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1 $Id: CHANGES,v 1.252 2004/07/05 15:02:32 stelian Exp $
2
3 Changes between versions 0.4b36 and 0.4b37 (released ??????????????)
4 ====================================================================
5
6 1. Added the --enable-staticz configure option which enables
7 dump and restore to be linked with static versions of
8 libz and libbz2 (and dynamic versions of all other libraries).
9 This will make Debian users happy, because libz and libbz2
10 were the only needed libraries living in /usr, all the
11 others live in /lib. In case of system emergency, it is
12 better not to have to rely on an extra filesystem.
13 Thanks to Bdale Garbee <bdale@gag.com> for the suggestion.
14
15 2. Fix compilation on (at least the Linux Debian port to) AMD64.
16 (<ext2fs/ext2_types.h> defines some types (__s64 and __u64)
17 that are also defined by <linux/types.h> (<asm/types.h>) and
18 they conflict).
19
20 3. Make dump's reading of the dumpdates file a bit more robust,
21 preventing dump from crashing when the dumpdates file has
22 been modified by hand.
23
24 4. Fixed some offset calculations in dump code which could
25 lead to "bread lseek errors" on large filesystems. Thanks
26 to Bruce Lowekamp <lowekamp@users.sourceforge.net> for
27 reporting this bug and debugging the issue.
28
29 5. Made dump use the blkid library when searching for devices
30 by label or uuid instead of dump's own routines.
31
32 Changes between versions 0.4b35 and 0.4b36 (released April 21, 2004)
33 ====================================================================
34
35 1. Fixed dump compilation with old gcc versions. Thanks to
36 Mike Castle <dalgoda@users.sourceforge.net> for the patch.
37
38 2. Fixed some warnings (howmany, roundup, powerof2 redefined)
39 when compiling against a recent glibc version.
40
41 3. Fixed a bug in restore preventing the read of a dump tape
42 written with Solaris 7 ufsdump. Thanks to Patrick Higgins
43 <phiggins@transzap.com> for reporting the bug and providing
44 the test case.
45
46 4. Changed dump to enable the creation of volumes of different
47 sizes in a single run (make -B accept a list of values).
48 Patch contributed by Florian Zumbiehl <florz@gmx.de>.
49
50 5. Use the glibc provided minor() and major() macros instead
51 of our own bitmask implementation. This should be safe for
52 when the major/minor namespace will migrate to 32 bits.
53 Thanks to Zhang Jun <zhangjun@nanjing-fnst.com> for reporting
54 the bug.
55
56 6. Made explicit in the dump man page that dump will not create
57 a remote file, it will only write to an already existing one.
58
59 7. Another try at making size estimates better again.
60
61 8. Put back the inconditional running of the end-of-tape
62 script which was changed in 0.434 to be run only when -M
63 or multiple -f were NOT specified. Some users rely on this
64 feature even when it is combined with -M/-f.
65
66 9. Fixed restore when restoring huge backups (where rstdir...
67 temporary files are over 2GB). Thanks to
68 Raphael Jaffey <rjaffey@artic.edu> for reporting this,
69 debugging the issue and making the patch.
70
71 10. Made restore understand FreeBSD UFS2 tapes. Thanks to
72 David <vrtin@users.sourceforge.net> for submitting the bug
73 and providing a test case.
74
75 11. Made dump work with an arbitrary integer level (no more 10
76 levels only limitation). Thanks to Matthew
77 <msvincen@midway.uchicago.edu> for the patch.
78
79 Changes between versions 0.4b34 and 0.4b35 (released December 21, 2003)
80 =======================================================================
81
82 1. Added a note in the dump man page saying that the default
83 blocksize can be 32 if -d is used with a high density argument.
84 Thanks to Antonios Christofides <A.Christofides@itia.ntua.gr>
85 for the patch.
86
87 2. Fixed configure to correctly understand CPPFLAGS, CFLAGS,
88 LDFLAGS environment variables. Thanks to Arcady Genkin
89 <antipode@users.sourceforge.net> for reporting the bug.
90
91 3. Made -e/-E options of dump accept an unlimited number of inodes
92 to be excluded, rather than a hardcoded maximum. Thanks to
93 Dietrich Rothe <d-rothe@users.sourceforge.net> for the patch.
94
95 4. Updated the autoconf system to 2.50. Forced the -D_BSD_SOURCE
96 and -D_USE_BSD_SIGNAL defines in configure in order to solve
97 64bit build problems because quad_t is redifined with a
98 different signature. Thanks to Mike Harris <mharris@redhat.com>
99 for reporting this bug.
100
101 5. Made restore build on Solaris, making possible to
102 restore Linux's "enhanced" tapes. Thanks to Uwe Gohlke
103 <uwe@ugsoft.de> for the patch.
104
105 6. Made an extension in the dump tape format capable of saving
106 MacOSX specific inode extensions. Uwe Gohlke <uwe@ugsoft.de>
107 wrote the extension and contributed the restore code back
108 into this codebase. The same extension mechanism will be
109 used in the future to save ACLs...
110
111 7. Made rmt work correctly with regard to QFA and local/remote
112 files and tapes. The remote access will however work only
113 when the dump provided rmt version is used. If you want to
114 use another rmt server, please do not use the QFA feature.
115 Thanks to Uwe Gohlke <uwe@ugsoft.de> for the patch.
116
117 Changes between versions 0.4b33 and 0.4b34 (released April 18, 2003)
118 ====================================================================
119
120 1. Fixed the INSTALL file to reflect the actual install paths.
121 Thanks to David Ronis <ronis@ronispc.chem.mcgill.ca> for
122 reporting the bug.
123
124 2. Fixed the configure script to only check for headers presence
125 instead of trying to compile them. This should fix issues
126 with old build environments. Thanks to Kari Lempiainen
127 <kari@funky.pp.fi> for reporting the bug.
128
129 3. Fixed restore to correctly ignore sockets when comparing
130 a dump (as socket cannot be properly restored anyway). Thanks
131 to Gunther Reiszig <gunther@mit.edu> for reporting the bug.
132
133 4. Fixed restore to correctly access the archive file (-A argument)
134 even when using a remote tape. Thanks to Fabrice Bellet
135 <fabrice@bellet.info> for reporting the bug.
136
137 5. Fixed (again) handling of long (largefile) seeks in rmt.
138 Thanks to Fabrice Bellet <fabrice@bellet.info> for reporting
139 the bug.
140
141 6. Fixed restore corner case when dealing with large block sizes
142 dump is able to write now (-b 1024). Thanks to Fabrice Bellet
143 <fabrice@bellet.info> for reporting the bug.
144
145 7. Fixed a bug preventing dump to access a filesystem having
146 a label exactly 16 bytes in length. Thanks to <minduni@ti-edu.ch>
147 for reporting the bug.
148
149 8. Made dump store dump dates using explicit timezones, fixing a
150 problem with incremental dumps if the timezone is modified
151 between the dumps. Thanks to Philippe Troin <phil@fifi.org> for
152 the bug report and the patch.
153
154 9. Fixed a bug encountered when dumping individual files (not full
155 filesystems or directories) and dangling symbolic links happen
156 to be in the list of files. For as far as dump is concerned,
157 dangling symbolic links are allowed, and are dumped as is.
158 Thanks to Jin-su Ahn <jsahn@ee.snu.ac.kr> for reporting the
159 bug and providing the fix.
160
161 10. Fixed open and creation modes and permissions for QFA and
162 table-of-contents files in dump and restore. Thanks to
163 Philippe Troin <phil@fifi.org> for the patch.
164
165 11. Fixed the archive file descriptor handling enabling it to be 0.
