dbackup 46.9 KB
Newer Older
Nigel Kukard's avatar
Nigel Kukard committed
1
#!/usr/bin/perl -w
Nigel Kukard's avatar
Nigel Kukard committed
2
# Copyright (c) 2010-2014, AllWorldIT
Nigel Kukard's avatar
Nigel Kukard committed
3
#
Nigel Kukard's avatar
Nigel Kukard committed
4
5
6
7
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
Nigel Kukard's avatar
Nigel Kukard committed
8
#
Nigel Kukard's avatar
Nigel Kukard committed
9
10
11
12
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
Nigel Kukard's avatar
Nigel Kukard committed
13
#
Nigel Kukard's avatar
Nigel Kukard committed
14
15
16
17
18
19
20
21
22
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#
# Author: Nigel Kukard <nkukard@lbsd.net>


# TODO:
# - USE incremental backups!!!! fucking awesome
23
24
25
26
#
# - Read in defaultSystemExcl extras from /proc/mounts
# - proc, nfs, nfs4, fusectl fuse.glusterfs, sysfs, tmpfs, devtmpfs, devpts
#
Nigel Kukard's avatar
Nigel Kukard committed
27
28
29
30


use strict;
use Compress::Zlib;
31
use Config::IniFiles;
Nigel Kukard's avatar
Nigel Kukard committed
32
33
34
35
36
37
use Cwd;
use Fcntl qw (:mode);
use File::Find;
use File::Path qw( rmtree mkpath );
use File::Spec;
use Getopt::Long;
38
use POSIX qw (strftime lchown);
Nigel Kukard's avatar
Nigel Kukard committed
39
40
41
42
43
use Data::Dumper;
use MIME::Base64;



Nigel Kukard's avatar
Nigel Kukard committed
44
my $VERSION = "0.0.x";
Nigel Kukard's avatar
Nigel Kukard committed
45
# System dirs we don't care about
46
my @defaultSystemExcl = ("/dev","/run","/proc","/sys","/misc","/media","/mnt");
Nigel Kukard's avatar
Nigel Kukard committed
47
# These should be backed up separately
48
my @defaultDataExcl = (
49
		# We cannot backup the DB reliably by just copying files
50
51
		# NK: Unless if we snapshotting the FS first
		#"/var/lib/mysql","/var/lib/pgsql",
52
53

		# Exclude amavis working files
54
		"/var/amavis/tmp/",
55
56
57
		"/var/lib/amavis/tmp/",
		"/var/spool/amavis/virusmails/",

58
		"/var/spool/mailman/retry",
59
60
61
62
		# Exclude postfix queues
		"/var/spool/postfix/active",
		"/var/spool/postfix/defer",
		"/var/spool/postfix/deferred",
63
		"/var/spool/postfix/public",
64
		"/var/spool/postfix/private",
65
		# Exclude squid cache
66
		"/var/spool/squid",
67
68
69
70
71
72
73

		# Yum cache
		"/var/cache/yum",
		# Apt cache
		"/var/cache/apt/archives",

		# cPanel
74
75
76
77
78
		"/home/virtfs",

		# Temporary dirs
		"/tmp",
		"/var/tmp"
79
);
Nigel Kukard's avatar
Nigel Kukard committed
80

81

Nigel Kukard's avatar
Nigel Kukard committed
82
# Backup constants
Nigel Kukard's avatar
Nigel Kukard committed
83
use constant {
Nigel Kukard's avatar
Nigel Kukard committed
84
85
	LOG_DEBUG => 5,
	LOG_INFO => 4,
Nigel Kukard's avatar
Nigel Kukard committed
86
	LOG_NOTICE => 3,
Nigel Kukard's avatar
Nigel Kukard committed
87
88
	LOG_WARNING => 2,
	LOG_ERROR => 1
Nigel Kukard's avatar
Nigel Kukard committed
89
90
};

Nigel Kukard's avatar
Nigel Kukard committed
91
use constant {
Nigel Kukard's avatar
Nigel Kukard committed
92
93
94
95
96
97
	ST_FILE_CHANGED => 1,
	ST_DIR_NEW => 2,
	ST_DIR_SYS => 4,
	ST_DIR_CHANGED => 8,
	ST_FILE_ATTR_CHANGED => 16,
	ST_FILE_NEW => 32
Nigel Kukard's avatar
Nigel Kukard committed
98
99
100
};


101
102
# Main config
my %config = (
103
104
105
	'log-level' => LOG_NOTICE,
	'tar' => 'tar',
	'exclude-system' => 0,
106
	'exclude-data' => 0,
107
108
	'backup-upgrade' => 0,
	'compress' => "bzip2"
109
110
);
# Choose default compression method
111
if (checkPATH("xz")) {
112
113
114
115
116
	$config{'compress'} = "xz";
}



Nigel Kukard's avatar
Nigel Kukard committed
117
print(STDERR "AWIT-DBackup v$VERSION, Copyright (c) 2010-2014, AllWorldIT\n\n");
Nigel Kukard's avatar
Nigel Kukard committed
118
119
120
121
122
123
124


# Grab options
my %optctl = ();
GetOptions(\%optctl,
	"help",

125
	"config=s",
Nigel Kukard's avatar
Nigel Kukard committed
126
	"log-level=i",
127
	"tar=s",
Nigel Kukard's avatar
Nigel Kukard committed
128
	"manifest-format=s",
129

Nigel Kukard's avatar
Nigel Kukard committed
130
	"backup",
Nigel Kukard's avatar
Nigel Kukard committed
131
	"backup-upgrade",
Nigel Kukard's avatar
Nigel Kukard committed
132
133
	"compress:s",
	"exclude-system",
134
135
	"system-base=s@",
	"system-dir=s@",
Nigel Kukard's avatar
Nigel Kukard committed
136

137
138
	"tar-ignore-failed-read=s@",

Nigel Kukard's avatar
Nigel Kukard committed
139
	"exclude-data",
140
	"data-dir=s@",
Nigel Kukard's avatar
Nigel Kukard committed
141

142
143
	"exclude-file=s@",
	"exclude-path=s@",
Nigel Kukard's avatar
Nigel Kukard committed
144

145
146
	"exclude-fs-type=s@",

Nigel Kukard's avatar
Nigel Kukard committed
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
	"restore",
	"tar-keep-newer",
	"tar-keep-old-files",
);

# Check for help
if (defined($optctl{'help'})) {
	displayHelp();
	exit 0;
}

# Check for invalid combination
if (defined($optctl{'backup'}) && defined($optctl{'restore'})) {
	print(STDERR "ERROR: Cannot backup AND restore at the same time\n\n");
	displayHelp();
	exit 1;
}

# Make sure we only have 2 additional args
if (@ARGV > 2 || @ARGV < 2) {
		print(STDERR "ERROR: Invalid number of arguments\n\n");
		displayHelp();
		exit 1;
}

# Check both dirs exist...
if (! -d $ARGV[0]) {
	print(STDERR "ERROR: Source directory '".$ARGV[0]."' does not exist!\n\n");
	exit 1;
}
if (! -d $ARGV[1]) {
	print(STDERR "ERROR: Destination directory '".$ARGV[1]."' does not exist!\n\n");
	exit 1;
}

182
183
184
185
186
187
188
189
190
191
192
193
# If backup file is specified and it does not exist, throw an error
if (defined($optctl{'config'}) && ! -f $optctl{'config'}) {
	print(STDERR "ERROR: Configuration file '".$optctl{'config'}."' NOT found!\n");
	exit 1;
}
# Check config file was specified, if not set default
my $configFile;
if (!defined($configFile = $optctl{'config'})) {
	$configFile = "/etc/dbackup.conf";
}
# If we have a config file, read it in
if (-f $configFile) {
Nigel Kukard's avatar
Nigel Kukard committed
194
	# Use config file, ignore case
195
196
197
198
199
200
201
202
203
204
205
	tie my %inifile, 'Config::IniFiles', (
			-file => $optctl{'config'},
			-nocase => 1
	) or die "Failed to open config file '".$optctl{'config'}."': ".join("\n",@Config::IniFiles::errors);

	# Check if we actually have something...
	if (defined($inifile{'backup'})) {
		# Loop with config items
		foreach my $item (keys %{$inifile{'backup'}}) {
			$config{$item} = $inifile{'backup'}{$item};
		}
206
207
208
	}
}

