321 lines
11 KiB
Perl
Executable File
321 lines
11 KiB
Perl
Executable File
#!/usr/bin/perl -wT
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#
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# ==========================================================================
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#
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# ZoneMinder Audit Script, $Date$, $Revision$
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# Copyright (C) 2003 Philip Coombes
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ==========================================================================
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#
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# This script checks for consistency between the event filesystem and
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# the database. If events are found in one and not the other they are
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# deleted (optionally). Additionally any monitor event directories that
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# do not correspond to a database monitor are similarly disposed of.
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# However monitors in the database that don't have a directory are left
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# alone as this is valid if they are newly created and have no events
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# yet.
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#
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# ==========================================================================
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#
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# These are the elements you need to edit to suit your installation
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#
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# ==========================================================================
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use constant ZM_PATH_BIN => "<from zmconfig>";
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use constant ZM_PATH_WEB => "<from zmconfig>";
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use constant ZM_DB_SERVER => "<from zmconfig>";
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use constant ZM_DB_NAME => "<from zmconfig>";
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use constant ZM_DB_USERA => "<from zmconfig>";
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use constant ZM_DB_PASSA => "<from zmconfig>";
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# Load the config from the database into the symbol table
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BEGIN
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{
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use DBI;
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no strict 'refs';
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my $dbh = DBI->connect( "DBI:mysql:database=".ZM_DB_NAME.";host=".ZM_DB_SERVER, ZM_DB_USERA, ZM_DB_PASSA );
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my $sql = "select * from Config";
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my $sth = $dbh->prepare_cached( $sql ) or die( "Can't prepare '$sql': ".$dbh->errstr() );
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my $res = $sth->execute() or die( "Can't execute: ".$sth->errstr() );
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while( my $config = $sth->fetchrow_hashref() )
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{
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*{$config->{Name}} = sub { $config->{Value} };
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}
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$sth->finish();
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$dbh->disconnect();
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}
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use constant IMAGE_PATH => ZM_PATH_WEB.'/'.ZM_DIR_IMAGES;
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use constant EVENT_PATH => ZM_PATH_WEB.'/'.ZM_DIR_EVENTS;
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use constant LOG_FILE => ZM_PATH_LOGS.'/zmaudit.log';
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use constant VERBOSE => 0; # Whether to output more verbose debug
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# ==========================================================================
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#
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# You shouldn't need to change anything from here downwards
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#
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# ==========================================================================
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use strict;
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use DBI;
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use Getopt::Long;
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$| = 1;
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$ENV{PATH} = '/bin:/usr/bin';
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$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
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delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
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my $report = 0;
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my $yes = 0;
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my $delay = 0;
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sub usage
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{
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print( "
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Usage: zmaudit.pl [-r,-report|-y,-yes] [-d <seconds>,-delay=<seconds>]
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Parameters are :-
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-r, --report - Just report don't actually do anything
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-y, --yes - Just do all actions without confirmation
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-d <seconds>, --delay=<seconds> - how long to delay between each pass, the default of 0 means run once only.
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");
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exit( -1 );
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}
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sub confirm
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{
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my $prompt = shift || "delete";
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my $action = shift || "deleting";
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my $yesno = $yes?1:0;
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if ( $report )
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{
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print( "\n" );
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}
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elsif ( $yes )
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{
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print( ", $action\n" );
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}
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else
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{
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print( ", $prompt y/n: " );
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my $char = <>;
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chomp( $char );
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if ( $char eq 'q' )
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{
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exit( 0 );
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}
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if ( !$char )
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{
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$char = 'y';
