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 1.21 2001/04/24 10:59:13 stelian Exp $";
48 #include <sys/param.h>
55 #ifdef HAVE_EXT2FS_EXT2_FS_H
56 #include <ext2fs/ext2_fs.h>
58 #include <linux/ext2_fs.h>
60 #include <bsdcompat.h>
64 #include <ufs/ufs/dinode.h>
65 #endif /* __linux__ */
66 #include <protocols/dumprestore.h>
68 #include <compaterr.h>
74 #include <ext2fs/ext2fs.h>
78 #include "pathnames.h"
82 int bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
83 int hflag = 1, mflag = 1, Nflag = 0, zflag = 0;
97 int compare_ignore_not_found;
99 char filesys[NAMELEN];
100 static const char *stdin_opt = NULL;
106 static void obsolete __P((int *, char **[]));
107 static void usage __P((void));
108 static void use_stdin __P((const char *));
111 main(int argc, char *argv[])
115 char *inputdev = _PATH_DEFTAPE;
116 char *symtbl = "./restoresymtable";
117 char *p, name[MAXPATHLEN];
118 FILE *filelist = NULL;
119 char fname[MAXPATHLEN];
121 time_t tistart, tiend, titaken;
125 /* Temp files should *not* be readable. We set permissions later. */
129 __progname = argv[0];
135 if ((inputdev = getenv("TAPE")) == NULL)
136 inputdev = _PATH_DEFTAPE;
137 if ((tmpdir = getenv("TMPDIR")) == NULL)
139 if ((tmpdir = strdup(tmpdir)) == NULL)
140 err(1, "malloc tmpdir");
141 for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--)
143 obsolete(&argc, &argv);
144 while ((ch = getopt(argc, argv,
153 "Rrs:tT:uvxX:y")) != -1)
156 /* Change default tape blocksize. */
158 ntrec = strtol(optarg, &p, 10);
160 errx(1, "illegal blocksize -- %s", optarg);
162 errx(1, "block size must be greater than 0");
168 strncpy(filesys, optarg, NAMELEN);
169 filesys[NAMELEN - 1] = '\0';
178 if( !strcmp(optarg,"-") )
198 "%c and %c options are mutually exclusive",
213 gTapeposfile = optarg;
218 /* Dumpnum (skip to) for multifile dump tapes. */
219 dumpnum = strtol(optarg, &p, 10);
221 errx(1, "illegal dump number -- %s", optarg);
223 errx(1, "dump number must be greater than 0");
232 if( !strcmp(optarg,"-") ) {
237 if ( !(filelist = fopen(optarg,"r")) )
238 errx(1, "can't open file for reading -- %s", optarg);
250 errx(1, "none of C, i, R, r, t or x options specified");
252 if (signal(SIGINT, onintr) == SIG_IGN)
253 (void) signal(SIGINT, SIG_IGN);
254 if (signal(SIGTERM, onintr) == SIG_IGN)
255 (void) signal(SIGTERM, SIG_IGN);
262 if (argc == 0 && !filelist) {
269 msg("reading QFA positions from %s\n", gTapeposfile);
270 if ((gTapeposfp = fopen(gTapeposfile, "r")) == NULL)
271 errx(1, "can't open file for reading -- %s",
273 /* start reading header info */
274 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
275 errx(1, "not requested format of -- %s", gTapeposfile);
276 gTps[strlen(gTps) - 1] = 0; /* delete end of line */
277 if (strcmp(gTps, QFA_MAGIC) != 0)
278 errx(1, "not requested format of -- %s", gTapeposfile);
279 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
280 errx(1, "not requested format of -- %s", gTapeposfile);
281 gTps[strlen(gTps) - 1] = 0;
282 if (strcmp(gTps, QFA_VERSION) != 0)
283 errx(1, "not requested format of -- %s", gTapeposfile);
285 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
286 errx(1, "not requested format of -- %s", gTapeposfile);
287 gTps[strlen(gTps) - 1] = 0;
288 /* TODO: check dumpdate from QFA file with current dump file's
290 /* if not equal either output warning and continue without QFA
292 /* read empty line */
293 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
294 errx(1, "not requested format of -- %s", gTapeposfile);
295 gTps[strlen(gTps) - 1] = 0;
296 /* read table header line */
297 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
298 errx(1, "not requested format of -- %s", gTapeposfile);
299 gTps[strlen(gTps) - 1] = 0;
300 /* end reading header info */
301 /* tape position table starts here */
302 gSeekstart = ftell(gTapeposfp); /* remember for later use */
308 * Compare contents of tape.
