1 $Id: CHANGES,v 1.84 2000/09/26 13:17:42 stelian Exp $
3 Changes between versions 0.4b19 and 0.4b20 (released ???????????????)
4 =====================================================================
6 1. Fixed a small compilation problem due to a change
7 in the definintion of the struct sigaction in
8 glibc 2.0 / libc5. Thanks to Gunther Schlegel
9 <schlegel@riege.de> for reporting the bug and to
10 Dave Platt <dplatt@snulbug.mtview.ca.us> for suggesting
13 2. Modified the label and uuid analysis in order to be
14 self-contained (independant of kernel/libc headers). This
15 should fix the compile with older kernel/libc headers and
16 will preserve the functionality. Thanks to Bernhard Erdmann
17 <bernhard.erdmann@gmx.de> for reporting the bug.
19 3. The 'exclude inode' option, if applied to a directory
20 inode, excludes now correctly all the leaves of this
21 directory. Thanks to John R. Dennison
22 <gerdesas@users.sourceforge.net> for reporting the bug.
24 4. Fixed the '-e' option to disable the possibility
25 to exclude the root inode (which causes the dumps to
26 be unreadable by restore). Prevented array overflow
27 when multiple -e options are used.
29 5. Fixed dump to correctly interpret a filesystem argument
30 which is a mountpoint and it is not an absolute path
31 (as specified in the fstab). Thanks to Bernhard R. Erdmann
32 <be@berdmann.de> for reporting the bug.
34 6. Made dump able to backup files larger than 2 GB. Note that
35 dump still doesn't cope with files larger than 4 GB.
37 Changes between versions 0.4b18 and 0.4b19 (released August 20, 2000)
38 =====================================================================
40 1. Fixed the signal handling in dump (which I broke in 0.4b17)
41 which was causing several strange dump failures (dump
42 hanged or segmentation faults etc).
44 2. Specified the default blocksize in the dump man page.
46 3. Changed two info messages of restore to be written on stdout
47 instead of stderr in order to leave stderr only for errors
48 or warnings. Thanks to Stephen Atwell
49 <satwell@urbana.css.mot.com> for the suggestion.
51 4. Corrected an off by one calculation which prevented
52 dumping a directory having a 1 character name length.
53 Thanks to Bernhard Erdmann <bernhard.erdmann@gmx.de>
54 for reporting the bug.
56 5. Reinforce dump in order to allow only level 0 and no
57 -u option when dumping a subdirectory, and document
58 this in the man page. Thanks to Bernhard Erdmann
59 <bernhard.erdmann@gmx.de> for reporting the bug.
61 6. Fixed a small harmless bug in restore which caused
62 in some conditions hard links to be restored several
63 times (therefore generation some warning messages).
64 Thanks to Kenneth Porter <shiva@well.com> for
67 7. Updated the RPM spec file to the latest RedHat version,
68 providing FHS packaging and other cosmetic changes.
69 You will need RPM version >= 3.0.5 in order to build the RPM.
71 8. Updated the configure script to check for libtermcap
72 before checking for libreadline, because we need this
73 library in order to compile the readline support.
75 9. Made dump understand the LABEL= and UUID= notation
76 both in /etc/fstab and on the command line. Note that
77 you will need the /proc filesystem in order to use
78 these notations. Thanks to Erik Troan <ewt@redhat.com>
79 for providing the patch.
81 Changes between versions 0.4b17 and 0.4b18 (released June 30, 2000)
82 ===================================================================
84 1. Fixed a potential buffer overflow in restore. Thanks
85 to Stan Bubrouski <satan@fastdial.net> for reporting
88 2. Fixed a readline-related bug which prevented
89 'cat DUMPFILE | restore -i -f -' from working. Thanks
90 to Charles Karney <karney@users.sourceforge.net>
93 3. Changed a few "panic" into "exit", causing restore to
94 be more stable against some attacks (like the last one
95 reported on Bugtraq, although the last version of restore
96 was not vulnerable - just dumped core). Thanks to
97 Andreas Hasenack <andreas@conectiva.com.br> for reporting
100 4. Removed the suid-root bit on dump and restore in the
101 default build (and generated RPMs). It should be safer
102 now. Users who need the suid-root capabilities in order
103 to make network backups should read first the man page
104 of dump and enable the suid bit manually.
