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 1.46 2004/04/13 13:04:33 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];
123 int createtapeposflag;
124 unsigned long qfadumpdate;
125 long long curtapepos;
130 #if defined(__linux__) || defined(sunos)
134 static void obsolete __P((int *, char **[]));
135 static void usage __P((void));
136 static void use_stdin __P((const char *));
138 #define FORCED_UMASK (077)
141 main(int argc, char *argv[])
145 char *inputdev = _PATH_DEFTAPE;
146 char *symtbl = "./restoresymtable";
147 char *p, name[MAXPATHLEN];
148 FILE *filelist = NULL;
149 char fname[MAXPATHLEN];
152 time_t tistart, tiend, titaken;
156 createtapeposflag = 0;
159 /* Temp files should *not* be readable. We set permissions later. */
160 orig_umask = umask(FORCED_UMASK);
162 #if defined(__linux__) || defined(sunos)
163 __progname = argv[0];
169 if ((inputdev = getenv("TAPE")) == NULL)
170 inputdev = _PATH_DEFTAPE;
171 if ((tmpdir = getenv("TMPDIR")) == NULL)
173 if ((tmpdir = strdup(tmpdir)) == NULL)
174 err(1, "malloc tmpdir");
175 for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--)
177 obsolete(&argc, &argv);
178 while ((ch = getopt(argc, argv,
187 "Rrs:tT:uvVxX:y")) != -1)
197 /* Change default tape blocksize. */
199 ntrec = strtol(optarg, &p, 10);
201 errx(1, "illegal blocksize -- %s", optarg);
203 errx(1, "block size must be greater than 0");
209 strncpy(filesys, optarg, NAMELEN);
210 filesys[NAMELEN - 1] = '\0';
219 if( !strcmp(optarg,"-") )
245 "%c and %c options are mutually exclusive",
250 gTapeposfile = optarg;
251 createtapeposflag = 1;
260 Lflag = strtol(optarg, &p, 10);
262 errx(1, "illegal limit -- %s", optarg);
264 errx(1, "limit must be greater than 0");
280 gTapeposfile = optarg;
286 /* Dumpnum (skip to) for multifile dump tapes. */
287 dumpnum = strtol(optarg, &p, 10);
289 errx(1, "illegal dump number -- %s", optarg);
291 errx(1, "dump number must be greater than 0");
303 if( !strcmp(optarg,"-") ) {
308 if ( !(filelist = fopen(optarg,"r")) )
309 errx(1, "can't open file for reading -- %s", optarg);
321 errx(1, "none of C, i, R, r, t or x options specified");
324 if (!mflag && tapeposflag)
325 errx(1, "m and Q options are mutually exclusive");
327 if (tapeposflag && command != 'i' && command != 'x' && command != 't')
328 errx(1, "Q option is not valid for %c command", command);
331 if (Afile && command != 'i' && command != 'x' && command != 't')
332 errx(1, "A option is not valid for %c command", command);
334 if (signal(SIGINT, onintr) == SIG_IGN)
335 (void) signal(SIGINT, SIG_IGN);
336 if (signal(SIGTERM, onintr) == SIG_IGN)
337 (void) signal(SIGTERM, SIG_IGN);
342 if (command == 'C' && inputdev[0] != '/' && strcmp(inputdev, "-")
344 && !strchr(inputdev, ':')
347 /* since we chdir into the directory we are comparing
348 * to, we must retain the full tape path */
349 char wd[MAXPATHLEN], fullpathinput[MAXPATHLEN];
350 if (!getcwd(wd, MAXPATHLEN))
351 err(1, "can't get current directory");
352 snprintf(fullpathinput, MAXPATHLEN, "%s/%s", wd, inputdev);
353 fullpathinput[MAXPATHLEN - 1] = '\0';
354 setinput(fullpathinput);
359 if (argc == 0 && !filelist) {
366 msg("reading QFA positions from %s\n", gTapeposfile);
367 if ((gTapeposfp = fopen(gTapeposfile, "r")) == NULL)
368 errx(1, "can't open file for reading -- %s",
370 /* start reading header info */