313 Vprintf(stdout, "Begin compare restore\n");
314 compare_ignore_not_found = 0;
317 printf("filesys = %s\n", filesys);
318 if (stat(filesys, &stbuf) < 0)
319 err(1, "cannot stat directory %s", filesys);
320 if (chdir(filesys) < 0)
321 err(1, "cannot cd to %s", filesys);
322 compare_ignore_not_found = dumptime > 0;
323 initsymtable((char *)0);
325 treescan(".", ROOTINO, nodeupdates);
328 if (compare_errors) {
329 printf("Some files were modified!\n");
345 * Incremental restoration of a file system.
351 * This is an incremental dump tape.
353 Vprintf(stdout, "Begin incremental restore\n");
354 initsymtable(symtbl);
357 Vprintf(stdout, "Calculate node updates.\n");
358 treescan(".", ROOTINO, nodeupdates);
363 * This is a level zero dump tape.
365 Vprintf(stdout, "Begin level 0 restore\n");
366 initsymtable((char *)0);
368 Vprintf(stdout, "Calculate extraction list.\n");
369 treescan(".", ROOTINO, nodeupdates);
371 createleaves(symtbl);
376 Vprintf(stdout, "Verify the directory structure\n");
377 treescan(".", ROOTINO, verifyfile);
379 dumpsymtable(symtbl, (long)1);
382 * Resume an incremental file system restoration.
385 initsymtable(symtbl);
388 createleaves(symtbl);
392 dumpsymtable(symtbl, (long)1);
395 /* handle file names from either text file (-X) or the command line */
396 #define NEXTFILE(p) \
402 else if (filelist) { \
403 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
404 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
405 *(p + strlen(p) - 1) = '\0'; \
406 if ( !*p ) /* skip empty lines */ \
412 * List contents of tape.
417 initsymtable((char *)0);
422 canon(p, name, sizeof(name));
423 ino = dirlookup(name);
426 treescan(name, ino, listfile);
430 * Batch extraction of tape contents.
434 tistart = time(NULL);
438 initsymtable((char *)0);
443 canon(p, name, sizeof(name));
444 ino = dirlookup(name);
449 treescan(name, ino, addfile);
458 titaken = tiend - tistart;
460 msg("restore took %d:%02d:%02d\n", titaken / 3600,
461 (titaken % 3600) / 60, titaken % 60);
468 return 0; /* gcc shut up */
475 const char *ext2ver, *ext2date;
477 ext2fs_get_library_version(&ext2ver, &ext2date);
478 (void)fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
479 __progname, _DUMP_VERSION, ext2ver, ext2date);
481 (void)fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
491 #define qfaflag "[-Q file] "
496 (void)fprintf(stderr,
497 "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",
498 __progname, " -C [-c" kerbflag "Mvy] [-b blocksize] [-D filesystem] [-f file] [-s fileno]",
499 __progname, " -i [-ch" kerbflag "mMuvy] [-b blocksize] [-f file] [-s fileno]",
500 __progname, " -r [-c" kerbflag "Muvy] [-b blocksize] [-f file] " qfaflag "[-s fileno] [-T directory]",
501 __progname, " -R [-c" kerbflag "Muvy] [-b blocksize] [-f file] [-s fileno] [-T directory]",
502 __progname, " -t [-ch" kerbflag "Muvy] [-b blocksize] [-f file] [-s fileno] [-X filelist] [file ...]",
503 __progname, " -x [-ch" kerbflag "mMuvy] [-b blocksize] [-f file] [-s fileno] [-X filelist] [file ...]");
509 * Change set of key letters and ordered arguments into something
510 * getopt(3) will like.
513 obsolete(int *argcp, char **argvp[])
516 char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
522 /* Return if no arguments or first argument has leading dash. */
524 if (argc == 1 || *ap == '-')
527 /* Allocate space for new arguments. */
528 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
529 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
530 err(1, "malloc args");
533 argv += 2, argc -= 2;
535 for (flags = 0; *ap; ++ap) {
545 warnx("option requires an argument -- %c", *ap);
548 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
549 err(1, "malloc arg");
552 (void)strcpy(&nargv[0][2], *argv);
566 /* Terminate flags. */
572 /* Copy remaining arguments. */
573 while ((*nargv++ = *argv++));
575 /* Update argument count. */
576 *argcp = nargv - *argvp - 1;
581 * reserve stdin for opt (avoid conflicts)
584 use_stdin(const char *opt)
587 errx(1, "can't handle standard input for both %s and %s",