1 $Id: CHANGES,v 1.74 2000/08/20 15:17:36 stelian Exp $
3 Changes between versions 0.4b17 and 0.4b19 (released ?????????????)
4 ===================================================================
6 1. Fixed the signal handling in dump (which I broke in 0.4b17)
7 which was causing several strange dump failures (dump
8 hanged or segmentation faults etc).
10 2. Specified the default blocksize in the dump man page.
12 3. Changed two info messages of restore to be written on stdout
13 instead of stderr in order to leave stderr only for errors
14 or warnings. Thanks to Stephen Atwell
15 <satwell@urbana.css.mot.com> for the suggestion.
17 4. Corrected an off by one calculation which prevented
18 dumping a directory having a 1 character name length.
19 Thanks to Bernhard Erdmann <bernhard.erdmann@gmx.de>
20 for reporting the bug.
22 5. Reinforce dump in order to allow only level 0 and no
23 -u option when dumping a subdirectory, and document
24 this in the man page. Thanks to Bernhard Erdmann
25 <bernhard.erdmann@gmx.de> for reporting the bug.
27 6. Fixed a small harmless bug in restore which caused
28 in some conditions hard links to be restored several
29 times (therefore generation some warning messages).
30 Thanks to Kenneth Porter <shiva@well.com> for
33 Changes between versions 0.4b17 and 0.4b18 (released June 30, 2000)
34 ===================================================================
36 1. Fixed a potential buffer overflow in restore. Thanks
37 to Stan Bubrouski <satan@fastdial.net> for reporting
40 2. Fixed a readline-related bug which prevented
41 'cat DUMPFILE | restore -i -f -' from working. Thanks
42 to Charles Karney <karney@users.sourceforge.net>
45 3. Changed a few "panic" into "exit", causing restore to
46 be more stable against some attacks (like the last one
47 reported on Bugtraq, although the last version of restore
48 was not vulnerable - just dumped core). Thanks to
49 Andreas Hasenack <andreas@conectiva.com.br> for reporting
52 4. Removed the suid-root bit on dump and restore in the
53 default build (and generated RPMs). It should be safer
54 now. Users who need the suid-root capabilities in order
55 to make network backups should read first the man page
56 of dump and enable the suid bit manually.
58 5. Added -ltermcap to the compile parameters for restore
59 when using readline support, in order to make the compile
60 process work on some systems (SuSE ?). Thanks to
61 Patrik Schindler <poc@pocnet.net> for reporting the bug.
63 Changes between versions 0.4b16 and 0.4b17 (released June 1st, 2000)
64 ====================================================================
66 1. The -F script is called now *only* at the end of a tape,
67 not at the end of the dump. Thanks to Christian Haul
68 <haul@informatik.tu-darmstadt.de> for the bug report.
70 Normally, the device name and the current volume number
71 are passed on the command line of the script. However,
72 if you want the old style script (with no arguments
73 passed on the command line), you can enable it in
74 configure with the --enable-oldstylefscript.
76 2. Use posix signal handling to preserve dump functionality
77 with libc5. Thanks to Jeff Johnson <jbj@redhat.com> for
80 3. Made the exit code of restore in case of a 'C'ompare
81 command reflect the result of the compare. An exit status
82 of 0 means the dump archive is correct, 1 means tape errors,
83 2 means that some files were modified. Thanks to Kenneth Porter
84 <shiva@well.com> for the suggestion.
86 4. Made (finally) quotes work in interactive restore.
88 5. Small fixes in order to allow dump to compile with a
89 really old e2fsprogs version. Thanks to Ian Zimmerman
90 <itz@speakeasy.org> for the bug report.
92 6. Add GNU readline capabilities to interactive restore.
93 Use configure's --enable-readline flag to enable this feature.
94 Thanks to Patrik Schindler <poc@pocnet.net> for the
97 7. Do the compare on the fly in restore 'C' mode (this will
98 allow not to exhaust the available /tmp space when
99 ccmparing large files). Thanks to Kenneth Porter
100 <shiva@well.com> for the suggestion.
102 Changes between versions 0.4b15 and 0.4b16 (released March 11, 2000)
103 ====================================================================
105 1. Fixed some several duplicate 'DUMP: DUMP:' in the
108 2. Corrected the estimation of blocks to dump. Note that
109 this is still wrong for large directory inodes, due
110 to the size of a BSD directory entry on the tape
111 (estimation is based on the size of the ext2 directory,
112 which is smaller because it doesn't contain the null
113 character at the end).
