#######################################################
## Copyright (c) 2008 Kirk Bauer
## Covered under the included MIT/X-Consortium License:
##    http://www.opensource.org/licenses/mit-license.php
## All modifications and contributions by other persons to
## this script are assumed to have been donated to the
## Logwatch project and thus assume the above copyright
## and licensing terms.  If you want to make contributions
## under your own copyright or a different license this
## must be explicitly stated in the contribution an the
## Logwatch project reserves the right to not accept such
## contributions.  If you have made significant
## contributions to this script and want to claim
## copyright please contact logwatch-devel@lists.sourceforge.net.
#########################################################

# added $SearchDate to deal with xferlog format - see below
use Logwatch ':dates';
my $SearchDate = TimeFilter('%a %b %e %H:%M:%S %Y');

$Detail = $ENV{'LOGWATCH_DETAIL_LEVEL'};
$IgnoreUnmatched = $ENV{'vsftpd_ignore_unmatched'};
$TotalBytesOut = 0;
$TotalBytesIn = 0;
$TotalDeleted = 0;
$TotalCreatedDirs = 0;
$TotalRemovedDirs = 0;


while (defined($ThisLine = <STDIN>)) {
   if ( ( $ThisLine =~ /CONNECT/ ) or
        ( $ThisLine =~ /[OK|FAIL] RENAME/ ) or
        ( $ThisLine =~ /[OK|FAIL] CHMOD/ ) or
        ( $ThisLine =~ /authentication failure/ ) or
        ( $ThisLine =~ /^pam_unix\(vsftpd:auth\): check pass; user unknown$/ )
      )
   { # We don't care about these

   } elsif ( ($IP,$Email) = ( $ThisLine =~ /OK LOGIN: Client \"(.*)\", anon password \"(.*)\"$/ ) ) {
      $Temp = "    (" . $IP . "): " . $Email . " - ";
      $AnonLogins{$Temp}++;
   } elsif ( ($User,$IP) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] OK LOGIN: Client \"(.*)\"$/ ) ) {
      $Temp = "    (" . $IP . "): " . $User . " - ";
      $UserLogins{$Temp}++;
   } elsif ( ($User,$IP) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] FAIL LOGIN: Client \"(.*)\"$/ ) ) {
      $Temp = "    (" . $IP . "): " . $User . " - ";
      $FailedLogins{$Temp}++;
   } elsif ( ($User,$IP,$FileName,$FileSize) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] OK UPLOAD: Client \"(.*)\", \"(.*)\", (?:(\d+) bytes)?/ ) ) {
      $Temp = "   " . $FileName . " <- " . $IP . " (User: " . $User . ")\n";
      $TotalBytesIn+= $FileSize;
      push @UploadedFiles,$Temp;
   } elsif ( ($User,$IP,$FileName,$FileSize) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] FAIL UPLOAD: Client \"(.*)\", \"(.*)\", (?:(\d+) bytes)?/ ) ) {
      $Temp = "   " . $FileName . " <- " . $IP . " (User: " . $User . ")\n";
      $TotalBytesIn+= $FileSize;
      push @FailedUploadedFiles,$Temp;
   } elsif ( ($User,$IP,$FileName,$FileSize) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] OK DOWNLOAD: Client \"(.*)\", \"(.*)\", (?:(\d+) bytes)?/ ) ) {
      $Temp = "   " . $FileName . " -> " . $IP . " (User: " . $User . ")\n";
      $TotalBytesOut+= $FileSize;
      push @DownloadedFiles,$Temp;
   } elsif ( ($User,$IP,$FileName,$FileSize) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] FAIL DOWNLOAD: Client \"(.*)\", \"(.*)\", (?:(\d+) bytes)?/ ) ) {
      $Temp = "   " . $FileName . " -> " . $IP . " (User: " . $User . ")\n";
      $TotalBytesOut+= $FileSize;
      push @FailedDownloadedFiles,$Temp;
   } elsif ( ($User,$IP,$FileName) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] OK DELETE: Client \"(.*)\", \"(.*)\"/ ) ) {
      $Temp = "   " . $FileName . " >< " . $IP . " (User: " . $User . ")\n";
      $TotalDeleted++;
      push @DeletedFiles,$Temp;
   } elsif ( ($User,$IP,$FileName) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] FAIL DELETE: Client \"(.*)\", \"(.*)\"/ ) ) {
      $Temp = "   " . $FileName . " <> " . $IP . " (User: " . $User . ")\n";
      push @FailedDeletedFiles,$Temp;
   } elsif ( ($User,$IP,$FileName) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] OK MKDIR: Client \"(.*)\", \"(.*)\"/ ) ) {
      $Temp = "   " . $FileName . " <- " . $IP . " (User: " . $User . ")\n";
      $TotalCreatedDirs++;
      push @CreatedDirs,$Temp;
   } elsif ( ($User,$IP,$FileName) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] FAIL MKDIR: Client \"(.*)\", \"(.*)\"/ ) ) {
      $Temp = "   " . $FileName . " xx " . $IP . " (User: " . $User . ")\n";
      push @FailedCreatedDirs,$Temp;
   } elsif ( ($User,$IP,$FileName) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] OK RMDIR: Client \"(.*)\", \"(.*)\"/ ) ) {
      $Temp = "   " . $FileName . " >< " . $IP . " (User: " . $User . ")\n";
      $TotalRemovedDirs++;
      push @RemovedDirs,$Temp;
   } elsif ( ($User,$IP,$FileName) = ( $ThisLine =~ /(?:\[.*\] )?\[(.*)\] FAIL RMDIR: Client \"(.*)\", \"(.*)\"/ ) ) {
      $Temp = "   " . $FileName . " <> " . $IP . " (User: " . $User . ")\n";
      push @FailedRemovedDirs,$Temp;
   } elsif ( ($Date, $IP,$FileSize,$FileName,$Direction,$AccessMode,$User) =
         ( $ThisLine =~ /^(... ... .. ..:..:.. ....) \d+ ([^ ]+) (\d+) (.*) . . (.) (.) (.*) ftp . .*$/ ) ) {
      # Handle xferlog format entries too...
      # It appears that older versions of vsftpd would write to vsftpd.log with the xferlog format.
      # Current versions appear to write xferlog format to xferlog.log file, which is handled by
      # the ftp-xferlog service of logwatch.  So here is some code to deal with the older vsftpd.
      if ($Date =~ /$SearchDate/) {
         if ( $Direction eq 'o' ) {
            # File was outgoing
               $TotalBytesOut += $FileSize;
            $Temp = "   " . $FileName . ' -> ' . $IP . ' (User: ' . $User . ")\n";
            push @DownloadedFiles, $Temp;
         } elsif ( $Direction eq 'd' ) {
            $Temp = '   ' . $FileName . ' Deleted ' . $IP . ' (User: ' . $User . ")\n";
            push @DeletedFiles, $Temp;
         } else {
            # File was incoming
            $TotalBytesIn += $FileSize;
            $Temp = "   " . $FileName . ' <- ' . $IP . ' (User: ' . $User . ")\n";
            push @UploadedFiles, $Temp;
         }
      }
   } else {
      # Report any unmatched entries...
      push @OtherList,$ThisLine;
   }
}

