1 #========================================================================
3 # ChangeLog - change log for BackupPC.
6 # Revision history for BackupPC, detailing significant changes between
7 # versions, most recent first.
10 # Craig Barratt <cbarratt@users.sourceforge.net>
12 #========================================================================
14 # Version __VERSION__, released __RELEASEDATE__.
16 # See http://backuppc.sourceforge.net.
18 #========================================================================
20 #------------------------------------------------------------------------
21 # Version __VERSION__, __RELEASEDATE__
22 #------------------------------------------------------------------------
24 * The CSS definition has been removed from the config.pl file and
25 is now a separate file, BackupPC_stnd.css. A new config variable,
26 $Conf{CgiCSSFile}, gives the name of the CSS file to use.
27 Suggested by Ender Mathias.
29 * Fixed the filling of the host name select box for admins.
30 The default $Conf{CgiNavBarAdminAllHosts} is now 1.
31 Reported by Doug Lytle.
33 * Cleaned up warning message for restore using rsync when checksum
34 caching is on, but when file didn't have cached checksums.
36 * Fixed BackupPC_archiveHost to support par2 (par2cmdline).
37 Patch submitted by Jaco Bongers and adapted by Josh Marshall.
39 * Improved stat() usage in BackupPC_nightly, plus some other cleanup,
40 giving a significant performance improvement. Patch submitted by
43 * Allow several BackupPC_nightly processes to run in parallel based
44 on new $Conf{MaxBackupPCNightlyJobs} setting. This speeds up the
45 traversal of the pool, reducing the overall run time for
48 * Allow BackupPC_nightly to split the pool traversal across several
49 nightly runs. This improves the running time per night, at the expense
50 of a slight increase in disk storage as unused pool files might not
51 be deleted for a couple of days. Controller by new config setting
52 $Conf{BackupPCNightlyPeriod}.
54 #------------------------------------------------------------------------
55 # Version 2.1.0beta0, 20 Mar 2004
56 #------------------------------------------------------------------------
58 * A failed full dump is now saved as a partial (incomplete) dump,
59 provided it includes some files. This can be used for browsing,
60 restoring etc, and will also form the basis of resuming full
61 dumps. Only one partial is kept, and it is removed as soon
62 as a successful full (or a new partial) is done.
64 * Added support for resuming a full dump for rsync. The partial
65 full is kept, and to resume an incremental is done against the
66 partial, and a full is done for the rest.
68 * Added support for Rsync checksum caching. Rsync checksum are
69 appended to the compressed pool files. This means that block
70 and file checksums do not need to be recomputed on the server
71 when using rsync. Requires a patch to rsync to support fixed
72 checksum seeds. This patch is included in the cygwin-rsyncd
73 release on http://backuppc.sourceforge.net.
75 * Major addition of Archive feature from Josh Marshall. Special
76 clients can be configured to be archive targets (eg: tape drives,
77 CD-R). Any subset of the backup clients can be selected and tar
78 archives are created, optionally compressed and split and written
79 to the output device. Logs are maintained and are browsable.
81 * Major changes from Ryan Kucera to add style sheets to the CGI
82 interface, allowing easy customization. Added new icons and
83 BackupPC logo. Numerous navigation improvements.
85 * Added directory history display to BackupPC_Admin, allowing the
86 user to quickly see which files changed between backups on a
89 * Added exponential expiry option for full dumps. This allows you
92 - how many fulls to keep at intervals of $Conf{FullPeriod}, followed by
93 - how many fulls to keep at intervals of 2 * $Conf{FullPeriod},
94 - how many fulls to keep at intervals of 4 * $Conf{FullPeriod},
95 - how many fulls to keep at intervals of 8 * $Conf{FullPeriod},
96 - how many fulls to keep at intervals of 16 * $Conf{FullPeriod},
98 and so on. This allows you, for example, to keep 4 weekly fulls,
99 followed by 6 fulls every 4 weeks (approx 1 month) and 2 fulls at
100 16 weeks, for roughly 1 year of history. This works by deleting
101 every other full as each expiry boundary is crossed. Suggested
104 * Added Italian language translation it.pm from Lorenzo Cappelletti.
106 * Major updates to language files for new features and tags changes.
107 Updated makeDist to do pedantic consistency checking of language
110 * Addition of administration options from Paul Lukins. Initial
111 page allows server to be started/stopped/reloaded. This still
112 needs some i18n work. Currently the server start/stop is
115 * Split BackupPC_Admin into a set of modules, one for each major action.