166 This can happen in some cases when shell redirections are used.
167 Thanks to Philippe Troin <phil@fifi.org> for the patch.
168
169 12. Delayed the opening of archive file until after suid had been
170 dropped (fixing a possible security issue if dump is suid).
171 Thanks to Philippe Troin <phil@fifi.org> for the patch.
172
173 13. Fixed the 'S' command handling in the rmt client part.
174 Thanks to Philippe Troin <phil@fifi.org> for the patch.
175
176 14. Modified the end-of-tape script handling to print out statistics
177 (and stop the timer) before launching the eot script. Also, the eot
178 script does not get run anymore when using -M (which makes sense) or
179 when multiple tapes are listed on the command line
180 (-f tape0,tape1,tapen) (which also makes sense).
181 Thanks to Philippe Troin <phil@fifi.org> for the patch.
182
183 15. Relicensed dump/restore under the 'revised' BSD license, as per
184 ftp://ftp.cs.berkeley.edu/ucb/4bsd/README.Impt.License.Change.
185
186 16. Added LZO compression to dump. This new compression method has
187 the advantage of being super fast, thus not killing tape streaming
188 on slow machines. Thanks to Helmut Jarausch
189 <jarausch@igpm.rwth-aachen.de> for the patch and to
190 Markus Oberhumer <markus@oberhumer.com> for giving special permission
191 to include his miniLZO project (GPL licensed) in dump/restore.
192
193 17. Some small buffer overruns fixes in rmt. Thanks to Antonomasia
194 <ant@notatla.demon.co.uk> for reporting the bugs.
195
196 18. Added a special rmt version which can do encryption when writing
197 to tape. Read examples/encrypted_rmt/README for details on
198 how to enable and configure it. Thanks to Ken Lalonde
199 <ken@globalremit.com> for the patch.
200
201 19. Made dump work with 2.5 kernel end of tape early warning semantics.
202 Thanks to Kai Makisara <Kai.Makisara@kolumbus.fi> for the patch.
203
204 20. Fixed a bug which caused dump -w|-W not to work anymore, because
205 the fs_freq and fs_passno fields in /etc/mtab are always set
206 to 0 0. Thanks to Trent Piepho <xyzzy@speakeasy.org> for
207 reporting the bug.
208
209 Changes between versions 0.4b32 and 0.4b33 (released February 10, 2003)
210 =======================================================================
211
212 1. Added a note in the restore man page clarifying the question
213 'set the permissions on the current directory ?' asked by
214 restore at the end of treatment in -i and -x modes.
215
216 2. Fixed the endianess issues when reading compressed tapes.
217 Thanks to Dark Force <daq4th@users.sourceforge.net> for
218 reporting this bug and providing test cases.
219
220 3. Fixed the "ACL won't be dumped" warning message (which showed
221 an extra, unrelated error message). Thanks to Dragan Krnic
222 <dkrnic@lycos.com> for reporting this bug.
223
224 4. Made dump look first into /etc/mtab, then into /etc/fstab
225 when searching for filesystem paths. Also fixed some problems
226 caused by binding mounts or multiple block device mounts.
227 Thanks to Matus Uhlar <uhlar@fantomas.sk>, Elliott Mitchell
228 <ehem@m5p.com>, Greg Edwards <gedwards@users.sourceforge.net>,
229 Brian Hoy <brian.hoy@opus.co.nz>. (fixes Debian bugs #147086
230 and #160305, Sourceforge bugs #618699 and #679832).
231
232 5. Made dump's -I option accept the value '0' meaning all the
233 read errors will be ignored. This can be useful when running
234 dump from unattended sessions (like cron jobs). Thanks to
235 John I Wang <jiwang@users.sourceforge.net> for the suggestion.
236
237 6. Fixed the output of dump to indicate 'blocks' instead of
238 'tape blocks' in the various messages (blocks are always
239 1 Kilobyte, tape blocks are 1 BK * '-b' argument), and
240 made it clearly print the current blocksize at the start of
241 a dump. Thanks to Michal Szymanski <msz@astrouw.edu.pl> for
242 the suggestions.
243
244 7. Made rmt understand long (largefiles) seeks.
245
246 8. Fixed build with very old versions of libext2fs, where
247 EXT2_FT_* constants were undefined.
248
249 9. Made dump accept the dumpdates path on the command line
250 (-D file option) instead of using only the hardcoded one.
251 Thanks to Piete Brooks <pb22@users.sourceforge.net> for the
252 suggestion.
253
254 10. Enabled rmt, LFS, readline, QFA options by default in
255 ./configure. Updated the configure process (new versions
256 of config.guess, config.sub etc).
257
258 Changes between versions 0.4b31 and 0.4b32 (released November 15, 2002)
259 =======================================================================
260
261 1. Changed dump to use fcntl(F_SETLK) style locking instead
262 of flock() when locking the dumpdates file. With the old
263 locking scheme, a local user having read rights on the
264 dumpdates file could be able to do a Denial of Service attack
265 on dump. In order to lock the dumpdates file with the new
266 scheme, the user would need to have write access on the file.
267 Thanks to Richard Johnson <Richard.Johnson3@ey.com> for
268 reporting the bug (originally a bugtraq post).
269
270 2. Fixed interactive 'ls' which caused spurious errors warnings
271 about 'undefined filetypes' detected. Thanks to Jorgen Ostling
272 <jorgen_ostling@users.sourceforge.net> for reporting this
273 bug.
274
275 3. Fixed dump's estimate when dealing with sparse inodes.
276
277 4. Modified dump to allow setting a blocksize bigger than 32kB
278 (raised the limit to 1024kB), because newer hardware needs
279 this for proper operation. Thanks to Dirk Traenapp
280 <dtraenapp@users.sourceforge.net> for reporting this.
281
282 5. Fixed a bug causing Dump to stop and report an error if an
283 inode number in the exclude file was followed by some amount
284 of whitespace. Thanks to Jeffrey Sofferin
285 <sofferin@users.sourceforge.net> for reporting this bug.
286
287 6. Fixed a bug which caused restore, in some particular cases,
288 to ask some 'scary' questions and leave a bunch of RSTTMP
289 directories behind when restoring incremental tapes. Thanks
290 to Philippe Troin <phil@fifi.org> for reporting this bug and
291 providing the test cases.
292
293 7. Changed the wording when inodes are excluded from dump:
294 replaced 'Added inode 7 to exclude list' with
295 'Excluding inode 7 (resize inode) from dump', as suggested
296 by Elliott Mitchell <ehem@m5p.com> in a Debian bug report.
297
298 Changes between versions 0.4b30 and 0.4b31 (released July 30, 2002)
299 ===================================================================
300
301 1. Fixed rmt open flags transmission (GNU's symbolic syntax over
302 rmt) which I broke in 0.4b29. Thanks to Eros Albertazzi
303 <eros@lamel.bo.cnr.it> for reporting the bug.
304
305 Changes between versions 0.4b29 and 0.4b30 (released July 25, 2002)
306 ===================================================================
307
308 1. Made dump print out the ext2 logical block number in case of a read
309 error, which can be given as an argument to debugfs' ncheck command,
310 in order to find out the affected inode. Added note about this
311 usage in dump's man page.
312
313 2. Fixed a problem in restore when reading tapes written on big
314 endian machines with very old versions of dump. The patch was
315 contributed by George Helffrich <george@geology.bristol.ac.uk>.
316
317 3. Fixed the tape length calculation when using large tapes
318 and compression. Thanks to Georg Lippold
319 <g_lippold@sourceforge.net> for reporting the bug.