209
210
211
#
# Process config
#
212
if (!defined($config{'system-base'})) {
213
	# Quick hack to see if we have a cmdline option
214
215
	if (!defined($optctl{'system-base'})) {
		$config{'system-base'} = ["/"];
216
	} else {
217
		$config{'system-base'} = [];
218
219
	}
} else {
220
221
222
223
224
225
226
	$config{'system-base'} = toArray($config{'system-base'});
}

if (!defined($config{'system-dir'})) {
	$config{'system-dir'} = [];
} else {
	$config{'system-dir'} = toArray($config{'system-dir'});
227
228
}

229
230
231
232
233
234
if (!defined($config{'tar-ignore-failed-read'})) {
	$config{'tar-ignore-failed-read'} = [];
} else {
	$config{'tar-ignore-failed-read'} = toArray($config{'tar-ignore-failed-read'});
}

235
236
if (!defined($config{'data-dir'})) {
	$config{'data-dir'} = [];
237
} else {
238
	$config{'data-dir'} = toArray($config{'data-dir'});
239
240
}

241
242
if (!defined($config{'exclude-file'})) {
	$config{'exclude-file'} = [];
243
} else {
244
	$config{'exclude-file'} = toArray($config{'exclude-file'});
245
246
}

247
248
if (!defined($config{'exclude-path'})) {
	$config{'exclude-path'} = [];
249
} else {
250
	$config{'exclude-path'} = toArray($config{'exclude-path'});
251
252
}

253
254
255
256
257
258
259
260
261
262
if (!defined($config{'exclude-fs-type'})) {
	$config{'exclude-fs-type'} = [];
} else {
	$config{'exclude-fs-type'} = toArray($config{'exclude-fs-type'});
}


#
# Check commandline options
#
263

Nigel Kukard's avatar
Nigel Kukard committed
264
265
266
267
if (defined($optctl{'backup-upgrade'})) {
	$config{'backup-upgrade'} = 1;
}

Nigel Kukard's avatar
Nigel Kukard committed
268
269
270
271
272
273
274
275
276
277
278
if (defined($optctl{'compress'})) {
	# Why use --compress with --restore?
	if (defined($optctl{'restore'})) {
		print(STDERR "WARNING: The use of --compress with --restore does not make sense\n");
	}

	# Make sure its valid
	if (
				$optctl{'compress'} ne "xz" &&
				$optctl{'compress'} ne "bzip2" &&
				$optctl{'compress'} ne "gzip" &&
279
				$optctl{'compress'} ne "lz" &&
Nigel Kukard's avatar
Nigel Kukard committed
280
				$optctl{'compress'} ne "none"
Nigel Kukard's avatar
Nigel Kukard committed
281
	) {
282
		print(STDERR "ERROR: Compression is invalid, valid values are: xz bzip2 gzip lz none\n\n");
Nigel Kukard's avatar
Nigel Kukard committed
283
284
285
		displayHelp();
		exit 1;
	}
286
	$config{'compress'} = $optctl{'compress'};
Nigel Kukard's avatar
Nigel Kukard committed
287
288
}

289
290
291
292
293
294
295
296
297
298
if (defined($optctl{'tar'})) {
	# Check if tar is executable
	if ( -x $optctl{'tar'}) {
		$config{'tar'} = $optctl{'tar'};
	} else {
		print(STDERR "ERROR: tar '".$optctl{'tar'}."' does not exist or is not executable\n");
	}
}
my $tarVer = getTarVer($config{'tar'});

299
300
301
if (defined($optctl{'log-level'})) {
	$config{'log-level'} = $optctl{'log-level'};
}
302

Nigel Kukard's avatar
Nigel Kukard committed
303
304
305
306
if (defined($optctl{'manifest-format'})) {
	if (
				$optctl{'manifest-format'} ne "null" &&
				$optctl{'manifest-format'} ne "newline"
Nigel Kukard's avatar
Nigel Kukard committed
307
	) {
Nigel Kukard's avatar
Nigel Kukard committed
308
309
310
311
312
313
314
		print(STDERR "ERROR: Manifest format is invalid, valid values are: null newline\n\n");
		displayHelp();
		exit 1;
	}
	$config{'manifest-format'} = $optctl{'manifest-format'};
}

315
316
317
if (defined($optctl{'exclude-system'})) {
	$config{'exclude-system'} = 1;
}
318

319
320
321
322
if (defined($optctl{'exclude-data'})) {
	$config{'exclude-data'} = 1;
}

323
324
if (defined($optctl{'system-base'})) {
	push(@{$config{'system-base'}},@{$optctl{'system-base'}});
Nigel Kukard's avatar
Nigel Kukard committed
325
}
326

327
328
if (defined($optctl{'system-dir'})) {
	push(@{$config{'system-dir'}},@{$optctl{'system-dir'}});
Nigel Kukard's avatar
Nigel Kukard committed
329
}
330

331
332
333
334
if (defined($optctl{'tar-ignore-failed-read'})) {
	push(@{$config{'tar-ignore-failed-read'}},@{$optctl{'tar-ignore-failed-read'}});
}

335
336
if (defined($optctl{'data-dir'})) {
	push(@{$config{'data-dir'}},@{$optctl{'data-dir'}});
337
}
338

339
340
341
if (defined($optctl{'exclude-file'})) {
	push(@{$config{'exclude-file'}},@{$optctl{'exclude-file'}});
}
342

343
344
if (defined($optctl{'exclude-path'})) {
	push(@{$config{'exclude-path'}},@{$optctl{'exclude-path'}});
Nigel Kukard's avatar
Nigel Kukard committed
345
346
}

347
348
349
350
351
352
if (defined($optctl{'exclude-fs-type'})) {
	push(@{$config{'exclude-fs-type'}},@{$optctl{'exclude-fs-type'}});
}

if (@{$config{'exclude-fs-type'}} > 0) {
	# Pull in mounts
Nigel Kukard's avatar
Nigel Kukard committed
353
	open(my $fh,"<","/proc/mounts")
354
			or die "ERROR: Failed to open '/proc/mounts': $!";
Nigel Kukard's avatar
Nigel Kukard committed
355
	while (my $line = <$fh>) {
356
357
358
359
360
361
362
363
364
365
		chomp($line);
		# Split off items we need
		my (undef,$path,$type) = split(/\s+/,$line);
		# Loop with types and check
		foreach my $item (@{$config{'exclude-fs-type'}}) {
			if ($item eq $type) {
				push(@{$config{'exclude-path'}},$path);
			}
		}
	}
Nigel Kukard's avatar
Nigel Kukard committed
366
	close($fh);
367
368
}

369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
# Look for parallel versions of the compression program we going to use
$config{'compress-gzip'} = "gzip";
if (checkPATH("pigz")) {
	$config{'compress-gzip'} = "pigz";
}
$config{'compress-bzip2'} = "bzip2";
if (checkPATH("pbzip2")) {
	$config{'compress-bzip2'} = "pbzip2";
} elsif (checkPATH("lbzip2")) {
	$config{'compress-lbzip2'} = "lbzip2";
}
$config{'compress-xz'} = "xz";
if (checkPATH("pxz")) {
	$config{'compress-xz'} = "pxz";
} elsif (checkPATH("pixz")) {
	$config{'compress-xz'} = "pixz";
}
$config{'compress-lz'} = "clzip";
Nigel Kukard's avatar
Nigel Kukard committed
387
if (checkPATH("plzip")) {
388
	$config{'compress-lz'} = "plzip";
Nigel Kukard's avatar
Nigel Kukard committed
389
390
} elsif (checkPATH("pdlzip")) {
	$config{'compress-lz'} = "pdlzip";
391
392
}

Nigel Kukard's avatar
Nigel Kukard committed
393

Nigel Kukard's avatar
Nigel Kukard committed
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
# Sanitize the source and dest
my $sourceDir = File::Spec->rel2abs($ARGV[0]);
my $destDir = File::Spec->rel2abs($ARGV[1]);


# Backup function
sub backup
{
	our ($source,$dest) = @_;


	# State infor for current dir
	our %doBackup;
	our %srcFileList;
	our %srcDirList;
	# Original .state file read in during backup
	our %origFileList;
	our %origDirList;
	our %origPathAttribs;
	# New attributes
	our %newPathAttribs;


