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) 1980, 1991, 1993, 1994
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 1.84 2003/03/30 15:40:36 stelian Exp $";
44 #include <compatlfs.h>
46 #include <compaterr.h>
56 #include <sys/param.h>
60 #ifdef HAVE_EXT2FS_EXT2_FS_H
61 #include <ext2fs/ext2_fs.h>
63 #include <linux/ext2_fs.h>
65 #include <ext2fs/ext2fs.h>
67 #include <bsdcompat.h>
69 #include <sys/vnode.h>
71 #include <ufs/inode.h>
74 #include <ufs/ufs/dinode.h>
75 #include <ufs/ffs/fs.h>
78 #include <protocols/dumprestore.h>
81 #include "pathnames.h"
85 #define SBOFF (SBLOCK * DEV_BSIZE)
89 * Dump maps used to describe what is to be dumped.
91 int mapsize; /* size of the state maps */
92 char *usedinomap; /* map of allocated inodes */
93 char *dumpdirmap; /* map of directories to be dumped */
94 char *dumpinomap; /* map of files to be dumped */
95 char *metainomap; /* which of the inodes in dumpinomap will get
96 only their metadata dumped */
98 const char *disk; /* name of the disk file */
99 char tape[MAXPATHLEN];/* name of the tape file */
100 char *tapeprefix; /* prefix of the tape file */
101 char *dumpdates; /* name of the file containing dump date information*/
102 char lastlevel; /* dump level of previous dump */
103 char level; /* dump level of this dump */
104 int bzipflag; /* compression is done using bzlib */
105 int Afile = -1; /* archive file descriptor */
106 int AfileActive = 1;/* Afile flag */
107 int uflag; /* update flag */
108 int mflag; /* dump metadata only if possible */
109 int Mflag; /* multi-volume flag */
110 int qflag; /* quit on errors flag */
111 int vflag; /* verbose flag */
112 int breademax = 32; /* maximum number of bread errors before we quit */
113 char *eot_script; /* end of volume script fiag */
114 int diskfd; /* disk file descriptor */
115 int tapefd; /* tape file descriptor */
116 int pipeout; /* true => output to standard output */
117 int fifoout; /* true => output to fifo */
118 dump_ino_t curino; /* current inumber; used globally */
119 int newtape; /* new tape flag */
120 int density; /* density in 0.1" units */
121 long tapesize; /* estimated tape size, blocks */
122 long tsize; /* tape size in 0.1" units */
123 long asize; /* number of 0.1" units written on current tape */
124 int etapes; /* estimated number of tapes */
125 int nonodump; /* if set, do not honor UF_NODUMP user flags */
126 int unlimited; /* if set, write to end of medium */
127 int compressed; /* if set, dump is to be compressed */
128 long long bytes_written;/* total bytes written to tape */
129 long uncomprblks; /* uncompressed blocks written to tape */
130 int notify; /* notify operator flag */
131 int blockswritten; /* number of blocks written on current tape */
132 int tapeno; /* current tape number */
133 time_t tstart_writing; /* when started writing the first tape block */
134 time_t tend_writing; /* after writing the last tape block */
138 struct fs *sblock; /* the file system super block */
139 char sblock_buf[MAXBSIZE];
141 long xferrate; /* averaged transfer rate of all volumes */
142 long dev_bsize; /* block size of underlying disk device */
143 int dev_bshift; /* log2(dev_bsize) */
144 int tp_bshift; /* log2(TP_BSIZE) */
145 dump_ino_t volinfo[TP_NINOS];/* which inode on which volume archive info */
151 int32_t gThisDumpDate;
154 struct dumptime *dthead; /* head of the list version */
155 int nddates; /* number of records (might be zero) */
156 int ddates_in; /* we have read the increment file */
