# Craig Barratt <cbarratt@users.sourceforge.net>
#
# COPYRIGHT
-# Copyright (C) 2001 Craig Barratt
+# Copyright (C) 2001-2003 Craig Barratt
#
# 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
#
#========================================================================
#
-# Version 2.0.0beta3, released 1 Jun 2003.
+# Version 2.1.0, released 20 Jun 2004.
#
# See http://backuppc.sourceforge.net.
#
use strict;
use vars qw(%Conf %Lang);
+use BackupPC::Storage;
use Fcntl qw/:flock/;
use Carp;
use DirHandle ();
use Socket;
use Cwd;
use Digest::MD5;
+use Config;
sub new
{
my $class = shift;
my($topDir, $installDir, $noUserCheck) = @_;
- my $bpc = bless {
+ my $paths = {
TopDir => $topDir || '/data/BackupPC',
BinDir => $installDir || '/usr/local/BackupPC',
LibDir => $installDir || '/usr/local/BackupPC',
- Version => '2.0.0beta3',
- BackupFields => [qw(
- num type startTime endTime
- nFiles size nFilesExist sizeExist nFilesNew sizeNew
- xferErrs xferBadFile xferBadShare tarErrs
- compress sizeExistComp sizeNewComp
- noFill fillFromNum mangle xferMethod level
- )],
- RestoreFields => [qw(
- num startTime endTime result errorMsg nFiles size
- tarCreateErrs xferErrs
- )],
+ };
+ $paths->{BinDir} .= "/bin";
+ $paths->{LibDir} .= "/lib";
+
+ $paths->{storage} = BackupPC::Storage->new($paths);
+
+ my $bpc = bless {
+ %$paths,
+ Version => '2.1.0',
}, $class;
- $bpc->{BinDir} .= "/bin";
- $bpc->{LibDir} .= "/lib";
+
#
# Clean up %ENV and setup other variables.
#
print(STDERR $error, "\n");
return;
}
+
#
# Verify we are running as the correct user
#
if ( !$noUserCheck
&& $bpc->{Conf}{BackupPCUserVerify}
&& $> != (my $uid = (getpwnam($bpc->{Conf}{BackupPCUser}))[2]) ) {
- print("Wrong user: my userid is $>, instead of $uid"
+ print(STDERR "Wrong user: my userid is $>, instead of $uid"
. " ($bpc->{Conf}{BackupPCUser})\n");
return;
}
sub adminJob
{
- return " admin ";
+ my($bpc, $num) = @_;
+ return " admin " if ( !$num );
+ return " admin$num ";
+}
+
+sub isAdminJob
+{
+ my($bpc, $str) = @_;
+ return $str =~ /^ admin/;
}
sub trashJob
return $bpc->{verbose};
}
-sub timeStamp
+sub sigName2num
{
- my($bpc, $t, $noPad) = @_;
- my($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)
- = localtime($t || time);
- $year += 1900;
- $mon++;
- return "$year/$mon/$mday " . sprintf("%02d:%02d:%02d", $hour, $min, $sec)
- . ($noPad ? "" : " ");
+ my($bpc, $sig) = @_;
+
+ if ( !defined($bpc->{SigName2Num}) ) {
+ my $i = 0;
+ foreach my $name ( split(' ', $Config{sig_name}) ) {
+ $bpc->{SigName2Num}{$name} = $i;
+ $i++;
+ }
+ }
+ return $bpc->{SigName2Num}{$sig};
}
#
-# An ISO 8601-compliant version of timeStamp. Needed by the
-# --newer-mtime argument to GNU tar in BackupPC::Xfer::Tar.
-# Also see http://www.w3.org/TR/NOTE-datetime.
+# Generate an ISO 8601 format timeStamp (but without the "T").
