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 <stelian@popies.net>, 1999-2000
6 * Stelian Pop <stelian@popies.net> - AlcĂ´ve <www.alcove.com>, 2000-2002
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. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 static const char rcsid[] =
40 "$Id: main.c,v 1.50 2005/07/07 09:16:08 stelian Exp $";
44 #include <compatlfs.h>
45 #include <sys/types.h>
47 #include <sys/param.h>
54 #ifdef HAVE_EXT2FS_EXT2_FS_H
55 #include <ext2fs/ext2_fs.h>
57 #include <linux/ext2_fs.h>
59 #include <bsdcompat.h>
66 #include <sys/fcntl.h>
67 #include <bsdcompat.h>
70 #include <ufs/ufs/dinode.h>
72 #endif /* __linux__ */
73 #include <protocols/dumprestore.h>
75 #include <compaterr.h>
81 #include <ext2fs/ext2fs.h>
85 #include "pathnames.h"
89 int abortifconnerr = 1; /* set to 1 if lib dumprmt.o should exit on connection errors
90 otherwise just print a message using msg */
92 int aflag = 0, bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
93 int hflag = 1, mflag = 1, Mflag = 0, Nflag = 0, Vflag = 0, zflag = 0;
94 int uflag = 0, lflag = 0, Lflag = 0, oflag = 0;
102 char *dumpmap = NULL;
103 char *usedinomap = NULL;
109 int compare_ignore_not_found;
111 char filesys[NAMELEN];
112 static const char *stdin_opt = NULL;
113 char *bot_script = NULL;
114 dump_ino_t volinfo[TP_NINOS];
116 int dirhash_size = 1;
125 int createtapeposflag;
126 unsigned long qfadumpdate;
127 long long curtapepos;
132 #if defined(__linux__) || defined(sunos)
136 static void obsolete __P((int *, char **[]));
137 static void usage __P((void));
138 static void use_stdin __P((const char *));
140 #define FORCED_UMASK (077)
143 main(int argc, char *argv[])
147 char *inputdev = _PATH_DEFTAPE;
148 char *symtbl = "./restoresymtable";
149 char *p, name[MAXPATHLEN];
150 FILE *filelist = NULL;
151 char fname[MAXPATHLEN];
154 time_t tistart, tiend, titaken;
158 createtapeposflag = 0;
161 /* Temp files should *not* be readable. We set permissions later. */
162 orig_umask = umask(FORCED_UMASK);
164 #if defined(__linux__) || defined(sunos)
165 __progname = argv[0];
171 if ((inputdev = getenv("TAPE")) == NULL)
172 inputdev = _PATH_DEFTAPE;
173 if ((tmpdir = getenv("TMPDIR")) == NULL)
175 if ((tmpdir = strdup(tmpdir)) == NULL)
176 err(1, "malloc tmpdir");
177 for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--)
179 obsolete(&argc, &argv);
180 while ((ch = getopt(argc, argv,
189 "Rrs:tT:uvVxX:y")) != -1)
199 /* Change default tape blocksize. */
201 ntrec = strtol(optarg, &p, 10);
203 errx(1, "illegal blocksize -- %s", optarg);
205 errx(1, "block size must be greater than 0");
211 strncpy(filesys, optarg, NAMELEN);
212 filesys[NAMELEN - 1] = '\0';
221 if( !strcmp(optarg,"-") )
232 dirhash_size = strtol(optarg, &p, 10);
234 errx(1, "illegal hash size -- %s", optarg);
235 if (dirhash_size < 1)
236 errx(1, "hash size must be greater than 0");
254 "%c and %c options are mutually exclusive",
259 gTapeposfile = optarg;
260 createtapeposflag = 1;
269 Lflag = strtol(optarg, &p, 10);
271 errx(1, "illegal limit -- %s", optarg);
273 errx(1, "limit must be greater than 0");
289 gTapeposfile = optarg;
295 /* Dumpnum (skip to) for multifile dump tapes. */
296 dumpnum = strtol(optarg, &p, 10);
298 errx(1, "illegal dump number -- %s", optarg);
300 errx(1, "dump number must be greater than 0");
312 if( !strcmp(optarg,"-") ) {
317 if ( !(filelist = fopen(optarg,"r")) )
318 errx(1, "can't open file for reading -- %s", optarg);
330 errx(1, "none of C, i, R, r, t or x options specified");
333 if (!mflag && tapeposflag)
334 errx(1, "m and Q options are mutually exclusive");
336 if (tapeposflag && command != 'i' && command != 'x' && command != 't')
337 errx(1, "Q option is not valid for %c command", command);
340 if (Afile && command != 'i' && command != 'x' && command != 't')
341 errx(1, "A option is not valid for %c command", command);
343 if (signal(SIGINT, onintr) == SIG_IGN)
344 (void) signal(SIGINT, SIG_IGN);
345 if (signal(SIGTERM, onintr) == SIG_IGN)
346 (void) signal(SIGTERM, SIG_IGN);
