[people/pmueller/ipfire-2.x.git] / config / updxlrator / updxlrator

#!/usr/bin/perl
#
# This code is distributed under the terms of the GPL
#
# (c) 2006-2009 marco.s - http://update-accelerator.advproxy.net
#
# Portions (c) 2008 by dotzball - http://www.blockouttraffic.de
#
# $Id: updxlrator,v 2.1 2009/01/10 00:00:00 marco.s Exp $
#

use strict;
use HTTP::Date;

$|=1;

my $swroot="/var/ipfire";
my $updcachedir="/var/updatecache";
my $apphome="/var/ipfire/updatexlrator";
my $logfile="/var/log/updatexlrator/cache.log";
my $wget="/usr/bin/wget";
my $debug=(-e "$apphome/debug");
my $http_port='81';
my %netsettings=();
my %proxysettings=();
my %xlratorsettings=();
my $logging=0;
my $passive_mode=0;
my $maxusage=0;
my $nice='';
my @tmp=();
my $request='';
my $xlrator_url=0;
my $source_url='';
my $hostaddr='';
my $username='';
my $method='';
my $unique = 0;
my $mirror = 1;

readhash("${swroot}/ethernet/settings", \%netsettings);

if (-e "$swroot/updatexlrator/settings")
{
	&readhash("$swroot/updatexlrator/settings", \%xlratorsettings);
	if ($xlratorsettings{'ENABLE_LOG'} eq 'on') { $logging=1; };
	if ($xlratorsettings{'PASSIVE_MODE'} eq 'on') { $passive_mode=1; };
	$maxusage=$xlratorsettings{'MAX_DISK_USAGE'};
	if ($xlratorsettings{'LOW_DOWNLOAD_PRIORITY'} eq 'on') { $nice='/bin/nice --adjustment=15 '; };
}
if (!$maxusage) { $maxusage=75; };

# dotzball: check for dead downloads
system("$apphome/bin/checkdeaddl &");

while (<>) {

	$request=$_;

	@tmp=split(/ /,$request);
	chomp(@tmp);

	$source_url = $tmp[0];
	$hostaddr   = $tmp[1]; while ($hostaddr =~ /.*\/$/) { chop $hostaddr; }
	$username   = $tmp[2]; if ($username eq '') { $username='-'; };
	$method     = $tmp[3];

	$xlrator_url = $source_url;

	if (($method eq 'GET') || ($method eq 'HEAD')) 
	{

	# -----------------------------------------------------------
	#  Section: Windows Update / Windows Downloads
	# -----------------------------------------------------------

	if (
	    (($source_url =~ m@^http://[^/]*\.microsoft\.com/.*\.(exe|psf|msi|msp|cab)$@i) ||
	     ($source_url =~ m@^http://[^/]*\.windowsupdate\.com/.*\.(exe|psf|msi|msp|cab)$@i))
	&&   ($source_url !~ m@^http://[^/]*\.microsoft\.com/.*(/autoupd|selfupdate/).*\.cab@i)
	&&   ($source_url !~ m@\&@)
	   )
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Microsoft",$unique);
	}

	# -----------------------------------------------------------
	#  Section: Adobe Downloads
	# -----------------------------------------------------------

	if (
	    ($source_url =~ m@^http://(ar)?download\.adobe\.com/.*\.(exe|msi|bin|dmg|idx|gz)$@i) ||
	    ($source_url =~ m@^http://swupdl\.adobe\.com/updates/.*\.(exe|msi|bin|dmg|idx|gz|[a-z][a-z]_[A-Z][A-Z])$@i) ||
	    ($source_url =~ m@^http://swupmf\.adobe\.com/manifest/.*\.upd$@i)
	   )
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Adobe",$unique);
	}

