1 $Id: CHANGES,v 1.88 2000/11/10 13:22:10 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 8. Get the values for the default tape device and the location
41 of fstab file from the system headers. Thanks to
42 Andreas Dilger <adilger@turbolinux.com> for the patch.
44 9. Made dump -w|-W report all recognized filesystems
45 present in either /etc/fstab or /etc/dumpdates, and present
46 the list in the same order as in fstab file. Thanks
47 to Andreas Dilger <adilger@turbolinux.com> for the patch.
49 10. Made dump's -a (automatic end of tape detection) the
50 default. Specifying one of -B, -c, -d or -s options will
51 override the EOM detection. Thanks to Andreas Dilger
52 <adilger@turbolinux.com> for the patch.
54 Changes between versions 0.4b18 and 0.4b19 (released August 20, 2000)
55 =====================================================================
57 1. Fixed the signal handling in dump (which I broke in 0.4b17)
58 which was causing several strange dump failures (dump
59 hanged or segmentation faults etc).
61 2. Specified the default blocksize in the dump man page.
63 3. Changed two info messages of restore to be written on stdout
64 instead of stderr in order to leave stderr only for errors
65 or warnings. Thanks to Stephen Atwell
66 <satwell@urbana.css.mot.com> for the suggestion.
68 4. Corrected an off by one calculation which prevented
69 dumping a directory having a 1 character name length.
70 Thanks to Bernhard Erdmann <bernhard.erdmann@gmx.de>
71 for reporting the bug.
73 5. Reinforce dump in order to allow only level 0 and no
74 -u option when dumping a subdirectory, and document
75 this in the man page. Thanks to Bernhard Erdmann
76 <bernhard.erdmann@gmx.de> for reporting the bug.
78 6. Fixed a small harmless bug in restore which caused
79 in some conditions hard links to be restored several
80 times (therefore generation some warning messages).
81 Thanks to Kenneth Porter <shiva@well.com> for
84 7. Updated the RPM spec file to the latest RedHat version,
85 providing FHS packaging and other cosmetic changes.
86 You will need RPM version >= 3.0.5 in order to build the RPM.
88 8. Updated the configure script to check for libtermcap
89 before checking for libreadline, because we need this
90 library in order to compile the readline support.
92 9. Made dump understand the LABEL= and UUID= notation
93 both in /etc/fstab and on the command line. Note that
94 you will need the /proc filesystem in order to use
95 these notations. Thanks to Erik Troan <ewt@redhat.com>
96 for providing the patch.
98 Changes between versions 0.4b17 and 0.4b18 (released June 30, 2000)
99 ===================================================================
101 1. Fixed a potential buffer overflow in restore. Thanks
102 to Stan Bubrouski <satan@fastdial.net> for reporting
105 2. Fixed a readline-related bug which prevented
106 'cat DUMPFILE | restore -i -f -' from working. Thanks
107 to Charles Karney <karney@users.sourceforge.net>
110 3. Changed a few "panic" into "exit", causing restore to
111 be more stable against some attacks (like the last one
112 reported on Bugtraq, although the last version of restore
113 was not vulnerable - just dumped core). Thanks to
114 Andreas Hasenack <andreas@conectiva.com.br> for reporting
117 4. Removed the suid-root bit on dump and restore in the
118 default build (and generated RPMs). It should be safer
119 now. Users who need the suid-root capabilities in order
120 to make network backups should read first the man page
121 of dump and enable the suid bit manually.
123 5. Added -ltermcap to the compile parameters for restore
124 when using readline support, in order to make the compile
125 process work on some systems (SuSE ?). Thanks to
126 Patrik Schindler <poc@pocnet.net> for reporting the bug.
128 Changes between versions 0.4b16 and 0.4b17 (released June 1st, 2000)
129 ====================================================================
131 1. The -F script is called now *only* at the end of a tape,
132 not at the end of the dump. Thanks to Christian Haul
133 <haul@informatik.tu-darmstadt.de> for the bug report.
135 Normally, the device name and the current volume number
136 are passed on the command line of the script. However,
137 if you want the old style script (with no arguments
138 passed on the command line), you can enable it in
139 configure with the --enable-oldstylefscript.
141 2. Use posix signal handling to preserve dump functionality
142 with libc5. Thanks to Jeff Johnson <jbj@redhat.com> for
145 3. Made the exit code of restore in case of a 'C'ompare
146 command reflect the result of the compare. An exit status
147 of 0 means the dump archive is correct, 1 means tape errors,
148 2 means that some files were modified. Thanks to Kenneth Porter
149 <shiva@well.com> for the suggestion.
