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. 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 rcsid[] =
44 "$Id: main.c,v 1.70 2002/03/11 10:17:43 stelian Exp $";
48 #include <compatlfs.h>
50 #include <compaterr.h>
60 #include <sys/param.h>
64 #ifdef HAVE_EXT2FS_EXT2_FS_H
65 #include <ext2fs/ext2_fs.h>
67 #include <linux/ext2_fs.h>
69 #include <ext2fs/ext2fs.h>
71 #include <bsdcompat.h>
73 #include <sys/vnode.h>
75 #include <ufs/inode.h>
78 #include <ufs/ufs/dinode.h>
79 #include <ufs/ffs/fs.h>
82 #include <protocols/dumprestore.h>
85 #include "pathnames.h"
89 #define SBOFF (SBLOCK * DEV_BSIZE)
93 * Dump maps used to describe what is to be dumped.
95 int mapsize; /* size of the state maps */
96 char *usedinomap; /* map of allocated inodes */
97 char *dumpdirmap; /* map of directories to be dumped */
98 char *dumpinomap; /* map of files to be dumped */
100 const char *disk; /* name of the disk file */
101 char tape[MAXPATHLEN];/* name of the tape file */
102 char *tapeprefix; /* prefix of the tape file */
103 char *dumpdates; /* name of the file containing dump date information*/
104 char lastlevel; /* dump level of previous dump */
105 char level; /* dump level of this dump */
106 int bzipflag; /* compression is done using bzlib */
107 int Afile = 0; /* archive file descriptor */
108 int uflag; /* update flag */
109 int Mflag; /* multi-volume flag */
110 int qflag; /* quit on errors flag */
111 int breademax = 32; /* maximum number of bread errors before we quit */
112 char *eot_script; /* end of volume script fiag */
113 int diskfd; /* disk file descriptor */
114 int tapefd; /* tape file descriptor */
115 int pipeout; /* true => output to standard output */
116 int fifoout; /* true => output to fifo */
117 dump_ino_t curino; /* current inumber; used globally */
118 int newtape; /* new tape flag */
119 int density; /* density in 0.1" units */
120 long tapesize; /* estimated tape size, blocks */
121 long tsize; /* tape size in 0.1" units */
122 long asize; /* number of 0.1" units written on current tape */
123 int etapes; /* estimated number of tapes */
124 int nonodump; /* if set, do not honor UF_NODUMP user flags */
125 int unlimited; /* if set, write to end of medium */
126 int compressed; /* if set, dump is to be compressed */
127 long long bytes_written;/* total bytes written to tape */
128 long uncomprblks; /* uncompressed blocks written to tape */
129 int notify; /* notify operator flag */
130 int blockswritten; /* number of blocks written on current tape */
131 int tapeno; /* current tape number */
132 time_t tstart_writing; /* when started writing the first tape block */
133 time_t tend_writing; /* after writing the last tape block */
137 struct fs *sblock; /* the file system super block */
138 char sblock_buf[MAXBSIZE];
140 long xferrate; /* averaged transfer rate of all volumes */
141 long dev_bsize; /* block size of underlying disk device */
142 int dev_bshift; /* log2(dev_bsize) */
143 int tp_bshift; /* log2(TP_BSIZE) */
144 dump_ino_t volinfo[TP_NINOS];/* which inode on which volume archive info */
150 int32_t gThisDumpDate;
153 struct dumptime *dthead; /* head of the list version */
154 int nddates; /* number of records (might be zero) */
155 int ddates_in; /* we have read the increment file */
156 struct dumpdates **ddatev; /* the arrayfied version */
158 int notify = 0; /* notify operator flag */
159 int blockswritten = 0; /* number of blocks written on current tape */
160 int tapeno = 0; /* current tape number */