	# -----------------------------------------------------------
	#  Section: Linux Downloads
	# -----------------------------------------------------------

	if (
		($source_url =~ m@^[h|f]t?tp://[^?]+\.(deb|rpm)$@i) ||
		($source_url =~ m@^[h|f]t?tp://[^?]+/distfiles/[^?]+\.(tar\.gz|tar\.bz2|tgz|zip|patch\.bz2|gz|docx|patch|pdf|exe)$@i)
	)
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Linux",$mirror);
	}

	# -----------------------------------------------------------
	#  Section: Trend Micro Downloads
	# -----------------------------------------------------------

	if (
	    ($source_url =~ m@^http://[^/]*\.trendmicro\.com/activeupdate/.*@i) &&
	    ($source_url !~ m@.*/tmnotify\.dat$@i) &&
	    ($source_url !~ m@.*/ini_xml\.zip$@i) &&
	    ($source_url !~ m@.*/server\.ini$@i)
	   )
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"TrendMicro",$mirror);
	}

	# -----------------------------------------------------------
	#  Section: Symantec Downloads
	# -----------------------------------------------------------

	if ($source_url =~ m@^[h|f]tt?p://[^/]*\.symantec(liveupdate)?\.com/.*\.(exe|zip|vdb|xdb)$@i)
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Symantec",$unique);
	}

	# -----------------------------------------------------------
	#  Section: Apple Downloads
	# -----------------------------------------------------------

	if (
	     (($source_url =~ m@^http://swcdn\.apple\.com/content/downloads/.*\.(tar|pkg)$@i) ||
	     ($source_url =~ m@^http://appldnld\.apple\.com\.edgesuite\.net/.*\.(exe|dmg)$@i) ||
	     ($source_url =~ m@^http://.*\.g.akamai.net/.*/3093/1/.*\.(tar|pkg|dmg|exe)$@i))
	   )
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Apple",$unique);
	}

	# -----------------------------------------------------------
	#  Section: Avast Downloads
	# -----------------------------------------------------------

	if ($source_url =~ m@^http://download[\d]+\.avast\.com/.*\.(exe|vpu)$@i)
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Avast",$mirror);
	}

	# -----------------------------------------------------------
	
	# -----------------------------------------------------------
	# Section: Avira Downloads
	# -----------------------------------------------------------

	if (
		($source_url =~ m@^http://dl[0-9]\.avgate\.net/.*\.(htm|html|gz)$@i) ||
		($source_url =~ m@^http://80.190.130.19[4-5]/update/.*\.(htm|html|gz)$@i) ||
		($source_url =~ m@^http://62.146.64.14[6-7]/update/.*\.(htm|html|gz)$@i)
	)
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Avira",$mirror);
	}

	# -----------------------------------------------------------
	# Section: IPFire Downloads
	# -----------------------------------------------------------

	if ($source_url =~ m@^[f|h]t?tp://.*\.(ipfire)$@i)
	{
		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"IPFire",$mirror);
	}

	}
	
	# -----------------------------------------------------------
	# Section: AVG Downloads
	# -----------------------------------------------------------

#	if ($source_url =~ m@^http://[^/]*\.(grisoft|avg)\.com/.*\.(bin)$@i)
#	{
#		$xlrator_url = &check_cache($source_url,$hostaddr,$username,"AVG",$mirror);
#	}

	$request="$xlrator_url $hostaddr $username $method\n";

	print $request;
}

# -------------------------------------------------------------------

sub readhash
{
	my $filename = $_[0];
	my $hash = $_[1];
	my ($var, $val);

	if (-e $filename)
	{
		open(FILE, $filename) or die "Unable to read file $filename";
		while (<FILE>)
		{
			chop;
			($var, $val) = split /=/, $_, 2;
			if ($var)
			{
				$val =~ s/^\'//g;
				$val =~ s/\'$//g;

				# Untaint variables read from hash
				$var =~ /([A-Za-z0-9_-]*)/; $var = $1;
				$val =~ /([\w\W]*)/; $val = $1;
				$hash->{$var} = $val;
			}
		}
		close FILE;
	}
}