116 Each action is now a seperate module in lib/BackupPC/CGI.
118 * Allow the blackout period begin/end to span midnight. Adapted
119 from patch submitted by David Smith.
121 * Allow multiple blackout periods, with new config variable
122 $Conf{BlackoutPeriods} that replaces the old variables
123 $Conf{BlackoutHourBegin}, $Conf{BlackoutHourEnd}, and
124 $Conf{BlackoutWeekDays}. Based on patch submitted by
127 * Disabled alarms after forks to avoid timeouts in children that
128 do not reset their alarm. Prompted by ideas from James Leu.
130 * Added options for block size, buffer size and share wild-card to
131 BackupPC_tarCreate. Also added negative backup number options
132 that are relative to the last (so -1 is the last), suggested by
133 William McKee and Carl Soderstrom.
135 * Add creation of per-PC directory in BackupPC/CGI/Restore.pm in
136 case it doesn't already exist.
138 * Added -q -x to all ssh commands in conf/config.pl. Suggested by
139 SI Reasoning and Niranjan Ghate.
141 * Changed restore code so that option #1 (direct restore) can be
142 disabled if the restore command is undefined. Disabling direct
143 restore is necessary if the share is read-only. Suggested by
146 * Changed regexp in lib/BackupPC/Smb.pm to allow numbers with both
147 a decimal point or comma for international versions of Samba.
148 Patch submitted by Frank Gard.
150 * Browsing and directory history now sort the files in a
151 case-insensitive manner.
153 * Changed exec() syntax to allow executing commands whose path
156 * Swapped the Server and Hosts sections on the Nav bar. Moved the
157 host search text box to the top of the hosts section. This was
158 done to move the variable-length part of the Nav bar (when all
159 hosts are displayed) to the bottom.
161 * Fixed a bug in tar restore related to how the common prefix path is
162 removed. Now ensure that the common path is at a directory boundary.
163 Reported by Patrick Neuner.
165 * Added --chuid ${USER} to init.d/src/gentoo-backuppc. Suggested by
166 SI Reasoning, Pascal Pochol, Michael Evanoff and others.
168 * Added Suse notes to init.d/README from Bruno Vernay.
170 * Added Apache 2 documentation fix from Michael Tuzi.
172 #------------------------------------------------------------------------
173 # Version 2.0.2, 6 Oct 2003
174 #------------------------------------------------------------------------
176 * Fixed stupid last-minute change in octal size conversion in
179 #-----------------------------------------------------------------------
180 # Version 2.0.1, 5 Oct 2003
181 #------------------------------------------------------------------------
183 * Fixed handling of >= 8GB files in BackupPC_tarExtract and >= 4GB
184 files in BackupPC_tarCreate.
186 * Removed smbclient size repair in BackupPC_tarExtract for files
187 between 2GB and 4GB. This means that BackupPC_tarExtract 2.0.1
188 doesn't behave the same as 2.0.0 for file sizes between 2GB and 4GB
189 extacted using smbclient 2.2.x. If you have problems backing up
190 files whose size is between 2GB and 4GB using smbclient 2.2.x
191 you should upgrade smbclient to 3.0, since it now generates
194 * Replace PingClientPath with PingPath in configure.pl.
196 * Removed -T (taint mode) on binaries installed in configure.pl.
198 * Added support for smbclient from samba version 3.0.0.
200 * Fixed $Conf{HardLinkMax} limit check in BackupPC::Lib; reported
203 * In BackupPC_Admin, default REMOTE_USER to $Conf{BackupPCUser}
204 if it is not defined. This allows the CGI interface to work
205 when AdminUsers = '*'. Reported by Quentin Arce.
207 * For SMB, code that detected files with a read-locked region (eg:
208 outlook .pst files), removed them and then tried to link with an
209 earlier version was broken. This code missed a step of mangling
210 the file names. This is now fixed. Reported by Pierre Bourgin.
212 * A backup of a share that has zero files is now considered
213 fatal. This is used to catch miscellaneous Xfer errors that
214 result in no files being backed up. A new config parameter
215 $Conf{BackupZeroFilesIsFatal} (defaults to 1) and can be set to
216 zero to turn off this check. Suggested by Guillaume Filion.
217 Additional change: this check only applies to a full dump.
219 * SMB: now detect NT_STATUS_ACCESS_DENIED on entire share or BackupFilesOnly
220 (also ERRDOS - ERRnoaccess (Access denied.) for older versions of
221 smbclient.) Suggested by Guillaume Filion.