115 3. Made dump report the total number of MB written to
116 tape at the end of run. Thanks to W. Reilly Cooley
117 <wcooley@nakedape.cc> for the patch.
119 4. Added the -X option to restore giving the possibility
120 to read the names of the files to be extracted/listed
121 from a text file (in addition of the command line).
122 Thanks to Dejan Muhamedagic <dejan@quant-x.com> for the
125 5. Added the device name and the current volume number
126 as arguments to the end of tape script (dump -F option).
128 6. Made the multi-volume dump work again (after having
129 broken it in 0.4b15).
131 Changes between versions 0.4b14 and 0.4b15 (released March 2, 2000)
132 ===================================================================
134 1. Added a prompt command in interactive restore mode. Thanks
135 to Andreas Dilger <adilger@home.com> for the patch.
137 2. Fixed a buffer overflow problem in dump (caused by
138 not checking the size of the filesystem parameter).
139 Thanks to Kim Yong-jun <loveyou@hackerslab.org> for
140 reporting this on Bugtraq (and to several dump users
141 who forwarded me his mail).
143 3. Added the '-F script' option to dump in order to
144 launch a script at the end of each tape (to be used
145 with a tape changer, or to notify the sysadmin by
148 4. Fixed a bug in restore compare code caused by the changes
151 5. Fixed the treatment of options using the old BSD syntax
152 in both dump and restore.
154 Changes between versions 0.4b13 and 0.4b14 (released February 10, 2000)
155 =======================================================================
157 1. Fixed a bug in dump which may have caused invalid deleted
158 directories to be dumped out if they were deleted after the
159 mapping pass. This could occure on active filesystem and lead
160 to heap corruption (causing dump malfunction in many possible ways).
161 Thanks to Jan Sanislo <oystr@cs.washington.edu> for finding this
162 bug and submitting the patch.
164 2. Fixed the handling of the filesystem parameter in dump. A
165 '/mnt/disk' parameter caused the disk contents to be dumped,
166 but a '/mnt/disk/' parameter caused the mountpoint directory
167 to be dumped (generally an empty directory).
169 3. Improved the output of dump in order to tell which directory
170 it is currently dumping (when dumping a subtree).
172 4. Added the '-e' exclude inode option to dump. Thanks to
173 Isaac Chuang <ike@isl.stanford.edu> for contributing with the patch.
175 5. Added a REPORTING-BUGS file in order to provide a guide
176 on how to correctly report a bug in dump/restore.
178 6. Fixed a restore problem when restoring a hard link to an inode
179 having the immutable or append-only attribute set. Thanks to
180 Ambrose Li <acli@mingpaoxpress.com> for submitting the patch.
182 7. Fixed a compatibility problem between dumps made on little
183 endian machines (the format was correct) and big endian
184 machines (the format was incorrect). This fix break the
185 compatibility with the older dumps made on big endian
186 machines (sparc, m86k, ppc etc). For the first time in
187 linux dump's history (I believe), the dumps made by *BSD,
188 Linux/alpha, Linux/sparc and Linux/x86 are compatible,
189 so interchangeable. Thanks to Rob Cermak
190 <cermak@ahab.rutgers.edu> for submitting the bug and
191 helping me test the fix.
193 8. Fixed the way dump reports the remaining percent/time, if
194 the number of blocks actually dumped exceeds the estimated
195 number of blocks. Thanks to Jean-Paul van der Jagt
196 <jeanpaul@dutepp0.et.tudelft.nl> for reporting the bug.
198 Changes between versions 0.4b12 and 0.4b13 (released January 21, 2000)
199 ======================================================================
201 1. Small Y2K fix in the man pages :). Thanks to Bernhard Sadlowski
202 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug.
204 2. Removed the requirement to build the RPM as root from the
205 spec file. Thanks to Christian Weisgerber
206 <naddy@mips.rhein-neckar.de> for submitting this.
208 3. Fixed a bug in dump related to the 'filetype' feature of ext2fs,
209 causing dump to block when dumping really huge filesystems.
210 Many thanks to Patrik Schindler <poc@pocnet.net> for
211 helping me find this bug.
213 4. Fixed the treatment for an interrupt signal when dump access
214 the remote tape through RSH. Thanks to Christian Weisgerber
215 <naddy@mips.rhein-neckar.de> for providing the patch.