157 struct dumpdates **ddatev; /* the arrayfied version */
159 int notify = 0; /* notify operator flag */
160 int blockswritten = 0; /* number of blocks written on current tape */
161 int tapeno = 0; /* current tape number */
162 int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */
163 int ntrec = NTREC; /* # blocks in each tape record */
164 int cartridge = 0; /* Assume non-cartridge tape */
166 int tapepos = 0; /* assume no QFA tapeposition needed by user */
168 int dokerberos = 0; /* Use Kerberos authentication */
169 long dev_bsize = 1; /* recalculated below */
170 long blocksperfile; /* output blocks per file */
171 char *host = NULL; /* remote host (if any) */
172 int sizest = 0; /* return size estimate only */
173 int compressed = 0; /* use zlib to compress the output, compress level 1-9 */
174 long long bytes_written = 0; /* total bytes written */
175 long uncomprblks = 0;/* uncompressed blocks written */
181 int maxbsize = 1024*1024; /* XXX MAXBSIZE from sys/param.h */
182 static long numarg __P((const char *, long, long));
183 static void obsolete __P((int *, char **[]));
184 static void usage __P((void));
185 static void do_exclude_from_file __P((char *));
186 static void do_exclude_ino_str __P((char *));
187 static void incompat_flags __P((int, char, char));
189 static dump_ino_t iexclude_list[IEXCLUDE_MAXNUM];/* the inode exclude list */
190 static int iexclude_num = 0; /* number of elements in the list */
193 main(int argc, char *argv[])
201 int i, anydirskipped;
202 int aflag = 0, bflag = 0, Tflag = 0, honorlevel = 1;
208 char directory[MAXPATHLEN];
209 char pathname[MAXPATHLEN];
215 spcl.c_label[0] = '\0';
216 spcl.c_date = time(NULL);
219 __progname = argv[0];
221 initialize_ext2_error_table();
224 tsize = 0; /* Default later, based on 'c' option for cart tapes */
227 if ((tapeprefix = getenv("TAPE")) == NULL)
228 tapeprefix = _PATH_DEFTAPE;
229 dumpdates = _PATH_DUMPDATES;
230 if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
231 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
237 obsolete(&argc, &argv);
243 while ((ch = getopt(argc, argv,
244 "0123456789A:aB:b:cd:D:e:E:f:F:h:I:"
263 case '0': case '1': case '2': case '3': case '4':
264 case '5': case '6': case '7': case '8': case '9':
268 case 'A': /* archive file */
272 case 'a': /* `auto-size', Write to EOM. */
277 case 'B': /* blocks per output file */
279 blocksperfile = numarg("number of blocks per file",
283 case 'b': /* blocks per tape write */
284 ntrec = numarg("number of blocks per write",
286 if (ntrec > maxbsize/1024) {
287 msg("Please choose a blocksize <= %dkB\n",
289 msg("The ENTIRE dump is aborted.\n");
295 case 'c': /* Tape is cart. not 9-track */
300 case 'd': /* density, in bits per inch */
302 density = numarg("density", 10L, 327670L) / 10;
303 if (density >= 625 && !bflag)
304 ntrec = HIGHDENSITYTREC;
307 case 'D': /* path of dumpdates file */
312 case 'e': /* exclude an inode */
314 char *p = optarg, *q;
315 while ((q = strchr(p, ','))) {
317 do_exclude_ino_str(p);
320 do_exclude_ino_str(p);
324 case 'E': /* exclude inodes read from file */
325 do_exclude_from_file(optarg);
328 case 'f': /* output file */
332 case 'F': /* end of tape script */
337 honorlevel = numarg("honor level", 0L, 10L);
345 compressed = numarg("compress level", 1L, 9L);
347 #endif /* HAVE_BZLIB */
351 numarg ("number of errors to ignore", 0L, 0L);
362 * Note that although there are LBLSIZE characters,
363 * the last must be '\0', so the limit on strlen()
364 * is really LBLSIZE-1.