+# See http://www.w3.org/TR/NOTE-datetime and
+# http://www.cl.cam.ac.uk/~mgk25/iso-time.html
#
-sub timeStampISO
+sub timeStamp
{
my($bpc, $t, $noPad) = @_;
my($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)
= localtime($t || time);
- $year += 1900;
- $mon++;
- return sprintf("%04d-%02d-%02d ", $year, $mon, $mday)
- . sprintf("%02d:%02d:%02d", $hour, $min, $sec)
- . ($noPad ? "" : " ");
+ return sprintf("%04d-%02d-%02d %02d:%02d:%02d",
+ $year + 1900, $mon + 1, $mday, $hour, $min, $sec)
+ . ($noPad ? "" : " ");
}
sub BackupInfoRead
{
my($bpc, $host) = @_;
- local(*BK_INFO, *LOCK);
- my(@Backups);
-
- flock(LOCK, LOCK_EX) if open(LOCK, "$bpc->{TopDir}/pc/$host/LOCK");
- if ( open(BK_INFO, "$bpc->{TopDir}/pc/$host/backups") ) {
- while ( <BK_INFO> ) {
- s/[\n\r]+//;
- next if ( !/^(\d+\t(incr|full)[\d\t]*$)/ );
- $_ = $1;
- @{$Backups[@Backups]}{@{$bpc->{BackupFields}}} = split(/\t/);
- }
- close(BK_INFO);
- }
- close(LOCK);
- return @Backups;
+
+ return $bpc->{storage}->BackupInfoRead($host);
}
sub BackupInfoWrite
{
my($bpc, $host, @Backups) = @_;
- local(*BK_INFO, *LOCK);
- my($i);
-
- flock(LOCK, LOCK_EX) if open(LOCK, "$bpc->{TopDir}/pc/$host/LOCK");
- unlink("$bpc->{TopDir}/pc/$host/backups.old")
- if ( -f "$bpc->{TopDir}/pc/$host/backups.old" );
- rename("$bpc->{TopDir}/pc/$host/backups",
- "$bpc->{TopDir}/pc/$host/backups.old")
- if ( -f "$bpc->{TopDir}/pc/$host/backups" );
- if ( open(BK_INFO, ">$bpc->{TopDir}/pc/$host/backups") ) {
- for ( $i = 0 ; $i < @Backups ; $i++ ) {
- my %b = %{$Backups[$i]};
- printf(BK_INFO "%s\n", join("\t", @b{@{$bpc->{BackupFields}}}));
- }
- close(BK_INFO);
- }
- close(LOCK);
+
+ return $bpc->{storage}->BackupInfoWrite($host, @Backups);
}
sub RestoreInfoRead
{
my($bpc, $host) = @_;
- local(*RESTORE_INFO, *LOCK);
- my(@Restores);
-
- flock(LOCK, LOCK_EX) if open(LOCK, "$bpc->{TopDir}/pc/$host/LOCK");
- if ( open(RESTORE_INFO, "$bpc->{TopDir}/pc/$host/restores") ) {
- while ( <RESTORE_INFO> ) {
- s/[\n\r]+//;
- next if ( !/^(\d+.*)/ );
- $_ = $1;
- @{$Restores[@Restores]}{@{$bpc->{RestoreFields}}} = split(/\t/);
- }
- close(RESTORE_INFO);
- }
- close(LOCK);
- return @Restores;
+
+ return $bpc->{storage}->RestoreInfoRead($host);
}
sub RestoreInfoWrite
{
my($bpc, $host, @Restores) = @_;
- local(*RESTORE_INFO, *LOCK);
- my($i);
-
- flock(LOCK, LOCK_EX) if open(LOCK, "$bpc->{TopDir}/pc/$host/LOCK");
- unlink("$bpc->{TopDir}/pc/$host/restores.old")
- if ( -f "$bpc->{TopDir}/pc/$host/restores.old" );
- rename("$bpc->{TopDir}/pc/$host/restores",
- "$bpc->{TopDir}/pc/$host/restores.old")
- if ( -f "$bpc->{TopDir}/pc/$host/restores" );
- if ( open(RESTORE_INFO, ">$bpc->{TopDir}/pc/$host/restores") ) {
- for ( $i = 0 ; $i < @Restores ; $i++ ) {
- my %b = %{$Restores[$i]};
- printf(RESTORE_INFO "%s\n",