161 int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */
162 int ntrec = NTREC; /* # tape blocks in each tape record */
163 int cartridge = 0; /* Assume non-cartridge tape */
165 int tapepos = 0; /* assume no QFA tapeposition needed by user */
167 int dokerberos = 0; /* Use Kerberos authentication */
168 long dev_bsize = 1; /* recalculated below */
169 long blocksperfile; /* output blocks per file */
170 char *host = NULL; /* remote host (if any) */
171 int sizest = 0; /* return size estimate only */
172 int compressed = 0; /* use zlib to compress the output, compress level 1-9 */
173 long long bytes_written = 0; /* total bytes written */
174 long uncomprblks = 0;/* uncompressed blocks written */
180 int maxbsize = 64*1024; /* XXX MAXBSIZE from sys/param.h */
181 static long numarg __P((const char *, long, long));
182 static void obsolete __P((int *, char **[]));
183 static void usage __P((void));
184 static void do_exclude_from_file __P((char *));
185 static void do_exclude_ino_str __P((char *));
186 static void incompat_flags __P((int, char, char));
188 static dump_ino_t iexclude_list[IEXCLUDE_MAXNUM];/* the inode exclude list */
189 static int iexclude_num = 0; /* number of elements in the list */
192 main(int argc, char *argv[])
200 int i, anydirskipped;
201 int aflag = 0, bflag = 0, Tflag = 0, honorlevel = 1;
207 char directory[MAXPATHLEN];
208 char pathname[MAXPATHLEN];
214 spcl.c_label[0] = '\0';
215 spcl.c_date = time(NULL);
218 __progname = argv[0];
220 initialize_ext2_error_table();
223 tsize = 0; /* Default later, based on 'c' option for cart tapes */
226 if ((tapeprefix = getenv("TAPE")) == NULL)
227 tapeprefix = _PATH_DEFTAPE;
228 dumpdates = _PATH_DUMPDATES;
229 if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
230 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
236 obsolete(&argc, &argv);
242 while ((ch = getopt(argc, argv,
243 "0123456789A:aB:b:cd:e:E:f:F:h:I:"
262 case '0': case '1': case '2': case '3': case '4':
263 case '5': case '6': case '7': case '8': case '9':
267 case 'A': /* archive file */
269 if ((Afile = open(Apath, O_RDWR|O_CREAT|O_TRUNC,
270 S_IRUSR | S_IWUSR)) < 0) {
271 msg("Cannot open %s for writing: %s\n",
272 optarg, strerror(errno));
273 msg("The ENTIRE dump is aborted.\n");
276 memset(volinfo, 0, TP_NINOS * sizeof(dump_ino_t));
279 case 'a': /* `auto-size', Write to EOM. */
284 case 'B': /* blocks per output file */
286 blocksperfile = numarg("number of blocks per file",
290 case 'b': /* blocks per tape write */
291 ntrec = numarg("number of blocks per write",
293 if (ntrec > maxbsize/1024) {
294 msg("Please choose a blocksize <= %dkB\n",
296 msg("The ENTIRE dump is aborted.\n");
302 case 'c': /* Tape is cart. not 9-track */
307 case 'd': /* density, in bits per inch */
309 density = numarg("density", 10L, 327670L) / 10;
310 if (density >= 625 && !bflag)
311 ntrec = HIGHDENSITYTREC;
315 case 'e': /* exclude an inode */
317 char *p = optarg, *q;
318 while ((q = strchr(p, ','))) {
320 do_exclude_ino_str(p);
323 do_exclude_ino_str(p);
327 case 'E': /* exclude inodes read from file */
328 do_exclude_from_file(optarg);
331 case 'f': /* output file */
335 case 'F': /* end of tape script */
340 honorlevel = numarg("honor level", 0L, 10L);
348 compressed = numarg("compress level", 1L, 9L);
350 #endif /* HAVE_BZLIB */
354 numarg ("number of errors to ignore", 1L, 0L);
365 * Note that although there are LBLSIZE characters,
366 * the last must be '\0', so the limit on strlen()
367 * is really LBLSIZE-1.