	# Preprocess dir
	sub backup_preprocess {
		my @list = @_;

		# Strip first part of the path
		(my $path = $File::Find::dir) =~ s#^$source/?##;

		# Check if this dir should be backed up or not....
		if ( -f "$source/$path/.nodbackup" ) {
Nigel Kukard's avatar
Nigel Kukard committed
426
			printLog(LOG_INFO,"S: Path '[$source]/($path)' EXCLUDED from backup with .nodbackup\n");
Nigel Kukard's avatar
Nigel Kukard committed
427
428
429
430
			return ();
		}
		# Exclude trash folders
		if ( "$source/$path" =~ /(\.Trash-[0-9]{4})$/) {
Nigel Kukard's avatar
Nigel Kukard committed
431
			printLog(LOG_INFO,"S: Path '[$source]/($path)' EXCLUDED from backup, Linux trash folder\n");
Nigel Kukard's avatar
Nigel Kukard committed
432
433
434
435
436
437
438
439
440
441
			return ();
		}

		# Make sure even if we processing empty dirs that we actually record it
		if (!defined($srcFileList{$path})) {
			# Just set to empty hash ref
			$srcFileList{$path} = {};
		}

		# Exclude system directories
442
		if ($config{'exclude-system'}) {
Nigel Kukard's avatar
Nigel Kukard committed
443
			# Loop through system dirs
444
			foreach my $sysdir (@{$config{'system-base'}}) {
Nigel Kukard's avatar
Nigel Kukard committed
445
				# Loop with system paths
446
				foreach my $excl (@defaultSystemExcl,@{$config{'system-dir'}}) {
Nigel Kukard's avatar
Nigel Kukard committed
447
					# Sanitize path
448
					my $testPath = File::Spec->rel2abs("$sysdir/$excl");
Nigel Kukard's avatar
Nigel Kukard committed
449
					# Check...
450
					if ("/$path" eq $testPath) {
Nigel Kukard's avatar
Nigel Kukard committed
451
						printLog(LOG_INFO,"S: Path '[$source]/($path)' is a system directory, ignoring files\n");
Nigel Kukard's avatar
Nigel Kukard committed
452
453
454
455
						$doBackup{$path} |= ST_DIR_SYS;
						return ();
					}
				}
456
457
458
			}
		}
		# Check if we excluding data dirs
459
		if ($config{'exclude-data'}) {
460
461
462
463
464
465
466
467
468
469
470
471
			# Loop through system dirs
			foreach my $sysdir (@{$config{'system-base'}}) {
				# Loop with data dirs
				foreach my $excl (@defaultDataExcl,@{$config{'data-dir'}}) {
					# Sanitize path
					my $testPath = File::Spec->rel2abs("$sysdir/$excl");
					# Check...
					if ("/$path" eq $testPath) {
						printLog(LOG_INFO,"S: Path '[$source]/($path)' is a data directory, ignoring files\n");
						$doBackup{$path} |= ST_DIR_SYS;
						return ();
					}
Nigel Kukard's avatar
Nigel Kukard committed
472
473
474
				}
			}
		}
475
476
477
478
		# Exclude paths
		foreach my $item (@{$config{'exclude-path'}}) {
			# Check...
			if ("/$path" =~ $item) {
Nigel Kukard's avatar
Nigel Kukard committed
479
				printLog(LOG_INFO,"S: Path '[$source]/($path)' is an excluded path, ignoring files\n");
480
481
482
483
				$doBackup{$path} |= ST_DIR_SYS;
				return ();
			}
		}
Nigel Kukard's avatar
Nigel Kukard committed
484
485
486
487
488
489
490
491

		# Check if this dir exists on the backup, if not we need to back it up obviously...
		if ( ! -d "$dest/$path") {
			$doBackup{$path} |= ST_DIR_NEW;
		# This can probably only be because a backup was continued
		} elsif ( ! -f "$dest/$path/.dbackup-state" ) {
			# First backup will never have the main dir .dbackup-state file existing
			if ($path ne "") {
Nigel Kukard's avatar
Nigel Kukard committed
492
				printLog(LOG_WARNING,"State file '[$dest]/($path)/.dbackup-state' does not exist\n");
Nigel Kukard's avatar
Nigel Kukard committed
493
494
495
496
497
498
499
500
501
502
503
			}
			$doBackup{$path} |= ST_DIR_NEW;
		}

		# Cannot read in for new dirs can we...
		if (($doBackup{$path} & ST_DIR_NEW) != ST_DIR_NEW) {
			# Load state file
			loadStateFile("$dest/$path/.dbackup-state",$path,\%origFileList,\%origDirList,\%origPathAttribs);

			# Check we have at least the version attribute
			if (!defined($origPathAttribs{$path}) || !defined($origPathAttribs{$path}->{'dbackup.version'})) {
Nigel Kukard's avatar
Nigel Kukard committed
504
				printLog(LOG_ERROR,"No dbackup version information found in '[$dest]/($path)/.dbackup-state', IGNORING\n");
Nigel Kukard's avatar
Nigel Kukard committed
505
506
				delete($origDirList{$path});
				delete($origFileList{$path});
Nigel Kukard's avatar
Nigel Kukard committed
507
508
509
510
511
512

			# NK:
			# Sanity check, some versions created empty'ish .dbackup-state files with no sequence  < 2012-01-21
			# If we have a manifest, we should have a backup, therefore a format and sequence
			} elsif (
					-f "$dest/$path/dbackup0.manifest" && (
Nigel Kukard's avatar
Nigel Kukard committed
513
						!defined($origPathAttribs{$path}->{'format'}) ||
Nigel Kukard's avatar
Nigel Kukard committed
514
515
516
517
518
						!defined($origPathAttribs{$path}->{'sequence'})
					)
			) {
				printLog(LOG_ERROR,"No dbackup format/sequence information found in ".
						"'[$dest]/($path)/.dbackup-state', IGNORING\n");
Nigel Kukard's avatar
Nigel Kukard committed
519
520
				delete($origDirList{$path});
				delete($origFileList{$path});
Nigel Kukard's avatar
Nigel Kukard committed
521
522
523
524
525
526
527
528
529

			# Check if we going to upgrade...
			} else {
				# Are we doing backup upgrades?
				if ($config{'backup-upgrade'}) {
					# Pull in versions
					my $a = getNumericVer($origPathAttribs{$path}->{'dbackup.version'});
					my $b = getNumericVer($VERSION);
					# Compare
Nigel Kukard's avatar
Nigel Kukard committed
530
531
532
533
					if (
							$a < 16		# Things before 0.0.16 may have .dbackup-state issues and missing
										# required info.
					) {
Nigel Kukard's avatar
Nigel Kukard committed
534
535
536
537
538
539
540
541
						# Check if end in .x
						if ($VERSION =~ /\.x$/) {
							printLog(LOG_WARNING,"S: Path '[$source]/($path)' ".
									"cannot be upgraded, dbackup is TRUNK version\n");
						} else {
							printLog(LOG_INFO,"S: Path '[$source]/($path)' will be backed up, upgrading\n");
							delete($origDirList{$path});
							delete($origFileList{$path});
542
543
							# Force state file update if dir is empty
							$doBackup{$path} |= ST_DIR_CHANGED;
Nigel Kukard's avatar
Nigel Kukard committed
544
545
546
						}
					}
				}
547
548
549
550
			}
		}

		# Apply filter...
551
		if ((@{$config{'exclude-file'}}) > 0) {
552
553
554
555
556
557
			my @newList;
			foreach my $item (@list) {
				my $match = 0;
				# Apply only to files
				if ( -f "$source/$path/$item") {
					# Loop with exclude filters
558
					foreach my $filter (@{$config{'exclude-file'}}) {
559
560
						# Check for match
						if ($item =~ $filter) {
Nigel Kukard's avatar
Nigel Kukard committed
561
							printLog(LOG_INFO,"S: Path '[$source]/($path)/$item' matches file exclude filter, ignoring\n");
562
563
564
565
566
567
568
569
570
571
							# XXX: NK - If this ws backed up before and now not, dir has changed?
							$match = 1;
							last;
						}
					}
				}
				# If not matched, add to new list
				if (!$match) {
					push(@newList,$item);
				}
Nigel Kukard's avatar
Nigel Kukard committed
572
			}
573
574
			# Replace the list now
			@list = @newList;
Nigel Kukard's avatar
Nigel Kukard committed
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
		}

		return @list;
	}

	# Process files
	sub backup_process {
		my $name = $File::Find::name;
		# Strip first part of the path
		(my $path = $File::Find::dir) =~ s#^$source/?##;