217 5. Fixed a bug which was causing dump/restore to display
218 garbage characters instead of the remote host name.
220 Changes between versions 0.4b11 and 0.4b12 (released January 8, 2000)
221 =====================================================================
223 1. Small fix in the dump man page. Thanks to Thorsten Kukuk
224 <kukuk@suse.de> for submitting the patch.
226 2. Fix for the exit code when using the size estimate option of
227 dump. Thanks to Matti Taskinen <mkt@rni.helsinki.fi> for
228 submitting the patch.
230 3. Handle EINTR in atomical reads/writes in dump, which was causing
231 dump to fail on some systems. Thanks to Eric Jergensen
232 <eric@dvns.com> for reporting the bug and submitting the patch.
234 4. Handle more than 16 characters for the device names in dumpdates.
235 (up to 255 now). Thanks to Rainer Clasen <bj@ncc.cicely.de> for
236 tracking down the problem and proposing the solution.
238 5. Fixed a bug in dump which prevented the creation of the
239 dumpdates file when doing a 0-level dump without already
240 having a dumpdates file. Thanks to Patrik Schindler
241 <poc@pocnet.net> for reporting the bug.
243 6. Changed the way dump 'S' flag reports the size estimate
244 from number of blocks into bytes (making it compatible
245 with the Solaris version, and simplifying things for
246 amanda users). Thanks to Jason L Tibbitts III
247 <tibbs@math.uh.edu> for reporting the bug.
249 7. Fixed a compatibility problem in linux/alpha dump tape format.
250 Now the linux/alpha dump are (again) compatible with the
251 other dump formats. But this breaks compatibility with
252 older dumps made on alpha. Thanks to Mike Tibor
253 <tibor@lib.uaa.alaska.edu> for helping me in finding this bug.
255 Changes between versions 0.4b10 and 0.4b11 (released December 5, 1999)
256 ======================================================================
258 1. Added a '--enable-kerberos' to configure.
260 2. Added a 'S' option to dump which determines the amount of space
261 that is needed to perform the dump without actually doing it, similar
262 to the Sun's ufsdump 'S' option. Patch contributed by Rob Cermak
263 <cermak@ahab.rutgers.edu>.
265 3. Added a 'M' multi-volume option to dump and restore which enables
266 dumping to multiple files (useful when dumping to an ext2
267 partition to make several dump files in order to bypass the 2GB
268 file size limitation). The 'f' argument is treated as a prefix and
269 the output files will be named <prefix>001, <prefix>002 etc. With
270 the 'M' flag, restore automatically selects the right file without
271 asking to enter a new tape each time.
273 4. Fixed a memory leak which was causing dump to grow very big
274 (270MB when dumping a 10GB filesystem...). Thanks to Jason
275 Fearon <jasonf@netrider.org.au> for reporting the bug.
277 Changes between versions 0.4b9 and 0.4b10 (released November 21, 1999)
278 ======================================================================
280 1. Make configure test if the system glob routines support
281 extended syntax (ALTDIRFUNC). If not, use the internal glob
282 routines instead of system ones. Thanks to Bernhard Sadlowski
283 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug
284 and helping me resolve this and other minor libc5 compiling
287 2. Fix a problem when dumping a ext2fs with the 'filetype'
288 feature enabled. Thanks to Patrick J. LoPresti
289 <patl@cag.lcs.mit.edu> for reporting the bug and to
290 Theodore Y. Ts'o <tytso@mit.edu> for providing the patch.
292 3. Made the nodump flag work on directories. A directory which
293 has the nodump flag gets never dumped, regardless of its
296 4. Integrate a patch from Jeremy Fitzhardinge <jeremy@goop.org>
297 which allows dump on an active ext3 filesystem. However, this
298 is a "quick and dirty" patch which enables backup of an ext3
299 filesystem through the ext2 compatibility (by ignoring the
300 NEEDS_RECOVERY bit). The journal file is not recognized and
301 it is dumped (it should not).
303 5. Test the superblock compatibility flags when dumping, in order
304 to be sure that we know how to deal with specific features.
306 Changes between versions 0.4b8 and 0.4b9 (released November 5, 1999)
307 ====================================================================
309 1. Use lchown instead of chown, fixing a possible security problem
310 when restoring symlinks (a malicious user could use this
311 to deliberately corrupt the ownership of important system files).