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}
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if ( $char eq "a" )
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{
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$yes = 1;
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return( 1 );
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}
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$yesno = ( $char =~ /[yY]/ );
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}
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return( $yesno );
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}
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if ( !GetOptions( 'report'=>\$report, 'yes'=>\$yes, 'delay=i'=>\$delay ) )
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{
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usage();
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}
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if ( $report && $yes )
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{
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print( STDERR "Error, only one of --report and --yes may be specified\n" );
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usage();
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}
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my $dbh = DBI->connect( "DBI:mysql:database=".ZM_DB_NAME.";host=".ZM_DB_SERVER, ZM_DB_USERA, ZM_DB_PASSA );
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chdir( EVENT_PATH );
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if ( $delay ) # Background mode
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{
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open( LOG, ">>".LOG_FILE ) or die( "Can't open log file: $!" );
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open( STDOUT, ">&LOG" ) || die( "Can't dup stdout: $!" );
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select( STDOUT ); $| = 1;
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open( STDERR, ">&LOG" ) || die( "Can't dup stderr: $!" );
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select( STDERR ); $| = 1;
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select( LOG ); $| = 1;
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}
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my $max_image_age = 15/(24*60); # 15 Minutes
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my $image_path = IMAGE_PATH;
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do
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{
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my $fs_monitors;
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foreach my $monitor ( <*> )
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{
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next if ( $monitor =~ /lost\+found/ ); # Ignore mount points
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print( "Found filesystem monitor '$monitor'" ) if ( VERBOSE );
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my $fs_events = $fs_monitors->{$monitor} = {};
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( my $monitor_dir ) = ( $monitor =~ /^(.*)$/ ); # De-taint
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chdir( $monitor_dir );
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foreach my $event ( <*> )
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{
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$fs_events->{$event} = !undef;
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}
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chdir( EVENT_PATH );
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print( ", got ".int(keys(%$fs_events))." events\n" ) if ( VERBOSE );
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}
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my $db_monitors;
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my $sql = "select * from Monitors order by Name";
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my $sth = $dbh->prepare_cached( $sql ) or die( "Can't prepare '$sql': ".$dbh->errstr() );
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my $sql2 = "select * from Events where MonitorId = ? order by Id";
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my $sth2 = $dbh->prepare_cached( $sql2 ) or die( "Can't prepare '$sql2': ".$dbh->errstr() );
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my $res = $sth->execute() or die( "Can't execute: ".$sth->errstr() );
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while( my $monitor = $sth->fetchrow_hashref() )
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{
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print( "Found database monitor '$monitor->{Name}'" ) if ( VERBOSE );
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my $db_events = $db_monitors->{$monitor->{Name}} = {};
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my $res = $sth2->execute( $monitor->{Id} ) or die( "Can't execute: ".$sth2->errstr() );
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while ( my $event = $sth2->fetchrow_hashref() )
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{
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$db_events->{$event->{Id}} = !undef;
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}
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print( ", got ".int(keys(%$db_events))." events\n" ) if ( VERBOSE );
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$sth2->finish();
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}
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$sth->finish();
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while ( my ( $fs_monitor, $fs_events ) = each(%$fs_monitors) )
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{
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if ( my $db_events = $db_monitors->{$fs_monitor} )
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{
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if ( $fs_events )
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{
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while ( my ( $fs_event, $val ) = each(%$fs_events ) )
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{
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if ( !$db_events->{$fs_event} )
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{
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print( "Filesystem event '$fs_monitor/$fs_event' does not exist in database" );
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if ( confirm() )
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{
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my $command = "/bin/rm -rf ".EVENT_PATH."/$fs_monitor/$fs_event";
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qx( $command );
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}
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}
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}
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}
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}
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else
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{
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print( "Filesystem monitor '$fs_monitor' does not exist in database" );
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if ( confirm() )
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{
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my $command = "rm -rf ".EVENT_PATH."/$fs_monitor";
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qx( $command );
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}
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}
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}
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my $sql3 = "delete from Monitors where Id = ?";
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my $sth3 = $dbh->prepare_cached( $sql3 ) or die( "Can't prepare '$sql3': ".$dbh->errstr() );
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my $sql4 = "delete from Events where Id = ?";
