config/updxlrator/updxlrator

   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",$unique);
  98         }
  99
 100         # -----------------------------------------------------------
 101         #  Section: Linux Downloads
 102         # -----------------------------------------------------------
 103
 104         if ($source_url =~ m@^[h|f]t?tp://[^?]+\.(deb|rpm)$@i)
 105         {
 106                 $xlrator_url = &check_cache($source_url,$hostaddr,$username,"Linux",$mirror);
 107         }
 108
 109         # -----------------------------------------------------------
 110         #  Section: Trend Micro Downloads
 111         # -----------------------------------------------------------
 112
 113         if (
 114             ($source_url =~ m@^http://[^/]*\.trendmicro\.com/activeupdate/.*@i) &&
 115             ($source_url !~ m@.*/tmnotify\.dat$@i) &&
 116             ($source_url !~ m@.*/ini_xml\.zip$@i) &&
 117             ($source_url !~ m@.*/server\.ini$@i)
 118            )
 119         {
 120                 $xlrator_url = &check_cache($source_url,$hostaddr,$username,"TrendMicro",$mirror);
 121         }
 122
 123         # -----------------------------------------------------------
 124         #  Section: Symantec Downloads
 125         # -----------------------------------------------------------
 126
 127         if ($source_url =~ m@^[h|f]tt?p://[^/]*\.symantec(liveupdate)?\.com/.*\.(exe|zip|vdb|xdb)$@i)
 128         {
 129                 $xlrator_url = &check_cache($source_url,$hostaddr,$username,"Symantec",$unique);
 130         }
 131
 132         # -----------------------------------------------------------
 133         #  Section: Apple Downloads
 134         # -----------------------------------------------------------
 135
 136         if (
 137              (($source_url =~ m@^http://swcdn\.apple\.com/content/downloads/.*\.(tar|pkg)$@i) ||
 138              ($source_url =~ m@^http://appldnld\.apple\.com\.edgesuite\.net/.*\.(exe|dmg)$@i) ||
 139              ($source_url =~ m@^http://.*\.g.akamai.net/.*/3093/1/.*\.(tar|pkg|dmg|exe)$@i))
 140            )
 141         {
 142                 $xlrator_url = &check_cache($source_url,$hostaddr,$username,"Apple",$unique);
 143         }
 144
 145         # -----------------------------------------------------------
 146         #  Section: Avast Downloads
 147         # -----------------------------------------------------------
 148
 149         if ($source_url =~ m@^http://download[\d]+\.avast\.com/.*\.(exe|vpu)$@i)
 150         {
 151                 $xlrator_url = &check_cache($source_url,$hostaddr,$username,"Avast",$mirror);
 152         }
 153
 154         # -----------------------------------------------------------
 155
 156         # -----------------------------------------------------------
 157         # Section: Avira Downloads
 158         # -----------------------------------------------------------
 159
 160         if ($source_url =~ m@^http://dl[0-9]\.avgate\.net/.*\.(htm|html|gz)$@i)
 161         {
 162                 $xlrator_url = &check_cache($source_url,$hostaddr,$username,"Avira",$mirror);
 163         }
 164
 165         # -----------------------------------------------------------
 166         # Section: IPFire Downloads
 167         # -----------------------------------------------------------
 168
 169         if ($source_url =~ m@^[f|h]t?tp://.*\.(ipfire)$@i)
 170         {
 171                 $xlrator_url = &check_cache($source_url,$hostaddr,$username,"IPFire",$mirror);
 172         }
 173
 174         }
 175
 176         # -----------------------------------------------------------
 177         # Section: AVG Downloads
 178         # -----------------------------------------------------------
 179
 180 #       if ($source_url =~ m@^http://[^/]*\.(grisoft|avg)\.com/.*\.(bin)$@i)
 181 #       {
 182 #               $xlrator_url = &check_cache($source_url,$hostaddr,$username,"AVG",$mirror);
 183 #       }
 184
 185         $request="$xlrator_url $hostaddr $username $method\n";