# -------------------------------------------------------------------

sub writelog
{
	if ($logging)
	{
		open(LOGFILE,">>$logfile");
		print LOGFILE time." $_[0] $_[1] $_[2] $_[3] $_[4]\n";
		close(LOGFILE);
	}
}

# -------------------------------------------------------------------

sub debuglog
{
	if ($debug)
	{
		open(LOGFILE,">>/var/log/updatexlrator/debug.log");
		my @now = localtime(time);
		printf LOGFILE "%04d-%02d-%02d %02d:%02d:%02d [%d] [%s] %s\n",$now[5]+1900,$now[4]+1,$now[3],$now[2],$now[1],$now[0],$$,"updxlrator",$_[0];
		close(LOGFILE);
	}
}

# -------------------------------------------------------------------

sub setcachestatus
{
	open (FILE,">>$_[0]");
	print FILE "$_[1]\n";
	close FILE;
}

# -------------------------------------------------------------------

sub diskfree 
{ 
	open(DF,"/bin/df --block-size=1 $_[0]|");
	my @dfdata = <DF>;
	close DF;
	shift(@dfdata);
	chomp(@dfdata);
	my $dfstr = join(' ',@dfdata);
	my ($device,$size,$used,$free,$percent,$mount) = split(' ',$dfstr);
	if ($free =~ m/^(\d+)$/)
	{
        	return $free;
	}
}

# -------------------------------------------------------------------

sub diskusage
{
	open(DF,"/bin/df $_[0]|");
	my @dfdata = <DF>;
	close DF;
	shift(@dfdata);
	chomp(@dfdata);
	my $dfstr = join(' ',@dfdata);
	my ($device,$size,$used,$free,$percent,$mount) = split(' ',$dfstr);
	if ($percent =~ m/^(\d+)%$/)
	{
        	$percent =~ s/%$//;
	        return $percent;
	}
}

# -------------------------------------------------------------------

sub getmtime
{
	my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks) = stat($_[0]);

	return $mtime;
}

# -------------------------------------------------------------------

sub check_cache 
{
	my $updsource="UPDCACHE";
	my $updfile='';
	my $cacheurl='';
	my $vendorid='';
	my $uuid='';
	my @http_header=();
	my $remote_size=0;
	my $remote_mtime=0;
	my $login='';
	my $useragent="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";

	my $sourceurl=$_[0];
	my $cfmirror=$_[4];

	$sourceurl =~ s@\%2f@/@ig;
	$updfile = substr($sourceurl,rindex($sourceurl,"/")+1);
	$updfile =~ s@\%20@ @ig;

	if ($cfmirror)
	{
		$uuid = `echo $updfile | md5sum`;
	} else {
		$uuid = `echo $sourceurl | md5sum`;
	}

	$uuid =~ s/[^0-9a-f]//g;
	$uuid =~ s/([a-f\d]{8})([a-f\d]{4})([a-f\d]{4})([a-f\d]{4})([a-f\d]{12})/$1-$2-$3-$4-$5/;

	$vendorid = $_[3];
	$vendorid =~ tr/A-Z/a-z/;

	&debuglog("Processing URL $sourceurl");
	&debuglog("Vendor ID is $vendorid");
	&debuglog("UUID is $uuid");

	if (($proxysettings{'UPSTREAM_PROXY'}) && ($proxysettings{'UPSTREAM_USER'}))
	{
		$login = "--proxy-user=\"$proxysettings{'UPSTREAM_USER'}\"";
		if ($proxysettings{'UPSTREAM_PASSWORD'})
		{
			$login .= " --proxy-password=\"$proxysettings{'UPSTREAM_PASSWORD'}\"";
		}
	}

	if ($proxysettings{'UPSTREAM_PROXY'}) { &debuglog("Using upstream proxy $proxysettings{'UPSTREAM_PROXY'}"); }