320
321 4. Added a new set of examples in dump_on_cd_2 directory, based
322 on dump_on_cd examples but somewhat enhanced, supporting DVD
323 media, and localized in english and german. Thanks to
324 Georg Lippold <g_lippold@sourceforge.net> for the new scripts.
325
326 5. Made dump save 32 bit UID/GID. Internally, this was achieved
327 by switching from the old BSD inode format to the new BSD
328 inode format, which means that the tape format was changed.
329 However, since all restore versions out there should
330 transparently support both inode formats, the change should
331 have no side effects. Thanks to John Yu <jky@cs.bu.edu> for
332 reporting the bug.
333
334 6. Fixed a lot of warnings in the code shown when compiling
335 with 'gcc -W'. Thanks to Matthias Andree
336 <matthias.andree@stud.uni-dortmund.de> for reporting this.
337
338 7. Fixed a small markup bug in the dump man page. Thanks to
339 Eric S. Raymond <esr@minx.thyrsus.com> for submitting the
340 patch.
341
342 8. Rewrote entirely the man pages using the tmac.an macro
343 package (Linux man page format) instead of the original BSD
344 format. They should be now cleaner and easier to modify.
345
346 Changes between versions 0.4b28 and 0.4b29 (released June 8, 2002)
347 ==================================================================
348
349 1. Fixed a problem in the rmt ioctl command, where ioctl's issued from
350 non Linux clients were misinterpreted. The description of the problem
351 (incompatible numbering in Linux mtio opcodes) is documented at
352 ftp://ftp.fokus.gmd.de/pub/unix/star/README.mtio . Thanks to
353 Jörg Schilling <schilling@fokus.gmd.de> for reporting this bug and
354 providing an excellent, cross-platform replacement for rmt in his
355 star package.
356
357 2. Fixed a bug reported by Andy Mentges <amentges@jumpline.com>
358 which caused restore to fail when the inode maps were not entirely
359 contained on the first volume (when using really small volumes or
360 when dumping a huge number of inodes).
361
362 3. Fixed a problem in dump, where files in subdirectories of directories
363 that have the nodump flag set (or being excluded with -e/-E) were
364 sometimes incorrectly dumped (instead of being excluded). The original
365 fix is from David C Lawrence <tale@dd.org> in the FreeBSD version
366 of dump: http://www.FreeBSD.org/cgi/query-pr.cgi?pr=32414
367 Thanks to Ted Grzesik <tedgyz@roostme.com> for reporting the bug and
368 help testing the patch.
369
370 4. Added some example scripts from Gerd Bavendiek <bav@epost.de>
371 which makes one able to pipe the output of dump, by the net, to
372 a remote CD-burner server.
373
374 5. Made dump use O_CREAT|O_TRUNC both locally and remotely (over rmt),
375 and use GNU's symbolic syntax over rmt instead of numerical values
376 to assure multiple platform compatibility.
377
378 6. Documented the -d option in restore.
379
380 7. Added a -v (verbose) mode to dump. For now it just prints the number
381 of the inode being dumped, but this could evolve in future versions
382 to include interesting debugging output.
383
384 8. Added a -o flag to restore, which automatically restores the current
385 directory permissions in -i or -x mode, without asking the operator
386 whether to do so. Patch submitted by Tony Clayton <tonyc@e-smith.com>
387 and Peter Samuel <peters@e-smith.com>.
388
389 Changes between versions 0.4b27 and 0.4b28 (released April 12, 2002)
390 ====================================================================
391
392 1. Fixed a bug in the QFA feature which could have caused
393 a bad tape positionning on restore (causing extra delays in
394 restore). Credits go to Uwe Gohlke <uwe@ugsoft.de>.
395
396 2. Added a small note in the dump man page specifying that
397 there should be no white space between the option letter and
398 the -j or -z parameter, thanks to Kenneth Porter <shiva@well.com>
399
400 3. Made restore work with older versions of the readline library,
401 by checking in configure for several extended symbols. Restore
402 can now be compiled with a readline as old as the 2.0 release
403 (though it may be a good idea to upgrade it to a more recent
404 version...). Thanks to Andrew Donkin <ard@waikato.ac.nz> for
405 reporting the build failures.
406
407 4. Fixed a performance problem with the QFA file creation in
408 dump, which made unnecessary seeks on the tape slowing down
409 the dump. Thanks to Andrew Donkin <ard@waikato.ac.nz> for
410 reporting this issue.
411
412 5. Removed the inclusion of some kernel headers in the dump
413 source, which prevented the compile in some kernel/glibc
414 headers/architecture combination. Thanks to Bdale Garbee
415 <bdale@gag.com> for reporting the bug.
416
417 6. Added the appropriate error message when dump fails to
418 open the output file for writing. Thanks to Amith Varghese
419 <amithv@yahoo.com> for reporting this bug.
420
421 7. Made restore able to understand large Solaris ufsdump tapes
422 (containing inodes bigger than 4194304). Sun have introduced
423 an "extension" to the dump tape format when dealing with
424 those inodes, which was uncorrectly handled by Linux restore.
425 Thanks to Uwe Gohlke <uwe@ugsoft.de> for reporting the bug and
426 providing a test case.
427
428 8. Added the -m parameter to dump which optimises the output for
429 inodes having been changed but not modified since the last dump
430 ('changed' and 'modified' have the meaning defined in stat(2)).
431 For those inodes, dump will save only the metadata, instead of
432 saving the entire inode contents. Inodes which are either
433 directories or have been modified since the last dump are saved
434 in a regular way. Uses of this flag must be consistent, meaning
435 that either every dump in an incremental dump set have the flag,
436 or no one has it.
437
438 Changes between versions 0.4b26 and 0.4b27 (released February 15, 2002)
439 =======================================================================
440
441 1. Fixed behaviour of dump when exceeding resource limits
442 (SIGXFSZ treatment).
443
444 2. Added the -L flag to restore to allow the user to specify a
445 maximal allowed number of miscompares when using restore
446 with the -C option to check the backup.
447
448 3. Detailed the manual entry for the -N option of restore.
449
450 4. Added the -a flag to restore to make able doing unattended
451 restores in -i or -x mode (automatically walks through the
452 multiple dump volumes).
453
454 5. Extended the QFA mode to work with local files and/or
455 remote tapes and files. This way, restore can know in advance
456 the tape number and the offset for the inodes to extract and
457 can minimize the extraction time by seeking directly to the
458 good tape/offset.
459
460 6. Added the -A <archive> option to both dump and restore,
461 which makes dump to archive a dump table-of-contents in
462 the specified file to be used by restore to determine
463 whether a file is in the dump file that is being restored.
464 (the archive file syntax is also compatible with the
465 Solaris ufsdump generated one).
466
467 7. Small fix in restore making it able to read some (broken ?)
468 Solaris ufsdump tapes.
469
470 8. Fixed dump to correctly recognise the root filesystem when using
471 ext2 disk labels (LABEL=/). Thanks to John Yu <jky@it.bu.edu>
472 for reporting this bug.
473
474 9. Added the -P <file> option to restore to create a
475 Quick File Access file from an already made dump. Patch
476 contributed by Uwe Gohlke <uwe@ugsoft.de>.
477
478 10. Made restore compile and run on Solaris, making it a
479 possible replacement for the standard ufsrestore. Port was
480 contributed by Uwe Gohlke <uwe@ugsoft.de>.
481
482 Changes between versions 0.4b25 and 0.4b26 (released January 7, 2002)
483 =====================================================================
484
485 1. Added a set of backup scripts from Eugenio Diaz
486 <getnito@yahoo.com> in the examples section. It features
487 automatic (cron based) full and incremental dumping of
488 several filesystems on a separate filesystem.
