1 $Id: CHANGES,v 1.85 2000/11/03 18:28:58 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 7. Restore the real uid and gid before invoking an external
38 RSH program (big hole when dump or restore is suid root!).
40 Changes between versions 0.4b18 and 0.4b19 (released August 20, 2000)
41 =====================================================================
43 1. Fixed the signal handling in dump (which I broke in 0.4b17)
44 which was causing several strange dump failures (dump
45 hanged or segmentation faults etc).
47 2. Specified the default blocksize in the dump man page.
49 3. Changed two info messages of restore to be written on stdout
50 instead of stderr in order to leave stderr only for errors
51 or warnings. Thanks to Stephen Atwell
52 <satwell@urbana.css.mot.com> for the suggestion.
54 4. Corrected an off by one calculation which prevented
55 dumping a directory having a 1 character name length.
56 Thanks to Bernhard Erdmann <bernhard.erdmann@gmx.de>
57 for reporting the bug.
59 5. Reinforce dump in order to allow only level 0 and no
60 -u option when dumping a subdirectory, and document
61 this in the man page. Thanks to Bernhard Erdmann
62 <bernhard.erdmann@gmx.de> for reporting the bug.
64 6. Fixed a small harmless bug in restore which caused
65 in some conditions hard links to be restored several
66 times (therefore generation some warning messages).
67 Thanks to Kenneth Porter <shiva@well.com> for
70 7. Updated the RPM spec file to the latest RedHat version,
71 providing FHS packaging and other cosmetic changes.
72 You will need RPM version >= 3.0.5 in order to build the RPM.
74 8. Updated the configure script to check for libtermcap
75 before checking for libreadline, because we need this
76 library in order to compile the readline support.
78 9. Made dump understand the LABEL= and UUID= notation
79 both in /etc/fstab and on the command line. Note that
80 you will need the /proc filesystem in order to use
81 these notations. Thanks to Erik Troan <ewt@redhat.com>
82 for providing the patch.
84 Changes between versions 0.4b17 and 0.4b18 (released June 30, 2000)
85 ===================================================================
87 1. Fixed a potential buffer overflow in restore. Thanks
88 to Stan Bubrouski <satan@fastdial.net> for reporting
91 2. Fixed a readline-related bug which prevented
92 'cat DUMPFILE | restore -i -f -' from working. Thanks
93 to Charles Karney <karney@users.sourceforge.net>
96 3. Changed a few "panic" into "exit", causing restore to
97 be more stable against some attacks (like the last one
98 reported on Bugtraq, although the last version of restore
99 was not vulnerable - just dumped core). Thanks to
100 Andreas Hasenack <andreas@conectiva.com.br> for reporting
103 4. Removed the suid-root bit on dump and restore in the
104 default build (and generated RPMs). It should be safer
105 now. Users who need the suid-root capabilities in order
106 to make network backups should read first the man page
107 of dump and enable the suid bit manually.
109 5. Added -ltermcap to the compile parameters for restore
110 when using readline support, in order to make the compile
111 process work on some systems (SuSE ?). Thanks to
112 Patrik Schindler <poc@pocnet.net> for reporting the bug.
114 Changes between versions 0.4b16 and 0.4b17 (released June 1st, 2000)
115 ====================================================================
117 1. The -F script is called now *only* at the end of a tape,
118 not at the end of the dump. Thanks to Christian Haul
119 <haul@informatik.tu-darmstadt.de> for the bug report.
121 Normally, the device name and the current volume number
122 are passed on the command line of the script. However,
123 if you want the old style script (with no arguments
124 passed on the command line), you can enable it in
125 configure with the --enable-oldstylefscript.
127 2. Use posix signal handling to preserve dump functionality
128 with libc5. Thanks to Jeff Johnson <jbj@redhat.com> for
131 3. Made the exit code of restore in case of a 'C'ompare
132 command reflect the result of the compare. An exit status
133 of 0 means the dump archive is correct, 1 means tape errors,
134 2 means that some files were modified. Thanks to Kenneth Porter
135 <shiva@well.com> for the suggestion.
137 4. Made (finally) quotes work in interactive restore.
139 5. Small fixes in order to allow dump to compile with a
140 really old e2fsprogs version. Thanks to Ian Zimmerman
141 <itz@speakeasy.org> for the bug report.
143 6. Add GNU readline capabilities to interactive restore.
