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diff --git a/branches/old/gosa-si/gosa-si-client b/branches/old/gosa-si/gosa-si-client
--- /dev/null
@@ -0,0 +1,1252 @@
+#!/usr/bin/perl
+#===============================================================================
+#
+# FILE: gosa-server
+#
+# USAGE: gosa-si-client
+#
+# DESCRIPTION:
+#
+# OPTIONS: ---
+# REQUIREMENTS: libnetaddr-ip-perl
+# BUGS: ---
+# NOTES:
+# AUTHOR: (Andreas Rettenberger), <rettenberger@gonicus.de>
+# COMPANY:
+# VERSION: 1.0
+# CREATED: 12.09.2007 08:54:41 CEST
+# REVISION: ---
+#===============================================================================
+
+use strict;
+use warnings;
+use Getopt::Long;
+use Config::IniFiles;
+use POSIX;
+use Time::HiRes qw( gettimeofday );
+
+use POE qw(Component::Server::TCP Wheel::FollowTail Wheel::Run);
+use IO::Socket::INET;
+use NetAddr::IP;
+use Data::Dumper;
+use Crypt::Rijndael;
+use GOSA::GosaSupportDaemon;
+use Digest::MD5 qw(md5_hex md5 md5_base64);
+use MIME::Base64;
+use XML::Simple;
+use File::Basename;
+use File::Spec;
+
+# Workaround: need pure perl to make it work with UTF-8 :-(
+$XML::Simple::PREFERRED_PARSER= "XML::SAX::PurePerl";
+
+my $client_version = '$HeadURL$:$Rev$';
+my $client_headURL;
+my $client_revision;
+my $client_status;
+my $event_dir = "/usr/lib/gosa-si/client/events";
+use lib "/usr/lib/gosa-si/client/events";
+
+my (%cfg_defaults, $foreground, $verbose, $pid_file, $procid, $pid, $log_file, $fai_logpath);
+my ($server_ip, $server_port, $server_timeout, $server_domain, $server_key_lifetime);
+my ($client_port, $ldap_enabled, $ldap_config, $pam_config, $nss_config);
+my $xml;
+my $event_hash;
+my $default_server_key;
+my @servers;
+my $gotoHardwareChecksum;
+my $gosa_si_client_fifo;
+my %files_to_watch;
+$verbose= 1;
+
+# globalise variables which are used in imported events
+our $global_kernel;
+our $cfg_file;
+our $opts_file;
+our $server_address;
+our $client_address;
+our $client_ip;
+our $client_mac_address;
+our $client_dnsname;
+our $client_force_hostname;
+our $server_key;
+
+# default variables
+our $REGISTERED = 0;
+
+# path to fifo for non-gosa-si-client messages to gosa-si-server
+$gosa_si_client_fifo = "/var/run/gosa-si-client.socket";
+%files_to_watch = (fifo => $gosa_si_client_fifo);
+
+# in function register_at_gosa_si_server, after which period of seconds a new registration should be tried if a registration was
+# not successful until now
+my $delay_set_time = 10;
+our $prg= basename($0);
+
+# all n seconds the client reports logged_in users to gosa-si-server
+my $trigger_logged_in_users_report_delay = 600;
+
+# all n seconds the client reports messages seen by user
+my $trigger_seen_messages_delay = 30;
+
+# directory where all log files from installation are stored
+my $fai_log_dir = "/var/log/fai";
+
+%cfg_defaults = (
+"general" =>
+ {"log-file" => [\$log_file, "/var/run/".$prg.".log"],
+ "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
+ "opts-file" => [\$opts_file, "/var/run/".$prg.".opts"],
+ },
+"client" =>
+ {"port" => [\$client_port, "20083"],
+ "ip" => [\$client_ip, "0.0.0.0"],
+ "mac-address" => [\$client_mac_address, "00:00:00:00:00:00"],
+ "server-domain" => [\$server_domain, ""],
+ "ldap" => [\$ldap_enabled, 1],
+ "ldap-config" => [\$ldap_config, "/etc/ldap/ldap.conf"],
+ "pam-config" => [\$pam_config, "/etc/pam_ldap.conf"],
+ "nss-config" => [\$nss_config, "/etc/libnss-ldap.conf"],
+ "fai-logpath" => [\$fai_logpath, "/var/log/fai/fai.log"],
+ "force-hostname" => [\$client_force_hostname, "false"],
+ },
+"server" => {
+ "ip" => [\$server_ip, "127.0.0.1"],
+ "port" => [\$server_port, "20081"],
+ "key" => [\$server_key, ""],
+ "timeout" => [\$server_timeout, 10],
+ "key-lifetime" => [\$server_key_lifetime, 600],
+ },
+
+);
+
+
+#=== FUNCTIONS = functions =====================================================
+
+sub usage {
+ print STDERR << "EOF" ;
+usage: $prg [-hvf] [-c config]
+
+ -h : this (help) message
+ -c <file> : config file
+ -f : foreground, process will not be forked to background
+ -v : be verbose (multiple to increase verbosity)
+
+EOF
+ print "\n" ;
+}
+
+#=== FUNCTION ================================================================
+# NAME: check_cmdline_param
+# PARAMETERS:
+# RETURNS:
+# DESCRIPTION:
+#===============================================================================
+sub check_cmdline_param () {
+ my $err_config;
+ my $err_counter = 0;
+ if(not defined($cfg_file)) {
+ $cfg_file = "/etc/gosa-si/client.conf";
+ if(! -r $cfg_file) {
+ $err_config = "please specify a config file";