369 strncpy(spcl.c_label, optarg, LBLSIZE);
370 spcl.c_label[LBLSIZE-1] = '\0';
371 if (strlen(optarg) > LBLSIZE-1) {
373 "WARNING Label `%s' is larger than limit of %d characters.\n",
375 msg("WARNING: Using truncated label `%s'.\n",
380 case 'M': /* multi-volume flag */
384 case 'n': /* notify operators */
393 case 'Q': /* create tapeposfile */
394 gTapeposfile = optarg;
399 case 's': /* tape size, feet */
401 tsize = numarg("tape size", 1L, 0L) * 12 * 10;
405 sizest = 1; /* return size estimate only */
408 case 'T': /* time of last dump */
409 spcl.c_ddate = unctime(optarg);
410 if (spcl.c_ddate < 0) {
411 msg("bad time \"%s\"\n", optarg);
412 msg("The ENTIRE dump is aborted.\n");
419 case 'u': /* update dumpdates */
423 case 'W': /* what to do */
426 exit(X_FINOK); /* do nothing else */
431 compressed = numarg("compress level", 1L, 9L);
433 #endif /* HAVE_ZLIB */
442 msg("Must specify disk or filesystem\n");
443 msg("The ENTIRE dump is aborted.\n");
447 if (strlen(diskparam) >= MAXPATHLEN) {
448 msg("Disk or filesystem name too long: %s\n", diskparam);
449 msg("The ENTIRE dump is aborted.\n");
453 incompat_flags(Tflag && uflag, 'T', 'u');
454 incompat_flags(aflag && blocksperfile, 'a', 'B');
455 incompat_flags(aflag && cartridge, 'a', 'c');
456 incompat_flags(aflag && density, 'a', 'd');
457 incompat_flags(aflag && tsize, 'a', 's');
459 if (strcmp(tapeprefix, "-") == 0) {
461 tapeprefix = "standard output";
464 if (blocksperfile && !compressed)
465 blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
466 else if (!unlimited) {
468 * Determine how to default tape size and density
471 * 9-track 1600 bpi (160 bytes/.1") 2300 ft.
472 * 9-track 6250 bpi (625 bytes/.1") 2300 ft.
473 * cartridge 8000 bpi (100 bytes/.1") 1700 ft.
475 * hilit19 hits again: "
478 density = cartridge ? 100 : 160;
480 tsize = cartridge ? 1700L*120L : 2300L*120L;
483 if (strchr(tapeprefix, ':')) {
485 tapeprefix = strchr(host, ':');
486 *tapeprefix++ = '\0';
488 if (index(tapeprefix, '\n')) {
489 msg("invalid characters in tape\n");
490 msg("The ENTIRE dump is aborted.\n");
493 if (rmthost(host) == 0)
496 msg("remote dump not enabled\n");
497 msg("The ENTIRE dump is aborted.\n");
501 (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
503 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
505 if (signal(SIGTRAP, SIG_IGN) != SIG_IGN)
506 signal(SIGTRAP, sig);
507 if (signal(SIGFPE, SIG_IGN) != SIG_IGN)
509 if (signal(SIGBUS, SIG_IGN) != SIG_IGN)
511 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN)
512 signal(SIGSEGV, sig);
513 if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
514 signal(SIGTERM, sig);
515 if (signal(SIGINT, interrupt) == SIG_IGN)
516 signal(SIGINT, SIG_IGN);
518 signal(SIGXCPU, SIG_IGN);
521 signal(SIGXFSZ, SIG_IGN);
524 set_operators(); /* /etc/group snarfed */
525 getfstab(); /* /etc/fstab snarfed */
528 * disk may end in / and this can confuse
531 i = strlen(diskparam) - 1;
532 if (i > 1 && diskparam[i] == '/')
533 if (!(i == 6 && !strcmp(diskparam, "LABEL=/")))
536 disk = get_device_name(diskparam);
537 if (!disk) { /* null means the disk is some form
538 of LABEL= or UID= but it was not
540 msg("Cannot find a disk having %s\n", diskparam);
541 msg("The ENTIRE dump is aborted.\n");
545 * disk can be either the full special file name,
546 * the suffix of the special file name,
547 * the special name missing the leading '/',
548 * the file system name with or without the leading '/'.
