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zoneminder/scripts/zmpkg.pl.in

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#!/usr/bin/perl -wT
#
# ==========================================================================
#
# ZoneMinder Package Control Script, $Date$, $Revision$
# Copyright (C) 2001-2008 Philip Coombes
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# ==========================================================================
use strict;
use bytes;
# ==========================================================================
#
# Don't change anything below here
#
# ==========================================================================
@EXTRA_PERL_LIB@
use ZoneMinder;
use DBI;
use POSIX;
use Time::HiRes qw/gettimeofday/;
use autouse 'Pod::Usage'=>qw(pod2usage);
# Detaint our environment
$ENV{PATH} = '/bin:/usr/bin:/usr/local/bin';
$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
my $store_state=""; # PP - will remember state name passed
logInit();
my $command = $ARGV[0]||'';
if ( $command eq 'version' ) {
print ZoneMinder::Base::ZM_VERSION . "\n";
exit(0);
}
my $state;
my $dbh;
if ( !$command || $command !~ /^(?:start|stop|restart|status|logrot|version)$/ ) {
if ( $command ) {
$dbh = zmDbConnect();
# Check to see if it's a valid run state
my $sql = 'SELECT * FROM States WHERE Name=?';
my $sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute( $command )
or Fatal( "Can't execute: ".$sth->errstr() );
if ( $state = $sth->fetchrow_hashref() ) {
$state->{Name} = $command;
$state->{Definitions} = [];
foreach( split( /,/, $state->{Definition} ) ) {
my ( $id, $function, $enabled ) = split( /:/, $_ );
push( @{$state->{Definitions}},
{ Id=>$id, Function=>$function, Enabled=>$enabled }
);
}
$store_state=$command; # PP - Remember the name that was passed to search in DB
$command = 'state';
} else {
$command = undef;
}
}
if ( !$command ) {
pod2usage(-exitstatus => -1);
}
}
$dbh = zmDbConnect() if ! $dbh;
# PP - Sane state check
isActiveSanityCheck();
# Move to the right place
chdir( $Config{ZM_PATH_WEB} )
or Fatal( "Can't chdir to '".$Config{ZM_PATH_WEB}."': $!" );
my $dbg_id = '';
Info( "Command: $command\n" );
my $retval = 0;
if ( $command eq 'state' ) {
Info( "Updating DB: $state->{Name}\n" );
my $sql = $Config{ZM_SERVER_ID} ? 'SELECT * FROM Monitors WHERE ServerId=? ORDER BY Id ASC' : 'SELECT * FROM Monitors ORDER BY Id ASC';
my $sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute( $Config{ZM_SERVER_ID} ? $Config{ZM_SERVER_ID}: () )
or Fatal( "Can't execute: ".$sth->errstr() );
while( my $monitor = $sth->fetchrow_hashref() ) {
foreach my $definition ( @{$state->{Definitions}} ) {
if ( $monitor->{Id} =~ /^$definition->{Id}$/ ) {
$monitor->{NewFunction} = $definition->{Function};
$monitor->{NewEnabled} = $definition->{Enabled};
}
}
#next if ( !$monitor->{NewFunction} );
$monitor->{NewFunction} = 'None'
if ( !$monitor->{NewFunction} );
$monitor->{NewEnabled} = 0
if ( !$monitor->{NewEnabled} );
if ( $monitor->{Function} ne $monitor->{NewFunction}
|| $monitor->{Enabled} ne $monitor->{NewEnabled}
) {
my $sql = 'UPDATE Monitors SET Function=?, Enabled=? WHERE Id=?';
my $sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute( $monitor->{NewFunction}, $monitor->{NewEnabled}, $monitor->{Id} )
or Fatal( "Can't execute: ".$sth->errstr() );
}
}
$sth->finish();
# PP - Now mark a specific state as active
resetStates();
Info ("Marking $store_state as Enabled");
$sql = "UPDATE States SET IsActive = '1' WHERE Name = ?";
$sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
$res = $sth->execute( $store_state )
or Fatal( "Can't execute: ".$sth->errstr() );
# PP - zero out other states isActive
$command = 'restart';
}
# Check if we are running systemd and if we have been called by the system
if ( $command =~ /^(start|stop|restart)$/ ) {
# We have to detaint to keep perl from complaining
$command = $1;
if ( systemdRunning() && !calledBysystem() ) {
qx(@BINDIR@/zmsystemctl.pl $command);
$command = '';
}
}
if ( $command =~ /^(?:stop|restart)$/ ) {
my $status = runCommand('zmdc.pl check');
if ( $status eq 'running' ) {
runCommand('zmdc.pl shutdown');
zmMemTidy();
} else {
$retval = 1;
}
}
#runCommand( "zmupdate.pl -f" );
if ( $command =~ /^(?:start|restart)$/ ) {
my $status = runCommand('zmdc.pl check');
if ( $status eq 'stopped' ) {
if ( $Config{ZM_DYN_DB_VERSION}
and ( $Config{ZM_DYN_DB_VERSION} ne ZM_VERSION )
) {
Fatal( 'Version mismatch, system is version '.ZM_VERSION
.', database is '.$Config{ZM_DYN_DB_VERSION}
.', please run zmupdate.pl to update.'