 186
 187         print $request;
 188 }
 189
 190 # -------------------------------------------------------------------
 191
 192 sub readhash
 193 {
 194         my $filename = $_[0];
 195         my $hash = $_[1];
 196         my ($var, $val);
 197
 198         if (-e $filename)
 199         {
 200                 open(FILE, $filename) or die "Unable to read file $filename";
 201                 while (<FILE>)
 202                 {
 203                         chop;
 204                         ($var, $val) = split /=/, $_, 2;
 205                         if ($var)
 206                         {
 207                                 $val =~ s/^\'//g;
 208                                 $val =~ s/\'$//g;
 209
 210                                 # Untaint variables read from hash
 211                                 $var =~ /([A-Za-z0-9_-]*)/; $var = $1;
 212                                 $val =~ /([\w\W]*)/; $val = $1;
 213                                 $hash->{$var} = $val;
 214                         }
 215                 }
 216                 close FILE;
 217         }
 218 }
 219
 220 # -------------------------------------------------------------------
 221
 222 sub writelog
 223 {
 224         if ($logging)
 225         {
 226                 open(LOGFILE,">>$logfile");
 227                 print LOGFILE time." $_[0] $_[1] $_[2] $_[3] $_[4]\n";
 228                 close(LOGFILE);
 229         }
 230 }
 231
 232 # -------------------------------------------------------------------
 233
 234 sub debuglog
 235 {
 236         if ($debug)
 237         {
 238                 open(LOGFILE,">>/var/log/updatexlrator/debug.log");
 239                 my @now = localtime(time);
 240                 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",$_[0];
 241                 close(LOGFILE);
 242         }
 243 }
 244
 245 # -------------------------------------------------------------------
 246
 247 sub setcachestatus
 248 {
 249         open (FILE,">>$_[0]");
 250         print FILE "$_[1]\n";
 251         close FILE;
 252 }
 253
 254 # -------------------------------------------------------------------
 255
 256 sub diskfree
 257 {
 258         open(DF,"/bin/df --block-size=1 $_[0]|");
 259         my @dfdata = <DF>;
 260         close DF;
 261         shift(@dfdata);
 262         chomp(@dfdata);
 263         my $dfstr = join(' ',@dfdata);
 264         my ($device,$size,$used,$free,$percent,$mount) = split(' ',$dfstr);
 265         if ($free =~ m/^(\d+)$/)
 266         {
 267                 return $free;
 268         }
 269 }
 270
 271 # -------------------------------------------------------------------
 272
 273 sub diskusage
 274 {
 275         open(DF,"/bin/df $_[0]|");
 276         my @dfdata = <DF>;
 277         close DF;
 278         shift(@dfdata);
 279         chomp(@dfdata);
 280         my $dfstr = join(' ',@dfdata);
 281         my ($device,$size,$used,$free,$percent,$mount) = split(' ',$dfstr);
 282         if ($percent =~ m/^(\d+)%$/)
 283         {
 284                 $percent =~ s/%$//;
 285                 return $percent;
 286         }
 287 }
 288
 289 # -------------------------------------------------------------------
 290
 291 sub getmtime
 292 {
 293         my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks) = stat($_[0]);
 294
 295         return $mtime;
 296 }
 297
 298 # -------------------------------------------------------------------
 299
 300 sub check_cache
 301 {
 302         my $updsource="UPDCACHE";
 303         my $updfile='';
 304         my $cacheurl='';
 305         my $vendorid='';
 306         my $uuid='';
 307         my @http_header=();
 308         my $remote_size=0;
 309         my $remote_mtime=0;
 310         my $login='';
 311         my $useragent="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
 312
 313         my $sourceurl=$_[0];
 314         my $cfmirror=$_[4];
 315
 316         $sourceurl =~ s@\%2f@/@ig;
 317         $updfile = substr($sourceurl,rindex($sourceurl,"/")+1);
