356 lines
8.9 KiB
Perl
356 lines
8.9 KiB
Perl
#!/usr/bin/perl -wT
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#
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# ==========================================================================
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#
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# ZoneMinder Package Control Script, $Date$, $Revision$
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# Copyright (C) 2003, 2004, 2005, 2006 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 is used to start and stop the ZoneMinder package primarily to
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# allow command line control for automatic restart on reboot (see zm script)
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#
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use strict;
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use bytes;
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# ==========================================================================
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#
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# These are the elements you can edit to suit your installation
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#
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# ==========================================================================
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use constant DBG_ID => "zmpkg"; # Tag that appears in debug to identify source
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use constant DBG_LEVEL => 0; # 0 is errors, warnings and info only, > 0 for debug
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# ==========================================================================
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#
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# Don't change anything below here
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#
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# ==========================================================================
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use ZoneMinder;
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use DBI;
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use POSIX;
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use Time::HiRes qw/gettimeofday/;
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# Detaint our environment
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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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zmDbgInit( DBG_ID, level=>DBG_LEVEL );
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my $command = $ARGV[0];
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my $state;
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my $dbh = zmDbConnect();
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if ( !$command || $command !~ /^(?:start|stop|restart|status|logrot)$/ )
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{
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if ( $command )
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{
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# Check to see if it's a valid run state
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my $sql = "select * from States where Name = '$command'";
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my $sth = $dbh->prepare_cached( $sql ) or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
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my $res = $sth->execute() or Fatal( "Can't execute: ".$sth->errstr() );
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if ( $state = $sth->fetchrow_hashref() )
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{
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$state->{Name} = $command;
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$state->{Definitions} = [];
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foreach( split( ',', $state->{Definition} ) )
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{
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my ( $id, $function, $enabled ) = split( ':', $_ );
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push( @{$state->{Definitions}}, { Id=>$id, Function=>$function, Enabled=>$enabled } );
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}
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$command = 'state';
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}
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else
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{
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$command = undef;
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}
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}
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if ( !$command )
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{
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print( "Usage: zmpkg.pl <start|stop|restart|status|logrot|'state'>\n" );
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exit( -1 );
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}
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}
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# Move to the right place
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chdir( ZM_PATH_WEB ) or Fatal( "Can't chdir to '".ZM_PATH_WEB."': $!" );
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my $dbg_id = "";
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Info( "Command: $command\n" );
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my $retval = 0;
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# Determine the appropriate syntax for the su command
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my ( $cmd_prefix, $cmd_suffix ) = getCmdFormat();
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if ( $command eq "state" )
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{
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Info( "Updating DB: $state->{Name}\n" );
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my $sql = "select * from Monitors order by Id asc";
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my $sth = $dbh->prepare_cached( $sql ) or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
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my $res = $sth->execute() or Fatal( "Can't execute: ".$sth->errstr() );
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while( my $monitor = $sth->fetchrow_hashref() )
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{
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foreach my $definition ( @{$state->{Definitions}} )
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{
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if ( $monitor->{Id} =~ /^$definition->{Id}$/ )
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{
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$monitor->{NewFunction} = $definition->{Function};
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$monitor->{NewEnabled} = $definition->{Enabled};
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}
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}
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#next if ( !$monitor->{NewFunction} );
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$monitor->{NewFunction} = 'None' if ( !$monitor->{NewFunction} );
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$monitor->{NewEnabled} = 0 if ( !$monitor->{Enabled} );
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if ( $monitor->{Function} ne $monitor->{NewFunction} || $monitor->{Enabled} ne $monitor->{NewEnabled} )
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{
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my $sql = "update Monitors set Function = ?, Enabled = ? where Id = ?";
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my $sth = $dbh->prepare_cached( $sql ) or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
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my $res = $sth->execute( $monitor->{NewFunction}, $monitor->{NewEnabled}, $monitor->{Id} ) or Fatal( "Can't execute: ".$sth->errstr() );
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}
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}
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$sth->finish();
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$command = "restart";
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}
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if ( $command =~ /^(?:stop|restart)$/ )
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{
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my $status = runCommand( "zmdc.pl check" );
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if ( $status eq "running" )
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{
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runCommand( "zmdc.pl shutdown" );
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removeShm();
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}
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else
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{
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$retval = 1;
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}
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}
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if ( $command =~ /^(?:start|restart)$/ )
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{
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my $status = runCommand( "zmdc.pl check" );
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if ( $status eq "stopped" )
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{
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removeShm();
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runCommand( "zmfix" );
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runCommand( "zmdc.pl startup" );
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my $sql = "select * from Monitors";
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my $sth = $dbh->prepare_cached( $sql ) or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
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my $res = $sth->execute() or Fatal( "Can't execute: ".$sth->errstr() );
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while( my $monitor = $sth->fetchrow_hashref() )
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{
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if ( $monitor->{Function} ne 'None' )
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{
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if ( $monitor->{Type} eq 'Local' )
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{
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runCommand( "zmdc.pl start zmc -d $monitor->{Device}" );
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}
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else
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{
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runCommand( "zmdc.pl start zmc -m $monitor->{Id}" );
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}
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if ( $monitor->{Function} ne 'Monitor' )
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{
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if ( ZM_OPT_FRAME_SERVER )
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{
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runCommand( "zmdc.pl start zmf -m $monitor->{Id}" );