144 Use configure's --enable-readline flag to enable this feature.
145 Thanks to Patrik Schindler <poc@pocnet.net> for the
148 7. Do the compare on the fly in restore 'C' mode (this will
149 allow not to exhaust the available /tmp space when
150 ccmparing large files). Thanks to Kenneth Porter
151 <shiva@well.com> for the suggestion.
153 Changes between versions 0.4b15 and 0.4b16 (released March 11, 2000)
154 ====================================================================
156 1. Fixed some several duplicate 'DUMP: DUMP:' in the
159 2. Corrected the estimation of blocks to dump. Note that
160 this is still wrong for large directory inodes, due
161 to the size of a BSD directory entry on the tape
162 (estimation is based on the size of the ext2 directory,
163 which is smaller because it doesn't contain the null
164 character at the end).
166 3. Made dump report the total number of MB written to
167 tape at the end of run. Thanks to W. Reilly Cooley
168 <wcooley@nakedape.cc> for the patch.
170 4. Added the -X option to restore giving the possibility
171 to read the names of the files to be extracted/listed
172 from a text file (in addition of the command line).
173 Thanks to Dejan Muhamedagic <dejan@quant-x.com> for the
176 5. Added the device name and the current volume number
177 as arguments to the end of tape script (dump -F option).
179 6. Made the multi-volume dump work again (after having
180 broken it in 0.4b15).
182 Changes between versions 0.4b14 and 0.4b15 (released March 2, 2000)
183 ===================================================================
185 1. Added a prompt command in interactive restore mode. Thanks
186 to Andreas Dilger <adilger@home.com> for the patch.
188 2. Fixed a buffer overflow problem in dump (caused by
189 not checking the size of the filesystem parameter).
190 Thanks to Kim Yong-jun <loveyou@hackerslab.org> for
191 reporting this on Bugtraq (and to several dump users
192 who forwarded me his mail).
194 3. Added the '-F script' option to dump in order to
195 launch a script at the end of each tape (to be used
196 with a tape changer, or to notify the sysadmin by
199 4. Fixed a bug in restore compare code caused by the changes
202 5. Fixed the treatment of options using the old BSD syntax
203 in both dump and restore.
205 Changes between versions 0.4b13 and 0.4b14 (released February 10, 2000)
206 =======================================================================
208 1. Fixed a bug in dump which may have caused invalid deleted
209 directories to be dumped out if they were deleted after the
210 mapping pass. This could occure on active filesystem and lead
211 to heap corruption (causing dump malfunction in many possible ways).
212 Thanks to Jan Sanislo <oystr@cs.washington.edu> for finding this
213 bug and submitting the patch.
215 2. Fixed the handling of the filesystem parameter in dump. A
216 '/mnt/disk' parameter caused the disk contents to be dumped,
217 but a '/mnt/disk/' parameter caused the mountpoint directory
218 to be dumped (generally an empty directory).
220 3. Improved the output of dump in order to tell which directory
221 it is currently dumping (when dumping a subtree).
223 4. Added the '-e' exclude inode option to dump. Thanks to
224 Isaac Chuang <ike@isl.stanford.edu> for contributing with the patch.
226 5. Added a REPORTING-BUGS file in order to provide a guide
227 on how to correctly report a bug in dump/restore.
229 6. Fixed a restore problem when restoring a hard link to an inode
230 having the immutable or append-only attribute set. Thanks to
231 Ambrose Li <acli@mingpaoxpress.com> for submitting the patch.
233 7. Fixed a compatibility problem between dumps made on little
234 endian machines (the format was correct) and big endian
235 machines (the format was incorrect). This fix break the
236 compatibility with the older dumps made on big endian
237 machines (sparc, m86k, ppc etc). For the first time in
238 linux dump's history (I believe), the dumps made by *BSD,
239 Linux/alpha, Linux/sparc and Linux/x86 are compatible,
240 so interchangeable. Thanks to Rob Cermak
241 <cermak@ahab.rutgers.edu> for submitting the bug and
242 helping me test the fix.
244 8. Fixed the way dump reports the remaining percent/time, if
245 the number of blocks actually dumped exceeds the estimated
246 number of blocks. Thanks to Jean-Paul van der Jagt
247 <jeanpaul@dutepp0.et.tudelft.nl> for reporting the bug.
249 Changes between versions 0.4b12 and 0.4b13 (released January 21, 2000)
250 ======================================================================
252 1. Small Y2K fix in the man pages :). Thanks to Bernhard Sadlowski
253 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug.
255 2. Removed the requirement to build the RPM as root from the
256 spec file. Thanks to Christian Weisgerber
257 <naddy@mips.rhein-neckar.de> for submitting this.