489
490 2. Fixed a off-by-one miscalculation which disabled dumping
491 a one letter subdirectory. Thanks to Chris Siebenmann
492 <cks@utcc.utoronto.ca> for reporting the bug.
493
494 3. Fixed several restore bugs occuring when trying to
495 restore some missing files on the tape. Thanks to Chris
496 Siebenmann <cks@utcc.utoronto.ca> for reporting the bug.
497
498 4. Fixed --with-ldopts configure argument passing, installing from
499 a separate object directory, makefile cleanups contributed
500 by <splite@purdue.edu>.
501
502 5. Fix a bug which could caused, in some conditions, the highest
503 number inode of a filesystem, to not be dumped. Many thanks
504 to Chris Siebenmann <cks@utcc.utoronto.ca> for helping me
505 chase this bug.
506
507 Changes between versions 0.4b24 and 0.4b25 (released November 17, 2001)
508 =======================================================================
509
510 1. Added a mini howto from Patrick Walsh in the examples
511 directory.
512
513 2. Minor man pages syntax corrections. Thanks to
514 Chris Danis <screechco@home.com> for reporting the bugs.
515
516 3. Added a script from David B. Peterson <dave@toppledwagon.com>
517 to the examples section. It features dumping several
518 filesystems to a remote tape drive upon ssh.
519
520 4. Added a patch provided by Richard Jones <rich@annexia.org>
521 which allows BRADEMAX (number of read errors tolerated by
522 dump) to be adjusted using the -I option.
523
524 5. Fixed a bug which disabled doing "restore -C -f -". Thanks
525 to Clemens Stiglechner <a9401816@unet.univie.ac.at> for the
526 patch.
527
528 6. Add the -l option to restore to specify if, when doing a
529 remote restore, the file used to access the backup is a
530 regular file (the defaults being a tape drive). Restore needs
531 to know this information when reading a remote compressed
532 dump. Previously, this information was autodetected, but
533 the autodetection code fails (with ioctl: Inappropriate ioctl
534 for device) when using a non Linux remote box. Thanks to
535 many users and especially to Eros Albertazzi
536 <eros@lamel.bo.cnr.it> for reporting this.
537
538 7. Found a workaroung for the dump deadlock problem (3 childs
539 stuck in pause(), father in read()). The workaround seems
540 to work for me and several beta-testers. If it doesn't work
541 for you, please report back.
542
543 8. Updated the RPM spec file (BuildPrereq, URL etc).
544
545 Changes between versions 0.4b23 and 0.4b24 (released September 12, 2001)
546 ========================================================================
547
548 1. Fixed the permissions of a newly created QFA file by dump.
549
550 2. Cleaned up the source of dump (the external variables
551 definition was a complete mess, making possible to have
552 objects overlap).
553
554 3. Fixed restore to use the full tape volume path when doing
555 a compare (since it changes the working directory to the
556 filesystem being compared in the process).
557
558 4. Added the -q option to dump which makes dump abort
559 whenever it needs operator attention. It should be
560 easier to use dump in scripts with this option.
561
562 5. Detect the use of incompatible options to dump and
563 refuse them (like -a and -B options together).
564
565 6. Added bzip2 compression to dump/restore (use option -j level
566 to select it). Note that you will need a restore version
567 >= 0.4b24 in order to restore a bzip2 compressed dump.
568 The same warning as for the zlib compression applies:
569 the tape format of a bzip2 dump is not compatible with the
570 original BSD tape format.
571
572 7. Fixed a overflow problem in dump corrupting the dump when
573 very large files were encountered. Thanks to Vladimir Nadvornik
574 for the bug report.
575
576 8. Added a ioctl(BLKFLSBUF) in dump which should flush the
577 kernel buffer/page cache before starting the dump, helping
578 a bit those who use dump on mounted filesystems. Thanks to
579 John Yu <jky@it.bu.edu> and to Theodore T'so <tytso@mit.edu>
580 for this suggestion.
581
582 9. Updated the RPM spec file following the RedHat changes
583 (dynamically linked binaries now in /usr/sbin etc).
584
585 10. Added a patch from Helmut Jarausch <jarausch@igpm.rwth-aachen.de>
586 which enables restore to recognise multi volume compressed dumps
587 done on CD. Included his scripts for dump (which pipe the dump
588 output directly into cdrecord) and restore. There is now
589 possible to to backups to CD on the fly!
590
591 Changes between versions 0.4b22 and 0.4b23 (released July 20, 2001)
592 ===================================================================
593
594 1. Fixed a buffer overflow in restore/tape.c. Patch provided by
595 Marcus Meissner (Caldera International Security Dept.).
596
597 2. Implement the Sun rmt extended protocol. Patch submitted
598 by Ian Gordon <iangordon@users.sourceforge.net>.
599
600 3. Check for the e2fsprogs header <ext2fs/ext2_fs.h> instead of
601 the linux kernel header. This ensures that dump always has the
602 latest version of this file. Patch submitted by
603 Andreas Dilger <adilger@turbolinux.com>.
604
605 4. Report any filesystem present in either /etc/fstab with a
606 positive passno or /etc/dumpdates in dump -w output.
607 Patch submitted by Andreas Dilger <adilger@turbolinux.com>.
608
609 5. Fixed the looping problem in dump introduced in the
610 previous version.
611
612 6. Changed the -B option of dump to limit the size of
613 _compressed_ output per volume if compression is on.
614 Patch contributed by Helmut Jarausch
615 <jarausch@igpm.rwth-aachen.de>. Note however that, since
616 it is impossible to predict the size of the compressed
617 data before doing the compression, the -B limit is a bit
618 conservative.
619
620 7. Fixed a bug in reading the operator typed file/tape path for
621 the next volume in restore.
622
623 8. Implemented a "-F script" option to restore which permits the
624 user to specify a script which will be launched at the
625 beginning of each tape, useful for automatic programming of
626 tape changers for example. See the restore man page for the
627 script parameters and return codes.
628
629 9. Small fix for the QFA routines provided by Uwe Gohlke
630 <uwe@ugsoft.de>, and some recommendations for QFA uses in
631 the man pages.
632
633 10. Fixed the multivolume restoring where making a mistake
634 to the 'Mount next tape' prompt caused several blocks to
635 be lost.
636
637 11. Enhanced the -e option of dump to take as a parameter a
638 comma separated list of inode numbers.
639
640 12. Added the -E option to dump which specify a file containing
641 inode numbers to exclude from the dump.
642
643 13. Fixed the compressed multi-volume dump + restore.
644
645 Changes between versions 0.4b21 and 0.4b22 (released May 12, 2001)
646 ==================================================================
647
648 1. Made dump report the number of blocks dumped per volume.
649 Thanks to Kenneth Porter <shiva@well.com> for the suggestion.
650
651 2. Fix a bug in dump where waiting too much at the 'change volumes'
652 question caused the volume to be rewritten. Thanks to
653 Graham Reed <greed@users.sourceforge.net> for reporting the
654 bug and providing a patch.
655
656 3. Added a compression option to dump, contributed by Jerry
657 Peters <gapeters@worldnet.att.net>.
658
659 WARNING: the compression works only on files/pipes and
660 drives supporting variable block size.
661
662 WARNING2: tapes created using the compression feature are
663 incompatible with the standard dump tape format, and a
664 version of restore >= 0.4b22 will be needed for extraction.
665
666 4. Fixed some compilation problems for glibc 2.2.2 and 64 bit
667 architectures. Thanks to Paul Slootman <paul@debian.org> for
668 the patch and to Bdale Garbee <bdale@gag.com> for forwarding
669 it upstream.