 318         $updfile =~ s@\%20@ @ig;
 319
 320         if ($cfmirror)
 321         {
 322                 $uuid = `echo $updfile | md5sum`;
 323         } else {
 324                 $uuid = `echo $sourceurl | md5sum`;
 325         }
 326
 327         $uuid =~ s/[^0-9a-f]//g;
 328         $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/;
 329
 330         $vendorid = $_[3];
 331         $vendorid =~ tr/A-Z/a-z/;
 332
 333         &debuglog("Processing URL $sourceurl");
 334         &debuglog("Vendor ID is $vendorid");
 335         &debuglog("UUID is $uuid");
 336
 337         if (($proxysettings{'UPSTREAM_PROXY'}) && ($proxysettings{'UPSTREAM_USER'}))
 338         {
 339                 $login = "--proxy-user=\"$proxysettings{'UPSTREAM_USER'}\"";
 340                 if ($proxysettings{'UPSTREAM_PASSWORD'})
 341                 {
 342                         $login .= " --proxy-password=\"$proxysettings{'UPSTREAM_PASSWORD'}\"";
 343                 }
 344         }
 345
 346         if ($proxysettings{'UPSTREAM_PROXY'}) { &debuglog("Using upstream proxy $proxysettings{'UPSTREAM_PROXY'}"); }
 347
 348         $ENV{'http_proxy'} = $proxysettings{'UPSTREAM_PROXY'};
 349         @http_header = `$wget $login --user-agent="$useragent" --spider -S $sourceurl 2>&1`;
 350         $ENV{'http_proxy'} = '';
 351
 352         foreach (@http_header)
 353         {
 354                 chomp;
 355                 if (/^\s*Content-Length:\s/) { $remote_size = $_; $remote_size =~ s/[^0-9]//g; }
 356                 if (/^\s*Last-Modified:\s/) { $remote_mtime = $_; $remote_mtime =~ s/^\s*Last-Modified:\s//; $remote_mtime = HTTP::Date::str2time($remote_mtime) }
 357         }
 358
 359         if (
 360                 (-e "$updcachedir/$vendorid/$uuid/$updfile") &&
 361                 ($remote_size == (-s "$updcachedir/$vendorid/$uuid/$updfile")) &&
 362                 ($remote_mtime == &getmtime("$updcachedir/$vendorid/$uuid/$updfile"))
 363            )
 364         {
 365                 &debuglog("File exists in cache and is up to date");
 366                 &debuglog("Retrieving file from cache ($updsource)");
 367                 &setcachestatus("$updcachedir/$vendorid/$uuid/access.log",time);
 368                 $cacheurl="http://$netsettings{'GREEN_ADDRESS'}:$http_port/updatecache/$vendorid/$uuid/$updfile";
 369         }
 370                 else
 371         {
 372                 if (-e "$updcachedir/$vendorid/$uuid/$updfile")
 373                 {
 374                         &debuglog("Local filesize: " . (-s "$updcachedir/$vendorid/$uuid/$updfile"));
 375                         &debuglog("Local timestamp: " . &getmtime("$updcachedir/$vendorid/$uuid/$updfile"));
 376                 } else { &debuglog("File not found in cache"); }
 377                 $updsource="DLSOURCE";
 378                 &debuglog("Remote filesize: $remote_size");
 379                 &debuglog("Remote timestamp: $remote_mtime");
 380                 &debuglog("Free disk space: " . &diskfree($updcachedir));
 381                 &debuglog("Disk usage: " . &diskusage($updcachedir) . "% (max. $maxusage%)");
 382                 if (-e "$updcachedir/download/$vendorid/$updfile") { &debuglog("File download/$vendorid/$updfile exists"); }
 383                 &debuglog("Retrieving file from source ($updsource)");
 384                 if ((!$passive_mode) && (&diskusage($updcachedir) <= $maxusage) && ($remote_size <= &diskfree($updcachedir)) && (!-e "$updcachedir/download/$vendorid/$updfile"))
 385                 {
 386                         &debuglog("Running command $nice$apphome/bin/download $vendorid $sourceurl $cfmirror &");
 387                         system("$nice$apphome/bin/download $vendorid $sourceurl $cfmirror &");
 388                 }
 389                 $cacheurl=$sourceurl;
 390         }
 391
 392         &writelog($_[1],$_[2],$_[3],$updsource,$sourceurl);
 393
 394         return $cacheurl;
 395 }
 396
 397 # -------------------------------------------------------------------