259 3. Fixed a bug in dump related to the 'filetype' feature of ext2fs,
260 causing dump to block when dumping really huge filesystems.
261 Many thanks to Patrik Schindler <poc@pocnet.net> for
262 helping me find this bug.
264 4. Fixed the treatment for an interrupt signal when dump access
265 the remote tape through RSH. Thanks to Christian Weisgerber
266 <naddy@mips.rhein-neckar.de> for providing the patch.
268 5. Fixed a bug which was causing dump/restore to display
269 garbage characters instead of the remote host name.
271 Changes between versions 0.4b11 and 0.4b12 (released January 8, 2000)
272 =====================================================================
274 1. Small fix in the dump man page. Thanks to Thorsten Kukuk
275 <kukuk@suse.de> for submitting the patch.
277 2. Fix for the exit code when using the size estimate option of
278 dump. Thanks to Matti Taskinen <mkt@rni.helsinki.fi> for
279 submitting the patch.
281 3. Handle EINTR in atomical reads/writes in dump, which was causing
282 dump to fail on some systems. Thanks to Eric Jergensen
283 <eric@dvns.com> for reporting the bug and submitting the patch.
285 4. Handle more than 16 characters for the device names in dumpdates.
286 (up to 255 now). Thanks to Rainer Clasen <bj@ncc.cicely.de> for
287 tracking down the problem and proposing the solution.
289 5. Fixed a bug in dump which prevented the creation of the
290 dumpdates file when doing a 0-level dump without already
291 having a dumpdates file. Thanks to Patrik Schindler
292 <poc@pocnet.net> for reporting the bug.
294 6. Changed the way dump 'S' flag reports the size estimate
295 from number of blocks into bytes (making it compatible
296 with the Solaris version, and simplifying things for
297 amanda users). Thanks to Jason L Tibbitts III
298 <tibbs@math.uh.edu> for reporting the bug.
300 7. Fixed a compatibility problem in linux/alpha dump tape format.
301 Now the linux/alpha dump are (again) compatible with the
302 other dump formats. But this breaks compatibility with
303 older dumps made on alpha. Thanks to Mike Tibor
304 <tibor@lib.uaa.alaska.edu> for helping me in finding this bug.
306 Changes between versions 0.4b10 and 0.4b11 (released December 5, 1999)
307 ======================================================================
309 1. Added a '--enable-kerberos' to configure.
311 2. Added a 'S' option to dump which determines the amount of space
312 that is needed to perform the dump without actually doing it, similar
313 to the Sun's ufsdump 'S' option. Patch contributed by Rob Cermak
314 <cermak@ahab.rutgers.edu>.
316 3. Added a 'M' multi-volume option to dump and restore which enables
317 dumping to multiple files (useful when dumping to an ext2
318 partition to make several dump files in order to bypass the 2GB
319 file size limitation). The 'f' argument is treated as a prefix and
320 the output files will be named <prefix>001, <prefix>002 etc. With
321 the 'M' flag, restore automatically selects the right file without
322 asking to enter a new tape each time.
324 4. Fixed a memory leak which was causing dump to grow very big
325 (270MB when dumping a 10GB filesystem...). Thanks to Jason
326 Fearon <jasonf@netrider.org.au> for reporting the bug.
328 Changes between versions 0.4b9 and 0.4b10 (released November 21, 1999)
329 ======================================================================
331 1. Make configure test if the system glob routines support
332 extended syntax (ALTDIRFUNC). If not, use the internal glob
333 routines instead of system ones. Thanks to Bernhard Sadlowski
334 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug
335 and helping me resolve this and other minor libc5 compiling
338 2. Fix a problem when dumping a ext2fs with the 'filetype'
339 feature enabled. Thanks to Patrick J. LoPresti
340 <patl@cag.lcs.mit.edu> for reporting the bug and to
341 Theodore Y. Ts'o <tytso@mit.edu> for providing the patch.
343 3. Made the nodump flag work on directories. A directory which
344 has the nodump flag gets never dumped, regardless of its
347 4. Integrate a patch from Jeremy Fitzhardinge <jeremy@goop.org>
348 which allows dump on an active ext3 filesystem. However, this
349 is a "quick and dirty" patch which enables backup of an ext3
350 filesystem through the ext2 compatibility (by ignoring the
351 NEEDS_RECOVERY bit). The journal file is not recognized and
352 it is dumped (it should not).
354 5. Test the superblock compatibility flags when dumping, in order
355 to be sure that we know how to deal with specific features.