366 strncpy(spcl.c_label, optarg, LBLSIZE);
367 spcl.c_label[LBLSIZE-1] = '\0';
368 if (strlen(optarg) > LBLSIZE-1) {
370 "WARNING Label `%s' is larger than limit of %d characters.\n",
372 msg("WARNING: Using truncated label `%s'.\n",
377 case 'm': /* metadata only flag */
381 case 'M': /* multi-volume flag */
385 case 'n': /* notify operators */
394 case 'Q': /* create tapeposfile */
395 gTapeposfile = optarg;
400 case 's': /* tape size, feet */
402 tsize = numarg("tape size", 1L, 0L) * 12 * 10;
406 sizest = 1; /* return size estimate only */
409 case 'T': /* time of last dump */
410 spcl.c_ddate = unctime(optarg);
411 if (spcl.c_ddate < 0) {
412 msg("bad time \"%s\"\n", optarg);
413 msg("The ENTIRE dump is aborted.\n");
420 case 'u': /* update dumpdates */
424 case 'v': /* verbose */
428 case 'W': /* what to do */
431 exit(X_FINOK); /* do nothing else */
436 compressed = numarg("compress level", 1L, 9L);
438 #endif /* HAVE_ZLIB */
447 msg("Must specify disk or filesystem\n");
448 msg("The ENTIRE dump is aborted.\n");
452 if (strlen(diskparam) >= MAXPATHLEN) {
453 msg("Disk or filesystem name too long: %s\n", diskparam);
454 msg("The ENTIRE dump is aborted.\n");
458 incompat_flags(Tflag && uflag, 'T', 'u');
459 incompat_flags(aflag && blocksperfile, 'a', 'B');
460 incompat_flags(aflag && cartridge, 'a', 'c');
461 incompat_flags(aflag && density, 'a', 'd');
462 incompat_flags(aflag && tsize, 'a', 's');
464 if (strcmp(tapeprefix, "-") == 0) {
466 tapeprefix = "standard output";
469 if (blocksperfile && !compressed)
470 blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
471 else if (!unlimited) {
473 * Determine how to default tape size and density
476 * 9-track 1600 bpi (160 bytes/.1") 2300 ft.
477 * 9-track 6250 bpi (625 bytes/.1") 2300 ft.
478 * cartridge 8000 bpi (100 bytes/.1") 1700 ft.
480 * hilit19 hits again: "
483 density = cartridge ? 100 : 160;
485 tsize = cartridge ? 1700L*120L : 2300L*120L;
488 if (strchr(tapeprefix, ':')) {
490 tapeprefix = strchr(host, ':');
491 *tapeprefix++ = '\0';
493 if (index(tapeprefix, '\n')) {
494 msg("invalid characters in tape\n");
495 msg("The ENTIRE dump is aborted.\n");
498 if (rmthost(host) == 0)
501 msg("remote dump not enabled\n");
502 msg("The ENTIRE dump is aborted.\n");
506 (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
507 if (Apath && (Afile = open(Apath, O_WRONLY|O_CREAT|O_TRUNC,
508 S_IRUSR | S_IWUSR | S_IRGRP |
509 S_IWGRP | S_IROTH | S_IWOTH)) < 0) {
510 msg("Cannot open %s for writing: %s\n",
511 optarg, strerror(errno));
512 msg("The ENTIRE dump is aborted.\n");
516 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
518 if (signal(SIGTRAP, SIG_IGN) != SIG_IGN)
519 signal(SIGTRAP, sig);
520 if (signal(SIGFPE, SIG_IGN) != SIG_IGN)
522 if (signal(SIGBUS, SIG_IGN) != SIG_IGN)
524 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN)
525 signal(SIGSEGV, sig);
526 if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
527 signal(SIGTERM, sig);
528 if (signal(SIGINT, interrupt) == SIG_IGN)
529 signal(SIGINT, SIG_IGN);
531 signal(SIGXCPU, SIG_IGN);
534 signal(SIGXFSZ, SIG_IGN);
537 set_operators(); /* /etc/group snarfed */
538 getfstab(); /* /etc/fstab snarfed */
541 * disk may end in / and this can confuse
544 i = strlen(diskparam) - 1;
545 if (i > 1 && diskparam[i] == '/')
546 if (!(i == 6 && !strcmp(diskparam, "LABEL=/")))
549 disk = get_device_name(diskparam);
550 if (!disk) { /* null means the disk is some form
551 of LABEL= or UID= but it was not
553 msg("Cannot find a disk having %s\n", diskparam);
554 msg("The ENTIRE dump is aborted.\n");
558 * disk can be either the full special file name,
559 * the suffix of the special file name,
560 * the special name missing the leading '/',
561 * the file system name with or without the leading '/'.