+ $err_counter += 1;
+ }
+ }
+ if( $err_counter > 0 ) {
+ &usage( "", 1 );
+ if( defined( $err_config)) { print STDERR "$err_config\n"}
+ print STDERR "\n";
+ exit( -1 );
+ }
+}
+
+
+#=== FUNCTION ================================================================
+# NAME: check_pid
+# PARAMETERS:
+# RETURNS:
+# DESCRIPTION:
+#===============================================================================
+sub check_pid {
+ $pid = -1;
+ # Check, if we are already running
+ if( open(LOCK_FILE, "<$pid_file") ) {
+ $pid = <LOCK_FILE>;
+ if( defined $pid ) {
+ chomp( $pid );
+ if( -f "/proc/$pid/stat" ) {
+ my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
+ if( $0 eq $stat ) {
+ close( LOCK_FILE );
+ exit -1;
+ }
+ }
+ }
+ close( LOCK_FILE );
+ unlink( $pid_file );
+ }
+
+ # create a syslog msg if it is not to possible to open PID file
+ if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
+ my($msg) = "Couldn't obtain lockfile '$pid_file' ";
+ if (open(LOCK_FILE, '<', $pid_file)
+ && ($pid = <LOCK_FILE>))
+ {
+ chomp($pid);
+ $msg .= "(PID $pid)\n";
+ } else {
+ $msg .= "(unable to read PID)\n";
+ }
+ if( ! ($foreground) ) {
+ openlog( $0, "cons,pid", "daemon" );
+ syslog( "warning", $msg );
+ closelog();
+ }
+ else {
+ print( STDERR " $msg " );
+ }
+ exit( -1 );
+ }
+}
+
+
+sub sig_int_handler {
+ my ($signal) = @_;
+
+ daemon_log("shutting down gosa-si-client", 1);
+ system("kill `ps -C gosa-si-client -o pid=`");
+}
+$SIG{INT} = \&sig_int_handler;
+
+
+#=== FUNCTION ================================================================
+# NAME: logging
+# PARAMETERS: level - string - default 'info'
+# msg - string -
+# facility - string - default 'LOG_DAEMON'
+# RETURNS:
+# DESCRIPTION:
+#===============================================================================
+sub daemon_log {
+# log into log_file
+ my( $msg, $level ) = @_;
+ if(not defined $msg) { return }
+ if(not defined $level) { $level = 1 }
+ if(defined $log_file){
+ open(LOG_HANDLE, ">>$log_file");
+ if(not defined open( LOG_HANDLE, ">>$log_file" )) {
+ print STDERR "cannot open $log_file: $!";
+ return
+ }
+ chomp($msg);
+ if($level <= $verbose){
+ my ($seconds, $minutes, $hours, $monthday, $month,
+ $year, $weekday, $yearday, $sommertime) = localtime(time);
+ $hours = $hours < 10 ? $hours = "0".$hours : $hours;
+ $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
+ $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
+ my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
+ $month = $monthnames[$month];
+ $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
+ $year+=1900;
+
+ my $log_msg = "$month $monthday $hours:$minutes:$seconds $prg $msg\n";
+ print LOG_HANDLE $log_msg;
+ if( $foreground ) {
+ print STDERR $log_msg;
+ }
+ }
+ close( LOG_HANDLE );
+ }
+}
+
+
+#=== FUNCTION ================================================================
+# NAME: get_mac
+# PARAMETERS: interface name (i.e. eth0)
+# RETURNS: (mac address)
+# DESCRIPTION: Uses ioctl to get mac address directly from system.
+#===============================================================================
+sub get_mac {
+ my $ifreq= shift;
+ my $result;
+ if ($ifreq && length($ifreq) > 0) {
+ if($ifreq eq "all") {
+ if(defined($server_ip)) {
+ $result = &get_local_mac_for_remote_ip($server_ip);
+ }
+ elsif ($client_mac_address && length($client_mac_address) > 0 && !($client_mac_address eq "00:00:00:00:00:00")){
+ $result = &client_mac_address;
+ }
+ else {
+ $result = "00:00:00:00:00:00";
+ }
+ } else {
+ my $SIOCGIFHWADDR= 0x8927; # man 2 ioctl_list
+
+ # A configured MAC Address should always override a guessed value
+ if ($client_mac_address and length($client_mac_address) > 0 and not($client_mac_address eq "00:00:00:00:00:00")) {
+ $result= $client_mac_address;
+ }
+ else {
+ socket SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('ip')
+ or die "socket: $!";
+
+ if(ioctl SOCKET, $SIOCGIFHWADDR, $ifreq) {
+ my ($if, $mac)= unpack 'h36 H12', $ifreq;
+
+ if (length($mac) > 0) {
+ $mac=~ m/^([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$/;
+ $mac= sprintf("%s:%s:%s:%s:%s:%s", $1, $2, $3, $4, $5, $6);
+ $result = $mac;
+ }
+ }
+ }
+ }
+ }
+ return $result;
+}
+
+
+
+#=== FUNCTION ================================================================
+# NAME: get_local_mac_for_remote_ip
+# PARAMETERS: none (takes server_ip from global variable)
+# RETURNS: (ip address from interface that is used for communication)
+# DESCRIPTION: Uses ioctl to get routing table from system, checks which entry
+# matches (defaultroute last).