106 5. Added -ltermcap to the compile parameters for restore
107 when using readline support, in order to make the compile
108 process work on some systems (SuSE ?). Thanks to
109 Patrik Schindler <poc@pocnet.net> for reporting the bug.
111 Changes between versions 0.4b16 and 0.4b17 (released June 1st, 2000)
112 ====================================================================
114 1. The -F script is called now *only* at the end of a tape,
115 not at the end of the dump. Thanks to Christian Haul
116 <haul@informatik.tu-darmstadt.de> for the bug report.
118 Normally, the device name and the current volume number
119 are passed on the command line of the script. However,
120 if you want the old style script (with no arguments
121 passed on the command line), you can enable it in
122 configure with the --enable-oldstylefscript.
124 2. Use posix signal handling to preserve dump functionality
125 with libc5. Thanks to Jeff Johnson <jbj@redhat.com> for
128 3. Made the exit code of restore in case of a 'C'ompare
129 command reflect the result of the compare. An exit status
130 of 0 means the dump archive is correct, 1 means tape errors,
131 2 means that some files were modified. Thanks to Kenneth Porter
132 <shiva@well.com> for the suggestion.
134 4. Made (finally) quotes work in interactive restore.
136 5. Small fixes in order to allow dump to compile with a
137 really old e2fsprogs version. Thanks to Ian Zimmerman
138 <itz@speakeasy.org> for the bug report.
140 6. Add GNU readline capabilities to interactive restore.
141 Use configure's --enable-readline flag to enable this feature.
142 Thanks to Patrik Schindler <poc@pocnet.net> for the
145 7. Do the compare on the fly in restore 'C' mode (this will
146 allow not to exhaust the available /tmp space when
147 ccmparing large files). Thanks to Kenneth Porter
148 <shiva@well.com> for the suggestion.
150 Changes between versions 0.4b15 and 0.4b16 (released March 11, 2000)
151 ====================================================================
153 1. Fixed some several duplicate 'DUMP: DUMP:' in the
156 2. Corrected the estimation of blocks to dump. Note that
157 this is still wrong for large directory inodes, due
158 to the size of a BSD directory entry on the tape
159 (estimation is based on the size of the ext2 directory,
160 which is smaller because it doesn't contain the null
161 character at the end).
163 3. Made dump report the total number of MB written to
164 tape at the end of run. Thanks to W. Reilly Cooley
165 <wcooley@nakedape.cc> for the patch.
167 4. Added the -X option to restore giving the possibility
168 to read the names of the files to be extracted/listed
169 from a text file (in addition of the command line).
170 Thanks to Dejan Muhamedagic <dejan@quant-x.com> for the
173 5. Added the device name and the current volume number
174 as arguments to the end of tape script (dump -F option).
176 6. Made the multi-volume dump work again (after having
177 broken it in 0.4b15).
179 Changes between versions 0.4b14 and 0.4b15 (released March 2, 2000)
180 ===================================================================
182 1. Added a prompt command in interactive restore mode. Thanks
183 to Andreas Dilger <adilger@home.com> for the patch.
185 2. Fixed a buffer overflow problem in dump (caused by
186 not checking the size of the filesystem parameter).
187 Thanks to Kim Yong-jun <loveyou@hackerslab.org> for
188 reporting this on Bugtraq (and to several dump users
189 who forwarded me his mail).
191 3. Added the '-F script' option to dump in order to
192 launch a script at the end of each tape (to be used
193 with a tape changer, or to notify the sysadmin by
196 4. Fixed a bug in restore compare code caused by the changes
199 5. Fixed the treatment of options using the old BSD syntax
200 in both dump and restore.