670
671 5. Many cleanups (CPP defines, const char warnings, check of
672 ext2fs COMPAT flags, time_t cleanups, added libext2 version
673 in dump usage text) by Andreas Dilger <adilger@turbolinux.com>.
674
675 6. Made --prefix option work in configure. All the install path
676 are now based on the configure parameters.
677
678 7. Added the Quick File Access mode in dump/restore, contributed
679 by Uwe Gohlke <uwe@ugsoft.de>. In this mode, dump stores in
680 a file tape position for each inode, and this file is used by
681 restore (if called with parameter Q and the filename)
682 to directly position the tape at the file restore is currently
683 working on. This saves hours when restoring single files from
684 large backups, saves the tapes and the drive's head. Use
685 --enable-qfa option of configure to compile in the QFA support.
686
687 8. Added the possibility to dump several files and directories
688 in a single invocation of dump. Thanks to Uwe Gohlke
689 <uwe@ugsoft.de> for implementing this option.
690
691 9. Fixed the dumping and restoring of files with holes
692 (files ending with holes didn't get dumped or restored
693 correctly).
694
695 10. Fixed a socket descriptor leak in dump, which leaved opened
696 3 file descriptors per dump process (and there is one dump
697 process per tape).
698
699 11. Fixed dump large file system support, by explicit use of
700 open64/lseek64/etc functions (explicit use needed because
701 e2fsprogs libraries don't behave well when compiled with
702 FILE_OFFSET_BITS=64).
703
704 Changes between versions 0.4b20 and 0.4b21 (released January 13, 2001)
705 ======================================================================
706
707 1. Fixed some bugs in the dump -w|-W logic introduced by
708 the previous version. Thanks to Andreas Dilger
709 <adilger@turbolinux.com> for his help on this one.
710
711 2. Fixed again a compilation problem when using old e2fs
712 headers (filesystem label related). Thanks to many users
713 who reported this stupid error.
714
715 3. Fixed a build problem on old lib5 based systems dealing with
716 _PATH_MNTTAB being undefined. Thanks to John Adams
717 <johna@onevista.com> for reporting the bug.
718
719 4. Improved the error detection in restore when creating
720 the temporary files in TMPDIR. Now restore will corectly
721 report a 'no space left on device' error instead of
722 strange errors which could imply an archive corruption.
723 Thanks to Gabriel Somlo <somlo@cs.colostate.edu> and
724 bgjenero <bgjenero@sympatico.ca> for reporting the bug.
725
726 5. Added the throughput information in dump's progression
727 messages. Thanks to Andreas Dilger <adilger@turbolinux.com>
728 for the patch.
729
730 6. Use libext2fs's inode scanning routines, which are particularly
731 robust when dealing with errors (especially when having some
732 bad blocks on the filesystem). Many thanks to Colin
733 <colin@horizon.com> for reporting the bug, investigating
734 the issues, finding a workaround, writing the patch and
735 fully testing it... (of course, if this patch will break
736 anything, he is to blame for :-)).
737
738 7. Made dump and restore LFS aware. Dump can dump a filesystem
739 containing large files, generate a large file on output and
740 restore can restore them. This feature is not enabled by
741 default, use --enable-largefile option of configure to enable
742 it (you need to have a LFS aware glibc though). Thanks to
743 Andrea Arcangeli <andrea@suse.de> for submitting the patch,
744 and to Theodore T'so <tytso@valinux.com> for his always
745 useful thoughts.
746
747 8. Made dump ask upon a tape write error if it should rewrite
748 the current volume (assume this is a bad tape) or if it should
749 assume an end-of-tape condition (useful for tape drives which
750 behaves badly at the end of the tape). Thanks to Andreas
751 Dilger <adilger@turbolinux.com> for the suggestion.
752
753 Changes between versions 0.4b19 and 0.4b20 (released November 10, 2000)
754 =======================================================================
755
756 1. Fixed a small compilation problem due to a change
757 in the definintion of the struct sigaction in
758 glibc 2.0 / libc5. Thanks to Gunther Schlegel
759 <schlegel@riege.de> for reporting the bug and to
760 Dave Platt <dplatt@snulbug.mtview.ca.us> for suggesting
761 a fix.
762
763 2. Modified the label and uuid analysis in order to be
764 self-contained (independant of kernel/libc headers). This
765 should fix the compile with older kernel/libc headers and
766 will preserve the functionality. Thanks to Bernhard Erdmann
767 <bernhard.erdmann@gmx.de> for reporting the bug.
768
769 3. The 'exclude inode' option, if applied to a directory
770 inode, excludes now correctly all the leaves of this
771 directory. Thanks to John R. Dennison
772 <gerdesas@users.sourceforge.net> for reporting the bug.
773
774 4. Fixed the '-e' option to disable the possibility
775 to exclude the root inode (which causes the dumps to
776 be unreadable by restore). Prevented array overflow
777 when multiple -e options are used.
778
779 5. Fixed dump to correctly interpret a filesystem argument
780 which is a mountpoint and it is not an absolute path
781 (as specified in the fstab). Thanks to Bernhard R. Erdmann
782 <be@berdmann.de> for reporting the bug.
783
784 6. Made dump able to backup files larger than 2 GB. Note that
785 dump still doesn't cope with files larger than 4 GB.
786
787 7. Restore the real uid and gid before invoking an external
788 RSH program (big hole when dump or restore is suid root!).
789
790 8. Get the values for the default tape device and the location
791 of fstab file from the system headers. Thanks to
792 Andreas Dilger <adilger@turbolinux.com> for the patch.
793
794 9. Made dump -w|-W report all recognized filesystems
795 present in either /etc/fstab or /etc/dumpdates, and present
796 the list in the same order as in fstab file. Thanks
797 to Andreas Dilger <adilger@turbolinux.com> for the patch.
798
799 10. Made dump's -a (automatic end of tape detection) the
800 default. Specifying one of -B, -c, -d or -s options will
801 override the EOM detection. Thanks to Andreas Dilger
802 <adilger@turbolinux.com> for the patch.
803
804 11. Save the ext2 filesystem label into the dump volume label.
805 Specifying a volume label on the command line (-L option)
806 will override this feature. Thanks to Andreas Dilger
807 <adilger@turbolinux.com> for the patch.
808
809 Changes between versions 0.4b18 and 0.4b19 (released August 20, 2000)
810 =====================================================================
811
812 1. Fixed the signal handling in dump (which I broke in 0.4b17)
813 which was causing several strange dump failures (dump
814 hanged or segmentation faults etc).
815
816 2. Specified the default blocksize in the dump man page.
817
818 3. Changed two info messages of restore to be written on stdout
819 instead of stderr in order to leave stderr only for errors
820 or warnings. Thanks to Stephen Atwell
821 <satwell@urbana.css.mot.com> for the suggestion.
822
823 4. Corrected an off by one calculation which prevented
824 dumping a directory having a 1 character name length.
825 Thanks to Bernhard Erdmann <bernhard.erdmann@gmx.de>
826 for reporting the bug.
827
828 5. Reinforce dump in order to allow only level 0 and no
829 -u option when dumping a subdirectory, and document
830 this in the man page. Thanks to Bernhard Erdmann
831 <bernhard.erdmann@gmx.de> for reporting the bug.
832
833 6. Fixed a small harmless bug in restore which caused
834 in some conditions hard links to be restored several
835 times (therefore generation some warning messages).
836 Thanks to Kenneth Porter <shiva@well.com> for
837 reporting the bug.
838
839 7. Updated the RPM spec file to the latest RedHat version,
840 providing FHS packaging and other cosmetic changes.
