 restore\n");
400 initsymtable((char *)0);
402 Vprintf(stdout
, "Calculate extraction list.\n");
403 treescan(".", ROOTINO
, nodeupdates
);
405 createleaves(symtbl
);
410 Vprintf(stdout
, "Verify the directory structure\n");
411 treescan(".", ROOTINO
, verifyfile
);
413 dumpsymtable(symtbl
, (long)1);
416 * Resume an incremental file system restoration.
419 initsymtable(symtbl
);
422 createleaves(symtbl
);
426 dumpsymtable(symtbl
, (long)1);
429 /* handle file names from either text file (-X) or the command line */
430 #define NEXTFILE(p) \
436 else if (filelist) { \
437 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
438 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
439 *(p + strlen(p) - 1) = '\0'; \
440 if ( !*p ) /* skip empty lines */ \
446 * List contents of tape.
451 initsymtable((char *)0);
456 canon(p
, name
, sizeof(name
));
457 ino
= dirlookup(name
);
460 treescan(name
, ino
, listfile
);
464 * Batch extraction of tape contents.
468 tistart
= time(NULL
);
472 initsymtable((char *)0);
477 canon(p
, name
, sizeof(name
));
478 ino
= dirlookup(name
);
483 treescan(name
, ino
, addfile
);
492 titaken
= tiend
- tistart
;
493 msg("restore took %d:%02d:%02d\n", titaken
/ 3600,
494 (titaken
% 3600) / 60, titaken
% 60);
495 #endif /* USE_QFADEBUG */
500 return 0; /* gcc shut up */
507 const char *ext2ver
, *ext2date
;
509 ext2fs_get_library_version(&ext2ver
, &ext2date
);
510 (void)fprintf(stderr
, "%s %s (using libext2fs %s of %s)\n",
511 __progname
, _DUMP_VERSION
, ext2ver
, ext2date
);
513 (void)fprintf(stderr
, "%s %s\n", __progname
, _DUMP_VERSION
);
523 #define qfaflag "[-Q file] "
528 (void)fprintf(stderr
,
529 "usage:\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n",
530 __progname
, " -C [-c" kerbflag
"MvVy] [-b blocksize] [-D filesystem] [-f file] [-F script] [-s fileno]",
531 __progname
, " -i [-ch" kerbflag
"mMuvVy] [-b blocksize] [-f file] [-F script] " qfaflag
"[-s fileno]",
532 __progname
, " -r [-c" kerbflag
"MuvVy] [-b blocksize] [-f file] [-F script] [-s fileno] [-T directory]",
533 __progname
, " -R [-c" kerbflag
"MuvVy] [-b blocksize] [-f file] [-F script] [-s fileno] [-T directory]",
534 __progname
, " -t [-ch" kerbflag
"MuvVy] [-b blocksize] [-f file] [-F script] " qfaflag
"[-s fileno] [-X filelist] [file ...]",
535 __progname
, " -x [-ch" kerbflag
"mMuvVy] [-b blocksize] [-f file] [-F script] " qfaflag
"[-s fileno] [-X filelist] [file ...]");
541 * Change set of key letters and ordered arguments into something
542 * getopt(3) will like.
545 obsolete(int *argcp
, char **argvp
[])
548 char *ap
, **argv
, *flagsp
= NULL
, **nargv
, *p
= NULL
;
554 /* Return if no arguments or first argument has leading dash. */
556 if (argc
== 1 || *ap
== '-')
559 /* Allocate space for new arguments. */
560 if ((*argvp
= nargv
= malloc((argc
+ 1) * sizeof(char *))) == NULL
||
561 (p
= flagsp
= malloc(strlen(ap
) + 2)) == NULL
)
562 err(1, "malloc args");
565 argv
+= 2, argc
-= 2;
567 for (flags
= 0; *ap
; ++ap
) {
578 warnx("option requires an argument -- %c", *ap
);
581 if ((nargv
[0] = malloc(strlen(*argv
) + 2 + 1)) == NULL
)
582 err(1, "malloc arg");
585 (void)strcpy(&nargv
[0][2], *argv
);
599 /* Terminate flags. */
605 /* Copy remaining arguments. */
606 while ((*nargv
++ = *argv
++));
608 /* Update argument count. */
609 *argcp
= nargv
- *argvp
- 1;
614 * reserve stdin for opt (avoid conflicts)
617 use_stdin(const char *opt
)
620 errx(1, "can't handle standard input for both %s and %s",