202 Changes between versions 0.4b13 and 0.4b14 (released February 10, 2000)
203 =======================================================================
205 1. Fixed a bug in dump which may have caused invalid deleted
206 directories to be dumped out if they were deleted after the
207 mapping pass. This could occure on active filesystem and lead
208 to heap corruption (causing dump malfunction in many possible ways).
209 Thanks to Jan Sanislo <oystr@cs.washington.edu> for finding this
210 bug and submitting the patch.
212 2. Fixed the handling of the filesystem parameter in dump. A
213 '/mnt/disk' parameter caused the disk contents to be dumped,
214 but a '/mnt/disk/' parameter caused the mountpoint directory
215 to be dumped (generally an empty directory).
217 3. Improved the output of dump in order to tell which directory
218 it is currently dumping (when dumping a subtree).
220 4. Added the '-e' exclude inode option to dump. Thanks to
221 Isaac Chuang <ike@isl.stanford.edu> for contributing with the patch.
223 5. Added a REPORTING-BUGS file in order to provide a guide
224 on how to correctly report a bug in dump/restore.
226 6. Fixed a restore problem when restoring a hard link to an inode
227 having the immutable or append-only attribute set. Thanks to
228 Ambrose Li <acli@mingpaoxpress.com> for submitting the patch.
230 7. Fixed a compatibility problem between dumps made on little
231 endian machines (the format was correct) and big endian
232 machines (the format was incorrect). This fix break the
233 compatibility with the older dumps made on big endian
234 machines (sparc, m86k, ppc etc). For the first time in
235 linux dump's history (I believe), the dumps made by *BSD,
236 Linux/alpha, Linux/sparc and Linux/x86 are compatible,
237 so interchangeable. Thanks to Rob Cermak
238 <cermak@ahab.rutgers.edu> for submitting the bug and
239 helping me test the fix.
241 8. Fixed the way dump reports the remaining percent/time, if
242 the number of blocks actually dumped exceeds the estimated
243 number of blocks. Thanks to Jean-Paul van der Jagt
244 <jeanpaul@dutepp0.et.tudelft.nl> for reporting the bug.
246 Changes between versions 0.4b12 and 0.4b13 (released January 21, 2000)
247 ======================================================================
249 1. Small Y2K fix in the man pages :). Thanks to Bernhard Sadlowski
250 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug.
252 2. Removed the requirement to build the RPM as root from the
253 spec file. Thanks to Christian Weisgerber
254 <naddy@mips.rhein-neckar.de> for submitting this.
256 3. Fixed a bug in dump related to the 'filetype' feature of ext2fs,
257 causing dump to block when dumping really huge filesystems.
258 Many thanks to Patrik Schindler <poc@pocnet.net> for
259 helping me find this bug.
261 4. Fixed the treatment for an interrupt signal when dump access
262 the remote tape through RSH. Thanks to Christian Weisgerber
263 <naddy@mips.rhein-neckar.de> for providing the patch.
265 5. Fixed a bug which was causing dump/restore to display
266 garbage characters instead of the remote host name.
268 Changes between versions 0.4b11 and 0.4b12 (released January 8, 2000)
269 =====================================================================
271 1. Small fix in the dump man page. Thanks to Thorsten Kukuk
272 <kukuk@suse.de> for submitting the patch.
274 2. Fix for the exit code when using the size estimate option of
275 dump. Thanks to Matti Taskinen <mkt@rni.helsinki.fi> for
276 submitting the patch.
278 3. Handle EINTR in atomical reads/writes in dump, which was causing
279 dump to fail on some systems. Thanks to Eric Jergensen
280 <eric@dvns.com> for reporting the bug and submitting the patch.
282 4. Handle more than 16 characters for the device names in dumpdates.
283 (up to 255 now). Thanks to Rainer Clasen <bj@ncc.cicely.de> for
284 tracking down the problem and proposing the solution.
286 5. Fixed a bug in dump which prevented the creation of the
287 dumpdates file when doing a 0-level dump without already
288 having a dumpdates file. Thanks to Patrik Schindler
289 <poc@pocnet.net> for reporting the bug.