223 * SMB: now detects "tree connect failed: NT_STATUS_BAD_NETWORK_NAME" and
224 the dump is considered failed.
226 * Rsync: Previously BackupFilesOnly = '/' did --include '/' --exclude '/*',
227 which just included the '/' directory and nothing below. Now it
228 does just --include '/', which should include everything.
231 * Add hostError to DumpPostUserCmd variable substitutions for both dump
234 * Verbose output in Lib.pm goes to STDERR, not STDOUT. This now
235 makes BackupPC_dump -v work better.
237 * Don't allow browsing with ".." in directory in case a user tries
238 to trick BackupPC_Admin into displaying directories outside where
241 * Required File::RsyncP version is now 0.44, since File::RsyncP 0.44
242 fixes large file (>2GB) bugs. Large file bugs reported by Steve
245 #------------------------------------------------------------------------
246 # Version 2.0.0, 14 Jun 2003
247 #------------------------------------------------------------------------
249 * Minor tweaks to disable utf8 on utf8-capable machines (eg: RH8+).
250 Added "no utf8" to all programs, and added binmode() to relevant
253 #------------------------------------------------------------------------
254 # Version 2.0.0beta3, 1 Jun 2003
255 #------------------------------------------------------------------------
257 * Several improvements to restore: cancel now reports the correct
258 message and cleans up correctly.
260 * Rsync with whitespace and wildcard excludes fixed by replacing
261 argList with argList+ in config.pl plus a fix to Lib.pm for
262 shell escaping array arguments.
264 * Fixed rsync restore for character and block special devices
265 (major and minor device numbers weren't correctly restored).
267 * Fixed typo in bin/BackupPC_restore (XferLOG -> RestoreLOG).
269 * (Re)-fixed "Bad command" in log file when restore via tar or zip
270 file download is done.
272 * Added untaint to exec in Lib.pm to avoid tainted errors.
274 * Applied additional tweak to hilight patch from Tim Demarest.
276 * $Conf{CgiAdminUsers} = '*' now allows privileged even with REMOTE_USER
279 * Don't display RsyncdPasswd when displaying config.pl files.
281 * Replace pipe with socketpair in bin/BackupPC_dump and bin/BackupPC_restore,
282 which increases typical buffering from 4K to 16K-64K. This improves the
285 * Add check on $ENV{LANG} setting do configure.pl: if LANG includes utf
286 then a warning is printed.
288 #------------------------------------------------------------------------
289 # Version 2.0.0beta2, 11 May 2003
290 #------------------------------------------------------------------------
292 * Added German translation, provided by Manfred Herrmann.
294 * Fixed large-file problem with rsync, reported by Manfred Herrmann.
296 * Fixed zip and tar file download from CGI under mod_perl. Reported
297 by Pierre Bourgin and Paul Lukins.
299 * Fixed directory browsing and top-level directory browsing in 2.0.0beta0.
300 Reported by several users.
302 * Added -v option to BackupPC_dump for verbose output (useful when
303 you run the command manually). Added messages for all exits.
305 * If nmblookup returns multiple IP addresses, NetBiosHostIPFind()
306 now returns the first IP address that matches the subnet mask.
307 Suggested by Tim Demarest.
309 * Fixed BackupPC::View so the top-level directory is handled correctly.
310 This allows the top-level share/directory to be restored via the
311 CGI interface. Reported by several users.
313 * Fixed RsyncFileIO failures on certain large files by replacing seek()
314 with sysseek(). Reported by Manfred Herrmann.
316 * Added configurable highlighting of PC status in the CGI summary
317 screen; submitted by Tim Demarest.
319 * Fixed command queue CGI display; submitted by Tim Demarest.
321 * BackupPC_trashClean now logs an error if it can't remove all the
322 trash and then goes back to sleep, rather than continually trying.
324 * Moved correct user (uid) check into BackupPC::Lib so that all
325 applications do a user check if $Cong{BackupPCUserVerify} is
326 set. The avoids the risk of manually running BackupPC_dump as
329 * Loss of blackout now applies to "host not found" as well as no ping.
330 Reported by Dale Renton.
332 * "Host not found" is now treated in a similar manner to "no ping".
334 * Added suse-linux init.d script from Leon Letto.
336 * Added Gentoo linux init.d script from Tim Demarest.
338 * Applied additional i18n strings from GFK and the translation team.
340 * Fixed option parsing so that getopts errors are reported and we exit.