841 You will need RPM version >= 3.0.5 in order to build the RPM.
842
843 8. Updated the configure script to check for libtermcap
844 before checking for libreadline, because we need this
845 library in order to compile the readline support.
846
847 9. Made dump understand the LABEL= and UUID= notation
848 both in /etc/fstab and on the command line. Note that
849 you will need the /proc filesystem in order to use
850 these notations. Thanks to Erik Troan <ewt@redhat.com>
851 for providing the patch.
852
853 Changes between versions 0.4b17 and 0.4b18 (released June 30, 2000)
854 ===================================================================
855
856 1. Fixed a potential buffer overflow in restore. Thanks
857 to Stan Bubrouski <satan@fastdial.net> for reporting
858 the bug.
859
860 2. Fixed a readline-related bug which prevented
861 'cat DUMPFILE | restore -i -f -' from working. Thanks
862 to Charles Karney <karney@users.sourceforge.net>
863 for the bug report.
864
865 3. Changed a few "panic" into "exit", causing restore to
866 be more stable against some attacks (like the last one
867 reported on Bugtraq, although the last version of restore
868 was not vulnerable - just dumped core). Thanks to
869 Andreas Hasenack <andreas@conectiva.com.br> for reporting
870 the bugs to me.
871
872 4. Removed the suid-root bit on dump and restore in the
873 default build (and generated RPMs). It should be safer
874 now. Users who need the suid-root capabilities in order
875 to make network backups should read first the man page
876 of dump and enable the suid bit manually.
877
878 5. Added -ltermcap to the compile parameters for restore
879 when using readline support, in order to make the compile
880 process work on some systems (SuSE ?). Thanks to
881 Patrik Schindler <poc@pocnet.net> for reporting the bug.
882
883 Changes between versions 0.4b16 and 0.4b17 (released June 1st, 2000)
884 ====================================================================
885
886 1. The -F script is called now *only* at the end of a tape,
887 not at the end of the dump. Thanks to Christian Haul
888 <haul@informatik.tu-darmstadt.de> for the bug report.
889
890 Normally, the device name and the current volume number
891 are passed on the command line of the script. However,
892 if you want the old style script (with no arguments
893 passed on the command line), you can enable it in
894 configure with the --enable-oldstylefscript.
895
896 2. Use posix signal handling to preserve dump functionality
897 with libc5. Thanks to Jeff Johnson <jbj@redhat.com> for
898 the patch.
899
900 3. Made the exit code of restore in case of a 'C'ompare
901 command reflect the result of the compare. An exit status
902 of 0 means the dump archive is correct, 1 means tape errors,
903 2 means that some files were modified. Thanks to Kenneth Porter
904 <shiva@well.com> for the suggestion.
905
906 4. Made (finally) quotes work in interactive restore.
907
908 5. Small fixes in order to allow dump to compile with a
909 really old e2fsprogs version. Thanks to Ian Zimmerman
910 <itz@speakeasy.org> for the bug report.
911
912 6. Add GNU readline capabilities to interactive restore.
913 Use configure's --enable-readline flag to enable this feature.
914 Thanks to Patrik Schindler <poc@pocnet.net> for the
915 suggestion.
916
917 7. Do the compare on the fly in restore 'C' mode (this will
918 allow not to exhaust the available /tmp space when
919 ccmparing large files). Thanks to Kenneth Porter
920 <shiva@well.com> for the suggestion.
921
922 Changes between versions 0.4b15 and 0.4b16 (released March 11, 2000)
923 ====================================================================
924
925 1. Fixed some several duplicate 'DUMP: DUMP:' in the
926 output of dump.
927
928 2. Corrected the estimation of blocks to dump. Note that
929 this is still wrong for large directory inodes, due
930 to the size of a BSD directory entry on the tape
931 (estimation is based on the size of the ext2 directory,
932 which is smaller because it doesn't contain the null
933 character at the end).
934
935 3. Made dump report the total number of MB written to
936 tape at the end of run. Thanks to W. Reilly Cooley
937 <wcooley@nakedape.cc> for the patch.
938
939 4. Added the -X option to restore giving the possibility
940 to read the names of the files to be extracted/listed
941 from a text file (in addition of the command line).
942 Thanks to Dejan Muhamedagic <dejan@quant-x.com> for the
943 patch.
944
945 5. Added the device name and the current volume number
946 as arguments to the end of tape script (dump -F option).
947
948 6. Made the multi-volume dump work again (after having
949 broken it in 0.4b15).
950
951 Changes between versions 0.4b14 and 0.4b15 (released March 2, 2000)
952 ===================================================================
953
954 1. Added a prompt command in interactive restore mode. Thanks
955 to Andreas Dilger <adilger@home.com> for the patch.
956
957 2. Fixed a buffer overflow problem in dump (caused by
958 not checking the size of the filesystem parameter).
959 Thanks to Kim Yong-jun <loveyou@hackerslab.org> for
960 reporting this on Bugtraq (and to several dump users
961 who forwarded me his mail).
962
963 3. Added the '-F script' option to dump in order to
964 launch a script at the end of each tape (to be used
965 with a tape changer, or to notify the sysadmin by
966 pager etc.).
967
968 4. Fixed a bug in restore compare code caused by the changes
969 I made in 0.4b14.
970
971 5. Fixed the treatment of options using the old BSD syntax
972 in both dump and restore.
973
974 Changes between versions 0.4b13 and 0.4b14 (released February 10, 2000)
975 =======================================================================
976
977 1. Fixed a bug in dump which may have caused invalid deleted
978 directories to be dumped out if they were deleted after the
979 mapping pass. This could occure on active filesystem and lead
980 to heap corruption (causing dump malfunction in many possible ways).
981 Thanks to Jan Sanislo <oystr@cs.washington.edu> for finding this
982 bug and submitting the patch.
983
984 2. Fixed the handling of the filesystem parameter in dump. A
985 '/mnt/disk' parameter caused the disk contents to be dumped,
986 but a '/mnt/disk/' parameter caused the mountpoint directory
987 to be dumped (generally an empty directory).
988
989 3. Improved the output of dump in order to tell which directory
990 it is currently dumping (when dumping a subtree).
991
992 4. Added the '-e' exclude inode option to dump. Thanks to
993 Isaac Chuang <ike@isl.stanford.edu> for contributing with the patch.
994
995 5. Added a REPORTING-BUGS file in order to provide a guide
996 on how to correctly report a bug in dump/restore.
997
998 6. Fixed a restore problem when restoring a hard link to an inode
999 having the immutable or append-only attribute set. Thanks to
1000 Ambrose Li <acli@mingpaoxpress.com> for submitting the patch.
1001
1002 7. Fixed a compatibility problem between dumps made on little
1003 endian machines (the format was correct) and big endian
1004 machines (the format was incorrect). This fix break the
1005 compatibility with the older dumps made on big endian
1006 machines (sparc, m86k, ppc etc). For the first time in
1007 linux dump's history (I believe), the dumps made by *BSD,
1008 Linux/alpha, Linux/sparc and Linux/x86 are compatible,
1009 so interchangeable. Thanks to Rob Cermak
1010 <cermak@ahab.rutgers.edu> for submitting the bug and
1011 helping me test the fix.
1012
1013 8. Fixed the way dump reports the remaining percent/time, if
1014 the number of blocks actually dumped exceeds the estimated
1015 number of blocks. Thanks to Jean-Paul van der Jagt
1016 <jeanpaul@dutepp0.et.tudelft.nl> for reporting the bug.
1017
1018 Changes between versions 0.4b12 and 0.4b13 (released January 21, 2000)
1019 ======================================================================
1020
1021 1. Small Y2K fix in the man pages :). Thanks to Bernhard Sadlowski
1022 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug.