550 if ((dt = fstabsearch(disk)) != NULL) {
551 /* if found then only one parameter (i.e. partition)
554 (void)fprintf(stderr, "Unknown arguments to dump:");
556 (void)fprintf(stderr, " %s", *argv++);
557 (void)fprintf(stderr, "\n");
558 msg("The ENTIRE dump is aborted.\n");
561 disk = rawname(dt->fs_spec);
562 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
563 (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
567 if (realpath(disk, pathname) == NULL)
569 strcpy(pathname, disk);
571 * The argument could be now a mountpoint of
572 * a filesystem specified in fstab. Search for it.
574 if ((dt = fstabsearch(pathname)) != NULL) {
575 disk = rawname(dt->fs_spec);
576 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
577 (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
580 * The argument was not found in the fstab
581 * assume that this is a subtree and search for it
583 dt = fstabsearchdir(pathname, directory);
585 char name[MAXPATHLEN];
586 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
587 (void)snprintf(name, sizeof(name), "%s (dir %s)",
588 dt->fs_file, directory);
589 (void)strncpy(spcl.c_filesys, name, NAMELEN);
590 disk = rawname(dt->fs_spec);
592 (void)strncpy(spcl.c_dev, disk, NAMELEN);
593 (void)strncpy(spcl.c_filesys, "an unlisted file system",
598 (void)strncpy(spcl.c_dev, disk, NAMELEN);
599 (void)strncpy(spcl.c_filesys, "an unlisted file system",
604 if (directory[0] != 0) {
606 msg("Only level 0 dumps are allowed on a subdirectory\n");
607 msg("The ENTIRE dump is aborted.\n");
611 msg("You can't update the dumpdates file when dumping a subdirectory\n");
612 msg("The ENTIRE dump is aborted.\n");
616 spcl.c_dev[NAMELEN-1] = '\0';
617 spcl.c_filesys[NAMELEN-1] = '\0';
618 (void)gethostname(spcl.c_host, NAMELEN);
619 spcl.c_host[NAMELEN-1] = '\0';
620 spcl.c_level = level - '0';
621 spcl.c_type = TS_TAPE;
623 getdumptime(uflag); /* dumpdates snarfed */
625 if (spcl.c_ddate == 0 && spcl.c_level) {
626 msg("WARNING: There is no inferior level dump on this filesystem\n");
627 msg("WARNING: Assuming a level 0 dump by default\n");
633 snprintf(tape, MAXPATHLEN, "%s%03d", tapeprefix, tapeno + 1);
635 strncpy(tape, tapeprefix, MAXPATHLEN);
636 tape[MAXPATHLEN - 1] = '\0';
639 if (STAT(tape, &statbuf) != -1)
640 fifoout= statbuf.st_mode & S_IFIFO;
645 msg("Date of this level %c dump: %s", level,
646 ctime4(&spcl.c_date));
648 gThisDumpDate = spcl.c_date;
651 msg("Date of last level %c dump: %s", lastlevel,
652 ctime4(&spcl.c_ddate));
653 msg("Dumping %s (%s) ", disk, spcl.c_filesys);
655 msgtail("to %s on host %s\n", tape, host);
657 msgtail("to %s\n", tape);
658 } /* end of size estimate */
661 if ((diskfd = OPEN(disk, O_RDONLY)) < 0) {
662 msg("Cannot open %s\n", disk);
663 msg("The ENTIRE dump is aborted.\n");
667 (void)ioctl(diskfd, BLKFLSBUF);
669 retval = dump_fs_open(disk, &fs);
671 com_err(disk, retval, "while opening filesystem");
672 if (retval == EXT2_ET_REV_TOO_HIGH)
673 msg("Get a newer version of dump!\n");
674 msg("The ENTIRE dump is aborted.\n");
677 if (fs->super->s_rev_level > DUMP_CURRENT_REV) {
678 com_err(disk, retval, "while opening filesystem");