	$ENV{'http_proxy'} = $proxysettings{'UPSTREAM_PROXY'};
	@http_header = `$wget $login --user-agent="$useragent" --spider -S $sourceurl 2>&1`;
	$ENV{'http_proxy'} = '';

	foreach (@http_header) 
	{
		chomp;
		if (/^\s*Content-Length:\s/) { $remote_size = $_; $remote_size =~ s/[^0-9]//g; }
		if (/^\s*Last-Modified:\s/) { $remote_mtime = $_; $remote_mtime =~ s/^\s*Last-Modified:\s//; $remote_mtime = HTTP::Date::str2time($remote_mtime) }
	}

	if (
		(-e "$updcachedir/$vendorid/$uuid/$updfile") && 
		($remote_size == (-s "$updcachedir/$vendorid/$uuid/$updfile")) &&
		($remote_mtime == &getmtime("$updcachedir/$vendorid/$uuid/$updfile"))
	   )
	{
		&debuglog("File exists in cache and is up to date");
		&debuglog("Retrieving file from cache ($updsource)");
		&setcachestatus("$updcachedir/$vendorid/$uuid/access.log",time);
		$cacheurl="http://$netsettings{'GREEN_ADDRESS'}:$http_port/updatecache/$vendorid/$uuid/$updfile";
	}
		else
	{
		if (-e "$updcachedir/$vendorid/$uuid/$updfile")
		{
			&debuglog("Local filesize: " . (-s "$updcachedir/$vendorid/$uuid/$updfile"));
			&debuglog("Local timestamp: " . &getmtime("$updcachedir/$vendorid/$uuid/$updfile"));
		} else { &debuglog("File not found in cache"); }
		$updsource="DLSOURCE";
		&debuglog("Remote filesize: $remote_size");
		&debuglog("Remote timestamp: $remote_mtime");
		&debuglog("Free disk space: " . &diskfree($updcachedir));
		&debuglog("Disk usage: " . &diskusage($updcachedir) . "% (max. $maxusage%)");
		if (-e "$updcachedir/download/$vendorid/$updfile") { &debuglog("File download/$vendorid/$updfile exists"); }
		&debuglog("Retrieving file from source ($updsource)");
		if ((!$passive_mode) && (&diskusage($updcachedir) <= $maxusage) && ($remote_size <= &diskfree($updcachedir)) && (!-e "$updcachedir/download/$vendorid/$updfile"))
		{
			&debuglog("Running command $nice$apphome/bin/download $vendorid $sourceurl $cfmirror &");
			system("$nice$apphome/bin/download $vendorid $sourceurl $cfmirror &");
		}
		$cacheurl=$sourceurl;
	}

	&writelog($_[1],$_[2],$_[3],$updsource,$sourceurl);