- join("\t", @b{@{$bpc->{RestoreFields}}}));
- }
- close(RESTORE_INFO);
- }
- close(LOCK);
+
+ return $bpc->{storage}->RestoreInfoWrite($host, @Restores);
+}
+
+sub ArchiveInfoRead
+{
+ my($bpc, $host) = @_;
+
+ return $bpc->{storage}->ArchiveInfoRead($host);
+}
+
+sub ArchiveInfoWrite
+{
+ my($bpc, $host, @Archives) = @_;
+
+ return $bpc->{storage}->ArchiveInfoWrite($host, @Archives);
+}
+
+sub ConfigDataRead
+{
+ my($bpc, $host) = @_;
+
+ return $bpc->{storage}->ConfigDataRead($host);
+}
+
+sub ConfigDataWrite
+{
+ my($bpc, $host, $conf) = @_;
+
+ return $bpc->{storage}->ConfigDataWrite($host, $conf);
}
sub ConfigRead
{
my($bpc, $host) = @_;
- my($ret, $mesg, $config, @configs);
-
- $bpc->{Conf} = ();
- push(@configs, "$bpc->{TopDir}/conf/config.pl");
- push(@configs, "$bpc->{TopDir}/conf/$host.pl")
- if ( $host ne "config" && -f "$bpc->{TopDir}/conf/$host.pl" );
- push(@configs, "$bpc->{TopDir}/pc/$host/config.pl")
- if ( defined($host) && -f "$bpc->{TopDir}/pc/$host/config.pl" );
- foreach $config ( @configs ) {
- %Conf = ();
- if ( !defined($ret = do $config) && ($! || $@) ) {
- $mesg = "Couldn't open $config: $!" if ( $! );
- $mesg = "Couldn't execute $config: $@" if ( $@ );
- $mesg =~ s/[\n\r]+//;
- return $mesg;
- }
- %{$bpc->{Conf}} = ( %{$bpc->{Conf} || {}}, %Conf );
+ my($ret);
+
+ #
+ # Read main config file
+ #
+ my($mesg, $config) = $bpc->{storage}->ConfigDataRead();
+ return $mesg if ( defined($mesg) );
+
+ $bpc->{Conf} = $config;
+
+ #
+ # Read host config file
+ #
+ if ( $host ne "" ) {
+ ($mesg, $config) = $bpc->{storage}->ConfigDataRead($host);
+ return $mesg if ( defined($mesg) );
+ $bpc->{Conf} = { %{$bpc->{Conf}}, %$config };
}
- return if ( !defined($bpc->{Conf}{Language}) );
+
+ #
+ # Load optional perl modules
+ #
if ( defined($bpc->{Conf}{PerlModuleLoad}) ) {
#
# Load any user-specified perl modules. This is for
eval("use $module;");
}
}
+
+ #
+ # Load language file
+ #
+ return "No language setting" if ( !defined($bpc->{Conf}{Language}) );
my $langFile = "$bpc->{LibDir}/BackupPC/Lang/$bpc->{Conf}{Language}.pm";
if ( !defined($ret = do $langFile) && ($! || $@) ) {
$mesg = "Couldn't open language file $langFile: $!" if ( $! );
sub ConfigMTime
{
my($bpc) = @_;
- return (stat("$bpc->{TopDir}/conf/config.pl"))[9];
+
+ return $bpc->{storage}->ConfigMTime();
}
#
sub HostInfoRead
{
my($bpc, $host) = @_;
- my(%hosts, @hdr, @fld);
- local(*HOST_INFO);
- if ( !open(HOST_INFO, "$bpc->{TopDir}/conf/hosts") ) {
- print(STDERR $bpc->timeStamp,
- "Can't open $bpc->{TopDir}/conf/hosts\n");
- return {};
- }
- while ( <HOST_INFO> ) {
- s/[\n\r]+//;
- s/#.*//;
- s/\s+$//;
- next if ( /^\s*$/ || !/^([\w\.\\-]+\s+.*)/ );
- #
- # Split on white space, except if preceded by \
- # using zero-width negative look-behind assertion
- # (always wanted to use one of those).