563 if ((dt = fstabsearch(disk)) != NULL) {
564 /* if found then only one parameter (i.e. partition)
567 (void)fprintf(stderr, "Unknown arguments to dump:");
569 (void)fprintf(stderr, " %s", *argv++);
570 (void)fprintf(stderr, "\n");
571 msg("The ENTIRE dump is aborted.\n");
574 disk = rawname(dt->mnt_fsname);
575 (void)strncpy(spcl.c_dev, dt->mnt_fsname, NAMELEN);
576 (void)strncpy(spcl.c_filesys, dt->mnt_dir, NAMELEN);
580 if (realpath(disk, pathname) == NULL)
582 strcpy(pathname, disk);
584 * The argument could be now a mountpoint of
585 * a filesystem specified in fstab. Search for it.
587 if ((dt = fstabsearch(pathname)) != NULL) {
588 disk = rawname(dt->mnt_fsname);
589 (void)strncpy(spcl.c_dev, dt->mnt_fsname, NAMELEN);
590 (void)strncpy(spcl.c_filesys, dt->mnt_dir, NAMELEN);
593 * The argument was not found in the fstab
594 * assume that this is a subtree and search for it
596 dt = fstabsearchdir(pathname, directory);
598 char name[MAXPATHLEN];
599 (void)strncpy(spcl.c_dev, dt->mnt_fsname, NAMELEN);
600 (void)snprintf(name, sizeof(name), "%s (dir %s)",
601 dt->mnt_dir, directory);
602 (void)strncpy(spcl.c_filesys, name, NAMELEN);
603 disk = rawname(dt->mnt_fsname);
605 (void)strncpy(spcl.c_dev, disk, NAMELEN);
606 (void)strncpy(spcl.c_filesys, "an unlisted file system",
611 (void)strncpy(spcl.c_dev, disk, NAMELEN);
612 (void)strncpy(spcl.c_filesys, "an unlisted file system",
617 if (directory[0] != 0) {
619 msg("Only level 0 dumps are allowed on a subdirectory\n");
620 msg("The ENTIRE dump is aborted.\n");
624 msg("You can't update the dumpdates file when dumping a subdirectory\n");
625 msg("The ENTIRE dump is aborted.\n");
629 spcl.c_dev[NAMELEN-1] = '\0';
630 spcl.c_filesys[NAMELEN-1] = '\0';
631 (void)gethostname(spcl.c_host, NAMELEN);
632 spcl.c_host[NAMELEN-1] = '\0';
633 spcl.c_level = level - '0';
634 spcl.c_type = TS_TAPE;
636 getdumptime(uflag); /* dumpdates snarfed */
638 if (spcl.c_ddate == 0 && spcl.c_level) {
639 msg("WARNING: There is no inferior level dump on this filesystem\n");
640 msg("WARNING: Assuming a level 0 dump by default\n");
646 snprintf(tape, MAXPATHLEN, "%s%03d", tapeprefix, tapeno + 1);
648 strncpy(tape, tapeprefix, MAXPATHLEN);
649 tape[MAXPATHLEN - 1] = '\0';
652 if (STAT(tape, &statbuf) != -1)
653 fifoout= statbuf.st_mode & S_IFIFO;
658 msg("Date of this level %c dump: %s", level,
659 ctime4(&spcl.c_date));
661 gThisDumpDate = spcl.c_date;
664 msg("Date of last level %c dump: %s", lastlevel,
665 ctime4(&spcl.c_ddate));
666 msg("Dumping %s (%s) ", disk, spcl.c_filesys);
668 msgtail("to %s on host %s\n", tape, host);
670 msgtail("to %s\n", tape);
671 } /* end of size estimate */
674 if ((diskfd = OPEN(disk, O_RDONLY)) < 0) {
675 msg("Cannot open %s\n", disk);
676 msg("The ENTIRE dump is aborted.\n");
680 (void)ioctl(diskfd, BLKFLSBUF);
682 retval = dump_fs_open(disk, &fs);
684 com_err(disk, retval, "while opening filesystem");
685 if (retval == EXT2_ET_REV_TOO_HIGH)
686 msg("Get a newer version of dump!\n");
687 msg("The ENTIRE dump is aborted.\n");
690 if (fs->super->s_rev_level > DUMP_CURRENT_REV) {
691 com_err(disk, retval, "while opening filesystem");
692 msg("Get a newer version of dump!\n");
693 msg("The ENTIRE dump is aborted.\n");