+#===============================================================================
+sub get_local_mac_for_remote_ip {
+ my $server_ip= shift;
+ my $result= "00:00:00:00:00:00";
+
+ if($server_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
+ my $PROC_NET_ROUTE= ('/proc/net/route');
+
+ open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
+ or die "Could not open $PROC_NET_ROUTE";
+
+ my @ifs = <PROC_NET_ROUTE>;
+
+ close(PROC_NET_ROUTE);
+
+ # Eat header line
+ shift @ifs;
+ chomp @ifs;
+ foreach my $line(@ifs) {
+ my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
+ my $destination;
+ my $mask;
+ my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
+ $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
+ ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
+ $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
+ if(new NetAddr::IP($server_ip)->within(new NetAddr::IP($destination, $mask))) {
+ # destination matches route, save mac and exit
+ $result= &get_mac($Iface);
+ last;
+ }
+ }
+ } else {
+ daemon_log("get_local_mac_for_remote_ip was called with a non-ip parameter: $server_ip", 1);
+ }
+ return $result;
+}
+
+
+sub generate_hw_digest {
+ my $hw_data;
+ foreach my $line (split /\n/, `cat /proc/bus/pci/devices`) {
+ $hw_data.= sprintf "%s", $line =~ /[^\s]+\s([^\s]+)\s.*/;
+ }
+ return(md5_base64($hw_data));
+}
+
+
+sub create_ciphering {
+ my ($passwd) = @_;
+ if((!defined($passwd)) || length($passwd)==0) {
+ $passwd = "";
+ }
+ $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
+ my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
+ my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
+ $my_cipher->set_iv($iv);
+ return $my_cipher;
+}
+
+
+sub encrypt_msg {
+ my ($msg, $key) = @_;
+ my $my_cipher = &create_ciphering($key);
+ my $len;
+ {
+ use bytes;
+ $len= 16-length($msg)%16;
+ }
+ $msg = "\0"x($len).$msg;
+ $msg = $my_cipher->encrypt($msg);
+ chomp($msg = &encode_base64($msg));
+ # there are no newlines allowed inside msg
+ $msg=~ s/\n//g;
+ return $msg;
+}
+
+
+sub decrypt_msg {
+
+ my ($msg, $key) = @_ ;
+ $msg = &decode_base64($msg);
+ my $my_cipher = &create_ciphering($key);
+ $msg = $my_cipher->decrypt($msg);
+ $msg =~ s/\0*//g;
+ return $msg;
+}
+
+
+#=== FUNCTION ================================================================
+# NAME: send_msg_hash_to_target
+# PARAMETERS: msg_hash - hash - xml_hash created with function create_xml_hash
+# PeerAddr string - socket address to send msg
+# PeerPort string - socket port, if not included in socket address
+# RETURNS: nothing
+# DESCRIPTION: ????
+#===============================================================================
+sub send_msg_hash_to_target {
+ my ($msg_hash, $address, $encrypt_key) = @_ ;
+ my $msg = &create_xml_string($msg_hash);
+ my $header = @{$msg_hash->{'header'}}[0];
+ my $error = &send_msg_to_target($msg, $address, $encrypt_key, $header);
+
+ return $error;
+}
+
+
+sub send_msg_to_target {
+ my ($msg, $address, $encrypt_key, $msg_header) = @_ ;
+ my $error = 0;
+
+ if( $msg_header ) { $msg_header = "'$msg_header'-"; }
+ else { $msg_header = ""; }
+
+ # Memorize own source address
+ $msg =~ /<source>(\S+)<\/source>/;
+ my $own_source_address = $1;
+
+ # encrypt xml msg
+ my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
+
+ # opensocket
+ my $socket = &open_socket($address);
+ if( !$socket ) {
+ daemon_log("WARNING: cannot send ".$msg_header."msg to $address , host not reachable", 3);
+ if ($REGISTERED == 1) {
+ $REGISTERED = 0; # if server is not available, cause reregistering
+ daemon_log("INFO: cause reregistering at gosa-si-server", 5);
+ $global_kernel->yield('register_at_gosa_si_server');
+
+ }
+ $error++;
+ }
+
+ # send xml msg
+ if( $error == 0 ) {
+ print $socket $crypted_msg.";$own_source_address\n";
+ daemon_log("INFO: send ".$msg_header."msg to $address", 5);
+ daemon_log("DEBUG: message:\n$msg", 9);
+ }
+
+ # close socket in any case
+ if( $socket ) {
+ close $socket;
+ }
+
+ return $error;
+}
+
+
+sub write_to_file {
+ my ($string, $file) = @_;
+ my $error = 0;
+
+ if( not defined $file || not -f $file ) {
+ &main::daemon_log("ERROR: $prg: check '-f file' failed: $file", 1);
+ $error++;
+ }
+ if( not defined $string || 0 == length($string)) {
+ &main::daemon_log("ERROR: $prg: empty string to write to file '$file'", 1);
+ $error++;
+ }
+
+ if( $error == 0 ) {