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my $sth4 = $dbh->prepare_cached( $sql4 ) or die( "Can't prepare '$sql4': ".$dbh->errstr() );
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my $sql5 = "delete from Frames where EventId = ?";
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my $sth5 = $dbh->prepare_cached( $sql5 ) or die( "Can't prepare '$sql5': ".$dbh->errstr() );
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my $sql6 = "delete from Stats where EventId = ?";
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my $sth6 = $dbh->prepare_cached( $sql6 ) or die( "Can't prepare '$sql6': ".$dbh->errstr() );
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while ( my ( $db_monitor, $db_events ) = each(%$db_monitors) )
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{
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if ( my $fs_events = $fs_monitors->{$db_monitor} )
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{
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if ( $db_events )
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{
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while ( my ( $db_event, $val ) = each(%$db_events ) )
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{
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if ( !$fs_events->{$db_event} )
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{
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print( "Database event '$db_monitor/$db_event' does not exist in filesystem" );
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if ( confirm() )
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{
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my $res = $sth4->execute( $db_event ) or die( "Can't execute: ".$sth4->errstr() );
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$res = $sth5->execute( $db_event ) or die( "Can't execute: ".$sth5->errstr() );
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$res = $sth6->execute( $db_event ) or die( "Can't execute: ".$sth6->errstr() );
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}
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}
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}
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}
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}
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else
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{
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#print( "Database monitor '$db_monitor' does not exist in filesystem" );
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#if ( confirm() )
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#{
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# We don't actually do this in case it's new
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#my $res = $sth3->execute( $db_monitor ) or die( "Can't execute: ".$sth3->errstr() );
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#}
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}
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}
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my $sql7 = "select distinct EventId from Frames left join Events on Frames.EventId = Events.Id where isnull(Events.Id)";
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my $sth7 = $dbh->prepare_cached( $sql7 ) or die( "Can't prepare '$sql7': ".$dbh->errstr() );
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$res = $sth7->execute() or die( "Can't execute: ".$sth7->errstr() );
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while( my $frame = $sth7->fetchrow_hashref() )
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{
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print( "Found orphaned frame records for event '$frame->{EventId}'" );
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if ( confirm() )
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{
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$res = $sth5->execute( $frame->{EventId} ) or die( "Can't execute: ".$sth6->errstr() );
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}
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}
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my $sql8 = "select distinct EventId from Stats left join Events on Stats.EventId = Events.Id where isnull(Events.Id)";
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my $sth8 = $dbh->prepare_cached( $sql8 ) or die( "Can't prepare '$sql8': ".$dbh->errstr() );
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$res = $sth8->execute() or die( "Can't execute: ".$sth8->errstr() );
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while( my $stat = $sth8->fetchrow_hashref() )
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{
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print( "Found orphaned statistic records for event '$stat->{EventId}'" );
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if ( confirm() )
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{
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$res = $sth6->execute( $stat->{EventId} ) or die( "Can't execute: ".$sth6->errstr() );
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}
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}
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# New audit to close any events that were left open for longer than 5 minutes
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my $sql9 = "select E.Id, max(F.TimeStamp) as EndTime, unix_timestamp(max(F.TimeStamp)) - unix_timestamp(E.StartTime) as Length, count(F.Id) as Frames, count(if(F.Score>0,1,NULL)) as AlarmFrames, sum(F.Score) as TotScore, max(F.Score) as MaxScore from Events as E inner join Frames as F on E.Id = F.EventId where isnull(E.Frames) group by E.Id having EndTime < (now() - interval 5 minute)";
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my $sth9 = $dbh->prepare_cached( $sql9 ) or die( "Can't prepare '$sql9': ".$dbh->errstr() );
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my $sql10 = "update Events set Name = ?, EndTime = ?, Length = ?, Frames = ?, AlarmFrames = ?, TotScore = ?, AvgScore = ?, MaxScore = ? where Id = ?";
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my $sth10 = $dbh->prepare_cached( $sql10 ) or die( "Can't prepare '$sql10': ".$dbh->errstr() );
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$res = $sth9->execute() or die( "Can't execute: ".$sth9->errstr() );
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while( my $event = $sth9->fetchrow_hashref() )
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{
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print( "Found open event '$event->{Id}'" );
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if ( confirm( 'close', 'closing' ) )
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{
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$res = $sth10->execute( sprintf( "Event-%d(r)", $event->{Id}), $event->{EndTime}, $event->{Length}, $event->{Frames}, $event->{AlarmFrames}, $event->{TotScore}, $event->{AlarmFrames}?int($event->{TotScore}/$event->{AlarmFrames}):0, $event->{MaxScore}, $event->{Id} ) or die( "Can't execute: ".$sth10->errstr() );
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}
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}
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# Now delete any old image files
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if ( my @old_files = grep { -M > $max_image_age } <$image_path/*.{jpg,gif,wbmp}> )
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{
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print( "Deleting ".int(@old_files)." old images\n" );
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my $untainted_old_files = join( ";", @old_files );
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( $untainted_old_files ) = ( $untainted_old_files =~ /^(.*)$/ );
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unlink( split( ";", $untainted_old_files ) );
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}
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sleep( $delay ) if ( $delay );
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} while( $delay );
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