	return $cacheurl;
}

# -------------------------------------------------------------------
Commit	Line	Data
	1	#!/usr/bin/perl
	2	#
	3	# This code is distributed under the terms of the GPL
	4	#
	5	# (c) 2006-2009 marco.s - http://update-accelerator.advproxy.net
	6	#
	7	# Portions (c) 2008 by dotzball - http://www.blockouttraffic.de
	8	#
	9	# $Id: updxlrator,v 2.1 2009/01/10 00:00:00 marco.s Exp $
	10	#
	11
	12	use strict;
	13	use HTTP::Date;
	14
	15	$\|=1;
	16
	17	my $swroot="/var/ipfire";
	18	my $updcachedir="/var/updatecache";
	19	my $apphome="/var/ipfire/updatexlrator";
	20	my $logfile="/var/log/updatexlrator/cache.log";
	21	my $wget="/usr/bin/wget";
	22	my $debug=(-e "$apphome/debug");
	23	my $http_port='81';
	24	my %netsettings=();
	25	my %proxysettings=();
	26	my %xlratorsettings=();
	27	my $logging=0;
	28	my $passive_mode=0;
	29	my $maxusage=0;
	30	my $nice='';
	31	my @tmp=();
	32	my $request='';
	33	my $xlrator_url=0;
	34	my $source_url='';
	35	my $hostaddr='';
	36	my $username='';
	37	my $method='';
	38	my $unique = 0;
	39	my $mirror = 1;
	40
	41	readhash("${swroot}/ethernet/settings", \%netsettings);
	42
	43	if (-e "$swroot/updatexlrator/settings")
	44	{
	45	&readhash("$swroot/updatexlrator/settings", \%xlratorsettings);
	46	if ($xlratorsettings{'ENABLE_LOG'} eq 'on') { $logging=1; };
	47	if ($xlratorsettings{'PASSIVE_MODE'} eq 'on') { $passive_mode=1; };
	48	$maxusage=$xlratorsettings{'MAX_DISK_USAGE'};
	49	if ($xlratorsettings{'LOW_DOWNLOAD_PRIORITY'} eq 'on') { $nice='/bin/nice --adjustment=15 '; };
	50	}
	51	if (!$maxusage) { $maxusage=75; };
	52
	53	# dotzball: check for dead downloads
	54	system("$apphome/bin/checkdeaddl &");
	55
	56	while (<>) {
	57
	58	$request=$_;
	59
	60	@tmp=split(/ /,$request);
	61	chomp(@tmp);
	62
	63	$source_url = $tmp[0];
	64	$hostaddr = $tmp[1]; while ($hostaddr =~ /.*\/$/) { chop $hostaddr; }
	65	$username = $tmp[2]; if ($username eq '') { $username='-'; };
	66	$method = $tmp[3];
	67
	68	$xlrator_url = $source_url;
	69
	70	if (($method eq 'GET') \|\| ($method eq 'HEAD'))
	71	{
	72
	73	# -----------------------------------------------------------
	74	# Section: Windows Update / Windows Downloads
	75	# -----------------------------------------------------------
	76
	77	if (
	78	(($source_url =~ m@^http://[^/]\.microsoft\.com/.\.(exe\|psf\|msi\|msp\|cab)$@i) \|\|
	79	($source_url =~ m@^http://[^/]\.windowsupdate\.com/.\.(exe\|psf\|msi\|msp\|cab)$@i))
	80	&& ($source_url !~ m@^http://[^/]\.microsoft\.com/.(/autoupd\|selfupdate/).*\.cab@i)
	81	&& ($source_url !~ m@\&@)
	82	)
	83	{
	84	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Microsoft",$unique);
	85	}
	86
	87	# -----------------------------------------------------------
	88	# Section: Adobe Downloads
	89	# -----------------------------------------------------------
	90
	91	if (
	92	($source_url =~ m@^http://(ar)?download\.adobe\.com/.*\.(exe\|msi\|bin\|dmg\|idx\|gz)$@i) \|\|
	93	($source_url =~ m@^http://swupdl\.adobe\.com/updates/.*\.(exe\|msi\|bin\|dmg\|idx\|gz\|[a-z][a-z]_[A-Z][A-Z])$@i) \|\|
	94	($source_url =~ m@^http://swupmf\.adobe\.com/manifest/.*\.upd$@i)
	95	)
	96	{
	97	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Adobe",$unique);
	98	}
	99
	100	# -----------------------------------------------------------