696 /* if no user label specified, use ext2 filesystem label if available */
697 if (spcl.c_label[0] == '\0') {
699 if ( (lbl = get_device_label(disk)) != NULL) {
700 strncpy(spcl.c_label, lbl, LBLSIZE);
701 spcl.c_label[LBLSIZE-1] = '\0';
704 strcpy(spcl.c_label, "none"); /* safe strcpy. */
707 dev_bsize = DEV_BSIZE;
708 dev_bshift = ffs(dev_bsize) - 1;
709 if (dev_bsize != (1 << dev_bshift))
710 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
711 tp_bshift = ffs(TP_BSIZE) - 1;
712 if (TP_BSIZE != (1 << tp_bshift))
713 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
714 maxino = fs->super->s_inodes_count + 1;
715 spcl.c_flags |= DR_NEWINODEFMT;
716 #else /* __linux __*/
717 if ((diskfd = open(disk, O_RDONLY)) < 0) {
718 msg("Cannot open %s\n", disk);
719 msg("The ENTIRE dump is aborted.\n");
723 sblock = (struct fs *)sblock_buf;
724 bread(SBOFF, (char *) sblock, SBSIZE);
725 if (sblock->fs_magic != FS_MAGIC)
726 quit("bad sblock magic number\n");
727 dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1);
728 dev_bshift = ffs(dev_bsize) - 1;
729 if (dev_bsize != (1 << dev_bshift))
730 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
731 tp_bshift = ffs(TP_BSIZE) - 1;
732 if (TP_BSIZE != (1 << tp_bshift))
733 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
735 if (sblock->fs_inodefmt >= FS_44INODEFMT)
736 spcl.c_flags |= DR_NEWINODEFMT;
738 maxino = sblock->fs_ipg * sblock->fs_ncg;
739 #endif /* __linux__ */
740 mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE);
741 usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
742 dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
743 dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
744 metainomap = (char *)calloc((unsigned) mapsize, sizeof(char));
745 if (usedinomap == NULL || dumpdirmap == NULL ||
746 dumpinomap == NULL || metainomap == NULL)
747 quit("out of memory allocating inode maps\n");
748 tapesize = 2 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
750 nonodump = spcl.c_level < honorlevel;
753 msg("Label: %s\n", spcl.c_label);
755 msg("Writing %d Kilobyte records\n", ntrec);
758 msg("Compressing output at compression level %d (%s)\n",
759 compressed, bzipflag ? "bzlib" : "zlib");
763 (void)signal(SIGINFO, statussig);
767 msg("mapping (Pass I) [regular files]\n");
769 if (directory[0] == 0)
770 anydirskipped = mapfiles(maxino, &tapesize);
772 if (LSTAT(pathname, &statbuf) == -1) {
773 msg("File cannot be accessed (%s).\n", pathname);
774 msg("The ENTIRE dump is aborted.\n");
777 filedev = statbuf.st_dev;
778 if (!(statbuf.st_mode & S_IFDIR)) /* is a file */
779 anydirskipped = maponefile(maxino, &tapesize,
782 anydirskipped = mapfilesfromdir(maxino, &tapesize,
788 /* check if file is available */
789 if (LSTAT(p, &statbuf) == -1) {
790 msg("File cannot be accessed (%s).\n", p);
791 msg("The ENTIRE dump is aborted.\n");
794 /* check if file is on same unix partiton as the first
796 if (statbuf.st_dev != filedev) {
797 msg("Files are not on same file system (%s).\n", p);
798 msg("The ENTIRE dump is aborted.\n");
801 /* check if file is a directory */
802 if (!(statbuf.st_mode & S_IFDIR))
803 anydirskipped2 = maponefile(maxino, &tapesize,
804 p+strlen(dt->mnt_dir));
806 /* read directory inodes.