342 * Changed reporting of Xfer PIDs so that rsync cancel works correctly.
344 #------------------------------------------------------------------------
345 # Version 2.0.0beta1, 30 Mar 2003
346 #------------------------------------------------------------------------
348 * Added Spanish translation es.pm from Javier Gonzalez.
350 * Fixed CGI browse navigation bug that causes BackupPC_Admin to wedge
351 when directories were selected in a certain order.
353 * Fixed BackupPC::PoolWrite so that it can recover when the initial
354 file size is wrong. This is needed since rsync could write a file
355 whose size is different from the initial size returned in the
356 file list when that file is updated while rsync is running.
358 * Added binmode(STDIN) to BackupPC_tarExtract, suggested by Pat LoPresti
359 to fix a problem a RedHat8 with perl 5.8.0. It's unclear why this
360 helps, but it should be benign. See:
361 http://sourceforge.net/mailarchive/forum.php?thread_id=1853018&forum_id=503
363 #------------------------------------------------------------------------
364 # Version 2.0.0beta0, 23 Feb 2003
365 #------------------------------------------------------------------------
367 * Support for rsync and rsyncd backup and restore. Changes to
368 BackupPC_dump, BackupPC_restore, and new modules BackupPC::Xfer::Rsync
369 and BackupPC::Xfer::RsyncFileIO.
371 * Added internationalization (i18n) code from Xavier Nicollet,
372 with additions from Guillaume Filion. Voila! BackupPC_Admin
373 now supports English and French, and adding more languages is
374 now easy. New config paramater $Conf{Language} sets the language.
376 * Added optional user-defined pre/post dump/restore commands, allowing
377 things like database shutdown/startup for dumps.
379 * Changed the way hosts are found.
381 * Added $Conf{ClientNameAlias}, which allows the name of the physical
382 client machine to be set. This allows several different backup
383 "hosts" to all refer to the same physical machine, which is
384 convenient if several different types of data need to be backed
385 up, or if different parameters are needed for different parts of
388 * Replaced $Conf{PingArgs} with $Conf{PingCmd}, added $Conf{DfCmd},
389 $Conf{NmbLookupCmd} allowing all these commands to be fully
390 configured. Also, all commands can also now be fragments of
393 * Moved all smbclient commands into the config.pl file so the specific
394 arguments can be customized. New config parameters are
395 $Conf{SmbClientFullCmd}, $Conf{SmbClientIncrCmd} and
396 $Conf{SmbClientRestoreCmd}.
398 * Added new BackupPC::View module that creates views of backups
399 (handling merging etc). Updated BackupPC_Admin, BackupPC_zipCreate
400 and BackupPC_tarCreate to use BackupPC::View. This removes lots
401 of merging and mangling code from the higher-level code.
403 * Added code from Toby Johnson that allows additional users to be
404 specified in the hosts file; these users can also view/start/stop
405 and restore backups for that host. Also added a new config
406 setting $Conf{CgiNavBarAdminAllHosts} that allows all hosts to
407 be listed in the left nav bar for admins.
409 * Added $Conf{HardLinkMax} (default 31999) which sets the limit on
410 the maximum number of hardlinks per file in the pool. If a file
411 ever gets to this number of links a new pool file is created to
412 handle additional links.
414 * Added $Conf{PerlModuleLoad}, which allows optional additional perl
415 modules to be loaded.
417 * Added $Conf{EMailUserDestDomain} and other EMail config settings to
418 allow language-specific default messages to be overridden.
420 * Added BPC_FTYPE_DELETED to lib/BackupPC/Attrib.pm, allowing deleted
421 files to be represented in the attrib file correctly.
423 * Added support for environment variable BPC_SMB_PASSWD, which is the
424 client's smb password. This overrides the old environment variable
427 * Added taint cleanup for perl5.8 to lib/BackupPC/Lib.pm.
429 * Changed $tar_unpack_header format in BackupPC_tarExtract to correctly
430 handle files with trailing spaces.
432 * Added catching of SIG_PIPE to BackupPC_dump, and changed catch_signal
433 to ignore multiple signals of the same type.
435 * Added reporting of the largest number of hardlinks in the pool to the
438 * Adding reporting of syntax errors in the per-PC config.pl file.
440 * Updated BackupPC_sendEmail to handle language-specific email messages.
442 * Allow client (host) names to contain spaces. Spaces in host names
443 need to be escaped via "\" in the hosts file. The user of spaces in
444 host names is discouraged, but they should work. One feature that
445 doesn't work with host names that contain spaces is the highlighting
446 of that name in the log file display in the CGI interface. There are
447 no plans to fix this.