371 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
372 errx(1, "not requested format of -- %s", gTapeposfile);
373 gTps[strlen(gTps) - 1] = 0; /* delete end of line */
374 if (strcmp(gTps, QFA_MAGIC) != 0)
375 errx(1, "not requested format of -- %s", gTapeposfile);
376 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
377 errx(1, "not requested format of -- %s", gTapeposfile);
378 gTps[strlen(gTps) - 1] = 0;
379 if (strcmp(gTps, QFA_VERSION) != 0)
380 errx(1, "not requested format of -- %s", gTapeposfile);
382 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
383 errx(1, "not requested format of -- %s", gTapeposfile);
384 gTps[strlen(gTps) - 1] = 0;
385 qfadumpdate = atol(gTps);
386 /* read empty line */
387 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
388 errx(1, "not requested format of -- %s", gTapeposfile);
389 gTps[strlen(gTps) - 1] = 0;
390 /* read table header line */
391 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
392 errx(1, "not requested format of -- %s", gTapeposfile);
393 gTps[strlen(gTps) - 1] = 0;
394 /* end reading header info */
395 /* tape position table starts here */
396 gSeekstart = ftell(gTapeposfp); /* remember for later use */
398 if (GetSCSIIDFromPath(inputdev, &scsiid)) {
399 errx(1, "can't get SCSI-ID for %s\n", inputdev);
402 errx(1, "can't get SCSI-ID for %s\n", inputdev);
404 sprintf(smtcpath, "/dev/rsmtc%ld,0", scsiid);
405 if ((fdsmtc = open(smtcpath, O_RDWR)) == -1) {
406 errx(1, "can't open smtc device: %s, %d\n", smtcpath, errno);
414 * Compare contents of tape.
419 Vprintf(stdout, "Begin compare restore\n");
420 compare_ignore_not_found = 0;
423 printf("filesys = %s\n", filesys);
424 if (STAT(filesys, &stbuf) < 0)
425 err(1, "cannot stat directory %s", filesys);
426 if (chdir(filesys) < 0)
427 err(1, "cannot cd to %s", filesys);
428 compare_ignore_not_found = dumptime > 0;
429 initsymtable((char *)0);
431 treescan(".", ROOTINO, nodeupdates);
434 if (compare_errors) {
435 printf("Some files were modified!\n");
451 * Incremental restoration of a file system.
454 aflag = 1; /* in -r or -R mode, -a is default */
458 * This is an incremental dump tape.
460 Vprintf(stdout, "Begin incremental restore\n");
461 initsymtable(symtbl);
464 Vprintf(stdout, "Calculate node updates.\n");
465 treescan(".", ROOTINO, nodeupdates);
470 * This is a level zero dump tape.
472 Vprintf(stdout, "Begin level 0 restore\n");
473 initsymtable((char *)0);
475 Vprintf(stdout, "Calculate extraction list.\n");
476 treescan(".", ROOTINO, nodeupdates);
478 createleaves(symtbl);
483 Vprintf(stdout, "Verify the directory structure\n");
484 treescan(".", ROOTINO, verifyfile);
486 dumpsymtable(symtbl, (long)1);
489 * Resume an incremental file system restoration.
492 aflag = 1; /* in -r or -R mode, -a is default */
493 initsymtable(symtbl);
496 createleaves(symtbl);
500 dumpsymtable(symtbl, (long)1);
503 /* handle file names from either text file (-X) or the command line */
504 #define NEXTFILE(p) \
510 else if (filelist) { \
511 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
512 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
513 *(p + strlen(p) - 1) = '\0'; \
514 if ( !*p ) /* skip empty lines */ \
520 * List contents of tape.
525 initsymtable((char *)0);
531 canon(p, name, sizeof(name));
532 ino = dirlookup(name);
535 treescan(name, ino, listfile);
539 * Batch extraction of tape contents.