807 * NOTE: nested directories are not recognized
808 * so inodes may be umped twice!
810 anydirskipped2 = mapfilesfromdir(maxino, &tapesize,
811 p+strlen(dt->mnt_dir));
813 anydirskipped = anydirskipped2;
817 anydirskipped = mapfiles(maxino, &tapesize);
821 msg("mapping (Pass II) [directories]\n");
822 while (anydirskipped) {
823 anydirskipped = mapdirs(maxino, &tapesize);
827 printf("%.0f\n", ((double)tapesize + 1 + ntrec) * TP_BSIZE);
829 } /* stop here for size estimate */
831 if (pipeout || unlimited) {
832 tapesize += 1 + ntrec; /* 1 map header + trailer blocks */
833 msg("estimated %ld blocks.\n", tapesize);
838 fetapes = (double) tapesize / blocksperfile;
839 else if (cartridge) {
840 /* Estimate number of tapes, assuming streaming stops at
841 the end of each block written, and not in mid-block.
842 Assume no erroneous blocks; this can be compensated
843 for with an artificially low tape size. */
845 ( (double) tapesize /* blocks */
846 * TP_BSIZE /* bytes/block */
847 * (1.0/density) /* 0.1" / byte " */
849 (double) tapesize /* blocks */
850 * (1.0/ntrec) /* streaming-stops per block */
851 * 15.48 /* 0.1" / streaming-stop " */
852 ) * (1.0 / tsize ); /* tape / 0.1" " */
854 /* Estimate number of tapes, for old fashioned 9-track
856 int tenthsperirg = (density == 625) ? 3 : 7;
858 ( (double) tapesize /* blocks */
859 * TP_BSIZE /* bytes / block */
860 * (1.0/density) /* 0.1" / byte " */
862 (double) tapesize /* blocks */
863 * (1.0/ntrec) /* IRG's / block */
864 * tenthsperirg /* 0.1" / IRG " */
865 ) * (1.0 / tsize ); /* tape / 0.1" " */
867 etapes = fetapes; /* truncating assignment */
869 /* count the dumped inodes map on each additional tape */
870 tapesize += (etapes - 1) *
871 (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
872 tapesize += etapes + ntrec; /* headers + trailer blks */
873 msg("estimated %ld blocks on %3.2f tape(s).\n",
879 msg("writing QFA positions to %s\n", gTapeposfile);
880 if ((gTapeposfd = open(gTapeposfile,
881 O_WRONLY|O_CREAT|O_TRUNC,
882 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP
883 | S_IROTH | S_IWOTH)) < 0)
884 quit("can't open tapeposfile\n");
885 /* print QFA-file header */
886 snprintf(gTps, sizeof(gTps), "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION, (unsigned long)spcl.c_date);
887 gTps[sizeof(gTps) - 1] = '\0';
888 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
889 quit("can't write tapeposfile\n");
890 sprintf(gTps, "ino\ttapeno\ttapepos\n");
891 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
892 quit("can't write tapeposfile\n");
897 * Allocate tape buffer.
901 "can't allocate tape buffers - try a smaller blocking factor.\n");
904 tstart_writing = time(NULL);
905 dumpmap(usedinomap, TS_CLRI, maxino - 1);
907 msg("dumping (Pass III) [directories]\n");
908 dirty = 0; /* XXX just to get gcc to shut up */
909 for (map = dumpdirmap, ino = 1; ino < maxino; ino++) {
910 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
914 if ((dirty & 1) == 0)
917 * Skip directory inodes deleted and maybe reallocated
920 if ((dp->di_mode & IFMT) != IFDIR)
924 * Skip directory inodes deleted and not yes reallocated...