679 msg("Get a newer version of dump!\n");
680 msg("The ENTIRE dump is aborted.\n");
683 /* if no user label specified, use ext2 filesystem label if available */
684 if (spcl.c_label[0] == '\0') {
686 if ( (lbl = get_device_label(disk)) != NULL) {
687 strncpy(spcl.c_label, lbl, LBLSIZE);
688 spcl.c_label[LBLSIZE-1] = '\0';
691 strcpy(spcl.c_label, "none"); /* safe strcpy. */
694 dev_bsize = DEV_BSIZE;
695 dev_bshift = ffs(dev_bsize) - 1;
696 if (dev_bsize != (1 << dev_bshift))
697 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
698 tp_bshift = ffs(TP_BSIZE) - 1;
699 if (TP_BSIZE != (1 << tp_bshift))
700 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
701 maxino = fs->super->s_inodes_count + 1;
703 spcl.c_flags |= DR_NEWINODEFMT;
705 #else /* __linux __*/
706 if ((diskfd = open(disk, O_RDONLY)) < 0) {
707 msg("Cannot open %s\n", disk);
708 msg("The ENTIRE dump is aborted.\n");
712 sblock = (struct fs *)sblock_buf;
713 bread(SBOFF, (char *) sblock, SBSIZE);
714 if (sblock->fs_magic != FS_MAGIC)
715 quit("bad sblock magic number\n");
716 dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1);
717 dev_bshift = ffs(dev_bsize) - 1;
718 if (dev_bsize != (1 << dev_bshift))
719 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
720 tp_bshift = ffs(TP_BSIZE) - 1;
721 if (TP_BSIZE != (1 << tp_bshift))
722 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
724 if (sblock->fs_inodefmt >= FS_44INODEFMT)
725 spcl.c_flags |= DR_NEWINODEFMT;
727 maxino = sblock->fs_ipg * sblock->fs_ncg;
728 #endif /* __linux__ */
729 mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE);
730 usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
731 dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
732 dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
733 if (usedinomap == NULL || dumpdirmap == NULL || dumpinomap == NULL)
734 quit("out of memory allocating inode maps\n");
735 tapesize = 2 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
737 nonodump = spcl.c_level < honorlevel;
740 msg("Label: %s\n", spcl.c_label);
743 msg("Compressing output at compression level %d (%s)\n",
744 compressed, bzipflag ? "bzlib" : "zlib");
748 (void)signal(SIGINFO, statussig);
752 msg("mapping (Pass I) [regular files]\n");
754 if (directory[0] == 0)
755 anydirskipped = mapfiles(maxino, &tapesize);
757 if (STAT(pathname, &statbuf) == -1) {
758 msg("File cannot be accessed (%s).\n", pathname);
759 msg("The ENTIRE dump is aborted.\n");
762 filedev = statbuf.st_dev;
763 if (!(statbuf.st_mode & S_IFDIR)) /* is a file */
764 anydirskipped = maponefile(maxino, &tapesize,
767 anydirskipped = mapfilesfromdir(maxino, &tapesize,
773 /* check if file is available */
774 if (STAT(p, &statbuf) == -1) {
775 msg("File cannot be accessed (%s).\n", p);
776 msg("The ENTIRE dump is aborted.\n");
779 /* check if file is on same unix partiton as the first
781 if (statbuf.st_dev != filedev) {
782 msg("Files are not on same file system (%s).\n", p);
783 msg("The ENTIRE dump is aborted.\n");
786 /* check if file is a directory */
787 if (!(statbuf.st_mode & S_IFDIR))
788 anydirskipped2 = maponefile(maxino, &tapesize,
789 p+strlen(dt->fs_file));
791 /* read directory inodes.