		# Store current filename
		my $item = $_;

		# We use lstat so we don't follow symlinks that don't exist
		my @stat = lstat($name);
		# Split it up
		my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,
				$ctime,$blksize,$blocks) = @stat;

		# Process directory
		if (S_ISDIR($mode)) {
			# Skip over main dir
			if ($item eq ".") {
				return;
			}

			# Make sure sub dirs have a santized name
			my $ppath = ($path ne "") ? "$path/$item" : $item;

			# Set default flags to nothing...
			$doBackup{$ppath} = 0;

			# Ok, lets see whats going on with the dir
			if (!defined($origDirList{$path}->{$item})) {
Nigel Kukard's avatar
Nigel Kukard committed
610
				printLog(LOG_DEBUG,"S: Directory '[$source]/($path)/$item' is new\n");
Nigel Kukard's avatar
Nigel Kukard committed
611
612
613
614
615
616
617
				$doBackup{$path} |= ST_DIR_CHANGED;

			# Check if mtime matches
			} elsif (
					!defined($origDirList{$path}->{$item}->{'mtime'}) ||
					$origDirList{$path}->{$item}->{'mtime'} ne $mtime
			) {
Nigel Kukard's avatar
Nigel Kukard committed
618
				printLog(LOG_DEBUG,"S: Directory '[$source]/($path)/$item' was modified\n");
Nigel Kukard's avatar
Nigel Kukard committed
619
620
621
622
623
624
				$doBackup{$path} |= ST_DIR_CHANGED;
			# Check if uid matches
			} elsif (
					!defined($origDirList{$path}->{$item}->{'uid'}) ||
					$origDirList{$path}->{$item}->{'uid'} ne $uid
			) {
Nigel Kukard's avatar
Nigel Kukard committed
625
				printLog(LOG_DEBUG,"S: Directory '[$source]/($path)/$item' UID was changed\n");
Nigel Kukard's avatar
Nigel Kukard committed
626
627
628
629
630
631
				$doBackup{$path} |= ST_DIR_CHANGED;
			# Check if gid matches
			} elsif (
					!defined($origDirList{$path}->{$item}->{'gid'}) ||
					$origDirList{$path}->{$item}->{'gid'} ne $gid
			) {
Nigel Kukard's avatar
Nigel Kukard committed
632
				printLog(LOG_DEBUG,"S: Directory '[$source]/($path)/$item' GID was changed\n");
Nigel Kukard's avatar
Nigel Kukard committed
633
634
635
636
637
638
				$doBackup{$path} |= ST_DIR_CHANGED;
			# Check if mode matches
			} elsif (
					!defined($origDirList{$path}->{$item}->{'mode'}) ||
					$origDirList{$path}->{$item}->{'mode'} ne $mode
			) {
Nigel Kukard's avatar
Nigel Kukard committed
639
				printLog(LOG_DEBUG,"S: Directory '[$source]/($path)/$item' MODE was changed\n");
Nigel Kukard's avatar
Nigel Kukard committed
640
641
642
				$doBackup{$path} |= ST_DIR_CHANGED;
			}

Nigel Kukard's avatar
Nigel Kukard committed
643
			# Record details...
Nigel Kukard's avatar
Nigel Kukard committed
644
645
646
647
648
649
650
651
652
			$srcDirList{$path}->{$item}->{'size'} = $size;
			$srcDirList{$path}->{$item}->{'ctime'} = $ctime;
			$srcDirList{$path}->{$item}->{'atime'} = $atime;
			$srcDirList{$path}->{$item}->{'mtime'} = $mtime;
			$srcDirList{$path}->{$item}->{'uid'} = $uid;
			$srcDirList{$path}->{$item}->{'gid'} = $gid;
			$srcDirList{$path}->{$item}->{'mode'} = $mode;

			return;
653
654
655
656
657

		# Check if we're a socket
		} elsif (S_ISSOCK($mode)) {
			# Blatently ignore...
			return;
Nigel Kukard's avatar
Nigel Kukard committed
658
659
660
661
662
663
664
665
		}

		# Initialize file state
		my $state = 0;

		# Check if file does not exists on backup
		if (!defined($origFileList{$path}->{$item})) {
			if (($doBackup{$path} & ST_DIR_NEW) != ST_DIR_NEW) {
Nigel Kukard's avatar
Nigel Kukard committed
666
				printLog(LOG_DEBUG,"S: File '[$source]/($path)/$item' is new\n");
Nigel Kukard's avatar
Nigel Kukard committed
667
668
669
670
671
672
673
674
			}
			$state |= ST_FILE_NEW;

		# Check if size matches
		} elsif (
				!defined($origFileList{$path}->{$item}->{'size'}) ||
				$origFileList{$path}->{$item}->{'size'} ne $size
		) {
Nigel Kukard's avatar
Nigel Kukard committed
675
			printLog(LOG_DEBUG,"S: File '[$source]/($path)/$item' has different size\n");
Nigel Kukard's avatar
Nigel Kukard committed
676
677
678
679
680
681
682
683
684
685
			$state |= ST_FILE_CHANGED;

		#
		# NK: Does not like chmod changes to files???
		#
		# Check if ctime matches
#		} elsif (
#				!defined($origFileList{$path}->{$item}->{'ctime'}) ||
#				$origFileList{$path}->{$item}->{'ctime'} ne $ctime
#		) {
Nigel Kukard's avatar
Nigel Kukard committed
686
#			printLog(LOG_DEBUG,"S: File '[$source]/($path)/$item' was recreated\n");
Nigel Kukard's avatar
Nigel Kukard committed
687
688
689
690
691
692
693
#			$state |= ST_FILE_CHANGED;

		# Check if mtime matches
		} elsif (
				!defined($origFileList{$path}->{$item}->{'mtime'}) ||
				$origFileList{$path}->{$item}->{'mtime'} ne $mtime
		) {
Nigel Kukard's avatar
Nigel Kukard committed
694
			printLog(LOG_DEBUG,"S: File '[$source]/($path)/$item' was modified\n");
Nigel Kukard's avatar
Nigel Kukard committed
695
696
697
698
699
700
701
			$state |= ST_FILE_CHANGED;

		# Check if uid matches
		} elsif (
				!defined($origFileList{$path}->{$item}->{'uid'}) ||
				$origFileList{$path}->{$item}->{'uid'} ne $uid
		) {
Nigel Kukard's avatar
Nigel Kukard committed
702
			printLog(LOG_DEBUG,"S: File '[$source]/($path)/$item' UID was changed\n");
Nigel Kukard's avatar
Nigel Kukard committed
703
704
705
706
707
708
709
			$state |= ST_FILE_ATTR_CHANGED

		# Check if gid matches
		} elsif (
				!defined($origFileList{$path}->{$item}->{'gid'}) ||
				$origFileList{$path}->{$item}->{'gid'} ne $gid
		) {
Nigel Kukard's avatar
Nigel Kukard committed
710
			printLog(LOG_DEBUG,"S: File '[$source]/($path)/$item' GID was changed\n");
Nigel Kukard's avatar
Nigel Kukard committed
711
712
713
714
715
716
717
			$state |= ST_FILE_ATTR_CHANGED;

		# Check if mode matches
		} elsif (
				!defined($origFileList{$path}->{$item}->{'mode'}) ||
				$origFileList{$path}->{$item}->{'mode'} ne $mode
		) {
Nigel Kukard's avatar
Nigel Kukard committed
718
			printLog(LOG_DEBUG,"S: File '[$source]/($path)/$item' MODE was changed\n");
Nigel Kukard's avatar
Nigel Kukard committed
719
720
721
722
723
724
725
726
			$state |= ST_FILE_ATTR_CHANGED;
		}

		# Update state of path, this is used below, the $state is used to track WHAT changed
		if ($state) {
			$doBackup{$path} |= ST_FILE_CHANGED;
		}

Nigel Kukard's avatar
Nigel Kukard committed
727
		# Record details...
Nigel Kukard's avatar
Nigel Kukard committed
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
		$srcFileList{$path}->{$item}->{'size'} = $size;
		$srcFileList{$path}->{$item}->{'ctime'} = $ctime;
		$srcFileList{$path}->{$item}->{'atime'} = $atime;
		$srcFileList{$path}->{$item}->{'mtime'} = $mtime;
		$srcFileList{$path}->{$item}->{'uid'} = $uid;
		$srcFileList{$path}->{$item}->{'gid'} = $gid;
		$srcFileList{$path}->{$item}->{'mode'} = $mode;
		$srcFileList{$path}->{$item}->{'_state'} = $state;
	}