449 * Renamed $Conf{SmbClientTimeout} to $Conf{ClientTimeout}.
451 * Fixed all open() calls to use 3 argument form to fix handling of file
452 names with trailing whitespace. Also fixed CGI interface so these
453 file names are displayed correctly.
455 * Fixed new 2.0.0 CGI navigation bug that causes the top-level directory
456 to have a URL "&share=//boot&dir=" instead of "&share=/boot&dir=/".
457 Reported by Pascal Schelcher. Fixed similar problem reported by
460 * Added "PerlTaintCheck On" to the mod_perl section in the docs,
461 suggested by Tim Demarest.
463 #------------------------------------------------------------------------
464 # Version 1.5.0, 2 Aug 2002
465 #------------------------------------------------------------------------
467 * Changed conf/config.pl so that $Conf{TarIncrArgs} uses the --newer
468 option instead of --newer-mtime. Also removed --atime-preserve from
469 $Conf{TarClientCmd}. This makes the default settings work better
472 * Fixed configure.pl so it correctly detects a running BackupPC <= v1.4.0
473 so it can correctly warn the user to stop it before upgrading. Reported
476 * Added missing ";" to entity escape in EscapeHTML in BackupPC_Admin.
477 Reported by Guillaume Filion.
479 * Added LDAP setup to documentation from David Holland.
481 * Tar.pm now adds a "." to file paths that start with "/", so that all
482 tar paths are relative. From Ludovic Drolez.
484 #------------------------------------------------------------------------
485 # Version 1.5.0beta0, 30 Jun 2002
486 #------------------------------------------------------------------------
488 * A full set of restore options is now supported, including direct
489 restore via smbclient or tar or downloading a zip or tar file.
491 * Major additions to CGI script to support better directory navigation,
492 restore features and mod_perl. Also, file downloads from the CGI
493 interface now correctly preserve the file name and provide the
494 correct Content-Type for the most common types of files. Improved
495 directory navigation was contributed by Ryan Kucera.
497 * New script BackupPC_zipCreate (contributed by Guillaume Filion) is the
498 zip analog of BackupPC_tarCreate. BackupPC_zipCreate can be used to
499 create a zip archive of any portion of a backup.
501 * Substantial additions to BackupPC_tarCreate to support restore,
502 including modifying path names, handling hardlinks, fixing
503 support of old backups without attributes (pre-v1.4.0). Plus
504 BackupPC_tarCreate is now an offical part of the release.
505 (Lack of support for hardlinks was reported by John Stanley.)
507 * BackupPC_tarExtract now supports hardlinks and fixed pooling of
510 * A unix domain socket is now used for communication between the CGI
511 interface and BackupPC. The original TCP socket is optional. Sockets
512 are correctly re-initialized if config.pl is updated with new socket
515 * For improved security messages over the unix or TCP socket are protected
516 via an MD5 digest based on a shared secret, a sequence number, a time
517 stamp and a unique per-connection number.
519 * Additions to configure.pl to support install of directory navigation
522 * Fixed case where $Conf{BackupFilesOnly} or $Conf{BackupFilesExclude}
523 were set to a single string or list (in v1.4.0 only the case of
524 hash worked correctly). Reported by Phillip Bertolus.
526 * Fixed case of $Conf{BackoutGoodCnt} == 0. This setting now makes the
527 client always subject to blackout, matching the comments in config.pl.
528 Also fixed handling of $Conf{BackoutGoodCnt} < 0 in the CGI script
529 reported by Pascal Schelcher.
531 * Fixed byte and file totals for tar backups, reported by several users.
533 * Fixed --newer-mtime date/timestamp format to make it ISO 8601 compliant,
534 suggested by Erminio Baranzini.
536 * Fixed handling of $Conf{BackupFilesOnly} in BackupPC::Xfer::Tar.pm, as
537 well as shell escaping of tar arguments.
539 * Fixed entity encoding of 8-bit characters in the CGI interface.
541 * Added optional CGI headers in $Conf{CgiHeaders} that by default
542 is set to a no-cache pragma. Suggested by Benno Zuure.
544 #------------------------------------------------------------------------
545 # Version 1.4.0, 16 Mar 2002
546 #------------------------------------------------------------------------
548 * BackupPC now supports tar (in addition to smb) for extracting host
549 data. This is the most convenient option for linux/unix hosts.