351 if (command == 'C' && inputdev[0] != '/' && strcmp(inputdev, "-")
353 && !strchr(inputdev, ':')
356 /* since we chdir into the directory we are comparing
357 * to, we must retain the full tape path */
358 char wd[MAXPATHLEN], fullpathinput[MAXPATHLEN];
359 if (!getcwd(wd, MAXPATHLEN))
360 err(1, "can't get current directory");
361 snprintf(fullpathinput, MAXPATHLEN, "%s/%s", wd, inputdev);
362 fullpathinput[MAXPATHLEN - 1] = '\0';
363 setinput(fullpathinput);
368 wdfd = open(".", O_RDONLY);
370 err(1, "can't get current directory");
372 if (argc == 0 && !filelist) {
379 msg("reading QFA positions from %s\n", gTapeposfile);
380 if ((gTapeposfp = fopen(gTapeposfile, "r")) == NULL)
381 errx(1, "can't open file for reading -- %s",
383 /* start reading header info */
384 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
385 errx(1, "not requested format of -- %s", gTapeposfile);
386 gTps[strlen(gTps) - 1] = 0; /* delete end of line */
387 if (strcmp(gTps, QFA_MAGIC) != 0)
388 errx(1, "not requested format of -- %s", gTapeposfile);
389 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
390 errx(1, "not requested format of -- %s", gTapeposfile);
391 gTps[strlen(gTps) - 1] = 0;
392 if (strcmp(gTps, QFA_VERSION) != 0)
393 errx(1, "not requested format of -- %s", gTapeposfile);
395 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
396 errx(1, "not requested format of -- %s", gTapeposfile);
397 gTps[strlen(gTps) - 1] = 0;
398 qfadumpdate = atol(gTps);
399 /* read empty line */
400 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
401 errx(1, "not requested format of -- %s", gTapeposfile);
402 gTps[strlen(gTps) - 1] = 0;
403 /* read table header line */
404 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
405 errx(1, "not requested format of -- %s", gTapeposfile);
406 gTps[strlen(gTps) - 1] = 0;
407 /* end reading header info */
408 /* tape position table starts here */
409 gSeekstart = ftell(gTapeposfp); /* remember for later use */
411 if (GetSCSIIDFromPath(inputdev, &scsiid)) {
412 errx(1, "can't get SCSI-ID for %s\n", inputdev);
415 errx(1, "can't get SCSI-ID for %s\n", inputdev);
417 sprintf(smtcpath, "/dev/rsmtc%ld,0", scsiid);
418 if ((fdsmtc = open(smtcpath, O_RDWR)) == -1) {
419 errx(1, "can't open smtc device: %s, %d\n", smtcpath, errno);
427 * Compare contents of tape.
432 Vprintf(stdout, "Begin compare restore\n");
433 compare_ignore_not_found = 0;
437 printf("filesys = %s\n", filesys);
438 if (STAT(filesys, &stbuf) < 0)
439 err(1, "cannot stat directory %s", filesys);
440 if (chdir(filesys) < 0)
441 err(1, "cannot cd to %s", filesys);
442 compare_ignore_not_found = dumptime > 0;
443 initsymtable((char *)0);
445 treescan(".", ROOTINO, nodeupdates);
449 if (compare_errors) {
450 printf("Some files were modified!\n");
466 * Incremental restoration of a file system.
469 aflag = 1; /* in -r or -R mode, -a is default */
473 * This is an incremental dump tape.
475 Vprintf(stdout, "Begin incremental restore\n");
476 initsymtable(symtbl);
479 Vprintf(stdout, "Calculate node updates.\n");
480 treescan(".", ROOTINO, nodeupdates);
485 * This is a level zero dump tape.
487 Vprintf(stdout, "Begin level 0 restore\n");
488 initsymtable((char *)0);
490 Vprintf(stdout, "Calculate extraction list.\n");
491 treescan(".", ROOTINO, nodeupdates);
493 createleaves(symtbl);
498 Vprintf(stdout, "Verify the directory structure\n");
499 treescan(".", ROOTINO, verifyfile);
501 dumpsymtable(symtbl, (long)1);
504 * Resume an incremental file system restoration.
507 aflag = 1; /* in -r or -R mode, -a is default */
508 initsymtable(symtbl);
511 createleaves(symtbl);
515 dumpsymtable(symtbl, (long)1);
518 /* handle file names from either text file (-X) or the command line */
519 #define NEXTFILE(p) \
525 else if (filelist) { \
526 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
527 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
528 *(p + strlen(p) - 1) = '\0'; \
529 if ( !*p ) /* skip empty lines */ \
535 * List contents of tape.