- #
- @fld = split(/(?<!\\)\s+/, $1);
- #
- # Remove any \
- #
- foreach ( @fld ) {
- s{\\(\s)}{$1}g;
- }
- if ( @hdr ) {
- if ( defined($host) ) {
- next if ( lc($fld[0]) ne $host );
- @{$hosts{lc($fld[0])}}{@hdr} = @fld;
- close(HOST_INFO);
- return \%hosts;
- } else {
- @{$hosts{lc($fld[0])}}{@hdr} = @fld;
- }
- } else {
- @hdr = @fld;
- }
- }
- close(HOST_INFO);
- return \%hosts;
+ return $bpc->{storage}->HostInfoRead($host);
}
#
sub HostsMTime
{
my($bpc) = @_;
- return (stat("$bpc->{TopDir}/conf/hosts"))[9];
+
+ return $bpc->{storage}->HostsMTime();
}
#
if ( defined($roots) && length($roots) ) {
$roots = [$roots] unless ref $roots;
} else {
- print "RmTreeQuiet: No root path(s) specified\n";
+ print(STDERR "RmTreeQuiet: No root path(s) specified\n");
}
chdir($pwd);
foreach $root (@{$roots}) {
#
if ( !unlink($root) ) {
if ( -d $root ) {
- my $d = DirHandle->new($root)
- or print "Can't read $pwd/$root: $!";
- @files = $d->read;
- $d->close;
- @files = grep $_!~/^\.{1,2}$/, @files;
- $bpc->RmTreeQuiet("$pwd/$root", \@files);
- chdir($pwd);
- rmdir($root) || rmdir($root);
+ my $d = DirHandle->new($root);
+ if ( !defined($d) ) {
+ print(STDERR "Can't read $pwd/$root: $!\n");
+ } else {
+ @files = $d->read;
+ $d->close;
+ @files = grep $_!~/^\.{1,2}$/, @files;
+ $bpc->RmTreeQuiet("$pwd/$root", \@files);
+ chdir($pwd);
+ rmdir($root) || rmdir($root);
+ }
} else {
unlink($root) || unlink($root);
}
$name = $1 if ( $name =~ /(.*)/ );
return ("", 0) if ( $fileSize == 0 );
return ("", -1) if ( !open(N, $name) );
+ binmode(N);
$md5->reset();
$md5->add($fileSize);
if ( $fileSize > 262144 ) {
return -2 if ( !defined($rawFile = $bpc->MD52Path($d, $compress)) );
$rawFile .= "_$i" if ( $i >= 0 );
if ( -f $rawFile ) {
- if ( !compare($name, $rawFile) ) {
+ if ( (stat(_))[3] < $bpc->{Conf}{HardLinkMax}
+ && !compare($name, $rawFile) ) {
unlink($name);
return -3 if ( !link($rawFile, $name) );
return 1;
# Return success if the ping cmd is undefined or empty.
#
if ( $bpc->{Conf}{PingCmd} eq "" ) {
- print("CheckHostAlive: return ok because \$Conf{PingCmd} is empty\n")
- if ( $bpc->{verbose} );
+ print(STDERR "CheckHostAlive: return ok because \$Conf{PingCmd}"
+ . " is empty\n") if ( $bpc->{verbose} );
return 0;
}
#
$s = $bpc->cmdSystemOrEval($pingCmd, undef, $args);
if ( $? ) {
- print("CheckHostAlive: first ping failed ($?, $!)\n")
+ print(STDERR "CheckHostAlive: first ping failed ($?, $!)\n")
if ( $bpc->{verbose} );
return -1;
}
#
$s = $bpc->cmdSystemOrEval($pingCmd, undef, $args);
if ( $? ) {
- print("CheckHostAlive: second ping failed ($?, $!)\n")
+ print(STDERR "CheckHostAlive: second ping failed ($?, $!)\n")
if ( $bpc->{verbose} );
return -1;
}
} elsif ( $s =~ /time=([\d\.]+)\s*usec/i ) {
$ret = $1/1000;
} else {
- print("CheckHostAlive: can't extract round-trip time (not fatal)\n")
- if ( $bpc->{verbose} );
