#!/usr/bin/perl -w #ver 0.01 (C)Cyr use strict; use warnings; use diagnostics; use IO::Socket; use Convert::ASN1; use Data::Dumper; use Carp; use POSIX; my $CSTAapdu; my $socket; my @devices; sub deviceNumber { my $deviceNumber = shift; my $deviceType = $deviceNumber & 0xFFFF0000; if ( $deviceType == 0x1310000 ) { $deviceType = 'CO'; } elsif ( $deviceType == 0x1210000 ) { $deviceType = 'PS'; } elsif ( $deviceType == 0x1110000 ) { $deviceType = 'EXT'; } elsif ( $deviceType == 0x1550000 ) { $deviceType = 'DISA'; } $deviceNumber = $deviceNumber & 0x0000FFFF; return $deviceType . sprintf( "%03s", $deviceNumber ); } sub decode_msg_header { my $bin = shift; my $len = unpack( 'n', $bin ); return $len; } sub encode_msg_header { my $len = shift; die "Message larger than allowed!" unless ( $len <= 240 ); my $bin = pack( 'n', $len ); return $bin; } sub convert_to_hex { my $pdu = $_[0]; my $hexdata = unpack( 'H*', $pdu ); $hexdata =~ tr/a-z/A-Z/; $hexdata =~ s/(..)/$1 /g; $hexdata =~ s/ $//g; return $hexdata; } sub send_pdu { my $pdu = $_[0]; my $header = encode_msg_header( length($pdu) ); $socket->write($header); $socket->write($pdu); # my $hexdata = convert_to_hex($pdu); # print("SENT: [$hexdata]\n"); } sub csta_connect { my %args = %{ $_[0] }; open_csta_socket( $args{host}, $args{port} ); # A-ASSOCIATE Request my $pdu = "602380020780A10706052B0C00815ABE14281206072B0C00821D8148A007A0050303000800"; $pdu = pack( 'H*', $pdu ); send_pdu($pdu); # A-ASSOCIATE Result $pdu = receive_stuff(); my $hexdata = convert_to_hex($pdu); if ( $hexdata =~ /A2 03 02 01 01/ ) { print "rejected-permanent\n"; exit 0; } #SystemStatus Request $pdu = receive_stuff(); my $out = $CSTAapdu->decode($pdu); my $invokeID = $out->{svcRequest}->{invokeID}; SystemStatusResult($invokeID); } sub open_csta_socket { my $host = shift; my $port = shift; $socket = new IO::Socket::INET( PeerAddr => $host, PeerPort => $port, Blocking => 1, Proto => 'tcp' ) || die "Error creating socket: $!\n"; $socket->autoflush(1); print("opened a connection to $host on port $port\n"); } sub receive_stuff { my $header = ''; my $pdu = ''; my $nbytes; $nbytes = $socket->sysread( $header, 2 ); if ( $nbytes == 1 ) { # фрагмент пакета my $header2; my $nbytes2 = $socket->sysread( $header2, 1 ); $header = $header . $header2; $nbytes = 2; } croak "Didn't receive the specified amount of data (2 bytes)!\n" . chr(7) unless ( $nbytes == 2 ); my $len = decode_msg_header($header); $nbytes = $socket->sysread( $pdu, $len ); if ( $nbytes < $len ) { # фрагмент пакета my $pdu2; my $nbytes2 = $socket->sysread( $pdu2, $len - $nbytes ); $pdu = $pdu . $pdu2; $nbytes = $nbytes + $nbytes2; } croak "Didn't receive the specified amount of data ($len bytes)!\n" . chr(7) unless ( $nbytes == $len ); # my $hexdata = convert_to_hex($pdu); # print("RECEIVED:[$hexdata]\n"); return $pdu; } sub GetSystemData { my $DeviceCategory = shift; #EXT=5 #CO =2 my $pdu = $CSTAapdu->encode( { svcRequest => { invokeID => 4, serviceID => 51, serviceArgs => { privateData => { private => { kmeSystemData => { getSystemData => { request => { deviceList => { category => { standardDevice => $DeviceCategory } } } } } } } } } } ); #my $pdu = "A11602020602020133300DA40BA009A407A105A0030A010".