151 4. Made (finally) quotes work in interactive restore.
153 5. Small fixes in order to allow dump to compile with a
154 really old e2fsprogs version. Thanks to Ian Zimmerman
155 <itz@speakeasy.org> for the bug report.
157 6. Add GNU readline capabilities to interactive restore.
158 Use configure's --enable-readline flag to enable this feature.
159 Thanks to Patrik Schindler <poc@pocnet.net> for the
162 7. Do the compare on the fly in restore 'C' mode (this will
163 allow not to exhaust the available /tmp space when
164 ccmparing large files). Thanks to Kenneth Porter
165 <shiva@well.com> for the suggestion.
167 Changes between versions 0.4b15 and 0.4b16 (released March 11, 2000)
168 ====================================================================
170 1. Fixed some several duplicate 'DUMP: DUMP:' in the
173 2. Corrected the estimation of blocks to dump. Note that
174 this is still wrong for large directory inodes, due
175 to the size of a BSD directory entry on the tape
176 (estimation is based on the size of the ext2 directory,
177 which is smaller because it doesn't contain the null
178 character at the end).
180 3. Made dump report the total number of MB written to
181 tape at the end of run. Thanks to W. Reilly Cooley
182 <wcooley@nakedape.cc> for the patch.
184 4. Added the -X option to restore giving the possibility
185 to read the names of the files to be extracted/listed
186 from a text file (in addition of the command line).
187 Thanks to Dejan Muhamedagic <dejan@quant-x.com> for the
190 5. Added the device name and the current volume number
191 as arguments to the end of tape script (dump -F option).
193 6. Made the multi-volume dump work again (after having
194 broken it in 0.4b15).
196 Changes between versions 0.4b14 and 0.4b15 (released March 2, 2000)
197 ===================================================================
199 1. Added a prompt command in interactive restore mode. Thanks
200 to Andreas Dilger <adilger@home.com> for the patch.
202 2. Fixed a buffer overflow problem in dump (caused by
203 not checking the size of the filesystem parameter).
204 Thanks to Kim Yong-jun <loveyou@hackerslab.org> for
205 reporting this on Bugtraq (and to several dump users
206 who forwarded me his mail).
208 3. Added the '-F script' option to dump in order to
209 launch a script at the end of each tape (to be used
210 with a tape changer, or to notify the sysadmin by
213 4. Fixed a bug in restore compare code caused by the changes
216 5. Fixed the treatment of options using the old BSD syntax
217 in both dump and restore.
219 Changes between versions 0.4b13 and 0.4b14 (released February 10, 2000)
220 =======================================================================
222 1. Fixed a bug in dump which may have caused invalid deleted
223 directories to be dumped out if they were deleted after the
224 mapping pass. This could occure on active filesystem and lead
225 to heap corruption (causing dump malfunction in many possible ways).
226 Thanks to Jan Sanislo <oystr@cs.washington.edu> for finding this
227 bug and submitting the patch.
229 2. Fixed the handling of the filesystem parameter in dump. A
230 '/mnt/disk' parameter caused the disk contents to be dumped,
231 but a '/mnt/disk/' parameter caused the mountpoint directory
232 to be dumped (generally an empty directory).
234 3. Improved the output of dump in order to tell which directory
235 it is currently dumping (when dumping a subtree).
237 4. Added the '-e' exclude inode option to dump. Thanks to
238 Isaac Chuang <ike@isl.stanford.edu> for contributing with the patch.
240 5. Added a REPORTING-BUGS file in order to provide a guide
241 on how to correctly report a bug in dump/restore.
243 6. Fixed a restore problem when restoring a hard link to an inode
244 having the immutable or append-only attribute set. Thanks to
245 Ambrose Li <acli@mingpaoxpress.com> for submitting the patch.
247 7. Fixed a compatibility problem between dumps made on little
248 endian machines (the format was correct) and big endian
249 machines (the format was incorrect). This fix break the
250 compatibility with the older dumps made on big endian
251 machines (sparc, m86k, ppc etc). For the first time in
252 linux dump's history (I believe), the dumps made by *BSD,
253 Linux/alpha, Linux/sparc and Linux/x86 are compatible,
254 so interchangeable. Thanks to Rob Cermak
255 <cermak@ahab.rutgers.edu> for submitting the bug and
256 helping me test the fix.
258 8. Fixed the way dump reports the remaining percent/time, if
259 the number of blocks actually dumped exceeds the estimated
260 number of blocks. Thanks to Jean-Paul van der Jagt
261 <jeanpaul@dutepp0.et.tudelft.nl> for reporting the bug.
