/[BackupPC]/trunk/ChangeLog
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Revision 316 - (show annotations)
Mon Jan 30 13:37:17 2006 UTC (18 years, 2 months ago) by dpavlin
File size: 46949 byte(s)
 r9152@llin:  dpavlin | 2006-01-30 14:11:45 +0100
 update to upstream 2.1.2

1 #========================================================================
2 #
3 # ChangeLog - change log for BackupPC.
4 #
5 # DESCRIPTION
6 # Revision history for BackupPC, detailing significant changes between
7 # versions, most recent first.
8 #
9 # AUTHOR
10 # Craig Barratt <cbarratt@users.sourceforge.net>
11 #
12 #========================================================================
13 #
14 # Version 2.1.2, released 5 Sep 2005.
15 #
16 # See http://backuppc.sourceforge.net.
17 #
18 #========================================================================
19
20 #------------------------------------------------------------------------
21 # Version 2.1.2, 5 Sep 2005
22 #------------------------------------------------------------------------
23
24 * Fixed simple but serious bug in bin/BackupPC_tarCreate that prevented
25 hardlinks being saved correctly. Debugged by Michael (mna.news)
26 with several other people.
27
28 * Fixed serious bug in bin/BackupPC_dump reported/debugged by Dan Niles
29 that can happen when multiple full backups are deleted after
30 $Conf{FullKeepCnt} is changed.
31
32 * Changed lib/BackupPC/CGI/Lib.pm so that link to "$TopDir/conf/$host.pl"
33 is displayed if it exists. Patch from Andreas Vögele.
34
35 * Applied daemonize patch to bin/BackupPC from:
36 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=301057
37
38 * It's now a fatal error if $Conf{CompressLevel} is set, but
39 Compress::Zlib is not found. Before $Conf{CompressLevel} was
40 silently set to 0, which made all the backups uncompressed.
41 That meant the user never knew if they forget to install
42 Compress::Zlib but were expecting compression to be on.
43
44 * Finally increased $Conf{ClientTimeout} to 72000 (20 hours).
45
46 * Added sleep 1 in restart() function in init.d/src/gentoo-backuppc,
47 suggested by Jon Hood.
48
49 * Added $DestDir to the path of the CGI image directory in configure.pl.
50 Patch submitted by Andreas Vögele.
51
52 * Applied extensive patch to French translation from Frederic Lehobey.
53
54 * Minor change to Dutch language $Lang{Pool_Stat} from Wander Winkelhorst.
55
56 * Minor change to French language $Lang{EMailOutlookBackupMesg} and
57 $Lang{EMailOutlookBackupSubj} from Ludovic Gasc.
58
59 #------------------------------------------------------------------------
60 # Version 2.1.1, 13 Mar 2005
61 #------------------------------------------------------------------------
62
63 * Fixed bug in top-level restore using rsync XferMethod.
64 BackupPC::View was leaving an extra leading "/" at the start
65 of top-level directories, messing up the FileList sort order.
66 Reported and debugged by Gail Edwards.
67
68 * Added pathCreate() to BackupPC_tarExtract so that new directories
69 are created. Required for xtar on MacOSX since the virtual resource
70 fork directories (.rsrc) are not explicitly included in the tar
71 archive - just the files below .rsrc are.
72
73 * Changed $host.$bkupNum.tar$fileExt.* to $host.$bkupNum.tar$fileExt*
74 in $parCmd in bin/BackupPC_archiveHost.
75
76 * Fixed HostSortCompare() in BackupPC to correctly sort hosts so
77 those with the oldest backups get queued first.
78
79 * Changed test in BackupPC_sendEmail so that directories/files
80 starting with "." in $TopDir/pc are ignored, rather than
81 just "." and "..".
82
83 * Changed BackupPC_sendEmail to include NT_STATUS_FILE_LOCK_CONFLICT
84 in check for bad outlook files.
85
86 * Ensure that %Status and %StatusHost are empty if requesting
87 status on hosts in lib/BackupPC/CGI/Lib.pm GetStatusInfo().
88 Fixes problem with new hosts under mod_perl.
89
90 * Added images/icon-hardlink.gif so that hardlinks show file type icon.
91
92 #------------------------------------------------------------------------
93 # Version 2.1.0pl1, 15 Aug 2004
94 #------------------------------------------------------------------------
95
96 * Added fix to lib/BackupPC/Lang/nl.pm from Lieven Bridts.
97
98 * Added patch from Tony Nelson to remove $Info{pid} before BackupPC
99 writes the status and shuts down.
100
101 * Changed BackupPC_nightly so that it doesn't call find() if the
102 directory doesn't exist. This avoids errors in certain versions
103 of perl. Reported by Bernd Rilling.
104
105 * Fixed BackupPC::CGI::Lib to correctly re-load config.pl for mod_perl.
106 Reported by Tony Nelson and Jimmy Liang.
107
108 * Explicitly untaint $In{host} in BackupPC::CGI::Lib to fix problem
109 reported by Thomas Tempé.
110
111 * Added newline to "...skipping because of user requested delay..."
112 log message in BackupPC_dump. Reported by Wayne Scott.
113
114 * Added read file size error checking to BackupPC_tarCreate.
115 Reported by Brandon Evans.
116
117 * Added check in BackupPC::Xfer::RsyncFileIO to ensure that when
118 compression is toggled on/off, a compressed backup doesn't link
119 to an uncompressed pool file (and an uncompressed backup doesn't
120 link to a compressed pool file). Reported by Brandon Evans.
121
122 * Updated documentation with new dirvish URL and a typo from
123 Todd Curry.
124
125 * Fix to BackupPC_sendEmail so that it correctly sends admin emails
126 for hosts that have failed backups. Reported by Simon Kuhn.
127
128 #------------------------------------------------------------------------
129 # Version 2.1.0, 20 Jun 2004
130 #------------------------------------------------------------------------
131
132 * Added Dutch translation from Lieven Bridts, with tweaks from
133 Guus Houtzager.
134
135 * Added PC-specific config file read in CGI/Archive.pm. Patch
136 from Pete Wenzel.