	# Time to do stuff
	sub backup_postprocess {
		# Strip first part of the path
		(my $path = $File::Find::dir) =~ s#^$source/?##;
		# Get current lists
		my $curDirList = $srcDirList{$path};
		my $curFileList = $srcFileList{$path};

		# Compare the two file lists, we know what was added, lets see if anything was removed
		foreach my $fname (keys %{$origFileList{$path}}) {
			if (!defined($srcFileList{$path}->{$fname})) {
Nigel Kukard's avatar
Nigel Kukard committed
750
				printLog(LOG_DEBUG,"File '[$source]/($path)/$fname' removed\n");
Nigel Kukard's avatar
Nigel Kukard committed
751
752
753
754
755
756
757
758
759
				$doBackup{$path} |= ST_FILE_CHANGED;
			}
		}

		# Create backup dir
		if (($doBackup{$path} & ST_DIR_NEW) == ST_DIR_NEW && ! -d "$dest/$path") {
			mkpath("$dest/$path");
		}

Nigel Kukard's avatar
Nigel Kukard committed
760
761
762
763
764
765
766
767
		# NK:
		# Before we do anything, we copy our previous attributes.
		# If we do not write an archive below, we still have our stuff.
		# If there is something special, we still have it. Best idea? right?
		foreach my $item (keys %{$origPathAttribs{$path}}) {
			$newPathAttribs{$path}->{$item} = $origPathAttribs{$path}->{$item};
		}

Nigel Kukard's avatar
Nigel Kukard committed
768
769
		# Check if we need to backup this dir
		if (($doBackup{$path} & ST_FILE_CHANGED) == ST_FILE_CHANGED) {
Nigel Kukard's avatar
Nigel Kukard committed
770
			printLog(LOG_INFO,"B: Path '[$source]/$path' backing up\n");
Nigel Kukard's avatar
Nigel Kukard committed
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794

			# If we not backing up a system dir, we create a manifest and backup the files
			if (($doBackup{$path} & ST_DIR_SYS) != ST_DIR_SYS) {
				# Did file contents change?
				my $changedFiles = 0;
				my $changedAttrs = 0;
				my @newFiles = ();
				my @manifestList;

				# Take a look quick...
				foreach my $item (sort keys %{$curFileList}) {
					# Lets see whats happened...
					if (($curFileList->{$item}->{'_state'} & ST_FILE_NEW) == ST_FILE_NEW) {
						push(@newFiles,$item);
					}
					if (($curFileList->{$item}->{'_state'} & ST_FILE_CHANGED) == ST_FILE_CHANGED) {
						$changedFiles = 1;
					}
					if (($curFileList->{$item}->{'_state'} & ST_FILE_ATTR_CHANGED) == ST_FILE_ATTR_CHANGED) {
						$changedAttrs = 1;
					}
				}

				# If we don't have a sequence, this is a new backup?
795
				my $removeOldFiles = 0;
Nigel Kukard's avatar
Nigel Kukard committed
796
797
798
799
800
801
802
803
804
805
806
				if (!defined($newPathAttribs{$path}->{'sequence'} = $origPathAttribs{$path}->{'sequence'})) {
					$newPathAttribs{$path}->{'sequence'} = 0;
					@manifestList = keys %{$curFileList};
				} else {
					# If this is new files, then just inc the counter
					if (@newFiles > 0 && !$changedFiles && !$changedAttrs) {
						$newPathAttribs{$path}->{'sequence'}++;
						@manifestList = @newFiles;
					# If files changed we blow everything away
					} else {
						$newPathAttribs{$path}->{'sequence'} = 0;
Nigel Kukard's avatar
Nigel Kukard committed
807
						# Remove old files
808
						$removeOldFiles = 1;
Nigel Kukard's avatar
Nigel Kukard committed
809
810
811
812
813
814
815
816
817
818
819
						@manifestList = keys %{$curFileList};
					}
				}


				# Get current sequence
				my $seq = $newPathAttribs{$path}->{'sequence'};

				# Setup tar args
				my @tarArgs = ();
				my $tarExt;
820
				if ($config{'compress'} eq "xz") {
821
					push(@tarArgs,"--use-compress-program",$config{'compress-xz'});
Nigel Kukard's avatar
Nigel Kukard committed
822
					$tarExt = ".xz";
823
				} elsif ($config{'compress'} eq "bzip2") {
824
					push(@tarArgs,"--use-compress-program",$config{'compress-bzip2'});
Nigel Kukard's avatar
Nigel Kukard committed
825
					$tarExt = ".bz2";
826
				} elsif ($config{'compress'} eq "gzip") {
827
					push(@tarArgs,"--use-compress-program",$config{'compress-gzip'});
Nigel Kukard's avatar
Nigel Kukard committed
828
					$tarExt = ".gz";
829
830
831
				} elsif ($config{'compress'} eq "lz") {
					push(@tarArgs,"--use-compress-program",$config{'compress-lz'});
					$tarExt = ".lz";
832
				} elsif ($config{'compress'} eq "none") {
Nigel Kukard's avatar
Nigel Kukard committed
833
834
835
836
837
					$tarExt = "";
				}

				# Save format and compression
				$newPathAttribs{$path}->{'format'} = "tar";
838
				$newPathAttribs{$path}->{'compression'} = $config{'compress'};
Nigel Kukard's avatar
Nigel Kukard committed
839

840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
				# Sort out manifest format
				my $manifestDelim;
				# Are we overriding the manifest format?
				if (defined($config{'manifest-format'})) {
					$newPathAttribs{$path}->{'manifest.format'} = $config{'manifest-format'};
				} else {
					# If not choose best
					if (defined($origPathAttribs{$path}->{'manifest.format'})) {
						$newPathAttribs{$path}->{'manifest.format'} = $origPathAttribs{$path}->{'manifest.format'};
					} else {
						# Tar pre-1.22 is buggered with \0 manifest files
						if ($tarVer > 122) {
							$newPathAttribs{$path}->{'manifest.format'} = "null";
						} else {
							$newPathAttribs{$path}->{'manifest.format'} = "newline";
Nigel Kukard's avatar
Nigel Kukard committed
855
						}
856
857
858
859
860
861
					}
				}

				# Setup manifest delim & tar options
				if ($newPathAttribs{$path}->{'manifest.format'} eq "null") {
					push(@tarArgs,"--null");
862
					push(@tarArgs,"--files-from", "$dest/$path/dbackup$seq.manifest.tmp");
863
864
865
					push(@tarArgs,"--no-unquote");
					$manifestDelim = "\0";
				} elsif ($newPathAttribs{$path}->{'manifest.format'} eq "newline") {
866
					push(@tarArgs,"--files-from", "$dest/$path/dbackup$seq.manifest.tmp");
867
868
869
870
871
872
873
					$manifestDelim = "\n";
				} else {
					printLog(LOG_ERROR,"Invalid manifest.format '".$newPathAttribs{$path}->{'manifest.format'}."'\n");
					exit 1;
				}

				# File list to backup
874
875
				open(my $fh,">","$dest/$path/dbackup$seq.manifest.tmp")
						or die "Failed to open '[$dest]/($path)/dbackup$seq.manifest.tmp': $!";
876
877
878
879
880
881
882
883
				foreach my $item (@manifestList) {
					# Sanity check to see if this filename is going to work
					if ($manifestDelim eq "\n" && $item =~ /[\n"'\\]/) {
						printLog(LOG_ERROR,"ERROR: Your version of tar cannot backup => path:'$path', file '$item'\n");
						next;
					}
					# If this is not the top dir, use /
					if ($path ne "") {
Nigel Kukard's avatar
Nigel Kukard committed
884
						print($fh "$path/$item$manifestDelim");
885
886
					# If it is, don't use /
					} else {
Nigel Kukard's avatar
Nigel Kukard committed
887
						print($fh "$item$manifestDelim");
888
889
					}
				}
Nigel Kukard's avatar
Nigel Kukard committed
890
				close($fh);
891

892
893
894
895
896
897
898
899
900
901
902
903
				# tar specifics...
				if ($newPathAttribs{$path}->{'format'} eq "tar") {
					# Exclude paths for tar-ignore-failed-read
					foreach my $item (@{$config{'tar-ignore-failed-read'}}) {
						# Check...
						if ("/$path" eq $item) {
							printLog(LOG_NOTICE,"B: Path '[$source]/$path' ignore-failed-read passed to tar\n");
							push(@tarArgs,"--ignore-failed-read",$path);
						}
					}
				}