550 Tar can be configured to run over ssh, rsh or to backup a local
551 nfs mount from the host.
553 * Support for special files, including symbolic links, fifo, character
554 and block device files has been added, so that all native linux/unix
555 file types can be correctly backed up when using tar transport.
556 Special files are all stored as regular files and the type attributes
557 are used to remember the original file type.
559 * All unix file attributes are now saved (and pooled when possible).
560 This includes user and group ownership, permissions, and modification
561 time. Smbclient also does a reasonable job of emulating unix
562 permissions (such as mtime), and these attributes get saved too.
564 * The new default is to not fill incremental dumps. configure.pl
565 automatically sets $Conf{IncrFill} to 0. The default was 1
566 (incrementals were filled with hardlinks). Since the CGI
567 script does filling at browsing time, there is no need to
568 fill incremental dumps.
570 * Backup file names are now stored in "mangled" form. Each node of a
571 path is preceded by "f", and special characters (\n, \r, % and /) are
572 URI-encoded as "%xx", where xx is the ascii character's hex value. So
573 c:/craig/example.txt is now stored as fc/fcraig/fexample.txt. This
574 was done mainly so meta-data could be stored alongside the backup
575 files without name collisions. In particular, the attributes for the
576 files in a directory are stored in a file called "attrib", and
577 mangling avoids file name collisions (I discarded the idea of having
578 a duplicate directory tree for every backup just to store the
579 attributes). Other meta-data (eg: rsync checksums) could be stored in
580 file names preceded by, eg, "c". There are two other benefits to
581 mangling: the share name might contain "/" (eg: "/home/craig" for tar
582 transport), and I wanted that represented as a single level in the
583 storage tree. Secondly, as files are written to NewFileList for later
584 processing by BackupPC_link, embedded newlines in the file's path
585 will cause problems which are avoided by mangling.
587 The CGI script undoes the mangling, so it is invisibe to the user.
588 Of course, old (unmangled) backups are still supported by the CGI
591 * Various changes to the CGI interface, BackupPC_Admin:
593 + Added button that allows users to manually start a full dump in
594 addition to the existing incremental dump.
596 + Added display of file attributes when browsing backups.
598 + Added an optional holdoff time specified by the user when canceling
599 a backup. BackupPC will not attempt any new backups for at least the
600 specified time. This holdoff time can be changed whether or not a
603 + Added supports for file mangling, and correct merging of unfilled
604 backups from mangled or unmangled (and compressed or uncompressed)
605 fulls when browsing or restoring.
607 + Only displays a "Start Incr Backup" button if there are already some
610 + For DHCP hosts, when a user tries to manually start a backup, add
611 a check for the netbios name of both the host the request came
612 from (REMOTE_ADDR) and the last known DHCP address for that host
613 to see if either address matches the host. If not, an error
614 message is display. The previous behavior was that only requests
615 from the client itself succeeded, and requests from other machines
618 * Changed the version numbering to X.Y.Z, instead of X.0Y. This release
619 is 1.4.0. The first digit is for major new releases, the middle digit
620 is for significant feature releases and improvements, and the last
621 digit is for bug fixes. You should think of the old 1.00, 1.01, 1.02
622 and 1.03 as 1.0.0, ..., 1.3.0.
624 * BackupPC and the CGI script BackupPC_Admin now check that the effective
625 user id is correct to avoid accidentally launching BackupPC as the
626 wrong user or detecting CGI configuration problems. This behavior
627 can be turned off using the $Conf{BackupPCUserVerify} option.
629 * In numerous places changed "Smb" to "Xfer" (eg: log file names) to
630 support generic names for both smb and tar transport methods. The
631 CGI script checks for old names for backward compatibility.
633 * Major changed to Backup_dump to support new tar transport. All transport
634 specific code moved into BackupPC::Xfer::Smb and BackupPC::Xfer::Tar
637 * Added workaround for a bug in Samba's smbclient for files between 2GB
638 and 4GB. The file size in the tar header is incorrect. This allows
639 files up to 4GB to work with smbclient, rather than 2GB. To support
640 files larger than 2GB you must make sure perl is compiled with the
641 uselargefiles option (use "perl -V | egrep largefiles" to check) and
642 the pool directory must be on a file system that supports large files.
644 * Moved the pool writing code into a module BackupPC::PoolWrite. This
645 allows the clever file pool checking (digest, uncompressing, comparing
646 etc with minimum disk IO) to be used easily in multiple places (eg: it
647 is now used for writing attribute files so they can be pooled).