137
138 * Added non-zero exit code to BackupPC_zcat when uncompress fails.
139 Patch from Pete Wenzel.
140
141 * Cosmetic changes to PC Summary and Log file language strings from
142 Pete Wenzel.
143
144 * BackupPC::Lib tries to be more careful when renaming the backups
145 file to backups.old. There have been reports of backups being
146 empty, perhaps when the BackupPC data file system fills up.
147 Now backups is not renamed to backups.old if backups is empty.
148
149 * BackupPC now closes stderr and stdout before renaming and
150 re-opening the log file.
151
152 * Pre/post backup/restore/archive commands now correctly set
153 "type" to either incr/full/restore/archive, and now cmdType
154 is the type of Pre/post backup/restore/archive command.
155
156 * BackupPC_archive correctly terminates archive processes on
157 alarm or cancel.
158
159 * Updates to BackupPC_stnd.css with absolute font sizes instead
160 of relative.
161
162 * BackupPC_dump now makes sure that the $Conf{FullAgeMax} check
163 also ensures the full backup is older than the maximum age
164 expected from $Conf{FullPeriod}.
165
166 #------------------------------------------------------------------------
167 # Version 2.1.0beta2pl1, 30 May 2004
168 #------------------------------------------------------------------------
169
170 * Fixed bug in rsync checksum caching code in BackupPC::Xfer::RsyncDigest.
171
172 * BackupPC_zipCreate now ensures the earliest mtime is 1/1/1980,
173 since zip file formats don't support earlier dates. Reported
174 by Dan Niles.
175
176 * CGI restore via zip and tar now makes sure stderr is ignored
177 when BackupPC_tarCreate and BackupPC_zipCreate are run.
178 Previously any stderr output would get mixed in the archive,
179 corrupting it. Reported by Dan Niles.
180
181 #------------------------------------------------------------------------
182 # Version 2.1.0beta2, 23 May 2004
183 #------------------------------------------------------------------------
184
185 * $Conf{BackupFilesOnly} and $Conf{BackupFilesExclude} now apply
186 to every share, rather than just the first, in the case where
187 they are arrays and there are multiple shares. Suggested
188 by Andy Evans.
189
190 * On the phase 2 retry pass with rsync, verify the cached checksums
191 if checksum caching is turned on. This will catch the case of
192 cached checksums being incorrectly appended to the compressed
193 pool file. Added new config parameter $Conf{RsyncCsumCacheVerifyProb}
194 so that cached checksums are verified with a selectable probability.
195 Also, increased File::RsyncP version number to 0.51.
196
197 * configure.pl now supports an optional batch mode. Command-line
198 options are used to specify all the information that configure.pl
199 needs. This is useful for building auto-install packages.
200 Also, configure.pl now includes pod documentation, so you can do
201 "perldoc configure.pl" to see all the command-line options.
202 Suggested, tested and tweaked by Stuart Herbert for possible
203 Gentoo inclusion.
204
205 * At each wakeup, clients are now queued based on how old the most
206 recent backup is. Clients with errors are queued first, with
207 the oldest error times going first. The rest of the clients are
208 queued next, with the clients with the oldest backup going first.
209 Previously the clients were simply queued in alphabetic order.
210 Suggested by Mike Trisko and Tony Nelson.
211
212 * Added config parameter $Conf{PartialAgeMax} that controls whether
213 partials are saved at all, and if so, whether the partial will be
214 ignored at the next full backup if it is too old.
215
216 * BackupPC_tarExtract now allows empty archives without reporting
217 an error. Reported by Don Silvia.
218
219 * Removed Browse Backups link from Nav Bar in Archive Info display.
220 Reported by Ralph Paßgang.
221
222 * Fixed documentation display for regular users. Reported by Ralph Paßgang.
223
224 * Status and PC Summary now work for regular users and only show
225 that user's hosts. Server general status information only appears
226 for admins. Suggested by Ralph Paßgang.
227
228 * Moved the last three navigation-bar links (docs, FAQ and SF) to
229 a new config parameter $Conf{CgiNavBarLinks}. This allows
230 these links to be locally configured. Based on a patch
231 submitted by Ralph Paßgang.
232
233 * Allow the navigation bar search box to be disabled by
234 setting $Conf{CgiSearchBoxEnable} to 0. Based on a patch
235 submitted by Ralph Paßgang.
236
237 * Updates to de.pm from Ralph Paßgang.
238
239 * Made the BackupPC icon a link to the SF BackupPC project page.
240
241 #------------------------------------------------------------------------
242 # Version 2.1.0beta1, 4 Apr 2004
243 #------------------------------------------------------------------------
244
245 * The CSS definition has been removed from the config.pl file and
246 is now a separate file, BackupPC_stnd.css. A new config variable,
247 $Conf{CgiCSSFile}, gives the name of the CSS file to use.
248 Suggested by Ender Mathias.
249
250 * Fixed the filling of the host name select box for admins.
251 The default $Conf{CgiNavBarAdminAllHosts} is now 1.
252 Reported by Doug Lytle.
253
254 * Cleaned up warning message for restore using rsync when checksum
255 caching is on, but when file didn't have cached checksums.
256
257 * Fixed BackupPC_archiveHost to support par2 (par2cmdline).
258 Patch submitted by Jaco Bongers and adapted by Josh Marshall.
259
260 * Improved stat() usage in BackupPC_nightly, plus some other cleanup,
261 giving a significant performance improvement. Patch submitted by
262 Wayne Scott.
263
264 * Allow several BackupPC_nightly processes to run in parallel based
265 on new $Conf{BackupPCNightlyJobs} setting. This speeds up the
266 traversal of the pool, reducing the overall run time for
267 BackupPC_nightly.
268
269 * Allow BackupPC_nightly to split the pool traversal across several
270 nightly runs. This improves the running time per night, at the expense
271 of a slight increase in disk storage as unused pool files might not
272 be deleted for a couple of days. Controller by new config setting
273 $Conf{BackupPCNightlyPeriod}.
