zoneminder/scripts/zmpkg.pl

377 lines
9.1 KiB
Perl

#!/usr/bin/perl -wT
#
# ==========================================================================
#
# ZoneMinder Package Control Script, $Date$, $Revision$
# Copyright (C) 2003, 2004, 2005 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ==========================================================================
#
# 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)
#
use strict;
use bytes;
# ==========================================================================
#
# These are the elements you can edit to suit your installation
#
# ==========================================================================
use constant DBG_LEVEL => 0; # 0 is errors, warnings and info only, > 0 for debug
# ==========================================================================
#
# Don't change anything below here
#
# ==========================================================================
use ZoneMinder;
use DBI;
use POSIX;
use Time::HiRes qw/gettimeofday/;
use constant LOG_FILE => ZM_PATH_LOGS.'/zmpkg.log';
# Detaint our environment
$ENV{PATH} = '/bin:/usr/bin';
$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
my $command = $ARGV[0];
my $state;
my $dbh = DBI->connect( "DBI:mysql:database=".ZM_DB_NAME.";host=".ZM_DB_HOST, ZM_DB_USER, ZM_DB_PASS );
if ( !$command || $command !~ /^(?:start|stop|restart|status)$/ )
{
if ( $command )
{
# Check to see if it's a valid run state
my $sql = "select * from States where Name = '$command'";
my $sth = $dbh->prepare_cached( $sql ) or die( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute() or die( "Can't execute: ".$sth->errstr() );
if ( $state = $sth->fetchrow_hashref() )
{
$state->{Name} = $command;
$state->{Definitions} = [];
foreach( split( ',', $state->{Definition} ) )
{
my ( $id, $function ) = split( ':', $_ );
push( @{$state->{Definitions}}, { Id=>$id, Function=>$function } );
}
$command = 'state';
}
else
{
$command = undef;
}
}
if ( !$command )
{
print( "Usage: zmpkg.pl <start|stop|restart|status|'state'>\n" );
exit( -1 );
}
}
# Move to the right place
chdir( ZM_PATH_WEB ) or die( "Can't chdir to '".ZM_PATH_WEB."': $!" );
my $dbg_id = "";
my $log_file = LOG_FILE;
open( LOG, ">>$log_file" ) or die( "Can't open log file: $!" );
open( STDERR, ">&LOG" ) || die( "Can't dup stderr: $!" );
select( STDERR ); $| = 1;
select( LOG ); $| = 1;
Info( "Command: $command\n" );
my $web_uid = (getpwnam( ZM_WEB_USER ))[2];
my $web_gid = (getgrnam( ZM_WEB_GROUP ))[2];
if ( $> != $web_uid )
{
chown( $web_uid, $web_gid, $log_file ) or die( "Can't change permissions on log file: $!" )
}
my $retval = 0;
# Determine the appropriate syntax for the su command
my $cmd_prefix = getCmdPrefix();
if ( $command eq "state" )
{
Info( "Updating DB: $state->{Name}\n" );
my $sql = "select * from Monitors order by Id asc";
my $sth = $dbh->prepare_cached( $sql ) or die( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute() or die( "Can't execute: ".$sth->errstr() );
while( my $monitor = $sth->fetchrow_hashref() )
{
foreach my $definition ( @{$state->{Definitions}} )
{
if ( $monitor->{Id} =~ /^$definition->{Id}$/ )
{
$monitor->{NewFunction} = $definition->{Function};
}
}
#next if ( !$monitor->{NewFunction} );
$monitor->{NewFunction} = 'None' if ( !$monitor->{NewFunction} );
if ( $monitor->{Function} ne $monitor->{NewFunction} )
{
my $sql = "update Monitors set Function = ? where Id = ?";
my $sth = $dbh->prepare_cached( $sql ) or die( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute( $monitor->{NewFunction}, $monitor->{Id} ) or die( "Can't execute: ".$sth->errstr() );
}
}
$sth->finish();
$command = "restart";
}
if ( $command =~ /^(?:stop|restart)$/ )
{
my $status = runCommand( "zmdc.pl check" );
if ( $status eq "running" )