+
+ chomp($string);
+
+ if (open(FILE, ">> $file")){
+ print FILE $string."\n";
+ close(FILE);
+ }
+ }
+
+ return;
+}
+
+
+sub open_socket {
+ my ($PeerAddr, $PeerPort) = @_ ;
+ if(defined($PeerPort)){
+ $PeerAddr = $PeerAddr.":".$PeerPort;
+ }
+ my $socket;
+ $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
+ Porto => "tcp",
+ Type => SOCK_STREAM,
+ Timeout => 5,
+ );
+ if(not defined $socket) {
+ return;
+ }
+ &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
+ return $socket;
+}
+
+
+#=== FUNCTION ================================================================
+# NAME: register_at_server
+# PARAMETERS:
+# RETURNS:
+# DESCRIPTION:
+#===============================================================================
+sub register_at_gosa_si_server {
+ my ($kernel) = $_[KERNEL];
+ my $try_to_register = 0;
+
+ # if client is already registered, stop registration process
+ if ($REGISTERED) {
+ $kernel->delay('register_at_gosa_si_server');
+
+ # client is not registered, start registration process
+ } else {
+ # clear all other triggered events and wait till registration was successful
+ $kernel->delay('trigger_new_key');
+
+ # create new passwd and ciphering object for client-server communication
+ $server_key = &create_passwd();
+
+ my $events = join( ",", keys %{$event_hash} );
+ while(1) {
+ $try_to_register++;
+
+ # after one complete round through all server, stop trying to register
+ if( $try_to_register > @servers ) { last; }
+
+ # fetch first gosa-si-server from @servers
+ # append shifted gosa-si-server at the end of @servers, so looking for servers never stop if
+ # a registration never occured
+ my $server = shift(@servers);
+ push( @servers, $server );
+
+ # Check if our ip is resolvable - if not: don't try to register
+ if(!(defined($server) && $server =~ m/^[0-9\.]*?:.*$/)) {
+ &main::daemon_log("ERROR: Server with address '".defined($server)?$server:""."' is invalid!", 1);
+ if (length(@servers) == 1) {
+ &main::daemon_log("ERROR: No valid servers found!", 1);
+ exit(1);
+ }
+ }
+
+ # Check if our ip is resolvable - if not: don't try to register
+ my $ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
+ my $dnsname= gethostbyaddr(inet_aton($ip), AF_INET);
+ if(!defined($dnsname)) {
+ if( defined($client_force_hostname) && $client_force_hostname eq "true") {
+ $dnsname = `hostname`;
+ } else {
+ &write_to_file("goto-error-dns:$ip", $fai_logpath);
+ &main::daemon_log("ERROR: ip is not resolvable, no registration possible. Write 'goto-error-dns:$ip' to $fai_logpath", 1);
+ exit(1);
+ }
+ }
+
+ # create registration msg
+ my $local_ip = &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
+ my $local_mac = &get_local_mac_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
+ my $register_hash = &create_xml_hash("here_i_am", $local_ip.":".$client_port, $server);
+ &add_content2xml_hash($register_hash, "new_passwd", $server_key);
+ &add_content2xml_hash($register_hash, "mac_address", $local_mac);
+ &add_content2xml_hash($register_hash, "events", $events);
+ &add_content2xml_hash($register_hash, "client_status", $client_status);
+ &add_content2xml_hash($register_hash, "client_revision", $client_revision);
+ &add_content2xml_hash($register_hash, "gotoHardwareChecksum", $gotoHardwareChecksum);
+ &add_content2xml_hash($register_hash, "key_lifetime", $server_key_lifetime);
+
+ # Add $HOSTNAME from ENV if force-hostname is set
+ if( defined($client_force_hostname) && $client_force_hostname eq "true") {
+ if(defined($ENV{HOSTNAME}) && length($ENV{HOSTNAME}) >0 ) {
+ &add_content2xml_hash($register_hash, "force-hostname", $ENV{HOSTNAME});
+ } else {
+ &main::daemon_log("force-hostname was set to true, but no \$HOSTNAME was found in Environment!",0);
+ }
+ }
+
+ # send xml hash to server with general server passwd
+ my $res = &send_msg_hash_to_target($register_hash, $server, $default_server_key);
+
+ # if delivery of registration msg succeed
+ if($res eq "0") {
+ # reset try_to_register
+ $try_to_register = 0;
+
+ # Set fixed client address and mac address
+ $client_ip= &get_local_ip_for_remote_ip(sprintf("%s", $server =~ /^([0-9\.]*?):.*$/));
+ $client_address= "$client_ip:$client_port";
+ $client_mac_address = $local_mac;
+ $client_dnsname = $dnsname;
+ last;
+
+ # delivery of registration msg failed
+ } else {
+ # wait 1 sec until trying to register again
+ sleep(1);
+ next;
+ }
+