274
275 #------------------------------------------------------------------------
276 # Version 2.1.0beta0, 20 Mar 2004
277 #------------------------------------------------------------------------
278
279 * A failed full dump is now saved as a partial (incomplete) dump,
280 provided it includes some files. This can be used for browsing,
281 restoring etc, and will also form the basis of resuming full
282 dumps. Only one partial is kept, and it is removed as soon
283 as a successful full (or a new partial) is done.
284
285 * Added support for resuming a full dump for rsync. The partial
286 full is kept, and to resume an incremental is done against the
287 partial, and a full is done for the rest.
288
289 * Added support for Rsync checksum caching. Rsync checksum are
290 appended to the compressed pool files. This means that block
291 and file checksums do not need to be recomputed on the server
292 when using rsync. Requires a patch to rsync to support fixed
293 checksum seeds. This patch is included in the cygwin-rsyncd
294 release on http://backuppc.sourceforge.net.
295
296 * Major addition of Archive feature from Josh Marshall. Special
297 clients can be configured to be archive targets (eg: tape drives,
298 CD-R). Any subset of the backup clients can be selected and tar
299 archives are created, optionally compressed and split and written
300 to the output device. Logs are maintained and are browsable.
301
302 * Major changes from Ryan Kucera to add style sheets to the CGI
303 interface, allowing easy customization. Added new icons and
304 BackupPC logo. Numerous navigation improvements.
305
306 * Added directory history display to BackupPC_Admin, allowing the
307 user to quickly see which files changed between backups on a
308 per-directory basis.
309
310 * Added exponential expiry option for full dumps. This allows you
311 to specify
312
313 - how many fulls to keep at intervals of $Conf{FullPeriod}, followed by
314 - how many fulls to keep at intervals of 2 * $Conf{FullPeriod},
315 - how many fulls to keep at intervals of 4 * $Conf{FullPeriod},
316 - how many fulls to keep at intervals of 8 * $Conf{FullPeriod},
317 - how many fulls to keep at intervals of 16 * $Conf{FullPeriod},
318
319 and so on. This allows you, for example, to keep 4 weekly fulls,
320 followed by 6 fulls every 4 weeks (approx 1 month) and 2 fulls at
321 16 weeks, for roughly 1 year of history. This works by deleting
322 every other full as each expiry boundary is crossed. Suggested
323 by David Cramblett.
324
325 * Added Italian language translation it.pm from Lorenzo Cappelletti.
326
327 * Major updates to language files for new features and tags changes.
328 Updated makeDist to do pedantic consistency checking of language
329 files.
330
331 * Addition of administration options from Paul Lukins. Initial
332 page allows server to be started/stopped/reloaded. This still
333 needs some i18n work. Currently the server start/stop is
334 commented out.
335
336 * Split BackupPC_Admin into a set of modules, one for each major action.
337 Each action is now a seperate module in lib/BackupPC/CGI.
338
339 * Allow the blackout period begin/end to span midnight. Adapted
340 from patch submitted by David Smith.
341
342 * Allow multiple blackout periods, with new config variable
343 $Conf{BlackoutPeriods} that replaces the old variables
344 $Conf{BlackoutHourBegin}, $Conf{BlackoutHourEnd}, and
345 $Conf{BlackoutWeekDays}. Based on patch submitted by
346 Lorenzo Cappelletti.
347
348 * Disabled alarms after forks to avoid timeouts in children that
349 do not reset their alarm. Prompted by ideas from James Leu.
350
351 * Added options for block size, buffer size and share wild-card to
352 BackupPC_tarCreate. Also added negative backup number options
353 that are relative to the last (so -1 is the last), suggested by
354 William McKee and Carl Soderstrom.
355
356 * The "Wrong user" message in BackupPC::Lib now goes to stderr, so that
357 the user is more likely to see the error with BackupPC_tarCreate.
358 Reported by Paul Fox.
359
360 * Add creation of per-PC directory in BackupPC/CGI/Restore.pm in
361 case it doesn't already exist.
362
363 * Added -q -x to all ssh commands in conf/config.pl. Suggested by
364 SI Reasoning and Niranjan Ghate.
365
366 * Changed restore code so that option #1 (direct restore) can be
367 disabled if the restore command is undefined. Disabling direct
368 restore is necessary if the share is read-only. Suggested by
369 Rich B from SAIC.
370
371 * Changed regexp in lib/BackupPC/Smb.pm to allow numbers with both
372 a decimal point or comma for international versions of Samba.
373 Patch submitted by Frank Gard.
374
375 * Browsing and directory history now sort the files in a
376 case-insensitive manner.
377
378 * Changed exec() syntax to allow executing commands whose path
379 contains spaces.
380
381 * BackupPC_dump no longer removes backups if $Conf{FullKeepCnt}
382 is zero or undefined. The protects the existing backups in the
383 case of a bad config.pl file. Suggested by Christian Warden.
384
385 * Swapped the Server and Hosts sections on the Nav bar. Moved the
386 host search text box to the top of the hosts section. This was
387 done to move the variable-length part of the Nav bar (when all
388 hosts are displayed) to the bottom.
389
390 * Fixed a bug in tar restore related to how the common prefix path is
391 removed. Now ensure that the common path is at a directory boundary.
392 Reported by Patrick Neuner.
393
394 * Added --chuid ${USER} to init.d/src/gentoo-backuppc. Suggested by
395 SI Reasoning, Pascal Pochol, Michael Evanoff and others.
396
397 * Added Suse notes to init.d/README from Bruno Vernay.
398
399 * Added Apache 2 documentation fix from Michael Tuzi.
400
401 #------------------------------------------------------------------------
402 # Version 2.0.2, 6 Oct 2003
403 #------------------------------------------------------------------------
404
405 * Fixed stupid last-minute change in octal size conversion in
406 Backup_tarExtract.
407
408 #-----------------------------------------------------------------------
409 # Version 2.0.1, 5 Oct 2003
410 #------------------------------------------------------------------------
411
412 * Fixed handling of >= 8GB files in BackupPC_tarExtract and >= 4GB
413 files in BackupPC_tarCreate.
