]>
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 <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 1.15 2000/12/21 11:14:54 stelian Exp $";
48 #include <sys/param.h>
53 #include <linux/ext2_fs.h>
54 #include <bsdcompat.h>
58 #include <ufs/ufs/dinode.h>
59 #endif /* __linux__ */
60 #include <protocols/dumprestore.h>
62 #include <compaterr.h>
68 #include <ext2fs/ext2fs.h>
72 #include "pathnames.h"
76 int bflag
= 0, cvtflag
= 0, dflag
= 0, vflag
= 0, yflag
= 0;
77 int hflag
= 1, mflag
= 1, Nflag
= 0;
91 int compare_ignore_not_found
;
93 char filesys
[NAMELEN
];
94 static const char *stdin_opt
= NULL
;
100 static void obsolete
__P((int *, char **[]));
101 static void usage
__P((void));
102 static void use_stdin
__P((const char *));
105 main(int argc
, char *argv
[])
109 char *inputdev
= _PATH_DEFTAPE
;
110 char *symtbl
= "./restoresymtable";
111 char *p
, name
[MAXPATHLEN
];
112 FILE *filelist
= NULL
;
113 char fname
[MAXPATHLEN
];
115 /* Temp files should *not* be readable. We set permissions later. */
119 __progname
= argv
[0];
125 if ((inputdev
= getenv("TAPE")) == NULL
)
126 inputdev
= _PATH_DEFTAPE
;
127 if ((tmpdir
= getenv("TMPDIR")) == NULL
)
129 if ((tmpdir
= strdup(tmpdir
)) == NULL
)
130 err(1, "malloc tmpdir");
131 for (p
= tmpdir
+ strlen(tmpdir
) - 1; p
>= tmpdir
&& *p
== '/'; p
--)
133 obsolete(&argc
, &argv
);
135 #define optlist "b:CcdD:f:hikmMNRrs:tT:uvxX:y"
137 #define optlist "b:CcdD:f:himMNRrs:tT:uvxX:y"
139 while ((ch
= getopt(argc
, argv
, optlist
)) != -1)
142 /* Change default tape blocksize. */
144 ntrec
= strtol(optarg
, &p
, 10);
146 errx(1, "illegal blocksize -- %s", optarg
);
148 errx(1, "block size must be greater than 0");
154 strncpy(filesys
, optarg
, NAMELEN
);
155 filesys
[NAMELEN
- 1] = '\0';
164 if( !strcmp(optarg
,"-") )
184 "%c and %c options are mutually exclusive",
198 /* Dumpnum (skip to) for multifile dump tapes. */
199 dumpnum
= strtol(optarg
, &p
, 10);
201 errx(1, "illegal dump number -- %s", optarg
);
203 errx(1, "dump number must be greater than 0");
212 if( !strcmp(optarg
,"-") ) {
217 if ( !(filelist
= fopen(optarg
,"r")) )
218 errx(1, "can't open file for reading -- %s", optarg
);
230 errx(1, "none of C, i, R, r, t or x options specified");
232 if (signal(SIGINT
, onintr
) == SIG_IGN
)
233 (void) signal(SIGINT
, SIG_IGN
);
234 if (signal(SIGTERM
, onintr
) == SIG_IGN
)
235 (void) signal(SIGTERM
, SIG_IGN
);
242 if (argc
== 0 && !filelist
) {
249 * Compare contents of tape.
254 Vprintf(stdout
, "Begin compare restore\n");
255 compare_ignore_not_found
= 0;
258 printf("filesys = %s\n", filesys
);
259 if (stat(filesys
, &stbuf
) < 0)
260 err(1, "cannot stat directory %s", filesys
);
261 if (chdir(filesys
) < 0)
262 err(1, "cannot cd to %s", filesys
);
263 compare_ignore_not_found
= dumptime
> 0;
264 initsymtable((char *)0);
266 treescan(".", ROOTINO
, nodeupdates
);
269 if (compare_errors
) {
270 printf("Some files were modified!\n");
286 * Incremental restoration of a file system.