792 * NOTE: nested directories are not recognized
793 * so inodes may be umped twice!
795 anydirskipped2 = mapfilesfromdir(maxino, &tapesize,
796 p+strlen(dt->fs_file));
798 anydirskipped = anydirskipped2;
802 anydirskipped = mapfiles(maxino, &tapesize);
806 msg("mapping (Pass II) [directories]\n");
807 while (anydirskipped) {
808 anydirskipped = mapdirs(maxino, &tapesize);
812 printf("%.0f\n", ((double)tapesize + 1 + ntrec) * TP_BSIZE);
814 } /* stop here for size estimate */
816 if (pipeout || unlimited) {
817 tapesize += 1 + ntrec; /* 1 map header + trailer blocks */
818 msg("estimated %ld tape blocks.\n", tapesize);
823 fetapes = (double) tapesize / blocksperfile;
824 else if (cartridge) {
825 /* Estimate number of tapes, assuming streaming stops at
826 the end of each block written, and not in mid-block.
827 Assume no erroneous blocks; this can be compensated
828 for with an artificially low tape size. */
830 ( (double) tapesize /* blocks */
831 * TP_BSIZE /* bytes/block */
832 * (1.0/density) /* 0.1" / byte " */
834 (double) tapesize /* blocks */
835 * (1.0/ntrec) /* streaming-stops per block */
836 * 15.48 /* 0.1" / streaming-stop " */
837 ) * (1.0 / tsize ); /* tape / 0.1" " */
839 /* Estimate number of tapes, for old fashioned 9-track
841 int tenthsperirg = (density == 625) ? 3 : 7;
843 ( (double) tapesize /* blocks */
844 * TP_BSIZE /* bytes / block */
845 * (1.0/density) /* 0.1" / byte " */
847 (double) tapesize /* blocks */
848 * (1.0/ntrec) /* IRG's / block */
849 * tenthsperirg /* 0.1" / IRG " */
850 ) * (1.0 / tsize ); /* tape / 0.1" " */
852 etapes = fetapes; /* truncating assignment */
854 /* count the dumped inodes map on each additional tape */
855 tapesize += (etapes - 1) *
856 (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
857 tapesize += etapes + ntrec; /* headers + trailer blks */
858 msg("estimated %ld tape blocks on %3.2f tape(s).\n",
864 msg("writing QFA positions to %s\n", gTapeposfile);
865 if ((gTapeposfd = open(gTapeposfile, O_RDWR|O_CREAT|O_TRUNC, S_IRUSR | S_IWUSR)) < 0)
866 quit("can't open tapeposfile\n");
867 /* print QFA-file header */
868 snprintf(gTps, sizeof(gTps), "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION, (unsigned long)spcl.c_date);
869 gTps[sizeof(gTps) - 1] = '\0';
870 if (write(gTapeposfd, gTps, strlen(gTps)) != strlen(gTps))
871 quit("can't write tapeposfile\n");
872 sprintf(gTps, "ino\ttapeno\ttapepos\n");
873 if (write(gTapeposfd, gTps, strlen(gTps)) != strlen(gTps))
874 quit("can't write tapeposfile\n");
879 * Allocate tape buffer.
883 "can't allocate tape buffers - try a smaller blocking factor.\n");
886 tstart_writing = time(NULL);
887 dumpmap(usedinomap, TS_CLRI, maxino - 1);
889 msg("dumping (Pass III) [directories]\n");
890 dirty = 0; /* XXX just to get gcc to shut up */
891 for (map = dumpdirmap, ino = 1; ino < maxino; ino++) {
892 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
896 if ((dirty & 1) == 0)
899 * Skip directory inodes deleted and maybe reallocated
902 if ((dp->di_mode & IFMT) != IFDIR)
906 * Skip directory inodes deleted and not yes reallocated...