357 Changes between versions 0.4b8 and 0.4b9 (released November 5, 1999)
358 ====================================================================
360 1. Use lchown instead of chown, fixing a possible security problem
361 when restoring symlinks (a malicious user could use this
362 to deliberately corrupt the ownership of important system files).
363 Thanks to Chris Siebenmann <cks@utcc.utoronto.ca> for detecting
364 this and providing the patch.
366 Changes between versions 0.4b7 and 0.4b8 (released November 3, 1999)
367 ====================================================================
369 1. Put dump sources under CVS, added Id tags in all files so
370 one can use 'ident' on binary files.
372 2. Added the dump/restore version in the usage text so one can
373 easily verify the version he is using.
375 3. Small patch from Nuno Oliveira <nuno@eq.uc.pt> which fixes
376 a va_start/va_end problem on linux-ppc (always call va_start
377 va_end in pairs each time we use a vararg function).
379 4. Added again the DT_* constants because old libc does not
380 contain them :(. Thanks to Eric Maisonobe <virnet@nat.fr>
381 for submitting the bug report.
383 5. Use ext2fs_llseek instead of llseek. With recent e2fsprogs
384 this should enable dumping big (huge) filesystems.
386 6. Added the RSH environment variable in order to be able to
387 use a rsh replacement like ssh when doing remote backups (and
388 bypass the security limitations of rcmd). Now you can do remote
389 backups without being root (or making dump setuid root).
391 7. Modified again the way dumpdates works. For incremental dumps,
392 we need to read dumpdates even if we are not using 'u' option.
393 Thanks to Bdale Garbee <bdale@gag.com> for his ideas on how
396 Changes between versions 0.4b6 and 0.4b7 (released October 8, 1999)
397 ===================================================================
399 1. Removed the 'k' flag from the restore 'about' text if kerberos
402 2. Prototyped (f)setflags from e2fsprogs and corrected the calls
403 to them (fsetflags takes a char*, setflags an open fd!).
405 3. (f)setflags is called only if the flags aren't empty. If the
406 file is a special file, a warning is printed, because changing
407 flags implies opening the device. Normally, a special file
408 should not have any flag... (Debian bug #29775, patch provided
409 by Abhijit Dasgupta <abhijit@ans.net>).
411 4. Made possible to dump a file system not mentioned in /etc/fstab.
412 (Debian bug #11904, patch provided by Eirik Fuller <eirik@netcom.com>).
414 5. Changed the default behaviour to not create dumpdates
415 unless 'u' option is specified. Removed the old "debian-patch"
416 which provided the same thing. (Debian bug #38136, #33818).
418 6. Removed all those dump*announce, since they were getting old...
420 7. Added warning messages if dumpdates does not exist and
421 when an inferior level dump does not exist (except for a level 0
424 8. Debugged the glob calls in interactive mode: restore used a
425 dirent struct which was different from the /usr/include/dirent.h
426 one (this used to work, is it a glibc2 change?), so none of the
427 compat glob (which used /usr/include/dirent.h) or the system glob
428 worked. Restore use now the system dirent (and the system
429 DT_* constants), which are compatible with BSD ones.
431 9. Added a configure flag (--with-dumpdatespath) to specify
432 the location of dumpdates file. By default, it is
435 10. Added the "AUTHOR" and "AVAILABILITY" sections and
436 included the current date/version in man pages.
438 11. Corrected the estimation of remaining time when
439 the operator doesn't change the tapes quickly enough. This
440 was an old bug, I thought I corrected it, and discovered
441 that in fact it was corrected in two different places, so
442 the results canceled each other...
444 Changes between versions 0.4b5 and 0.4b6 (released October 1, 1999)
445 ===================================================================
447 1. Integrated multiple patches from RedHat, Debian and SuSE:
449 - tweak dump/itime.c to not try to read dumpdates if the 'u' option
451 - several fixes in the man pages.
452 - update the default tape device to /dev/st0.
453 - many updates for Linux Alpha (byte ordering, size_t etc).
455 - use environment variable for TMPDIR (instead of /tmp).
456 - use sigjmp_buf instead of jmp_buf (RedHat bug #3260).
457 - workaround egcs bug (RedHat bugs #4281 and #2989).
458 - wire $(OPT) throughout Makefile's.
460 2. Upgrade the dump revision to 1, making possible to dump filesystems
461 made with e2fsprogs-1.15 or newer. Nothing seems to break...
463 3. Fix some compile warnings, prototype all functions.