312 Thanks to Chris Siebenmann <cks@utcc.utoronto.ca> for detecting
313 this and providing the patch.
315 Changes between versions 0.4b7 and 0.4b8 (released November 3, 1999)
316 ====================================================================
318 1. Put dump sources under CVS, added Id tags in all files so
319 one can use 'ident' on binary files.
321 2. Added the dump/restore version in the usage text so one can
322 easily verify the version he is using.
324 3. Small patch from Nuno Oliveira <nuno@eq.uc.pt> which fixes
325 a va_start/va_end problem on linux-ppc (always call va_start
326 va_end in pairs each time we use a vararg function).
328 4. Added again the DT_* constants because old libc does not
329 contain them :(. Thanks to Eric Maisonobe <virnet@nat.fr>
330 for submitting the bug report.
332 5. Use ext2fs_llseek instead of llseek. With recent e2fsprogs
333 this should enable dumping big (huge) filesystems.
335 6. Added the RSH environment variable in order to be able to
336 use a rsh replacement like ssh when doing remote backups (and
337 bypass the security limitations of rcmd). Now you can do remote
338 backups without being root (or making dump setuid root).
340 7. Modified again the way dumpdates works. For incremental dumps,
341 we need to read dumpdates even if we are not using 'u' option.
342 Thanks to Bdale Garbee <bdale@gag.com> for his ideas on how
345 Changes between versions 0.4b6 and 0.4b7 (released October 8, 1999)
346 ===================================================================
348 1. Removed the 'k' flag from the restore 'about' text if kerberos
351 2. Prototyped (f)setflags from e2fsprogs and corrected the calls
352 to them (fsetflags takes a char*, setflags an open fd!).
354 3. (f)setflags is called only if the flags aren't empty. If the
355 file is a special file, a warning is printed, because changing
356 flags implies opening the device. Normally, a special file
357 should not have any flag... (Debian bug #29775, patch provided
358 by Abhijit Dasgupta <abhijit@ans.net>).
360 4. Made possible to dump a file system not mentioned in /etc/fstab.
361 (Debian bug #11904, patch provided by Eirik Fuller <eirik@netcom.com>).
363 5. Changed the default behaviour to not create dumpdates
364 unless 'u' option is specified. Removed the old "debian-patch"
365 which provided the same thing. (Debian bug #38136, #33818).
367 6. Removed all those dump*announce, since they were getting old...
369 7. Added warning messages if dumpdates does not exist and
370 when an inferior level dump does not exist (except for a level 0
373 8. Debugged the glob calls in interactive mode: restore used a
374 dirent struct which was different from the /usr/include/dirent.h
375 one (this used to work, is it a glibc2 change?), so none of the
376 compat glob (which used /usr/include/dirent.h) or the system glob
377 worked. Restore use now the system dirent (and the system
378 DT_* constants), which are compatible with BSD ones.
380 9. Added a configure flag (--with-dumpdatespath) to specify
381 the location of dumpdates file. By default, it is
384 10. Added the "AUTHOR" and "AVAILABILITY" sections and
385 included the current date/version in man pages.
387 11. Corrected the estimation of remaining time when
388 the operator doesn't change the tapes quickly enough. This
389 was an old bug, I thought I corrected it, and discovered
390 that in fact it was corrected in two different places, so
391 the results canceled each other...
393 Changes between versions 0.4b5 and 0.4b6 (released October 1, 1999)
394 ===================================================================
396 1. Integrated multiple patches from RedHat, Debian and SuSE:
398 - tweak dump/itime.c to not try to read dumpdates if the 'u' option
400 - several fixes in the man pages.
401 - update the default tape device to /dev/st0.
402 - many updates for Linux Alpha (byte ordering, size_t etc).
404 - use environment variable for TMPDIR (instead of /tmp).
405 - use sigjmp_buf instead of jmp_buf (RedHat bug #3260).
406 - workaround egcs bug (RedHat bugs #4281 and #2989).
407 - wire $(OPT) throughout Makefile's.
409 2. Upgrade the dump revision to 1, making possible to dump filesystems
410 made with e2fsprogs-1.15 or newer. Nothing seems to break...
412 3. Fix some compile warnings, prototype all functions.
414 4. Use glibc err/glob instead of internal compatibility
415 routines (only if available).