+ } # end of while
+ # one circle through all servers finished and no registration succeed
+ if ( $try_to_register >= @servers ) {
+ &write_to_file("gosa-si-no-server-available", $fai_logpath);
+ $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
+
+ # delivery of registraion msg succeed, waiting for server response
+ } else {
+ daemon_log("INFO: waiting for msg 'register_at_gosa_si_server'",5);
+ $kernel->delay_set('register_at_gosa_si_server', $delay_set_time);
+ # clear old settings and set it again
+ $kernel->delay('trigger_new_key');
+ $kernel->delay_set('trigger_new_key', $server_key_lifetime);
+ }
+
+ }
+ return;
+}
+
+
+sub check_key_and_xml_validity {
+ my ($crypted_msg, $module_key) = @_;
+
+ my $msg;
+ my $msg_hash;
+ eval{
+ $msg = &decrypt_msg($crypted_msg, $module_key);
+ &main::daemon_log("decrypted_msg: \n$msg", 9);
+
+ $msg_hash = $xml->XMLin($msg, ForceArray=>1);
+
+ ##############
+ # check header
+ my $header_l = $msg_hash->{'header'};
+ if( 1 != @{$header_l} ) {
+ die 'no or more headers specified';
+ }
+ my $header = @{$header_l}[0];
+ if( 0 == length $header) {
+ die 'header has length 0';
+ }
+
+ ##############
+ # check source
+ my $source_l = $msg_hash->{'source'};
+ if( 1 != @{$source_l} ) {
+ die 'no or more than 1 sources specified';
+ }
+ my $source = @{$source_l}[0];
+ if( 0 == length $source) {
+ die 'source has length 0';
+ }
+ unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
+ die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
+ }
+
+ ##############
+ # check target
+ my $target_l = $msg_hash->{'target'};
+ if( 1 != @{$target_l} ) {
+ die 'no or more than 1 targets specified ';
+ }
+ my $target = @{$target_l}[0];
+ if( 0 == length $target) {
+ die 'target has length 0 ';
+ }
+ unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ){
+ die "source is neither a complete ip-address with port nor 'GOSA'";
+ }
+ };
+ if($@) {
+ &main::daemon_log("WARNING: do not understand the message or msg is not gosa-si envelope conform:", 5);
+ &main::daemon_log("$@", 8);
+ $msg = undef;
+ $msg_hash = undef;
+ }
+
+ return ($msg, $msg_hash);
+}
+
+
+sub check_outgoing_xml_validity {
+ my ($msg) = @_;
+
+ my $msg_hash;
+ eval{
+ $msg_hash = $xml->XMLin($msg, ForceArray=>1);
+
+ ##############
+ # check header
+ my $header_l = $msg_hash->{'header'};
+ if( 1 != @{$header_l} ) {
+ die 'no or more than one headers specified';
+ }
+ my $header = @{$header_l}[0];
+ if( 0 == length $header) {
+ die 'header has length 0';
+ }
+
+ ##############
+ # check source
+ my $source_l = $msg_hash->{'source'};
+ if( 1 != @{$source_l} ) {
+ die 'no or more than 1 sources specified';
+ }
+ my $source = @{$source_l}[0];
+ if( 0 == length $source) {
+ die 'source has length 0';
+ }
+ unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
+ $source =~ /^GOSA$/i ) {
+ die "source '$source' is neither a complete ip-address with port";
+ }
+
+ ##############
+ # check target
+ my $target_l = $msg_hash->{'target'};
+ if( 1 != @{$target_l} ) {
+ die "no or more than one targets specified";
+ }
+ foreach my $target (@$target_l) {
+ if( 0 == length $target) {
+ die "target has length 0";
+ }
+ unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ) {
+ die "target '$target' is not a complete ip-address with port or a valid target name";
+ }
+ }
+ };
+ if($@) {
+ daemon_log("WARNING: outgoing msg is not gosa-si envelope conform", 5);
+ daemon_log("$@ $msg", 8);
+ $msg_hash = undef;
+ }
+ return ($msg_hash);
+}
+
+
+sub trigger_new_key {
+ my ($kernel) = $_[KERNEL] ;
+
+ my $msg = "<xml><header>new_key</header><source>$client_address</source><target>$client_address</target></xml>";
+ &send_msg_to_target($msg, $client_address, $server_key, 'new_key');
+
+ $kernel->delay_set('trigger_new_key', $server_key_lifetime);
+}
+
+
+sub trigger_logged_in_users_report {
+ my ($kernel) = $_[KERNEL] ;
+
+ # just do if client is registered already
+ if( $REGISTERED ) {
+ my $result = qx(/usr/bin/users);
+ my @logged_in_user_list;
+ if( defined $result ) {
+ chomp($result);
+ @logged_in_user_list = split(/\s/, $result);
+ }
+
+ system("echo 'CURRENTLY_LOGGED_IN ".join(" ", @logged_in_user_list)."' > /var/run/gosa-si-client.socket");
+ $kernel->delay_set('trigger_logged_in_users_report', $trigger_logged_in_users_report_delay);
+ } else {
+ # try it in 10 sec again
+ $kernel->delay_set('trigger_logged_in_users_report', 10);