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}
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runCommand( "zmdc.pl start zma -m $monitor->{Id}" );
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}
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if ( ZM_OPT_CONTROL )
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{
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if ( $monitor->{Function} eq 'Modect' || $monitor->{Function} eq 'Mocord' )
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{
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if ( $monitor->{Controllable} && $monitor->{TrackMotion} )
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{
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runCommand( "zmdc.pl start zmtrack.pl -m $monitor->{Id}" );
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}
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}
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}
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}
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}
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$sth->finish();
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# This is now started unconditionally
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runCommand( "zmdc.pl start zmfilter.pl" );
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if ( ZM_RUN_AUDIT )
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{
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runCommand( "zmdc.pl start zmaudit.pl -c" );
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}
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if ( ZM_OPT_TRIGGERS )
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{
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runCommand( "zmdc.pl start zmtrigger.pl" );
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}
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if ( ZM_OPT_X10 )
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{
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runCommand( "zmdc.pl start zmx10.pl -c start" );
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}
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runCommand( "zmdc.pl start zmwatch.pl" );
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if ( ZM_CHECK_FOR_UPDATES )
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{
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runCommand( "zmdc.pl start zmupdate.pl -c" );
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}
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}
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else
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{
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$retval = 1;
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}
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}
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if ( $command eq "status" )
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{
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my $status = runCommand( "zmdc.pl check" );
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print( STDOUT $status."\n" );
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}
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if ( $command eq "logrot" )
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{
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runCommand( "zmdc.pl logrot" );
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}
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exit( $retval );
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sub getCmdFormat
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{
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Debug( "Testing valid shell syntax\n" );
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my ( $name ) = getpwuid( $> );
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if ( $name eq ZM_WEB_USER )
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{
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Debug( "Running as '$name', su commands not needed\n" );
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return( "" );
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}
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my $null_command = "true";
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my $prefix = "sudo -u ".ZM_WEB_USER." ";
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my $suffix = "";
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my $command = $prefix.$null_command.$suffix;
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Debug( "Testing \"$command\"\n" );
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$command .= " > /dev/null 2>&1";
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my $output = qx($command);
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my $status = $? >> 8;
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if ( !$status )
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{
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Debug( "Test ok, using format \"$prefix<command>$suffix\"\n" );
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return( $prefix, $suffix );
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}
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else
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{
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chomp( $output );
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Debug( "Test failed, '$output'\n" );
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$prefix = "su ".ZM_WEB_USER." --shell=/bin/sh --command='";
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$suffix = "'";
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$command = $prefix.$null_command.$suffix;
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Debug( "Testing \"$command\"\n" );
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my $output = qx($command);
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my $status = $? >> 8;
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if ( !$status )
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{
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Debug( "Test ok, using format \"$prefix<command>$suffix\"\n" );
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return( $prefix, $suffix );
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}
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else
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{
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chomp( $output );
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Debug( "Test failed, '$output'\n" );
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$prefix = "su ".ZM_WEB_USER." -c '";
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$suffix = "'";
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$command = $prefix.$null_command.$suffix;
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Debug( "Testing \"$command\"\n" );
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$output = qx($command);
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$status = $? >> 8;
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if ( !$status )
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{
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Debug( "Test ok, using format \"$prefix<command>$suffix\"\n" );
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return( $prefix, $suffix );
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}
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else
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{
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chomp( $output );
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Debug( "Test failed, '$output'\n" );
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}
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}
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}
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Error( "Unable to find valid 'su' syntax\n" );
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exit( -1 );
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}
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sub removeShm
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{
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Debug( "Removing shared memory\n" );
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# Find ZoneMinder shared memory
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my $command = "ipcs -m | grep '^".substr( sprintf( "0x%x", hex(ZM_SHM_KEY) ), 0, -2 )."'";
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Debug( "Checking for shared memory with '$command'\n" );
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open( CMD, "$command |" ) or Fatal( "Can't execute '$command': $!" );
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while( <CMD> )
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{
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chomp;
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my ( $key, $id ) = split( /\s+/ );
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if ( $id =~ /^(\d+)/ )
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{
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$id = $1;
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$command = "ipcrm shm $id";
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Debug( "Removing shared memory with '$command'\n" );
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qx( $command );
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}
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}
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close( CMD );
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}
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sub runCommand
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{
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my $command = shift;
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$command = ZM_PATH_BIN."/".$command;
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if ( $cmd_prefix )
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{
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$command = $cmd_prefix.$command.$cmd_suffix;
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}
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Debug( "Command: $command\n" );
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my $output = qx($command);
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my $status = $? >> 8;
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chomp( $output );
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if ( $status || DBG_LEVEL > 0 )
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{
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if ( $status )
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{
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Error( "Unable to run \"$command\", output is \"$output\"\n" );
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exit( -1 );
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}
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else
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{
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Debug( "Output: $output\n" );
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}
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}
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return( $output );
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}
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