414
415 * Removed smbclient size repair in BackupPC_tarExtract for files
416 between 2GB and 4GB. This means that BackupPC_tarExtract 2.0.1
417 doesn't behave the same as 2.0.0 for file sizes between 2GB and 4GB
418 extacted using smbclient 2.2.x. If you have problems backing up
419 files whose size is between 2GB and 4GB using smbclient 2.2.x
420 you should upgrade smbclient to 3.0, since it now generates
421 correct file sizes.
422
423 * Replace PingClientPath with PingPath in configure.pl.
424
425 * Removed -T (taint mode) on binaries installed in configure.pl.
426
427 * Added support for smbclient from samba version 3.0.0.
428
429 * Fixed $Conf{HardLinkMax} limit check in BackupPC::Lib; reported
430 by Ross Skaliotis.
431
432 * In BackupPC_Admin, default REMOTE_USER to $Conf{BackupPCUser}
433 if it is not defined. This allows the CGI interface to work
434 when AdminUsers = '*'. Reported by Quentin Arce.
435
436 * For SMB, code that detected files with a read-locked region (eg:
437 outlook .pst files), removed them and then tried to link with an
438 earlier version was broken. This code missed a step of mangling
439 the file names. This is now fixed. Reported by Pierre Bourgin.
440
441 * A backup of a share that has zero files is now considered
442 fatal. This is used to catch miscellaneous Xfer errors that
443 result in no files being backed up. A new config parameter
444 $Conf{BackupZeroFilesIsFatal} (defaults to 1) and can be set to
445 zero to turn off this check. Suggested by Guillaume Filion.
446 Additional change: this check only applies to a full dump.
447
448 * SMB: now detect NT_STATUS_ACCESS_DENIED on entire share or BackupFilesOnly
449 (also ERRDOS - ERRnoaccess (Access denied.) for older versions of
450 smbclient.) Suggested by Guillaume Filion.
451
452 * SMB: now detects "tree connect failed: NT_STATUS_BAD_NETWORK_NAME" and
453 the dump is considered failed.
454
455 * Rsync: Previously BackupFilesOnly = '/' did --include '/' --exclude '/*',
456 which just included the '/' directory and nothing below. Now it
457 does just --include '/', which should include everything.
458 Reported by denon.
459
460 * Add hostError to DumpPostUserCmd variable substitutions for both dump
461 and restore.
462
463 * Verbose output in Lib.pm goes to STDERR, not STDOUT. This now
464 makes BackupPC_dump -v work better.
465
466 * Don't allow browsing with ".." in directory in case a user tries
467 to trick BackupPC_Admin into displaying directories outside where
468 they are allowed.
469
470 * Required File::RsyncP version is now 0.44, since File::RsyncP 0.44
471 fixes large file (>2GB) bugs. Large file bugs reported by Steve
472 Waltner.
473
474 #------------------------------------------------------------------------
475 # Version 2.0.0, 14 Jun 2003
476 #------------------------------------------------------------------------
477
478 * Minor tweaks to disable utf8 on utf8-capable machines (eg: RH8+).
479 Added "no utf8" to all programs, and added binmode() to relevant
480 file handles.
481
482 #------------------------------------------------------------------------
483 # Version 2.0.0beta3, 1 Jun 2003
484 #------------------------------------------------------------------------
485
486 * Several improvements to restore: cancel now reports the correct
487 message and cleans up correctly.
488
489 * Rsync with whitespace and wildcard excludes fixed by replacing
490 argList with argList+ in config.pl plus a fix to Lib.pm for
491 shell escaping array arguments.
492
493 * Fixed rsync restore for character and block special devices
494 (major and minor device numbers weren't correctly restored).
495
496 * Fixed typo in bin/BackupPC_restore (XferLOG -> RestoreLOG).
497
498 * (Re)-fixed "Bad command" in log file when restore via tar or zip
499 file download is done.
500
501 * Added untaint to exec in Lib.pm to avoid tainted errors.
502
503 * Applied additional tweak to hilight patch from Tim Demarest.
504
505 * $Conf{CgiAdminUsers} = '*' now allows privileged even with REMOTE_USER
506 not set.
507
508 * Don't display RsyncdPasswd when displaying config.pl files.
509
510 * Replace pipe with socketpair in bin/BackupPC_dump and bin/BackupPC_restore,
511 which increases typical buffering from 4K to 16K-64K. This improves the
512 performance.
513
514 * Add check on $ENV{LANG} setting do configure.pl: if LANG includes utf
515 then a warning is printed.
516
517 #------------------------------------------------------------------------
518 # Version 2.0.0beta2, 11 May 2003
519 #------------------------------------------------------------------------
520
521 * Added German translation, provided by Manfred Herrmann.
522
523 * Fixed large-file problem with rsync, reported by Manfred Herrmann.
524
525 * Fixed zip and tar file download from CGI under mod_perl. Reported
526 by Pierre Bourgin and Paul Lukins.
527
528 * Fixed directory browsing and top-level directory browsing in 2.0.0beta0.
529 Reported by several users.
530
531 * Added -v option to BackupPC_dump for verbose output (useful when
532 you run the command manually). Added messages for all exits.
533
534 * If nmblookup returns multiple IP addresses, NetBiosHostIPFind()
535 now returns the first IP address that matches the subnet mask.
536 Suggested by Tim Demarest.
537
538 * Fixed BackupPC::View so the top-level directory is handled correctly.
539 This allows the top-level share/directory to be restored via the
540 CGI interface. Reported by several users.
541
542 * Fixed RsyncFileIO failures on certain large files by replacing seek()
543 with sysseek(). Reported by Manfred Herrmann.
544
545 * Added configurable highlighting of PC status in the CGI summary
546 screen; submitted by Tim Demarest.
547
548 * Fixed command queue CGI display; submitted by Tim Demarest.
549
550 * BackupPC_trashClean now logs an error if it can't remove all the
551 trash and then goes back to sleep, rather than continually trying.