+ }
+}
+
+
+sub trigger_seen_messages {
+ my ($kernel) = $_[KERNEL] ;
+
+ # Select all files under /tmp with prefix 'goto_notify'
+ my $goto_dir = "/tmp";
+ opendir(DIR, $goto_dir);
+ my @goto_files = grep { /.goto_notify$/ && -f "$goto_dir/$_" } readdir(DIR);
+ closedir DIR;
+
+ # Check if file has 'seen' tag
+ foreach my $goto_file (@goto_files) {
+ open(FILE, "$goto_dir/$goto_file");
+ my @lines = <FILE>;
+ close FILE;
+
+ my $source;
+ my $target;
+ my $usr;
+ my $subject;
+ my $message;
+ my $seen = 0;
+ chomp(@lines);
+ foreach my $line (@lines) {
+ if ($line =~ /^source:([\S\s]*)$/) {
+ $source = $1
+ }
+ if ($line =~ /^target:([\S\s]*)$/) {
+ $target = $1;
+ }
+ if ($line =~ /^usr:([\S\s]*)$/) {
+ $usr = $1;
+ }
+ if ($line =~ /^subject:([\S\s]*)$/) {
+ $subject = $1;
+ }
+ if ($line =~ /^message:([\S\s]*)$/) {
+ $message = $1;
+ }
+ if ($line =~ /^seen$/) {
+ $seen++;
+ }
+ }
+
+ # Send 'confirm_usr_msg' back to msg-hosting server
+ if ($seen) {
+ my %data = ('usr'=>$usr, 'subject'=>$subject, 'message'=>$message);
+ my $confirm_msg = &build_msg("confirm_usr_msg", $target, $source, \%data);
+ my $send_error = &send_msg_to_target($confirm_msg, $server_address, $server_key);
+
+ # Delete file
+ if (not $send_error) {
+ system("rm $goto_dir/$goto_file");
+ }
+ }
+ }
+
+ $kernel->delay_set('trigger_seen_messages', $trigger_seen_messages_delay);
+
+ return;
+}
+
+
+sub generic_file_error {
+ my ( $heap, $operation, $errno, $error_string, $wheel_id ) =
+ @_[ HEAP, ARG0, ARG1, ARG2, ARG3 ];
+
+ my $service = $heap->{services}->{$wheel_id};
+ daemon_log("ERROR: '$service' watcher $operation error $errno: $error_string", 1);
+ daemon_log("ERROR: shutting down '$service' file watcher", 1);
+
+ delete $heap->{services}->{$wheel_id};
+ delete $heap->{watchers}->{$wheel_id};
+ return;
+}
+
+
+sub fifo_got_record {
+ my $file_record = $_[ARG0];
+ my $header;
+ my $content = "";
+ daemon_log("DEBUG: fifo got record: $file_record", 7);
+
+ $file_record =~ /^(\S+)[ ]?([\s\S]+)?$/;
+ if( defined $1 ) {
+ $header = $1;
+ } else {
+ return;
+ }
+
+ if( defined $2 ) {
+ $content = $2;
+ }
+
+ my $clmsg_hash = &create_xml_hash("CLMSG_$header", $client_address, $server_address, $content);
+ &add_content2xml_hash($clmsg_hash, "macaddress", $client_mac_address);
+ my $utc_ts = &main::get_utc_time();
+ &add_content2xml_hash($clmsg_hash, "timestamp", $utc_ts);
+ my $clmsg = &create_xml_string($clmsg_hash);
+ &send_msg_to_target($clmsg, $server_address, $server_key, "CLMSG_$header");
+
+ # if installation finished, save all log files
+ if ($file_record eq "TASKBEGIN finish") {
+ &save_fai_log($fai_log_dir);
+ }
+
+ return;
+}
+
+
+sub save_fai_log {
+ my ($fai_log_dir) = @_ ;
+ my $FAI_DIR;
+
+ opendir($FAI_DIR, $fai_log_dir);
+ if (not defined $FAI_DIR) {
+ daemon_log("ERROR: can not open directory $fai_log_dir: $!", 1);
+ return;
+ }
+
+ my @log_files = readdir($FAI_DIR);
+ closedir($FAI_DIR);
+ my @log_list;
+
+ foreach my $log_file (@log_files) {
+ if( $log_file eq "." || $log_file eq ".." ) { next; }
+ my $log = "log_file:$log_file:";
+ $log_file = File::Spec->catfile( $fai_log_dir, $log_file );
+ open(my $FILE, "<$log_file");
+ if (not defined $FILE ) {
+ daemon_log("ERROR: can not open '$log_file': $!", 1);
+ next;
+ }
+ my @lines = <$FILE>;
+ my $log_string = join("", @lines);
+ $log .= &encode_base64($log_string);
+ push(@log_list, $log);
+ close ($FILE);
+ }
+
+ my $all_log_string = join("\n", @log_list);
+ my $msg_hash = &create_xml_hash("CLMSG_save_fai_log", $client_address, $server_address, $all_log_string);
+ &add_content2xml_hash($msg_hash, "macaddress", $client_mac_address);
+ my $msg = &create_xml_string($msg_hash);
+ &send_msg_to_target($msg, $server_address, $server_key, "CLMSG_save_fai_log");
+
+}
+
+
+sub sig_handler {
+ my ($kernel, $signal) = @_[KERNEL, ARG0] ;
+ daemon_log("0 INFO got signal '$signal'", 1);
+ $kernel->sig_handled();
+ return;
+}
+
+
+sub _start {
+ my ($kernel, $heap) = @_[KERNEL, HEAP];
+ $kernel->alias_set('client_session');
+ $global_kernel = $kernel; # this is used to throw events at each point of the skript
+
+ $kernel->sig(USR1 => "sig_handler");
+
+ # force a registration at a gosa-si-server
+ $kernel->yield('register_at_gosa_si_server');
+
+ # install all file watcher defined
+ while( my($name, $file) = each %files_to_watch ) {
+ my $watcher = POE::Wheel::FollowTail->new(