543 tistart = time(NULL);
547 initsymtable((char *)0);
552 canon(p, name, sizeof(name));
553 ino = dirlookup(name);
558 treescan(name, ino, addfile);
562 setdirmodes(oflag ? FORCE : 0);
572 titaken = tiend - tistart;
573 msg("restore took %d:%02d:%02d\n", titaken / 3600,
574 (titaken % 3600) / 60, titaken % 60);
575 #endif /* DEBUG_QFA */
580 tistart = time(NULL);
583 if (GetSCSIIDFromPath(inputdev, &scsiid)) {
584 errx(1, "can't get SCSI-ID for %s\n", inputdev);
587 errx(1, "can't get SCSI-ID for %s\n", inputdev);
589 sprintf(smtcpath, "/dev/rsmtc%ld,0", scsiid);
590 if ((fdsmtc = open(smtcpath, O_RDWR)) == -1) {
591 errx(1, "can't open smtc device: %s, %d\n", smtcpath, errno);
595 msg("writing QFA positions to %s\n", gTapeposfile);
596 (void) umask(orig_umask);
597 if ((gTapeposfd = open(gTapeposfile, O_WRONLY|O_CREAT|O_TRUNC,
598 S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP
599 |S_IROTH|S_IWOTH)) < 0)
600 errx(1, "can't create tapeposfile\n");
601 (void) umask(FORCED_UMASK);
602 /* print QFA-file header */
603 sprintf(gTps, "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION, (unsigned long)spcl.c_date);
604 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
605 errx(1, "can't write tapeposfile\n");
606 sprintf(gTps, "ino\ttapeno\ttapepos\n");
607 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
608 errx(1, "can't write tapeposfile\n");
611 initsymtable((char *)0);
616 canon(p, name, sizeof(name));
617 ino = dirlookup(name);
622 treescan(name, ino, addfile);
632 titaken = tiend - tistart;
633 msg("writing QFA positions took %d:%02d:%02d\n", titaken / 3600,
634 (titaken % 3600) / 60, titaken % 60);
635 #endif /* DEBUG_QFA */
641 return 0; /* gcc shut up */
647 char white[MAXPATHLEN];
648 const char *ext2ver, *ext2date;
650 memset(white, ' ', MAXPATHLEN);
651 white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
654 ext2fs_get_library_version(&ext2ver, &ext2date);
655 (void)fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
656 __progname, _DUMP_VERSION, ext2ver, ext2date);
658 (void)fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
668 #define qfaflag "[-Q file] "
675 "\t%s -C [-cd" kerbflag "lMvVy] [-b blocksize] [-D filesystem] [-f file]\n"
676 "\t%s [-F script] [-L limit] [-s fileno]\n"
677 "\t%s -i [-acdh" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
678 "\t%s [-F script] " qfaflag "[-s fileno]\n"
680 "\t%s -P file [-acdh" kerbflag "lmMuvVy] [-A file] [-b blocksize]\n"
681 "\t%s [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
683 "\t%s -r [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
684 "\t%s [-s fileno] [-T directory]\n"
685 "\t%s -R [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
686 "\t%s [-s fileno] [-T directory]\n"
687 "\t%s -t [-cdh" kerbflag "lMuvVy] [-A file] [-b blocksize] [-f file]\n"
688 "\t%s [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n"
689 "\t%s -x [-acdh" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
690 "\t%s [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n",
705 * Change set of key letters and ordered arguments into something
706 * getopt(3) will like.
709 obsolete(int *argcp, char **argvp[])
712 char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
718 /* Return if no arguments or first argument has leading dash. */
720 if (argc == 1 || *ap == '-')
723 /* Allocate space for new arguments. */
724 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
725 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
726 err(1, "malloc args");
729 argv += 2, argc -= 2;
731 for (flags = 0; *ap; ++ap) {
744 warnx("option requires an argument -- %c", *ap);
747 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
748 err(1, "malloc arg");
751 (void)strcpy(&nargv[0][2], *argv);
765 /* Terminate flags. */
771 /* Copy remaining arguments. */
772 while ((*nargv++ = *argv++));
774 /* Update argument count. */
775 *argcp = nargv - *argvp - 1;
780 * reserve stdin for opt (avoid conflicts)
783 use_stdin(const char *opt)
786 errx(1, "can't handle standard input for both %s and %s",