);
exit( -1 );
}
# Recreate the temporary directory if it's been wiped
verifyFolder('@ZM_TMPDIR@');
# Recreate the run directory if it's been wiped
verifyFolder('@ZM_RUNDIR@');
# Recreate the sock directory if it's been wiped
verifyFolder('@ZM_SOCKDIR@');
zmMemTidy();
runCommand('zmdc.pl startup');
my $Server = undef;
my $sql;
my @values;
if ( $Config{ZM_SERVER_ID} ) {
require ZoneMinder::Server;
Info("Multi-server configuration detected. Starting up services for server $Config{ZM_SERVER_ID}\n");
$Server = new ZoneMinder::Server( $Config{ZM_SERVER_ID} );
$sql = 'SELECT * FROM Monitors WHERE ServerId=?';
@values = ( $Config{ZM_SERVER_ID} );
} else {
Info('Single server configuration detected. Starting up services.');
$sql = 'SELECT * FROM Monitors';
}
my $sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute( @values )
or Fatal( "Can't execute: ".$sth->errstr() );
while( my $monitor = $sth->fetchrow_hashref() ) {
if ( $monitor->{Function} ne 'None' ) {
if ( $monitor->{Type} eq 'Local' ) {
runCommand( "zmdc.pl start zmc -d $monitor->{Device}" );
} else {
runCommand( "zmdc.pl start zmc -m $monitor->{Id}" );
}
if ( $Config{ZM_OPT_CONTROL} ) {
if ( $monitor->{Function} eq 'Modect' || $monitor->{Function} eq 'Mocord' ) {
if ( $monitor->{Controllable} && $monitor->{TrackMotion} ) {
runCommand( "zmdc.pl start zmtrack.pl -m $monitor->{Id}" );
}
}
}
}
}
$sth->finish();
# This is now started unconditionally
runCommand('zmdc.pl start zmfilter.pl');
if ( $Config{ZM_RUN_AUDIT} ) {
if ( $Server and exists $$Server{'zmaudit'} and ! $$Server{'zmaudit'} ) {
Debug("Not running zmaudit.pl because it is turned off for this server.");
} else {
runCommand('zmdc.pl start zmaudit.pl -c');
}
}
if ( $Config{ZM_OPT_TRIGGERS} ) {
if ( $Server and exists $$Server{'zmtrigger'} and ! $$Server{'zmtrigger'} ) {
Debug("Not running zmtrigger.pl because it is turned off for this server.");
} else {
runCommand('zmdc.pl start zmtrigger.pl');
}
}
if ( $Config{ZM_OPT_X10} ) {
runCommand('zmdc.pl start zmx10.pl -c start');
}
runCommand('zmdc.pl start zmwatch.pl');
if ( $Config{ZM_CHECK_FOR_UPDATES} ) {
runCommand('zmdc.pl start zmupdate.pl -c');
}
if ( $Config{ZM_TELEMETRY_DATA} ) {
runCommand('zmdc.pl start zmtelemetry.pl');
}
if ( $Server and exists $$Server{'zmstats'} and ! $$Server{'zmstats'} ) {
Debug("Not running zmstats.pl because it is turned off for this server.");
} else {
runCommand('zmdc.pl start zmstats.pl');
}
} else {
$retval = 1;
}
}
if ( $command eq 'status' ) {
my $status = runCommand('zmdc.pl check');
print( STDOUT $status."\n" );
} elsif ( $command eq 'logrot' ) {
runCommand('zmdc.pl logrot');
}
exit( $retval );
# PP - Make sure isActive is on and only one
sub isActiveSanityCheck {
Info('Sanity checking States table...');
$dbh = zmDbConnect() if ! $dbh;
# PP - First, make sure default exists and there is only one
my $sql = "SELECT Name FROM States WHERE Name='default'";