+ Filename => $file,
+ InputEvent => $name."_record",
+ # ResetEvent => "file_reset",
+ ErrorEvent => "file_error",
+ );
+# $heap->{tail} = POE::Wheel::Run->new(
+# Program => [ "/usr/bin/tail", "-f", $file ],
+# StdoutEvent => $file_name."_record",
+# );
+ $heap->{services}->{ $watcher->ID } = $name;
+ $heap->{watchers}->{ $watcher->ID } = $watcher;
+ }
+ $kernel->yield('trigger_logged_in_users_report');
+ $kernel->yield('trigger_seen_messages');
+}
+
+
+sub _default {
+ daemon_log("ERROR: can not handle incoming msg with header '$_[ARG0]'", 1);
+ return;
+}
+
+
+sub server_input {
+ my ($kernel, $heap, $input, $wheel) = @_[KERNEL, HEAP, ARG0, ARG1];
+ my $remote_ip = $heap->{'remote_ip'},
+ my $error = 0;
+ my $answer;
+
+
+ daemon_log("INFO: Incoming msg from '$remote_ip'", 5);
+ daemon_log("DEBUG: Incoming msg:\n$input\n", 9);
+
+ my ($msg, $msg_hash) = &check_key_and_xml_validity($input, $server_key);
+ if( (!$msg) || (!$msg_hash) ) {
+ daemon_log("WARNING: Deciphering of incoming msg failed", 3);
+ if($server_address =~ /$remote_ip/) {
+ # got a msg from gosa-si-server which can not be decrypted, may the secrete not up-to-date
+ # cause a reregistering with a new secrete handshake
+ daemon_log("WARNING: Message from gosa-si-server could not be understood, cause reregistering at server", 3);
+
+ # if client is alread in a registration process, that means not registered, do nothing
+ # if not, cause re-registration
+ if (not $REGISTERED) {
+ &daemon_log("WARNING: gosa-si-client is already in a registration process so ignore this message", 3);
+ } else {
+ $REGISTERED = 0;
+ $kernel->post('client_session', 'register_at_gosa_si_server');
+ }
+ }
+ $error++;
+ }
+
+
+ ######################
+ # process incoming msg
+ if( $error == 0 ) {
+ my $header = @{$msg_hash->{header}}[0];
+ my $source = @{$msg_hash->{source}}[0];
+
+ if( exists $event_hash->{$header} ) {
+
+ # a event exists with the header as name
+ daemon_log("INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
+ no strict 'refs';
+ $answer = &{$event_hash->{$header}."::$header"}($msg, $msg_hash);
+ }
+ else {
+ daemon_log("WARNING: no event '$header' found in event modules under $event_dir", 3);
+ }
+ }
+
+ ########
+ # answer
+ if( $answer ) {
+
+ #check gosa-si envelope validity
+ my $answer_hash = &check_outgoing_xml_validity($answer);
+
+ if( $answer_hash ) {
+ # answer is valid
+
+ # preprocessing
+ if( $answer =~ "<header>registered</header>") {
+ # set registered flag to true to stop sending further registered msgs
+ $REGISTERED = 1;
+ }
+ else {
+ $answer =~ /<header>(\S+)<\/header>/;
+ &send_msg_to_target($answer, $server_address, $server_key, $1);
+ }
+
+ # postprocessing
+ if( $answer =~ "<header>new_key</header>") {
+ # set new key to global variable
+ $answer =~ /<new_key>(\S*?)<\/new_key>/;
+ my $new_key = $1;
+ $server_key = $new_key;
+ }
+ }
+
+ }
+
+ return;
+}
+
+
+#==== MAIN = main ==============================================================
+# parse commandline options
+Getopt::Long::Configure( "bundling" );
+GetOptions("h|help" => \&usage,
+ "c|config=s" => \$cfg_file,
+ "f|foreground" => \$foreground,
+ "v|verbose+" => \$verbose,
+ );
+
+# read and set config parameters
+&check_cmdline_param ;
+&read_configfile($cfg_file, %cfg_defaults);
+&check_pid;
+
+
+# forward error messages to logfile
+if ( ! $foreground ) {
+ open( STDIN, '+>/dev/null' );
+ open( STDOUT, '+>&STDIN' );
+ open( STDERR, '+>&STDIN' );
+}
+
+# Just fork, if we are not in foreground mode
+if( ! $foreground ) {
+ chdir '/' or die "Can't chdir to /: $!";
+ $pid = fork;
+ setsid or die "Can't start a new session: $!";
+ umask 0;
+} else {
+ $pid = $$;
+}
+
+# Do something useful - put our PID into the pid_file
+if( 0 != $pid ) {
+ open( LOCK_FILE, ">$pid_file" );
+ print LOCK_FILE "$pid\n";
+ close( LOCK_FILE );
+ if( !$foreground ) {
+ exit( 0 )
+ };
+}
+
+# parse head url and revision from svn
+my $client_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
+$client_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
+$client_headURL = defined $1 ? $1 : 'unknown' ;
+$client_revision = defined $2 ? $2 : 'unknown' ;
+if ($client_headURL =~ /\/tag\// ||
+ $client_headURL =~ /\/branches\// ) {
+ $client_status = "stable";
+} else {
+ $client_status = "developmental" ;
+}
+
+# Prepare log file
+my $root_uid = getpwnam('root');