263 Changes between versions 0.4b12 and 0.4b13 (released January 21, 2000)
264 ======================================================================
266 1. Small Y2K fix in the man pages :). Thanks to Bernhard Sadlowski
267 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug.
269 2. Removed the requirement to build the RPM as root from the
270 spec file. Thanks to Christian Weisgerber
271 <naddy@mips.rhein-neckar.de> for submitting this.
273 3. Fixed a bug in dump related to the 'filetype' feature of ext2fs,
274 causing dump to block when dumping really huge filesystems.
275 Many thanks to Patrik Schindler <poc@pocnet.net> for
276 helping me find this bug.
278 4. Fixed the treatment for an interrupt signal when dump access
279 the remote tape through RSH. Thanks to Christian Weisgerber
280 <naddy@mips.rhein-neckar.de> for providing the patch.
282 5. Fixed a bug which was causing dump/restore to display
283 garbage characters instead of the remote host name.
285 Changes between versions 0.4b11 and 0.4b12 (released January 8, 2000)
286 =====================================================================
288 1. Small fix in the dump man page. Thanks to Thorsten Kukuk
289 <kukuk@suse.de> for submitting the patch.
291 2. Fix for the exit code when using the size estimate option of
292 dump. Thanks to Matti Taskinen <mkt@rni.helsinki.fi> for
293 submitting the patch.
295 3. Handle EINTR in atomical reads/writes in dump, which was causing
296 dump to fail on some systems. Thanks to Eric Jergensen
297 <eric@dvns.com> for reporting the bug and submitting the patch.
299 4. Handle more than 16 characters for the device names in dumpdates.
300 (up to 255 now). Thanks to Rainer Clasen <bj@ncc.cicely.de> for
301 tracking down the problem and proposing the solution.
303 5. Fixed a bug in dump which prevented the creation of the
304 dumpdates file when doing a 0-level dump without already
305 having a dumpdates file. Thanks to Patrik Schindler
306 <poc@pocnet.net> for reporting the bug.
308 6. Changed the way dump 'S' flag reports the size estimate
309 from number of blocks into bytes (making it compatible
310 with the Solaris version, and simplifying things for
311 amanda users). Thanks to Jason L Tibbitts III
312 <tibbs@math.uh.edu> for reporting the bug.
314 7. Fixed a compatibility problem in linux/alpha dump tape format.
315 Now the linux/alpha dump are (again) compatible with the
316 other dump formats. But this breaks compatibility with
317 older dumps made on alpha. Thanks to Mike Tibor
318 <tibor@lib.uaa.alaska.edu> for helping me in finding this bug.
320 Changes between versions 0.4b10 and 0.4b11 (released December 5, 1999)
321 ======================================================================
323 1. Added a '--enable-kerberos' to configure.
325 2. Added a 'S' option to dump which determines the amount of space
326 that is needed to perform the dump without actually doing it, similar
327 to the Sun's ufsdump 'S' option. Patch contributed by Rob Cermak
328 <cermak@ahab.rutgers.edu>.
330 3. Added a 'M' multi-volume option to dump and restore which enables
331 dumping to multiple files (useful when dumping to an ext2
332 partition to make several dump files in order to bypass the 2GB
333 file size limitation). The 'f' argument is treated as a prefix and
334 the output files will be named <prefix>001, <prefix>002 etc. With
335 the 'M' flag, restore automatically selects the right file without
336 asking to enter a new tape each time.
338 4. Fixed a memory leak which was causing dump to grow very big
339 (270MB when dumping a 10GB filesystem...). Thanks to Jason
340 Fearon <jasonf@netrider.org.au> for reporting the bug.
342 Changes between versions 0.4b9 and 0.4b10 (released November 21, 1999)
343 ======================================================================
345 1. Make configure test if the system glob routines support
346 extended syntax (ALTDIRFUNC). If not, use the internal glob
347 routines instead of system ones. Thanks to Bernhard Sadlowski
348 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug
349 and helping me resolve this and other minor libc5 compiling
352 2. Fix a problem when dumping a ext2fs with the 'filetype'
353 feature enabled. Thanks to Patrick J. LoPresti
354 <patl@cag.lcs.mit.edu> for reporting the bug and to
355 Theodore Y. Ts'o <tytso@mit.edu> for providing the patch.
357 3. Made the nodump flag work on directories. A directory which
358 has the nodump flag gets never dumped, regardless of its
361 4. Integrate a patch from Jeremy Fitzhardinge <jeremy@goop.org>
362 which allows dump on an active ext3 filesystem. However, this
363 is a "quick and dirty" patch which enables backup of an ext3
364 filesystem through the ext2 compatibility (by ignoring the
365 NEEDS_RECOVERY bit). The journal file is not recognized and
366 it is dumped (it should not).