$DeviceCategory; #$pdu = pack('H*', $pdu); send_pdu($pdu); # getSystemDataPosAck $pdu = receive_stuff(); my $out = $CSTAapdu->decode($pdu); my $crossRefID = $out->{svcResult}->{result}->{serviceResult}->{extensions} ->{privateData}[0]->{private}->{kmeSystemData}->{getSystemDataPosAck}; my $lastSegment = 0; # systemDataLinkedReply while ( !$lastSegment ) { $pdu = receive_stuff(); my $out = $CSTAapdu->decode($pdu); my $systemDataLinkedReply = $out->{svcRequest}->{serviceArgs}->{privateData}->{private} ->{kmeSystemData}->{systemDataLinkedReply}; if ( defined $systemDataLinkedReply ) { if ( $systemDataLinkedReply->{crossRefID} cmp $crossRefID ) { next } $lastSegment = $systemDataLinkedReply->{lastSegment}; foreach my $KmeDeviceStateEntry ( @{ $systemDataLinkedReply->{sysData}->{deviceList} } ) { if ( $KmeDeviceStateEntry->{status} == 0 ) { # print "device:",$KmeDeviceStateEntry->{number},"\n"; push @devices, ( $KmeDeviceStateEntry->{device}->{deviceIdentifier} ->{deviceNumber} ); } } } } } sub MonitorStartArgument { my $device = shift; my $pdu = $CSTAapdu->encode( { svcRequest => { invokeID => 9, serviceID => 71, serviceArgs => { monitorObject => { deviceObject => { deviceIdentifier => { deviceNumber => $device } } }, requestedMonitorFilter => {} } } } ); send_pdu($pdu); #$pdu = receive_stuff(); } sub deviceID { my $deviceIdentifier = shift; $deviceIdentifier = $deviceIdentifier->{deviceIdentifier}; if ( defined $deviceIdentifier->{dialingNumber} ) { return $deviceIdentifier->{dialingNumber}; } elsif ( defined $deviceIdentifier->{deviceNumber} ) { return deviceNumber( $deviceIdentifier->{deviceNumber} ); } elsif ( defined $deviceIdentifier->{other} ) { return $deviceIdentifier->{other}; } } sub SystemStatusResult { my $invokeID = shift; my $pdu = $CSTAapdu->encode( { svcResult => { invokeID => $invokeID, result => { serviceID => 211, serviceResult => { noData => 1 } } } } ); send_pdu($pdu); # send SystemStatus Result } $Data::Dumper::Indent = 1; $Data::Dumper::Pair = ' '; $Data::Dumper::Quotekeys = 0; $Data::Dumper::Varname = 'calls'; # parse ASN.1 desciptions my $asn = Convert::ASN1->new; #$asn->configure(tagdefault=>'EXPLICIT'); $asn->prepare_file('kxtde.asn') or die "prepare: ", $asn->error; my %serviceArgs = ( 21 => 'CSTAEventReportArgument', 51 => 'EscapeArgument', 71 => 'MonitorStartArgument', 211 => 'SystemStatusArg' ); foreach ( keys %serviceArgs ) { $asn->registertype( 'serviceArgs', $_, $asn->find( $serviceArgs{$_} ) ); } my %serviceResults = ( 51 => 'EscapeResult', 71 => 'MonitorStartResult', 211 => 'SystemStatusRes' ); foreach ( keys %serviceResults ) { $asn->registertype( 'serviceResult', $_, $asn->find( $serviceResults{$_} ) ); } $CSTAapdu = $asn->find('CSTAapdu'); csta_connect( { 'host' => '192.168.240.20', 'port' => 33333 } ); GetSystemData(2); GetSystemData(5); foreach my $number (@devices) { MonitorStartArgument($number); } while (1) { my $pdu = receive_stuff(); Convert::ASN1::asn_hexdump($pdu); Convert::ASN1::asn_dump($pdu); my $out = $CSTAapdu->decode($pdu); print Dumper($out); if ( defined $out->{svcRequest} ) { my $serviceID = $out->{svcRequest}->{serviceID}; my $invokeID = $out->{svcRequest}->{invokeID}; my $serviceArgs = $out->{svcRequest}->{serviceArgs}; if ( $serviceID == 211 ) { # if SystemStatus Request SystemStatusResult($invokeID); } } }