if ( (keys %AnonLogins) and ($Detail >= 5) ) {
   print "\nAnonymous FTP Logins:\n";
   foreach $ThisOne (keys %AnonLogins) {
      print $ThisOne . $AnonLogins{$ThisOne} . " Time(s)\n";
   }
}

if (keys %UserLogins) {
   print "\nUser FTP Logins:\n";
   foreach $ThisOne (keys %UserLogins) {
      print $ThisOne . $UserLogins{$ThisOne} . " Time(s)\n";
   }
}

if (keys %FailedLogins) {
   print "\nFailed FTP Logins:\n";
   foreach $ThisOne (keys %FailedLogins) {
      print $ThisOne . $FailedLogins{$ThisOne} . " Time(s)\n";
   }
}

$TotalKBytesOut = int $TotalBytesOut/1024;
$TotalKBytesIn = int $TotalBytesIn/1024;
$TotalMBytesOut = int $TotalKBytesOut/1024;
$TotalMBytesIn = int $TotalKBytesIn/1024;

if ( ( $#UploadedFiles >= 0 ) or
   ( $#FailedUploadedFiles >= 0 ) ) {
   if ( $#UploadedFiles >= 0) {
      print "\nIncoming FTP Files:\n";
      print @UploadedFiles;
   }
   if ( $#FailedUploadedFiles >= 0) {
      print "\nFailed Uploads\n";
      print @FailedUploadedFiles;
   }
   print "\nTOTAL KB IN: " . $TotalKBytesIn . "KB (" . $TotalMBytesIn . "MB)\n";
}

if ( ( $#DownloadedFiles >= 0 ) or
   ( $#FailedDownloadedFiles >=0 ) ) {
   if ( $#DownloadedFiles >= 0) {
      print "\nOutgoing FTP Files:\n";
      print @DownloadedFiles;
   }
   if ( $#FailedDownloadedFiles >= 0) {
      print "\nFailed Downloads\n";
      print @FailedDownloadedFiles;
   }
   print "\nTOTAL KB OUT: " . $TotalKBytesOut . "KB (" . $TotalMBytesOut . "MB)\n";
}

if ( $Detail > 5 ) {
   if ( $#DeletedFiles >= 0 ) {
      print "\nDeleted Files: (Total: $TotalDeleted)\n";
      print @DeletedFiles;
   }
   if ( $#FailedDeletedFiles >= 0) {
      print "\n Failed Deleted\n";
      print @FailedDeletedFiles;
   } 

   if ( $#CreatedDirs >= 0 ) {
      print "\nCreated Directories: (Total: $TotalCreatedDirs)\n";
      print @CreatedDirs;
   }
   if ( $#FailedCreatedDirs >= 0) {
      print "\n Failed to create Directories\n";
      print @FailedCreatedFiles;
   }

   if ( $#RemovedDirs >= 0 ) {
      print "\nRemoved Directories: (Total: $TotalRemovedDirs)\n";
      print @RemovedDirs;
   }
   if ( $#FailedRemovedDirs >= 0) {
      print "\n Failed to remove Directories\n";
      print @FailedRemovedFiles;
   }
}

if (($#OtherList >= 0) and (not $IgnoreUnmatched)){
   print "\n**Unmatched Entries**\n";
   print @OtherList;
}

exit(0);

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