540 initsymtable((char *)0);
546 canon(p, name, sizeof(name));
547 ino = dirlookup(name);
550 treescan(name, ino, listfile);
554 * Batch extraction of tape contents.
558 tistart = time(NULL);
562 initsymtable((char *)0);
567 canon(p, name, sizeof(name));
568 ino = dirlookup(name);
573 treescan(name, ino, addfile);
577 setdirmodes(oflag ? FORCE : 0);
587 titaken = tiend - tistart;
588 msg("restore took %d:%02d:%02d\n", titaken / 3600,
589 (titaken % 3600) / 60, titaken % 60);
590 #endif /* DEBUG_QFA */
595 tistart = time(NULL);
598 if (GetSCSIIDFromPath(inputdev, &scsiid)) {
599 errx(1, "can't get SCSI-ID for %s\n", inputdev);
602 errx(1, "can't get SCSI-ID for %s\n", inputdev);
604 sprintf(smtcpath, "/dev/rsmtc%ld,0", scsiid);
605 if ((fdsmtc = open(smtcpath, O_RDWR)) == -1) {
606 errx(1, "can't open smtc device: %s, %d\n", smtcpath, errno);
610 msg("writing QFA positions to %s\n", gTapeposfile);
611 (void) umask(orig_umask);
612 if ((gTapeposfd = open(gTapeposfile, O_WRONLY|O_CREAT|O_TRUNC,
613 S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP
614 |S_IROTH|S_IWOTH)) < 0)
615 errx(1, "can't create tapeposfile\n");
616 (void) umask(FORCED_UMASK);
617 /* print QFA-file header */
618 sprintf(gTps, "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION, (unsigned long)spcl.c_date);
619 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
620 errx(1, "can't write tapeposfile\n");
621 sprintf(gTps, "ino\ttapeno\ttapepos\n");
622 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
623 errx(1, "can't write tapeposfile\n");
626 initsymtable((char *)0);
631 canon(p, name, sizeof(name));
632 ino = dirlookup(name);
637 treescan(name, ino, addfile);
647 titaken = tiend - tistart;
648 msg("writing QFA positions took %d:%02d:%02d\n", titaken / 3600,
649 (titaken % 3600) / 60, titaken % 60);
650 #endif /* DEBUG_QFA */
656 return 0; /* gcc shut up */
662 char white[MAXPATHLEN];
663 const char *ext2ver, *ext2date;
665 memset(white, ' ', MAXPATHLEN);
666 white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
669 ext2fs_get_library_version(&ext2ver, &ext2date);
670 (void)fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
671 __progname, _DUMP_VERSION, ext2ver, ext2date);
673 (void)fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
683 #define qfaflag "[-Q file] "
690 "\t%s -C [-cdH" kerbflag "lMvVy] [-b blocksize] [-D filesystem] [-f file]\n"
691 "\t%s [-F script] [-L limit] [-s fileno]\n"
692 "\t%s -i [-acdhH" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
693 "\t%s [-F script] " qfaflag "[-s fileno]\n"
695 "\t%s -P file [-acdhH" kerbflag "lmMuvVy] [-A file] [-b blocksize]\n"
696 "\t%s [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
698 "\t%s -r [-cdH" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
699 "\t%s [-s fileno] [-T directory]\n"
700 "\t%s -R [-cdH" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
701 "\t%s [-s fileno] [-T directory]\n"
702 "\t%s -t [-cdhH" kerbflag "lMuvVy] [-A file] [-b blocksize] [-f file]\n"
703 "\t%s [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n"
704 "\t%s -x [-acdhH" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
705 "\t%s [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n",
720 * Change set of key letters and ordered arguments into something
721 * getopt(3) will like.
724 obsolete(int *argcp, char **argvp[])
727 char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
733 /* Return if no arguments or first argument has leading dash. */
735 if (argc == 1 || *ap == '-')
738 /* Allocate space for new arguments. */
739 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
740 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
741 err(1, "malloc args");
744 argv += 2, argc -= 2;
746 for (flags = 0; *ap; ++ap) {
760 warnx("option requires an argument -- %c", *ap);
763 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
764 err(1, "malloc arg");
767 (void)strcpy(&nargv[0][2], *argv);
781 /* Terminate flags. */
787 /* Copy remaining arguments. */
788 while ((*nargv++ = *argv++));
790 /* Update argument count. */
791 *argcp = nargv - *argvp - 1;
796 * reserve stdin for opt (avoid conflicts)
799 use_stdin(const char *opt)
802 errx(1, "can't handle standard input for both %s and %s",