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@cybercable.fr>, 1999
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 copyright[] =
44 "@(#) Copyright (c) 1983, 1993\n\
45 The Regents of the University of California. All rights reserved.\n";
50 static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/4/95";
52 static const char rcsid[] =
53 "$Id: main.c,v 1.4 1999/10/11 13:08:09 stelian Exp $";
56 #include <sys/param.h>
61 #include <linux/ext2_fs.h>
62 #include <bsdcompat.h>
66 #include <ufs/ufs/dinode.h>
67 #endif /* __linux__ */
68 #include <protocols/dumprestore.h>
70 #include <compaterr.h>
76 #include <ext2fs/ext2fs.h>
80 #include "pathnames.h"
84 int bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
85 int hflag = 1, mflag = 1, Nflag = 0;
99 int compare_ignore_not_found;
100 char *filesys = NULL;
106 static void obsolete __P((int *, char **[]));
107 static void usage __P((void));
110 main(int argc, char *argv[])
114 char *inputdev = _PATH_DEFTAPE;
115 char *symtbl = "./restoresymtable";
116 char *p, name[MAXPATHLEN];
118 /* Temp files should *not* be readable. We set permissions later. */
122 __progname = argv[0];
128 if ((inputdev = getenv("TAPE")) == NULL)
129 inputdev = _PATH_DEFTAPE;
130 if ((tmpdir = getenv("TMPDIR")) == NULL)
132 if ((tmpdir = strdup(tmpdir)) == NULL)
133 err(1, "malloc tmpdir");
134 for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--)
136 obsolete(&argc, &argv);
138 #define optlist "b:CcdD:f:hikmNRrs:tT:uvxy"
140 #define optlist "b:CcdD:f:himNRrs:tT:uvxy"
142 while ((ch = getopt(argc, argv, optlist)) != -1)
145 /* Change default tape blocksize. */
147 ntrec = strtol(optarg, &p, 10);
149 errx(1, "illegal blocksize -- %s", optarg);
151 errx(1, "block size must be greater than 0");
184 "%c and %c options are mutually exclusive",
195 /* Dumpnum (skip to) for multifile dump tapes. */
196 dumpnum = strtol(optarg, &p, 10);
198 errx(1, "illegal dump number -- %s", optarg);
200 errx(1, "dump number must be greater than 0");
218 errx(1, "none of C, i, R, r, t or x options specified");
220 if (signal(SIGINT, onintr) == SIG_IGN)
221 (void) signal(SIGINT, SIG_IGN);
222 if (signal(SIGTERM, onintr) == SIG_IGN)
223 (void) signal(SIGTERM, SIG_IGN);
237 * Compare contents of tape.
242 Vprintf(stdout, "Begin compare restore\n");
243 compare_ignore_not_found = 0;
245 printf("filesys = %s\n", filesys);
246 if (stat(filesys, &stbuf) < 0)
247 err(1, "cannot stat directory %s", filesys);
248 if (chdir(filesys) < 0)
249 err(1, "cannot cd to %s", filesys);
250 compare_ignore_not_found = dumptime > 0;
251 initsymtable((char *)0);
253 treescan(".", ROOTINO, nodeupdates);
269 * Incremental restoration of a file system.
275 * This is an incremental dump tape.
277 Vprintf(stdout, "Begin incremental restore\n");
278 initsymtable(symtbl);
281 Vprintf(stdout, "Calculate node updates.\n");
282 treescan(".", ROOTINO, nodeupdates);
287 * This is a level zero dump tape.
289 Vprintf(stdout, "Begin level 0 restore\n");
290 initsymtable((char *)0);
292 Vprintf(stdout, "Calculate extraction list.\n");
293 treescan(".", ROOTINO, nodeupdates);
295 createleaves(symtbl);
300 Vprintf(stdout, "Verify the directory structure\n");
301 treescan(".", ROOTINO, verifyfile);
303 dumpsymtable(symtbl, (long)1);
306 * Resume an incremental file system restoration.
309 initsymtable(symtbl);
312 createleaves(symtbl);
316 dumpsymtable(symtbl, (long)1);
319 * List contents of tape.
324 initsymtable((char *)0);
326 canon(*argv++, name, sizeof(name));
327 ino = dirlookup(name);
330 treescan(name, ino, listfile);
334 * Batch extraction of tape contents.
339 initsymtable((char *)0);
341 canon(*argv++, name, sizeof(name));
342 ino = dirlookup(name);
347 treescan(name, ino, addfile);
358 return 0; /* gcc shut up */
369 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n\t%s\n",
370 "restore -i [-ch" kerbflag "muvy] [-b blocksize] [-f file] [-s fileno]",
371 "restore -r [-c" kerbflag "uvy] [-b blocksize] [-f file] [-s fileno]",
372 "restore -R [-c" kerbflag "uvy] [-b blocksize] [-f file] [-s fileno]",
373 "restore -x [-ch" kerbflag "muvy] [-b blocksize] [-f file] [-s fileno] [file ...]",
374 "restore -t [-ch" kerbflag "kuvy] [-b blocksize] [-f file] [-s fileno] [file ...]");
380 * Change set of key letters and ordered arguments into something
381 * getopt(3) will like.
384 obsolete(int *argcp, char **argvp[])
387 char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
393 /* Return if no arguments or first argument has leading dash. */
395 if (argc == 1 || *ap == '-')
398 /* Allocate space for new arguments. */
399 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
400 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
401 err(1, "malloc args");
404 argv += 2, argc -= 2;
406 for (flags = 0; *ap; ++ap) {
412 warnx("option requires an argument -- %c", *ap);
415 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
416 err(1, "malloc arg");
419 (void)strcpy(&nargv[0][2], *argv);
433 /* Terminate flags. */
439 /* Copy remaining arguments. */
440 while ((*nargv++ = *argv++));
442 /* Update argument count. */
443 *argcp = nargv - *argvp - 1;