291 6. Changed the way dump 'S' flag reports the size estimate
292 from number of blocks into bytes (making it compatible
293 with the Solaris version, and simplifying things for
294 amanda users). Thanks to Jason L Tibbitts III
295 <tibbs@math.uh.edu> for reporting the bug.
297 7. Fixed a compatibility problem in linux/alpha dump tape format.
298 Now the linux/alpha dump are (again) compatible with the
299 other dump formats. But this breaks compatibility with
300 older dumps made on alpha. Thanks to Mike Tibor
301 <tibor@lib.uaa.alaska.edu> for helping me in finding this bug.
303 Changes between versions 0.4b10 and 0.4b11 (released December 5, 1999)
304 ======================================================================
306 1. Added a '--enable-kerberos' to configure.
308 2. Added a 'S' option to dump which determines the amount of space
309 that is needed to perform the dump without actually doing it, similar
310 to the Sun's ufsdump 'S' option. Patch contributed by Rob Cermak
311 <cermak@ahab.rutgers.edu>.
313 3. Added a 'M' multi-volume option to dump and restore which enables
314 dumping to multiple files (useful when dumping to an ext2
315 partition to make several dump files in order to bypass the 2GB
316 file size limitation). The 'f' argument is treated as a prefix and
317 the output files will be named <prefix>001, <prefix>002 etc. With
318 the 'M' flag, restore automatically selects the right file without
319 asking to enter a new tape each time.
321 4. Fixed a memory leak which was causing dump to grow very big
322 (270MB when dumping a 10GB filesystem...). Thanks to Jason
323 Fearon <jasonf@netrider.org.au> for reporting the bug.
325 Changes between versions 0.4b9 and 0.4b10 (released November 21, 1999)
326 ======================================================================
328 1. Make configure test if the system glob routines support
329 extended syntax (ALTDIRFUNC). If not, use the internal glob
330 routines instead of system ones. Thanks to Bernhard Sadlowski
331 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug
332 and helping me resolve this and other minor libc5 compiling
335 2. Fix a problem when dumping a ext2fs with the 'filetype'
336 feature enabled. Thanks to Patrick J. LoPresti
337 <patl@cag.lcs.mit.edu> for reporting the bug and to
338 Theodore Y. Ts'o <tytso@mit.edu> for providing the patch.
340 3. Made the nodump flag work on directories. A directory which
341 has the nodump flag gets never dumped, regardless of its
344 4. Integrate a patch from Jeremy Fitzhardinge <jeremy@goop.org>
345 which allows dump on an active ext3 filesystem. However, this
346 is a "quick and dirty" patch which enables backup of an ext3
347 filesystem through the ext2 compatibility (by ignoring the
348 NEEDS_RECOVERY bit). The journal file is not recognized and
349 it is dumped (it should not).
351 5. Test the superblock compatibility flags when dumping, in order
352 to be sure that we know how to deal with specific features.
354 Changes between versions 0.4b8 and 0.4b9 (released November 5, 1999)
355 ====================================================================
357 1. Use lchown instead of chown, fixing a possible security problem
358 when restoring symlinks (a malicious user could use this
359 to deliberately corrupt the ownership of important system files).
360 Thanks to Chris Siebenmann <cks@utcc.utoronto.ca> for detecting
361 this and providing the patch.
363 Changes between versions 0.4b7 and 0.4b8 (released November 3, 1999)
364 ====================================================================
366 1. Put dump sources under CVS, added Id tags in all files so
367 one can use 'ident' on binary files.
369 2. Added the dump/restore version in the usage text so one can
370 easily verify the version he is using.
372 3. Small patch from Nuno Oliveira <nuno@eq.uc.pt> which fixes
373 a va_start/va_end problem on linux-ppc (always call va_start
374 va_end in pairs each time we use a vararg function).
376 4. Added again the DT_* constants because old libc does not
377 contain them :(. Thanks to Eric Maisonobe <virnet@nat.fr>
378 for submitting the bug report.