908 if (dp->di_nlink == 0 || dp->di_dtime != 0)
910 (void)dumpdirino(dp, ino);
912 (void)dumpino(dp, ino);
916 msg("dumping (Pass IV) [regular files]\n");
917 for (map = dumpinomap, ino = 1; ino < maxino; ino++) {
918 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
922 if ((dirty & 1) == 0)
925 * Skip inodes deleted and reallocated as directories.
928 if ((dp->di_mode & IFMT) == IFDIR)
932 * No need to check here for deleted and not yet reallocated
933 * inodes since this is done in dumpino().
936 (void)dumpino(dp, ino);
939 tend_writing = time(NULL);
940 spcl.c_type = TS_END;
943 volinfo[1] = ROOTINO;
944 memcpy(spcl.c_inos, volinfo, TP_NINOS * sizeof(dump_ino_t));
945 spcl.c_flags |= DR_INODEINFO;
949 * Finish off the current tape record with trailer blocks, to ensure
950 * at least the data in the last partial record makes it to tape.
951 * Also make sure we write at least 1 trailer block.
953 for (i = ntrec - (spcl.c_tapea % ntrec); i; --i)
954 writeheader(maxino - 1);
958 if (pipeout || fifoout)
959 msg("%ld tape blocks (%.2fMB)\n", spcl.c_tapea,
960 ((double)spcl.c_tapea * TP_BSIZE / 1048576));
962 msg("%ld tape blocks (%.2fMB) on %d volume(s)\n",
964 ((double)spcl.c_tapea * TP_BSIZE / 1048576),
967 /* report dump performance, avoid division by zero */
968 if (tend_writing - tstart_writing == 0)
969 msg("finished in less than a second\n");
971 msg("finished in %d seconds, throughput %d kBytes/sec\n",
972 tend_writing - tstart_writing,
973 spcl.c_tapea / (tend_writing - tstart_writing));
976 msg("Date of this level %c dump: %s", level,
977 spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
978 msg("Date this dump completed: %s", ctime(&tnow));
980 msg("Average transfer rate: %ld kB/s\n", xferrate / tapeno);
982 long tapekb = bytes_written / 1024;
983 double rate = .0005 + (double) spcl.c_tapea / tapekb;
984 msg("Wrote %ldkB uncompressed, %ldkB compressed, %1.3f:1\n",
985 spcl.c_tapea, tapekb, rate);
989 msg("Archiving dump to %s\n", Apath);
991 broadcast("DUMP IS DONE!\7\7\n");
992 msg("DUMP IS DONE\n");
995 return 0; /* gcc - shut up */
1001 char white[MAXPATHLEN];
1002 const char *ext2ver, *ext2date;
1004 memset(white, ' ', MAXPATHLEN);
1005 white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
1008 ext2fs_get_library_version(&ext2ver, &ext2date);
1009 fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
1010 __progname, _DUMP_VERSION, ext2ver, ext2date);
1012 fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
1015 "usage:\t%s [-0123456789ac"
1020 "] [-A file] [-B records] [-b blocksize]\n"
1021 "\t%s [-d density] [-e inode#,inode#,...] [-E file] [-f file]\n"
1022 "\t%s [-h level] [-I nr errors] "
1036 __progname, white, white, white, __progname);
1041 * Pick up a numeric argument. It must be nonnegative and in the given
1042 * range (except that a vmax of 0 means unlimited).