+my $adm_gid = getgrnam('adm');
+chmod(0640, $log_file);
+chown($root_uid, $adm_gid, $log_file);
+
+
+daemon_log(" ", 1);
+daemon_log("$prg started!", 1);
+daemon_log("INFO: status: $client_status", 1);
+daemon_log("INFO: ".$client_status_hash->{$client_status}.": $client_revision", 1);
+
+# delete old DBsqlite lock files
+system('rm -f /tmp/gosa_si_lock*gosa-si-client*');
+
+# detect ip and mac address and complete host address
+$client_address = $client_ip.":".$client_port;
+my $network_interface= &get_interface_for_ip($client_ip);
+$client_mac_address= &get_mac($network_interface);
+daemon_log("INFO: ip address detected: $client_ip", 1);
+daemon_log("INFO: gosa-si-client mac address detected: $client_mac_address", 1);
+
+
+# import events
+my ($error, $result, $tmp_hash) = &import_events($event_dir);
+while (my ($module, $mod_event_hash) = each %$tmp_hash) {
+ while (my ($event_name, $nothing) = each %$mod_event_hash) {
+ $event_hash->{$event_name} = $module;
+ }
+}
+
+foreach my $log_line (@$result) {
+ if ($log_line =~ / succeed: /) {
+ &main::daemon_log("0 DEBUG: $log_line", 7);
+ } else {
+ &main::daemon_log("0 ERROR: $log_line", 1);
+ }
+}
+
+
+# compute hardware checksum
+$gotoHardwareChecksum= &generate_hw_digest();
+daemon_log("INFO: gotoHardwareChecksum detected: $gotoHardwareChecksum", 1);
+
+
+# create socket for incoming xml messages
+POE::Component::Server::TCP->new(
+ Alias => 'gosa-si-client',
+ Port => $client_port,
+ ClientInput => \&server_input,
+);
+daemon_log("INFO: start socket for incoming xml messages at port '$client_port' ", 1);
+
+
+# prepare variables
+if( inet_aton($server_ip) ){ $server_ip = inet_ntoa(inet_aton($server_ip)); }
+if (defined $server_ip && defined $server_port) {
+ $server_address = $server_ip.":".$server_port;
+}
+$xml = new XML::Simple();
+$default_server_key = $server_key;
+
+
+# add gosa-si-server address from config file at first position of server list
+my $server_check_cfg = Config::IniFiles->new( -file => $cfg_file );
+my $server_check = (defined($server_check_cfg))?$server_check_cfg->val( "server", "ip"):undef;
+if( defined $server_check ) {
+ unshift(@servers, $server_address);
+ my $servers_string = join(", ", @servers);
+ daemon_log("INFO: found servers in configuration file: $servers_string", 1);
+} else {
+ my @tmp_servers;
+ if ( !$server_domain) {
+ # Try our DNS Searchlist
+ my @domain_list = &get_dns_domains();
+ my $tmp_domains;
+ my $error_string;
+ for my $domain (@domain_list) {
+ chomp($domain);
+ ($tmp_domains, $error_string) = &get_server_addresses($domain);
+ if(@$tmp_domains) {
+ for my $tmp_server(@$tmp_domains) {
+ push @tmp_servers, $tmp_server;
+ }
+ }
+ }
+ if (0 == @tmp_servers) {
+ my $log_string = "no gosa-si-server found!";
+ $log_string .= "\n\tdetermined domains out of /etc/resolv.conf: ".join(", ", @domain_list);
+ $log_string .= "\n\tdetermined server addresses in domains: ".join(", ",@$tmp_domains);
+ daemon_log("ERROR: $log_string", 1);
+ daemon_log("ERROR: $error_string", 1);
+ daemon_log("ERROR: please specify a gosa-si-server address or a domain in config file", 1);
+ kill 2, $$;
+ }
+ } else {
+ @tmp_servers = &get_server_addresses($server_domain);
+ if( 0 == @tmp_servers ) {
+ daemon_log("ERROR: no gosa-si-server found in DNS for domain '$server_domain'",1);
+ daemon_log("ERROR: please specify a gosa-si-server address or a domain in config file", 1);
+ kill 2, $$;
+ }
+ }
+
+ foreach my $server (@tmp_servers) {
+ unshift(@servers, $server);
+ }
+ my $servers_string = join(", ", @servers);
+ daemon_log("INFO: found servers in DNS: $servers_string", 1);
+}
+
+
+# open fifo for non-gosa-si-client-msgs to gosa-si-server
+POSIX::mkfifo("$gosa_si_client_fifo", "0600");
+
+
+POE::Session->create(
+ inline_states => {
+ _start => \&_start,
+ _default => \&_default,
+ sig_handler => \&sig_handler,
+ register_at_gosa_si_server => \®ister_at_gosa_si_server,
+
+ # trigger periodical tasks
+ trigger_new_key => \&trigger_new_key,
+ trigger_logged_in_users_report => \&trigger_logged_in_users_report,
+ trigger_seen_messages => \&trigger_seen_messages,
+
+ # handle records from each defined file differently
+ fifo_record => \&fifo_got_record,
+
+ # handle file resets and errors the same way for each file
+ file_reset => \&generic_file_reset,
+ file_error => \&generic_file_error,
+ }
+);
+
+POE::Kernel->run();
+exit;
+