Nigel Kukard's avatar
Nigel Kukard committed
904
905
				# Change dir and start backup
				system(
Nigel Kukard's avatar
Nigel Kukard committed
906
					"tar",
Nigel Kukard's avatar
Nigel Kukard committed
907
908
909
					"--create",
					"--verbose",
					# Output file
910
					"--file", "$dest/$path/dbackup$seq.tar$tarExt.tmp",
Nigel Kukard's avatar
Nigel Kukard committed
911
912
913
914
915
					# cd into here first...
					"--directory", "$source",
					# Do not recurse
					"--no-recursion",
					# Output to this file
916
					"--index-file", "$dest/$path/dbackup$seq.index.tmp",
Nigel Kukard's avatar
Nigel Kukard committed
917
918
919
920
921
922
					# Incremental options
#					"--listed-incremental", "$dest/$path/dbackup.snar",
#					"--no-check-device",
					@tarArgs
				);
				if ($? == -1) {
Nigel Kukard's avatar
Nigel Kukard committed
923
					printLog(LOG_ERROR,"Failed to execute: $!\n");
Nigel Kukard's avatar
Nigel Kukard committed
924
925
					exit 1;
				} elsif ($? & 127) {
Nigel Kukard's avatar
Nigel Kukard committed
926
					printLog(LOG_ERROR,"Child died with signal ".($? & 127)."\n");
Nigel Kukard's avatar
Nigel Kukard committed
927
928
929
930
					exit 1;
				} else {
					my $retcode = $? >> 8;
					# If tar died, lets die too
931
					if ($retcode >= 2) {
Nigel Kukard's avatar
Nigel Kukard committed
932
						printLog(LOG_ERROR,"tar died with error code $retcode\n");
Nigel Kukard's avatar
Nigel Kukard committed
933
#						exit 1;
Nigel Kukard's avatar
Nigel Kukard committed
934
					}
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959

					# Check if we need to blow away all old backup files
					if ($removeOldFiles) {
						removeBackups(
								"$dest/$path",
								$origPathAttribs{$path}->{'format'},
								$origPathAttribs{$path}->{'compression'},
								$origPathAttribs{$path}->{'sequence'}
						);
					}

					# Move temp files in place now
					if (!rename("$dest/$path/dbackup$seq.tar$tarExt.tmp","$dest/$path/dbackup$seq.tar$tarExt")) {
						printLog(LOG_ERROR,"Failed to move '$dest/$path/dbackup$seq.tar$tarExt' in place: $!\n");
						exit 1;
					}
					if (!rename("$dest/$path/dbackup$seq.index.tmp","$dest/$path/dbackup$seq.index")) {
						printLog(LOG_ERROR,"Failed to move '$dest/$path/dbackup$seq.index' in place: $!\n");
						exit 1;
					}
					if (!rename("$dest/$path/dbackup$seq.manifest.tmp","$dest/$path/dbackup$seq.manifest")) {
						printLog(LOG_ERROR,"Failed to move '$dest/$path/dbackup$seq.manifest' in place: $!\n");
						exit 1;
					}

Nigel Kukard's avatar
Nigel Kukard committed
960
				}
Nigel Kukard's avatar
Nigel Kukard committed
961
			} else { # if (($doBackup{$path} & ST_DIR_SYS) != ST_DIR_SYS) {
962
963
964
965
966
967
968
				# Remove old files
				removeBackups(
					"$dest/$path",
					$origPathAttribs{$path}->{'format'},
					$origPathAttribs{$path}->{'compression'},
					$origPathAttribs{$path}->{'sequence'}
				);
Nigel Kukard's avatar
Nigel Kukard committed
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
			}
		} # if (($doBackup{$path} & ST_FILE_CHANGED) == ST_FILE_CHANGED) {


		# Check if we need to record directory changes...
		if (
					($doBackup{$path} & ST_FILE_CHANGED) == ST_FILE_CHANGED ||
					($doBackup{$path} & ST_DIR_CHANGED) == ST_DIR_CHANGED ||
					($doBackup{$path} & ST_DIR_NEW) == ST_DIR_NEW
		) {
			# If we have a revision, bump it
			if (defined($newPathAttribs{$path}->{'revision'} = $origPathAttribs{$path}->{'revision'})) {
				$newPathAttribs{$path}->{'revision'} = $origPathAttribs{$path}->{'revision'} + 1;
			} else {
				$newPathAttribs{$path}->{'revision'} = 0;
			}

Nigel Kukard's avatar
Nigel Kukard committed
986
987
988
989
			# Set this as the dbackup that created this file
			$newPathAttribs{$path}->{'dbackup.version'} = $VERSION;

			printLog(LOG_DEBUG,"B: Writing state '[$source]/($path)' - revision ".$newPathAttribs{$path}->{'revision'}."\n");
Nigel Kukard's avatar
Nigel Kukard committed
990
991
992

			# Write out state, we do this AFTER we have backed up, so if we stopped, we can just  continue
			my $gz = gzopen("$dest/$path/.dbackup-state","wb")
Nigel Kukard's avatar
Nigel Kukard committed
993
					or die "Failed to open '[$dest]/($path)/.dbackup-state': $!";
Nigel Kukard's avatar
Nigel Kukard committed
994
995
996
997
998
			# Loop with attributes
			foreach my $item (keys %{$newPathAttribs{$path}}) {
				$gz->gzwrite(join("\0",
						"a",
						$item,
Nigel Kukard's avatar
Nigel Kukard committed
999
						$newPathAttribs{$path}->{$item}
Nigel Kukard's avatar
Nigel Kukard committed
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
					)."\n"
				);
			}
			# Loop with directory list
			foreach my $item (sort keys %{$curDirList}) {
				my $ename = encode_base64($item);
				$ename =~ s/\n//g;
				# Save state of source files
				$gz->gzwrite(join("\0",
						"d",
						$ename,
						$curDirList->{$item}->{'ctime'},
						$curDirList->{$item}->{'atime'},
						$curDirList->{$item}->{'mtime'},
						$curDirList->{$item}->{'uid'},
						$curDirList->{$item}->{'gid'},
						$curDirList->{$item}->{'mode'}
					)."\n"
				);
			}
			# Loop with file list
			foreach my $item (sort keys %{$curFileList}) {
				my $ename = encode_base64($item);
				$ename =~ s/\n//g;
				# Save state of source files
				$gz->gzwrite(join("\0",
						"f",
						$ename,
						$curFileList->{$item}->{'size'},
						$curFileList->{$item}->{'ctime'},
						$curFileList->{$item}->{'atime'},
						$curFileList->{$item}->{'mtime'},
						$curFileList->{$item}->{'uid'},
						$curFileList->{$item}->{'gid'},
						$curFileList->{$item}->{'mode'}
					)."\n"
				);
			}
			# Finally close
			$gz->gzclose();
		}

		# State clear
		delete($origFileList{$path});
	}

Nigel Kukard's avatar
Nigel Kukard committed
1046
	printLog(LOG_NOTICE,"BACKUP START: $source => $dest\n");
1047
	printLog(LOG_INFO,"Compression: ".$config{'compress'}." [".$config{'compress-'.$config{'compress'}}."]\n");
1048

1049
1050
1051
1052
	# Should we output the system base dirs? we do if we excluding anything
	if ($config{'exclude-system'} || $config{'exclude-data'}) {
		printLog(LOG_NOTICE,"Exclude System Base: ".join(", ",@{$config{'system-base'}})."\n");
	}
Nigel Kukard's avatar
Nigel Kukard committed
1053
	# Check if we excluding system files
1054
	if ($config{'exclude-system'}) {
Nigel Kukard's avatar
Nigel Kukard committed
1055
		printLog(LOG_NOTICE,"Exclude System Dirs: ".join(", ",@defaultSystemExcl,@{$config{'system-dir'}})."\n");
1056
1057
1058
1059
	}
	# If we excluding data too...
	if ($config{'exclude-data'}) {
		printLog(LOG_NOTICE,"Exclude Data Dirs: ".join(", ",@defaultDataExcl,@{$config{'data-dir'}})."\n");
Nigel Kukard's avatar
Nigel Kukard committed
1060
	}
1061
	printLog(LOG_NOTICE,"Exclude Paths: ".join(", ",@{$config{'exclude-path'}})."\n");
Nigel Kukard's avatar
Nigel Kukard committed
1062
	printLog(LOG_NOTICE,"Exclude Files: ".join(", ",@{$config{'exclude-file'}})."\n");
Nigel Kukard's avatar
Nigel Kukard committed
1063
1064
1065
1066
1067
1068