926 if (dp->di_nlink == 0 || dp->di_dtime != 0)
929 msg("dumping directory inode %lu\n", ino);
930 (void)dumpdirino(dp, ino);
932 (void)dumpino(dp, ino);
936 msg("dumping (Pass IV) [regular files]\n");
937 for (map = dumpinomap, ino = 1; ino < maxino; ino++) {
938 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
942 if ((dirty & 1) == 0)
945 * Skip inodes deleted and reallocated as directories.
948 if ((dp->di_mode & IFMT) == IFDIR)
952 * No need to check here for deleted and not yet reallocated
953 * inodes since this is done in dumpino().
957 if (mflag && TSTINO(ino, metainomap))
958 msg("dumping regular inode %lu (meta only)\n", ino);
960 msg("dumping regular inode %lu\n", ino);
962 (void)dumpino(dp, ino, mflag && TSTINO(ino, metainomap));
965 tend_writing = time(NULL);
966 spcl.c_type = TS_END;
969 volinfo[1] = ROOTINO;
970 memcpy(spcl.c_inos, volinfo, TP_NINOS * sizeof(dump_ino_t));
971 spcl.c_flags |= DR_INODEINFO;
975 * Finish off the current tape record with trailer blocks, to ensure
976 * at least the data in the last partial record makes it to tape.
977 * Also make sure we write at least 1 trailer block.
979 for (i = ntrec - (spcl.c_tapea % ntrec); i; --i)
980 writeheader(maxino - 1);
984 if (pipeout || fifoout)
985 msg("%ld blocks (%.2fMB)\n", spcl.c_tapea,
986 ((double)spcl.c_tapea * TP_BSIZE / 1048576));
988 msg("%ld blocks (%.2fMB) on %d volume(s)\n",
990 ((double)spcl.c_tapea * TP_BSIZE / 1048576),
993 /* report dump performance, avoid division by zero */
994 if (tend_writing - tstart_writing == 0)
995 msg("finished in less than a second\n");
997 msg("finished in %d seconds, throughput %d kBytes/sec\n",
998 tend_writing - tstart_writing,
999 spcl.c_tapea / (tend_writing - tstart_writing));
1002 msg("Date of this level %c dump: %s", level,
1003 spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
1004 msg("Date this dump completed: %s", ctime(&tnow));
1006 msg("Average transfer rate: %ld kB/s\n", xferrate / tapeno);
1008 long tapekb = bytes_written / 1024;
1009 double rate = .0005 + (double) spcl.c_tapea / tapekb;
1010 msg("Wrote %ldkB uncompressed, %ldkB compressed, %1.3f:1\n",
1011 spcl.c_tapea, tapekb, rate);
1015 msg("Archiving dump to %s\n", Apath);
1017 broadcast("DUMP IS DONE!\7\7\n");
1018 msg("DUMP IS DONE\n");
1021 return 0; /* gcc - shut up */
1027 char white[MAXPATHLEN];
1028 const char *ext2ver, *ext2date;
1030 memset(white, ' ', MAXPATHLEN);
1031 white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
1034 ext2fs_get_library_version(&ext2ver, &ext2date);
1035 fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
1036 __progname, _DUMP_VERSION, ext2ver, ext2date);
1038 fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
1041 "usage:\t%s [-0123456789ac"
1046 "] [-A file] [-B records] [-b blocksize]\n"
1047 "\t%s [-d density] [-D file] [-e inode#,inode#,...] [-E file]\n"
1048 "\t%s [-f file] [-h level] [-I nr errors] "
1062 __progname, white, white, white, __progname);
1067 * Pick up a numeric argument. It must be nonnegative and in the given
1068 * range (except that a vmax of 0 means unlimited).