465 4. Use glibc err/glob instead of internal compatibility
466 routines (only if available).
468 5. Fix a compile error on Linux 2.2.7 / libc5 (5.4.44) (patch provided
469 by Bernhard Sadlowski <sadlowsk@mathematik.uni-bielefeld.de>).
471 Changes between versions 0.4b4 and 0.4b5 (released September 22, 1999)
472 ======================================================================
474 1. Integrated the changes from FreeBSD-3.1-RELEASE
475 (mostly bug fixes, buffer overruns, dump has now an "automatic
476 tape length calculation" flag, dump/restore can use kerberos now
477 (this is NOT tested), use environment variables for TAPE and
480 2. Integrated three RedHat patches ("glibc", "kernel" and "bread" patches)
482 3. Corrected a bug in restore when using 'C' option with multi-volumes
483 tapes (files splited accros two tapes give "size changed" errors
486 4. Corrected the long standing bug when dumping multiple tapes.
487 This works for me, needs further testing.
489 Changes between versions 0.4b3 and 0.4b4 (released January 17, 1997)
490 ====================================================================
492 1. Dump now runs correctly on kernels 2.1.x
493 Fix made by Gerald Peters <gapeters@worldnet.att.net>
495 Changes between versions 0.4b2 and 0.4b3
496 ========================================
498 1. Use realpath() if available
502 Changes between versions 0.4b1 and 0.4b2
503 ========================================
505 1. Fixed the bug fix from Greg Lutz (I had made a mistake when integrating
508 2. Fixed restore to make it able to read FreeBSD 2.x dumps again
510 3. Fixed configure.in to correctly handle --enable-rmt
512 Changes between versions 0.3 and 0.4b1
513 ======================================
515 1. Integrated the changes from 4.4BSD-Lite2
517 2. Integrated the patches from Debian and Red Hat
519 3. Portability changes: use the __u32, __u16, __s32, and __s16 types
521 4. Changed dump to use the Ext2fs library to get block addresses. This
522 should solve the endianness problem on SparcLinux.
524 5. Created a configure.in file (shamelessly stolen from the e2fsprogs
525 distribution's one) to use autoconf
527 6. Fixed a few minor bugs
529 Changes between versions 0.2e and 0.2f
530 ======================================
532 1. Added the creation of named pipes (fifos) in restore.
534 2. Added the -N flag in the restore manual page.
536 3. Added the file kernel.patch which contains the llseek() optimization
537 patch for 1.2.x kernels.
539 4. Fixed a bug in the restoration of symbolic links: owner and group were
542 5. Integrated some changes from FreeBSD 2.2.
544 6. Added a call to ftruncate() after restoring each file to restore
545 correctly files ending by a hole.
547 Changes between versions 0.2d and 0.2e
548 ======================================
550 1. Fixed a bug in the "set owner/mode" process. Every file was restored
551 with owner = root (0) and group = root/wheel/whatever (0).
553 Changes between versions 0.2c and 0.2d
554 ======================================
556 1. Dump is now able to backup 2GB+ filesystems.
558 2. Dump and restore can now be linked as static binaries.
560 Changes between versions 0.2b and 0.2c
561 ======================================
563 1. Fixed a bug when dumping ``slow'' (i.e. normal) symbolic links.
565 Changes between versions 0.2a and 0.2b
566 ======================================
568 1. Really fixed the bug that I should have corrected in 0.2a.
570 2. Enabled optimization again.
572 Changes between versions 0.2 and 0.2a
573 =====================================
575 1. Disabled the optimization during compilation.
577 Changes between versions 0.1 and 0.2
578 ====================================
580 1. Fixed a bug in fstab.c which caused a null pointer to be stored in
581 the fs_type field (actually, I modified the file fstab.c to make it
582 use the mntent functions).
584 2. Dump and restore now use a 4.3 BSD compatible dump format. Backups
585 made by dump should be readable by the BSD restore and backups made
586 by the BSD dump should be readable by restore. Unfortunately, this
587 means that the dump format has changed between version 0.1 and version
590 3. Dump is now able to backup a subtree, it is no longer limited to whole
591 filesystems like the BSD version.
593 4. Dump now uses ext2_llseek() so it is able to backup filesystems bigger
596 Changes between versions 0.0 and 0.1
597 ====================================
599 1. Now create links rdump and rrestore during the `make install' step.
601 2. Linux port specific bugs added to the manual pages
603 3. Incorrect estimation of the number of tapes blocks fixed when doing
606 4. Better ls-like format in restore in interactive mode.