552
553 * Moved correct user (uid) check into BackupPC::Lib so that all
554 applications do a user check if $Cong{BackupPCUserVerify} is
555 set. The avoids the risk of manually running BackupPC_dump as
556 the wrong user.
557
558 * Loss of blackout now applies to "host not found" as well as no ping.
559 Reported by Dale Renton.
560
561 * "Host not found" is now treated in a similar manner to "no ping".
562
563 * Added suse-linux init.d script from Leon Letto.
564
565 * Added Gentoo linux init.d script from Tim Demarest.
566
567 * Applied additional i18n strings from GFK and the translation team.
568
569 * Fixed option parsing so that getopts errors are reported and we exit.
570
571 * Changed reporting of Xfer PIDs so that rsync cancel works correctly.
572
573 #------------------------------------------------------------------------
574 # Version 2.0.0beta1, 30 Mar 2003
575 #------------------------------------------------------------------------
576
577 * Added Spanish translation es.pm from Javier Gonzalez.
578
579 * Fixed CGI browse navigation bug that causes BackupPC_Admin to wedge
580 when directories were selected in a certain order.
581
582 * Fixed BackupPC::PoolWrite so that it can recover when the initial
583 file size is wrong. This is needed since rsync could write a file
584 whose size is different from the initial size returned in the
585 file list when that file is updated while rsync is running.
586
587 * Added binmode(STDIN) to BackupPC_tarExtract, suggested by Pat LoPresti
588 to fix a problem a RedHat8 with perl 5.8.0. It's unclear why this
589 helps, but it should be benign. See:
590 http://sourceforge.net/mailarchive/forum.php?thread_id=1853018&forum_id=503
591
592 #------------------------------------------------------------------------
593 # Version 2.0.0beta0, 23 Feb 2003
594 #------------------------------------------------------------------------
595
596 * Support for rsync and rsyncd backup and restore. Changes to
597 BackupPC_dump, BackupPC_restore, and new modules BackupPC::Xfer::Rsync
598 and BackupPC::Xfer::RsyncFileIO.
599
600 * Added internationalization (i18n) code from Xavier Nicollet,
601 with additions from Guillaume Filion. Voila! BackupPC_Admin
602 now supports English and French, and adding more languages is
603 now easy. New config paramater $Conf{Language} sets the language.
604
605 * Added optional user-defined pre/post dump/restore commands, allowing
606 things like database shutdown/startup for dumps.
607
608 * Changed the way hosts are found.
609
610 * Added $Conf{ClientNameAlias}, which allows the name of the physical
611 client machine to be set. This allows several different backup
612 "hosts" to all refer to the same physical machine, which is
613 convenient if several different types of data need to be backed
614 up, or if different parameters are needed for different parts of
615 the host.
616
617 * Replaced $Conf{PingArgs} with $Conf{PingCmd}, added $Conf{DfCmd},
618 $Conf{NmbLookupCmd} allowing all these commands to be fully
619 configured. Also, all commands can also now be fragments of
620 perl code.
621
622 * Moved all smbclient commands into the config.pl file so the specific
623 arguments can be customized. New config parameters are
624 $Conf{SmbClientFullCmd}, $Conf{SmbClientIncrCmd} and
625 $Conf{SmbClientRestoreCmd}.
626
627 * Added new BackupPC::View module that creates views of backups
628 (handling merging etc). Updated BackupPC_Admin, BackupPC_zipCreate
629 and BackupPC_tarCreate to use BackupPC::View. This removes lots
630 of merging and mangling code from the higher-level code.
631
632 * Added code from Toby Johnson that allows additional users to be
633 specified in the hosts file; these users can also view/start/stop
634 and restore backups for that host. Also added a new config
635 setting $Conf{CgiNavBarAdminAllHosts} that allows all hosts to
636 be listed in the left nav bar for admins.
637
638 * Added $Conf{HardLinkMax} (default 31999) which sets the limit on
639 the maximum number of hardlinks per file in the pool. If a file
640 ever gets to this number of links a new pool file is created to
641 handle additional links.
642
643 * Added $Conf{PerlModuleLoad}, which allows optional additional perl
644 modules to be loaded.
645
646 * Added $Conf{EMailUserDestDomain} and other EMail config settings to
647 allow language-specific default messages to be overridden.
648
649 * Added BPC_FTYPE_DELETED to lib/BackupPC/Attrib.pm, allowing deleted
650 files to be represented in the attrib file correctly.
651
652 * Added support for environment variable BPC_SMB_PASSWD, which is the
653 client's smb password. This overrides the old environment variable
654 PASSWD.
655
656 * Added taint cleanup for perl5.8 to lib/BackupPC/Lib.pm.
657
658 * Changed $tar_unpack_header format in BackupPC_tarExtract to correctly
659 handle files with trailing spaces.
660
661 * Added catching of SIG_PIPE to BackupPC_dump, and changed catch_signal
662 to ignore multiple signals of the same type.
663
664 * Added reporting of the largest number of hardlinks in the pool to the
665 log file.
666
667 * Adding reporting of syntax errors in the per-PC config.pl file.
668
669 * Updated BackupPC_sendEmail to handle language-specific email messages.
670
671 * Allow client (host) names to contain spaces. Spaces in host names
672 need to be escaped via "\" in the hosts file. The user of spaces in
673 host names is discouraged, but they should work. One feature that
674 doesn't work with host names that contain spaces is the highlighting
675 of that name in the log file display in the CGI interface. There are
676 no plans to fix this.
677
678 * Renamed $Conf{SmbClientTimeout} to $Conf{ClientTimeout}.
679
680 * Fixed all open() calls to use 3 argument form to fix handling of file
681 names with trailing whitespace. Also fixed CGI interface so these
682 file names are displayed correctly.
683
684 * Fixed new 2.0.0 CGI navigation bug that causes the top-level directory
685 to have a URL "&share=//boot&dir=" instead of "&share=/boot&dir=/".
686 Reported by Pascal Schelcher. Fixed similar problem reported by
687 Doug Lytle.
688
689 * Added "PerlTaintCheck On" to the mod_perl section in the docs,
690 suggested by Tim Demarest.