649 * Changed MD5 to Digest::MD5 to avoid use of the depreceated MD5 module.
651 * Shortened default $Conf{MyPath} so that perl's taint mode is more likely
652 to be happy. The old $Conf{MyPath} contained /usr/local/bin, which
653 on one user's machine was world writable and perl -T correctly
656 * Fixed ping command options in Lib.pm so that it works on OpenBSD.
657 Thanks to Kyle Amon for sending the fix. Decided to move the
658 ping options from Lib.pm into config.pl (as $Conf{PingArgs}) and
659 now configure.pl tries to come up with a sensible default based on
662 * Fixed argument checking in BackupPC_tarExtract to allow '$' in the
663 share name (eg: C$). Thanks to Jules Agee for this fix. Also
664 changed the default config.pl so that single quotes are used
665 everywhere so that people don't get tripped up putting '$' inside
666 double-quoted strings.
668 #------------------------------------------------------------------------
669 # Version 1.03, 9 Dec 2001
670 #------------------------------------------------------------------------
672 * BackupPC now has full support for compression. There are now two
673 pool areas, the original pool for uncompressed files, and cpool for
674 compressed files. The compression is done by Compress::Zlib.
675 Compression reduces the pool disk usage by around 40%, although your
676 mileage may vary. Compression is optional and can also be specified on
677 a per-PC basis (although this will cost more pool storage since many
678 backup files will have to be stored in both compressed and
681 * A new script, BackupPC_compressPool, can be run to compress the entire
682 pool. This is used once to migrate all the pool data from uncompressed
683 to compressed on existing installations. Read the documentation
684 (Installing BackupPC/Compressing an existing pool) before running
685 BackupPC_compressPool!
687 Alternatively, compression can simply be turned on and all new backups
688 will be compressed. Both old (uncompressed) and new (compressed)
689 backups can be browsed and viewed. Eventually, the old backups will
690 expire and all the pool data will be compressed. However, until the
691 old backups expire, this approach could require 60% or more additional
692 pool storage space to store both uncompressed and compressed versions
695 * Significant improvements to the cgi interface, BackupPC_Admin:
697 - much better layout navigation
698 - handles compressed backup files and compressed log files
699 - handles unfilled incremental dumps
700 - better backup directory browsing navigation
701 - reports compression statistics
702 - $Conf{CgiDateFormatMMDD} allows you to set date format (MM/DD or DD/MM)
703 - Additional customization with $Conf{CgiHeaderFontType},
704 $Conf{CgiHeaderFontSize}, $Conf{CgiNavBarBgColor}, and
705 $Conf{CgiHeaderBgColor}.
707 * Eliminated BackupPC_queueAll. BackupPC directly reads the hosts
708 file and queues the PCs itself. Like config.pl, BackupPC will
709 re-read the hosts file on each wakeup if its modification time
710 changes, or upon a SIGHUP. This also makes for better behavior
711 when adding a host: if you add hosts, simply send a SIGHUP to
712 BackupPC or wait for the next wakeup.
714 * BackupPC_dump now compresses the SmbLOG file if compression is enabled.
716 * BackupPC_dump keeps track of compressed file sizes so that compression
717 statistics can be reported by the cgi interface.
719 * Aging of old log files now handles compressed log files (.z extension).
721 * Added configuration option $Conf{IncrFill} to specify whether
722 incremental dumps should be filled in. Old behavior was that
723 filling was on. Now it's optional. See config.pl for more
726 * BackupPC_nightly now cleans and generates statistics for both
727 the uncompressed pool and compressed pool (cpool).
729 * Added new utility script BackupPC_zcat that can be used to
730 uncompresses BackupPC files.
732 * configure.pl offers various options related to compression,
733 depending upon whether this is a new install or upgrade,
734 and whether or not Compress::Zlib is installed.
736 * configure.pl now makes a backup copy of config.pl before
737 config.pl is updated.
739 * added three new fields to the backups file to handle optional
740 filling and compression stats.
742 * Added -e option to BackupPC_dump. BackupPC now invokes BackupPC_dump -e
743 on each dhcp host once each night to verify that very old backups are
744 expired. This ensures that very old backups are expired even if
745 the dhcp host has not been on the network for a long time.
747 * fixed bug in BackupPC::FileZIO.pm that required Compress::Zlib,
748 even if compression was off. Thanks to Steve Holmes for reporting
751 * fixed bug that caused a BackupPC queue to get blocked when a backup
752 cancel attempt was made during the BackupPC_link phase.