	101	# Section: Linux Downloads
	102	# -----------------------------------------------------------
	103
	104	if (
	105	($source_url =~ m@^[h\|f]t?tp://[^?]+\.(deb\|rpm)$@i) \|\|
	106	($source_url =~ m@^[h\|f]t?tp://[^?]+/distfiles/[^?]+\.(tar\.gz\|tar\.bz2\|tgz\|zip\|patch\.bz2\|gz\|docx\|patch\|pdf\|exe)$@i)
	107	)
	108	{
	109	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Linux",$mirror);
	110	}
	111
	112	# -----------------------------------------------------------
	113	# Section: Trend Micro Downloads
	114	# -----------------------------------------------------------
	115
	116	if (
	117	($source_url =~ m@^http://[^/]\.trendmicro\.com/activeupdate/.@i) &&
	118	($source_url !~ m@.*/tmnotify\.dat$@i) &&
	119	($source_url !~ m@.*/ini_xml\.zip$@i) &&
	120	($source_url !~ m@.*/server\.ini$@i)
	121	)
	122	{
	123	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"TrendMicro",$mirror);
	124	}
	125
	126	# -----------------------------------------------------------
	127	# Section: Symantec Downloads
	128	# -----------------------------------------------------------
	129
	130	if ($source_url =~ m@^[h\|f]tt?p://[^/]\.symantec(liveupdate)?\.com/.\.(exe\|zip\|vdb\|xdb)$@i)
	131	{
	132	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Symantec",$unique);
	133	}
	134
	135	# -----------------------------------------------------------
	136	# Section: Apple Downloads
	137	# -----------------------------------------------------------
	138
	139	if (
	140	(($source_url =~ m@^http://swcdn\.apple\.com/content/downloads/.*\.(tar\|pkg)$@i) \|\|
	141	($source_url =~ m@^http://appldnld\.apple\.com\.edgesuite\.net/.*\.(exe\|dmg)$@i) \|\|
	142	($source_url =~ m@^http://.\.g.akamai.net/./3093/1/.*\.(tar\|pkg\|dmg\|exe)$@i))
	143	)
	144	{
	145	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Apple",$unique);
	146	}
	147
	148	# -----------------------------------------------------------
	149	# Section: Avast Downloads
	150	# -----------------------------------------------------------
	151
	152	if ($source_url =~ m@^http://download[\d]+\.avast\.com/.*\.(exe\|vpu)$@i)
	153	{
	154	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Avast",$mirror);
	155	}
	156
	157	# -----------------------------------------------------------
	158
	159	# -----------------------------------------------------------
	160	# Section: Avira Downloads
	161	# -----------------------------------------------------------
	162
	163	if (
	164	($source_url =~ m@^http://dl[0-9]\.avgate\.net/.*\.(htm\|html\|gz)$@i) \|\|
	165	($source_url =~ m@^http://80.190.130.19[4-5]/update/.*\.(htm\|html\|gz)$@i) \|\|
	166	($source_url =~ m@^http://62.146.64.14[6-7]/update/.*\.(htm\|html\|gz)$@i)
	167	)
	168	{
	169	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"Avira",$mirror);
	170	}
	171
	172	# -----------------------------------------------------------
	173	# Section: IPFire Downloads
	174	# -----------------------------------------------------------
	175
	176	if ($source_url =~ m@^[f\|h]t?tp://.*\.(ipfire)$@i)
	177	{
	178	$xlrator_url = &check_cache($source_url,$hostaddr,$username,"IPFire",$mirror);
	179	}
	180
	181	}
	182
	183	# -----------------------------------------------------------
	184	# Section: AVG Downloads
	185	# -----------------------------------------------------------
	186