	# We need an entry for our main dir before we start
	$doBackup{""} = 0;

	# This basically does our backup for us...
	find (
Nigel Kukard's avatar
Nigel Kukard committed
1069
		{
Nigel Kukard's avatar
Nigel Kukard committed
1070
1071
1072
1073
1074
1075
1076
1077
			preprocess => \&backup_preprocess,
			wanted => \&backup_process,
			postprocess => \&backup_postprocess
		},
		$source
	);


Nigel Kukard's avatar
Nigel Kukard committed
1078
	printLog(LOG_INFO,"Processing stale directories...\n");
Nigel Kukard's avatar
Nigel Kukard committed
1079
1080
1081
	my @rmlist;
	# Total item by item
	find (
Nigel Kukard's avatar
Nigel Kukard committed
1082
		{
Nigel Kukard's avatar
Nigel Kukard committed
1083
1084
1085
1086
1087
1088
1089
			wanted => sub { },
			# We just need post processing ...
			postprocess => sub {
				# Strip first part of the path
				(my $path = $File::Find::dir) =~ s#^$dest/?##;
				# Does this dir exist on the backup, but not on the fileserver?
				if (!defined($srcFileList{$path})) {
Nigel Kukard's avatar
Nigel Kukard committed
1090
					push(@rmlist,$path);
Nigel Kukard's avatar
Nigel Kukard committed
1091
1092
1093
1094
1095
1096
				}
			},
		},
		$dest
	);
	foreach my $rmitem ( @rmlist ) {
Nigel Kukard's avatar
Nigel Kukard committed
1097
		printLog(LOG_DEBUG,"Remove path '[$dest]/($rmitem)'\n");
Nigel Kukard's avatar
Nigel Kukard committed
1098
		rmtree("$dest/$rmitem");
Nigel Kukard's avatar
Nigel Kukard committed
1099
1100
	}

Nigel Kukard's avatar
Nigel Kukard committed
1101
	printLog(LOG_NOTICE,"BACKUP END\n");
Nigel Kukard's avatar
Nigel Kukard committed
1102
1103
1104
}


1105

Nigel Kukard's avatar
Nigel Kukard committed
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
# Restore function
sub restore
{
	our ($source,$dest) = @_;

	# State infor for current dir
	our %origFileList;
	our %origDirList;
	our %origPathAttribs;


	# Preprocess dir
	sub restore_preprocess {
		my @list = @_;

		# Strip first part of the path
		(my $path = $File::Find::dir) =~ s#^$source/?##;

		# Check if we have all our source files
		if ( ! -f "$source/$path/.dbackup-state" ) {
Nigel Kukard's avatar
Nigel Kukard committed
1126
			printLog(LOG_WARNING,"S: Path '[$source]/($path)' is MISSING .dbackup-state\n");
Nigel Kukard's avatar
Nigel Kukard committed
1127
1128
1129
1130
1131
1132
1133
1134
			return @list;
		}

		# Load state file
		loadStateFile("$source/$path/.dbackup-state",$path,\%origFileList,\%origDirList,\%origPathAttribs);

		# Check we have at least the version attribute
		if (!defined($origPathAttribs{$path}) || !defined($origPathAttribs{$path}->{'dbackup.version'})) {
Nigel Kukard's avatar
Nigel Kukard committed
1135
			printLog(LOG_ERROR, "No dbackup version information found in '[$source]/($path)/.dbackup-state', IGNORING\n");
Nigel Kukard's avatar
Nigel Kukard committed
1136
1137
1138
1139
1140
1141
1142
1143
			delete($origDirList{$path});
			delete($origFileList{$path});
			return @list;
		}

		# During our check, we need to create the dir, we may not have a backup file
		# so we do it here.
		if ( ! -d "$dest/$path") {
Nigel Kukard's avatar
Nigel Kukard committed
1144
			printLog(LOG_INFO,"R: Path '[$dest]/($path)' creating directory\n");
Nigel Kukard's avatar
Nigel Kukard committed
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
			mkpath("$dest/$path");
		}

		# The lack of a sequence number probably means we didn't output any tar files during backup
		if (!defined($origPathAttribs{$path}->{'sequence'})) {
			return @list;
		}

		# Loop through backup sequences
		for (my $seq = 0; $seq <= $origPathAttribs{$path}->{'sequence'}; $seq++) {
Nigel Kukard's avatar
Nigel Kukard committed
1155
			printLog(LOG_DEBUG,"R: Path '[$dest]/($path)' restoring data ".($seq+1)." of ".
Nigel Kukard's avatar
Nigel Kukard committed
1156
1157
1158
1159
1160
1161
1162
					($origPathAttribs{$path}->{'sequence'}+1)."\n");

			# Args for tar
			my @tarArgs = ();

			my $tarExt;
			if ($origPathAttribs{$path}->{'compression'} eq "xz") {
1163
				push(@tarArgs,"--use-compress-program",$config{'compress-xz'});
Nigel Kukard's avatar
Nigel Kukard committed
1164
1165
				$tarExt = ".xz";
			} elsif ($origPathAttribs{$path}->{'compression'} eq "bzip2") {
1166
				push(@tarArgs,"--use-compress-program",$config{'compress-bzip2'});
Nigel Kukard's avatar
Nigel Kukard committed
1167
1168
				$tarExt = ".bz2";
			} elsif ($origPathAttribs{$path}->{'compression'} eq "gzip") {
1169
				push(@tarArgs,"--use-compress-program",$config{'compress-gzip'});
Nigel Kukard's avatar
Nigel Kukard committed
1170
				$tarExt = ".gz";
1171
1172
1173
			} elsif ($origPathAttribs{$path}->{'compression'} eq "lz") {
				push(@tarArgs,"--use-compress-program",$config{'compress-lz'});
				$tarExt = ".lz";
Nigel Kukard's avatar
Nigel Kukard committed
1174
1175
1176
1177
1178
1179
1180
1181
			} elsif ($origPathAttribs{$path}->{'compression'} eq "none") {
				$tarExt = "";
			}

			# Check what type of backup we did
			if ( ! -f "$source/$path/dbackup$seq.tar$tarExt" ) {
				# If we have any other part of the backup, show a message
				if (
Nigel Kukard's avatar
Nigel Kukard committed
1182
							( -f "$source/$path/dbackup$seq.index" ||
Nigel Kukard's avatar
Nigel Kukard committed
1183
1184
1185
							-f "$source/$path/dbackup$seq.manifest" ||
							-f "$source/$path/dbackup$seq.snar" ) && $seq > 0
				) {
Nigel Kukard's avatar
Nigel Kukard committed
1186
					printLog(LOG_WARNING,"Backup file '[$source]/($path)/dbackup$seq.tar$tarExt' not found, IGNORING\n");
Nigel Kukard's avatar
Nigel Kukard committed
1187
1188
1189
1190
1191
1192
1193
				}

				return @list;
			}

			# Check we have files we need/created
			if ( ! -f "$source/$path/dbackup$seq.index" ) {
Nigel Kukard's avatar
Nigel Kukard committed
1194
				printLog(LOG_WARNING,"Manifest file '[$source]/($path)/dbackup$seq.index' not found\n");
Nigel Kukard's avatar
Nigel Kukard committed
1195
1196
1197
				return @list;
			}
			if ( ! -f "$source/$path/dbackup$seq.manifest" ) {
Nigel Kukard's avatar
Nigel Kukard committed
1198
				printLog(LOG_WARNING,"Manifest file '[$source]/($path)/dbackup$seq.manifest' not found\n");
Nigel Kukard's avatar
Nigel Kukard committed
1199
1200
1201
				return @list;
			}

Nigel Kukard's avatar
Nigel Kukard committed
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
			# Check if manifest.format is undefined, if it is, use the default
			if (!defined($origPathAttribs{$path}->{'manifest.format'})) {
				# Check if we have a commandline override
				if (defined($optctl{'manifest-format'})) {
					$origPathAttribs{$path}->{'manifest.format'} = $optctl{'manifest-format'};
				} else {
					# NK:
					# Default to null
					# This saves us from having to regenerate manifest.format attrs and backups for older
					# versions of dbackup.
					$origPathAttribs{$path}->{'manifest.format'} = "null";
				}
			}