1045 numarg(const char *meaning, long vmin, long vmax)
1050 val = strtol(optarg, &p, 10);
1052 errx(X_STARTUP, "illegal %s -- %s", meaning, optarg);
1053 if (val < vmin || (vmax && val > vmax))
1054 errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax);
1068 if (pipeout || fifoout)
1069 quit("Signal on pipe: cannot recover\n");
1070 msg("Rewriting attempted as response to unknown signal: %d.\n", signo);
1071 (void)fflush(stderr);
1072 (void)fflush(stdout);
1077 msg("SIGSEGV: ABORTING!\n");
1078 (void)signal(SIGSEGV, SIG_DFL);
1079 (void)kill(0, SIGSEGV);
1085 rawname(const char *cp)
1089 #else /* __linux__ */
1090 static char rawbuf[MAXPATHLEN];
1091 char *dp = strrchr(cp, '/');
1095 (void)strncpy(rawbuf, cp, min(dp-cp, MAXPATHLEN - 1));
1096 rawbuf[min(dp-cp, MAXPATHLEN-1)] = '\0';
1097 (void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf));
1098 (void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf));
1100 #endif /* __linux__ */
1105 * Change set of key letters and ordered arguments into something
1106 * getopt(3) will like.
1109 obsolete(int *argcp, char **argvp[])
1112 char *ap, **argv, *flagsp=NULL, **nargv, *p=NULL;
1118 /* Return if no arguments or first argument has leading dash. */
1120 if (argc == 1 || *ap == '-')
1123 /* Allocate space for new arguments. */
1124 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
1125 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
1126 err(X_STARTUP, "malloc new args");
1131 for (flags = 0; *ap; ++ap) {
1146 if (*argv == NULL) {
1147 warnx("option requires an argument -- %c", *ap);
1150 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
1151 err(X_STARTUP, "malloc arg");
1154 (void)strcpy(&nargv[0][2], *argv);
1168 /* Terminate flags. */
1174 /* Copy remaining arguments. */
1175 while ((*nargv++ = *argv++));
1177 /* Update argument count. */
1178 *argcp = nargv - *argvp - 1;
1182 * This tests whether an inode is in the exclude list
1185 exclude_ino(dump_ino_t ino)
1188 if (iexclude_num) { /* if there are inodes in the exclude list */
1189 int idx; /* then check this inode against it */
1190 for (idx = 0; idx < iexclude_num; idx++)
1191 if (ino == iexclude_list[idx])
1198 * This tests adds an inode to the exclusion list if it isn't already there
1201 do_exclude_ino(dump_ino_t ino, const char *reason)
1203 if (!exclude_ino(ino)) {
1204 if (iexclude_num == IEXCLUDE_MAXNUM) {
1205 msg("Too many exclude options\n");
1206 msg("The ENTIRE dump is aborted.\n");
1210 msg("Added inode %u to exclude list (%s)\n",
1213 msg("Added inode %u to exclude list\n", ino);
1214 iexclude_list[iexclude_num++] = ino;
1219 do_exclude_ino_str(char * ino) {
1223 inod = strtoul(ino, &r, 10);
1224 if (*r != '\0' || inod <= ROOTINO) {
1225 msg("Invalid inode argument %s\n", ino);
1226 msg("The ENTIRE dump is aborted.\n");
1229 do_exclude_ino(inod, NULL);
1233 * This reads a file containing one inode number per line and exclude them all
1236 do_exclude_from_file(char *file) {
1238 char *p, fname[MAXPATHLEN];
1241 if (!( f = fopen(file, "r")) ) {
1242 msg("Cannot open file for reading: %s\n", file);
1243 msg("The ENTIRE dump is aborted.\n");
1246 while (( p = fgets(fname, MAXPATHLEN, f))) {
1247 if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */
1248 *(p + strlen(p) - 1) = '\0';
1249 if ( !*p ) /* skip empty lines */
1251 do_exclude_ino_str(p);
1256 static void incompat_flags(int cond, char flag1, char flag2) {
1258 msg("You cannot use the %c and %c flags together.\n",
1260 msg("The ENTIRE dump is aborted.\n");