	187	# if ($source_url =~ m@^http://[^/]\.(grisoft\|avg)\.com/.\.(bin)$@i)
	188	# {
	189	# $xlrator_url = &check_cache($source_url,$hostaddr,$username,"AVG",$mirror);
	190	# }
	191
	192	$request="$xlrator_url $hostaddr $username $method\n";
	193
	194	print $request;
	195	}
	196
	197	# -------------------------------------------------------------------
	198
	199	sub readhash
	200	{
	201	my $filename = $_[0];
	202	my $hash = $_[1];
	203	my ($var, $val);
	204
	205	if (-e $filename)
	206	{
	207	open(FILE, $filename) or die "Unable to read file $filename";
	208	while (<FILE>)
	209	{
	210	chop;
	211	($var, $val) = split /=/, $_, 2;
	212	if ($var)
	213	{
	214	$val =~ s/^\'//g;
	215	$val =~ s/\'$//g;
	216
	217	# Untaint variables read from hash
	218	$var =~ /([A-Za-z0-9_-]*)/; $var = $1;
	219	$val =~ /([\w\W]*)/; $val = $1;
	220	$hash->{$var} = $val;
	221	}
	222	}
	223	close FILE;
	224	}
	225	}
	226
	227	# -------------------------------------------------------------------
	228
	229	sub writelog
	230	{
	231	if ($logging)
	232	{
	233	open(LOGFILE,">>$logfile");
	234	print LOGFILE time." $_[0] $_[1] $_[2] $_[3] $_[4]\n";
	235	close(LOGFILE);
	236	}
	237	}
	238
	239	# -------------------------------------------------------------------
	240
	241	sub debuglog
	242	{
	243	if ($debug)
	244	{
	245	open(LOGFILE,">>/var/log/updatexlrator/debug.log");
	246	my @now = localtime(time);
	247	printf LOGFILE "%04d-%02d-%02d %02d:%02d:%02d [%d] [%s] %s\n",$now[5]+1900,$now[4]+1,$now[3],$now[2],$now[1],$now[0],$$,"updxlrator",$_[0];
	248	close(LOGFILE);
	249	}
	250	}
	251
	252	# -------------------------------------------------------------------
	253
	254	sub setcachestatus
	255	{
	256	open (FILE,">>$_[0]");
	257	print FILE "$_[1]\n";
	258	close FILE;
	259	}
	260
	261	# -------------------------------------------------------------------
	262
	263	sub diskfree
	264	{
	265	open(DF,"/bin/df --block-size=1 $_[0]\|");
	266	my @dfdata = <DF>;
	267	close DF;
	268	shift(@dfdata);
	269	chomp(@dfdata);
	270	my $dfstr = join(' ',@dfdata);
	271	my ($device,$size,$used,$free,$percent,$mount) = split(' ',$dfstr);
	272	if ($free =~ m/^(\d+)$/)
	273	{
	274	return $free;
	275	}
	276	}
	277
	278	# -------------------------------------------------------------------
	279
	280	sub diskusage
	281	{
	282	open(DF,"/bin/df $_[0]\|");
	283	my @dfdata = <DF>;
	284	close DF;
	285	shift(@dfdata);
	286	chomp(@dfdata);
	287	my $dfstr = join(' ',@dfdata);
	288	my ($device,$size,$used,$free,$percent,$mount) = split(' ',$dfstr);
	289	if ($percent =~ m/^(\d+)%$/)
	290	{
	291	$percent =~ s/%$//;
	292	return $percent;
	293	}
	294	}
	295
	296	# -------------------------------------------------------------------
	297
	298	sub getmtime
	299	{
	300	my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks) = stat($_[0]);
	301
	302	return $mtime;
	303	}
	304
	305	# -------------------------------------------------------------------
	306
	307	sub check_cache
	308	{
	309	my $updsource="UPDCACHE";
	310	my $updfile='';
	311	my $cacheurl='';
	312	my $vendorid='';
	313	my $uuid='';
	314	my @http_header=();
	315	my $remote_size=0;
	316	my $remote_mtime=0;
	317	my $login='';
	318	my $useragent="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
	319
	320	my $sourceurl=$_[0];
	321	my $cfmirror=$_[4];
	322
	323	$sourceurl =~ s@\%2f@/@ig;