380 5. Use ext2fs_llseek instead of llseek. With recent e2fsprogs
381 this should enable dumping big (huge) filesystems.
383 6. Added the RSH environment variable in order to be able to
384 use a rsh replacement like ssh when doing remote backups (and
385 bypass the security limitations of rcmd). Now you can do remote
386 backups without being root (or making dump setuid root).
388 7. Modified again the way dumpdates works. For incremental dumps,
389 we need to read dumpdates even if we are not using 'u' option.
390 Thanks to Bdale Garbee <bdale@gag.com> for his ideas on how
393 Changes between versions 0.4b6 and 0.4b7 (released October 8, 1999)
394 ===================================================================
396 1. Removed the 'k' flag from the restore 'about' text if kerberos
399 2. Prototyped (f)setflags from e2fsprogs and corrected the calls
400 to them (fsetflags takes a char*, setflags an open fd!).
402 3. (f)setflags is called only if the flags aren't empty. If the
403 file is a special file, a warning is printed, because changing
404 flags implies opening the device. Normally, a special file
405 should not have any flag... (Debian bug #29775, patch provided
406 by Abhijit Dasgupta <abhijit@ans.net>).
408 4. Made possible to dump a file system not mentioned in /etc/fstab.
409 (Debian bug #11904, patch provided by Eirik Fuller <eirik@netcom.com>).
411 5. Changed the default behaviour to not create dumpdates
412 unless 'u' option is specified. Removed the old "debian-patch"
413 which provided the same thing. (Debian bug #38136, #33818).
415 6. Removed all those dump*announce, since they were getting old...
417 7. Added warning messages if dumpdates does not exist and
418 when an inferior level dump does not exist (except for a level 0
421 8. Debugged the glob calls in interactive mode: restore used a
422 dirent struct which was different from the /usr/include/dirent.h
423 one (this used to work, is it a glibc2 change?), so none of the
424 compat glob (which used /usr/include/dirent.h) or the system glob
425 worked. Restore use now the system dirent (and the system
426 DT_* constants), which are compatible with BSD ones.
428 9. Added a configure flag (--with-dumpdatespath) to specify
429 the location of dumpdates file. By default, it is
432 10. Added the "AUTHOR" and "AVAILABILITY" sections and
433 included the current date/version in man pages.
435 11. Corrected the estimation of remaining time when
436 the operator doesn't change the tapes quickly enough. This
437 was an old bug, I thought I corrected it, and discovered
438 that in fact it was corrected in two different places, so
439 the results canceled each other...
441 Changes between versions 0.4b5 and 0.4b6 (released October 1, 1999)
442 ===================================================================
444 1. Integrated multiple patches from RedHat, Debian and SuSE:
446 - tweak dump/itime.c to not try to read dumpdates if the 'u' option
448 - several fixes in the man pages.
449 - update the default tape device to /dev/st0.
450 - many updates for Linux Alpha (byte ordering, size_t etc).
452 - use environment variable for TMPDIR (instead of /tmp).
453 - use sigjmp_buf instead of jmp_buf (RedHat bug #3260).
454 - workaround egcs bug (RedHat bugs #4281 and #2989).
455 - wire $(OPT) throughout Makefile's.
457 2. Upgrade the dump revision to 1, making possible to dump filesystems
458 made with e2fsprogs-1.15 or newer. Nothing seems to break...
460 3. Fix some compile warnings, prototype all functions.
462 4. Use glibc err/glob instead of internal compatibility
463 routines (only if available).
465 5. Fix a compile error on Linux 2.2.7 / libc5 (5.4.44) (patch provided
466 by Bernhard Sadlowski <sadlowsk@mathematik.uni-bielefeld.de>).