691
692 #------------------------------------------------------------------------
693 # Version 1.5.0, 2 Aug 2002
694 #------------------------------------------------------------------------
695
696 * Changed conf/config.pl so that $Conf{TarIncrArgs} uses the --newer
697 option instead of --newer-mtime. Also removed --atime-preserve from
698 $Conf{TarClientCmd}. This makes the default settings work better
699 with tripwire.
700
701 * Fixed configure.pl so it correctly detects a running BackupPC <= v1.4.0
702 so it can correctly warn the user to stop it before upgrading. Reported
703 by David Holland.
704
705 * Added missing ";" to entity escape in EscapeHTML in BackupPC_Admin.
706 Reported by Guillaume Filion.
707
708 * Added LDAP setup to documentation from David Holland.
709
710 * Tar.pm now adds a "." to file paths that start with "/", so that all
711 tar paths are relative. From Ludovic Drolez.
712
713 #------------------------------------------------------------------------
714 # Version 1.5.0beta0, 30 Jun 2002
715 #------------------------------------------------------------------------
716
717 * A full set of restore options is now supported, including direct
718 restore via smbclient or tar or downloading a zip or tar file.
719
720 * Major additions to CGI script to support better directory navigation,
721 restore features and mod_perl. Also, file downloads from the CGI
722 interface now correctly preserve the file name and provide the
723 correct Content-Type for the most common types of files. Improved
724 directory navigation was contributed by Ryan Kucera.
725
726 * New script BackupPC_zipCreate (contributed by Guillaume Filion) is the
727 zip analog of BackupPC_tarCreate. BackupPC_zipCreate can be used to
728 create a zip archive of any portion of a backup.
729
730 * Substantial additions to BackupPC_tarCreate to support restore,
731 including modifying path names, handling hardlinks, fixing
732 support of old backups without attributes (pre-v1.4.0). Plus
733 BackupPC_tarCreate is now an offical part of the release.
734 (Lack of support for hardlinks was reported by John Stanley.)
735
736 * BackupPC_tarExtract now supports hardlinks and fixed pooling of
737 attribute files.
738
739 * A unix domain socket is now used for communication between the CGI
740 interface and BackupPC. The original TCP socket is optional. Sockets
741 are correctly re-initialized if config.pl is updated with new socket
742 settings.
743
744 * For improved security messages over the unix or TCP socket are protected
745 via an MD5 digest based on a shared secret, a sequence number, a time
746 stamp and a unique per-connection number.
747
748 * Additions to configure.pl to support install of directory navigation
749 images.
750
751 * Fixed case where $Conf{BackupFilesOnly} or $Conf{BackupFilesExclude}
752 were set to a single string or list (in v1.4.0 only the case of
753 hash worked correctly). Reported by Phillip Bertolus.
754
755 * Fixed case of $Conf{BackoutGoodCnt} == 0. This setting now makes the
756 client always subject to blackout, matching the comments in config.pl.
757 Also fixed handling of $Conf{BackoutGoodCnt} < 0 in the CGI script
758 reported by Pascal Schelcher.
759
760 * Fixed byte and file totals for tar backups, reported by several users.
761
762 * Fixed --newer-mtime date/timestamp format to make it ISO 8601 compliant,
763 suggested by Erminio Baranzini.
764
765 * Fixed handling of $Conf{BackupFilesOnly} in BackupPC::Xfer::Tar.pm, as
766 well as shell escaping of tar arguments.
767
768 * Fixed entity encoding of 8-bit characters in the CGI interface.
769
770 * Added optional CGI headers in $Conf{CgiHeaders} that by default
771 is set to a no-cache pragma. Suggested by Benno Zuure.
772
773 #------------------------------------------------------------------------
774 # Version 1.4.0, 16 Mar 2002
775 #------------------------------------------------------------------------
776
777 * BackupPC now supports tar (in addition to smb) for extracting host
778 data. This is the most convenient option for linux/unix hosts.
779 Tar can be configured to run over ssh, rsh or to backup a local
780 nfs mount from the host.
781
782 * Support for special files, including symbolic links, fifo, character
783 and block device files has been added, so that all native linux/unix
784 file types can be correctly backed up when using tar transport.
785 Special files are all stored as regular files and the type attributes
786 are used to remember the original file type.
787
788 * All unix file attributes are now saved (and pooled when possible).
789 This includes user and group ownership, permissions, and modification
790 time. Smbclient also does a reasonable job of emulating unix
791 permissions (such as mtime), and these attributes get saved too.
792
793 * The new default is to not fill incremental dumps. configure.pl
794 automatically sets $Conf{IncrFill} to 0. The default was 1
795 (incrementals were filled with hardlinks). Since the CGI
796 script does filling at browsing time, there is no need to
797 fill incremental dumps.
798
799 * Backup file names are now stored in "mangled" form. Each node of a
800 path is preceded by "f", and special characters (\n, \r, % and /) are
801 URI-encoded as "%xx", where xx is the ascii character's hex value. So
802 c:/craig/example.txt is now stored as fc/fcraig/fexample.txt. This
803 was done mainly so meta-data could be stored alongside the backup
804 files without name collisions. In particular, the attributes for the
805 files in a directory are stored in a file called "attrib", and
806 mangling avoids file name collisions (I discarded the idea of having
807 a duplicate directory tree for every backup just to store the
808 attributes). Other meta-data (eg: rsync checksums) could be stored in
809 file names preceded by, eg, "c". There are two other benefits to
810 mangling: the share name might contain "/" (eg: "/home/craig" for tar
811 transport), and I wanted that represented as a single level in the
812 storage tree. Secondly, as files are written to NewFileList for later
813 processing by BackupPC_link, embedded newlines in the file's path
814 will cause problems which are avoided by mangling.
815
816 The CGI script undoes the mangling, so it is invisibe to the user.
817 Of course, old (unmangled) backups are still supported by the CGI
818 interface.