+ print(STDERR "CheckHostAlive: can't extract round-trip time"
+ . " (not fatal)\n") if ( $bpc->{verbose} );
$ret = 0;
}
- print("CheckHostAlive: returning $ret\n") if ( $bpc->{verbose} );
+ print(STDERR "CheckHostAlive: returning $ret\n") if ( $bpc->{verbose} );
return $ret;
}
# Skip NetBios check if NmbLookupCmd is emtpy
#
if ( $bpc->{Conf}{NmbLookupCmd} eq "" ) {
- print("NetBiosInfoGet: return $host because \$Conf{NmbLookupCmd}"
- . " is empty\n")
- if ( $bpc->{verbose} );
+ print(STDERR "NetBiosInfoGet: return $host because \$Conf{NmbLookupCmd}"
+ . " is empty\n") if ( $bpc->{verbose} );
return ($host, undef);
}
$netBiosUserName = $1 if ( $2 eq "03" ); # user is last 03
}
if ( !defined($netBiosHostName) ) {
- print("NetBiosInfoGet: failed: can't parse return string\n")
+ print(STDERR "NetBiosInfoGet: failed: can't parse return string\n")
if ( $bpc->{verbose} );
return;
}
$netBiosHostName = lc($netBiosHostName);
$netBiosUserName = lc($netBiosUserName);
- print("NetBiosInfoGet: success, returning host $netBiosHostName,"
- . " user $netBiosUserName\n")
- if ( $bpc->{verbose} );
+ print(STDERR "NetBiosInfoGet: success, returning host $netBiosHostName,"
+ . " user $netBiosUserName\n") if ( $bpc->{verbose} );
return ($netBiosHostName, $netBiosUserName);
}
# Skip NetBios lookup if NmbLookupFindHostCmd is emtpy
#
if ( $bpc->{Conf}{NmbLookupFindHostCmd} eq "" ) {
- print("NetBiosHostIPFind: return $host because"
+ print(STDERR "NetBiosHostIPFind: return $host because"
. " \$Conf{NmbLookupFindHostCmd} is empty\n")
if ( $bpc->{verbose} );
return $host;
}
$ipAddr = $firstIpAddr if ( !defined($ipAddr) );
if ( defined($ipAddr) ) {
- print("NetBiosHostIPFind: found IP address $ipAddr for host $host\n")
- if ( $bpc->{verbose} );
+ print(STDERR "NetBiosHostIPFind: found IP address $ipAddr for"
+ . " host $host\n") if ( $bpc->{verbose} );
return $ipAddr;
} else {
- print("NetBiosHostIPFind: couldn't find IP address for host $host\n")
- if ( $bpc->{verbose} );
+ print(STDERR "NetBiosHostIPFind: couldn't find IP address for"
+ . " host $host\n") if ( $bpc->{verbose} );
return;
}
}
if ( (ref($cmd) eq "ARRAY" ? $cmd->[0] : $cmd) =~ /^\&/ ) {
$cmd = join(" ", $cmd) if ( ref($cmd) eq "ARRAY" );
- print("cmdExecOrEval: about to eval perl code $cmd\n")
+ print(STDERR "cmdExecOrEval: about to eval perl code $cmd\n")
if ( $bpc->{verbose} );
eval($cmd);
print(STDERR "Perl code fragment for exec shouldn't return!!\n");
exit(1);
} else {
$cmd = [split(/\s+/, $cmd)] if ( ref($cmd) ne "ARRAY" );
- print("cmdExecOrEval: about to exec ",
+ print(STDERR "cmdExecOrEval: about to exec ",
$bpc->execCmd2ShellCmd(@$cmd), "\n")
if ( $bpc->{verbose} );
- exec(map { m/(.*)/ } @$cmd); # untaint
+ alarm(0);
+ $cmd = [map { m/(.*)/ } @$cmd]; # untaint
+ #
+ # force list-form of exec(), ie: no shell even for 1 arg
+ #
+ exec { $cmd->[0] } @$cmd;
print(STDERR "Exec failed for @$cmd\n");
exit(1);