1023
1024 2. Removed the requirement to build the RPM as root from the
1025 spec file. Thanks to Christian Weisgerber
1026 <naddy@mips.rhein-neckar.de> for submitting this.
1027
1028 3. Fixed a bug in dump related to the 'filetype' feature of ext2fs,
1029 causing dump to block when dumping really huge filesystems.
1030 Many thanks to Patrik Schindler <poc@pocnet.net> for
1031 helping me find this bug.
1032
1033 4. Fixed the treatment for an interrupt signal when dump access
1034 the remote tape through RSH. Thanks to Christian Weisgerber
1035 <naddy@mips.rhein-neckar.de> for providing the patch.
1036
1037 5. Fixed a bug which was causing dump/restore to display
1038 garbage characters instead of the remote host name.
1039
1040 Changes between versions 0.4b11 and 0.4b12 (released January 8, 2000)
1041 =====================================================================
1042
1043 1. Small fix in the dump man page. Thanks to Thorsten Kukuk
1044 <kukuk@suse.de> for submitting the patch.
1045
1046 2. Fix for the exit code when using the size estimate option of
1047 dump. Thanks to Matti Taskinen <mkt@rni.helsinki.fi> for
1048 submitting the patch.
1049
1050 3. Handle EINTR in atomical reads/writes in dump, which was causing
1051 dump to fail on some systems. Thanks to Eric Jergensen
1052 <eric@dvns.com> for reporting the bug and submitting the patch.
1053
1054 4. Handle more than 16 characters for the device names in dumpdates.
1055 (up to 255 now). Thanks to Rainer Clasen <bj@ncc.cicely.de> for
1056 tracking down the problem and proposing the solution.
1057
1058 5. Fixed a bug in dump which prevented the creation of the
1059 dumpdates file when doing a 0-level dump without already
1060 having a dumpdates file. Thanks to Patrik Schindler
1061 <poc@pocnet.net> for reporting the bug.
1062
1063 6. Changed the way dump 'S' flag reports the size estimate
1064 from number of blocks into bytes (making it compatible
1065 with the Solaris version, and simplifying things for
1066 amanda users). Thanks to Jason L Tibbitts III
1067 <tibbs@math.uh.edu> for reporting the bug.
1068
1069 7. Fixed a compatibility problem in linux/alpha dump tape format.
1070 Now the linux/alpha dump are (again) compatible with the
1071 other dump formats. But this breaks compatibility with
1072 older dumps made on alpha. Thanks to Mike Tibor
1073 <tibor@lib.uaa.alaska.edu> for helping me in finding this bug.
1074
1075 Changes between versions 0.4b10 and 0.4b11 (released December 5, 1999)
1076 ======================================================================
1077
1078 1. Added a '--enable-kerberos' to configure.
1079
1080 2. Added a 'S' option to dump which determines the amount of space
1081 that is needed to perform the dump without actually doing it, similar
1082 to the Sun's ufsdump 'S' option. Patch contributed by Rob Cermak
1083 <cermak@ahab.rutgers.edu>.
1084
1085 3. Added a 'M' multi-volume option to dump and restore which enables
1086 dumping to multiple files (useful when dumping to an ext2
1087 partition to make several dump files in order to bypass the 2GB
1088 file size limitation). The 'f' argument is treated as a prefix and
1089 the output files will be named <prefix>001, <prefix>002 etc. With
1090 the 'M' flag, restore automatically selects the right file without
1091 asking to enter a new tape each time.
1092
1093 4. Fixed a memory leak which was causing dump to grow very big
1094 (270MB when dumping a 10GB filesystem...). Thanks to Jason
1095 Fearon <jasonf@netrider.org.au> for reporting the bug.
1096
1097 Changes between versions 0.4b9 and 0.4b10 (released November 21, 1999)
1098 ======================================================================
1099
1100 1. Make configure test if the system glob routines support
1101 extended syntax (ALTDIRFUNC). If not, use the internal glob
1102 routines instead of system ones. Thanks to Bernhard Sadlowski
1103 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug
1104 and helping me resolve this and other minor libc5 compiling
1105 glitches.
1106
1107 2. Fix a problem when dumping a ext2fs with the 'filetype'
1108 feature enabled. Thanks to Patrick J. LoPresti
1109 <patl@cag.lcs.mit.edu> for reporting the bug and to
1110 Theodore Y. Ts'o <tytso@mit.edu> for providing the patch.
1111
1112 3. Made the nodump flag work on directories. A directory which
1113 has the nodump flag gets never dumped, regardless of its
1114 contents.
1115
1116 4. Integrate a patch from Jeremy Fitzhardinge <jeremy@goop.org>
1117 which allows dump on an active ext3 filesystem. However, this
1118 is a "quick and dirty" patch which enables backup of an ext3
1119 filesystem through the ext2 compatibility (by ignoring the
1120 NEEDS_RECOVERY bit). The journal file is not recognized and
1121 it is dumped (it should not).
1122
1123 5. Test the superblock compatibility flags when dumping, in order
1124 to be sure that we know how to deal with specific features.
1125
1126 Changes between versions 0.4b8 and 0.4b9 (released November 5, 1999)
1127 ====================================================================
1128
1129 1. Use lchown instead of chown, fixing a possible security problem
1130 when restoring symlinks (a malicious user could use this
1131 to deliberately corrupt the ownership of important system files).
1132 Thanks to Chris Siebenmann <cks@utcc.utoronto.ca> for detecting
1133 this and providing the patch.
1134
1135 Changes between versions 0.4b7 and 0.4b8 (released November 3, 1999)
1136 ====================================================================
1137
1138 1. Put dump sources under CVS, added Id tags in all files so
1139 one can use 'ident' on binary files.
1140
1141 2. Added the dump/restore version in the usage text so one can
1142 easily verify the version he is using.
1143
1144 3. Small patch from Nuno Oliveira <nuno@eq.uc.pt> which fixes
1145 a va_start/va_end problem on linux-ppc (always call va_start
1146 va_end in pairs each time we use a vararg function).
1147
1148 4. Added again the DT_* constants because old libc does not
1149 contain them :(. Thanks to Eric Maisonobe <virnet@nat.fr>
1150 for submitting the bug report.
1151
1152 5. Use ext2fs_llseek instead of llseek. With recent e2fsprogs
1153 this should enable dumping big (huge) filesystems.
1154
1155 6. Added the RSH environment variable in order to be able to
1156 use a rsh replacement like ssh when doing remote backups (and
1157 bypass the security limitations of rcmd). Now you can do remote
1158 backups without being root (or making dump setuid root).
1159
1160 7. Modified again the way dumpdates works. For incremental dumps,
1161 we need to read dumpdates even if we are not using 'u' option.
1162 Thanks to Bdale Garbee <bdale@gag.com> for his ideas on how
1163 this should work.
1164
1165 Changes between versions 0.4b6 and 0.4b7 (released October 8, 1999)
1166 ===================================================================
1167
1168 1. Removed the 'k' flag from the restore 'about' text if kerberos
1169 was not compiled in.
1170
1171 2. Prototyped (f)setflags from e2fsprogs and corrected the calls
1172 to them (fsetflags takes a char*, setflags an open fd!).
1173
1174 3. (f)setflags is called only if the flags aren't empty. If the
1175 file is a special file, a warning is printed, because changing
1176 flags implies opening the device. Normally, a special file
1177 should not have any flag... (Debian bug #29775, patch provided
1178 by Abhijit Dasgupta <abhijit@ans.net>).
1179
1180 4. Made possible to dump a file system not mentioned in /etc/fstab.