819
820 * Various changes to the CGI interface, BackupPC_Admin:
821
822 + Added button that allows users to manually start a full dump in
823 addition to the existing incremental dump.
824
825 + Added display of file attributes when browsing backups.
826
827 + Added an optional holdoff time specified by the user when canceling
828 a backup. BackupPC will not attempt any new backups for at least the
829 specified time. This holdoff time can be changed whether or not a
830 backup is running.
831
832 + Added supports for file mangling, and correct merging of unfilled
833 backups from mangled or unmangled (and compressed or uncompressed)
834 fulls when browsing or restoring.
835
836 + Only displays a "Start Incr Backup" button if there are already some
837 backups.
838
839 + For DHCP hosts, when a user tries to manually start a backup, add
840 a check for the netbios name of both the host the request came
841 from (REMOTE_ADDR) and the last known DHCP address for that host
842 to see if either address matches the host. If not, an error
843 message is display. The previous behavior was that only requests
844 from the client itself succeeded, and requests from other machines
845 quietly failed.
846
847 * Changed the version numbering to X.Y.Z, instead of X.0Y. This release
848 is 1.4.0. The first digit is for major new releases, the middle digit
849 is for significant feature releases and improvements, and the last
850 digit is for bug fixes. You should think of the old 1.00, 1.01, 1.02
851 and 1.03 as 1.0.0, ..., 1.3.0.
852
853 * BackupPC and the CGI script BackupPC_Admin now check that the effective
854 user id is correct to avoid accidentally launching BackupPC as the
855 wrong user or detecting CGI configuration problems. This behavior
856 can be turned off using the $Conf{BackupPCUserVerify} option.
857
858 * In numerous places changed "Smb" to "Xfer" (eg: log file names) to
859 support generic names for both smb and tar transport methods. The
860 CGI script checks for old names for backward compatibility.
861
862 * Major changed to Backup_dump to support new tar transport. All transport
863 specific code moved into BackupPC::Xfer::Smb and BackupPC::Xfer::Tar
864 objects.
865
866 * Added workaround for a bug in Samba's smbclient for files between 2GB
867 and 4GB. The file size in the tar header is incorrect. This allows
868 files up to 4GB to work with smbclient, rather than 2GB. To support
869 files larger than 2GB you must make sure perl is compiled with the
870 uselargefiles option (use "perl -V | egrep largefiles" to check) and
871 the pool directory must be on a file system that supports large files.
872
873 * Moved the pool writing code into a module BackupPC::PoolWrite. This
874 allows the clever file pool checking (digest, uncompressing, comparing
875 etc with minimum disk IO) to be used easily in multiple places (eg: it
876 is now used for writing attribute files so they can be pooled).
877
878 * Changed MD5 to Digest::MD5 to avoid use of the depreceated MD5 module.
879
880 * Shortened default $Conf{MyPath} so that perl's taint mode is more likely
881 to be happy. The old $Conf{MyPath} contained /usr/local/bin, which
882 on one user's machine was world writable and perl -T correctly
883 complained about it.
884
885 * Fixed ping command options in Lib.pm so that it works on OpenBSD.
886 Thanks to Kyle Amon for sending the fix. Decided to move the
887 ping options from Lib.pm into config.pl (as $Conf{PingArgs}) and
888 now configure.pl tries to come up with a sensible default based on
889 the OS.
890
891 * Fixed argument checking in BackupPC_tarExtract to allow '$' in the
892 share name (eg: C$). Thanks to Jules Agee for this fix. Also
893 changed the default config.pl so that single quotes are used
894 everywhere so that people don't get tripped up putting '$' inside
895 double-quoted strings.
896
897 #------------------------------------------------------------------------
898 # Version 1.03, 9 Dec 2001
899 #------------------------------------------------------------------------
900
901 * BackupPC now has full support for compression. There are now two
902 pool areas, the original pool for uncompressed files, and cpool for
903 compressed files. The compression is done by Compress::Zlib.
904 Compression reduces the pool disk usage by around 40%, although your
905 mileage may vary. Compression is optional and can also be specified on
906 a per-PC basis (although this will cost more pool storage since many
907 backup files will have to be stored in both compressed and
908 uncompressed forms.
909
910 * A new script, BackupPC_compressPool, can be run to compress the entire
911 pool. This is used once to migrate all the pool data from uncompressed
912 to compressed on existing installations. Read the documentation
913 (Installing BackupPC/Compressing an existing pool) before running
914 BackupPC_compressPool!
915
916 Alternatively, compression can simply be turned on and all new backups
917 will be compressed. Both old (uncompressed) and new (compressed)
918 backups can be browsed and viewed. Eventually, the old backups will
919 expire and all the pool data will be compressed. However, until the
920 old backups expire, this approach could require 60% or more additional
921 pool storage space to store both uncompressed and compressed versions
922 of the backup files.
923
924 * Significant improvements to the cgi interface, BackupPC_Admin:
925
926 - much better layout navigation
927 - handles compressed backup files and compressed log files
928 - handles unfilled incremental dumps
929 - better backup directory browsing navigation
930 - reports compression statistics
931 - $Conf{CgiDateFormatMMDD} allows you to set date format (MM/DD or DD/MM)
932 - Additional customization with $Conf{CgiHeaderFontType},
933 $Conf{CgiHeaderFontSize}, $Conf{CgiNavBarBgColor}, and
934 $Conf{CgiHeaderBgColor}.
935
936 * Eliminated BackupPC_queueAll. BackupPC directly reads the hosts
937 file and queues the PCs itself. Like config.pl, BackupPC will
938 re-read the hosts file on each wakeup if its modification time
939 changes, or upon a SIGHUP. This also makes for better behavior
940 when adding a host: if you add hosts, simply send a SIGHUP to
941 BackupPC or wait for the next wakeup.
942
943 * BackupPC_dump now compresses the SmbLOG file if compression is enabled.
944
945 * BackupPC_dump keeps track of compressed file sizes so that compression
946 statistics can be reported by the cgi interface.
947
948 * Aging of old log files now handles compressed log files (.z extension).