754 #------------------------------------------------------------------------
755 # Version 1.02, 28 Oct 2001.
756 #------------------------------------------------------------------------
758 * Added new script BackupPC_tarExtract to extract the smbclient tar
759 archive. This reduces disk writes by perhaps 90-95% and disk reads by
760 50%. Previously, tar was used to extract and write everything to disk.
761 Then BackupPC_dump would read enough of each file to compute the MD5
762 digest, and then compare the full file with candidate pool files. So
763 for each 1MB file that matches a single file in the pool, there would
764 be 1MB of disk writes and 2MB of disk reads (to compare two 1MB files).
766 BackupPC_tarExtract instead extracts the archive using a 1MB memory
767 buffer. This allows the MD5 digest to be computed without touching the
768 disk. Next, any potential pool file compares are done by comparing the
769 pool file against the incoming tar data in memory, which only requires
770 the pool file to be read. So for each 1MB file that matches a single
771 file in the pool, there are now no disk writes, and only 1MB of reads.
772 BackupPC_tarExtract handles arbitrary size files and repeated
773 potential pool matches. If the incoming file doesn't match the pool
774 then it is written to disk (once the pool is mature this happens maybe
777 * Substantial changes to BackupPC_dump:
779 + BackupPC_tarExtract is now used in place of tar.
781 + BackupPC_dump now reads the output from both smbclient and
782 BackupPC_tarExtract and merges them into SmbLOG.
784 + Named pipes are no longer used to connect smbclient to tar
785 (now BackupPC_tarExtract). Regular pipes are used instead.
786 This avoids the need to system mknod or mkfifo.
788 + Locked files on the client that can't be read by smbclient
789 previously were filled with 0x0 bytes by smbclient, meaning
790 tar extracted a useless file filled with 0x0 bytes. Now,
791 BackupPC_dump watches the output of smbclient and removes
792 any files that smbclient couldn't read. This avoids storing
793 useless files. It tries to replace such files with a hard link
794 to a previous dump. These actions appear in the log file.
796 * added new module lib/BackupPC/FileZIO.pm. This handles pool file
797 I/O and is used by BackupPC_tarExtract. BackupPC::FileIO supports
798 reading and writing compressed and regular files and provides all the
799 hooks for compression support in BackupPC (should be supported in next
800 version). BackupPC::FileIO also does efficient writing of files that
801 contain leading 0x0 bytes (by seeking past the 0x0 bytes). This is
802 helpful when smbclient reads a locked file, and it fills the tar
803 output with a file of the correct size but all 0x0. Such files will be
804 later removed by BackupPC_dump. But in the meantime, BackupPC::FileIO
805 writes such files efficiently (as sparse files), meaning just a few
806 blocks of disk space will be needed even if the file is large.
808 * alive/dead counting for blackout now works correctly for DHCP hosts.
810 * BackupPC resets activeJob on startup, to fix bug when BackupPC was
811 killed and restarted with backups running.
813 * added extra non blocking select() in BackupPC to make sure the socket
816 * BackupPC avoids queuing multiple BackupPC_queueAll's on the CmdQueue.
818 * Updated BackupPC_sendEmail to correctly parse the locked file
819 error from 2.2.1a smbclient, so that missing Outlook file emails
820 can be correctly sent.
822 * Changed HostInfoRead() in lib/BackupPC/Lib.pm to lowercase the
823 hostname read from the hosts file.
825 * BackupPC_Admin provides general summary when the host name is empty.
827 * configure.pl (and BackupPC) now requires perl 5.6.0 or later.
829 * configure.pl complains if BackupPC is already running, reminding you
830 to stop it before upgrading.
832 * updated documentation, and fixed auto-insertion of config.pl into
833 BackupPC.pod (previously the last config parameter was left out of
836 #------------------------------------------------------------------------
837 # Version 1.01, 30 Sep 2001
838 #------------------------------------------------------------------------
840 * Documentation cleanup in README, doc/BackupPC.pod, conf/config.pl.
842 * BackupPC_sendMail now reads the optional per-PC config file, allowing
843 email configuration parameters to be set on a per-PC basis.
845 * Removed the unused 4096-length MD5 digest code in lib/BackupPC/Lib.pm.
847 #------------------------------------------------------------------------
848 # Version 1.00, 21 Sep 2001
849 #------------------------------------------------------------------------
851 * Initial release of BackupPC on sourceforge.net.