1216
1217
1218
1219
1220
1221
1222
1223
			# Setup manifest delim & tar options
			if ($origPathAttribs{$path}->{'manifest.format'} eq "null") {
				push(@tarArgs,"--null");
				push(@tarArgs,"--files-from", "$source/$path/dbackup$seq.manifest");
				push(@tarArgs,"--no-unquote");
			} elsif ($origPathAttribs{$path}->{'manifest.format'} eq "newline") {
				push(@tarArgs,"--files-from", "$source/$path/dbackup$seq.manifest");
			} else {
Nigel Kukard's avatar
Nigel Kukard committed
1224
1225
				printLog(LOG_ERROR,"Invalid manifest.format '".$origPathAttribs{$path}->{'manifest.format'}.
						"' for '[$source]/($path)', try setting the default with --manifest-format=\n");
1226
1227
1228
1229
1230
1231
1232
1233
1234
				exit 1;
			}

			# Sanity check
			if ($tarVer < 122 && $origPathAttribs{$path}->{'manifest.format'} eq "null") {
				printLog(LOG_ERROR,"Your version of tar does NOT support manifest.format of 'null'\n");
				exit 1;
			}

Nigel Kukard's avatar
Nigel Kukard committed
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
			# Other tar options
			if (defined($optctl{'tar-keep-newer'})) {
				push(@tarArgs,"--keep-newer-files");
			}
			if (defined($optctl{'tar-keep-old-files'})) {
				push(@tarArgs,"--keep-old-files");
			}

			# Change dir and start backup
			system(
Nigel Kukard's avatar
Nigel Kukard committed
1245
				"tar",
Nigel Kukard's avatar
Nigel Kukard committed
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
				"--extract",
				# Output file
				"--file", "$source/$path/dbackup$seq.tar$tarExt",
				# cd into here first...
				"--directory", "$dest",
				# Do not recurse
				"--no-recursion",
				# Incremental options
#			"--incremental",
				@tarArgs
			);
			if ($? == -1) {
Nigel Kukard's avatar
Nigel Kukard committed
1258
				printLog(LOG_ERROR,"Failed to execute: $!\n");
Nigel Kukard's avatar
Nigel Kukard committed
1259
1260
				exit 1;
			} elsif ($? & 127) {
Nigel Kukard's avatar
Nigel Kukard committed
1261
				printLog(LOG_ERROR,"Child died with signal ".($? & 127)."\n");
Nigel Kukard's avatar
Nigel Kukard committed
1262
1263
1264
1265
				exit 1;
			} else {
				my $retcode = $? >> 8;
				# If tar died, lets die too
1266
				if ($retcode >= 2) {
Nigel Kukard's avatar
Nigel Kukard committed
1267
					printLog(LOG_ERROR,"tar died with error code $retcode\n");
Nigel Kukard's avatar
Nigel Kukard committed
1268
#					exit 1;
Nigel Kukard's avatar
Nigel Kukard committed
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
				}
			}
		}

		return @list;
	}

	# Process files
	sub restore_process {
		my $name = $File::Find::name;
		# Strip first part of the path
		(my $path = $File::Find::dir) =~ s#^$source/?##;

		# Store current filename
		my $item = $_;

#		print(STDERR "PROCESS: Path = $path, Name = $name, Item = $item)\n");
	}


	# Time to do stuff
	sub restore_postprocess {
		# Strip first part of the path
		(my $path = $File::Find::dir) =~ s#^$source/?##;

Nigel Kukard's avatar
Nigel Kukard committed
1294
		printLog(LOG_DEBUG,"R: Path '[$dest]/($path)' restoring meta-data\n");
Nigel Kukard's avatar
Nigel Kukard committed
1295
1296
1297
1298
1299
1300
1301
1302
1303

		# Loop with directories in this path
		foreach my $dname (keys %{$origDirList{$path}}) {
			# Set dir
			my $dir = $origDirList{$path}->{$dname};

			# Full dirname
			my $fdirname = "$dest/$path/$dname";

Nigel Kukard's avatar
Nigel Kukard committed
1304
1305
1306
1307
1308
1309
			# Could be a dir with no contents of one which was ignored, in which case we must create it
			if (! -d $fdirname) {
				printLog(LOG_INFO,"R: Path '[$dest]/($path)/$dname' creating missing directory\n");
				mkpath($fdirname);
			}

Nigel Kukard's avatar
Nigel Kukard committed
1310
1311
			# Restore attribs
			if (!chown($dir->{'uid'},$dir->{'gid'},$fdirname)) {
Nigel Kukard's avatar
Nigel Kukard committed
1312
				printLog(LOG_ERROR,"Failed to chown(".$dir->{'uid'}.",".$dir->{'gid'}.") '$fdirname': $!\n");
Nigel Kukard's avatar
Nigel Kukard committed
1313
1314
			}
			if (!chmod($dir->{'mode'},$fdirname)) {
Nigel Kukard's avatar
Nigel Kukard committed
1315
				printLog(LOG_ERROR,"Failed to chmod(".$dir->{'mode'}.") '$fdirname': $!\n");
Nigel Kukard's avatar
Nigel Kukard committed
1316
1317
			}
			if (!utime($dir->{'atime'},$dir->{'mtime'},$fdirname)) {
Nigel Kukard's avatar
Nigel Kukard committed
1318
				printLog(LOG_ERROR,"Failed to utime(".$dir->{'atime'}.",".$dir->{'mtime'}.") '$fdirname': $!\n");
Nigel Kukard's avatar
Nigel Kukard committed
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
			}
		}

		# Loop with files in this path
		foreach my $fname (keys %{$origFileList{$path}}) {
			# Set dir
			my $file = $origFileList{$path}->{$fname};

			# Full dirname
			my $ffilename = "$dest/$path/$fname";

1330
1331
1332
			# Restore for links and files
			if (!lchown($file->{'uid'},$file->{'gid'},$ffilename)) {
				printLog(LOG_ERROR,"Failed to lchown(".$file->{'uid'}.",".$file->{'gid'}.") '$ffilename': $!\n");
Nigel Kukard's avatar
Nigel Kukard committed
1333
			}
1334
1335
1336
1337
1338

			# Ignore links for the rest...
			next if (S_ISLNK($file->{'mode'}));

			# Restore mode & utime only for files
Nigel Kukard's avatar
Nigel Kukard committed
1339
			if (!chmod($file->{'mode'},$ffilename)) {
Nigel Kukard's avatar
Nigel Kukard committed
1340
				printLog(LOG_ERROR,"Failed to chmod(".$file->{'mode'}.") '$ffilename': $!\n");
Nigel Kukard's avatar
Nigel Kukard committed
1341
1342
			}
			if (!utime($file->{'atime'},$file->{'mtime'},$ffilename)) {
Nigel Kukard's avatar
Nigel Kukard committed
1343
				printLog(LOG_ERROR,"Failed to utime(".$file->{'atime'}.",".$file->{'mtime'}.") '$ffilename': $!\n");
Nigel Kukard's avatar
Nigel Kukard committed
1344
1345
1346
1347
			}
		}
	}

Nigel Kukard's avatar
Nigel Kukard committed
1348
	printLog(LOG_NOTICE,"RESTORE START: $source => $dest\n");
Nigel Kukard's avatar
Nigel Kukard committed
1349
1350
1351

	# This basically does our backup for us...
	find (
Nigel Kukard's avatar
Nigel Kukard committed
1352
		{
Nigel Kukard's avatar
Nigel Kukard committed
1353
1354
1355
1356
1357
1358
1359
			preprocess => \&restore_preprocess,
			wanted => \&restore_process,
			postprocess => \&restore_postprocess
		},
		$source
	);

Nigel Kukard's avatar
Nigel Kukard committed
1360
	printLog(LOG_NOTICE,"RESTORE END\n");
Nigel Kukard's avatar
Nigel Kukard committed
1361
1362
1363
1364
1365
}


# Display log line
sub printLog {
Nigel Kukard's avatar
Nigel Kukard committed
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
	my ($level,$msg,@args) = @_;


	# Work out level txt all nicely
	my $levelTxt = "UNKNOWN";
	if ($level == LOG_DEBUG) {
		$levelTxt = "DEBUG";
	} elsif ($level == LOG_INFO) {
		$levelTxt = "INFO";
	} elsif ($level == LOG_NOTICE) {
		$levelTxt = "