949
950 * Added configuration option $Conf{IncrFill} to specify whether
951 incremental dumps should be filled in. Old behavior was that
952 filling was on. Now it's optional. See config.pl for more
953 details.
954
955 * BackupPC_nightly now cleans and generates statistics for both
956 the uncompressed pool and compressed pool (cpool).
957
958 * Added new utility script BackupPC_zcat that can be used to
959 uncompresses BackupPC files.
960
961 * configure.pl offers various options related to compression,
962 depending upon whether this is a new install or upgrade,
963 and whether or not Compress::Zlib is installed.
964
965 * configure.pl now makes a backup copy of config.pl before
966 config.pl is updated.
967
968 * added three new fields to the backups file to handle optional
969 filling and compression stats.
970
971 * Added -e option to BackupPC_dump. BackupPC now invokes BackupPC_dump -e
972 on each dhcp host once each night to verify that very old backups are
973 expired. This ensures that very old backups are expired even if
974 the dhcp host has not been on the network for a long time.
975
976 * fixed bug in BackupPC::FileZIO.pm that required Compress::Zlib,
977 even if compression was off. Thanks to Steve Holmes for reporting
978 this.
979
980 * fixed bug that caused a BackupPC queue to get blocked when a backup
981 cancel attempt was made during the BackupPC_link phase.
982
983 #------------------------------------------------------------------------
984 # Version 1.02, 28 Oct 2001.
985 #------------------------------------------------------------------------
986
987 * Added new script BackupPC_tarExtract to extract the smbclient tar
988 archive. This reduces disk writes by perhaps 90-95% and disk reads by
989 50%. Previously, tar was used to extract and write everything to disk.
990 Then BackupPC_dump would read enough of each file to compute the MD5
991 digest, and then compare the full file with candidate pool files. So
992 for each 1MB file that matches a single file in the pool, there would
993 be 1MB of disk writes and 2MB of disk reads (to compare two 1MB files).
994
995 BackupPC_tarExtract instead extracts the archive using a 1MB memory
996 buffer. This allows the MD5 digest to be computed without touching the
997 disk. Next, any potential pool file compares are done by comparing the
998 pool file against the incoming tar data in memory, which only requires
999 the pool file to be read. So for each 1MB file that matches a single
1000 file in the pool, there are now no disk writes, and only 1MB of reads.
1001 BackupPC_tarExtract handles arbitrary size files and repeated
1002 potential pool matches. If the incoming file doesn't match the pool
1003 then it is written to disk (once the pool is mature this happens maybe
1004 5-10% of the time).
1005
1006 * Substantial changes to BackupPC_dump:
1007
1008 + BackupPC_tarExtract is now used in place of tar.
1009
1010 + BackupPC_dump now reads the output from both smbclient and
1011 BackupPC_tarExtract and merges them into SmbLOG.
1012
1013 + Named pipes are no longer used to connect smbclient to tar
1014 (now BackupPC_tarExtract). Regular pipes are used instead.
1015 This avoids the need to system mknod or mkfifo.
1016
1017 + Locked files on the client that can't be read by smbclient
1018 previously were filled with 0x0 bytes by smbclient, meaning
1019 tar extracted a useless file filled with 0x0 bytes. Now,
1020 BackupPC_dump watches the output of smbclient and removes
1021 any files that smbclient couldn't read. This avoids storing
1022 useless files. It tries to replace such files with a hard link
1023 to a previous dump. These actions appear in the log file.
1024
1025 * added new module lib/BackupPC/FileZIO.pm. This handles pool file
1026 I/O and is used by BackupPC_tarExtract. BackupPC::FileIO supports
1027 reading and writing compressed and regular files and provides all the
1028 hooks for compression support in BackupPC (should be supported in next
1029 version). BackupPC::FileIO also does efficient writing of files that
1030 contain leading 0x0 bytes (by seeking past the 0x0 bytes). This is
1031 helpful when smbclient reads a locked file, and it fills the tar
1032 output with a file of the correct size but all 0x0. Such files will be
1033 later removed by BackupPC_dump. But in the meantime, BackupPC::FileIO
1034 writes such files efficiently (as sparse files), meaning just a few
1035 blocks of disk space will be needed even if the file is large.
1036
1037 * alive/dead counting for blackout now works correctly for DHCP hosts.
1038
1039 * BackupPC resets activeJob on startup, to fix bug when BackupPC was
1040 killed and restarted with backups running.
1041
1042 * added extra non blocking select() in BackupPC to make sure the socket
1043 reads don't block.
1044
1045 * BackupPC avoids queuing multiple BackupPC_queueAll's on the CmdQueue.
1046
1047 * Updated BackupPC_sendEmail to correctly parse the locked file
1048 error from 2.2.1a smbclient, so that missing Outlook file emails
1049 can be correctly sent.
1050
1051 * Changed HostInfoRead() in lib/BackupPC/Lib.pm to lowercase the
1052 hostname read from the hosts file.
1053
1054 * BackupPC_Admin provides general summary when the host name is empty.
1055
1056 * configure.pl (and BackupPC) now requires perl 5.6.0 or later.
1057
1058 * configure.pl complains if BackupPC is already running, reminding you
1059 to stop it before upgrading.
1060
1061 * updated documentation, and fixed auto-insertion of config.pl into
1062 BackupPC.pod (previously the last config parameter was left out of
1063 BackupPC.pod).
1064
1065 #------------------------------------------------------------------------
1066 # Version 1.01, 30 Sep 2001
1067 #------------------------------------------------------------------------
1068
1069 * Documentation cleanup in README, doc/BackupPC.pod, conf/config.pl.
1070
1071 * BackupPC_sendMail now reads the optional per-PC config file, allowing
1072 email configuration parameters to be set on a per-PC basis.
1073
1074 * Removed the unused 4096-length MD5 digest code in lib/BackupPC/Lib.pm.
1075
1076 #------------------------------------------------------------------------
1077 # Version 1.00, 21 Sep 2001
1078 #------------------------------------------------------------------------
1079
1080 * Initial release of BackupPC on sourceforge.net.

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