1071 numarg(const char *meaning, long vmin, long vmax)
1076 val = strtol(optarg, &p, 10);
1078 errx(X_STARTUP, "illegal %s -- %s", meaning, optarg);
1079 if (val < vmin || (vmax && val > vmax))
1080 errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax);
1094 if (pipeout || fifoout)
1095 quit("Signal on pipe: cannot recover\n");
1096 msg("Rewriting attempted as response to unknown signal: %d.\n", signo);
1097 (void)fflush(stderr);
1098 (void)fflush(stdout);
1103 msg("SIGSEGV: ABORTING!\n");
1104 (void)signal(SIGSEGV, SIG_DFL);
1105 (void)kill(0, SIGSEGV);
1111 rawname(const char *cp)
1115 #else /* __linux__ */
1116 static char rawbuf[MAXPATHLEN];
1117 char *dp = strrchr(cp, '/');
1121 (void)strncpy(rawbuf, cp, min(dp-cp, MAXPATHLEN - 1));
1122 rawbuf[min(dp-cp, MAXPATHLEN-1)] = '\0';
1123 (void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf));
1124 (void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf));
1126 #endif /* __linux__ */
1131 * Change set of key letters and ordered arguments into something
1132 * getopt(3) will like.
1135 obsolete(int *argcp, char **argvp[])
1138 char *ap, **argv, *flagsp=NULL, **nargv, *p=NULL;
1144 /* Return if no arguments or first argument has leading dash. */
1146 if (argc == 1 || *ap == '-')
1149 /* Allocate space for new arguments. */
1150 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
1151 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
1152 err(X_STARTUP, "malloc new args");
1157 for (flags = 0; *ap; ++ap) {
1173 if (*argv == NULL) {
1174 warnx("option requires an argument -- %c", *ap);
1177 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
1178 err(X_STARTUP, "malloc arg");
1181 (void)strcpy(&nargv[0][2], *argv);
1195 /* Terminate flags. */
1201 /* Copy remaining arguments. */
1202 while ((*nargv++ = *argv++));
1204 /* Update argument count. */
1205 *argcp = nargv - *argvp - 1;
1209 * This tests whether an inode is in the exclude list
1212 exclude_ino(dump_ino_t ino)
1215 if (iexclude_num) { /* if there are inodes in the exclude list */
1216 int idx; /* then check this inode against it */
1217 for (idx = 0; idx < iexclude_num; idx++)
1218 if (ino == iexclude_list[idx])
1225 * This tests adds an inode to the exclusion list if it isn't already there
1228 do_exclude_ino(dump_ino_t ino, const char *reason)
1230 if (!exclude_ino(ino)) {
1231 if (iexclude_num == IEXCLUDE_MAXNUM) {
1232 msg("Too many exclude options\n");
1233 msg("The ENTIRE dump is aborted.\n");
1237 msg("Excluding inode %u (%s) from dump\n",
1240 msg("Excluding inode %u from dump\n", ino);
1241 iexclude_list[iexclude_num++] = ino;
1246 do_exclude_ino_str(char * ino) {
1250 inod = strtoul(ino, &r, 10);
1251 if (( *r != '\0' && !isspace(*r) ) || inod <= ROOTINO) {
1252 msg("Invalid inode argument %s\n", ino);
1253 msg("The ENTIRE dump is aborted.\n");
1256 do_exclude_ino(inod, NULL);
1260 * This reads a file containing one inode number per line and exclude them all
1263 do_exclude_from_file(char *file) {
1265 char *p, fname[MAXPATHLEN];
1268 if (!( f = fopen(file, "r")) ) {
1269 msg("Cannot open file for reading: %s\n", file);
1270 msg("The ENTIRE dump is aborted.\n");
1273 while (( p = fgets(fname, MAXPATHLEN, f))) {
1274 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */
1275 *(p + strlen(p) - 1) = '\0';
1276 if ( !*p ) /* skip empty lines */
1278 do_exclude_ino_str(p);
1283 static void incompat_flags(int cond, char flag1, char flag2) {
1285 msg("You cannot use the %c and %c flags together.\n",
1287 msg("The ENTIRE dump is aborted.\n");