468 Changes between versions 0.4b4 and 0.4b5 (released September 22, 1999)
469 ======================================================================
471 1. Integrated the changes from FreeBSD-3.1-RELEASE
472 (mostly bug fixes, buffer overruns, dump has now an "automatic
473 tape length calculation" flag, dump/restore can use kerberos now
474 (this is NOT tested), use environment variables for TAPE and
477 2. Integrated three RedHat patches ("glibc", "kernel" and "bread" patches)
479 3. Corrected a bug in restore when using 'C' option with multi-volumes
480 tapes (files splited accros two tapes give "size changed" errors
483 4. Corrected the long standing bug when dumping multiple tapes.
484 This works for me, needs further testing.
486 Changes between versions 0.4b3 and 0.4b4 (released January 17, 1997)
487 ====================================================================
489 1. Dump now runs correctly on kernels 2.1.x
490 Fix made by Gerald Peters <gapeters@worldnet.att.net>
492 Changes between versions 0.4b2 and 0.4b3
493 ========================================
495 1. Use realpath() if available
499 Changes between versions 0.4b1 and 0.4b2
500 ========================================
502 1. Fixed the bug fix from Greg Lutz (I had made a mistake when integrating
505 2. Fixed restore to make it able to read FreeBSD 2.x dumps again
507 3. Fixed configure.in to correctly handle --enable-rmt
509 Changes between versions 0.3 and 0.4b1
510 ======================================
512 1. Integrated the changes from 4.4BSD-Lite2
514 2. Integrated the patches from Debian and Red Hat
516 3. Portability changes: use the __u32, __u16, __s32, and __s16 types
518 4. Changed dump to use the Ext2fs library to get block addresses. This
519 should solve the endianness problem on SparcLinux.
521 5. Created a configure.in file (shamelessly stolen from the e2fsprogs
522 distribution's one) to use autoconf
524 6. Fixed a few minor bugs
526 Changes between versions 0.2e and 0.2f
527 ======================================
529 1. Added the creation of named pipes (fifos) in restore.
531 2. Added the -N flag in the restore manual page.
533 3. Added the file kernel.patch which contains the llseek() optimization
534 patch for 1.2.x kernels.
536 4. Fixed a bug in the restoration of symbolic links: owner and group were
539 5. Integrated some changes from FreeBSD 2.2.
541 6. Added a call to ftruncate() after restoring each file to restore
542 correctly files ending by a hole.
544 Changes between versions 0.2d and 0.2e
545 ======================================
547 1. Fixed a bug in the "set owner/mode" process. Every file was restored
548 with owner = root (0) and group = root/wheel/whatever (0).
550 Changes between versions 0.2c and 0.2d
551 ======================================
553 1. Dump is now able to backup 2GB+ filesystems.
555 2. Dump and restore can now be linked as static binaries.
557 Changes between versions 0.2b and 0.2c
558 ======================================
560 1. Fixed a bug when dumping ``slow'' (i.e. normal) symbolic links.
562 Changes between versions 0.2a and 0.2b
563 ======================================
565 1. Really fixed the bug that I should have corrected in 0.2a.
567 2. Enabled optimization again.
569 Changes between versions 0.2 and 0.2a
570 =====================================
572 1. Disabled the optimization during compilation.
574 Changes between versions 0.1 and 0.2
575 ====================================
577 1. Fixed a bug in fstab.c which caused a null pointer to be stored in
578 the fs_type field (actually, I modified the file fstab.c to make it
579 use the mntent functions).
581 2. Dump and restore now use a 4.3 BSD compatible dump format. Backups
582 made by dump should be readable by the BSD restore and backups made
583 by the BSD dump should be readable by restore. Unfortunately, this
584 means that the dump format has changed between version 0.1 and version
587 3. Dump is now able to backup a subtree, it is no longer limited to whole
588 filesystems like the BSD version.
590 4. Dump now uses ext2_llseek() so it is able to backup filesystems bigger
593 Changes between versions 0.0 and 0.1
594 ====================================
596 1. Now create links rdump and rrestore during the `make install' step.
598 2. Linux port specific bugs added to the manual pages
600 3. Incorrect estimation of the number of tapes blocks fixed when doing
603 4. Better ls-like format in restore in interactive mode.