368 5. Test the superblock compatibility flags when dumping, in order
369 to be sure that we know how to deal with specific features.
371 Changes between versions 0.4b8 and 0.4b9 (released November 5, 1999)
372 ====================================================================
374 1. Use lchown instead of chown, fixing a possible security problem
375 when restoring symlinks (a malicious user could use this
376 to deliberately corrupt the ownership of important system files).
377 Thanks to Chris Siebenmann <cks@utcc.utoronto.ca> for detecting
378 this and providing the patch.
380 Changes between versions 0.4b7 and 0.4b8 (released November 3, 1999)
381 ====================================================================
383 1. Put dump sources under CVS, added Id tags in all files so
384 one can use 'ident' on binary files.
386 2. Added the dump/restore version in the usage text so one can
387 easily verify the version he is using.
389 3. Small patch from Nuno Oliveira <nuno@eq.uc.pt> which fixes
390 a va_start/va_end problem on linux-ppc (always call va_start
391 va_end in pairs each time we use a vararg function).
393 4. Added again the DT_* constants because old libc does not
394 contain them :(. Thanks to Eric Maisonobe <virnet@nat.fr>
395 for submitting the bug report.
397 5. Use ext2fs_llseek instead of llseek. With recent e2fsprogs
398 this should enable dumping big (huge) filesystems.
400 6. Added the RSH environment variable in order to be able to
401 use a rsh replacement like ssh when doing remote backups (and
402 bypass the security limitations of rcmd). Now you can do remote
403 backups without being root (or making dump setuid root).
405 7. Modified again the way dumpdates works. For incremental dumps,
406 we need to read dumpdates even if we are not using 'u' option.
407 Thanks to Bdale Garbee <bdale@gag.com> for his ideas on how
410 Changes between versions 0.4b6 and 0.4b7 (released October 8, 1999)
411 ===================================================================
413 1. Removed the 'k' flag from the restore 'about' text if kerberos
416 2. Prototyped (f)setflags from e2fsprogs and corrected the calls
417 to them (fsetflags takes a char*, setflags an open fd!).
419 3. (f)setflags is called only if the flags aren't empty. If the
420 file is a special file, a warning is printed, because changing
421 flags implies opening the device. Normally, a special file
422 should not have any flag... (Debian bug #29775, patch provided
423 by Abhijit Dasgupta <abhijit@ans.net>).
425 4. Made possible to dump a file system not mentioned in /etc/fstab.
426 (Debian bug #11904, patch provided by Eirik Fuller <eirik@netcom.com>).
428 5. Changed the default behaviour to not create dumpdates
429 unless 'u' option is specified. Removed the old "debian-patch"
430 which provided the same thing. (Debian bug #38136, #33818).
432 6. Removed all those dump*announce, since they were getting old...
434 7. Added warning messages if dumpdates does not exist and
435 when an inferior level dump does not exist (except for a level 0
438 8. Debugged the glob calls in interactive mode: restore used a
439 dirent struct which was different from the /usr/include/dirent.h
440 one (this used to work, is it a glibc2 change?), so none of the
441 compat glob (which used /usr/include/dirent.h) or the system glob
442 worked. Restore use now the system dirent (and the system
443 DT_* constants), which are compatible with BSD ones.
445 9. Added a configure flag (--with-dumpdatespath) to specify
446 the location of dumpdates file. By default, it is
449 10. Added the "AUTHOR" and "AVAILABILITY" sections and
450 included the current date/version in man pages.
452 11. Corrected the estimation of remaining time when
453 the operator doesn't change the tapes quickly enough. This
454 was an old bug, I thought I corrected it, and discovered
455 that in fact it was corrected in two different places, so
456 the results canceled each other...
458 Changes between versions 0.4b5 and 0.4b6 (released October 1, 1999)
459 ===================================================================
461 1. Integrated multiple patches from RedHat, Debian and SuSE:
463 - tweak dump/itime.c to not try to read dumpdates if the 'u' option
465 - several fixes in the man pages.
466 - update the default tape device to /dev/st0.
467 - many updates for Linux Alpha (byte ordering, size_t etc).
469 - use environment variable for TMPDIR (instead of /tmp).
470 - use sigjmp_buf instead of jmp_buf (RedHat bug #3260).
471 - workaround egcs bug (RedHat bugs #4281 and #2989).
472 - wire $(OPT) throughout Makefile's.
474 2. Upgrade the dump revision to 1, making possible to dump filesystems
475 made with e2fsprogs-1.15 or newer. Nothing seems to break...