1181 (Debian bug #11904, patch provided by Eirik Fuller <eirik@netcom.com>).
1182
1183 5. Changed the default behaviour to not create dumpdates
1184 unless 'u' option is specified. Removed the old "debian-patch"
1185 which provided the same thing. (Debian bug #38136, #33818).
1186
1187 6. Removed all those dump*announce, since they were getting old...
1188
1189 7. Added warning messages if dumpdates does not exist and
1190 when an inferior level dump does not exist (except for a level 0
1191 dump).
1192
1193 8. Debugged the glob calls in interactive mode: restore used a
1194 dirent struct which was different from the /usr/include/dirent.h
1195 one (this used to work, is it a glibc2 change?), so none of the
1196 compat glob (which used /usr/include/dirent.h) or the system glob
1197 worked. Restore use now the system dirent (and the system
1198 DT_* constants), which are compatible with BSD ones.
1199
1200 9. Added a configure flag (--with-dumpdatespath) to specify
1201 the location of dumpdates file. By default, it is
1202 /etc/dumpdates.
1203
1204 10. Added the "AUTHOR" and "AVAILABILITY" sections and
1205 included the current date/version in man pages.
1206
1207 11. Corrected the estimation of remaining time when
1208 the operator doesn't change the tapes quickly enough. This
1209 was an old bug, I thought I corrected it, and discovered
1210 that in fact it was corrected in two different places, so
1211 the results canceled each other...
1212
1213 Changes between versions 0.4b5 and 0.4b6 (released October 1, 1999)
1214 ===================================================================
1215
1216 1. Integrated multiple patches from RedHat, Debian and SuSE:
1217
1218 - tweak dump/itime.c to not try to read dumpdates if the 'u' option
1219 isn't specified.
1220 - several fixes in the man pages.
1221 - update the default tape device to /dev/st0.
1222 - many updates for Linux Alpha (byte ordering, size_t etc).
1223 - buffer overruns.
1224 - use environment variable for TMPDIR (instead of /tmp).
1225 - use sigjmp_buf instead of jmp_buf (RedHat bug #3260).
1226 - workaround egcs bug (RedHat bugs #4281 and #2989).
1227 - wire $(OPT) throughout Makefile's.
1228
1229 2. Upgrade the dump revision to 1, making possible to dump filesystems
1230 made with e2fsprogs-1.15 or newer. Nothing seems to break...
1231
1232 3. Fix some compile warnings, prototype all functions.
1233
1234 4. Use glibc err/glob instead of internal compatibility
1235 routines (only if available).
1236
1237 5. Fix a compile error on Linux 2.2.7 / libc5 (5.4.44) (patch provided
1238 by Bernhard Sadlowski <sadlowsk@mathematik.uni-bielefeld.de>).
1239
1240 Changes between versions 0.4b4 and 0.4b5 (released September 22, 1999)
1241 ======================================================================
1242
1243 1. Integrated the changes from FreeBSD-3.1-RELEASE
1244 (mostly bug fixes, buffer overruns, dump has now an "automatic
1245 tape length calculation" flag, dump/restore can use kerberos now
1246 (this is NOT tested), use environment variables for TAPE and
1247 RMT etc.).
1248
1249 2. Integrated three RedHat patches ("glibc", "kernel" and "bread" patches)
1250
1251 3. Corrected a bug in restore when using 'C' option with multi-volumes
1252 tapes (files splited accros two tapes give "size changed" errors
1253 when comparing).
1254
1255 4. Corrected the long standing bug when dumping multiple tapes.
1256 This works for me, needs further testing.
1257
1258 Changes between versions 0.4b3 and 0.4b4 (released January 17, 1997)
1259 ====================================================================
1260
1261 1. Dump now runs correctly on kernels 2.1.x
1262 Fix made by Gerald Peters <gapeters@worldnet.att.net>
1263
1264 Changes between versions 0.4b2 and 0.4b3
1265 ========================================
1266
1267 1. Use realpath() if available
1268
1269 2. Report statistics
1270
1271 Changes between versions 0.4b1 and 0.4b2
1272 ========================================
1273
1274 1. Fixed the bug fix from Greg Lutz (I had made a mistake when integrating
1275 the patch)
1276
1277 2. Fixed restore to make it able to read FreeBSD 2.x dumps again
1278
1279 3. Fixed configure.in to correctly handle --enable-rmt
1280
1281 Changes between versions 0.3 and 0.4b1
1282 ======================================
1283
1284 1. Integrated the changes from 4.4BSD-Lite2
1285
1286 2. Integrated the patches from Debian and Red Hat
1287
1288 3. Portability changes: use the __u32, __u16, __s32, and __s16 types
1289
1290 4. Changed dump to use the Ext2fs library to get block addresses. This
1291 should solve the endianness problem on SparcLinux.
1292
1293 5. Created a configure.in file (shamelessly stolen from the e2fsprogs
1294 distribution's one) to use autoconf
1295
1296 6. Fixed a few minor bugs
1297
1298 Changes between versions 0.2e and 0.2f
1299 ======================================
1300
1301 1. Added the creation of named pipes (fifos) in restore.
1302
1303 2. Added the -N flag in the restore manual page.
1304
1305 3. Added the file kernel.patch which contains the llseek() optimization
1306 patch for 1.2.x kernels.
1307
1308 4. Fixed a bug in the restoration of symbolic links: owner and group were
1309 not restored.
1310
1311 5. Integrated some changes from FreeBSD 2.2.
1312
1313 6. Added a call to ftruncate() after restoring each file to restore
1314 correctly files ending by a hole.
1315
1316 Changes between versions 0.2d and 0.2e
1317 ======================================
1318
1319 1. Fixed a bug in the "set owner/mode" process. Every file was restored
1320 with owner = root (0) and group = root/wheel/whatever (0).
1321
1322 Changes between versions 0.2c and 0.2d
1323 ======================================
1324
1325 1. Dump is now able to backup 2GB+ filesystems.
1326
1327 2. Dump and restore can now be linked as static binaries.
1328
1329 Changes between versions 0.2b and 0.2c
1330 ======================================
1331
1332 1. Fixed a bug when dumping ``slow'' (i.e. normal) symbolic links.
1333
1334 Changes between versions 0.2a and 0.2b
1335 ======================================
1336
1337 1. Really fixed the bug that I should have corrected in 0.2a.
1338
1339 2. Enabled optimization again.
1340
1341 Changes between versions 0.2 and 0.2a
1342 =====================================
1343
1344 1. Disabled the optimization during compilation.
1345
1346 Changes between versions 0.1 and 0.2
1347 ====================================
1348
1349 1. Fixed a bug in fstab.c which caused a null pointer to be stored in
1350 the fs_type field (actually, I modified the file fstab.c to make it
1351 use the mntent functions).
1352
1353 2. Dump and restore now use a 4.3 BSD compatible dump format. Backups
1354 made by dump should be readable by the BSD restore and backups made
1355 by the BSD dump should be readable by restore. Unfortunately, this
1356 means that the dump format has changed between version 0.1 and version
1357 0.2 :-(
1358
1359 3. Dump is now able to backup a subtree, it is no longer limited to whole
1360 filesystems like the BSD version.
1361
1362 4. Dump now uses ext2_llseek() so it is able to backup filesystems bigger
1363 than 2 GB.
1364
1365 Changes between versions 0.0 and 0.1
1366 ====================================
1367
1368 1. Now create links rdump and rrestore during the `make install' step.
1369
1370 2. Linux port specific bugs added to the manual pages
1371
1372 3. Incorrect estimation of the number of tapes blocks fixed when doing
1373 incremental backups.
1374
1375 4. Better ls-like format in restore in interactive mode.