292 * This is an incremental dump tape.
294 Vprintf(stdout
, "Begin incremental restore\n");
295 initsymtable(symtbl
);
298 Vprintf(stdout
, "Calculate node updates.\n");
299 treescan(".", ROOTINO
, nodeupdates
);
304 * This is a level zero dump tape.
306 Vprintf(stdout
, "Begin level 0 restore\n");
307 initsymtable((char *)0);
309 Vprintf(stdout
, "Calculate extraction list.\n");
310 treescan(".", ROOTINO
, nodeupdates
);
312 createleaves(symtbl
);
317 Vprintf(stdout
, "Verify the directory structure\n");
318 treescan(".", ROOTINO
, verifyfile
);
320 dumpsymtable(symtbl
, (long)1);
323 * Resume an incremental file system restoration.
326 initsymtable(symtbl
);
329 createleaves(symtbl
);
333 dumpsymtable(symtbl
, (long)1);
336 /* handle file names from either text file (-X) or the command line */
337 #define NEXTFILE(p) \
343 else if (filelist) { \
344 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
345 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
346 *(p + strlen(p) - 1) = '\0'; \
347 if ( !*p ) /* skip empty lines */ \
353 * List contents of tape.
358 initsymtable((char *)0);
363 canon(p
, name
, sizeof(name
));
364 ino
= dirlookup(name
);
367 treescan(name
, ino
, listfile
);
371 * Batch extraction of tape contents.
376 initsymtable((char *)0);
381 canon(p
, name
, sizeof(name
));
382 ino
= dirlookup(name
);
387 treescan(name
, ino
, addfile
);
398 return 0; /* gcc shut up */
409 (void)fprintf(stderr
,
410 "%s %s\n", __progname
, _DUMP_VERSION
);
411 (void)fprintf(stderr
,
412 "usage:\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n",
413 __progname
, " -i [-ch" kerbflag
"mMuvy] [-b blocksize] [-f file] [-s fileno]",
414 __progname
, " -r [-c" kerbflag
"Muvy] [-b blocksize] [-f file] [-s fileno]",
415 __progname
, " -R [-c" kerbflag
"Muvy] [-b blocksize] [-f file] [-s fileno]",
416 __progname
, " -x [-ch" kerbflag
"mMuvy] [-b blocksize] [-f file] [-s fileno] [-X filelist] [file ...]",
417 __progname
, " -t [-ch" kerbflag
"Muvy] [-b blocksize] [-f file] [-s fileno] [-X filelist] [file ...]");
423 * Change set of key letters and ordered arguments into something
424 * getopt(3) will like.
427 obsolete(int *argcp
, char **argvp
[])
430 char *ap
, **argv
, *flagsp
= NULL
, **nargv
, *p
= NULL
;
436 /* Return if no arguments or first argument has leading dash. */
438 if (argc
== 1 || *ap
== '-')
441 /* Allocate space for new arguments. */
442 if ((*argvp
= nargv
= malloc((argc
+ 1) * sizeof(char *))) == NULL
||
443 (p
= flagsp
= malloc(strlen(ap
) + 2)) == NULL
)
444 err(1, "malloc args");
447 argv
+= 2, argc
-= 2;
449 for (flags
= 0; *ap
; ++ap
) {
458 warnx("option requires an argument -- %c", *ap
);
461 if ((nargv
[0] = malloc(strlen(*argv
) + 2 + 1)) == NULL
)
462 err(1, "malloc arg");
465 (void)strcpy(&nargv
[0][2], *argv
);
479 /* Terminate flags. */
485 /* Copy remaining arguments. */
486 while ((*nargv
++ = *argv
++));
488 /* Update argument count. */
489 *argcp
= nargv
- *argvp
- 1;
494 * reserve stdin for opt (avoid conflicts)
497 use_stdin(const char *opt
)
500 errx(1, "can't handle standard input for both %s and %s",