my $sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute()
or Fatal( "Can't execute: ".$sth->errstr() );
if ( $sth->rows != 1 ) {
# PP - no row, or too many rows. Either case is an error
Info( 'Fixing States table - either no default state or duplicate default states' );
$sql = "DELETE FROM States WHERE Name='default'";
$sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
$res = $sth->execute()
or Fatal( "Can't execute: ".$sth->errstr() );
$sql = "INSERT INTO States (Name,Definition,IsActive) VALUES ('default','','1');";
$sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
$res = $sth->execute()
or Fatal( "Can't execute: ".$sth->errstr() );
}
# PP - Now make sure no two states have IsActive=1
$sql = "SELECT Name FROM States WHERE IsActive = '1'";
$sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
$res = $sth->execute()
or Fatal( "Can't execute: ".$sth->errstr() );
if ( $sth->rows != 1 ) {
Info( 'Fixing States table so only one run state is active' );
resetStates();
$sql = "UPDATE States SET IsActive='1' WHERE Name='default'";
$sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
$res = $sth->execute()
or Fatal( "Can't execute: ".$sth->errstr() );
}
}
# PP - zeroes out isActive for all states
sub resetStates {
$dbh = zmDbConnect() if ! $dbh;
my $sql = "UPDATE States SET IsActive='0'";
my $sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute()
or Fatal( "Can't execute: ".$sth->errstr() );
}
sub systemdRunning {
my $result = 0;
my $output = qx(ps -o comm="" -p 1);
chomp( $output );
if ( $output =~ /systemd/ ) {
$result = 1;
}
return $result;
}
sub calledBysystem {
my $result = 0;
my $ppid = getppid();
my $output = qx(ps -o comm="" -p $ppid);
chomp( $output );
if ($output =~ /^(?:systemd|init)$/) {
$result = 1;
}
return $result;
}
sub verifyFolder {
my $folder = shift;
# Recreate the temporary directory if it's been wiped
if ( !-e $folder ) {
Debug( "Recreating directory '$folder'" );
mkdir( $folder, 0774 )
or Fatal( "Can't create missing temporary directory '$folder': $!" );
my ( $runName ) = getpwuid( $> );
if ( $runName ne $Config{ZM_WEB_USER} ) {
# Not running as web user, so should be root in which case
# chown the directory
my ( $webName, $webPass, $webUid, $webGid ) = getpwnam( $Config{ZM_WEB_USER} )
or Fatal( "Can't get user details for web user '"
.$Config{ZM_WEB_USER}."': $!"
);
chown( $webUid, $webGid, "$folder" )
or Fatal( "Can't change ownership of directory '$folder' to '"
.$Config{ZM_WEB_USER}.":".$Config{ZM_WEB_GROUP}."': $!"
);
}
}
}
1;
__END__
=head1 NAME
zmpkg.pl - ZoneMinder Package Control Script
=head1 SYNOPSIS
zmpkg.pl {start|stop|restart|status|logrot|'state'|version}
=head1 DESCRIPTION
This script is used to start and stop the ZoneMinder package primarily to
allow command line control for automatic restart on reboot (see zm script)
=cut
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