{
runCommand( "zmdc.pl shutdown" );
removeShm();
}
else
{
$retval = 1;
}
}
if ( $command =~ /^(?:start|restart)$/ )
{
my $status = runCommand( "zmdc.pl check" );
if ( $status eq "stopped" )
{
removeShm();
runCommand( "zmfix" );
runCommand( "zmdc.pl status" );
my $sql = "select * from Monitors";
my $sth = $dbh->prepare_cached( $sql ) or die( "Can't prepare '$sql': ".$dbh->errstr() );
my $res = $sth->execute() or die( "Can't execute: ".$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 ( $monitor->{Function} ne 'Monitor' )
{
if ( ZM_OPT_FRAME_SERVER )
{
runCommand( "zmdc.pl start zmf -m $monitor->{Id}" );
}
runCommand( "zmdc.pl start zma -m $monitor->{Id}" );
}
if ( 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" );
runCommand( "zmdc.pl start zmaudit.pl -d 900 -y" );
if ( ZM_OPT_TRIGGERS )
{
runCommand( "zmdc.pl start zmtrigger.pl" );
}
if ( ZM_OPT_X10 )
{
runCommand( "zmdc.pl start zmx10.pl -c start" );
}
runCommand( "zmdc.pl start zmwatch.pl" );
if ( ZM_CHECK_FOR_UPDATES )
{
runCommand( "zmdc.pl start zmupdate.pl -c" );
}
}
else
{
$retval = 1;
}
}
if ( $command eq "status" )
{
my $status = runCommand( "zmdc.pl check" );
print( STDOUT $status."\n" );
}
exit( $retval );
sub getCmdPrefix
{
Debug( "Testing valid shell syntax\n" );
my ( $name ) = getpwuid( $> );
if ( $name eq ZM_WEB_USER )
{
Debug( "Running as '$name', su commands not needed\n" );
return( "" );
}
my $null_command = "true";
my $prefix = "su ".ZM_WEB_USER." -c ";
my $command = $prefix."'".$null_command."'";
Debug( "Testing '$command'\n" );
my $output = qx($command);
my $status = $? >> 8;
if ( !$status )
{
Debug( "Test ok, using prefix '$prefix'\n" );
return( $prefix );
}
else
{
chomp( $output );
Debug( "Test failed, '$output'\n" );
$prefix = "su ".ZM_WEB_USER." --shell=/bin/sh --command=";
$command = $prefix."'true'";
Debug( "Testing '$command'\n" );
$output = qx($command);
$status = $? >> 8;
if ( !$status )
{
Debug( "Test ok, using prefix '$prefix'\n" );
return( $prefix );
}
else
{
chomp( $output );
Debug( "Test failed, '$output'\n" );
}
}
Error( "Unable to find valid 'su' syntax\n" );
exit( -1 );
}
sub removeShm
{
Debug( "Removing shared memory\n" );
# Find ZoneMinder shared memory
my $command = "ipcs -m | grep '^".substr( sprintf( "0x%x", hex(ZM_SHM_KEY) ), 0, -2 )."'";
Debug( "Checking for shared memory with '$command'\n" );
open( CMD, "$command |" ) or die( "Can't execute '$command': $!" );
while( <CMD> )
{
chomp;
my ( $key, $id ) = split( /\s+/ );
if ( $id =~ /^(\d+)/ )
{
$id = $1;
$command = "ipcrm shm $id";
Debug( "Removing shared memory with '$command'\n" );
qx( $command );
}
}
close( CMD );
}
sub runCommand
{
my $command = shift;
$command = $cmd_prefix."'".ZM_PATH_BIN."/".$command."'";
Debug( "Command: $command\n" );
my $output = qx($command);
my $status = $? >> 8;
chomp( $output );
if ( $status || DBG_LEVEL > 0 )
{
if ( $status )
{
Error( "Unable to run '$command', output is '$output'\n" );
exit( -1 );
}
else
{
Debug( "Output: $output\n" );
}
}
return( $output );
}
sub dbgPrint
{
my $code = shift;
my $string = shift;
my $line = shift;
$string =~ s/[\r\n]+$//g;
my ($seconds, $microseconds) = gettimeofday();
if ( $line )
{
my $file = __FILE__;
$file =~ s|^.*/||g;
printf( STDERR "%s.%06d %s[%d].%s-%s/%d [%s]\n", strftime( "%x %H:%M:%S", localtime( $seconds ) ), $microseconds, $dbg_id, $$, $file, $line, $code, $string );
}
else
{
printf( STDERR "%s.%06d %s[%d].%s [%s]\n", strftime( "%x %H:%M:%S", localtime( $seconds ) ), $microseconds, $dbg_id, $$, $code, $string );
}
}
sub Debug
{
dbgPrint( "DBG", $_[0] ) if ( DBG_LEVEL >= 1 );
}
sub Info
{
dbgPrint( "INF", $_[0] ) if ( DBG_LEVEL >= 0 );
}
sub Warning
{
dbgPrint( "WAR", $_[0] ) if ( DBG_LEVEL >= -1 );
}
sub Error
{
dbgPrint( "ERR", $_[0] ) if ( DBG_LEVEL >= -2 );
}