}
#
# Also, $? should be set when the CHILD pipe is closed.
#
-sub cmdSystemOrEval
+sub cmdSystemOrEvalLong
{
- my($bpc, $cmd, $stdoutCB, @args) = @_;
+ my($bpc, $cmd, $stdoutCB, $ignoreStderr, $pidHandlerCB, @args) = @_;
my($pid, $out, $allOut);
local(*CHILD);
if ( (ref($cmd) eq "ARRAY" ? $cmd->[0] : $cmd) =~ /^\&/ ) {
$cmd = join(" ", $cmd) if ( ref($cmd) eq "ARRAY" );
- print("cmdSystemOrEval: about to eval perl code $cmd\n")
+ print(STDERR "cmdSystemOrEval: about to eval perl code $cmd\n")
if ( $bpc->{verbose} );
$out = eval($cmd);
$$stdoutCB .= $out if ( ref($stdoutCB) eq 'SCALAR' );
&$stdoutCB($out) if ( ref($stdoutCB) eq 'CODE' );
- print("cmdSystemOrEval: finished: got output $out\n")
+ print(STDERR "cmdSystemOrEval: finished: got output $out\n")
if ( $bpc->{verbose} );
return $out if ( !defined($stdoutCB) );
return;
} else {
$cmd = [split(/\s+/, $cmd)] if ( ref($cmd) ne "ARRAY" );
- print("cmdSystemOrEval: about to system ",
+ print(STDERR "cmdSystemOrEval: about to system ",
$bpc->execCmd2ShellCmd(@$cmd), "\n")
if ( $bpc->{verbose} );
if ( !defined($pid = open(CHILD, "-|")) ) {
return $err if ( !defined($stdoutCB) );
return;
}
+ binmode(CHILD);
if ( !$pid ) {
#
# This is the child
#
close(STDERR);
- open(STDERR, ">&STDOUT");
- exec(map { m/(.*)/ } @$cmd); # untaint
- print("Exec of @$cmd failed\n");
+ if ( $ignoreStderr ) {
+ open(STDERR, ">", "/dev/null");
+ } else {
+ open(STDERR, ">&STDOUT");
+ }
+ alarm(0);
+ $cmd = [map { m/(.*)/ } @$cmd]; # untaint
+ #
+ # force list-form of exec(), ie: no shell even for 1 arg
+ #
+ exec { $cmd->[0] } @$cmd;
+ print(STDERR "Exec of @$cmd failed\n");
exit(1);
}
+
+ #
+ # Notify caller of child's pid
+ #
+ &$pidHandlerCB($pid) if ( ref($pidHandlerCB) eq "CODE" );
+
#
# The parent gathers the output from the child
#
$? = 0;
close(CHILD);
}
- print("cmdSystemOrEval: finished: got output $allOut\n")
+ print(STDERR "cmdSystemOrEval: finished: got output $allOut\n")
if ( $bpc->{verbose} );
return $out;
}
+#
+# The shorter version that sets $ignoreStderr = 0, ie: merges stdout
+# and stderr together.
+#
+sub cmdSystemOrEval
+{
+ my($bpc, $cmd, $stdoutCB, @args) = @_;
+
+ return $bpc->cmdSystemOrEvalLong($cmd, $stdoutCB, 0, undef, @args);
+}
+
+
+#
+# Promotes $conf->{BackupFilesOnly}, $conf->{BackupFilesExclude}
+# to hashes and $conf->{$shareName} to an array
+#
+sub backupFileConfFix
+{
+ my($bpc, $conf, $shareName) = @_;
+
+ $conf->{$shareName} = [ $conf->{$shareName} ]
+ if ( ref($conf->{$shareName}) ne "ARRAY" );
+ foreach my $param qw(BackupFilesOnly BackupFilesExclude) {
+ next if ( !defined($conf->{$param}) || ref($conf->{$param}) eq "HASH" );
+ $conf->{$param} = [ $conf->{$param} ]
+ if ( ref($conf->{$param}) ne "ARRAY" );
+ $conf->{$param} = { map { $_ => $conf->{$param} } @{$conf->{$shareName}} };
+ }
+}
+
1;
projects / BackupPC.git / blobdiff