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>, 1999-2000
9 * Copyright (c) 1983, 1993
10 * The Regents of the University of California. All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 static const char rcsid[] =
43 "$Id: main.c,v 1.12 2000/05/28 16:52:21 stelian Exp $";
46 #include <sys/param.h>
51 #include <linux/ext2_fs.h>
52 #include <bsdcompat.h>
56 #include <ufs/ufs/dinode.h>
57 #endif /* __linux__ */
58 #include <protocols/dumprestore.h>
60 #include <compaterr.h>
66 #include <ext2fs/ext2fs.h>
70 #include "pathnames.h"
74 int bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
75 int hflag = 1, mflag = 1, Nflag = 0;
89 int compare_ignore_not_found;
91 char filesys[NAMELEN];
92 static const char *stdin_opt = NULL;
98 static void obsolete __P((int *, char **[]));
99 static void usage __P((void));
100 static void use_stdin __P((const char *));
103 main(int argc, char *argv[])
107 char *inputdev = _PATH_DEFTAPE;
108 char *symtbl = "./restoresymtable";
109 char *p, name[MAXPATHLEN];
110 FILE *filelist = NULL;
111 char fname[MAXPATHLEN];
113 /* Temp files should *not* be readable. We set permissions later. */
117 __progname = argv[0];
123 if ((inputdev = getenv("TAPE")) == NULL)
124 inputdev = _PATH_DEFTAPE;
125 if ((tmpdir = getenv("TMPDIR")) == NULL)
127 if ((tmpdir = strdup(tmpdir)) == NULL)
128 err(1, "malloc tmpdir");
129 for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--)
131 obsolete(&argc, &argv);
133 #define optlist "b:CcdD:f:hikmMNRrs:tT:uvxX:y"
135 #define optlist "b:CcdD:f:himMNRrs:tT:uvxX:y"
137 while ((ch = getopt(argc, argv, optlist)) != -1)
140 /* Change default tape blocksize. */
142 ntrec = strtol(optarg, &p, 10);
144 errx(1, "illegal blocksize -- %s", optarg);
146 errx(1, "block size must be greater than 0");
152 strncpy(filesys, optarg, NAMELEN);
153 filesys[NAMELEN - 1] = '\0';
162 if( !strcmp(optarg,"-") )
182 "%c and %c options are mutually exclusive",
196 /* Dumpnum (skip to) for multifile dump tapes. */
197 dumpnum = strtol(optarg, &p, 10);
199 errx(1, "illegal dump number -- %s", optarg);
201 errx(1, "dump number must be greater than 0");
210 if( !strcmp(optarg,"-") ) {
215 if ( !(filelist = fopen(optarg,"r")) )
216 errx(1, "can't open file for reading -- %s", optarg);
228 errx(1, "none of C, i, R, r, t or x options specified");
230 if (signal(SIGINT, onintr) == SIG_IGN)
231 (void) signal(SIGINT, SIG_IGN);
232 if (signal(SIGTERM, onintr) == SIG_IGN)
233 (void) signal(SIGTERM, SIG_IGN);
240 if (argc == 0 && !filelist) {
247 * Compare contents of tape.
252 Vprintf(stdout, "Begin compare restore\n");
253 compare_ignore_not_found = 0;
256 printf("filesys = %s\n", filesys);
257 if (stat(filesys, &stbuf) < 0)
258 err(1, "cannot stat directory %s", filesys);
259 if (chdir(filesys) < 0)
260 err(1, "cannot cd to %s", filesys);
261 compare_ignore_not_found = dumptime > 0;
262 initsymtable((char *)0);
264 treescan(".", ROOTINO, nodeupdates);
267 if (compare_errors) {
268 printf("Some files were modified!\n");
284 * Incremental restoration of a file system.
290 * This is an incremental dump tape.
292 Vprintf(stdout, "Begin incremental restore\n");
293 initsymtable(symtbl);
296 Vprintf(stdout, "Calculate node updates.\n");
297 treescan(".", ROOTINO, nodeupdates);
302 * This is a level zero dump tape.
304 Vprintf(stdout, "Begin level 0 restore\n");
305 initsymtable((char *)0);
307 Vprintf(stdout, "Calculate extraction list.\n");
308 treescan(".", ROOTINO, nodeupdates);
310 createleaves(symtbl);
315 Vprintf(stdout, "Verify the directory structure\n");
316 treescan(".", ROOTINO, verifyfile);
318 dumpsymtable(symtbl, (long)1);
321 * Resume an incremental file system restoration.
324 initsymtable(symtbl);
327 createleaves(symtbl);
331 dumpsymtable(symtbl, (long)1);
334 /* handle file names from either text file (-X) or the command line */
335 #define NEXTFILE(p) \
341 else if (filelist) { \
342 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
343 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
344 *(p + strlen(p) - 1) = '\0'; \
345 if ( !*p ) /* skip empty lines */ \
351 * List contents of tape.
356 initsymtable((char *)0);
361 canon(p, name, sizeof(name));
362 ino = dirlookup(name);
365 treescan(name, ino, listfile);
369 * Batch extraction of tape contents.
374 initsymtable((char *)0);
379 canon(p, name, sizeof(name));
380 ino = dirlookup(name);
385 treescan(name, ino, addfile);
396 return 0; /* gcc shut up */
407 (void)fprintf(stderr,
408 "%s %s\n", __progname, _DUMP_VERSION);
409 (void)fprintf(stderr,
410 "usage:\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n",
411 __progname, " -i [-ch" kerbflag "mMuvy] [-b blocksize] [-f file] [-s fileno]",
412 __progname, " -r [-c" kerbflag "Muvy] [-b blocksize] [-f file] [-s fileno]",
413 __progname, " -R [-c" kerbflag "Muvy] [-b blocksize] [-f file] [-s fileno]",
414 __progname, " -x [-ch" kerbflag "mMuvy] [-b blocksize] [-f file] [-s fileno] [-X filelist] [file ...]",
415 __progname, " -t [-ch" kerbflag "Muvy] [-b blocksize] [-f file] [-s fileno] [-X filelist] [file ...]");
421 * Change set of key letters and ordered arguments into something
422 * getopt(3) will like.
425 obsolete(int *argcp, char **argvp[])
428 char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
434 /* Return if no arguments or first argument has leading dash. */
436 if (argc == 1 || *ap == '-')
439 /* Allocate space for new arguments. */
440 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
441 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
442 err(1, "malloc args");
445 argv += 2, argc -= 2;
447 for (flags = 0; *ap; ++ap) {
456 warnx("option requires an argument -- %c", *ap);
459 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
460 err(1, "malloc arg");
463 (void)strcpy(&nargv[0][2], *argv);
477 /* Terminate flags. */
483 /* Copy remaining arguments. */
484 while ((*nargv++ = *argv++));
486 /* Update argument count. */
487 *argcp = nargv - *argvp - 1;
492 * reserve stdin for opt (avoid conflicts)
495 use_stdin(const char *opt)
498 errx(1, "can't handle standard input for both %s and %s",