	324	$updfile = substr($sourceurl,rindex($sourceurl,"/")+1);
	325	$updfile =~ s@\%20@ @ig;
	326
	327	if ($cfmirror)
	328	{
	329	$uuid = `echo $updfile \| md5sum`;
	330	} else {
	331	$uuid = `echo $sourceurl \| md5sum`;
	332	}
	333
	334	$uuid =~ s/[^0-9a-f]//g;
	335	$uuid =~ s/([a-f\d]{8})([a-f\d]{4})([a-f\d]{4})([a-f\d]{4})([a-f\d]{12})/$1-$2-$3-$4-$5/;
	336
	337	$vendorid = $_[3];
	338	$vendorid =~ tr/A-Z/a-z/;
	339
	340	&debuglog("Processing URL $sourceurl");
	341	&debuglog("Vendor ID is $vendorid");
	342	&debuglog("UUID is $uuid");
	343
	344	if (($proxysettings{'UPSTREAM_PROXY'}) && ($proxysettings{'UPSTREAM_USER'}))
	345	{
	346	$login = "--proxy-user=\"$proxysettings{'UPSTREAM_USER'}\"";
	347	if ($proxysettings{'UPSTREAM_PASSWORD'})
	348	{
	349	$login .= " --proxy-password=\"$proxysettings{'UPSTREAM_PASSWORD'}\"";
	350	}
	351	}
	352
	353	if ($proxysettings{'UPSTREAM_PROXY'}) { &debuglog("Using upstream proxy $proxysettings{'UPSTREAM_PROXY'}"); }
	354
	355	$ENV{'http_proxy'} = $proxysettings{'UPSTREAM_PROXY'};
	356	@http_header = `$wget $login --user-agent="$useragent" --spider -S $sourceurl 2>&1`;
	357	$ENV{'http_proxy'} = '';
	358
	359	foreach (@http_header)
	360	{
	361	chomp;
	362	if (/^\s*Content-Length:\s/) { $remote_size = $_; $remote_size =~ s/[^0-9]//g; }
	363	if (/^\sLast-Modified:\s/) { $remote_mtime = $_; $remote_mtime =~ s/^\sLast-Modified:\s//; $remote_mtime = HTTP::Date::str2time($remote_mtime) }
	364	}
	365
	366	if (
	367	(-e "$updcachedir/$vendorid/$uuid/$updfile") &&
	368	($remote_size == (-s "$updcachedir/$vendorid/$uuid/$updfile")) &&
	369	($remote_mtime == &getmtime("$updcachedir/$vendorid/$uuid/$updfile"))
	370	)
	371	{
	372	&debuglog("File exists in cache and is up to date");
	373	&debuglog("Retrieving file from cache ($updsource)");
	374	&setcachestatus("$updcachedir/$vendorid/$uuid/access.log",time);
	375	$cacheurl="http://$netsettings{'GREEN_ADDRESS'}:$http_port/updatecache/$vendorid/$uuid/$updfile";
	376	}
	377	else
	378	{
	379	if (-e "$updcachedir/$vendorid/$uuid/$updfile")
	380	{
	381	&debuglog("Local filesize: " . (-s "$updcachedir/$vendorid/$uuid/$updfile"));
	382	&debuglog("Local timestamp: " . &getmtime("$updcachedir/$vendorid/$uuid/$updfile"));
	383	} else { &debuglog("File not found in cache"); }
	384	$updsource="DLSOURCE";
	385	&debuglog("Remote filesize: $remote_size");
	386	&debuglog("Remote timestamp: $remote_mtime");
	387	&debuglog("Free disk space: " . &diskfree($updcachedir));
	388	&debuglog("Disk usage: " . &diskusage($updcachedir) . "% (max. $maxusage%)");
	389	if (-e "$updcachedir/download/$vendorid/$updfile") { &debuglog("File download/$vendorid/$updfile exists"); }
	390	&debuglog("Retrieving file from source ($updsource)");
	391	if ((!$passive_mode) && (&diskusage($updcachedir) <= $maxusage) && ($remote_size <= &diskfree($updcachedir)) && (!-e "$updcachedir/download/$vendorid/$updfile"))
	392	{
	393	&debuglog("Running command $nice$apphome/bin/download $vendorid $sourceurl $cfmirror &");
	394	system("$nice$apphome/bin/download $vendorid $sourceurl $cfmirror &");
	395	}
	396	$cacheurl=$sourceurl;
	397	}
	398
	399	&writelog($_[1],$_[2],$_[3],$updsource,$sourceurl);
	400
	401	return $cacheurl;
	402	}
	403
	404	# -------------------------------------------------------------------