417 5. Fix a compile error on Linux 2.2.7 / libc5 (5.4.44) (patch provided
418 by Bernhard Sadlowski <sadlowsk@mathematik.uni-bielefeld.de>).
420 Changes between versions 0.4b4 and 0.4b5 (released September 22, 1999)
421 ======================================================================
423 1. Integrated the changes from FreeBSD-3.1-RELEASE
424 (mostly bug fixes, buffer overruns, dump has now an "automatic
425 tape length calculation" flag, dump/restore can use kerberos now
426 (this is NOT tested), use environment variables for TAPE and
429 2. Integrated three RedHat patches ("glibc", "kernel" and "bread" patches)
431 3. Corrected a bug in restore when using 'C' option with multi-volumes
432 tapes (files splited accros two tapes give "size changed" errors
435 4. Corrected the long standing bug when dumping multiple tapes.
436 This works for me, needs further testing.
438 Changes between versions 0.4b3 and 0.4b4 (released January 17, 1997)
439 ====================================================================
441 1. Dump now runs correctly on kernels 2.1.x
442 Fix made by Gerald Peters <gapeters@worldnet.att.net>
444 Changes between versions 0.4b2 and 0.4b3
445 ========================================
447 1. Use realpath() if available
451 Changes between versions 0.4b1 and 0.4b2
452 ========================================
454 1. Fixed the bug fix from Greg Lutz (I had made a mistake when integrating
457 2. Fixed restore to make it able to read FreeBSD 2.x dumps again
459 3. Fixed configure.in to correctly handle --enable-rmt
461 Changes between versions 0.3 and 0.4b1
462 ======================================
464 1. Integrated the changes from 4.4BSD-Lite2
466 2. Integrated the patches from Debian and Red Hat
468 3. Portability changes: use the __u32, __u16, __s32, and __s16 types
470 4. Changed dump to use the Ext2fs library to get block addresses. This
471 should solve the endianness problem on SparcLinux.
473 5. Created a configure.in file (shamelessly stolen from the e2fsprogs
474 distribution's one) to use autoconf
476 6. Fixed a few minor bugs
478 Changes between versions 0.2e and 0.2f
479 ======================================
481 1. Added the creation of named pipes (fifos) in restore.
483 2. Added the -N flag in the restore manual page.
485 3. Added the file kernel.patch which contains the llseek() optimization
486 patch for 1.2.x kernels.
488 4. Fixed a bug in the restoration of symbolic links: owner and group were
491 5. Integrated some changes from FreeBSD 2.2.
493 6. Added a call to ftruncate() after restoring each file to restore
494 correctly files ending by a hole.
496 Changes between versions 0.2d and 0.2e
497 ======================================
499 1. Fixed a bug in the "set owner/mode" process. Every file was restored
500 with owner = root (0) and group = root/wheel/whatever (0).
502 Changes between versions 0.2c and 0.2d
503 ======================================
505 1. Dump is now able to backup 2GB+ filesystems.
507 2. Dump and restore can now be linked as static binaries.
509 Changes between versions 0.2b and 0.2c
510 ======================================
512 1. Fixed a bug when dumping ``slow'' (i.e. normal) symbolic links.
514 Changes between versions 0.2a and 0.2b
515 ======================================
517 1. Really fixed the bug that I should have corrected in 0.2a.
519 2. Enabled optimization again.
521 Changes between versions 0.2 and 0.2a
522 =====================================
524 1. Disabled the optimization during compilation.
526 Changes between versions 0.1 and 0.2
527 ====================================
529 1. Fixed a bug in fstab.c which caused a null pointer to be stored in
530 the fs_type field (actually, I modified the file fstab.c to make it
531 use the mntent functions).
533 2. Dump and restore now use a 4.3 BSD compatible dump format. Backups
534 made by dump should be readable by the BSD restore and backups made
535 by the BSD dump should be readable by restore. Unfortunately, this
536 means that the dump format has changed between version 0.1 and version
539 3. Dump is now able to backup a subtree, it is no longer limited to whole
540 filesystems like the BSD version.
542 4. Dump now uses ext2_llseek() so it is able to backup filesystems bigger
545 Changes between versions 0.0 and 0.1
546 ====================================
548 1. Now create links rdump and rrestore during the `make install' step.
550 2. Linux port specific bugs added to the manual pages
552 3. Incorrect estimation of the number of tapes blocks fixed when doing
555 4. Better ls-like format in restore in interactive mode.