477 3. Fix some compile warnings, prototype all functions.
479 4. Use glibc err/glob instead of internal compatibility
480 routines (only if available).
482 5. Fix a compile error on Linux 2.2.7 / libc5 (5.4.44) (patch provided
483 by Bernhard Sadlowski <sadlowsk@mathematik.uni-bielefeld.de>).
485 Changes between versions 0.4b4 and 0.4b5 (released September 22, 1999)
486 ======================================================================
488 1. Integrated the changes from FreeBSD-3.1-RELEASE
489 (mostly bug fixes, buffer overruns, dump has now an "automatic
490 tape length calculation" flag, dump/restore can use kerberos now
491 (this is NOT tested), use environment variables for TAPE and
494 2. Integrated three RedHat patches ("glibc", "kernel" and "bread" patches)
496 3. Corrected a bug in restore when using 'C' option with multi-volumes
497 tapes (files splited accros two tapes give "size changed" errors
500 4. Corrected the long standing bug when dumping multiple tapes.
501 This works for me, needs further testing.
503 Changes between versions 0.4b3 and 0.4b4 (released January 17, 1997)
504 ====================================================================
506 1. Dump now runs correctly on kernels 2.1.x
507 Fix made by Gerald Peters <gapeters@worldnet.att.net>
509 Changes between versions 0.4b2 and 0.4b3
510 ========================================
512 1. Use realpath() if available
516 Changes between versions 0.4b1 and 0.4b2
517 ========================================
519 1. Fixed the bug fix from Greg Lutz (I had made a mistake when integrating
522 2. Fixed restore to make it able to read FreeBSD 2.x dumps again
524 3. Fixed configure.in to correctly handle --enable-rmt
526 Changes between versions 0.3 and 0.4b1
527 ======================================
529 1. Integrated the changes from 4.4BSD-Lite2
531 2. Integrated the patches from Debian and Red Hat
533 3. Portability changes: use the __u32, __u16, __s32, and __s16 types
535 4. Changed dump to use the Ext2fs library to get block addresses. This
536 should solve the endianness problem on SparcLinux.
538 5. Created a configure.in file (shamelessly stolen from the e2fsprogs
539 distribution's one) to use autoconf
541 6. Fixed a few minor bugs
543 Changes between versions 0.2e and 0.2f
544 ======================================
546 1. Added the creation of named pipes (fifos) in restore.
548 2. Added the -N flag in the restore manual page.
550 3. Added the file kernel.patch which contains the llseek() optimization
551 patch for 1.2.x kernels.
553 4. Fixed a bug in the restoration of symbolic links: owner and group were
556 5. Integrated some changes from FreeBSD 2.2.
558 6. Added a call to ftruncate() after restoring each file to restore
559 correctly files ending by a hole.
561 Changes between versions 0.2d and 0.2e
562 ======================================
564 1. Fixed a bug in the "set owner/mode" process. Every file was restored
565 with owner = root (0) and group = root/wheel/whatever (0).
567 Changes between versions 0.2c and 0.2d
568 ======================================
570 1. Dump is now able to backup 2GB+ filesystems.
572 2. Dump and restore can now be linked as static binaries.
574 Changes between versions 0.2b and 0.2c
575 ======================================
577 1. Fixed a bug when dumping ``slow'' (i.e. normal) symbolic links.
579 Changes between versions 0.2a and 0.2b
580 ======================================
582 1. Really fixed the bug that I should have corrected in 0.2a.
584 2. Enabled optimization again.
586 Changes between versions 0.2 and 0.2a
587 =====================================
589 1. Disabled the optimization during compilation.
591 Changes between versions 0.1 and 0.2
592 ====================================
594 1. Fixed a bug in fstab.c which caused a null pointer to be stored in
595 the fs_type field (actually, I modified the file fstab.c to make it
596 use the mntent functions).
598 2. Dump and restore now use a 4.3 BSD compatible dump format. Backups
599 made by dump should be readable by the BSD restore and backups made
600 by the BSD dump should be readable by restore. Unfortunately, this
601 means that the dump format has changed between version 0.1 and version
604 3. Dump is now able to backup a subtree, it is no longer limited to whole
605 filesystems like the BSD version.
607 4. Dump now uses ext2_llseek() so it is able to backup filesystems bigger
610 Changes between versions 0.0 and 0.1
611 ====================================
613 1. Now create links rdump and rrestore during the `make install' step.
615 2. Linux port specific bugs added to the manual pages
617 3. Incorrect estimation of the number of tapes blocks fixed when doing
620 4. Better ls-like format in restore in interactive mode.